gold/ChangeLog

   1 2013-11-17  H.J. Lu  <hongjiu.lu@intel.com>
   2
   3         * x86_64.cc (Target_x86_64<size>::Scan::get_reference_flags):
   4         Handle R_X86_64_PC32_BND and R_X86_64_PLT32_BND just like
   5         R_X86_64_PC32 and R_X86_64_PLT32, respectively.
   6         (Target_x86_64<size>::Scan::local): Likewise.
   7         (Target_x86_64<size>::Scan::global): Likewise.
   8         (Target_x86_64<size>::Relocate::relocate): Likewise.
   9         (Target_x86_64<size>::Relocatable_size_for_reloc::get_size_for_reloc):
  10         Likewise.
  11         (Target_x86_64<size>::Scan::check_non_pic(): Handle
  12         R_X86_64_PC32_BND.
  13
  14         * testsuite/Makefile.am (check_PROGRAMS): Add
  15         exception_x86_64_bnd_test.
  16         (exception_x86_64_bnd_test_SOURCES): New macro.
  17         (exception_x86_64_bnd_test_DEPENDENCIES): Likewise.
  18         (exception_x86_64_bnd_test_LDFLAGS): Likewise.
  19         (exception_x86_64_bnd_test_LDADD): Likewise.
  20         (exception_x86_64_bnd_1.o): New rule.
  21         (exception_x86_64_bnd_2.o): Likewise.
  22         * testsuite/Makefile.in: Regenerated.
  23
  24 2013-11-15  Alan Modra  <amodra@gmail.com>
  25
  26         * powerpc.cc (Target_powerpc::glink_section): Provide non-const
  27         accessor.
  28         (Target_powerpc::Branch_info::make_stub): Make global entry stubs.
  29         Only call ppc64_local_entry_offset for 64-bit.  Restrict
  30         symval_for_branch lookup to ELFv1.
  31         (Stub_table::add_plt_call_entry): Use unsigned int off.
  32         (Output_data_glink::Address, invalid_address): New.
  33         (Output_data_glink::add_eh_frame): Move out of line.  Add
  34         support for ELFv2.
  35         (Output_data_glink::add_global_entry, find_global_entry,
  36         global_entry_address): New functions.
  37         (Output_data_glink::global_entry_stubs_, end_branch_table_,
  38         ge_size): New variables.
  39         (Output_data_glink::set_final_data_size): Add global entry
  40         stub sizing.
  41         (Output_data_glink::do_write): Write global entry stubs.
  42         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Add target
  43         parameter.  Return true for ELFv2.  Adjust callers.
  44         (Target_powerpc::Scan::local, global): Restrict opd lookup to
  45         ELFv1.  Similarly for ifunc and dynamic relocation processing
  46         specific to ELFv1.  Recognize that symbols are defined on
  47         their plt entries for ELFv2.
  48         (Target_powerpc::symval_for_branch): Assert if called for
  49         ELFv2 or ppc32.
  50         (Target_powerpc::Relocate::relocate): Use global entry plt
  51         stub for symbol value if such exists on ELFv2.
  52         (Target_powerpc::Relocate::relocate): Don't call
  53         symval_for_branch when ELFv2.  Do adjust for local entry
  54         offset when ELFv2.
  55         (Target_powerpc::do_dynsym_value): Set symbols to global entry
  56         plt stub for ELFv2.
  57         (Target_powerpc::do_plt_address_for_global): Similarly.
  58
  59 2013-11-14  Cary Coutant  <ccoutant@google.com>
  60
  61         Revert patch -- this did not fix the problem, and there is
  62         no race there.
  63
  64         2013-11-14  Cary Coutant  <ccoutant@google.com>
  65
  66             PR gold/14860
  67             * ehframe.cc (Eh_frame_hdr::Eh_frame_hdr): Initialize lock_.
  68             (Ehframe_hdr::set_final_data_size): Allocate a Lock.
  69             * ehframe.h (Eh_frame_hdr::record_fde): Hold the lock while
  70             updating fde_offsets_.
  71             (Eh_frame_hdr::lock_): New data member.
  72
  73 2013-11-14  Cary Coutant  <ccoutant@google.com>
  74
  75         * dwp.cc (Dwo_file_entry): New type.
  76         (File_list): Use Dwo_file_entry.
  77         (Dwo_file::verify): New function.
  78         (Dwo_file::verify_dwo_list): New function.
  79         (Dwo_file::sized_verify_dwo_list): New function.
  80         (Dwo_name_info_reader::visit_compilation_unit): Add dwo_id to file
  81         list.
  82         (Dwp_options): New enum type.
  83         (dwp_options): Add --verify-only.
  84         (usage): Likewise.
  85         (main): Likewise.
  86         * dwp.h (gold_info): Add declaration.
  87
  88 2013-11-14  Cary Coutant  <ccoutant@google.com>
  89
  90         PR gold/14860
  91         * ehframe.cc (Eh_frame_hdr::Eh_frame_hdr): Initialize lock_.
  92         (Ehframe_hdr::set_final_data_size): Allocate a Lock.
  93         * ehframe.h (Eh_frame_hdr::record_fde): Hold the lock while
  94         updating fde_offsets_.
  95         (Eh_frame_hdr::lock_): New data member.
  96
  97 2013-11-06  Cary Coutant  <ccoutant@google.com>
  98
  99         PR gold/15758
 100         * object.cc (Sized_relobj_file::do_layout): Handle .eh_frame sections
 101         before reloc sections.
 102
 103 2013-11-04  Alan Modra  <amodra@gmail.com>
 104
 105         * symtab.h (Symbol::Reference_flags): Add FUNC_DESC_ABI.
 106         (Symbol::needs_dynamic_reloc): Test new flag.
 107         * powerpc.cc (needs_dynamic_reloc, use_plt_offset): Delete.
 108         (Target_powerpc::Scan::get_reference_flags): Add target param.
 109         Return FUNC_DESC_ABI for 64-bit ELFv1.
 110         (Target_powerpc::Branch_info::make_stub): Adjust get_reference_flags
 111         call.
 112         (Target_powerpc::Scan::global): Use Symbol::needs_dynamic_reloc.
 113         (Target_powerpc::Relocate::relocate): Use Symbol::use_plt_offset.
 114
 115 2013-10-31  Cary Coutant  <ccoutant@google.com>
 116
 117         Restore support for dwp v2 DWARF package file format.
 118
 119         * dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
 120         tu_length parameter.  Adjust all callers.
 121         * dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
 122         * dwp.cc: Include dwarf.h.
 123         (Section_bounds): New struct type.
 124         (Unit_set): New struct type.
 125         (Dwo_file::Dwo_file): Initialize new data member.
 126         (Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
 127         Combine and rename to...
 128         (Dwo_file::read_unit_index): ...this.
 129         (Dwo_file::sized_read_compunit_index)
 130         (Dwo_file::sized_read_typeunit_index): Combine and rename to...
 131         (Dwo_file::sized_read_unit_index): ...this.
 132         (Dwo_file::copy_section): Remove section_name, is_str_offsets
 133         parameters; add section_id parameter.
 134         (Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
 135         (Dwo_file::add_unit_set): ...this.
 136         (Dwo_file::shndx_map_): Remove.
 137         (Dwo_file::sect_offsets_): New data member.
 138         (Dwp_output_file::Dwp_output_file): Initialize new data members.
 139         (Dwp_output_file::add_section): Rename to...
 140         (Dwp_output_file::add_contribution): ...this.
 141         (Dwp_output_file::add_cu_set): Combine parameters into a struct.
 142         (Dwp_output_file::add_tu_set): Likewise.
 143         (Dwp_output_file::Contribution): New type.
 144         (Dwp_output_file::Section::contributions): New data member.
 145         (Dwp_output_file::Cu_or_tu_set): Remove.
 146         (Dwp_output_file::Section::Section): New ctor.
 147         (Dwp_output_file::Dwp_index::Shndx_pool): Remove.
 148         (Dwp_output_file::Dwp_index::Section_table): New type.
 149         (Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
 150         (Dwp_output_file::Dwp_index::enter_set): Change type of "set"
 151         parameter.
 152         (Dwp_output_file::Dwp_index::shndx_pool): Remove.
 153         (Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
 154         (Dwp_output_file::Dwp_index::section_table): New member function.
 155         (Dwp_output_file::Dwp_index::section_table_end): New member function.
 156         (Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
 157         (Dwp_output_file::Dwp_index::section_table_rows): New member function.
 158         (Dwp_output_file::Dwp_index::section_table_cols): New member function.
 159         (Dwp_output_file::Dwp_index::shndx_pool_): Remove.
 160         (Dwp_output_file::Dwp_index::section_table_): New data member.
 161         (Dwp_output_file::Dwp_index::section_mask_): New data member.
 162         (Dwp_output_file::add_output_section): New member function.
 163         (Dwp_output_file::write_new_section): New member function.
 164         (Dwp_output_file::write_contributions): New member function.
 165         (Dwp_output_file::section_id_map_): New data member.
 166         (class Dwo_id_info_reader): Remove.
 167         (class Unit_reader): New class.
 168         (get_dwarf_section_name): New function.
 169         (Dwo_file::read_executable): Adjust initializations of class data.
 170         (Dwo_file::read): Add support for v2 package file format.
 171         (Dwo_file::read_unit_index): Likewise.
 172         (Dwo_file::sized_read_unit_index): Likewise.
 173         (Dwo_file::copy_section): Likewise.
 174         (Dwo_file::add_unit_set): Likewise.
 175         (Dwp_output_file::add_output_section): Likewise.
 176         (Dwp_output_file::add_contribution): Likewise.
 177         (Dwp_output_file::Dwp_index::find_or_add): Use row index to check
 178         for empty slot.
 179         (Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
 180         file format.
 181         (Dwp_output_file::Dwp_index::grow): Use row index to check for empty
 182         slot.
 183         (Dwp_output_file::initialize): Remove unused function.
 184         (Dwp_output_file::finalize): Add support for v2 package file format.
 185         (Dwp_output_file::write_index): Likewise.
 186         * gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
 187         function prototype.
 188
 189 2013-10-31  Cary Coutant  <ccoutant@google.com>
 190
 191         * configure.ac: Fix check for -fmerge-constants.
 192         * configure.ac: Regenerate.
 193
 194 2013-10-30  Roland McGrath  <mcgrathr@google.com>
 195
 196         * x86_64.cc (Output_data_plt_x86_64_nacl::first_plt_entry):
 197         Correct 9-byte nop sequence to match what the assembler generates.
 198
 199 2013-10-30  Alan Modra  <amodra@gmail.com>
 200
 201         * powerpc.cc (Powerpc_relobj::abiversion, set_abiversion,
 202         ppc64_local_entry_offset, ppc64_local_entry_offset,
 203         do_read_symbols): New functions.
 204         (Powerpc_relobj::e_flags_, st_other_): New vars.
 205         (Powerpc_relobj::Powerpc_relobj): Call set_abiversion.
 206         (Powerpc_dynobj::abiversion, set_abiversion): New functions.
 207         (Powerpc_relobj::e_flags_): New var.
 208         (Target_powerpc::first_plt_entry_offset, plt_entry_size): Inline
 209         and adjust for ELFv2.
 210         (Target_powerpc::abiversion, set_abiversion, stk_toc): New functions.
 211         (Powerpc_relobj::do_find_special_sections): Check no .opd in ELFv2.
 212         (Powerpc_dynobj::do_find_special_sections): Likewise.
 213         (Target_powerpc::do_define_standard_symbols): Define ".TOC.".
 214         (Target_powerpc::Branch_info::make_stub): Adjust stub destination
 215         to ELFv2 local entry.
 216         (Target_powerpc::do_relax): No thread safe barriers needed for
 217         ELFv2.
 218         (Output_data_plt_powerpc::initial_plt_entry_size_,
 219         plt_entry_size): Delete.  Replace all uses with
 220         first_plt_entry_offset() and plt_entry_size().
 221         (Output_data_plt_powerpc::Output_data_plt_powerpc): Remove
 222         reserved_size parm.  Update callers.
 223         (Output_data_plt_powerpc::entry_count): Update.
 224         (Output_data_plt_powerpc::first_plt_entry_offset): Make private
 225         and use Target_powerpc::first_plt_entry_offset().
 226         (Output_data_plt_powerpc::get_plt_entry_size): Similarly and
 227         rename to plt_entry_size.
 228         (Output_data_plt_powerpc::add_ifunc_entry,
 229         add_local_ifunc_entry): Adjust reloc for ELFv2.
 230         (glink_eh_frame_fde_64): Rename to glink_eh_frame_fde_64v1.
 231         (glink_eh_frame_fde_64v2): New.
 232         (Stub_table::plt_call_size): Support ELFv2 sizing.
 233         (Output_data_glink::add_eh_frame): Use the new FDE.
 234         (Output_data_glink::set_final_data_size): Adjust for ELFv2 glink.
 235         (Stub_table::do_write): Write ELFv2 stubs and glink.
 236         (Target_powerpc::Relocate::relocate): Replaces nop after call
 237         with ld 2,24(1) and adjust local offset destination for ELFv2.
 238
 239 2013-10-30  Alan Modra  <amodra@gmail.com>
 240
 241         * powerpc.cc (Target_powerpc::Scan::check_non_pic): Handle new relocs.
 242         (Target_powerpc::Scan::global, local): Likewise.
 243         (Target_powerpc::Relocate::relocate): Likewise.  Check for overflow
 244         on all ppc64 @h and @ha relocs.
 245
 246 2013-10-14  Alan Modra  <amodra@gmail.com>
 247
 248         * output.h (Output_data_got::add_constant): Tidy.
 249         (Output_data_got::add_constant_pair): New function.
 250         * powerpc.cc (Output_data_got_powerpc): Override all Output_data_got
 251         methods used so as to first call reserve_ent().
 252
 253 2013-10-11  Roland McGrath  <mcgrathr@google.com>
 254
 255         * powerpc.cc (Output_data_got_powerpc): Remove unused methods
 256         add_got_entry and add_got_entry_pair.
 257
 258         * configure.ac (TLS_GNU2_DIALECT): Use -Werror in test.
 259         (HAVE_PUBNAMES): Likewise.
 260         * configure: Regenerate.
 261
 262         * testsuite/Makefile.am: Replace '-T foo' with '-Wl,-T,foo' throughout.
 263         * testsuite/Makefile.in: Regenerate.
 264
 265         * target.h (Target::adjust_elf_header, Target::do_adjust_elf_header):
 266         Remove const from declaration.
 267         * target.cc (Sized_target::do_adjust_elf_header): Update definition.
 268         * sparc.cc (Target_sparc::do_adjust_elf_header): Likewise.
 269         * output.h (Output_file_header): Remove const from member target_
 270         and corresponding constructor argument.
 271         * output.cc (Output_file_header::Output_file_header): Update prototype.
 272         (Output_file_header::do_sized_write): Use this->target_ in place
 273         of parameters()->target().
 274
 275         * testsuite/undef_symbol.cc (Foo::get_a): New method.
 276
 277         * configure.ac (MERGE_CONSTANTS_FLAG): New check.
 278         * configure: Regenerate.
 279         * Makefile.in: Regenerate.
 280         * testsuite/merge_string_literals_1.c: Renamed to have .cc suffix.
 281         * testsuite/merge_string_literals_2.c: Likewise.
 282         * testsuite/Makefile.am
 283         (merge_string_literals_1.o, merge_string_literals_2.o): Update deps.
 284         (AM_CFLAGS, AM_CXXFLAGS): Use $(MERGE_CONSTANTS_FLAG) in place of
 285         literal -fmerge-constants.
 286         * testsuite/Makefile.in: Regenerate.
 287
 288         * i386.cc (Target_i386): Remove unused member dynbss_.
 289         * arm.cc (Target_arm): Likewise.
 290         * powerpc.cc (Target_powerpc): Likewise.
 291         * sparc.cc (Target_sparc): Likewise.
 292         * tilegx.cc (Target_tilegx): Likewise.
 293         * x86_64.cc (Target_x86_64): Likewise.
 294         * dwarf_reader.h (Dwarf_info_reader): Remove unused members
 295         type_signature_, type_offset_.
 296         * plugin.h (Plugin_hook): Remove unused member layout_.
 297         * readsyms.h (Add_symbols): Remove unused members dirpath_, dirindex_,
 298         mapfile_.
 299         (Read_member): Remove unused members input_objects_, symtab_,
 300         mapfile_, layout_.
 301         (Check_library): Remove unused member symtab_.
 302         * archive.h (Lib_group): Remove unused member lib_.
 303         * archive.cc (Lib_group::Lib_group): Update initializer.
 304         * incremental.h (Incremental_binary): Remove unused member target_.
 305         (Incremental_script_entry): Removed unused member script_.
 306         * layout.h (Write_symbols_task): Remove unused member input_objects_.
 307         * icf.h (Icf): Remove unused member num_tracked_relocs.
 308
 309         * gold-threads.h (Once): Conditionalize member was_run_lock_ on
 310         [ENABLE_THREADS && __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4], matching
 311         its only use.
 312         * gold-threads.cc (Once::Once): Likewise conditionalize initializer.
 313
 314         * archive.h: Use struct rather than class for forward declaration
 315         of Read_symbols_data.
 316
 317 2013-10-07  Cary Coutant  <ccoutant@google.com>
 318
 319         PR gold/16010
 320         * testsuite/Makefile.am (icf_test): Fix dependencies.
 321         (icf_safe_test): Likewise.
 322         (icf_safe_so_test): Likewise.
 323         (large_symbol_alignment): Add empty _LDADD rule.
 324         * testsuite/Makefile.in: Regenerate.
 325
 326 2013-09-03  Pavel Chupin  <pavel.v.chupin@intel.com>
 327
 328         PR gold/15927
 329         * x86_64.cc (Target_x86_64<size>::Scan::global): Use relative
 330         relocation for R_X86_64_32 on x32.
 331
 332 2013-08-27  Roland McGrath  <mcgrathr@google.com>
 333
 334         * output.cc (Output_segment::set_section_addresses): Take new
 335         Target* argument.  If target->isolate_execinstr() and the segment
 336         is executable and starts at a target->abi_pagesize() boundary,
 337         pad its end out to a target->abi_pagesize() boundary with code fill.
 338         * output.h (Output_segment::set_section_addresses): Update decl.
 339         * layout.h (Layout::check_output_data_for_reset_values): Take new
 340         argument RELAX_OUTPUTS.
 341         (Layout): New member relax_output_list_.
 342         (Layout::add_relax_output): New method.
 343         * layout.cc (Layout::Layout): Update constructor.
 344         (Layout::reset_relax_output): New method.
 345         (Layout::clean_up_after_relaxation): Call it.
 346         (Layout::prepare_for_relaxation): Update caller.
 347         (Layout::set_segment_offsets): Update callers of set_section_addresses.
 348         Call reset_relax_output before re-processing segments for
 349         isolate_execinstr case.
 350         (Layout::write_data): Handle relax_output_list_.
 351         (Layout::Relaxation_debug_check::check_output_data_for_reset_values):
 352         Take new argument RELAX_OUTPUTS.  Assert it's an empty collection.
 353
 354 2013-08-23  Yuri Chornoivan  <yurchor@ukr.net>
 355
 356         PR binutils/15834
 357         * object.h: Fix typos.
 358
 359 2013-08-16  Roland McGrath  <mcgrathr@google.com>
 360
 361         * i386.cc (Target_i386_nacl::do_code_fill): New virtual function.
 362         * x86_64.cc (Target_x86_64_nacl::do_code_fill): New virtual function.
 363
 364 2013-08-07  Cary Coutant  <ccoutant@google.com>
 365
 366         Revert support for v2 DWP files:
 367
 368         2013-03-01  Cary Coutant  <ccoutant@google.com>
 369
 370             Add dwp support for v2 DWARF package file format.
 371             * dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
 372             tu_length parameter.  Adjust all callers.
 373             * dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
 374             * dwp.cc: Include dwarf.h.
 375             (Section_bounds): New struct type.
 376             (Unit_set): New struct type.
 377             (Dwo_file::Dwo_file): Initialize new data member.
 378             (Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
 379             Combine and rename to...
 380             (Dwo_file::read_unit_index): ...this.
 381             (Dwo_file::sized_read_compunit_index)
 382             (Dwo_file::sized_read_typeunit_index): Combine and rename to...
 383             (Dwo_file::sized_read_unit_index): ...this.
 384             (Dwo_file::copy_section): Remove section_name, is_str_offsets
 385             parameters; add section_id parameter.
 386             (Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
 387             (Dwo_file::add_unit_set): ...this.
 388             (Dwo_file::shndx_map_): Remove.
 389             (Dwo_file::sect_offsets_): New data member.
 390             (Dwp_output_file::Dwp_output_file): Initialize new data members.
 391             (Dwp_output_file::add_section): Rename to...
 392             (Dwp_output_file::add_contribution): ...this.
 393             (Dwp_output_file::add_cu_set): Combine parameters into a struct.
 394             (Dwp_output_file::add_tu_set): Likewise.
 395             (Dwp_output_file::Contribution): New type.
 396             (Dwp_output_file::Section::contributions): New data member.
 397             (Dwp_output_file::Cu_or_tu_set): Remove.
 398             (Dwp_output_file::Section::Section): New ctor.
 399             (Dwp_output_file::Dwp_index::Shndx_pool): Remove.
 400             (Dwp_output_file::Dwp_index::Section_table): New type.
 401             (Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
 402             (Dwp_output_file::Dwp_index::enter_set): Change type of "set"
 403             parameter.
 404             (Dwp_output_file::Dwp_index::shndx_pool): Remove.
 405             (Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
 406             (Dwp_output_file::Dwp_index::section_table): New member function.
 407             (Dwp_output_file::Dwp_index::section_table_end): New member function.
 408             (Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
 409             (Dwp_output_file::Dwp_index::section_table_rows): New member function.
 410             (Dwp_output_file::Dwp_index::section_table_cols): New member function.
 411             (Dwp_output_file::Dwp_index::shndx_pool_): Remove.
 412             (Dwp_output_file::Dwp_index::section_table_): New data member.
 413             (Dwp_output_file::Dwp_index::section_mask_): New data member.
 414             (Dwp_output_file::add_output_section): New member function.
 415             (Dwp_output_file::write_new_section): New member function.
 416             (Dwp_output_file::write_contributions): New member function.
 417             (Dwp_output_file::section_id_map_): New data member.
 418             (class Dwo_id_info_reader): Remove.
 419             (class Unit_reader): New class.
 420             (get_dwarf_section_name): New function.
 421             (Dwo_file::read_executable): Adjust initializations of class data.
 422             (Dwo_file::read): Add support for v2 package file format.
 423             (Dwo_file::read_unit_index): Likewise.
 424             (Dwo_file::sized_read_unit_index): Likewise.
 425             (Dwo_file::copy_section): Likewise.
 426             (Dwo_file::add_unit_set): Likewise.
 427             (Dwp_output_file::add_output_section): Likewise.
 428             (Dwp_output_file::add_contribution): Likewise.
 429             (Dwp_output_file::Dwp_index::find_or_add): Use row index to check
 430             for empty slot.
 431             (Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
 432             file format.
 433             (Dwp_output_file::Dwp_index::grow): Use row index to check for empty
 434             slot.
 435             (Dwp_output_file::initialize): Remove unused function.
 436             (Dwp_output_file::finalize): Add support for v2 package file format.
 437             (Dwp_output_file::write_index): Likewise.
 438             * gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
 439             function prototype.
 440
 441 2013-07-31  Cary Coutant  <ccoutant@google.com>
 442
 443         * object.cc (Sized_relobj::do_output_section_address): New function.
 444         (Sized_relobj): Instantiate explicitly.
 445         * object.h (Object::output_section_address): New function.
 446         (Object::do_output_section_address): New function.
 447         (Sized_relobj::do_output_section_address): New function.
 448         * powerpc.cc (Target_powerpc::symval_for_branch): Use it.
 449
 450 2013-07-30  Cary Coutant  <ccoutant@google.com>
 451             Sasa Stankovic  <Sasa.Stankovic@imgtec.com>
 452
 453         * parameters.cc (Parameters::entry): Return target-specific entry
 454         symbol name.
 455         * target.h (Target::entry_symbol_name): New function.
 456         (Target_info::entry_symbol_name): New data member.
 457
 458         * arm.cc (Target_arm::arm_info): Add entry_symbol_name.
 459         * i386.cc (Target_i386::i386_info): Likewise.
 460         (Target_i386_nacl::i386_nacl_info): Likewise.
 461         * sparc.cc (Target_sparc::sparc_info): Likewise.
 462         * tilegx.cc (Target_tilegx::tilegx_info): Likewise.
 463         * x86_64.cc: (Target_x86_64::x86_64_info) Likewise.
 464         (Target_x86_64_nacl::x86_64_nacl_info) Likewise.
 465         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
 466
 467 2013-07-22  Sterling Augustine  <saugustine@google.com>
 468
 469         * dwarf_reader.cc (Dwarf_pubnames_table::read_section):
 470         Convert parameter shndx to local variable. Add parameters symtab
 471         and symtab_size.  Scan over section names.  Find relocation
 472         section corresponding to current section.  Create and initialize
 473         reloc_mapper_ and reloc_type_.
 474         (Dwarf_pubnames_table::read_header):  Add assertion.  Change
 475         unit_length to off_t.  Initialize member unit_length_.  Fill in field
 476         cu_offset_.
 477         * dwarf_reader.h (Dwarf_pubnames_table::Dwarf_pubnames_table):
 478         Initialize new fields unit_length_ and cu_offset_.
 479         (Dwarf_pubnames_table::read_section): Update prototype.
 480         (Dwarf_pubnames_table::cu_offset): New member function.
 481         (Dwarf_pubnames_table::subsection_size): Likewise.
 482         (Dwarf_pubnames_table::cu_offset_, Dwarf_pubnames_table::unit_length):
 483         New fields.
 484         (Dwarf_info_reader::symtab, Dwarf_info_reader::symtab_size): Make
 485         member functions public.
 486         * gdb_index.cc (Gdb_index_info_reader::read_pubnames_and_pubtypes):
 487         Update comment.  Rework logic.  Move repeated parts to...
 488         (Gdb_index_info_reader::read_pubtable): ...here. New function.
 489         (Gdb_index::Gdb_index): Initialize new fields, pubnames_table_,
 490         pubtypes_table_, and stmt_list_offset.
 491         (Gdb_index::map_pubtable_to_dies, Gdb_index::find_pubname_offset,
 492         Gdb_index::find_pubtype_offset,
 493         Gdb_index::map_pubnames_and_types_to_dies): Define new functions.
 494         (Gdb_index::pubnames_read): Update prototype and rework logic.
 495         * gdb_index.h (Gdb_index_info_reader, Dwarf_pubnames_table):
 496         Forward declare.
 497         (Gdb_index::map_pubtable_to_dies, Gdb_index::find_pubname_offset,
 498         Gdb_index::find_pubtype_offset, Gdb_index::pubnames_table)
 499         Gdb_index::pubtypes_table, Gdb_index::map_pubnames_and_types_to_dies,
 500         Gdb_index::map_pubtable_to_dies):
 501         Declare functions.
 502         (Gdb_index::pubnames_read): Update declaration.
 503         (Gdb_index::Pubname_offset_map): New type.
 504         (Gdb_index::cu_pubname_map_, Gdb_index::cu_pubtype_map_,
 505         Gdb_index::pubnames_table_, Gdb_index::pubtypes_table_,
 506         Gdb_index::stmt_list_offset): Declare.
 507         (Gdb_index::pubnames_shndx_, Gdb_index::pubnames_offet_,
 508         Gdb_index::pubtypes_object_, Gdb_index::pubtypes_shndx_)
 509         Gdb_index::pubtypes_offset_): Remove.
 510
 511 2013-07-19  Roland McGrath  <mcgrathr@google.com>
 512
 513         * options.h (General_options): Add -Trodata-segment option.
 514         * parameters.cc (Parameters::check_rodata_segment): New function.
 515         (Parameters::set_target_once): Call it.
 516         * parameters.h (Parameters): Declare it (private member function).
 517         * layout.cc (load_seg_unusable_for_headers): New function, broken
 518         out of Layout::relaxation_loop_body.  If TARGET->isolate_execinstr()
 519         then validate rodata segment rather than text segment.
 520         (relaxation_loop_body): Call that.
 521         (is_text_segment): New function.  Don't admit a non-executable
 522         segment if TARGET->isolate_execinstr().
 523         (set_segment_offsets): Call it.  Honor -Trodata-segment option.
 524
 525 2013-07-15  Shawn Landden  <shawnlandden@gmail.com>
 526
 527         PR gold/15070
 528         * fileread.h (File_read::get_view): Clarify comment about ALIGNED.
 529         * nacl.h (Sniff_file::View::View): Request aligned view.
 530
 531 2013-07-11  Cary Coutant  <ccoutant@google.com>
 532
 533         * powerpc.cc (Target_powerpc::write_branch_lookup_table): Use
 534         correct BRLT entry size.
 535
 536 2013-07-03  Alan Modra  <amodra@gmail.com>
 537
 538         * powerpc.cc (Target_powerpc::Relocate::relocate): Update self-call
 539         comment.
 540
 541 2013-07-01  Cary Coutant  <ccoutant@google.com>
 542
 543         * dwarf_reader.cc (Dwarf_ranges_table::read_ranges_table): Save
 544         reloc_type_.
 545         (Dwarf_ranges_table::read_range_list): Call lookup_reloc.
 546         (Dwarf_ranges_table::lookup_reloc): New function.
 547         * dwarf_reader.h (Dwarf_ranges_table::Dwarf_ranges_table): Initialize
 548         reloc_type_.
 549         (Dwarf_ranges_table::lookup_reloc): New function.
 550         (Dwarf_ranges_table::reloc_type_): New data member.
 551
 552 2013-06-27  Jing Yu  <jingyu@google.com>
 553
 554         PR gold/15662
 555         * powerpc.cc (Output_data_brlt_powerpc::reset_brlt_sizes): New
 556         function.
 557         (Output_data_brlt_powerpc::finalize_brlt_sizes): New function.
 558         (Target_powerpc::do_relax): Call the above.
 559
 560 2013-06-27  Cary Coutant  <ccoutant@google.com>
 561
 562         * powerpc.cc (Target_powerpc::symval_for_branch): Don't assert
 563         on garbage collected .opd section.
 564
 565 2013-06-27  Alan Modra  <amodra@gmail.com>
 566
 567         * powerpc.cc (Target_powerpc::do_gc_add_reference): Test dst_shndx
 568         is non-zero.
 569         (Target_powerpc::do_gc_mark_symbols): Likewise for sym->shndx().
 570         (Target_powerpc::do_function_location): Likewise for loc->shndx.
 571
 572 2013-06-14  Cary Coutant  <ccoutant@google.com>
 573
 574         * resolve.cc (Symbol::override_base): Don't override st_type
 575         from plugin placeholder symbols.
 576         (Symbol_table::resolve): Likewise.
 577         (Symbol_table::should_override): Don't complain about TLS mismatch
 578         if the TO symbol is a plugin placeholder.
 579         * testsuite/Makefile.am (plugin_test_tls): New test.
 580         * testsuite/Makefile.in: Regenerate.
 581         * testsuite/plugin_test_tls.sh: New test script.
 582         * testsuite/two_file_test_2_tls.cc: New test source.
 583         * testsuite/two_file_test_tls.cc: New test source.
 584
 585 2013-06-05  Alexander Ivchenko  <alexander.ivchenko@intel.com>
 586
 587         * layout.cc (Layout::set_segment_offsets): Taking care of the case when
 588         the maximum segment alignment is larger than the page size.
 589         * testsuite/Makefile.am (large_symbol_alignment): Test that Gold
 590         correctly aligns the symbols with large alignemnt.
 591         * testsuite/Makefile.in: Regenerate.
 592         * testsuite/large_symbol_alignment.cc: New file.
 593
 594 2013-05-30  Alexander Ivchenko  <alexander.ivchenko@intel.com>
 595             Sriraman Tallam  <tmsriram@google.com>
 596
 597         * options.h (sort_section): New option.
 598         * output.h (Input_section_sort_section_prefix_special_ordering_compare):
 599         Rename from Input_section_sort_section_name_special_ordering_compare.
 600         (Input_section_sort_section_name_compare): New struct.
 601         * output.cc (Output_section::Input_section_sort_section_name_compare::
 602         operator()): New function.
 603         (Output_section::sort_attached_input_sections): Use new sort function
 604         for .text if --sort-section=name is specified.
 605         * layout.cc (Layout::make_output_section):
 606         Add sorting by name when --sort-section=name is specified.
 607         * testsuite/Makefile.am (text_section_grouping): Test option
 608         --sort-section=name.
 609         * testsuite/Makefile.in: Regenerate.
 610         * testsuite/section_sorting_name.cc: New file.
 611         * testsuite/section_sorting_name.sh: New file.
 612
 613 2013-05-21  Cary Coutant  <ccoutant@google.com>
 614
 615         * symtab.h (Symbol::is_cxx_vtable): New function.
 616         * target-reloc.h (relocate_section): Check for vtable symbol.
 617         * testsuite/Makefile.am (missing_key_func.sh): New test case.
 618         * testsuite/Makefile.in: Regenerate.
 619         * testsuite/missing_key_func.cc: New test source.
 620         * testsuite/missing_key_func.sh: New test script.
 621
 622 2013-05-21  Cary Coutant  <ccoutant@google.com>
 623
 624         * object.cc (Sized_relobj_file::get_symbol_location_info): Set
 625         type of enclosing symbol.
 626         (Relocate_info::location): Check symbol type when describing symbol.
 627         * object.h (Symbol_location_info): Remove unused line_number;
 628         add enclosing_symbol_type.
 629         * testsuite/debug_msg.sh: Adjust expected output.
 630
 631 2013-05-13  Cary Coutant  <ccoutant@google.com>
 632
 633         * configure.ac: Export DEFAULT_TARGET.
 634         * configure: Regenerate.
 635         * Makefile.in: Regenerate.
 636         * testsuite/Makefile.am: Add .EXPORT_ALL_VARIABLES.
 637         * testsuite/Makefile.in: Regenerate.
 638         * testsuite/debug_msg.sh: Delete duplicate tests.
 639         Don't check undef_int error message match for powerpc where the
 640         source file and line number aren't available.
 641
 642 2013-05-10  Roland McGrath  <mcgrathr@google.com>
 643
 644         * options.h (General_options): Add --rosegment-gap option.
 645         * options.cc (finalize): --rosegment-gap implies --rosegment.
 646         * layout.cc (set_segment_offsets): Let user option override
 647         target->rosegment_gap().
 648
 649 2013-05-10  Roland McGrath  <mcgrathr@google.com>
 650
 651         * options.h (General_options): Remove leading space from help
 652         messages for -nostdlib and --rosegment.
 653
 654 2013-05-03  Maciej W. Rozycki  <macro@codesourcery.com>
 655
 656         PR ld/15365
 657         * layout.cc (Layout::finalize): Make __ehdr_start STV_HIDDEN.
 658
 659 2013-05-03  Alan Modra  <amodra@gmail.com>
 660
 661         * merge.cc (Output_merge_string::do_add_input_section): Correct
 662         scan for number of strings.  Rename vars to avoid shadowing.
 663         Include missing terminator in input_size_.
 664
 665 2013-05-01  H.J. Lu  <hongjiu.lu@intel.com>
 666
 667         * merge.cc (Output_merge_string<Char_type>::do_add_input_section):
 668         Restore empty string handling.
 669
 670 2013-05-01  Cary Coutant  <ccoutant@google.com>
 671
 672         * stringpool.cc (Stringpool_template::new_key_offset): Fix
 673         uninitialized warning.
 674
 675 2013-04-29  Alexander Ivchenko  <alexander.ivchenko@intel.com>
 676
 677         * output.cc (Output_section::add_merge_input_section): Allow
 678         to merge sections if the alignment is more than character size.
 679         * merge.h (Output_merge_string::Output_merge_string): Remove
 680         assert.
 681         * merge.cc (Output_merge_string<Char_type>::do_add_input_section): Count
 682         only not-null strings. Check the alignment of strings.
 683         * stringpool.h
 684         (Stringpool_template<Stringpool_char>::Stringpool_template): Add
 685         alignment as the argument.
 686         (Stringpool_template<Stringpool_char>::addralign_): New class member.
 687         * stringpool.cc (Stringpool_template<Stringpool_char>::new_key_offset):
 688         Align non-zero length strings according to the addralign_.
 689         (Stringpool_template<Stringpool_char>::set_string_offsets):
 690         Updating offsets according to the given alignment.
 691         * testsuite/Makefile.am (text_section_grouping): Test if string
 692         literals are getting merged.
 693         * testsuite/Makefile.in: Regenerate.
 694         * testsuite/merge_string_literals_1.c: New file.
 695         * testsuite/merge_string_literals_2.c: Ditto.
 696         * testsuite/merge_string_literals.sh: Ditto.
 697
 698 2013-04-26  Ian Lance Taylor  <iant@google.com>
 699
 700         * target-reloc.h (relocate_section): If the reloc offset is out of
 701         range, pass VIEW as NULL to relocate.relocate.
 702         * arm.cc (Target_arm:Relocate::relocate): Check for a NULL view.
 703         * i386.cc (Target_i386::Relocate::relocate): Likewise.
 704         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
 705         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
 706         * tilegx.cc (Target_tilegx::Relocate::relocate): Likewise.
 707         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
 708
 709 2013-04-26  Geoff Pike  <gpike@chromium.org>
 710
 711         * gold.cc (queue_final_tasks): invoke layout->queue_build_id_tasks().
 712         * layout.cc (Hash_task): New class.
 713         (Layout::queue_build_id_tasks): New function.
 714         (Layout::write_build_id): Handle single-thread portion of build ID
 715         computation.  (In some cases, all of it is single-threaded.)  Replace
 716         {sha1,md5}_process_bytes with {sha1,md5}_buffer to get the same
 717         functionality in fewer lines of code.
 718         * layout.h (Layout::queue_build_id_tasks): New function declaration.
 719         * options.h (General_options): make "--build-id" default to tree
 720         rather than sha1.  Add two new options related to --build-id=tree:
 721         --build-id-chunk-size-for-treehash and
 722         --build-id-min-file-size-for-treehash.
 723         * Makefile.am: add testing of --build-id=tree and related new options
 724         (these tests will be invoked by "make check").
 725         * Makefile.in: Regenerate.
 726
 727 2013-04-25  Alan Modra  <amodra@gmail.com>
 728
 729         * configure.tgt: Add powerpcle and powerpc64le.
 730
 731 2013-04-22  Alan Modra  <amodra@gmail.com>
 732
 733         PR gold/15355
 734         * layout.cc (Layout::segment_precedes): Allow more than one
 735         segment with the same type and flags.
 736
 737 2013-04-15  Cary Coutant  <ccoutant@google.com>
 738
 739         * layout.cc (Layout::set_relocatable_section_offsets): Don't
 740         allocate space in file for BSS sections.
 741
 742 2013-04-15  Cary Coutant  <ccoutant@google.com>
 743
 744         * script-sections.cc (Orphan_output_section): Reset address
 745         to zero after each orphaned section for relocatable links.
 746
 747 2013-04-15  Cary Coutant  <ccoutant@google.com>
 748
 749         * symtab.cc (Symbol_table::sized_write_globals): Subtract
 750         section starting address for relocatable link.
 751         * testsuite/Makefile.am (script_test_11): New test.
 752         * testsuite/Makefile.in: Regenerate.
 753         * testsuite/script_test_11.c: New source file.
 754         * testsuite/script_test_11.t: New linker script.
 755
 756 2013-04-13  Alan Modra  <amodra@gmail.com>
 757
 758         * powerpc.cc (Stub_control::can_add_to_stub_group): Don't set
 759         owner when sections are not adjacent and exceed group size.
 760         (Target_powerpc::group_sections): Handle corner case.
 761         (Target_powerpc::Branch_info::make_stub): Handle case where
 762         stub table doesn't exist due to branches in non-exec sections.
 763         (Target_powerpc::Relocate::relocate): Likewise.
 764
 765 2013-04-11  Alan Modra  <amodra@gmail.com>
 766
 767         PR gold/15354
 768         * powerpc.cc (Target_powerpc::make_brlt_section): Name section
 769         .branch_lt to match bfd ld.  Adjust comments throughout file.
 770
 771 2013-04-04  Ian Lance Taylor  <iant@google.com>
 772
 773         GCC PR c++/56840
 774         * object.cc (do_layout_deferred_sections): Handle .eh_frame
 775         sections before checking whether they are included in the link.
 776
 777 2013-03-29  Sriraman Tallam  <tmsriram@google.com>
 778
 779         * archive.cc (Archive::get_elf_object_for_member):  Create the elf
 780         object before calling the plugin claim_file handler.  Pass the elf
 781         object of the archive to the plugin. Delete the elf object if the
 782         plugin claims the file.
 783
 784 2013-03-21  Alan Modra  <amodra@gmail.com>
 785
 786         * layout.cc (Layout::set_segment_offsets): Accept writable .text
 787         segment when omagic.
 788
 789 2013-03-21  Alan Modra  <amodra@gmail.com>
 790
 791         * dwp.cc (Dwp_output_file::add_contribution): Avoid signed/unsigned
 792         comparison warning.
 793         * layout.cc (Layout::create_dynamic_symtab): Avoid "may be used
 794         uninitialized" warning.
 795
 796 2013-03-20  Alan Modra  <amodra@gmail.com>
 797
 798         * symtab.h (Symbol::clear_version): New function.
 799         * symtab.cc (Symbol_table::set_dynsym_indexes): Don't set object
 800         is_needed by weak references.  Clear version for symbols defined
 801         in as-needed objects that are not needed.
 802
 803 2013-03-15  Alan Modra  <amodra@gmail.com>
 804
 805         * powerpc.cc (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Make
 806         static and public.  Add report_err param.  Return false for data refs.
 807         (Target_powerpc::rela_dyn_section): New overloaded function.
 808         (Target_powerpc::plt_, iplt_): Elucidate.
 809         (Output_data_plt_powerpc::entry_count): Handle current_data_size()==0.
 810         (Output_data_plt_powerpc::do_write): Don't write .iplt.
 811         (Output_data_plt_powerpc::plt_entry_count): Don't add .iplt entries.
 812         (Target_powerpc::Scan::local, global): Adjust reloc_needs_plt_for_ifunc
 813         calls.  Put ifunc dynamic relocs in irela_dyn_section.  Only
 814         push_branch and make_plt_entry for ifunc syms when
 815         reloc_needs_plt_for_ifunc.
 816         (Target_powerpc::Relocate::relocate): Don't use plt entry value
 817         for ifunc unless reloc_needs_plt_for_ifunc.
 818
 819 2013-03-15  Alan Modra  <amodra@gmail.com>
 820
 821         * gc.h (gc_process_relocs): Don't look through function descriptors.
 822         * icf.cc (get_section_contents): Do so here instead.
 823
 824 2013-03-13  Alan Modra  <amodra@gmail.com>
 825
 826         * powerpc.cc (is_branch_reloc): Forward declare.
 827         (Target_powerpc::do_can_check_for_function_pointers): New predicate.
 828         (Target_powerpc::Scan::local_reloc_may_be_function_pointer): Return
 829         false for 64-bit, true for 32-bit non-branch relocs.
 830         (Target_powerpc::Scan::global_reloc_may_be_function_pointer): Likewise.
 831         * testsuite/Makefile.am (icf_test): Use linker map file instead of
 832         nm output.
 833         (icf_safe_test): Generate linker map file as well as nm output.
 834         (icf_safe_so_test): Likewise.
 835         * testsuite/Makefile.in: Regenerate.
 836         * testsuite/icf_test.sh: Parse linker map file to determine
 837         section folding.
 838         * testsuite/icf_safe_test.sh: Likewise.  Expect folding for PowerPC.
 839         * testsuite/icf_safe_so_test.sh: Likewise.
 840         (X86_32_or_ARM_specific_safe_fold): Merge into..
 841         (arch_specific_safe_fold): ..this.
 842         (X86_64_specific_safe_fold): Delete unused function.
 843
 844 2013-03-12  Alan Modra  <amodra@gmail.com>
 845
 846         * gc.h (gc_process_relocs): Look through function descriptors
 847         to determine shndx, symvalue and addend used by ICF.  Tidy
 848         variable duplication.
 849
 850 2013-03-11  Alan Modra  <amodra@gmail.com>
 851
 852         * gold.cc (queue_middle_tasks): Move detect_odr_violations..
 853         * layout.cc (Layout_task_runner::run): ..to here.
 854         * symtab.h (struct Symbol_location): Extract from..
 855         (class Symbol_table): ..here.
 856         * symtab.cc (Symbol_table::linenos_from_loc): Invoke function_location.
 857         * target.h (class Target): Add function_location and
 858         do_function_location functions.
 859         (class Sized_target): Add do_function_location.
 860         * object.h (class Sized_relobj_file): Move find_shdr..
 861         (class Object): ..to here.
 862         * object.cc: Likewise.  Update to suit.  Instantiate.
 863         (Sized_relobj_file::find_eh_frame): Update find_shdr call.
 864         * powerpc.cc (class Powerpc_dynobj): New.
 865         (Target_powerpc::do_function_location): New function.
 866         (Powerpc_relobj::do_find_special_sections): Update find_shdr call.
 867         (Powerpc_dynobj::do_read_symbols): New function.
 868         (Target_powerpc::do_make_elf_object): Make a Powerpc_dynobj.
 869
 870 2013-03-08  Ian Lance Taylor  <iant@google.com>
 871
 872         * options.cc (General_options::string_to_object_format): Accept
 873         "default".
 874
 875 2013-03-08  Alan Modra  <amodra@gmail.com>
 876
 877         * ehframe.h (Post_fdes) Make it a vector of Post_fde rather than
 878         pointer to Post_fde.
 879         (struct Post_fde): Move definition to here..
 880         * ehframe.cc (struct Post_fde): ..from here.
 881         (Cie::write): Don't alloc Post_fde.
 882         (Eh_frame::do_sized_write): Update.  Don't free Post_fde.
 883
 884 2013-03-07  Alan Modra  <amodra@gmail.com>
 885
 886         * testsuite/discard_locals_relocatable_test.c: Add a powerpc
 887         relocation referencing .LC0.
 888         * testsuite/discard_locals_test.sh: Remove FIXMEs.
 889
 890 2013-03-07  Alan Modra  <amodra@gmail.com>
 891
 892         * testsuite/ifunc-sel.h (ifunc_sel, ifunc_one): Mark
 893         always_inline.  Add assembly for powerpc to avoid GOT.
 894
 895 2013-03-07  Alan Modra  <amodra@gmail.com>
 896
 897         * testsuite/script_test_10.sh: Don't test .bss section
 898         header number.
 899
 900 2013-03-06  Alan Modra  <amodra@gmail.com>
 901
 902         * powerpc.cc (class Powerpc_relobj): Move some member functions.
 903         (Target_powerpc::symval_for_branch):  Add symtab param.  Update
 904         all callers.  Handle folded sections.
 905         (Target_powerpc::do_gc_add_reference): Don't cast dynamic object
 906         to Powerpc_relobj.
 907         (Global_symbol_visitor_opd::operator()): Likewise.
 908
 909 2013-03-04  Alan Modra  <amodra@gmail.com>
 910
 911         * testsuite/Makefile.am (final_layout_script.lds): Add .sbss.
 912         * testsuite/Makefile.in: Regenerate.
 913
 914 2013-03-01  Cary Coutant  <ccoutant@google.com>
 915
 916         Add dwp support for v2 DWARF package file format.
 917         * dwarf_reader.cc (Dwarf_info_reader::visit_type_unit): Add
 918         tu_length parameter.  Adjust all callers.
 919         * dwarf_reader.h (Dwarf_info_reader::visit_type_unit): Likewise.
 920         * dwp.cc: Include dwarf.h.
 921         (Section_bounds): New struct type.
 922         (Unit_set): New struct type.
 923         (Dwo_file::Dwo_file): Initialize new data member.
 924         (Dwo_file::read_compunit_index, Dwo_file::read_typeunit_index):
 925         Combine and rename to...
 926         (Dwo_file::read_unit_index): ...this.
 927         (Dwo_file::sized_read_compunit_index)
 928         (Dwo_file::sized_read_typeunit_index): Combine and rename to...
 929         (Dwo_file::sized_read_unit_index): ...this.
 930         (Dwo_file::copy_section): Remove section_name, is_str_offsets
 931         parameters; add section_id parameter.
 932         (Dwo_file::add_cu_set, Dwo_file::add_tu_set): Combine and rename to...
 933         (Dwo_file::add_unit_set): ...this.
 934         (Dwo_file::shndx_map_): Remove.
 935         (Dwo_file::sect_offsets_): New data member.
 936         (Dwp_output_file::Dwp_output_file): Initialize new data members.
 937         (Dwp_output_file::add_section): Rename to...
 938         (Dwp_output_file::add_contribution): ...this.
 939         (Dwp_output_file::add_cu_set): Combine parameters into a struct.
 940         (Dwp_output_file::add_tu_set): Likewise.
 941         (Dwp_output_file::Contribution): New type.
 942         (Dwp_output_file::Section::contributions): New data member.
 943         (Dwp_output_file::Cu_or_tu_set): Remove.
 944         (Dwp_output_file::Section::Section): New ctor.
 945         (Dwp_output_file::Dwp_index::Shndx_pool): Remove.
 946         (Dwp_output_file::Dwp_index::Section_table): New type.
 947         (Dwp_output_file::Dwp_index::Dwp_index): Initialize new data members.
 948         (Dwp_output_file::Dwp_index::enter_set): Change type of "set"
 949         parameter.
 950         (Dwp_output_file::Dwp_index::shndx_pool): Remove.
 951         (Dwp_output_file::Dwp_index::shndx_pool_end): Remove.
 952         (Dwp_output_file::Dwp_index::section_table): New member function.
 953         (Dwp_output_file::Dwp_index::section_table_end): New member function.
 954         (Dwp_output_file::Dwp_index::shndx_pool_size): Remove.
 955         (Dwp_output_file::Dwp_index::section_table_rows): New member function.
 956         (Dwp_output_file::Dwp_index::section_table_cols): New member function.
 957         (Dwp_output_file::Dwp_index::shndx_pool_): Remove.
 958         (Dwp_output_file::Dwp_index::section_table_): New data member.
 959         (Dwp_output_file::Dwp_index::section_mask_): New data member.
 960         (Dwp_output_file::add_output_section): New member function.
 961         (Dwp_output_file::write_new_section): New member function.
 962         (Dwp_output_file::write_contributions): New member function.
 963         (Dwp_output_file::section_id_map_): New data member.
 964         (class Dwo_id_info_reader): Remove.
 965         (class Unit_reader): New class.
 966         (get_dwarf_section_name): New function.
 967         (Dwo_file::read_executable): Adjust initializations of class data.
 968         (Dwo_file::read): Add support for v2 package file format.
 969         (Dwo_file::read_unit_index): Likewise.
 970         (Dwo_file::sized_read_unit_index): Likewise.
 971         (Dwo_file::copy_section): Likewise.
 972         (Dwo_file::add_unit_set): Likewise.
 973         (Dwp_output_file::add_output_section): Likewise.
 974         (Dwp_output_file::add_contribution): Likewise.
 975         (Dwp_output_file::Dwp_index::find_or_add): Use row index to check
 976         for empty slot.
 977         (Dwp_output_file::Dwp_index::enter_set): Add support for v2 package
 978         file format.
 979         (Dwp_output_file::Dwp_index::grow): Use row index to check for empty
 980         slot.
 981         (Dwp_output_file::initialize): Remove unused function.
 982         (Dwp_output_file::finalize): Add support for v2 package file format.
 983         (Dwp_output_file::write_index): Likewise.
 984         * gdb-index.cc (Gdb_index_info_reader::visit_type_unit): Adjust
 985         function prototype.
 986
 987 2013-03-01  Cary Coutant  <ccoutant@google.com>
 988
 989         * dwarf_reader.cc (Dwarf_info_reader::check_buffer): Move
 990         function into class definition in header file.
 991         (Dwarf_info_reader::warn_corrupt_debug_section): New function.
 992         * dwarf_reader.h (Dwarf_info_reader::warn_corrupt_debug_section):
 993         New function.
 994         (Dwarf_info_reader::check_buffer): Move here from .cc file.
 995
 996 2013-02-28  Alan Modra  <amodra@gmail.com>
 997
 998         * target.h (Target::plt_fde_location, do_plt_fde_location): Declare.
 999         * target.cc (Target::do_plt_fde_location): New function.
1000         * ehframe.h (class FDE): Add post_map field to u_.from_linker,
1001         accessor function, and constructor param.
1002         (struct Post_fde, Post_fdes): Declare.
1003         (Cie::write): Add post_fdes param.
1004         * ehframe.cc (Fde::write): Use plt_fde_location.
1005         (struct Post_fde): Define.
1006         (Cie::write): Stash FDEs added post merge mapping.
1007         (Eh_frame::add_ehframe_for_plt): Assert no new CIEs after mapping.
1008         Adjust Fde constructor call.  Bump final_data_size_ for post map FDEs.
1009         (Eh_frame::do_sized_write): Arrange to write post map FDES after
1010         other FDEs.
1011         * powerpc.cc (Target_powerpc::do_plt_fde_location): New function.
1012         (Target_powerpc::has_glink): New function.
1013         (Target_powerpc::do_relax): Add eh_frame info for stubs.
1014         (struct Eh_cie, eh_frame_cie, glink_eh_frame_fde_64,
1015         glink_eh_frame_fde_32, default_fde): New data.
1016         (Stub_table::eh_frame_added_): New var.
1017         (Stub_table::find_long_branch_entry, stub_address, stub_offset):
1018         Make const.
1019         (Stub_table::add_eh_frame): New function.
1020         (Output_data_glink::add_eh_frame): New function.
1021         (Target_powerpc::make_glink_section): Call add_eh_frame.
1022
1023 2013-02-15  Ian Lance Taylor  <iant@google.com>
1024
1025         * options.h (DEFINE_uint64_alias): Define.
1026         (class General_options): Add -Ttext-segment as an alias for
1027         -Ttext.
1028
1029 2013-02-15  Alan Modra  <amodra@gmail.com>
1030
1031         * powerpc.cc (Stub_table::plt_off): New function, extracted from..
1032         (Stub_table::do_write): ..here, two places.
1033         (Stub_table::plt_call_size): Use it here too.
1034
1035 2013-02-11  Ian Lance Taylor  <iant@google.com>
1036
1037         * descriptors.cc (Descriptors::close_all): New function.
1038         * descriptors.h (class Descriptors): Declare close_all.
1039         (close_all_descriptors): New inline function.
1040         * plugin.cc: Include "descriptors.h".
1041         (Plugin_manager::cleanup): Call close_all_descriptors.
1042
1043 2013-02-06  Alan Modra  <amodra@gmail.com>
1044
1045         * README: Update coding style link.
1046
1047 2013-01-28  Cary Coutant  <ccoutant@google.com>
1048
1049         * dwp.cc (File_list): New typedef.
1050         (Dwo_name_info_reader): New class.
1051         (Dwo_id_info_reader::Dwo_id_info_reader): Remove unused parameters.
1052         (Dwo_id_info_reader::visit_top_die): Remove unused member function.
1053         (Dwo_file::~Dwo_file): Delete input_file_ after obj_.
1054         (Dwo_file::read_executable): New function.
1055         (Dwo_file::read): Move common setup code to ...
1056         (Dwo_file::make_object): ... here.
1057         (dwp_options): Add --exec/-e.
1058         (usage): Likewise.
1059         (main): Likewise.
1060
1061 2013-01-24  Sriraman Tallam  <tmsriram@google.com>
1062
1063         * layout.cc (Layout::layout): Check for option text_reorder.
1064         (Layout::make_output_section): Ditto.
1065         * options.h (text_reorder): New option.
1066         * output.cc (Input_section_sort_compare): Remove special ordering
1067         of section names.
1068         (Output_section::
1069          Input_section_sort_section_name_special_ordering_compare::
1070          operator()): New function.
1071         (Output_section::sort_attached_input_sections): Use new sort function
1072         for .text.
1073         * output.h (Input_section_sort_section_name_special_ordering_compare):
1074         New struct.
1075         * testsuite/Makefile.am (text_section_grouping): Test option
1076         --no-text-reorder
1077         * testsuite/Makefile.in: Regenerate.
1078         * testsuite/text_section_grouping.sh: Check order of functions without
1079         default text reordering.
1080
1081 2013-01-18  Mike Frysinger  <vapier@gentoo.org>
1082
1083         * options.h (General_options): Change default to true for new_dtags.
1084
1085 2013-01-18  Mike Frysinger  <vapier@gentoo.org>
1086
1087         * layout.cc (Layout::finish_dynamic_section): Only add DT_RPATH
1088         when enable_new_dtags is false.  Only add DT_RUNPATH when
1089         enable_new_dtags is true.
1090
1091 2013-01-17  Serge Pavlov  <serge.v.pavlov@gmail.com>
1092
1093         * powerpc.cc (Stub_table::find_plt_call_entry): Make types
1094         used in declaration and definition consistent.
1095         (Target_powerpc::symval_for_branch): Ditto.
1096
1097 2013-01-16  Sriraman Tallam  <tmsriram@google.com>
1098
1099         * testsuite/plugin_final_layout.cc: Fix comment.
1100
1101 2013-01-16  Sriraman Tallam  <tmsriram@google.com>
1102
1103         * layout.cc (Layout::layout): Do not do default sorting for
1104         text sections when section ordering is specified.
1105         (make_output_section): Ditto.
1106         * testsuite/plugin_final_layout.cc: Name the function sections
1107         to catch reordering issues.
1108
1109 2013-01-15  Alan Modra  <amodra@gmail.com>
1110
1111         * powerpc.cc (Target_powerpc::do_relax): Default shared libs to
1112         plt-thread-safe.
1113
1114 2013-01-15  Alan Modra  <amodra@gmail.com>
1115
1116         * testsuite/Makefile.am (final_layout_script.lds): Handle .got section.
1117         * testsuite/Makefile.in: Regenerate.
1118
1119 2013-01-14  Alan Modra  <amodra@gmail.com>
1120
1121         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add various output files.
1122         * testsuite/Makefile.in: Regenerate.
1123
1124 2013-01-11  Pavel Chupin  <pavel.v.chupin@intel.com>
1125
1126         PR bfd/14430
1127         Fix mingw gold build with plugins enabled
1128         * Makefile.am: Replace -ldl with @DLOPEN_LIBS@.
1129         * configure.ac: Export DLOPEN_LIBS and add headers check.
1130         * plugin.cc: Handle non-dlfcn case.
1131         * Makefile.in: Regenerate.
1132         * config.in: Regenerate.
1133         * configure: Regenerate.
1134         * testsuite/Makefile.in: Regenerate.
1135
1136 2013-01-09  Sriraman Tallam  <tmsriram@google.com>
1137
1138         * output.h (sort_attached_input_sections): Change to be public.
1139         * script-sections.cc
1140         (Output_section_definition::set_section_addresses): Sort
1141         attached input sections according to section order before linker
1142         script assigns section addresses.
1143         (Orphan_output_section::set_section_addresses): Sort
1144         attached input sections according to section order before linker
1145         script assigns section addresses.
1146         * Makefile.am (final_layout.sh): Use a simple linker script to
1147         check if section ordering still works.
1148         * Makefile.in: Regenerate.
1149
1150 2013-01-09  Ben Cheng  <bccheng@google.com>
1151
1152         * arm.cc (Target_arm::attributes_accept_div): New function.
1153         (Target_arm::attributes_forbid_div): New function.
1154         (Target_arm::merge_object_attributes): Merge the Tag_DIV_use
1155         attribute using the same new functions as what bfd/elf32_arm.c
1156         does.
1157
1158 2013-01-07  Cary Coutant  <ccoutant@google.com>
1159
1160         PR gold/14993
1161         * output.cc (Output_section::add_input_section): For incremental
1162         updates, don't track input sections that are allocated from patch
1163         space.
1164
1165 2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
1166             Ian Lance Taylor  <iant@google.com>
1167
1168         PR gold/14897
1169         * configure.ac (--enable-ld): Removed.
1170         (install_as_default): Set to yes only for --enable-gold=default
1171         or --disable-ld.
1172         * configure: Regenerated.
1173
1174 2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
1175
1176         * options.h (General_options): Add -fuse-ld= for GCC linker
1177         option compatibility.
1178
1179 2013-01-04  Cary Coutant  <ccoutant@google.com>
1180
1181         * configure.ac: Fix typo restoring CXXFLAGS.
1182         * configure: Regenerate.
1183
1184 2013-01-04  Cary Coutant  <ccoutant@google.com>
1185
1186         * testsuite/Makefile.am (CXXLINK_S): New macro.
1187         (debug_msg_so.err, debug_msg_ndebug.err): Use CXXLINK_S.
1188         * testsuite/Makefile.in: Regenerate.
1189
1190 2013-01-02  H.J. Lu  <hongjiu.lu@intel.com>
1191
1192         * version.cc (print_version): Update copyright year to 2013.
1193
1194 2012-12-20  Ian Lance Taylor  <iant@google.com>
1195
1196         * layout.cc (Layout::special_ordering_of_input_section): New
1197         function.
1198         (Layout::layout): If input section requires special ordering, must
1199         sort input sections.
1200         (Layout::make_output_section): May sort .text input sections.
1201         (Layout::is_section_name_prefix_grouped): Remove.
1202         * layout.h (class Layout): Declare
1203         special_ordering_of_input_section.  Don't declare
1204         is_section_name_prefix_grouped.
1205         * output.cc (Output_section::add_input_section): Revert last
1206         change.
1207         (Output_section::Input_section_sort::match_file_name): Don't crash
1208         if called on output section data.
1209         (Output_section::Input_section_sort_compare): Sort based on
1210         special ordering.
1211         (Output_section::Input_section_sort_section_order_index_compare):
1212         Revert last patch.
1213         (Output_section::sort_attached_input_sections): Likewise.
1214
1215 2012-12-18  Sriraman Tallam  <tmsriram@google.com>
1216
1217         * layout.cc (Layout::is_section_name_prefix_grouped): New function.
1218         * layout.h (Layout::is_section_name_prefix_grouped): New function.
1219         * output.cc (Output_section::add_input_section): Check if section
1220         name contains special prefix.  Keep input sections to sort such
1221         sections.
1222         (Output_section::Input_section_sort_section_order_index_compare
1223          ::operator()): Group sections according to prefixes.
1224         (Output_section::sort_attached_input_sections): Add condition to
1225         Input_section_entry constructor call.
1226         * testsuite/Makefile.am (text_section_grouping): New test.
1227         * testsuite/Makefile.in: Regenerate.
1228         * testsuite/text_section_grouping.cc: New file.
1229         * testsuite/text_section_grouping.sh: New file.
1230
1231 2012-12-17  Nick Clifton  <nickc@redhat.com>
1232
1233         * Makefile.am: Add copyright notice.
1234         * NEWS: Likewise.
1235         * README: Likewise.
1236         * configure.ac: Likewise.
1237         * ftruncate.c: Likewise.
1238         * Makefile.in: Regenerate.
1239
1240 2012-12-14  Cary Coutant  <ccoutant@google.com>
1241
1242         * testsuite/Makefile.am (exception_separate_shared_12_test): Add
1243         --no-as-needed flag.
1244         (exception_separate_shared_12_test): Likewise.
1245         (incremental_copy_test): Likewise.
1246         * testsuite/Makefile.in: Regenerate.
1247
1248 2012-12-14  Cary Coutant  <ccoutant@google.com>
1249
1250         * dwp.cc (Dwp_output_file::add_cu_set): Check for duplicate CUs.
1251         (Dwp_output_file::Dwp_index::enter_set): Add assert.
1252
1253 2012-12-12  Alan Modra  <amodra@gmail.com>
1254
1255         * powerpc.cc (class Track_tls): New.
1256         (class Relocate, class Scan): Inherit Track_tls.
1257         (Target_powerpc::Scan::local, global): Track tls optimization
1258         and avoid creating plt entry for __tls_get_addr if all uses
1259         are optimized away.
1260         (Target_powerpc::Relocate::relocate): Update to use Track_tls.
1261
1262 2012-12-12  Alan Modra  <amodra@gmail.com>
1263
1264         * options.h (General_options): Add --toc-sort/--no-toc-sort.
1265         Replace no_toc_optimize with toc_optimize.
1266         * output.h (Output_section::input_sections): Provide non-const variant.
1267         * powerpc.cc (Powerpc_relobj::has_small_toc_reloc_,
1268         set_has_small_toc_reloc, has_small_toc_reloc): New variable and
1269         accessors.
1270         (Target_powerpc::Scan::local, global): Call set_has_small_toc_reloc.
1271         (class Sort_toc_sections): New.
1272         (Target_powerpc::do_finalize_sections): Sort toc sections.
1273         (Target_powerpc::Relocate::relocate): Update toc_optimize test.
1274
1275 2012-12-10  Roland McGrath  <mcgrathr@google.com>
1276
1277         * testsuite/binary_unittest.cc (read_all): New function.
1278         (Sized_binary_test): Use it instead of ::read.
1279         * fileread.cc (do_read): Don't assume pread always reads the whole
1280         amount in a single call.
1281
1282 2012-12-10  Alan Modra  <amodra@gmail.com>
1283
1284         * powerpc.cc (Target_selector_powerpc::Target_selector_powerpc):
1285         Set EM_PPC64 or EM_PPC here.
1286         (Target_selector_powerpc::do_recognize): Delete.
1287
1288 2012-12-10  Alan Modra  <amodra@gmail.com>
1289
1290         * powerpc.cc (Powerpc_relobj::Powerpc_relobj): Init has14_ and
1291         stub_table_.
1292         (Target_powerpc::Branch_info::make_stub): Don't omit addend.
1293
1294 2012-12-07  Roland McGrath  <mcgrathr@google.com>
1295
1296         * testsuite/binary_unittest.cc (Sized_binary_test):
1297         Use open_descriptor rather than ::open.
1298
1299 2012-12-07  Alan Modra  <amodra@gmail.com>
1300
1301         * powerpc.cc (Stub_table::do_write): Delete redundant Address
1302         typedef and invalid_address constant.
1303         (Output_data_glink, Stub_table, Target_powerpc): Explicitly
1304         instantiate constants.
1305
1306 2012-12-06  Roland McGrath  <mcgrathr@google.com>
1307
1308         * configure.ac (HAVE_ZLIB): Use AM_ZLIB instead of AC_SEARCH_LIBS.
1309         Use $ac_cv_header_zlib_h = yes as the condition in AM_CONDITIONAL.
1310         * aclocal.m4: Regenerate.
1311         * configure: Regenerate.
1312         * Makefile.in: Regenerate.
1313         * testsuite/Makefile.in: Regenerate.
1314
1315 2012-12-07  Alan Modra  <amodra@gmail.com>
1316
1317         * options.h (General_options): Add no_toc_optimize.
1318         * powerpc.cc (ok_lo_toc_insn): New function.
1319         (Target_powerpc::Relocate::relocate): Optimize toc access sequences.
1320
1321 2012-12-06  Alan Modra  <amodra@gmail.com>
1322
1323         * options.h (General_options): Add plt_align, plt_static_chain,
1324         plt_thread_safe.  Update stub_group_size help text.
1325         * powerpc.cc (Target_powerpc::plt_thread_safe): New access function
1326         for new plt_thread_safe_ var.
1327         (use_plt_offset): Correct comments.
1328         (Target_powerpc::do_relax): Look for thread creation symbols to
1329         determine default plt_thread_safe value.  Clear plt call stubs
1330         as well as branch stubs each iteration.
1331         (add_2_2_11, add_12_12_11, bnectr_p4, cmpldi_2_0, xor_11_11_11): New
1332         insn constants.
1333         (l, hi, ha, write_insn): Move earlier.
1334         (Stub_table): Delete prev_size, add last_plt_size and last_branch_size.
1335         (Stub_table::clear_stubs): Rename from clear_long_branch_stubs, clear
1336         plt stubs too.
1337         (Stub_table::update_size): Adjust.
1338         (Stub_table::prev_size, set_prev_size): Delete.
1339         (Stub_table::stub_align): Let --plt-align affect result.
1340         (Stub_table::plt_call_size): Calculate sizes for various stubs.
1341         (Stub_table::branch_stub_size): Use last_plt_size in address calc.
1342         (Stub_table::add_plt_call_stub): Pass iterator to plt_call_size.
1343         (Stub_table::do_write): Support more stub variants.
1344
1345 2012-12-04  Alan Modra  <amodra@gmail.com>
1346
1347         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Delete.
1348         (Target_powerpc::do_define_standard_symbols): New function.
1349
1350 2012-12-03  Alan Modra  <amodra@gmail.com>
1351
1352         * output.h: Formatting, whitespace.
1353
1354 2012-12-03  Alan Modra  <amodra@gmail.com>
1355
1356         * layout.h (Layout::get_executable_sections): Declare.
1357         * layout.cc (Layout::get_executable_sections): New function.
1358         * arm.cc (Target_arm::group_sections): Use it.
1359         (Arm_output_section::group_sections): Delete now redundant test.
1360         * output.cc (Output_reloc::Output_reloc): Add is_relative.
1361         param to handle relative relocs.
1362         * output.h (Output_reloc::Output_reloc <absolute reloc>): Likewise.
1363         (Output_data_reloc::add_absolute): Adjust.
1364         (Output_data_reloc::add_relative): New function.
1365         (Output_data::reset_data_size): New function.
1366         (Output_relaxed_input_section::set_relobj, set_shndx): New functions.
1367         (Output_section::set_addralign): New function.
1368         (Output_section::checkpoint_set_addralign): New function.
1369         (Output_section::clear_section_offsets_need_adjustment): New function.
1370         (Output_section::input_sections): Make public.
1371         * powerpc.cc (class Output_data_brlt_powerpc): New.
1372         (class Stub_table, class Stub_control): New.
1373         (Powerpc_relobj::has14_, set_has_14bit_branch, has_14bit_branch,
1374         stub_table_, set_stub_table, stub_table): New vectors and accessor
1375         functions.
1376         (Target_powerpc::do_may_relax, do_relax, push_branch,
1377         new_stub_table, stub_tables, brlt_section, group_sections,
1378         add_branch_lookup_table, find_branch_lookup_table,
1379         write_branch_lookup_table, make_brlt_section): New functions.
1380         (Target_powerpc::struct Sort_sections, class Branch_info): New.
1381         (Target_powerpc::brlt_section_, stub_tables_, branch_lookup_table_,
1382         branch_info_): New vars.
1383         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Don't
1384         make call stubs here.
1385         (Output_data_glink): Remove all call stub handling from this class.
1386         (Target_powerpc::Scan::local, global): Save interesting branch
1387         relocs and relocs for ifunc.  Adjust calls to plt entry functions.
1388         (Target_powerpc::do_finalize_sections): Only make reg save/restore
1389         functions on final link.
1390         (Target_powerpc::Relocate::relocate): Adjust lookup of call stubs.
1391         Handle long branch destinations too.
1392         (Target_powerpc::do_dynsym_value, do_plt_address_for_global,
1393         do_plt_address_for_local): Adjust lookup of plt call stubs.
1394
1395 2012-11-30  Alan Modra  <amodra@gmail.com>
1396
1397         * powerpc.c (Target_powerpc::Scan::global): Don't emit relative
1398         relocs against protected symbols when building 32-bit shared libs.
1399
1400 2012-11-30  Alan Modra  <amodra@gmail.com>
1401
1402         * powerpc.cc (Target_powerpc::make_plt_section): Add symtab
1403         param.  Call got_section() to make .got.  Update all callers
1404         and their callers and so on.
1405
1406 2012-11-30  Alan Modra  <amodra@gmail.com>
1407
1408         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Make STB_LOCAL
1409         _GLOBAL_OFFSET_TABLE_ rather than STB_WEAK.
1410         (Output_data_got_powerpc::make_header): Update _GLOBAL_OFFSET_TABLE_
1411         value if it already exists.
1412
1413 2012-11-19  H.J. Lu  <hongjiu.lu@intel.com>
1414
1415         PR gold/14858
1416         * x86_64.cc (Relocate::tls_ld_to_le): Support x32.
1417
1418 2012-11-14  Roland McGrath  <mcgrathr@google.com>
1419
1420         * arm.cc (Output_data_plt_arm_nacl::first_plt_entry): Use bic rather
1421         than bfc instruction for data sandboxing.
1422
1423 2012-11-08  Alan Modra  <amodra@gmail.com>
1424
1425         * po/POTFILES.in: Regenerate.
1426
1427 2012-11-05  Alan Modra  <amodra@gmail.com>
1428
1429         * configure.ac: Apply 2012-09-10 change to config.in here.
1430         * configure: Regenerate.
1431
1432 2012-11-05  Alan Modra  <amodra@gmail.com>
1433
1434         * powerpc.cc (Powerpc_relobj): Delete "Offset" typedef.
1435         (struct Opd_ent): Use "Address" rather than "Offset".
1436         (Output_data_got_powerpc::got_base_offset): Return Valtype.
1437         (Target_powerpc::got_section): Make public.
1438         (Target_powerpc::scan_relocs): Move code setting symbols..
1439         (Powerpc_relobj::do_scan_relocs): ..to here, new function.
1440         Create _SDA_BASE_ only when referenced.
1441
1442 2012-11-02  Roland McGrath  <mcgrathr@google.com>
1443
1444         * i386.cc (Target_i386::relocate_relocs): Remove extraneous typename
1445         from last change.
1446
1447 2012-11-01  Roland McGrath  <mcgrathr@google.com>
1448
1449         * target.h (Sized_target::relocate_relocs): Use Elf_Off
1450         for offset_in_output_section parameter.
1451         (Sized_target::relocate_special_relocatable): Likewise.
1452         * arm.cc (Target_arm::relocate_relocs): Likewise.
1453         (Target_arm::relocate_special_relocatable): Likewise.
1454         * i386.cc (Target_i386::relocate_relocs): Likewise.
1455         * powerpc.cc (Target_powerpc::relocate_relocs): Likewise.
1456         * sparc.cc (Target_sparc::relocate_relocs): Likewise.
1457         * target-reloc.h (relocate_relocs): Likewise.
1458         * testsuite/testfile.cc (Target_test): Likewise.
1459         * tilegx.cc (Target_tilegx::relocate_relocs): Likewise.
1460         * x86_64.cc (Target_x86_64::relocate_relocs): Likewise.
1461
1462         * system.h: Move inclusion of <clocale> to after <libintl.h> in
1463         [ENABLE_NLS] section, and separately at top of [!ENABLE_NLS] section.
1464
1465         * descriptors.cc (set_close_on_exec): Add ATTRIBUTE_UNUSED to the
1466         parameter, which is unused in the [!F_SETFD] case.
1467
1468         * dwarf_reader.cc (Sized_elf_reloc_mapper::symbol_section): Cast
1469         SYMNDX to off_t before comparing it to this->data_size().
1470         * output.cc (Output_symtab_xindex::endian_do_write): Likewise.
1471         * incremental.cc (Output_section_incremental_inputs::do_write):
1472         Cast GLOBAL_SYM_COUNT to off_t before comparing it to SYMTAB_SIZE.
1473
1474         * nacl.cc: Include "libiberty.h" for vasprintf declaration.
1475
1476 2012-10-30  Steve McIntyre  <steve.mcintyre@linaro.org>
1477
1478         * gold.cc (Target_arm::do_adjust_elf_header): Add the
1479         hard-float/soft-float ABI flag as appropriate for ET_DYN/ET_EXEC
1480         in EABI_VER5.
1481
1482 2012-10-29  Cary Coutant  <ccoutant@google.com>
1483
1484         * dwp.cc (usage): Add file and exit status parameters;
1485         add --help and --version options.
1486         (print_version): New function.
1487         (main): Add --help and --version options.
1488
1489 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
1490
1491         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add
1492         final_layout_sequence.txt.
1493         * testsuite/Makefile.in: Regenerated.
1494
1495 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
1496
1497         * testsuite/Makefile.am (COMPILE1): New variable. Renamed from
1498         COMPILE generated by automake.
1499         (LINK1): Likewise.
1500         (CXXCOMPILE1): Likewise.
1501         (CXXLINK1): Likewise.
1502         (COMPILE): Strip out -Wp,-D_FORTIFY_SOURCE= from COMPILE1.
1503         (LINK): Likewise.
1504         (CXXCOMPILE): Likewise.
1505         (CXXLINK): Likewise.
1506         * testsuite/Makefile.in: Regenerated.
1507
1508 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
1509
1510         * dwp.cc (Dwo_file::record_target_info): Issue a fatal error
1511         on bad fwrite return.
1512
1513 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
1514
1515         * dwp.cc (Dwo_file::remap_str_offset): Use section_offset_type
1516         on val.
1517
1518 2012-10-23  Cary Coutant  <ccoutant@google.com>
1519
1520         * testsuite/Makefile.am (TEST_OBJCOPY): New macro.
1521         * testsuite/Makefile.in: Regenerate.
1522         * testsuite/dwp_test.h: New source file.
1523         * testsuite/dwp_test_1.cc: New source file.
1524         * testsuite/dwp_test_1.s: New source file.
1525         * testsuite/dwp_test_1.sh: New source file.
1526         * testsuite/dwp_test_1b.cc: New source file.
1527         * testsuite/dwp_test_1b.s: New source file.
1528         * testsuite/dwp_test_2.cc: New source file.
1529         * testsuite/dwp_test_2.s: New source file.
1530         * testsuite/dwp_test_2.sh: New source file.
1531         * testsuite/dwp_test_main.cc: New source file.
1532         * testsuite/dwp_test_main.s: New source file.
1533
1534 2012-10-23  Cary Coutant  <ccoutant@google.com>
1535
1536         * dwp.h: New header file.
1537         * dwp.cc: New source file.
1538         * gold.h: Move shared declarations to system.h.
1539         * system.h: New header file.
1540         * Makefile.am: Add dwp.
1541         * Makefile.in: Regenerate.
1542
1543 2012-10-23  Cary Coutant  <ccoutant@google.com>
1544
1545         * dwarf_reader.cc (Dwarf_ranges_table::read_range_list): Call
1546         Dwarf_info_reader::read_from_pointer.
1547         (Dwarf_pubnames_table::read_header): Likewise.
1548         (Dwarf_pubnames_table::next_name): Likewise.
1549         (Dwarf_die::read_attributes): Likewise.
1550         (Dwarf_die::skip_attributes): Likewise.
1551         (Dwarf_info_reader::read_from_pointer): New function template.
1552         * dwarf_reader.h (Dwarf_ranges_table): Add dwinfo_.
1553         (Dwarf_pubnames_table): Likewise.
1554         (Dwarf_info_reader::read_from_pointer): New function template.
1555         * gdb-index.cc (Gdb_index_info_reader): Adjust call to
1556         Dwarf_pubnames_table ctor.
1557
1558 2012-10-23  Cary Coutant  <ccoutant@google.com>
1559
1560         * dwarf_reader.cc (Dwarf_info_reader::do_parse): Use stored
1561         abbrev_shndx.
1562         * dwarf_reader.h (Dwarf_info_reader::Dwarf_info_reader): Initialize
1563         abbrev_shndx_.
1564         (Dwarf_info_reader::set_abbrev_shndx): New method.
1565         (Dwarf_info_reader::abbrev_shndx_): New data member.
1566
1567 2012-10-23  Cary Coutant  <ccoutant@google.com>
1568
1569         * dwarf_reader.cc (make_elf_reloc_mapper): Check size and endianness
1570         from object, not parameters.
1571         (Dwarf_info_reader::parse): Likewise.
1572         * object.h (Relobj::elfsize, Relobj::is_big_endian): New methods.
1573         (Relobj::do_elfsize, Relobj::do_is_big_endian): New methods.
1574         (Sized_relobj::do_elfsize, Sized_relobj::do_is_big_endian): New
1575         methods.
1576
1577 2012-10-23  Cary Coutant  <ccoutant@google.com>
1578
1579         * fileread.cc (Input_file::Input_file): New constructor.
1580         * fileread.h (class Input_file): Add new constructor.
1581
1582 2012-10-18  Alan Modra  <amodra@gmail.com>
1583
1584         PR gold/14727
1585         * object.cc (Relobj::is_section_name_included): Also match
1586         .sdata personality section.
1587
1588 2012-10-18  Alan Modra  <amodra@gmail.com>
1589
1590         * target-reloc.h (class Default_comdat_behavior): New, package up..
1591         (get_comdat_behaviour): ..this.
1592         (relocate_section): Add Relocate_comdat_behavior template arg,
1593         adjust code to suit.
1594         * arm.cc (Target_arm::relocate_section): Adjust to suit.
1595         (Target_arm::scan_reloc_section): Likewise.
1596         * i386.cc (Target_i386::relocate_section): Likewise.
1597         * sparc.cc (Target_sparc::relocate_section): Likewise.
1598         * tilegx.cc (Target_tilegx::relocate_section): Likewise.
1599         * x86_64.cc (Target_x86_64::relocate_section): Likewise.
1600         * powerpc.cc (class Relocate_comdat_behavior): New.
1601         (Target_powerpc::relocate_section): Don't zap opd relocs.  Supply
1602         gold::relocate_section with new template arg.
1603
1604 2012-10-18  Alan Modra  <amodra@gmail.com>
1605
1606         * powerpc.cc (Target_powerpc::Scan::local, global): Always emit
1607         dynamic relocs for GOT_TPREL got entries, without symbol if
1608         resolving locally.
1609         (Target_powerpc::do_gc_add_reference): Don't add for dynamic objects.
1610         (Target_powerpc::scan_relocs): Define _GLOBAL_OFFSET_TABLE_ early.
1611         (Target_powerpc::Relocate:relocate): REL32 reloc may be unaligned.
1612
1613 2012-10-17  Alan Modra  <amodra@gmail.com>
1614
1615         PR gold/14726
1616         * gold.cc (queue_middle_tasks): Call gc_mark_symbol on _init and _fini.
1617
1618 2012-10-16  Sriraman Tallam  <tmsriram@google.com>
1619
1620         * layout.cc (Layout::include_section): Keep sections marked
1621         SHF_EXCLUDE when doing relocatable links.
1622
1623 2012-10-16  Alan Modra  <amodra@gmail.com>
1624
1625         * powerpc.cc (Target_powerpc::define_save_restore_funcs): New func.
1626         (Target_powerpc::do_finalize_sections): Call it.
1627         (Output_data_save_res): New class and supporting functions.
1628         (Target_powerpc::symval_for_branch): Only look up .opd entry for
1629         normal symbols defined in object files.
1630
1631 2012-10-12  Alan Modra  <amodra@gmail.com>
1632
1633         * powerpc.cc (Powerpc_relobj::add_gc_mark, process_gc_mark): New.
1634         (struct Opd_ent): Make "discard" a bit field.  Add "gc_mark".
1635         (Target_powerpc::do_gc_mark_symbol): Delay marking function code
1636         section if scan_opd_relocs not yet called.
1637         (Target_powerpc::gc_process_relocs): Call process_gc_mark.
1638
1639 2012-10-12  Alan Modra  <amodra@gmail.com>
1640
1641         * powerpc.cc (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
1642         add_local_ifunc_entry): Revert last change.
1643         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise.
1644
1645 2012-10-05  Alan Modra  <amodra@gmail.com>
1646
1647         * powerpc.cc (Target_powerpc::do_plt_address_for_local,
1648         do_plt_address_for_global): New functions.
1649         (Output_data_got_powerpc::do_write): Don't segfault when linking
1650         statically.
1651         (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
1652         add_local_ifunc_entry): Return true on adding entry..
1653         (Target_powerpc::make_plt_entry): ..use to avoid unnecessary
1654         glink->add_entry call.  Remove unused symtab param.  Adjust calls.
1655         (Target_powerpc::make_local_ifunc_plt_entry): Likewise.
1656         (Target_powerpc::make_iplt_section): Remove symtab param.  Don't
1657         set up symbols here.
1658         (Target_powerpc::do_finalize_sections): Instead set up __rela_iplt
1659         syms here.  Do so even when no .iplt.  Don't segfault when linking
1660         statically.
1661         (Output_data_glink::add_entry, find_entry): Rearrange params.  Add
1662         new variants without reloc param.
1663         (Glink_sym_ent::Glink_sym_ent): Likewise.
1664         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Accept any
1665         reloc when refs will resolve to plt call stub.
1666         (Target_powerpc::Scan::local): Correct ifunc handling.  Allow
1667         R_PPC_PLTREL24 to resolve locally.
1668         (Target_powerpc::Scan::global): Correct ifunc handling.
1669         (Target_powerpc::Relocate::relocate): Correct local sym glink
1670         lookup.  Don't destroy "value" when we have a plt call stub,
1671         and when checking plt call validity.
1672         (Target_powerpc::do_dynsym_value): Simplify.
1673
1674 2012-10-05  Alan Modra  <amodra@gmail.com>
1675
1676         * i386.cc (Output_data_plt_i386::address_for_global,
1677         address_for_local): Add plt offset to returned value.  Adjust uses.
1678         * sparc.cc (Output_data_plt_sparc::address_for_global,
1679         address_for_local): Likewise.
1680         * tilegx.cc (Output_data_plt_tilegx::address_for_global,
1681         address_for_local): Likewise.
1682         * x86_64.cc (Output_data_plt_x86_64::address_for_global,
1683         address_for_local): Likewise.
1684         * target.h (Target::plt_address_for_global, plt_address_for_local):
1685         Update comment.
1686         * output.cc (Output_reloc::symbol_value): Don't add plt offset here.
1687         (Output_data_got::Got_entry::write): Nor here.
1688         * output.h: Comment fix.
1689
1690 2012-10-02  Jiong Wang  <jiwang@tilera.com>
1691
1692         * tilegx.cc (Target_tilegx::do_finalize_sections): Adjust
1693         global_offset_table_ value for larget got.
1694         (Target_tilegx::Relocate::relocate): Handle adjusted got value.
1695
1696 2012-09-29  Alan Modra  <amodra@gmail.com>
1697
1698         * powerpc.cc (Target_powerpc::iplt_): New output section.
1699         (Target_powerpc::iplt_section, make_iplt_section,
1700         reloc_needs_plt_for_ifunc, make_local_ifunc_plt_entry): New functions.
1701         (Target_powerpc::make_plt_entry): Handle ifunc syms.
1702         Target_powerpc::plt_entry_count): Count iplt entries too.
1703         (Output_data_plt_powerpc::Output_data_plt_powerpc): Don't create
1704         reloc section in constructor.  New params.
1705         (Target_powerpc::make_plt_section): Create reloc section here instead.
1706         (Output_data_plt_powerpc::add_ifunc_entry, add_local_ifunc_entry): New
1707         functions.
1708         (Output_data_plt_powerpc::initial_plt_entry_size_, name_): New vars.
1709         (Output_data_glink::add_entry, find_entry): New functions to
1710         deal with local syms.
1711         (Glink_sym_ent): Add support for local syms.
1712         (Output_data_glink::do_write): Handle ifunc plt entries.
1713         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
1714         (Target_powerpc::Scan::local, global): Handle ifunc syms.
1715         (Target_powerpc::Relocate::relocate): Likewise.
1716         (Target_powerpc::do_dynsym_value): Use glink stub, not plt entry.
1717
1718 2012-09-25  Alan Modra  <amodra@gmail.com>
1719
1720         * object.h (Sized_relobj_file::adjust_local_symbol,
1721         do_adjust_local_symbol): New functions.
1722         * object.cc (Sized_relobj_file::do_count_local_symbols): Use the above.
1723         * powerpc.cc (Powerpc_relobj::do_adjust_local_symbol): New function.
1724         (Powerpc_relobj::scan_opd_relocs): Warn on unexpected opd relocs
1725         and irregular opd entry spacing.
1726         (Powerpc_relobj::do_read_relocs): Add opd size checks.
1727         (Global_symbol_visitor_opd): New functor.
1728         (Target_powerpc::do_finalize_sections): Omit global symbols defined
1729         on deleted opd entries.
1730
1731 2012-09-15  Jiong Wang  <jiwang@tilera.com>
1732
1733         * tilegx.cc: New file.
1734         * Makefile.am (TARGETSOURCES): Add tilegx.cc
1735         (ALL_TARGETOBJS): Add tilegx.$(OBJEXT)
1736         * configure.tgt: Add entries for tilegx*.
1737         * configure.ac: Likewise.
1738         * Makefile.in: Rebuild.
1739         * configure: Likewise.
1740         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Handle
1741         tilegx.
1742
1743 2012-09-13  Alan Modra  <amodra@gmail.com>
1744
1745         * target-reloc.h (scan_relocs): Call scan.local for relocs
1746         against symbols in discarded sections.  Pass is_discarded
1747         param.
1748         * arm.cc, * i386.cc, * sparc.cc, * x86_64.cc (Target_*::Scan::local):
1749         Add is_discarded param.
1750         * powerpc (Target_powerpc::Scan::local): Likewise.  Use
1751         is_discarded to flag opd entry as discarded.  Don't emit dyn
1752         relocs on such entries.
1753         (Target_powerpc::Scan::global): Similarly detect and handle
1754         such opd entries.
1755         (Powerpc_relobj): Replace opd_ent_shndx_ and opd_ent_off_ with
1756         opd_ent_.  Update all uses.
1757         (Powerpc_relobj::get_opd_discard, set_opd_discard): New functions.
1758         (Target_powerpc::relocate_section): Zero out discarded opd
1759         entry relocs.
1760
1761 2012-09-12  Ian Lance Taylor  <iant@google.com>
1762
1763         PR gold/14570
1764         * output.cc: Rename Output_data_got template parameter from size
1765         to got_size for all functions.  Compile all variants of
1766         Output_data_got.
1767         (Output_data_got::Got_entry::write): Correct use of size for
1768         symbol value.  Use local_is_tls rather than casting to
1769         Sized_relobj_file.
1770         * object.h (class Object): Add local_is_tls and do_local_is_tls.
1771         (class Sized_relobj_file): Add do_local_is_tls.
1772         * incremental.h (class Sized_relobj_incr): Add do_local_is_tls.
1773
1774 2012-09-11  Alan Modra  <amodra@gmail.com>
1775
1776         PR gold/14566
1777         * layout.cc (Layout::set_segment_offsets): When using
1778         common-page-size alignment, ensure we are on a new max-page-size
1779         page.
1780         * output.cc (Output_segment::set_section_addresses): Use
1781         abi_pagesize, not common_pagesize for relro boundary.
1782         (Output_segment::set_offset): Likewise.
1783
1784 2012-09-11  Alan Modra  <amodra@gmail.com>
1785
1786         * output.h (Output_data_got::add_global_tls, add_local_tls,
1787         add_local_tls_pair): New functions.
1788         (Output_data_got::add_local_pair_with_rel): Remove second
1789         reloc param.  Expand comment.
1790         (Output_data_got::Got_entry): Rename use_plt_offset_ to
1791         use_plt_or_tls_offset_, similarly for constructor param.
1792         (Output_data_got::Got_entry::write): Add got_index param.
1793         * output.cc (Output_data_got::add_global_tls, add_local_tls,
1794         add_local_tls_pair): New functions.
1795         (Output_data_got::Got_entry::write): Handle tls symbols
1796         with use_plt_or_tls_offset_ set specially.
1797         (Output_data_got::add_local_pair_with_rel): Only one reloc.
1798         (Output_data_got::do_write): Replace iterator with index, pass
1799         index to entry write function.
1800         * target.h (Target::tls_offset_for_local, tls_offset_for_global,
1801         do_tls_offset_for_local, do_tls_offset_for_global): New functions.
1802         * arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel
1803         call.
1804         * i386.cc (Target_i386::Scan::local): Likewise.
1805         * sparc.cc (Target_sparc::Scan::local): Likewise.
1806         * x86_64.cc (Target_x86_64::Scan::local): Likewise.
1807         * powerpc.cc (Target_powerpc::do_tls_offset_for_local,
1808         do_tls_offset_for_global): New functions.
1809         (Target_powerpc::Scan::local): Correct TLS relocations and got
1810         entry values.
1811         (Target_powerpc::Scan::global): Don't emit unnecessary
1812         dynamic relocations on TLS GOT entries.
1813
1814 2012-09-10  Matthias Klose  <doko@ubuntu.com>
1815
1816         * config.in: Disable sanity check for kfreebsd.
1817
1818 2012-09-10  Sterling Augustine  <saugustine@google.com>
1819
1820         * gdb-index.cc (Gdb_index::pubnames_read): New parameter.
1821         (Gdb_index::pubtypes_read): New parameter.
1822         (Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters
1823         to calls.
1824         * gdb-index.h (Gdb_index): New fields pubnames_object_ and
1825         pubtypes_object_.
1826
1827 2012-09-09  Alan Modra  <amodra@gmail.com>
1828
1829         * target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.
1830         (Sized_target::gc_add_reference, do_gc_add_reference): New functions.
1831         * gc.h (gc_process_relocs): Call target gc_add_reference.
1832         * gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
1833         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
1834         (Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
1835         unnecessary cast.
1836         * powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
1837         to cater for when we don't need code offset.  Update use.
1838         (Powerpc_relobj::access_from_map_, opd_valid_): New vars.
1839         (Powerpc_relobj::access_from_map, add_reference, opd_valid,
1840         set_opd_valid): New functions.
1841         (Target_powerpc::do_gc_add_reference): New function.
1842         (Target_powerpc::gc_process_relocs): Call gc()->add_reference on
1843         stashed refs.
1844         (Target_powerpc::do_gc_mark_symbol): New function.
1845
1846 2012-09-06  Cary Coutant  <ccoutant@google.com>
1847
1848         * dwarf_reader.cc (Dwarf_die::read_attributes): Add
1849         DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index.
1850         (Dwarf_die::skip_attributes): Likewise.
1851         * object.cc (Read_symbols_data::~Read_symbols_data): Update comment.
1852         * testsuite/gdb_index_test.cc (inline_func_1): New function.
1853         (main): Call it.
1854         * testsuite/gdb_index_test_comm.sh: Check index for inline function.
1855
1856 2012-09-05  H.J. Lu  <hongjiu.lu@intel.com>
1857
1858         * testsuite/script_test_3.t: Add .got.plt output section
1859         statement.
1860         * testsuite/script_test_4.t: Likewise.
1861
1862 2012-09-05  Alan Modra  <amodra@gmail.com>
1863
1864         * powerpc.cc (Powerpc_relocate_functions): Upcase enum values,
1865         update all uses and lose "enum" when using type.
1866
1867 2012-09-05  Alan Modra  <amodra@gmail.com>
1868
1869         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc.
1870         * configure: Regenerate.
1871         * testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm.
1872         (plugin_final_layout.stdout): Likewise.
1873         (memory_test): Set page sizes to 0x1000.
1874         * testsuite/Makefile.in: Regenerate.
1875         * testsuite/discard_locals_test.sh: Add FIXME comment.
1876         * testsuite/justsyms_exec.c: Disable function test for powerpc64.
1877         * testsuite/pr14265.t: Add .got output section statement.
1878         * testsuite/script_test_2.t: Likewise.
1879         * testsuite/script_test_3.t: Likewise.
1880         * testsuite/script_test_4.t: Likewise.
1881         * testsuite/script_test_5.t: Likewise.
1882         * testsuite/script_test_6.t: Likewise.
1883         * testsuite/script_test_7.t: Likewise.
1884         * testsuite/script_test_9.t: Likewise.
1885
1886 2012-09-05  Alan Modra  <amodra@gmail.com>
1887
1888         * powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.
1889         (Powerpc_relocate_functions::Status): New typedef.
1890         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
1891         (Target_powerpc::Scan::local): Handle REL64.
1892         (Target_powerpc::Scan::global): Likewise, and dynamic relocs
1893         for REL32 and REL64.
1894         (Target_powerpc::symval_for_branch): New function, extracted from..
1895         (Target_powerpc::Relocate::relocate): ..here.  Correct plt call
1896         checks.  Report overflow errors.
1897
1898 2012-09-05  Alan Modra  <amodra@gmail.com>
1899
1900         * object.h (Sized_relobj_file::emit_relocs): Delete.
1901         (Sized_relobj_file::emit_relocs_reltype): Delete.
1902         * reloc.cc (Sized_relobj_file::do_relocate_sections): Call target
1903         relocate_relocs for --emit-relocs.
1904         (Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete.
1905         * output.h: Update comment.
1906         (Output_segment::first_section): New function.
1907         (Output_segment::first_section_load_address): Use first_section.
1908         * output.cc (Output_segment::first_section): New function extracted..
1909         (Output_segment::first_section_load_address): ..from here.  Delete.
1910         * target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs.
1911         * target.h (Sized_target::relocate_for_relocatable): Likewise.
1912         * arm.cc (Target_arm::relocate_for_relocatable): Likewise, and
1913         adjust call to target.h function.
1914         * i386.cc (Target_i386): Likewise.
1915         * sparc.cc (Target_sparc): Likewise.
1916         * x86_64.cc (Target_x86_64): Likewise.
1917         * powerpc.cc (Target_powerpc): Likewise.
1918         (Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS.  Ensure
1919         first tls section has section symbol for optimised local dynamic
1920         output relocs.
1921         (Target_powerpc::Relocate::relocate): Correct local dynamic value.
1922         (Target_powerpc::relocate_relocs): Adjust relocs emitted for
1923         optimised tls code.
1924         * testsuite/testfile.cc (Target_test::relocate_for_relocatable):
1925         Rename to relocate_relocs.  Update error message.
1926
1927 2012-09-04  Andreas Schwab  <schwab@linux-m68k.org>
1928
1929         * powerpc.cc (do_make_elf_object): Allow ET_EXEC files with
1930         --just-symbols.
1931
1932 2012-08-31  Alan Modra  <amodra@gmail.com>
1933
1934         * powerpc.cc (Powerpc_relobj): Add and use Address typedef.
1935         (Powerpc_relobj::toc_base_offset): New stub function.
1936         (Target_powerpc): Add tp_offset, dtp_offset.  Rename
1937         got_mod_index_offset to tlsld_got_offset.  Update all refs.
1938         (Target_powerpc::Relocate::enum skip_tls): New.
1939         (Target_powerpc::call_tls_get_addr_): New var.
1940         (Target_powerpc::is_branch_reloc): Move to file scope.
1941         (Target_powerpc::relocate_tls, optimize_tls_reloc): Delete.
1942         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
1943         New functions.
1944         (Target_powerpc::enum Got_type): Delete old values, add new ones.
1945         (powerpc_info): Correct common_pagesize for ppc64.
1946         (at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions.
1947         (Powerpc_relocate_functions): Add overflow check enums and functions.
1948         Add non-shift version of rela, rela_ua.  Delete all rel public
1949         functions.  Delete addr16_lo.  Add addr64, addr64_u, addr32,
1950         addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3,
1951         addr16_ha3, addr14 functions.
1952         (Output_data_got_powerpc::add_constant_pair): New function.
1953         (Output_data_got_powerpc::got_base_offset): Likewise.
1954         (Output_data_got_powerpc::do_write): Correct 64-bit got header.
1955         (instruction constants): Sort, add some more.
1956         (Output_data_glink::do_write): Add and use Address typedef.  Use
1957         object->toc_base_offset() stub for 64-bit.
1958         (Target_powerpc::tlsld_got_offset): Use add_constant_pair.
1959         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
1960         (Target_powerpc::Scan::local, global): Emit relative dynamic reloc
1961         for R_PPC64_TOC.  Handle more relocs.  Generate got entries for TLS.
1962         Always treat .opd relocs as against locally defined symbol.
1963         Correct condition for RELATIVE relocs.
1964         (Target_powerpc::do_finalize_sections): Test for NULL sections.
1965         (Target_powerpc::Relocate::relocate): Use plt call stub as value
1966         for 32-bit syms with a plt entry.  Correct ppc64 toc base
1967         calculations.  Handle TLS relocs, and more.  Add overflow
1968         checking and adjust for Powerpc_relocate_functions changes.
1969         (Target_powerpc::relocate_for_relocatable): Handle zero r_sym.
1970         Reinstate --emit-relocs code with FIXME.
1971
1972 2012-08-30  Alan Modra  <amodra@gmail.com>
1973
1974         * layout.cc (Layout::set_segment_offsets): Set p_align to
1975         abi_pagesize, not common_pagesize.
1976         (Layout::relaxation_loop_body): Similarly use abi_pagesize
1977         to determine whether file header can go in segment.
1978
1979 2012-08-30  Alan Modra  <amodra@gmail.com>
1980
1981         * output.h (Output_reloc::Output_reloc <output section>): Add
1982         is_relative param.  Adjust calls.
1983         (Output_reloc::add_output_section_relative): New functions.
1984         * output.cc (Output_reloc::Output_reloc <output section>): Handle
1985         is_relative.
1986         (Output_reloc::symbol_value): Handle SECTION_CODE.
1987
1988 2012-08-24  Sriraman Tallam  <tmsriram@google.com>
1989
1990         * gold.cc (queue_middle_tasks): Call layout again when unique
1991         segments for sections is desired.
1992         * layout.cc (Layout::Layout): Initialize new members.
1993         (Layout::get_output_section_flags): New function.
1994         (Layout::choose_output_section): Call get_output_section_flags.
1995         (Layout::layout): Make output section for mapping to a unique segment.
1996         (Layout::insert_section_segment_map): New function.
1997         (Layout::attach_allocated_section_to_segment): Make unique segment for
1998         output sections marked so.
1999         (Layout::segment_precedes): Check for unique segments when sorting.
2000         * layout.h (Layout::Unique_segment_info): New struct.
2001         (Layout::Section_segment_map): New typedef.
2002         (Layout::insert_section_segment_map): New function.
2003         (Layout::get_output_section_flags): New function.
2004         (Layout::is_unique_segment_for_sections_specified): New function.
2005         (Layout::set_unique_segment_for_sections_specified): New function.
2006         (Layout::unique_segment_for_sections_specified_): New member.
2007         (Layout::section_segment_map_): New member.
2008         * object.cc (Sized_relobj_file<size, big_endian>::do_layout):
2009         Rename is_gc_pass_one to is_pass_one.
2010         Rename is_gc_pass_two to is_pass_two.
2011         Rename is_gc_or_icf to is_two_pass.
2012         Check for which pass based on whether symbols data is present.
2013         Make it two pass when unique segments for sections is desired.
2014         * output.cc (Output_section::Output_section): Initialize new
2015         members.
2016         * output.h (Output_section::is_unique_segment): New function.
2017         (Output_section::set_is_unique_segment): New function.
2018         (Output_section::is_unique_segment_): New member.
2019         (Output_section::extra_segment_flags): New function.
2020         (Output_section::set_extra_segment_flags): New function.
2021         (Output_section::extra_segment_flags_): New member.
2022         (Output_section::segment_alignment): New function.
2023         (Output_section::set_segment_alignment): New function.
2024         (Output_section::segment_alignment_): New member.
2025         (Output_segment::Output_segment): Initialize is_unique_segment_.
2026         (Output_segment::is_unique_segment): New function.
2027         (Output_segment::set_is_unique_segment): New function.
2028         (Output_segment::is_unique_segment_): New member.
2029         * plugin.cc (allow_unique_segment_for_sections): New function.
2030         (unique_segment_for_sections): New function.
2031         (Plugin::load): Add new functions to transfer vector.
2032         * Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
2033         * Makefile.in: Regenerate.
2034         * testsuite/plugin_final_layout.sh: Check if unique segment
2035         functionality works.
2036         * testsuite/plugin_section_order.c (onload): Check if new interfaces
2037         are available.
2038         (allow_unique_segment_for_sections): New global.
2039         (unique_segment_for_sections): New global.
2040         (claim_file_hook): Call allow_unique_segment_for_sections.
2041         (all_symbols_read_hook): Call unique_segment_for_sections.
2042
2043 2012-08-22  Cary Coutant  <ccoutant@google.com>
2044
2045         * layout.cc (Layout::include_section): Don't assert on GROUP
2046         sections with --emit-relocs.
2047
2048 2012-08-21  Cary Coutant  <ccoutant@google.com>
2049
2050         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
2051         if --export-dynamic-symbol names an undef symbol.
2052
2053 2012-08-18  Alan Modra  <amodra@gmail.com>
2054
2055         * powerpc.cc: Formatting and white space.
2056         (Powerpc_relobj): Rename got2_section_ to special_.
2057         Add opd_ent_shndx_ and opd_ent_off_ vectors.
2058         (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
2059         scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
2060         (Target_powerpc): Add Address typedef and invalid_address.  Use
2061         throughout.
2062         (Target_powerpc::is_branch_reloc): New function.
2063         (Powerpc_relocate_functions): Add Address typedef, use throughout.
2064         (Powerpc_relocate_functions:rela, rela_ua): Correct type used
2065         for dst_mask, value and addend.
2066         (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
2067         (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
2068         (Output_data_glink::do_write): Correct toc base.  Don't try to use
2069         uint16_t for 24-bit offset.  Use get_output_section_offset and
2070         check return.
2071         (Target_powerpc::Scan::local): Handle more relocs.
2072         (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
2073         (Target_powerpc::Relocate::relocate): Correct toc base calculation.
2074         Plug in toc restoring insn after plt calls.  Translate branches
2075         to function descriptor symbols to corresponding entry point.
2076         (Target_powerpc::relocate_for_relocatable): Check return from
2077         get_output_section_offset.
2078         * symtab.h: Comment typo.
2079
2080 2012-08-14  Ian Lance Taylor  <iant@google.com>
2081
2082         * x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
2083         unsupported_relocal_local to call unsupported_reloc_global.
2084
2085 2012-08-14  Nick Clifton  <nickc@redhat.com>
2086
2087         PR ld/14265
2088         * script-sections.cc (Sections_element::output_section_name): Add
2089         keep return parameter.
2090         (Output_section_element::match_name): Add keep return parameter.
2091         Return the value of the keep_ member.
2092         * script-sections.h (class Output_section): Update
2093         output_section_name prototype.
2094         * layout.cc (Layout::keep_input_section): New public member
2095         function.
2096         (Layout::choose_output_section): Pass keep parameter to
2097         output_section_name.
2098         * layout.h (class Layout): Add keep_input_section.
2099         * object.cc (Sized_relobj_file::do_layout): Check for kept input
2100         sections.
2101         * testsuite/Makefile.am: Add a test.
2102         * testsuite/Makefile.in: Regenerate.
2103         * testsuite/pr14265.c: Source file for the test.
2104         * testsuite/pr14265.t: Linker script for the test.
2105         * testsuite/pr14265.sh: Shell script for the test.
2106
2107 2012-08-14  Alan Modra  <amodra@gmail.com>
2108
2109         * target.h (Target::output_section_name): New function.
2110         (Target::do_output_section_name): New function.
2111         * layout.cc (Layout::choose_output_section): Call the above.
2112         * powerpc.cc (Target_powerpc::do_output_section_name): New function.
2113
2114 2012-08-14  Alan Modra  <amodra@gmail.com>
2115
2116         * powerpc.cc: Update for renamed R_PPC_REL16 relocs.
2117         (Output_data_got_powerpc::do_write): Don't rely on base class lookup
2118         for replace_constant call.
2119         (Output_data_plt_powerpc::do_print_to_mapfile): New function.
2120         (Output_data_glink::do_print_to_mapfile): New function.
2121         (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
2122         (Target_powerpc::Relocate::relocate): Likewise.
2123
2124 2012-08-14  Alan Modra  <amodra@gmail.com>
2125
2126         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
2127         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
2128         (Output_data_glink::add_entry,find_entry): Remove shndx param.
2129         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
2130         all references to shndx_.  Handle special case for R_PPC_PLTREL24
2131         here.
2132         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
2133         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
2134         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
2135         here.
2136         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
2137         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
2138
2139 2012-08-12  Alan Modra  <amodra@gmail.com>
2140
2141         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
2142         (glink insn constants): Use uint32_t.
2143         (Output_data_glink::add_entry): Use insert, not [] operator.
2144
2145 2012-08-11  Alan Modra  <amodra@gmail.com>
2146
2147         * object.h (Sized_relobj_file::find_shdr): New function.
2148         (Sized_relobj_file::find_special_sections): New function.
2149         * object.cc (Sized_relobj_file::find_shdr): New function.
2150         (Sized_relobj_file::find_eh_frame): Use find_shdr.
2151         (Sized_relobj_file::find_special_sections): New function, split out..
2152         (Sized_relobj_file::do_read_symbols): ..from here.
2153         * output.h (Output_data_got::replace_constant): New function.
2154         (Output_data_got::num_entries): New function.
2155         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
2156         (Output_data_got::got_offset): Protected rather than private.
2157         (Output_data_got::replace_got_entry): New function.
2158         * output.cc (Output_data_got::replace_got_entry): New function.
2159         * powerpc.cc (class Powerpc_relobj): New.
2160         (class Powerpc_relocate_functions): Delete all psymval variants or
2161         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
2162         Implement _ha functions using corresponding _hi function.
2163         (Powerpc_relobj::find_special_sections): New function.
2164         (Target_powerpc::do_make_elf_object): New function.
2165         (class Output_data_got_powerpc): New.
2166         (class Output_data_glink): New.
2167         (class Powerpc_scan_relocatable_reloc): New.
2168         Many more changes througout file.
2169
2170 2012-08-09  Nick Clifton  <nickc@redhat.com>
2171
2172         * po/vi.po: Updated Vietnamese translation.
2173
2174 2012-08-07  Ian Lance Taylor  <iant@google.com>
2175
2176         * layout.cc (Layout::add_target_dynamic_tags): If
2177         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
2178         plt_rel.
2179
2180 2012-07-30  Nick Clifton  <nickc@redhat.com>
2181
2182         * po/gold.pot: Updated template.
2183         * po/es.po: Updated Spanish translation.
2184
2185 2012-07-18  Cary Coutant  <ccoutant@google.com>
2186
2187         PR gold/14344
2188         * configure.ac: Add check for -gpubnames support.
2189         * configure: Regenerate.
2190         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
2191         support; force -gno-pubnames.
2192         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
2193         support.
2194         (gdb_index_test_4): New test.
2195         * testsuite/Makefile.in: Regenerate.
2196         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
2197         * testsuite/gdb_index_test_2.sh: Likewise.
2198         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
2199         * testsuite/gdb_index_test_4.sh: New script.
2200         * testsuite/gdb_index_test_comm.sh: New script with common code;
2201         don't look for space after colon.
2202
2203 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
2204
2205         * gold.cc (queue_middle_tasks): Update function order only after
2206         deferred objects due to plugins are processed.
2207
2208 2012-07-11  Ian Lance Taylor  <iant@google.com>
2209
2210         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
2211         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
2212         (Target_arm::scan_reloc_for_stub): Likewise.
2213         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
2214         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
2215         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
2216         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
2217         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
2218
2219 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
2220             Ian Lance Taylor  <iant@google.com>
2221
2222         PR gold/14309
2223         * configure.ac: Test whether std::tr1::hash<off_t> works.
2224         * gold.h: Add a specialization for std::tr1::hash<off_t> if
2225         needed.
2226         * output.h (class Output_fill): Add virtual destructor.
2227         * configure, config.in: Rebuild.
2228
2229 2012-06-22  Roland McGrath  <mcgrathr@google.com>
2230
2231         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
2232
2233 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
2234
2235         * plugin.cc (Plugin::load): Handle position independent executables.
2236
2237 2012-06-06  Cary Coutant  <ccoutant@google.com>
2238
2239         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
2240         add .debug_macro.
2241         (lines_only_debug_sections): Likewise.
2242         (gdb_fast_lookup_sections): New static array.
2243         (is_gdb_debug_section): Rename formal parameter.
2244         (is_lines_only_debug_section): Likewise.
2245         (is_gdb_fast_lookup_section): New function.
2246         (Layout::include_section): Check for ".zdebug_" prefix; pass
2247         section name suffix to is_gdb_debug_section, et al.; check for
2248         fast-lookup sections when building .gdb_index.
2249         * options.h (--strip-debug-gdb): Update GDB version number.
2250
2251 2012-06-06  Cary Coutant  <ccoutant@google.com>
2252
2253         * configure.ac: Add check for fallocate.
2254         * configure: Regenerate.
2255         * config.in: Regenerate.
2256
2257         * options.h (class General_options): Add --mmap-output-file and
2258         --posix-fallocate options.
2259         * output.cc: (posix_fallocate): Remove; replace with...
2260         (gold_fallocate): New function.
2261         (Output_file::map_no_anonymous): Call gold_fallocate.
2262         (Output_file::map): Check --mmap-output-file option.
2263
2264 2012-06-05  Jing Yu  <jingyu@google.com>
2265
2266         * gold.h (textdomain): Add do {} to empty while(0).
2267         (bindtextdomain): Likewise.
2268
2269 2012-06-04  Cary Coutant  <ccoutant@google.com>
2270
2271         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
2272         has_dynsym_index.
2273
2274 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
2275
2276         * symtab.cc (Symbol_table::define_special_symbol):
2277         Initialize *poldsym to prevent uninitialized variable errors.
2278
2279 2012-05-23  Cary Coutant  <ccoutant@google.com>
2280
2281         * layout.cc (Layout::section_name_mapping): Add rules to handle
2282         exact match on .data.rel.ro.local or .data.rel.ro.
2283         (Layout::output_section_name): Check for exact matches.
2284
2285 2012-05-23  Cary Coutant  <ccoutant@google.com>
2286
2287         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
2288         more carefully.
2289
2290 2012-05-22  Cary Coutant  <ccoutant@google.com>
2291
2292         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
2293         object before exporting symbol.
2294
2295 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
2296
2297         * testsuite/tls_test.cc: Include "config.h" first.
2298         * testsuite/tls_test_c.c: Likewise.
2299
2300 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
2301             Nick Clifton  <nickc@redhat.com>
2302
2303         PR 14072
2304         * configure.in: Add check that sysdep.h has been included before
2305         any system header files.
2306         * configure: Regenerate.
2307         * config.in: Regenerate.
2308
2309 2012-05-14  Cary Coutant  <ccoutant@google.com>
2310
2311         * layout.cc (Layout::make_output_section): Mark .tdata section
2312         as RELRO.
2313         * testsuite/relro_test.cc: Add a TLS variable.
2314
2315 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
2316
2317         PR gold/14091
2318         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
2319         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
2320         R_X86_64_64.
2321
2322 2012-05-08  Cary Coutant  <ccoutant@google.com>
2323
2324         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
2325         (lines_only_debug_sections): Likewise.
2326
2327 2012-05-02  Roland McGrath  <mcgrathr@google.com>
2328
2329         * nacl.cc: New file.
2330         * nacl.h: New file.
2331         * Makefile.am (CCFILES, HFILES): Add them.
2332         * Makefile.in: Regenerate.
2333         * i386.cc (Output_data_plt_i386_nacl): New class.
2334         (Output_data_plt_i386_nacl_exec): New class.
2335         (Output_data_plt_i386_nacl_dyn): New class.
2336         (Target_i386_nacl): New class.
2337         (Target_selector_i386_nacl): New class.
2338         (target_selector_i386): Use it instead of Target_selector_i386.
2339         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
2340         (Target_x86_64_nacl): New class.
2341         (Target_selector_x86_64_nacl): New class.
2342         (target_selector_x86_64, target_selector_x32): Use it instead of
2343         Target_selector_x86_64.
2344         * arm.cc (Output_data_plt_arm_nacl): New class.
2345         (Target_arm_nacl): New class.
2346         (Target_selector_arm_nacl): New class.
2347         (target_selector_arm, target_selector_armbe): Use it instead of
2348         Target_selector_arm.
2349
2350         * target-select.cc (select_target): Take new Input_file* and off_t
2351         arguments, pass them on to recognize method of selector.
2352         * object.cc (make_elf_sized_object): Update caller.
2353         * parameters.cc (parameters_force_valid_target): Likewise.
2354         * incremental.cc (make_sized_incremental_binary): Likewise.
2355         * target-select.h: Update decl.
2356         (Target_selector::recognize): Take new Input_file* argument,
2357         pass it on to do_recognize.
2358         (Target_selector::do_recognize): Take new Input_file* argument.
2359         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
2360         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
2361         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
2362         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
2363
2364         * target.h (Target::Target_info): New members isolate_execinstr
2365         and rosegment_gap.
2366         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
2367         * arm.cc (Target_arm::arm_info): Update initializer.
2368         * i386.cc (Target_i386::i386_info): Likewise.
2369         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
2370         * sparc.cc (Target_sparc::sparc_info): Likewise.
2371         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
2372         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
2373         * layout.cc (Layout::attach_allocated_section_to_segment):
2374         Take new const Target* argument.  If target->isolate_execinstr(), act
2375         like --rosegment.
2376         (Layout::find_first_load_seg): Take new const Target* argument;
2377         if target->isolate_execinstr(), reject PF_X segments.
2378         (Layout::relaxation_loop_body): Update caller.
2379         (Layout::set_segment_offsets): If target->isolate_execinstr(),
2380         reset file offset to zero when we hit LOAD_SEG, and then do a second
2381         loop over the segments before LOAD_SEG to reassign offsets after
2382         addresses have been determined.  Handle target->rosegment_gap().
2383         (Layout::attach_section_to_segment): Take new const Target* argument;
2384         pass it to attach_allocated_section_to_segment.
2385         (Layout::make_output_section): Update caller.
2386         (Layout::attach_sections_to_segments): Take new const Target* argument;
2387         pass it to attach_section_to_segment.
2388         * gold.cc (queue_middle_tasks): Update caller.
2389         * layout.h (Layout): Update method decls with new arguments.
2390
2391         * arm.cc (Target_arm::Target_arm): Take optional argument for the
2392         Target_info pointer to use.
2393         (Target_arm::do_make_data_plt): New virtual method.
2394         (Target_arm::make_data_plt): New method that calls it.
2395         (Target_arm::make_plt_entry): Use it.
2396         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
2397         for the section alignment.
2398         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
2399         method.
2400         (Output_data_plt_arm::first_plt_entry_offset): Call it.
2401         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
2402         method.
2403         (Output_data_plt_arm::get_plt_entry_size): Call it.
2404         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
2405         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
2406         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
2407         method.
2408         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
2409         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
2410         method instead of sizeof(plt_entry).
2411         (Output_data_plt_arm::add_entry): Likewise.
2412         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
2413         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
2414         than static method.
2415         (Target_arm::plt_entry_size): Likewise.
2416         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
2417         Move to ...
2418         (Output_data_plt_arm_standard): ... here, new class.
2419         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
2420         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
2421         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
2422
2423         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
2424         Take additional argument for the PLT entry size.
2425         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
2426         Use get_plt_entry_size method rather than plt_entry_size variable.
2427         (Output_data_plt_x86_64::reserve_slot): Likewise.
2428         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
2429         (Output_data_plt_x86_64::add_entry): Likewise.
2430         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
2431         (Output_data_plt_x86_64::address_for_global): Likewise.
2432         (Output_data_plt_x86_64::address_for_local): Likewise.
2433         (Output_data_plt_x86_64::set_final_data_size): Likewise.
2434         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
2435         Make method non-static.
2436         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
2437         method.
2438         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
2439         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
2440         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
2441         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
2442         virtual method.
2443         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
2444         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
2445         virtual method.
2446         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
2447         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
2448         virtual method.
2449         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
2450         (Output_data_plt_x86_64::plt_entry_size)
2451         (Output_data_plt_x86_64::first_plt_entry)
2452         (Output_data_plt_x86_64::plt_entry)
2453         (Output_data_plt_x86_64::tlsdesc_plt_entry)
2454         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
2455         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
2456         (Output_data_plt_x86_64_standard): ... here, new class.
2457         (Target_x86_64::Target_x86_64): Take optional argument for the
2458         Target_info pointer to use.
2459         (Target_x86_64::do_make_data_plt): New virtual method.
2460         (Target_x86_64::make_data_plt): New method to call it.
2461         (Target_x86_64::init_got_plt_for_update): Use that.
2462         Call this->plt_->add_eh_frame method here.
2463         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
2464         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
2465         rather than static method.
2466         (Target_x86_64::plt_entry_size): Likewise.
2467         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
2468         rather than plt_entry_size variable.  Move guts of PLT filling to...
2469         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
2470         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
2471         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
2472
2473         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
2474         additional argument for the section alignment.
2475         Don't do add_eh_frame_for_plt here.
2476         (Output_data_plt_i386::first_plt_entry_offset): Make the method
2477         non-static.  Use get_plt_entry_size method rather than plt_entry_size
2478         variable.
2479         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
2480         method.
2481         (Output_data_plt_i386::get_plt_entry_size): Call it.
2482         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
2483         (Output_data_plt_i386::add_eh_frame): New method to call it.
2484         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
2485         method.
2486         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
2487         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
2488         method.
2489         (Output_data_plt_i386::fill_plt_entry): New method to call it.
2490         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
2491         method instead of plt_entry_size.
2492         (Output_data_plt_i386::plt_entry_size)
2493         (Output_data_plt_i386::plt_eh_frame_fde_size)
2494         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
2495         (Output_data_plt_i386_standard): ... here, new class.
2496         (Output_data_plt_i386_exec): New class.
2497         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
2498         (Output_data_plt_i386_exec::first_plt_entry): ... here.
2499         (Output_data_plt_i386::exec_plt_entry): Move to ...
2500         (Output_data_plt_i386_exec::plt_entry): ... here.
2501         (Output_data_plt_i386_dyn): New class.
2502         (Output_data_plt_i386::first_plt_entry): Move to ...
2503         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
2504         (Output_data_plt_i386::dyn_plt_entry): Move to ...
2505         (Output_data_plt_i386_dyn::plt_entry): ... here.
2506         (Target_i386::Target_i386): Take optional argument for the Target_info
2507         pointer to use.
2508         (Target_i386::do_make_data_plt): New virtual method.
2509         (Target_i386::make_data_plt): New method to call it.
2510         (Target_i386::make_plt_section): Use that.
2511         Call this->plt_->add_eh_frame method here.
2512         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
2513         rather than plt_entry_size variable.
2514         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
2515         (Output_data_plt_i386::address_for_local): Likewise.
2516         (Output_data_plt_i386::do_write): Likewise.
2517         Move guts of PLT filling to...
2518         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
2519         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
2520         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
2521         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
2522
2523 2012-05-01  Cary Coutant  <ccoutant@google.com>
2524
2525         * dwarf_reader.cc (Dwarf_die::read_attributes)
2526         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
2527         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
2528         * reduced_debug_output.cc
2529         (Output_reduced_debug_info_section::get_die_end): Remove
2530         DW_FORM_GNU_ref_index.  Add default case.
2531
2532 2012-04-26  Mark Wielaard  <mjw@redhat.com>
2533
2534         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
2535         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
2536         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
2537         DW_AT_high_pc as offset from DW_AT_low_pc.
2538
2539         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
2540         * testsuite/Makefile.in: Regenerate.
2541         * testsuite/gdb_index_test_3.c: New test source file.
2542         * testsuite/gdb_index_test_3.sh: New test source file.
2543
2544 2012-04-25  Ian Lance Taylor  <iant@google.com>
2545
2546         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
2547         pointer.
2548         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
2549         as a class, not a struct.
2550         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
2551         (Target_arm::apply_cortex_a8_workaround): Likewise.
2552         * gc.h: Declare Reloc_types as a struct, not a class.
2553         * object.h: Declare Symbols_data as a struct.
2554         * reloc.h: Declare Read_relocs_data as a struct.
2555         * target.h: Declare Relocate_info as a struct.
2556
2557 2012-04-24  David S. Miller  <davem@davemloft.net>
2558
2559         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
2560         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
2561         and R_SPARC_WPLT30.
2562
2563 2012-04-24  Cary Coutant  <ccoutant@google.com>
2564
2565         * incremental-dump.cc (find_input_containing_global): Replace
2566         magic number with symbolic constant.
2567         (dump_incremental_inputs): Update version number.
2568         * incremental.cc (Output_section_incremental_inputs): Update version
2569         number; import symbolic constants from Incremental_inputs_reader.
2570         (Incremental_inputs::create_data_sections): Align relocations
2571         section correctly for 64-bit targets.
2572         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
2573         constants; add padding.
2574         (Output_section_incremental_inputs::write_header): Add assert for
2575         header_size.
2576         (Output_section_incremental_inputs::write_input_files): Add assert
2577         for input_entry_size.
2578         (Output_section_incremental_inputs::write_info_blocks): Add padding;
2579         add assert for object_info_size, input_section_entry_size,
2580         global_sym_entry_size.
2581         * incremental.h (Incremental_inputs_reader): Add symbolic constants
2582         for data structure sizes; use them.
2583         (Incremental_input_entry_reader): Import symbolic constants from
2584         Incremental_inputs_reader; use them.
2585
2586 2012-04-23  David S. Miller  <davem@davemloft.net>
2587
2588         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
2589         and elf_flags_set_.
2590         (Target_sparc::Target_sparc): Initialize new fields.
2591         (Target_sparc::do_make_elf_object): New function.
2592         (Target_sparc::do_adjust_elf_header): New function.
2593
2594 2012-04-23  Cary Coutant  <ccoutant@google.com>
2595
2596         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
2597         CU range table of gdb index.
2598
2599 2012-04-20  David S. Miller  <davem@davemloft.net>
2600
2601         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
2602         instead of false.
2603
2604 2012-04-16  David S. Miller  <davem@davemloft.net>
2605
2606         * sparc.cc (Target_sparc::got_address): New function.
2607         (Sparc_relocate_functions::gdop_hix22): New function.
2608         (Sparc_relocate_functions::gdop_lox10): New function.
2609         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
2610         relocs.
2611         (Target_sparc::Scan::local): Likewise if the global symbol is not
2612         preemptible and is not IFUNC.
2613         (Target_sparc::Relocate::relocate): Perform GOTDATA code
2614         transformations for local and non-preemptible non-IFUNC global
2615         symbols.
2616
2617         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
2618         writing out 64-bit part of ranges.
2619
2620         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
2621         -fpic and -fpie respectively.
2622         * Makefile.in: Regenerate.
2623
2624         * sparc.cc (class Target_sparc): Add rela_ifunc_.
2625         (Target_sparc::Target_sparc): Initialize new field.
2626         (Target_sparc::do_plt_section_for_global): New function.
2627         (Target_sparc::do_plt_section_for_local): New function.
2628         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
2629         (Target_sparc::make_plt_section): New function, broken out of
2630         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
2631         (Target_sparc::make_plt_entry): Call make_plt_section.
2632         (Target_sparc::make_local_ifunc_plt_entry): New function.
2633         (Target_sparc::rela_ifunc_section): New function.
2634         (Target_sparc::plt_section): Remove const.
2635         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
2636         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
2637         and ifunc_count_ fields.
2638         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
2639         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
2640         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
2641         (Output_data_plt_sparc::rela_ifunc): New function.
2642         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
2643         (Output_data_plt_sparc::has_ifunc_section): New function.
2644         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
2645         (Output_data_plt_sparc::address_for_global): New function.
2646         (Output_data_plt_sparc::address_for_local): New function.
2647         (Output_data_plt_sparc::plt_index_to_offset): New function.
2648         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
2649         and entry_count.
2650         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
2651         entry_count.
2652         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
2653         R_SPARC_JMP_IREL to switch.
2654         (Target_sparc::Scan::check_non_pic): Likewise.
2655         (Target_sparc::Scan::local): Handle IFUNC symbols.
2656         (Target_sparc::Scan::local): Likewise.
2657         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
2658         and plt_address_for_local.
2659         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
2660         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
2661
2662         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
2663         (class Output_data_reloc): Adjust calls to Output_reloc_type.
2664         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
2665         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
2666         global relocs too.
2667         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
2668         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
2669         calls.
2670         * sparc.cc (Target_sparc::Scan::global): Likewise.
2671         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2672
2673 2012-04-16  Cary Coutant  <ccoutant@google.com>
2674
2675         * archive.cc (Library_base::should_include_member): Check for
2676         --export-dynamic-symbol.
2677         * options.h (class General_options): Add --export-dynamic-symbol.
2678         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
2679         --export-dynamic-symbol.
2680         (Symbol_table::gc_mark_undef_symbols): Likewise.
2681         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
2682
2683 2012-04-12  David S. Miller  <davem@davemloft.net>
2684
2685         * sparc.cc (Reloc::wdisp10): New relocation method.
2686         (Reloc::h34): Likewise.
2687         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
2688         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
2689         R_SPARC_WDISP10.
2690         (Target_sparc::Scan::local): Likewise.
2691         (Target_sparc::Scan::global): Likewise.
2692         (Target_sparc::Relocate::relocate): Likewise.
2693
2694 2012-04-09  Cary Coutant  <ccoutant@google.com>
2695
2696         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
2697         low_pc == 0.
2698
2699 2012-04-06  Ian Lance Taylor  <iant@google.com>
2700
2701         * timer.cc: #include <unistd.h>.
2702
2703 2012-04-06  Roland McGrath  <mcgrathr@google.com>
2704
2705         * configure.in (AC_CHECK_HEADERS): Add locale.h.
2706         * config.in: Regenerate.
2707         * configure: Regenerate.
2708
2709 2012-04-05  Nick Clifton  <nickc@redhat.com>
2710
2711         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
2712         (AM_LC_MESSAGES): Add.
2713         * aclocal.m4: Regenerate.
2714         * config.in: Regenerate.
2715         * configure: Regenerate.
2716
2717 2012-03-21  Cary Coutant  <ccoutant@google.com>
2718
2719         * Makefile.am: Add gdb-index.cc, gdb-index.h.
2720         * Makefile.in: Regenerate.
2721         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
2722         (Sized_elf_reloc_mapper::symbol_section): New function.
2723         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
2724         (make_elf_reloc_mapper): New function.
2725         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
2726         (Dwarf_abbrev_table::do_read_abbrevs): New function.
2727         (Dwarf_abbrev_table::do_get_abbrev): New function.
2728         (Dwarf_ranges_table::read_ranges_table): New function.
2729         (Dwarf_ranges_table::read_range_list): New function.
2730         (Dwarf_pubnames_table::read_section): New function.
2731         (Dwarf_pubnames_table::read_header): New function.
2732         (Dwarf_pubnames_table::next_name): New function.
2733         (Dwarf_die::Dwarf_die): New function.
2734         (Dwarf_die::read_attributes): New function.
2735         (Dwarf_die::skip_attributes): New function.
2736         (Dwarf_die::set_name): New function.
2737         (Dwarf_die::set_linkage_name): New function.
2738         (Dwarf_die::attribute): New function.
2739         (Dwarf_die::string_attribute): New function.
2740         (Dwarf_die::int_attribute): New function.
2741         (Dwarf_die::uint_attribute): New function.
2742         (Dwarf_die::ref_attribute): New function.
2743         (Dwarf_die::child_offset): New function.
2744         (Dwarf_die::sibling_offset): New function.
2745         (Dwarf_info_reader::check_buffer): New function.
2746         (Dwarf_info_reader::parse): New function.
2747         (Dwarf_info_reader::do_parse): New function.
2748         (Dwarf_info_reader::do_read_string_table): New function.
2749         (Dwarf_info_reader::lookup_reloc): New function.
2750         (Dwarf_info_reader::get_string): New function.
2751         (Dwarf_info_reader::visit_compilation_unit): New function.
2752         (Dwarf_info_reader::visit_type_unit): New function.
2753         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
2754         Sized_elf_reloc_mapper.
2755         (Sized_dwarf_line_info::symbol_section): Remove function.
2756         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
2757         (Sized_dwarf_line_info::read_line_mappings): Remove object
2758         parameter, adjust callers.
2759         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
2760         * dwarf_reader.h: Include <sys/types.h>.
2761         (class Track_relocs): Remove forward declaration.
2762         (class Elf_reloc_mapper): New class.
2763         (class Sized_elf_reloc_mapper): New class.
2764         (class Dwarf_abbrev_table): New class.
2765         (class Dwarf_range_list): New class.
2766         (class Dwarf_ranges_table): New class.
2767         (class Dwarf_pubnames_table): New class.
2768         (class Dwarf_die): New class.
2769         (class Dwarf_info_reader): New class.
2770         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
2771         (Sized_dwarf_line_info::symbol_section): Remove member function.
2772         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
2773         base class.
2774         * gdb-index.cc: New source file.
2775         * gdb-index.h: New source file.
2776         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
2777         and .debug_types sections, call Layout::add_to_gdb_index.
2778         (Sized_relobj_incr::do_section_name): Implement.
2779         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
2780         return type; Implement.
2781         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
2782         return type.
2783         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
2784         parameter list and return type.
2785         (Sized_incr_dynobj::do_section_contents): Likewise.
2786         * layout.cc: Include gdb-index.h.
2787         (Layout::Layout): Initialize gdb_index_data_.
2788         (Layout::init_fixed_output_section): Check for .gdb_index section.
2789         (Layout::add_to_gdb_index): New function. Instantiate.
2790         * layout.h: Add forward declaration for class Gdb_index.
2791         (Layout::add_to_gdb_index): New member function.
2792         (Layout::gdb_index_data_): New data member.
2793         * main.cc: Include gdb-index.h.
2794         (main): Print statistics for gdb index.
2795         * object.cc (Object::section_contents): Move code into
2796         do_section_contents.
2797         (need_decompressed_section): Check for sections needed when building
2798         gdb index.
2799         (build_compressed_section_map): Likewise.
2800         (Sized_relobj_file::do_read_symbols): Need local symbols when building
2801         gdb index.
2802         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
2803         sections; call Layout::add_to_gdb_index.
2804         (Sized_relobj_file::do_decompressed_section_contents): Call
2805         do_section_contents directly.
2806         * object.h (Object::do_section_contents): Adjust parameter list and
2807         return type.
2808         (Object::do_decompressed_section_contents): Call do_section_contents
2809         directly.
2810         (Sized_relobj_file::do_section_contents): Adjust parameter list and
2811         return type.
2812         * options.h (class General_options): Add --gdb-index option.
2813         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
2814         list and return type.
2815         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
2816         * reloc.h (Track_relocs::checkpoint): New function.
2817         (Track_relocs::reset): New function.
2818
2819         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
2820         New test cases.
2821         * testsuite/Makefile.in: Regenerate.
2822         * testsuite/gdb_index_test.cc: New test source file.
2823         * testsuite/gdb_index_test_1.sh: New test source file.
2824         * testsuite/gdb_index_test_2.sh: New test source file.
2825
2826 2012-03-19  Doug Kwan  <dougkwan@google.com>
2827
2828         * arm.cc (Target_arm::do_define_standard_symbols): New method.
2829         (Target_arm::do_finalize_sections): Remove code which defines
2830         __exidx_start and __exidx_end.  Make symbol table parameter
2831         anonymous as it is not used.
2832         * gold.cc (queue_middle_tasks): Call target hook to define any
2833         target-specific symbols.
2834         * target.h (Target::define_standard_symbols): New method.
2835         (Target::do_define_standard_symbols): Same.
2836         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
2837         * testsuite/Makefile.in: Regenerate.
2838         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
2839         and __exidx_end.
2840         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
2841         relocations are generated for __exidx_start and __exidx_end.
2842
2843 2012-03-16  Doug Kwan  <dougkwan@google.com>
2844
2845         * testsuite/Makefile.am: Disable test initpri3b.
2846         * testsuite/Makefile.in: Regenerate.
2847
2848 2012-03-15  Doug Kwan  <dougkwan@google.com>
2849
2850         * arm.cc (Target_arm::got_section): Make .got section read-only
2851         if -z now is given.
2852
2853 2012-03-15  Ian Lance Taylor  <iant@google.com>
2854
2855         PR gold/13850
2856         * layout.cc (Layout::make_output_section): Correctly mark
2857         SHT_INIT_ARRAY, et. al., as relro.
2858
2859 2012-03-14  Doug Kwan  <dougkwan@google.com>
2860
2861         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
2862         dynamic relocations for protected symbols in shared objects.
2863
2864 2012-03-13  Ian Lance Taylor  <iant@google.com>
2865
2866         * resolve.cc (Symbol_table::resolve): When merging common symbols,
2867         keep the larger alignment.
2868
2869 2012-03-12  Cary Coutant  <ccoutant@google.com>
2870
2871         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
2872         handling of DW_LNE_define_file.
2873
2874 2012-03-12  Cary Coutant  <ccoutant@google.com>
2875
2876         * reduced_debug_output.cc
2877         (Output_reduced_debug_info_section::get_die_end): Add new FORM
2878         codes to switch.
2879
2880 2012-02-29  Cary Coutant  <ccoutant@google.com>
2881
2882         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
2883
2884 2012-02-29  Cary Coutant  <ccoutant@google.com>
2885
2886         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2887         Call Object::decompressed_section_contents.
2888         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
2889         New dtor.
2890         (Sized_dwarf_line_info::buffer_start_): New data member.
2891         * merge.cc (Output_merge_data::do_add_input_section): Call
2892         Object::decompressed_section_contents.
2893         (Output_merge_string::do_add_input_section): Likewise.
2894         * object.cc (need_decompressed_section): New function.
2895         (build_compressed_section_map): Decompress sections needed later.
2896         (Sized_relobj_file::do_decompressed_section_contents): New function.
2897         (Sized_relobj_file::do_discard_decompressed_sections): New function.
2898         * object.h (Object::decompressed_section_contents): New function.
2899         (Object::discard_decompressed_sections): New function.
2900         (Object::do_decompressed_section_contents): New function.
2901         (Object::do_discard_decompressed_sections): New function.
2902         (Compressed_section_info): New type.
2903         (Compressed_section_map): Include decompressed section contents.
2904         (Sized_relobj_file::do_decompressed_section_contents): New function.
2905         (Sized_relobj_file::do_discard_decompressed_sections): New function.
2906
2907 2012-02-16  Cary Coutant  <ccoutant@google.com>
2908
2909         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
2910         * testsuite/Makefile.in: Regenerate.
2911
2912 2012-02-14  Cary Coutant  <ccoutant@google.com>
2913
2914         * options.cc (General_options::finalize): Disallow -pie and -static.
2915
2916 2012-02-03  Doug Kwan  <dougkwan@google.com>
2917
2918         * arm.cc (Arm_relocate_functions::abs8,
2919         Arm_relocate_functions::abs16): Use
2920         Bits::has_signed_unsigned_overflow32.
2921         (Arm_relocate_functions::thm_abs8): Correct range of
2922         overflow check.
2923         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
2924         in assertions.
2925
2926 2012-02-02  Doug Kwan  <dougkwan@google.com>
2927
2928         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
2929         position independent outputs, not just shared objects.
2930
2931 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
2932
2933         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
2934         * configure: Regenerated.
2935
2936 2012-01-27  Ian Lance Taylor  <iant@google.com>
2937
2938         * reloc.h (Bits): New class with static functions, copied from
2939         namespace utils in arm.cc.
2940         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
2941         instead.
2942
2943 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2944
2945         * incremental.cc (write_info_blocks): Correct relocation offset.
2946
2947 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2948
2949         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
2950         (Relocate::tls_gd_to_le): Likewise.
2951
2952 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2953
2954         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
2955
2956 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2957
2958         * configure.ac: Check if -mcmodel=medium works.
2959         * configure: Regenerated.
2960
2961 2012-01-24  Cary Coutant  <ccoutant@google.com>
2962
2963         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
2964         definition and ...
2965         (read_unsigned_LEB_128_x): ... this new function.
2966         (read_signed_LEB_128): Replaced with inline definition and ...
2967         (read_signed_LEB_128_x): ... this new function.
2968         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
2969         (read_unsigned_LEB_128): Add inline definition.
2970         (read_signed_LEB_128_x): New function.
2971         (read_signed_LEB_128): Add inline definition.
2972         * testsuite/Makefile.am (leb128_unittest): New unit test.
2973         * testsuite/Makefile.in: Regenerate.
2974         * testsuite/leb128_unittest.cc: New unit test.
2975
2976 2012-01-23  Ian Lance Taylor  <iant@google.com>
2977
2978         PR gold/13617
2979         * i386.cc (Target_i386::do_code_fill): When using a jmp
2980         instruction, pad with nop instructions.
2981         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
2982
2983 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2984
2985         * x86_64.cc (gc_process_relocs): Add typename on types used in
2986         template.
2987         (scan_relocs): Likewise.
2988         (relocate_section): Likewise.
2989         (apply_relocation): Likewise.
2990
2991 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
2992
2993         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
2994         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
2995         under x32.
2996
2997 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
2998
2999         * x86_64.cc: Initial support for x32.
3000
3001 2012-01-03  Cary Coutant  <ccoutant@google.com>
3002
3003         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
3004         Use abstract base class for GOT.
3005         * gold/output.h (class Output_data_got_base): New abstract base class.
3006         (class Output_data_got): Derive from new base class, adjust ctors.
3007         (Output_data_got::reserve_slot): Make virtual; rename to
3008         do_reserve_slot; Adjust callers.
3009         * gold/target.h (Sized_target::init_got_plt_for_update): Return
3010         pointer to abstract base class.
3011         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
3012
3013 2011-12-18  Ian Lance Taylor  <iant@google.com>
3014
3015         * object.h (Relobj::local_symbol_value): New function.
3016         (Relobj::local_plt_offset): New function.
3017         (Relobj::local_has_got_offset): New function.
3018         (Relobj::local_got_offset): New function.
3019         (Relobj::set_local_got_offset): New function.
3020         (Relobj::do_local_symbol_value): New pure virtual function.
3021         (Relobj::do_local_plt_offset): Likewise.
3022         (Relobj::do_local_has_got_offset): Likewise.
3023         (Relobj::do_local_got_offset): Likewise.
3024         (Relobj::do_set_local_got_offset): Likewise.
3025         (Sized_relobj::do_local_has_got_offset): Rename from
3026         local_has_got_offset.
3027         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
3028         (Sized_relobj::do_set_local_got_offset): Rename from
3029         set_local_got_offset.
3030         (Sized_relobj_file::do_local_plt_offset): Rename from
3031         local_plt_offset.
3032         (Sized_relobj_file::do_local_symbol_value): New function.
3033         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
3034         local_plt_offset.
3035         * output.cc (Output_data_got::Got_entry::write): Change object to
3036         Relobj.  Use local_symbol_value.
3037         (Output_data_got::add_global_with_rel): Change rel_dyn to
3038         Output_data_reloc_generic*.  Use add_global_generic.
3039         (Output_data_got::add_global_with_rela): Remove.  Change all
3040         callers to use add_global_with_rel.
3041         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
3042         Output_data_reloc_generic*.  Use add_global_generic.
3043         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
3044         callers to use add_global_pair_with_rel.
3045         (Output_data_got::add_local): Change object to Relobj*.
3046         (Output_data_got::add_local_plt): Likewise.
3047         (Output_data_got::add_local_with_rel): Change object to Relobj*,
3048         change rel_dyn to Output_data_reloc_generic*.  Use
3049         add_local_generic.
3050         (Output_data_got::add_local_with_rela): Remove.  Change all
3051         callers to use all_local_with_rel.
3052         (Output_data_got::add_local_pair_with_rel): Change object to
3053         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
3054         add_output_section_generic.
3055         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
3056         callers to use add_local_pair_with_rel.
3057         (Output_data_got::reserve_local): Change object to Relobj*.
3058         * output.h: (class Output_data_reloc_generic): Add pure virtual
3059         declarations for add_global_generic, add_local_generic,
3060         add_output_section_generic.
3061         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
3062         functions for Output_data_reloc_generic.  Update declarations for
3063         changes listed in output.cc.
3064         (class Output_data_got): Change template parameter to got_size.
3065         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
3066         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
3067         function.
3068         (Sized_relobj_incr::do_local_plt_offset): New function.
3069         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
3070         add_global_generic.
3071
3072 2011-12-17  Cary Coutant  <ccoutant@google.com>
3073
3074         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
3075         * resolve.cc (Symbol_table::resolve): Likewise.
3076         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
3077         arrays.
3078         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
3079
3080 2011-12-16  Ian Lance Taylor  <iant@google.com>
3081
3082         * output.h (Output_data_reloc_generic::add): Only call
3083         add_dynamic_reloc if this is a dynamic reloc section.
3084
3085 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
3086
3087         PR gold/13505
3088         * target-reloc.h (apply_relocation): Replace <64, false> with
3089         <size, big_endian>.
3090
3091 2011-11-25  Nick Clifton  <nickc@redhat.com>
3092
3093         * po/it.po: New Italian translation.
3094
3095 2011-11-17  Sterling Augustine  <saugustine@google.com>
3096
3097         * script.cc (script_include_directive): Implement.
3098         (read_script_file): New local variables name and search_path. Update
3099         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
3100         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
3101         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
3102
3103 2011-11-11  Sterling Augustine  <saugustine@google.com>
3104
3105         * yyscript.y (section_cmd): Add support for INCLUDE directive.
3106         (file_or_sections_cmd): Likewise.
3107
3108 2011-11-11  Doug Kwan  <dougkwan@google.com>
3109
3110         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
3111         if --just-symbols is given.
3112
3113 2011-11-10  Doug Kwan  <dougkwan@google.com>
3114
3115         PR gold/13362
3116         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
3117         when processing data relocs.
3118         * reloc.h (Relocate_functions::rel_unaligned): New method.
3119         (Relocate_functions::pcrel_unaligned): Ditto.
3120         (Relocate_functions::rel32_unaligned): Ditto.
3121         (Relocate_functions::pcrel32_unaligned): Ditto.
3122
3123 2011-11-09  Doug Kwan  <dougkwan@google.com>
3124
3125         PR gold/13362
3126         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
3127         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
3128         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
3129         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
3130         (Relocate_functions::rel_unaligned): New.
3131         (Relocate_functions::rel32_unaligned): New.
3132         * target-reloc.h (relocate_for_relocatable): Add code to handle
3133         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
3134         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
3135         arm_unaligned_reloc_r): New targets.
3136         * testsuite/Makefile.in: Regenerate.
3137         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
3138         linking.
3139
3140 2011-11-02  Ian Lance Taylor  <iant@google.com>
3141
3142         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
3143         NATIVE_LINKER.
3144         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
3145         * options.cc (General_options::finalize): Use library search path
3146         from configure script if specified.  If not native and no sysroot,
3147         only search TOOLLIBDIR.
3148         * options.h (Search_directory::Search_directory): Change name to
3149         const std::string&.
3150         (General_options::add_to_library_path_with_sysroot): Change arg to
3151         const std::string&.
3152         * configure, Makefile.in, config.in: Rebuild.
3153
3154 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3155
3156         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
3157         we are working around the ARM1176 Erratum.
3158         * options.h (General_options::fix_arm1176): Add option.
3159         * testsuite/Makefile.am: Add testcases, and keep current ones
3160         working.
3161         * testsuite/Makefile.in: Regenerate.
3162         * testsuite/arm_fix_1176.s: New file.
3163         * testsuite/arm_fix_1176.sh: Likewise.
3164
3165 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
3166
3167         * arm.cc (Target_arm::Target_arm): Remove initialisation of
3168         may_use_blx_.
3169         (Target_arm::may_use_blx): Remove method.
3170         (Target_arm::set_may_use_blx): Likewise.
3171         (Target_arm::may_use_v4t_interworking): New method.
3172         (Target_arm::may_use_v5t_interworking): Likewise.
3173         (Target_arm::may_use_blx_): Remove member variable.
3174         (Arm_relocate_functions::arm_branch_common): Check for v5T
3175         interworking.
3176         (Arm_relocate_functions::thumb_branch_common): Likewise.
3177         (Reloc_stub::stub_type_for_reloc): Likewise.
3178         (Target_arm::do_finalize_sections): Correct interworking checks.
3179         * testsuite/Makefile.am: Add new tests.
3180         * testsuite/Makefile.in: Regenerate.
3181         * testsuite/arm_farcall_arm_arm.s: New test.
3182         * testsuite/arm_farcall_arm_arm.sh: Likewise.
3183         * testsuite/arm_farcall_arm_thumb.s: Likewise.
3184         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
3185         * testsuite/arm_farcall_thumb_arm.s: Likewise.
3186         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
3187         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
3188         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
3189
3190 2011-10-31  Cary Coutant  <ccoutant@google.com>
3191
3192         PR gold/13023
3193         * expression.cc (Expression::eval_with_dot): Add
3194         is_section_dot_assignment parameter.
3195         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
3196         absolute and assigning to dot within a section.
3197         * script-sections.cc
3198         (Output_section_element_assignment::set_section_addresses): Pass
3199         dot_section to set_if_absolute.
3200         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
3201         as is_section_dot_assignment flag to eval_with_dot.
3202         (Output_section_element_dot_assignment::set_section_addresses):
3203         Likewise.
3204         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
3205         parameter.  Also set value if relative to dot_section; set the
3206         symbol's output_section.
3207         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
3208         parameter.  Adjust all callers.
3209         (Expression::eval_maybe_dot): Likewise.
3210         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
3211         Adjust all callers.
3212         * testsuite/script_test_2.t: Test assignment of an absolute value
3213         to dot within an output section element.
3214
3215 2011-10-31  Cary Coutant  <ccoutant@google.com>
3216
3217         * options.h (class General_options): Add --[no-]gnu-unique options.
3218         * symtab.cc (Symbol_table::sized_write_globals): Convert
3219         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
3220
3221 2011-10-31  Cary Coutant  <ccoutant@google.com>
3222
3223         PR gold/13359
3224         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
3225         unnecessary assertion.
3226         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
3227
3228 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
3229
3230         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
3231         gc_mark_symbol.
3232         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
3233         gc_mark_symbol.
3234         Change to just keep the section associated with symbol.
3235         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
3236         they are externally visible and --export-dynamic is turned on.
3237         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
3238
3239 2011-10-19  Ian Lance Taylor  <iant@google.com>
3240
3241         PR gold/13163
3242         * script-sections.cc
3243         (Output_section_element_dot_assignment::needs_output_section): New
3244         function.
3245
3246 2011-10-19  Ian Lance Taylor  <iant@google.com>
3247
3248         PR gold/13204
3249         * layout.cc (Layout::segment_precedes): Don't assert failure if a
3250         --section-start option was seen.
3251         * options.h (General_options::any_section_start): New function.
3252
3253 2011-10-18  David S. Miller  <davem@davemloft.net>
3254
3255         PR binutils/13301
3256         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
3257         member to track relocation locations that have moved during TLS
3258         reloc optimizations.
3259         (Target_sparc::Relocate::Relocate): Initialize to NULL.
3260         (Target_sparc::Relocate::relocate): Adjust view down by 4
3261         bytes if it matches reloc_adjust_addr_.
3262         (Target_sparc::Relocate::relocate_tls): Always move the
3263         __tls_get_addr call delay slot instruction forward 4 bytes when
3264         performing relaxation.
3265
3266 2011-10-18  Cary Coutant  <ccoutant@google.com>
3267
3268         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
3269         (Output_file::map_no_anonymous): Check for non-zero
3270         return code from posix_fallocate.
3271
3272 2011-10-17  Cary Coutant  <ccoutant@google.com>
3273
3274         PR gold/13245
3275         * plugin.cc (is_visible_from_outside): Check for symbols
3276         referenced from dynamic objects.
3277         * resolve.cc (Symbol_table::resolve): Don't count references
3278         from dynamic objects as references from real ELF files.
3279         * testsuite/plugin_test_2.sh: Adjust expected result.
3280
3281 2011-10-17  Cary Coutant  <ccoutant@google.com>
3282
3283         * gold.cc: Include timer.h.
3284         (queue_middle_tasks): Stamp time.
3285         (queue_final_tasks): Likewise.
3286         * main.cc (main): Store timer in parameters.  Print timers
3287         for each pass.
3288         * parameters.cc (Parameters::Parameters): Initialize timer_.
3289         (Parameters::set_timer): New function.
3290         (set_parameters_timer): New function.
3291         * parameters.h (Parameters::set_timer): New function.
3292         (Parameters::timer): New function.
3293         (Parameters::timer_): New data member.
3294         (set_parameters_timer): New function.
3295         * timer.cc (Timer::stamp): New function.
3296         (Timer::get_pass_time): New function.
3297         * timer.h (Timer::stamp): New function.
3298         (Timer::get_pass_time): New function.
3299         (Timer::pass_times_): New data member.
3300
3301 2011-10-17  Cary Coutant  <ccoutant@google.com>
3302
3303         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
3304         task for members of lib groups.
3305
3306 2011-10-17  Cary Coutant  <ccoutant@google.com>
3307
3308         PR gold/13288
3309         * fileread.cc (File_read::find_view): Add assert.
3310         (File_read::make_view): Move bounds check (replace with assert)...
3311         (File_read::find_or_make_view): ... to here.
3312
3313 2011-10-12  Cary Coutant  <ccoutant@google.com>
3314
3315         * output.cc (Output_file::open_base_file): Handle case where
3316         ::read returns less than requested size.
3317
3318 2011-10-10  Cary Coutant  <ccoutant@google.com>
3319
3320         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
3321         Initialize defined_count_.
3322         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
3323         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
3324         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
3325         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
3326         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
3327         * incremental.h (Sized_relobj_incr::defined_count_): New data
3328         member.
3329         (Sized_incr_dynobj::defined_count_): New data member.
3330         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
3331         Return zeroes instead of internal error.
3332
3333 2011-10-10  Cary Coutant  <ccoutant@google.com>
3334
3335         PR gold/13249
3336         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
3337         (Output_reloc::symbol_value): Return PLT offset if flag is set.
3338         * output.h (class Output_reloc): Add use_plt_offset flag.
3339         (Output_reloc::type_): Adjust size of bit field.
3340         (Output_reloc::use_plt_offset_): New bit field.
3341         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
3342         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
3343         flag.  Adjust all callers.
3344         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
3345         creating RELATIVE relocations.
3346
3347 2011-10-10  Nick Clifton  <nickc@redhat.com>
3348
3349         * po/es.po: Updated Spanish translation.
3350         * po/fi.po: Updated Finnish translation.
3351
3352 2011-10-03   Diego Novillo  <dnovillo@google.com>
3353
3354         * options.cc (parse_uint): Fix dereference of RETVAL.
3355
3356 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
3357
3358         * layout.h (section_order_map_): New member.
3359         (get_section_order_map): New member function.
3360         * output.cc (Output_section::add_input_section): Check for patterns
3361         only when --section-ordering-file is specified.
3362         * gold.cc (queue_middle_tasks): Delay updating order of sections till
3363         output_sections have been formed.
3364         * layout.cc (Layout_Layout): Initialize section_order_map_.
3365         * plugin.cc (update_section_order): Store order in order_map. Do not
3366         update the order.
3367         * testsuite/Makefile.am: Add test case for plugin_final_layout.
3368         * testsuite/Makefile.in: Regenerate.
3369         * testsuite/plugin_section_order.c: New file.
3370         * testsuite/plugin_final_layout.cc: New file.
3371         * testsuite/plugin_final_layout.sh: New file.
3372
3373 2011-09-29  Cary Coutant  <ccoutant@google.com>
3374
3375         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
3376         Check for NULL.
3377         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
3378         symbols during incremental update.
3379         (Symbol_table::add_from_dynobj): Likewise.
3380
3381 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3382             Ian Lance Taylor  <iant@google.com>
3383
3384         * symtab.cc (Symbol_table::define_special_symbol): Always
3385         canonicalize version string.
3386
3387 2011-09-26  Cary Coutant  <ccoutant@google.com>
3388
3389         * gold.cc (queue_initial_tasks): Move option checks ...
3390         * options.cc (General_options::finalize): ... to here. Disable
3391         some options; make others fatal.
3392
3393 2011-09-26  Cary Coutant  <ccoutant@google.com>
3394
3395         gcc PR lto/47247
3396         * plugin.cc (get_symbols_v2): New function.
3397         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
3398         (is_referenced_from_outside): New function.
3399         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
3400         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
3401         (get_symbols): Pass version parameter.
3402         (get_symbols_v2): New function.
3403         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
3404         parameter.
3405         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
3406         (onload): Add LDPT_GET_SYMBOLS_V2.
3407         (all_symbols_read_hook): Use get_symbols_v2; check for
3408         LDPR_PREVAILING_DEF_IRONLY_EXP.
3409         * testsuite/plugin_test_3.sh: Update expected results.
3410
3411 2011-09-23  Simon Baldwin  <simonb@google.com>
3412
3413         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
3414         configuration options.
3415         * configure: Regenerate.
3416         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
3417         * Makefile.in: Regenerate.
3418         * testsuite/Makefile.in: Regenerate.
3419
3420 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
3421
3422         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
3423
3424 2011-09-19  Cary Coutant  <ccoutant@google.com>
3425
3426         * incremental.cc (can_incremental_update): Fix typo in comment.
3427         * incremental.h (can_incremental_update): Likewise.
3428
3429 2011-09-18  Cary Coutant  <ccoutant@google.com>
3430
3431         * incremental.cc (can_incremental_update): New function.
3432         * incremental.h (can_incremental_update): New function.
3433         * layout.cc (Layout::init_fixed_output_section): Call it.
3434         (Layout::make_output_section): Don't allow patch space in .eh_frame.
3435         * object.cc (Sized_relobj_file::do_layout): Call
3436         can_incremental_update.
3437
3438 2011-09-13  Cary Coutant  <ccoutant@google.com>
3439
3440         * configure.ac: Check for glibc support for gnu_indirect_function
3441         support with static linking, setting automake conditional
3442         IFUNC_STATIC.
3443         * Makefile.in: Regenerate.
3444         * configure: Regenerate.
3445
3446         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
3447         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
3448         for IFUNC_STATIC.
3449         * testsuite/Makefile.in: Regenerate.
3450
3451 2011-09-13  Cary Coutant  <ccoutant@google.com>
3452
3453         * incremental.cc (Sized_relobj_incr::do_layout): Call
3454         report_comdat_group for kept comdat sections.
3455         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
3456         * testsuite/Makefile.in: Regenerate.
3457         * testsuite/incr_comdat_test_1.cc: New source file.
3458         * testsuite/incr_comdat_test_2_v1.cc: New source file.
3459         * testsuite/incr_comdat_test_2_v2.cc: New source file.
3460         * testsuite/incr_comdat_test_2_v3.cc: New source file.
3461
3462 2011-09-13  Ian Lance Taylor  <iant@google.com>
3463
3464         * object.cc (Sized_relobj_file::do_layout): Remove unused local
3465         variable external_symbols_offset.
3466
3467 2011-09-12  Ian Lance Taylor  <iant@google.com>
3468
3469         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
3470         triggered if object has no symbols.
3471
3472 2011-09-09  David S. Miller  <davem@davemloft.net>
3473
3474         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
3475         (Output_fill_debug_line::do_write): Likewise.
3476
3477 2011-08-29  Cary Coutant  <ccoutant@google.com>
3478
3479         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
3480         casts to match formatting specs.
3481         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
3482
3483 2011-08-26  Cary Coutant  <ccoutant@google.com>
3484
3485         * layout.cc (Free_list::allocate): Provide guarantee of minimum
3486         remaining hole size when allocating.
3487         (Layout::make_output_section): Set fill methods for debug sections.
3488         * layout.h (Free_list::Free_list_node): Move from private to
3489         public.
3490         (Free_list::set_min_hole_size): New function.
3491         (Free_list::begin, Free_list::end): New functions.
3492         (Free_list::min_hole_): New data member.
3493         * output.cc: Include dwarf.h.
3494         (Output_fill_debug_info::do_minimum_hole_size): New function.
3495         (Output_fill_debug_info::do_write): New function.
3496         (Output_fill_debug_line::do_minimum_hole_size): New function.
3497         (Output_fill_debug_line::do_write): New function.
3498         (Output_section::Output_section): Initialize new data member.
3499         (Output_section::set_final_data_size): Ensure patch space is larger
3500         than minimum hole size.
3501         (Output_section::do_write): Fill holes in debug sections.
3502         * output.h (Output_fill): New class.
3503         (Output_fill_debug_info): New class.
3504         (Output_fill_debug_line): New class.
3505         (Output_section::set_free_space_fill): New function.
3506         (Output_section::free_space_fill_): New data member.
3507         * testsuite/Makefile.am (incremental_test_3): Add
3508         --incremental-patch option.
3509         (incremental_test_4): Likewise.
3510         (incremental_test_5): Likewise.
3511         (incremental_test_6): Likewise.
3512         (incremental_copy_test): Likewise.
3513         (incremental_common_test_1): Likewise.
3514         * testsuite/Makefile.in: Regenerate.
3515
3516 2011-08-26  Nick Clifton  <nickc@redhat.com>
3517
3518         * po/es.po: Updated Spanish translation.
3519
3520 2011-08-01  Cary Coutant  <ccoutant@google.com>
3521
3522         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
3523         * gold/testsuite/Makefile.in: Regenerate.
3524         * gold/testsuite/justsyms_exec.c: New source file.
3525         * gold/testsuite/justsyms_lib.c: New source file.
3526
3527 2011-08-01  Cary Coutant  <ccoutant@google.com>
3528
3529         * layout.cc (Layout::set_segment_offsets): Don't realign text
3530         segment if -Ttext was specified.
3531         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
3532         file type.
3533         * object.h (Sized_relobj_file::e_type): New function.
3534         (Sized_relobj_file::e_type_): New data member.
3535         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
3536         base address for ET_EXEC files.
3537         * target.cc (Target::do_make_elf_object_implementation): Allow
3538         ET_EXEC files with --just-symbols option.
3539
3540 2011-07-28  Cary Coutant  <ccoutant@google.com>
3541
3542         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
3543         Add thread_number parameter.
3544         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
3545         * workqueue-threads.cc
3546         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
3547         current thread if its thread number is greater than desired thread
3548         count.
3549         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
3550         Add thread_number parameter.
3551         (Workqueue::should_cancel_thread): Likewise.
3552         (Workqueue::find_runnable_or_wait): Pass thread_number to
3553         should_cancel_thread.
3554         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
3555         parameter.
3556
3557 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
3558
3559         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
3560         only after checking if it cannot be forced local.
3561         * symtab.h (is_externally_visible): Check if the symbol is not forced
3562         local.
3563
3564 2011-07-15  Ian Lance Taylor  <iant@google.com>
3565
3566         * options.h (class General_options): Add --print-output-format.
3567         Move -EL next to -EB, for  better --help output.
3568         * target-select.cc: Include <cstdio>, "options.h", and
3569         "parameters.h".
3570         (Target_selector::do_target_bfd_name): New function.
3571         (print_output_format): New function.
3572         * target-select.h (class Target_selector): Update declarations.
3573         (Target_selector::target_bfd_name): New function.
3574         (print_output_format): Declare.
3575         * main.cc: Include "target-select.h".
3576         (main): Handle --print-output-format.
3577         * gold.cc: Include "target-select.h".
3578         (queue_initial_tasks): Handle --print-output-format when there are
3579         no input files.
3580         * parameters.cc (parameters_force_valid_target): Give a better
3581         error message if -EB/-EL does not match target.
3582         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
3583         function.
3584
3585 2011-07-15  Ian Lance Taylor  <iant@google.com>
3586
3587         * i386.cc (class Output_data_plt_i386): Add layout_ field.
3588         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
3589         (Output_data_plt_i386::do_write): Write address of .dynamic
3590         section to first entry in .got.plt section.
3591         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
3592         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
3593         Initialize layout_.
3594         (Output_data_plt_x86_64::do_write): Write address of .dynamic
3595         section to first entry in .got.plt section.
3596         * layout.h (Layout::dynamic_section): New function.
3597
3598 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
3599
3600         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
3601         to claim_file call.
3602         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
3603         input_section_position_, and input_section_glob_.
3604         (read_layout_from_file): Call function section_ordering_specified.
3605         * layout.h (is_section_ordering_specified): New function.
3606         (section_ordering_specified): New function.
3607         (section_ordering_specified_): New boolean member.
3608         * main.cc(main): Call load_plugins after layout object is defined.
3609         * output.cc (Output_section::add_input_section): Use
3610         function section_ordering_specified to check if section ordering is
3611         needed.
3612         * output.cc (Output_section::add_relaxed_input_section): Use
3613         function section_ordering_specified to check if section ordering is
3614         needed.
3615         (Output_section::update_section_layout): New function.
3616         (Output_section::sort_attached_input_sections): Check if input section
3617         must be reordered.
3618         * output.h (Output_section::update_section_layout): New function.
3619         * plugin.cc (get_section_count): New function.
3620         (get_section_type): New function.
3621         (get_section_name): New function.
3622         (get_section_contents): New function.
3623         (update_section_order): New function.
3624         (allow_section_ordering): New function.
3625         (Plugin::load): Add the new interfaces to the transfer vector.
3626         (Plugin_manager::load_plugins): New parameter.
3627         (Plugin_manager::all_symbols_read): New parameter.
3628         (Plugin_manager::claim_file): New parameter. Save the elf object for
3629         unclaimed objects.
3630         (Plugin_manager::get_elf_object): New function.
3631         (Plugin_manager::get_view): Change to directly use the bool to check
3632         if get_view is called from claim_file_hook.
3633         * plugin.h (input_objects): New function
3634         (Plugin__manager::load_plugins): New parameter.
3635         (Plugin_manager::claim_file): New parameter.
3636         (Plugin_manager::get_elf_object): New function.
3637         (Plugin_manager::in_claim_file_handler): New function.
3638         (Plugin_manager::in_claim_file_handler_): New member.
3639         (layout): New function.
3640         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
3641         handler with an extra parameter. Make the elf object before calling
3642         claim_file handler.
3643         * testsuite/plugin_test.c (get_section_count): New function pointer.
3644         (get_section_type): New function pointer.
3645         (get_section_name): New function pointer.
3646         (get_section_contents): New function pointer.
3647         (update_section_order): New function pointer.
3648         (allow_section_ordering): New function pointer.
3649         (onload): Check if the new interfaces exist.
3650
3651 2011-07-13  Ian Lance Taylor  <iant@google.com>
3652
3653         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
3654         relro section.
3655         * x86_64.cc (Target_x86_64::got_section): Likewise.
3656         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
3657         (relro_now_test_SOURCES): New variable.
3658         (relro_now_test_DEPENDENCIES): New variable.
3659         (relro_now_test_LDFLAGS): New variable.
3660         (relro_now_test_LDADD): New variable.
3661         (relro_now_test.so): New target.
3662         * testsuite/Makefile.in: Rebuild.
3663
3664 2011-07-12  Ian Lance Taylor  <iant@google.com>
3665
3666         PR gold/12980
3667         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
3668         GLOB_DAT relocation rather than a RELATIVE relocation for a
3669         protected symbol when creating a shared library.
3670         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
3671         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
3672         * testsuite/protected_main_1.cc (main): Test that protected
3673         function has same address.
3674
3675 2011-07-11  Ian Lance Taylor  <iant@google.com>
3676
3677         PR gold/12979
3678         * options.h (class General_options): Add -Bgroup.
3679         * options.cc (General_options::finalize): If -Bgroup is set,
3680         default to --unresolved-symbols=report-all.
3681         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
3682         * target-reloc.h (issue_undefined_symbol_error): Handle
3683         --unresolved-symbols=report-all.
3684
3685 2011-07-08  Ian Lance Taylor  <iant@google.com>
3686
3687         PR gold/11985
3688         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
3689         if linker script discards key sections.
3690         (Layout::create_dynamic_symtab): Likewise.
3691         (Layout::assign_local_dynsym_offsets): Likewise.
3692         (Layout::sized_create_version_sections): Likewise.
3693         (Layout::create_interp): Likewise.
3694         (Layout::finish_dynamic_section): Likewise.
3695         (Layout::set_dynamic_symbol_size): Likewise.
3696
3697 2011-07-08  Ian Lance Taylor  <iant@google.com>
3698
3699         PR gold/12386
3700         * options.h (class General_options): Add --unresolved-symbols.
3701         * target-reloc.h (issue_undefined_symbol_error): Check
3702         --unresolved-symbols.  Add comments.
3703
3704 2011-07-08  Ian Lance Taylor  <iant@google.com>
3705
3706         * testsuite/odr_violation2.cc (Ordering::operator()): Make
3707         expression more complex.
3708
3709 2011-07-08  Ian Lance Taylor  <iant@google.com>
3710
3711         PR gold/11317
3712         * target-reloc.h (issue_undefined_symbol_error): New inline
3713         function, broken out of relocate_section.
3714         (relocate_section): Call issue_undefined_symbol_error.
3715         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
3716         there is no TLS segment if we are about to issue an undefined
3717         symbol error.
3718         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
3719
3720 2011-07-08  Ian Lance Taylor  <iant@google.com>
3721
3722         PR gold/12279
3723         * resolve.cc (Symbol_table::should_override): Add fromtype
3724         parameter.  Change all callers.  Give error when linking together
3725         TLS and non-TLS symbol.
3726         (Symbol_table::should_override_with_special): Add fromtype
3727         parameter.  Change all callers.
3728         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
3729         there is no TLS segment if we have reported some errors.
3730         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
3731
3732 2011-07-08  Ian Lance Taylor  <iant@google.com>
3733
3734         PR gold/12372
3735         * target.h (Target::plt_address_for_global): New function.
3736         (Target::plt_address_for_local): New function.
3737         (Target::plt_section_for_global): Remove.
3738         (Target::plt_section_for_local): Remove.
3739         (Target::do_plt_address_for_global): New virtual function.
3740         (Target::do_plt_address_for_local): New virtual function.
3741         (Target::do_plt_section_for_global): Remove.
3742         (Target::do_plt_section_for_local): Remove.
3743         (Target::register_global_plt_entry): Add Symbol_table and Layout
3744         parameters.
3745         * output.cc (Output_data_got::Got_entry::write): Use
3746         plt_address_for_global and plt_address_for_local.
3747         * layout.cc (Layout::add_target_dynamic_tags): Use size and
3748         address of output section.
3749         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
3750         got_irelative_, and irelative_count_ fields.  Update
3751         declarations.
3752         (Output_data_plt_i386::has_irelative_section): New function.
3753         (Output_data_plt_i386::entry_count): Add irelative_count_.
3754         (Output_data_plt_i386::set_final_data_size): Likewise.
3755         (class Target_i386): Add got_irelative_ and rel_irelative_
3756         fields.  Update declarations.
3757         (Target_i386::Target_i386): Initialize new fields.
3758         (Target_i386::do_plt_address_for_global): New function replacing
3759         do_plt_section_for_global.
3760         (Target_i386::do_plt_address_for_local): New function replacing
3761         do_plt_section_for_local.
3762         (Target_i386::got_section): Create got_irelative_.
3763         (Target_i386::rel_irelative_section): New function.
3764         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
3765         fields.  Don't define __rel_iplt_{start,end}.
3766         (Output_data_plt_i386::add_entry): Add symtab and layout
3767         parameters.  Change all callers.  Use different PLT and GOT for
3768         IFUNC symbols.
3769         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
3770         layout parameters.  Change all callers.  Use different PLT and
3771         GOT.
3772         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
3773         (Output_data_plt_i386::rel_irelative): New function.
3774         (Output_data_plt_i386::address_for_global): New function.
3775         (Output_data_plt_i386::address_for_local): New function.
3776         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
3777         IRELATIVE GOT when changing IFUNC GOT entries.
3778         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
3779         reloc.
3780         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
3781         if we didn't create an IRELATIVE GOT.
3782         (Target_i386::Relocate::relocate): Use plt_address_for_global and
3783         plt_address_for_local.
3784         (Target_i386::do_dynsym_value): Use plt_address_for_global.
3785         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
3786         got_irelative_, and irelative_count_ fields.  Update
3787         declarations.
3788         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
3789         Initialize new fields.  Remove symtab parameter.  Change all
3790         callers.
3791         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
3792         irelative_count_.
3793         (Output_data_plt_x86_64::has_irelative_section): New function.
3794         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
3795         (class Target_x86_64): Add got_irelative_ and rel_irelative_
3796         fields.  Update declarations.
3797         (Target_x86_64::Target_x86_64): Initialize new fields.
3798         (Target_x86_64::do_plt_address_for_global): New function replacing
3799         do_plt_section_for_global.
3800         (Target_x86_64::do_plt_address_for_local): New function replacing
3801         do_plt_section_for_local.
3802         (Target_x86_64::got_section): Create got_irelative_.
3803         (Target_x86_64::rela_irelative_section): New function.
3804         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
3805         all callers.  Don't create __rel_iplt_{start,end}.
3806         (Output_data_plt_x86_64::add_entry): Add symtab and layout
3807         parameters.  Change all callers.  Use different PLT and GOT for
3808         IFUNC symbols.
3809         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
3810         layout parameters.  Change all callers.  Use different PLT and
3811         GOT.
3812         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
3813         parameters.  Change all callers.  Use different PLT and GOT for
3814         IFUNC symbols.
3815         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
3816         (Output_data_plt_x86_64::rela_irelative): New function.
3817         (Output_data_plt_x86_64::address_for_global): New function.
3818         (Output_data_plt_x86_64::address_for_local): New function.
3819         (Output_data_plt_x86_64::set_final_data_size): Likewise.
3820         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
3821         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
3822         (Target_x86_64::register_global_plt_entry): Add symtab and layout
3823         parameters.
3824         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
3825         reloc.
3826         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
3827         symbols if we didn't create an IRELATIVE GOT.
3828         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
3829         plt_address_for_local.
3830         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
3831         * testsuite/ifuncvar1.c: New test file.
3832         * testsuite/ifuncvar2.c: New test file.
3833         * testsuite/ifuncvar3.c: New test file.
3834         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
3835         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
3836         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
3837         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
3838         * testsuite/Makefile.in: Rebuild.
3839
3840 2011-07-07  Cary Coutant  <ccoutant@google.com>
3841
3842         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
3843         (two_file_test_1_ndebug.o): Likewise.
3844         (two_file_test_1b_ndebug.o): Likewise.
3845         (two_file_test_2_ndebug.o): Likewise.
3846         (two_file_test_main_ndebug.o): Likewise.
3847         (incremental_test_2): Link with no-debug versions.
3848
3849 2011-07-06  Cary Coutant  <ccoutant@google.com>
3850
3851         * gold/incremental.cc
3852         (Output_section_incremental_inputs::write_info_blocks): Check for
3853         hidden and internal symbols.
3854
3855 2011-07-06  Cary Coutant  <ccoutant@google.com>
3856
3857         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
3858         Check disposition for startup file.
3859         (Incremental_inputs::report_command_line): Ignore
3860         --incremental-startup-unchanged option.
3861         * options.cc (General_options::parse_incremental_startup_unchanged):
3862         New function.
3863         (General_options::General_options): Initialize new data member.
3864         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
3865         (General_options): Add --incremental-startup-unchanged option.
3866         (General_options::incremental_startup_disposition): New function.
3867         (General_options::incremental_startup_disposition_): New data member.
3868
3869 2011-07-06  Cary Coutant  <ccoutant@google.com>
3870
3871         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
3872         input file index to Script_info ctor.
3873         (Sized_incremental_binary::do_file_has_changed): Find the
3874         command-line argument for files named in scripts.
3875         * incremental.h (Script_info::Script_info): New ctor
3876         with input file index.
3877         (Script_info::input_file_index): New function.
3878         (Script_info::input_file_index_): New data member.
3879         (Incremental_binary::get_library): Add const.
3880         (Incremental_binary::get_script_info): Add const.
3881         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
3882         * testsuite/Makefile.am (incremental_test_5): New test case.
3883         (incremental_test_6): New test case.
3884         * testsuite/Makefile.in: Regenerate.
3885
3886 2011-07-06  Cary Coutant  <ccoutant@google.com>
3887
3888         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
3889         debug output when command lines differ.
3890
3891 2011-07-06  Cary Coutant  <ccoutant@google.com>
3892
3893         * incremental.cc (Incremental_inputs::report_command_line): Ignore
3894         --incremental-patch option.
3895         * layout.cc (Free_list::allocate): Extend allocation beyond original
3896         end if enabled.
3897         (Layout::make_output_section): Mark sections that should get
3898         patch space.
3899         * options.cc (parse_percent): New function.
3900         * options.h (parse_percent): New function.
3901         (DEFINE_percent): New macro.
3902         (General_options): Add --incremental-patch option.
3903         * output.cc (Output_section::Output_section): Initialize new data
3904         members.
3905         (Output_section::add_input_section): Print section name when out
3906         of patch space.
3907         (Output_section::add_output_section_data): Likewise.
3908         (Output_section::set_final_data_size): Add patch space when
3909         doing --incremental-full.
3910         (Output_section::do_reset_address_and_file_offset): Remove patch
3911         space.
3912         (Output_segment::set_section_list_addresses): Print debug output
3913         only if --incremental-update.
3914         * output.h (Output_section::set_is_patch_space_allowed): New function.
3915         (Output_section::is_patch_space_allowed_): New data member.
3916         (Output_section::patch_space_): New data member.
3917         * parameters.cc (Parameters::incremental_full): New function.
3918         * parameters.h (Parameters::incremental_full): New function
3919         * testsuite/Makefile.am (incremental_test_2): Add test for
3920         --incremental-patch option.
3921         * testsuite/Makefile.in: Regenerate.
3922         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
3923         (t18): Remove function body.
3924
3925 2011-07-05  Doug Kwan  <dougkwan@google.com>
3926
3927         PR gold/12771
3928         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
3929         Arm_Address type for relocation result.
3930         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
3931         overflow check.
3932         (Arm_relocate_functions::abs32): Use unaligned access.
3933         (Arm_relocate_functions::rel32): Ditto.
3934         (Arm_relocate_functions::prel31): Ditto.
3935         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
3936         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
3937         static data relocations.
3938         * testsuite/Makefile.in: Regnerate.
3939         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
3940
3941 2011-07-05  Ian Lance Taylor  <iant@google.com>
3942
3943         PR gold/12392
3944         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
3945         symbols if necessary.
3946         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3947
3948 2011-07-05  Ian Lance Taylor  <iant@google.com>
3949
3950         PR gold/12952
3951         * resolve.cc (Symbol::override_base_with_special): Simply override
3952         version with special symbol version, ignoring previous version.
3953
3954 2011-07-05  Ian Lance Taylor  <iant@google.com>
3955
3956         * object.cc (Sized_relobj_file::include_section_group): Add
3957         information to comment about signature location.
3958
3959 2011-07-02  Ian Lance Taylor  <iant@google.com>
3960
3961         PR gold/12957
3962         * options.h (class General_options): Add -f and -F.
3963         * options.cc (General_options::finalize): Fatal error if -f/-F
3964         are used without -shared.
3965         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
3966
3967 2011-07-02  Ian Lance Taylor  <iant@google.com>
3968
3969         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
3970
3971 2011-07-01  Ian Lance Taylor  <iant@google.com>
3972
3973         PR gold/12525
3974         PR gold/12952
3975         * resolve.cc (Symbol::override_base_with_special): Don't override
3976         the version if the overriding symbol has a different name.
3977         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
3978         all callers.  If we give an error about an undefined version,
3979         define the base version if necessary.
3980         * dynobj.h (class Versions): Update declaration.
3981         * testsuite/weak_alias_test_5.cc: New file.
3982         * testsuite/weak_alias_test.script: New file.
3983         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
3984         and versioned_alias have the right value, and call t2.
3985         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
3986         weak_alias_test_5.so.
3987         (weak_alias_test_LDADD): Likewise.
3988         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
3989         * testsuite/Makefile.in: Rebuild.
3990
3991 2011-07-01  Ian Lance Taylor  <iant@google.com>
3992
3993         PR gold/12525
3994         * options.h (class General_options): Support -z notext.
3995         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
3996         -Wl,-z,notext.
3997         (two_file_shared_nonpic.so): Likewise.
3998         (two_file_shared_mixed.so): Likewise.
3999         (two_file_shared_mixed_1.so): Likewise.
4000         (weak_undef_lib_nonpic.so): Likewise.
4001         (alt/weak_undef_lib_nonpic.so): Likewise.
4002         (tls_test_shared_nonpic.so): Likewise.
4003         * testsuite/Makefile.in: Rebuild.
4004
4005 2011-07-01  Ian Lance Taylor  <iant@google.com>
4006
4007         PR gold/12525
4008         * configure.ac: Test whether static linking works, setting
4009         the automake conditional HAVE_STATIC.
4010         * testsuite/Makefile.am: Disable tests using -static if
4011         HAVE_STATIC is not true.
4012         * configure, testsuite/Makefile.in: Rebuild.
4013
4014 2011-07-01  Ian Lance Taylor  <iant@google.com>
4015
4016         PR gold/12525
4017         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
4018         Assert if we see DW_EH_PE_indirect.
4019         * target.h (Target::ehframe_datarel_base): New function.
4020         (Target::do_ehframe_datarel_base): New target function.
4021         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
4022         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
4023         function.
4024
4025 2011-07-01  Ian Lance Taylor  <iant@google.com>
4026
4027         PR gold/12571
4028         * options.h (class General_options): Add
4029         --ld-generated-unwind-info.
4030         * ehframe.cc (Fde::write): Add address parameter.  Change all
4031         callers.  If associated with PLT, fill in address and size.
4032         (Cie::set_output_offset): Only add merge mapping if there is an
4033         object.
4034         (Cie::write): Add address parameter.  Change all callers.
4035         (Eh_frame::add_ehframe_for_plt): New function.
4036         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
4037         input_offset_ fields into union u_, with new plt field.
4038         (Fde::Fde): Adjust for new union field.
4039         (Fde::Fde) [Output_data version]: New constructor.
4040         (Fde::add_mapping): Only add merge mapping if there is an object.
4041         (class Cie): Update declarations.
4042         (class Eh_frame): Declare add_ehframe_for_plt.
4043         * layout.cc (Layout::layout_eh_frame): Break out code into
4044         make_eh_frame_section, and call it.
4045         (Layout::make_eh_frame_section): New function.
4046         (Layout::add_eh_frame_for_plt): New function.
4047         * layout.h (class Layout): Update declarations.
4048         * merge.cc (Merge_map::add_mapping): Add assertion.
4049         * i386.cc: Include "dwarf.h".
4050         (class Output_data_plt_i386): Make first_plt_entry,
4051         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
4052         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
4053         and plt_eh_frame_fde.
4054         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
4055         boundary.  Call add_eh_frame_for_plt if appropriate.
4056         * x86_64.cc: Include "dwarf.h".
4057         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
4058         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
4059         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
4060         and plt_eh_frame_fde.
4061         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
4062         appropriate.
4063
4064 2011-06-29  Ian Lance Taylor  <iant@google.com>
4065
4066         PR gold/12629
4067         * object.cc (Sized_relobj_file::layout_section): Change shdr
4068         parameter to be const.
4069         (Sized_relobj_file::layout_eh_frame_section): New function, broken
4070         out of do_layout.
4071         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
4072         appropriate.  Call layout_eh_frame_section.
4073         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
4074         sections.
4075         * object.h (class Sized_relobj_file): Update declarations.
4076
4077 2011-06-29  Ian Lance Taylor  <iant@google.com>
4078
4079         PR gold/12652
4080         * script.cc (Token::integer_value): Accept trailing M/m/K/k
4081         modifier.
4082         (Lex::gather_token): Accept trailing M/m/K/k for integers.
4083
4084 2011-06-29  Ian Lance Taylor  <iant@google.com>
4085
4086         PR gold/12675
4087         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
4088         SHT_X86_64_UNWIND.
4089         * layout.cc (Layout::layout_eh_frame): Likewise.
4090
4091 2011-06-29  Ian Lance Taylor  <iant@google.com>
4092
4093         PR gold/12695
4094         * layout.cc (Layout::symtab_section_shndx): New function.
4095         * layout.h (class Layout): Declare symtab_section_shndx.
4096         * output.cc (Output_section::write_header): Call it.
4097
4098 2011-06-29  Ian Lance Taylor  <iant@google.com>
4099
4100         PR gold/12818
4101         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
4102         symbols which are not used in a relocation.
4103
4104 2011-06-28  Ian Lance Taylor  <iant@google.com>
4105
4106         PR gold/12898
4107         * layout.cc (Layout::segment_precedes): Don't crash if a linker
4108         script create indistinguishable segments.
4109         (Layout::set_segment_offsets): Use stable_sort when sorting
4110         segments.  Pass this to Compare_segments constructor.
4111         * layout.h (class Layout): Make segment_precedes non-static.
4112         (class Compare_segments): Change from struct to class.  Add
4113         layout_ field.  Add constructor.
4114         * script-sections.cc
4115         (Script_sections::attach_sections_using_phdrs_clause): Rename
4116         local orphan to is_orphan.  Don't report failure to put empty
4117         section in segment.  On attachment failure, report name of
4118         section, and attach to first PT_LOAD segment.
4119
4120 2011-06-28  Ian Lance Taylor  <iant@google.com>
4121
4122         PR gold/12934
4123         * target-select.cc (Target_selector::Target_selector): Add
4124         emulation parameter.  Change all callers.
4125         (select_target_by_bfd_name): Rename from select_target_by_name.
4126         Change all callers.
4127         (select_target_by_emulation): New function.
4128         (supported_emulation_names): New function.
4129         * target-select.h (class Target_selector): Add emulation_ field.
4130         Update declarations.
4131         (Target_selector::recognize_by_bfd_name): Rename from
4132         recognize_by_name.  Change all callers.
4133         (Target_selector::supported_bfd_names): Rename from
4134         supported_names.  Change all callers.
4135         (Target_selector::recognize_by_emulation): New function.
4136         (Target_selector::supported_emulations): New function.
4137         (Target_selector::emulation): New function.
4138         (Target_selector::do_recognize_by_bfd_name): Rename from
4139         do_recognize_by_name.  Change all callers.
4140         (Target_selector::do_supported_bfd_names): Rename from
4141         do_supported_names.  Change all callers.
4142         (Target_selector::do_recognize_by_emulation): New function.
4143         (Target_selector::do_supported_emulations): New function.
4144         (select_target_by_bfd_name): Change name in declaration.
4145         (select_target_by_emulation): Declare.
4146         (supported_emulation_names): Declare.
4147         * parameters.cc (parameters_force_valid_target): Try to find
4148         target based on emulation from -m option.
4149         * options.h (class General_options): Change doc string for -m.
4150         * options.cc (help): Print emulations.
4151         (General_options::parse_V): Likewise.
4152         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
4153         Add emulation parameter.  Change all callers.
4154
4155 2011-06-28  Ian Lance Taylor  <iant@google.com>
4156
4157         * target.h (class Target): Add osabi_ field.
4158         (Target::osabi): New function.
4159         (Target::set_osabi): New function.
4160         (Target::Target): Initialize osabi_.
4161         (Target::do_adjust_elf_header): Make pure virtual.
4162         (Sized_target::do_adjust_elf_header): Declare.
4163         * target.cc (Sized_target::do_adjust_elf_header): New function.
4164         (class Sized_target): Instantiate all versions.
4165         * freebsd.h (class Target_freebsd): Remove.
4166         (Target_selector_freebsd::do_recognize): Call set_osabi on
4167         Target.
4168         (Target_selector_freebsd::do_recognize_by_name): Likewise.
4169         (Target_selector_freebsd::set_osabi): Remove.
4170         * i386.cc (class Target_i386): Inherit from Sized_target rather
4171         than Target_freebsd.
4172         * x86_64.cc (class Target_x86_64): Likewise.
4173
4174 2011-06-28  Ian Lance Taylor  <iant@google.com>
4175
4176         * target.h (Target::can_check_for_function_pointers): Rewrite.
4177         Make non-virtual.
4178         (Target::can_icf_inline_merge_sections): Likewise.
4179         (Target::section_may_have_icf_unsafe_poineters): Likewise.
4180         (Target::Target_info): Add can_icf_inline_merge_sections field.
4181         (Target::do_can_check_for_function_pointers): New virtual
4182         function.
4183         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
4184         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
4185         from can_check_for_function_pointers, move in file.
4186         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
4187         section_may_have_icf_unsafe_poineters, move in file.
4188         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
4189         * i386.cc (Target_i386::do_can_check_for_function_pointers):
4190         Rename from can_check_for_function_pointers, move in file.
4191         (Target_i386::can_icf_inline_merge_sections): Remove.
4192         (Target_i386::i386_info): Initialize
4193         can_icf_inline_merge_sections.
4194         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
4195         Initialize can_icf_inline_merge_sections.
4196         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
4197         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
4198         Rename from can_check_for_function_pointers, move in file.
4199         (Target_x86_64::can_icf_inline_merge_sections): Remove.
4200         (Target_x86_64::x86_64_info): Initialize
4201         can_icf_inline_merge_sections.
4202         * testsuite/testfile.cc (Target_test::test_target_info):
4203         Likewise.
4204         * icf.cc (get_section_contents): Correct formatting.
4205
4206 2011-06-27  Ian Lance Taylor  <iant@google.com>
4207
4208         * symtab.cc (Symbol::versioned_name): New function.
4209         (Symbol_table::add_to_final_symtab): Use versioned_name when
4210         appropriate.
4211         (Symbol_table::sized_write_symbol): Likewise.
4212         * symtab.h (class Symbol): Declare versioned_name.
4213         * stringpool.h (class Stringpool_template): Add variant of add
4214         which takes a std::basic_string.
4215         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
4216         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
4217         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
4218         (ver_test_12.o): New target.
4219         * testsuite/Makefile.in: Rebuild.
4220
4221 2011-06-27  Doug Kwan  <dougkwan@google.com>
4222
4223         * arm.cc (Arm_relocate_functions::thm_jump8,
4224         Arm_relocate_functions::thm_jump11): Use a wider signed
4225         type to compute offset.
4226         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
4227         arm_thm_jump8.
4228         * testsuite/Makefile.in: Regenerate.
4229         * testsuite/arm_branch_in_range.sh: Check test results of
4230         arm_thm_jump11 and arm_thm_jump8.
4231         * testsuite/arm_thm_jump11.s: New test source file.
4232         * testsuite/arm_thm_jump11.t: New linker script.
4233         * testsuite/arm_thm_jump8.s: New test source file.
4234         * testsuite/arm_thm_jump8.t: New linker script.
4235
4236 2011-06-24  Ian Lance Taylor  <iant@google.com>
4237
4238         * layout.cc: Include "object.h".
4239         (ctors_sections_in_init_array): New static variable.
4240         (Layout::is_ctors_in_init_array): New function.
4241         (Layout::layout): Add entry to ctors_sections_in_init_array if
4242         appropriate.
4243         * layout.h (class Layout): Declare is_ctors_in_init_array.
4244         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
4245         is_ctors_reverse_view is set.
4246         (Sized_relobj_file::write_sections): Add layout parameter.  Change
4247         all callers.  Set is_ctors_reverse_view field of View_size.
4248         (Sized_relobj_file::reverse_words): New function.
4249         * object.h (Sized_relobj_file::View_size): Add
4250         is_ctors_reverse_view field.
4251         (class Sized_relobj_file): Update declarations.
4252         * testsuite/initpri3.c: New test.
4253         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
4254         initpri3b.
4255         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
4256         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
4257         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
4258         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
4259         * testsuite/Makefile.in: Rebuild.
4260
4261 2011-06-24  Cary Coutant  <ccoutant@google.com>
4262
4263         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
4264         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
4265         (debug_msg_cdebug.err): New targets.
4266         * testsuite/Makefile.in: Regenerate.
4267         * testsuite/debug_msg.sh: Check output of link with compressed debug.
4268         Fix checks for link with shared library.
4269
4270 2011-06-24  Doug Kwan  <dougkwan@google.com>
4271
4272         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
4273         skip empty text sections.
4274         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
4275
4276 2011-06-22  Ian Lance Taylor  <iant@google.com>
4277
4278         PR gold/12910
4279         * options.h (class General_options): Add --ctors-in-init-array.
4280         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
4281         friends as SHT_PROGBITS for merging sections.
4282         (Layout::layout): Remove special handling of .init_array and
4283         friends.  Don't sort if doing relocatable link.  Sort for .ctors
4284         and .dtors if ctors_in_init_array.
4285         (Layout::make_output_section): Force correct section types for
4286         .init_array and friends.  Don't sort if doing relocatable link,
4287         Don't sort .ctors and .dtors if ctors_in_init_array.
4288         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
4289         (Layout::output_section_name): Add relobj parameter.  Change all
4290         callers.  Handle .ctors. and .dtors. in code rather than table.
4291         Handle .ctors and .dtors if ctors_in_init_array.
4292         (Layout::match_file_name): New function, moved from output.cc.
4293         * layout.h (class Layout): Update declarations.
4294         * output.cc: Include "layout.h".
4295         (Input_section_sort_entry::get_priority): New function.
4296         (Input_section_sort_entry::match_file_name): Just call
4297         Layout::match_file_name.
4298         (Output_section::Input_section_sort_init_fini_compare::operator()):
4299         Handle .ctors and .dtors.  Sort by explicit priority rather than
4300         by name.
4301         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
4302         * testsuite/initpri2.c: New test.
4303         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
4304         (check_PROGRAMS): Add initpri2.
4305         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
4306         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
4307         * configure, testsuite/Makefile.in: Rebuild.
4308
4309 2011-06-19  Ian Lance Taylor  <iant@google.com>
4310
4311         PR gold/12880
4312         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
4313         .interp section to a PT_INTERP segment even if we have seen a
4314         --dynamic-linker option.  Don't do it if we have seen a PHDRS
4315         clause in a linker script.
4316         (Layout::finalize): Don't create a .interp section if we've
4317         already create a PT_INTERP segment.
4318         (Layout::create_interp): Always call choose_output_section (revert
4319         patch of 2011-06-17).  Don't create PT_INTERP segment.
4320         * script-sections.cc
4321         (Script_sections::create_note_and_tls_segments): Add a .interp
4322         section to a PT_INTERP segment even if we have seen a
4323         --dynamic-linker option.
4324
4325 2011-06-18  Ian Lance Taylor  <iant@google.com>
4326
4327         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
4328         merely because a non-PT_LOAD segment has a dynamic reloc.
4329
4330 2011-06-18  Ian Lance Taylor  <iant@google.com>
4331
4332         * layout.cc (Layout::finish_dynamic_section): Don't create
4333         DT_FLAGS entry if not needed.
4334
4335 2011-06-18  Ian Lance Taylor  <iant@google.com>
4336
4337         PR gold/12745
4338         * layout.cc (Layout::layout_eh_frame): Correct handling of
4339         writable .eh_frame section.
4340
4341 2011-06-17  Ian Lance Taylor  <iant@google.com>
4342
4343         PR gold/12893
4344         * resolve.cc (Symbol_table::resolve): Don't give an error if a
4345         symbol is redefined with the exact same object and value.
4346
4347 2011-06-17  Ian Lance Taylor  <iant@google.com>
4348
4349         PR gold/12880
4350         * layout.h (class Layout): Add interp_segment_ field.
4351         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
4352         (Layout::attach_allocated_section_to_segment): If making shared
4353         library, put .interp section in PT_INTERP segment.
4354         (Layout::finalize): Also call create_interp if -dynamic-linker
4355         option was used.
4356         (Layout::create_interp): Assert that there is no PT_INTERP
4357         segment.  If not using a SECTIONS clause, use make_output_section.
4358         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
4359         * script-sections.cc
4360         (Script_sections::create_note_and_tls_segments): If making shared
4361         library, put .interp section in PT_INTERP segment.
4362
4363 2011-06-17  Ian Lance Taylor  <iant@google.com>
4364
4365         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
4366         when making a shared library.
4367
4368 2011-06-17  Ian Lance Taylor  <iant@google.com>
4369
4370         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
4371         parameter.  Change all callers.  Don't issue warning about PC32
4372         against locally defined symbol.
4373
4374 2011-06-16  Ian Lance Taylor  <iant@google.com>
4375
4376         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
4377         occurs in same object.
4378
4379 2011-06-14  Alan Modra  <amodra@gmail.com>
4380
4381         * po/POTFILES.in: Regenerate.
4382
4383 2011-06-09  Ian Lance Taylor  <iant@google.com>
4384
4385         * script-sections.cc
4386         (Orphan_output_section::set_section_addresses): For a relocatable
4387         link set address to 0.
4388
4389 2011-06-09  Cary Coutant  <ccoutant@google.com>
4390
4391         PR gold/12804
4392         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
4393         used with --compress-debug-sections.
4394         * gold/object.cc (Sized_relobj_file::do_layout): Report
4395         uncompressed size of compressed input sections.
4396
4397 2011-06-08  Cary Coutant  <ccoutant@google.com>
4398
4399         PR gold/12804
4400         * testsuite/two_file_test_2_v1.cc: Change initialization of
4401         v2 to keep it in .data.
4402
4403 2011-06-07  Cary Coutant  <ccoutant@google.com>
4404
4405         * common.cc (Symbol_table::do_allocate_commons_list): Call
4406         gold_fallback.
4407         * errors.cc (Errors::fatal): Adjust call to gold_exit.
4408         (Errors::fallback): New function.
4409         (gold_fallback): New function.
4410         * errors.h (Errors::fallback): New function.
4411         * gold.cc (gold_exit): Change status parameter to enum; adjust
4412         all callers.
4413         (queue_initial_tasks): Call gold_fallback.
4414         * gold.h: Include cstdlib.
4415         (Exit_status): New enum type.
4416         (gold_exit): Change status parameter to enum.
4417         (gold_fallback): New function.
4418         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
4419         (Layout::create_symtab_sections): Likewise.
4420         (Layout::create_shdrs): Likewise.
4421         * main.cc (main): Adjust call to gold_exit.
4422         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
4423         (Output_data_got::add_got_entry_pair): Likewise.
4424         (Output_section::add_input_section): Likewise.
4425         (Output_section::add_output_section_data): Likewise.
4426         (Output_segment::set_section_list_addresses): Likewise.
4427         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
4428
4429 2011-06-07  Cary Coutant  <ccoutant@google.com>
4430
4431         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
4432         for incremental links.
4433         * output.cc (Output_segment::set_section_list_addresses): Remove
4434         FIXME and test for TLS or BSS.
4435
4436 2011-06-07  Cary Coutant  <ccoutant@google.com>
4437
4438         * testsuite/Makefile.am: Add incremental_copy_test,
4439         incremental_common_test_1.
4440         * testsuite/Makefile.in: Regenerate.
4441         * testsuite/common_test_1_v1.c: New source file.
4442         * testsuite/common_test_1_v2.c: New source file.
4443         * testsuite/copy_test_v1.cc: New source file.
4444
4445 2011-06-07  Cary Coutant  <ccoutant@google.com>
4446
4447         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
4448         update, allocate common from bss section's free list.
4449         * incremental-dump.cc (dump_incremental_inputs): Print flag for
4450         linker-defined symbols.
4451         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
4452         Skip GOT and PLT entries that are no longer referenced.
4453         (Output_section_incremental_inputs::write_info_blocks): Mark
4454         linker-defined symbols.
4455         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
4456         * output.cc (Output_section::allocate): New function.
4457         * output.h (Output_section::allocate): New function.
4458         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
4459         linker-defined symbols.
4460         (Symbol::override_base_with_special): Copy is_predefined_ flag.
4461         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
4462         (Symbol::init_base_output_data): Likewise.
4463         (Symbol::init_base_output_segment): Likewise.
4464         (Symbol::init_base_constant): Likewise.
4465         (Sized_symbol::init_output_data): Likewise.
4466         (Sized_symbol::init_output_segment): Likewise.
4467         (Sized_symbol::init_constant): Likewise.
4468         (Symbol_table::do_define_in_output_data): Likewise.
4469         (Symbol_table::do_define_in_output_segment): Likewise.
4470         (Symbol_table::do_define_as_constant): Likewise.
4471         * symtab.h (Symbol::is_predefined): New function.
4472         (Symbol::init_base_output_data): Add is_predefined parameter.
4473         (Symbol::init_base_output_segment): Likewise.
4474         (Symbol::init_base_constant): Likewise.
4475         (Symbol::is_predefined_): New data member.
4476         (Sized_symbol::init_output_data): Add is_predefined parameter.
4477         (Sized_symbol::init_output_segment): Likewise.
4478         (Sized_symbol::init_constant): Likewise.
4479         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
4480
4481 2011-06-07  Cary Coutant  <ccoutant@google.com>
4482
4483         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
4484         instead of emit_copy_reloc.
4485         (Copy_relocs::emit_copy_reloc): Refactor.
4486         (Copy_relocs::make_copy_reloc): New function.
4487         (Copy_relocs::add_copy_reloc): Remove.
4488         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
4489         section.
4490         (Copy_relocs::make_copy_reloc): New function.
4491         (Copy_relocs::add_copy_reloc): Remove.
4492         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
4493         unchanged input files.
4494         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
4495         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
4496         Reserve BSS space for COPY relocations.
4497         (Sized_incremental_binary::do_emit_copy_relocs): New function.
4498         (Output_section_incremental_inputs::write_info_blocks): Record
4499         whether a symbol is copied from a shared object.
4500         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
4501         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
4502         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
4503         (Incremental_input_entry_reader::get_output_symbol_index): Add
4504         is_copy parameter.
4505         (Incremental_binary::emit_copy_relocs): New function.
4506         (Incremental_binary::do_emit_copy_relocs): New function.
4507         (Sized_incremental_binary::Sized_incremental_binary): Initialize
4508         new data member.
4509         (Sized_incremental_binary::add_copy_reloc): New function.
4510         (Sized_incremental_binary::do_emit_copy_relocs): New function.
4511         (Sized_incremental_binary::Copy_reloc): New struct.
4512         (Sized_incremental_binary::Copy_relocs): New typedef.
4513         (Sized_incremental_binary::copy_relocs_): New data member.
4514         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
4515         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
4516         * target.h (Sized_target::emit_copy_reloc): New function.
4517         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
4518
4519 2011-06-02  Cary Coutant  <ccoutant@google.com>
4520
4521         PR gold/12163
4522         * gold/archive.cc (Archive::Archive): Initialize new data member.
4523         (Archive::include_all_members): Return if archive has already been
4524         included.
4525         * gold/archive.h (Archive::include_all_members_): New data member.
4526
4527 2011-06-02  Nick Clifton  <nickc@redhat.com>
4528
4529         * dynobj.h: Fix spelling mistake in comment.
4530         * output.cc: Likewise.
4531
4532 2011-05-31  Doug Kwan  <dougkwan@google.com>
4533             Asier Llano
4534
4535         PR gold/12826
4536         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
4537         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
4538         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
4539         redundant arm_exidx_test.so.
4540         * testsuite/Makefile.in: Regenerate.
4541         (check_SCRIPTS): Add pr12826.sh
4542         (check_DATA): Add pr12826.stdout
4543         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
4544         * testsuite/pr12826.sh: New file.
4545         * testsuite/pr12826_1.s: Ditto.
4546         * testsuite/pr12826_1.s: Ditto.
4547
4548 2011-05-30  Ian Lance Taylor  <iant@google.com>
4549
4550         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
4551         sections.
4552
4553 2011-05-29  Ian Lance Taylor  <iant@google.com>
4554
4555         PR gold/12804
4556         * testsuite/Makefile.am: Use different file name for two_file_test
4557         temporary file for each incremental test.
4558         * testsuite/Makefile.in: Rebuild.
4559
4560 2011-05-29  Ian Lance Taylor  <iant@google.com>
4561
4562         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
4563         binary input file is empty.
4564
4565 2011-05-27  Ian Lance Taylor  <iant@google.com>
4566
4567         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
4568         (ver_test_9.so): Likewise.
4569         * testsuite/Makefile.in: Rebuild.
4570
4571 2011-05-26 Cary Coutant  <ccoutant@google.com>
4572
4573         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
4574         * incremental.cc (Incremental_inputs::report_input_section): Fix
4575         comment, indentation.
4576         (Incremental_inputs::report_comdat_group): New function.
4577         (Output_section_incremental_inputs::set_final_data_size): Adjust size
4578         of data for incremental input file entry.
4579         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
4580         group count, COMDAT group signatures.
4581         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
4582         an unchanged input file.
4583         * incremental.h (Incremental_object_entry::Incremental_object_entry):
4584         Initialize new data member.
4585         (Incremental_object_entry::add_comdat_group): New function.
4586         (Incremental_object_entry::get_comdat_group_count): New function.
4587         (Incremental_object_entry::get_comdat_signature_key): New function.
4588         (Incremental_object_entry::groups_): New data member.
4589         (Incremental_inputs::report_comdat_group): New function.
4590         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
4591         data for incremental input file entry.
4592         (Incremental_input_entry_reader::get_comdat_group_count): New function.
4593         (Incremental_input_entry_reader::get_input_section): Adjust size of
4594         data for incremental input file entry.
4595         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
4596         (Incremental_input_entry_reader::get_comdat_group_signature): New
4597         function.
4598         * object.cc (Sized_relobj::include_section_group): Report kept
4599         COMDAT groups for incremental links.
4600
4601 2011-05-24  David Meyer  <pdox@google.com>
4602
4603         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
4604         with name parameter.  Add found_name parameter.
4605         * fileread.cc (Input_file::find_file): Adjust code accordingly.
4606         * dirsearch.h (class Dirsearch): Update declaration.
4607
4608 2011-05-24  Ian Lance Taylor  <iant@google.com>
4609
4610         * archive.cc (Library_base::should_include_member): Pull in object
4611         from archive if it defines the entry symbol.
4612         * parameters.cc (Parameters::entry): New function.
4613         * parameters.h (class Parameters): Declare entry.
4614         * output.h (class Output_file_header): Remove entry_ field.
4615         * output.cc (Output_file_header::Output_file_header): Remove entry
4616         parameter.  Change all callers.
4617         (Output_file_header::entry): Use parameters->entry.
4618         * gold.cc (queue_middle_tasks): Likewise.
4619         * plugin.cc (Plugin_hook::run): Likewise.
4620
4621 2011-05-24 Cary Coutant  <ccoutant@google.com>
4622
4623         * gold.cc (queue_initial_tasks): Pass incremental base filename
4624         to Output_file::open_base_file; don't print error message.
4625         * incremental-dump.cc (main): Adjust call to
4626         Output_file::open_for_modification.
4627         * incremental-dump.cc (main): Likewise.
4628         * incremental.cc (Incremental_inputs::report_command_line):
4629         Ignore --incremental-base option when comparing command lines.
4630         Ignore parameter when given as separate argument.
4631         * options.h (class General_options): Add --incremental-base.
4632         * output.cc (Output_file::Output_file):
4633         (Output_file::open_base_file): Add base_name and writable parameters;
4634         read base file into new file; print error message here.
4635         (Output_file::map_no_anonymous): Add writable parameter; adjust all
4636         callers.
4637         * output.h (Output_file::open_for_modification): Rename to...
4638         (Output_file::open_base_file): ...this; add base_name and
4639         writable parameters; adjust all callers.
4640         (Output_file::map_no_anonymous): Add writable parameter; adjust all
4641         callers.
4642         * testsuite/Makefile.am (incremental_test_4): Test
4643         --incremental-base.
4644         * testsuite/Makefile.in: Regenerate.
4645
4646 2011-05-24 Cary Coutant  <ccoutant@google.com>
4647
4648         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
4649         incremental_test_4.
4650         * testsuite/Makefile.in: Regenerate.
4651         * testsuite/two_file_test_1_v1.cc: New test source file.
4652         * testsuite/two_file_test_1b_v1.cc: New test source file.
4653         * testsuite/two_file_test_2_v1.cc: New test source file.
4654
4655 2011-05-24 Cary Coutant  <ccoutant@google.com>
4656
4657         * dynobj.h (Dynobj::do_dynobj): New function.
4658         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
4659         flag and soname for shared objects.
4660         * incremental.cc (Incremental_inputs::report_object): Make
4661         either Incremental_object_entry or Incremental_dynobj_entry; add
4662         soname to string table.
4663         (Incremental_inputs::report_input_section): Add assertion.
4664         (Output_section_incremental_inputs::set_final_data_size): Adjust
4665         type of input file entry for shared libraries; adjust size of
4666         shared library info entry.
4667         (Output_section_incremental_inputs::write_input_files): Write
4668         as_needed flag for shared libraries.
4669         (Output_section_incremental_inputs::write_info_blocks): Adjust type
4670         of input file entry for shared libraries; write soname.
4671         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
4672         soname from incremental info.
4673         * incremental.h (enum Incremental_input_flags): Add
4674         INCREMENTAL_INPUT_AS_NEEDED.
4675         (Incremental_input_entry::Incremental_input_entry): Initialize new
4676         data member.
4677         (Incremental_input_entry::set_as_needed): New function.
4678         (Incremental_input_entry::as_needed): New function.
4679         (Incremental_input_entry::do_dynobj_entry): New function.
4680         (Incremental_input_entry::as_needed_): New data member.
4681         (Incremental_object_entry::Incremental_object_entry): Don't check
4682         for shared library.
4683         (Incremental_object_entry::do_type): Likewise.
4684         (class Incremental_dynobj_entry): New class.
4685         (Incremental_input_entry_reader::as_needed): New function.
4686         (Incremental_input_entry_reader::get_soname): New function.
4687         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
4688         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
4689         size of shared library info entry.
4690         * layout.cc (Layout::finish_dynamic_section): Don't test for
4691         incremental link when adding DT_NEEDED entries.
4692         * object.h (Object::Object): Initialize new data member.
4693         (Object::dynobj): New function.
4694         (Object::set_as_needed): New function.
4695         (Object::as_needed): New function.
4696         (Object::do_dynobj): New function.
4697         (Object::as_needed_): New data member.
4698
4699 2011-05-24 Cary Coutant  <ccoutant@google.com>
4700
4701         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
4702         info; adjust display of GOT entries.
4703         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
4704         vector of input objects; remove file_status_.
4705         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
4706         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
4707         got_plt reader; call target hooks to reserve GOT entries.
4708         (Output_section_incremental_inputs::set_final_data_size): Adjust size
4709         of input file info header and GOT info entry.
4710         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
4711         relocation info.
4712         (Got_plt_view_info::got_descriptor): Remove.
4713         (Got_plt_view_info::sym_index): New data member.
4714         (Got_plt_view_info::input_index): New data member.
4715         (Local_got_offset_visitor::visit): Write input file index.
4716         (Global_got_offset_visitor::visit): Write 0 for input file index.
4717         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
4718         with sym_index and input_index.
4719         (Output_section_incremental_inputs::write_got_plt): Adjust size of
4720         incremental info GOT entry; replace got_descriptor with input_index.
4721         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
4722         map from input file index to object.
4723         (Sized_relobj_incr::do_layout): Replace direct data member reference
4724         with accessor function.
4725         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
4726         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
4727         Adjust size of input file info header.
4728         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
4729         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
4730         (Incremental_input_entry_reader::get_input_section): Adjust size of
4731         input file info header.
4732         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
4733         of incremental info GOT entry.
4734         (Incremental_got_plt_reader::get_got_desc): Remove.
4735         (Incremental_got_plt_reader::get_got_symndx): New function.
4736         (Incremental_got_plt_reader::get_got_input_index): New function.
4737         (Sized_incremental_binary::Sized_incremental_binary): Remove
4738         file_status_; add input_objects_.
4739         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
4740         (Sized_incremental_binary::set_file_is_unchanged): Remove.
4741         (Sized_incremental_binary::file_is_unchanged): Remove.
4742         (Sized_incremental_binary::set_input_object): New function.
4743         (Sized_incremental_binary::input_object): New function.
4744         (Sized_incremental_binary::file_status_): Remove.
4745         (Sized_incremental_binary::input_objects_): New data member.
4746         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
4747         references.
4748         (Sized_relobj_incr::invalid_address): Move to base class.
4749         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
4750         class.
4751         (Sized_relobj_incr::do_output_section_offset): Likewise.
4752         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
4753         (Sized_relobj_incr::section_offsets_): Likewise.
4754         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
4755         function.
4756         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
4757         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
4758         with accessor function.
4759         (Sized_relobj_file::do_layout): Likewise.
4760         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
4761         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
4762         (Sized_relobj_file::compute_final_local_value): Replace refs to
4763         section_offsets_ with accessor function.
4764         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
4765         * object.h (Relobj::Relobj): Initialize new data members.
4766         (Relobj::add_dyn_reloc): New function.
4767         (Relobj::first_dyn_reloc): New function.
4768         (Relobj::dyn_reloc_count): New function.
4769         (Relobj::first_dyn_reloc_): New data member.
4770         (Relobj::dyn_reloc_count_): New data member.
4771         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
4772         references.
4773         (Sized_relobj::Address): New typedef.
4774         (Sized_relobj::invalid_address): Move here from child class.
4775         (Sized_relobj::Sized_relobj): Initialize new data members.
4776         (Sized_relobj::sized_relobj): New function.
4777         (Sized_relobj::is_output_section_offset_invalid): Move here from
4778         child class.
4779         (Sized_relobj::get_output_section_offset): Likewise.
4780         (Sized_relobj::local_has_got_offset): Likewise.
4781         (Sized_relobj::local_got_offset): Likewise.
4782         (Sized_relobj::set_local_got_offset): Likewise.
4783         (Sized_relobj::do_for_all_local_got_entries): Likewise.
4784         (Sized_relobj::clear_got_offsets): New function.
4785         (Sized_relobj::section_offsets): Move here from child class.
4786         (Sized_relobj::do_output_section_offset): Likewise.
4787         (Sized_relobj::do_set_section_offset): Likewise.
4788         (Sized_relobj::Local_got_offsets): Likewise.
4789         (Sized_relobj::local_got_offsets_): Likewise.
4790         (Sized_relobj::section_offsets_): Likewise.
4791         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
4792         references.
4793         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
4794         class.
4795         (Sized_relobj_file::sized_relobj): New function
4796         (Sized_relobj_file::local_has_got_offset): Move to base class.
4797         (Sized_relobj_file::local_got_offset): Likewise.
4798         (Sized_relobj_file::set_local_got_offset): Likewise.
4799         (Sized_relobj_file::get_output_section_offset): Likewise.
4800         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
4801         (Sized_relobj_file::do_output_section_offset): Likewise.
4802         (Sized_relobj_file::do_set_section_offset): Likewise.
4803         (Sized_relobj_file::Local_got_offsets): Likewise.
4804         (Sized_relobj_file::local_got_offsets_): Likewise.
4805         (Sized_relobj_file::section_offsets_): Likewise.
4806         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
4807         (all constructors).
4808         (set_needs_dynsym_index): Convert relobj to derived class pointer.
4809         (Output_reloc::get_symbol_index): Likewise.
4810         (Output_reloc::local_section_offset): Likewise.
4811         (Output_reloc::get_address): Likewise.
4812         (Output_reloc::symbol_value): Likewise.
4813         (Output_data_got::reserve_slot): Move to class definition.
4814         (Output_data_got::reserve_local): New function.
4815         (Output_data_got::reserve_slot_for_global): Remove.
4816         (Output_data_got::reserve_global): New function.
4817         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
4818         (all constructors, two instantiations).
4819         (Output_reloc::get_relobj): New function (two instantiations).
4820         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
4821         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
4822         (Output_data_reloc::add_global): Adjust type of relobj.
4823         (Output_data_reloc::add_global_relative): Likewise.
4824         (Output_data_reloc::add_symbolless_global_addend): Likewise.
4825         (Output_data_reloc::add_local): Likewise.
4826         (Output_data_reloc::add_local_relative): Likewise.
4827         (Output_data_reloc::add_symbolless_local_addend): Likewise.
4828         (Output_data_reloc::add_local_section): Likewise.
4829         (Output_data_reloc::add_output_section): Likewise.
4830         (Output_data_reloc::add_absolute): Likewise.
4831         (Output_data_reloc::add_target_specific): Likewise.
4832         (Output_data_got::reserve_slot): Move definition here.
4833         (Output_data_got::reserve_local): New function.
4834         (Output_data_got::reserve_global): New function.
4835         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
4836         section_offsets_ with accessor function.
4837         (Sized_relobj_file::write_sections): Likewise.
4838         (Sized_relobj_file::do_relocate_sections): Likewise.
4839         * target.h (Sized_target::reserve_local_got_entry): New function.
4840         (Sized_target::reserve_global_got_entry): New function.
4841         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
4842         (Target_x86_64::reserve_global_got_entry): New function.
4843         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
4844
4845 2011-05-23 Cary Coutant  <ccoutant@google.com>
4846
4847         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
4848         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
4849         bit when checking got_type.
4850         * incremental.cc (Sized_incremental_binary::setup_readers):
4851         Store symbol table and string table locations; initialize bit vector
4852         of file status flags.
4853         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
4854         unchanged files.
4855         (Sized_incremental_binary::do_process_got_plt): New function.
4856         (Sized_incremental_binary::get_symtab_view): Use stored locations.
4857         (Output_section_incremental_inputs::set_final_data_size): Record
4858         file index for each input file.
4859         (Output_section_incremental_inputs::write_got_plt): Store file index
4860         instead of input entry offset for each GOT entry.
4861         * incremental.h
4862         (Incremental_input_entry::Incremental_input_entry): Initialize new
4863         data member.
4864         (Incremental_input_entry::set_offset): Store file index.
4865         (Incremental_input_entry::get_file_index): New function.
4866         (Incremental_input_entry::file_index_): New data member.
4867         (Incremental_binary::process_got_plt): New function.
4868         (Incremental_binary::do_process_got_plt): New function.
4869         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
4870         data members.
4871         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
4872         (Sized_incremental_binary::set_file_is_unchanged): New function.
4873         (Sized_incremental_binary::file_is_unchanged): New function.
4874         (Sized_incremental_binary::do_process_got_plt): New function.
4875         (Sized_incremental_binary::file_status_): New data member.
4876         (Sized_incremental_binary::main_symtab_loc_): New data member.
4877         (Sized_incremental_binary::main_strtab_loc_): New data member.
4878         * output.cc (Output_data_got::Got_entry::write): Add case
4879         RESERVED_CODE.
4880         (Output_data_got::add_global): Call add_got_entry.
4881         (Output_data_got::add_global_plt): Likewise.
4882         (Output_data_got::add_global_with_rel): Likewise.
4883         (Output_data_got::add_global_with_rela): Likewise.
4884         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
4885         (Output_data_got::add_global_pair_with_rela): Likewise.
4886         (Output_data_got::add_local): Call add_got_entry.
4887         (Output_data_got::add_local_plt): Likewise.
4888         (Output_data_got::add_local_with_rel): Likewise.
4889         (Output_data_got::add_local_with_rela): Likewise.
4890         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
4891         (Output_data_got::add_local_pair_with_rela): Likewise.
4892         (Output_data_got::reserve_slot): New function.
4893         (Output_data_got::reserve_slot_for_global): New function.
4894         (Output_data_got::add_got_entry): New function.
4895         (Output_data_got::add_got_entry_pair): New function.
4896         (Output_section::add_output_section_data): Edit FIXME.
4897         * output.h
4898         (Output_section_data_build::Output_section_data_build): New
4899         constructor with size parameter.
4900         (Output_data_space::Output_data_space): Likewise.
4901         (Output_data_got::Output_data_got): Initialize new data member; new
4902         constructor with size parameter.
4903         (Output_data_got::add_constant): Call add_got_entry.
4904         (Output_data_got::reserve_slot): New function.
4905         (Output_data_got::reserve_slot_for_global): New function.
4906         (class Output_data_got::Got_entry): Add RESERVED_CODE.
4907         (Output_data_got::add_got_entry): New function.
4908         (Output_data_got::add_got_entry_pair): New function.
4909         (Output_data_got::free_list_): New data member.
4910         * target.h (Sized_target::init_got_plt_for_update): New function.
4911         (Sized_target::register_global_plt_entry): New function.
4912         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
4913         Initialize new data member; call init; add constructor with PLT count.
4914         (Output_data_plt_x86_64::init): New function.
4915         (Output_data_plt_x86_64::add_relocation): New function.
4916         (Output_data_plt_x86_64::reserve_slot): New function.
4917         (Output_data_plt_x86_64::free_list_): New data member.
4918         (Target_x86_64::init_got_plt_for_update): New function.
4919         (Target_x86_64::register_global_plt_entry): New function.
4920         (Output_data_plt_x86_64::add_entry): Allocate from free list for
4921         incremental updates.
4922         (Output_data_plt_x86_64::add_relocation): New function.
4923         * testsuite/object_unittest.cc (Object_test): Set default options.
4924
4925 2011-05-16  Ian Lance Taylor  <iant@google.com>
4926
4927         * options.h (class General_options): Make -i a synonym for -r.
4928
4929 2011-05-16  Ian Lance Taylor  <iant@google.com>
4930
4931         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
4932
4933 2011-05-10 Cary Coutant  <ccoutant@google.com>
4934
4935         * object.cc (Sized_relobj::do_count_local_symbols): Check for
4936         strip_all (-s).
4937
4938 2011-05-06  Ian Lance Taylor  <iant@google.com>
4939
4940         * layout.cc (Layout::layout): If the output section flags change,
4941         update the ordering.
4942
4943 2011-04-25 Cary Coutant  <ccoutant@google.com>
4944
4945         * incremental-dump.cc (dump_incremental_inputs): Print local
4946         symbol info for each input file.
4947         * incremental.cc
4948         (Output_section_incremental_inputs::set_final_data_size): Add local
4949         symbol info to input file entries in incremental info.
4950         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4951         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
4952         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
4953         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
4954         implementation.
4955         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
4956         (Sized_incr_relobj::do_relocate): Write the local symbols.
4957         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
4958         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
4959         Adjust size of input file header.
4960         (Incremental_inputs_reader::get_local_symbol_offset): New function.
4961         (Incremental_inputs_reader::get_local_symbol_count): New function.
4962         (Incremental_inputs_reader::get_input_section): Adjust size of input
4963         file header.
4964         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
4965         (Sized_incr_relobj::This): New typedef.
4966         (Sized_incr_relobj::sym_size): New const data member.
4967         (Sized_incr_relobj::Local_symbol): New struct.
4968         (Sized_incr_relobj::do_output_local_symbol_count): New function.
4969         (Sized_incr_relobj::do_local_symbol_offset): New function.
4970         (Sized_incr_relobj::local_symbol_count_): New data member.
4971         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
4972         (Sized_incr_relobj::local_symbol_index_): New data member.
4973         (Sized_incr_relobj::local_symbol_offset_): New data member.
4974         (Sized_incr_relobj::local_dynsym_offset_): New data member.
4975         (Sized_incr_relobj::local_symbols_): New data member.
4976         * object.h (Relobj::output_local_symbol_count): New function.
4977         (Relobj::local_symbol_offset): New function.
4978         (Relobj::do_output_local_symbol_count): New function.
4979         (Relobj::do_local_symbol_offset): New function.
4980         (Sized_relobj::do_output_local_symbol_count): New function.
4981         (Sized_relobj::do_local_symbol_offset): New function.
4982
4983 2011-04-22  Vladimir Simonov  <sv@sw.ru>
4984
4985         * descriptors.cc (set_close_on_exec): New function.
4986         (Descriptors::open): Use set_close_on_exec.
4987         * output.cc (S_ISLNK): Define if not defined.
4988
4989 2011-04-22 Cary Coutant  <ccoutant@google.com>
4990
4991         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
4992         global symbol map.
4993         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
4994         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
4995         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
4996         relocations.
4997         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
4998         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
4999         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
5000         * incremental.h
5001         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
5002         function.
5003         (Incremental_binary::apply_incremental_relocs): New function.
5004         (Incremental_binary::do_apply_incremental_relocs): New function.
5005         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
5006         data member.
5007         (Sized_incremental_binary::add_global_symbol): New function.
5008         (Sized_incremental_binary::global_symbol): New function.
5009         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
5010         (Sized_incremental_binary::symbol_map_): New data member.
5011         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
5012         * target.h (Sized_target::apply_relocation): New function.
5013         * target-reloc.h (apply_relocation): New function.
5014         * x86_64.cc (Target_x86_64::apply_relocation): New function.
5015
5016 2011-04-22  Doug Kwan  <dougkwan@google.com>
5017
5018         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
5019         flag of a SHT_ARM_EXIDX section.
5020         * testsuite/Makefile.am (arm_exidx_test): New test rules.
5021         * testsuite/Makefile.in: Regenerate.
5022         * testsuite/arm_exidx_test.s: New file.
5023         * testsuite/arm_exidx_test.sh: Same.
5024
5025 2011-04-20 Cary Coutant  <ccoutant@google.com>
5026
5027         PR gold/12689
5028         * archive.h (Incremental_archive_entry::Archive_member):
5029         Initialize arg_serial_ (second constructor).
5030
5031 2011-04-17  Ian Lance Taylor  <iant@google.com>
5032
5033         * object.cc (Relocate_info::location): Simplify location string.
5034         * errors.cc (Errors::error_at_location): Don't print program
5035         name.
5036         (Errors::warning_at_location): Likewise.
5037         (Errors::undefined_symbol): Likewise.
5038         * testsuite/debug_msg.sh: Update accordingly.
5039
5040 2011-04-14 Cary Coutant  <ccoutant@google.com>
5041
5042         * gold/layout.cc (Layout::symtab_section_offset): New function.
5043         * gold/layout.h (Layout::symtab_section_offset): New function.
5044         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
5045
5046 2011-04-12  Ian Lance Taylor  <iant@google.com>
5047
5048         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
5049         with MREMAP_MAYMOVE.
5050         * output.h (class Output_file): Add map_is_allocated_ field.
5051         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
5052         not available, provide stubs.  If mremap is not available, #define
5053         it to gold_mremap.
5054         (MREMAP_MAYMOVE): Define if not defined.
5055         (Output_file::Output_file): Initialize map_is_allocated_.
5056         (Output_file::resize): Check map_is_allocated_.
5057         (Output_file::map_anonymous): If mmap fails, use malloc.
5058         (Output_file::unmap): Don't do anything for an anonymous map.
5059         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
5060         is not available, provide stubs.
5061         (File_read::View::~View): Use free rather than delete[].
5062         (File_read::make_view): Use malloc rather than new[].  If mmap
5063         fails, use malloc.
5064         (File_read::find_or_make_view): Use malloc rather than new[].
5065         * gold.h: Remove HAVE_REMAP code.
5066         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
5067         exists.  Rename mremap to gold_mremap.  If mmap is not available
5068         don't do anything.
5069         * configure, config.in: Rebuild.
5070
5071 2011-04-11  Ian Lance Taylor  <iant@google.com>
5072
5073         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
5074         initialize local variable v.
5075
5076 2011-04-11  Cary Coutant  <ccoutant@google.com>
5077
5078         * archive.cc (Archive::include_member): Adjust call to
5079         report_object.
5080         (Add_archive_symbols::run): Track argument serial numbers.
5081         (Lib_group::include_member): Likewise.
5082         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
5083         * archive.h (Incremental_archive_entry::Archive_member):
5084         Initialize arg_serial_.
5085         (Archive_member::arg_serial_): New data member.
5086         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
5087         (Sized_dynobj::do_add_symbols): Track symbols when doing an
5088         incremental link.
5089         (Sized_dynobj::do_for_all_local_got_entries): New function.
5090         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
5091         function.
5092         * fileread.cc (get_mtime): New function.
5093         * fileread.h (get_mtime): New function.
5094         * gold.cc (queue_initial_tasks): Check for incremental update.
5095         (process_incremental_input): New function.
5096         (queue_middle_tasks): Don't force valid target for incremental
5097         update.
5098         * incremental-dump.cc (find_input_containing_global): Adjust
5099         size of symbol info entry.
5100         (dump_incremental_inputs): Dump argument serial number and
5101         in_system_directory flag; bias shndx by 1; print symbol names
5102         when dumping per-file symbol lists; use new symbol info readers.
5103         * incremental.cc
5104         (Output_section_incremental_inputs:update_data_size): New function.
5105         (Sized_incremental_binary::setup_readers): Setup input readers
5106         for each input file; build maps for files added from libraries
5107         and scripts.
5108         (Sized_incremental_binary::check_input_args): New function.
5109         (Sized_incremental_binary::do_check_inputs): Build map of argument
5110         serial numbers to input arguments.
5111         (Sized_incremental_binary::do_file_has_changed): Rename
5112         do_file_is_unchanged to this; compare file modification times.
5113         (Sized_incremental_binary::do_init_layout): New function.
5114         (Sized_incremental_binary::do_reserve_layout): New function.
5115         (Sized_incremental_binary::do_get_input_reader): Remove.
5116         (Sized_incremental_binary::get_symtab_view): New function.
5117         (Incremental_checker::can_incrementally_link_output_file): Remove.
5118         (Incremental_inputs::report_command_line): Exclude --debug options.
5119         (Incremental_inputs::report_archive_begin): Add parameter; track
5120         argument serial numbers; don't put input file entry for archive
5121         before archive members.
5122         (Incremental_inputs::report_archive_end): Put input file entry
5123         for archive after archive members.
5124         (Incremental_inputs::report_object): Add parameter; track argument
5125         serial numbers and in_system_directory flag.
5126         (Incremental_inputs::report_script): Add parameter; track argument
5127         serial numbers.
5128         (Output_section_incremental_inputs::set_final_data_size): Adjust
5129         size of symbol info entry; check for forwarding symbols.
5130         (Output_section_incremental_inputs::write_input_files): Write
5131         in_system_directory flag and argument serial number.
5132         (Output_section_incremental_inputs::write_info_blocks): Map section
5133         indices between incremental info and original input file; store
5134         input section index for each symbol.
5135         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
5136         change operator() to visit().
5137         (class Global_got_offset_visitor): Likewise.
5138         (class Global_symbol_visitor_got_plt):
5139         (Output_section_incremental_inputs::write_got_plt): Use new visitor
5140         classes.
5141         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
5142         (Sized_incr_relobj::do_read_symbols): New function.
5143         (Sized_incr_relobj::do_layout): New function.
5144         (Sized_incr_relobj::do_layout_deferred_sections): New function.
5145         (Sized_incr_relobj::do_add_symbols): New function.
5146         (Sized_incr_relobj::do_should_include_member): New function.
5147         (Sized_incr_relobj::do_for_all_global_symbols): New function.
5148         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
5149         (Sized_incr_relobj::do_section_size): New function.
5150         (Sized_incr_relobj::do_section_name): New function.
5151         (Sized_incr_relobj::do_section_contents): New function.
5152         (Sized_incr_relobj::do_section_flags): New function.
5153         (Sized_incr_relobj::do_section_entsize): New function.
5154         (Sized_incr_relobj::do_section_address): New function.
5155         (Sized_incr_relobj::do_section_type): New function.
5156         (Sized_incr_relobj::do_section_link): New function.
5157         (Sized_incr_relobj::do_section_info): New function.
5158         (Sized_incr_relobj::do_section_addralign): New function.
5159         (Sized_incr_relobj::do_initialize_xindex): New function.
5160         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
5161         (Sized_incr_relobj::do_read_relocs): New function.
5162         (Sized_incr_relobj::do_gc_process_relocs): New function.
5163         (Sized_incr_relobj::do_scan_relocs): New function.
5164         (Sized_incr_relobj::do_count_local_symbols): New function.
5165         (Sized_incr_relobj::do_finalize_local_symbols): New function.
5166         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
5167         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
5168         (Sized_incr_relobj::do_relocate): New function.
5169         (Sized_incr_relobj::do_set_section_offset): New function.
5170         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
5171         (Sized_incr_dynobj::do_read_symbols): New function.
5172         (Sized_incr_dynobj::do_layout): New function.
5173         (Sized_incr_dynobj::do_add_symbols): New function.
5174         (Sized_incr_dynobj::do_should_include_member): New function.
5175         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
5176         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
5177         (Sized_incr_dynobj::do_section_size): New function.
5178         (Sized_incr_dynobj::do_section_name): New function.
5179         (Sized_incr_dynobj::do_section_contents): New function.
5180         (Sized_incr_dynobj::do_section_flags): New function.
5181         (Sized_incr_dynobj::do_section_entsize): New function.
5182         (Sized_incr_dynobj::do_section_address): New function.
5183         (Sized_incr_dynobj::do_section_type): New function.
5184         (Sized_incr_dynobj::do_section_link): New function.
5185         (Sized_incr_dynobj::do_section_info): New function.
5186         (Sized_incr_dynobj::do_section_addralign): New function.
5187         (Sized_incr_dynobj::do_initialize_xindex): New function.
5188         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
5189         (make_sized_incremental_object): New function.
5190         (Incremental_library::copy_unused_symbols): New function.
5191         (Incremental_library::do_for_all_unused_symbols): New function.
5192         * incremental.h (enum Incremental_input_flags): New type.
5193         (class Incremental_checker): Remove.
5194         (Incremental_input_entry::Incremental_input_entry): Add argument
5195         serial number.
5196         (Incremental_input_entry::arg_serial): New function.
5197         (Incremental_input_entry::set_is_in_system_directory): New function.
5198         (Incremental_input_entry::is_in_system_directory): New function.
5199         (Incremental_input_entry::arg_serial_): New data member.
5200         (Incremental_input_entry::is_in_system_directory_): New data member.
5201         (class Script_info): Move here from script.h.
5202         (Script_info::Script_info): Add filename parameter.
5203         (Script_info::filename): New function.
5204         (Script_info::filename_): New data member.
5205         (Incremental_script_entry::Incremental_script_entry): Add argument
5206         serial number.
5207         (Incremental_object_entry::Incremental_object_entry): Likewise.
5208         (Incremental_object_entry::add_input_section): Build list of input
5209         sections with map to original shndx.
5210         (Incremental_object_entry::get_input_section_index): New function.
5211         (Incremental_object_entry::shndx_): New data member.
5212         (Incremental_object_entry::name_key_): Rename; adjust all refs.
5213         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
5214         (Incremental_archive_entry::Incremental_archive_entry): Add argument
5215         serial number.
5216         (Incremental_inputs::report_archive_begin): Likewise.
5217         (Incremental_inputs::report_object): Likewise.
5218         (Incremental_inputs::report_script): Likewise.
5219         (class Incremental_global_symbol_reader): New class.
5220         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
5221         and store flags and input file type.
5222         (Incremental_input_entry_reader::arg_serial): New function.
5223         (Incremental_input_entry_reader::type): Extract type from flags.
5224         (Incremental_input_entry_reader::is_in_system_directory): New function.
5225         (Incremental_input_entry_reader::get_input_section_count): Call
5226         accessor function for type.
5227         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
5228         function for type; adjust size of global symbol entry.
5229         (Incremental_input_entry_reader::get_global_symbol_count): Call
5230         accessor function for type.
5231         (Incremental_input_entry_reader::get_object_count): Likewise.
5232         (Incremental_input_entry_reader::get_object_offset): Likewise.
5233         (Incremental_input_entry_reader::get_member_count): Likewise.
5234         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
5235         (Incremental_input_entry_reader::get_member_offset): Likewise.
5236         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
5237         (Incremental_input_entry_reader::Global_symbol_info): Remove.
5238         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
5239         (Incremental_input_entry_reader::get_global_symbol_reader): New
5240         function.
5241         (Incremental_input_entry_reader::get_output_symbol_index): New
5242         function.
5243         (Incremental_input_entry_reader::type_): Remove.
5244         (Incremental_input_entry_reader::flags_): New data member.
5245         (Incremental_inputs_reader::input_file_offset): New function.
5246         (Incremental_inputs_reader::input_file_index): New function.
5247         (Incremental_inputs_reader::input_file): Call input_file_offset.
5248         (Incremental_inputs_reader::input_file_at_offset): New function.
5249         (Incremental_relocs_reader::get_r_type): Reformat.
5250         (Incremental_relocs_reader::get_r_shndx): Reformat.
5251         (Incremental_relocs_reader::get_r_offset): Reformat.
5252         (Incremental_relocs_reader::data): New function.
5253         (Incremental_binary::Incremental_binary): Initialize new data members.
5254         (Incremental_binary::check_inputs): Add cmdline parameter.
5255         (Incremental_binary::file_is_unchanged): Remove.
5256         (Input_reader::arg_serial): New function.
5257         (Input_reader::get_unused_symbol_count): New function.
5258         (Input_reader::get_unused_symbol): New function.
5259         (Input_reader::do_arg_serial): New function.
5260         (Input_reader::do_get_unused_symbol_count): New function.
5261         (Input_reader::do_get_unused_symbol): New function.
5262         (Incremental_binary::input_file_count): New function.
5263         (Incremental_binary::get_input_reader): Change signature to use
5264         index instead of filename.
5265         (Incremental_binary::file_has_changed): New function.
5266         (Incremental_binary::get_input_argument): New function.
5267         (Incremental_binary::get_library): New function.
5268         (Incremental_binary::get_script_info): New function.
5269         (Incremental_binary::init_layout): New function.
5270         (Incremental_binary::reserve_layout): New function.
5271         (Incremental_binary::output_file): New function.
5272         (Incremental_binary::do_check_inputs): New function.
5273         (Incremental_binary::do_file_is_unchanged): Remove.
5274         (Incremental_binary::do_file_has_changed): New function.
5275         (Incremental_binary::do_init_layout): New function.
5276         (Incremental_binary::do_reserve_layout): New function.
5277         (Incremental_binary::do_input_file_count): New function.
5278         (Incremental_binary::do_get_input_reader): Change signature.
5279         (Incremental_binary::input_args_map_): New data member.
5280         (Incremental_binary::library_map_): New data member.
5281         (Incremental_binary::script_map_): New data member.
5282         (Sized_incremental_binary::Sized_incremental_binary): Initialize
5283         new data members.
5284         (Sized_incremental_binary::output_section): New function.
5285         (Sized_incremental_binary::inputs_reader): Add const.
5286         (Sized_incremental_binary::symtab_reader): Add const.
5287         (Sized_incremental_binary::relocs_reader): Add const.
5288         (Sized_incremental_binary::got_plt_reader): Add const.
5289         (Sized_incremental_binary::get_symtab_view): New function.
5290         (Sized_incremental_binary::Inputs_reader): New typedef.
5291         (Sized_incremental_binary::Input_entry_reader): New typedef.
5292         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
5293         (Sized_incremental_binary::do_file_is_unchanged): Remove.
5294         (Sized_incremental_binary::do_file_has_changed): New function.
5295         (Sized_incremental_binary::do_init_layout): New function.
5296         (Sized_incremental_binary::do_reserve_layout): New function.
5297         (Sized_input_reader::Inputs_reader): Remove.
5298         (Sized_input_reader::Input_entry_reader): Remove.
5299         (Sized_input_reader::do_arg_serial): New function.
5300         (Sized_input_reader::do_get_unused_symbol_count): New function.
5301         (Sized_input_reader::do_get_unused_symbol): New function.
5302         (Sized_incremental_binary::do_input_file_count): New function.
5303         (Sized_incremental_binary::do_get_input_reader): Change signature;
5304         use index instead of filename.
5305         (Sized_incremental_binary::section_map_): New data member.
5306         (Sized_incremental_binary::input_entry_readers_): New data member.
5307         (class Sized_incr_relobj): New class.
5308         (class Sized_incr_dynobj): New class.
5309         (make_sized_incremental_object): New function.
5310         (class Incremental_library): New class.
5311         * layout.cc (Free_list::num_lists): New static data member.
5312         (Free_list::num_nodes): New static data member.
5313         (Free_list::num_removes): New static data member.
5314         (Free_list::num_remove_visits): New static data member.
5315         (Free_list::num_allocates): New static data member.
5316         (Free_list::num_allocate_visits): New static data member.
5317         (Free_list::init): New function.
5318         (Free_list::remove): New function.
5319         (Free_list::allocate): New function.
5320         (Free_list::dump): New function.
5321         (Free_list::print_stats): New function.
5322         (Layout_task_runner::run): Resize output file for incremental updates.
5323         (Layout::Layout): Initialize new data members.
5324         (Layout::set_incremental_base): New function.
5325         (Layout::init_fixed_output_section): New function.
5326         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
5327         incremental updates.
5328         (Layout::create_gold_note): Do not create gold note section for
5329         incremental updates.
5330         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
5331         for incremental updates.
5332         (Layout::set_section_offsets): For incremental updates, allocate space
5333         from free list.
5334         (Layout::create_symtab_sections): Layout with offsets relative to
5335         start of section; for incremental updates, allocate space from free
5336         list.
5337         (Layout::create_shdrs): For incremental updates, allocate space from
5338         free list.
5339         (Layout::finish_dynamic_section): For incremental updates, do not
5340         check --as-needed (fixed in subsequent patch).
5341         * layout.h (class Free_list): New class.
5342         (Layout::set_incremental_base): New function.
5343         (Layout::incremental_base): New function.
5344         (Layout::init_fixed_output_section): New function.
5345         (Layout::allocate): New function.
5346         (Layout::incremental_base_): New data member.
5347         (Layout::free_list_): New data member.
5348         * main.cc (main): Print Free_list statistics.
5349         * object.cc (Relobj::finalize_incremental_relocs): Add
5350         clear_counts parameter; clear counts only when clear_counts is set.
5351         (Sized_relobj::Sized_relobj): Initialize new base class.
5352         (Sized_relobj::do_layout): Don't report special sections.
5353         (Sized_relobj::do_for_all_local_got_entries): New function.
5354         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
5355         symtab_off to all symbol table offsets.
5356         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
5357         * object.h (class Got_offset_list): Move to top of file.
5358         (Object::Object): Allow case where input_file == NULL.
5359         (Object::~Object): Likewise.
5360         (Object::input_file): Assert that input_file != NULL.
5361         (Object::lock): Allow case where input_file == NULL.
5362         (Object::unlock): Likewise.
5363         (Object::is_locked): Likewise.
5364         (Object::token): Likewise.
5365         (Object::release): Likewise.
5366         (Object::is_incremental): New function.
5367         (Object::get_mtime): New function.
5368         (Object::for_all_local_got_entries): New function.
5369         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
5370         (Object::set_is_in_system_directory): New function.
5371         (Object::is_in_system_directory): New function.
5372         (Object::do_is_incremental): New function.
5373         (Object::do_get_mtime): New function.
5374         (Object::do_for_all_local_got_entries): New function.
5375         (Object::is_in_system_directory_): New data member.
5376         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
5377         (class Sized_relobj_base): New class.
5378         (class Sized_relobj): Derive from Sized_relobj_base.
5379         (class Sized_relobj::Symbols): Redeclare from base class.
5380         (class Sized_relobj::local_got_offset_list): Remove.
5381         (class Sized_relobj::Output_sections): Redeclare from base class.
5382         (class Sized_relobj::do_for_all_local_got_entries): New function.
5383         (class Sized_relobj::write_local_symbols): Add offset parameter.
5384         (class Sized_relobj::local_symbol_offset_): Update comment.
5385         (class Sized_relobj::local_dynsym_offset_): Update comment.
5386         * options.cc (Input_arguments::add_file): Remove const.
5387         * options.h (Input_file_argument::Input_file_argument):
5388         Initialize arg_serial_ (all constructors).
5389         (Input_file_argument::set_arg_serial): New function.
5390         (Input_file_argument::arg_serial): New function.
5391         (Input_file_argument::arg_serial_): New data member.
5392         (Input_arguments::Input_arguments): Initialize file_count_.
5393         (Input_arguments::add_file): Remove const.
5394         (Input_arguments::number_of_input_files): New function.
5395         (Input_arguments::file_count_): New data member.
5396         (Command_line::number_of_input_files): Call
5397         Input_arguments::number_of_input_files.
5398         * output.cc (Output_segment_headers::Output_segment_headers):
5399         Set current size.
5400         (Output_section::Input_section::current_data_size): New function.
5401         (Output_section::Output_section): Initialize new data members.
5402         (Output_section::add_input_section): Don't do merge sections for
5403         an incremental link; allocate space from free list for an
5404         incremental update.
5405         (Output_section::add_output_section_data): Allocate space from
5406         free list for an incremental update.
5407         (Output_section::update_data_size): New function.
5408         (Output_section::set_fixed_layout): New function.
5409         (Output_section::reserve): New function.
5410         (Output_segment::set_section_addresses): Remove const.
5411         (Output_segment::set_section_list_addresses): Remove const; allocate
5412         space from free list for an incremental update.
5413         (Output_segment::set_offset): Adjust size of RELRO segment for an
5414         incremental update.
5415         * output.h (Output_data::current_data_size): Move here from
5416         child classes.
5417         (Output_data::pre_finalize_data_size): New function.
5418         (Output_data::update_data_size): New function.
5419         (Output_section_headers::update_data_size): new function.
5420         (Output_section_data_build::current_data_size): Move to Output_data.
5421         (Output_data_strtab::update_data_size): New function.
5422         (Output_section::current_data_size): Move to Output_data.
5423         (Output_section::set_fixed_layout): New function.
5424         (Output_section::has_fixed_layout): New function.
5425         (Output_section::reserve): New function.
5426         (Output_section::update_data_size): New function.
5427         (Output_section::has_fixed_layout_): New data member.
5428         (Output_section::free_list_): New data member.
5429         (Output_segment::set_section_addresses): Remove const.
5430         (Output_segment::set_section_list_addresses): Remove const.
5431         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
5432         New function.
5433         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
5434         New function.
5435         * readsyms.cc (Read_symbols::do_read_symbols): Add library
5436         parameter when calling Add_symbols constructor; store argument
5437         serial number for members of a lib group.
5438         (Add_symbols::locks): Allow case where token == NULL.
5439         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
5440         (Read_member::~Read_member): New function.
5441         (Read_member::is_runnable): New function.
5442         (Read_member::locks): New function.
5443         (Read_member::run): New function.
5444         (Check_script::~Check_script): New function.
5445         (Check_script::is_runnable): New function.
5446         (Check_script::locks): New function.
5447         (Check_script::run): New function.
5448         (Check_library::~Check_library): New function.
5449         (Check_library::is_runnable): New function.
5450         (Check_library::locks): New function.
5451         (Check_library::run): New function.
5452         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
5453         (Add_symbols::library_): New data member.
5454         (class Read_member): New class.
5455         (class Check_script): New class.
5456         (class Check_library): New class.
5457         * reloc.cc (Read_relocs::is_runnable): Allow case where
5458         token == NULL.
5459         (Read_relocs::locks): Likewise.
5460         (Scan_relocs::locks): Likewise.
5461         (Relocate_task::locks): Likewise.
5462         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
5463         to clear counters.
5464         (Sized_relobj::incremental_relocs_scan): Fix comment.
5465         (Sized_relobj::do_relocate): Pass output file offset to
5466         write_local_symbols.
5467         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
5468         from class declaration.
5469         * script.cc (read_input_script): Allocate Script_info; pass
5470         argument serial number to report_script.
5471         * script.h (class Script_info): Move to incremental.h.
5472         * symtab.cc (Symbol_table::add_from_incrobj): New function.
5473         * symtab.h (Symbol_table::add_from_incrobj): New function.
5474         (Symbol_table::set_file_offset): New function.
5475
5476 2011-04-05  Cary Coutant  <ccoutant@google.com>
5477
5478         * incremental-dump.cc (dump_incremental_inputs): Change signature
5479         to take a Sized_incremental_binary; change caller.  Use readers
5480         in Sized_incremental_binary.
5481         * incremental.cc
5482         (Sized_incremental_binary::find_incremental_inputs_sections):
5483         Rename do_find_incremental_inputs_sections to this.
5484         (Sized_incremental_binary::setup_readers): New function.
5485         (Sized_incremental_binary::do_check_inputs): Check
5486         has_incremental_info_ flag; move setup code to setup_readers;
5487         use input readers.
5488         (Sized_incremental_binary::do_file_is_unchanged): New function.
5489         (Sized_incremental_binary::do_get_input_reader): New function.
5490         * incremental.h (class Incremental_binary): Move to end of file.
5491         (Incremental_binary::file_is_unchanged): New function.
5492         (Incremental_binary::do_file_is_unchanged): New function.
5493         (Incremental_binary::Input_reader): New class.
5494         (Incremental_binary::get_input_reader): New function.
5495         (class Sized_incremental_binary): Move to end of file.
5496         (Sized_incremental_binary::Sized_incremental_binary): Setup the
5497         input section reader classes.
5498         (Sized_incremental_binary::has_incremental_info): New function.
5499         (Sized_incremental_binary::inputs_reader): New function.
5500         (Sized_incremental_binary::symtab_reader): New function.
5501         (Sized_incremental_binary::relocs_reader): New function.
5502         (Sized_incremental_binary::got_plt_reader): New function.
5503         (Sized_incremental_binary::do_file_is_unchanged): New function.
5504         (Sized_incremental_binary::Sized_input_reader): New class.
5505         (Sized_incremental_binary::get_input_reader): New function.
5506         (Sized_incremental_binary::find_incremental_inputs_sections):
5507         Rename do_find_incremental_inputs_sections to this.
5508         (Sized_incremental_binary::setup_readers): New function.
5509         (Sized_incremental_binary::has_incremental_info_): New data member.
5510         (Sized_incremental_binary::inputs_reader_): New data member.
5511         (Sized_incremental_binary::symtab_reader_): New data member.
5512         (Sized_incremental_binary::relocs_reader_): New data member.
5513         (Sized_incremental_binary::got_plt_reader_): New data member.
5514         (Sized_incremental_binary::current_input_file_): New data member.
5515
5516 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
5517
5518         PR gold/12640
5519         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
5520         violation.
5521
5522 2011-03-30  Cary Coutant  <ccoutant@google.com>
5523
5524         * archive.cc (Archive::include_member): Adjust call to report_object.
5525         (Add_archive_symbols::run): Add script_info to call to
5526         report_archive_begin.
5527         (Lib_group::include_member): Adjust call to report_object.
5528         (Add_lib_group_symbols::run): Adjust call to report_object.
5529         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
5530         blocks.  Add object count for script input files.
5531         * incremental.cc (Incremental_inputs::report_archive_begin): Add
5532         script_info parameter; change all callers.
5533         (Incremental_inputs::report_object): Add script_info parameter;
5534         change all callers.
5535         (Incremental_inputs::report_script): Store backpointer to
5536         incremental info entry.
5537         (Output_section_incremental_inputs::set_final_data_size): Record
5538         additional information for scripts.
5539         (Output_section_incremental_inputs::write_info_blocks): Likewise.
5540         * incremental.h (Incremental_script_entry::add_object): New function.
5541         (Incremental_script_entry::get_object_count): New function.
5542         (Incremental_script_entry::get_object): New function.
5543         (Incremental_script_entry::objects_): New data member; adjust
5544         constructor.
5545         (Incremental_inputs::report_archive_begin): Add script_info parameter.
5546         (Incremental_inputs::report_object): Add script_info parameter.
5547         (Incremental_inputs_reader::get_object_count): New function.
5548         (Incremental_inputs_reader::get_object_offset): New function.
5549         * options.cc (Input_arguments::add_file): Return reference to
5550         new input argument.
5551         * options.h (Input_argument::set_script_info): New function.
5552         (Input_argument::script_info): New function.
5553         (Input_argument::script_info_): New data member; adjust all
5554         constructors.
5555         (Input_file_group::add_file): Return reference to new input argument.
5556         (Input_file_lib::add_file): Likewise.
5557         (Input_arguments::add_file): Likewise.
5558         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
5559         * script.cc (Parser_closure::Parser_closure): Add script_info
5560         parameter; adjust all callers.
5561         (Parser_closure::script_info): New function.
5562         (Parser_closure::script_info_): New data member.
5563         (read_input_script): Report scripts earlier to incremental info.
5564         (script_add_file): Set script_info in Input_argument.
5565         (script_add_library): Likewise.
5566         * script.h (Script_options::Script_info): Rewrite class.
5567
5568 2011-03-29  Cary Coutant  <ccoutant@google.com>
5569
5570         * archive.cc (Library_base::should_include_member): Move
5571         method here from class Archive.
5572         (Archive::Archive): Initialize base class.
5573         (Archive::should_include_member): Move to base class.
5574         (Archive::do_for_all_unused_symbols): New function.
5575         (Add_archive_symbols::run): Remove redundant access to
5576         incremental_inputs.
5577         (Lib_group::Lib_group): Initialize base class.
5578         (Lib_group::do_filename): New function.
5579         (Lib_group::include_member): Pass pointer to Lib_group to
5580         report_object.
5581         (Lib_group::do_for_all_unused_symbols): New function.
5582         (Add_lib_group_symbols::run): Report archive information for
5583         incremental links.
5584         * archive.h (class Library_base): New base class.
5585         (class Archive): Derive from Library_base.
5586         (Archive::filename): Move to base class.
5587         (Archive::set_incremental_info): Likewise.
5588         (Archive::incremental_info): Likewise.
5589         (Archive::Should_include): Likewise.
5590         (Archive::should_include_member): Likewise.
5591         (Archive::Armap_entry): Remove.
5592         (Archive::Unused_symbol_iterator): Remove.
5593         (Archive::unused_symbols_begin): Remove.
5594         (Archive::unused_symbols_end): Remove.
5595         (Archive::do_filename): New function.
5596         (Archive::do_get_mtime): New function.
5597         (Archive::do_for_all_unused_symbols): New function.
5598         (Archive::task_): Move to base class.
5599         (Archive::incremental_info_): Likewise.
5600         (class Lib_group): Derive from Library_base.
5601         (Lib_group::do_filename): New function.
5602         (Lib_group::do_get_mtime): New function.
5603         (Lib_group::do_for_all_unused_symbols): New function.
5604         (Lib_group::task_): Move to base class.
5605         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
5606         function.
5607         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
5608         function.
5609         * incremental.cc (Incremental_inputs::report_archive_begin):
5610         Use Library_base; call library's get_mtime; add incremental inputs
5611         entry before members.
5612         (class Unused_symbol_visitor): New class.
5613         (Incremental_inputs::report_archive_end): Use Library_base; use
5614         visitor class to record unused symbols; don't add incremental inputs
5615         entry after members.
5616         (Incremental_inputs::report_object): Use Library_base.
5617         * incremental.h
5618         (Incremental_archive_entry::Incremental_archive_entry): Remove
5619         unused Archive parameter.
5620         (Incremental_inputs::report_archive_begin): Use Library_base.
5621         (Incremental_inputs::report_archive_end): Likewise.
5622         (Incremental_inputs::report_object): Likewise.
5623         * object.cc (Sized_relobj::do_for_all_global_symbols): New
5624         function.
5625         * object.h (Object::for_all_global_symbols): New function.
5626         (Object::do_for_all_global_symbols): New function.
5627         (Sized_relobj::do_for_all_global_symbols): New function.
5628         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
5629         function.
5630         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
5631         function.
5632
5633 2011-03-27  Ian Lance Taylor  <iant@google.com>
5634
5635         * archive.cc (Archive::interpret_header): Return -1 if something
5636         goes wrong.  Change callers accordingly.
5637
5638 2011-03-25  Cary Coutant  <ccoutant@google.com>
5639
5640         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
5641         * testsuite/Makefile.in: Regenerate.
5642
5643 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
5644
5645         * plugin.cc (get_view): New.
5646         (Plugin::load): Pass get_view to the plugin.
5647         (Plugin_manager::get_view): New.
5648
5649 2011-03-21  Ian Lance Taylor  <iant@google.com>
5650
5651         * testsuite/final_layout.sh: Rewrite to not use dc.
5652         * testsuite/relro_test.sh: Fail if dc is not present.
5653
5654 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
5655
5656         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
5657         Change == to -eq.
5658         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
5659         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
5660         Change == to -eq.
5661         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
5662         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
5663
5664 2011-03-14  Ian Lance Taylor  <iant@google.com>
5665
5666         * script-sections.cc (Sort_output_sections::script_compare):
5667         Rename from is_before, change return type.
5668         (Sort_output_sections::operator()): Adjust accordingly.
5669
5670 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
5671
5672         PR gold/12572
5673         * testsuite/odr_violation2.cc: Add comment to make all error line
5674         numbers double digits.
5675         * testsuite/debug_msg.sh: Adjust expected errors.
5676
5677 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
5678
5679         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
5680         but mark earlier ones as non-canonical
5681         (offset_to_iterator): Update search target and example
5682         (do_addr2line): Return extra lines in a vector*
5683         (format_file_lineno): Extract from do_addr2line
5684         (one_addr2line): Add vector* out-param
5685         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
5686         when a lineno entry appeared last for its instruction
5687         (Dwarf_line_info): Add vector* out-param
5688         * object.cc (Relocate_info): Pass NULL for the vector* out-param
5689         * symtab.cc (Odr_violation_compare): Include the lineno in the
5690         comparison again.
5691         (linenos_from_loc): New. Combine the canonical line for an
5692         address with its other lines.
5693         (True_if_intersect): New. Helper functor to make
5694         std::set_intersection a query.
5695         (detect_odr_violations): Compare sets of lines instead of just
5696         one line for each function. This became less deterministic, but
5697         has fewer false positives.
5698         * symtab.h: Declarations.
5699         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
5700         mix an optimized and non-optimized object in the same binary
5701         (odr_violation2.so): Same.
5702         * testsuite/Makefile.in: Regenerate from Makefile.am.
5703         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
5704         * testsuite/debug_msg.sh: Update line numbers and add
5705         assertions.
5706         * testsuite/odr_violation1.cc: Use OdrDerived, in a
5707         non-optimized context.
5708         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
5709         isn't inlined, and use OdrDerived in an optimized context.
5710         * testsuite/odr_header1.h: Defines OdrDerived, where
5711         optimization will change the
5712         first-instruction-in-the-destructor's file and line number.
5713         * testsuite/odr_header2.h: Defines OdrBase.
5714
5715 2011-03-09  Ian Lance Taylor  <iant@google.com>
5716
5717         * fileread.cc (File_read::clear_views): Don't delete the whole
5718         file view.
5719
5720 2011-03-08  Ian Lance Taylor  <iant@google.com>
5721
5722         PR gold/12525
5723         * fileread.cc: #include <climits>.
5724         (GOLD_IOV_MAX): Define.
5725         (File_read::read_multiple): Limit number of entries by iov_max.
5726         * fileread.h (class File_read): Always set max_readv_entries to
5727         128.
5728
5729 2011-03-07  Ian Lance Taylor  <iant@google.com>
5730
5731         PR gold/12525
5732         * options.h (class General_options): Add -dy and -dn.
5733
5734 2011-03-02  Cary Coutant  <ccoutant@google.com>
5735
5736         * testsuite/script_test_9.t: Add TLS segment.
5737
5738 2011-03-02  Simon Baldwin  <simonb@google.com>
5739
5740         * configure.ac: Add check for gnu_indirect_function support in
5741         the toolchain building binutils.
5742         * configure: Rebuild.
5743
5744 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
5745
5746         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
5747         plugin only symbols.
5748         (Symbol_table::sized_finalize_symbol) Mark symbol only present
5749         in plugin files as not needed in the symbol table.
5750
5751 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
5752
5753         * output.cc (Output_section::add_input_section): Delay fill
5754         generation for section ordering.
5755
5756 2011-02-09  Ian Lance Taylor  <iant@google.com>
5757
5758         PR gold/12316
5759         * object.h (class Sized_relobj): Remove clear_local_symbols.
5760         * reloc.cc (Sized_relobj::do_relocate): Don't call
5761         clear_local_symbols.
5762
5763 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
5764
5765         * plugin.cc (is_visible_from_outside): Return true for symbols
5766         in the -u option.
5767
5768 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
5769
5770         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
5771         filename.
5772
5773 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
5774
5775         * icf.h (is_section_foldable_candidate): Change type of parameter
5776         to std::string.
5777         * icf.cc (Icf::find_identical_sections): Change type of local variable
5778         section_name to be std::string.
5779         (is_function_ctor_or_dtor): Change type of parameter to std::string.
5780
5781 2011-01-25  Ian Lance Taylor  <iant@google.com>
5782
5783         * script.cc (script_add_extern): Rewrite to use
5784         add_symbol_reference.
5785
5786 2011-01-25  Doug Kwan  <dougkwan@google.com>
5787
5788         * icf.cc (get_section_contents): Always lock section's object.
5789
5790 2011-01-24  Ian Lance Taylor  <iant@google.com>
5791
5792         * options.h (class General_options): Accept
5793         --no-detect-odr-violations.
5794
5795 2011-01-24  Ian Lance Taylor  <iant@google.com>
5796
5797         * version.cc (version_string): Bump to 1.11.
5798
5799 2011-01-24  Ian Lance Taylor  <iant@google.com>
5800
5801         * plugin.cc (class Plugin_rescan): Define new class.
5802         (Plugin_manager::claim_file): Set any_claimed_.
5803         (Plugin_manager::save_archive): New function.
5804         (Plugin_manager::save_input_group): New function.
5805         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
5806         necessary.
5807         (Plugin_manager::new_undefined_symbol): New function.
5808         (Plugin_manager::rescan): New function.
5809         (Plugin_manager::rescannable_defines): New function.
5810         (Plugin_manager::add_input_file): Set any_added_.
5811         * plugin.h (class Plugin_manager): define new fields rescannable_,
5812         undefined_symbols_, any_claimed_, and any_added_.  Declare
5813         Plugin_rescan as friend.  Declare new functions.
5814         (Plugin_manager::Rescannable): Define type.
5815         (Plugin_manager::Rescannable_list): Define type.
5816         (Plugin_manager::Undefined_symbol_list): Define type.
5817         (Plugin_manager::Plugin_manager): Initialize new fields.
5818         * archive.cc (Archive::defines_symbol): New function.
5819         (Add_archive_symbols::run): Pass archive to plugins if any.
5820         * archive.h (class Archive): Declare defines_symbol.
5821         * readsyms.cc (Input_group::~Input_group): New function.
5822         (Finish_group::run): Pass input_group to plugins if any.
5823         * readsyms.h (class Input_group): Declare destructor.
5824         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
5825         any.
5826
5827 2011-01-10  Ian Lance Taylor  <iant@google.com>
5828
5829         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
5830         section as relro.
5831         (Layout::set_segment_offsets): Reset increase_relro before calling
5832         set_section_addresses a second time.
5833
5834 2011-01-04  Cary Coutant  <ccoutant@google.com>
5835
5836         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
5837         sections before NOBITS sections.
5838
5839 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
5840
5841         * version.cc (print_version): Update copyright to 2011.
5842
5843 2010-12-23  Cary Coutant  <ccoutant@google.com>
5844
5845         * output.h (Output_data_reloc::add_output_section): Pass OD instead
5846         of OS to this->add.  Add OD parameter to second form of the function.
5847
5848 2010-12-20  Ian Lance Taylor  <iant@google.com>
5849
5850         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
5851         second of two consecutive entries with same offset.
5852
5853 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5854
5855         * testsuite/Makefile.am (ifuncmain2static_LDADD)
5856         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
5857         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
5858         to avoid unneeded links against $(LDADD).
5859         * testsuite/Makefile.in: Regenerate.
5860
5861 2010-12-15  Ian Lance Taylor  <iant@google.com>
5862
5863         PR gold/12324
5864         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
5865         for R_X86_64_32 and R_X86_64_PC32.
5866         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
5867         ver_matching_def_pic.o.
5868         (ver_matching_def_pic.o): New target.
5869
5870 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5871
5872         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
5873         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
5874         Move definition before File_read::View member definitions.
5875         (File_read::View::~View): Initialize and hold lock before
5876         updating current_mapped_bytes.
5877
5878 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5879
5880         * dwarf_reader.cc: Remove outdated comment.
5881         * gold-threads.cc: Fix typo in error message.
5882         * archive.cc: Fix typos in comments.
5883         * archive.h: Likewise.
5884         * arm-reloc-property.cc: Likewise.
5885         * arm-reloc-property.h: Likewise.
5886         * arm-reloc.def: Likewise.
5887         * arm.cc: Likewise.
5888         * attributes.h: Likewise.
5889         * cref.cc: Likewise.
5890         * ehframe.cc: Likewise.
5891         * fileread.h: Likewise.
5892         * gold.h: Likewise.
5893         * i386.cc: Likewise.
5894         * icf.cc: Likewise.
5895         * incremental.h: Likewise.
5896         * int_encoding.cc: Likewise.
5897         * layout.h: Likewise.
5898         * main.cc: Likewise.
5899         * merge.h: Likewise.
5900         * object.cc: Likewise.
5901         * object.h: Likewise.
5902         * options.cc: Likewise.
5903         * readsyms.cc: Likewise.
5904         * reduced_debug_output.cc: Likewise.
5905         * reloc.cc: Likewise.
5906         * script-sections.cc: Likewise.
5907         * sparc.cc: Likewise.
5908         * symtab.h: Likewise.
5909         * target-reloc.h: Likewise.
5910         * target.cc: Likewise.
5911         * target.h: Likewise.
5912         * timer.cc: Likewise.
5913         * timer.h: Likewise.
5914         * x86_64.cc: Likewise.
5915
5916 2010-12-09  Cary Coutant  <ccoutant@google.com>
5917
5918         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
5919         stack.
5920         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
5921         parameter; change all callers.
5922         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
5923         * options.h (warn_execstack): New option.
5924
5925 2010-12-07  Doug Kwan  <dougkwan@google.com>
5926
5927         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
5928         like function call relocations.
5929
5930 2010-12-07  Ian Lance Taylor  <iant@google.com>
5931
5932         * archive.cc (Archive::get_elf_object_for_member): Permit
5933         punconfigured to be NULL.
5934         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
5935         (Archive::include_member): Pass NULL to get_elf_object_for_member
5936         if we searched for the archive and this is the first included
5937         object.
5938
5939 2010-12-01  Ian Lance Taylor  <iant@google.com>
5940
5941         * dwarf_reader.h (class Sized_dwarf_line_info): Add
5942         track_relocs_type_ field.
5943         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5944         Set track_relocs_type_.
5945         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
5946         contents when using RELA relocs.
5947         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
5948         reloc_map_.
5949         * reloc.cc (Track_relocs::next_addend): New function.
5950         * reloc.h (class Track_relocs): Declare next_addend.
5951
5952 2010-12-01  Ian Lance Taylor  <iant@google.com>
5953
5954         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
5955         virtual destructor.
5956
5957 2010-12-01  Ian Lance Taylor  <iant@google.com>
5958
5959         * README: Update compilers known to work and fail.
5960
5961 2010-11-23  Matthias Klose  <doko@ubuntu.com>
5962
5963         * configure.in: For --enable-gold, handle value `default' instead of
5964         `both*'.  Always install ld as ld.bfd, install as ld if gold is
5965         not the default.
5966         * configure: Regenerate.
5967
5968 2010-11-18  Doug Kwan  <dougkwan@google.com>
5969
5970         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
5971         and right_alignment to be zero.  Store result alignment only if it is
5972         greater than existing alignment.
5973
5974 2010-11-16  Cary Coutant  <ccoutant@google.com>
5975
5976         PR gold/12220
5977         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
5978         Check for ".zdebug_line".
5979
5980 2010-11-16  Doug Kwan  <dougkwan@google.com>
5981             Cary Coutant  <ccoutant@google.com>
5982
5983         * output.h (Output_segment::set_section_addresses): Pass increase_relro
5984         by reference; adjust all callers.
5985         * output.cc (Output_segment::set_section_addresses): Adjust references
5986         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
5987         list is empty.
5988         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
5989         end at page boundary.
5990
5991 2010-11-16  Cary Coutant  <ccoutant@google.com>
5992
5993         PR gold/12220
5994         * layout.cc (Layout::choose_output_section): Transform names of
5995         compressed sections even when using a script with a SECTIONS clause.
5996         (Layout::output_section_name): Remove code to transform
5997         compressed debug section names.
5998         * output.cc (Output_section::add_input_section): Use uncompressed
5999         section size when tracking input sections.
6000
6001 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
6002
6003         * symtab.h (Symbol::NON_PIC_REF): Remove.
6004         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
6005         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
6006         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
6007         (Symbol::use_plt_offset): Take a flags argument and pass it
6008         directly to needs_dynamic_reloc.  Restrict check for undefined
6009         weak symbols to function calls.
6010         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
6011         (Target_arm::Scan::global): Use it.
6012         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
6013         (Target_arm::Relocate::relocate): Likewise.
6014         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
6015         parameter with an r_type parameter.  Use get_reference_flags
6016         to get the flags.
6017         (Target_arm::Relocate::relocate): Update accordingly.
6018         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
6019         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
6020         (Target_i386::Scan::global): Likewise.
6021         (Target_i386::Relocate::relocate): Likewise.
6022         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
6023         parameter with an r_type parameter.  Use get_reference_flags
6024         to get the flags.
6025         (Target_i386::Relocate::relocate): Update accordingly.
6026         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
6027         (Target_powerpc::Scan::global): Use it.
6028         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
6029         (Target_powerpc::Relocate::relocate): Likewise.
6030         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
6031         (Target_sparc::Scan::global): Use it.
6032         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
6033         (Target_sparc::Relocate::relocate): Likewise.
6034         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
6035         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
6036         (Target_x86_64::Scan::global): Likewise.
6037         (Target_x86_64::Relocate::relocate): Likewise.
6038
6039 2010-11-08  Doug Kwan  <dougkwan@google.com>
6040             Cary Coutant  <ccoutant@google.com>
6041
6042         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
6043         (Arm_exidx_merge_section::section_contents_): New data member.
6044         (Arm_input_section::Arm_input_section): Initialize original_contents_.
6045         (Arm_input_section::~Arm_input_section): De-allocate memory.
6046         (Arm_input_section::original_contents_): New data member.
6047         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
6048         in parameters instead of calling Object::section_contents without
6049         locking.
6050         (Arm_output_section::group_section): New parameter TASK.  Pass it
6051         to callees that need locking objects.
6052         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
6053         to lock EXIDX input sections.  Fix a formatting issue.  Call
6054         Arm_exidx_merged_section::build_contents to create merged section
6055         contents.
6056         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
6057         to lock object of stub table owner.
6058         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
6059         TEXT_SIZE to initialize data member TEXT_SIZE_.
6060         (Arm_exidx_input_section::addralign): Fix typo in comment.
6061         (Arm_exidx_input_section::text_size): New method.
6062         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
6063         that require locking objects.  Lock objects before scanning for stubs
6064         and updating local symbols.
6065         (Arm_input_section<big_endian>::init): Copy contents of original
6066         input section.
6067         (Arm_input_section<big_endian>::do_write): Use saved contents of
6068         original input section instead of calling Object::section_contents
6069         without locking.
6070         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
6071         size without calling Object::section_size().
6072         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
6073         for size.  Allocate a buffer for merged EXIDX entries.
6074         (Arm_exidx_merged_section::build_contents): New method.
6075         (Arm_exidx_merged_section::do_write): Move merge section contents
6076         building code to Arm_exidx_merged_section::build_contetns.  Write
6077         out contetns in buffer instead of building it on the fly.
6078         (Arm_relobj::make_exidx_input_section): Also pass text section size
6079         to Arm_exidx_input_section constructor.
6080         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
6081         (Arm_dynobj::do_read_symbols): Fix memory leak.
6082         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
6083         * target.h: (class Task): Add forward declaration.
6084         (Target::relax): Add new parameter TASK and pass it to
6085         Target::do_relax().
6086         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
6087
6088 2010-11-05  Cary Coutant  <ccoutant@google.com>
6089
6090         PR gold/10708
6091         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
6092         object when reading from the file.
6093         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
6094         second layout pass.
6095         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
6096         when reading section contents.
6097         (get_section_contents): Likewise.
6098         (icf::find_identical_sections): Likewise.
6099         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
6100         object when reading from the file.
6101         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
6102         the object when doing deferred section layout.
6103
6104 2010-11-03  Nick Clifton  <nickc@redhat.com>
6105
6106         PR gold/12001
6107         * script.h (class Symbol_assignment: name): New member.  Returns
6108         the name of the symbol.
6109         * scrfipt.cc (Script_options::is_pending_assignment): New member.
6110         Returns true if the given symbol name is on the list of
6111         assignments wating to be processed.
6112         * archive.cc (should_incldue_member): If the symbol is undefined,
6113         check to see if it is on the list of symbols pending assignment.
6114
6115 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
6116
6117         * script-sections.cc (Script_sections::find_memory_region): Check
6118         for a NULL output section pointer.
6119
6120 2010-10-29  Doug Kwan  <dougkwan@google.com>
6121
6122         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
6123         Output_section::add_relaxed_input_section.
6124         * output.cc (Output_section::add_relaxed_input_section): Add new
6125         arguments LAYOUT and NAME.  Set section order index.
6126         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6127         Copy section order index.
6128         * output.h (Output_section::add_relaxed_input_section): Add new
6129         arguments LAYOUT and NAME.
6130
6131 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6132
6133         * testsuite/Makefile.am: Move gcctestdir/ld rule to
6134         NATIVE_OR_CROSS_LINKER.
6135         * testsuite/Makefile.in: Regenerate.
6136
6137 2010-10-20  Doug Kwan  <dougkwan@google.com>
6138
6139         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
6140         without SHF_LINK_ORDER flags.
6141         * layout.cc (Layout::choose_output_section): Do not filter
6142         SHF_LINK_ORDER flag in a relocatable link.
6143
6144 2010-10-17  Cary Coutant  <ccoutant@google.com>
6145
6146         * output.h (Output_segment::set_section_addresses): Change function
6147         signature.  Update all callers.
6148         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
6149         sections.
6150         (Output_segment::set_section_addresses): Align after last TLS
6151         section.  Add padding before last relro section instead of after.
6152
6153 2010-10-17  Doug Kwan  <dougkwan@google.com>
6154
6155         * gold/arm.cc (Target_arm::got_section): Use correct order and set
6156         GOT output section to be writable.
6157
6158 2010-10-14  Cary Coutant  <ccoutant@google.com>
6159
6160         * debug.h (DEBUG_INCREMENTAL): New flag.
6161         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
6162         * gold.cc (queue_initial_tasks): Check parameters for incremental link
6163         mode.
6164         * incremental.cc (report_command_line): Ignore all forms of
6165         --incremental.
6166         * layout.cc (Layout::Layout): Check parameters for incremental link
6167         mode.
6168         * options.cc (General_options::parse_incremental): New function.
6169         (General_options::parse_no_incremental): New function.
6170         (General_options::parse_incremental_full): New function.
6171         (General_options::parse_incremental_update): New function.
6172         (General_options::incremental_mode_): New data member.
6173         (General_options::finalize): Check incremental_mode_.
6174         * options.h (General_options): Update help text for --incremental.
6175         Add --no-incremental, --incremental-full, --incremental-update.
6176         (General_options::Incremental_mode): New enum type.
6177         (General_options::incremental_mode): New function.
6178         (General_options::incremental_mode_): New data member.
6179         * parameters.cc (Parameters::incremental_mode_): New data member.
6180         (Parameters::set_options): Set incremental_mode_.
6181         (Parameters::set_incremental_full): New function.
6182         (Parameters::incremental): New function.
6183         (Parameters::incremental_update): New function.
6184         (set_parameters_incremental_full): New function.
6185         * parameters.h (Parameters::set_incremental_full): New function.
6186         (Parameters::incremental): New function.
6187         (Parameters::incremental_update): New function.
6188         (Parameters::incremental_mode_): New data member.
6189         (set_parameters_incremental_full): New function.
6190         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
6191         incremental link mode.
6192         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
6193         (Sized_relobj::do_relocate_sections): Likewise.
6194         * testsuite/Makefile.am (incremental_test): Use --incremental-full
6195         option.
6196         * testsuite/Makefile.in: Regenerate.
6197         * testsuite/incremental_test.sh: Filter all forms of --incremental.
6198
6199 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6200
6201         * script-sections.h (class Script_sections): Make
6202         Sections_elements typedef public.
6203         * script-sections.cc (class Sort_output_sections): Add elements_
6204         field.  Add constructor which sets it; change all callers.
6205         (Sort_output_sections::is_before): New function.
6206         (Sort_output_sections::operator()): Call is_before.
6207         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
6208         conditional.
6209         * testsuite/script_test_10.sh: New test. Test script section
6210         order.
6211         * testsuite/script_test_10.t: Likewise.
6212         * testsuite/script_test_10.s: Likewise.
6213         * testsuite/Makefile.am: Wrap the cross linker tests and the
6214         common tests into NATIVE_OR_CROSS_LINKER.
6215         (check_SCRIPTS): Add script_test_10.sh.
6216         (check_DATA): Add script_test_10.stdout.
6217         (script_test_10.o, script_test_10): New targets.
6218         (script_test_10.stdout): New target.
6219         * configure, testsuite/Makefile.in: Regenerate.
6220
6221 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6222
6223         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
6224         error for the deprecated relocations.
6225         (Target_arm::Scan::global): Likewise.
6226         (Target_arm::Relocate::relocate): Likewise.
6227
6228 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
6229
6230         * fileread.cc (Input_file::find_file): Initialize *found_name
6231         and *namep when using the fallback search for case 4.
6232
6233 2010-10-11  Cary Coutant  <ccoutant@google.com>
6234
6235         * options.h (class General_options): Redefine -z lazy as an alias for
6236         the negation of -z now.
6237
6238 2010-10-11  Ian Lance Taylor  <iant@google.com>
6239
6240         * resolve.cc (symbol_to_bits): Report the value of the unsupported
6241         binding.
6242
6243 2010-10-06  Nick Clifton  <nickc@redhat.com>
6244
6245         * script-sections.cc(class Memory_region): Remove
6246         current_lma_offset_ field.  Rename current_vma_offset_ to
6247         current_offset_.  Add last_section_ field.
6248         (Memory_region::get_current_vma_address): Rename to
6249         get_current_address.
6250         (Memory_region::get_current_lma_address): Delete.
6251         (Memory_region::increment_vma_offset): Rename to
6252         increment_offset.
6253         (Memory_region::increment_lma_offset): Delete.
6254         (Memory_region::attributes_compatible): New method.  Returns
6255         true if the provided section is compatible with the region.
6256         (Memory_region::get_last_section): New method.  Returns the last
6257         section to use the region.
6258         (Memory_region::set_last_section): New method.  Stores the last
6259         section to use the region.
6260         (Script_sections::block_in_region): New method.  Returns true if
6261         a block of memory is contained within a region.
6262         (Script_sections::find_memory_region): New method.  Locates a
6263         memory region to be used to set a VMA or LMA address.
6264         (Output_section_definition::set_section_addresses): Add code to
6265         check for addresses set by memory regions.
6266         (Output_segment::set_section_addresses): Remove memory region
6267         walking code.
6268         (Script_sections::create_segment): Add a warning if a header
6269         segment is created outside of any region.
6270         * script-sections.h (class Script_sections): Add prototypes for
6271         find_memory_region and block_in_region methods.
6272         * testsuite/memory_test.s: Use .long instead of .word.
6273         * testsuite/memory_test.t: Add some more output sections.
6274         * testsuite/memory_test.sh: Update expected output.
6275
6276 2010-10-02  Doug Kwan  <dougkwan@google.com>
6277
6278         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
6279         defintion to symtab.h
6280         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
6281         declaration to defintion.
6282
6283 2010-10-01  Nick Clifton  <nickc@redhat.com>
6284
6285         * expression.cc (eval): Replace dummy argument with NULL.
6286         (eval_maybe_dot): Check for a NULL result section pointer.
6287         (Symbol_expression::value): Likewise.
6288         (Dot_expression::value): Likewise.
6289         (BINARY_EXPRESSION): Likewise.
6290         (Max_expression::value): Likewise.
6291         (Min_expression::value): Likewise.
6292         (Absolute_expression::value): Likewise.
6293         (Addr_expression::value_from_output_section): Likewise.
6294         (Loaddddr_expression::value_from_output_section): Likewise.
6295         (Segment_start_expression::value): Likewise.
6296         * script-sections.cc
6297         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
6298         argument with NULL.
6299         (Sections_elememt_dot_assignment::set_section_addresses):
6300         Likewise.
6301         (Output_data_expression::do_write_to_buffer): Likewise.
6302         (Output_section_definition::finalize_symbols): Likewise.
6303         (Output_section_definition::set_section_addresses): Likewise.
6304
6305 2010-09-30  Doug Kwan  <dougkwan@google.com>
6306
6307         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
6308
6309 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
6310
6311         * target.h (Target::can_icf_inline_merge_sections): New virtual
6312         function.
6313         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
6314         virtual function.
6315         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
6316         virtual function.
6317         * icf.cc (get_section_contents): Inline merge sections only when
6318         target allows it.
6319
6320 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6321
6322         * configure: Regenerate.
6323
6324 2010-09-17  Ian Lance Taylor  <iant@google.com>
6325
6326         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
6327         * testsuite/Makefile.am (memory_test.o): New target.
6328         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
6329         memory_test.t.
6330         * testsuite/Makefile.in: Rebuild.
6331
6332 2010-09-17  Doug Kwan  <dougkwan@google.com>
6333
6334         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
6335         defintion if relocation uses GOT entries of the symbol.
6336         * testsuite/icf_safe_test.sh: Fix test.
6337         * testsuite/icf_safe_so_test.sh: Fix test.
6338
6339 2010-09-16  Cary Coutant  <ccoutant@google.com>
6340
6341         * script_sections.cc (class Memory_region): Remove "NULL" from
6342         vector initializations.
6343
6344 2010-09-15  Cary Coutant  <ccoutant@google.com>
6345
6346         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
6347         Resolve forwarding symbols.
6348
6349 2010-09-15  Doug Kwan  <dougkwan@google.com>
6350
6351         * gold/testsuite/script_test_3.t: Add ARM special sections.
6352         * gold/testsuite/script_test_4.t: Same.
6353         * gold/testsuite/script_test_5.t: Same.
6354         * gold/testsuite/script_test_6.t: Same.
6355         * gold/testsuite/script_test_7.t: Same.
6356         * gold/testsuite/script_test_7.t: Same.
6357         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
6358
6359 2010-09-14  Cary Coutant  <ccoutant@google.com>
6360
6361         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
6362         (Target_x86_64::Relocate::relocate_tls): Replace check for
6363         saw_tls_block_reloc_ with test for executable section.
6364
6365 2010-09-12  Cary Coutant  <ccoutant@google.com>
6366
6367         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
6368         position-independent executables to shared libraries need dynamic
6369         relocations.
6370         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
6371         position-independent executables.
6372         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
6373         * testsuite/Makefile.in: Regenerate.
6374
6375 2010-09-10  Nick Clifton  <nickc@redhat.com>
6376
6377         PR gold/11997
6378         * testsuite/memory_test.t: Discard any sections that are not
6379         needed.
6380
6381 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
6382
6383         PR gold/11996
6384         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
6385         "This::" to work around a bug in gcc 4.2.
6386
6387         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
6388
6389 2010-09-09  Rafael Espindola  <espindola@google.com>
6390
6391         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
6392         sections with different PF_X flags in the same segment.
6393         (Layout::find_first_load_seg): Search all segments to find the first
6394         one.
6395         * options.h (rosegment): New.
6396
6397 2010-09-08  Rafael Espindola  <espindola@google.com>
6398
6399         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
6400
6401 2010-09-08  Doug Kwan  <dougkwan@google.com>
6402
6403         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
6404         (Arm_relobj::do_relocate_sections): Add new parameter for output
6405         file to match the parent.
6406         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
6407         of local symbols instead of input values.  Update code to track
6408         changes in gold::relocate_section.
6409         * object.cc (Sized_relobj::compute_final_local_value): New methods.
6410         (Sized_relobj::compute_final_local_value_internal): New methods.
6411         (Sized_relobj::do_finalize_local_symbols): Move code from loop
6412         body into private version of Sized_relobj::compute_final_local_value.
6413         Call the inline method.
6414         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
6415         merged symbol value if there is one.
6416         (Symbol_value::has_output_value): New method defintiion.
6417         (Sized_relobj::Compute_final_local_value_status): New enum type.
6418         (Sized_relobj::compute_final_local_value): New methods.
6419         (Sized_relobj::compute_final_local_value_internal): New methods.
6420         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
6421         and arm_cortex_a8.sh.
6422         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
6423         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
6424         New tests.
6425         * Makefile.in: Regenerate.
6426         * testsuite/arm_bl_out_of_range.s: Update test.
6427         * testsuite/thumb_bl_out_of_range.s: Ditto.
6428         * testsuite/thumb_blx_out_of_range.s: Ditto.
6429         * testsuite/arm_branch_out_of_range.sh: New file.
6430         * testsuite/arm_cortex_a8.sh: Ditto.
6431         * testsuite/arm_cortex_a8_b.s: Ditto.
6432         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
6433         * testsuite/arm_cortex_a8_b_local.s: Ditto.
6434         * testsuite/arm_cortex_a8_bl.s: Ditto.
6435         * testsuite/arm_cortex_a8_blx.s: Ditto.
6436         * testsuite/arm_cortex_a8_local.s: Ditto.
6437         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
6438         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
6439
6440 2010-09-08  Rafael Espindola  <espindola@google.com>
6441
6442         * Makefile.am (memory_test.stdout): Run readelf with -W.
6443         * Makefile.in: Regenerate.
6444         * testsuite/memory_test.sh: Make the regexps accept both 32 and
6445         64 bit output.
6446
6447 2010-09-08  Rafael Espindola  <espindola@google.com>
6448
6449         * script-sections.cc (Script_sections::add_memory_region): Convert
6450         field precision to int.
6451         * script.cc (script_set_section_region, script_set_section_region):
6452         Convert field precision to int.
6453
6454 2010-09-08  Rafael Espindola  <espindola@google.com>
6455
6456         * arm.cc (do_finalize_sections): Create the __exidx_start and
6457         __exdix_end symbols even when the section is missing.
6458
6459 2010-09-08  Nick Clifton  <nickc@redhat.com>
6460
6461         * README: Remove claim that MEMORY is not supported.
6462         * expression.cc (script_exp_function_origin)
6463         (script_exp_function_length): Move from here to ...
6464         * script.cc: ... here.
6465         (script_set_section_region, script_add_memory)
6466         (script_parse_memory_attr, script_include_directive): New
6467         functions.
6468         * script-sections.cc
6469         (class Memory_region): New class.
6470         (class Output_section_definition): Add set_memory_region,
6471         set_section_vma, set_section_lma and get_section_name methods.
6472         (class Script_Sections): Add add_memory_region,
6473         find_memory_region, find_memory_region_origin,
6474         find_memory_region_length and set_memory_region methods.
6475         Have set_section_addresses method walk the list of set memory
6476         regions.
6477         Extend the print methos to display memory regions.
6478         * script-sections.h: Add prototypes for new methods.
6479         Add enum for MEMORY region attributes.
6480         * yyscript.y: Add support for parsing MEMORY regions.
6481         * script-c.h: Add prototypes for new functions.
6482         * testsuite/Makefile.am: Add test of MEMORY region functionality.
6483         * testsuite/Makefile.in: Regenerate.
6484         * testsuite/memory_test.sh: New script.
6485         * testsuite/memory_test.s: New assembler source file.
6486         * testsuite/memory_test.t: New linker script.
6487
6488 2010-08-27  Doug Kwan  <dougkwan@google.com>
6489
6490         * gold/resolve.cc (Symbol_table::should_override): Let a weak
6491         reference override an existing dynamic weak reference.
6492         * testsuite/Makefile.am: Add new test dyn_weak_ref.
6493         * testsuite/Makefile.in: Regenerate.
6494         * testsuite/dyn_weak_ref.sh: New file.
6495         * testsuite/dyn_weak_ref_1.c: Ditto.
6496         * testsuite/dyn_weak_ref_2.c: Ditto.
6497
6498 2010-08-27  Ian Lance Taylor  <iant@google.com>
6499
6500         * incremental.h (class Incremental_input_entry): Add virtual
6501         destructor.
6502
6503 2010-08-27  Ian Lance Taylor  <iant@google.com>
6504
6505         * testsuite/start_lib_test_3.c: Mark t3 as used.
6506
6507 2010-08-27  Nick Clifton  <nickc@redhat.com>
6508
6509         * options.cc (version_script): Fix small typo in previous
6510         whitespace tidyup.
6511
6512 2010-08-25  Nick Clifton  <nickc@redhat.com>
6513
6514         * archive.cc: Formatting fixes: Remove whitespace between
6515         typename and following asterisk.  Remove whitespace between
6516         function name and opening parenthesis.
6517         * archive.h: Likewise.
6518         * arm.cc: Likewise.
6519         * attributes.cc: Likewise.
6520         * attributes.h: Likewise.
6521         * common.cc: Likewise.
6522         * copy-relocs.cc: Likewise.
6523         * dirsearch.h: Likewise.
6524         * dynobj.cc: Likewise.
6525         * ehframe.cc: Likewise.
6526         * ehframe.h: Likewise.
6527         * expression.cc: Likewise.
6528         * fileread.cc: Likewise.
6529         * fileread.h: Likewise.
6530         * gc.h: Likewise.
6531         * gold-threads.cc: Likewise.
6532         * gold.cc: Likewise.
6533         * i386.cc: Likewise.
6534         * icf.h: Likewise.
6535         * incremental-dump.cc: Likewise.
6536         * incremental.cc: Likewise.
6537         * layout.cc: Likewise.
6538         * layout.h: Likewise.
6539         * main.cc: Likewise.
6540         * merge.cc: Likewise.
6541         * merge.h: Likewise.
6542         * object.cc: Likewise.
6543         * object.h: Likewise.
6544         * options.cc: Likewise.
6545         * options.h: Likewise.
6546         * output.cc: Likewise.
6547         * output.h: Likewise.
6548         * plugin.cc: Likewise.
6549         * plugin.h: Likewise.
6550         * powerpc.cc: Likewise.
6551         * reloc.cc: Likewise.
6552         * script-c.h: Likewise.
6553         * script-sections.cc: Likewise.
6554         * script.cc: Likewise.
6555         * stringpool.cc: Likewise.
6556         * symtab.cc: Likewise.
6557         * symtab.h: Likewise.
6558         * target.cc: Likewise.
6559         * timer.cc: Likewise.
6560         * timer.h: Likewise.
6561         * version.cc: Likewise.
6562         * x86_64.cc: Likewise.
6563
6564 2010-08-24  Nick Clifton  <nickc@redhat.com>
6565
6566         PR 11899
6567         * layout.cc (segment_precedes): Sort segments by their physical
6568         addresses, if they have been set.
6569
6570 2010-08-23  Cary Coutant  <ccoutant@google.com>
6571
6572         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
6573         symbols data.
6574         (Lib_group::include_member): Unlock object after deleting its
6575         symbols data.
6576         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
6577         the bug fixed here.
6578
6579 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
6580             Cary Coutant  <ccoutant@google.com>
6581
6582         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
6583         constructor, and set_blocker.
6584         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
6585         readsyms_blocker_.
6586         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
6587         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
6588         * testsuite/Makefile.am (start_lib_test): New test case.
6589         * testsuite/Makefile.in: Regenerate.
6590         * testsuite/start_lib_test_main.c: New file.
6591         * testsuite/start_lib_test_1.c: New file.
6592         * testsuite/start_lib_test_2.c: New file.
6593         * testsuite/start_lib_test_3.c: New file.
6594
6595 2010-08-19  Ian Lance Taylor  <iant@google.com>
6596
6597         * Makefile.in: Rebuild with automake 1.11.1.
6598         * aclocal.m4: Likewise.
6599         * testsuite/Makefile.in: Likewise.
6600
6601 2010-08-19  Ian Lance Taylor  <iant@google.com>
6602
6603         PR 10893
6604         * i386.cc (class Output_data_plt_i386): Update declarations.
6605         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
6606         local_ifuncs_ fields.
6607         (Target_i386::do_plt_section_for_global): New function.
6608         (Target_i386::do_plt_section_for_local): New function.
6609         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
6610         parameter; change all callers.  Initialize global_ifuncs_ and
6611         local_ifuncs_.  If doing a static link define __rel_iplt_start and
6612         __rel_iplt_end.
6613         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
6614         (Output_data_plt_i386::add_local_ifunc_entry): New function.
6615         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
6616         symbols.
6617         (Target_i386::make_plt_section): New function, broken out of
6618         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
6619         (Target_i386::make_plt_entry): Call make_plt_section.
6620         (Target_i386::make_local_ifunc_plt_entry): New function.
6621         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
6622         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
6623         R_386_IRELATIVE to switch.
6624         (Target_i386::Scan::global): Likewise.
6625         (Target_i386::Relocate::relocate): Likewise.
6626         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
6627         switch.
6628         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
6629         (Target_x86_64::do_plt_section_for_global): New function.
6630         (Target_x86_64::do_plt_section_for_local): New function.
6631         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
6632         parameter; change all callers.  If doing a static link define
6633         __rela_iplt_start and __rela_iplt_end.
6634         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
6635         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
6636         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
6637         to point to .plt.
6638         (Target_x86_64::make_local_ifunc_plt_entry): New function.
6639         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
6640         switch.
6641         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
6642         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
6643         R_X86_64_IRELATIVE to switch.
6644         (Target_x86_64::Scan::global): Likewise.
6645         (Target_x86_64::Relocate::relocate): Likewise.
6646         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
6647         switch.
6648         * target.h (class Target): Add plt_section_for_global and
6649         plt_section_for_local functions.  Add do_plt_section_for_global
6650         and do_plt_section_for_local virtual functions.
6651         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
6652         clarifying comments.
6653         (Symbol::use_plt_offset): Handle IFUNC symbol.
6654         * object.cc (Sized_relobj::Sized_relobj): Initialize
6655         local_plt_offsets_.
6656         (Sized_relobj::local_has_plt_offset): New function.
6657         (Sized_relobj::local_plt_offset): New function.
6658         (Sized_relobj::set_local_plt_offset): New function.
6659         (Sized_relobj::do_count): Handle IFUNC symbol.
6660         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
6661         a bit away from input_shndx_ field.  Add set_is_func_symbol and
6662         is_ifunc_symbol functions.
6663         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
6664         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
6665         local_plt_offsets_ field.
6666         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
6667         * output.h (class Output_section_data): Add non-const
6668         output_section function.
6669         (class Output_data_got): Update declarations.
6670         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
6671         Add use_plt_offset parameter to global and local constructors.
6672         Change all callers.  Change local_sym_index_ field to 31 bits.
6673         Change GSYM_CODE and CONSTANT_CODE accordingly.
6674         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
6675         doing a static link don't set sh_link field.
6676         (Output_data_got::Got_entry::write): Use PLT offset if
6677         appropriate.
6678         (Output_data_got::add_global_plt): New function.
6679         (Output_data_got::add_local_plt): New function.
6680         * target-reloc.h (relocate_section): Handle IFUNC symbol.
6681         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
6682         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
6683         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
6684         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
6685         IFUNC conditional.
6686         * testsuite/ifunc-sel.h: New file.
6687         * testsuite/ifuncmain1.c: New file.
6688         * testsuite/ifuncmain1vis.c: New file.
6689         * testsuite/ifuncmod1.c: New file.
6690         * testsuite/ifuncdep2.c: New file.
6691         * testsuite/ifuncmain2.c: New file.
6692         * testsuite/ifuncmain3.c: New file.
6693         * testsuite/ifuncmod3.c: New file.
6694         * testsuite/ifuncmain4.c: New file.
6695         * testsuite/ifuncmain5.c: New file.
6696         * testsuite/ifuncmod5.c: New file.
6697         * testsuite/ifuncmain6pie.c: New file.
6698         * testsuite/ifuncmod6.c: New file.
6699         * testsuite/ifuncmain7.c: New file.
6700         * configure, testsuite/Makefile.in: Rebuild.
6701
6702 2010-08-18  Ian Lance Taylor  <iant@google.com>
6703
6704         * incremental.cc
6705         (Output_section_incremental_inputs::write_input_files): Add cast
6706         to avoid signed/unsigned comparison warning.
6707         (Output_section_incremental_inputs::write_info_blocks): Likewise.
6708
6709 2010-08-12  Cary Coutant  <ccoutant@google.com>
6710
6711         * common.cc (Sort_commons::operator()): Remove unnecessary code.
6712
6713 2010-08-13  Ian Lance Taylor  <iant@google.com>
6714
6715         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
6716
6717 2010-08-12  Cary Coutant  <ccoutant@google.com>
6718             Doug Kwan  <dougkwan@google.com>
6719
6720         * resolve.cc (Symbol_table::should_override): When a weak dynamic
6721         defintion overrides non-weak undef, remember that the original undef
6722         is not weak.
6723         * symtab.cc (Symbol_table::sized_write_global): For undef without
6724         an original weak binding, set binding to global in output.
6725         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
6726         * testsuite/Makefile.in: Regenerate.
6727         * testsuite/strong_ref_weak_def.sh: New file.
6728         * testsuite/strong_ref_weak_def_1.c: Ditto.
6729         * testsuite/strong_ref_weak_def_2.c: Ditto.
6730
6731 2010-08-12  Cary Coutant  <ccoutant@google.com>
6732
6733         * testsuite/incremental_test.sh: Rewrite.
6734         * testsuite/incremental_test_1.c: Rewrite.
6735         * testsuite/incremental_test_2.c: Rewrite.
6736
6737 2010-08-12  Cary Coutant  <ccoutant@google.com>
6738
6739         * arm.cc (Target_arm::got_size): Add const.
6740         (Target_arm::got_entry_count): New function.
6741         (Target_arm::plt_entry_count): New function.
6742         (Target_arm::first_plt_entry_offset): New function.
6743         (Target_arm::plt_entry_size): New function.
6744         (Output_data_plt_arm::entry_count): New function.
6745         (Output_data_plt_arm::first_plt_entry_offset): New function.
6746         (Output_data_plt_arm::get_plt_entry_size): New function.
6747         * i386.cc (Target_i386::got_size): Add const.
6748         (Target_i386::got_entry_count): New function.
6749         (Target_i386::plt_entry_count): New function.
6750         (Target_i386::first_plt_entry_offset): New function.
6751         (Target_i386::plt_entry_size): New function.
6752         (Output_data_plt_i386::entry_count): New function.
6753         (Output_data_plt_i386::first_plt_entry_offset): New function.
6754         (Output_data_plt_i386::get_plt_entry_size): New function.
6755         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
6756         find_incremental_inputs_sections.  Dump incremental_got_plt section.
6757         * incremental.cc: Include target.h.
6758         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
6759         parameter.  Adjust all callers.  Find incremental_got_plt section.
6760         (Incremental_inputs::create_data_sections): Create incremental_got_plt
6761         section.
6762         (Output_section_incremental_inputs::set_final_data_size): Calculate
6763         size of incremental_got_plt section.
6764         (Output_section_incremental_inputs::do_write): Write the
6765         incremental_got_plt section.
6766         (Got_plt_view_info): New struct.
6767         (Local_got_offset_visitor): New class.
6768         (Global_got_offset_visitor): New class.
6769         (Global_symbol_visitor_got_plt): New class.
6770         (Output_section_incremental_inputs::write_got_plt): New function.
6771         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
6772         Add parameter.  Adjust all callers.
6773         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
6774         (Incremental_inputs::got_plt_section): New function.
6775         (Incremental_inputs::got_plt_section_): New data member.
6776         (Incremental_got_plt_reader): New class.
6777         * layout.cc (Layout::create_incremental_info_sections): Add the
6778         incremental_got_plt section.
6779         * object.h (Got_offset_list::get_list): New function.
6780         (Got offset_list::for_all_got_offsets): New function.
6781         (Sized_relobj::local_got_offset_list): New function.
6782         * powerpc.cc (Target_powerpc::got_size): Add const.
6783         (Target_powerpc::got_entry_count): New function.
6784         (Target_powerpc::plt_entry_count): New function.
6785         (Target_powerpc::first_plt_entry_offset): New function.
6786         (Target_powerpc::plt_entry_size): New function.
6787         (Output_data_plt_powerpc::entry_count): New function.
6788         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
6789         (Output_data_plt_powerpc::get_plt_entry_size): New function.
6790         * sparc.cc (Target_sparc::got_size): Add const.
6791         (Target_sparc::got_entry_count): New function.
6792         (Target_sparc::plt_entry_count): New function.
6793         (Target_sparc::first_plt_entry_offset): New function.
6794         (Target_sparc::plt_entry_size): New function.
6795         (Output_data_plt_sparc::entry_count): New function.
6796         (Output_data_plt_sparc::first_plt_entry_offset): New function.
6797         (Output_data_plt_sparc::get_plt_entry_size): New function.
6798         * symtab.h (Symbol::got_offset_list): New function.
6799         (Symbol_table::for_all_symbols): New function.
6800         * target.h (Sized_target::got_entry_count): New function.
6801         (Sized_target::plt_entry_count): New function.
6802         (Sized_target::plt_entry_size): New function.
6803         * x86_64.cc (Target_x86_64::got_size): Add const.
6804         (Target_x86_64::got_entry_count): New function.
6805         (Target_x86_64::plt_entry_count): New function.
6806         (Target_x86_64::first_plt_entry_offset): New function.
6807         (Target_x86_64::plt_entry_size): New function.
6808         (Output_data_plt_x86_64::entry_count): New function.
6809         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
6810         (Output_data_plt_x86_64::get_plt_entry_size): New function.
6811
6812 2010-08-12  Cary Coutant  <ccoutant@google.com>
6813
6814         * archive.cc: Include incremental.h.
6815         (Archive::Archive): Initialize incremental_info_.
6816         (Archive::include_member): Record archive members in incremental info.
6817         (Add_archive_symbols::run): Record begin and end of an archive in
6818         incremental info.
6819         (Lib_group::include_member): Record objects in incremental info.
6820         * archive.h (Incremental_archive_entry): Forward declaration.
6821         (Archive::set_incremental_info): New member function.
6822         (Archive::incremental_info): New member function.
6823         (Archive::Unused_symbol_iterator): New class.
6824         (Archive::unused_symbols_begin): New member function.
6825         (Archive::unused_symbols_end): New member function.
6826         (Archive::incremental_info_): New data member.
6827         * incremental-dump.cc (find_input_containing_global): New function.
6828         (dump_incremental_inputs): Dump new incremental info sections.
6829         * incremental.cc: Include symtab.h.
6830         (Output_section_incremental_inputs): New class.
6831         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
6832         new incremental info sections.
6833         (Sized_incremental_binary::do_check_inputs): Likewise.
6834         (Incremental_inputs::report_archive): Remove.
6835         (Incremental_inputs::report_archive_begin): New function.
6836         (Incremental_inputs::report_archive_end): New function.
6837         (Incremental_inputs::report_object): New function.
6838         (Incremental_inputs::finalize_inputs): Remove.
6839         (Incremental_inputs::report_input_section): New function.
6840         (Incremental_inputs::report_script): Rewrite.
6841         (Incremental_inputs::finalize): Do nothing but finalize string table.
6842         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
6843         (Incremental_inputs::sized_create_inputs_section_data): Remove.
6844         (Incremental_inputs::create_data_sections): New function.
6845         (Incremental_inputs::relocs_entsize): New function.
6846         (Output_section_incremental_inputs::set_final_data_size): New function.
6847         (Output_section_incremental_inputs::do_write): New function.
6848         (Output_section_incremental_inputs::write_header): New function.
6849         (Output_section_incremental_inputs::write_input_files): New function.
6850         (Output_section_incremental_inputs::write_info_blocks): New function.
6851         (Output_section_incremental_inputs::write_symtab): New function.
6852         * incremental.h (Incremental_script_entry): Forward declaration.
6853         (Incremental_object_entry): Forward declaration.
6854         (Incremental_archive_entry): Forward declaration.
6855         (Incremental_inputs): Forward declaration.
6856         (Incremental_inputs_header_data): Remove.
6857         (Incremental_inputs_header): Remove.
6858         (Incremental_inputs_header_write): Remove.
6859         (Incremental_inputs_entry_data): Remove.
6860         (Incremental_inputs_entry): Remove.
6861         (Incremental_inputs_entry_write): Remove.
6862         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
6863         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
6864         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
6865         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
6866         Likewise.
6867         (Incremental_input_entry): New class.
6868         (Incremental_script_entry): New class.
6869         (Incremental_object_entry): New class.
6870         (Incremental_archive_entry): New class.
6871         (Incremental_inputs::Incremental_inputs): Initialize new data members.
6872         (Incremental_inputs::report_inputs): Remove.
6873         (Incremental_inputs::report_archive): Remove.
6874         (Incremental_inputs::report_archive_begin): New function.
6875         (Incremental_inputs::report_archive_end): New function.
6876         (Incremental_inputs::report_object): Change prototype.
6877         (Incremental_inputs::report_input_section): New function.
6878         (Incremental_inputs::report_script): Change prototype.
6879         (Incremental_inputs::get_reloc_count): New function.
6880         (Incremental_inputs::set_reloc_count): New function.
6881         (Incremental_inputs::create_data_sections): New function.
6882         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
6883         (Incremental_inputs::inputs_section): New function.
6884         (Incremental_inputs::symtab_section): New function.
6885         (Incremental_inputs::relocs_section): New function.
6886         (Incremental_inputs::get_stringpool): Add const.
6887         (Incremental_inputs::command_line): Add const.
6888         (Incremental_inputs::inputs): Remove.
6889         (Incremental_inputs::command_line_key): New function.
6890         (Incremental_inputs::input_file_count): New function.
6891         (Incremental_inputs::input_files): New function.
6892         (Incremental_inputs::relocs_entsize): New function.
6893         (Incremental_inputs::sized_create_inputs_section_data): Remove.
6894         (Incremental_inputs::finalize_inputs): Remove.
6895         (Incremental_inputs::Input_info): Remove.
6896         (Incremental_inputs::lock_): Remove.
6897         (Incremental_inputs::inputs_): Change type.
6898         (Incremental_inputs::inputs_map_): Remove.
6899         (Incremental_inputs::current_object_entry_): New data member.
6900         (Incremental_inputs::inputs_section_): New data member.
6901         (Incremental_inputs::symtab_section_): New data member.
6902         (Incremental_inputs::relocs_section_): New data member.
6903         (Incremental_inputs::reloc_count_): New data member.
6904         (Incremental_inputs_reader): New class.
6905         (Incremental_symtab_reader): New class.
6906         (Incremental_relocs_reader): New class.
6907         * layout.cc (Layout::finalize): Move finalization of incremental info
6908         and creation of incremental info sections to follow finalization of
6909         symbol table.  Set offsets for postprocessing sections.
6910         (Layout::create_incremental_info_sections): Call
6911         Incremental_inputs::create_data_sections.  Add incremental symtab
6912         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
6913         sections to layout after input sections.
6914         * layout.h (struct Timespec): Forward declaration.
6915         (Layout::incremental_inputs): Add const.
6916         (Layout::create_incremental_info_sections): Add parameter.
6917         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
6918         * object.cc: Include incremental.h.
6919         (Relobj::finalize_incremental_relocs): New function.
6920         (Sized_relobj::do_layout): Record input sections in incremental info.
6921         * object.h (Object::output_section): New function.
6922         (Object::output_section_offset): Moved from Relobj.
6923         (Object::get_incremental_reloc_base): New function.
6924         (Object::get_incremental_reloc_count): New function.
6925         (Object::do_output_section): New function.
6926         (Object::do_output_section_offset): Moved from Relobj.
6927         (Object::do_get_incremental_reloc_base): New function.
6928         (Object::do_get_incremental_reloc_count): New function.
6929         (Object::Object): Initialize new data members.
6930         (Relobj::output_section): Renamed do_output_section and moved to
6931         protected.
6932         (Relobj::output_section_offset): Moved to Object.
6933         (Relobj::do_get_incremental_reloc_base): New function.
6934         (Relobj::do_get_incremental_reloc_count): New function.
6935         (Relobj::allocate_incremental_reloc_counts): New function.
6936         (Relobj::count_incremental_reloc): New function.
6937         (Relobj::finalize_incremental_relocs): New function.
6938         (Relobj::next_incremental_reloc_index): New function.
6939         (Relobj::reloc_counts_): New data member.
6940         (Relobj::reloc_bases_): New data member.
6941         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
6942         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
6943         (Sized_relobj::incremental_relocs_scan): New function.
6944         (Sized_relobj::incremental_relocs_scan_reltype): New function.
6945         (Sized_relobj::incremental_relocs_write): New function.
6946         (Sized_relobj::incremental_relocs_write_reltype): New function.
6947         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
6948         incremental link.
6949         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
6950         archives and object files elsewhere.
6951         (Add_symbols::run): Report object files here.
6952         (Finish_group::run): Report end of archive at end of group.
6953         * reloc.cc: Include layout.h, incremental.h.
6954         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
6955         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
6956         (Sized_relobj::incremental_relocs_scan): New function.
6957         (Sized_relobj::incremental_relocs_scan_reltype): New function.
6958         (Sized_relobj::do_relocate_sections): Write incremental relocations.
6959         (Sized_relobj::incremental_relocs_write): New function.
6960         (Sized_relobj::incremental_relocs_write_reltype): New function.
6961         * script.cc (read_input_script): Rewrite test for incremental link.
6962         Change call to Incremental_inputs::report_script.
6963         * symtab.h (Symbol_table::first_global_index): New function.
6964         (Symbol_table::output_count): New function.
6965
6966 2010-08-12  Doug Kwan  <dougkwan@google.com>
6967
6968         * arm.cc (Target_arm::merge_object_attributes): Check command line
6969         options --no-wchar-size-warning and --no-enum-size-warning.
6970         * options.h (General_options): Add ld-compatible options
6971         --no-enum-size-warning and --no-wchar-size-warning.
6972
6973 2010-08-04  Ian Lance Taylor  <iant@google.com>
6974
6975         * x86_64.cc (Target_x86_64::Scan::local): Use
6976         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
6977         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
6978         (Target_x86_64::Scan::global): Likewise.
6979         (Target_x86_64::Relocate::relocate): Likewise.
6980         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
6981         Likewise.
6982
6983 2010-08-03  Cary Coutant  <ccoutant@google.com>
6984
6985         * merge.cc (Output_merge_string::do_add_input_section): Count strings
6986         to reserve space in merged_strings vector. Keep total input size
6987         for stats.
6988         (Output_merge_string::do_print_merge_stats): Print total input size.
6989         * merge.h (Output_merge_string): Add input_size_ field.
6990         * stringpool.cc (Stringpool_template::string_length): Move
6991         implementations out of Stringpool_template class and place in
6992         stringpool.h.
6993         * stringpool.h (string_length): Move out of Stringpool_template.
6994
6995 2010-08-03  Ian Lance Taylor  <iant@google.com>
6996
6997         PR 11712
6998         * layout.cc (relaxation_loop_body): If address of load segment is
6999         set, adjust address to include headers if possible.
7000
7001 2010-08-03  Ian Lance Taylor  <iant@google.com>
7002
7003         * version.cc (version_string): Bump to 1.10.
7004
7005 2010-08-03  Ian Lance Taylor  <iant@google.com>
7006
7007         PR 11805
7008         * layout.h (enum Output_section_order): Define.
7009         (class Layout): Update declarations.
7010         * layout.cc (Layout::get_output_section): Add order parameter.
7011         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
7012         is_first_non_relro parameters.  Change all callers.
7013         (Layout::choose_output_section): Likewise.
7014         (Layout::add_output_section_data): Likewise.
7015         (Layout::make_output_section): Likewise.  Set order.
7016         (Layout::default_section_order): New function.
7017         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
7018         * output.cc (Output_section::Output_section): Initialize order_.
7019         Don't initialize deleted fields.
7020         (Output_segment::Output_segment): Don't initialize deleted
7021         fields.
7022         (Output_segment::add_output_section_to_load): New function
7023         replacing add_output_section.  Change all callers to call this or
7024         add_output_section_to_nonload.
7025         (Output_segment::add_output_section_to_nonload): New function.
7026         (Output_segment::remove_output_section): Rewrite.
7027         (Output_segment::add_initial_output_data): Likewise.
7028         (Output_segment::has_any_data_sections): Likewise.
7029         (Output_segment::is_first_section_relro): Likewise.
7030         (Output_segment::maximum_alignment): Likewise.
7031         (Output_segment::has_dynamic_reloc): New function replacing
7032         dynamic_reloc_count.  Change all callers.
7033         (Output_segment::has_dynamic_reloc_list): New function replacing
7034         dynamic_reloc_count_list.  Change all callers.
7035         (Output_segment::set_section_addresses): Rewrite.
7036         (Output_segment::set_offset): Rewrite.
7037         (Output_segment::find_first_and_last_list): Remove.
7038         (Output_segment::set_tls_offsets): Rewrite.
7039         (Output_segment::first_section_load_address): Likewise.
7040         (Output_segment::output_section_count): Likewise.
7041         (Output_segment::section_with_lowest_load_address): Likewise.
7042         (Output_segment::write_section_headers): Likewise.
7043         (Output_segment::print_sections_to_map): Likewise.
7044         * output.h (class Output_data): Remove dynamic_reloc_count_
7045         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
7046         (Output_data::add_dynamic_reloc): Rewrite.
7047         (Output_data::has_dynamic_reloc): New function.
7048         (Output_data::dynamic_reloc_count): Remove.
7049         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
7050         is_last_relro_, is_first_non_relro_, is_interp_,
7051         is_dynamic_linker_section_ fields.  Add order and set_order
7052         functions.  Remove is_relro_local, set_is_relro_local,
7053         is_last_relro, set_is_last_relro, is_first_non_relro,
7054         set_is_first_non_relro functions, is_interp, set_is_interp,
7055         is_dynamic_linker_section, and set_is_dynamic_linker_section
7056         functions.
7057         (class Output_segment): Change Output_data_list from std::list to
7058         std:;vector.  Add output_lists_ field.  Remove output_data_ and
7059         output_bss_ fields.  Update declarations.
7060
7061 2010-08-02  Ian Lance Taylor  <iant@google.com>
7062
7063         * arm.cc (Target_arm::gc_process_relocs): Use typename.
7064         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
7065         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
7066
7067 2010-08-02  Ian Lance Taylor  <iant@google.com>
7068
7069         PR 11855
7070         * script.cc (Script_options::Script_options): Initialize
7071         symbol_definitions_ and symbol_references_.
7072         (Script_options::add_symbol_assignment): Update
7073         symbol_definitions_ and symbol_references_.
7074         (Script_options::add_symbol_reference): New function.
7075         (script_symbol): New function.
7076         * script.h (class Script_options): Add symbol_definitions_ and
7077         symbol_references_ fields.
7078         (Script_options::referenced_const_iterator): New type.
7079         (Script_options::referenced_begin): New function.
7080         (Script_options::referenced_end): New function.
7081         (Script_options::is_referenced): New function.
7082         (Script_options::any_unreferenced): New function.
7083         * script-c.h (script_symbol): Declare.
7084         * yyscript.y (exp): Call script_symbol.
7085         * symtab.cc: Include "script.h".
7086         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
7087         Change all callers.  Check symbols referenced by scripts.
7088         (Symbol_table::add_undefined_symbols_from_command_line): Add
7089         layout parameter.  Change all callers.
7090         (Symbol_table::do_add_undefined_symbols_from_command_line):
7091         Likewise.  Break out loop body.  Check symbols referenced by
7092         scripts.
7093         (Symbol_table::add_undefined_symbol_from_command_line): New
7094         function broken out of
7095         do_add_undefined_symbols_from_command_line.
7096         * symtab.h (class Symbol_table): Update declarations.
7097         * archive.cc: Include "layout.h".
7098         (Archive::should_include_member): Add layout parameter.  Change
7099         all callers.  Check for symbol mentioned in expression.
7100         * archive.h (class Archive): Update declaration.
7101         * object.cc (Sized_relobj::do_should_include_member): Add layout
7102         parameter.
7103         * object.h (Object::should_include_member): Add layout parameter.
7104         Change all callers.
7105         (Object::do_should_include_member): Add layout parameter.
7106         (class Sized_relobj): Update declaration.
7107         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
7108         parameter.
7109         * dynobj.h (class Sized_dynobj): Update declaration.
7110         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
7111         layout parameter.
7112         * plugin.h (class Sized_pluginobj): Update declaration.
7113
7114 2010-08-02  Ian Lance Taylor  <iant@google.com>
7115
7116         PR 11866
7117         * output.cc (Output_segment::set_offset): Search for the first and
7118         last sections rather than assuming that the list is in order.
7119         (Output_segment::find_first_and_last_list): New function.
7120         * output.h (class Output_segment): Update declarations.
7121         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
7122         (relro_strip_test_SOURCES): New variable.
7123         (relro_strip_test_DEPENDENCIES): New variable.
7124         (relro_strip_test_LDFLAGS): New variable.
7125         (relro_strip_test_LDADD): New variable.
7126         (relro_strip_test.so): New target.
7127
7128 2010-08-02  Ian Lance Taylor  <iant@google.com>
7129
7130         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
7131         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
7132         (Target_i386::got_tlsdesc_section): New function.
7133         (Target_i386::got_section): Create space for GOT entries for
7134         TLSDESC relocations.
7135         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
7136         R_386_TLS_GOTDESC.
7137         (Target_i386::Scan::global): Likewise.
7138         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
7139         using TLSDESC GOT.
7140         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
7141         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
7142         (Target_x86_64::got_tlsdesc_section): New function.
7143         (Target_x86_64::got_section): Create space for GOT entries for
7144         TLSDESC relocations.
7145         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
7146         R_386_TLS_GOTDESC.
7147         (Target_x86_64::Scan::global): Likewise.
7148         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
7149         using TLSDESC GOT.
7150
7151 2010-08-02  Ian Lance Taylor  <iant@google.com>
7152
7153         * testsuite/final_layout.sh: Use dc to convert from hex to
7154         decimal.
7155
7156 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
7157
7158         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
7159         paramter to the call to gold::gc_process_relocs.
7160         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
7161         paramter to the call to gold::gc_process_relocs.
7162         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
7163         parameter to the call to gold::gc_process_relocs.
7164         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
7165         template parameter to the call to gold::gc_process_relocs.
7166         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
7167         paramter to the call to gold::gc_process_relocs.
7168         * gc.h (get_embedded_addend_size): New function.
7169         (gc_process_relocs): Save the size of the reloc for use by ICF.
7170         * icf.cc (get_section_contents): Get the addend from the text section
7171         for SHT_REL relocation sections.
7172         * icf.h (Icf::Reloc_addend_size_info): New typedef.
7173         (Icf::Reloc_info): Add new member reloc_addend_size_info.
7174         * int_encoding.h (read_from_pointer): New overloaded function.
7175         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
7176         * testsuite/icf_sht_rel_addend_test.sh: New file.
7177         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
7178         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
7179
7180 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7181
7182         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
7183         * Makefile.in: Regenerate.
7184         * testsuite/Makefile.in: Regenerate.
7185
7186 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
7187
7188         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
7189         * gold/testsuite/debug_msg.cc: Likewise.
7190         * gold/testsuite/odr_violation1.cc
7191         * gold/testsuite/odr_violation2.cc
7192
7193 2010-07-21  Cary Coutant  <ccoutant@google.com>
7194
7195         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
7196         string, and length fields.
7197         (Output_merge_string::Merged_strings_list): New type.
7198         (Output_merge_string::Merged_strings_lists): New typedef.
7199         (Output_merge_string): Replace merged_strings_ with
7200         merged_strings_lists_.
7201         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
7202         Merged_strings_list per input object and section.  Don't store pointer
7203         to the string.  Don't store length with each merged string entry.
7204         (Output_merge_string::finalize_merged_data): Loop over list of merged
7205         strings lists.  Recompute length of each merged string.
7206
7207 2010-07-15  Cary Coutant  <ccoutant@google.com>
7208
7209         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
7210         here.
7211
7212 2010-07-14  Ian Lance Taylor  <iant@google.com>
7213
7214         * descriptors.cc (Descriptors::open): Report correct name in error
7215         message.
7216
7217 2010-07-13  Doug Kwan  <dougkwan@google.com>
7218
7219         * arm.cc (Arm_input_section::Arm_input_section): For a
7220         SHT_ARM_EXIDX section, always keeps the input sections.
7221         (Arm_input_section::set_exidx_section_link): New method.
7222         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
7223         has_errors_ to false.
7224         (Arm_exidx_input_section::has_errors,
7225         Arm_exidx_input_section::set_has_errors): New methods.
7226         (Arm_exidx_input_section::has_errors_): New data member.
7227         (Arm_relobj::get_exidx_shndx_list): New method.
7228         (Arm_output_section::append_text_sections_to_list): Do not skip
7229         section without SHF_EXECINSTR.
7230         (Arm_output_section::fix_exidx_coverage): Skip input sections with
7231         errors.
7232         (Arm_relobj::make_exidx_input_section): Add new parameter for text
7233         section header.  Make error messages more verbose.  Check for
7234         a non-executable section linked to an EXIDX section.
7235         (Arm_relobj::do_read_symbols): Remove error checking, which has been
7236         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
7237         check that there is no deferred EXIDX section if we exit early.
7238         Instead of not making an EXIDX section in case of an error, make one
7239         and set the has_errors flag of it.
7240         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
7241         in a relocatable link.
7242         (Target_arm::do_relax): Look for the EXIDX output section instead of
7243         assuming that it is called .ARM.exidx.
7244         (Target_arm::fix_exidx_coverage): Add a new parameter for input
7245         section list.  Do not check for SHF_EXECINSTR section flags but
7246         skip any input section with errors.
7247         * output.cc (Output_section::Output_section): Initialize
7248         always_keeps_input_sections_ to false.
7249         (Output_section::add_input_section): Check for
7250         always_keeps_input_sections_.
7251         *  output.h (Output_section::always_keeps_input_sections,
7252         Output_section::set_always_keeps_input_sections): New methods.
7253         (Output_section::always_keeps_input_sections): New data member.
7254
7255 2010-07-13  Rafael Espindola  <espindola@google.com>
7256
7257         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
7258         * fileread.h (Input_file): Add try_extra_search_path and find_file.
7259
7260 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
7261             Ian Lance Taylor  <iant@google.com>
7262
7263         * output.h (Output_section_lookup_maps::add_merge_section):
7264         Correct check of whether value was inserted.
7265         (Output_section_lookup_maps::add_merge_input_section): Likewise.
7266         (Output_section_lookup_maps::add_relaxed_input_section):
7267         Likewise.
7268         * arm.cc (Target_arm::got_section): Remove used local os.
7269         * i386.cc (Target_i386::got_section): Likewise.
7270         * x86_64.cc (Target_x86_64::got_section): Likewise.
7271         * sparc.cc (Target_sparc::got_section): Likewise.
7272         (Target_sparc::relocate): Remove unused local have_got_offset.
7273         * powerpc.cc (Target_powerpc::relocate): Likewise.
7274
7275 2010-07-13  Ian Lance Taylor  <iant@google.com>
7276
7277         * compressed_output.cc (zlib_decompress): Fix signature in
7278         !HAVE_ZLIB_H case.
7279
7280         * archive.cc (Archive::include_member): Unlock an external member
7281         of a thin archive.  Don't bother to delete an object we know is
7282         NULL.
7283
7284 2010-07-12  Cary Coutant  <ccoutant@google.com>
7285
7286         * compressed_output.cc (zlib_decompress): New function.
7287         (get_uncompressed_size): New function.
7288         (decompress_input_section): New function.
7289         * compressed_output.h (get_uncompressed_size): New function.
7290         (decompress_input_section): New function.
7291         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
7292         Handle compressed debug sections.
7293         * layout.cc (is_compressed_debug_section): New function.
7294         (Layout::output_section_name): Map compressed section names to
7295         canonical names.
7296         * layout.h (is_compressed_debug_section): New function.
7297         (is_debug_info_section): Recognize compressed debug sections.
7298         * merge.cc: Include compressed_output.h.
7299         (Output_merge_data::do_add_input_section): Handle compressed
7300         debug sections.
7301         (Output_merge_string::do_add_input_section): Handle compressed
7302         debug sections.
7303         * object.cc: Include compressed_output.h.
7304         (Sized_relobj::Sized_relobj): Initialize new data members.
7305         (build_compressed_section_map): New function.
7306         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
7307         * object.h (Object::section_is_compressed): New method.
7308         (Object::do_section_is_compressed): New method.
7309         (Sized_relobj::Compressed_section_map): New type.
7310         (Sized_relobj::do_section_is_compressed): New method.
7311         (Sized_relobj::compressed_sections_): New data member.
7312         * output.cc (Output_section::add_input_section): Handle compressed
7313         debug sections.
7314         * reloc.cc: Include compressed_output.h.
7315         (Sized_relobj::write_sections): Handle compressed debug sections.
7316
7317 2010-07-08  Cary Coutant  <ccoutant@google.com>
7318
7319         * resolve.cc (Symbol_table::resolve): Remember whether undef was
7320         weak when resolving to a dynamic def.
7321         (Symbol_table::should_override): Add adjust_dyndef flag; set it
7322         for weak undef/dynamic def cases. Adjust callers.
7323         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
7324         undef_binding_weak_.
7325         (Symbol_table::sized_write_globals): Adjust symbol binding.
7326         (Symbol_table::sized_write_symbol): Add binding parameter.
7327         * symtab.h (Symbol::set_undef_binding): New method.
7328         (Symbol::is_undef_binding_weak): New method.
7329         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
7330         (Symbol_table::should_override): Add new parameter.
7331         (Symbol_table::sized_write_symbol): Add new parameter.
7332
7333         * testsuite/weak_undef_file1.cc: Add new test case.
7334         * testsuite/weak_undef_file2.cc: Fix header comment.
7335         * testsuite/weak_undef_test.cc: Add new test case.
7336
7337 2010-06-29  Doug Kwan  <dougkwan@google.com>
7338
7339         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
7340         Initialize USE_SYMBOL_.
7341         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
7342         definition.
7343         (Arm_reloc_property::uses_symbol_): New data member declaration.
7344         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
7345         uses symbol value and symbol is undefined but not weakly undefined.
7346
7347 2010-06-28  Rafael Espindola  <espindola@google.com>
7348
7349         * plugin.cc (Plugin::load): Use dlerror.
7350
7351 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
7352
7353         * symtab.cc (detect_odr_violations): When reporting an ODR
7354         violation, report an object where the symbol is defined.
7355
7356 2010-06-25  Doug Kwan  <dougkwan@google.com>
7357
7358         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
7359         (Target_arm::section_may_have_icf_unsafe_pointers): New method
7360         definition.
7361         (Target_arm::Scan::local_reloc_may_be_function_pointer,
7362         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
7363         target hook to detect function points.
7364         (Target_arm::Scan::possible_function_pointer_reloc): New method.
7365         * icf.h (Icf::check_section_for_function_pointers): Change type of
7366         parameter SECTION_NAME to const reference to std::string.  Use
7367         target hook to determine if section may have unsafe pointers.
7368         * target.h (Target::section_may_have_icf_unsafe_pointers): New
7369         method definition.
7370
7371 2010-06-21  Rafael Espindola  <espindola@google.com>
7372
7373         * fileread.cc (Input_file::find_fie): New
7374         (Input_file::open): Use Input_file::find_fie.
7375         * fileread.h (Input_file::find_fie): New
7376         * plugin.cc (set_extra_library_path): New.
7377         (Plugin::load): Add set_extra_library_path to the transfer vector.
7378         (Plugin_manager::set_extra_library_path): New.
7379         (Plugin_manager::add_input_file): Use the extra search path if set.
7380         (set_extra_library_path(): New.
7381         * plugin.h (Plugin_manager): Add set_extra_library_path and
7382         extra_search_path_.
7383
7384 2010-06-19  Cary Coutant  <ccoutant@google.com>
7385
7386         * layout.cc (gdb_sections): Add .debug_types.
7387         (lines_only_debug_sections): Likewise.
7388
7389 2010-06-18  Rafael Espindola  <espindola@google.com>
7390
7391         * plugin.cc (add_input_file,add_input_library)
7392         (Plugin_manager::add_input_file): Make filename arguments const.
7393         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
7394         const.
7395
7396 2010-06-16  Doug Kwan  <dougkwan@google.com>
7397
7398         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
7399         .ARM.attributes section if we have not merged any input
7400         attributes sections.
7401
7402 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7403
7404         * arm.cc: Allow combining objects with no EABI version
7405         information.
7406
7407 2010-06-15  Rafael Espindola  <espindola@google.com>
7408
7409         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
7410
7411 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7412
7413         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
7414         (struct iovec): Correct !HAVE_READV definition.
7415
7416 2010-06-10  Cary Coutant  <ccoutant@google.com>
7417
7418         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
7419         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
7420         reloc sections.
7421         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
7422
7423         PR 11683
7424         * symtab.h (Symbol::is_placeholder): New member function.
7425         * target-reloc.h (relocate_section): Check for placeholder symbols.
7426
7427         * testsuite/Makefile.am (plugin_test_8): New test.
7428         (plugin_test_9): New test.
7429         * testsuite/Makefile.in: Regenerate.
7430
7431 2010-06-09  Nick Clifton  <nickc@redhat.com>
7432
7433         * yyscript.y (input_list_element): Allow strings prefixed with
7434         the '-' character.  Treat these as libraries.
7435         * script.cc (script_add_library): New function.  Adds a library
7436         specified by "-l<name>" found in an input script.
7437         * script-c.h: Add prototype for script_add_library.
7438
7439 2010-06-07  Doug Kwan  <dougkwan@google.com>
7440
7441         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
7442         Restrict stub-group size to be within long conditional branch
7443         range when working around cortex-A8 erratum.
7444
7445 2010-06-07  Damien Diederen  <dd@crosstwine.com>
7446
7447         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
7448         #ifdef typo.
7449
7450 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
7451
7452         PR gold/11658
7453         * output.cc
7454         (Output_section::Input_section_sort_entry::compare_section_ordering):
7455         Change to return non-zero correctly.
7456         (Output_section::Input_section_sort_section_order_index_compare
7457         ::operator()): Change to fix ambiguity in comparisons.
7458
7459 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
7460
7461         * gold.h (is_wildcard_string): New function.
7462         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
7463         (Layout::layout_eh_frame): Ditto.
7464         (Layout::find_section_order_index): New method.
7465         (Layout::read_layout_from_file): New method.
7466         * layout.h (Layout::find_section_order_index): New method.
7467         (Layout::read_layout_from_file): New method.
7468         (Layout::input_section_position_): New private member.
7469         (Layout::input_section_glob_): New private member.
7470         * main.cc (main): Call read_layout_from_file here.
7471         * options.h (--section-ordering-file): New option.
7472         * output.cc (Output_section::input_section_order_specified_): New
7473         member.
7474         (Output_section::Output_section): Initialize new member.
7475         (Output_section::add_input_section): Add new parameter.
7476         Keep input sections when --section-ordering-file is used.
7477         (Output_section::set_final_data_size): Sort input sections when
7478         section ordering file is specified.
7479         (Output_section::Input_section_sort_entry): Add new parameter.
7480         Check sorting type.
7481         (Output_section::Input_section_sort_entry::compare_section_ordering):
7482         New method.
7483         (Output_section::Input_section_sort_compare::operator()): Change to
7484         consider section_order_index.
7485         (Output_section::Input_section_sort_init_fini_compare::operator()):
7486         Change to consider section_order_index.
7487         (Output_section::Input_section_sort_section_order_index_compare
7488         ::operator()): New method.
7489         (Output_section::sort_attached_input_sections): Change to sort
7490         according to section order when specified.
7491         (Output_section::add_input_section<32, true>): Add new parameter.
7492         (Output_section::add_input_section<64, true>): Add new parameter.
7493         (Output_section::add_input_section<32, false>): Add new parameter.
7494         (Output_section::add_input_section<64, false>): Add new parameter.
7495         * output.h (Output_section::add_input_section): Add new parameter.
7496         (Output_section::input_section_order_specified): New
7497         method.
7498         (Output_section::set_input_section_order_specified): New method.
7499         (Input_section::Input_section): Initialize section_order_index_.
7500         (Input_section::section_order_index): New method.
7501         (Input_section::set_section_order_index): New method.
7502         (Input_section::section_order_index_): New member.
7503         (Input_section::Input_section_sort_section_order_index_compare): New
7504         struct.
7505         (Output_section::input_section_order_specified_): New member.
7506         * script-sections.cc (is_wildcard_string): Delete and move modified
7507         method to gold.h.
7508         (Output_section_element_input::Output_section_element_input): Modify
7509         call to is_wildcard_string.
7510         (Output_section_element_input::Input_section_pattern
7511         ::Input_section_pattern): Ditto.
7512         (Output_section_element_input::Output_section_element_input): Ditto.
7513         * testsuite/Makefile.am (final_layout): New test case.
7514         * testsuite/Makefile.in: Regenerate.
7515         * testsuite/final_layout.cc: New file.
7516         * testsuite/final_layout.sh: New file.
7517
7518 2010-06-01  Rafael Espindola  <espindola@google.com>
7519
7520         * plugin.cc (Plugin::load): Pass the output name to the plugin.
7521
7522 2010-06-01  Rafael Espindola  <espindola@google.com>
7523
7524         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
7525         visibility of symbols.
7526
7527 2010-05-27  Doug Kwan  <dougkwan@google.com>
7528
7529         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
7530         from start of output section instead of address for a local symbol
7531         in a merged or relaxed section when doing a relocatable link.
7532
7533 2010-05-26  Rafael Espindola  <espindola@google.com>
7534
7535         PR 11604
7536         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
7537         adding sections the garbage collector removed.
7538         * gold/testsuite/Makefile.am: Add test.
7539         * gold/testsuite/Makefile.in: Regenerate.
7540         * gold/testsuite/plugin_test_7.sh: New.
7541         * gold/testsuite/plugin_test_7_1.c: New.
7542         * gold/testsuite/plugin_test_7_2.c: New.
7543
7544 2010-05-26  Rafael Espindola  <espindola@google.com>
7545
7546         * script-sections.cc (Output_section_definition::set_section_addresses):
7547         Check for --section-start.
7548
7549 2010-05-26  Doug Kwan  <dougkwan@google.com>
7550
7551         * arm.cc (Arm_scan_relocatable_relocs): New class.
7552         (Target_arm::relocate_special_relocatable): New method.
7553         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
7554         (Arm_relocate_functions::thumb_branch_common): Same.
7555         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
7556         instead of Default_scan_relocatable_relocs.
7557         * target-reloc.h (relocate_for_relocatable): Let target handle
7558         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
7559         * target.h (Sized_target::relocate_special_relocatable): New method.
7560
7561 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7562
7563         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
7564
7565 2010-05-23  Doug Kwan  <dougkwan@google.com>
7566
7567         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
7568         instead of a cast.
7569         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
7570         with a direct branch, not a conditional branch, to a stub.
7571         * merge.cc (Output_merge_base::record_input_section): New method
7572         defintion.
7573         (Output_merge_data::do_add_input_section): Record input section if
7574         keeps-input-sections flag is set.
7575         (Output_merge_string::do_add_input_section): Ditto.
7576         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
7577         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
7578         INPUT_SECTIONS_.
7579         (Output_merge_base::keeps_input_sections,
7580         Output_merge_base::set_keeps_input_sections,
7581         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
7582         method definitions.
7583         (Output_merge_base::Input_sections): New type declaration.
7584         (Output_merge_base::input_sections_begin,
7585         Output_merge_base::input_sections_end,
7586         Output_merge_base::do_set_keeps_input_sections): New method definitions.
7587         (Output_merge_base::bool keeps_input_sections_,
7588         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
7589         Output_merge_base::input_sections_): New data members.
7590         (Output_merge_data::do_set_keeps_input_sections): New method
7591         defintion.
7592         (Output_merge_string::do_set_keeps_input_sections): Ditto.
7593         * output.cc (Output_section::Input_section::relobj): Move method
7594         defintion from class declaration to here and handle merge sections.
7595         (Output_section::Input_section::shndx): Ditto.
7596         (Output_section::Output_section): Remove initializations of removed
7597         data members and initialize new data member LOOKUP_MAPS_.
7598         (Output_section::add_input_section): Set keeps-input-sections flag
7599         for a newly created merge output section as appropriate.  Adjust code
7600         to use Output_section_lookup_maps class.
7601         (Output_section::add_relaxed_input_section): Adjst code for lookup
7602         maps code refactoring.
7603         (Output_section::add_merge_input_section): Add a new parameter
7604         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
7605         class.  If adding input section to a newly created merge output
7606         section fails, remove the new merge section.
7607         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
7608         Adjust code for use of the Output_section_lookup_maps class.
7609         (Output_section::find_merge_section): Ditto.
7610         (Output_section::build_lookup_maps): New method defintion.
7611         (Output_section::find_relaxed_input_section): Adjust code to use
7612         Output_section_lookup_maps class.
7613         (Output_section::get_input_sections): Export merge sections.  Adjust
7614         code to use Output_section_lookup_maps class.
7615         (Output_section:::add_script_input_section): Adjust code to use
7616         Output_section_lookup_maps class.  Update lookup maps for merge
7617         sections also.
7618         (Output_section::discard_states): Use Output_section_lookup_maps.
7619         (Output_section::restore_states): Same.
7620         * output.h (Merge_section_properties): Move class defintion out of
7621         Output_section.
7622         (Output_section_lookup_maps): New class.
7623         (Output_section::Input_section::is_merge_section): New method
7624         defintion.
7625         (Output_section::Input_section::relobj): Move defintion out of class
7626         defintion.  Declare method only.
7627         (Output_section::Input_section::shndx): Ditto.
7628         (Output_section::Input_section::output_merge_base): New method defintion.
7629         (Output_section::Input_section::u2_.pomb): New union field.
7630         (Output_section::Merge_section_by_properties_map,
7631         Output_section::Output_section_data_by_input_section_map,
7632         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
7633         Remove types.
7634         (Output_section::add_merge_input_section): Add new parameter
7635         KEEPS_INPUT_SECTIONS.
7636         (Output_section::build_lookup_maps): New method declaration.
7637         (Output_section::merge_section_map_,
7638         Output_section::merge_section_by_properties_map_,
7639         Output_section::relaxed_input_section_map_,
7640         Output_section::is_relaxed_input_section_map_valid_): Remove data
7641         members.
7642         (Output_section::lookup_maps_): New data member.
7643
7644 2010-05-21  Doug Kwan  <dougkwan@google.com>
7645
7646         PR gold/11619
7647         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
7648         avoid a compilation error.
7649
7650 2010-05-19  Rafael Espindola  <espindola@google.com>
7651
7652         * script-sections.cc (Output_section_definition::allocate_to_segment):
7653         Update the phdrs_list even when the output section is NULL.
7654         * testsuite/Makefile.am: Add test.
7655         * testsuite/Makefile.in: Regenerate.
7656         * testsuite/script_test_9.cc: New.
7657         * testsuite/script_test_9.sh: New.
7658         * testsuite/script_test_9.t: New.
7659
7660 2010-05-19  Doug Kwan  <dougkwan@google.com>
7661
7662         * arm.cc (Arm_input_section::original_size): New method.
7663         (Arm_input_section::do_addralign): Add a cast.
7664         (Arm_input_section::do_output_offset): Remove static cast.
7665         (Arm_input_section::original_addralign,
7666          Arm_input_section::original_size_): Change type to uint32_t.
7667         (Arm_input_section::init): Add safe casts for section alignment
7668         and size.
7669         (Arm_input_section::set_final_data_size): Do not set address and
7670         offset of stub table.
7671         (Arm_output_section::fix_exidx_coverage): Change use of of
7672         Output_section::Simple_input_section to that of
7673         Output_section::Input_section.
7674         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
7675         except for the first pass.
7676         * output.cc (Output_section::get_input_sections): Change type of
7677         input_sections to std::list<Input_section>.
7678         (Output_section::add_script_input_section): Rename from
7679         Output_section::add_simple_input_section.  Change type of SIS
7680         parameter from Simple_input_section to Input_section.
7681         * output.h (Output_section::Simple_input_section): Remove class.
7682         (Output_section::Input_section): Change class visibility to public.
7683         (Output_section::Input_section::addralign): Use stored alignments
7684         for special input sections if set.
7685         (Output_section::Input_section::set_addralign): New method.
7686         (Output_section::get_input_sections): Change parameter type from
7687         list of Simple_input_section to list of Input_section.
7688         (Output_section::add_script_input_section): Rename from
7689         Output_section::add_simple_input_section. Change first parameter's
7690         type from Simple_input_section to Input_section and remove the
7691         second and third parameters.
7692         * script-sections.cc (Input_section::Input_section_list): Change
7693         type to list of Output_section::Input_section/
7694         (Input_section_info::Input_section_info): Change parameter type of
7695         INPUT_SECTION to Output_section::Input_section.
7696         (Input_section_info::input_section): Change return type.
7697         (Input_section_info::input_section_): Change type to
7698         Output_section::Input_section.
7699         (Output_section_element_input::set_section_addresses): Adjust code
7700         to use Output_section::Input_section instead of
7701         Output_section::Simple_input_section.  Adjust code for renaming
7702         of Output_section::add_simple_input_section.
7703         (Orphan_output_section::set_section_addresses): Ditto.
7704
7705 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7706
7707         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
7708         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
7709
7710 2010-05-18  Rafael Espindola  <espindola@google.com>
7711
7712         * options.cc (General_options::finalize): Handle -nostdlib.
7713         * options.h (nostdlib): New option.
7714         * script.cc (script_add_search_dir): Handle -nostdlib.
7715
7716 2010-05-12  Doug Kwan  <dougkwan@google.com>
7717
7718         * arm.cc (Target_arm::do_finalize_sections): Create an empty
7719         attributes section only if there no attributes section after merging.
7720         (Target_arm::merge_object_attributes): Move value of
7721         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
7722         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
7723         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
7724         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
7725         and arm_attr_merge_7.stdout.
7726         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
7727         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
7728         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
7729         arm_attr_merge_7b.o): New rules.
7730         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
7731         arm_attr_merge_7
7732         * testsuite/Makefile.in: Regenerate.
7733         * testsuite/arm_attr_merge.sh: New file.
7734         * testsuite/arm_attr_merge_[67][ab].s: Same.
7735
7736 2010-05-05  Nick Clifton  <nickc@redhat.com>
7737
7738         * po/es.po: Updated Spanish translation.
7739
7740 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
7741
7742         * Makefile.am (install-exec-local): Properly install gold as
7743         default cross linker.
7744         * Makefile.in: Regenerated.
7745
7746 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
7747             Nick Clifton  <nickc@redhat.com>
7748
7749         * configure.ac (install_as_default): Define and set to false
7750         unless --enable-gold or --enable-gold=both/gold has been
7751         specified.
7752         * configure: Regenerate.
7753
7754         * Makefile.am (install-exec-local): Install the executable as
7755         'ld.gold'.  If install_as_default is true then also install it as
7756         'ld'.
7757         * Makefile.in: Regenerated.
7758
7759 2010-04-24  Ian Lance Taylor  <iant@google.com>
7760
7761         * layout.cc (Layout::layout_reloc): In relocatable link don't
7762         combine reloc sections for grouped sections.
7763
7764 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
7765
7766         * gc.h (gc_process_relocs): Pass information on relocs pointing to
7767         sections that are not ordinary to icf.
7768         * icf.cc (get_section_contents): Handle relocation pointing to section
7769         with no object or shndx information.
7770         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
7771         * testsuite/Makefile.in: Regenerate.
7772         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
7773         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
7774
7775 2010-04-22  Ian Lance Taylor  <iant@google.com>
7776
7777         * expression.cc (Expression::Expression_eval_info): Add
7778         result_alignment_pointer field.
7779         (Expression::eval_with_dot): Add result_alignment_pointer
7780         parameter.  Change all callers.
7781         (Expression::eval_maybe_dot): Likewise.
7782         (class Binary_expression): Add alignment_pointer parameter to
7783         left_value and right_value.  Change all callers.
7784         (BINARY_EXPRESSION): Set result alignment.
7785         (class Trinary_expression): Add alignment_pointer parameter to
7786         arg2_value and arg3_value.  Change all callers.
7787         (Trinary_cond::value): Set result alignment.
7788         (Max_expression::value, Min_expression::value): Likewise.
7789         (Align_expression::value): Likewise.
7790         * script-sections.cc (class Sections_element): Add dot_alignment
7791         parameter to set_section_addresses virtual function.  Update
7792         instantiations.
7793         (class Output_section_element): Likewise.
7794         (Script_sections::create_segments): Add dot_alignment parameter.
7795         Change all callers.
7796         (Script_sections::create_segments_from_phdrs_clause): Likewise.
7797         (Script_sections::set_phdrs_clause_addresses): Likewise.
7798         * script-sections.h: Update declarations.
7799         * script.h: Update declarations.
7800         * output.h (Output_segment::set_minimum_p_align): Don't decrease
7801         min_p_align.
7802         * testsuite/script_test_3.t: Set large alignment.
7803         * testsuite/script_test_3.sh: Make sure that at least one LOAD
7804         segment has expected alignment.
7805
7806 2010-04-22  Nick Clifton  <nickc@redhat.com>
7807
7808         * po/gold.pot: Updated by the Translation project.
7809         * po/vi.po: Updated Vietnamese translation.
7810
7811 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
7812
7813         * testsuite/Makefile.am (check_PROGRAMS): Add
7814         icf_virtual_function_folding_test.
7815         * testsuite/Makefile.in: Regenerated.
7816
7817 2010-04-15  Andrew Haley  <aph@redhat.com>
7818
7819         * options.h (merge_exidx_entries): New option.
7820         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
7821         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
7822         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
7823         (Target_arm::merge_exidx_entries): New function.
7824         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
7825         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
7826         to Arm_exidx_fixup constructor.
7827         Add new arg, merge_exidx_entries.
7828         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
7829         Arm_output_section::fix_exidx_coverage.
7830
7831 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
7832
7833         * icf.cc (get_section_contents): Check for preemptible functions.
7834         Ignore addend when appropriate.
7835         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
7836         section folded.
7837         (add_from_relobj): Check for section folded.
7838         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
7839         * symtab.h (should_add_dynsym_entry): Add new parameter.
7840         * target-reloc.h (scan_relocs): Check for section folded.
7841         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
7842         Check reloc types for function pointers in shared objects.
7843         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
7844         case.
7845         (icf_preemptible_functions_test): New test case.
7846         (icf_string_merge_test): New test case.
7847         * testsuite.Makefile.in: Regenerate.
7848         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
7849         bar_glob.  Refactor code.
7850         * testsuite/icf_preemptible_functions_test.cc: New file.
7851         * testsuite/icf_preemptible_functions_test.sh: New file.
7852         * testsuite/icf_string_merge_test.cc: New file.
7853         * testsuite/icf_string_merge_test.sh: New file.
7854         * testsuite/icf_virtual_function_folding_test.cc: New file.
7855         * testsuite/icf_virtual_function_folding_test.sh: New file.
7856
7857 2010-04-14  Doug Kwan  <dougkwan@google.com>
7858
7859         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
7860         for local symbol recounting if we remove a section due to ICF.
7861         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
7862         there are no regular objects in input.
7863
7864 2010-04-13  Doug Kwan  <dougkwan@google.com>
7865
7866         * arm.cc (Arm_input_section::set_final_data_size): Compute
7867         accurate final data size instead of using current data size.
7868
7869 2010-04-09  Doug Kwan  <dougkwan@google.com>
7870
7871         * layout.cc (Layout::choose_output_section): Handle script section
7872         types.
7873         (Layout::make_output_section_for_script): Add section type parameter.
7874         Handle script section types.
7875         * layout.h (Layout::make_output_section_for_script): Add section
7876         type parameter.
7877         * output.cc (Output_section::Output_section): Initialize data member
7878         is_noload_.
7879         (Output_section::do_reset_address_and_file_offset): Do not set address
7880         to 0 if section is a NOLOAD section.
7881         * output.h (Output_section::is_noload): New method.
7882         (Output_section::set_is_noload): Ditto.
7883         (Output_section::is_noload_): New data member.
7884         * script-c.h (Script_section_type): New enum type.
7885         (struct Parser_output_section_header): Add new file section_type.
7886         * script-sections.cc (Sections_element::output_section_name): Add
7887         parameter for returning script section type.
7888         (Output_section_definition::output_section_name): Ditto.
7889         (Output_section_definition::section_type)P; New method.
7890         (Output_section_definiton::script_section_type_name): Ditto.
7891         (Output_section_definition::script_section_type_): New data member.
7892         (Output_section_definition::Output_section_definition): Initialize
7893         data member Output_section_definition::script_section_type_.
7894         (Output_section_definition::create_sections): Pass script section type
7895         to Layout::make_output_section_for_script.
7896         (Output_section_definition::output_section_name): Return script
7897         section type to caller.
7898         (Output_section_definition::set_section_address): Do not advance
7899         dot value and load address if section type is NOLOAD.  Set address
7900         of NOLOAD sections regardless of section flags.
7901         (Output_section_definition::print): Print section type if it is
7902         not SCRIPT_SECTION_TYPE_NONE.
7903         (Output_section_definition::section_type): New method.
7904         (Output_section_definition::script_section_type_name): Ditto.
7905         (Script_sections::output_section_name): Add new parameter
7906         PSECTION_TYPE for returning script section type.  Pass it to
7907         section elements.  Handle discard sections.
7908         (Sort_output_sections::operator()): Handle NOLOAD sections.
7909         * script-sections.h (Script_sections::Section_type): New enum type.
7910         (Script_sections::output_section_name): Add a new parameter for
7911         returning script section type.
7912         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
7913         INFO and NOLOAD.
7914         * yyscript.y (union): Add new field SECTION_TYPE.
7915         (COPY, DSECT, INFO, NOLOAD): New tokens.
7916         (opt_address_and_section_type): Change type to output_section_header.
7917         (section_type): New non-terminal
7918         (section_header): Handle section type.
7919         (opt_address_and_section_type): Return section type value.
7920
7921 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
7922
7923         * testsuite/plugin_common_test_1.c (foo): Add prototype.
7924         * testsuite/plugin_common_test_2.c (foo): Likewise.
7925
7926 2010-04-08  Doug Kwan  <dougkwan@google.com>
7927
7928         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
7929         Output_merge_data.
7930         * output.cc (Output_section::add_merge_input_section): Simplify
7931         code and return status of Output_merge_base::add_input_section.
7932         Update merge section map only if Output_merge_base::add_input_section
7933         returns true.
7934
7935 2010-04-07  Doug Kwan  <dougkwan@google.com>
7936
7937         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
7938         if section is marked as containing instructions but has no mapping
7939         symbols.
7940         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
7941         correct section index.
7942         (Arm_relobj::find_linked_text_section): Ditto.
7943
7944 2010-04-07  Cary Coutant  <ccoutant@google.com>
7945
7946         * archive.cc (include_member): Destroy Read_symbols_data object before
7947         releasing file.
7948         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
7949         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
7950         (Read_symbols_data::~Read_symbols_data) New destructor.
7951         (Section_relocs::Section_relocs) New constructor.
7952         (Section_relocs::~Section_relocs) New destructor.
7953         (Read_relocs_data::Read_relocs_data) New constructor.
7954         (Read_relocs_data::~Read_relocs_data) New destructor.
7955         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
7956         pointers to NULL after deleting.
7957
7958 2010-04-07  Doug Kwan  <dougkwan@google.com>
7959
7960         * arm.cc: Replace "endianity" with "endianness" in comments.
7961         (Arm_exidx_cantunwind): Ditto.
7962         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
7963         (Arm_relobj::merge_flags_and_attributes): New method.
7964         (Arm_relobj::merge_flags_and_attributes_): New data member.
7965         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
7966         (Arm_relobj::scan_sections_for_stubs): Ditto.
7967         (Arm_relobj::do_read_symbols): Check to see if we really want to
7968         merge processor-specific flags and attributes.  Exit early if
7969         an object is empty except for section names and the undefined symbol.
7970         (Target_arm::do_finalize_sections): Move check for ELF format to
7971         Arm_relobj::do_read_symbols.  Merge processor specific flags and
7972         attributes from a regular object only when we have determined that
7973         it is aapropriate.  Do not create an .ARM.attributes section in
7974         output if there is no regular input object.
7975         (Target_arm::merge_processor_specific_flags): Check
7976         --warn-mismatch before printing any error.
7977         (Target_arm::merge_object_attributes): Ditto.
7978         * gold.cc (queue_middle_tasks): Handle the case in which there is
7979         no regular object in input.
7980         * options.cc (General_options::parse_EB): New method.
7981         (General_options::parse_EL): Same.
7982         (General_options::General_options): Initialize endianness_.
7983         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
7984         New options.
7985         (General_options::Endianness): New enum.
7986         (General_options::endianness): New method.
7987         (General_options::endianness_): New data member.
7988         * parameters.cc (Parameters::set_options): Check target endianness.
7989         (Parameters::set_target_once): Ditto.
7990         (Parameters::check_target_endianness): New method.
7991         (parameters_force_valid_target): If either -EL or -EB is specified,
7992         use it to define endianness of default target.
7993         * parameters.h (Parameters::check_target_endianness): New method
7994         declaration.
7995         * target.h (class Target): Change "endianity" to "endianness"
7996         in comments.
7997
7998 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7999
8000         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
8001         * configure: Regenerate.
8002         * Makefile.in: Regenerate.
8003         * testsuite/Makefile.in: Regenerate.
8004
8005 2010-04-06  Cary Coutant  <ccoutant@google.com>
8006
8007         gcc PR lto/42757
8008         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
8009         prevailing definitions of common symbols.
8010         * testsuite/plugin_test_6.sh: New test case.
8011         * testsuite/plugin_common_test_1.c: New test case.
8012         * testsuite/plugin_common_test_2.c: New test case.
8013         * testsuite/Makefile.am (plugin_test_6): New test case.
8014         * testsuite/Makefile.in: Regenerate.
8015
8016 2010-04-06  Nick Clifton  <nickc@redhat.com>
8017
8018         * po/vi.po: New Vietnamese translation.
8019
8020 2010-03-30  Doug Kwan  <dougkwan@google.com>
8021
8022         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
8023
8024 2010-03-25  Doug Kwan  <dougkwan@google.com>
8025
8026         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
8027         to avoid a conversion warning on a 32-bit host.
8028
8029 2010-03-24  Ian Lance Taylor  <iant@google.com>
8030
8031         * testsuite/script_test_3.t: Add a TLS segment.
8032         * testsuite/Makefile.am (check_PROGRAMS): Add
8033         tls_phdrs_script_test.
8034         (tls_phdrs_script_test_SOURCES): Define.
8035         (tls_phdrs_script_test_DEPENDENCIES): Define.
8036         (tls_phdrs_script_test_LDFLAGS): Define.
8037         (tls_phdrs_script_test_LDADD): Define.
8038         * testsuite/Makefile.in: Rebuild.
8039
8040 2010-03-23  Cary Coutant  <ccoutant@google.com>
8041
8042         * fileread.cc (find_or_make_view): Fix comment.
8043
8044 2010-03-23  Ian Lance Taylor  <iant@google.com>
8045
8046         * script-sections.cc (class Orphan_section_placement): Define
8047         PLACE_TLS and PLACE_TLS_BSS.
8048         (Orphan_section_placement::Orphan_section_placement): Initialize
8049         new places.
8050         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
8051         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
8052         (tls_script_test_SOURCES): Define.
8053         (tls_script_test_DEPENDENCIES): Define.
8054         (tls_script_test_LDFLAGS): Define.
8055         (tls_script_test_LDADD): Define.
8056         * testsuite/Makefile.in: Rebuild.
8057
8058 2010-03-22  Doug Kwan  <dougkwan@google.com>
8059
8060         * arm.cc (Arm_relocate_functions::abs8,
8061         Arm_relocate_functions::abs16): Use correct check for overflow
8062         specified in the ARM ELF specs.
8063         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
8064         target of a BLX instruction specially.
8065         (Reloc_stub::stub_type_for_reloc): Ditto.
8066         (Relocate::relocate): Use symbolic names instead of numeric relocation
8067         codes to report error.
8068         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
8069         workaround.
8070         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
8071         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
8072         thumb2_blx_out_of_range.stdout
8073         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
8074         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
8075         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
8076         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
8077         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
8078         thumb2_blx_in_range, thumb2_blx_in_range.o,
8079         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
8080         thumb2_blx_out_of_range.o): New rules.
8081         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
8082         thumb2_blx_in_range and thumb2_blx_out_of_range.
8083         * testsuite/Makefile.in: Regenerate.
8084         * arm_branch_in_range.sh: Add tests for THUMB BLX.
8085         * testsuite/thumb_blx_in_range.s: New file.
8086         * testsuite/thumb_blx_out_of_range.s: New file.
8087
8088 2010-03-22  Rafael Espindola  <espindola@google.com>
8089
8090         * archive.cc (Should_include): Move to archive.h.
8091         (should_include_member): Make it a member of Archive.
8092         (Lib_group): New.
8093         (Add_lib_group_symbols): New.
8094         * archive.h: Include options.h.
8095         (Archive_member): Moved from Archive.
8096         (Should_include): Moved from archive.cc.
8097         (Lib_group): New.
8098         (Add_lib_group_symbols): New.
8099         * dynobj.cc (do_should_include_member): New.
8100         * dynobj.h (do_should_include_member): New.
8101         * gold.cc (queue_initial_tasks): Update call to queue.
8102         * main.cc (main): Print lib group stats.
8103         * object.cc (do_should_include_member): New.
8104         * object.h: Include archive.h.
8105         (Object::should_include_member): New.
8106         (Object::do_should_include_member): New.
8107         (Sized_relobj::do_should_include_member): New.
8108         * options.cc (General_options::parse_start_lib): New.
8109         (General_options::parse_end_lib): New.
8110         (Input_arguments::add_file): Handle lib groups.
8111         (Input_arguments::start_group): Check we are not in a lib.
8112         (Input_arguments::start_lib): New.
8113         (Input_arguments::end_lib): New.
8114         * options.h (General_options): Add start_lib and end_lib.
8115         (Input_argument::lib_): New.
8116         (Input_argument::lib): New.
8117         (Input_argument::is_lib): New.
8118         (Input_file_lib): New.
8119         (Input_arguments::in_lib_): New.
8120         (Input_arguments::in_lib): New.
8121         (Input_arguments::start_lib): New.
8122         (Input_arguments::end_lib_): New.
8123         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
8124         in unused members as preempted.
8125         (Sized_pluginobj::do_should_include_member): New.
8126         * plugin.h (Sized_pluginobj::do_should_include_member): New.
8127         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
8128         return the blocker.
8129         (Read_symbols::do_whole_lib_group): New.
8130         (Read_symbols::do_lib_group): New.
8131         (Read_symbols::do_read_symbols): Handle lib groups.
8132         (Read_symbols::get_name): Handle lib groups.
8133         * readsyms.h (Read_symbols): Add an archive member pointer.
8134         (Read_symbols::do_whole_lib_group): New.
8135         (Read_symbols::do_lib_group): New.
8136         (Read_symbols::member_): New.
8137         * script.cc (read_input_script): Update call to queue_soon.
8138
8139 2010-03-19  Doug Kwan  <dougkwan@google.com>
8140
8141         * arm.cc (Stub_table::Stub_table): Initialize new data members
8142         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
8143         (Stub_table::add_reloc_stub): Assign stub offset and update
8144         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
8145         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
8146         New data members.
8147         (Stub_table::update_data_size_and_addralign): Use
8148         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
8149         instead of going over all reloc stubs.
8150         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
8151         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
8152         Stringpool_template::offset_ to size of Stringpool_char.
8153         (Stringpool_template::new_key_offset): Remove code to initialize
8154         Stringpool_template::offset_.
8155         * stringpool.h (Stringpool_template::set_no_zero_null): Set
8156         Stringpool_template::offset_ to zero.
8157
8158 2010-03-15  Doug Kwan  <dougkwan@google.com>
8159
8160         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
8161         offset_.
8162         (Stringpool_template::new_key_offset): New method.
8163         (Stringpool_template::add_string): Assign offsets when adding new
8164         strings.
8165         (Stringpool_template::set_string_offsets): Do not set string offsets
8166         when not optimizing.
8167         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
8168         member size_.
8169         (Chunked_vector::clear): Clear size_.
8170         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
8171         (Chunked_vector::size): Return size_.
8172         (Chunked_vector::push_back): Use size_ to find insert position.
8173         (Chunked_vector::size_): New data member.
8174         (Stringpool_template::set_no_zero_null): Assert string set is empty.
8175         (Stringpool_template::new_key_offset): New method declaration.
8176         (Stringpool_template::offset_): New data member.
8177
8178 2010-03-15   Rafael Espindola  <espindola@google.com>
8179
8180         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
8181         Add_symbols' constructor.
8182         * readsyms.h (Add_symbols): Remove the input_group member.
8183
8184 2010-03-10  Ian Lance Taylor  <iant@google.com>
8185
8186         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
8187         target to ask whether a reference to a symbol requires a stack
8188         split.
8189         * target.h (Target::is_call_to_non_split): New function.
8190         (Target::do_is_call_to_non_split): Declare virtual function.
8191         * target.cc: Include "symtab.h".
8192         (Target::do_is_call_to_non_split): New function.
8193         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
8194
8195 2010-03-10  Cary Coutant  <ccoutant@google.com>
8196
8197         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
8198         (File_read::open[1]): Remove initial mapping of whole_file_view_.
8199         (File_read::open[2]): Add whole_file_view_ to list of views.
8200         (File_read::make_view): Remove test of whole_file_view_.
8201         (File_read::find_or_make_view): Create whole_file_view_ if
8202         necessary.
8203         (File_read::clear_views): Replace bool parameter with enum;
8204         adjust all callers.  Don't delete views with permanent data;
8205         do delete cached views and views from archives if
8206         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
8207         if clearing the corresponding view.
8208         * fileread.h (File_read::Clear_views_mode): New enum.
8209         (File_read::View::is_permanent_view): New method.
8210         (File_read::clear_views): Replace bool parameter
8211         with enum; adjust all callers.
8212         * options.h (General_options): Change keep_files_mapped option;
8213         add map_whole_files.
8214         * readsyms.cc (Add_symbols::run): Delete sd_ object before
8215         releasing the file.
8216         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
8217         the file.
8218
8219 2010-03-10  David S. Miller  <davem@davemloft.net>
8220
8221         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
8222
8223 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
8224
8225         * icf.cc (get_section_contents): Add '@' marker after processing the
8226         merge reloc.
8227
8228 2010-03-08  Doug Kwan  <dougkwan@google.com>
8229
8230         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
8231         due to a conversion warning.
8232         (Arm_relobj::update_output_local_symbol_count): Check for local
8233         symbol with unset output index.
8234
8235 2010-03-05  Ian Lance Taylor  <iant@google.com>
8236
8237         * options.h (class General_options): Add --spare-dynamic-tags.
8238         * output.cc (Output_data_dynamic::set_final_data_size): Implement
8239         --spare-dynamic-tags.
8240
8241 2010-03-05  Ian Lance Taylor  <iant@google.com>
8242
8243         * incremental.cc: Include "libiberty.h".
8244
8245 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
8246
8247         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
8248         function, is_info_ member.
8249         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
8250         (Versions::Versions): Update caller.
8251         (Versions::define_base_version): Likewise.
8252         (Versions::add_def): Likewise.
8253
8254 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
8255
8256         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
8257         (Scan::possible_function_pointer_reloc): New function.
8258         (Scan::local_reloc_may_be_function_pointer): Change to call
8259         possible_function_pointer_reloc.
8260         (Scan::global_reloc_may_be_function_pointer): Ditto.
8261         * icf.h (Icf::check_section_for_function_pointers): Change to reject
8262         relocations in ".data.rel.ro._ZTV" section.
8263         * testsuite/icf_safe_so_test.sh: Change to pass i386.
8264         * testsuite/icf_safe_so_test.cc: Ditto.
8265         * testsuite/icf_safe_test.cc: Ditto.
8266         * testsuite/icf_safe_test.sh: Ditto.
8267
8268 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8269             Ian Lance Taylor  <iant@google.com>
8270
8271         * target-reloc.h (relocate_section): Check the symbol table index
8272         for -1U before setting the local symbol index.
8273         (scan_relocatable_relocs): If copying the relocation, record that
8274         the local symbol is required.
8275         * object.h (Symbol_value::is_output_symtab_index_set): New
8276         function.
8277         (Symbol_value::may_be_discarded_from_output_symtab): New
8278         function.
8279         (Symbol_value::has_output_symtab_entry): New function.
8280         (Symbol_value::needs_output_symtab_entry): Remove.
8281         (Symbol_value::output_symtab_index): Make sure the symbol index is
8282         set.
8283         (Symbol_value::set_output_symtab_index): Make sure the symbol
8284         index is not set.  Make sure the new index is valid.
8285         (Symbol_value::set_must_have_output_symtab_entry): New function.
8286         (Symbol_value::has_output_dynsym_entry): New function.
8287         (Symbol_value::set_output_dynsym_index): Make sure the new index
8288         is valid.
8289         (Sized_relobj::set_must_have_output_symtab_entry): New function.
8290         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
8291         local symbol if permitted.
8292         (Sized_relobj::do_finalize_local_symbols): Call
8293         is_output_symtab_index_set rather than needs_output_symtab_entry.
8294         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
8295         rather than needs_output_symtab_entry.  Call
8296         has_output_dynsym_entry rather than needs_output_dynsym_entry.
8297         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
8298         is_output_symtab_index_set rather than needs_output_symtab_entry.
8299         * testsuite/discard_locals_relocatable_test.c: New file.
8300         * testsuite/discard_locals_test.sh: Test -r.
8301         * testsuite/Makefile.am (check_DATA): Add
8302         discard_locals_relocatable_test1.syms,
8303         discard_local_relocatable_test2.syms.
8304         (MOSTLYCLEANFILES): Likewise.  Also add
8305         discard_locals_relocatable_test1.lout and
8306         discard_locals_relocatable_test2.out.
8307         (discard_locals_relocatable_test1.syms): New target.
8308         (discard_locals_relocatable_test.o): New target.
8309         (discard_locals_relocatable_test1.out): New target.
8310         (discard_locals_relocatable_test2.syms): New target.
8311         (discard_locals_relocatable_test2.out): New target.
8312         (various): Add missing ../ld-new dependencies.
8313         * testsuite/Makefile.in: Rebuild.
8314
8315 2010-03-03  Nick Clifton  <nickc@redhat.com>
8316
8317         * po/fi.po: New Finnish translation.
8318
8319 2010-03-01  Doug Kwan  <dougkwan@google.com>
8320
8321         * layout.cc (Layout::Layout): Force section types of .init_array*,
8322         .preinit_array* and .fini_array* sections.
8323         * output.cc (Output_section::Input_section_sort_entry::has_priority):
8324         Fix check of return value of std::string::find.().
8325         (Output_section::Input_section_sort_compare::operator()): Remove
8326         comment about .init_array.
8327         (Output_section::Input_section_sort_init_fini_compare::operator()):
8328         New method.
8329         (Output_section::sort_attached_input_sections): Handle .init_array
8330         and .fini_array specially.
8331         * output.h (Output_section::Inut_section_sort_compare): Update
8332         comment.
8333         (Output_section::Input_section_sort_init_fini_compare): New struct.
8334
8335 2010-02-26  Doug Kwan  <dougkwan@google.com>
8336
8337         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
8338         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
8339         * testsuite/debug_msg.sh: Avoid matching source line number for
8340         use of global variable undef_int.
8341
8342 2010-02-26  Doug Kwan  <dougkwan@google.com>
8343
8344         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
8345         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
8346         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
8347         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
8348         * options.cc (General_options::General_options): Initialize member
8349         fix_v4bx_.
8350         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
8351         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
8352         and rm_no_fix_v4bx.stdout
8353         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
8354         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
8355         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
8356         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
8357         and arm_no_fix_v4bx.
8358         * Makefile.in: Regenerate.
8359         * testsuite/arm_fix_v4bx.s: New file.
8360         * testsuite/arm_fix_v4bx.sh: Ditto.
8361
8362 2010-02-24  Doug Kwan  <dougkwan@google.com>
8363
8364         * arm.cc (Target_arm::got_section): Make the .got section the first
8365         non RELRO section in the data segment.
8366         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
8367         suffixes of section names.
8368
8369 2010-02-24  Doug Kwan  <dougkwan@google.com>
8370
8371         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
8372         flags and attributes merging if an input file is a binary file.
8373         * fileread.cc (Input_file::open): Record format of original file.
8374         * fileread.h (Input_file::Format): New enum type.
8375         (Input_file::Input_file): Initialize data member format_.
8376         (Input_file::format): New method definition.
8377         (Input_file::format_):: New data member.
8378
8379 2010-02-24  Doug Kwan  <dougkwan@google.com>
8380
8381         * arm.cc (Arm_output_data_got): New class.
8382         (ARM_TCB_SIZE): New constant
8383         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
8384         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
8385         If user uses a script with a SECTIONS clause, issue only a warning
8386         for a misplaced EXIDX input section.  Otherwise, issue an error.
8387         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
8388         garbage collection.
8389         (Target_arm::got_mode_index_entry): Handle static linking.
8390         (Target_arm::Scan::local): Ditto.
8391         (Target_arm::Scan::global): Ditto.
8392         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
8393         all incorrectly implemented relocations.
8394         (Target_arm::fix_exidx_coverage): Pass layout to
8395         Arm_output_section::fix_exidx_coverage.
8396         * layout.cc (Layout::section_name_mapping): Remove trailing dots
8397         from ".ARM.exidx." and ".ARM.extab.".
8398
8399 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8400
8401         * arm.cc (Target_arm::do_finalize_sections): Create attribute
8402         section if it does not already exist.
8403         * attributes.cc (Attributes_section_data::Attributes_section_data):
8404         Don't crash if size is zero.
8405
8406 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8407             Ian Lance Taylor  <iant@google.com>
8408
8409         * gold.cc (queue_middle_tasks): If no input files were opened,
8410         exit.
8411         * workqueue.h (Task_function::Task_function): Assert that there is
8412         a blocker.
8413
8414 2010-02-22  Doug Kwan  <dougkwan@google.com>
8415
8416         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
8417         * icf.cc (get_section_contents): Cast snprintf arguments to long long
8418         types to avoid warnings due to different uint64_t implementations
8419         on different hosts.
8420
8421 2010-02-21  Doug Kwan  <dougkwan@google.com>
8422
8423         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
8424         handling of the maximum backward branch offset.
8425         (Arm_relocate_functions::thumb_branch_common): Ditto.
8426         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
8427         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
8428         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
8429         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
8430         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
8431         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
8432         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
8433         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
8434         thumb_bl_out_of_range thumb_bl_out_of_range.o,
8435         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
8436         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
8437         thumb2_bl_out_of_range.o): New rules.
8438         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
8439         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
8440         thumb2_bl_out_of_range
8441         * testsuite/Makefile.in: Regenerate.
8442         * testsuite/arm_bl_in_range.s: New file.
8443         * testsuite/arm_bl_out_of_range.s: Ditto.
8444         * testsuite/arm_branch_in_range.sh: Ditto.
8445         * testsuite/arm_branch_range.t: Ditto.
8446         * testsuite/thumb2_branch_range.t: Ditto.
8447         * testsuite/thumb_bl_in_range.s: Ditto.
8448         * testsuite/thumb_bl_out_of_range.s: Ditto.
8449         * testsuite/thumb_branch_range.t: Ditto.
8450
8451 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
8452
8453         * gc.h (gc_process_relocs): Change vectors to point to the new list.
8454         Add reloc offset information.
8455         * icf.cc (get_section_contents): Change iterators to point to the new
8456         vectors. Add reloc offset information to the contents.
8457         * icf.h (Icf::Sections_reachable_info): New typedef.
8458         (Icf::Sections_reachable_list): New typedef.
8459         (Icf::Offset_info): New typedef.
8460         (Icf::Reloc_info): New struct typedef.
8461         (Icf::Reloc_info_list): New typedef.
8462         (Icf::symbol_reloc_list): Delete method.
8463         (Icf::addend_reloc_list): Delete method.
8464         (Icf::section_reloc_list): Delete method.
8465         (Icf::reloc_info_list): New method.
8466         (Icf::reloc_info_list_): New member.
8467
8468 2010-02-19  Doug Kwan  <dougkwan@google.com>
8469
8470         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
8471         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
8472         * arm.cc (Arm_relocation_functions): New forward declaration.
8473         (Target_arm::Target_arm): Initialize new data members
8474         got_mod_index_offset_ and tls_base_symbol_defined_.
8475         (Target_arm::Relocate::relocate_tls): New method.
8476         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
8477          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
8478         New methods.
8479         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
8480         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
8481         (Target_arm::got_mod_index_offset_,
8482         Target_arm::tls_base_symbol_defined_): New data members.
8483         (Target_arm::Scan::local, Target::Scan::global,
8484         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
8485         relocations.
8486
8487 2010-02-18  Doug Kwan  <dougkwan@google.com>
8488
8489         * arm.cc (Arm_relobj::find_linked_text_section): New method.
8490         (Arm_relobj::make_exidx_input_section): Pass section index of linked
8491         text section as a parameter becuase some broken tools may not set
8492         the link in section header.
8493         (Target_arm::has_got_section): New method.
8494         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
8495         without any mapping symbol as data only.  Remove warning.
8496         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
8497         link in its section header, try to discover the link by inspecting the
8498         REL31 relocation at the beginning of the section.
8499         (Target_arm::Scan::check_non_pic): Report name of offending relocation
8500         in error message.
8501         (Target_arm::Scan::global): Treat any reference to the symbol
8502         _GLOBAL_OFFSET_TABLE_ as a GOT access.
8503
8504 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
8505
8506         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
8507         (Scan::global_reloc_may_be_function_pointer): New function.
8508         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
8509         (Scan::global_reloc_may_be_function_pointer): New function.
8510         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
8511         (Scan::global_reloc_may_be_function_pointer): New function.
8512         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
8513         (Scan::global_reloc_may_be_function_pointer): New function.
8514         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
8515         (Scan::global_reloc_may_be_function_pointer): New function.
8516         (Scan::possible_function_pointer_reloc): New function.
8517         (Target_x86_64::can_check_for_function_pointers): New function.
8518         * gc.h (gc_process_relocs): Scan relocation types to determine if
8519         function pointers were taken for targets that support it.
8520         * icf.cc (Icf::find_identical_sections): Include functions for
8521         folding in safe ICF whose pointer is not taken.
8522         * icf.h (Secn_fptr_taken_set): New typedef.
8523         (fptr_section_id_): New member.
8524         (section_has_function_pointers): New function.
8525         (set_section_has_function_pointers): New function.
8526         (check_section_for_function_pointers): New function.
8527         * options.h: Fix comment for safe ICF option.
8528         * target.h (can_check_for_function_pointers): New function.
8529         * testsuite/Makefile.am: Add icf_safe_so_test test case.
8530         Modify icf_safe_test for X86-64.
8531         * testsuite/Makefile.in: Regenerate.
8532         * testsuite/icf_safe_so_test.cc: New file.
8533         * testsuite/icf_safe_so_test.sh: New file.
8534         * testsuite/icf_safe_test.cc (kept_func_3): New function.
8535         (main): Change to take pointer to function kept_func_3.
8536         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
8537         folding is done correctly for X86-64.
8538
8539 2010-02-12  David S. Miller  <davem@davemloft.net>
8540
8541         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
8542         is_symbolless parameter.
8543         (Output_reloc<SHT_REL>::is_symbolless): New.
8544         (Output_reloc<SHT_REL>::is_symbolless_): New.
8545         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
8546         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
8547         (Output_reloc<SHT_RELA>::is_symbolless): New.
8548         (Output_data_reloc::add_global): Handle is_symbolless.
8549         (Output_data_reloc::add_global_relative): Likewise.
8550         (Output_data_reloc::add_local): Likewise.
8551         (Output_data_reloc::add_local_relative): Likewise.
8552         (Output_data_reloc::add_symbolless_global_addend): New.
8553         (Output_data_reloc::add_symbolless_local_addend): New.
8554         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
8555         is_symbolless.
8556         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
8557         instead of ->is_relative_
8558         (Output_reloc::write): Likewise.
8559         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
8560         (Output_reloc::write_rel): Simplify.
8561
8562         * sparc.cc (Target_sparc::Scan::local): Use
8563         ->add_symbolless_local_addend as needed.
8564         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
8565         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
8566         based upon relocation offset.
8567
8568 2010-02-11  Doug Kwan  <dougkwan@google.com>
8569
8570         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
8571         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
8572         beginning of function.
8573         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
8574         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
8575         parameter is_32bit in calls to should_apply_static_reloc.
8576         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
8577         (check_DATA): Add arm_abs_global.stdout.
8578         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
8579         arm_abs_global.stdout): New rules.
8580         (MOSTLLYCLEANFILES): Add arm_abs_global
8581         * Makefile.in: Regenerate.
8582         * testsuite/arm_abs_global.s: New file.
8583         * testsuite/arm_abs_global.sh: Ditto.
8584         * testsuite/arm_abs_lib.s: Ditto.
8585
8586 2010-02-11  Ian Lance Taylor  <iant@google.com>
8587
8588         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
8589         Read_relocs task.
8590         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
8591         Allocate_commons_task first.
8592         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
8593         task, rather than symtab_lock_.
8594         (Gc_process_relocs::~Gc_process_relocs): New function.
8595         (Gc_process_relocs::is_runnable): Check this_blocker_.
8596         (Gc_process_relocs::locks): Use next_blocker_ rather than
8597         blocker_.
8598         (Scan_relocs::~Scan_relocs): New function.
8599         (Scan_relocs::is_runnable): Check this_blocker_ rather than
8600         symtab_lock_.
8601         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
8602         next_blocker_.
8603         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
8604         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
8605         constructor accordingly.
8606         (class Gc_process_relocs): Likewise.
8607         (class Scan_relocs): Likewise.
8608         * common.h (class Allocate_commons_task): Remove symtab_lock_
8609         field, and corresponding constructor parameter.
8610         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
8611         symtab_lock_.
8612         (Allocate_commons_task::locks): Likewise.
8613
8614 2010-02-11  Ian Lance Taylor  <iant@google.com>
8615
8616         * gold-threads.h (class Once): Define.
8617         (class Initialize_lock): Rewrite as child of Once.
8618         * gold-threads.cc (class Once_initialize): Define.
8619         (once_pointer_control): New static variable.
8620         (once_pointer, once_arg): New static variables.
8621         (c_run_once): New static function.
8622         (Once::Once, Once::run_once, Once::internal_run): New functions.
8623         (class Initialize_lock_once): Remove.
8624         (initialize_lock_control): Remove.
8625         (initialize_lock_pointer): Remove.
8626         (initialize_lock_once): Remove.
8627         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
8628         (Initialize_lock::initialize): Rewrite.
8629         (Initialize_lock::do_run_once): New function.
8630         * archive.cc (Archive::interpret_header): Only clear name if it is
8631         not already empty.
8632         * fileread.cc: Include "gold-threads.h"
8633         (file_counts_lock): New static variable.
8634         (file_counts_initialize_lock): Likewise.
8635         (File_read::release): Only increment counts when using --stats.
8636         Use a lock around the increment.
8637         * parameters.cc (class Set_parameters_target_once): Define.
8638         (set_parameters_target_once): New static variable.
8639         (Parameters::Parameters): Move here from parameters.h.
8640         (Parameters::set_target): Rewrite.
8641         (Parameters::set_target_once): New function.
8642         (Parameters::clear_target): Move here and rewrite.
8643         * parameters.h (class Parameters): Update declarations.  Add
8644         set_parameters_target_once_ field.
8645         (Parameters::Parameters): Move to parameters.cc.
8646         (Parameters::clear_target): Likewise.
8647         * readsyms.cc (Read_symbols::do_group): Create a Start_group
8648         task.
8649         (Start_group::~Start_group): New function.
8650         (Start_group::is_runnable): New function.
8651         (Start_group::locks, Start_group::run): New functions.
8652         (Finish_group::run): Change saw_undefined to size_t.
8653         * readsyms.h (class Start_group): Define.
8654         (class Finish_group): Change saw_undefined_ field to size_t.
8655         (Finish_group::Finish_group): Remove saw_undefined and
8656         this_blocker parameters.  Change all callers.
8657         (Finish_group::set_saw_undefined): New function.
8658         (Finish_group::set_blocker): New function.
8659         * symtab.h (class Symbol_table): Change saw_undefined to return
8660         size_t.  Change saw_undefined_ field to size_t.
8661         * target-select.cc (Set_target_once::do_run_once): New function.
8662         (Target_selector::Target_selector): Initialize set_target_once_
8663         field.  Don't initialize lock_ and initialize_lock_ fields.
8664         (Target_selector::instantiate_target): Rewrite.
8665         (Target_selector::set_target): New function.
8666         * target-select.h (class Set_target_once): Define.
8667         (class Target_selector): Update declarations.  Make
8668         Set_target_once a friend.  Remove lock_ and initialize_lock_
8669         fields.  Add set_target_once_ field.
8670
8671 2010-02-10  Ian Lance Taylor  <iant@google.com>
8672
8673         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
8674         queueing any tasks.
8675         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
8676         (queue_middle_tasks): Add all blockers before queueing any tasks.
8677         (queue_final_tasks): Likewise.
8678         * token.h (Task_token::add_blockers): New function.
8679         * object.h (Input_objects::number_of_relobjs): New function.
8680
8681 2010-02-10  Ian Lance Taylor  <iant@google.com>
8682
8683         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
8684         shared, not if not position independent.
8685         * x86_64.cc (Relocate::relocate_tls): Likewise.
8686         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
8687         (tls_pie_pic_test): New target.
8688         * testsuite/Makefile.in: Rebuild.
8689
8690         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
8691         (tls_test_main_pie.o, tls_test_pie.o): New targets.
8692         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
8693         * testsuite/Makefile.in: Rebuild.
8694
8695 2010-02-09  David S. Miller  <davem@davemloft.net>
8696
8697         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
8698         R_SPARC_RELATIVE using ->add_local_relative().
8699         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
8700
8701         * output.h (Output_data_dynamic::add_section_size): New method
8702         that takes two Output_data objects.
8703         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
8704         entry param.  Handle it in initializers.
8705         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
8706         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
8707         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
8708         arg.
8709         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
8710         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
8711         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
8712         for dynrel_includes_plt.
8713         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8714         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8715         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
8716         before .rela.plt
8717         (Target_sparc::do_finalize_sections): Update to pass true for
8718         dynrel_includes_plt.
8719         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
8720         output before .rela.plt
8721         (Target_powerpc::do_finalize_sections): Update to pass true for
8722         dynrel_includes_plt when 32-bit.
8723
8724 2010-02-08  Doug Kwan  <dougkwan@google.com>
8725
8726         * arm.cc (Arm_relobj::simple_input_section_output_address): New
8727         method.
8728         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
8729         Arm_relobj::scan_section_for_cortex_a8_stubs,
8730         Arm_relobj::do_relocation_section): Instead of calling
8731         Output_section::output_address, use faster
8732         Arm_relobj::simple_input_section_output_address.
8733
8734 2010-02-08  David S. Miller  <davem@davemloft.net>
8735
8736         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
8737         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
8738         relocation helper function.
8739
8740         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
8741         just like R_SPARC_GOT{10,13,22}.
8742         (Target_sparc::Scan::local): Likewise.
8743         (Target_sparc::Relocate:relocate): Likewise.
8744
8745 2010-02-06  Ian Lance Taylor  <iant@google.com>
8746
8747         * configure.ac: Rewrite targetobjs duplicate removal code to use
8748         only shell constructs.
8749         * configure: Rebuild.
8750
8751 2010-02-05  Doug Kwan  <dougkwan@google.com>
8752
8753         PR 11247
8754         * arm.cc (Arm_relobj::section_is_scannable): New method.
8755         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
8756         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
8757
8758 2010-02-04  Doug Kwan  <dougkwan@google.com>
8759
8760         PR 11247
8761         * arm-reloc-property.cc (cstdio): Include.
8762         * configure.ac (targetobjs): Remove duplicates.
8763         * configure: Regenerate.
8764         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
8765         big and little endian version for a given address size.
8766
8767 2010-02-03  Doug Kwan  <dougkwan@google.com>
8768
8769         * arm-reloc-property.cc
8770         (Arm_reloc_property_table::reloc_name_in_error_message): New method
8771         definition.
8772         * arm-reloc-property.h
8773         (Arm_reloc_property_table::get_implemented_static_reloc_property):
8774         New method definition.
8775         (Arm_reloc_property_table::reloc_name_in_error_message): New method
8776         declaration.
8777         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
8778         overflow to N.
8779         (GOT_PREL): Change implemented to Y.
8780         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
8781         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
8782         (Arm_relocate_functions::movw_abs_nc): Remove method.
8783         (Arm_relocate_functions::movt_abs): Ditto.
8784         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
8785         (Arm_relocate_functions::thm_movt_abs): Ditto.
8786         (Arm_relocate_functions::movw_rel_nc): Ditto.
8787         (Arm_relocate_functions::movw_rel): Ditto.
8788         (Arm_relocate_functions::movt_rel): Ditto.
8789         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
8790         (Arm_relocate_functions:thm_movw_rel): Ditto.
8791         (Arm_relocate_functions:thm_movt_rel): Ditto.
8792         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
8793         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
8794         New method definitions.
8795         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
8796         (Arm_relocation_functions::arm_grp_ldr): Ditto.
8797         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
8798         (Arm_relocation_functions::arm_grp_ldc): Ditto.
8799         (Target_arm::Relocate::relocate): Check for non-static or
8800         unimplemented relocation code and exit early.  Change calls to
8801         Target_arm::reloc_uses_thumb_bit and
8802         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
8803         instead.  Refactor code to handle similar relocations to increase
8804         code sharing.  Remove check for unsupported relocation code in switch
8805         statement.
8806         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
8807         relocation property table to find out size.  Change error message to
8808         print out the name of a relocation code instead of the numeric value.
8809         (Target_arm::scan_reloc_for_stub): Use relocation property table
8810         instead of calling Target_arm::reloc_uses_thumb_bit().
8811
8812 2010-02-02  Doug Kwan  <dougkwan@google.com>
8813
8814         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
8815         types of relaxed input section.
8816
8817 2010-02-02  Doug Kwan  <dougkwan@google.com>
8818
8819         * Makefile.am (HFILES): Add arm-reloc-property.h.
8820         (DEFFILES): New.
8821         (TARGETSOURCES): Add arm-reloc-property.cc
8822         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
8823         (libgold_a_SOURCES): $(DEFFILES)
8824         * Makefile.in: Regenerate.
8825         * arm-reloc-property.cc: New file.
8826         * arm-reloc-property.h: New file.
8827         * arm-reloc.def: New file.
8828         * arm.cc: Update comments.
8829         (arm-reloc-property.h): New included header.
8830         (arm_reloc_property_table): New global variable.
8831         (Target_arm::do_select_as_default_target): New method definition.
8832         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
8833         arm-reloc-property to targ_extra_obj.
8834         * parameters.cc (set_parameters_target): Call
8835         Target::select_as_default_target().
8836         * target.h (Target::select_as_default_target): New method definition.
8837         (Target::do_select_as_default_target): Same.
8838
8839 2010-02-01  Doug Kwan  <dougkwan@google.com>
8840
8841         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
8842         first_output_text_section_.
8843         (Arm_exidx_fixup::first_output_text_section): New method definition.
8844         (Arm_exidx_fixup::first_output_text_section_): New data member.
8845         (Arm_exidx_fixup::process_exidx_section): Record the first text
8846         output section seen.
8847         (Arm_output_section::fix_exidx_coverage): Set correct linked section
8848         and entsize in output section header.
8849
8850 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8851
8852         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
8853         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
8854         (Arm_relocate_functions::thm_alu11): New Method.
8855         (Arm_relocate_functions::thm_pc8): New Method.
8856         (Arm_relocate_functions::thm_pc12): New Method.
8857         (Target_arm::Scan::local): Handle the relocations.
8858         (Target_arm::Scan::global): Likewise.
8859         (Target_arm::Relocate::relocate): Likewise.
8860         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8861
8862 2010-01-29  Doug Kwan  <dougkwan@google.com>
8863
8864         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
8865         of relocation types as ld.
8866
8867 2010-01-29  Doug Kwan  <dougkwan@google.com>
8868
8869         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
8870         to public.
8871         (Arm_relocate_functions::thumb_branch_common): Ditto.
8872         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
8873         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
8874         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
8875         Arm_relocate_functions::jump24): Remove.
8876         (Target_arm::Relocate::relocate): Adjust code to call
8877         Arm_relocation_functions::arm_branch_common and
8878         Arm_relocation_functions::thumb_branch_common instead of their removed
8879         wrappers.  Merge switch-cases together to reduce source code size.
8880
8881 2010-01-29  Doug Kwan  <dougkwan@google.com>
8882
8883         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
8884         output_local_symbol_count_needs_update_.
8885         (Arm_relobj::output_local_symbol_count_needs_update,
8886          Arm_relobj::set_output_local_symbol_count_needs_update,
8887          Arm_relobj::update_output_local_symbol_count): New methods.
8888         (Arm_relobj::output_local_symbol_count_needs_update_): New data
8889         member.
8890         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
8891         of pointed function as in a R_ARM_PREL31 relocation.
8892         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
8893         for output local symbol count updating.
8894         (Target_arm::do_relax): Update output local symbol counts in objects
8895         if necessary.
8896         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
8897
8898 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8899
8900         * arm.cc: Added support for the ARM relocations:
8901         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
8902         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
8903         (Arm_relocate_functions::movw_rel_nc): Renamed (was
8904         movw_prel_nc).
8905         (Arm_relocate_functions::movw_rel): New method.
8906         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
8907         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
8908         thm_movw_prel_nc).
8909         (Arm_relocate_functions::thm_movw_rel): New method.
8910         (Arm_relocate_functions::thm_movt_rel): Renamed (was
8911         thm_movt_prel).
8912         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
8913         relocations.
8914         (Target_arm::Scan::global): Likewise.
8915         (Target_arm::Relocate::relocate): Likewise.
8916         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8917         Likewise.
8918
8919 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8920
8921         * arm.cc: Added support for ARM group relocations.
8922         (Target_arm::reloc_needs_sym_origin): New method.
8923         (Arm_relocate_functions::calc_grp_kn): New method.
8924         (Arm_relocate_functions::calc_grp_residual): New method.
8925         (Arm_relocate_functions::calc_grp_gn): New method.
8926         (Arm_relocate_functions::arm_grp_alu): New Method.
8927         (Arm_relocate_functions::arm_grp_ldr): New Method.
8928         (Arm_relocate_functions::arm_grp_ldrs): New Method.
8929         (Arm_relocate_functions::arm_grp_ldc): New Method.
8930         (Target_arm::Scan::local): Handle the ARM group relocations.
8931         (Target_arm::Scan::global): Likewise.
8932         (Target_arm::Relocate::relocate): Likewise.
8933         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8934         Likewise.
8935
8936 2010-01-26  Doug Kwan  <dougkwan@google.com>
8937
8938         * arm.cc (set): Include.
8939         (class Arm_exidx_fixup): Change type of last_input_section_ to const
8940         pointer type.
8941         (Arm_output_section::Text_section_list): New type.
8942         (Arm_output_section::append_text_sections_to_list): New method.
8943         (Arm_output_section::fix_exidx_coverage): Ditto.
8944         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
8945         (Arm_relobj::convert_input_section_to_relaxed_section): Use
8946         Relobj::set_section_offset() instead of
8947         Sized_relobj::invalidate_section_offset().
8948         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
8949         parameter for section headers. Ignore relocation sections for
8950         unallocated sections and EXIDX sections.
8951         (Target_arm::fix_exidx_coverage): New method.
8952         (Target_arm::output_section_address_less_than): New type.
8953         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
8954         linked text section instead of the EXIDX section.
8955         (Arm_output_section::create_stub_group): Add an assertion to check
8956         that this is not an EXIDX output section.
8957         (Arm_output_section::append_text_sections_to_list): New method.
8958         (Arm_output_section::fix_exidx_coverage): Ditto.
8959         (Arm_relobj::scan_sections_for_stubs): Adjust call to
8960         Arm_relobj::section_needs_reloc_stub_scanning.
8961         (Target_arm::do_relax): Fix EXIDX output section coverage in the
8962         first pass.
8963         (Target_arm::fix_exidx_coverage): New method.
8964         * object.h (Relobj::set_output_section): New method.
8965         (Sized_relobj::invalidate_section_offset): Remove method.
8966         (Sized_relobj::do_invalidate_section_offset): Remove method.
8967         (Sized_relobj::do_set_section_offset): Handle offset value -1.
8968
8969 2010-01-25  Doug Kwan  <dougkwan@google.com>
8970
8971         * arm.cc (Arm_exidx_merged_section::do_output_offset):
8972         Fix warning due to signed and unsigned comparison on a 32-bit host.
8973
8974 2010-01-22  Doug Kwan  <dougkwan@google.com>
8975
8976         * arm.cc (Target_arm::do_relax): Record an output section for section
8977         offset adjustment it contains any stub table that has changed.
8978         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
8979         offsets in an output section if necessary.
8980         * output.cc (Output_section::Output_section): Initialize
8981         section_offsets_need_adjustments_.
8982         (Output_section::add_input_section_for_script): Renamed to
8983         Output_section::add_simple_input_section.
8984         (Output_section::save_states): Add a comment.
8985         (Output_section::discard_states): New method defintion.
8986         (Output_section::adjust_section_offsets): Same.
8987         * output.h (Output_section::add_input_section_for_script): Renamed to
8988         Output_section::add_simple_input_section.
8989         (Output_section::discard_states): New method declaration.
8990         (Output_section::adjust_section_offsets): Same.
8991         (Output_section::section_offsets_need_adjustment,
8992         Output_section::set_section_offsets_need_adjustment): New method
8993         definitions.
8994         (Output_section::section_offsets_need_adjustment_): New data member.
8995         * script-sections.cc
8996         (Output_section_element_input::set_section_address): Adjust code for
8997         renaming of Output_section::add_input_section_for_script.
8998         (Orphan_output_section::set_section_address): Same.
8999
9000 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9001
9002         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
9003         Fix_v4bx enum values .
9004         * gold/options.h (General_options): New option definitions.
9005         (General_options::fix_v4bx): New method.
9006         (General_options::Fix_v4bx): New enum.
9007         * gold/options.cc (General_options::parse_fix_v4bx): New method.
9008         (General_options::parse_fix_v4bx_interworking): New method.
9009
9010 2010-01-22  Doug Kwan  <dougkwan@google.com>
9011
9012         * arm.cc (Arm_exidx_fixup): New class.
9013
9014 2010-01-21  Doug Kwan  <dougkwan@google.com>
9015
9016         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
9017         classes.
9018         (Arm_exidx_section_offset_map): New type.
9019
9020 2010-01-21  Doug Kwan  <dougkwan@google.com>
9021
9022         * arm.cc (Arm_exidx_input_section): New class.
9023         (Arm_relobj::exidx_input_section_by_link,
9024         Arm_relobj::exidx_input_section_by_shndx,
9025         Arm_relobj::make_exidx_input_section): New methods.
9026         (read_arm_attributes_section): Remove.
9027         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
9028         information about them.
9029         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
9030         to here.
9031
9032 2010-01-20  Doug Kwan  <dougkwan@google.com>
9033
9034         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
9035         Input_section_specifier to Section_id.
9036         (Target_arm::new_arm_input_section: Adjust code for change of key
9037         type.
9038         (Target_arm::find_arm_input_section): Ditto.
9039         * gc.h (object.h): Include for Section_id nand Section_id_hash.
9040         (Section_id): Remove.
9041         (Garbage_collection::Section_id_hash): Remove.
9042         * icf.h (object.h): Include for Section_id nand Section_id_hash.
9043         (Section_id): Remove.
9044         (Icf::Section_id_hash): Remove.
9045         * object.h (Section_id, Const_section_id, Section_id_hash,
9046         Const_section_id_hash): New type definitions.
9047         * output.cc (Output_section::add_relaxed_input_section): Change to
9048         use Const_section_id instead of Input_section_specifier as key type.
9049         (Output_section::add_merge_input_section): Ditto.
9050         (Output_section::build_relaxation_map): Change to use Section_id
9051         instead of Input_section_specifier as key type.
9052         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
9053         Ditto.
9054         (Output_section::convert_input_sections_to_relaxed_sections): Change
9055         to use Const_section_id instead of Input_section_specifier as key type.
9056         (Output_section::find_merge_section): Ditto.
9057         (Output_section::find_relaxed_input_section): Ditto.
9058         * output.h (Input_section_specifier): Remove class.
9059         (Output_section::Output_section_data_by_input_section_map): Change
9060         key type to Const_section_id.
9061         (Output_section::Output_relaxed_input_section_by_input_section_map):
9062         Ditto.
9063         (Output_section::Relaxation_map): Change key type to Section_id.
9064
9065 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9066
9067         * gold/arm.cc: Added support for R_ARM_V4BX relocation
9068         (class Arm_v4bx_stub): New class.
9069         (DEF_STUBS): Updated definition to support v4_veneer_bx.
9070         (Stub_factory::make_arm_v4bx_stub): New method.
9071         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
9072         (Stub_table::empty): Handle v4bx stubs.
9073         (Stub_table::add_arm_v4bx_stub): New method.
9074         (Stub_table::find_arm_v4bx_stub): New method.
9075         (Arm_relocate_functions::v4bx): New method.
9076         (Target_arm::fix_v4bx): New method.
9077         (Target_arm::Target_arm): Handle R_ARM_V4BX.
9078         (Stub_table::relocate_stubs): Likewise.
9079         (Stub_table::do_write): Likewise.
9080         (Stub_table::update_data_size_and_addralign): Likewise.
9081         (Stub_table::finalize_stubs):  Likewise.
9082         (Target_arm::Scan::local): Likewise.
9083         (Target_arm::Scan::global): Likewise.
9084         (Target_arm::do_finalize_sections): Likewise.
9085         (Target_arm::Relocate::relocate): Likewise.
9086         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9087         Likewise.
9088         (Target_arm::scan_reloc_for_stub): Likewise.
9089         (Target_arm::scan_reloc_section_for_stubs): Likewise.
9090
9091 2010-01-19  Ian Lance Taylor  <iant@google.com>
9092
9093         * output.cc (Output_section_headers::do_sized_write): Write large
9094         segment count to sh_info field.
9095         (Output_file_header::do_sized_write): For large segment count,
9096         write PN_XNUM to e_phnum field.
9097
9098 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9099
9100         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
9101         (Arm_relocate_functions::thm_jump8): New function.
9102         (Arm_relocate_functions::thm_jump11): New function.
9103         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
9104         R_ARM_THM_JUMP11.
9105         (Target_arm::Scan::global): Likewise.
9106         (Target_arm::Relocate::relocate): Likewise.
9107         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9108         Likewise.
9109
9110 2010-01-14  Doug Kwan  <dougkwan@google.com>
9111
9112         * arm.cc (map, utility): Include headers.
9113         (Target_arm::apply_cortex_a8_workaround): New method.
9114         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
9115         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
9116         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
9117         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
9118         the --[no-]fix-cortex-a8 command line options.
9119         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
9120         (Target_arm::relocate_stub): Use addend in instruction template.
9121         * options.h (DEFINE_bool): Set the user-set flag.
9122         (General_options): Add --[no-]-fix-cortex options.
9123         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
9124         : Update fast look-up map after conversion.
9125
9126 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
9127
9128         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
9129         in the first pass of do_layout.
9130
9131 2010-01-13  Doug Kwan  <dougkwan@google.com>
9132
9133         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
9134         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
9135         apparent compiler problem of not folding static constant integral
9136         data members of elfcpp::Elf_sizes<32>.
9137
9138 2010-01-13  Doug Kwan  <dougkwan@google.com>
9139
9140         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
9141         Arm_relobj::section_needs_cortex_a8_stub_scanning,
9142         Arm_relobj::scan_section_for_cortex_a8_erratum,
9143         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
9144         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
9145         sections to scan for relocation stubs into a new method
9146         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
9147         relocation and Cortex-A8 stub scanning.
9148         (Target_arm::do_relax): Force stubs to be after stubbed sections
9149         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
9150         the beginning of a new relaxation pass.  Update a comment.
9151         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
9152
9153 2010-01-12  Ian Lance Taylor  <iant@google.com>
9154
9155         * target-reloc.h (visibility_error): New inline function.
9156         (relocate_section): Call visibility_error.
9157         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
9158         (MOSTLYCLEANFILES): Likewise.
9159         (protected_4_pic.o, protected_3.err): New targets.
9160         * testsuite/protected_4.cc: New file.
9161
9162 2010-01-12  Doug Kwan  <dougkwan@google.com>
9163
9164         * arm.cc (Cortex_a8_reloc): New class.
9165         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
9166         and cortex_a8_relocs_info_.
9167         (Target_arm::fix_cortex_a8): New method definition.
9168         (Target_arm::Cortex_a8_relocs_info): New type.
9169         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
9170         New data member declarations.
9171         (Target_arm::scan_reloc_for_stub): Record information about
9172         relocations for THUMB branches that might be exempted from the
9173         Cortex-A8 workaround.
9174         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
9175         at the beginning of a relaxation pass.
9176
9177 2010-01-12  Doug Kwan  <dougkwan@google.com>
9178
9179         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
9180         (Arm_relobj::Mapping_symbol_position,
9181          Arm_reloj::Mapping_symbol_position_less,
9182          Arm_relobj::Mapping_symbols_info): New types.
9183         (Target_arm::is_mapping_symbol_name): New method definition.
9184         (Arm_relobj::do_count_local_symbols): Save information about mapping
9185         symbols.
9186
9187 2010-01-11  Doug Kwan  <dougkwan@google.com>
9188
9189         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
9190         Arm_relocate_functions::thumb32_branch_upper,
9191         Arm_relocate_functions::thumb32_branch_lower,
9192         Arm_relocate_functions::thumb32_cond_branch_offset,
9193         Arm_relocate_functions::thumb32_cond_branch_upper,
9194         Arm_relocate_functions::thumb32_cond_branch_lower,
9195         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
9196         branch offset encoding.
9197         (Arm_relocate_functions::thumb_branch_common): Use new branch
9198         offset encoding methods to avoid code duplication.
9199         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
9200         (Stub_addend_reader::operator()): Use new branch encoding method
9201         to avoid code duplication.
9202
9203 2010-01-11  Doug Kwan  <dougkwan@google.com>
9204
9205         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
9206         (Target_arm::do_finalize_sections): Define special EXIDX section
9207         symbols only if referenced.
9208         * gc.h (Garbage_collection::add_reference): New method.
9209         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
9210         code duplication.
9211
9212 2010-01-11  Ian Lance Taylor  <iant@google.com>
9213
9214         * script.cc (Version_script_info::build_expression_list_lookup):
9215         Change complaing about duplicate wildcard match from error to
9216         warning.
9217
9218         * script.cc (class Lazy_demangler): Recreate--revert part of patch
9219         of 2009-12-30.
9220         (Version_script_info::Version_script_info): Initialize globs_,
9221         default_version_, default_is_global_, and exact_.  Don't
9222         initialize globals_ or locals_.
9223         (Version_script_info::build_lookup_tables): Build local symbols
9224         first.
9225         (Version_script_info::unquote): New function.
9226         (Version_script_info::add_exact_match): New function.
9227         (Version_script_info::build_expression_list_lookup): Remove lookup
9228         parameter.  Add is_global parameter.  Change all callers.  Handle
9229         wildcard pattern specially.  Unquote pattern.  Call
9230         add_exact_match.
9231         (Version_script_info::get_name_to_match): New function.
9232         (Version_script_info::get_symbol_version): New function.
9233         (Version_script_info::get_symbol_version_helper): Remove.
9234         (Version_script_info::check_unmatched_names): Call unquote.
9235         * script.h (class Version_script_info): Change get_symbol_version
9236         to be non-inline and add is_global parameter; change all callers.
9237         Rewrite symbol_is_local.  Update declarations.  Define struct
9238         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
9239         Remove globals_ and locals_ members.  Add exact_, globs_,
9240         default_version_, is_global_.
9241         (Version_script_info::Glob): Remove pattern, add expression and
9242         is_global.  Update constructor.  Change all callers.
9243         * dynobj.cc (Versions::finalize): Mark the version symbol as the
9244         default version.
9245         (Versions::symbol_section_contents): If a symbol is undefined, or
9246         defined in a dynamic object, set the version index to
9247         VER_NDX_LOCAL.
9248         * symtab.cc (Symbol_table::add_from_relobj): Don't call
9249         symbol_is_local.
9250         (Symbol_table::add_from_pluginobj): Likewise.
9251         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
9252
9253 2010-01-11  Doug Kwan  <dougkwan@google.com>
9254
9255         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
9256         (incremental_dump_LDADD): Add linking option for libintl.
9257         * Makefile.in: Regenerate.
9258
9259 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
9260
9261         PR gold/11144
9262         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
9263         instead of -Ds.
9264         * testsuite/Makefile.in: Regenerated.
9265
9266 2010-01-10  Doug Kwan  <dougkwan@google.com>
9267
9268         * options.h (DEFINE_var): Use parentheses around argument varname__
9269         in macro body to avoid any unintended subsequent substitutions.
9270
9271 2010-01-10  Ian Lance Taylor  <iant@google.com>
9272
9273         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
9274         candidates before doing symbol resolution.
9275
9276         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
9277         ODR candidates if only one is weak.
9278
9279 2010-01-08  Ian Lance Taylor  <iant@google.com>
9280
9281         * script.cc (Version_script_info::build_expression_list_lookup):
9282         Don't warn about ambiguous version, just record the ambiguity.
9283         (Version_script_info::get_symbol_version_helper): Give error if
9284         version is ambiguous.
9285
9286 2010-01-08  Doug Kwan  <dougkwan@google.com>
9287
9288         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
9289         prev_data_size_ and prev_addralign_.  Remove initializer for
9290         deleted data member has_been_changed_.
9291         (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
9292         to determine if the table is empty.
9293         (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
9294         Remove.
9295         (Stub_table::add_reloc_stub): Define method in class definition
9296         instead of just declaring it there.
9297         (Stub_table::add_cortex_a8_stub): New method definition.
9298         (Stub_table::update_data_size_and_addralign): Ditto.
9299         (Stub_table::finalize_stubs): Ditto.
9300         (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
9301         (Stub_table::do_addralign_): Return address alignment in the
9302         (Stub_table::do_reset_address_and_file_offset): Define method in
9303         class definition instead of declaring it there.  Set current data
9304         size to be the data size of the previous pass.
9305         (Stub_table::set_final_data_size): Use current data size as the
9306         final data size.
9307         (Stub_table::relocate_stub): Change parameter type of stub from
9308         Reloc_stub pointer to Stub pointer.
9309         (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
9310         (Stub_table::Cortex_a8_stub_list): New typedef.
9311         (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
9312          Stub_table::prev_addralign_): New data member.
9313         (Arm_relobj::Arm_relobj): Initialize data member
9314         section_has_cortex_a8_workaround_.
9315         (Arm_relobj::section_has_cortex_a8_workaround,
9316          Arm_relobj::mark_section_for_cortex_a8_workaround): New method
9317          definitions.
9318         (Arm_relobj::section_has_cortex_a8_workaround_): New data member
9319         declarations.
9320         (Target_arm::relocate_stub): Change parameter type of stub from
9321         Reloc_stub pointer to Stub pointer.
9322         (Insn_template::size, Insn_template::alignment): Handle
9323         THUMB16_SPECIAL_TYPE.
9324         (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
9325          Stub_table::update_data_size_and_addralign,
9326          Stub_table::apply_cortex_a8_workaround_to_address_range): New method
9327         definitions.
9328         (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
9329         (Stub_table::do_write): Ditto.
9330         (Target_arm::do_relax): Adjust code for changes in Stub_table.
9331
9332 2010-01-08  Ian Lance Taylor  <iant@google.com>
9333
9334         PR 11108
9335         * symtab.h (class Symbol): Remove fields is_target_special_ and
9336         has_plt_offset_.  Add field is_defined_in_discarded_section_.
9337         (Symbol::is_defined_in_discarded_section): New function.
9338         (Symbol::set_is_defined_in_discarded_section): New function.
9339         (Symbol::has_plt_offset): Rewrite.
9340         (Symbol::set_plt_offset): Verify that new offset is not -1U.
9341         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
9342         Don't initialize is_target_special_ or has_plt_offset_.
9343         Initialize is_defined_in_discarded_section_.
9344         (Symbol_table::add_from_relobj): If appropriate, set
9345         is_defined_in_discarded_section.
9346         * resolve.cc (Symbol::override_base_with_special): Don't test
9347         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
9348         * target-reloc.h (relocate_section): Do special handling for
9349         symbols defined in discarded sections for global symbols as well
9350         as local symbols.
9351
9352 2010-01-08  Ian Lance Taylor  <iant@google.com>
9353
9354         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
9355         the SHT_SYMTAB case.
9356
9357 2010-01-08  Ian Lance Taylor  <iant@google.com>
9358
9359         * object.cc (Sized_relobj::do_layout): Don't get confused if
9360         layout_eh_frame returns NULL.
9361
9362 2010-01-08  Ian Lance Taylor  <iant@google.com>
9363
9364         PR 11084
9365         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
9366         dynamic symbol table, use the normal symbol table.
9367         (Sized_dynobj::do_read_symbols): Remove assertion about type of
9368         symbol table.
9369
9370 2010-01-08  Ian Lance Taylor  <iant@google.com>
9371
9372         PR 11072
9373         * layout.cc (Layout::include_section): Remove .gnu_debuglink
9374         sections.
9375
9376 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
9377
9378         * version.cc (print_version): Change to "Copyright 2010".
9379
9380 2010-01-08  Ian Lance Taylor  <iant@google.com>
9381
9382         PR 10287
9383         PR 11063
9384         * i386.cc (class Target_i386): Change return type of plt_section
9385         to be non-const.
9386         (class Output_data_plt_i386): Add tls_desc_rel_ field.
9387         (Output_data_plt_i386::Output_data_plt_i386): Initialize
9388         tls_desc_rel_ field.
9389         (Output_data_plt_i386::rel_tls_desc): New function.
9390         (Target_i386::rel_tls_desc_section): New function.
9391         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
9392         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
9393         R_386_TLS_DESC reloc in rel_tls_desc_section.
9394         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
9395         Define struct Tlsdesc_info.
9396         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
9397         (Target_x86_64::do_reloc_symbol_index): New function.
9398         (Target_x86_64::add_tlsdesc_info): New function.
9399         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
9400         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
9401         tlsdesc_rel_ field.
9402         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
9403         all callers.
9404         (Output_data_plt_x86_64::rela_tlsdesc): New function.
9405         (Target_x86_64::rela_tlsdesc_section): New function.
9406         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
9407         handling.
9408         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
9409         (Target_x86_64::do_reloc_addend): New function.
9410         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
9411         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
9412         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
9413         (Output_reloc::type): New function.
9414         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
9415         (Output_reloc::is_target_specific): New function.
9416         (Output_reloc::target_arg): New function.
9417         (class Output_reloc) [SHT_RELA]: Add four new constructors for
9418         absolute relocs and target specific relocs.
9419         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
9420         add_target_specific.
9421         (class Output_data_reloc) [SHT_RELA]: Likewise.
9422         * output.cc (Output_reloc::Output_reloc): Add four new versions
9423         for absolute relocs and target specific relocs.
9424         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
9425         (Output_reloc::get_symbol_index): Likewise.
9426         (Output_reloc::local_section_offset): Check that local_sym_index_
9427         is not TARGET_CODE or 0.
9428         (Output_reloc::symbol_value): Likewise.
9429         (Output_reloc::write) [SHT_RELA]: Call target for target specific
9430         reloc.
9431         * target.h (class Target): Add reloc_symbol_index and reloc_addend
9432         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
9433         functions.
9434         * layout.cc (add_target_dynamic_tags): Use output section for
9435         DT_PLTRELSZ and DT_JMPREL.
9436
9437 2010-01-07  Ian Lance Taylor  <iant@google.com>
9438
9439         PR 11061
9440         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
9441         function.
9442         (class Output_data_reloc_generic): Define.
9443         (class Output_data_reloc_base): Change base class to
9444         Output_data_reloc_generic.  Change add() method to call
9445         bump_relative_reloc_count for a relative reloc.  Remove
9446         sort_relocs_ field.
9447         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
9448         to sort_relocs().
9449         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
9450         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
9451         appropriate.
9452         * layout.h (class Layout): Update declaration.
9453
9454 2010-01-07  Ian Lance Taylor  <iant@google.com>
9455
9456         * output.h (class Output_data): Add const version of
9457         output_section and do_output_section.
9458         (class Output_section_data): Add const version of
9459         do_output_section.
9460         (class Output_section): Likewise.
9461         * layout.cc (Layout::add_target_dynamic_tags): New function.
9462         * layout.h (class Layout): Update declarations.
9463         * arm.cc (Target_arm::do_finalize_sections): Use
9464         add_target_dynamic_tags.
9465         * i386.cc (Target_i386::do_finalize_sections): Likewise.
9466         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
9467         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
9468         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
9469
9470 2010-01-07  Ian Lance Taylor  <iant@google.com>
9471
9472         PR 11042
9473         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
9474         object as needed.
9475
9476 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
9477             Ian Lance Taylor  <iant@google.com>
9478
9479         PR 11019
9480         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
9481         Xindex::read_symtab_xindex.
9482
9483 2010-01-07  Doug Kwan  <dougkwan@google.com>
9484
9485         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
9486         (Insn_template::thumb16_bcond_insn): New method declaration.
9487         (Insn_template): Fix spelling.
9488         (Stub::thumb16_special): New method declaration.
9489         (Stub::do_write): Define virtual method which was previously pure
9490         virtual.
9491         (Stub::do_thumb16_special): New method declaration.
9492         (Stub::do_fixed_endian_write): New template member.
9493         (Reloc_stub::do_write): Remove.
9494         (Reloc_stub::do_fixed_endian_write): Remove.
9495         (Cortex_a8_stub): New class definition.
9496         (Stub_factory::make_cortex_a8_stub): New method definition.
9497         (Stub_factory::Stub_factory): Add missing static storage class
9498         qualifier for elf32_arm_stub_a8_veneer_blx.
9499
9500 2010-01-07  Ian Lance Taylor  <iant@google.com>
9501
9502         PR 10980
9503         * options.h (class General_options): Add --warn-unresolved-symbols
9504         and --error-unresolved-symbols.
9505         * errors.cc (Errors::undefined_symbol): Implement
9506         --warn-unresolved-symbols.
9507
9508         * options.h (class General_options): Add -z text and -z textoff.
9509         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
9510
9511 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
9512
9513         * gc.h (Garbage_collection::Cident_section_map): New typedef.
9514         (Garbage_collection::cident_sections): New function.
9515         (Garbage_collection::add_cident_section): New function.
9516         (Garbage_collection::cident_sections_): New member.
9517         (gc_process_relocs): Add references to sections whose names are C
9518         identifiers.
9519         * gold.h (cident_section_start_prefix): New constant.
9520         (cident_section_stop_prefix): New constant.
9521         (is_cident): New function.
9522         * layout.cc (Layout::define_section_symbols): Replace string constants
9523         with the newly defined constants.
9524         * object.cc (Sized_relobj::do_layout): Track sections whose names are
9525         C identifiers.
9526         * testsuite/Makefile.am: Add gc_orphan_section_test.
9527         * testsuite/Makefile.in: Regenerate.
9528         * testsuite/gc_orphan_section_test.cc: New file.
9529         * testsuite/gc_orphan_section_test.sh: New file.
9530
9531 2010-01-06  Ian Lance Taylor  <iant@google.com>
9532
9533         PR 10980
9534         * options.h (class General_options): Add --warn-shared-textrel.
9535         * layout.cc (Layout::finish_dynamic_section): Implement
9536         --warn-shared-textrel.
9537
9538         PR 10980
9539         * options.h (class General_options): Add --warn-multiple-gp.
9540
9541 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
9542
9543         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
9544         $(THREADSLIB) and $(LIBDL).
9545         * Makefile.in: Rebuild.
9546
9547 2010-01-06  Ian Lance Taylor  <iant@google.com>
9548
9549         PR 10980
9550         * options.cc (General_options::parse_section_start): New function.
9551         (General_options::section_start): New function.
9552         (General_options::General_options): Initialize all members.
9553         * options.h: Include <map>
9554         (class General_options): Add --section-start.  Add section_starts_
9555         member.
9556         * layout.cc (Layout::attach_allocated_section_to_segment): If
9557         --section-start was used, set the address of the segment.  Remove
9558         local sort_sections.
9559         (Layout::relaxation_loop_body): If the address of the load segment
9560         has been set by --section-start, don't use it.
9561         * output.h (Output_segment::update_flags_for_output_section): New
9562         function.
9563         * output.cc (Output_segment::add_output_section): Call
9564         update_flags_for_output_section.
9565
9566 2010-01-05  Ian Lance Taylor  <iant@google.com>
9567
9568         PR 10980
9569         * options.h (class General_options): Add --undefined-version.
9570         * script.cc (struct Version_expression): Add was_matched_by_symbol
9571         field.
9572         (Version_script_info::matched_symbol): New function.
9573         (Version_script_info::get_symbol_version_helper): Call
9574         matched_symbol.
9575         (Version_script_info::check_unmatched_names): New function.
9576         * script.h (class Version_script_info): Update declarations.
9577         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
9578
9579         * options.h (class General_options): Use DEFINE_bool_alias for
9580         allow_multiple_definition.
9581         * resolve.cc (Symbol_table::should_override): Don't test
9582         allow_multiple_definition.
9583
9584         PR 10980
9585         * options.h (class General_options): Add --cref.
9586         * main.cc (main): Print cref table if --cref.  Don't close mapfile
9587         until after printing cref table.
9588         * cref.cc: Include "symtab.h".
9589         (class Cref_inputs): Define Cref_table_compare and Cref_table.
9590         (Cref_table_compare::operator()): New function.
9591         (Cref_inputs::gather_cref): New function.
9592         (filecol): New static const.
9593         (Cref_inputs::print_cref): New function.
9594         (Cref::print_cref): New function.
9595         * cref.h: Include <cstdio>.
9596         (class Cref): Update declarations.
9597         * mapfile.h (Mapfile::file): New function.
9598         * object.h (class Object): Define Symbols.  Declare virtual
9599         do_get_global_symbols.
9600         (Object::get_global_symbols): New function.
9601         * object.cc (Input_objects::add_object): Pass object to cref_ if
9602         --cref.
9603         (Input_objects::archive_start): Likewise.
9604         (Input_objects::archive_stop): Likewise.
9605         (Input_objects::print_cref): New function.
9606         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
9607         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
9608         --cref.
9609         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
9610         function.
9611         * plugin.h (class Sized_pluginobj): Update declarations.
9612
9613 2010-01-05  Ian Lance Taylor  <iant@google.com>
9614
9615         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
9616         to is_default_version.  Rename insdef to insdefault.
9617         (Symbol_table::add_from_relobj): Rename def to is_default_version
9618         and local to is_forced_local.
9619         (Symbol_table::add_from_pluginobj): Likewise.
9620         (Symbol_table::add_from_dynobj): Likewise.
9621         (Symbol_table::define_special_symbol): Rename insdef to
9622         insdefault.
9623
9624 2010-01-04  Ian Lance Taylor  <iant@google.com>
9625
9626         PR 10980
9627         * options.h (class General_options): Add
9628         --allow-multiple-definition and -z muldefs.
9629         * resolve.cc (Symbol_table::should_override): Don't warn about a
9630         multiple symbol definition if --allow-multiple-definition or -z
9631         muldefs.
9632
9633         PR 10980
9634         * options.h (class General_options): Add --add-needed and
9635         --copy-dt-needed-entries.  Tweak --as-needed help entry.
9636         * object.cc (Input_objects::check_dynamic_dependencies): Give an
9637         error if --copy-dt-needed-entries aka --add-needed is used and
9638         would cause a change in behaviour.
9639
9640         PR 10980
9641         * options.h (class General_options): Add -G as a short version of
9642         --shared.  Add no-op options -assert, -g, and -i.
9643
9644 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
9645
9646         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
9647         check for .text or .gnu.linkonce.t sections.
9648         * icf.cc (Icf::find_identical_sections): Ditto.
9649         Change the detection for mangled function name within the section
9650         name.
9651         * icf.h (is_section_foldable_candidate): New function.
9652
9653 2009-12-30  Ian Lance Taylor  <iant@google.com>
9654
9655         PR 10980
9656         * options.h (class General_options): Permit two dashes with
9657         --retain-symbols-file.
9658
9659 2009-12-30  Ian Lance Taylor  <iant@google.com>
9660
9661         PR 10979
9662         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
9663         don't put the file header and segment headers in the text
9664         segment.
9665
9666         PR 10979
9667         * common.cc (Sort_commons::operator()): Stabilize sort when both
9668         entries are NULL.
9669         (Symbol_table::do_allocate_commons_list): When allocating common
9670         symbols, skip a symbol which is no longer common.
9671         * symtab.h (Symbol::is_common): Test whether the symbol comes from
9672         an object before checking its type.
9673         * testsuite/common_test_2.c: New file.
9674         * testsuite/common_test_3.c: New file.
9675         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
9676         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
9677         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
9678         (common_test_2_pic.o, common_test_2.so): New targets.
9679         (common_test_3_pic.o, common_test_3.so): New targets.
9680         * testsuite/Makefile.in: Rebuild.
9681
9682         PR 10979
9683         * script.cc (read_input_script): If we see a new SECTIONS clause,
9684         and we have added an input section, give an error.
9685         * layout.h (class Layout): Add have_added_input_section function.
9686         Add have_added_input_section_ field.
9687         * layout.cc (Layout::Layout): Initialize
9688         have_added_input_section_.
9689         (Layout::layout): Set have_added_input_section_.
9690         (Layout::layout_eh_frame): Likewise.
9691
9692 2009-12-30  Ian Lance Taylor  <iant@google.com>
9693
9694         PR 10931
9695         * options.h (class General_options): Add --sort-common option.
9696         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
9697         * common.cc (Sort_common): Add sort_order parameter to
9698         constructor.  Add sort_order_ field.
9699         (Sort_commons::operator): Check sort_order_.
9700         (Symbol_table::allocate_commons): Determine the sort order.
9701         (Symbol_table::do_allocate_commons): Add sort_order parameter.
9702         Change all callers.
9703         (Symbol_table::do_allocate_commons_list): Likewise.
9704
9705 2009-12-30  Ian Lance Taylor  <iant@google.com>
9706
9707         PR 10916
9708         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
9709         symbols from this object, don't change the visibility of an
9710         undefined symbol.
9711         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
9712
9713 2009-12-30  Ian Lance Taylor  <iant@google.com>
9714
9715         PR 10861
9716         * script.h (class Version_script_info): Define Language enum.
9717         Update declarations.  Define Glob, Exact, and Lookup types.  Add
9718         new fields globals_, locals_, and is_finalized_.
9719         * script.cc: Various formatting fixes.
9720         (class Parser_closure): Change language_stack_ from a vector of
9721         std::string to one of Version_script_info::Language.  Adjust all
9722         uses accordingly.
9723         (class Lazy_demangler): Remove.
9724         (struct Version_expression): Change language from std::string to
9725         Version_script_info::Language.
9726         (Version_script_info::Version_script_info): New function.
9727         (Version_script_info::~Version_script_info): Don't call clear.
9728         (Version_script_info::finalize): New function.
9729         (Version_script_info::build_lookup_tables): New function.
9730         (Version_script_info::build_expression_list_lookup): New
9731         function.
9732         (Version_script_info::get_symbol_version_helper): Rewrite to use
9733         lookup tables.
9734         (Version_script_info::print_expression_list): Adjust to use
9735         Version_script_info::Language.
9736         (script_push_lex_into_version_mode): Check that the version script
9737         has not been finalized.
9738         (version_script_push_lang): Change language string to
9739         Version_script_info::Language.
9740         * options.cc (Command_line::version_script): New function.
9741         * options.h (class General_options): Add finalize_dynamic_list
9742         function.  Change version_script from declaration to definition.
9743         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
9744         * testsuite/version_script.map: Remove duplicate def of foo.
9745         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
9746         version_script.map.
9747         * testsuite/Makefile.in: Rebuild.
9748
9749 2009-12-30  Ian Lance Taylor  <iant@google.com>
9750
9751         PR 10843
9752         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
9753         if the input symbol index is 0, make the output symbol index 0.
9754
9755 2009-12-30  Ian Lance Taylor  <iant@google.com>
9756
9757         PR 10670
9758         * options.h (class General_options): Add -x/--discard-all.
9759         * object.cc (Sized_relobj::do_count_local_symbols): Handle
9760         --discard-all.  If the local symbol needs a dynamic entry, check
9761         that before handling --discard-locals.
9762
9763 2009-12-30  Ian Lance Taylor  <iant@google.com>
9764
9765         PR 10450
9766         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
9767         flags to PF_R.
9768         (Output_segment::add_output_section): Don't change the flags if
9769         the type is PT_TLS.
9770
9771         PR 10450
9772         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
9773         GNU hash table if they need a dynamic value.  Otherwise, don't add
9774         them if they are defined in a dynamic object or are forced local.
9775
9776 2009-12-29  Ian Lance Taylor  <iant@google.com>
9777
9778         PR 10450
9779         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
9780         .gnu.hash table for a 32-bit target.
9781
9782         PR 10450
9783         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
9784         regular and a dynamic object only needs a dynamic symbol table
9785         entry if it is externally visible.
9786
9787         PR 10450
9788         * i386.cc (class Target_i386): Initialize global_offset_table_ in
9789         constructor.  Add global_offset_table_ field.
9790         (Target_i386::got_section): Set global_offset_table_.
9791         (Target_i386::do_finalize_sections): Set global_offset_table_
9792         size.
9793         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
9794         in constructor.  Add global_offset_table_ field.
9795         (Target_x86_64::got_section): Set global_offset_table_.
9796         (Target_x86_64::do_finalize_sections): Set global_offset_table_
9797         size.
9798
9799         * layout.cc (Layout::Layout): Initialize increase_relro_.
9800         (Layout::get_output_section): Add is_relro, is_last_relro, and
9801         is_first_non_relro parameters.  Change all callers.
9802         (Layout::choose_output_section): Likewise.
9803         (Layout::add_output_section_data): Likewise.
9804         (Layout::make_output_section): Likewise.
9805         (Layout::set_segment_offsets): Clear increase_relro when using a
9806         linker script.
9807         * layout.h (class Layout): Add increase_relro method.  Add
9808         increase_relro_ field.  Update declarations.
9809         * output.cc (Output_section::Output_section): Initialize
9810         is_last_relro_ and is_first_non_relro_.
9811         (Output_segment::add_output_section): Group relro sections is
9812         do_sort is true.  Handle is_last_relro and is_first_non_relro.
9813         (Output_segment::maximum_alignment): Remove relro handling.
9814         (Output_segment::set_section_addresses): Add increase_relro
9815         parameter.  Change all callers.  Add initial alignment to align
9816         relro sections on separate page.  Remove old relro handling.
9817         (Output_segment::set_section_list_addresses): Remove in_relro
9818         parameter.  Change all callers.
9819         (Output_segment::set_offset): Add increase parameter.  Change all
9820         callers.  Remove old relro handling.
9821         * output.h (class Output_section): Add new methods: is_last_relro,
9822         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
9823         Add is_last_relro_ and is_first_non_relro_ fields.
9824         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
9825         Create separate .got.plt section.  Call increase_relro.
9826         * x86_64.cc (Target_x86_64::got_section): Likewise.
9827         * testsuite/relro_script_test.t: Add .got.plt.
9828
9829         PR 10450
9830         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
9831         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
9832         (Layout::finalize): Call set_dynamic_symbol_size.
9833         (Layout::set_dynamic_symbol_size): New function.
9834         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
9835         set_dynamic_symbol_size.
9836
9837         PR 10450
9838         * output.h (class Output_section): Add is_entsize_zero_ field.
9839         * output.cc (Output_section::Output_section): Initialize
9840         is_entsize_zero_.
9841         (Output_section::set_entsize): If two different entsizes are
9842         requested, force it to zero.
9843         (Output_section::add_input_section): Set flags for .debug_str
9844         before updating section flags.  Set entsize.
9845         (Output_section::update_flags_for_input_section): Set SHF_MERGE
9846         and SHF_STRING if all input sections have those flags.
9847
9848 2009-12-29   Rafael Espindola  <espindola@google.com>
9849
9850         * main.cc (main): Fix the sys time reporting.
9851         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
9852         reporting.
9853
9854 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
9855
9856         * options.cc (General_options::parse_version): Allow -v to exit
9857         without an error if there is nothing to link.
9858
9859 2009-12-29  Ian Lance Taylor  <iant@google.com>
9860
9861         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
9862         using a version of gcc before 4.1.
9863         * configure: Rebuild.
9864
9865 2009-12-28  Chris Demetriou  <cgd@google.com>
9866
9867         * attributes.cc (Output_attributes_section_data::do_write): Use
9868         std::vector::front rather than std::vector::data.
9869
9870 2009-12-28  Ian Lance Taylor  <iant@google.com>
9871
9872         * symtab.h (class Symbol_table): Add enum Defined.
9873         * resolve.cc (Symbol_table::should_override): Add defined
9874         parameter.  Change all callers.  Test whether object is NULL
9875         before calling a method on it.
9876         (Symbol_table::report_resolve_problem): Add defined parameter.
9877         Change all callers.
9878         (Symbol_table::should_override_with_special): Likewise.
9879         * symtab.cc (Symbol_table::define_in_output_data): Add defined
9880         parameter.  Change all callers.
9881         (Symbol_table::do_define_in_output_data): Likewise.
9882         (Symbol_table::define_in_output_segment): Likewise.
9883         (Symbol_table::do_define_in_output_segment): Likewise.
9884         (Symbol_table::define_as_constant): Likewise.
9885         (Symbol_table::do_define_as_constant): Likewise.
9886         * script.h (class Symbol_assignment): Add is_defsym parameter to
9887         constructor; change all callers.
9888         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
9889         parameter.  Change all callers.  Add is_defsym_ field.
9890         (class Parser_closure): Add parsing_defsym parameter to
9891         constructor; change all callers.  Add parsing_defsym accessor
9892         function.  Add parsing_defsym_ field.
9893
9894 2009-12-28  Ian Lance Taylor  <iant@google.com>
9895
9896         * gold.cc (queue_middle_tasks): Fix formatting.
9897         * object.cc (Relobj::is_section_name_included): Likewise.
9898
9899 2009-12-23  Ian Lance Taylor  <iant@google.com>
9900
9901         * i386.cc (Target_i386::do_calls_non_split): Recognize
9902         -fsplit-stack prologue for a function with a static chain.
9903         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
9904         -fsplit-stack prologue when using %r11.
9905
9906 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
9907
9908         * options.cc (General_options::parse_version): Make -v continue and do
9909         the link like GNU ld does.
9910
9911 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
9912
9913         * Makefile.am (CCFILES): Add timer.cc.
9914         (HFILES): Add timer.h.
9915         * configure.ac: Check for sysconf and times.
9916         * main.cc: include timer.h.
9917         (main): Use Timer instead of get_run_time.
9918         * timer.cc: New.
9919         * timer.h: New.
9920         * workqueue.cc: include timer.h.
9921         (Workqueue::find_and_run_task):
9922         Report user, sys and wall time.
9923         * Makefile.in: Regenerate.
9924         * config.in: Regenerate.
9925         * configure: Regenerate.
9926
9927 2009-12-16  Doug Kwan  <dougkwan@google.com>
9928
9929         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
9930         sections.
9931         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
9932         relaxed input sections.
9933         * output.cc (Output_section::find_relaxed_input_section): Change
9934         return type to Output_relaxed_input_section pointer.  Adjust code
9935         for new type of relaxed_input_section_map_.
9936         * output.h (Output_section::find_relaxed_input_section): Change
9937         return type to Output_relaxed_input_section pointer.
9938         (Output_section::Output_relaxed_input_section_by_input_section_map):
9939         New type.
9940         (Output_section::relaxed_input_section_map_): Change type to
9941         Output_section::Output_relaxed_input_section_by_input_section_map.
9942         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
9943         input section.
9944
9945 2009-12-15  Ian Lance Taylor  <iant@google.com>
9946
9947         * layout.cc (Layout::create_shstrtab): Only write out after input
9948         sections if we are compressing debug sections.
9949
9950 2009-12-15  Ian Lance Taylor  <iant@google.com>
9951
9952         * archive.cc (Archive::add_symbols): Only look up a symbol without
9953         a version if there is, in fact, a version.
9954
9955 2009-12-14  Ian Lance Taylor  <iant@google.com>
9956
9957         Revert -Wshadow changes, all changes from:
9958         2009-12-11  Doug Kwan  <dougkwan@google.com>
9959         2009-12-11  Nick Clifton  <nickc@redhat.com>
9960         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
9961
9962 2009-12-11  Doug Kwan  <dougkwan@google.com>
9963
9964         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
9965         due to -Wshadow.
9966         * attributes.cc (Object_attribute::size): Ditto.
9967         (Attributes_section_data::size): Ditto.
9968         (Attributes_section_data::Attributes_section_data): Ditto.
9969         (Output_attributes_section_data::do_write): Ditto.
9970         * attributes.h (Object_attribute::set_type): Ditto.
9971         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
9972
9973 2009-12-11  Nick Clifton  <nickc@redhat.com>
9974
9975         * archive.cc: Fix shadowed variable warnings.
9976         * arm.cc: Likewise.
9977         * compressed_output.cc: Likewise.
9978         * compressed_output.h: Likewise.
9979         * configure: Likewise.
9980         * dwarf_reader.cc: Likewise.
9981         * dynobj.cc: Likewise.
9982         * dynobj.h: Likewise.
9983         * ehframe.cc: Likewise.
9984         * ehframe.h: Likewise.
9985         * errors.cc: Likewise.
9986         * expression.cc: Likewise.
9987         * fileread.cc: Likewise.
9988         * fileread.h: Likewise.
9989         * freebsd.h: Likewise.
9990         * i386.cc: Likewise.
9991         * icf.cc: Likewise.
9992         * incremental.h: Likewise.
9993         * layout.cc: Likewise.
9994         * layout.h: Likewise.
9995         * mapfile.cc: Likewise.
9996         * merge.cc: Likewise.
9997         * merge.h: Likewise.
9998         * object.cc: Likewise.
9999         * object.h: Likewise.
10000         * options.h: Likewise.
10001         * output.cc: Likewise.
10002         * output.h: Likewise.
10003         * parameters.cc: Likewise.
10004         * plugin.cc: Likewise.
10005         * powerpc.cc: Likewise.
10006         * reduced_debug_output.cc: Likewise.
10007         * reduced_debug_output.h: Likewise.
10008         * reloc.cc: Likewise.
10009         * reloc.h: Likewise.
10010         * resolve.cc: Likewise.
10011         * script-sections.cc: Likewise.
10012         * script.cc: Likewise.
10013         * script.h: Likewise.
10014         * sparc.cc: Likewise.
10015         * symtab.cc: Likewise.
10016         * symtab.h: Likewise.
10017         * target-select.cc: Likewise.
10018         * target-select.h: Likewise.
10019         * token.h: Likewise.
10020         * workqueue.cc: Likewise.
10021         * workqueue.h: Likewise.
10022         * x86_64.cc: Likewise.
10023
10024 2009-12-10  Doug Kwan  <dougkwan@google.com>
10025
10026         * arm.cc (attributes.h): New include.
10027         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
10028         (Arm_relobj::~Arm_relobj): Delete object pointed by
10029         attributes_section_data_.
10030         (Arm_relobj::attributes_section_data): New method definition.
10031         (Arm_relobj::attributes_section_data_): New data member declaration.
10032         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
10033         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
10034         attributes_section_data_.
10035         (Arm_dynobj::attributes_section_data): New method definition.
10036         (Arm_dynobj::attributes_section_data_): New data member declaration.
10037         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
10038         initialization value of may_use_blx_ to false.
10039         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
10040         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
10041         object attributes to compute results instead of hard-coding.
10042         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
10043         Target_arm::get_secondary_compatible_arch,
10044         Target_arm::set_secondary_compatible_arch
10045         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
10046         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
10047         New method declarations.
10048         (Target_arm::get_aeabi_object_attribute): New method definition.
10049         (Target_arm::attributes_section_data_): New data member declaration.
10050         (read_arm_attributes_section): New template definition.
10051         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
10052         (Arm_dynobj::do_read_symbols): Ditto.
10053         (Target_arm::do_finalize_sections): Merge attributes sections from
10054         input.  Check for BLX use after attributes section merging.
10055         Fix __exidx_start and __exidx_end visibility.  Create an
10056         .ARM.attributes section if necessary.
10057         (Target_arm::get_secondary_compatible_arch,
10058         Target_arm::set_secondary_compatible_arch,
10059         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
10060         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
10061         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
10062         New method definitions.
10063
10064 2009-12-09  Ian Lance Taylor  <iant@google.com>
10065
10066         * plugin.cc (Plugin::load): Don't cast from void* to a function
10067         pointer.
10068
10069 2009-12-09  Ian Lance Taylor  <iant@google.com>
10070
10071         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
10072         information fields.
10073
10074 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
10075
10076         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
10077         Replace two_file_shared_1.so with two_file_shared_2.so.
10078         * testsuite/Makefile.in: Regenerated.
10079
10080 2009-12-08  Doug Kwan  <dougkwan@google.com>
10081
10082         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
10083         (HFILES): Add attributes.h and int_encoding.h.
10084         * Makefile.in: Regenerate.
10085         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
10086         function definitions to int_encoding.cc
10087         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
10088         prototypes to int_encoding.h
10089         * reduced_debug_output.cc (int_encoding.h): New include.
10090         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
10091         function definitions to int_encoding.cc
10092         (insert_into_vector, read_from_pointer): Move template definitions to
10093         int_encoding.h
10094         * attributes.cc: New file.
10095         * attributes.h: New file.
10096         * int_encoding.cc: New file.
10097         * int_encoding.h: New file.
10098
10099 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
10100
10101         PR gold/11055
10102         * incremental-dump.cc (dump_incremental_inputs): New.
10103         (main): Use dump_incremental_inputs.
10104
10105 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
10106
10107         PR gold/10893
10108         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
10109         checking elfcpp::STT_FUNC.
10110         (Target_i386::Relocate::relocate): Likewise.
10111         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
10112
10113         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
10114         symbols from shared libraries into normal FUNC symbols.
10115
10116         * symtab.h (Symbol): Add is_func and use it.
10117
10118 2009-12-05  Doug Kwan  <dougkwan@google.com>
10119
10120         * arm.cc (Target_arm::arm_info): Initialize new fields
10121         attributes_section and attributes_vendor.
10122         * i386.cc (Target_i386::i386_info): Same.
10123         * object.cc (Sized_relobj::do_layout): Skip attribute section.
10124         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
10125         fields attributes_section and attributes_vendor.
10126         * sparc.cc (Target_sparc::sparc_info): Same.
10127         * target.h (Target::attributes_section, Target::attributes_vendor,
10128         Target::is_attributes_section, Target::attribute_arg_type,
10129         Target::attributes_order): New method definitions.
10130         (Target::Target_info::attributes_section,
10131         Target::Target_info::attributes_vendor): New fields.
10132         (Target::do_attribute_arg_type, Target::do_attributes_order): New
10133         virtual method definitions.
10134         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
10135         attributes_section and attributes_vendor.
10136         * testsuite/testfile.cc (Target_test::test_target_info): Same.
10137
10138 2009-12-05  Doug Kwan  <dougkwan@google.com>
10139
10140         * arm.cc: Update comments about interworking and stub generation.
10141         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
10142         considered as non-PIC.
10143         (Arm_relocate_functions::base_abs): Fix formatting.
10144         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
10145         of function to use GOT entry address instead of offset.
10146         (Target_arm::Scan::global): Issue an error if a symbol would need a
10147         PLT does not get one because it is untyped.  Remove code to create
10148         dynamic symbols for relative branches.
10149         (Target_arm::Relocate::relocate: Use 0 instead of false since function
10150         takes unsigned integer instead of boolean.
10151
10152 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
10153
10154         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
10155         (two_file_test_LDADD): Likewise.
10156         (common_test_1_LDADD): Likewise.
10157         (exception_test_LDADD) Likewise.
10158         (weak_test_LDADD): Likewise.
10159         (many_sections_test_LDADD): Likewise.
10160         (initpri1_LDADD): Likewise.
10161         (script_test_1_LDADD): Likewise.
10162         (script_test_2_LDADD): Likewise.
10163         (justsyms_LDADD): Likewise.
10164         (binary_test_LDADD): Likewise.
10165         (large_LDADD): Likewise.
10166         * testsuite/Makefile.in: Regenerated.
10167
10168 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
10169
10170         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
10171         (Symbol_table::override_with_special): Likewise.
10172         (Symbol_table::add_from_object): Likewise.
10173
10174 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
10175
10176         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
10177         Don't set the data_offset twice.
10178
10179 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
10180
10181         * testsuite/Makefile.in: Regenerate.
10182
10183 2009-12-03  Doug Kwan  <dougkwan@google.com>
10184
10185         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
10186         (Target_arm::do_finalize_sections): Add parameter for symbol table
10187         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
10188         * i386.cc (Target_i386::do_finalize_sections): Add an additional
10189         parameter for symbol table pointer.
10190         * layout.cc (Layout::finalize): Call Target::finalize_sections with
10191         an additional parameter for a pointer to symbol table.
10192         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
10193         parameter for a symbol table pointer.
10194         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
10195         * target.h (Target::finalize_sections, Target::do_finalize_sections):
10196         Ditto.
10197         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
10198         parameter for a symbol table pointer.
10199
10200 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
10201
10202         * incremental.cc (Incremental_inputs_header)
10203         (Incremental_inputs_header_write, Incremental_inputs_entry)
10204         (Incremental_inputs_entry_write): Move ...
10205         * incremental.h (Incremental_inputs_header)
10206         (Incremental_inputs_header_write, Incremental_inputs_entry)
10207         (Incremental_inputs_entry_write): here.
10208
10209 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
10210
10211         * incremental.cc (make_sized_incremental_binary): Set the target.
10212         Error if it is incompatible.
10213         * output.h (Output_file): Add filename method.
10214
10215 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
10216
10217         * incremental.cc (Incremental_inputs_entry): Remove unused argument
10218         from the get_* methods.
10219
10220 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
10221
10222         * incremental-dump.cc (main): Check that the offeset of a script is 0.
10223         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
10224         Write 0 for the data_offset of scripts.
10225
10226 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
10227
10228         * testsuite/Makefile.am: Add the incremental_test.sh test.
10229         * testsuite/incremental_test.sh: New.
10230         * testsuite/incremental_test_1.c: New.
10231         * testsuite/incremental_test_2.c: New.
10232
10233 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
10234
10235         * incremental-dump.cc (main): Fix typos.
10236
10237 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
10238
10239         PR gold/11025
10240         * incremental-dump.cc (main): Use llu to print 64 bit values.
10241
10242 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
10243             H.J. Lu  <hongjiu.lu@intel.com>
10244
10245         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
10246         $(LIBDL).
10247         (incremental_dump_LDADD): Likewise.
10248         * Makefile.in: Regenerated.
10249
10250 2009-11-25  Doug Kwan  <dougkwan@google.com>
10251
10252         Revert:
10253
10254         2009-11-25  Doug Kwan  <dougkwan@google.com>
10255
10256                 * arm.cc (Target_arm::Target_arm): Move method definition
10257                 outside of class definition.  Add code to handle
10258                 --target1-rel, --target1-abs and --target2= options.
10259                 (Target_arm::get_reloc_reloc_type): Change method to be
10260                 non-static and const.
10261                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
10262                 New data member declaration.
10263                 (Target_arm::Scan::local, Target_arm::Scan::global,
10264                 Target_arm::Relocate::relocate,
10265                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
10266                 Adjust call to Target_arm::get_real_reloc_type.
10267                 (Target_arm::get_real_reloc_type): Use command line options
10268                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
10269                 * options.h (--target1-rel, --target1-abs, --target2): New
10270                 ARM-only options.
10271
10272 2009-11-25  Doug Kwan  <dougkwan@google.com>
10273
10274         * arm.cc (Target_arm::Target_arm): Move method definition outside of
10275         class definition.  Add code to handle --target1-rel, --target1-abs
10276         and --target2= options.
10277         (Target_arm::get_reloc_reloc_type): Change method to be non-static
10278         and const.
10279         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
10280         member declaration.
10281         (Target_arm::Scan::local, Target_arm::Scan::global,
10282         Target_arm::Relocate::relocate,
10283         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
10284         call to Target_arm::get_real_reloc_type.
10285         (Target_arm::get_real_reloc_type): Use command line options to
10286         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
10287         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
10288         options.
10289
10290 2009-11-25  Doug Kwan  <dougkwan@google.com>
10291
10292         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
10293         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
10294         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
10295         formatting.
10296         (Arm_relocate_functions::thm_call): Replace body with a call to
10297         Arm_relocate_functions::thumb_branch_common.
10298         (Arm_relocate_functions::thm_jump24,
10299         Arm_relocate_functions::thm_xpc22): New method definitions.
10300         (Arm_relocate_functions::thumb_branch_common): New method definition.
10301         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
10302         operator.
10303         (Target_arm::Relocate::relocate): Adjust call to thm_call.
10304         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
10305
10306 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
10307
10308         * Makefile.am: Build incremental-dump
10309         * Makefile.in: Regenerate.
10310         * incremental-dump.cc: New.
10311         * incremental.cc (Incremental_inputs_header_data,
10312         Incremental_inputs_entry_data): Move to incremental.h
10313         * incremental.h: (Incremental_inputs_header_data,
10314         Incremental_inputs_entry_data): Move from incremental.cc
10315
10316 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
10317
10318         * incremental.cc (Incremental_inputs_header,
10319         Incremental_inputs_header_write, Incremental_inputs_entry,
10320         Incremental_inputs_entry_write): Add a typedef with the data type.
10321
10322 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
10323
10324         * incremental.cc (Incremental_inputs_header,
10325         Incremental_inputs_header_write, Incremental_inputs_entry,
10326         Incremental_inputs_entry_write): Update comment about which
10327         type has the filed descriptions.
10328
10329 2009-11-15  Doug Kwan  <dougkwan@google.com>
10330
10331         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
10332         (Arm_relocate_functions::arm_branch_common): Change method defintion
10333         in class definition to a method declaration and update list of formal
10334         parameters.
10335         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
10336         Arm_relocation_functions::jump24): Adjust call to
10337         Arm_relocate_functions::arm_branch_common.  Update list of formal
10338         parameters.
10339         (Arm_relocate_functions::xpc25): New method definition.
10340         (Arm_relocate_functions::arm_branch_common): Move method defintion
10341         out from class definition.  Use stubs for mode-switching and extending
10342         branch ranges.
10343         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
10344         specially.  Change code to enable use of stubs in ARM branches.
10345
10346 2009-11-10  Doug Kwan  <dougkwan@google.com>
10347
10348         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
10349         in method declaration.
10350         (Target_arm::relocate_stub): New method declaration.
10351         (Target_arm::default_target): Change to return a pointer instead of
10352         a const reference.
10353         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
10354         Target_arm::default_target.
10355         (Arm_Relobj::do_relocate_sections): Remove options paramater in
10356         method definition.
10357         (Target_arm::relocate_section): Adjust view.
10358         (Target_arm::relocate_stub): New method definition.
10359
10360 2009-11-10  Doug Kwan  <dougkwan@google.com>
10361
10362         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
10363         a format warning.
10364         * incremental.cc (open_incremental_binary): Initialized local
10365         variables to avoid warnings.
10366         * object.cc (make_elf_object): Ditto.
10367         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
10368         a format warning.
10369
10370 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
10371
10372         PR gold/10930
10373         * testsuite/plugin_test.c: Include "config.h".
10374
10375 2009-11-09  Doug Kwan  <dougkwan@google.com>
10376
10377         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
10378         (arm_symbol_value): Remove.
10379         (Arm_relocate_functions::arm_branch_common,
10380         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
10381         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
10382         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
10383         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
10384         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
10385         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
10386         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
10387         Arm_relocate_functions::thm_mobw_abs_nc,
10388         Arm_relocate_functions::thm_mov_abs,
10389         Arm_relocate_functions::movw_prel_nc,
10390         Arm_relocate_functions::thm_movt_abs,
10391         Arm_relocate_functions::movt_prel,
10392         Arm_relocate_functions::thm_movw_prel_nc,
10393         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
10394         (Target_arm::Relocate::relocate): Only decompose address into two
10395         parts if relocation type uses the thumb-bit and pass the actual
10396         bit instead of a flag indicating that the thumb-bit is used.  Adjust
10397         calls to methods in Arm_relocate_functions for this change.
10398
10399 2009-11-08  Ian Lance Taylor  <iant@google.com>
10400
10401         PR 10925
10402         * reloc.cc: Instantiate
10403         Sized_relobj::initialize_input_to_output_maps and
10404         Sized_relobj:free_input_to_output_maps.
10405
10406 2009-11-06  Ian Lance Taylor  <iant@google.com>
10407
10408         PR 10876
10409         * defstd.cc (in_segment): Set only_if_ref true for "end".
10410
10411 2009-11-06  Doug Kwan  <dougkwan@google.com>
10412
10413         * arm.cc (class Reloc_stub): Correct a comment.
10414         (Target_arm::Target_arm): Initialize arm_input_section_map_.
10415         (Target_arm::scan_section_for_stubs): New method declaration.
10416         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
10417         Change methods from private to protected.
10418         (Target_arm::do_may_relax): New method definition.
10419         (Target_arm::do_relax, Target_arm::group_sections,
10420         Target_arm::scan_reloc_for_stub,
10421         Target_arm::scan_reloc_section_for_stubs): New method declarations.
10422         (Target_arm::arm_input_section_map_): New data member declaration.
10423         (Target_arm::scan_reloc_for_stub,
10424         Target_arm::scan_reloc_section_for_stubs,
10425         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
10426         Target_arm::do_relax): New method definitions.
10427
10428 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
10429
10430         * configure.ac: Check for (struct stat)::st_mtim
10431         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
10432         * config.in: Regenerate.
10433         * configure: Regenerate.
10434
10435 2009-11-05  Ian Lance Taylor  <iant@google.com>
10436
10437         PR 10910
10438         * output.cc (Output_segment::add_output_section): Add missing
10439         return statement.
10440
10441 2009-11-04  Ian Lance Taylor  <iant@google.com>
10442
10443         PR 10880
10444         * object.h (class Object): Add is_needed and set_is_needed
10445         methods.  Add is_needed_ field.  Make bool fields into bitfields.
10446         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
10447         defined in a dynamic object and referenced by a regular object,
10448         set is_needed for the dynamic object.
10449         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
10450         if the file is marked with as_needed and it is not needed.
10451
10452 2009-11-04  Ian Lance Taylor  <iant@google.com>
10453
10454         PR 10887
10455         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
10456         tags if data is discarded by linker script.
10457         * i386.cc (Target_i386::do_finalize_sections): Likewise.
10458         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
10459         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
10460         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
10461
10462 2009-11-04  Ian Lance Taylor  <iant@google.com>
10463
10464         * layout.cc (Layout::get_output_section): Add is_interp and
10465         is_dynamic_linker_section parameters.  Change all callers.
10466         (Layout::choose_output_section): Likewise.
10467         (Layout::make_output_section): Likewise.
10468         (Layout::add_output_section_data): Add is_dynamic_linker_section
10469         parameter.  Change all callers.
10470         * layout.h (class Layout): Update declarations.
10471         * output.h (class Output_section): Add is_interp, set_is_interp,
10472         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
10473         Add is_interp_, is_dynamic_linker_section_ fields.  Change
10474         generate_code_fills_at_write_ to a bitfield.
10475         * output.cc (Output_section::Output_sections): Initialize new
10476         fields.
10477         (Output_segment::add_output_section): Add do_sort parameter.
10478         Change all callers.
10479
10480 2009-11-03  Ian Lance Taylor  <iant@google.com>
10481
10482         PR 10860
10483         * options.h (class General_options): Add --warn-common.
10484         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
10485         merging two common symbols.
10486         (Symbol_table::should_override): Handle --warn-common when merging
10487         a common symbol with a defined symbol.  Use report_resolve_problem
10488         for multiple definitions.
10489         (Symbol_table::report_resolve_problem): New function.
10490         * symtab.h (class Symbol_table): Declare report_resolve_problem.
10491
10492 2009-11-03  Doug Kwan  <dougkwan@google.com>
10493
10494         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
10495         stub_factory_.
10496         (Target_arm::stub_factory): New method definition.
10497         (Target_arm::new_arm_input_section,
10498         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
10499         Target_arm::reloc_uses_thumb_bit): New method declarations.
10500         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
10501         New type definitions.
10502         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
10503         member declarations.
10504         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
10505         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
10506         New method definitions.
10507
10508 2009-11-03  Ian Lance Taylor  <iant@google.com>
10509
10510         * options.h (class General_options): Add --warn_constructors.
10511
10512 2009-11-03  Ian Lance Taylor  <iant@google.com>
10513
10514         PR 10893
10515         * defstd.cc (in_section): Add entries for __rel_iplt_start,
10516         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
10517
10518 2009-11-03  Ian Lance Taylor  <iant@google.com>
10519
10520         PR 10895
10521         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
10522         --msgid-bugs-address.
10523         (install-pdf): New target.
10524         (install-data_yes): Look up one directory to find mkinstalldirs.
10525
10526 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
10527
10528         * po/Make-in (.po.gmo): Don't generate .gmo files in source
10529         tree.
10530
10531 2009-10-30  Doug Kwan  <dougkwan@google.com>
10532
10533         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
10534
10535 2009-10-30  Doug Kwan  <dougkwan@google.com>
10536
10537         * arm.cc (Stub_addend_reader): New struct template definition
10538         and partial specializations.
10539         (Stub_addend_reader::operator()): New method definition for a
10540         partially specialized template.
10541
10542 2009-10-30  Doug Kwan  <dougkwan@google.com>
10543
10544         * arm.cc (Arm_relobj::processor_specific_flags): New method
10545         definition.
10546         (Arm_relobj::do_read_symbols): New method declaration.
10547         (Arm_relobj::processor_specific_flags_): New data member declaration.
10548         (Arm_dynobj): New class definition.
10549         (Target_arm::do_finalize_sections): Add input_objects parameter.
10550         (Target_arm::do_adjust_elf_header): New method declaration.
10551         (Target_arm::are_eabi_versions_compatible,
10552         (Target_arm::merge_processor_specific_flags): New method declaration.
10553         (Target_arm::do_make_elf_object): New overloaded method definitions
10554         and declaration.
10555         (Arm_relobj::do_read_symbols): New method definition.
10556         (Arm_dynobj::do_read_symbols): Ditto.
10557         (Target_arm::do_finalize_sections): Add input_objects parameters.
10558         Merge processor-specific flags from all input objects.
10559         (Target_arm::are_eabi_versions_compatible,
10560         Target_arm::merge_processor_specific_flags,
10561         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
10562         New method definitions.
10563         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
10564         Input_objects pointer type parameter.
10565         * layout.cc (Layout::finalize): Pass input objects to target's.
10566         finalize_sections function.
10567         * output.cc (Output_file_header::do_sized_write): Set ELF file
10568         header's processor-specific flags.
10569         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
10570         Input_objects pointer type parameter.
10571         * sparc.cc (Target_sparc::do_finalize_sections): Same.
10572         * target.h (Input_objects): New forward class declaration.
10573         (Target::processor_specific_flags,
10574         Target::are_processor_specific_flags_sect): New method definitions.
10575         (Target::finalize_sections): Add input_objects parameter.
10576         (Target::Target): Initialize processor_specific_flags_ and
10577         are_processor_specific_flags_set_.
10578         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
10579         parameter.
10580         (Target::set_processor_specific_flags): New method definition.
10581         (Target::processor_specific_flags_,
10582         Target::are_processor_specific_flags_set_): New data member
10583         declarations.
10584         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
10585         Input_objects pointer type parameter.
10586
10587 2009-10-30  Doug Kwan  <dougkwan@google.com>
10588
10589         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
10590
10591 2009-10-28  Ian Lance Taylor  <iant@google.com>
10592
10593         * object.h (class Relobj): Drop options parameter from
10594         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
10595         do_scan_relocs, do_relocate.  Change all callers.
10596         (class Sized_relobj): Drop options parameters from
10597         do_gc_process_relocs, do_scan_relocs, do_relocate,
10598         do_relocate_sections, relocate_sections, emit_relocs_scan,
10599         emit_relocs_scan_reltype.  Change all callers.
10600         (struct Relocate_info): Remove options field and all references to
10601         it.
10602         * reloc.h (class Read_relocs): Remove options constructor
10603         parameter and options_ field.  Change all callers.
10604         (class Gc_process_relocs, class Scan_relocs): Likewise.
10605         (class Relocate_task): Likewise.
10606         * target-reloc.h (scan_relocs): Remove options parameter.  Change
10607         all callers.
10608         (scan_relocatable_relocs): Likewise.
10609         * target.h (class Sized_target): Remove options parameter from
10610         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
10611         all callers.
10612         * gc.h (gc_process_relocs): Remove options parameter.  Change all
10613         callers.
10614         * arm.cc: Update functions to remove options parameters.
10615         * i386.cc: Likewise.
10616         * powerpc.cc: Likewise.
10617         * sparc.cc: Likewise.
10618         * x86_64.cc: Likewise.
10619         * testsuite/testfile.cc: Likewise.
10620
10621 2009-10-28  Doug Kwan  <dougkwan@google.com>
10622
10623         * arm.cc (Arm_relobj): New class definition.
10624         (Arm_relobj::scan_sections_for_stubs,
10625         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
10626         New method definitions.
10627
10628 2009-10-28  Cary Coutant  <ccoutant@google.com>
10629
10630         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
10631         (Plugin::cleanup_done_): New member.
10632         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
10633         (Plugin_manager::cleanup_done_): Remove.
10634         (Plugin_manager::add_input_file): Edit error message.
10635         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
10636         (Plugin_manager::cleanup): Remove use of cleanup_done_.
10637
10638 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
10639
10640         * fileread.cc: (File_read::View::~View): Use the new
10641         data_ownership_ filed.
10642         (File_read::~File_read): Dispose the new whole_file_view_.
10643         (File_read::open): Mmap the whole file if needed.
10644         (File_read::open): Use whole_file_view_ instead of contents_.
10645         (File_read::find_view): Use whole_file_view_ if applicable.
10646         (File_read::do_read): Use whole_file_view_ instead of contents_.
10647         (File_read::make_view): Use whole_file_view_ instead of contents_,
10648         update File_read::View::View call.
10649         (File_read::find_or_make_view): Update File_read::View::View
10650         call.
10651         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
10652         remove contents_
10653         (File_read::View::Data_ownership): New enum.
10654         (File_read::View::View): Replace bool mapped_ with Data_ownership
10655         argument.
10656         (File_read::View::mapped_): Remove (replaced by data_ownership_).
10657         (File_read::View::data_ownership_): New field.
10658         (File_read::contents_): Remove (replaced by whole_file_view_).
10659         (File_read::whole_file_view_): New field.
10660         * options.h (class General_options): Add --keep-files-mapped.
10661
10662 2009-10-27  Cary Coutant  <ccoutant@google.com>
10663
10664         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
10665         * testsuite/Makefile.am (plugin_test_5): New test case.
10666         * testsuite/Makefile.in: Regenerate.
10667
10668 2009-10-25  Doug Kwan  <dougkwan@google.com>
10669
10670         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
10671         from private to protected to allow access by child class.
10672         (Sized_relobj::do_relocate_sections): New method declaration.
10673         (Sized_relobj::relocate_sections): Virtualize.
10674         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
10675         Sized_relobj::relocate_sections.  Instantiate template explicitly
10676         for different target sizes and endianity.
10677
10678 2009-10-24  Doug Kwan  <dougkwan@google.com>
10679
10680         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
10681         (Arm_input_section::as_arm_input_section): New method.
10682         (Arm_output_section): New class definition.
10683         (Arm_output_section::create_stub_group,
10684         Arm_output_section::group_sections): New method definitions.
10685
10686 2009-10-22  Doug Kwan  <dougkwan@google.com>
10687
10688         * arm.cc (Arm_input_section): New class definition.
10689         (Arm_input_section::init, Arm_input_section:do_write,
10690         Arm_input_section::set_final_data_size,
10691         Arm_input_section::do_reset_address_and_file_offset): New method
10692         definitions.
10693
10694 2009-10-21  Doug Kwan  <dougkwan@google.com>
10695
10696         * arm.cc (Stub_table, Arm_input_section): New forward class
10697         declarations.
10698         (Stub_table): New class defintion.
10699         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
10700         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
10701         New method definition.
10702
10703 2009-10-21  Doug Kwan  <dougkwan@google.com>
10704
10705         * arm.cc: Update copyright comments.
10706         (Target_arm): New forward class template declaration.
10707         (Arm_address): New type.
10708         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
10709         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
10710         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
10711         constants.
10712         (Insn_template): Same.
10713         (DEF_STUBS): New macro.
10714         (Stub_type): New enum type.
10715         (Stub_template): New class definition.
10716         (Stub): Same.
10717         (Reloc_stub): Same.
10718         (Stub_factory): Same.
10719         (Target_arm::Target_arm): Initialize may_use_blx_ and
10720         should_force_pic_veneer_.
10721         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
10722         Target_arm::should_force_pic_veneer,
10723         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
10724         Target_arm::using_thumb_only, Target_arm:;default_target): New
10725         method defintions.
10726         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
10727         New data member declarations.
10728         (Insn_template::size, Insn_template::alignment): New method defintions.
10729         (Stub_template::Stub_template): New method definition.
10730         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
10731         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
10732         (Stub_factory::Stub_factory): New method definition.
10733         * gold.h (string_hash): New template.
10734         * output.h (Input_section_specifier::hash_value): Use
10735         gold::string_hash.
10736         (Input_section_specifier::string_hash): Remove.
10737         * stringpool.cc (Stringpool_template::string_hash): Use
10738         gold::string_hash.
10739
10740 2009-10-20  Doug Kwan  <dougkwan@google.com>
10741
10742         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
10743         symbols of relaxed input sections.
10744         * output.h (Output_section::find_relaxed_input_section): Make
10745         method public.
10746
10747 2009-10-16  Doug Kwan  <dougkwan@google.com>
10748
10749         * dynobj.cc (Versions::Versions): Initialize version_script_.
10750         Only insert base version symbol definition for a shared object
10751         if version script defines any version versions.
10752         (Versions::define_base_version): New method definition.
10753         (Versions::add_def): Check that base version is not needed.
10754         (Versions::add_need): Define base version lazily.
10755         * dynobj.h (Versions::define_base_version): New method declaration.
10756         (Versions::needs_base_version_): New data member declaration.
10757         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
10758         (check_DATA): Add no_version_test.stdout.
10759         (libno_version_test.so, no_version_test.o no_version_test.stdout):
10760         New make rules.
10761         * testsuite/Makefile.in: Regenerate.
10762         * testsuite/no_version_test.c: New file.
10763         * testsuite/no_version_test.sh: Ditto.
10764
10765 2009-10-16  Doug Kwan  <dougkwan@google.com>
10766
10767         * expression.cc (class Segment_start_expression): New class definition.
10768         (Segment_start_expression::value): New method definition.
10769         (script_exp_function_segment_start): Return a new
10770         Segment_start_expression.
10771         * gold/script-c.h (script_saw_segment_start_expression): New function
10772         prototype.
10773         * script-sections.cc (Script_sections::Script_sections): Initialize
10774         SAW_SEGMENT_START_EXPRESSION_ to false.
10775         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
10776         and -Tbbs options to specify section addresses if given in
10777         command line and no SEGMENT_START expression is seen in a script.
10778         * script-sections.h (Script_sections::saw_segment_start_expression,
10779         Script_sections::set_saw_segment_start_expression): New method
10780         definition.
10781         (Script_sections::saw_segment_start_expression_): New data member
10782         declaration.
10783         * script.cc (script_saw_segment_start_expression): New function.
10784         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
10785         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
10786         script_test_7.sh and script_test_8.sh.
10787         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
10788         script_test_8.stdout.
10789         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
10790         (script_test_6, script_test_6.stdout, script_test_7,
10791         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
10792         * Makefile.in: Regenerate.
10793         * testsuite/script_test_6.sh: New file.
10794         * testsuite/script_test_6.t: Same.
10795         * testsuite/script_test_7.sh: Same.
10796         * testsuite/script_test_7.t: Same.
10797         * testsuite/script_test_8.sh: Same.
10798
10799 2009-10-16  Doug Kwan  <dougkwan@google.com>
10800
10801         * output.cc (Output_segment::set_section_list_address): Cast
10802         expressions to unsigned long long type to avoid format warnings.
10803
10804 2009-10-15  Ian Lance Taylor  <iant@google.com>
10805
10806         * script.cc (Script_options::add_symbol_assignment): Always add a
10807         dot assignment to script_sections_.
10808         * script-sections.cc (Script_sections::add_dot_assignment):
10809         Initialize if necessary.
10810
10811         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
10812         program headers with no load segment if there is a linker script.
10813
10814         * layout.cc (Layout::set_segment_offsets): Align the file offset
10815         to the segment aligment for -N or -n with no load segment.
10816         * output.cc (Output_segment::add_output_section): Don't crash if
10817         the first section is a TLS section.
10818         (Output_segment::set_section_list_addresses): Print an error
10819         message if the address moves backward in a linker script.
10820         * script-sections.cc
10821         (Output_section_element_input::set_section_addresses): Don't
10822         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
10823         (Orphan_output_section::set_section_addresses): Likewise.
10824
10825 2009-10-15  Doug Kwan  <dougkwan@google.com>
10826
10827         * layout.cc (Layout::finish_dynamic_section): Generate tags
10828         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
10829         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
10830         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
10831
10832 2009-10-14  Ian Lance Taylor  <iant@google.com>
10833
10834         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
10835         fields.
10836         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
10837         data_shdr fields of relinfo.
10838         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
10839         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
10840         R_386_TLS_LDO_32, adjust based on section flags.
10841         (Target_i386::Relocate::fix_up_ldo): Remove.
10842
10843 2009-10-13  Ian Lance Taylor  <iant@google.com>
10844
10845         Add support for -pie.
10846         * options.h (class General_options): Add -pie and
10847         --pic-executable.
10848         (General_options::output_is_position_independent): Test -pie.
10849         (General_options::output_is_executable): Return true if not shared
10850         and not relocatable.
10851         (General_options::output_is_pie): Remove.
10852         * options.cc (General_options::finalize): Reject incompatible uses
10853         of -pie.
10854         * gold.cc (queue_middle_tasks): A -pie link is not static.
10855         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
10856         * symtab.cc (Symbol::final_value_is_known): Return false if
10857         output_is_position_independent.
10858         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
10859         output_is_position_independent.
10860         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
10861         output_is_position_independent.
10862         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
10863         output_is_position_independent.
10864         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
10865         two_file_pie_test.
10866         (basic_pie_test.o, basic_pie_test): New targets.
10867         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
10868         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
10869         (two_file_pie_test): New target.
10870         * testsuite/Makefile.in: Rebuild.
10871         * README: Remove note saying that -pie is not supported.
10872
10873 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
10874
10875         * options.h (class General_options): Add -init and -fini.
10876         * layout.cc (Layout::finish_dynamic_section): Emit
10877         given init and fini functions.
10878
10879 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
10880
10881         * gc.h (gc_process_relocs): Check if icf is enabled using new
10882         function.
10883         * gold.cc (queue_initial_tasks): Likewise.
10884         (queue_middle_tasks): Likewise.
10885         * object.cc (do_layout): Likewise.
10886         * symtab.cc (is_section_folded): Likewise.
10887         * main.cc (main): Likewise.
10888         * reloc.cc (Read_relocs::run): Likewise.
10889         (Sized_relobj::do_scan_relocs): Likewise.
10890         * icf.cc (is_function_ctor_or_dtor): New function.
10891         (Icf::find_identical_sections): Check if function is ctor or dtor when
10892         safe icf is chosen.
10893         * options.h (General_options::icf): Change option to be an enum.
10894         (Icf_status): New enum.
10895         (icf_enabled): New method.
10896         (icf_safe_folding): New method.
10897         (set_icf_status): New method.
10898         (icf_status_): New variable.
10899         * (options.cc) (General_options::finalize): Set icf_status_.
10900         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
10901         icf_test and icf_keep_unique_test to use the --icf enum flag.
10902         * testsuite/icf_safe_test.sh: New file.
10903         * testsuite/icf_safe_test.cc: New file.
10904
10905 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
10906
10907         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
10908         includes to gc.h and icf.h.
10909         * arm.cc: Include gc.h.
10910         * gold.cc: Likewise.
10911         * i386.cc: Likewise.
10912         * powerpc.cc: Likewise.
10913         * sparc.cc: Likewise.
10914         * x86_64.cc: Likewise.
10915         * gc.h: Include icf.h.
10916
10917 2009-10-11  Ian Lance Taylor  <iant@google.com>
10918
10919         * plugin.cc: Include "gold.h" before other header files.
10920
10921 2009-10-10  Chris Demetriou  <cgd@google.com>
10922
10923         * options.h (Input_file_argument::Input_file_type): New enum.
10924         (Input_file_argument::is_lib_): Replace with...
10925         (Input_file_argument::type_): New member.
10926         (Input_file_argument::Input_file_argument): Take Input_file_type
10927         'type' rather than boolean 'is_lib' as second argument.
10928         (Input_file_argument::is_lib): Use type_.
10929         (Input_file_argument::is_searched_file): New function.
10930         (Input_file_argument::may_need_search): Handle is_searched_file.
10931         * options.cc (General_options::parse_library): Support -l:filename.
10932         (General_options::parse_just_symbols): Update for Input_file_argument
10933         changes.
10934         (Command_line::process): Likewise.
10935         * archive.cc (Archive::get_file_and_offset): Likewise.
10936         * plugin.cc (Plugin_manager::release_input_file): Likewise.
10937         * script.cc (read_script_file, script_add_file): Likewise.
10938         * fileread.cc (Input_file::Input_file): Likewise.
10939         (Input_file::will_search_for): Handle is_searched_file.
10940         (Input_file::open): Likewise.
10941         * readsyms.cc (Read_symbols::get_name): Likewise.
10942         * testsuite/Makefile.am (searched_file_test): New test.
10943         * testsuite/Makefile.in: Regenerate.
10944         * testsuite/searched_file_test.cc: New file.
10945         * testsuite/searched_file_test_lib.cc: New file.
10946
10947 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10948             Ian Lance Taylor  <iant@google.com>
10949
10950         * descriptor.cc: Include <cstdio> and "binary-io.h".
10951         (Descriptors::open): Open the files in binary mode always.
10952         * script.cc (Lex::get_token): Treat \r as whitespace.
10953
10954 2009-10-09  Ian Lance Taylor  <iant@google.com>
10955
10956         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
10957
10958 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10959             Ian Lance Taylor  <iant@google.com>
10960
10961         * configure.ac: Check for readv function also.
10962         * fileread.cc (readv): Define if not HAVE_READV.
10963         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
10964         does not exist.
10965         * config.in: Regenerate.
10966         * configure: Regenerate.
10967
10968 2009-10-09  Doug Kwan  <dougkwan@google.com>
10969
10970         * layout.cc (Layout::make_output_section): Call target hook to make
10971         ordinary output section.
10972         (Layout::finalize): Adjust parameter list of call the
10973         Target::may_relax().
10974         * layout.h (class Layout::section_list): New method.
10975         * merge.h (Output_merge_base::entsize): Change visibility to public.
10976         (Output_merge_base::is_string, Output_merge_base::do_is_string):
10977         New methods.
10978         (Output_merge_string::do_is_string): New method.
10979         * object.cc (Sized_relobj::do_setup): renamed from
10980         Sized_relobj::set_up.
10981         * object.h (Sized_relobj::adjust_shndx,
10982         Sized_relobj::initializ_input_to_output_maps,
10983         Sized_relobj::free_input_to_output_maps): Change visibilities to
10984         protected.
10985         (Sized_relobj::setup): Virtualize.
10986         (Sized_relobj::do_setup): New method declaration.
10987         (Sized_relobj::invalidate_section_offset,
10988         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
10989         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
10990         * options.cc (parse_int): New function.
10991         * options.h (parse_int): New declaration.
10992         (DEFINE_int): New macro.
10993         (stub_group_size): New option.
10994         * output.cc (Output_section::Output_section): Initialize memebers
10995         merge_section_map_, merge_section_by_properties_map_,
10996         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
10997         (Output_section::add_input_section): Handled deferred code-fill
10998         generation and remove an old comment.
10999         (Output_section::add_relaxed_input_section): New method definition.
11000         (Output_section::add_merge_input_section): Use merge section by
11001         properties map to speed to search.  Update merge section maps
11002         as appropriate.
11003         (Output_section::build_relaxation_map): New method definition.
11004         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
11005         Same.
11006         (Output_section::relax_input_section): Renamed to
11007         Output_section::convert_input_sections_to_relaxed_sections and change
11008         interface to take a vector of pointers to relaxed sections.
11009         (Output_section::find_merge_section,
11010         Output_section::find_relaxed_input_section): New method definitions.
11011         (Output_section::is_input_address_mapped,
11012         Output_section::output_offset, Output_section::output_address):
11013         Use output section data maps to speed up searching.
11014         (Output_section::find_starting_output_address): Add comments.
11015         (Output_section::do_write,
11016         Output_section::write_to_postprocessing_buffer): Do code-fill
11017         generation as appropriate.
11018         (Output_section::get_input_sections): Invalidate relaxed input section
11019         map.
11020         (Output_section::restore_states): Adjust type of checkpoint .
11021         Invalidate relaxed input section map.
11022         * output.h (Output_merge_base): New class declaration.
11023         (Input_section_specifier): New class defintion.
11024         (class Output_relaxed_input_section) Change base class to
11025         Output_section_data_build.
11026         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
11027         base class initializer.
11028         (Output_section::add_relaxed_input_section): New method declaration.
11029         (Output_section::Input_section): Change visibility to protected.
11030         (Output_section::Input_section::relobj,
11031         Output_section::Input_section::shndx): Handle relaxed input sections.
11032         Output_section::input_sections) Change visibility to protected.  Also
11033         define overload to return a non-const pointer.
11034         (Output_section::Merge_section_properties): New class defintion.
11035         (Output_section::Merge_section_by_properties_map,
11036         Output_section::Output_section_data_by_input_section_map,
11037         Output_section::Relaxation_map): New types.
11038         (Output_section::relax_input_section): Rename method to
11039         Output_section::convert_input_sections_to_relaxed_sections and change
11040         interface to take a vector of relaxed section pointers.
11041         (Output_section::find_merge_section,
11042         Output_section::find_relaxed_input_section,
11043         Output_section::build_relaxation_map,
11044         Output_section::convert_input_sections_in_list_to_relaxed_sections):
11045         New method declarations.
11046         (Output_section::merge_section_map_
11047         Output_section::merge_section_by_properties_map_,
11048         Output_section::relaxed_input_section_map_,
11049         Output_section::is_relaxed_input_section_map_valid_,
11050         Output_section::generate_code_fills_at_write_): New data members.
11051         * script-sections.cc
11052         (Output_section_element_input::set_section_addresses): Call
11053         current_data_size and addralign methods of relaxed input sections.
11054         (Orphan_output_section::set_section_addresses): Call current_data_size
11055         and addralign methods of relaxed input sections.
11056         * symtab.cc (Symbol_table::compute_final_value): Extract template
11057         from the body of Symbol_table::sized_finalize_symbol.
11058         (Symbol_table::sized_finalized_symbol): Call
11059         Symbol_table::compute_final_value.
11060         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
11061         (Symbol_table::compute_final_value): New templated method declaration.
11062         * target.cc (Target::do_make_output_section): New method defintion.
11063         * target.h (Target::make_output_section): New method declaration.
11064         (Target::relax): Add more parameters for input objects, symbol table
11065         and layout.  Adjust call to do_relax.
11066         (Target::do_make_output_section): New method declaration.
11067         (Target::do_relax): Add parameters for input objects, symbol table
11068         and layout.
11069
11070 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11071
11072         * pread.c: Include stdio.h.
11073
11074 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11075
11076         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
11077         defined.
11078
11079 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
11080
11081         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
11082         Change read_shndx type to unsigned int.
11083         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
11084         int.
11085         (Sized_dwarf_line_info::read_line_mappings): Likewise.
11086         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
11087         Change read_shndx type to unsigned int.
11088         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
11089         int.
11090         (Sized_dwarf_line_info::read_line_mappings): Likewise.
11091         * layout.cc (Layout::create_symtab_sections): Cast the result of
11092         local_symcount * symsize to off_t in the gold_assert.
11093
11094 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
11095
11096         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
11097         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
11098         R_ARM_BASE_ABS.
11099         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
11100         (Arm_relocate_functions::thm_abs5): New function.
11101         (Arm_relocate_functions::abs12): New function.
11102         (Arm_relocate_functions::abs16): New function.
11103         (Arm_relocate_functions::base_abs): New function.
11104         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
11105         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
11106         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
11107         R_ARM_BASE_ABS.
11108         (Scan::global): Likewise.
11109         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
11110         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
11111         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
11112         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
11113         R_ARM_BASE_ABS.
11114
11115 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
11116
11117         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
11118         (Arm_relocate_functions::movt_prel): New function.
11119         (Arm_relocate_functions::thm_movw_prel_nc): New function.
11120         (Arm_relocate_functions::thm_movt_prel): New function.
11121         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
11122         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
11123         (Scan::global, Relocate::relocate): Likewise.
11124         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
11125
11126 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
11127
11128         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
11129         Incremental_checker.
11130         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
11131         unsigned int.
11132         (class Incremental_inputs_header): New class.
11133         (Incremental_inputs_header_writer): Edit comment.
11134         (Incremental_inputs_entry): New class.
11135         (Incremental_inputs_entry_writer): Edit comment.
11136         (Sized_incremental_binary::do_find_incremental_inputs_section):
11137         Add *strtab_shndx parameter, fill it.
11138         (Sized_incremental_binary::do_check_inputs): New method.
11139         (Incremental_checker::can_incrementally_link_output_file): Use
11140         Sized_incremental_binary::check_inputs.
11141         (Incremental_inputs::report_command_line): Save command line in
11142         command_line_.
11143         * incremental.h:
11144         (Incremental_binary::find_incremental_inputs_section): New
11145         method.
11146         (Incremental_binary::do_find_incremental_inputs_section): Add
11147         strtab_shndx parameter.
11148         (Incremental_binary::do_check_inputs): New pure virtual method.
11149         (Sized_incremental_binary::do_check_inputs): Declare.
11150         (Incremental_checker::Incremental_checker): Add incremental_inputs
11151         parameter, use it to initialize incremental_inputs_.
11152         (Incremental_checker::incremental_inputs_): New field.
11153         (Incremental_checker::command_line): New method.
11154         (Incremental_checker::inputs): New method.
11155         (Incremental_checker::command_line_): New field.
11156
11157 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
11158
11159         * incremental.cc: Include <cstdarg> and "target-select.h".
11160         (vexplain_no_incremental): New function.
11161         (explain_no_incremental): New function.
11162         (Incremental_binary::error): New method.
11163         (Sized_incremental_binary::do_find_incremental_inputs_section): New
11164         method.
11165         (make_sized_incremental_binary): New function.
11166         (open_incremental_binary): New function.
11167         (can_incrementally_link_file): Add checks if output is ELF and has
11168         inputs section.
11169         * incremental.h: Include "elfcpp_file.h" and "output.h".
11170         (Incremental_binary): New class.
11171         (Sized_incremental_binary): New class.
11172         (open_incremental_binary): Declare.
11173         * object.cc (is_elf_object): Use
11174         elfcpp::Elf_recognizer::is_elf_file.
11175         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
11176         * output.h (Output_file::filesize): New method.
11177
11178 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
11179
11180         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
11181         New function.
11182         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
11183         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
11184         function.
11185         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
11186         function.
11187         (Arm_relocate_functions::movw_abs_nc): New function.
11188         (Arm_relocate_functions::movt_abs): New function.
11189         (Arm_relocate_functions::thm_movw_abs_nc): New function.
11190         (Arm_relocate_functions::thm_movt_abs): New function.
11191         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
11192         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
11193         (Scan::global): Likewise.
11194         (Relocate::relocate): Likewise.
11195         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
11196
11197 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
11198
11199         * arm.cc (Arm_relocate_functions::got_prel) New function.
11200         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
11201         (Relocate::relocate): Likewise.
11202         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
11203
11204 2009-10-06  Ian Lance Taylor  <iant@google.com>
11205
11206         * options.h (class General_options): Define
11207         split_stack_adjust_size parameter.
11208         * object.h (class Object): Add uses_split_stack_ and
11209         has_no_split_stack_ fields.  Add uses_split_stack and
11210         has_no_split_stack accessor functions.  Declare
11211         handle_split_stack_section.
11212         (class Reloc_symbol_changes): Define.
11213         (class Sized_relobj): Define Function_offsets.  Declare
11214         split_stack_adjust, split_stack_adjust_reltype, and
11215         find_functions.
11216         * object.cc (Object::handle_split_stack_section): New function.
11217         (Sized_relobj::do_layout): Call handle_split_stack_section.
11218         * dynobj.cc (Sized_dynobj::do_layout): Call
11219         handle_split_stack_section.
11220         * reloc.cc (Sized_relobj::relocate_sections): Call
11221         split_stack_adjust for executable sections in split_stack
11222         objects.  Pass reloc_map to relocate_section.
11223         (Sized_relobj::split_stack_adjust): New function.
11224         (Sized_relobj::split_stack_adjust_reltype): New function.
11225         (Sized_relobj::find_functions): New function.
11226         * target-reloc.h: Include "object.h".
11227         (relocate_section): Add reloc_symbol_changes parameter.  Change
11228         all callers.
11229         * target.h (class Target): Add calls_non_split method.  Declare
11230         do_calls_non_split virtual method.  Declare match_view and
11231         set_view_to_nop.
11232         * target.cc: Include "elfcpp.h".
11233         (Target::do_calls_non_split): New function.
11234         (Target::match_view): New function.
11235         (Target::set_view_to_nop): New function.
11236         * gold.cc (queue_middle_tasks): Give an error if mixing
11237         split-stack and non-split-stack objects with -r.
11238         * i386.cc (Target_i386::relocate_section): Add
11239         reloc_symbol_changes parameter.
11240         (Target_i386::do_calls_non_split): New function.
11241         * x86_64.cc (Target_x86_64::relocate_section): Add
11242         reloc_symbol_changes parameter.
11243         (Target_x86_64::do_calls_non_split): New function.
11244         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
11245         parameter.
11246         * powerpc.cc (Target_powerpc::relocate_section): Add
11247         reloc_symbol_changes parameter.
11248         * sparc.cc (Target_sparc::relocate_section): Add
11249         reloc_symbol_changes parameter.
11250         * configure.ac: Call AM_CONDITIONAL for the default target.
11251         * configure: Rebuild.
11252         * testsuite/Makefile.am (TEST_AS): New variable.
11253         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
11254         (check_DATA): Add split_i386 and split_x86_64 files.
11255         (SPLIT_DEFSYMS): Define.
11256         (split_i386_[1234n].o): New targets.
11257         (split_i386_[124]): New targets.
11258         (split_i386_[1234r].stdout): New targets.
11259         (split_x86_64_[1234n].o): New targets.
11260         (split_x86_64_[124]): New targets.
11261         (split_x86_64_[1234r].stdout): New targets.
11262         (MOSTLYCLEANFILES): Add new executables.
11263         * testsuite/split_i386.sh: New file.
11264         * testsuite/split_x86_64.sh: New file.
11265         * testsuite/split_i386_1.s: New file.
11266         * testsuite/split_i386_2.s: New file.
11267         * testsuite/split_i386_3.s: New file.
11268         * testsuite/split_i386_4.s: New file.
11269         * testsuite/split_i386_n.s: New file.
11270         * testsuite/split_x86_64_1.s: New file.
11271         * testsuite/split_x86_64_2.s: New file.
11272         * testsuite/split_x86_64_3.s: New file.
11273         * testsuite/split_x86_64_4.s: New file.
11274         * testsuite/split_x86_64_n.s: New file.
11275         * testsuite/testfile.cc (Target_test): Update relocation_section
11276         function.
11277         * testsuite/Makefile.in: Rebuild.
11278
11279 2009-10-06  Ian Lance Taylor  <iant@google.com>
11280
11281         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
11282         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
11283         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
11284         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
11285         the address on ldo_addrs_.
11286         (Target_i386::Relocate::fix_up_ldo): New function.
11287
11288 2009-10-06   Rafael Espindola  <espindola@google.com>
11289
11290         * plugin.cc (add_input_library): New.
11291         (Plugin::load): Add add_input_library to tv.
11292         (Plugin_manager::add_input_file): Add the is_lib argument.
11293         (add_input_file): Update call to Plugin_manager::add_input_file.
11294         (add_input_library): New.
11295         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
11296
11297 2009-09-30  Doug Kwan  <dougkwan@google.com>
11298
11299         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
11300         symbol and call Symbol::may_need_copy_reloc to determine if
11301         a copy reloc is needed.
11302         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
11303         nocopyreloc is given in command line.
11304         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
11305         given in command line.
11306         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
11307         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
11308         of the removed Target_i386::may_need_copy_reloc.
11309         * options.h (copyreloc): New option with default value false.
11310         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
11311         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
11312         instead of the removed Target_powerpc::may_need_copy_reloc.
11313         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
11314         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
11315         instead of the removed Target_sparc::may_need_copy_reloc.
11316         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
11317         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
11318         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
11319         instead of the removed Target_x86_64::may_need_copy_reloc.
11320
11321 2009-09-30  Ian Lance Taylor  <iant@google.com>
11322
11323         * object.h (class Object): Remove target_ field, and target,
11324         sized_target, and set_target methods.
11325         (Object::sized_target): Remove.
11326         (class Sized_relobj): Update declarations.  Remove sized_target.
11327         * object.cc (Sized_relobj::setup): Remove target parameter.
11328         Change all callers.
11329         (Input_objects::add_object): Don't do anything with the target.
11330         (make_elf_sized_object): Add punconfigured parameter.  Change all
11331         callers.  Set or test parameter target.
11332         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
11333         Change all callers.
11334         * parameters.cc (Parameters::set_target): Change parameter type to
11335         be non-const.
11336         (Parameters::default_target): Remove.
11337         (set_parameters_target): Change parameter type to be non-const.
11338         (parameters_force_valid_target): New function.
11339         (parameters_clear_target): New function.
11340         * parameters.h (class Parameters): Update declarations.  Remove
11341         default_target method.  Add sized_target and clear_target
11342         methods.  Change target_ to be non-const.
11343         (set_parameters_target): Update declaration.
11344         (parameters_force_valid_target): Declare.
11345         (parameters_clear_target): Declare.
11346         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
11347         as NULL if we aren't searching.
11348         (Add_symbols::run): Don't check for compatible target.
11349         * fileread.cc (Input_file::open_binary): Call
11350         parameters_force_valid_target.
11351         * gold.cc (queue_middle_tasks): Likewise.
11352         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
11353         set_target on object.
11354         * dynobj.h (class Sized_dynobj): Update declarations.
11355         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
11356         make_elf_object returns NULL.
11357         (Archive::include_member): Don't check whether object target is
11358         compatible.
11359         * output.cc (Output_section::add_input_section): Get target from
11360         parameters.
11361         (Output_section::relax_input_section): Likewise.
11362         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
11363         parameters.
11364         (Sized_relobj::do_scan_relocs): Likewise.
11365         (Sized_relobj::relocate_sections): Likewise.
11366         * resolve.cc (Symbol_table::resolve): Likewise.
11367         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
11368         parameter.  Change all callers.
11369         (Symbol_table::add_from_object): Get target from parameters.
11370         (Symbol_table::add_from_relobj): Don't check object target.
11371         (Symbol_table::add_from_dynobj): Likewise.
11372         (Symbol_table::define_special_symbol): Get target from
11373         parameters.
11374         * symtab.h (class Symbol_table): Update declaration.
11375         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
11376         parameter.  Change all callers.  Clear parameter target.
11377         (Binary_test): Test target here.
11378         * testsuite/object_unittest.cc (gold_testsuite): Remove
11379         target_test_pointer parameter.  Change all callers.
11380         (Object_test): Test target here.
11381
11382 2009-09-26  Ian Lance Taylor  <iant@google.com>
11383
11384         * testsuite/initpri1.c: Don't try to use constructor priorities if
11385         compiling with gcc before 4.3.
11386
11387 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
11388
11389         * testsuite/retain_symbols_file_test.sh (check_present): Change
11390         output file name to retain_symbols_file_test.stdout.
11391         (check_absent): Likewise.
11392
11393 2009-09-18  Craig Silverstein  <csilvers@google.com>
11394
11395         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
11396         * options.cc: Include <cerrno> and <fstream>.
11397         (General_options::finalize): Parse -retain-symbols-file tag.
11398         * options.h: New flag.
11399         (General_options): New method should_retain_symbol, new
11400         variable symbols_to_retain.
11401         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
11402         should_retain_symbol map.
11403         * testsuite/Makefile.am (retain_symbols_file_test): New test.
11404         * testsuite/Makefile.in: Regenerate.
11405         * testsuite/retain_symbols_file_test.sh: New file.
11406
11407 2009-09-18  Nick Clifton  <nickc@redhat.com>
11408
11409         * po/es.po: Updated Spanish translation.
11410
11411 2009-09-17  Doug Kwan  <dougkwan@google.com>
11412
11413         * debug.h (DEBUG_RELAXATION): New constant.
11414         (DEBUG_ALL): Add DEBUG_RELAXATION.
11415         (debug_string_to_enum): Add relaxation debug option.
11416         * layout.cc
11417         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
11418         Layout::Relaxation_debug_check::read_sections,
11419         Layout::Relaxation_debug_check::read_sections): New method definitions.
11420         (Layout::Layout): Initialize data members
11421         record_output_section_data_from_scrips_,
11422         script_output_section_data_list_ and relaxation_debug_check_.
11423         (Layout::save_segments, Layout::restore_segments,
11424         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
11425         Layout::relaxation_loop_body): New method definitions.
11426         (Layout::finalize): Support relaxation.  Move section layout code to
11427         Layout::relaxation_loop_body.
11428         (Layout::set_asection_address_from_script): Move code for orphan
11429         section placement out.
11430         (Layout::place_orphan_sections_in_script): New method definition.
11431         * layout.h (Output_segment_headers, Output_file_header):
11432         New forward class declarations.
11433         (Layout::~Layout): Define.
11434         (Layout::new_output_section_data_from_script): New method definition.
11435         (Layout::place_orphan_sections_in_script): New method declaration.
11436         (Layout::Segment_states): New type declaration.
11437         (Layout::save_segments, Layout::restore_segments,
11438         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
11439         Layout::relaxation_loop_body): New method declarations.
11440         (Layout::Output_section_data_list): New type declaration.
11441         (Layout::Relaxation_debug_check): New class definition.
11442         (Layout::record_output_section_data_from_script_,
11443         Layout::script_output_section_data_list_, Layout::segment_states_,
11444         Layout::relaxation_debug_check_): New data members.
11445         * output.cc: (Output_section_headers::do_size): New method definition.
11446         (Output_section_headers::Output_section_headers): Move size
11447         computation to Output_section_headers::do_size.
11448         (Output_segment_headers::do_size): New method definition.
11449         (Output_file_header::Output_file_header): Move size computation to
11450         Output_file_header::do_size and call it.
11451         (Output_file_header::do_size): New method definition.
11452         (Output_data_group::Output_data_group): Adjust call to
11453         Output_section_data.
11454         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
11455         (Output_symtab_xindex::do_write): Add array bound check.
11456         (Output_section::Input_section::print_to_mapfile): Handle
11457         RELAXED_INPUT_SECTION_CODE.
11458         (Output_section::Output_section): Initialize data member checkpoint_.
11459         (Output_section::~Output_section): Delete checkpoint object pointed
11460         by checkpoint_.
11461         (Output_section::add_input_section): Always add an Input_section if
11462         relaxing.
11463         (Output_section::add_merge_input_section): Add assert.
11464         (Output_section::relax_input_section): New method definition.
11465         (Output_section::set_final_data_size): Set load address to zero for
11466         an unallocated section.
11467         (Output_section::do_address_and_file_offset_have_reset_values):
11468         New method definition.
11469         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
11470         Handle relaxed input section.
11471         (Output_section::sort_attached_input_sections): Checkpoint input
11472         section list lazily.
11473         (Output_section::get_input_sections): Change type of input_sections to
11474         list of Simple_input_section pointers.  Checkpoint input section list
11475         lazily.  Also handle relaxed input sections.
11476         (Output_section::add_input_section_for_script): Take a reference to
11477         a Simple_input_section object instead of Relobj pointer and section
11478         index as parameter.  Handle relaxed input sections.
11479         (Output_section::save_states, Output_section::restore_states): New
11480         method definitions.
11481         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
11482         (Output_data::is_data_size_fixed): New method definition.
11483         (Output_data::reset_addresss_and_file_offset): Do not reset data size
11484         if it is fixed.
11485         (Output_data::address_and_file_offset_have_reset_values): New method
11486         definition.
11487         (Output_data::do_address_and_file_offset_have_reset_values): New method
11488         definition.
11489         (Output_data::set_data_size): Check that data size is not fixed.
11490         (Output_data::fix_data_size): New method definition.
11491         (Output_data::is_data_size_fixed_): New data member.
11492         (Output_section_headers::set_final_data_size): New method definition.
11493         (Output_section_headers::do_size): New method declaration.
11494         (Output_segment_headers::set_final_data_size): New method definition.
11495         (Output_segment_headers::do_size): New method declaration.
11496         (Output_file_header::set_final_data_size)::New method definition.
11497         (Output_file_header::do_size)::New method declaration.
11498         (Output_section_data::Output_section_data): Add new parameter
11499         is_data_size_fixed and use it to fix data size.
11500         (Output_data_const::Output_data_const): Adjust call to base class
11501         constructor and fix data size.
11502         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
11503         base class constructor and fix data size.
11504         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
11505         base class constructor and fix data size.
11506         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
11507         class constructor and fix data size.
11508         (Output_data_group::set_final_data_size): New method definition.
11509         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
11510         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
11511         class constructor and fix data size.
11512         (Output_relaxed_input_section): New class definition.
11513         (Output_section::Simple_input_section): New class definition.
11514         (Output_section::get_input_sections): Adjust parameter list.
11515         (Output_section::add_input_section_for_script): Same.
11516         (Output_section::save_states, Output_section::restore_states,
11517         Output_section::do_address_and_file_offset_have_reset_values,
11518         (Output_section::Input_section::Input_section): Handle
11519         RELAXED_INPUT_SECTION_CODE.  Add new overload for
11520         Output_relaxed_input_section.
11521         (Output_section::Input_section::is_input_section,
11522         Output_section::Input_section::set_output_section): Handle relaxed
11523         input section.
11524         (Output_section::Input_section::is_relaxed_input_section,
11525         Output_section::Input_section::output_section_data,
11526         Output_section::Input_section::relaxed_input_section): New method
11527         definitions.
11528         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
11529         value.
11530         (Output_section::Input_section::u1_): Update comments.
11531         (Output_section::Input_section::u2_): Add new union member poris.
11532         (Output_section::Checkpoint_output_section): New classs definition.
11533         (Output_section::relax_input_section): New method declaration.
11534         (Output_section::checkpoint_): New data member.
11535         (Output_segment): Update comments.
11536         (Output_segment::Output_segment): Un-privatize copy constructor.
11537         (Output_segment::operator=): Un-privatize.
11538         * script-sections.cc (Output_section_element::Input_section_list):
11539         Change element type to Output_section::Simple_input_section.
11540         (Output_section_element_dot_assignment::set_section_addresses):
11541         Register output section data for relaxation clean up.
11542         (Output_data_exression::Output_data_expression): Adjust call to base
11543         constructor to fix data size.
11544         (Output_section_element_data::set_section_addresses): Register
11545         Output_data_expression object for relaxation clean up.
11546         (struct Input_section_info): Replace Relobj pointer and section index
11547         pair with Output_section::Simple_input_section and Convert struct to a
11548         class.
11549         (Input_section_sorter::operator()): Adjust access to
11550         Input_section_info data member to use accessors.
11551         (Output_section_element_input::set_section_addresses): Use layout
11552         parameter.  Adjust code to use Output_section::Simple_input_section
11553         and Input_secction_info classes.  Register filler for relaxation
11554         clean up.
11555         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
11556         and section index pair with Output_section::Simple_input_section
11557         class.  Adjust code accordingly.
11558         (Phdrs_element::release_segment): New method definition.
11559         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
11560         segment list.
11561         (Script_sections::release_segments): New method definition.
11562         * gold/script-sections.h (Script_sections::release_segments): New
11563         method declaration.
11564         * gold/target.h (Target::may_relax, Target::relax,
11565         Target::do_may_relax, Target::do_relax): New method definitions.
11566
11567 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
11568
11569         * arm.cc (has_signed_unsigned_overflow): New function.
11570         (Arm_relocate_functions::abs8): New function.
11571         (Target_arm::Scan::local): Handle R_ARM_ABS8.
11572         (Target_arm::Scan::global): Likewise.
11573         (Target_arm::relocate::relocate): Likewise.
11574         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
11575         Likewise.
11576
11577 2009-09-16  Cary Coutant  <ccoutant@google.com>
11578
11579         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
11580         * testsuite/Makefile.in: Regenerate.
11581
11582 2009-09-11  Nick Clifton  <nickc@redhat.com>
11583
11584         * po/gold.pot: Updated by the Translation project.
11585
11586 2009-09-08  Cary Coutant  <ccoutant@google.com>
11587
11588         * output.cc (Output_file::open): Add execute permission to empty file.
11589         * testsuite/Makefile.am (permission_test): New test.
11590         * testsuite/Makefile.in: Regenerate.
11591
11592 2009-09-02  Ian Lance Taylor  <iant@google.com>
11593
11594         * output.cc (Output_file::resize): Call map_no_anonymous rather
11595         than map.
11596
11597 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
11598
11599         * gold.cc: Include "incremental.h".
11600         (queue_initial_tasks): Call Incremental_checker methods.
11601         * incremental.cc: Include "output.h".
11602         (Incremental_checker::can_incrementally_link_output_file): New
11603         method.
11604         * incremental.h (Incremental_checker): New class.
11605
11606         * output.cc (Output_file::open_for_modification): New method.
11607         (Output_file::map_anonymous): Changed return type to bool.  Record
11608         map in base_ field.
11609         (Output_file::map_no_anonymous): New method, broken out of map.
11610         (Output_file::map): Use map_no_anonymous and map_anonymous.
11611         * output.h (class Output_file): Update declarations.
11612
11613 2009-08-24  Cary Coutant  <ccoutant@google.com>
11614
11615         * options.h (Command_line::Pre_options): New class.
11616         (Command_line::pre_options): New member.
11617         * options.cc (gold::options::ready_to_register): New variable.
11618         (One_option::register_option): Do nothing if not registering options.
11619         Assert if same short option registered twice.
11620         (General_options::General_options): Turn off option registration when
11621         done constructing.
11622         (Command_line::Pre_options::Pre_options): New constructor.
11623
11624 2009-08-24  Cary Coutant  <ccoutant@google.com>
11625
11626         * options.h (General_options::no_keep_memory): Remove incorrect
11627         short option.
11628
11629 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11630
11631         * Makefile.am (am__skiplex, am__skipyacc): New.
11632         * Makefile.in: Regenerate.
11633
11634 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11635
11636         * Makefile.am (AM_CPPFLAGS): Renamed from ...
11637         (INCLUDES): ... this.
11638         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
11639         (AM_CPPFLAGS): Renamed from ...
11640         (INCLUDE): ... this.
11641         * Makefile.in, testsuite/Makefile.in: Regenerate.
11642
11643         * Makefile.in: Regenerate.
11644         * aclocal.m4: Likewise.
11645         * config.in: Likewise.
11646         * configure: Likewise.
11647         * testsuite/Makefile.in: Likewise.
11648
11649         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
11650         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
11651         * Makefile.in: Regenerate.
11652         * testsuite/Makefile.in: Regenerate.
11653
11654 2009-08-19  Cary Coutant  <ccoutant@google.com>
11655
11656         * resolve.cc (Symbol_table::resolve): Don't complain about defined
11657         symbols in shared libraries overridden by hidden or internal symbols
11658         in the main program.
11659
11660 2009-08-19  Chris Demetriou  <cgd@google.com>
11661
11662         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
11663         checking source file names in error messages.
11664
11665 2009-08-18  Doug Kwan  <dougkwan@google.com>
11666
11667         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
11668         an elcpp::Ehdr as parameter.  Adjust call to set_target.
11669         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
11670         an elfcpp::Ehdr as parameter.
11671         * object.cc (Object::set_target): Remove the version that looks up
11672         a target and sets it.
11673         (Sized_relobj::setup): Take a Target object instead of
11674         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
11675         (make_elf_sized_object): Find target and ask target to
11676         make an ELF object.
11677         * object.h: (Object::set_target): Remove the version that looks up
11678         a target and sets it.
11679         (Sized_relobj::setup): Take a Target object instead of
11680         an elfcpp:Ehdr as parameter.
11681         * target.cc: Include dynobj.h.
11682         (Target::do_make_elf_object_implementation): New.
11683         (Target::do_make_elf_object): New.
11684         * target.h (Target::make_elf_object): New template declaration.
11685         (Target::do_make_elf_object): New method declarations.
11686         (Target::do_make_elf_object_implementation): New template declaration.
11687
11688 2009-08-14  Ian Lance Taylor  <iant@google.com>
11689
11690         * gold.h (FUNCTION_NAME): Define.
11691         (gold_unreachable): Use FUNCTION_NAME.
11692
11693 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
11694
11695         * icf.cc (Icf::find_identical_sections): Issue a warning when a
11696         symbol in the --keep-unique list is not found.
11697
11698 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
11699
11700         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
11701         been maked as --keep-unique.
11702         (Icf::unfold_section): New function.
11703         * icf.h (Icf::unfold_section): New function.
11704         * options.h (General_options::keep_unique): New option.
11705         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
11706         * testsuite/Makefile.in: Regenerate.
11707         * testsuite/icf_keep_unique_test.sh: New file.
11708         * testsuite/icf_keep_unique_test.cc: New file.
11709
11710 2009-08-12  Cary Coutant  <ccoutant@google.com>
11711
11712         PR 10471
11713         * resolve.cc (Symbol_table::resolve): Check for references from
11714         dynamic objects to hidden and internal symbols.
11715         * testsuite/Makefile.am (hidden_test.sh): New test.
11716         * testsuite/Makefile.in: Regenerate.
11717         * testsuite/hidden_test.sh: New script.
11718         * testsuite/hidden_test_1.c: New test source.
11719         * testsuite/hidden_test_main.c: New test source.
11720
11721 2009-08-11  Doug Kwan  <dougkwan@google.com>
11722
11723         * arm.cc: Update comments.
11724         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
11725         segment to locate the .ARM.exidx section if present.
11726
11727 2009-08-09  Doug Kwan  <dougkwan@google.com>
11728
11729         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
11730         patch.
11731
11732 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
11733         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
11734         compiler warnings.
11735
11736 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
11737
11738         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
11739         valid tls_segment only for non-debug-section relocations.
11740         * testsuite/Makefile.am: Add gc_tls_test.
11741         * testsuite/Makefile.in: Regenerate.
11742         * testsuite/gc_tls_test.cc: New file.
11743         * testsuite/gc_tls_test.sh: New file.
11744
11745 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
11746
11747         * icf.cc: New file.
11748         * icf.h: New file.
11749         * Makefile.am (CCFILES): Add icf.cc.
11750         (HFILES): Add icf.h
11751         * Makefile.in: Regenerate.
11752         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
11753         * gc.h (gc_process_relocs): Populate lists used by icf to contain
11754         section, symbol and addend information for the relocs.
11755         * gold.cc (queue_middle_tasks): Call identical code folding.
11756         * gold.h: Add defines for multimap.
11757         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
11758         to the call of finalize_local_symbols.
11759         * main.cc (main): Create object of class Icf.
11760         * object.cc (Sized_relobj::do_layout): Allow this function to be
11761         called twice during icf.
11762         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
11763         to sections marked as identical by icf.
11764         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
11765         when available.
11766         (Sized_relobj::do_section_entsize): New function.
11767         * object.h (Object::section_entsize): New function.
11768         (Object::do_section_entsize): New pure virtual function.
11769         (Relobj::finalize_local_symbols): Add new parameter.
11770         (Relobj::do_section_entsize): New function.
11771         * options.h (General_options::icf): New option.
11772         (General_options::icf_iterations): New option.
11773         (General_options::print_icf_sections): New option.
11774         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
11775         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
11776         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
11777         icf.
11778         * symtab.cc (Symbol_table::is_section_folded): New function.
11779         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
11780         to sections marked as identical by icf.
11781         * symtab.h (Symbol_table::set_icf): New function.
11782         (Symbol_table::icf): New function.
11783         (Symbol_table::is_section_folded): New function.
11784         (Symbol_table::icf_): New data member.
11785         * target-reloc.h (relocate_section): Ignore sections folded by icf.
11786         * testsuite/Makefile.am: Add commands to build icf_test.
11787         * testsuite/Makefile.in: Regenerate.
11788         * testsuite/icf_test.sh: New file.
11789         * testsuite/icf_test.cc: New file.
11790
11791 2009-07-24  Chris Demetriou  <cgd@google.com>
11792
11793         * layout.cc (is_compressible_debug_section): Fix incorrect
11794         comment about compressed section names.
11795
11796 2009-07-20  Ian Lance Taylor  <ian@airs.com>
11797
11798         PR 10419
11799         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
11800
11801 2009-07-16  Ian Lance Taylor  <iant@google.com>
11802
11803         PR 10400
11804         * layout.h: #include <map>.
11805         (class Kept_section): Change from struct to class.  Add accessors
11806         and setters.  Add section size to Comdat_group mapping.  Change
11807         Comdat_group to std::map.  Add is_comdat_ field.  Add
11808         linkonce_size field in union.
11809         (class Layout): Update declaration of find_or_add_kept_section.
11810         Don't declare find_kept_object.
11811         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
11812         parameter.  Add object, shndx, is_comdat, and is_group_name
11813         parameters.  Change all callers.  Adjust for new Kept_section.
11814         (Layout::find_kept_object): Remove.
11815         * object.cc (Sized_relobj::include_section_group): Update use of
11816         Kept_section.  Rename secnum to shndx.  Only record
11817         Kept_comdat_section if sections are the same size.
11818         (Sized_relobj::include_linkonce_section): Update use of
11819         Kept_section.  Only record Kept_comdat_section if sections are the
11820         same size.  Set size of linkonce section.
11821         (Sized_relobj::map_to_kept_section): Update call to
11822         get_kept_comdat_section.
11823         * object.h (class Sized_relobj): Rename fields in
11824         Kept_comdat_section to drop trailing underscores; change object
11825         field to Relobj*.  Change Kept_comdat_section_table to store
11826         struct rather than pointer.
11827         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
11828         Add kept_object and kept_shndx parameters.  Change all callers.
11829         (Sized_relobj::get_kept_comdat_section): Change return type to
11830         bool.  Add kept_object and kept_shndx parameters.  Change all
11831         callers.
11832         * plugin.cc (Pluginobj::include_comdat_group): Update call to
11833         Layout::find_or_add_kept_section.
11834
11835 2009-07-09  Ian Lance Taylor  <iant@google.com>
11836
11837         * merge.cc (Object_merge_map::initialize_input_to_output_map):
11838         Reserve space in the hash table.
11839
11840 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
11841
11842         * fileread.cc (File_read::get_mtime): New method.
11843         * fileread.h (Timespec): New structure.
11844         (File_read::get_mtime): New method.
11845         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
11846         Renamed from timestamp_nsec.
11847         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
11848         Elf_Xword.
11849         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
11850         timestamp_nsec.
11851         (Incremental_inputs::report_archive): Save mtime; style fix.
11852         (Incremental_inputs::report_obejct): Save mtime; style fix.
11853         (Incremental_inputs::report_script): Save mtime; style fix.
11854         (Incremental_inputs::finalize_inputs): Style fix.
11855         (Incremental_inputs::finalize): Style fix.
11856         (Incremental_inputs::create_input_section_data): Store inputs
11857         mtime.
11858         * incremental.h (Incremental_inputs::report_script): Add mtime
11859         argument.
11860         (Incremental_inputs::Input_info::Input_info): Intialize only one
11861         union member.
11862         (Incremental_inputs::Input_info::archive): Move to nameless
11863         union.
11864         (Incremental_inputs::Input_info::obejct): Move to nameless union.
11865         (Incremental_inputs::Input_info::script): Move to nameless union.
11866         (Incremental_inputs::mtime): New field.
11867         * script.cc (read_input_script): Pass file mtime to
11868         Incremental_input.
11869         * script.h (Script_info::inputs): Style fix.
11870
11871 2009-07-01  Ian Lance Taylor  <ian@airs.com>
11872
11873         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
11874         instead of 32.
11875
11876 2009-06-24  Ian Lance Taylor  <iant@google.com>
11877
11878         PR 10156
11879         * layout.cc (Layout::choose_output_section): If we find an
11880         existing section, update the flags.
11881         (Layout::create_notes): New function, broken out of
11882         Layout::finalize.
11883         (Layout::finalize): Don't create note sections.
11884         (Layout::create_note): Don't crash if linker script discards
11885         section.
11886         (Layout::create_gold_note): Likewise.
11887         (Layout::create_build_id): Likewise.  Don't set
11888         after_input_sections on the section.
11889         (Layout::create_executable_stack_info): Remove target parameter.
11890         Change caller.
11891         * layout.h (class Layout): Declare create_notes.  Update
11892         declaration of create_executable_stack_info.
11893         * gold.cc (queue_middle_tasks): Call create_notes.
11894         * output.cc (Output_section::update_flags_for_input_section): Move
11895         here from output.h.  If SHF_ALLOC flag is newly set, mark address
11896         invalid.
11897         * output.h (Output_data::mark_address_invalid): New function.
11898         (class Output_section): Only declare, not define,
11899         update_flags_for_input_section.  Remove set_flags.
11900
11901 2009-06-24  Ian Lance Taylor  <iant@google.com>
11902
11903         * script-sections.cc (Output_section_definition::
11904         set_section_addresses): Rename shadowing local load_address to
11905         laddr.
11906
11907 2009-06-24  Ian Lance Taylor  <iant@google.com>
11908
11909         PR 10244
11910         * reloc.cc (relocate_sections): Skip empty relocation sections.
11911
11912 2009-06-23  Ian Lance Taylor  <iant@google.com>
11913
11914         PR 10156
11915         * layout.cc (Layout::create_note): Use choose_output_section
11916         rather than make_output_section.
11917
11918 2009-06-23  Ian Lance Taylor  <iant@google.com>
11919
11920         PR 10237
11921         * options.cc (General_options::parse_V): Set printed_version_.
11922         (General_options::General_options): Initialize printed_version_.
11923         * options.h (class General_options): Add printed_version_ field.
11924         * gold.cc (queue_initial_tasks): If there are no input files,
11925         don't give a fatal error if we printed the version information.
11926         (queue_middle_tasks): If using -r with a shared object, give a
11927         fatal error rather than an ordinary error.
11928
11929 2009-06-23  Ian Lance Taylor  <iant@google.com>
11930
11931         PR 10219
11932         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
11933         (Layout::make_output_section): Set have_stabstr_section_ if we see
11934         a .stab*str section.
11935         (Layout::finalize): Call link_stabs_sections.
11936         (Layout::link_stabs_sections): New file.
11937         * layout.h (class Layout): Add have_stabstr_section_ field.
11938         Declare link_stabs_sections.
11939
11940 2009-06-23  Doug Kwan  <dougkwan@google.com>
11941
11942         * Makefile.am (libgold_a_LIBADD): New.
11943         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
11944         * Makefile.in: Regenerate.
11945         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
11946         * configure: Regenerate.
11947         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
11948         * fileread.cc: Include sys/state.h
11949         * gold.h: Declare memmem and strndup if found missing.
11950         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
11951
11952 2009-06-23  Ian Lance Taylor  <iant@google.com>
11953
11954         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
11955         * configure: Rebuild.
11956
11957 2009-06-23  Ian Lance Taylor  <iant@google.com>
11958
11959         PR 10147
11960         * object.cc (Object::section_contents): Don't try to get a view if
11961         the section has length zero.
11962         (Object::handle_gnu_warning_section): If the section is empty, use
11963         the name of the section as the warning.
11964
11965 2009-06-23  Ian Lance Taylor  <iant@google.com>
11966
11967         PR 10133
11968         * stringpool.h (class Stringpool_template): Add optimize_ field.
11969         (Stringpool_template::set_optimize): New function.
11970         * stringpool.cc (Stringpool_template::Stringpool_template):
11971         Initialize optimize_ field.
11972         (Stringpool_template::set_string_offsets): Test local optimize
11973         fild rather than parameter.
11974         * layout.cc (Layout::Layout): Call set_optimize on the section
11975         name stringpool.
11976
11977 2009-06-22  Ian Lance Taylor  <iant@google.com>
11978
11979         PR 10030
11980         * yyscript.y: Parse TARGET.
11981         * script.cc (script_set_target): New function.
11982         * script-c.h (script_set_target): Declare.
11983         * options.cc (General_options::string_to_object_format): Rename
11984         from string_to_object_format in anonymous namespace.  Change
11985         callers.
11986         * options.h (class General_options): Declare
11987         string_to_object_format.
11988
11989 2009-06-22  Ian Lance Taylor  <iant@google.com>
11990
11991         * script-sections.cc (Script_sections::create_segments): Don't put
11992         program headers in a PT_LOAD segment if -n or -N.
11993
11994 2009-06-22  Ian Lance Taylor  <iant@google.com>
11995
11996         PR 10141
11997         * options.h (class General_options): Add -z lazy and -z now.  Sort
11998         -z options into alphabetical order.
11999         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
12000
12001 2009-06-21  Ian Lance Taylor  <iant@google.com>
12002
12003         * layout.cc (Layout::make_output_section): Call
12004         Target::new_output_section.
12005         (Layout::attach_allocated_section_to_segment): Put large section
12006         sections in a separate load segment with the large segment flag
12007         set.
12008         (Layout::segment_precedes): Sort large data segments after other
12009         load segments.
12010         (align_file_offset): New static function.
12011         (Layout::set_segment_offsets): Use align_file_offset.
12012         * output.h (class Output_section): Add is_small_section_ and
12013         is_large_section_ fields.
12014         (Output_section::is_small_section): New function.
12015         (Output_section::set_is_small_section):  New function.
12016         (Output_section::is_large_section): New function.
12017         (Output_section::set_is_large_section): New function.
12018         (Output_section::is_large_data_section): New function.
12019         (class Output_segment): Add is_large_data_segment_ field.
12020         (Output_segment::is_large_data_segment): New function.
12021         (Output_segment::set_is_large_data_segment): New function.
12022         * output.cc (Output_section::Output_section): Initialize new
12023         fields.
12024         (Output_segment::Output_segment): Likewise.
12025         (Output_segment::add_output_section): Add assertion that large
12026         data sections always go in large data segments.  Force small data
12027         sections to the end of the list of data sections.  Force small BSS
12028         sections to the start of the list of BSS sections.  For large BSS
12029         sections to the end of the list of BSS sections.
12030         * symtab.h (class Symbol): Declare is_common_shndx.
12031         (Symbol::is_defined): Check Symbol::is_common_shndx.
12032         (Symbol::is_common): Likewise.
12033         (class Symbol_table): Define enum Commons_section_type.  Update
12034         declarations.  Add small_commons_ and large_commons_ fields.
12035         * symtab.cc (Symbol::is_common_shndx): New function.
12036         (Symbol_table::Symbol_table): Initialize new fields.
12037         (Symbol_table::add_from_object): Put small and large common
12038         symbols in the right list.
12039         (Symbol_table::sized_finalized_symbol): Check
12040         Symbol::is_common_shndx.
12041         (Symbol_table::sized_write_globals): Likewise.
12042         * common.cc (Symbol_table::do_allocate_commons): Allocate new
12043         common symbol lists.  Don't call do_allocate_commons_list if the
12044         list is empty.
12045         (Symbol_table::do_allocate_commons_list): Remove is_tls
12046         parameter.  Add comons_section_type parameter.  Change all
12047         callers.  Handle small and large common symbols.
12048         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
12049         Symbol::is_common_shndx.
12050         * resolve.cc (symbol_to_bits): Likewise.
12051         * target.h (Target::small_common_shndx): New function.
12052         (Target::small_common_section_flags): New function.
12053         (Target::large_common_shndx): New function.
12054         (Target::large_common_section_flags): New function.
12055         (Target::new_output_section): New function.
12056         (Target::Target_info): Add small_common_shndx, large_common_shndx,
12057         small_common_section_flags, and large_common_section_flags
12058         fields.
12059         (Target::do_new_output_section): New virtual function.
12060         * arm.cc (Target_arm::arm_info): Initialize new fields.
12061         * i386.cc (Target_i386::i386_info): Likewise.
12062         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
12063         Likewise.
12064         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
12065         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12066         (Target_x86_64::do_new_output_section): New function.
12067         * configure.ac: Define conditional MCMODEL_MEDIUM.
12068         * testsuite/Makefile.am (check_PROGRAMS): Add large.
12069         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
12070         (large_LDFLAGS): Define.
12071         * testsuite/large.c: New file.
12072         * testsuite/testfile.cc (Target_test::test_target_info):
12073         Initialize new fields.
12074         * configure, testsuite/Makefile.in: Rebuild.
12075
12076 2009-06-05  Doug Kwan  <dougkwan@google.com>
12077
12078         * Makefile.am (CCFILES): Add target.cc.
12079         * Makefile.in: Regenerate.
12080         * i386.cc (class Target_i386): Define new virtual method to
12081         override do_is_local_label_name in parent.
12082         * object.cc (Sized_relobj::do_count_local_symbols): Discard
12083         local symbols if --discard-locals or -X is given.
12084         * options.h (class General_options): Declare new options
12085         '--discard-locals' and '-X' for discarding locals.
12086         * target.h (class Target): Define new methods is_local_label_name.
12087         Declare new virtual method do_is_local_label_name.
12088         * target.cc: New file.
12089         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
12090         (check_SCRIPTS): Add discard_locals_test.sh.
12091         (check_DATA): Add discard_local_tests.syms.
12092         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
12093         (discard_local_tests.syms, discard_locals_test.o): New make rules.
12094         * testsuite/Makefile.in: Regenerate.
12095         * testsuite/discard_locals_test.c: New file.
12096         * testsuite/discard_locals_test.sh: Same.
12097
12098 2009-06-05  Doug Kwan  <dougkwan@google.com>
12099
12100         * object.cc (Sized_relobj::Sized_relobj): Initialize
12101         discarded_eh_frame_shndx_ to -1U.
12102         (Sized_relobj::do_layout): Record index of a discard .eh_frame
12103         section.
12104         (Sized_relobj::do_count_local_symbols): Skip local symbols in
12105         a discarded .eh_frame section.
12106         (Sized_relobj::do_finalize_local_symbols): Ditto.
12107         * object.h (class Sized_relobj): Declare new member
12108         discarded_eh_frame_shndx_.
12109         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
12110         (local_labels_test.o, local_labels_test): New rules.
12111         * testsuite/Makefile.in: Regenerate.
12112
12113 2009-06-04  Doug Kwan  <dougkwan@google.com>
12114
12115         * layout.cc (Layout::section_name_mapping): Add mapping for
12116         special ARM sections.
12117
12118 2009-06-03  Doug Kwan  <dougkwan@google.com>
12119
12120         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
12121         (utils::has_overflow): Same.
12122
12123 2009-06-03  Ian Lance Taylor  <iant@google.com>
12124
12125         * layout.cc (Layout::section_name_mapping): New array, replacing
12126         Layout::linkonce_mapping.
12127         (Layout::section_name_mapping_count): New variable, replacing
12128         Layout::linkonce_mapping_count.
12129         (Layout::linkonce_output_name): Remove.
12130         (Layout::output_section_name): Rewrite.
12131         * layout.h (class Layout): Rename Linkonce_mapping to
12132         Section_name_mapping, linkonce_mapping to section_name_mapping,
12133         linkonce_mapping_count to section_name_mapping_count.  Don't
12134         declare linkonce_output_name.
12135
12136 2009-06-03  Doug Kwan  <dougkwan@google.com>
12137
12138         * gold/arm.cc (namespace utils): New.
12139         (Target_arm::reloc_is_non_pic): Define new method.
12140         (class Arm_relocate_functions): New.
12141         (Target_arm::Relocate::relocate): Handle relocation types used by
12142         Android.
12143
12144 2009-06-03  Ian Lance Taylor  <iant@google.com>
12145
12146         * arm.cc (Target_arm::scan::global): Use || instead of |.
12147
12148 2009-06-02  Doug Kwan  <dougkwan@google.com>
12149
12150         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
12151         issued_non_pic_error_.
12152         (class Target_arm::Scan): Declare new method check_non_pic.
12153         Define new method symbol_needs_plt_entry.
12154         Declare new data member issued_non_pic_error_.
12155         (class Target_arm::Relocate): Declare new method
12156         should_apply_static_reloc.
12157         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
12158         (Target_arm::Scan::check_non_pic): Define new method.
12159         (Target_arm::Scan::local): Handle a small subset of reloc types used
12160         by Android.
12161         (Target_arm::Scan::local): Same.
12162         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
12163
12164 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
12165
12166         * incremental.cc (Incremental_inputs::report_command_line): Filter
12167         out --incremental-* options.
12168
12169 2009-05-29  Doug Kwan  <dougkwan@google.com>
12170
12171         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
12172         template class.
12173         (class Target_arm): Update comment.
12174         (Target_arm::Target_arm): Initialize new data members GOT_,
12175         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
12176         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
12177         and Target_arm::rel_dyn_section.
12178         Declare new_enum Target_arm::Got_type.
12179         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
12180         and DYNBSS_.
12181         Update commments for member do_dynsym_value.
12182         (Target_arm::got_size, Target_arm::plt_section,
12183         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
12184         new methods inside class defintion.
12185         (Target_arm::got_section): Define new method.
12186         (Target_arm::rel_dyn_section): Same.
12187         (Output_data_plt_arm): New template class.
12188         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
12189         (Output_data_plt_arm:do_adjust_output_section): Define new method.
12190         (Output_data_plt_arm::add_entry): Same.
12191         (Output_data_plt_arm::first_plt_entry): Define new
12192         static data member for PLT instruction template.
12193         (Output_data_plt_arm::plt_entry): Same.
12194         (Output_data_plt_arm::do_write): Define new method.
12195         (Target_arm::make_plt_entry): Same.
12196         (Target_arm::do_finalize_sections): Same.
12197         (Target_arm::do_dynsym_value): Same.
12198
12199 2009-05-28  Doug Kwan  <dougkwan@google.com>
12200
12201         * Makefile.am (TARGETSOURCES): Add arm.cc.
12202         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
12203         * Makefile.in: Regenerate.
12204         * arm.cc: New file.
12205         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
12206
12207 2009-05-26  Doug Kwan  <dougkwan@google.com>
12208
12209         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
12210         (General_options::check_excluded_libs): Strip off directories in
12211         archive name before matching like GNU ld does.
12212         * testsuite/Makefile.am (MOSTLYCLEANFILES,
12213         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
12214         (exclude_libs_test_LDFLAGS): Add linker option
12215         -Wl,--exclude-libs,libexclude_libs_test_3
12216         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
12217         an explicit archive without using -l.
12218         (alt/libexclude_libs_test_3.a): New make rule.
12219         * testsuite/Makefile.in: Regenerate.
12220         * testsuite/exclude_libs_test.c : Declare lib3_default().
12221         (main): Call it.
12222         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
12223         * exclude_libs_test_3.c: New file.
12224
12225 2009-05-26  Nick Clifton  <nickc@redhat.com>
12226
12227         * po/id.po: New Indonesian translation.
12228         * po/gold.pot: Updated template file.
12229
12230 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
12231
12232         * testsuite/Makefile.am: Add -ffunction-sections to compile
12233         gc_comdat_test files.  Add -Wl,--gc-sections to build
12234         gc_comdat_test.
12235         * testsuite/Makefile.in: Regenerate.
12236         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
12237
12238 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
12239
12240         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
12241         kept comdat section was garbage collected.
12242         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
12243         * testsuite/Makefile.in: Regenerate.
12244         * testsuite/gc_comdat_test.sh: New file.
12245         * testsuite/gc_comdat_test_1.cc: New file.
12246         * testsuite/gc_comdat_test_2.cc: New file.
12247
12248 2009-05-19  Doug Kwan  <dougkwan@google.com>
12249
12250         * archive.cc (Archive::Archive): Move constructor from archive.h
12251         to here.  Initialize no_export_.
12252         (Archive::get_elf_object_for_member): Set no_export flag of object.
12253         * archive.h (Archive::Archive): Move constructor body to
12254         archive.cc.
12255         (Archive::no_export): New method.
12256         (Archive::no_export_): New field.
12257         * object.h (Object::Object): Initialize no_export_ to false.
12258         (Object::no_export, Object::set_no_export): New methods.
12259         (Object::no_export_): New field.
12260         * options.cc (General_options::parse_exclude_libs): New method.
12261         (General_options::check_excluded_libs) Same.
12262         * options.h (exclude_libs): New option.
12263         (General_options::check_excluded_libs): New method declaration.
12264         (General_options::excluded_libs_): New field.
12265         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
12266         default or protected visibility if an object has no-export flag set.
12267         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
12268         (check_SCRIPTS): Add exclude_libs_test.sh.
12269         (check_DATA): Add exclude_libs_test.syms.
12270         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
12271         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
12272         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
12273         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
12274         (exclude_libs_test.syms, libexclude_libs_test_1.a,
12275         libexclude_libs_test_2.a): New rules.
12276         * testsuite/Makefile.in: Regenerate.
12277         * testsuite/exclude_libs_test.c: New file.
12278         * testsuite/exclude_libs_test.sh: Ditto.
12279         * testsuite/exclude_libs_test_1.c: Ditto.
12280         * testsuite/exclude_libs_test_2.c: Ditto.
12281
12282 2009-05-15  Ian Lance Taylor  <iant@google.com>
12283
12284         * configure.ac: Check for declarations for cases where libiberty.h
12285         checks HAVE_DECL_xxx.
12286         * configure, config.in: Rebuild.
12287
12288 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
12289
12290         * gold.h (Incremental_argument_list): Remove (invalid) forward
12291         declaration.
12292         * incremental.cc (Incremental_inputs::report_achive): New method.
12293         (Incremental_inputs::report_object): New method.
12294         (Incremental_inputs::report_script): New method.
12295         (Incremental_inputs::finalize_inputs): New method.
12296         (Incremental_inputs::finalize): Call finalize_inputs().
12297         (Incremental_inputs::sized_create_incremental_inputs_section_data):
12298         Create inputs entries.
12299         * incremental.h (Incremental_input_type): New enum.
12300         (Incremental_inputs::Incremental_input): Initialize new fields.
12301         (Incremental_inputs::report_inputs): New method.
12302         (Incremental_inputs::report_achive): New method.
12303         (Incremental_inputs::report_object): New method.
12304         (Incremental_inputs::report_script): New method.
12305         (Incremental_inputs::finalize_inputs): New method.
12306         (Incremental_inputs::Input_info): New struct.
12307         (Incremental_inputs::Input_info_map): New typedef.
12308         (Incremental_inputs::lock_): New field.
12309         (Incremental_inputs::Inputs_): New field.
12310         (Incremental_inputs::Inputs_map): New field.
12311         * main.cc (main): Call Incremental_input::report_inputs.
12312         * options.h (Input_argument_list): Typedef moved from
12313         Input_arguments.
12314         (Input_file_group::Files): Remove, use ::Input_argument_list.
12315         (Input_file_group::Input_argument_list): Remove, use
12316         ::Input_argument_list.
12317         * plugin.cc (Plugin_manager::add_input_file): Add error in
12318         incremental build.
12319         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
12320         functions.
12321         * script.cc (read_input_script): Call
12322         Incremental_input::report_script.
12323         * script.h (Script_info): New class.
12324
12325 2009-04-27  Ian Lance Taylor  <iant@google.com>
12326
12327         * x86_64.cc (do_adjust_output_section): Set entsize to
12328         plt_entry_size.
12329
12330 2009-04-23  Elliott Hughes  <enh@google.com>
12331
12332         * output.cc (Output_file::close): After short writes, continue
12333         writing from the correct offset in the buffer being written.
12334
12335 2009-04-23  Chris Demetriou  <cgd@google.com>
12336
12337         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
12338         * configure: Regenerate.
12339         * config.in: Regenerate.
12340         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
12341         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
12342
12343 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
12344
12345         * incremental.cc (Incremental_inputs_header_data): Renamed from
12346         Incremental_input_header_data.
12347         (Incremental_inputs_header_data::data_size): New field.
12348         (Incremental_inputs_header_data::put_input_file_count): Renamed
12349         from input_file_count.
12350         (Incremental_inputs_header_data::put_command_line_offset): Renamed
12351         from command_line_offset.
12352         (Incremental_inputs_header_data::put_reserved): Renamed from
12353         put_reserved.
12354         (Incremental_inputs_entry_data): Renamed from
12355         Incremental_input_entry_data.
12356         (Incremental_inputs_entry_data::data_size): New field.
12357         (Incremental_inputs::report_command_line): New method.
12358         (Incremental_inputs::finalize): New method.
12359         (Incremental_inputs::create_incremental_inputs_data): New method.
12360         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
12361         * incremental.h: New file.
12362         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
12363         (Layout::finalize): Create incremental inputs section in
12364         incremental builds.
12365         (Layout::create_incremental_info_sections): New method.
12366         * layout.h (Layout::incremental_inputs): New method.
12367         (Layout::create_incremental_info_sections): New method.
12368         (Layout::incremental_inputs_): New field.
12369         * main.cc (main): Notify Incremental_input of the command line.
12370
12371 2009-04-01  Ian Lance Taylor  <iant@google.com>
12372             Mikolaj Zalewski  <mikolajz@google.com>
12373
12374         * gold.h (reserve_unordered_map): Define, three versions, one for
12375         each version of Unordered_map.
12376         * layout.cc (Layout::Layout): Remove options parameter.  Add
12377         number_of_input_files parameter.  Don't initialize options_.
12378         Initialize number_of_input_files_ and resized_signatures_.  Move
12379         sections_are_attached_.
12380         (Layout::layout_group): Reserve space for group_signatures_.
12381         (Layout::find_or_add_kept_section): Change name parameter to be a
12382         reference.  Resize signatures_ map when it gets large enough.
12383         (Layout::layout_eh_frame): Use parameters->options() instead of
12384         this->options_.
12385         (Layout::make_output_section): Likewise.
12386         (Layout::attach_allocated_section_to_segment): Likewise.
12387         (Layout::finalize, Layout::create_executable_stack): Likewise.
12388         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
12389         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
12390         * layout.h (class Layout): Update declarations.  Remove options_
12391         field.  Add number_of_input_files_ and resized_signatures_
12392         fields.  Move sections_are_attached_ field.
12393         * main.cc (main): Pass number of input files to Layout
12394         constructor.  Don't pass options.
12395
12396 2009-03-30  Ian Lance Taylor  <iant@google.com>
12397
12398         * ffsll.c (ffsll): Correct implementation.
12399
12400 2009-03-27  Ian Lance Taylor  <iant@google.com>
12401
12402         * ffsll.c: New file.
12403         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
12404         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
12405         * ftruncate.c (ftruncate): Declare before definition.
12406         * mremap.c (mremap): Likewise.
12407         * pread.c (pread): Likewise.
12408         * configure, Makefile.in, config.in: Rebuild.
12409
12410         * mremap.c: New file.
12411         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
12412         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
12413         (mremap): Declare if HAVE_MREMAP is not defined.
12414         * configure, Makefile.in, config.in: Rebuild.
12415
12416 2009-03-27  Cary Coutant  <ccoutant@google.com>
12417
12418         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
12419         position independent.
12420         * sparc.cc (Target_sparc::check_non_pic): Likewise.
12421         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
12422
12423 2009-03-24  Cary Coutant  <ccoutant@google.com>
12424
12425         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
12426         an executable.
12427         (needs_dynamic_reloc): Likewise.
12428
12429 2009-03-24  Ian Lance Taylor  <iant@google.com>
12430
12431         * yyscript.y (file_cmd): Recognize EXTERN.
12432         (extern_name_list, extern_name_list_body): New nonterminals.
12433         * script.cc (script_add_extern): Define.
12434         * script-c.h (script_add_extern): Declare.
12435
12436 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
12437
12438         * object.cc (is_elf_object): Define.
12439         * object.h (is_elf_object): Declare.
12440         * archive.cc (Archive::get_elf_object_for_member): Call
12441         is_elf_object.
12442         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
12443
12444 2009-03-24  Elliott Hughes  <enh@google.com>
12445
12446         * output.cc (Output_file::map_anonymous): Define.
12447         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
12448         try an anonymous one.  Report the size if the mmap fails.
12449         * output.h (class Output_file): Declare map_anonymous.
12450
12451 2009-03-24  Ian Lance Taylor  <iant@google.com>
12452
12453         * target-select.cc (instantiate_target): Don't acquire the lock if
12454         the instantiated_target_ field has already been set.
12455
12456 2009-03-23  Ian Lance Taylor  <iant@google.com>
12457
12458         * gold-threads.h (class Initialize_lock): Define.
12459         * gold-threads.cc (class Initialize_lock_once): Define.
12460         (initialize_lock_control): New static variable.
12461         (initialize_lock_pointer): New static variable.
12462         (initialize_lock_once): New static function.
12463         (Initialize_lock::Initialize_lock): Define.
12464         (Initialize_lock::initialize): Define.
12465         * target-select.h: Include "gold-threads.h".
12466         (class Target_selector): Add lock_ and initialize_lock_ fields.
12467         Don't define instantiate_target, just declare it.
12468         * target-select.cc (Target_selector::Target_selector): Initialize
12469         new fields.
12470         (Target_selector::instantiate_target): Define.
12471         * descriptors.h: Include "gold-threads.h".
12472         (class Descriptors): Add initialize_lock_ field.
12473         * descriptors.cc (Descriptors::Descriptors): Initialize new
12474         field.
12475         (Descriptors::open): Use initialize_lock_ field
12476         * errors.h (class Errors): Add initialize_lock_ field.
12477         * errors.cc (Errors::Errors): Initialize new field.
12478         (Errors::initialize_lock): Use initialize_lock_ field.
12479         * powerpc.cc (class Target_selector_powerpc): Remove
12480         instantiated_target_ field.  In do_recognize call
12481         instantiate_target rather than do_instantiate_target.  In
12482         do_instantiate_target just allocate a new target.
12483         * sparc.cc (class Target_selector_sparc): Likewise.
12484
12485         * freebsd.h: New file.
12486         * i386.cc: Include "freebsd.h".
12487         (Target_i386): Derive from Target_freebsd rather than
12488         Sized_target.
12489         (Target_selector_i386): Derive from Target_selector_freebsd rather
12490         than Target_selector.
12491         * x86_64.cc: Include "freebsd.h".
12492         (Target_x86_64): Derive from Target_freebsd rather than
12493         Sized_target.
12494         (Target_selector_x86_64): Derive from Target_selector_freebsd
12495         rather than Target_selector.
12496         * target.h (class Target): Add adjust_elf_header and
12497         do_adjust_elf_header.
12498         * output.cc (Output_file_header:: do_sized_write): Call target
12499         adjust_elf_header routine.
12500         * configure.tgt: Set targ_osabi.
12501         * configure.ac: Define GOLD_DEFAULT_OSABI.
12502         * parameters.cc (Parameters::default_target): Pass
12503         GOLD_DEFAULT_OSABI to select_target.
12504         * target-select.h (class Target_selector): Make instantiate_target
12505         protected rather than private.
12506         * Makefile.am (HFILES): Add freebsd.h.
12507         * configure, Makefile.in, config.in: Rebuild.
12508
12509         * merge.cc (do_add_input_section): Correct pend value.  Change
12510         message about last entry not being null terminated from error to
12511         warning.
12512
12513 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
12514
12515         * incremental.cc: New file.
12516         * Makefile.am (CCFILES): Add incremental.cc.
12517         * Makefile.in: Rebuild.
12518
12519 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
12520
12521         * layout.cc (Layout::output_section_name): Preserve names
12522         of '.note.' sections.
12523
12524 2009-03-19  Ian Lance Taylor  <iant@google.com>
12525
12526         * descriptors.cc (Descriptors::open): Check that the options are
12527         valid before using them.
12528
12529 2009-03-18  Ian Lance Taylor  <iant@google.com>
12530
12531         * script-sections.h: Include <list>.
12532         (class Script_sections): Change Sections_elements from std::vector
12533         to std::list.  Typedef public Elements_iterator.  Add
12534         orphan_section_placement_, data_segment_align_start_, and
12535         saw_data_segment_align_ fields.  Remove data_segment_align_index_
12536         field.
12537         * script-sections.cc (class Orphan_section_placement): New class.
12538         (class Sections_element): Add virtual functions is_relro and
12539         orphan_section_init.  Remove virtual function place_orphan_here.
12540         (class Output_section_definition): Add is_relro and
12541         orphan_section_init.  Remove place_orphan_here.
12542         (class Orphan_output_section): Likewise.
12543         (Script_sections::Script_sections): Update for field changes.
12544         (Script_sections::data_segment_align): Set saw_data_segment_align_
12545         and data_segment_align_start_, not data_segment_align_index.
12546         (Script_sections::data_segment_relro_end): Check
12547         saw_data_segment_align_.  Use data_segment_align_start_ rather
12548         than data_segment_align_index_.
12549         (Script_sections::place_orphan): Rewrite to use
12550         Orphan_section_placement.
12551
12552 2009-03-17  Ian Lance Taylor  <iant@google.com>
12553
12554         * archive.cc (Archive::add_symbols): Check for a version attached
12555         to the symbol name in the archive map.
12556         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
12557         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
12558         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
12559         (ver_test_11.a): New target.
12560         * testsuite/Makefile.in: Rebuild.
12561
12562         * configure.ac: Check for chsize and posix_fallocate.  Replace
12563         ftruncate.
12564         * ftruncate.c: New file, from gnulib.
12565         * output.cc (posix_fallocate): Define dummy version if not
12566         HAVE_POSIX_FALLOCATE.
12567         (Output_file::map): Call posix_fallocate rather than lseek and
12568         write.
12569         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
12570         * configure, Makefile.in, config.in: Rebuild.
12571
12572 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
12573
12574         * layout.h (Layout::create_note): Add section_name parameter.
12575         * layout.cc (Layout::create_note): Likewise.
12576         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
12577
12578 2009-03-17  Ian Lance Taylor  <iant@google.com>
12579
12580         * descriptors.cc: Include "options.h".
12581         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
12582         (Descriptors::open): Always use O_CLOEXEC when opening a new
12583         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
12584         then set FD_CLOEXEC.
12585
12586         * sparc.cc (class Target_sparc): Add has_got_section.
12587         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
12588         make sure we have a GOT section.
12589
12590         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
12591         (Target_sparc::Scan::local): Likewise.
12592         (Target_sparc::Scan::global): Likewise.
12593         (Target_sparc::Relocate::relocate): Likewise.
12594         (Target_sparc::Relocate::relocate_tls): Likewise.
12595
12596         * symtab.cc (Symbol_table::define_default_version): New function,
12597         broken out of add_from_object.
12598         (Symbol_table::add_from_object): Call define_default_version.
12599         (Symbol_table::define_special_symbol): Add resolve_oldsym
12600         parameter.  Change all callers.  If the version for a symbol comes
12601         from a version script, resolve it with the symbol with the same
12602         name with no version.  Also add the symbol without a version if
12603         appropriate.
12604         (do_define_in_output_data): If resolving with oldsym, don't delete
12605         sym.
12606         (do_define_in_output_segment): Likewise.
12607         (do_define_as_constant): Likewise.
12608         * symtab.h (class Symbol_table): Update declarations.
12609
12610 2009-03-13  Ian Lance Taylor  <iant@google.com>
12611
12612         * readsyms.cc (Read_symbols::incompatible_warning): New function.
12613         (Read_symbols::requeue): New function.
12614         (Read_symbols::do_read_symbols): If make_elf_object fails because
12615         the target type is not configured, and the file was searched for,
12616         issue a warning and retry with the next directory.
12617         (Add_symbols::run): If the file has an incompatible format, and
12618         it was searched for, requeue the Read_symbols task.  On error,
12619         release the object.
12620         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
12621         dirindex parameter to constructor.  Change all callers.  Declare
12622         incompatible_warning and requeue.
12623         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
12624         input_argument_ and input_group_ fields.  Add them to
12625         constructor.  Change all callers.
12626         (class Read_script): Add dirindex_ field.  Add it to constructor.
12627         Change all callers.
12628         * archive.cc (Archive::setup): Remove input_objects parameter.
12629         Change all callers.
12630         (Archive::get_file_and_offset): Likewise.
12631         (Archive::read_all_symbols): Likewise.
12632         (Archive::read_symbols): Likewise.
12633         (Archive::get_elf_object_for_member): Remove input_objects
12634         parameter.  Add punconfigured parameter.  Change all callers.
12635         (Archive::add_symbols): Change return type to bool.  Check return
12636         value of include_member.
12637         (Archive::include_all_members): Likewise.
12638         (Archive::include_member): Change return type to bool.  Return
12639         false if first included object has incompatible target.  Set
12640         included_member_ field.
12641         (Add_archive_symbols::run): If add_symbols returns false, requeue
12642         Read_symbols task.
12643         * archive.h (class Archive): Add included_member_ field.
12644         Initialize it in constructor.  Add input_file and searched_for
12645         methods.  Update declarations.
12646         (class Add_archive_symbols): Add dirpath_, dirindex_, and
12647         input_argument_ fields.  Add them to constructor.  Change all
12648         callers.
12649         * script.cc: Include "target-select.h".
12650         (class Parser_closure): Add skip_on_incompatible_target_ and
12651         found_incompatible_target_ fields.  Add
12652         skip_on_incompatible_target parameter to constructor.  Change all
12653         callers.  Add methods skip_on_incompatible_target,
12654         clear_skip_on_incompatible_target, found_incompatible_target, and
12655         set_found_incompatible_target.
12656         (read_input_script): Add dirindex parameter.  Change all callers.
12657         If parser finds an incompatible target, requeue Read_symbols
12658         task.
12659         (script_set_symbol): Clear skip_on_incompatible_target in
12660         closure.
12661         (script_add_assertion, script_parse_option): Likewise.
12662         (script_start_sections, script_add_phdr): Likewise.
12663         (script_check_output_format): New function.
12664         * script.h (read_input_script): Update declaration.
12665         * script-c.h (script_check_output_format): Declare.
12666         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
12667         (ignore_cmd): Remove OUTPUT_FORMAT.
12668         * fileread.cc (Input_file::Input_file): Add explicit this.
12669         (Input_file::will_search_for): New function.
12670         (Input_file::open): Add pindex parameter.  Change all callers.
12671         * fileread.h (class Input_file): Add input_file_argument method.
12672         Declare will_search_for.  Update declarations.
12673         * object.cc (make_elf_object): Add punconfigured parameter.
12674         Change all callers.
12675         * object.h (class Object): Make input_file public.  Add
12676         searched_for method.
12677         (make_elf_object): Update declaration.
12678         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
12679         restart search.
12680         * dirsearch.h (class Dirsearch): Update declaration.
12681         * options.h (class General_options): Add --warn-search-mismatch.
12682         * parameters.cc (Parameters::is_compatible_target): New function.
12683         * parameters.h (class Parameters): Declare is_compatible_target.
12684         * workqueue.cc (Workqueue::add_blocker): New function.
12685         * workqueue.h (class Workqueue): Declare add_blocker.
12686
12687         * fileread.cc (Input_file::open): Remove options parameter.
12688         Change all callers.
12689         (Input_file::open_binary): Likewise.
12690         * script.cc (read_input_script): Likewise.
12691         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
12692         options parameter from constructor.  Change all callers.
12693         (class Read_script): Likewise.
12694         * fileread.h (class Input_file): Update declarations.
12695         * script.h (read_input_script): Update declaration.
12696
12697 2009-03-10  Nick Clifton  <nickc@redhat.com>
12698
12699         * po/es.po: New Spanish translation.
12700
12701 2009-03-06  Cary Coutant  <ccoutant@google.com>
12702
12703         * options.cc (parse_short_option): Keep dash_z from registering itself.
12704
12705 2009-03-03  Ian Lance Taylor  <iant@google.com>
12706
12707         PR 9918
12708         * target-reloc.h (relocate_section): Pass output_section to
12709         relocate.
12710         * i386.cc (Target_i386::should_apply_static_reloc): Add
12711         output_section parameter.  Change all callers.
12712         (Target_i386::Relocate::relocate): Add output_section parameter.
12713         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
12714         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
12715         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
12716         * testsuite/two_file_shared.sh: New script.
12717         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
12718         (check_DATA): Add two_file_shared.dbg.
12719         (two_file_shared.dbg): New target.
12720         * testsuite/Makefile.in: Rebuild.
12721
12722 2009-03-01  Ian Lance Taylor  <iant@google.com>
12723
12724         * configure.ac: Check for byteswap.h.
12725         * configure: Rebuild.
12726         * config.in: Rebuild.
12727
12728 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
12729
12730         * layout.cc (Layout::find_or_add_kept_section): New function.
12731         (Layout::add_comdat): Removed.
12732         * layout.h (struct Kept_section): Move out of class Layout.
12733         Remove trailing underscores from field names.  Add group_sections
12734         field.  Rename group_ field to is_group.  Change all uses.
12735         (class Layout): Declare find_or_add_kept_section, not add_comdat.
12736         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
12737         comdat_groups_ field.
12738         (Sized_relobj::include_section_group): Use
12739         find_or_add_kept_section and Kept_section::group_sections.
12740         (Sized_relobj::include_linkonce_section): Likewise.
12741         * object.cc (class Sized_relobj): Don't define Comdat_group or
12742         Comdat_group_table.  Remove find_comdat_group and
12743         add_comdat_group.  Remove comdat_groups_ field.
12744         * plugin.cc (include_comdat_group): Use
12745         Layout::find_or_add_kept_section.
12746
12747 2009-02-28  Ian Lance Taylor  <iant@google.com>
12748
12749         * README: --gc-sections and map files are now supported.  Document
12750         some build requirements.
12751
12752         PR 6992
12753         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
12754         relocatable link set the value of the section symbol to zero.
12755         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
12756         relocatable link don't include the section address in the local
12757         symbol value.
12758
12759 2009-02-27  Ian Lance Taylor  <iant@google.com>
12760
12761         PR 6811
12762         * options.h (class Search_directory): Add is_system_directory.
12763         (class General_options): Declare is_in_system_directory.
12764         * options.cc (get_relative_sysroot): Make static.
12765         (get_default_sysroot): Make static.
12766         (General_optoins::is_in_system_directory): New function.
12767         * fileread.cc (Input_file::is_in_system_directory): New function.
12768         * fileread.h (class Input_file): Declare is_in_system_directory.
12769         * object.h (class Object): Add is_in_system_directory.
12770         (class Input_objects): Remove system_library_directory_ field.
12771         * object.cc (Input_objects::add_object): Don't set
12772         system_library_directory_.
12773         (input_objects::found_in_system_library_directory): Remove.
12774         * symtab.cc (Symbol_table::write_globals): Remove input_objects
12775         parameter.  Change all callers.
12776         (Symbol_table::sized_write_globals): Likewise.
12777         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
12778         Call Object::is_in_system_directory.
12779         * symtab.h (class Symbol_table): Update declarations.
12780
12781         PR 5990
12782         * descriptors.h (Open_descriptor): Add is_on_stack field.
12783         * descriptors.cc (Descriptors::open): If the descriptor is on the
12784         top of the stack, remove it.  Initialize is_on_stack field.
12785         (Descriptors::release): Only add pod to stack if it is not on the
12786         stack already.
12787         (Descriptors::close_some_descriptor): Clear stack_next and
12788         is_on_stack fields.
12789
12790         PR 7091
12791         * output.cc (Output_section::find_starting_output_address): Rename
12792         from starting_output_address; add PADDR parameter; change return
12793         type.
12794         * output.h (class Output_section): Declare
12795         find_starting_output_address instead of starting_output_address.
12796         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
12797         section symbol for which we can't find a merge section.
12798
12799         PR 9836
12800         * symtab.cc (Symbol_table::add_from_object): If the visibility is
12801         hidden or internal, force the symbol to be local.
12802         * resolve.cc (Symbol::override_visibility): Define.
12803         (Symbol::override_base): Use override_visibility.
12804         (Symbol_table::resolve): Likewise.
12805         (Symbol::override_base_with_special): Likewise.
12806         (Symbol_table::override_with_special): If the visibility is hidden
12807         or internal, force the symbol to be local.
12808         * symtab.h (class Symbol): Add set_visibility and
12809         override_visibility.
12810         * testsuite/ver_test_1.sh: New file.
12811         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
12812         (check_DATA): Add ver_test_1.syms.
12813         (ver_test_1.syms): New target.
12814         * testsuite/Makefile.in: Rebuild.
12815
12816 2009-02-25  Cary Coutant  <ccoutant@google.com>
12817
12818         * layout.cc (Layout::choose_output_section): Don't rename sections
12819         when using a linker script that has a SECTIONS clause.
12820         * Makefile.in: Regenerate.
12821
12822         * testsuite/Makefile.am (script_test_5.sh): New test case.
12823         * testsuite/Makefile.in: Regenerate.
12824         * testsuite/script_test_5.cc: New file.
12825         * testsuite/script_test_5.sh: New file.
12826         * testsuite/script_test_5.t: New file.
12827
12828 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
12829
12830         * archive.cc (Archive::include_member): Update calls to add_symbols.
12831         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
12832         the Layout argument.
12833         * dynobj.h (do_add_symbols): Add the Layout argument.
12834         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
12835         Layout argument.
12836         * object.h (Object::add_symbols): Add the Layout argument.
12837         (Object::do_add_symbols): Add the Layout argument.
12838         (Sized_relobj::do_add_symbols): Add the Layout argument.
12839         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
12840         Unify the two versions.
12841         (Add_plugin_symbols): Remove.
12842         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
12843         (Sized_pluginobj::do_add_symbols): Unify the two versions.
12844         (Add_plugin_symbols): Remove.
12845         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
12846         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
12847         (Add_symbols::run): Make it work with Pulginobj.
12848
12849 2009-02-06  Ian Lance Taylor  <iant@google.com>
12850
12851         * object.cc (Sized_relobj::do_layout): Make info message start
12852         with lower case letter.
12853
12854 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
12855
12856         * binary.cc: Fix file comment.
12857
12858         * options.h (enum Incremental_disposition): Define.
12859         (class General_options): Add new options: --incremental,
12860         --incremental_changed, --incremental_unchanged,
12861         --incremental_unknown.  Add incremental_disposition_ and
12862         implicit_incremental_ fields.
12863         (General_options::incremental_disposition): New function.
12864         (class Position_dependent_options): Add incremental_disposition
12865         option.
12866         (Position_dependent_options::copy_from_options): Set incremental
12867         dispositions.
12868         * options.cc (General_options::parse_incremental_changed): New
12869         function.
12870         (General_options::parse_incremental_unchanged): New function.
12871         (General_options::parse_incremental_unknown): New function.
12872         (General_options::General_options): Initialize new fields
12873         incremental_disposition_ and implicit_incremental_.
12874         (General_options::finalize): Check for uasge of --incremental-*
12875         without --incremental.
12876
12877 2009-02-06  Chris Demetriou  <cgd@google.com>
12878
12879         * gold.h (gold_undefined_symbol): Change to take only a Symbol
12880         pointer and to report location as the file name associated with
12881         the symbol.
12882         (gold_undefined_symbol_at_location): New function to replace the
12883         old gold_undefined_symbol functionality.
12884         * target-reloc.h (relocate_section): Update to use
12885         gold_undefined_symbol_at_location.
12886         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
12887         Call gold_undefined_symbol function rather than gold_error.
12888         * errors.h (Errors::undefined_symbol): Take location as a
12889         string, rather than calculating it from a relocation.
12890         * errors.cc (Errors::fatal): Print "fatal error:" before the
12891         formatted message.
12892         (Errors::error, Errors::error_at_location): Print "error: "
12893         before the formatted message.
12894         (Errors::undefined_symbol): Take location as a string, rather
12895         than calculating it from a relocation.
12896         (gold_undefined_symbol_at_location): New function akin to
12897         old gold_undefined_symbol, calculates location from relocation.
12898         (gold_undefined_symbol): Change to take only a Symbol pointer
12899         and to report location as the file name associated with the symbol.
12900         * testsuite/debug_msg.sh: Update for changed error messages.
12901         * testsuite/undef_symbol.sh: Likewise.
12902
12903 2009-02-04  Duncan Sands  <baldrick@free.fr>
12904
12905         PR 9812
12906         * reduced_debug_output.h
12907         (Output_reduced_debug_abbrev_section::failed): Use format for
12908         gold_warning.
12909         (Output_reduced_debug_info_section::faild): Likewise.
12910
12911 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
12912
12913         * script.cc (Lazy_demangler): New class.
12914         (Version_script_info::get_symbol_version_helper): Demangle a
12915         symbol only once.
12916
12917 2009-01-29  Cary Coutant  <ccoutant@google.com>
12918
12919         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
12920         to __tls_get_addr.
12921         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
12922
12923 2009-01-28  Ian Lance Taylor  <iant@google.com>
12924
12925         * version.cc (version_string): Bump to 1.9.
12926
12927         * gold.h: Include <cstring> and <stdint.h>.
12928         * version.cc: Include <cstdio>.
12929         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
12930         warning.
12931         * reduced_debug_output.cc (insert_into_vector): Rename from
12932         Insert_into_vector; change all callers.  Use Swap_unaligned to
12933         avoid aliasing issue; remove union since it is unnecessary.
12934
12935 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
12936
12937         * Makefile.am (CCFILES): Add gc.cc.
12938         (HFILES): Add gc.h.
12939         * Makefile.in: Regenerate.
12940         * gold.cc (Gc_runner): New class.
12941         (queue_initial_tasks): Call garbage collection related tasks
12942         when corresponding options are invoked.
12943         (queue_middle_gc_tasks): New function.
12944         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
12945         processed early before laying out sections during garbage collection.
12946         * gold.h (queue_middle_gc_tasks): New function.
12947         (is_prefix_of): Move from "layout.cc".
12948         * i386.cc (Target_i386::gc_process_relocs): New function.
12949         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
12950         * main.cc (main): Create object of class "Garbage_collection".
12951         * object.cc (Relobj::copy_symbols_data): New function.
12952         (Relobj::is_section_name_included): New function.
12953         (Sized_relobj::do_layout): Allow this function to be called twice
12954         during garbage collection and defer layout of section during the
12955         first call.
12956         * object.h (Relobj::get_symbols_data): New function.
12957         (Relobj::is_section_name_included): New function.
12958         (Relobj::copy_symbols_data): New function.
12959         (Relobj::set_symbols_data): New function.
12960         (Relobj::get_relocs_data): New function.
12961         (Relobj::set_relocs_data): New function.
12962         (Relobj::is_output_section_offset_invalid): New pure virtual function.
12963         (Relobj::gc_process_relocs): New function.
12964         (Relobj::do_gc_process_relocs): New pure virtual function.
12965         (Relobj::sd_): New data member.
12966         (Sized_relobj::is_output_section_offset_invalid): New function.
12967         (Sized_relobj::do_gc_process_relocs): New function.
12968         * options.h (General_options::gc_sections): Modify to not be a no-op.
12969         (General_options::print_gc_sections): New option.
12970         * plugin.cc (Plugin_finish::run): Remove function call to
12971         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
12972         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
12973         * reloc.cc (Read_relocs::run): Add task to process relocs and
12974         determine unreferenced sections when doing garbage collection.
12975         (Gc_process_relocs): New class.
12976         (Sized_relobj::do_gc_process_relocs): New function.
12977         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
12978         sections that are garbage collected.
12979         * reloc.h (Gc_process_relocs): New class.
12980         * sparc.cc (Target_sparc::gc_process_relocs): New function.
12981         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
12982         symbols whose corresponding sections are garbage collected.
12983         (Symbol_table::Symbol_table): Add new parameter for the garbage
12984         collection object.
12985         (Symbol_table::gc_mark_undef_symbols): New function.
12986         (Symbol_table::gc_mark_symbol_for_shlib): New function.
12987         (Symbol_table::gc_mark_dyn_syms): New function.
12988         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
12989         as garbage.
12990         (Symbol_table::add_from_object): Likewise.
12991         (Symbol_table::add_from_relobj): When building shared objects, do not
12992         treat externally visible symbols as garbage.
12993         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
12994         table information for static and relocatable links.
12995         * symtab.h (Symbol_table::set_gc): New function.
12996         (Symbol_table::gc): New function.
12997         (Symbol_table::gc_mark_undef_symbols): New function.
12998         (Symbol_table::gc_mark_symbol_for_shlib): New function.
12999         (Symbol_table::gc_mark_dyn_syms): New function.
13000         (Symbol_table::gc_): New data member.
13001         * target.h (Sized_target::gc_process_relocs): New pure virtual
13002         function.
13003         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
13004         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
13005
13006 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
13007
13008         * options.h (General_options::gc_sections): Define as a no-op for now.
13009         (General_options::no_keep_memory): Ditto.
13010         (General_options::Bshareable): Define.
13011         * options.cc (General_options::finalize): Honor -Bshareable.
13012
13013 2009-01-20  Andreas Schwab  <schwab@suse.de>
13014
13015         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
13016         read the value in the contents, since we don't use it.  Use the
13017         template endianness when writing.
13018         (Relocate::relocate): Use it for R_PPC_REL16_HA.
13019
13020 2009-01-19  Andreas Schwab  <schwab@suse.de>
13021
13022         * configure.tgt (powerpc64-*): Fix targ_obj.
13023
13024 2009-01-15  Ian Lance Taylor  <iant@google.com>
13025
13026         * object.cc (Sized_relobj::write_local_symbols): Don't write out
13027         local symbols when stripping all symbols.
13028
13029 2009-01-14  Cary Coutant  <ccoutant@google.com>
13030
13031         * output.cc (Output_reloc): Add explicit instantiations.
13032
13033 2009-01-14  Cary Coutant  <ccoutant@google.com>
13034
13035         * archive.cc (Archive::get_elf_object_for_member): Remove call
13036         to File_read::claim_for_plugin.
13037         * descriptors.cc (Descriptors::open): Remove reference to
13038         is_claimed.
13039         (Descriptors::claim_for_plugin): Remove.
13040         * descriptors.h (Descriptors::claim_for_plugin): Remove.
13041         (Descriptors::is_claimed): Remove.
13042         (claim_descriptor_for_plugin): Remove.
13043         * fileread.cc (File_read::claim_for_plugin): Remove.
13044         * fileread.h (File_read::claim_for_plugin): Remove.
13045         (File_read::descriptor): Reopen descriptor if necessary.
13046         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
13047         (Plugin_manager::all_symbols_read): Add task parameter. Change
13048         all callers.
13049         (Plugin_manager::get_input_file): New function.
13050         (Plugin_manager::release_input_file): New function.
13051         (Pluginobj::Pluginobj): Add filesize parameter and initialize
13052         corresponding data member.
13053         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
13054         and pass to base constructor. Change all callers.
13055         (get_input_file, release_input_file): New functions.
13056         (make_sized_plugin_object): Add filesize parameter. Change all callers.
13057         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
13058         (Plugin_manager::all_symbols_read): Add task parameter.
13059         (Plugin_manager::get_input_file): New function.
13060         (Plugin_manager::release_input_file): New function.
13061         (Plugin_manager::task_): New data member.
13062         (Pluginobj::Pluginobj): Add filesize parameter.
13063         (Pluginobj::filename): New function.
13064         (Pluginobj::descriptor): New function.
13065         (Pluginobj::filesize): New function.
13066         (Pluginobj::filesize_): New data member.
13067         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
13068         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
13069         File_read::claim_for_plugin; use Object::unlock to unlock the file.
13070
13071         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
13072         with archive libraries.
13073         * testsuite/Makefile.in: Regenerate.
13074         * testsuite/plugin_test.c (struct sym_info): New type.
13075         (get_input_file, release_input_file): New static variables.
13076         (onload): Capture new transfer vector entries.
13077         (claim_file_hook): Stop reading at end of file according to filesize.
13078         Factor out parsing of readelf output into separate function.
13079         (all_symbols_read_hook): Exercise get_input_file and release_input_file
13080         APIs and get the source file name from the symbol table.  Convert
13081         source file name to corresponding object file name.  Print info
13082         message when adding new input files.
13083         (parse_readelf_line): New function.
13084         * testsuite/plugin_test_1.sh: Add checks for new info messages.
13085         * testsuite/plugin_test_2.sh: Likewise.
13086         * testsuite/plugin_test_3.sh: Likewise.
13087         * testsuite/plugin_test_4.sh: New test case.
13088
13089 2009-01-07  Ian Lance Taylor  <iant@google.com>
13090
13091         * version.cc (version_string): Bump to 1.8.
13092
13093 2008-12-23  Cary Coutant  <ccoutant@google.com>
13094
13095         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
13096         * plugin.cc (Plugin_manager::finish): Rename as
13097         layout_deferred_objects.  Move cleanup to separate function.
13098         (Plugin_manager::cleanup): New function.
13099         (Plugin_finish::run): Call layout_deferred_objects and cleanup
13100         separately.
13101         * plugin.h (Plugin_manager::finish): Rename as
13102         layout_deferred_objects.
13103         (Plugin_manager::cleanup): New function.
13104         (Plugin_manager::cleanup_done): New field.
13105
13106 2008-12-23  Cary Coutant  <ccoutant@google.com>
13107
13108         * plugin.cc (is_visible_from_outside): New function.
13109         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
13110         so we don't return "IR only" status for exported symbols or -r links.
13111
13112         * testsuite/Makefile.am (plugin_test_3): New test case.
13113         * testsuite/Makefile.in: Regenerate.
13114         * testsuite/plugin_test_3.sh: New file.
13115
13116 2008-12-22  Cary Coutant  <ccoutant@google.com>
13117
13118         * object.cc (Sized_relobj::layout_section): New function.
13119         (Sized_relobj::do_layout): Defer layout of input sections until after
13120         plugin has provided replacement files.
13121         (Sized_relobj::do_layout_deferred_sections): New function.
13122         * object.h (Relobj::set_section_offset): Remove virtual keyword.
13123         (Relobj::layout_deferred_sections): New function.
13124         (Relobj::do_layout_deferred_sections): New function.
13125         (Sized_relobj::do_layout_deferred_sections): New function.
13126         (Sized_relobj::layout_section): New function.
13127         (Sized_relobj::Deferred_layout): New structure.
13128         (Sized_relobj::deferred_layout_): New field.
13129         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
13130         Change all callers.  Layout deferred sections.
13131         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
13132         references.
13133         (Plugin_hook::run): Move code from do_plugin_hook inline.
13134         (Plugin_hook::do_plugin_hook): Remove.
13135         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
13136         (Plugin_manager::finish): Renamed, was cleanup.
13137         (Plugin_manager::should_defer_layout): New function.
13138         (Plugin_manager::add_deferred_layout_object): New function.
13139         (Plugin_manager::Deferred_layout_list): New type.
13140         (Plugin_manager::deferred_layout_objects_): New field.
13141         (Plugin_hook::do_plugin_hook): Remove.
13142
13143 2008-12-17  Ian Lance Taylor  <iant@google.com>
13144
13145         * options.h (class General_options): Add --no case for
13146         --export-dynamic.
13147
13148 2008-12-16  Cary Coutant  <ccoutant@google.com>
13149
13150         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
13151         vector.
13152         (Plugin_manager::claim_file): Create plugin object even if
13153         plugin did not call the add_symbols callback.
13154         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
13155         asking for more symbols than were added.
13156         * testsuite/Makefile.am (plugin_test_1): Add test case with
13157         no global symbols.
13158         (empty.syms): New target.
13159         * testsuite/Makefile.in: Regenerate.
13160         * testsuite/plugin_test.c (claim_file_hook): Add new debug
13161         message. Don't call add_symbols if no globals.
13162         (all_symbols_read_hook): Don't provide replacement for empty
13163         claimed file.
13164
13165 2008-12-12  Ian Lance Taylor  <iant@google.com>
13166
13167         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
13168         r_type == 0 for a local symbol with r_sym == 0.
13169         (scan_relocatable_relocs): Pass r_sym to
13170         local_non_section_strategy.
13171         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
13172         r_sym parameter.
13173
13174         * configure.ac: Update test for TLS descriptors: they are
13175         supported as of glibc 2.9.
13176         * configure: Rebuild.
13177
13178 2008-12-11  Ian Lance Taylor  <iant@google.com>
13179
13180         PR 7091
13181         * target-reloc.h (Default_scan_relocatable_relocs): For each
13182         function, map r_type == 0 to RELOC_DISCARD.
13183
13184 2008-12-10  Cary Coutant  <ccoutant@google.com>
13185
13186         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
13187         object to override a kept COMDAT group from a plugin object.
13188
13189 2008-12-09  Ian Lance Taylor  <iant@google.com>
13190
13191         PR 7088
13192         * yyscript.y (file_cmd): Handle INPUT.
13193
13194         * testsuite/initpri1.c: Change all declarations to be full
13195         prototypes by adding void, to avoid compiler warnings.
13196
13197 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
13198
13199         * options.cc (General_options::parse_plugin_opt): New.
13200         (General_options::add_plugin): The argument now is just the filename.
13201         (General_options::add_plugin_option): New.
13202         * options.h (plugin_opt): New.
13203         (add_plugin): Change argument name.
13204         (add_plugin_option): New.
13205         * plugin.cc (Plugin::load): Don't parse the plugin option.
13206         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
13207         (Plugin::add_option): New.
13208         (Plugin::args_): Change type.
13209         (Plugin::filename_): New.
13210         (Plugin_manager::add_plugin_option): New.
13211         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
13212         * testsuite/Makefile.in: Regenerate.
13213
13214 2008-12-05  Cary Coutant  <ccoutant@google.com>
13215
13216         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
13217         Handle --strip-lto-sections option.
13218         * options.h (strip_lto_sections): New option.
13219
13220 2008-12-01  Cary Coutant  <ccoutant@google.com>
13221
13222         * plugin.cc (ld_plugin_message): Change format parameter to const.
13223         Fix mismatch between new[] and delete.
13224
13225 2008-11-14  Cary Coutant  <ccoutant@google.com>
13226
13227         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
13228         instead of -1U.
13229
13230 2008-11-05  Craig Silverstein  <csilvers@google.com>
13231
13232         * options.cc (General_options::parse_dynamic_list): New function.
13233         * options.h (General_options): New flags dynamic_list,
13234         dynamic_list_data, dynamic_list_cpp_new, and
13235         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
13236         (General_options::in_dynamic_list): New function.
13237         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
13238         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
13239         (Lex::can_continue_name): Likewise.
13240         (yylex): Likewise.
13241         (read_script_file): New parameter script_options.
13242         (read_dynamic_list): New function.
13243         (Script_options::define_dynamic_list): New function.
13244         (dynamic_list_keyword_parsecodes): New variable.
13245         (dynamic_list_keywords): New variable.
13246         * script.h (Script_options::define_dynamic_list): New function
13247         prototype.
13248         (read_dynamic_list): New function prototype.
13249         * symtab.cc (strprefix): New macro.
13250         (Symbol::should_add_dynsym_entry): Support dynamic_list,
13251         dynamic_list_data, dynamic_list_cpp_new, and
13252         dynamic_list_cpp_typeinfo.
13253         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
13254         (dynamic_list_expr): New rule.
13255         (dynamic_list_nodes): Likewise.
13256         (dynamic_list_node): Likewise.
13257         * testsuite/Makefile.am (dynamic_list): New test.
13258         * testsuite/Makefile.in: Regenerated.
13259         * testsuite/dynamic_list.t: New file.
13260         * testsuite/dynamic_list.sh: New file.
13261
13262 2008-11-05  Craig Silverstein  <csilvers@google.com>
13263
13264         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
13265         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
13266         (t11_last): Likewise.
13267         * testsuite/ver_test_6.c (main): Likewise.
13268
13269 2008-10-07  Cary Coutant  <ccoutant@google.com>
13270
13271         * options.c (General_options::finalize): Add check for -static and
13272         -shared.
13273         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
13274         is not empty.
13275
13276 2008-10-02  Cary Coutant  <ccoutant@google.com>
13277
13278         * plugin.cc (make_sized_plugin_object): Fix conditional
13279         compilation to work when not all targets are enabled.
13280
13281 2008-09-29  Cary Coutant  <ccoutant@google.com>
13282
13283         * archive.cc (Archive::get_file_and_offset): Use filename instead
13284         of name to get library path.
13285         (Archive::include_member): Unlock external member of a thin archive.
13286
13287         * testsuite/Makefile.am (TEST_AR): New variable.
13288         (thin_archive_test_1): New test.
13289         (thin_archive_test_2): New test.
13290         * testsuite/Makefile.in: Regenerate.
13291         * testsuite/thin_archive_main.cc: New file.
13292         * testsuite/thin_archive_test_1.cc: New file.
13293         * testsuite/thin_archive_test_2.cc: New file.
13294         * testsuite/thin_archive_test_3.cc: New file.
13295         * testsuite/thin_archive_test_4.cc: New file.
13296
13297 2008-09-29  Cary Coutant  <ccoutant@google.com>
13298
13299         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
13300         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
13301         instead of -1U.
13302         (Sized_relobj::do_finalize_local_symbols): Likewise.
13303         (Sized_relobj::map_to_kept_section): Likewise.
13304         * object.h (Sized_relobj::invalid_address): New constant.
13305         (Sized_relobj::do_output_section_offset): Check for invalid_address
13306         and return -1ULL.
13307         * output.cc (Output_reloc::local_section_offset): Use constant
13308         invalid_address instead of -1U.
13309         (Output_reloc::get_address): Likewise.
13310         (Output_section::output_address): Change -1U to -1ULL.
13311         * output.h (Output_reloc::invalid_address): New constant.
13312         * reloc.cc (Sized_relobj::write_sections): Use constant
13313         invalid_address instead of -1U.
13314         (Sized_relobj::relocate_sections): Likewise.
13315         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
13316         values for merge sections.
13317         * target-reloc.h (relocate_for_relocatable): Use constant
13318         invalid_address instead of -1U.
13319
13320 2008-09-19  Cary Coutant  <ccoutant@google.com>
13321
13322         Add plugin functionality for link-time optimization (LTO).
13323         * configure.ac (plugins): Add --enable-plugins option.
13324         * configure: Regenerate.
13325         * config.in: Regenerate.
13326         * Makefile.am (LIBDL): New variable.
13327         (CCFILES): Add plugin.cc.
13328         (HFILES): Add plugin.h.
13329         (ldadd_var): Add LIBDL.
13330         * Makefile.in: Regenerate.
13331
13332         * archive.cc: Include "plugin.h".
13333         (Archive::setup): Don't preread archive symbols when using a plugin.
13334         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
13335         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
13336         files.
13337         (Archive::include_member): Add symbols from plugin objects.
13338         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
13339         * descriptors.cc (Descriptors::open): Check for file descriptors
13340         abandoned by plugins.
13341         (Descriptors::claim_for_plugin): New function.
13342         * descriptors.h (Descriptors::claim_for_plugin): New function.
13343         (Open_descriptor::is_claimed): New field.
13344         (claim_descriptor_for_plugin): New function.
13345         * fileread.cc (File_read::claim_for_plugin): New function.
13346         * fileread.h (File_read::claim_for_plugin): New function.
13347         (File_read::descriptor): New function.
13348         * gold.cc: Include "plugin.h".
13349         (queue_initial_tasks): Add task to call plugin hooks for generating
13350         new object files.
13351         * main.cc: Include "plugin.h".
13352         (main): Load plugin libraries.
13353         * object.h (Pluginobj): Declare.
13354         (Object::pluginobj): New function.
13355         (Object::do_pluginobj): New function.
13356         (Object::set_target): New function.
13357         * options.cc: Include "plugin.h".
13358         (General_options::parse_plugin): New function.
13359         (General_options::General_options): Initialize plugins_ field.
13360         (General_options::add_plugin): New function.
13361         * options.h (Plugin_manager): Declare.
13362         (General_options): Add --plugin option.
13363         (General_options::has_plugins): New function.
13364         (General_options::plugins): New function.
13365         (General_options::add_plugin): New function.
13366         (General_options::plugins_): New field.
13367         * plugin.cc: New file.
13368         * plugin.h: New file.
13369         * readsyms.cc: Include "plugin.h".
13370         (Read_symbols::do_read_symbols): Check for archive before checking
13371         for ELF file.  Call plugin hooks to claim files.
13372         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
13373         from a real object file; force override when processing replacement
13374         files.
13375         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
13376         (Symbol::init_base_object): Likewise.
13377         (Symbol::init_base_output_data): Likewise.
13378         (Symbol::init_base_output_segment): Likewise.
13379         (Symbol::init_base_constant): Likewise.
13380         (Symbol::init_base_undefined): Likewise.
13381         (Symbol::output_section): Assert that object is not a plugin.
13382         (Symbol_table::add_from_pluginobj): New function.
13383         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
13384         undefined.
13385         (Symbol_table::sized_write_globals): Likewise.
13386         (Symbol_table::add_from_pluginobj): Instantiate template.
13387         * symtab.h (Sized_pluginobj): Declare.
13388         (Symbol::in_real_elf): New function.
13389         (Symbol::set_in_real_elf): New function.
13390         (Symbol::in_real_elf_): New field.
13391         (Symbol_table::add_from_pluginobj): New function.
13392
13393         * testsuite/Makefile.am (AM_CFLAGS): New variable.
13394         (LIBDL): New variable.
13395         (LDADD): Add LIBDL.
13396         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
13397         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
13398         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
13399         (MOSTLYCLEANFILES): Likewise.
13400         * testsuite/Makefile.in: Regenerate.
13401         * testsuite/plugin_test.c: New file.
13402         * testsuite/plugin_test_1.sh: New file.
13403         * testsuite/plugin_test_2.sh: New file.
13404
13405 2008-09-16  Ian Lance Taylor  <iant@google.com>
13406
13407         * target-reloc.h (relocate_section): Check whether a symbol is
13408         defined by the ABI before reporting an undefined symbol error.
13409         * target.h (Target::is_defined_by_abi): Make parameter const.
13410         (Target::do_is_defined_by_abi): Likewise.
13411         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
13412         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
13413         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
13414         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
13415         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
13416         * testsuite/Makefile.in: Rebuild.
13417
13418         * fileread.cc (make_view): Add casts to avoid warning.
13419
13420 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
13421
13422         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
13423         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
13424
13425 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
13426
13427         * options.h (General_options::output_is_executable): New.
13428         (General_options::output_is_pie): New.
13429         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
13430         for shared libraries.
13431         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
13432
13433 2008-09-11  Chris Demetriou  <cgd@google.com>
13434
13435         * options.h (origin): New -z option.
13436         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
13437         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
13438         in DT_FLAGS_1.
13439
13440 2008-09-05  Cary Coutant  <ccoutant@google.com>
13441
13442         * fileread.cc (File_read::make_view): Add check for attempt to map
13443         beyond end of file.
13444
13445 2008-09-05  Cary Coutant  <ccoutant@google.com>
13446
13447         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
13448         explicit instantiations.
13449
13450 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
13451
13452         PR gold/6858
13453         * options.cc (General_options::finalize): Allow undefined symbols
13454         in shlibs if linking -shared.
13455
13456         PR gold/6859
13457         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
13458         symbols as not needing a dynsym entry.
13459
13460 2008-08-20  Craig Silverstein  <csilvers@google.com>
13461
13462         * fileread.cc (File_read::open): Do not lock the file unless it
13463         was successfully opened.
13464
13465 2008-08-14  Cary Coutant  <ccoutant@google.com>
13466
13467         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
13468         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
13469         * testsuite/tls_test.cc (struct int128): 128-bit struct
13470         for testing TLS relocs with non-zero addend.
13471         (v12): New TLS variable.
13472         (t12): New test.
13473         (t_last): Add check for v12.
13474         * testsuite/tls_test.h (t12): New function.
13475         * testsuite/tls_test_main.cc (thread_routine): Call new test.
13476
13477 2008-08-13  Ian Lance Taylor  <iant@google.com>
13478
13479         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
13480         set tls_segment_ or relro_segment_.
13481         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
13482         when appropriate.
13483         * output.h (Output_section::clear_is_relro): New function.
13484         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
13485         sections specially even when output_data_ is empty.
13486         (Output_segment::maximum_alignment): When first section is relro,
13487         only force alignment for PT_LOAD segments.
13488         * script.cc (script_data_segment_align): New function.
13489         (script_data_segment_relro_end): New function.
13490         * script-c.h (script_data_segment_align): Declare.
13491         (script_data_segment_relro_end): Declare.
13492         * script-sections.h (class Script_sections): Declare
13493         data_segment_align and data_segment_relro_end.  Add fields
13494         segment_align_index_ and saw_relro_end_.
13495         * script-sections.cc (class Sections_element): Add set_is_relro
13496         virtual function.  Add new bool* parameter to place_orphan_here.
13497         Add get_output_section virtual function.
13498         (class Output_section_definition): Add set_is_relro.  Add new
13499         bool* parameter to place_orphan_here.  Add get_output_section.
13500         Add is_relro_ field.
13501         (Output_section_definition::Output_section_definition): Initialize
13502         evaluated_address_, evaluated_load_address, evaluated_addralign_,
13503         and is_relro_ fields.
13504         (Output_section_definition::place_orphan_here): Add is_relro
13505         parameter.
13506         (Output_section_definition::set_section_addresses): Set relro for
13507         output section.
13508         (Output_section_definition::alternate_constraint): Likewise.
13509         (class Orphan_output_section): Add new bool* parameter to
13510         place_orphan_here.  Add get_output_section.
13511         (Orphan_output_section::place_orphan_here): Add is_relro
13512         parameter.
13513         (Script_sections::Script_sections): Initialize
13514         data_segment_align_index_ and saw_relro_end_.
13515         (Script_sections::data_segment_align): New function.
13516         (Script_sections::data_segment_relro_end): New function.
13517         (Script_sections::place_orphan): Set or clear is_relro.
13518         (Script_sections::set_section_addresses): Force alignment of first
13519         TLS section.
13520         * yyscript.y (exp): Call script_data_segment_align and
13521         script_data_segment_relro_end.
13522         * testsuite/relro_script_test.t: New file.
13523         * testsuite/relro_test.cc (using_script): Declare.
13524         (t1, t2): Test using_script.
13525         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
13526         (relro_script_test_SOURCES): Define.
13527         (relro_script_test_DEPENDENCIES): Define.
13528         (relro_script_test_LDFLAGS): Define.
13529         (relro_script_test_LDADD): Define.
13530         (relro_script_test.so): New target.
13531         * testsuite/Makefile.in: Rebuild.
13532
13533 2008-08-06  Cary Coutant <ccoutant@google.com>
13534
13535         * archive.cc (Archive::total_archives, Archive::total_members)
13536         (Archive::total_members_loaded): New variables.
13537         (Archive::setup): Add parameter.  Add option to preread
13538         archive symbols.
13539         (Archive::read_armap): Add counter.
13540         (Archive::get_file_and_offset): New function.
13541         (Archive::get_elf_object_for_member): New function.
13542         (Archive::read_all_symbols): New function.
13543         (Archive::read_symbols): New function.
13544         (Archive::add_symbols): Add counters.
13545         (Archive::include_all_members): Use armap to find members if it's
13546         already built.
13547         (Archive::include_member): Skip reading symbols if already read.
13548         Factored code into Archive::get_file_and_offset and
13549         Archive::get_elf_object_for_member.  Changed call to
13550         Mapfile::report_include_archive_member.
13551         (Archive::print_stats): New function.
13552         * archive.h: Declare Object and Read_symbols_data classes.
13553         (Archive::Archive): Add initializers for new members.
13554         (Archive::setup): Add parameter.
13555         (Archive::print_stats): New function.
13556         (Archive::total_archives, Archive::total_members)
13557         (Archive::total_members_loaded): New variables.
13558         (Archive::get_file_and_offset): New function.
13559         (Archive::get_elf_object_for_member): New function.
13560         (Archive::read_all_symbols): New function.
13561         (Archive::read_symbols): New function.
13562         (Archive::Archive_member): New class.
13563         (Archive::members_): New member.
13564         (Archive::num_members_): New member.
13565         * main.cc: Include archive.h.
13566         (main): Call Archive::print_stats.
13567         * mapfile.cc (Mapfile::report_include_archive_member): Delete
13568         archive parameter; member_name is now the fully-decorated name.
13569         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
13570         * options.h: (General_options): Add --preread-archive-symbols option.
13571         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
13572         Archive::setup.
13573
13574 2008-08-04  Ian Lance Taylor  <iant@google.com>
13575
13576         * symtab.h (Symbol::use_plt_offset): New function.
13577         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
13578         * powerpc.cc (Relocate::relocate): Likewise.
13579         * sparc.cc (Relocate::relocate): Likewise.
13580         * x86_64.cc (Relocate::relocate): Likewise.
13581         * testsuite/weak_plt.sh: New test.
13582         * testsuite/weak_plt_main.cc: New test.
13583         * testsuite/weak_plt_shared.cc: New test.
13584         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
13585         (check_PROGRAMS): Add weak_plt.
13586         (check_DATA): Add weak_plt_shared.so.
13587         (weak_plt_main_pic.o, weak_plt): New targets.
13588         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
13589         * testsuite/Makefile.in: Rebuild.
13590
13591         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
13592         gcctestdir/ld.
13593         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
13594         * testsuite/Makefile.in: Rebuild.
13595
13596 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
13597
13598         * Makefile.am (POTFILES.in): Set LC_ALL=C.
13599         * Makefile.in: Regenerate.
13600         * po/POTFILES.in: Regenerate.
13601
13602 2008-07-29  Ian Lance Taylor  <iant@google.com>
13603
13604         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
13605         symbols before other symbols.
13606         * testsuite/script_test_2.cc (test_addr): Declare.
13607         (test_addr_alias): Declare.
13608         (main): Check that test_addr and test_addr_alias have the right
13609         values.
13610         * testsuite/script_test_2.t: Define test_addr_alias and
13611         test_addr.
13612
13613 2008-07-24  Ian Lance Taylor  <iant@google.com>
13614
13615         PR 5990
13616         * descriptors.cc: New file.
13617         * descriptors.h: New file.
13618         * gold-threads.h (class Hold_optional_lock): New class.
13619         * fileread.cc: Include "descriptors.h".
13620         (File_read::~File_read): Release descriptor rather than closing
13621         it.
13622         (File_read::open) [file]: Call open_descriptor rather than open.
13623         Set is_descriptor_opened_.
13624         (File_read::open) [memory]: Assert that descriptor is not open.
13625         (File_read::reopen_descriptor): New function.
13626         (File_read::release): Release descriptor.
13627         (File_read::do_read): Make non-const.  Reopen descriptor.
13628         (File_read::read): Make non-const.
13629         (File_read::make_view): Reopen descriptor.
13630         (File_read::do_readv): Likewise.
13631         * fileread.h (class File_read): Add is_descriptor_opened_ field.
13632         Update declarations.
13633         * layout.cc: Include "descriptors.h".
13634         (Layout::create_build_id): Use open_descriptor rather than open.
13635         * output.cc: Include "descriptors.h".
13636         (Output_file::open): Use open_descriptor rather than open.
13637         * archive.cc (Archive::const_iterator): Change Archive to be
13638         non-const.
13639         (Archive::begin, Archive::end): Make non-const.
13640         (Archive::count_members): Likewise.
13641         * archive.h (class Archive): Update declarations.
13642         * object.h (Object::read): Make non-const.
13643         * Makefile.am (CCFILES): Add descriptors.cc.
13644         (HFILES): Add descriptors.h.
13645         * Makefile.in: Rebuild.
13646
13647         PR 6716
13648         * gold.h: Always include <clocale>.  Add Solaris workarounds
13649         following code in binutils/sysdep.h.
13650
13651         PR 6048
13652         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
13653         this->eh_frame_hdr_ is NULL before using it.
13654
13655         * dynobj.cc (Versions::Versions): Update comment.
13656
13657         * dynobj.cc (Versions::Versions): If there is an soname, use it as
13658         the base version name.
13659
13660         * stringpool.cc (Stringpool_template::add_with_length): Set key to
13661         array size plus one.
13662         (Stringpool_template::set_string_offsets): Subtract one from key
13663         before using it as an array index.
13664         (Stringpool_template::get_offset_with_length): Likewise.
13665         (Stringpool_template::write_to_buffer): Likewise.
13666         * stringpool.h (Stringpool_template::get_offset_from_key):
13667         Likewise.
13668
13669 2008-07-23  Ian Lance Taylor  <iant@google.com>
13670
13671         PR 6658
13672         * object.h (Merged_symbol_value::value): Do our best to handle a
13673         negative addend.
13674
13675         PR 6647
13676         * script.cc (Version_script_info::get_versions): Don't add empty
13677         version tag to return value.
13678         (Version_script_info::get_symbol_version_helper): Change return
13679         type to bool.  Add pversion parameter.  Change all callers.
13680         (script_register_vers_node): Don't require a non-NULL tag.
13681         * script.h (class Version_script_info): Update declarations.
13682         (Version_script_info::get_symbol_version): Change return type to
13683         bool.  Add version parameter.  Change all callers.
13684         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
13685         handling.  Handle an empty version from a version script.
13686         (Symbol_table::define_special_symbol): Likewise.
13687         * testsuite/ver_test_10.script: New file.
13688         * testsuite/ver_test_10.sh: New file.
13689         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
13690         (check_DATA): Add ver_test_10.syms.
13691         (ver_test_10.syms, ver_test_10.so): New target.
13692         * testsuite/Makefile.in: Rebuild.
13693
13694 2008-07-23  Simon Baldwin  <simonb@google.com>
13695
13696         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
13697         to zero for undefined symbols from dynamic libraries.
13698
13699 2008-07-23  Ian Lance Taylor  <iant@google.com>
13700
13701         * symtab.cc (Symbol_table::resolve): Remove version parameter.
13702         Change all callers.
13703         * symtab.h (class Symbol_table): Update declaration.
13704         * testsuite/ver_test_9.cc: New file.
13705         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
13706         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
13707         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
13708         (ver_test_9.so, ver_test_9.o): New targets.
13709         * testsuite/Makefile.in: Rebuild.
13710
13711 2008-07-22  Ian Lance Taylor  <iant@google.com>
13712
13713         * options.h (class General_options): Define --check-sections.
13714         * layout.cc (Layout::set_segment_offsets): Handle
13715         --check-sections.
13716
13717         * options.h (class General_options): Define -n/--nmagic and
13718         -N/--omagic.
13719         * options.cc (General_options::finalize): For -n/--nmagic or
13720         -N/--omagic, set -static.
13721         * layout.cc (Layout::attach_allocated_section_to_segment): If
13722         -N/--omagic, don't put read-only and read-write sections in
13723         different segments.
13724         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
13725         finding a read-only segment.
13726         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
13727         don't set the minimum segment alignment to the common page size,
13728         and don't set the file offset to the address modulo the page size.
13729         * script-sections.cc (Script_sections::create_segments): If
13730         -n/--omagic, don't put read-only and read-write sections in
13731         different segments.
13732
13733         * cref.cc: New file.
13734         * cref.h: New file.
13735         * options.h (class General_options): Add --print-symbol-counts.
13736         * main.cc (main): Issue defined symbol report if requested.
13737         * archive.cc (Archive::interpret_header): Make into a const member
13738         function.
13739         (Archive::add_symbols): Call Input_objects::archive_start and
13740         archive_stop.
13741         (Archive::const_iterator): Define new class.
13742         (Archive::begin, Archive::end): New functions.
13743         (Archive::include_all_members): Rewrite to use iterator.
13744         (Archive::count_members): New function.
13745         * archive.h (class Archive): Update declarations.
13746         (Archive::filename): New function.
13747         * object.cc: Include "cref.h".
13748         (Sized_relobj::Sized_relobj): Initialize defined_count_.
13749         (Sized_relobj::do_get_global_symbol_counts): New function.
13750         (Input_objects::add_object): Add object to cross-referencer.
13751         (Input_objects::archive_start): New function.
13752         (Input_objects::archive_stop): New function.
13753         (Input_objects::print_symbol_counts): New function.
13754         * object.h: Declare Cref and Archive.
13755         (Object::get_global_symbol_counts): New function.
13756         (Object::do_get_global_symbol_counts): New pure virtual function.
13757         (class Sized_relobj): Add defined_count_ field.  Update
13758         declarations.
13759         (class Input_objects): Add cref_ field.  Update constructor.
13760         Update declarations.
13761         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
13762         defined_count_.
13763         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
13764         symbol counts.
13765         (Sized_dynobj::do_get_global_symbol_counts): New function.
13766         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
13767         defined_count_.  Update declarations.  Define Symbols typedef.
13768         * symtab.cc (Symbol_table::add_from_relobj): Add defined
13769         parameter.  Change all callers.
13770         (Symbol_table::add_from_dynobj): Add sympointers and defined
13771         parameters.  Change all callers.
13772         * symtab.h (class Symbol_table): Update declarations.
13773         * Makefile.am (CCFILES): Add cref.cc.
13774         (HFILES): Add cref.h.
13775         * Makefile.in: Rebuild.
13776
13777 2008-07-22  Simon Baldwin  <simonb@google.com>
13778
13779         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
13780         to zero when writing undefined symbols.
13781
13782 2008-07-22  Ian Lance Taylor  <iant@google.com>
13783
13784         * output.cc (Output_section::add_input_section): Don't try to
13785         merge empty merge sections.
13786
13787 2008-07-21  Craig Silverstein  <csilvers@google.com>
13788
13789         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
13790         Include symbol version in error message.
13791
13792 2008-07-20  Chris Demetriou  <cgd@google.com>
13793
13794         * configure.ac (gold_cv_c_random_seed): New configured variable.
13795         (RANDOM_SEED_CFLAGS): New substituted variable.
13796         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
13797         * configure: Rebuild.
13798         * Makefile.in: Likewise.
13799         * testsuite/Makefile.in: Likewise.
13800
13801 2008-07-18  Ian Lance Taylor  <iant@google.com>
13802
13803         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
13804         where we see NAME/NULL and NAME/VERSION  as separate symbols.
13805         * testsuite/ver_test_main.cc (main): Call t4.
13806         (t4, t4_2a): Define.
13807         * testsuite/ver_test_2.cc (t4_2): Define.
13808         * testsuite/ver_test_2.script: Put t4_2a in VER2.
13809         * testsuite/ver_test_4.cc (t4_2a): Define.
13810         * testsuite/ver_test_4.script: Put t4_2a in VER2.
13811         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
13812
13813 2008-07-17  Ian Lance Taylor  <iant@google.com>
13814
13815         * dynobj.cc (Versions::add_def): If we give an error about a
13816         missing version, go ahead and create the version anyhow.
13817
13818 2008-07-10  Ian Lance Taylor  <iant@google.com>
13819
13820         Handle output sections with more than 0x7fffffff bytes.
13821         * object.h (class Relobj): Change map_to_output_ to
13822         output_sections_, and just keep a section pointer.  Change all
13823         uses.  Move comdat group support to Sized_relobj.
13824         (Relobj::is_section_specially_mapped): Remove.
13825         (Relobj::output_section): Remove poff parameter.  Change all
13826         callers.
13827         (Relobj::output_section_offset): New function.
13828         (Relobj::set_section_offset): Rewrite.
13829         (Relobj::map_to_output): Remove.
13830         (Relobj::output_sections): New function.
13831         (Relobj::do_output_section_offset): New pure virtual function.
13832         (Relobj::do_set_section_offset): Likewise.
13833         (class Sized_relobj): Add section_offsets_ field.  Add comdat
13834         group support from Relobj.  Update declarations.
13835         (Sized_relobj::get_output_section_offset): New function.
13836         (Sized_relobj::do_output_section_offset): New function.
13837         (Sized_relobj::do_set_section_offset): New function.
13838         * object.cc (Relobj::output_section_address): Remove.
13839         (Sized_relobj::Sized_relobj): Initialize new fields.
13840         (Sized_relobj::include_section_group): Cast find_kept_object to
13841         Sized_relobj.
13842         (Sized_relobj::include_linkonce_section): Likewise.
13843         (Sized_relobj::do_layout): Use separate arrays for output section
13844         and output offset.
13845         (Sized_relobj::do_count_local_symbols): Change map_to_output to
13846         output_sections.
13847         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
13848         output_sections and section_offsets.
13849         (Sized_relobj::write_local_symbols): Likewise.
13850         (map_to_kept_section): Compute output address directly.
13851         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
13852         output_sections and section_offsets.
13853         (Sized_relobj::write_sections): Likewise.
13854         (Sized_relobj::relocate_sections): Likewise.
13855         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
13856         * output.h (class Output_reloc): Update declarations.  Change
13857         u2_.relobj to Sized_relobj*.
13858         (class Output_data_reloc): Change add functions to use
13859         Sized_relobj*.
13860         * output.cc (Output_reloc::Output_reloc): Change relobj to
13861         Sized_relobj*.
13862         (Output_reloc::local_section_offset): Change return type to
13863         Elf_Addr.  Use get_output_section_offset.
13864         (Output_reloc::get_address): Likewise.
13865         (Output_section::is_input_address_mapped): Don't call
13866         is_section_specially_mapped.
13867         (Output_section::output_offset): Likewise.
13868         (Output_section::output_address): Likewise.
13869         (Output_section::starting_output_address): Likewise.
13870         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
13871         parameter to Sized_relobj*.
13872         (Copy_relocs::need_copy_reloc): Likewise.
13873         (Copy_relocs::save): Likewise.
13874         * copy-relocs.h (class Copy_relocs): Update declarations.
13875         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
13876         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
13877         * target-reloc.h (relocate_for_relocatable): Change
13878         offset_in_output_section type to Elf_Addr.  Change code that uses
13879         it as well.
13880         * layout.cc (Layout::layout): Always set *off.
13881         * mapfile.cc (Mapfile::print_input_section): Use
13882         output_section_offset.
13883         * i386.cc (Target_i386::copy_reloc): Change object parameter to
13884         Sized_relobj*.
13885         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
13886         * sparc.cc (Target_sparc::copy_reloc): Likewise.
13887         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
13888
13889 2008-07-03  Ian Lance Taylor  <iant@google.com>
13890
13891         * layout.cc (Layout::include_section): Do not discard unrecognized
13892         SHT_STRTAB sections.
13893
13894 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
13895
13896         * script.cc (Lex::can_continue_name): Make '?' allowable in
13897         version-script names.
13898         * testsuite/version_script.map: Change glob pattern to use '?'
13899
13900 2008-06-30  Manish Singh  <yosh@gimp.org>
13901
13902         PR 6585
13903         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
13904         Correct typo.
13905
13906 2008-06-30  Ian Lance Taylor  <iant@google.com>
13907
13908         PR 6660
13909         PR 6682
13910         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
13911         versions]: Don't try to read the value in the contents, since we
13912         don't use it.  Use the template endianness when writing.
13913
13914 2008-06-25  Cary Coutant  <ccoutant@google.com>
13915
13916         * fileread.cc (File_read::make_view): Assert on zero-length view.
13917         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
13918         symbol table when there are no symbols to read.
13919
13920 2008-06-23  Craig Silverstein  <csilvers@google.com>
13921
13922         * version.cc (version_string): Bump to 1.7
13923
13924 2008-06-18  Craig Silverstein  <csilvers@google.com>
13925
13926         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
13927         constant 0xFFFF to type Valtype.
13928         (Powerpc_relocate_functions::rel16_ha): Likewise.
13929
13930 2008-06-17  Ian Lance Taylor  <iant@google.com>
13931
13932         * output.h (Output_section::Input_section): Initialize p2align_ to
13933         zero for Output_section_data constructors.
13934         (Output_section::Input_section::addralign): If not an input
13935         section, return the alignment of the Output_section_data.
13936         * testsuite/copy_test.cc: New file.
13937         * testsuite/copy_test_1.cc: New file.
13938         * testsuite/copy_test_2.cc: New file.
13939         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
13940         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
13941         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
13942         (copy_test_1_pic.o, copy_test_1.so): New targets.
13943         (copy_test_2_pic.o, copy_test_2.so): New targets.
13944         * testsuite/Makefile.in: Rebuild.
13945
13946         * script-sections.cc (Script_sections::place_orphan): Initialize
13947         local variable exact.
13948
13949 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
13950
13951         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
13952
13953 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
13954             David S. Miller  <davem@davemloft.net>
13955
13956         * powerpc.cc: New file.
13957         * Makefile.am (TARGETSOURCES): Add powerpc.cc
13958         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
13959         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
13960         * Makefile.in: Rebuild.
13961
13962 2008-06-09  Ian Lance Taylor  <iant@google.com>
13963
13964         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
13965         <exception>.
13966         (throwing, orig_terminate): New static variables.
13967         (terminate_handler): New static function.
13968         (t2): Set terminate handler.
13969
13970 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
13971
13972         PR 6584
13973         * binary.cc (Binary_to_elf::sized_convert): Fix .data
13974         alignment.
13975
13976 2008-05-30  Cary Coutant  <ccoutant@google.com>
13977
13978         * archive.cc (Archive::include_all_members) Correct to step
13979         over symbol table and extended name table in thin archives.
13980
13981 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
13982
13983         PR 6407
13984         * target-reloc.h (relocate_for_relocatable): Fix new_offset
13985         calculation.
13986
13987 2008-05-28  Caleb Howe  <cshowe@google.com>
13988
13989         * reduced_debug_output.cc: New file.
13990         * reduced_debug_output.h: New file.
13991         * options.h (class General_options): Add --strip-debug-non-line.
13992         * options.cc (General_options::finalize): Add strip_debug_non_line
13993         to the strip heirarchy.
13994         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
13995         fields.
13996         * layout.cc: Include "reduced_debug_output.h".
13997         (Layout::Layout): Initialize new fields.
13998         (line_only_debug_sections): New static array.
13999         (is_lines_only_debug_sections): New static inline function.
14000         (Layout::include_section): Handle --strip-debug-non-line.
14001         (Layout::make_output_section): If --strip-debug-non-line, build
14002         new output sections for .debug_abbrev and .debug_info.
14003         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
14004         gold.  Warn about possible overflow.
14005         (read_signed_LEB_128): Likewise.
14006         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
14007         (read_signed_LEB_128): Declare.
14008         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
14009         (HFILES): Add reduced_debug_output.h.
14010         * Makefile.in: Rebuild.
14011
14012 2008-05-21  Ian Lance Taylor  <iant@google.com>
14013
14014         * mapfile.cc: New file.
14015         * mapfile.h: New file.
14016         * options.h (class General_options): Add -M/--print-map and -Map.
14017         * options.cc (General_options::finalize): Make -M equivalent to
14018         -Map -.
14019         * main.cc: Include <cstdio> and "mapfile.h".
14020         (main): Open mapfile if requested.
14021         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
14022         constructor.  Change caller.
14023         (queue_initial_tasks): Add mapfile parameter.  Change caller.
14024         (queue_middle_tasks): Likewise.
14025         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
14026         declarations.
14027         * archive.cc: Include "mapfile.h".
14028         (Archive::add_symbols): Add mapfile parameter.  Change all
14029         callers.  Pass mapfile, symbol, and reason to include_member.
14030         (Archive::include_all_members): Add mapfile parameter.  Change all
14031         callers.
14032         (Archive::include_member): Add mapfile, sym, and why parameters.
14033         Change all callers.  Report inclusion to map file.
14034         * archive.h: Include "fileread.h".
14035         (class Archive): Update declarations.
14036         (Archive::file): New const method.
14037         (class Add_archive_symbols): Add mapfile_ field.  Update
14038         constructor.  Change all callers.
14039         * readsyms.h (class Read_symbols): Likewise.
14040         (class Finish_group): Likewise.
14041         (class Read_script): Likewise.
14042         * common.cc: Include "mapfile.h".
14043         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
14044         all callers.
14045         (Symbol_table::do_allocate_commons): Likewise.
14046         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
14047         symbol allocation to mapfile.
14048         * common.h (class Allocate_commons_task): Add mapfile_ field.
14049         Update constructor.  Change all callers.
14050         * symtab.h (class Symbol_table): Update declarations.
14051         * layout.cc: Include "mapfile.h".
14052         (Layout_task_runner::run): Print information to mapfile.
14053         (Layout::create_gold_note): Change Output_data_fixed_space to
14054         Output_data_zero_fill.
14055         (Layout::create_build_id): Likewise.
14056         (Layout::print_to_mapfile): New function.
14057         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
14058         constructor.  Change caller.
14059         (class Layout): Declare print_to_mapfile.
14060         * output.cc (Output_section::Input_section::print_to_mapfile): New
14061         function.
14062         (Output_section::add_input_section): If producing a map, always
14063         add to input_sections_ list.
14064         (Output_section::do_print_to_mapfile): New function.
14065         (Output_segment::print_sections_to_mapfile): New function.
14066         (Output_segment::print_section_list_to_mapfile): New function.
14067         * output.h: Include "mapfile.h".
14068         (Output_data::print_to_mapfile): New function.
14069         (Output_data::do_print_to_mapfile): New virtual function.
14070         (Output_segment_headers::do_print_to_mapfile): New function.
14071         (Output_file_header::do_print_to_mapfile): New function.
14072         (Output_data_const::do_print_to_mapfile): New function.
14073         (class Output_data_const_buffer): Add map_name_ field.  Update
14074         constructor.  Change all callers.  Add do_print_to_mapfile
14075         function.
14076         (class Output_data_fixed_space): Likewise.
14077         (class Output_data_space): Likewise.
14078         (class Output_data_zero_fill): New class.
14079         (Output_data_strtab::do_print_to_mapfile): New function.
14080         (Output_data_reloc_base::do_print_to_mapfile): New function.
14081         (Output_relocatable_relocs::do_print_to_mapfile): New function.
14082         (Output_data_group::do_print_to_mapfile): New function.
14083         (Output_data_got::do_print_to_mapfile): New function.
14084         (Output_data_dynamic::do_print_to_mapfile): New function.
14085         (Output_symtab_xindex::do_print_to_mapfile): New function.
14086         (class Output_section): Declare do_print_to_mapflie.  Declare
14087         print_to_mapfile in Input_section.
14088         (class Output_segment): Declare new functions.
14089         * object.h (Sized_relobj::symbol_count): New function.
14090         * script-sections.cc
14091         (Output_section_element_dot_assignment::set_section_addresses):
14092         Change Output_data_fixed_space to Output_data_zero_fill.
14093         (Output_data_expression::do_print_to_mapfile): New function.
14094         * script.cc (read_input_script): Add mapfile parameter.  Change
14095         all callers.
14096         * script.h (read_input_script): Update declaration.
14097         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
14098         (Eh_frame::do_print_to_mapfile): New function.
14099         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
14100         (Output_merge_string::do_print_to_mapfile): New function.
14101         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
14102         function.
14103         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
14104         function.
14105         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
14106         function.
14107         * Makefile.am (CCFILES): Add mapfile.cc.
14108         (HFILES): Add mapfile.h.
14109         * Makefile.in: Rebuild.
14110
14111 2008-05-19  Ian Lance Taylor  <iant@google.com>
14112
14113         * options.h (class General_options): Add -z relro.
14114         * layout.cc (Layout::Layout): Initialize relro_segment_.
14115         (Layout::add_output_section_data): Return the output section.
14116         (Layout::make_output_section): Rcognize relro sections and mark
14117         them appropriately.
14118         (Layout::attach_allocated_section_to_segment): Put relro sections
14119         in a PT_GNU_RELRO segment.
14120         (Layout::create_initial_dynamic_sections): Mark the .dynamic
14121         section as relro.
14122         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
14123         PT_TLS segments.
14124         (Layout::linkonce_mapping): Map d.rel.ro.local to
14125         .data.rel.ro.local.
14126         (Layout::output_section_name): Us .data.rel.ro.local for any
14127         section which begins with that.
14128         * layout.h (class Layout): Update add_output_section_data
14129         declaration.  Add relro_segment_ field.
14130         * output.cc (Output_section::Output_section): Initialize is_relro_
14131         and is_relro_local_ fields.
14132         (Output_segment::add_output_section): Group relro sections.
14133         (Output_segment::is_first_section_relro): New function.
14134         (Output_segment::maximum_alignment): If there is a relro section,
14135         align the segment to the common page size.
14136         (Output_segment::set_section_addresses): Track whether we are
14137         looking at relro sections.  If the last section is a relro
14138         section, align to the common page size.
14139         (Output_segment::set_section_list_addresses): Add in_relro
14140         parameter.  Change all callers.  Align to the page size when
14141         moving from relro to non-relro section.
14142         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
14143         segment.
14144         * output.h (class Output_section): Add is_relro_ and
14145         is_relro_local_ fields.
14146         (Output_section::is_relro): New function.
14147         (Output_section::set_is_relro): New function.
14148         (Output_section::is_relro_local): New function.
14149         (Output_section::set_is_relro_local): New function.
14150         (class Output_segment): Update declarations.
14151         * i386.cc (Target_i386::got_section): Mark .got section as relro.
14152         * sparc.cc (Target_sparc::got_section): Likewise.
14153         * x86_64.cc (Target_x86_64::got_section): Likewise.
14154         * testsuite/relro_test_main.cc: New file.
14155         * testsuite/relro_test.cc: New file.
14156         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
14157         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
14158         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
14159         (relro_test.so, relro_test_pic.o): New targets.
14160         * testsuite/Makefile.in: Rebuild.
14161
14162 2008-05-16  Ian Lance Taylor  <iant@google.com>
14163
14164         * output.cc (Output_segment::add_output_section): Remove front
14165         parameter.
14166         * output.h (class Output_segment): Remove
14167         add_initial_output_section and overloaded add_output_section.
14168         Update declaration of remaining add_output_section.
14169         * layout.cc (Layout::create_interp): Call add_output_section
14170         rather than add_initial_output_section.
14171         (Layout::finish_dynamic_section): Likewise.
14172
14173         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
14174         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
14175         know the dynamic type.
14176         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
14177         field.  Initialize it in constructor.
14178         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
14179         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
14180         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
14181         reloc.
14182
14183         * output.cc (Output_reloc::get_address): Change return type to
14184         Elf_Addr.
14185         * output.h (class Output_reloc): Update get_address declaration.
14186         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
14187         for section addresses.
14188
14189 2008-05-09  Ian Lance Taylor  <iant@google.com>
14190
14191         PR 6493
14192         * gold.cc (gold_nomem): Use return value of write.
14193
14194 2008-05-08  Ian Lance Taylor  <iant@google.com>
14195
14196         * symtab.c (Symbol::init_base_output_data): Add version
14197         parameter.  Change all callers.
14198         (Symbol::init_base_output_segment): Likewise.
14199         (Symbol::init_base_constant): Likewise.
14200         (Symbol::init_base_undefined): Likewise.
14201         (Sized_symbol::init_output_data): Likewise.
14202         (Sized_symbol::init_output_segment): Likewise.
14203         (Sized_symbol::init_constant): Likewise.
14204         (Sized_symbol::init_undefined): Likewise.
14205         (Symbol_table::do_define_in_output_data): If the new symbol has a
14206         version, mark it as the default.
14207         (Symbol_table::do_define_in_output_segment): Likewise.
14208         (Symbol_table::do_define_as_constant): Likewise.
14209         * symtab.h (class Symbol): Update declarations.
14210         (class Sized_symbol): Likewise.
14211         * resolve.cc (Symbol::override_version): New function.
14212         (Symbol::override_base): Call override_version.
14213         (Symbol::override_base_with_special): Likewise.
14214         * testsuite/ver_script_8.script: New file.
14215         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
14216         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
14217         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
14218         (ver_test_8_1.so, ver_test_8_2.so): New targets.
14219
14220 2008-05-06  Ian Lance Taylor  <iant@google.com>
14221
14222         PR 6049
14223         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
14224         functions.
14225         (class General_options): Remove existing --undefined, and add
14226         --no-undefined instead.  Add new --undefined as synonym for -u.
14227         * archive.cc (Archive::add_symbols): Check whether symbol was
14228         named with -u.
14229         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
14230         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
14231         all uses.  Add IS_UNDEFINED.  Update declarations to split
14232         different versions of init_base.  Declare init_base_undefined.
14233         (Symbol::is_defined): Handle IS_UNDEFINED.
14234         (Symbol::is_undefined): Likewise.
14235         (Symbol::is_weak_undefined): Call is_undefined.
14236         (Symbol::is_absolute): Handle IS_CONSTANT.
14237         (class Sized_symbol): Update declarations to split different
14238         versions of init.  Declare init_undefined.
14239         (class Symbol_table): Declare new functions.
14240         * symtab.cc (Symbol::init_base_object): Rename from init_base.
14241         Change all callers.
14242         (Symbol::init_base_output_data): Likewise.
14243         (Symbol::init_base_output_segment): Likewise.
14244         (Symbol::init_base_constant): Likewise.
14245         (Symbol::init_base_undefined): New function.
14246         (Sized_symbol::init_object): Rename from init.  Change all
14247         callers.
14248         (Sized_symbol::init_output_data): Likewise.
14249         (Sized_symbol::init_output_segment): Likewise.
14250         (Sized_symbol::init_constant): Likewise.
14251         (Sized_symbol::init_undefined): New function.
14252         (Symbol_table::add_undefined_symbols_from_command_line): New
14253         function.
14254         (Symbol_table::do_add_undefined_symbols_from_command_line): New
14255         function.
14256         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
14257         (Symbol::output_section): Likewise.
14258         (Symbol::set_output_section): Likewise.
14259         (Symbol_table::sized_finalize_symbol): Likewise.
14260         (Symbol_table::sized_write_globals): Likewise.
14261         * resolve.cc (Symbol_table::should_override): Likewise.
14262         (Symbol::override_base_with_special): Likewise.
14263
14264         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
14265         symbol, change it to have default visibility.
14266         * testsuite/protected_1.cc: New file.
14267         * testsuite/protected_2.cc: New file.
14268         * testsuite/protected_3.cc: New file.
14269         * testsuite/protected_main_1.cc: New file.
14270         * testsuite/protected_main_2.cc: New file.
14271         * testsuite/protected_main_3.cc: New file.
14272         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
14273         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
14274         (protected_1_LDFLAGS, protected_1_LDADD): Define.
14275         (protected_1.so): New target.
14276         (protected_1_pic.o, protected_2_pic.o): New targets.
14277         (protected_3_pic.o): New target.
14278         (check_PROGRAMS): Add protected_2.
14279         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
14280         (protected_2_LDFLAGS, protected_2_LDADD): Define.
14281         * testsuite/Makefile.in: Rebuild.
14282
14283         * options.h (DEFINE_var): Add set_user_set_##varname__.
14284         (DEFINE_bool_alias): New macro.
14285         (class General_options): Define -Bstatic using DEFINE_bool_alias
14286         rather than DEFINE_special.  Add --undefined as an alias for -z
14287         defs.
14288         * options.cc (General_options::parse_Bstatic): Remove.
14289
14290         * options.h (class General_options): Add --fatal-warnings.
14291         * main.cc (main): Implement --fatal-warnings.
14292         * errors.h (Errors::warning_count): New function.
14293
14294         * options.h (class General_options): Add -Bsymbolic-functions.
14295         * symtab.h (Symbol::is_preemptible): Check for
14296         -Bsymbolic-functions.
14297
14298 2008-05-05  Ian Lance Taylor  <iant@google.com>
14299
14300         * options.h (DEFINE_bool): For DASH_Z, create the negative option
14301         as noVARNAME rather than no-VARNAME.
14302         (class General_options): Add option -z combreloc.
14303         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
14304         get_address.
14305         (Output_reloc::sort_before) [SHT_REL]: New function.
14306         (Output_reloc::sort_before) [SHT_RELA]: New function.
14307         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
14308         Sort_relocs_comparison.
14309         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
14310         parameter.  Change all callers.
14311         (Output_data_reloc::Output_data_reloc) [both versions]: Add
14312         sort_relocs parameter.  Change all callers.
14313         * output.cc (Output_reloc::get_address): New function, broken out
14314         of write_rel.
14315         (Output_reloc::write_rel): Call it.
14316         (Output_reloc::compare): New function.
14317         (Output_data_reloc_base::do_write): Optionally sort relocs.
14318
14319         * configure.ac: If targ_extra_obj is set, link it in.
14320         * configure.tgt: Initialize all variables.
14321         (x86_64*): Set targ_extra_obj and targ_extra_size.
14322         * configure: Rebuild.
14323
14324         * object.cc (Sized_relobj::include_section_group): Adjust section
14325         indexes read from group data.  Build vector to pass to
14326         layout_group.
14327         * layout.cc (Layout::layout_group): Add flags and shndxes
14328         parameters.  Remove contents parameter.  Change caller.  Update
14329         explicit instantiations.
14330         * layout.h (class Layout): Update layout_group declaration.
14331         * output.cc (Output_data_group::Output_data_group): Add flags and
14332         input_shndxes parameters.  Remove contents parameter.  Change
14333         caller.
14334         (Output_data_group::do_write): Change input_sections_ to
14335         input_shndxes_.
14336         * output.h (class Output_data_group): Update constructor
14337         declaration.  Rename input_sections_ to input_shndxes_.
14338         * testsuite/many_sections_test.cc: Add template.
14339
14340 2008-04-30  Cary Coutant  <ccoutant@google.com>
14341
14342         * target-reloc.h (relocate_section): Fix dead-pointer bug.
14343
14344         * layout.cc (Layout::include_section): Refactored check for debug
14345         info section.
14346         (Layout::add_comdat): Add new parameters.  Change type
14347         of signature parameter.  Add object and shndx to signatures table.
14348         (Layout::find_kept_object): New function.
14349         * layout.h: Include <cstring>.
14350         (Layout::is_debug_info_section): New function.
14351         (Layout::add_comdat): Add new parameters.
14352         (Layout::find_kept_object): New function.
14353         (Layout::Kept_section): New struct.
14354         (Layout::Signatures): Change type of map range.
14355         * object.cc (Relobj::output_section_address): New function.
14356         (Sized_relobj::include_section_group): Add new parameters.  Change
14357         calls to Layout::add_comdat.  Change to build table of kept comdat
14358         groups and table mapping discarded sections to kept sections.
14359         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
14360         (Sized_relobj::do_layout): Change calls to include_section_group and
14361         include_linkonce_section.
14362         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
14363         value to zero when section is discarded.
14364         (Sized_relobj::map_to_kept_section): New function.
14365         * object.h (Relobj::output_section_address): New function.
14366         (Relobj::Comdat_group): New type.
14367         (Relobj::find_comdat_group): New function.
14368         (Relobj::Comdat_group_table): New type.
14369         (Relobj::Kept_comdat_section): New type.
14370         (Relobj::Kept_comdat_section_table): New type.
14371         (Relobj::add_comdat_group): New function.
14372         (Relobj::set_kept_comdat_section): New function.
14373         (Relobj::get_kept_comdat_section): New function.
14374         (Relobj::comdat_groups_): New field.
14375         (Relobj::kept_comdat_sections_): New field.
14376         (Symbol_value::input_value): Update comment.
14377         (Sized_relobj::map_to_kept_section) New function.
14378         (Sized_relobj::include_linkonce_section): Add new parameter.
14379         * target-reloc.h (Comdat_behavior): New type.
14380         (get_comdat_behavior): New function.
14381         (relocate_section): Add code to map a discarded section to the
14382         corresponding kept section when applying a relocation.
14383
14384 2008-04-30  Craig Silverstein  <csilvers@google.com>
14385
14386         * dwarf_reader.cc (next_generation_count): New static var.
14387         (Addr2line_cache_entry): New struct.
14388         (addr2line_cache): New static var.
14389         (Dwarf_line_info::one_addr2line): Added caching.
14390         (Dwarf_line_info::clear_addr2line_cache): New function.
14391         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
14392         cache-size parameter.
14393         (Dwarf_line_info::one_addr2line_cache): New function.
14394         * symtab.cc (Symbol_table::detect_odr_violations): Pass
14395         new cache-size argument to one_addr2line(), and clear cache.
14396
14397 2008-04-28  Cary Coutant  <ccoutant@google.com>
14398
14399         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
14400         R_386_PC8 relocations.
14401
14402 2008-04-23  Ian Lance Taylor  <iant@google.com>
14403
14404         * object.cc (Sized_relobj::include_section_group): Check for
14405         invalid section group.
14406
14407         * object.cc (make_elf_object): Correct test for 64-bit ELF file
14408         header size.
14409
14410         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
14411         than read for file header.
14412         * archive.cc (Archive::include_member): Likewise.
14413
14414 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
14415
14416         * aclocal.m4: Regenerate.
14417         * configure: Regenerate.
14418
14419 2008-04-19  Ian Lance Taylor  <iant@google.com>
14420
14421         * version.cc (version_string): Bump to 1.6.
14422
14423         * testsuite/Makefile.am (many_sections_r_test): New target.
14424         (many_sections_r_test_SOURCES): Remove.
14425         (many_sections_r_test_DEPENDENCIES): Remove.
14426         (many_sections_r_test_LDFLAGS): Remove.
14427         (many_sections_r_test_LDADD): Remove.
14428
14429         * object.cc (Sized_relobj::do_add_symbols): Always pass
14430         local_symbol_count_ to add_from_relobj.
14431
14432         * testsuite/Makefile.am (many_sections_check.h): Only check one in
14433         every thousand variables.
14434         * testsuite/Makefile.in: Rebuild.
14435
14436         * object.cc (Xindex::initialize_symtab_xindex): New function.
14437         (Xindex::read_symtab_xindex): New function.
14438         (Xindex::sym_xindex_to_shndx): New function.
14439         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
14440         available.
14441         (Sized_relobj::do_initialize_xindex): New function.
14442         (Sized_relobj::do_read_symbols): Adjust section links.
14443         (Sized_relobj::symbol_section_and_value): Add is_ordinary
14444         parameter.  Change all callers.
14445         (Sized_relobj::include_section_group): Adjust section links and
14446         symbol section indexes.
14447         (Sized_relobj::do_layout): Adjust section links.
14448         (Sized_relobj::do_count_local_symbols): Adjust section links and
14449         symbol section indexes.
14450         (Sized_relobj::do_finalize_local_symbols): Distinguish between
14451         ordinary and special symbols.
14452         (Sized_relobj::write_local_symbols): Add symtab_xindex and
14453         dynsym_xindex parameters.  Change all callers.  Adjust section
14454         links.  Use SHN_XINDEX when needed.
14455         (Sized_relobj::get_symbol_location_info): Adjust section links.
14456         Don't get fooled by special symbols.
14457         * object.h (class Xindex): Define.
14458         (class Object): Add xindex_ parameter.  Declare virtual functoin
14459         do_initialize_xindex.
14460         (Object::adjust_sym_shndx): New function.
14461         (Object::set_xindex): New protected function.
14462         (class Symbol_value): Add is_ordinary_shndx_ field.
14463         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
14464         (Symbol_value::value): Assert ordinary section.
14465         (Symbol_value::initialize_input_to_output_map): Likewise.
14466         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
14467         Change all callers.
14468         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
14469         all callers.
14470         (class Sized_relobj): Update declarations.
14471         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
14472         parameter.  Change all callers.
14473         (Sized_relobj::adjust_shndx): New function.
14474         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
14475         field.
14476         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
14477         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
14478         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
14479         (Sized_dynobj::read_dynsym_section): Adjust section links.
14480         (Sized_dynobj::read_dynamic): Likewise.
14481         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
14482         section links.
14483         (Sized_dynobj::do_initialize_xindex): New function.
14484         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
14485         do_initialize_xindex.
14486         (Sized_dynobj::adjust_shndx): New function.
14487         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
14488         dynsym_xindex_ fields.
14489         (Layout::finalize): Add a call to set_section_indexes before
14490         creating the symtab sections.
14491         (Layout::set_section_indexes): Don't do anything if the section
14492         already has a section index.
14493         (Layout::create_symtab_sections): Add shnum parameter.  Change
14494         caller.  Create .symtab_shndx section if needed.
14495         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
14496         caller.
14497         (Layout::allocated_output_section_count): New function.
14498         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
14499         needed.
14500         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
14501         fields.  Update declarations.
14502         (Layout::symtab_xindex): New function.
14503         (Layout::dynsym_xindex): New function.
14504         (class Write_symbols_task): Add layout_ field.
14505         (Write_symbols_task::Write_symbols_task): Add layout parameter.
14506         Change caller.
14507         * output.cc (Output_section_headers::Output_section_headers): Add
14508         shstrtab_section parameter.  Change all callers.
14509         (Output_section_headers::do_sized_write): Store overflow values
14510         for section count and section string table section index in
14511         section header zero.
14512         (Output_file_header::do_sized_write): Check for overflow of
14513         section count and section string table section index.
14514         (Output_symtab_xindex::do_write): New function.
14515         (Output_symtab_xindex::endian_do_write): New function.
14516         * output.h (class Output_section_headers): Add shstrtab_section_.
14517         Update declarations.
14518         (class Output_symtab_xindex): Define.
14519         (Output_section::has_out_shndx): New function.
14520         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
14521         field.
14522         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
14523         Change all callers.
14524         (Sized_symbol::init): Likewise.
14525         (Symbol::output_section): Check for ordinary symbol.
14526         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
14527         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
14528         callers.
14529         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
14530         Change all callers.  Simplify handling of symbols from sections
14531         not included in the link.
14532         (Symbol_table::add_from_dynobj): Handle ordinary symbol
14533         distinction.
14534         (Weak_alias_sorter::operator()): Assert that symbols are
14535         ordinary.
14536         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
14537         distinction.
14538         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
14539         parameters.  Change all callers.
14540         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
14541         symbol distinction.  Use SHN_XINDEX when needed.
14542         (Symbol_table::write_section_symbol): Add symtab_xindex
14543         parameter.  Change all callers.
14544         (Symbol_table::sized_write_section_symbol): Likewise.  Use
14545         SHN_XINDEX when needed.
14546         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
14547         declarations.
14548         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
14549         (Symbol::is_defined): Check is_ordinary.
14550         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
14551         (Symbol::is_absolute, Symbol::is_common): Likewise.
14552         (class Sized_symbol): Update declarations.
14553         (class Symbol_table): Update declarations.
14554         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
14555         parameters.  Change all callers.
14556         (Sized_symbol::override): Likewise.
14557         (Symbol_table::override): Likewise.
14558         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
14559         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
14560         is_ordinary, and orig_st_shndx parameters.  Change all callers.
14561         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
14562         to be in an ordinary section.
14563         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
14564         object and is_ordinary parameters.  Change all callers.
14565         (Sized_dwarf_line_info::read_relocs): Add object parameter.
14566         Change all callers.  Don't add undefined or non-ordinary symbols
14567         to reloc_map_.
14568         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
14569         Change all callers.
14570         * dwarf_reader.h (class Sized_dwarf_line_info): Update
14571         declarations.
14572         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
14573         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
14574         (Sized_relobj::relocate_sections): Likewise.
14575         * target-reloc.h (scan_relocs): Adjust section symbol index.
14576         (scan_relocatable_relocs): Likewise.
14577         * i386.cc (Scan::local): Check for ordinary symbols.
14578         * sparc.cc (Scan::local): Likewise.
14579         * x86_64.cc (Scan::local): Likewise.
14580         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
14581         to symbol_section_and_value.
14582         * testsuite/many_sections_test.cc: New file.
14583         * testsuite/Makefile.am (BUILT_SOURCES): Define.
14584         (check_PROGRAMS): Add many_sections_test.
14585         (many_sections_test_SOURCES): Define.
14586         (many_sections_test_DEPENDENCIES): Define.
14587         (many_sections_test_LDFLAGS): Define.
14588         (BUILT_SOURCES): Add many_sections_define.h.
14589         (many_sections_define.h): New target.
14590         (BUILT_SOURCES): Add many_sections_check.h.
14591         (many_sections_check.h): New target.
14592         (check_PROGRAMS): Add many_sections_r_test.
14593         (many_sections_r_test_SOURCES): Define.
14594         (many_sections_r_test_DEPENDENCIES): Define.
14595         (many_sections_r_test_LDFLAGS): Define.
14596         (many_sections_r_test_LDADD): Define.
14597         (many_sections_r_test.o): New target.
14598         * testsuite/Makefile.in: Rebuild.
14599
14600 2008-04-17  Cary Coutant  <ccoutant@google.com>
14601
14602         * errors.cc (Errors::info): New function.
14603         (gold_info): New function.
14604         * errors.h (Errors::info): New function.
14605         * gold.h (gold_info): New function.
14606         * object.cc (Input_objects::add_object): Print trace output.
14607         * options.cc (options::parse_set): New function.
14608         (General_options::parse_wrap): Deleted.
14609         (General_options::General_options): Deleted initializer.
14610         * options.h (options::String_set): New typedef.
14611         (options::parse_set): New function.
14612         (DEFINE_set): New macro.
14613         (General_options::wrap): Changed to use DEFINE_set. Changed
14614         callers of any_wrap_symbols and is_wrap_symbol.
14615         (General_options::trace, General_options::trace_symbol):
14616         New options.
14617         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
14618         (General_options::wrap_symbols_): Deleted.
14619         * symtab.cc (Symbol_table::add_from_object): Print trace output.
14620
14621 2008-04-17  David S. Miller  <davem@davemloft.net>
14622
14623         * options.cc (General_options::parse_V): New function.
14624         * options.h: Add entries for -V and -Qy.
14625
14626 2008-04-17  Ian Lance Taylor  <iant@google.com>
14627
14628         * common.cc (Symbol_table::allocate_commons): Remove options
14629         parameter.  Change caller.
14630         (Symbol_table::do_allocate_commons): Remove options parameter.
14631         Change caller.  Just call do_allocate_commons_list twice.
14632         (Symbol_table::do_allocate_commons_list): New function, broken out
14633         of do_allocate_commons.
14634         * common.h (class Allocate_commons_task): Remove options_ field.
14635         Update constructor.
14636         * symtab.cc (Symbol_table::Symbol_table): Initialize
14637         tls_commons_.
14638         (Symbol_table::add_from_object): Put TLS common symbols on
14639         tls_commons_ list.
14640         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
14641         which are IN_OUTPUT_DATA.
14642         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
14643         allocate_commons and do_allocate_commons declarations.  Declare
14644         do_allocate_commons_list.
14645         * gold.cc (queue_middle_tasks): Update creation of
14646         Allocate_commons_task to not pass options.
14647         * testsuite/Makefile.am (INCLUDES): Add -I.. .
14648         (TLS_TEST_C_FLAGS): New variable.
14649         (tls_test_c_pic.o): New target.
14650         (tls_test_shared.so): Link in tls_test_c_pic.o.
14651         (tls_test_c_pic_ie.o): New target.
14652         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
14653         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
14654         (tls_test_c.o): New target.
14655         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
14656         (tls_pic_test_LDADD): Likewise.
14657         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
14658         (tls_shared_gd_to_ie_test_LDADD): Likewise.
14659         (tls_test_c_gnu2.o): New target.
14660         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
14661         tls_test_c_gnu2.o.
14662         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
14663         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
14664         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
14665         * testsuite/tls_test.cc: Include "config.h".
14666         (t_last): Call t11_last.
14667         * testsuite/tls_test.h (t11, t11_last): Declare.
14668         * testsuite/tls_test_c.c: New file.
14669         * testsuite/tls_test_main.cc (thread_routine): Call t11.
14670         * configure.ac: Check for OpenMP support.
14671         * configure, config.in, Makefile.in: Rebuild.
14672         * testsuite/Makefile.in: Rebuild.
14673
14674 2008-04-16  Cary Coutant  <ccoutant@google.com>
14675
14676         * i386.cc (Target_i386::define_tls_base_symbol): New function.
14677         (Target_i386::tls_base_symbol_defined_): New field.
14678         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
14679         (Target_i386::Scan::global): Likewise.
14680         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
14681         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
14682         (Target_x86_64::tls_base_symbol_defined_): New field.
14683         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
14684         (Target_x86_64::Scan::global): Likewise.
14685
14686 2008-04-16  Cary Coutant  <ccoutant@google.com>
14687
14688         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
14689         (Symbol::needs_plt_entry): Allow weak undefined symbols.
14690         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
14691         building shared libraries.
14692         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
14693         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
14694         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
14695         * testsuite/Makefile.in: Rebuild.
14696         * testsuite/weak_undef.h: New file.
14697         * testsuite/weak_undef_file1.cc: Add extra test cases.
14698         * testsuite/weak_undef_file2.cc: Likewise.
14699         * testsuite/weak_undef_test.cc: Likewise.
14700
14701 2008-04-16  David S. Miller  <davem@davemloft.net>
14702
14703         * sparc.cc (Target_sparc::Scan): Change from struct to class.
14704         Add issued_non_pic_error_ field.  Declare check_non_pic.
14705         (Target_sparc::Scan::check_non_pic): New function.
14706         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
14707         (Target_sparc::Scan::global): Likewise.
14708
14709         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
14710         * configure: Rebuild.
14711
14712         * options.h (DEFINE_enable): New macro.
14713         (new_dtags): New enable option.
14714         (initfirst, interpose, loadfltr, nodefaultlib,
14715         nodelete, nodlopen, nodump): New -z options.
14716         * layout.cc (Layout:finish_dynamic_section): If new
14717         dtags enabled, emit DT_RUNPATH.  Also, emit a
14718         DT_FLAGS_1 containing any specified -z flags.
14719
14720 2008-04-16  Ian Lance Taylor  <iant@google.com>
14721
14722         * copy-relocs.cc: New file.
14723         * copy-relocs.h: New file.
14724         * reloc.cc: Remove Copy_relocs code.
14725         * reloc.h: Likewise.
14726         * reloc-types.h (struct Reloc_types) [both versions]: Add
14727         get_reloc_addend_noerror.
14728         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
14729         variants of add_global which take an addend which must be zero.
14730         * i386.cc: Include "copy-relocs.h".
14731         (class Target_i386): Change type of copy_relocs_ to variable,
14732         update initializer.
14733         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
14734         Change all callers.
14735         (Target_i386::do_finalize_sections): Change handling of
14736         copy_relocs_.
14737         * sparc.cc: Include "copy-relocs.h".
14738         (class Target_sparc): Change type of copy_relocs_ to variable,
14739         update initializer.
14740         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
14741         Change all callers.
14742         (Target_sparc::do_finalize_sections): Change handling of
14743         copy_relocs_.
14744         * x86_64.cc: Include "copy-relocs.h".
14745         (class Target_x86_64): Change type of copy_relocs_ to variable,
14746         update initializer.
14747         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
14748         class.  Change all callers.
14749         (Target_x86_64::do_finalize_sections): Change handling of
14750         copy_relocs_.
14751         * Makefile.am (CCFILES): Add copy-relocs.cc.
14752         (HFILES): Add copy-relocs.h.
14753
14754         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
14755
14756         * testsuite/script_test_4.sh: Permit leading zeroes.
14757
14758 2008-04-15  Ian Lance Taylor  <iant@google.com>
14759
14760         * script-sections.cc (Script_sections::create_segments): Use
14761         header_size_adjustment even when there is enough room for the
14762         headers.
14763         * testsuite/script_test_4.sh: New file.
14764         * testsuite/script_test_4.t: New file.
14765         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
14766         (check_DATA): Add script_test_4.stdout.
14767         (MOSTLYCLEANFILES): Likewise.
14768         (script_test_4): New target.
14769         (script_test_4.stdout): New target.
14770         * testsuite/Makefile.in: Rebuild.
14771
14772         * sparc.cc: Add definitions for Output_data_plt_sparc class
14773         constants.
14774
14775 2008-04-14  David S. Miller  <davem@davemloft.net>
14776
14777         * sparc.cc: New file.
14778         * Makefile.am (TARGETSOURCES): Add sparc.cc
14779         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
14780         * configure.tgt: Document targ_extra_size and
14781         targ_extra_big_endian.  Add entries for sparc-* and
14782         sparc64-*.
14783         * configure.ac: Handle targ_extra_size and
14784         targ_extra_big_endian.
14785         * Makefile.in: Rebuild.
14786         * configure: Likewise.
14787         * po/POTFILES.in: Likewise.
14788         * po/gold.pot: Likewise.
14789
14790 2008-04-14  Ian Lance Taylor  <iant@google.com>
14791
14792         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
14793         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
14794         in the name/type/flags to section mapping.  Don't call
14795         allocate_output_section.
14796         (Layout::choose_output_section): Change parameter from adjust_name
14797         to is_input_section.  Don't permit input sections after sections
14798         are attached to segments.  Don't call allocate_output_section.
14799         (Layout::layout_eh_frame): Call update_flags_for_input_section,
14800         not write_enable_output_section.
14801         (Layout::make_output_section): Don't push to
14802         unattached_section_list_ nor call attach_to_segment.  Call
14803         attach_section_to_segment if sections are attached.
14804         (Layout::attach_sections_to_segments): New function.
14805         (Layout::attach_section_to_segment): New function.
14806         (Layout::attach_allocated_section_to_segment): Rename from
14807         attach_to_segment.  Remove flags parameter.
14808         (Layout::allocate_output_section): Remove function.
14809         (Layout::write_enable_output_section): Remove function.
14810         * layout.h (class Layout): Update for above changes.  Add new
14811         field sections_are_attached_.
14812         * output.h (Output_section::update_flags_for_input_section): New
14813         function.
14814         * output.cc (Output_section::add_input_section): Call
14815         update_flags_for_input_section.
14816         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
14817
14818 2008-04-11  Cary Coutant  <ccoutant@google.com>
14819
14820         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
14821         thought unnecessary.
14822         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
14823
14824 2008-04-11  Ian Lance Taylor  <iant@google.com>
14825
14826         * output.h (class Output_section_data): Remove inline definition
14827         of set_addralign.
14828         * output.cc (Output_section_data::set_addralign): New function.
14829
14830 2008-04-11  Cary Coutant  <ccoutant@google.com>
14831
14832         Add support for TLS descriptors for i386 and x86_64.
14833         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
14834         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
14835         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
14836         GOT_TYPE_TLS_DESC.
14837         (Target_i386::got_mod_index_entry): Remove unnecessary code.
14838         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
14839         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
14840         relocations.
14841         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
14842         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
14843         Fix problem with initial-exec relocations.
14844         (Target_i386::Relocate::relocate_tls): Likewise.
14845         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
14846         relaxation.
14847         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
14848         support for section-plus-offset dynamic table entries.
14849         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
14850         (Output_data_dynamic::Dynamic_entry): Add support for
14851         section-plus-offset dynamic table entries.
14852         (Output_data_dynamic::Classification): Likewise.
14853         (Output_data_dynamic::classification_): Renamed offset_.
14854         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
14855         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
14856         (Target_x86_64::make_plt_section): New function.
14857         (Target_x86_64::reserve_tlsdesc_entries): New function.
14858         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
14859         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
14860         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
14861         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
14862         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
14863         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
14864         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
14865         add extra PLT entry for TLS descriptors.
14866         (Output_data_plt_x86_64::got_): New field.
14867         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
14868         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
14869         fields.
14870         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
14871         descriptors.
14872         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
14873         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
14874         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
14875         R_386_TLS_DESC_CALL relocations.
14876         (Target_x86_64::Scan::global): Likewise.
14877         (Target_x86_64::do_finalize_sections): Add dynamic table entries
14878         for TLS descriptors.
14879         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
14880         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
14881         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
14882         GD-to-IE relaxation.
14883         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
14884         and TLS_DESCRIPTORS.
14885         * Makefile.in: Rebuild.
14886         * configure: Rebuild.
14887         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
14888         (tls_test_shared2.so): New target.
14889         (tls_shared_gd_to_ie_test_SOURCES): New variable.
14890         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
14891         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
14892         (tls_shared_gd_to_ie_test_LDADD): New variable.
14893         (tls_shared_gnu2_gd_to_ie_test): New target.
14894         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
14895         New targets.
14896         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
14897         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
14898         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
14899         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
14900         (tls_shared_gnu2_test): New target.
14901         (tls_test_gnu2_shared.so): New target.
14902         (tls_shared_gnu2_test_SOURCES): New variable.
14903         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
14904         (tls_shared_gnu2_test_LDFLAGS): New variable.
14905         (tls_shared_gnu2_test_LDADD): New variable.
14906         * testsuite/Makefile.in: Rebuild.
14907         * testsuite/Makefile.
14908
14909 2008-04-11  Ian Lance Taylor  <iant@google.com>
14910
14911         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
14912         justsyms.t.
14913         * testsuite/Makefile.in: Rebuild.
14914
14915         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
14916         long.
14917         * testsuite/script_test_2.cc (main): Adjust test.
14918
14919 2008-04-11  David S. Miller  <davem@davemloft.net>
14920             Ian Lance Taylor  <iant@google.com>
14921
14922         * options.h (General_options): Add entries for '-Y' and
14923         '-relax'.
14924         * options.cc (General_options:finalize): If -Y was used, add those
14925         entries to the library path instead of the default "/lib" and
14926         "/usr/lib".
14927
14928 2008-04-11  David S. Miller  <davem@davemloft.net>
14929
14930         * testsuite/justsyms.t: Start at 0x100.
14931         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
14932         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
14933         long.
14934         * testsuite/script_test_2.cc: Adjust string and section length
14935         checks.
14936
14937 2008-04-09  Ian Lance Taylor  <iant@google.com>
14938
14939         PR gold/5996
14940         * script-sections.cc (Sections_element::allocate_to_segment): Add
14941         orphan parameter.
14942         (Output_section_definition::allocate_to_segment): Likewise.
14943         (Orphan_output_section::allocate_to_segment): Likewise.
14944         (Script_sections::attach_sections_using_phdrs_clause): Don't
14945         propagate non-PT_LOAD segments to orphan sections.
14946         * testsuite/Makefile.am (script_test_3.stdout): Generate using
14947         readelf rather than objdump.
14948         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
14949         .interp section and PT_INTERP segment are the same size.
14950         * testsuite/Makefile.in: Rebuild.
14951
14952         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
14953         aliases for symbols defined in the same object.
14954         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
14955         (weak_alias_test_SOURCES): New variable.
14956         (weak_alias_test_DEPENDENCIES): New variable.
14957         (weak_alias_test_LDFLAGS): New variable.
14958         (weak_alias_test_LDADD): New variable.
14959         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
14960         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
14961         (weak_alias_test_3.o): New target.
14962         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
14963         * testsuite/weak_alias_test_main.cc: New file.
14964         * testsuite/weak_alias_test_1.cc: New file.
14965         * testsuite/weak_alias_test_2.cc: New file.
14966         * testsuite/weak_alias_test_3.cc: New file.
14967
14968 2008-04-08  Ian Lance Taylor  <iant@google.com>
14969
14970         * options.h (class General_options): Add --noinhibit-exec option.
14971         * main.cc (main): Check --noinhibit-exec.
14972
14973         * options.h (class General_options): Define --wrap as a special
14974         option.  Add wrap_symbols_ field.
14975         (General_options::any_wrap_symbols): New function.
14976         (General_options::is_wrap_symbol): New function.
14977         * options.cc (General_options::parse_wrap): New function.
14978         (General_options::General_options): Initialize wrap_symbols_.
14979         * symtab.cc (Symbol_table::wrap_symbol): New function.
14980         (Symbol_table::add_from_object): Handle --wrap.
14981         * symtab.h (class Symbol_table): Declare wrap_symbol.
14982         * target.h (Target::wrap_char): New function.
14983         (Target::Target_info): Add wrap_char field.
14984         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
14985         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
14986         * testsuite/testfile.cc (Target_test::test_target_info):
14987         Likewise.
14988
14989         * errors.cc (Errors::undefined_symbol): Mention symbol version if
14990         there is one.
14991
14992         * layout.h (class Layout): Add added_eh_frame_data_ field.
14993         * layout.cc (Layout::Layout): Initialize new field.
14994         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
14995         output section until we find a section we merged successfully.
14996         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
14997         that the size be non-zero.
14998
14999         * merge.cc (Object_merge_map::get_output_offset): Remove inline
15000         qualifier.
15001
15002 2008-04-08  Craig Silverstein  <csilvers@google.com>
15003
15004         * configure.ac: Export new conditional variable HAVE_ZLIB.
15005         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
15006         on HAVE_ZLIB.
15007         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
15008         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
15009
15010 2008-04-07  Ian Lance Taylor  <iant@google.com>
15011
15012         * version.cc (version_string): Set to "1.5".
15013
15014         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
15015         Add issued_non_pic_error_ field.  Declare check_non_pic.
15016         (Target_x86_64::Scan::check_non_pic): New function.
15017         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
15018         (Target_x86_64::Scan::global): Likewise.
15019
15020         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
15021         addend parameter.  Change caller.  Handle merge sections.
15022         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
15023         Address to Addend.  Don't add in the result of
15024         local_section_offset, pass down the addend and use the returned
15025         value.
15026         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
15027         Update declarations of local_section_offset and symbol_value.
15028         * testsuite/two_file_test_1.cc (t18): New function.
15029         * testsuite/two_file_test_2.cc (f18): New function.
15030         * testsuite/two_file_test_main.cc (main): Call t18.
15031         * testsuite/two_file_test.h (t18, f18): Declare.
15032
15033         * configure.ac: Don't test for objdump, c++filt, or readelf.
15034         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
15035         conditionals.
15036         (TEST_READELF): New variable.
15037         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
15038         (check_PROGRAMS): Add two_file_strip_test.
15039         (two_file_strip_test): New target.
15040         (check_PROGRAMS): Add two_file_same_shared_strip_test.
15041         (two_file_same_shared_strip_test_SOURCES): New variable.
15042         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
15043         (two_file_same_shared_strip_test_LDFLAGS): New variable.
15044         (two_file_same_shared_strip_test_LDADD): New variable.
15045         (two_file_shared_strip.so): New target.
15046         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
15047         (ver_test_5.syms, ver_test_7.syms): Likewise.
15048         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
15049         (strip_test_3.stdout): Use TEST_OBJDUMP.
15050         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
15051
15052 2008-04-04  Cary Coutant  <ccoutant@google.com>
15053
15054         * symtab.h (Symbol::is_weak_undefined): New function.
15055         (Symbol::is_strong_undefined): New function.
15056         (Symbol::is_absolute): New function.
15057         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
15058         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
15059         absolute symbols.
15060         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
15061         (weak_undef_test): New target.
15062         * testsuite/Makefile.in: Rebuild.
15063         * testsuite/weak_undef_file1.cc: New file.
15064         * testsuite/weak_undef_file2.cc: New file.
15065         * testsuite/weak_undef_test.cc: New file.
15066
15067 2008-04-03  Craig Silverstein  <csilvers@google.com>
15068
15069         * compressed_output.h (class Output_compressed_section): Use
15070         unsigned buffer.
15071         * compressed_output.cc (zlib_compress): Use unsigned buffers,
15072         add zlib header.
15073         (zlib_compressed_suffix): Removed.
15074         (Output_compressed_section::set_final_data_size): Use unsigned
15075         buffers.
15076         * testsuite/Makefile.am (flagstest_compress_debug_sections):
15077         Fix linker invocation.
15078         (flagstest_o_specialfile_and_compress_debug_sections):
15079         Likewise.
15080         * testsuite/Makefile.in: Regenerated.
15081
15082 2008-04-02  David S. Miller  <davem@davemloft.net>
15083
15084         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
15085         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
15086
15087 2008-04-02  Craig Silverstein  <csilvers@google.com>
15088
15089         * TODO: New file.
15090
15091 2008-04-02  Ian Lance Taylor  <iant@google.com>
15092
15093         * fileread.cc (File_read::find_view): Add byteshift and vshifted
15094         parameters.  Update for new key type to views_.  Change all
15095         callers.
15096         (File_read::read): Adjust for byteshift in returned view.
15097         (File_read::add_view): New function, broken out of
15098         find_and_make_view.
15099         (File_read::make_view): New function, broken out of
15100         find_and_make_view.
15101         (File_read::find_or_make_view): Add offset and aligned
15102         parameters.  Rewrite accordingly.  Change all callers.
15103         (File_read::get_view): Add offset and aligned parameters.  Adjust
15104         for byteshift in return value.
15105         (File_read::get_lasting_view): Likewise.
15106         * fileread.h (class File_read): Update declarations.
15107         (class File_read::View): Add byteshift_ field.  Add byteshift to
15108         constructor.  Add byteshift method.
15109         * archive.h (Archive::clear_uncached_views): New function.
15110         (Archive::get_view): Add aligned parameter.  Change all callers.
15111         * object.h (Object::get_view): Add aligned parameter.  Change all
15112         callers.
15113         (Object::get_lasting_view): Likewise.
15114
15115         * fileread.cc (File_read::release): Don't call clear_views if
15116         there are multiple objects.
15117         * fileread.h (File_read::clear_uncached_views): New function.
15118         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
15119         on the archive.
15120
15121 2008-03-31  Cary Coutant  <ccoutant@google.com>
15122
15123         Add thin archive support.
15124         * archive.cc (Archive::armagt): New const.
15125         (Archive::setup): Remove task parameter and calls to unlock.
15126         (Archive::unlock_nested_archives): New function.
15127         (Archive::read_header): Add nested_off parameter. Change
15128         all callers.
15129         (Archive::interpret_header): Likewise.
15130         (Archive::include_all_members): Change to handle thin
15131         archives.
15132         (Archive::include_member): Likewise.
15133         * archive.h (Archive::Archive): Add new parameters and
15134         initializers.
15135         (Archive::armagt): New const.
15136         (Archive::setup): Remove task parameter.
15137         (Archive::unlock_nested_archives): New function.
15138         (Archive::read_header): Add nested_off parameter.
15139         (Archive::interpret_header): Likewise.
15140         (Archive::Nested_archive_table): New typedef.
15141         (Archive::is_thin_archive_): New field.
15142         (Archive::nested_archives_): New field.
15143         (Archive::options_): New field.
15144         (Archive::dirpath_): New field.
15145         (Archive::task_): New field.
15146         * readsyms.cc (Read_symbols::do_read_symbols): Add check
15147         for thin archives.  Pass additional parameters to
15148         Archive::Archive.  Unlock the archive file after calling
15149         Archive::setup.
15150
15151 2008-03-29  Ian Lance Taylor  <iant@google.com>
15152
15153         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
15154         version symbol to be local.
15155         * testsuite/ver_test_4.sh: New file.
15156         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
15157         (check_DATA): Add ver_test_4.syms.
15158         (ver_test_4.syms): New target.
15159         * testsuite/Makefile.in: Rebuild.
15160
15161         * output.cc
15162         (Output_section::Input_section_sort_entry::has_priority): New
15163         function.
15164         (Output_section::Input_section_sort_entry::match_file_name): New
15165         function.
15166         (Output_section::Input_section_sort_entry::match_section_name):
15167         Remove.
15168         (Output_section::Input_section_sort_entry::match_section_name_prefix):
15169         Remove.
15170         (Output_section::Input_section_sort_entry::match_section_file):
15171         Remove.
15172         (Output_section::Input_section_sort_compare::operator()): Rewrite
15173         using new Input_section_sort_entry functions.  Sort crtbegin and
15174         crtend first.  Sort sections with no priority before sections with
15175         a priority.
15176         * testsuite/initpri1.c (d3): Check j != 4.
15177         (cd5): New constructor/destructor function.
15178         (main): Check j != 2.
15179
15180         * symtab.cc (Symbol_table::add_from_object): If we don't use the
15181         new symbol when resolving, don't call set_is_default.
15182         * testsuite/ver_test_7.cc: New file.
15183         * testsuite/ver_test_7.sh: New file.
15184         * testsuite/Makefile.am (ver_test_7.so): New target.
15185         (ver_test_7.o): New target.
15186         (check_SCRIPTS): Add ver_test_7.sh.
15187         (check_DATA): Add ver_test_7.syms.
15188         (ver_test_7.syms): New target.
15189
15190 2008-03-28  Ian Lance Taylor  <iant@google.com>
15191
15192         * layout.cc (Layout::layout): If we see an input section with a
15193         name that needs sorting, set the must_sort flag for the output
15194         section.
15195         (Layout::make_output_section): If the name of the output section
15196         indicates that it might require sorting, set the may_sort flag.
15197         * output.h (Output_section::may_sort_attached_input_sections): New
15198         function.
15199         (Output_section::set_may_sort_attached_input_sections): New
15200         function.
15201         (Output_section::must_sort_attached_input_sections): New
15202         function.
15203         (Output_section::set_must_sort_attached_input_sections): New
15204         function.
15205         (class Output_section): Declare Input_section_sort_entry.  Define
15206         Input_section_sort_compare.  Declare
15207         sort_attached_input_sections.  Add new fields:
15208         may_sort_attached_input_sections_,
15209         must_sort_attached_input_sections_,
15210         attached_input_sections_are_sorted_.
15211         * output.cc (Output_section::Output_section): Initialize new
15212         fields.
15213         (Output_section::add_input_section): Add an entry to
15214         input_sections_ if may_sort or must_sort are true.
15215         (Output_section::set_final_data_size): Call
15216         sort_attached_input_sections if necessary.
15217         (Output_section::Input_section_sort_entry): Define new class.
15218         (Output_section::Input_section_sort_compare::operator()): New
15219         function.
15220         (Output_section::sort_attached_input_sections): New function.
15221         * configure.ac: Check whether the compiler supports constructor
15222         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
15223         * testsuite/initpri1.c: New file.
15224         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
15225         CONSTRUCTOR_PRIORITY.
15226         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
15227         (initpri1_LDFLAGS): New variable.
15228         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
15229
15230 2008-03-27  Ian Lance Taylor  <iant@google.com>
15231
15232         * common.cc (Sort_commons::operator): Correct sorting algorithm.
15233         * testsuite/common_test_1.c: New file.
15234         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
15235         (common_test_1_SOURCES): New variable.
15236         (common_test_1_DEPENDENCIES): New variable.
15237         (common_test_1_LDFLAGS): New variable.
15238
15239         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
15240         and commons_ correctly when NAME/VERSION does not override
15241         NAME/NULL.
15242         * testsuite/ver_test_6.c: New file.
15243         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
15244         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
15245         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
15246
15247 2008-03-26  Ian Lance Taylor  <iant@google.com>
15248
15249         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
15250         of an undefined symbol from a version script.
15251         * testsuite/Makefile.am (ver_test_5.so): New target.
15252         (ver_test_5.o): New target.
15253         (check_SCRIPTS): Add ver_test_5.sh.
15254         (check_DATA): Add ver_test_5.syms.
15255         (ver_test_5.syms): New target.
15256         * testsuite/ver_test_5.cc: New file.
15257         * testsuite/ver_test_5.script: New file.
15258         * testsuite/ver_test_5.sh: New file.
15259         * Makefile.in, testsuite/Makefile.in: Rebuild.
15260
15261         PR gold/5986
15262         Fix problems building gold with gcc 4.3.0.
15263         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
15264         (gold_error_at_location, gold_warning_at_location): Use it.
15265         * configure.ac: Check whether we can compile and use a template
15266         function with a printf attribute.
15267         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
15268         when jumping over bytes.
15269         * object.cc: Instantiate Object::read_section_data.
15270         * debug.h: Include <cstring>
15271         * dwarf_reader.cc: Include <algorithm>
15272         * main.cc: Include <cstring>.
15273         * options.cc: Include <cstring>.
15274         * output.cc: Include <cstring>.
15275         * script.cc: Include <cstring>.
15276         * script.h: Include <string>.
15277         * symtab.cc: Include <cstring> and <algorithm>.
15278         * target-select.cc: Include <cstring>.
15279         * version.cc: Include <string>.
15280         * testsuite/testmain.cc: Include <cstdlib>.
15281         * configure, config.in: Rebuild.
15282
15283 2008-03-25  Ian Lance Taylor  <iant@google.com>
15284
15285         * options.cc: Include "../bfd/bfdver.h".
15286         (options::help): Print bug reporting address.
15287
15288         * version.cc (print_version): Adjust output for current value of
15289         BFD_VERSION_STRING.
15290
15291         * NEWS: New file.
15292
15293         * options.cc (options::help): Print list of supported targets.
15294         * target-select.h: Include <vector>.
15295         (class Target_selector): Make machine_, size_, and is_big_endian_
15296         fields const.  Add bfd_name_ and instantiated_target_ fields.
15297         (Target_selector::Target_selector): Add bfd_name parameter.
15298         (Target_selector::recognize): Make non-virtual, call
15299         do_recognize.
15300         (Target_selector::recognize_by_name): Make non-virtual, call
15301         do_recognize_by_name.
15302         (Target_selector::supported_names): New function.
15303         (Target_selector::bfd_name): New function.
15304         (Target_selector::do_instantiate_target): New pure virtual
15305         function.
15306         (Target_selector::do_recognize): New virtual function.
15307         (Target_selector::do_recognize_by_name): New virtual function.
15308         (Target_selector::instantiate_target): New private function.
15309         (supported_target_names): Declare.
15310         * target-select.cc (Target_selector::Target_selector): Update for
15311         new parameter and fields.
15312         (select_target_by_name): Check that the name matches before
15313         calling recognize_by_name.
15314         (supported_target_names): New function.
15315         * i386.cc (class Target_selector_i386): Update Target_selector
15316         constructor call.  Remove recognize and recognize_by_name.  Add
15317         do_instantiate_target.
15318         * x86_64.cc (class Target_selector_x86_64): Likewise.
15319         * testsuite/testfile.cc (class Target_selector_test): Update for
15320         changes to Target_selector.
15321
15322         * README: Rewrite, with some notes on unsupported features.
15323
15324 2008-03-24  Cary Coutant  <ccoutant@google.com>
15325
15326         * i386.cc (Target_i386::Got_type): New enum declaration.
15327         (Target_i386::Scan::local): Updated callers of Output_data_got
15328         member functions.
15329         (Target_i386::Scan::global): Likewise.
15330         (Target_i386::Relocate::relocate): Likewise.
15331         (Target_i386::Relocate::relocate_tls): Likewise.
15332         * object.h (Got_offset_list): New class.
15333         (Sized_relobj::local_has_got_offset): Added got_type parameter.
15334         (Sized_relobj::local_got_offset): Likewise.
15335         (Sized_relobj::set_local_got_offset): Likewise.
15336         (Sized_relobj::local_has_tls_got_offset): Removed.
15337         (Sized_relobj::local_tls_got_offset): Removed.
15338         (Sized_relobj::set_local_tls_got_offset): Removed.
15339         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
15340         * output.cc (Output_data_got::add_global): Added got_type parameter.
15341         (Output_data_got::add_global_with_rel): Likewise.
15342         (Output_data_got::add_global_with_rela): Likewise.
15343         (Output_data_got::add_global_pair_with_rel): New function.
15344         (Output_data_got::add_global_pair_with_rela): New function.
15345         (Output_data_got::add_local): Added got_type parameter.
15346         (Output_data_got::add_local_with_rel): Likewise.
15347         (Output_data_got::add_local_with_rela): Likewise.
15348         (Output_data_got::add_local_pair_with_rel): New function.
15349         (Output_data_got::add_local_pair_with_rela): New function.
15350         (Output_data_got::add_global_tls): Removed.
15351         (Output_data_got::add_global_tls_with_rel): Removed.
15352         (Output_data_got::add_global_tls_with_rela): Removed.
15353         (Output_data_got::add_local_tls): Removed.
15354         (Output_data_got::add_local_tls_with_rel): Removed.
15355         (Output_data_got::add_local_tls_with_rela): Removed.
15356         * output.h (Output_data_got::add_global): Added got_type parameter.
15357         (Output_data_got::add_global_with_rel): Likewise.
15358         (Output_data_got::add_global_with_rela): Likewise.
15359         (Output_data_got::add_global_pair_with_rel): New function.
15360         (Output_data_got::add_global_pair_with_rela): New function.
15361         (Output_data_got::add_local): Added got_type parameter.
15362         (Output_data_got::add_local_with_rel): Likewise.
15363         (Output_data_got::add_local_with_rela): Likewise.
15364         (Output_data_got::add_local_pair_with_rel): New function.
15365         (Output_data_got::add_local_pair_with_rela): New function.
15366         (Output_data_got::add_global_tls): Removed.
15367         (Output_data_got::add_global_tls_with_rel): Removed.
15368         (Output_data_got::add_global_tls_with_rela): Removed.
15369         (Output_data_got::add_local_tls): Removed.
15370         (Output_data_got::add_local_tls_with_rel): Removed.
15371         (Output_data_got::add_local_tls_with_rela): Removed.
15372         * resolve.cc (Symbol::override_base_with_special): Removed
15373         reference to has_got_offset_ field.
15374         * symtab.cc (Symbol::init_fields): Replaced initialization
15375         of got_offset_ with got_offsets_.  Removed initialization
15376         of has_got_offset_
15377         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
15378         (Symbol::got_offset): Likewise.
15379         (Symbol::set_got_offset): Likewise.
15380         (Symbol::has_tls_got_offset): Removed.
15381         (Symbol::tls_got_offset): Removed.
15382         (Symbol::set_tls_got_offset): Removed.
15383         (Symbol::got_offset_): Removed.
15384         (Symbol::tls_mod_got_offset_): Removed.
15385         (Symbol::tls_pair_got_offset_): Removed.
15386         (Symbol::got_offsets_): New field.
15387         (Symbol::has_got_offset): Removed.
15388         (Symbol::has_tls_mod_got_offset): Removed.
15389         (Symbol::has_tls_pair_got_offset): Removed.
15390         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
15391         (Target_x86_64::Scan::local): Updated callers of Output_data_got
15392         member functions.
15393         (Target_x86_64::Scan::global): Likewise.
15394         (Target_x86_64::Relocate::relocate): Likewise.
15395         (Target_x86_64::Relocate::relocate_tls): Likewise.
15396
15397 2008-03-25  Ben Elliston  <bje@au.ibm.com>
15398
15399         * yyscript.y: Fix spelling error in comment.
15400
15401 2008-03-24  Ian Lance Taylor  <iant@google.com>
15402
15403         * options.h (class General_options): Define build_id option.
15404         * layout.h (class Layout): Declare write_build_id, create_note,
15405         create_build_id.  Add build_id_note_ member.
15406         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
15407         "libiberty.h", "md5.h", "sha1.h".
15408         (Layout::Layout): Initialize eh_frame_data_,
15409         eh_frame_hdr_section_, and build_id_note_.
15410         (Layout::finalize): Call create_build_id.
15411         (Layout::create_note): New function, broken out of
15412         Layout::create_gold_note.
15413         (Layout::create_gold_note): Call create_note.
15414         (Layout::create_build_id): New function.
15415         (Layout::write_build_id): New function.
15416         (Close_task_runner::run): Call write_build_id.
15417
15418         * x86_64.cc: Correct license to GPLv3.
15419
15420 2008-03-23  Ian Lance Taylor  <iant@google.com>
15421
15422         * options.cc: Include "demangle.h".
15423         (parse_optional_string): New function.
15424         (parse_long_option): Handle takes_optional_argument.
15425         (parse_short_option): Update dash_z initializer.  Handle
15426         takes_optional_argument.
15427         (General_options::General_options): Initialize do_demangle_.
15428         (General_options::finalize): Set do_demangle_.  Handle demangling
15429         style.
15430         * options.h (parse_optional_string): Declare.
15431         (struct One_option): Add optional_arg field.  Update constructor.
15432         Update call constructor calls.  Add takes_optional_argument
15433         function.
15434         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
15435         (DEFINE_optional_string): Define.
15436         (General_options::demangle): Change from DEFINE_bool to
15437         DEFINE_optional_string.
15438         (General_options::no_demangle): New function.
15439         (General_options::do_demangle): New function.
15440         (General_options::set_do_demangle): New function.
15441         (General_options::execstack_status_): Move definition to end of
15442         class definition.
15443         (General_options::static_): Likewise.
15444         (General_options::do_demangle_): New field.
15445         * object.cc (big_endian>::get_symbol_location_info): Call
15446         Options::do_demangle, not Options::demangle.
15447         * symtab.cc (demangle): Likewise.
15448
15449 2008-03-22  Ian Lance Taylor  <iant@google.com>
15450
15451         * gold.h: Include <cstddef> and <sys/types.h>
15452         * options.h: Include <cstring>.
15453
15454 2008-03-21  Ian Lance Taylor  <iant@google.com>
15455
15456         * Added source code to GNU binutils.
15457 \f
15458 Copyright (C) 2008-2013 Free Software Foundation, Inc.
15459
15460 Copying and distribution of this file, with or without modification,
15461 are permitted in any medium without royalty provided the copyright
15462 notice and this notice are preserved.
15463
15464 Local Variables:
15465 mode: change-log
15466 left-margin: 8
15467 fill-column: 74
15468 version-control: never
15469 End: