gold/ChangeLog

   1 2013-01-18  Mike Frysinger  <vapier@gentoo.org>
   2
   3         * options.h (General_options): Change default to true for new_dtags.
   4
   5 2013-01-18  Mike Frysinger  <vapier@gentoo.org>
   6
   7         * layout.cc (Layout::finish_dynamic_section): Only add DT_RPATH
   8         when enable_new_dtags is false.  Only add DT_RUNPATH when
   9         enable_new_dtags is true.
  10
  11 2013-01-17  Serge Pavlov  <serge.v.pavlov@gmail.com>
  12
  13         * powerpc.cc (Stub_table::find_plt_call_entry): Make types
  14         used in declaration and definition consistent.
  15         (Target_powerpc::symval_for_branch): Ditto.
  16
  17 2013-01-16  Sriraman Tallam  <tmsriram@google.com>
  18
  19         * testsuite/plugin_final_layout.cc: Fix comment.
  20
  21 2013-01-16  Sriraman Tallam  <tmsriram@google.com>
  22
  23         * layout.cc (Layout::layout): Do not do default sorting for
  24         text sections when section ordering is specified.
  25         (make_output_section): Ditto.
  26         * testsuite/plugin_final_layout.cc: Name the function sections
  27         to catch reordering issues.
  28
  29 2013-01-15  Alan Modra  <amodra@gmail.com>
  30
  31         * powerpc.cc (Target_powerpc::do_relax): Default shared libs to
  32         plt-thread-safe.
  33
  34 2013-01-15  Alan Modra  <amodra@gmail.com>
  35
  36         * testsuite/Makefile.am (final_layout_script.lds): Handle .got section.
  37         * testsuite/Makefile.in: Regenerate.
  38
  39 2013-01-14  Alan Modra  <amodra@gmail.com>
  40
  41         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add various output files.
  42         * testsuite/Makefile.in: Regenerate.
  43
  44 2013-01-11  Pavel Chupin  <pavel.v.chupin@intel.com>
  45
  46         Fix mingw gold build with plugins enabled
  47         * Makefile.am: Replace -ldl with @DLOPEN_LIBS@.
  48         * configure.ac: Export DLOPEN_LIBS and add headers check.
  49         * plugin.cc: Handle non-dlfcn case.
  50         * Makefile.in: Regenerate.
  51         * config.in: Regenerate.
  52         * configure: Regenerate.
  53         * testsuite/Makefile.in: Regenerate.
  54
  55 2013-01-09  Sriraman Tallam  <tmsriram@google.com>
  56
  57         * output.h (sort_attached_input_sections): Change to be public.
  58         * script-sections.cc
  59         (Output_section_definition::set_section_addresses): Sort
  60         attached input sections according to section order before linker
  61         script assigns section addresses.
  62         (Orphan_output_section::set_section_addresses): Sort
  63         attached input sections according to section order before linker
  64         script assigns section addresses.
  65         * Makefile.am (final_layout.sh): Use a simple linker script to
  66         check if section ordering still works.
  67         * Makefile.in: Regenerate.
  68
  69 2013-01-09  Ben Cheng  <bccheng@google.com>
  70
  71         * arm.cc (Target_arm::attributes_accept_div): New function.
  72         (Target_arm::attributes_forbid_div): New function.
  73         (Target_arm::merge_object_attributes): Merge the Tag_DIV_use
  74         attribute using the same new functions as what bfd/elf32_arm.c
  75         does.
  76
  77 2013-01-07  Cary Coutant  <ccoutant@google.com>
  78
  79         PR gold/14993
  80         * output.cc (Output_section::add_input_section): For incremental
  81         updates, don't track input sections that are allocated from patch
  82         space.
  83
  84 2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
  85             Ian Lance Taylor  <iant@google.com>
  86
  87         PR gold/14897
  88         * configure.ac (--enable-ld): Removed.
  89         (install_as_default): Set to yes only for --enable-gold=default
  90         or --disable-ld.
  91         * configure: Regenerated.
  92
  93 2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
  94
  95         * options.h (General_options): Add -fuse-ld= for GCC linker
  96         option compatibility.
  97
  98 2013-01-04  Cary Coutant  <ccoutant@google.com>
  99
 100         * configure.ac: Fix typo restoring CXXFLAGS.
 101         * configure: Regenerate.
 102
 103 2013-01-04  Cary Coutant  <ccoutant@google.com>
 104
 105         * testsuite/Makefile.am (CXXLINK_S): New macro.
 106         (debug_msg_so.err, debug_msg_ndebug.err): Use CXXLINK_S.
 107         * testsuite/Makefile.in: Regenerate.
 108
 109 2013-01-02  H.J. Lu  <hongjiu.lu@intel.com>
 110
 111         * version.cc (print_version): Update copyright year to 2013.
 112
 113 2012-12-20  Ian Lance Taylor  <iant@google.com>
 114
 115         * layout.cc (Layout::special_ordering_of_input_section): New
 116         function.
 117         (Layout::layout): If input section requires special ordering, must
 118         sort input sections.
 119         (Layout::make_output_section): May sort .text input sections.
 120         (Layout::is_section_name_prefix_grouped): Remove.
 121         * layout.h (class Layout): Declare
 122         special_ordering_of_input_section.  Don't declare
 123         is_section_name_prefix_grouped.
 124         * output.cc (Output_section::add_input_section): Revert last
 125         change.
 126         (Output_section::Input_section_sort::match_file_name): Don't crash
 127         if called on output section data.
 128         (Output_section::Input_section_sort_compare): Sort based on
 129         special ordering.
 130         (Output_section::Input_section_sort_section_order_index_compare):
 131         Revert last patch.
 132         (Output_section::sort_attached_input_sections): Likewise.
 133
 134 2012-12-18  Sriraman Tallam  <tmsriram@google.com>
 135
 136         * layout.cc (Layout::is_section_name_prefix_grouped): New function.
 137         * layout.h (Layout::is_section_name_prefix_grouped): New function.
 138         * output.cc (Output_section::add_input_section): Check if section
 139         name contains special prefix.  Keep input sections to sort such
 140         sections.
 141         (Output_section::Input_section_sort_section_order_index_compare
 142          ::operator()): Group sections according to prefixes.
 143         (Output_section::sort_attached_input_sections): Add condition to
 144         Input_section_entry constructor call.
 145         * testsuite/Makefile.am (text_section_grouping): New test.
 146         * testsuite/Makefile.in: Regenerate.
 147         * testsuite/text_section_grouping.cc: New file.
 148         * testsuite/text_section_grouping.sh: New file.
 149
 150 2012-12-17  Nick Clifton  <nickc@redhat.com>
 151
 152         * Makefile.am: Add copyright notice.
 153         * NEWS: Likewise.
 154         * README: Likewise.
 155         * configure.ac: Likewise.
 156         * ftruncate.c: Likewise.
 157         * Makefile.in: Regenerate.
 158
 159 2012-12-14  Cary Coutant  <ccoutant@google.com>
 160
 161         * testsuite/Makefile.am (exception_separate_shared_12_test): Add
 162         --no-as-needed flag.
 163         (exception_separate_shared_12_test): Likewise.
 164         (incremental_copy_test): Likewise.
 165         * testsuite/Makefile.in: Regenerate.
 166
 167 2012-12-14  Cary Coutant  <ccoutant@google.com>
 168
 169         * dwp.cc (Dwp_output_file::add_cu_set): Check for duplicate CUs.
 170         (Dwp_output_file::Dwp_index::enter_set): Add assert.
 171
 172 2012-12-12  Alan Modra  <amodra@gmail.com>
 173
 174         * powerpc.cc (class Track_tls): New.
 175         (class Relocate, class Scan): Inherit Track_tls.
 176         (Target_powerpc::Scan::local, global): Track tls optimization
 177         and avoid creating plt entry for __tls_get_addr if all uses
 178         are optimized away.
 179         (Target_powerpc::Relocate::relocate): Update to use Track_tls.
 180
 181 2012-12-12  Alan Modra  <amodra@gmail.com>
 182
 183         * options.h (General_options): Add --toc-sort/--no-toc-sort.
 184         Replace no_toc_optimize with toc_optimize.
 185         * output.h (Output_section::input_sections): Provide non-const variant.
 186         * powerpc.cc (Powerpc_relobj::has_small_toc_reloc_,
 187         set_has_small_toc_reloc, has_small_toc_reloc): New variable and
 188         accessors.
 189         (Target_powerpc::Scan::local, global): Call set_has_small_toc_reloc.
 190         (class Sort_toc_sections): New.
 191         (Target_powerpc::do_finalize_sections): Sort toc sections.
 192         (Target_powerpc::Relocate::relocate): Update toc_optimize test.
 193
 194 2012-12-10  Roland McGrath  <mcgrathr@google.com>
 195
 196         * testsuite/binary_unittest.cc (read_all): New function.
 197         (Sized_binary_test): Use it instead of ::read.
 198         * fileread.cc (do_read): Don't assume pread always reads the whole
 199         amount in a single call.
 200
 201 2012-12-10  Alan Modra  <amodra@gmail.com>
 202
 203         * powerpc.cc (Target_selector_powerpc::Target_selector_powerpc):
 204         Set EM_PPC64 or EM_PPC here.
 205         (Target_selector_powerpc::do_recognize): Delete.
 206
 207 2012-12-10  Alan Modra  <amodra@gmail.com>
 208
 209         * powerpc.cc (Powerpc_relobj::Powerpc_relobj): Init has14_ and
 210         stub_table_.
 211         (Target_powerpc::Branch_info::make_stub): Don't omit addend.
 212
 213 2012-12-07  Roland McGrath  <mcgrathr@google.com>
 214
 215         * testsuite/binary_unittest.cc (Sized_binary_test):
 216         Use open_descriptor rather than ::open.
 217
 218 2012-12-07  Alan Modra  <amodra@gmail.com>
 219
 220         * powerpc.cc (Stub_table::do_write): Delete redundant Address
 221         typedef and invalid_address constant.
 222         (Output_data_glink, Stub_table, Target_powerpc): Explicitly
 223         instantiate constants.
 224
 225 2012-12-06  Roland McGrath  <mcgrathr@google.com>
 226
 227         * configure.ac (HAVE_ZLIB): Use AM_ZLIB instead of AC_SEARCH_LIBS.
 228         Use $ac_cv_header_zlib_h = yes as the condition in AM_CONDITIONAL.
 229         * aclocal.m4: Regenerate.
 230         * configure: Regenerate.
 231         * Makefile.in: Regenerate.
 232         * testsuite/Makefile.in: Regenerate.
 233
 234 2012-12-07  Alan Modra  <amodra@gmail.com>
 235
 236         * options.h (General_options): Add no_toc_optimize.
 237         * powerpc.cc (ok_lo_toc_insn): New function.
 238         (Target_powerpc::Relocate::relocate): Optimize toc access sequences.
 239
 240 2012-12-06  Alan Modra  <amodra@gmail.com>
 241
 242         * options.h (General_options): Add plt_align, plt_static_chain,
 243         plt_thread_safe.  Update stub_group_size help text.
 244         * powerpc.cc (Target_powerpc::plt_thread_safe): New access function
 245         for new plt_thread_safe_ var.
 246         (use_plt_offset): Correct comments.
 247         (Target_powerpc::do_relax): Look for thread creation symbols to
 248         determine default plt_thread_safe value.  Clear plt call stubs
 249         as well as branch stubs each iteration.
 250         (add_2_2_11, add_12_12_11, bnectr_p4, cmpldi_2_0, xor_11_11_11): New
 251         insn constants.
 252         (l, hi, ha, write_insn): Move earlier.
 253         (Stub_table): Delete prev_size, add last_plt_size and last_branch_size.
 254         (Stub_table::clear_stubs): Rename from clear_long_branch_stubs, clear
 255         plt stubs too.
 256         (Stub_table::update_size): Adjust.
 257         (Stub_table::prev_size, set_prev_size): Delete.
 258         (Stub_table::stub_align): Let --plt-align affect result.
 259         (Stub_table::plt_call_size): Calculate sizes for various stubs.
 260         (Stub_table::branch_stub_size): Use last_plt_size in address calc.
 261         (Stub_table::add_plt_call_stub): Pass iterator to plt_call_size.
 262         (Stub_table::do_write): Support more stub variants.
 263
 264 2012-12-04  Alan Modra  <amodra@gmail.com>
 265
 266         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Delete.
 267         (Target_powerpc::do_define_standard_symbols): New function.
 268
 269 2012-12-03  Alan Modra  <amodra@gmail.com>
 270
 271         * output.h: Formatting, whitespace.
 272
 273 2012-12-03  Alan Modra  <amodra@gmail.com>
 274
 275         * layout.h (Layout::get_executable_sections): Declare.
 276         * layout.cc (Layout::get_executable_sections): New function.
 277         * arm.cc (Target_arm::group_sections): Use it.
 278         (Arm_output_section::group_sections): Delete now redundant test.
 279         * output.cc (Output_reloc::Output_reloc): Add is_relative.
 280         param to handle relative relocs.
 281         * output.h (Output_reloc::Output_reloc <absolute reloc>): Likewise.
 282         (Output_data_reloc::add_absolute): Adjust.
 283         (Output_data_reloc::add_relative): New function.
 284         (Output_data::reset_data_size): New function.
 285         (Output_relaxed_input_section::set_relobj, set_shndx): New functions.
 286         (Output_section::set_addralign): New function.
 287         (Output_section::checkpoint_set_addralign): New function.
 288         (Output_section::clear_section_offsets_need_adjustment): New function.
 289         (Output_section::input_sections): Make public.
 290         * powerpc.cc (class Output_data_brlt_powerpc): New.
 291         (class Stub_table, class Stub_control): New.
 292         (Powerpc_relobj::has14_, set_has_14bit_branch, has_14bit_branch,
 293         stub_table_, set_stub_table, stub_table): New vectors and accessor
 294         functions.
 295         (Target_powerpc::do_may_relax, do_relax, push_branch,
 296         new_stub_table, stub_tables, brlt_section, group_sections,
 297         add_branch_lookup_table, find_branch_lookup_table,
 298         write_branch_lookup_table, make_brlt_section): New functions.
 299         (Target_powerpc::struct Sort_sections, class Branch_info): New.
 300         (Target_powerpc::brlt_section_, stub_tables_, branch_lookup_table_,
 301         branch_info_): New vars.
 302         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Don't
 303         make call stubs here.
 304         (Output_data_glink): Remove all call stub handling from this class.
 305         (Target_powerpc::Scan::local, global): Save interesting branch
 306         relocs and relocs for ifunc.  Adjust calls to plt entry functions.
 307         (Target_powerpc::do_finalize_sections): Only make reg save/restore
 308         functions on final link.
 309         (Target_powerpc::Relocate::relocate): Adjust lookup of call stubs.
 310         Handle long branch destinations too.
 311         (Target_powerpc::do_dynsym_value, do_plt_address_for_global,
 312         do_plt_address_for_local): Adjust lookup of plt call stubs.
 313
 314 2012-11-30  Alan Modra  <amodra@gmail.com>
 315
 316         * powerpc.c (Target_powerpc::Scan::global): Don't emit relative
 317         relocs against protected symbols when building 32-bit shared libs.
 318
 319 2012-11-30  Alan Modra  <amodra@gmail.com>
 320
 321         * powerpc.cc (Target_powerpc::make_plt_section): Add symtab
 322         param.  Call got_section() to make .got.  Update all callers
 323         and their callers and so on.
 324
 325 2012-11-30  Alan Modra  <amodra@gmail.com>
 326
 327         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Make STB_LOCAL
 328         _GLOBAL_OFFSET_TABLE_ rather than STB_WEAK.
 329         (Output_data_got_powerpc::make_header): Update _GLOBAL_OFFSET_TABLE_
 330         value if it already exists.
 331
 332 2012-11-19  H.J. Lu  <hongjiu.lu@intel.com>
 333
 334         PR gold/14858
 335         * x86_64.cc (Relocate::tls_ld_to_le): Support x32.
 336
 337 2012-11-14  Roland McGrath  <mcgrathr@google.com>
 338
 339         * arm.cc (Output_data_plt_arm_nacl::first_plt_entry): Use bic rather
 340         than bfc instruction for data sandboxing.
 341
 342 2012-11-08  Alan Modra  <amodra@gmail.com>
 343
 344         * po/POTFILES.in: Regenerate.
 345
 346 2012-11-05  Alan Modra  <amodra@gmail.com>
 347
 348         * configure.ac: Apply 2012-09-10 change to config.in here.
 349         * configure: Regenerate.
 350
 351 2012-11-05  Alan Modra  <amodra@gmail.com>
 352
 353         * powerpc.cc (Powerpc_relobj): Delete "Offset" typedef.
 354         (struct Opd_ent): Use "Address" rather than "Offset".
 355         (Output_data_got_powerpc::got_base_offset): Return Valtype.
 356         (Target_powerpc::got_section): Make public.
 357         (Target_powerpc::scan_relocs): Move code setting symbols..
 358         (Powerpc_relobj::do_scan_relocs): ..to here, new function.
 359         Create _SDA_BASE_ only when referenced.
 360
 361 2012-11-02  Roland McGrath  <mcgrathr@google.com>
 362
 363         * i386.cc (Target_i386::relocate_relocs): Remove extraneous typename
 364         from last change.
 365
 366 2012-11-01  Roland McGrath  <mcgrathr@google.com>
 367
 368         * target.h (Sized_target::relocate_relocs): Use Elf_Off
 369         for offset_in_output_section parameter.
 370         (Sized_target::relocate_special_relocatable): Likewise.
 371         * arm.cc (Target_arm::relocate_relocs): Likewise.
 372         (Target_arm::relocate_special_relocatable): Likewise.
 373         * i386.cc (Target_i386::relocate_relocs): Likewise.
 374         * powerpc.cc (Target_powerpc::relocate_relocs): Likewise.
 375         * sparc.cc (Target_sparc::relocate_relocs): Likewise.
 376         * target-reloc.h (relocate_relocs): Likewise.
 377         * testsuite/testfile.cc (Target_test): Likewise.
 378         * tilegx.cc (Target_tilegx::relocate_relocs): Likewise.
 379         * x86_64.cc (Target_x86_64::relocate_relocs): Likewise.
 380
 381         * system.h: Move inclusion of <clocale> to after <libintl.h> in
 382         [ENABLE_NLS] section, and separately at top of [!ENABLE_NLS] section.
 383
 384         * descriptors.cc (set_close_on_exec): Add ATTRIBUTE_UNUSED to the
 385         parameter, which is unused in the [!F_SETFD] case.
 386
 387         * dwarf_reader.cc (Sized_elf_reloc_mapper::symbol_section): Cast
 388         SYMNDX to off_t before comparing it to this->data_size().
 389         * output.cc (Output_symtab_xindex::endian_do_write): Likewise.
 390         * incremental.cc (Output_section_incremental_inputs::do_write):
 391         Cast GLOBAL_SYM_COUNT to off_t before comparing it to SYMTAB_SIZE.
 392
 393         * nacl.cc: Include "libiberty.h" for vasprintf declaration.
 394
 395 2012-10-30  Steve McIntyre  <steve.mcintyre@linaro.org>
 396
 397         * gold.cc (Target_arm::do_adjust_elf_header): Add the
 398         hard-float/soft-float ABI flag as appropriate for ET_DYN/ET_EXEC
 399         in EABI_VER5.
 400
 401 2012-10-29  Cary Coutant  <ccoutant@google.com>
 402
 403         * dwp.cc (usage): Add file and exit status parameters;
 404         add --help and --version options.
 405         (print_version): New function.
 406         (main): Add --help and --version options.
 407
 408 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
 409
 410         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add
 411         final_layout_sequence.txt.
 412         * testsuite/Makefile.in: Regenerated.
 413
 414 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
 415
 416         * testsuite/Makefile.am (COMPILE1): New variable. Renamed from
 417         COMPILE generated by automake.
 418         (LINK1): Likewise.
 419         (CXXCOMPILE1): Likewise.
 420         (CXXLINK1): Likewise.
 421         (COMPILE): Strip out -Wp,-D_FORTIFY_SOURCE= from COMPILE1.
 422         (LINK): Likewise.
 423         (CXXCOMPILE): Likewise.
 424         (CXXLINK): Likewise.
 425         * testsuite/Makefile.in: Regenerated.
 426
 427 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
 428
 429         * dwp.cc (Dwo_file::record_target_info): Issue a fatal error
 430         on bad fwrite return.
 431
 432 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
 433
 434         * dwp.cc (Dwo_file::remap_str_offset): Use section_offset_type
 435         on val.
 436
 437 2012-10-23  Cary Coutant  <ccoutant@google.com>
 438
 439         * testsuite/Makefile.am (TEST_OBJCOPY): New macro.
 440         * testsuite/Makefile.in: Regenerate.
 441         * testsuite/dwp_test.h: New source file.
 442         * testsuite/dwp_test_1.cc: New source file.
 443         * testsuite/dwp_test_1.s: New source file.
 444         * testsuite/dwp_test_1.sh: New source file.
 445         * testsuite/dwp_test_1b.cc: New source file.
 446         * testsuite/dwp_test_1b.s: New source file.
 447         * testsuite/dwp_test_2.cc: New source file.
 448         * testsuite/dwp_test_2.s: New source file.
 449         * testsuite/dwp_test_2.sh: New source file.
 450         * testsuite/dwp_test_main.cc: New source file.
 451         * testsuite/dwp_test_main.s: New source file.
 452
 453 2012-10-23  Cary Coutant  <ccoutant@google.com>
 454
 455         * dwp.h: New header file.
 456         * dwp.cc: New source file.
 457         * gold.h: Move shared declarations to system.h.
 458         * system.h: New header file.
 459         * Makefile.am: Add dwp.
 460         * Makefile.in: Regenerate.
 461
 462 2012-10-23  Cary Coutant  <ccoutant@google.com>
 463
 464         * dwarf_reader.cc (Dwarf_ranges_table::read_range_list): Call
 465         Dwarf_info_reader::read_from_pointer.
 466         (Dwarf_pubnames_table::read_header): Likewise.
 467         (Dwarf_pubnames_table::next_name): Likewise.
 468         (Dwarf_die::read_attributes): Likewise.
 469         (Dwarf_die::skip_attributes): Likewise.
 470         (Dwarf_info_reader::read_from_pointer): New function template.
 471         * dwarf_reader.h (Dwarf_ranges_table): Add dwinfo_.
 472         (Dwarf_pubnames_table): Likewise.
 473         (Dwarf_info_reader::read_from_pointer): New function template.
 474         * gdb-index.cc (Gdb_index_info_reader): Adjust call to
 475         Dwarf_pubnames_table ctor.
 476
 477 2012-10-23  Cary Coutant  <ccoutant@google.com>
 478
 479         * dwarf_reader.cc (Dwarf_info_reader::do_parse): Use stored
 480         abbrev_shndx.
 481         * dwarf_reader.h (Dwarf_info_reader::Dwarf_info_reader): Initialize
 482         abbrev_shndx_.
 483         (Dwarf_info_reader::set_abbrev_shndx): New method.
 484         (Dwarf_info_reader::abbrev_shndx_): New data member.
 485
 486 2012-10-23  Cary Coutant  <ccoutant@google.com>
 487
 488         * dwarf_reader.cc (make_elf_reloc_mapper): Check size and endianness
 489         from object, not parameters.
 490         (Dwarf_info_reader::parse): Likewise.
 491         * object.h (Relobj::elfsize, Relobj::is_big_endian): New methods.
 492         (Relobj::do_elfsize, Relobj::do_is_big_endian): New methods.
 493         (Sized_relobj::do_elfsize, Sized_relobj::do_is_big_endian): New
 494         methods.
 495
 496 2012-10-23  Cary Coutant  <ccoutant@google.com>
 497
 498         * fileread.cc (Input_file::Input_file): New constructor.
 499         * fileread.h (class Input_file): Add new constructor.
 500
 501 2012-10-18  Alan Modra  <amodra@gmail.com>
 502
 503         PR gold/14727
 504         * object.cc (Relobj::is_section_name_included): Also match
 505         .sdata personality section.
 506
 507 2012-10-18  Alan Modra  <amodra@gmail.com>
 508
 509         * target-reloc.h (class Default_comdat_behavior): New, package up..
 510         (get_comdat_behaviour): ..this.
 511         (relocate_section): Add Relocate_comdat_behavior template arg,
 512         adjust code to suit.
 513         * arm.cc (Target_arm::relocate_section): Adjust to suit.
 514         (Target_arm::scan_reloc_section): Likewise.
 515         * i386.cc (Target_i386::relocate_section): Likewise.
 516         * sparc.cc (Target_sparc::relocate_section): Likewise.
 517         * tilegx.cc (Target_tilegx::relocate_section): Likewise.
 518         * x86_64.cc (Target_x86_64::relocate_section): Likewise.
 519         * powerpc.cc (class Relocate_comdat_behavior): New.
 520         (Target_powerpc::relocate_section): Don't zap opd relocs.  Supply
 521         gold::relocate_section with new template arg.
 522
 523 2012-10-18  Alan Modra  <amodra@gmail.com>
 524
 525         * powerpc.cc (Target_powerpc::Scan::local, global): Always emit
 526         dynamic relocs for GOT_TPREL got entries, without symbol if
 527         resolving locally.
 528         (Target_powerpc::do_gc_add_reference): Don't add for dynamic objects.
 529         (Target_powerpc::scan_relocs): Define _GLOBAL_OFFSET_TABLE_ early.
 530         (Target_powerpc::Relocate:relocate): REL32 reloc may be unaligned.
 531
 532 2012-10-17  Alan Modra  <amodra@gmail.com>
 533
 534         PR gold/14726
 535         * gold.cc (queue_middle_tasks): Call gc_mark_symbol on _init and _fini.
 536
 537 2012-10-16  Sriraman Tallam  <tmsriram@google.com>
 538
 539         * layout.cc (Layout::include_section): Keep sections marked
 540         SHF_EXCLUDE when doing relocatable links.
 541
 542 2012-10-16  Alan Modra  <amodra@gmail.com>
 543
 544         * powerpc.cc (Target_powerpc::define_save_restore_funcs): New func.
 545         (Target_powerpc::do_finalize_sections): Call it.
 546         (Output_data_save_res): New class and supporting functions.
 547         (Target_powerpc::symval_for_branch): Only look up .opd entry for
 548         normal symbols defined in object files.
 549
 550 2012-10-12  Alan Modra  <amodra@gmail.com>
 551
 552         * powerpc.cc (Powerpc_relobj::add_gc_mark, process_gc_mark): New.
 553         (struct Opd_ent): Make "discard" a bit field.  Add "gc_mark".
 554         (Target_powerpc::do_gc_mark_symbol): Delay marking function code
 555         section if scan_opd_relocs not yet called.
 556         (Target_powerpc::gc_process_relocs): Call process_gc_mark.
 557
 558 2012-10-12  Alan Modra  <amodra@gmail.com>
 559
 560         * powerpc.cc (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
 561         add_local_ifunc_entry): Revert last change.
 562         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise.
 563
 564 2012-10-05  Alan Modra  <amodra@gmail.com>
 565
 566         * powerpc.cc (Target_powerpc::do_plt_address_for_local,
 567         do_plt_address_for_global): New functions.
 568         (Output_data_got_powerpc::do_write): Don't segfault when linking
 569         statically.
 570         (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
 571         add_local_ifunc_entry): Return true on adding entry..
 572         (Target_powerpc::make_plt_entry): ..use to avoid unnecessary
 573         glink->add_entry call.  Remove unused symtab param.  Adjust calls.
 574         (Target_powerpc::make_local_ifunc_plt_entry): Likewise.
 575         (Target_powerpc::make_iplt_section): Remove symtab param.  Don't
 576         set up symbols here.
 577         (Target_powerpc::do_finalize_sections): Instead set up __rela_iplt
 578         syms here.  Do so even when no .iplt.  Don't segfault when linking
 579         statically.
 580         (Output_data_glink::add_entry, find_entry): Rearrange params.  Add
 581         new variants without reloc param.
 582         (Glink_sym_ent::Glink_sym_ent): Likewise.
 583         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Accept any
 584         reloc when refs will resolve to plt call stub.
 585         (Target_powerpc::Scan::local): Correct ifunc handling.  Allow
 586         R_PPC_PLTREL24 to resolve locally.
 587         (Target_powerpc::Scan::global): Correct ifunc handling.
 588         (Target_powerpc::Relocate::relocate): Correct local sym glink
 589         lookup.  Don't destroy "value" when we have a plt call stub,
 590         and when checking plt call validity.
 591         (Target_powerpc::do_dynsym_value): Simplify.
 592
 593 2012-10-05  Alan Modra  <amodra@gmail.com>
 594
 595         * i386.cc (Output_data_plt_i386::address_for_global,
 596         address_for_local): Add plt offset to returned value.  Adjust uses.
 597         * sparc.cc (Output_data_plt_sparc::address_for_global,
 598         address_for_local): Likewise.
 599         * tilegx.cc (Output_data_plt_tilegx::address_for_global,
 600         address_for_local): Likewise.
 601         * x86_64.cc (Output_data_plt_x86_64::address_for_global,
 602         address_for_local): Likewise.
 603         * target.h (Target::plt_address_for_global, plt_address_for_local):
 604         Update comment.
 605         * output.cc (Output_reloc::symbol_value): Don't add plt offset here.
 606         (Output_data_got::Got_entry::write): Nor here.
 607         * output.h: Comment fix.
 608
 609 2012-10-02  Jiong Wang  <jiwang@tilera.com>
 610
 611         * tilegx.cc (Target_tilegx::do_finalize_sections): Adjust
 612         global_offset_table_ value for larget got.
 613         (Target_tilegx::Relocate::relocate): Handle adjusted got value.
 614
 615 2012-09-29  Alan Modra  <amodra@gmail.com>
 616
 617         * powerpc.cc (Target_powerpc::iplt_): New output section.
 618         (Target_powerpc::iplt_section, make_iplt_section,
 619         reloc_needs_plt_for_ifunc, make_local_ifunc_plt_entry): New functions.
 620         (Target_powerpc::make_plt_entry): Handle ifunc syms.
 621         Target_powerpc::plt_entry_count): Count iplt entries too.
 622         (Output_data_plt_powerpc::Output_data_plt_powerpc): Don't create
 623         reloc section in constructor.  New params.
 624         (Target_powerpc::make_plt_section): Create reloc section here instead.
 625         (Output_data_plt_powerpc::add_ifunc_entry, add_local_ifunc_entry): New
 626         functions.
 627         (Output_data_plt_powerpc::initial_plt_entry_size_, name_): New vars.
 628         (Output_data_glink::add_entry, find_entry): New functions to
 629         deal with local syms.
 630         (Glink_sym_ent): Add support for local syms.
 631         (Output_data_glink::do_write): Handle ifunc plt entries.
 632         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
 633         (Target_powerpc::Scan::local, global): Handle ifunc syms.
 634         (Target_powerpc::Relocate::relocate): Likewise.
 635         (Target_powerpc::do_dynsym_value): Use glink stub, not plt entry.
 636
 637 2012-09-25  Alan Modra  <amodra@gmail.com>
 638
 639         * object.h (Sized_relobj_file::adjust_local_symbol,
 640         do_adjust_local_symbol): New functions.
 641         * object.cc (Sized_relobj_file::do_count_local_symbols): Use the above.
 642         * powerpc.cc (Powerpc_relobj::do_adjust_local_symbol): New function.
 643         (Powerpc_relobj::scan_opd_relocs): Warn on unexpected opd relocs
 644         and irregular opd entry spacing.
 645         (Powerpc_relobj::do_read_relocs): Add opd size checks.
 646         (Global_symbol_visitor_opd): New functor.
 647         (Target_powerpc::do_finalize_sections): Omit global symbols defined
 648         on deleted opd entries.
 649
 650 2012-09-15  Jiong Wang  <jiwang@tilera.com>
 651
 652         * tilegx.cc: New file.
 653         * Makefile.am (TARGETSOURCES): Add tilegx.cc
 654         (ALL_TARGETOBJS): Add tilegx.$(OBJEXT)
 655         * configure.tgt: Add entries for tilegx*.
 656         * configure.ac: Likewise.
 657         * Makefile.in: Rebuild.
 658         * configure: Likewise.
 659         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Handle
 660         tilegx.
 661
 662 2012-09-13  Alan Modra  <amodra@gmail.com>
 663
 664         * target-reloc.h (scan_relocs): Call scan.local for relocs
 665         against symbols in discarded sections.  Pass is_discarded
 666         param.
 667         * arm.cc, * i386.cc, * sparc.cc, * x86_64.cc (Target_*::Scan::local):
 668         Add is_discarded param.
 669         * powerpc (Target_powerpc::Scan::local): Likewise.  Use
 670         is_discarded to flag opd entry as discarded.  Don't emit dyn
 671         relocs on such entries.
 672         (Target_powerpc::Scan::global): Similarly detect and handle
 673         such opd entries.
 674         (Powerpc_relobj): Replace opd_ent_shndx_ and opd_ent_off_ with
 675         opd_ent_.  Update all uses.
 676         (Powerpc_relobj::get_opd_discard, set_opd_discard): New functions.
 677         (Target_powerpc::relocate_section): Zero out discarded opd
 678         entry relocs.
 679
 680 2012-09-12  Ian Lance Taylor  <iant@google.com>
 681
 682         PR gold/14570
 683         * output.cc: Rename Output_data_got template parameter from size
 684         to got_size for all functions.  Compile all variants of
 685         Output_data_got.
 686         (Output_data_got::Got_entry::write): Correct use of size for
 687         symbol value.  Use local_is_tls rather than casting to
 688         Sized_relobj_file.
 689         * object.h (class Object): Add local_is_tls and do_local_is_tls.
 690         (class Sized_relobj_file): Add do_local_is_tls.
 691         * incremental.h (class Sized_relobj_incr): Add do_local_is_tls.
 692
 693 2012-09-11  Alan Modra  <amodra@gmail.com>
 694
 695         PR gold/14566
 696         * layout.cc (Layout::set_segment_offsets): When using
 697         common-page-size alignment, ensure we are on a new max-page-size
 698         page.
 699         * output.cc (Output_segment::set_section_addresses): Use
 700         abi_pagesize, not common_pagesize for relro boundary.
 701         (Output_segment::set_offset): Likewise.
 702
 703 2012-09-11  Alan Modra  <amodra@gmail.com>
 704
 705         * output.h (Output_data_got::add_global_tls, add_local_tls,
 706         add_local_tls_pair): New functions.
 707         (Output_data_got::add_local_pair_with_rel): Remove second
 708         reloc param.  Expand comment.
 709         (Output_data_got::Got_entry): Rename use_plt_offset_ to
 710         use_plt_or_tls_offset_, similarly for constructor param.
 711         (Output_data_got::Got_entry::write): Add got_index param.
 712         * output.cc (Output_data_got::add_global_tls, add_local_tls,
 713         add_local_tls_pair): New functions.
 714         (Output_data_got::Got_entry::write): Handle tls symbols
 715         with use_plt_or_tls_offset_ set specially.
 716         (Output_data_got::add_local_pair_with_rel): Only one reloc.
 717         (Output_data_got::do_write): Replace iterator with index, pass
 718         index to entry write function.
 719         * target.h (Target::tls_offset_for_local, tls_offset_for_global,
 720         do_tls_offset_for_local, do_tls_offset_for_global): New functions.
 721         * arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel
 722         call.
 723         * i386.cc (Target_i386::Scan::local): Likewise.
 724         * sparc.cc (Target_sparc::Scan::local): Likewise.
 725         * x86_64.cc (Target_x86_64::Scan::local): Likewise.
 726         * powerpc.cc (Target_powerpc::do_tls_offset_for_local,
 727         do_tls_offset_for_global): New functions.
 728         (Target_powerpc::Scan::local): Correct TLS relocations and got
 729         entry values.
 730         (Target_powerpc::Scan::global): Don't emit unnecessary
 731         dynamic relocations on TLS GOT entries.
 732
 733 2012-09-10  Matthias Klose  <doko@ubuntu.com>
 734
 735         * config.in: Disable sanity check for kfreebsd.
 736
 737 2012-09-10  Sterling Augustine  <saugustine@google.com>
 738
 739         * gdb-index.cc (Gdb_index::pubnames_read): New parameter.
 740         (Gdb_index::pubtypes_read): New parameter.
 741         (Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters
 742         to calls.
 743         * gdb-index.h (Gdb_index): New fields pubnames_object_ and
 744         pubtypes_object_.
 745
 746 2012-09-09  Alan Modra  <amodra@gmail.com>
 747
 748         * target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.
 749         (Sized_target::gc_add_reference, do_gc_add_reference): New functions.
 750         * gc.h (gc_process_relocs): Call target gc_add_reference.
 751         * gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
 752         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
 753         (Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
 754         unnecessary cast.
 755         * powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
 756         to cater for when we don't need code offset.  Update use.
 757         (Powerpc_relobj::access_from_map_, opd_valid_): New vars.
 758         (Powerpc_relobj::access_from_map, add_reference, opd_valid,
 759         set_opd_valid): New functions.
 760         (Target_powerpc::do_gc_add_reference): New function.
 761         (Target_powerpc::gc_process_relocs): Call gc()->add_reference on
 762         stashed refs.
 763         (Target_powerpc::do_gc_mark_symbol): New function.
 764
 765 2012-09-06  Cary Coutant  <ccoutant@google.com>
 766
 767         * dwarf_reader.cc (Dwarf_die::read_attributes): Add
 768         DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index.
 769         (Dwarf_die::skip_attributes): Likewise.
 770         * object.cc (Read_symbols_data::~Read_symbols_data): Update comment.
 771         * testsuite/gdb_index_test.cc (inline_func_1): New function.
 772         (main): Call it.
 773         * testsuite/gdb_index_test_comm.sh: Check index for inline function.
 774
 775 2012-09-05  H.J. Lu  <hongjiu.lu@intel.com>
 776
 777         * testsuite/script_test_3.t: Add .got.plt output section
 778         statement.
 779         * testsuite/script_test_4.t: Likewise.
 780
 781 2012-09-05  Alan Modra  <amodra@gmail.com>
 782
 783         * powerpc.cc (Powerpc_relocate_functions): Upcase enum values,
 784         update all uses and lose "enum" when using type.
 785
 786 2012-09-05  Alan Modra  <amodra@gmail.com>
 787
 788         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc.
 789         * configure: Regenerate.
 790         * testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm.
 791         (plugin_final_layout.stdout): Likewise.
 792         (memory_test): Set page sizes to 0x1000.
 793         * testsuite/Makefile.in: Regenerate.
 794         * testsuite/discard_locals_test.sh: Add FIXME comment.
 795         * testsuite/justsyms_exec.c: Disable function test for powerpc64.
 796         * testsuite/pr14265.t: Add .got output section statement.
 797         * testsuite/script_test_2.t: Likewise.
 798         * testsuite/script_test_3.t: Likewise.
 799         * testsuite/script_test_4.t: Likewise.
 800         * testsuite/script_test_5.t: Likewise.
 801         * testsuite/script_test_6.t: Likewise.
 802         * testsuite/script_test_7.t: Likewise.
 803         * testsuite/script_test_9.t: Likewise.
 804
 805 2012-09-05  Alan Modra  <amodra@gmail.com>
 806
 807         * powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.
 808         (Powerpc_relocate_functions::Status): New typedef.
 809         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
 810         (Target_powerpc::Scan::local): Handle REL64.
 811         (Target_powerpc::Scan::global): Likewise, and dynamic relocs
 812         for REL32 and REL64.
 813         (Target_powerpc::symval_for_branch): New function, extracted from..
 814         (Target_powerpc::Relocate::relocate): ..here.  Correct plt call
 815         checks.  Report overflow errors.
 816
 817 2012-09-05  Alan Modra  <amodra@gmail.com>
 818
 819         * object.h (Sized_relobj_file::emit_relocs): Delete.
 820         (Sized_relobj_file::emit_relocs_reltype): Delete.
 821         * reloc.cc (Sized_relobj_file::do_relocate_sections): Call target
 822         relocate_relocs for --emit-relocs.
 823         (Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete.
 824         * output.h: Update comment.
 825         (Output_segment::first_section): New function.
 826         (Output_segment::first_section_load_address): Use first_section.
 827         * output.cc (Output_segment::first_section): New function extracted..
 828         (Output_segment::first_section_load_address): ..from here.  Delete.
 829         * target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs.
 830         * target.h (Sized_target::relocate_for_relocatable): Likewise.
 831         * arm.cc (Target_arm::relocate_for_relocatable): Likewise, and
 832         adjust call to target.h function.
 833         * i386.cc (Target_i386): Likewise.
 834         * sparc.cc (Target_sparc): Likewise.
 835         * x86_64.cc (Target_x86_64): Likewise.
 836         * powerpc.cc (Target_powerpc): Likewise.
 837         (Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS.  Ensure
 838         first tls section has section symbol for optimised local dynamic
 839         output relocs.
 840         (Target_powerpc::Relocate::relocate): Correct local dynamic value.
 841         (Target_powerpc::relocate_relocs): Adjust relocs emitted for
 842         optimised tls code.
 843         * testsuite/testfile.cc (Target_test::relocate_for_relocatable):
 844         Rename to relocate_relocs.  Update error message.
 845
 846 2012-09-04  Andreas Schwab  <schwab@linux-m68k.org>
 847
 848         * powerpc.cc (do_make_elf_object): Allow ET_EXEC files with
 849         --just-symbols.
 850
 851 2012-08-31  Alan Modra  <amodra@gmail.com>
 852
 853         * powerpc.cc (Powerpc_relobj): Add and use Address typedef.
 854         (Powerpc_relobj::toc_base_offset): New stub function.
 855         (Target_powerpc): Add tp_offset, dtp_offset.  Rename
 856         got_mod_index_offset to tlsld_got_offset.  Update all refs.
 857         (Target_powerpc::Relocate::enum skip_tls): New.
 858         (Target_powerpc::call_tls_get_addr_): New var.
 859         (Target_powerpc::is_branch_reloc): Move to file scope.
 860         (Target_powerpc::relocate_tls, optimize_tls_reloc): Delete.
 861         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
 862         New functions.
 863         (Target_powerpc::enum Got_type): Delete old values, add new ones.
 864         (powerpc_info): Correct common_pagesize for ppc64.
 865         (at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions.
 866         (Powerpc_relocate_functions): Add overflow check enums and functions.
 867         Add non-shift version of rela, rela_ua.  Delete all rel public
 868         functions.  Delete addr16_lo.  Add addr64, addr64_u, addr32,
 869         addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3,
 870         addr16_ha3, addr14 functions.
 871         (Output_data_got_powerpc::add_constant_pair): New function.
 872         (Output_data_got_powerpc::got_base_offset): Likewise.
 873         (Output_data_got_powerpc::do_write): Correct 64-bit got header.
 874         (instruction constants): Sort, add some more.
 875         (Output_data_glink::do_write): Add and use Address typedef.  Use
 876         object->toc_base_offset() stub for 64-bit.
 877         (Target_powerpc::tlsld_got_offset): Use add_constant_pair.
 878         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
 879         (Target_powerpc::Scan::local, global): Emit relative dynamic reloc
 880         for R_PPC64_TOC.  Handle more relocs.  Generate got entries for TLS.
 881         Always treat .opd relocs as against locally defined symbol.
 882         Correct condition for RELATIVE relocs.
 883         (Target_powerpc::do_finalize_sections): Test for NULL sections.
 884         (Target_powerpc::Relocate::relocate): Use plt call stub as value
 885         for 32-bit syms with a plt entry.  Correct ppc64 toc base
 886         calculations.  Handle TLS relocs, and more.  Add overflow
 887         checking and adjust for Powerpc_relocate_functions changes.
 888         (Target_powerpc::relocate_for_relocatable): Handle zero r_sym.
 889         Reinstate --emit-relocs code with FIXME.
 890
 891 2012-08-30  Alan Modra  <amodra@gmail.com>
 892
 893         * layout.cc (Layout::set_segment_offsets): Set p_align to
 894         abi_pagesize, not common_pagesize.
 895         (Layout::relaxation_loop_body): Similarly use abi_pagesize
 896         to determine whether file header can go in segment.
 897
 898 2012-08-30  Alan Modra  <amodra@gmail.com>
 899
 900         * output.h (Output_reloc::Output_reloc <output section>): Add
 901         is_relative param.  Adjust calls.
 902         (Output_reloc::add_output_section_relative): New functions.
 903         * output.cc (Output_reloc::Output_reloc <output section>): Handle
 904         is_relative.
 905         (Output_reloc::symbol_value): Handle SECTION_CODE.
 906
 907 2012-08-24  Sriraman Tallam  <tmsriram@google.com>
 908
 909         * gold.cc (queue_middle_tasks): Call layout again when unique
 910         segments for sections is desired.
 911         * layout.cc (Layout::Layout): Initialize new members.
 912         (Layout::get_output_section_flags): New function.
 913         (Layout::choose_output_section): Call get_output_section_flags.
 914         (Layout::layout): Make output section for mapping to a unique segment.
 915         (Layout::insert_section_segment_map): New function.
 916         (Layout::attach_allocated_section_to_segment): Make unique segment for
 917         output sections marked so.
 918         (Layout::segment_precedes): Check for unique segments when sorting.
 919         * layout.h (Layout::Unique_segment_info): New struct.
 920         (Layout::Section_segment_map): New typedef.
 921         (Layout::insert_section_segment_map): New function.
 922         (Layout::get_output_section_flags): New function.
 923         (Layout::is_unique_segment_for_sections_specified): New function.
 924         (Layout::set_unique_segment_for_sections_specified): New function.
 925         (Layout::unique_segment_for_sections_specified_): New member.
 926         (Layout::section_segment_map_): New member.
 927         * object.cc (Sized_relobj_file<size, big_endian>::do_layout):
 928         Rename is_gc_pass_one to is_pass_one.
 929         Rename is_gc_pass_two to is_pass_two.
 930         Rename is_gc_or_icf to is_two_pass.
 931         Check for which pass based on whether symbols data is present.
 932         Make it two pass when unique segments for sections is desired.
 933         * output.cc (Output_section::Output_section): Initialize new
 934         members.
 935         * output.h (Output_section::is_unique_segment): New function.
 936         (Output_section::set_is_unique_segment): New function.
 937         (Output_section::is_unique_segment_): New member.
 938         (Output_section::extra_segment_flags): New function.
 939         (Output_section::set_extra_segment_flags): New function.
 940         (Output_section::extra_segment_flags_): New member.
 941         (Output_section::segment_alignment): New function.
 942         (Output_section::set_segment_alignment): New function.
 943         (Output_section::segment_alignment_): New member.
 944         (Output_segment::Output_segment): Initialize is_unique_segment_.
 945         (Output_segment::is_unique_segment): New function.
 946         (Output_segment::set_is_unique_segment): New function.
 947         (Output_segment::is_unique_segment_): New member.
 948         * plugin.cc (allow_unique_segment_for_sections): New function.
 949         (unique_segment_for_sections): New function.
 950         (Plugin::load): Add new functions to transfer vector.
 951         * Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
 952         * Makefile.in: Regenerate.
 953         * testsuite/plugin_final_layout.sh: Check if unique segment
 954         functionality works.
 955         * testsuite/plugin_section_order.c (onload): Check if new interfaces
 956         are available.
 957         (allow_unique_segment_for_sections): New global.
 958         (unique_segment_for_sections): New global.
 959         (claim_file_hook): Call allow_unique_segment_for_sections.
 960         (all_symbols_read_hook): Call unique_segment_for_sections.
 961
 962 2012-08-22  Cary Coutant  <ccoutant@google.com>
 963
 964         * layout.cc (Layout::include_section): Don't assert on GROUP
 965         sections with --emit-relocs.
 966
 967 2012-08-21  Cary Coutant  <ccoutant@google.com>
 968
 969         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
 970         if --export-dynamic-symbol names an undef symbol.
 971
 972 2012-08-18  Alan Modra  <amodra@gmail.com>
 973
 974         * powerpc.cc: Formatting and white space.
 975         (Powerpc_relobj): Rename got2_section_ to special_.
 976         Add opd_ent_shndx_ and opd_ent_off_ vectors.
 977         (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
 978         scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
 979         (Target_powerpc): Add Address typedef and invalid_address.  Use
 980         throughout.
 981         (Target_powerpc::is_branch_reloc): New function.
 982         (Powerpc_relocate_functions): Add Address typedef, use throughout.
 983         (Powerpc_relocate_functions:rela, rela_ua): Correct type used
 984         for dst_mask, value and addend.
 985         (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
 986         (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
 987         (Output_data_glink::do_write): Correct toc base.  Don't try to use
 988         uint16_t for 24-bit offset.  Use get_output_section_offset and
 989         check return.
 990         (Target_powerpc::Scan::local): Handle more relocs.
 991         (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
 992         (Target_powerpc::Relocate::relocate): Correct toc base calculation.
 993         Plug in toc restoring insn after plt calls.  Translate branches
 994         to function descriptor symbols to corresponding entry point.
 995         (Target_powerpc::relocate_for_relocatable): Check return from
 996         get_output_section_offset.
 997         * symtab.h: Comment typo.
 998
 999 2012-08-14  Ian Lance Taylor  <iant@google.com>
1000
1001         * x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
1002         unsupported_relocal_local to call unsupported_reloc_global.
1003
1004 2012-08-14  Nick Clifton  <nickc@redhat.com>
1005
1006         PR ld/14265
1007         * script-sections.cc (Sections_element::output_section_name): Add
1008         keep return parameter.
1009         (Output_section_element::match_name): Add keep return parameter.
1010         Return the value of the keep_ member.
1011         * script-sections.h (class Output_section): Update
1012         output_section_name prototype.
1013         * layout.cc (Layout::keep_input_section): New public member
1014         function.
1015         (Layout::choose_output_section): Pass keep parameter to
1016         output_section_name.
1017         * layout.h (class Layout): Add keep_input_section.
1018         * object.cc (Sized_relobj_file::do_layout): Check for kept input
1019         sections.
1020         * testsuite/Makefile.am: Add a test.
1021         * testsuite/Makefile.in: Regenerate.
1022         * testsuite/pr14265.c: Source file for the test.
1023         * testsuite/pr14265.t: Linker script for the test.
1024         * testsuite/pr14265.sh: Shell script for the test.
1025
1026 2012-08-14  Alan Modra  <amodra@gmail.com>
1027
1028         * target.h (Target::output_section_name): New function.
1029         (Target::do_output_section_name): New function.
1030         * layout.cc (Layout::choose_output_section): Call the above.
1031         * powerpc.cc (Target_powerpc::do_output_section_name): New function.
1032
1033 2012-08-14  Alan Modra  <amodra@gmail.com>
1034
1035         * powerpc.cc: Update for renamed R_PPC_REL16 relocs.
1036         (Output_data_got_powerpc::do_write): Don't rely on base class lookup
1037         for replace_constant call.
1038         (Output_data_plt_powerpc::do_print_to_mapfile): New function.
1039         (Output_data_glink::do_print_to_mapfile): New function.
1040         (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
1041         (Target_powerpc::Relocate::relocate): Likewise.
1042
1043 2012-08-14  Alan Modra  <amodra@gmail.com>
1044
1045         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
1046         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
1047         (Output_data_glink::add_entry,find_entry): Remove shndx param.
1048         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
1049         all references to shndx_.  Handle special case for R_PPC_PLTREL24
1050         here.
1051         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
1052         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
1053         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
1054         here.
1055         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
1056         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
1057
1058 2012-08-12  Alan Modra  <amodra@gmail.com>
1059
1060         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
1061         (glink insn constants): Use uint32_t.
1062         (Output_data_glink::add_entry): Use insert, not [] operator.
1063
1064 2012-08-11  Alan Modra  <amodra@gmail.com>
1065
1066         * object.h (Sized_relobj_file::find_shdr): New function.
1067         (Sized_relobj_file::find_special_sections): New function.
1068         * object.cc (Sized_relobj_file::find_shdr): New function.
1069         (Sized_relobj_file::find_eh_frame): Use find_shdr.
1070         (Sized_relobj_file::find_special_sections): New function, split out..
1071         (Sized_relobj_file::do_read_symbols): ..from here.
1072         * output.h (Output_data_got::replace_constant): New function.
1073         (Output_data_got::num_entries): New function.
1074         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
1075         (Output_data_got::got_offset): Protected rather than private.
1076         (Output_data_got::replace_got_entry): New function.
1077         * output.cc (Output_data_got::replace_got_entry): New function.
1078         * powerpc.cc (class Powerpc_relobj): New.
1079         (class Powerpc_relocate_functions): Delete all psymval variants or
1080         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
1081         Implement _ha functions using corresponding _hi function.
1082         (Powerpc_relobj::find_special_sections): New function.
1083         (Target_powerpc::do_make_elf_object): New function.
1084         (class Output_data_got_powerpc): New.
1085         (class Output_data_glink): New.
1086         (class Powerpc_scan_relocatable_reloc): New.
1087         Many more changes througout file.
1088
1089 2012-08-09  Nick Clifton  <nickc@redhat.com>
1090
1091         * po/vi.po: Updated Vietnamese translation.
1092
1093 2012-08-07  Ian Lance Taylor  <iant@google.com>
1094
1095         * layout.cc (Layout::add_target_dynamic_tags): If
1096         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
1097         plt_rel.
1098
1099 2012-07-30  Nick Clifton  <nickc@redhat.com>
1100
1101         * po/gold.pot: Updated template.
1102         * po/es.po: Updated Spanish translation.
1103
1104 2012-07-18  Cary Coutant  <ccoutant@google.com>
1105
1106         PR gold/14344
1107         * configure.ac: Add check for -gpubnames support.
1108         * configure: Regenerate.
1109         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
1110         support; force -gno-pubnames.
1111         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
1112         support.
1113         (gdb_index_test_4): New test.
1114         * testsuite/Makefile.in: Regenerate.
1115         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
1116         * testsuite/gdb_index_test_2.sh: Likewise.
1117         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
1118         * testsuite/gdb_index_test_4.sh: New script.
1119         * testsuite/gdb_index_test_comm.sh: New script with common code;
1120         don't look for space after colon.
1121
1122 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
1123
1124         * gold.cc (queue_middle_tasks): Update function order only after
1125         deferred objects due to plugins are processed.
1126
1127 2012-07-11  Ian Lance Taylor  <iant@google.com>
1128
1129         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
1130         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
1131         (Target_arm::scan_reloc_for_stub): Likewise.
1132         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
1133         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
1134         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
1135         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
1136         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
1137
1138 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
1139             Ian Lance Taylor  <iant@google.com>
1140
1141         PR gold/14309
1142         * configure.ac: Test whether std::tr1::hash<off_t> works.
1143         * gold.h: Add a specialization for std::tr1::hash<off_t> if
1144         needed.
1145         * output.h (class Output_fill): Add virtual destructor.
1146         * configure, config.in: Rebuild.
1147
1148 2012-06-22  Roland McGrath  <mcgrathr@google.com>
1149
1150         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
1151
1152 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
1153
1154         * plugin.cc (Plugin::load): Handle position independent executables.
1155
1156 2012-06-06  Cary Coutant  <ccoutant@google.com>
1157
1158         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
1159         add .debug_macro.
1160         (lines_only_debug_sections): Likewise.
1161         (gdb_fast_lookup_sections): New static array.
1162         (is_gdb_debug_section): Rename formal parameter.
1163         (is_lines_only_debug_section): Likewise.
1164         (is_gdb_fast_lookup_section): New function.
1165         (Layout::include_section): Check for ".zdebug_" prefix; pass
1166         section name suffix to is_gdb_debug_section, et al.; check for
1167         fast-lookup sections when building .gdb_index.
1168         * options.h (--strip-debug-gdb): Update GDB version number.
1169
1170 2012-06-06  Cary Coutant  <ccoutant@google.com>
1171
1172         * configure.ac: Add check for fallocate.
1173         * configure: Regenerate.
1174         * config.in: Regenerate.
1175
1176         * options.h (class General_options): Add --mmap-output-file and
1177         --posix-fallocate options.
1178         * output.cc: (posix_fallocate): Remove; replace with...
1179         (gold_fallocate): New function.
1180         (Output_file::map_no_anonymous): Call gold_fallocate.
1181         (Output_file::map): Check --mmap-output-file option.
1182
1183 2012-06-05  Jing Yu  <jingyu@google.com>
1184
1185         * gold.h (textdomain): Add do {} to empty while(0).
1186         (bindtextdomain): Likewise.
1187
1188 2012-06-04  Cary Coutant  <ccoutant@google.com>
1189
1190         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
1191         has_dynsym_index.
1192
1193 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
1194
1195         * symtab.cc (Symbol_table::define_special_symbol):
1196         Initialize *poldsym to prevent uninitialized variable errors.
1197
1198 2012-05-23  Cary Coutant  <ccoutant@google.com>
1199
1200         * layout.cc (Layout::section_name_mapping): Add rules to handle
1201         exact match on .data.rel.ro.local or .data.rel.ro.
1202         (Layout::output_section_name): Check for exact matches.
1203
1204 2012-05-23  Cary Coutant  <ccoutant@google.com>
1205
1206         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
1207         more carefully.
1208
1209 2012-05-22  Cary Coutant  <ccoutant@google.com>
1210
1211         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
1212         object before exporting symbol.
1213
1214 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1215
1216         * testsuite/tls_test.cc: Include "config.h" first.
1217         * testsuite/tls_test_c.c: Likewise.
1218
1219 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
1220             Nick Clifton  <nickc@redhat.com>
1221
1222         PR 14072
1223         * configure.in: Add check that sysdep.h has been included before
1224         any system header files.
1225         * configure: Regenerate.
1226         * config.in: Regenerate.
1227
1228 2012-05-14  Cary Coutant  <ccoutant@google.com>
1229
1230         * layout.cc (Layout::make_output_section): Mark .tdata section
1231         as RELRO.
1232         * testsuite/relro_test.cc: Add a TLS variable.
1233
1234 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
1235
1236         PR gold/14091
1237         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
1238         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
1239         R_X86_64_64.
1240
1241 2012-05-08  Cary Coutant  <ccoutant@google.com>
1242
1243         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
1244         (lines_only_debug_sections): Likewise.
1245
1246 2012-05-02  Roland McGrath  <mcgrathr@google.com>
1247
1248         * nacl.cc: New file.
1249         * nacl.h: New file.
1250         * Makefile.am (CCFILES, HFILES): Add them.
1251         * Makefile.in: Regenerate.
1252         * i386.cc (Output_data_plt_i386_nacl): New class.
1253         (Output_data_plt_i386_nacl_exec): New class.
1254         (Output_data_plt_i386_nacl_dyn): New class.
1255         (Target_i386_nacl): New class.
1256         (Target_selector_i386_nacl): New class.
1257         (target_selector_i386): Use it instead of Target_selector_i386.
1258         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
1259         (Target_x86_64_nacl): New class.
1260         (Target_selector_x86_64_nacl): New class.
1261         (target_selector_x86_64, target_selector_x32): Use it instead of
1262         Target_selector_x86_64.
1263         * arm.cc (Output_data_plt_arm_nacl): New class.
1264         (Target_arm_nacl): New class.
1265         (Target_selector_arm_nacl): New class.
1266         (target_selector_arm, target_selector_armbe): Use it instead of
1267         Target_selector_arm.
1268
1269         * target-select.cc (select_target): Take new Input_file* and off_t
1270         arguments, pass them on to recognize method of selector.
1271         * object.cc (make_elf_sized_object): Update caller.
1272         * parameters.cc (parameters_force_valid_target): Likewise.
1273         * incremental.cc (make_sized_incremental_binary): Likewise.
1274         * target-select.h: Update decl.
1275         (Target_selector::recognize): Take new Input_file* argument,
1276         pass it on to do_recognize.
1277         (Target_selector::do_recognize): Take new Input_file* argument.
1278         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
1279         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
1280         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
1281         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
1282
1283         * target.h (Target::Target_info): New members isolate_execinstr
1284         and rosegment_gap.
1285         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
1286         * arm.cc (Target_arm::arm_info): Update initializer.
1287         * i386.cc (Target_i386::i386_info): Likewise.
1288         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
1289         * sparc.cc (Target_sparc::sparc_info): Likewise.
1290         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1291         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
1292         * layout.cc (Layout::attach_allocated_section_to_segment):
1293         Take new const Target* argument.  If target->isolate_execinstr(), act
1294         like --rosegment.
1295         (Layout::find_first_load_seg): Take new const Target* argument;
1296         if target->isolate_execinstr(), reject PF_X segments.
1297         (Layout::relaxation_loop_body): Update caller.
1298         (Layout::set_segment_offsets): If target->isolate_execinstr(),
1299         reset file offset to zero when we hit LOAD_SEG, and then do a second
1300         loop over the segments before LOAD_SEG to reassign offsets after
1301         addresses have been determined.  Handle target->rosegment_gap().
1302         (Layout::attach_section_to_segment): Take new const Target* argument;
1303         pass it to attach_allocated_section_to_segment.
1304         (Layout::make_output_section): Update caller.
1305         (Layout::attach_sections_to_segments): Take new const Target* argument;
1306         pass it to attach_section_to_segment.
1307         * gold.cc (queue_middle_tasks): Update caller.
1308         * layout.h (Layout): Update method decls with new arguments.
1309
1310         * arm.cc (Target_arm::Target_arm): Take optional argument for the
1311         Target_info pointer to use.
1312         (Target_arm::do_make_data_plt): New virtual method.
1313         (Target_arm::make_data_plt): New method that calls it.
1314         (Target_arm::make_plt_entry): Use it.
1315         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
1316         for the section alignment.
1317         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
1318         method.
1319         (Output_data_plt_arm::first_plt_entry_offset): Call it.
1320         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
1321         method.
1322         (Output_data_plt_arm::get_plt_entry_size): Call it.
1323         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
1324         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
1325         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
1326         method.
1327         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
1328         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
1329         method instead of sizeof(plt_entry).
1330         (Output_data_plt_arm::add_entry): Likewise.
1331         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
1332         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
1333         than static method.
1334         (Target_arm::plt_entry_size): Likewise.
1335         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
1336         Move to ...
1337         (Output_data_plt_arm_standard): ... here, new class.
1338         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
1339         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
1340         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
1341
1342         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1343         Take additional argument for the PLT entry size.
1344         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
1345         Use get_plt_entry_size method rather than plt_entry_size variable.
1346         (Output_data_plt_x86_64::reserve_slot): Likewise.
1347         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
1348         (Output_data_plt_x86_64::add_entry): Likewise.
1349         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
1350         (Output_data_plt_x86_64::address_for_global): Likewise.
1351         (Output_data_plt_x86_64::address_for_local): Likewise.
1352         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1353         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
1354         Make method non-static.
1355         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
1356         method.
1357         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
1358         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
1359         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
1360         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
1361         virtual method.
1362         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
1363         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
1364         virtual method.
1365         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
1366         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
1367         virtual method.
1368         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
1369         (Output_data_plt_x86_64::plt_entry_size)
1370         (Output_data_plt_x86_64::first_plt_entry)
1371         (Output_data_plt_x86_64::plt_entry)
1372         (Output_data_plt_x86_64::tlsdesc_plt_entry)
1373         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
1374         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
1375         (Output_data_plt_x86_64_standard): ... here, new class.
1376         (Target_x86_64::Target_x86_64): Take optional argument for the
1377         Target_info pointer to use.
1378         (Target_x86_64::do_make_data_plt): New virtual method.
1379         (Target_x86_64::make_data_plt): New method to call it.
1380         (Target_x86_64::init_got_plt_for_update): Use that.
1381         Call this->plt_->add_eh_frame method here.
1382         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
1383         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
1384         rather than static method.
1385         (Target_x86_64::plt_entry_size): Likewise.
1386         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
1387         rather than plt_entry_size variable.  Move guts of PLT filling to...
1388         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
1389         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
1390         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
1391
1392         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
1393         additional argument for the section alignment.
1394         Don't do add_eh_frame_for_plt here.
1395         (Output_data_plt_i386::first_plt_entry_offset): Make the method
1396         non-static.  Use get_plt_entry_size method rather than plt_entry_size
1397         variable.
1398         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
1399         method.
1400         (Output_data_plt_i386::get_plt_entry_size): Call it.
1401         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
1402         (Output_data_plt_i386::add_eh_frame): New method to call it.
1403         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
1404         method.
1405         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
1406         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
1407         method.
1408         (Output_data_plt_i386::fill_plt_entry): New method to call it.
1409         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
1410         method instead of plt_entry_size.
1411         (Output_data_plt_i386::plt_entry_size)
1412         (Output_data_plt_i386::plt_eh_frame_fde_size)
1413         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
1414         (Output_data_plt_i386_standard): ... here, new class.
1415         (Output_data_plt_i386_exec): New class.
1416         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
1417         (Output_data_plt_i386_exec::first_plt_entry): ... here.
1418         (Output_data_plt_i386::exec_plt_entry): Move to ...
1419         (Output_data_plt_i386_exec::plt_entry): ... here.
1420         (Output_data_plt_i386_dyn): New class.
1421         (Output_data_plt_i386::first_plt_entry): Move to ...
1422         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
1423         (Output_data_plt_i386::dyn_plt_entry): Move to ...
1424         (Output_data_plt_i386_dyn::plt_entry): ... here.
1425         (Target_i386::Target_i386): Take optional argument for the Target_info
1426         pointer to use.
1427         (Target_i386::do_make_data_plt): New virtual method.
1428         (Target_i386::make_data_plt): New method to call it.
1429         (Target_i386::make_plt_section): Use that.
1430         Call this->plt_->add_eh_frame method here.
1431         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
1432         rather than plt_entry_size variable.
1433         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
1434         (Output_data_plt_i386::address_for_local): Likewise.
1435         (Output_data_plt_i386::do_write): Likewise.
1436         Move guts of PLT filling to...
1437         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
1438         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
1439         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
1440         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
1441
1442 2012-05-01  Cary Coutant  <ccoutant@google.com>
1443
1444         * dwarf_reader.cc (Dwarf_die::read_attributes)
1445         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
1446         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
1447         * reduced_debug_output.cc
1448         (Output_reduced_debug_info_section::get_die_end): Remove
1449         DW_FORM_GNU_ref_index.  Add default case.
1450
1451 2012-04-26  Mark Wielaard  <mjw@redhat.com>
1452
1453         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
1454         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
1455         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
1456         DW_AT_high_pc as offset from DW_AT_low_pc.
1457
1458         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
1459         * testsuite/Makefile.in: Regenerate.
1460         * testsuite/gdb_index_test_3.c: New test source file.
1461         * testsuite/gdb_index_test_3.sh: New test source file.
1462
1463 2012-04-25  Ian Lance Taylor  <iant@google.com>
1464
1465         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
1466         pointer.
1467         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
1468         as a class, not a struct.
1469         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
1470         (Target_arm::apply_cortex_a8_workaround): Likewise.
1471         * gc.h: Declare Reloc_types as a struct, not a class.
1472         * object.h: Declare Symbols_data as a struct.
1473         * reloc.h: Declare Read_relocs_data as a struct.
1474         * target.h: Declare Relocate_info as a struct.
1475
1476 2012-04-24  David S. Miller  <davem@davemloft.net>
1477
1478         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
1479         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
1480         and R_SPARC_WPLT30.
1481
1482 2012-04-24  Cary Coutant  <ccoutant@google.com>
1483
1484         * incremental-dump.cc (find_input_containing_global): Replace
1485         magic number with symbolic constant.
1486         (dump_incremental_inputs): Update version number.
1487         * incremental.cc (Output_section_incremental_inputs): Update version
1488         number; import symbolic constants from Incremental_inputs_reader.
1489         (Incremental_inputs::create_data_sections): Align relocations
1490         section correctly for 64-bit targets.
1491         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
1492         constants; add padding.
1493         (Output_section_incremental_inputs::write_header): Add assert for
1494         header_size.
1495         (Output_section_incremental_inputs::write_input_files): Add assert
1496         for input_entry_size.
1497         (Output_section_incremental_inputs::write_info_blocks): Add padding;
1498         add assert for object_info_size, input_section_entry_size,
1499         global_sym_entry_size.
1500         * incremental.h (Incremental_inputs_reader): Add symbolic constants
1501         for data structure sizes; use them.
1502         (Incremental_input_entry_reader): Import symbolic constants from
1503         Incremental_inputs_reader; use them.
1504
1505 2012-04-23  David S. Miller  <davem@davemloft.net>
1506
1507         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
1508         and elf_flags_set_.
1509         (Target_sparc::Target_sparc): Initialize new fields.
1510         (Target_sparc::do_make_elf_object): New function.
1511         (Target_sparc::do_adjust_elf_header): New function.
1512
1513 2012-04-23  Cary Coutant  <ccoutant@google.com>
1514
1515         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
1516         CU range table of gdb index.
1517
1518 2012-04-20  David S. Miller  <davem@davemloft.net>
1519
1520         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
1521         instead of false.
1522
1523 2012-04-16  David S. Miller  <davem@davemloft.net>
1524
1525         * sparc.cc (Target_sparc::got_address): New function.
1526         (Sparc_relocate_functions::gdop_hix22): New function.
1527         (Sparc_relocate_functions::gdop_lox10): New function.
1528         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
1529         relocs.
1530         (Target_sparc::Scan::local): Likewise if the global symbol is not
1531         preemptible and is not IFUNC.
1532         (Target_sparc::Relocate::relocate): Perform GOTDATA code
1533         transformations for local and non-preemptible non-IFUNC global
1534         symbols.
1535
1536         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
1537         writing out 64-bit part of ranges.
1538
1539         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
1540         -fpic and -fpie respectively.
1541         * Makefile.in: Regenerate.
1542
1543         * sparc.cc (class Target_sparc): Add rela_ifunc_.
1544         (Target_sparc::Target_sparc): Initialize new field.
1545         (Target_sparc::do_plt_section_for_global): New function.
1546         (Target_sparc::do_plt_section_for_local): New function.
1547         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
1548         (Target_sparc::make_plt_section): New function, broken out of
1549         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
1550         (Target_sparc::make_plt_entry): Call make_plt_section.
1551         (Target_sparc::make_local_ifunc_plt_entry): New function.
1552         (Target_sparc::rela_ifunc_section): New function.
1553         (Target_sparc::plt_section): Remove const.
1554         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
1555         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
1556         and ifunc_count_ fields.
1557         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
1558         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
1559         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
1560         (Output_data_plt_sparc::rela_ifunc): New function.
1561         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
1562         (Output_data_plt_sparc::has_ifunc_section): New function.
1563         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
1564         (Output_data_plt_sparc::address_for_global): New function.
1565         (Output_data_plt_sparc::address_for_local): New function.
1566         (Output_data_plt_sparc::plt_index_to_offset): New function.
1567         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
1568         and entry_count.
1569         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
1570         entry_count.
1571         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
1572         R_SPARC_JMP_IREL to switch.
1573         (Target_sparc::Scan::check_non_pic): Likewise.
1574         (Target_sparc::Scan::local): Handle IFUNC symbols.
1575         (Target_sparc::Scan::local): Likewise.
1576         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
1577         and plt_address_for_local.
1578         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
1579         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
1580
1581         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
1582         (class Output_data_reloc): Adjust calls to Output_reloc_type.
1583         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
1584         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
1585         global relocs too.
1586         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
1587         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
1588         calls.
1589         * sparc.cc (Target_sparc::Scan::global): Likewise.
1590         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1591
1592 2012-04-16  Cary Coutant  <ccoutant@google.com>
1593
1594         * archive.cc (Library_base::should_include_member): Check for
1595         --export-dynamic-symbol.
1596         * options.h (class General_options): Add --export-dynamic-symbol.
1597         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
1598         --export-dynamic-symbol.
1599         (Symbol_table::gc_mark_undef_symbols): Likewise.
1600         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
1601
1602 2012-04-12  David S. Miller  <davem@davemloft.net>
1603
1604         * sparc.cc (Reloc::wdisp10): New relocation method.
1605         (Reloc::h34): Likewise.
1606         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
1607         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
1608         R_SPARC_WDISP10.
1609         (Target_sparc::Scan::local): Likewise.
1610         (Target_sparc::Scan::global): Likewise.
1611         (Target_sparc::Relocate::relocate): Likewise.
1612
1613 2012-04-09  Cary Coutant  <ccoutant@google.com>
1614
1615         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
1616         low_pc == 0.
1617
1618 2012-04-06  Ian Lance Taylor  <iant@google.com>
1619
1620         * timer.cc: #include <unistd.h>.
1621
1622 2012-04-06  Roland McGrath  <mcgrathr@google.com>
1623
1624         * configure.in (AC_CHECK_HEADERS): Add locale.h.
1625         * config.in: Regenerate.
1626         * configure: Regenerate.
1627
1628 2012-04-05  Nick Clifton  <nickc@redhat.com>
1629
1630         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
1631         (AM_LC_MESSAGES): Add.
1632         * aclocal.m4: Regenerate.
1633         * config.in: Regenerate.
1634         * configure: Regenerate.
1635
1636 2012-03-21  Cary Coutant  <ccoutant@google.com>
1637
1638         * Makefile.am: Add gdb-index.cc, gdb-index.h.
1639         * Makefile.in: Regenerate.
1640         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
1641         (Sized_elf_reloc_mapper::symbol_section): New function.
1642         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
1643         (make_elf_reloc_mapper): New function.
1644         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
1645         (Dwarf_abbrev_table::do_read_abbrevs): New function.
1646         (Dwarf_abbrev_table::do_get_abbrev): New function.
1647         (Dwarf_ranges_table::read_ranges_table): New function.
1648         (Dwarf_ranges_table::read_range_list): New function.
1649         (Dwarf_pubnames_table::read_section): New function.
1650         (Dwarf_pubnames_table::read_header): New function.
1651         (Dwarf_pubnames_table::next_name): New function.
1652         (Dwarf_die::Dwarf_die): New function.
1653         (Dwarf_die::read_attributes): New function.
1654         (Dwarf_die::skip_attributes): New function.
1655         (Dwarf_die::set_name): New function.
1656         (Dwarf_die::set_linkage_name): New function.
1657         (Dwarf_die::attribute): New function.
1658         (Dwarf_die::string_attribute): New function.
1659         (Dwarf_die::int_attribute): New function.
1660         (Dwarf_die::uint_attribute): New function.
1661         (Dwarf_die::ref_attribute): New function.
1662         (Dwarf_die::child_offset): New function.
1663         (Dwarf_die::sibling_offset): New function.
1664         (Dwarf_info_reader::check_buffer): New function.
1665         (Dwarf_info_reader::parse): New function.
1666         (Dwarf_info_reader::do_parse): New function.
1667         (Dwarf_info_reader::do_read_string_table): New function.
1668         (Dwarf_info_reader::lookup_reloc): New function.
1669         (Dwarf_info_reader::get_string): New function.
1670         (Dwarf_info_reader::visit_compilation_unit): New function.
1671         (Dwarf_info_reader::visit_type_unit): New function.
1672         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
1673         Sized_elf_reloc_mapper.
1674         (Sized_dwarf_line_info::symbol_section): Remove function.
1675         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
1676         (Sized_dwarf_line_info::read_line_mappings): Remove object
1677         parameter, adjust callers.
1678         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
1679         * dwarf_reader.h: Include <sys/types.h>.
1680         (class Track_relocs): Remove forward declaration.
1681         (class Elf_reloc_mapper): New class.
1682         (class Sized_elf_reloc_mapper): New class.
1683         (class Dwarf_abbrev_table): New class.
1684         (class Dwarf_range_list): New class.
1685         (class Dwarf_ranges_table): New class.
1686         (class Dwarf_pubnames_table): New class.
1687         (class Dwarf_die): New class.
1688         (class Dwarf_info_reader): New class.
1689         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
1690         (Sized_dwarf_line_info::symbol_section): Remove member function.
1691         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
1692         base class.
1693         * gdb-index.cc: New source file.
1694         * gdb-index.h: New source file.
1695         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
1696         and .debug_types sections, call Layout::add_to_gdb_index.
1697         (Sized_relobj_incr::do_section_name): Implement.
1698         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
1699         return type; Implement.
1700         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
1701         return type.
1702         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
1703         parameter list and return type.
1704         (Sized_incr_dynobj::do_section_contents): Likewise.
1705         * layout.cc: Include gdb-index.h.
1706         (Layout::Layout): Initialize gdb_index_data_.
1707         (Layout::init_fixed_output_section): Check for .gdb_index section.
1708         (Layout::add_to_gdb_index): New function. Instantiate.
1709         * layout.h: Add forward declaration for class Gdb_index.
1710         (Layout::add_to_gdb_index): New member function.
1711         (Layout::gdb_index_data_): New data member.
1712         * main.cc: Include gdb-index.h.
1713         (main): Print statistics for gdb index.
1714         * object.cc (Object::section_contents): Move code into
1715         do_section_contents.
1716         (need_decompressed_section): Check for sections needed when building
1717         gdb index.
1718         (build_compressed_section_map): Likewise.
1719         (Sized_relobj_file::do_read_symbols): Need local symbols when building
1720         gdb index.
1721         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
1722         sections; call Layout::add_to_gdb_index.
1723         (Sized_relobj_file::do_decompressed_section_contents): Call
1724         do_section_contents directly.
1725         * object.h (Object::do_section_contents): Adjust parameter list and
1726         return type.
1727         (Object::do_decompressed_section_contents): Call do_section_contents
1728         directly.
1729         (Sized_relobj_file::do_section_contents): Adjust parameter list and
1730         return type.
1731         * options.h (class General_options): Add --gdb-index option.
1732         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
1733         list and return type.
1734         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
1735         * reloc.h (Track_relocs::checkpoint): New function.
1736         (Track_relocs::reset): New function.
1737
1738         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
1739         New test cases.
1740         * testsuite/Makefile.in: Regenerate.
1741         * testsuite/gdb_index_test.cc: New test source file.
1742         * testsuite/gdb_index_test_1.sh: New test source file.
1743         * testsuite/gdb_index_test_2.sh: New test source file.
1744
1745 2012-03-19  Doug Kwan  <dougkwan@google.com>
1746
1747         * arm.cc (Target_arm::do_define_standard_symbols): New method.
1748         (Target_arm::do_finalize_sections): Remove code which defines
1749         __exidx_start and __exidx_end.  Make symbol table parameter
1750         anonymous as it is not used.
1751         * gold.cc (queue_middle_tasks): Call target hook to define any
1752         target-specific symbols.
1753         * target.h (Target::define_standard_symbols): New method.
1754         (Target::do_define_standard_symbols): Same.
1755         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
1756         * testsuite/Makefile.in: Regenerate.
1757         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
1758         and __exidx_end.
1759         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
1760         relocations are generated for __exidx_start and __exidx_end.
1761
1762 2012-03-16  Doug Kwan  <dougkwan@google.com>
1763
1764         * testsuite/Makefile.am: Disable test initpri3b.
1765         * testsuite/Makefile.in: Regenerate.
1766
1767 2012-03-15  Doug Kwan  <dougkwan@google.com>
1768
1769         * arm.cc (Target_arm::got_section): Make .got section read-only
1770         if -z now is given.
1771
1772 2012-03-15  Ian Lance Taylor  <iant@google.com>
1773
1774         PR gold/13850
1775         * layout.cc (Layout::make_output_section): Correctly mark
1776         SHT_INIT_ARRAY, et. al., as relro.
1777
1778 2012-03-14  Doug Kwan  <dougkwan@google.com>
1779
1780         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
1781         dynamic relocations for protected symbols in shared objects.
1782
1783 2012-03-13  Ian Lance Taylor  <iant@google.com>
1784
1785         * resolve.cc (Symbol_table::resolve): When merging common symbols,
1786         keep the larger alignment.
1787
1788 2012-03-12  Cary Coutant  <ccoutant@google.com>
1789
1790         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
1791         handling of DW_LNE_define_file.
1792
1793 2012-03-12  Cary Coutant  <ccoutant@google.com>
1794
1795         * reduced_debug_output.cc
1796         (Output_reduced_debug_info_section::get_die_end): Add new FORM
1797         codes to switch.
1798
1799 2012-02-29  Cary Coutant  <ccoutant@google.com>
1800
1801         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
1802
1803 2012-02-29  Cary Coutant  <ccoutant@google.com>
1804
1805         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1806         Call Object::decompressed_section_contents.
1807         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
1808         New dtor.
1809         (Sized_dwarf_line_info::buffer_start_): New data member.
1810         * merge.cc (Output_merge_data::do_add_input_section): Call
1811         Object::decompressed_section_contents.
1812         (Output_merge_string::do_add_input_section): Likewise.
1813         * object.cc (need_decompressed_section): New function.
1814         (build_compressed_section_map): Decompress sections needed later.
1815         (Sized_relobj_file::do_decompressed_section_contents): New function.
1816         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1817         * object.h (Object::decompressed_section_contents): New function.
1818         (Object::discard_decompressed_sections): New function.
1819         (Object::do_decompressed_section_contents): New function.
1820         (Object::do_discard_decompressed_sections): New function.
1821         (Compressed_section_info): New type.
1822         (Compressed_section_map): Include decompressed section contents.
1823         (Sized_relobj_file::do_decompressed_section_contents): New function.
1824         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1825
1826 2012-02-16  Cary Coutant  <ccoutant@google.com>
1827
1828         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
1829         * testsuite/Makefile.in: Regenerate.
1830
1831 2012-02-14  Cary Coutant  <ccoutant@google.com>
1832
1833         * options.cc (General_options::finalize): Disallow -pie and -static.
1834
1835 2012-02-03  Doug Kwan  <dougkwan@google.com>
1836
1837         * arm.cc (Arm_relocate_functions::abs8,
1838         Arm_relocate_functions::abs16): Use
1839         Bits::has_signed_unsigned_overflow32.
1840         (Arm_relocate_functions::thm_abs8): Correct range of
1841         overflow check.
1842         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
1843         in assertions.
1844
1845 2012-02-02  Doug Kwan  <dougkwan@google.com>
1846
1847         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
1848         position independent outputs, not just shared objects.
1849
1850 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
1851
1852         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
1853         * configure: Regenerated.
1854
1855 2012-01-27  Ian Lance Taylor  <iant@google.com>
1856
1857         * reloc.h (Bits): New class with static functions, copied from
1858         namespace utils in arm.cc.
1859         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
1860         instead.
1861
1862 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1863
1864         * incremental.cc (write_info_blocks): Correct relocation offset.
1865
1866 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1867
1868         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
1869         (Relocate::tls_gd_to_le): Likewise.
1870
1871 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1872
1873         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
1874
1875 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1876
1877         * configure.ac: Check if -mcmodel=medium works.
1878         * configure: Regenerated.
1879
1880 2012-01-24  Cary Coutant  <ccoutant@google.com>
1881
1882         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
1883         definition and ...
1884         (read_unsigned_LEB_128_x): ... this new function.
1885         (read_signed_LEB_128): Replaced with inline definition and ...
1886         (read_signed_LEB_128_x): ... this new function.
1887         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
1888         (read_unsigned_LEB_128): Add inline definition.
1889         (read_signed_LEB_128_x): New function.
1890         (read_signed_LEB_128): Add inline definition.
1891         * testsuite/Makefile.am (leb128_unittest): New unit test.
1892         * testsuite/Makefile.in: Regenerate.
1893         * testsuite/leb128_unittest.cc: New unit test.
1894
1895 2012-01-23  Ian Lance Taylor  <iant@google.com>
1896
1897         PR gold/13617
1898         * i386.cc (Target_i386::do_code_fill): When using a jmp
1899         instruction, pad with nop instructions.
1900         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1901
1902 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
1903
1904         * x86_64.cc (gc_process_relocs): Add typename on types used in
1905         template.
1906         (scan_relocs): Likewise.
1907         (relocate_section): Likewise.
1908         (apply_relocation): Likewise.
1909
1910 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
1911
1912         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
1913         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
1914         under x32.
1915
1916 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
1917
1918         * x86_64.cc: Initial support for x32.
1919
1920 2012-01-03  Cary Coutant  <ccoutant@google.com>
1921
1922         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
1923         Use abstract base class for GOT.
1924         * gold/output.h (class Output_data_got_base): New abstract base class.
1925         (class Output_data_got): Derive from new base class, adjust ctors.
1926         (Output_data_got::reserve_slot): Make virtual; rename to
1927         do_reserve_slot; Adjust callers.
1928         * gold/target.h (Sized_target::init_got_plt_for_update): Return
1929         pointer to abstract base class.
1930         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
1931
1932 2011-12-18  Ian Lance Taylor  <iant@google.com>
1933
1934         * object.h (Relobj::local_symbol_value): New function.
1935         (Relobj::local_plt_offset): New function.
1936         (Relobj::local_has_got_offset): New function.
1937         (Relobj::local_got_offset): New function.
1938         (Relobj::set_local_got_offset): New function.
1939         (Relobj::do_local_symbol_value): New pure virtual function.
1940         (Relobj::do_local_plt_offset): Likewise.
1941         (Relobj::do_local_has_got_offset): Likewise.
1942         (Relobj::do_local_got_offset): Likewise.
1943         (Relobj::do_set_local_got_offset): Likewise.
1944         (Sized_relobj::do_local_has_got_offset): Rename from
1945         local_has_got_offset.
1946         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
1947         (Sized_relobj::do_set_local_got_offset): Rename from
1948         set_local_got_offset.
1949         (Sized_relobj_file::do_local_plt_offset): Rename from
1950         local_plt_offset.
1951         (Sized_relobj_file::do_local_symbol_value): New function.
1952         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
1953         local_plt_offset.
1954         * output.cc (Output_data_got::Got_entry::write): Change object to
1955         Relobj.  Use local_symbol_value.
1956         (Output_data_got::add_global_with_rel): Change rel_dyn to
1957         Output_data_reloc_generic*.  Use add_global_generic.
1958         (Output_data_got::add_global_with_rela): Remove.  Change all
1959         callers to use add_global_with_rel.
1960         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
1961         Output_data_reloc_generic*.  Use add_global_generic.
1962         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
1963         callers to use add_global_pair_with_rel.
1964         (Output_data_got::add_local): Change object to Relobj*.
1965         (Output_data_got::add_local_plt): Likewise.
1966         (Output_data_got::add_local_with_rel): Change object to Relobj*,
1967         change rel_dyn to Output_data_reloc_generic*.  Use
1968         add_local_generic.
1969         (Output_data_got::add_local_with_rela): Remove.  Change all
1970         callers to use all_local_with_rel.
1971         (Output_data_got::add_local_pair_with_rel): Change object to
1972         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
1973         add_output_section_generic.
1974         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
1975         callers to use add_local_pair_with_rel.
1976         (Output_data_got::reserve_local): Change object to Relobj*.
1977         * output.h: (class Output_data_reloc_generic): Add pure virtual
1978         declarations for add_global_generic, add_local_generic,
1979         add_output_section_generic.
1980         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
1981         functions for Output_data_reloc_generic.  Update declarations for
1982         changes listed in output.cc.
1983         (class Output_data_got): Change template parameter to got_size.
1984         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
1985         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
1986         function.
1987         (Sized_relobj_incr::do_local_plt_offset): New function.
1988         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
1989         add_global_generic.
1990
1991 2011-12-17  Cary Coutant  <ccoutant@google.com>
1992
1993         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
1994         * resolve.cc (Symbol_table::resolve): Likewise.
1995         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
1996         arrays.
1997         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1998
1999 2011-12-16  Ian Lance Taylor  <iant@google.com>
2000
2001         * output.h (Output_data_reloc_generic::add): Only call
2002         add_dynamic_reloc if this is a dynamic reloc section.
2003
2004 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
2005
2006         PR gold/13505
2007         * target-reloc.h (apply_relocation): Replace <64, false> with
2008         <size, big_endian>.
2009
2010 2011-11-25  Nick Clifton  <nickc@redhat.com>
2011
2012         * po/it.po: New Italian translation.
2013
2014 2011-11-17  Sterling Augustine  <saugustine@google.com>
2015
2016         * script.cc (script_include_directive): Implement.
2017         (read_script_file): New local variables name and search_path. Update
2018         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
2019         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
2020         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
2021
2022 2011-11-11  Sterling Augustine  <saugustine@google.com>
2023
2024         * yyscript.y (section_cmd): Add support for INCLUDE directive.
2025         (file_or_sections_cmd): Likewise.
2026
2027 2011-11-11  Doug Kwan  <dougkwan@google.com>
2028
2029         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
2030         if --just-symbols is given.
2031
2032 2011-11-10  Doug Kwan  <dougkwan@google.com>
2033
2034         PR gold/13362
2035         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
2036         when processing data relocs.
2037         * reloc.h (Relocate_functions::rel_unaligned): New method.
2038         (Relocate_functions::pcrel_unaligned): Ditto.
2039         (Relocate_functions::rel32_unaligned): Ditto.
2040         (Relocate_functions::pcrel32_unaligned): Ditto.
2041
2042 2011-11-09  Doug Kwan  <dougkwan@google.com>
2043
2044         PR gold/13362
2045         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
2046         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
2047         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
2048         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
2049         (Relocate_functions::rel_unaligned): New.
2050         (Relocate_functions::rel32_unaligned): New.
2051         * target-reloc.h (relocate_for_relocatable): Add code to handle
2052         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
2053         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
2054         arm_unaligned_reloc_r): New targets.
2055         * testsuite/Makefile.in: Regenerate.
2056         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
2057         linking.
2058
2059 2011-11-02  Ian Lance Taylor  <iant@google.com>
2060
2061         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
2062         NATIVE_LINKER.
2063         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
2064         * options.cc (General_options::finalize): Use library search path
2065         from configure script if specified.  If not native and no sysroot,
2066         only search TOOLLIBDIR.
2067         * options.h (Search_directory::Search_directory): Change name to
2068         const std::string&.
2069         (General_options::add_to_library_path_with_sysroot): Change arg to
2070         const std::string&.
2071         * configure, Makefile.in, config.in: Rebuild.
2072
2073 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2074
2075         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
2076         we are working around the ARM1176 Erratum.
2077         * options.h (General_options::fix_arm1176): Add option.
2078         * testsuite/Makefile.am: Add testcases, and keep current ones
2079         working.
2080         * testsuite/Makefile.in: Regenerate.
2081         * testsuite/arm_fix_1176.s: New file.
2082         * testsuite/arm_fix_1176.sh: Likewise.
2083
2084 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2085
2086         * arm.cc (Target_arm::Target_arm): Remove initialisation of
2087         may_use_blx_.
2088         (Target_arm::may_use_blx): Remove method.
2089         (Target_arm::set_may_use_blx): Likewise.
2090         (Target_arm::may_use_v4t_interworking): New method.
2091         (Target_arm::may_use_v5t_interworking): Likewise.
2092         (Target_arm::may_use_blx_): Remove member variable.
2093         (Arm_relocate_functions::arm_branch_common): Check for v5T
2094         interworking.
2095         (Arm_relocate_functions::thumb_branch_common): Likewise.
2096         (Reloc_stub::stub_type_for_reloc): Likewise.
2097         (Target_arm::do_finalize_sections): Correct interworking checks.
2098         * testsuite/Makefile.am: Add new tests.
2099         * testsuite/Makefile.in: Regenerate.
2100         * testsuite/arm_farcall_arm_arm.s: New test.
2101         * testsuite/arm_farcall_arm_arm.sh: Likewise.
2102         * testsuite/arm_farcall_arm_thumb.s: Likewise.
2103         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
2104         * testsuite/arm_farcall_thumb_arm.s: Likewise.
2105         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
2106         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
2107         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
2108
2109 2011-10-31  Cary Coutant  <ccoutant@google.com>
2110
2111         PR gold/13023
2112         * expression.cc (Expression::eval_with_dot): Add
2113         is_section_dot_assignment parameter.
2114         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
2115         absolute and assigning to dot within a section.
2116         * script-sections.cc
2117         (Output_section_element_assignment::set_section_addresses): Pass
2118         dot_section to set_if_absolute.
2119         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
2120         as is_section_dot_assignment flag to eval_with_dot.
2121         (Output_section_element_dot_assignment::set_section_addresses):
2122         Likewise.
2123         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
2124         parameter.  Also set value if relative to dot_section; set the
2125         symbol's output_section.
2126         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
2127         parameter.  Adjust all callers.
2128         (Expression::eval_maybe_dot): Likewise.
2129         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
2130         Adjust all callers.
2131         * testsuite/script_test_2.t: Test assignment of an absolute value
2132         to dot within an output section element.
2133
2134 2011-10-31  Cary Coutant  <ccoutant@google.com>
2135
2136         * options.h (class General_options): Add --[no-]gnu-unique options.
2137         * symtab.cc (Symbol_table::sized_write_globals): Convert
2138         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
2139
2140 2011-10-31  Cary Coutant  <ccoutant@google.com>
2141
2142         PR gold/13359
2143         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
2144         unnecessary assertion.
2145         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
2146
2147 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
2148
2149         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
2150         gc_mark_symbol.
2151         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
2152         gc_mark_symbol.
2153         Change to just keep the section associated with symbol.
2154         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
2155         they are externally visible and --export-dynamic is turned on.
2156         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
2157
2158 2011-10-19  Ian Lance Taylor  <iant@google.com>
2159
2160         PR gold/13163
2161         * script-sections.cc
2162         (Output_section_element_dot_assignment::needs_output_section): New
2163         function.
2164
2165 2011-10-19  Ian Lance Taylor  <iant@google.com>
2166
2167         PR gold/13204
2168         * layout.cc (Layout::segment_precedes): Don't assert failure if a
2169         --section-start option was seen.
2170         * options.h (General_options::any_section_start): New function.
2171
2172 2011-10-18  David S. Miller  <davem@davemloft.net>
2173
2174         PR binutils/13301
2175         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
2176         member to track relocation locations that have moved during TLS
2177         reloc optimizations.
2178         (Target_sparc::Relocate::Relocate): Initialize to NULL.
2179         (Target_sparc::Relocate::relocate): Adjust view down by 4
2180         bytes if it matches reloc_adjust_addr_.
2181         (Target_sparc::Relocate::relocate_tls): Always move the
2182         __tls_get_addr call delay slot instruction forward 4 bytes when
2183         performing relaxation.
2184
2185 2011-10-18  Cary Coutant  <ccoutant@google.com>
2186
2187         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
2188         (Output_file::map_no_anonymous): Check for non-zero
2189         return code from posix_fallocate.
2190
2191 2011-10-17  Cary Coutant  <ccoutant@google.com>
2192
2193         PR gold/13245
2194         * plugin.cc (is_visible_from_outside): Check for symbols
2195         referenced from dynamic objects.
2196         * resolve.cc (Symbol_table::resolve): Don't count references
2197         from dynamic objects as references from real ELF files.
2198         * testsuite/plugin_test_2.sh: Adjust expected result.
2199
2200 2011-10-17  Cary Coutant  <ccoutant@google.com>
2201
2202         * gold.cc: Include timer.h.
2203         (queue_middle_tasks): Stamp time.
2204         (queue_final_tasks): Likewise.
2205         * main.cc (main): Store timer in parameters.  Print timers
2206         for each pass.
2207         * parameters.cc (Parameters::Parameters): Initialize timer_.
2208         (Parameters::set_timer): New function.
2209         (set_parameters_timer): New function.
2210         * parameters.h (Parameters::set_timer): New function.
2211         (Parameters::timer): New function.
2212         (Parameters::timer_): New data member.
2213         (set_parameters_timer): New function.
2214         * timer.cc (Timer::stamp): New function.
2215         (Timer::get_pass_time): New function.
2216         * timer.h (Timer::stamp): New function.
2217         (Timer::get_pass_time): New function.
2218         (Timer::pass_times_): New data member.
2219
2220 2011-10-17  Cary Coutant  <ccoutant@google.com>
2221
2222         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
2223         task for members of lib groups.
2224
2225 2011-10-17  Cary Coutant  <ccoutant@google.com>
2226
2227         PR gold/13288
2228         * fileread.cc (File_read::find_view): Add assert.
2229         (File_read::make_view): Move bounds check (replace with assert)...
2230         (File_read::find_or_make_view): ... to here.
2231
2232 2011-10-12  Cary Coutant  <ccoutant@google.com>
2233
2234         * output.cc (Output_file::open_base_file): Handle case where
2235         ::read returns less than requested size.
2236
2237 2011-10-10  Cary Coutant  <ccoutant@google.com>
2238
2239         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
2240         Initialize defined_count_.
2241         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
2242         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
2243         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
2244         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
2245         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
2246         * incremental.h (Sized_relobj_incr::defined_count_): New data
2247         member.
2248         (Sized_incr_dynobj::defined_count_): New data member.
2249         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
2250         Return zeroes instead of internal error.
2251
2252 2011-10-10  Cary Coutant  <ccoutant@google.com>
2253
2254         PR gold/13249
2255         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
2256         (Output_reloc::symbol_value): Return PLT offset if flag is set.
2257         * output.h (class Output_reloc): Add use_plt_offset flag.
2258         (Output_reloc::type_): Adjust size of bit field.
2259         (Output_reloc::use_plt_offset_): New bit field.
2260         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
2261         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
2262         flag.  Adjust all callers.
2263         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
2264         creating RELATIVE relocations.
2265
2266 2011-10-10  Nick Clifton  <nickc@redhat.com>
2267
2268         * po/es.po: Updated Spanish translation.
2269         * po/fi.po: Updated Finnish translation.
2270
2271 2011-10-03   Diego Novillo  <dnovillo@google.com>
2272
2273         * options.cc (parse_uint): Fix dereference of RETVAL.
2274
2275 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
2276
2277         * layout.h (section_order_map_): New member.
2278         (get_section_order_map): New member function.
2279         * output.cc (Output_section::add_input_section): Check for patterns
2280         only when --section-ordering-file is specified.
2281         * gold.cc (queue_middle_tasks): Delay updating order of sections till
2282         output_sections have been formed.
2283         * layout.cc (Layout_Layout): Initialize section_order_map_.
2284         * plugin.cc (update_section_order): Store order in order_map. Do not
2285         update the order.
2286         * testsuite/Makefile.am: Add test case for plugin_final_layout.
2287         * testsuite/Makefile.in: Regenerate.
2288         * testsuite/plugin_section_order.c: New file.
2289         * testsuite/plugin_final_layout.cc: New file.
2290         * testsuite/plugin_final_layout.sh: New file.
2291
2292 2011-09-29  Cary Coutant  <ccoutant@google.com>
2293
2294         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2295         Check for NULL.
2296         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
2297         symbols during incremental update.
2298         (Symbol_table::add_from_dynobj): Likewise.
2299
2300 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2301             Ian Lance Taylor  <iant@google.com>
2302
2303         * symtab.cc (Symbol_table::define_special_symbol): Always
2304         canonicalize version string.
2305
2306 2011-09-26  Cary Coutant  <ccoutant@google.com>
2307
2308         * gold.cc (queue_initial_tasks): Move option checks ...
2309         * options.cc (General_options::finalize): ... to here. Disable
2310         some options; make others fatal.
2311
2312 2011-09-26  Cary Coutant  <ccoutant@google.com>
2313
2314         gcc PR lto/47247
2315         * plugin.cc (get_symbols_v2): New function.
2316         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
2317         (is_referenced_from_outside): New function.
2318         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
2319         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
2320         (get_symbols): Pass version parameter.
2321         (get_symbols_v2): New function.
2322         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
2323         parameter.
2324         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
2325         (onload): Add LDPT_GET_SYMBOLS_V2.
2326         (all_symbols_read_hook): Use get_symbols_v2; check for
2327         LDPR_PREVAILING_DEF_IRONLY_EXP.
2328         * testsuite/plugin_test_3.sh: Update expected results.
2329
2330 2011-09-23  Simon Baldwin  <simonb@google.com>
2331
2332         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
2333         configuration options.
2334         * configure: Regenerate.
2335         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
2336         * Makefile.in: Regenerate.
2337         * testsuite/Makefile.in: Regenerate.
2338
2339 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
2340
2341         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
2342
2343 2011-09-19  Cary Coutant  <ccoutant@google.com>
2344
2345         * incremental.cc (can_incremental_update): Fix typo in comment.
2346         * incremental.h (can_incremental_update): Likewise.
2347
2348 2011-09-18  Cary Coutant  <ccoutant@google.com>
2349
2350         * incremental.cc (can_incremental_update): New function.
2351         * incremental.h (can_incremental_update): New function.
2352         * layout.cc (Layout::init_fixed_output_section): Call it.
2353         (Layout::make_output_section): Don't allow patch space in .eh_frame.
2354         * object.cc (Sized_relobj_file::do_layout): Call
2355         can_incremental_update.
2356
2357 2011-09-13  Cary Coutant  <ccoutant@google.com>
2358
2359         * configure.ac: Check for glibc support for gnu_indirect_function
2360         support with static linking, setting automake conditional
2361         IFUNC_STATIC.
2362         * Makefile.in: Regenerate.
2363         * configure: Regenerate.
2364
2365         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
2366         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
2367         for IFUNC_STATIC.
2368         * testsuite/Makefile.in: Regenerate.
2369
2370 2011-09-13  Cary Coutant  <ccoutant@google.com>
2371
2372         * incremental.cc (Sized_relobj_incr::do_layout): Call
2373         report_comdat_group for kept comdat sections.
2374         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
2375         * testsuite/Makefile.in: Regenerate.
2376         * testsuite/incr_comdat_test_1.cc: New source file.
2377         * testsuite/incr_comdat_test_2_v1.cc: New source file.
2378         * testsuite/incr_comdat_test_2_v2.cc: New source file.
2379         * testsuite/incr_comdat_test_2_v3.cc: New source file.
2380
2381 2011-09-13  Ian Lance Taylor  <iant@google.com>
2382
2383         * object.cc (Sized_relobj_file::do_layout): Remove unused local
2384         variable external_symbols_offset.
2385
2386 2011-09-12  Ian Lance Taylor  <iant@google.com>
2387
2388         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
2389         triggered if object has no symbols.
2390
2391 2011-09-09  David S. Miller  <davem@davemloft.net>
2392
2393         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
2394         (Output_fill_debug_line::do_write): Likewise.
2395
2396 2011-08-29  Cary Coutant  <ccoutant@google.com>
2397
2398         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
2399         casts to match formatting specs.
2400         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
2401
2402 2011-08-26  Cary Coutant  <ccoutant@google.com>
2403
2404         * layout.cc (Free_list::allocate): Provide guarantee of minimum
2405         remaining hole size when allocating.
2406         (Layout::make_output_section): Set fill methods for debug sections.
2407         * layout.h (Free_list::Free_list_node): Move from private to
2408         public.
2409         (Free_list::set_min_hole_size): New function.
2410         (Free_list::begin, Free_list::end): New functions.
2411         (Free_list::min_hole_): New data member.
2412         * output.cc: Include dwarf.h.
2413         (Output_fill_debug_info::do_minimum_hole_size): New function.
2414         (Output_fill_debug_info::do_write): New function.
2415         (Output_fill_debug_line::do_minimum_hole_size): New function.
2416         (Output_fill_debug_line::do_write): New function.
2417         (Output_section::Output_section): Initialize new data member.
2418         (Output_section::set_final_data_size): Ensure patch space is larger
2419         than minimum hole size.
2420         (Output_section::do_write): Fill holes in debug sections.
2421         * output.h (Output_fill): New class.
2422         (Output_fill_debug_info): New class.
2423         (Output_fill_debug_line): New class.
2424         (Output_section::set_free_space_fill): New function.
2425         (Output_section::free_space_fill_): New data member.
2426         * testsuite/Makefile.am (incremental_test_3): Add
2427         --incremental-patch option.
2428         (incremental_test_4): Likewise.
2429         (incremental_test_5): Likewise.
2430         (incremental_test_6): Likewise.
2431         (incremental_copy_test): Likewise.
2432         (incremental_common_test_1): Likewise.
2433         * testsuite/Makefile.in: Regenerate.
2434
2435 2011-08-26  Nick Clifton  <nickc@redhat.com>
2436
2437         * po/es.po: Updated Spanish translation.
2438
2439 2011-08-01  Cary Coutant  <ccoutant@google.com>
2440
2441         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
2442         * gold/testsuite/Makefile.in: Regenerate.
2443         * gold/testsuite/justsyms_exec.c: New source file.
2444         * gold/testsuite/justsyms_lib.c: New source file.
2445
2446 2011-08-01  Cary Coutant  <ccoutant@google.com>
2447
2448         * layout.cc (Layout::set_segment_offsets): Don't realign text
2449         segment if -Ttext was specified.
2450         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
2451         file type.
2452         * object.h (Sized_relobj_file::e_type): New function.
2453         (Sized_relobj_file::e_type_): New data member.
2454         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
2455         base address for ET_EXEC files.
2456         * target.cc (Target::do_make_elf_object_implementation): Allow
2457         ET_EXEC files with --just-symbols option.
2458
2459 2011-07-28  Cary Coutant  <ccoutant@google.com>
2460
2461         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
2462         Add thread_number parameter.
2463         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
2464         * workqueue-threads.cc
2465         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
2466         current thread if its thread number is greater than desired thread
2467         count.
2468         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
2469         Add thread_number parameter.
2470         (Workqueue::should_cancel_thread): Likewise.
2471         (Workqueue::find_runnable_or_wait): Pass thread_number to
2472         should_cancel_thread.
2473         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
2474         parameter.
2475
2476 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
2477
2478         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
2479         only after checking if it cannot be forced local.
2480         * symtab.h (is_externally_visible): Check if the symbol is not forced
2481         local.
2482
2483 2011-07-15  Ian Lance Taylor  <iant@google.com>
2484
2485         * options.h (class General_options): Add --print-output-format.
2486         Move -EL next to -EB, for  better --help output.
2487         * target-select.cc: Include <cstdio>, "options.h", and
2488         "parameters.h".
2489         (Target_selector::do_target_bfd_name): New function.
2490         (print_output_format): New function.
2491         * target-select.h (class Target_selector): Update declarations.
2492         (Target_selector::target_bfd_name): New function.
2493         (print_output_format): Declare.
2494         * main.cc: Include "target-select.h".
2495         (main): Handle --print-output-format.
2496         * gold.cc: Include "target-select.h".
2497         (queue_initial_tasks): Handle --print-output-format when there are
2498         no input files.
2499         * parameters.cc (parameters_force_valid_target): Give a better
2500         error message if -EB/-EL does not match target.
2501         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
2502         function.
2503
2504 2011-07-15  Ian Lance Taylor  <iant@google.com>
2505
2506         * i386.cc (class Output_data_plt_i386): Add layout_ field.
2507         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
2508         (Output_data_plt_i386::do_write): Write address of .dynamic
2509         section to first entry in .got.plt section.
2510         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
2511         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2512         Initialize layout_.
2513         (Output_data_plt_x86_64::do_write): Write address of .dynamic
2514         section to first entry in .got.plt section.
2515         * layout.h (Layout::dynamic_section): New function.
2516
2517 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
2518
2519         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
2520         to claim_file call.
2521         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
2522         input_section_position_, and input_section_glob_.
2523         (read_layout_from_file): Call function section_ordering_specified.
2524         * layout.h (is_section_ordering_specified): New function.
2525         (section_ordering_specified): New function.
2526         (section_ordering_specified_): New boolean member.
2527         * main.cc(main): Call load_plugins after layout object is defined.
2528         * output.cc (Output_section::add_input_section): Use
2529         function section_ordering_specified to check if section ordering is
2530         needed.
2531         * output.cc (Output_section::add_relaxed_input_section): Use
2532         function section_ordering_specified to check if section ordering is
2533         needed.
2534         (Output_section::update_section_layout): New function.
2535         (Output_section::sort_attached_input_sections): Check if input section
2536         must be reordered.
2537         * output.h (Output_section::update_section_layout): New function.
2538         * plugin.cc (get_section_count): New function.
2539         (get_section_type): New function.
2540         (get_section_name): New function.
2541         (get_section_contents): New function.
2542         (update_section_order): New function.
2543         (allow_section_ordering): New function.
2544         (Plugin::load): Add the new interfaces to the transfer vector.
2545         (Plugin_manager::load_plugins): New parameter.
2546         (Plugin_manager::all_symbols_read): New parameter.
2547         (Plugin_manager::claim_file): New parameter. Save the elf object for
2548         unclaimed objects.
2549         (Plugin_manager::get_elf_object): New function.
2550         (Plugin_manager::get_view): Change to directly use the bool to check
2551         if get_view is called from claim_file_hook.
2552         * plugin.h (input_objects): New function
2553         (Plugin__manager::load_plugins): New parameter.
2554         (Plugin_manager::claim_file): New parameter.
2555         (Plugin_manager::get_elf_object): New function.
2556         (Plugin_manager::in_claim_file_handler): New function.
2557         (Plugin_manager::in_claim_file_handler_): New member.
2558         (layout): New function.
2559         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
2560         handler with an extra parameter. Make the elf object before calling
2561         claim_file handler.
2562         * testsuite/plugin_test.c (get_section_count): New function pointer.
2563         (get_section_type): New function pointer.
2564         (get_section_name): New function pointer.
2565         (get_section_contents): New function pointer.
2566         (update_section_order): New function pointer.
2567         (allow_section_ordering): New function pointer.
2568         (onload): Check if the new interfaces exist.
2569
2570 2011-07-13  Ian Lance Taylor  <iant@google.com>
2571
2572         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
2573         relro section.
2574         * x86_64.cc (Target_x86_64::got_section): Likewise.
2575         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
2576         (relro_now_test_SOURCES): New variable.
2577         (relro_now_test_DEPENDENCIES): New variable.
2578         (relro_now_test_LDFLAGS): New variable.
2579         (relro_now_test_LDADD): New variable.
2580         (relro_now_test.so): New target.
2581         * testsuite/Makefile.in: Rebuild.
2582
2583 2011-07-12  Ian Lance Taylor  <iant@google.com>
2584
2585         PR gold/12980
2586         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
2587         GLOB_DAT relocation rather than a RELATIVE relocation for a
2588         protected symbol when creating a shared library.
2589         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2590         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
2591         * testsuite/protected_main_1.cc (main): Test that protected
2592         function has same address.
2593
2594 2011-07-11  Ian Lance Taylor  <iant@google.com>
2595
2596         PR gold/12979
2597         * options.h (class General_options): Add -Bgroup.
2598         * options.cc (General_options::finalize): If -Bgroup is set,
2599         default to --unresolved-symbols=report-all.
2600         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
2601         * target-reloc.h (issue_undefined_symbol_error): Handle
2602         --unresolved-symbols=report-all.
2603
2604 2011-07-08  Ian Lance Taylor  <iant@google.com>
2605
2606         PR gold/11985
2607         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
2608         if linker script discards key sections.
2609         (Layout::create_dynamic_symtab): Likewise.
2610         (Layout::assign_local_dynsym_offsets): Likewise.
2611         (Layout::sized_create_version_sections): Likewise.
2612         (Layout::create_interp): Likewise.
2613         (Layout::finish_dynamic_section): Likewise.
2614         (Layout::set_dynamic_symbol_size): Likewise.
2615
2616 2011-07-08  Ian Lance Taylor  <iant@google.com>
2617
2618         PR gold/12386
2619         * options.h (class General_options): Add --unresolved-symbols.
2620         * target-reloc.h (issue_undefined_symbol_error): Check
2621         --unresolved-symbols.  Add comments.
2622
2623 2011-07-08  Ian Lance Taylor  <iant@google.com>
2624
2625         * testsuite/odr_violation2.cc (Ordering::operator()): Make
2626         expression more complex.
2627
2628 2011-07-08  Ian Lance Taylor  <iant@google.com>
2629
2630         PR gold/11317
2631         * target-reloc.h (issue_undefined_symbol_error): New inline
2632         function, broken out of relocate_section.
2633         (relocate_section): Call issue_undefined_symbol_error.
2634         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2635         there is no TLS segment if we are about to issue an undefined
2636         symbol error.
2637         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2638
2639 2011-07-08  Ian Lance Taylor  <iant@google.com>
2640
2641         PR gold/12279
2642         * resolve.cc (Symbol_table::should_override): Add fromtype
2643         parameter.  Change all callers.  Give error when linking together
2644         TLS and non-TLS symbol.
2645         (Symbol_table::should_override_with_special): Add fromtype
2646         parameter.  Change all callers.
2647         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2648         there is no TLS segment if we have reported some errors.
2649         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2650
2651 2011-07-08  Ian Lance Taylor  <iant@google.com>
2652
2653         PR gold/12372
2654         * target.h (Target::plt_address_for_global): New function.
2655         (Target::plt_address_for_local): New function.
2656         (Target::plt_section_for_global): Remove.
2657         (Target::plt_section_for_local): Remove.
2658         (Target::do_plt_address_for_global): New virtual function.
2659         (Target::do_plt_address_for_local): New virtual function.
2660         (Target::do_plt_section_for_global): Remove.
2661         (Target::do_plt_section_for_local): Remove.
2662         (Target::register_global_plt_entry): Add Symbol_table and Layout
2663         parameters.
2664         * output.cc (Output_data_got::Got_entry::write): Use
2665         plt_address_for_global and plt_address_for_local.
2666         * layout.cc (Layout::add_target_dynamic_tags): Use size and
2667         address of output section.
2668         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
2669         got_irelative_, and irelative_count_ fields.  Update
2670         declarations.
2671         (Output_data_plt_i386::has_irelative_section): New function.
2672         (Output_data_plt_i386::entry_count): Add irelative_count_.
2673         (Output_data_plt_i386::set_final_data_size): Likewise.
2674         (class Target_i386): Add got_irelative_ and rel_irelative_
2675         fields.  Update declarations.
2676         (Target_i386::Target_i386): Initialize new fields.
2677         (Target_i386::do_plt_address_for_global): New function replacing
2678         do_plt_section_for_global.
2679         (Target_i386::do_plt_address_for_local): New function replacing
2680         do_plt_section_for_local.
2681         (Target_i386::got_section): Create got_irelative_.
2682         (Target_i386::rel_irelative_section): New function.
2683         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
2684         fields.  Don't define __rel_iplt_{start,end}.
2685         (Output_data_plt_i386::add_entry): Add symtab and layout
2686         parameters.  Change all callers.  Use different PLT and GOT for
2687         IFUNC symbols.
2688         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
2689         layout parameters.  Change all callers.  Use different PLT and
2690         GOT.
2691         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
2692         (Output_data_plt_i386::rel_irelative): New function.
2693         (Output_data_plt_i386::address_for_global): New function.
2694         (Output_data_plt_i386::address_for_local): New function.
2695         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
2696         IRELATIVE GOT when changing IFUNC GOT entries.
2697         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
2698         reloc.
2699         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
2700         if we didn't create an IRELATIVE GOT.
2701         (Target_i386::Relocate::relocate): Use plt_address_for_global and
2702         plt_address_for_local.
2703         (Target_i386::do_dynsym_value): Use plt_address_for_global.
2704         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
2705         got_irelative_, and irelative_count_ fields.  Update
2706         declarations.
2707         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2708         Initialize new fields.  Remove symtab parameter.  Change all
2709         callers.
2710         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
2711         irelative_count_.
2712         (Output_data_plt_x86_64::has_irelative_section): New function.
2713         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
2714         (class Target_x86_64): Add got_irelative_ and rel_irelative_
2715         fields.  Update declarations.
2716         (Target_x86_64::Target_x86_64): Initialize new fields.
2717         (Target_x86_64::do_plt_address_for_global): New function replacing
2718         do_plt_section_for_global.
2719         (Target_x86_64::do_plt_address_for_local): New function replacing
2720         do_plt_section_for_local.
2721         (Target_x86_64::got_section): Create got_irelative_.
2722         (Target_x86_64::rela_irelative_section): New function.
2723         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
2724         all callers.  Don't create __rel_iplt_{start,end}.
2725         (Output_data_plt_x86_64::add_entry): Add symtab and layout
2726         parameters.  Change all callers.  Use different PLT and GOT for
2727         IFUNC symbols.
2728         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
2729         layout parameters.  Change all callers.  Use different PLT and
2730         GOT.
2731         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
2732         parameters.  Change all callers.  Use different PLT and GOT for
2733         IFUNC symbols.
2734         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
2735         (Output_data_plt_x86_64::rela_irelative): New function.
2736         (Output_data_plt_x86_64::address_for_global): New function.
2737         (Output_data_plt_x86_64::address_for_local): New function.
2738         (Output_data_plt_x86_64::set_final_data_size): Likewise.
2739         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
2740         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
2741         (Target_x86_64::register_global_plt_entry): Add symtab and layout
2742         parameters.
2743         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
2744         reloc.
2745         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
2746         symbols if we didn't create an IRELATIVE GOT.
2747         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
2748         plt_address_for_local.
2749         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
2750         * testsuite/ifuncvar1.c: New test file.
2751         * testsuite/ifuncvar2.c: New test file.
2752         * testsuite/ifuncvar3.c: New test file.
2753         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
2754         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
2755         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
2756         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
2757         * testsuite/Makefile.in: Rebuild.
2758
2759 2011-07-07  Cary Coutant  <ccoutant@google.com>
2760
2761         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
2762         (two_file_test_1_ndebug.o): Likewise.
2763         (two_file_test_1b_ndebug.o): Likewise.
2764         (two_file_test_2_ndebug.o): Likewise.
2765         (two_file_test_main_ndebug.o): Likewise.
2766         (incremental_test_2): Link with no-debug versions.
2767
2768 2011-07-06  Cary Coutant  <ccoutant@google.com>
2769
2770         * gold/incremental.cc
2771         (Output_section_incremental_inputs::write_info_blocks): Check for
2772         hidden and internal symbols.
2773
2774 2011-07-06  Cary Coutant  <ccoutant@google.com>
2775
2776         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
2777         Check disposition for startup file.
2778         (Incremental_inputs::report_command_line): Ignore
2779         --incremental-startup-unchanged option.
2780         * options.cc (General_options::parse_incremental_startup_unchanged):
2781         New function.
2782         (General_options::General_options): Initialize new data member.
2783         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
2784         (General_options): Add --incremental-startup-unchanged option.
2785         (General_options::incremental_startup_disposition): New function.
2786         (General_options::incremental_startup_disposition_): New data member.
2787
2788 2011-07-06  Cary Coutant  <ccoutant@google.com>
2789
2790         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
2791         input file index to Script_info ctor.
2792         (Sized_incremental_binary::do_file_has_changed): Find the
2793         command-line argument for files named in scripts.
2794         * incremental.h (Script_info::Script_info): New ctor
2795         with input file index.
2796         (Script_info::input_file_index): New function.
2797         (Script_info::input_file_index_): New data member.
2798         (Incremental_binary::get_library): Add const.
2799         (Incremental_binary::get_script_info): Add const.
2800         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
2801         * testsuite/Makefile.am (incremental_test_5): New test case.
2802         (incremental_test_6): New test case.
2803         * testsuite/Makefile.in: Regenerate.
2804
2805 2011-07-06  Cary Coutant  <ccoutant@google.com>
2806
2807         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
2808         debug output when command lines differ.
2809
2810 2011-07-06  Cary Coutant  <ccoutant@google.com>
2811
2812         * incremental.cc (Incremental_inputs::report_command_line): Ignore
2813         --incremental-patch option.
2814         * layout.cc (Free_list::allocate): Extend allocation beyond original
2815         end if enabled.
2816         (Layout::make_output_section): Mark sections that should get
2817         patch space.
2818         * options.cc (parse_percent): New function.
2819         * options.h (parse_percent): New function.
2820         (DEFINE_percent): New macro.
2821         (General_options): Add --incremental-patch option.
2822         * output.cc (Output_section::Output_section): Initialize new data
2823         members.
2824         (Output_section::add_input_section): Print section name when out
2825         of patch space.
2826         (Output_section::add_output_section_data): Likewise.
2827         (Output_section::set_final_data_size): Add patch space when
2828         doing --incremental-full.
2829         (Output_section::do_reset_address_and_file_offset): Remove patch
2830         space.
2831         (Output_segment::set_section_list_addresses): Print debug output
2832         only if --incremental-update.
2833         * output.h (Output_section::set_is_patch_space_allowed): New function.
2834         (Output_section::is_patch_space_allowed_): New data member.
2835         (Output_section::patch_space_): New data member.
2836         * parameters.cc (Parameters::incremental_full): New function.
2837         * parameters.h (Parameters::incremental_full): New function
2838         * testsuite/Makefile.am (incremental_test_2): Add test for
2839         --incremental-patch option.
2840         * testsuite/Makefile.in: Regenerate.
2841         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
2842         (t18): Remove function body.
2843
2844 2011-07-05  Doug Kwan  <dougkwan@google.com>
2845
2846         PR gold/12771
2847         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
2848         Arm_Address type for relocation result.
2849         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
2850         overflow check.
2851         (Arm_relocate_functions::abs32): Use unaligned access.
2852         (Arm_relocate_functions::rel32): Ditto.
2853         (Arm_relocate_functions::prel31): Ditto.
2854         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
2855         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
2856         static data relocations.
2857         * testsuite/Makefile.in: Regnerate.
2858         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
2859
2860 2011-07-05  Ian Lance Taylor  <iant@google.com>
2861
2862         PR gold/12392
2863         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
2864         symbols if necessary.
2865         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2866
2867 2011-07-05  Ian Lance Taylor  <iant@google.com>
2868
2869         PR gold/12952
2870         * resolve.cc (Symbol::override_base_with_special): Simply override
2871         version with special symbol version, ignoring previous version.
2872
2873 2011-07-05  Ian Lance Taylor  <iant@google.com>
2874
2875         * object.cc (Sized_relobj_file::include_section_group): Add
2876         information to comment about signature location.
2877
2878 2011-07-02  Ian Lance Taylor  <iant@google.com>
2879
2880         PR gold/12957
2881         * options.h (class General_options): Add -f and -F.
2882         * options.cc (General_options::finalize): Fatal error if -f/-F
2883         are used without -shared.
2884         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
2885
2886 2011-07-02  Ian Lance Taylor  <iant@google.com>
2887
2888         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
2889
2890 2011-07-01  Ian Lance Taylor  <iant@google.com>
2891
2892         PR gold/12525
2893         PR gold/12952
2894         * resolve.cc (Symbol::override_base_with_special): Don't override
2895         the version if the overriding symbol has a different name.
2896         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
2897         all callers.  If we give an error about an undefined version,
2898         define the base version if necessary.
2899         * dynobj.h (class Versions): Update declaration.
2900         * testsuite/weak_alias_test_5.cc: New file.
2901         * testsuite/weak_alias_test.script: New file.
2902         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
2903         and versioned_alias have the right value, and call t2.
2904         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
2905         weak_alias_test_5.so.
2906         (weak_alias_test_LDADD): Likewise.
2907         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
2908         * testsuite/Makefile.in: Rebuild.
2909
2910 2011-07-01  Ian Lance Taylor  <iant@google.com>
2911
2912         PR gold/12525
2913         * options.h (class General_options): Support -z notext.
2914         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
2915         -Wl,-z,notext.
2916         (two_file_shared_nonpic.so): Likewise.
2917         (two_file_shared_mixed.so): Likewise.
2918         (two_file_shared_mixed_1.so): Likewise.
2919         (weak_undef_lib_nonpic.so): Likewise.
2920         (alt/weak_undef_lib_nonpic.so): Likewise.
2921         (tls_test_shared_nonpic.so): Likewise.
2922         * testsuite/Makefile.in: Rebuild.
2923
2924 2011-07-01  Ian Lance Taylor  <iant@google.com>
2925
2926         PR gold/12525
2927         * configure.ac: Test whether static linking works, setting
2928         the automake conditional HAVE_STATIC.
2929         * testsuite/Makefile.am: Disable tests using -static if
2930         HAVE_STATIC is not true.
2931         * configure, testsuite/Makefile.in: Rebuild.
2932
2933 2011-07-01  Ian Lance Taylor  <iant@google.com>
2934
2935         PR gold/12525
2936         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
2937         Assert if we see DW_EH_PE_indirect.
2938         * target.h (Target::ehframe_datarel_base): New function.
2939         (Target::do_ehframe_datarel_base): New target function.
2940         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
2941         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
2942         function.
2943
2944 2011-07-01  Ian Lance Taylor  <iant@google.com>
2945
2946         PR gold/12571
2947         * options.h (class General_options): Add
2948         --ld-generated-unwind-info.
2949         * ehframe.cc (Fde::write): Add address parameter.  Change all
2950         callers.  If associated with PLT, fill in address and size.
2951         (Cie::set_output_offset): Only add merge mapping if there is an
2952         object.
2953         (Cie::write): Add address parameter.  Change all callers.
2954         (Eh_frame::add_ehframe_for_plt): New function.
2955         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
2956         input_offset_ fields into union u_, with new plt field.
2957         (Fde::Fde): Adjust for new union field.
2958         (Fde::Fde) [Output_data version]: New constructor.
2959         (Fde::add_mapping): Only add merge mapping if there is an object.
2960         (class Cie): Update declarations.
2961         (class Eh_frame): Declare add_ehframe_for_plt.
2962         * layout.cc (Layout::layout_eh_frame): Break out code into
2963         make_eh_frame_section, and call it.
2964         (Layout::make_eh_frame_section): New function.
2965         (Layout::add_eh_frame_for_plt): New function.
2966         * layout.h (class Layout): Update declarations.
2967         * merge.cc (Merge_map::add_mapping): Add assertion.
2968         * i386.cc: Include "dwarf.h".
2969         (class Output_data_plt_i386): Make first_plt_entry,
2970         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
2971         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2972         and plt_eh_frame_fde.
2973         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
2974         boundary.  Call add_eh_frame_for_plt if appropriate.
2975         * x86_64.cc: Include "dwarf.h".
2976         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
2977         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
2978         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
2979         and plt_eh_frame_fde.
2980         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
2981         appropriate.
2982
2983 2011-06-29  Ian Lance Taylor  <iant@google.com>
2984
2985         PR gold/12629
2986         * object.cc (Sized_relobj_file::layout_section): Change shdr
2987         parameter to be const.
2988         (Sized_relobj_file::layout_eh_frame_section): New function, broken
2989         out of do_layout.
2990         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
2991         appropriate.  Call layout_eh_frame_section.
2992         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
2993         sections.
2994         * object.h (class Sized_relobj_file): Update declarations.
2995
2996 2011-06-29  Ian Lance Taylor  <iant@google.com>
2997
2998         PR gold/12652
2999         * script.cc (Token::integer_value): Accept trailing M/m/K/k
3000         modifier.
3001         (Lex::gather_token): Accept trailing M/m/K/k for integers.
3002
3003 2011-06-29  Ian Lance Taylor  <iant@google.com>
3004
3005         PR gold/12675
3006         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
3007         SHT_X86_64_UNWIND.
3008         * layout.cc (Layout::layout_eh_frame): Likewise.
3009
3010 2011-06-29  Ian Lance Taylor  <iant@google.com>
3011
3012         PR gold/12695
3013         * layout.cc (Layout::symtab_section_shndx): New function.
3014         * layout.h (class Layout): Declare symtab_section_shndx.
3015         * output.cc (Output_section::write_header): Call it.
3016
3017 2011-06-29  Ian Lance Taylor  <iant@google.com>
3018
3019         PR gold/12818
3020         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
3021         symbols which are not used in a relocation.
3022
3023 2011-06-28  Ian Lance Taylor  <iant@google.com>
3024
3025         PR gold/12898
3026         * layout.cc (Layout::segment_precedes): Don't crash if a linker
3027         script create indistinguishable segments.
3028         (Layout::set_segment_offsets): Use stable_sort when sorting
3029         segments.  Pass this to Compare_segments constructor.
3030         * layout.h (class Layout): Make segment_precedes non-static.
3031         (class Compare_segments): Change from struct to class.  Add
3032         layout_ field.  Add constructor.
3033         * script-sections.cc
3034         (Script_sections::attach_sections_using_phdrs_clause): Rename
3035         local orphan to is_orphan.  Don't report failure to put empty
3036         section in segment.  On attachment failure, report name of
3037         section, and attach to first PT_LOAD segment.
3038
3039 2011-06-28  Ian Lance Taylor  <iant@google.com>
3040
3041         PR gold/12934
3042         * target-select.cc (Target_selector::Target_selector): Add
3043         emulation parameter.  Change all callers.
3044         (select_target_by_bfd_name): Rename from select_target_by_name.
3045         Change all callers.
3046         (select_target_by_emulation): New function.
3047         (supported_emulation_names): New function.
3048         * target-select.h (class Target_selector): Add emulation_ field.
3049         Update declarations.
3050         (Target_selector::recognize_by_bfd_name): Rename from
3051         recognize_by_name.  Change all callers.
3052         (Target_selector::supported_bfd_names): Rename from
3053         supported_names.  Change all callers.
3054         (Target_selector::recognize_by_emulation): New function.
3055         (Target_selector::supported_emulations): New function.
3056         (Target_selector::emulation): New function.
3057         (Target_selector::do_recognize_by_bfd_name): Rename from
3058         do_recognize_by_name.  Change all callers.
3059         (Target_selector::do_supported_bfd_names): Rename from
3060         do_supported_names.  Change all callers.
3061         (Target_selector::do_recognize_by_emulation): New function.
3062         (Target_selector::do_supported_emulations): New function.
3063         (select_target_by_bfd_name): Change name in declaration.
3064         (select_target_by_emulation): Declare.
3065         (supported_emulation_names): Declare.
3066         * parameters.cc (parameters_force_valid_target): Try to find
3067         target based on emulation from -m option.
3068         * options.h (class General_options): Change doc string for -m.
3069         * options.cc (help): Print emulations.
3070         (General_options::parse_V): Likewise.
3071         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
3072         Add emulation parameter.  Change all callers.
3073
3074 2011-06-28  Ian Lance Taylor  <iant@google.com>
3075
3076         * target.h (class Target): Add osabi_ field.
3077         (Target::osabi): New function.
3078         (Target::set_osabi): New function.
3079         (Target::Target): Initialize osabi_.
3080         (Target::do_adjust_elf_header): Make pure virtual.
3081         (Sized_target::do_adjust_elf_header): Declare.
3082         * target.cc (Sized_target::do_adjust_elf_header): New function.
3083         (class Sized_target): Instantiate all versions.
3084         * freebsd.h (class Target_freebsd): Remove.
3085         (Target_selector_freebsd::do_recognize): Call set_osabi on
3086         Target.
3087         (Target_selector_freebsd::do_recognize_by_name): Likewise.
3088         (Target_selector_freebsd::set_osabi): Remove.
3089         * i386.cc (class Target_i386): Inherit from Sized_target rather
3090         than Target_freebsd.
3091         * x86_64.cc (class Target_x86_64): Likewise.
3092
3093 2011-06-28  Ian Lance Taylor  <iant@google.com>
3094
3095         * target.h (Target::can_check_for_function_pointers): Rewrite.
3096         Make non-virtual.
3097         (Target::can_icf_inline_merge_sections): Likewise.
3098         (Target::section_may_have_icf_unsafe_poineters): Likewise.
3099         (Target::Target_info): Add can_icf_inline_merge_sections field.
3100         (Target::do_can_check_for_function_pointers): New virtual
3101         function.
3102         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
3103         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
3104         from can_check_for_function_pointers, move in file.
3105         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
3106         section_may_have_icf_unsafe_poineters, move in file.
3107         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
3108         * i386.cc (Target_i386::do_can_check_for_function_pointers):
3109         Rename from can_check_for_function_pointers, move in file.
3110         (Target_i386::can_icf_inline_merge_sections): Remove.
3111         (Target_i386::i386_info): Initialize
3112         can_icf_inline_merge_sections.
3113         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
3114         Initialize can_icf_inline_merge_sections.
3115         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
3116         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
3117         Rename from can_check_for_function_pointers, move in file.
3118         (Target_x86_64::can_icf_inline_merge_sections): Remove.
3119         (Target_x86_64::x86_64_info): Initialize
3120         can_icf_inline_merge_sections.
3121         * testsuite/testfile.cc (Target_test::test_target_info):
3122         Likewise.
3123         * icf.cc (get_section_contents): Correct formatting.
3124
3125 2011-06-27  Ian Lance Taylor  <iant@google.com>
3126
3127         * symtab.cc (Symbol::versioned_name): New function.
3128         (Symbol_table::add_to_final_symtab): Use versioned_name when
3129         appropriate.
3130         (Symbol_table::sized_write_symbol): Likewise.
3131         * symtab.h (class Symbol): Declare versioned_name.
3132         * stringpool.h (class Stringpool_template): Add variant of add
3133         which takes a std::basic_string.
3134         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
3135         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
3136         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
3137         (ver_test_12.o): New target.
3138         * testsuite/Makefile.in: Rebuild.
3139
3140 2011-06-27  Doug Kwan  <dougkwan@google.com>
3141
3142         * arm.cc (Arm_relocate_functions::thm_jump8,
3143         Arm_relocate_functions::thm_jump11): Use a wider signed
3144         type to compute offset.
3145         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
3146         arm_thm_jump8.
3147         * testsuite/Makefile.in: Regenerate.
3148         * testsuite/arm_branch_in_range.sh: Check test results of
3149         arm_thm_jump11 and arm_thm_jump8.
3150         * testsuite/arm_thm_jump11.s: New test source file.
3151         * testsuite/arm_thm_jump11.t: New linker script.
3152         * testsuite/arm_thm_jump8.s: New test source file.
3153         * testsuite/arm_thm_jump8.t: New linker script.
3154
3155 2011-06-24  Ian Lance Taylor  <iant@google.com>
3156
3157         * layout.cc: Include "object.h".
3158         (ctors_sections_in_init_array): New static variable.
3159         (Layout::is_ctors_in_init_array): New function.
3160         (Layout::layout): Add entry to ctors_sections_in_init_array if
3161         appropriate.
3162         * layout.h (class Layout): Declare is_ctors_in_init_array.
3163         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
3164         is_ctors_reverse_view is set.
3165         (Sized_relobj_file::write_sections): Add layout parameter.  Change
3166         all callers.  Set is_ctors_reverse_view field of View_size.
3167         (Sized_relobj_file::reverse_words): New function.
3168         * object.h (Sized_relobj_file::View_size): Add
3169         is_ctors_reverse_view field.
3170         (class Sized_relobj_file): Update declarations.
3171         * testsuite/initpri3.c: New test.
3172         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
3173         initpri3b.
3174         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
3175         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
3176         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
3177         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
3178         * testsuite/Makefile.in: Rebuild.
3179
3180 2011-06-24  Cary Coutant  <ccoutant@google.com>
3181
3182         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
3183         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
3184         (debug_msg_cdebug.err): New targets.
3185         * testsuite/Makefile.in: Regenerate.
3186         * testsuite/debug_msg.sh: Check output of link with compressed debug.
3187         Fix checks for link with shared library.
3188
3189 2011-06-24  Doug Kwan  <dougkwan@google.com>
3190
3191         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
3192         skip empty text sections.
3193         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
3194
3195 2011-06-22  Ian Lance Taylor  <iant@google.com>
3196
3197         PR gold/12910
3198         * options.h (class General_options): Add --ctors-in-init-array.
3199         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
3200         friends as SHT_PROGBITS for merging sections.
3201         (Layout::layout): Remove special handling of .init_array and
3202         friends.  Don't sort if doing relocatable link.  Sort for .ctors
3203         and .dtors if ctors_in_init_array.
3204         (Layout::make_output_section): Force correct section types for
3205         .init_array and friends.  Don't sort if doing relocatable link,
3206         Don't sort .ctors and .dtors if ctors_in_init_array.
3207         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
3208         (Layout::output_section_name): Add relobj parameter.  Change all
3209         callers.  Handle .ctors. and .dtors. in code rather than table.
3210         Handle .ctors and .dtors if ctors_in_init_array.
3211         (Layout::match_file_name): New function, moved from output.cc.
3212         * layout.h (class Layout): Update declarations.
3213         * output.cc: Include "layout.h".
3214         (Input_section_sort_entry::get_priority): New function.
3215         (Input_section_sort_entry::match_file_name): Just call
3216         Layout::match_file_name.
3217         (Output_section::Input_section_sort_init_fini_compare::operator()):
3218         Handle .ctors and .dtors.  Sort by explicit priority rather than
3219         by name.
3220         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
3221         * testsuite/initpri2.c: New test.
3222         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
3223         (check_PROGRAMS): Add initpri2.
3224         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
3225         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
3226         * configure, testsuite/Makefile.in: Rebuild.
3227
3228 2011-06-19  Ian Lance Taylor  <iant@google.com>
3229
3230         PR gold/12880
3231         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
3232         .interp section to a PT_INTERP segment even if we have seen a
3233         --dynamic-linker option.  Don't do it if we have seen a PHDRS
3234         clause in a linker script.
3235         (Layout::finalize): Don't create a .interp section if we've
3236         already create a PT_INTERP segment.
3237         (Layout::create_interp): Always call choose_output_section (revert
3238         patch of 2011-06-17).  Don't create PT_INTERP segment.
3239         * script-sections.cc
3240         (Script_sections::create_note_and_tls_segments): Add a .interp
3241         section to a PT_INTERP segment even if we have seen a
3242         --dynamic-linker option.
3243
3244 2011-06-18  Ian Lance Taylor  <iant@google.com>
3245
3246         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
3247         merely because a non-PT_LOAD segment has a dynamic reloc.
3248
3249 2011-06-18  Ian Lance Taylor  <iant@google.com>
3250
3251         * layout.cc (Layout::finish_dynamic_section): Don't create
3252         DT_FLAGS entry if not needed.
3253
3254 2011-06-18  Ian Lance Taylor  <iant@google.com>
3255
3256         PR gold/12745
3257         * layout.cc (Layout::layout_eh_frame): Correct handling of
3258         writable .eh_frame section.
3259
3260 2011-06-17  Ian Lance Taylor  <iant@google.com>
3261
3262         PR gold/12893
3263         * resolve.cc (Symbol_table::resolve): Don't give an error if a
3264         symbol is redefined with the exact same object and value.
3265
3266 2011-06-17  Ian Lance Taylor  <iant@google.com>
3267
3268         PR gold/12880
3269         * layout.h (class Layout): Add interp_segment_ field.
3270         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
3271         (Layout::attach_allocated_section_to_segment): If making shared
3272         library, put .interp section in PT_INTERP segment.
3273         (Layout::finalize): Also call create_interp if -dynamic-linker
3274         option was used.
3275         (Layout::create_interp): Assert that there is no PT_INTERP
3276         segment.  If not using a SECTIONS clause, use make_output_section.
3277         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
3278         * script-sections.cc
3279         (Script_sections::create_note_and_tls_segments): If making shared
3280         library, put .interp section in PT_INTERP segment.
3281
3282 2011-06-17  Ian Lance Taylor  <iant@google.com>
3283
3284         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
3285         when making a shared library.
3286
3287 2011-06-17  Ian Lance Taylor  <iant@google.com>
3288
3289         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
3290         parameter.  Change all callers.  Don't issue warning about PC32
3291         against locally defined symbol.
3292
3293 2011-06-16  Ian Lance Taylor  <iant@google.com>
3294
3295         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
3296         occurs in same object.
3297
3298 2011-06-14  Alan Modra  <amodra@gmail.com>
3299
3300         * po/POTFILES.in: Regenerate.
3301
3302 2011-06-09  Ian Lance Taylor  <iant@google.com>
3303
3304         * script-sections.cc
3305         (Orphan_output_section::set_section_addresses): For a relocatable
3306         link set address to 0.
3307
3308 2011-06-09  Cary Coutant  <ccoutant@google.com>
3309
3310         PR gold/12804
3311         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
3312         used with --compress-debug-sections.
3313         * gold/object.cc (Sized_relobj_file::do_layout): Report
3314         uncompressed size of compressed input sections.
3315
3316 2011-06-08  Cary Coutant  <ccoutant@google.com>
3317
3318         PR gold/12804
3319         * testsuite/two_file_test_2_v1.cc: Change initialization of
3320         v2 to keep it in .data.
3321
3322 2011-06-07  Cary Coutant  <ccoutant@google.com>
3323
3324         * common.cc (Symbol_table::do_allocate_commons_list): Call
3325         gold_fallback.
3326         * errors.cc (Errors::fatal): Adjust call to gold_exit.
3327         (Errors::fallback): New function.
3328         (gold_fallback): New function.
3329         * errors.h (Errors::fallback): New function.
3330         * gold.cc (gold_exit): Change status parameter to enum; adjust
3331         all callers.
3332         (queue_initial_tasks): Call gold_fallback.
3333         * gold.h: Include cstdlib.
3334         (Exit_status): New enum type.
3335         (gold_exit): Change status parameter to enum.
3336         (gold_fallback): New function.
3337         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
3338         (Layout::create_symtab_sections): Likewise.
3339         (Layout::create_shdrs): Likewise.
3340         * main.cc (main): Adjust call to gold_exit.
3341         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
3342         (Output_data_got::add_got_entry_pair): Likewise.
3343         (Output_section::add_input_section): Likewise.
3344         (Output_section::add_output_section_data): Likewise.
3345         (Output_segment::set_section_list_addresses): Likewise.
3346         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
3347
3348 2011-06-07  Cary Coutant  <ccoutant@google.com>
3349
3350         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
3351         for incremental links.
3352         * output.cc (Output_segment::set_section_list_addresses): Remove
3353         FIXME and test for TLS or BSS.
3354
3355 2011-06-07  Cary Coutant  <ccoutant@google.com>
3356
3357         * testsuite/Makefile.am: Add incremental_copy_test,
3358         incremental_common_test_1.
3359         * testsuite/Makefile.in: Regenerate.
3360         * testsuite/common_test_1_v1.c: New source file.
3361         * testsuite/common_test_1_v2.c: New source file.
3362         * testsuite/copy_test_v1.cc: New source file.
3363
3364 2011-06-07  Cary Coutant  <ccoutant@google.com>
3365
3366         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
3367         update, allocate common from bss section's free list.
3368         * incremental-dump.cc (dump_incremental_inputs): Print flag for
3369         linker-defined symbols.
3370         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
3371         Skip GOT and PLT entries that are no longer referenced.
3372         (Output_section_incremental_inputs::write_info_blocks): Mark
3373         linker-defined symbols.
3374         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
3375         * output.cc (Output_section::allocate): New function.
3376         * output.h (Output_section::allocate): New function.
3377         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
3378         linker-defined symbols.
3379         (Symbol::override_base_with_special): Copy is_predefined_ flag.
3380         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
3381         (Symbol::init_base_output_data): Likewise.
3382         (Symbol::init_base_output_segment): Likewise.
3383         (Symbol::init_base_constant): Likewise.
3384         (Sized_symbol::init_output_data): Likewise.
3385         (Sized_symbol::init_output_segment): Likewise.
3386         (Sized_symbol::init_constant): Likewise.
3387         (Symbol_table::do_define_in_output_data): Likewise.
3388         (Symbol_table::do_define_in_output_segment): Likewise.
3389         (Symbol_table::do_define_as_constant): Likewise.
3390         * symtab.h (Symbol::is_predefined): New function.
3391         (Symbol::init_base_output_data): Add is_predefined parameter.
3392         (Symbol::init_base_output_segment): Likewise.
3393         (Symbol::init_base_constant): Likewise.
3394         (Symbol::is_predefined_): New data member.
3395         (Sized_symbol::init_output_data): Add is_predefined parameter.
3396         (Sized_symbol::init_output_segment): Likewise.
3397         (Sized_symbol::init_constant): Likewise.
3398         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
3399
3400 2011-06-07  Cary Coutant  <ccoutant@google.com>
3401
3402         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
3403         instead of emit_copy_reloc.
3404         (Copy_relocs::emit_copy_reloc): Refactor.
3405         (Copy_relocs::make_copy_reloc): New function.
3406         (Copy_relocs::add_copy_reloc): Remove.
3407         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
3408         section.
3409         (Copy_relocs::make_copy_reloc): New function.
3410         (Copy_relocs::add_copy_reloc): Remove.
3411         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
3412         unchanged input files.
3413         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
3414         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
3415         Reserve BSS space for COPY relocations.
3416         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3417         (Output_section_incremental_inputs::write_info_blocks): Record
3418         whether a symbol is copied from a shared object.
3419         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
3420         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
3421         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
3422         (Incremental_input_entry_reader::get_output_symbol_index): Add
3423         is_copy parameter.
3424         (Incremental_binary::emit_copy_relocs): New function.
3425         (Incremental_binary::do_emit_copy_relocs): New function.
3426         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3427         new data member.
3428         (Sized_incremental_binary::add_copy_reloc): New function.
3429         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3430         (Sized_incremental_binary::Copy_reloc): New struct.
3431         (Sized_incremental_binary::Copy_relocs): New typedef.
3432         (Sized_incremental_binary::copy_relocs_): New data member.
3433         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
3434         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
3435         * target.h (Sized_target::emit_copy_reloc): New function.
3436         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
3437
3438 2011-06-02  Cary Coutant  <ccoutant@google.com>
3439
3440         PR gold/12163
3441         * gold/archive.cc (Archive::Archive): Initialize new data member.
3442         (Archive::include_all_members): Return if archive has already been
3443         included.
3444         * gold/archive.h (Archive::include_all_members_): New data member.
3445
3446 2011-06-02  Nick Clifton  <nickc@redhat.com>
3447
3448         * dynobj.h: Fix spelling mistake in comment.
3449         * output.cc: Likewise.
3450
3451 2011-05-31  Doug Kwan  <dougkwan@google.com>
3452             Asier Llano
3453
3454         PR gold/12826
3455         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
3456         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
3457         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
3458         redundant arm_exidx_test.so.
3459         * testsuite/Makefile.in: Regenerate.
3460         (check_SCRIPTS): Add pr12826.sh
3461         (check_DATA): Add pr12826.stdout
3462         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
3463         * testsuite/pr12826.sh: New file.
3464         * testsuite/pr12826_1.s: Ditto.
3465         * testsuite/pr12826_1.s: Ditto.
3466
3467 2011-05-30  Ian Lance Taylor  <iant@google.com>
3468
3469         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
3470         sections.
3471
3472 2011-05-29  Ian Lance Taylor  <iant@google.com>
3473
3474         PR gold/12804
3475         * testsuite/Makefile.am: Use different file name for two_file_test
3476         temporary file for each incremental test.
3477         * testsuite/Makefile.in: Rebuild.
3478
3479 2011-05-29  Ian Lance Taylor  <iant@google.com>
3480
3481         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
3482         binary input file is empty.
3483
3484 2011-05-27  Ian Lance Taylor  <iant@google.com>
3485
3486         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
3487         (ver_test_9.so): Likewise.
3488         * testsuite/Makefile.in: Rebuild.
3489
3490 2011-05-26 Cary Coutant  <ccoutant@google.com>
3491
3492         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
3493         * incremental.cc (Incremental_inputs::report_input_section): Fix
3494         comment, indentation.
3495         (Incremental_inputs::report_comdat_group): New function.
3496         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3497         of data for incremental input file entry.
3498         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
3499         group count, COMDAT group signatures.
3500         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
3501         an unchanged input file.
3502         * incremental.h (Incremental_object_entry::Incremental_object_entry):
3503         Initialize new data member.
3504         (Incremental_object_entry::add_comdat_group): New function.
3505         (Incremental_object_entry::get_comdat_group_count): New function.
3506         (Incremental_object_entry::get_comdat_signature_key): New function.
3507         (Incremental_object_entry::groups_): New data member.
3508         (Incremental_inputs::report_comdat_group): New function.
3509         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
3510         data for incremental input file entry.
3511         (Incremental_input_entry_reader::get_comdat_group_count): New function.
3512         (Incremental_input_entry_reader::get_input_section): Adjust size of
3513         data for incremental input file entry.
3514         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
3515         (Incremental_input_entry_reader::get_comdat_group_signature): New
3516         function.
3517         * object.cc (Sized_relobj::include_section_group): Report kept
3518         COMDAT groups for incremental links.
3519
3520 2011-05-24  David Meyer  <pdox@google.com>
3521
3522         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
3523         with name parameter.  Add found_name parameter.
3524         * fileread.cc (Input_file::find_file): Adjust code accordingly.
3525         * dirsearch.h (class Dirsearch): Update declaration.
3526
3527 2011-05-24  Ian Lance Taylor  <iant@google.com>
3528
3529         * archive.cc (Library_base::should_include_member): Pull in object
3530         from archive if it defines the entry symbol.
3531         * parameters.cc (Parameters::entry): New function.
3532         * parameters.h (class Parameters): Declare entry.
3533         * output.h (class Output_file_header): Remove entry_ field.
3534         * output.cc (Output_file_header::Output_file_header): Remove entry
3535         parameter.  Change all callers.
3536         (Output_file_header::entry): Use parameters->entry.
3537         * gold.cc (queue_middle_tasks): Likewise.
3538         * plugin.cc (Plugin_hook::run): Likewise.
3539
3540 2011-05-24 Cary Coutant  <ccoutant@google.com>
3541
3542         * gold.cc (queue_initial_tasks): Pass incremental base filename
3543         to Output_file::open_base_file; don't print error message.
3544         * incremental-dump.cc (main): Adjust call to
3545         Output_file::open_for_modification.
3546         * incremental-dump.cc (main): Likewise.
3547         * incremental.cc (Incremental_inputs::report_command_line):
3548         Ignore --incremental-base option when comparing command lines.
3549         Ignore parameter when given as separate argument.
3550         * options.h (class General_options): Add --incremental-base.
3551         * output.cc (Output_file::Output_file):
3552         (Output_file::open_base_file): Add base_name and writable parameters;
3553         read base file into new file; print error message here.
3554         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3555         callers.
3556         * output.h (Output_file::open_for_modification): Rename to...
3557         (Output_file::open_base_file): ...this; add base_name and
3558         writable parameters; adjust all callers.
3559         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3560         callers.
3561         * testsuite/Makefile.am (incremental_test_4): Test
3562         --incremental-base.
3563         * testsuite/Makefile.in: Regenerate.
3564
3565 2011-05-24 Cary Coutant  <ccoutant@google.com>
3566
3567         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
3568         incremental_test_4.
3569         * testsuite/Makefile.in: Regenerate.
3570         * testsuite/two_file_test_1_v1.cc: New test source file.
3571         * testsuite/two_file_test_1b_v1.cc: New test source file.
3572         * testsuite/two_file_test_2_v1.cc: New test source file.
3573
3574 2011-05-24 Cary Coutant  <ccoutant@google.com>
3575
3576         * dynobj.h (Dynobj::do_dynobj): New function.
3577         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
3578         flag and soname for shared objects.
3579         * incremental.cc (Incremental_inputs::report_object): Make
3580         either Incremental_object_entry or Incremental_dynobj_entry; add
3581         soname to string table.
3582         (Incremental_inputs::report_input_section): Add assertion.
3583         (Output_section_incremental_inputs::set_final_data_size): Adjust
3584         type of input file entry for shared libraries; adjust size of
3585         shared library info entry.
3586         (Output_section_incremental_inputs::write_input_files): Write
3587         as_needed flag for shared libraries.
3588         (Output_section_incremental_inputs::write_info_blocks): Adjust type
3589         of input file entry for shared libraries; write soname.
3590         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
3591         soname from incremental info.
3592         * incremental.h (enum Incremental_input_flags): Add
3593         INCREMENTAL_INPUT_AS_NEEDED.
3594         (Incremental_input_entry::Incremental_input_entry): Initialize new
3595         data member.
3596         (Incremental_input_entry::set_as_needed): New function.
3597         (Incremental_input_entry::as_needed): New function.
3598         (Incremental_input_entry::do_dynobj_entry): New function.
3599         (Incremental_input_entry::as_needed_): New data member.
3600         (Incremental_object_entry::Incremental_object_entry): Don't check
3601         for shared library.
3602         (Incremental_object_entry::do_type): Likewise.
3603         (class Incremental_dynobj_entry): New class.
3604         (Incremental_input_entry_reader::as_needed): New function.
3605         (Incremental_input_entry_reader::get_soname): New function.
3606         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
3607         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
3608         size of shared library info entry.
3609         * layout.cc (Layout::finish_dynamic_section): Don't test for
3610         incremental link when adding DT_NEEDED entries.
3611         * object.h (Object::Object): Initialize new data member.
3612         (Object::dynobj): New function.
3613         (Object::set_as_needed): New function.
3614         (Object::as_needed): New function.
3615         (Object::do_dynobj): New function.
3616         (Object::as_needed_): New data member.
3617
3618 2011-05-24 Cary Coutant  <ccoutant@google.com>
3619
3620         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
3621         info; adjust display of GOT entries.
3622         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3623         vector of input objects; remove file_status_.
3624         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
3625         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
3626         got_plt reader; call target hooks to reserve GOT entries.
3627         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3628         of input file info header and GOT info entry.
3629         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
3630         relocation info.
3631         (Got_plt_view_info::got_descriptor): Remove.
3632         (Got_plt_view_info::sym_index): New data member.
3633         (Got_plt_view_info::input_index): New data member.
3634         (Local_got_offset_visitor::visit): Write input file index.
3635         (Global_got_offset_visitor::visit): Write 0 for input file index.
3636         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
3637         with sym_index and input_index.
3638         (Output_section_incremental_inputs::write_got_plt): Adjust size of
3639         incremental info GOT entry; replace got_descriptor with input_index.
3640         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
3641         map from input file index to object.
3642         (Sized_relobj_incr::do_layout): Replace direct data member reference
3643         with accessor function.
3644         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
3645         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
3646         Adjust size of input file info header.
3647         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
3648         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
3649         (Incremental_input_entry_reader::get_input_section): Adjust size of
3650         input file info header.
3651         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
3652         of incremental info GOT entry.
3653         (Incremental_got_plt_reader::get_got_desc): Remove.
3654         (Incremental_got_plt_reader::get_got_symndx): New function.
3655         (Incremental_got_plt_reader::get_got_input_index): New function.
3656         (Sized_incremental_binary::Sized_incremental_binary): Remove
3657         file_status_; add input_objects_.
3658         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
3659         (Sized_incremental_binary::set_file_is_unchanged): Remove.
3660         (Sized_incremental_binary::file_is_unchanged): Remove.
3661         (Sized_incremental_binary::set_input_object): New function.
3662         (Sized_incremental_binary::input_object): New function.
3663         (Sized_incremental_binary::file_status_): Remove.
3664         (Sized_incremental_binary::input_objects_): New data member.
3665         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
3666         references.
3667         (Sized_relobj_incr::invalid_address): Move to base class.
3668         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
3669         class.
3670         (Sized_relobj_incr::do_output_section_offset): Likewise.
3671         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
3672         (Sized_relobj_incr::section_offsets_): Likewise.
3673         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
3674         function.
3675         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
3676         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
3677         with accessor function.
3678         (Sized_relobj_file::do_layout): Likewise.
3679         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
3680         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
3681         (Sized_relobj_file::compute_final_local_value): Replace refs to
3682         section_offsets_ with accessor function.
3683         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
3684         * object.h (Relobj::Relobj): Initialize new data members.
3685         (Relobj::add_dyn_reloc): New function.
3686         (Relobj::first_dyn_reloc): New function.
3687         (Relobj::dyn_reloc_count): New function.
3688         (Relobj::first_dyn_reloc_): New data member.
3689         (Relobj::dyn_reloc_count_): New data member.
3690         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
3691         references.
3692         (Sized_relobj::Address): New typedef.
3693         (Sized_relobj::invalid_address): Move here from child class.
3694         (Sized_relobj::Sized_relobj): Initialize new data members.
3695         (Sized_relobj::sized_relobj): New function.
3696         (Sized_relobj::is_output_section_offset_invalid): Move here from
3697         child class.
3698         (Sized_relobj::get_output_section_offset): Likewise.
3699         (Sized_relobj::local_has_got_offset): Likewise.
3700         (Sized_relobj::local_got_offset): Likewise.
3701         (Sized_relobj::set_local_got_offset): Likewise.
3702         (Sized_relobj::do_for_all_local_got_entries): Likewise.
3703         (Sized_relobj::clear_got_offsets): New function.
3704         (Sized_relobj::section_offsets): Move here from child class.
3705         (Sized_relobj::do_output_section_offset): Likewise.
3706         (Sized_relobj::do_set_section_offset): Likewise.
3707         (Sized_relobj::Local_got_offsets): Likewise.
3708         (Sized_relobj::local_got_offsets_): Likewise.
3709         (Sized_relobj::section_offsets_): Likewise.
3710         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
3711         references.
3712         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
3713         class.
3714         (Sized_relobj_file::sized_relobj): New function
3715         (Sized_relobj_file::local_has_got_offset): Move to base class.
3716         (Sized_relobj_file::local_got_offset): Likewise.
3717         (Sized_relobj_file::set_local_got_offset): Likewise.
3718         (Sized_relobj_file::get_output_section_offset): Likewise.
3719         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
3720         (Sized_relobj_file::do_output_section_offset): Likewise.
3721         (Sized_relobj_file::do_set_section_offset): Likewise.
3722         (Sized_relobj_file::Local_got_offsets): Likewise.
3723         (Sized_relobj_file::local_got_offsets_): Likewise.
3724         (Sized_relobj_file::section_offsets_): Likewise.
3725         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
3726         (all constructors).
3727         (set_needs_dynsym_index): Convert relobj to derived class pointer.
3728         (Output_reloc::get_symbol_index): Likewise.
3729         (Output_reloc::local_section_offset): Likewise.
3730         (Output_reloc::get_address): Likewise.
3731         (Output_reloc::symbol_value): Likewise.
3732         (Output_data_got::reserve_slot): Move to class definition.
3733         (Output_data_got::reserve_local): New function.
3734         (Output_data_got::reserve_slot_for_global): Remove.
3735         (Output_data_got::reserve_global): New function.
3736         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
3737         (all constructors, two instantiations).
3738         (Output_reloc::get_relobj): New function (two instantiations).
3739         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
3740         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
3741         (Output_data_reloc::add_global): Adjust type of relobj.
3742         (Output_data_reloc::add_global_relative): Likewise.
3743         (Output_data_reloc::add_symbolless_global_addend): Likewise.
3744         (Output_data_reloc::add_local): Likewise.
3745         (Output_data_reloc::add_local_relative): Likewise.
3746         (Output_data_reloc::add_symbolless_local_addend): Likewise.
3747         (Output_data_reloc::add_local_section): Likewise.
3748         (Output_data_reloc::add_output_section): Likewise.
3749         (Output_data_reloc::add_absolute): Likewise.
3750         (Output_data_reloc::add_target_specific): Likewise.
3751         (Output_data_got::reserve_slot): Move definition here.
3752         (Output_data_got::reserve_local): New function.
3753         (Output_data_got::reserve_global): New function.
3754         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
3755         section_offsets_ with accessor function.
3756         (Sized_relobj_file::write_sections): Likewise.
3757         (Sized_relobj_file::do_relocate_sections): Likewise.
3758         * target.h (Sized_target::reserve_local_got_entry): New function.
3759         (Sized_target::reserve_global_got_entry): New function.
3760         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
3761         (Target_x86_64::reserve_global_got_entry): New function.
3762         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
3763
3764 2011-05-23 Cary Coutant  <ccoutant@google.com>
3765
3766         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
3767         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
3768         bit when checking got_type.
3769         * incremental.cc (Sized_incremental_binary::setup_readers):
3770         Store symbol table and string table locations; initialize bit vector
3771         of file status flags.
3772         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
3773         unchanged files.
3774         (Sized_incremental_binary::do_process_got_plt): New function.
3775         (Sized_incremental_binary::get_symtab_view): Use stored locations.
3776         (Output_section_incremental_inputs::set_final_data_size): Record
3777         file index for each input file.
3778         (Output_section_incremental_inputs::write_got_plt): Store file index
3779         instead of input entry offset for each GOT entry.
3780         * incremental.h
3781         (Incremental_input_entry::Incremental_input_entry): Initialize new
3782         data member.
3783         (Incremental_input_entry::set_offset): Store file index.
3784         (Incremental_input_entry::get_file_index): New function.
3785         (Incremental_input_entry::file_index_): New data member.
3786         (Incremental_binary::process_got_plt): New function.
3787         (Incremental_binary::do_process_got_plt): New function.
3788         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3789         data members.
3790         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
3791         (Sized_incremental_binary::set_file_is_unchanged): New function.
3792         (Sized_incremental_binary::file_is_unchanged): New function.
3793         (Sized_incremental_binary::do_process_got_plt): New function.
3794         (Sized_incremental_binary::file_status_): New data member.
3795         (Sized_incremental_binary::main_symtab_loc_): New data member.
3796         (Sized_incremental_binary::main_strtab_loc_): New data member.
3797         * output.cc (Output_data_got::Got_entry::write): Add case
3798         RESERVED_CODE.
3799         (Output_data_got::add_global): Call add_got_entry.
3800         (Output_data_got::add_global_plt): Likewise.
3801         (Output_data_got::add_global_with_rel): Likewise.
3802         (Output_data_got::add_global_with_rela): Likewise.
3803         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
3804         (Output_data_got::add_global_pair_with_rela): Likewise.
3805         (Output_data_got::add_local): Call add_got_entry.
3806         (Output_data_got::add_local_plt): Likewise.
3807         (Output_data_got::add_local_with_rel): Likewise.
3808         (Output_data_got::add_local_with_rela): Likewise.
3809         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
3810         (Output_data_got::add_local_pair_with_rela): Likewise.
3811         (Output_data_got::reserve_slot): New function.
3812         (Output_data_got::reserve_slot_for_global): New function.
3813         (Output_data_got::add_got_entry): New function.
3814         (Output_data_got::add_got_entry_pair): New function.
3815         (Output_section::add_output_section_data): Edit FIXME.
3816         * output.h
3817         (Output_section_data_build::Output_section_data_build): New
3818         constructor with size parameter.
3819         (Output_data_space::Output_data_space): Likewise.
3820         (Output_data_got::Output_data_got): Initialize new data member; new
3821         constructor with size parameter.
3822         (Output_data_got::add_constant): Call add_got_entry.
3823         (Output_data_got::reserve_slot): New function.
3824         (Output_data_got::reserve_slot_for_global): New function.
3825         (class Output_data_got::Got_entry): Add RESERVED_CODE.
3826         (Output_data_got::add_got_entry): New function.
3827         (Output_data_got::add_got_entry_pair): New function.
3828         (Output_data_got::free_list_): New data member.
3829         * target.h (Sized_target::init_got_plt_for_update): New function.
3830         (Sized_target::register_global_plt_entry): New function.
3831         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
3832         Initialize new data member; call init; add constructor with PLT count.
3833         (Output_data_plt_x86_64::init): New function.
3834         (Output_data_plt_x86_64::add_relocation): New function.
3835         (Output_data_plt_x86_64::reserve_slot): New function.
3836         (Output_data_plt_x86_64::free_list_): New data member.
3837         (Target_x86_64::init_got_plt_for_update): New function.
3838         (Target_x86_64::register_global_plt_entry): New function.
3839         (Output_data_plt_x86_64::add_entry): Allocate from free list for
3840         incremental updates.
3841         (Output_data_plt_x86_64::add_relocation): New function.
3842         * testsuite/object_unittest.cc (Object_test): Set default options.
3843
3844 2011-05-16  Ian Lance Taylor  <iant@google.com>
3845
3846         * options.h (class General_options): Make -i a synonym for -r.
3847
3848 2011-05-16  Ian Lance Taylor  <iant@google.com>
3849
3850         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
3851
3852 2011-05-10 Cary Coutant  <ccoutant@google.com>
3853
3854         * object.cc (Sized_relobj::do_count_local_symbols): Check for
3855         strip_all (-s).
3856
3857 2011-05-06  Ian Lance Taylor  <iant@google.com>
3858
3859         * layout.cc (Layout::layout): If the output section flags change,
3860         update the ordering.
3861
3862 2011-04-25 Cary Coutant  <ccoutant@google.com>
3863
3864         * incremental-dump.cc (dump_incremental_inputs): Print local
3865         symbol info for each input file.
3866         * incremental.cc
3867         (Output_section_incremental_inputs::set_final_data_size): Add local
3868         symbol info to input file entries in incremental info.
3869         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3870         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
3871         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
3872         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
3873         implementation.
3874         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
3875         (Sized_incr_relobj::do_relocate): Write the local symbols.
3876         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
3877         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
3878         Adjust size of input file header.
3879         (Incremental_inputs_reader::get_local_symbol_offset): New function.
3880         (Incremental_inputs_reader::get_local_symbol_count): New function.
3881         (Incremental_inputs_reader::get_input_section): Adjust size of input
3882         file header.
3883         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
3884         (Sized_incr_relobj::This): New typedef.
3885         (Sized_incr_relobj::sym_size): New const data member.
3886         (Sized_incr_relobj::Local_symbol): New struct.
3887         (Sized_incr_relobj::do_output_local_symbol_count): New function.
3888         (Sized_incr_relobj::do_local_symbol_offset): New function.
3889         (Sized_incr_relobj::local_symbol_count_): New data member.
3890         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
3891         (Sized_incr_relobj::local_symbol_index_): New data member.
3892         (Sized_incr_relobj::local_symbol_offset_): New data member.
3893         (Sized_incr_relobj::local_dynsym_offset_): New data member.
3894         (Sized_incr_relobj::local_symbols_): New data member.
3895         * object.h (Relobj::output_local_symbol_count): New function.
3896         (Relobj::local_symbol_offset): New function.
3897         (Relobj::do_output_local_symbol_count): New function.
3898         (Relobj::do_local_symbol_offset): New function.
3899         (Sized_relobj::do_output_local_symbol_count): New function.
3900         (Sized_relobj::do_local_symbol_offset): New function.
3901
3902 2011-04-22  Vladimir Simonov  <sv@sw.ru>
3903
3904         * descriptors.cc (set_close_on_exec): New function.
3905         (Descriptors::open): Use set_close_on_exec.
3906         * output.cc (S_ISLNK): Define if not defined.
3907
3908 2011-04-22 Cary Coutant  <ccoutant@google.com>
3909
3910         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3911         global symbol map.
3912         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3913         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
3914         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
3915         relocations.
3916         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
3917         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
3918         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
3919         * incremental.h
3920         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
3921         function.
3922         (Incremental_binary::apply_incremental_relocs): New function.
3923         (Incremental_binary::do_apply_incremental_relocs): New function.
3924         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3925         data member.
3926         (Sized_incremental_binary::add_global_symbol): New function.
3927         (Sized_incremental_binary::global_symbol): New function.
3928         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3929         (Sized_incremental_binary::symbol_map_): New data member.
3930         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
3931         * target.h (Sized_target::apply_relocation): New function.
3932         * target-reloc.h (apply_relocation): New function.
3933         * x86_64.cc (Target_x86_64::apply_relocation): New function.
3934
3935 2011-04-22  Doug Kwan  <dougkwan@google.com>
3936
3937         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
3938         flag of a SHT_ARM_EXIDX section.
3939         * testsuite/Makefile.am (arm_exidx_test): New test rules.
3940         * testsuite/Makefile.in: Regenerate.
3941         * testsuite/arm_exidx_test.s: New file.
3942         * testsuite/arm_exidx_test.sh: Same.
3943
3944 2011-04-20 Cary Coutant  <ccoutant@google.com>
3945
3946         PR gold/12689
3947         * archive.h (Incremental_archive_entry::Archive_member):
3948         Initialize arg_serial_ (second constructor).
3949
3950 2011-04-17  Ian Lance Taylor  <iant@google.com>
3951
3952         * object.cc (Relocate_info::location): Simplify location string.
3953         * errors.cc (Errors::error_at_location): Don't print program
3954         name.
3955         (Errors::warning_at_location): Likewise.
3956         (Errors::undefined_symbol): Likewise.
3957         * testsuite/debug_msg.sh: Update accordingly.
3958
3959 2011-04-14 Cary Coutant  <ccoutant@google.com>
3960
3961         * gold/layout.cc (Layout::symtab_section_offset): New function.
3962         * gold/layout.h (Layout::symtab_section_offset): New function.
3963         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
3964
3965 2011-04-12  Ian Lance Taylor  <iant@google.com>
3966
3967         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
3968         with MREMAP_MAYMOVE.
3969         * output.h (class Output_file): Add map_is_allocated_ field.
3970         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
3971         not available, provide stubs.  If mremap is not available, #define
3972         it to gold_mremap.
3973         (MREMAP_MAYMOVE): Define if not defined.
3974         (Output_file::Output_file): Initialize map_is_allocated_.
3975         (Output_file::resize): Check map_is_allocated_.
3976         (Output_file::map_anonymous): If mmap fails, use malloc.
3977         (Output_file::unmap): Don't do anything for an anonymous map.
3978         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
3979         is not available, provide stubs.
3980         (File_read::View::~View): Use free rather than delete[].
3981         (File_read::make_view): Use malloc rather than new[].  If mmap
3982         fails, use malloc.
3983         (File_read::find_or_make_view): Use malloc rather than new[].
3984         * gold.h: Remove HAVE_REMAP code.
3985         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
3986         exists.  Rename mremap to gold_mremap.  If mmap is not available
3987         don't do anything.
3988         * configure, config.in: Rebuild.
3989
3990 2011-04-11  Ian Lance Taylor  <iant@google.com>
3991
3992         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
3993         initialize local variable v.
3994
3995 2011-04-11  Cary Coutant  <ccoutant@google.com>
3996
3997         * archive.cc (Archive::include_member): Adjust call to
3998         report_object.
3999         (Add_archive_symbols::run): Track argument serial numbers.
4000         (Lib_group::include_member): Likewise.
4001         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
4002         * archive.h (Incremental_archive_entry::Archive_member):
4003         Initialize arg_serial_.
4004         (Archive_member::arg_serial_): New data member.
4005         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
4006         (Sized_dynobj::do_add_symbols): Track symbols when doing an
4007         incremental link.
4008         (Sized_dynobj::do_for_all_local_got_entries): New function.
4009         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
4010         function.
4011         * fileread.cc (get_mtime): New function.
4012         * fileread.h (get_mtime): New function.
4013         * gold.cc (queue_initial_tasks): Check for incremental update.
4014         (process_incremental_input): New function.
4015         (queue_middle_tasks): Don't force valid target for incremental
4016         update.
4017         * incremental-dump.cc (find_input_containing_global): Adjust
4018         size of symbol info entry.
4019         (dump_incremental_inputs): Dump argument serial number and
4020         in_system_directory flag; bias shndx by 1; print symbol names
4021         when dumping per-file symbol lists; use new symbol info readers.
4022         * incremental.cc
4023         (Output_section_incremental_inputs:update_data_size): New function.
4024         (Sized_incremental_binary::setup_readers): Setup input readers
4025         for each input file; build maps for files added from libraries
4026         and scripts.
4027         (Sized_incremental_binary::check_input_args): New function.
4028         (Sized_incremental_binary::do_check_inputs): Build map of argument
4029         serial numbers to input arguments.
4030         (Sized_incremental_binary::do_file_has_changed): Rename
4031         do_file_is_unchanged to this; compare file modification times.
4032         (Sized_incremental_binary::do_init_layout): New function.
4033         (Sized_incremental_binary::do_reserve_layout): New function.
4034         (Sized_incremental_binary::do_get_input_reader): Remove.
4035         (Sized_incremental_binary::get_symtab_view): New function.
4036         (Incremental_checker::can_incrementally_link_output_file): Remove.
4037         (Incremental_inputs::report_command_line): Exclude --debug options.
4038         (Incremental_inputs::report_archive_begin): Add parameter; track
4039         argument serial numbers; don't put input file entry for archive
4040         before archive members.
4041         (Incremental_inputs::report_archive_end): Put input file entry
4042         for archive after archive members.
4043         (Incremental_inputs::report_object): Add parameter; track argument
4044         serial numbers and in_system_directory flag.
4045         (Incremental_inputs::report_script): Add parameter; track argument
4046         serial numbers.
4047         (Output_section_incremental_inputs::set_final_data_size): Adjust
4048         size of symbol info entry; check for forwarding symbols.
4049         (Output_section_incremental_inputs::write_input_files): Write
4050         in_system_directory flag and argument serial number.
4051         (Output_section_incremental_inputs::write_info_blocks): Map section
4052         indices between incremental info and original input file; store
4053         input section index for each symbol.
4054         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
4055         change operator() to visit().
4056         (class Global_got_offset_visitor): Likewise.
4057         (class Global_symbol_visitor_got_plt):
4058         (Output_section_incremental_inputs::write_got_plt): Use new visitor
4059         classes.
4060         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
4061         (Sized_incr_relobj::do_read_symbols): New function.
4062         (Sized_incr_relobj::do_layout): New function.
4063         (Sized_incr_relobj::do_layout_deferred_sections): New function.
4064         (Sized_incr_relobj::do_add_symbols): New function.
4065         (Sized_incr_relobj::do_should_include_member): New function.
4066         (Sized_incr_relobj::do_for_all_global_symbols): New function.
4067         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
4068         (Sized_incr_relobj::do_section_size): New function.
4069         (Sized_incr_relobj::do_section_name): New function.
4070         (Sized_incr_relobj::do_section_contents): New function.
4071         (Sized_incr_relobj::do_section_flags): New function.
4072         (Sized_incr_relobj::do_section_entsize): New function.
4073         (Sized_incr_relobj::do_section_address): New function.
4074         (Sized_incr_relobj::do_section_type): New function.
4075         (Sized_incr_relobj::do_section_link): New function.
4076         (Sized_incr_relobj::do_section_info): New function.
4077         (Sized_incr_relobj::do_section_addralign): New function.
4078         (Sized_incr_relobj::do_initialize_xindex): New function.
4079         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
4080         (Sized_incr_relobj::do_read_relocs): New function.
4081         (Sized_incr_relobj::do_gc_process_relocs): New function.
4082         (Sized_incr_relobj::do_scan_relocs): New function.
4083         (Sized_incr_relobj::do_count_local_symbols): New function.
4084         (Sized_incr_relobj::do_finalize_local_symbols): New function.
4085         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
4086         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
4087         (Sized_incr_relobj::do_relocate): New function.
4088         (Sized_incr_relobj::do_set_section_offset): New function.
4089         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
4090         (Sized_incr_dynobj::do_read_symbols): New function.
4091         (Sized_incr_dynobj::do_layout): New function.
4092         (Sized_incr_dynobj::do_add_symbols): New function.
4093         (Sized_incr_dynobj::do_should_include_member): New function.
4094         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
4095         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
4096         (Sized_incr_dynobj::do_section_size): New function.
4097         (Sized_incr_dynobj::do_section_name): New function.
4098         (Sized_incr_dynobj::do_section_contents): New function.
4099         (Sized_incr_dynobj::do_section_flags): New function.
4100         (Sized_incr_dynobj::do_section_entsize): New function.
4101         (Sized_incr_dynobj::do_section_address): New function.
4102         (Sized_incr_dynobj::do_section_type): New function.
4103         (Sized_incr_dynobj::do_section_link): New function.
4104         (Sized_incr_dynobj::do_section_info): New function.
4105         (Sized_incr_dynobj::do_section_addralign): New function.
4106         (Sized_incr_dynobj::do_initialize_xindex): New function.
4107         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
4108         (make_sized_incremental_object): New function.
4109         (Incremental_library::copy_unused_symbols): New function.
4110         (Incremental_library::do_for_all_unused_symbols): New function.
4111         * incremental.h (enum Incremental_input_flags): New type.
4112         (class Incremental_checker): Remove.
4113         (Incremental_input_entry::Incremental_input_entry): Add argument
4114         serial number.
4115         (Incremental_input_entry::arg_serial): New function.
4116         (Incremental_input_entry::set_is_in_system_directory): New function.
4117         (Incremental_input_entry::is_in_system_directory): New function.
4118         (Incremental_input_entry::arg_serial_): New data member.
4119         (Incremental_input_entry::is_in_system_directory_): New data member.
4120         (class Script_info): Move here from script.h.
4121         (Script_info::Script_info): Add filename parameter.
4122         (Script_info::filename): New function.
4123         (Script_info::filename_): New data member.
4124         (Incremental_script_entry::Incremental_script_entry): Add argument
4125         serial number.
4126         (Incremental_object_entry::Incremental_object_entry): Likewise.
4127         (Incremental_object_entry::add_input_section): Build list of input
4128         sections with map to original shndx.
4129         (Incremental_object_entry::get_input_section_index): New function.
4130         (Incremental_object_entry::shndx_): New data member.
4131         (Incremental_object_entry::name_key_): Rename; adjust all refs.
4132         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
4133         (Incremental_archive_entry::Incremental_archive_entry): Add argument
4134         serial number.
4135         (Incremental_inputs::report_archive_begin): Likewise.
4136         (Incremental_inputs::report_object): Likewise.
4137         (Incremental_inputs::report_script): Likewise.
4138         (class Incremental_global_symbol_reader): New class.
4139         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
4140         and store flags and input file type.
4141         (Incremental_input_entry_reader::arg_serial): New function.
4142         (Incremental_input_entry_reader::type): Extract type from flags.
4143         (Incremental_input_entry_reader::is_in_system_directory): New function.
4144         (Incremental_input_entry_reader::get_input_section_count): Call
4145         accessor function for type.
4146         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
4147         function for type; adjust size of global symbol entry.
4148         (Incremental_input_entry_reader::get_global_symbol_count): Call
4149         accessor function for type.
4150         (Incremental_input_entry_reader::get_object_count): Likewise.
4151         (Incremental_input_entry_reader::get_object_offset): Likewise.
4152         (Incremental_input_entry_reader::get_member_count): Likewise.
4153         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
4154         (Incremental_input_entry_reader::get_member_offset): Likewise.
4155         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
4156         (Incremental_input_entry_reader::Global_symbol_info): Remove.
4157         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
4158         (Incremental_input_entry_reader::get_global_symbol_reader): New
4159         function.
4160         (Incremental_input_entry_reader::get_output_symbol_index): New
4161         function.
4162         (Incremental_input_entry_reader::type_): Remove.
4163         (Incremental_input_entry_reader::flags_): New data member.
4164         (Incremental_inputs_reader::input_file_offset): New function.
4165         (Incremental_inputs_reader::input_file_index): New function.
4166         (Incremental_inputs_reader::input_file): Call input_file_offset.
4167         (Incremental_inputs_reader::input_file_at_offset): New function.
4168         (Incremental_relocs_reader::get_r_type): Reformat.
4169         (Incremental_relocs_reader::get_r_shndx): Reformat.
4170         (Incremental_relocs_reader::get_r_offset): Reformat.
4171         (Incremental_relocs_reader::data): New function.
4172         (Incremental_binary::Incremental_binary): Initialize new data members.
4173         (Incremental_binary::check_inputs): Add cmdline parameter.
4174         (Incremental_binary::file_is_unchanged): Remove.
4175         (Input_reader::arg_serial): New function.
4176         (Input_reader::get_unused_symbol_count): New function.
4177         (Input_reader::get_unused_symbol): New function.
4178         (Input_reader::do_arg_serial): New function.
4179         (Input_reader::do_get_unused_symbol_count): New function.
4180         (Input_reader::do_get_unused_symbol): New function.
4181         (Incremental_binary::input_file_count): New function.
4182         (Incremental_binary::get_input_reader): Change signature to use
4183         index instead of filename.
4184         (Incremental_binary::file_has_changed): New function.
4185         (Incremental_binary::get_input_argument): New function.
4186         (Incremental_binary::get_library): New function.
4187         (Incremental_binary::get_script_info): New function.
4188         (Incremental_binary::init_layout): New function.
4189         (Incremental_binary::reserve_layout): New function.
4190         (Incremental_binary::output_file): New function.
4191         (Incremental_binary::do_check_inputs): New function.
4192         (Incremental_binary::do_file_is_unchanged): Remove.
4193         (Incremental_binary::do_file_has_changed): New function.
4194         (Incremental_binary::do_init_layout): New function.
4195         (Incremental_binary::do_reserve_layout): New function.
4196         (Incremental_binary::do_input_file_count): New function.
4197         (Incremental_binary::do_get_input_reader): Change signature.
4198         (Incremental_binary::input_args_map_): New data member.
4199         (Incremental_binary::library_map_): New data member.
4200         (Incremental_binary::script_map_): New data member.
4201         (Sized_incremental_binary::Sized_incremental_binary): Initialize
4202         new data members.
4203         (Sized_incremental_binary::output_section): New function.
4204         (Sized_incremental_binary::inputs_reader): Add const.
4205         (Sized_incremental_binary::symtab_reader): Add const.
4206         (Sized_incremental_binary::relocs_reader): Add const.
4207         (Sized_incremental_binary::got_plt_reader): Add const.
4208         (Sized_incremental_binary::get_symtab_view): New function.
4209         (Sized_incremental_binary::Inputs_reader): New typedef.
4210         (Sized_incremental_binary::Input_entry_reader): New typedef.
4211         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
4212         (Sized_incremental_binary::do_file_is_unchanged): Remove.
4213         (Sized_incremental_binary::do_file_has_changed): New function.
4214         (Sized_incremental_binary::do_init_layout): New function.
4215         (Sized_incremental_binary::do_reserve_layout): New function.
4216         (Sized_input_reader::Inputs_reader): Remove.
4217         (Sized_input_reader::Input_entry_reader): Remove.
4218         (Sized_input_reader::do_arg_serial): New function.
4219         (Sized_input_reader::do_get_unused_symbol_count): New function.
4220         (Sized_input_reader::do_get_unused_symbol): New function.
4221         (Sized_incremental_binary::do_input_file_count): New function.
4222         (Sized_incremental_binary::do_get_input_reader): Change signature;
4223         use index instead of filename.
4224         (Sized_incremental_binary::section_map_): New data member.
4225         (Sized_incremental_binary::input_entry_readers_): New data member.
4226         (class Sized_incr_relobj): New class.
4227         (class Sized_incr_dynobj): New class.
4228         (make_sized_incremental_object): New function.
4229         (class Incremental_library): New class.
4230         * layout.cc (Free_list::num_lists): New static data member.
4231         (Free_list::num_nodes): New static data member.
4232         (Free_list::num_removes): New static data member.
4233         (Free_list::num_remove_visits): New static data member.
4234         (Free_list::num_allocates): New static data member.
4235         (Free_list::num_allocate_visits): New static data member.
4236         (Free_list::init): New function.
4237         (Free_list::remove): New function.
4238         (Free_list::allocate): New function.
4239         (Free_list::dump): New function.
4240         (Free_list::print_stats): New function.
4241         (Layout_task_runner::run): Resize output file for incremental updates.
4242         (Layout::Layout): Initialize new data members.
4243         (Layout::set_incremental_base): New function.
4244         (Layout::init_fixed_output_section): New function.
4245         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
4246         incremental updates.
4247         (Layout::create_gold_note): Do not create gold note section for
4248         incremental updates.
4249         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
4250         for incremental updates.
4251         (Layout::set_section_offsets): For incremental updates, allocate space
4252         from free list.
4253         (Layout::create_symtab_sections): Layout with offsets relative to
4254         start of section; for incremental updates, allocate space from free
4255         list.
4256         (Layout::create_shdrs): For incremental updates, allocate space from
4257         free list.
4258         (Layout::finish_dynamic_section): For incremental updates, do not
4259         check --as-needed (fixed in subsequent patch).
4260         * layout.h (class Free_list): New class.
4261         (Layout::set_incremental_base): New function.
4262         (Layout::incremental_base): New function.
4263         (Layout::init_fixed_output_section): New function.
4264         (Layout::allocate): New function.
4265         (Layout::incremental_base_): New data member.
4266         (Layout::free_list_): New data member.
4267         * main.cc (main): Print Free_list statistics.
4268         * object.cc (Relobj::finalize_incremental_relocs): Add
4269         clear_counts parameter; clear counts only when clear_counts is set.
4270         (Sized_relobj::Sized_relobj): Initialize new base class.
4271         (Sized_relobj::do_layout): Don't report special sections.
4272         (Sized_relobj::do_for_all_local_got_entries): New function.
4273         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
4274         symtab_off to all symbol table offsets.
4275         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
4276         * object.h (class Got_offset_list): Move to top of file.
4277         (Object::Object): Allow case where input_file == NULL.
4278         (Object::~Object): Likewise.
4279         (Object::input_file): Assert that input_file != NULL.
4280         (Object::lock): Allow case where input_file == NULL.
4281         (Object::unlock): Likewise.
4282         (Object::is_locked): Likewise.
4283         (Object::token): Likewise.
4284         (Object::release): Likewise.
4285         (Object::is_incremental): New function.
4286         (Object::get_mtime): New function.
4287         (Object::for_all_local_got_entries): New function.
4288         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
4289         (Object::set_is_in_system_directory): New function.
4290         (Object::is_in_system_directory): New function.
4291         (Object::do_is_incremental): New function.
4292         (Object::do_get_mtime): New function.
4293         (Object::do_for_all_local_got_entries): New function.
4294         (Object::is_in_system_directory_): New data member.
4295         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
4296         (class Sized_relobj_base): New class.
4297         (class Sized_relobj): Derive from Sized_relobj_base.
4298         (class Sized_relobj::Symbols): Redeclare from base class.
4299         (class Sized_relobj::local_got_offset_list): Remove.
4300         (class Sized_relobj::Output_sections): Redeclare from base class.
4301         (class Sized_relobj::do_for_all_local_got_entries): New function.
4302         (class Sized_relobj::write_local_symbols): Add offset parameter.
4303         (class Sized_relobj::local_symbol_offset_): Update comment.
4304         (class Sized_relobj::local_dynsym_offset_): Update comment.
4305         * options.cc (Input_arguments::add_file): Remove const.
4306         * options.h (Input_file_argument::Input_file_argument):
4307         Initialize arg_serial_ (all constructors).
4308         (Input_file_argument::set_arg_serial): New function.
4309         (Input_file_argument::arg_serial): New function.
4310         (Input_file_argument::arg_serial_): New data member.
4311         (Input_arguments::Input_arguments): Initialize file_count_.
4312         (Input_arguments::add_file): Remove const.
4313         (Input_arguments::number_of_input_files): New function.
4314         (Input_arguments::file_count_): New data member.
4315         (Command_line::number_of_input_files): Call
4316         Input_arguments::number_of_input_files.
4317         * output.cc (Output_segment_headers::Output_segment_headers):
4318         Set current size.
4319         (Output_section::Input_section::current_data_size): New function.
4320         (Output_section::Output_section): Initialize new data members.
4321         (Output_section::add_input_section): Don't do merge sections for
4322         an incremental link; allocate space from free list for an
4323         incremental update.
4324         (Output_section::add_output_section_data): Allocate space from
4325         free list for an incremental update.
4326         (Output_section::update_data_size): New function.
4327         (Output_section::set_fixed_layout): New function.
4328         (Output_section::reserve): New function.
4329         (Output_segment::set_section_addresses): Remove const.
4330         (Output_segment::set_section_list_addresses): Remove const; allocate
4331         space from free list for an incremental update.
4332         (Output_segment::set_offset): Adjust size of RELRO segment for an
4333         incremental update.
4334         * output.h (Output_data::current_data_size): Move here from
4335         child classes.
4336         (Output_data::pre_finalize_data_size): New function.
4337         (Output_data::update_data_size): New function.
4338         (Output_section_headers::update_data_size): new function.
4339         (Output_section_data_build::current_data_size): Move to Output_data.
4340         (Output_data_strtab::update_data_size): New function.
4341         (Output_section::current_data_size): Move to Output_data.
4342         (Output_section::set_fixed_layout): New function.
4343         (Output_section::has_fixed_layout): New function.
4344         (Output_section::reserve): New function.
4345         (Output_section::update_data_size): New function.
4346         (Output_section::has_fixed_layout_): New data member.
4347         (Output_section::free_list_): New data member.
4348         (Output_segment::set_section_addresses): Remove const.
4349         (Output_segment::set_section_list_addresses): Remove const.
4350         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
4351         New function.
4352         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
4353         New function.
4354         * readsyms.cc (Read_symbols::do_read_symbols): Add library
4355         parameter when calling Add_symbols constructor; store argument
4356         serial number for members of a lib group.
4357         (Add_symbols::locks): Allow case where token == NULL.
4358         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
4359         (Read_member::~Read_member): New function.
4360         (Read_member::is_runnable): New function.
4361         (Read_member::locks): New function.
4362         (Read_member::run): New function.
4363         (Check_script::~Check_script): New function.
4364         (Check_script::is_runnable): New function.
4365         (Check_script::locks): New function.
4366         (Check_script::run): New function.
4367         (Check_library::~Check_library): New function.
4368         (Check_library::is_runnable): New function.
4369         (Check_library::locks): New function.
4370         (Check_library::run): New function.
4371         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
4372         (Add_symbols::library_): New data member.
4373         (class Read_member): New class.
4374         (class Check_script): New class.
4375         (class Check_library): New class.
4376         * reloc.cc (Read_relocs::is_runnable): Allow case where
4377         token == NULL.
4378         (Read_relocs::locks): Likewise.
4379         (Scan_relocs::locks): Likewise.
4380         (Relocate_task::locks): Likewise.
4381         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
4382         to clear counters.
4383         (Sized_relobj::incremental_relocs_scan): Fix comment.
4384         (Sized_relobj::do_relocate): Pass output file offset to
4385         write_local_symbols.
4386         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
4387         from class declaration.
4388         * script.cc (read_input_script): Allocate Script_info; pass
4389         argument serial number to report_script.
4390         * script.h (class Script_info): Move to incremental.h.
4391         * symtab.cc (Symbol_table::add_from_incrobj): New function.
4392         * symtab.h (Symbol_table::add_from_incrobj): New function.
4393         (Symbol_table::set_file_offset): New function.
4394
4395 2011-04-05  Cary Coutant  <ccoutant@google.com>
4396
4397         * incremental-dump.cc (dump_incremental_inputs): Change signature
4398         to take a Sized_incremental_binary; change caller.  Use readers
4399         in Sized_incremental_binary.
4400         * incremental.cc
4401         (Sized_incremental_binary::find_incremental_inputs_sections):
4402         Rename do_find_incremental_inputs_sections to this.
4403         (Sized_incremental_binary::setup_readers): New function.
4404         (Sized_incremental_binary::do_check_inputs): Check
4405         has_incremental_info_ flag; move setup code to setup_readers;
4406         use input readers.
4407         (Sized_incremental_binary::do_file_is_unchanged): New function.
4408         (Sized_incremental_binary::do_get_input_reader): New function.
4409         * incremental.h (class Incremental_binary): Move to end of file.
4410         (Incremental_binary::file_is_unchanged): New function.
4411         (Incremental_binary::do_file_is_unchanged): New function.
4412         (Incremental_binary::Input_reader): New class.
4413         (Incremental_binary::get_input_reader): New function.
4414         (class Sized_incremental_binary): Move to end of file.
4415         (Sized_incremental_binary::Sized_incremental_binary): Setup the
4416         input section reader classes.
4417         (Sized_incremental_binary::has_incremental_info): New function.
4418         (Sized_incremental_binary::inputs_reader): New function.
4419         (Sized_incremental_binary::symtab_reader): New function.
4420         (Sized_incremental_binary::relocs_reader): New function.
4421         (Sized_incremental_binary::got_plt_reader): New function.
4422         (Sized_incremental_binary::do_file_is_unchanged): New function.
4423         (Sized_incremental_binary::Sized_input_reader): New class.
4424         (Sized_incremental_binary::get_input_reader): New function.
4425         (Sized_incremental_binary::find_incremental_inputs_sections):
4426         Rename do_find_incremental_inputs_sections to this.
4427         (Sized_incremental_binary::setup_readers): New function.
4428         (Sized_incremental_binary::has_incremental_info_): New data member.
4429         (Sized_incremental_binary::inputs_reader_): New data member.
4430         (Sized_incremental_binary::symtab_reader_): New data member.
4431         (Sized_incremental_binary::relocs_reader_): New data member.
4432         (Sized_incremental_binary::got_plt_reader_): New data member.
4433         (Sized_incremental_binary::current_input_file_): New data member.
4434
4435 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
4436
4437         PR gold/12640
4438         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
4439         violation.
4440
4441 2011-03-30  Cary Coutant  <ccoutant@google.com>
4442
4443         * archive.cc (Archive::include_member): Adjust call to report_object.
4444         (Add_archive_symbols::run): Add script_info to call to
4445         report_archive_begin.
4446         (Lib_group::include_member): Adjust call to report_object.
4447         (Add_lib_group_symbols::run): Adjust call to report_object.
4448         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
4449         blocks.  Add object count for script input files.
4450         * incremental.cc (Incremental_inputs::report_archive_begin): Add
4451         script_info parameter; change all callers.
4452         (Incremental_inputs::report_object): Add script_info parameter;
4453         change all callers.
4454         (Incremental_inputs::report_script): Store backpointer to
4455         incremental info entry.
4456         (Output_section_incremental_inputs::set_final_data_size): Record
4457         additional information for scripts.
4458         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4459         * incremental.h (Incremental_script_entry::add_object): New function.
4460         (Incremental_script_entry::get_object_count): New function.
4461         (Incremental_script_entry::get_object): New function.
4462         (Incremental_script_entry::objects_): New data member; adjust
4463         constructor.
4464         (Incremental_inputs::report_archive_begin): Add script_info parameter.
4465         (Incremental_inputs::report_object): Add script_info parameter.
4466         (Incremental_inputs_reader::get_object_count): New function.
4467         (Incremental_inputs_reader::get_object_offset): New function.
4468         * options.cc (Input_arguments::add_file): Return reference to
4469         new input argument.
4470         * options.h (Input_argument::set_script_info): New function.
4471         (Input_argument::script_info): New function.
4472         (Input_argument::script_info_): New data member; adjust all
4473         constructors.
4474         (Input_file_group::add_file): Return reference to new input argument.
4475         (Input_file_lib::add_file): Likewise.
4476         (Input_arguments::add_file): Likewise.
4477         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
4478         * script.cc (Parser_closure::Parser_closure): Add script_info
4479         parameter; adjust all callers.
4480         (Parser_closure::script_info): New function.
4481         (Parser_closure::script_info_): New data member.
4482         (read_input_script): Report scripts earlier to incremental info.
4483         (script_add_file): Set script_info in Input_argument.
4484         (script_add_library): Likewise.
4485         * script.h (Script_options::Script_info): Rewrite class.
4486
4487 2011-03-29  Cary Coutant  <ccoutant@google.com>
4488
4489         * archive.cc (Library_base::should_include_member): Move
4490         method here from class Archive.
4491         (Archive::Archive): Initialize base class.
4492         (Archive::should_include_member): Move to base class.
4493         (Archive::do_for_all_unused_symbols): New function.
4494         (Add_archive_symbols::run): Remove redundant access to
4495         incremental_inputs.
4496         (Lib_group::Lib_group): Initialize base class.
4497         (Lib_group::do_filename): New function.
4498         (Lib_group::include_member): Pass pointer to Lib_group to
4499         report_object.
4500         (Lib_group::do_for_all_unused_symbols): New function.
4501         (Add_lib_group_symbols::run): Report archive information for
4502         incremental links.
4503         * archive.h (class Library_base): New base class.
4504         (class Archive): Derive from Library_base.
4505         (Archive::filename): Move to base class.
4506         (Archive::set_incremental_info): Likewise.
4507         (Archive::incremental_info): Likewise.
4508         (Archive::Should_include): Likewise.
4509         (Archive::should_include_member): Likewise.
4510         (Archive::Armap_entry): Remove.
4511         (Archive::Unused_symbol_iterator): Remove.
4512         (Archive::unused_symbols_begin): Remove.
4513         (Archive::unused_symbols_end): Remove.
4514         (Archive::do_filename): New function.
4515         (Archive::do_get_mtime): New function.
4516         (Archive::do_for_all_unused_symbols): New function.
4517         (Archive::task_): Move to base class.
4518         (Archive::incremental_info_): Likewise.
4519         (class Lib_group): Derive from Library_base.
4520         (Lib_group::do_filename): New function.
4521         (Lib_group::do_get_mtime): New function.
4522         (Lib_group::do_for_all_unused_symbols): New function.
4523         (Lib_group::task_): Move to base class.
4524         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
4525         function.
4526         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
4527         function.
4528         * incremental.cc (Incremental_inputs::report_archive_begin):
4529         Use Library_base; call library's get_mtime; add incremental inputs
4530         entry before members.
4531         (class Unused_symbol_visitor): New class.
4532         (Incremental_inputs::report_archive_end): Use Library_base; use
4533         visitor class to record unused symbols; don't add incremental inputs
4534         entry after members.
4535         (Incremental_inputs::report_object): Use Library_base.
4536         * incremental.h
4537         (Incremental_archive_entry::Incremental_archive_entry): Remove
4538         unused Archive parameter.
4539         (Incremental_inputs::report_archive_begin): Use Library_base.
4540         (Incremental_inputs::report_archive_end): Likewise.
4541         (Incremental_inputs::report_object): Likewise.
4542         * object.cc (Sized_relobj::do_for_all_global_symbols): New
4543         function.
4544         * object.h (Object::for_all_global_symbols): New function.
4545         (Object::do_for_all_global_symbols): New function.
4546         (Sized_relobj::do_for_all_global_symbols): New function.
4547         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
4548         function.
4549         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
4550         function.
4551
4552 2011-03-27  Ian Lance Taylor  <iant@google.com>
4553
4554         * archive.cc (Archive::interpret_header): Return -1 if something
4555         goes wrong.  Change callers accordingly.
4556
4557 2011-03-25  Cary Coutant  <ccoutant@google.com>
4558
4559         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
4560         * testsuite/Makefile.in: Regenerate.
4561
4562 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
4563
4564         * plugin.cc (get_view): New.
4565         (Plugin::load): Pass get_view to the plugin.
4566         (Plugin_manager::get_view): New.
4567
4568 2011-03-21  Ian Lance Taylor  <iant@google.com>
4569
4570         * testsuite/final_layout.sh: Rewrite to not use dc.
4571         * testsuite/relro_test.sh: Fail if dc is not present.
4572
4573 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
4574
4575         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
4576         Change == to -eq.
4577         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
4578         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
4579         Change == to -eq.
4580         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
4581         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
4582
4583 2011-03-14  Ian Lance Taylor  <iant@google.com>
4584
4585         * script-sections.cc (Sort_output_sections::script_compare):
4586         Rename from is_before, change return type.
4587         (Sort_output_sections::operator()): Adjust accordingly.
4588
4589 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
4590
4591         PR gold/12572
4592         * testsuite/odr_violation2.cc: Add comment to make all error line
4593         numbers double digits.
4594         * testsuite/debug_msg.sh: Adjust expected errors.
4595
4596 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
4597
4598         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
4599         but mark earlier ones as non-canonical
4600         (offset_to_iterator): Update search target and example
4601         (do_addr2line): Return extra lines in a vector*
4602         (format_file_lineno): Extract from do_addr2line
4603         (one_addr2line): Add vector* out-param
4604         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
4605         when a lineno entry appeared last for its instruction
4606         (Dwarf_line_info): Add vector* out-param
4607         * object.cc (Relocate_info): Pass NULL for the vector* out-param
4608         * symtab.cc (Odr_violation_compare): Include the lineno in the
4609         comparison again.
4610         (linenos_from_loc): New. Combine the canonical line for an
4611         address with its other lines.
4612         (True_if_intersect): New. Helper functor to make
4613         std::set_intersection a query.
4614         (detect_odr_violations): Compare sets of lines instead of just
4615         one line for each function. This became less deterministic, but
4616         has fewer false positives.
4617         * symtab.h: Declarations.
4618         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
4619         mix an optimized and non-optimized object in the same binary
4620         (odr_violation2.so): Same.
4621         * testsuite/Makefile.in: Regenerate from Makefile.am.
4622         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
4623         * testsuite/debug_msg.sh: Update line numbers and add
4624         assertions.
4625         * testsuite/odr_violation1.cc: Use OdrDerived, in a
4626         non-optimized context.
4627         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
4628         isn't inlined, and use OdrDerived in an optimized context.
4629         * testsuite/odr_header1.h: Defines OdrDerived, where
4630         optimization will change the
4631         first-instruction-in-the-destructor's file and line number.
4632         * testsuite/odr_header2.h: Defines OdrBase.
4633
4634 2011-03-09  Ian Lance Taylor  <iant@google.com>
4635
4636         * fileread.cc (File_read::clear_views): Don't delete the whole
4637         file view.
4638
4639 2011-03-08  Ian Lance Taylor  <iant@google.com>
4640
4641         PR gold/12525
4642         * fileread.cc: #include <climits>.
4643         (GOLD_IOV_MAX): Define.
4644         (File_read::read_multiple): Limit number of entries by iov_max.
4645         * fileread.h (class File_read): Always set max_readv_entries to
4646         128.
4647
4648 2011-03-07  Ian Lance Taylor  <iant@google.com>
4649
4650         PR gold/12525
4651         * options.h (class General_options): Add -dy and -dn.
4652
4653 2011-03-02  Cary Coutant  <ccoutant@google.com>
4654
4655         * testsuite/script_test_9.t: Add TLS segment.
4656
4657 2011-03-02  Simon Baldwin  <simonb@google.com>
4658
4659         * configure.ac: Add check for gnu_indirect_function support in
4660         the toolchain building binutils.
4661         * configure: Rebuild.
4662
4663 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
4664
4665         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
4666         plugin only symbols.
4667         (Symbol_table::sized_finalize_symbol) Mark symbol only present
4668         in plugin files as not needed in the symbol table.
4669
4670 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
4671
4672         * output.cc (Output_section::add_input_section): Delay fill
4673         generation for section ordering.
4674
4675 2011-02-09  Ian Lance Taylor  <iant@google.com>
4676
4677         PR gold/12316
4678         * object.h (class Sized_relobj): Remove clear_local_symbols.
4679         * reloc.cc (Sized_relobj::do_relocate): Don't call
4680         clear_local_symbols.
4681
4682 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
4683
4684         * plugin.cc (is_visible_from_outside): Return true for symbols
4685         in the -u option.
4686
4687 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
4688
4689         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
4690         filename.
4691
4692 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
4693
4694         * icf.h (is_section_foldable_candidate): Change type of parameter
4695         to std::string.
4696         * icf.cc (Icf::find_identical_sections): Change type of local variable
4697         section_name to be std::string.
4698         (is_function_ctor_or_dtor): Change type of parameter to std::string.
4699
4700 2011-01-25  Ian Lance Taylor  <iant@google.com>
4701
4702         * script.cc (script_add_extern): Rewrite to use
4703         add_symbol_reference.
4704
4705 2011-01-25  Doug Kwan  <dougkwan@google.com>
4706
4707         * icf.cc (get_section_contents): Always lock section's object.
4708
4709 2011-01-24  Ian Lance Taylor  <iant@google.com>
4710
4711         * options.h (class General_options): Accept
4712         --no-detect-odr-violations.
4713
4714 2011-01-24  Ian Lance Taylor  <iant@google.com>
4715
4716         * version.cc (version_string): Bump to 1.11.
4717
4718 2011-01-24  Ian Lance Taylor  <iant@google.com>
4719
4720         * plugin.cc (class Plugin_rescan): Define new class.
4721         (Plugin_manager::claim_file): Set any_claimed_.
4722         (Plugin_manager::save_archive): New function.
4723         (Plugin_manager::save_input_group): New function.
4724         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
4725         necessary.
4726         (Plugin_manager::new_undefined_symbol): New function.
4727         (Plugin_manager::rescan): New function.
4728         (Plugin_manager::rescannable_defines): New function.
4729         (Plugin_manager::add_input_file): Set any_added_.
4730         * plugin.h (class Plugin_manager): define new fields rescannable_,
4731         undefined_symbols_, any_claimed_, and any_added_.  Declare
4732         Plugin_rescan as friend.  Declare new functions.
4733         (Plugin_manager::Rescannable): Define type.
4734         (Plugin_manager::Rescannable_list): Define type.
4735         (Plugin_manager::Undefined_symbol_list): Define type.
4736         (Plugin_manager::Plugin_manager): Initialize new fields.
4737         * archive.cc (Archive::defines_symbol): New function.
4738         (Add_archive_symbols::run): Pass archive to plugins if any.
4739         * archive.h (class Archive): Declare defines_symbol.
4740         * readsyms.cc (Input_group::~Input_group): New function.
4741         (Finish_group::run): Pass input_group to plugins if any.
4742         * readsyms.h (class Input_group): Declare destructor.
4743         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
4744         any.
4745
4746 2011-01-10  Ian Lance Taylor  <iant@google.com>
4747
4748         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
4749         section as relro.
4750         (Layout::set_segment_offsets): Reset increase_relro before calling
4751         set_section_addresses a second time.
4752
4753 2011-01-04  Cary Coutant  <ccoutant@google.com>
4754
4755         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
4756         sections before NOBITS sections.
4757
4758 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
4759
4760         * version.cc (print_version): Update copyright to 2011.
4761
4762 2010-12-23  Cary Coutant  <ccoutant@google.com>
4763
4764         * output.h (Output_data_reloc::add_output_section): Pass OD instead
4765         of OS to this->add.  Add OD parameter to second form of the function.
4766
4767 2010-12-20  Ian Lance Taylor  <iant@google.com>
4768
4769         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
4770         second of two consecutive entries with same offset.
4771
4772 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4773
4774         * testsuite/Makefile.am (ifuncmain2static_LDADD)
4775         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
4776         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
4777         to avoid unneeded links against $(LDADD).
4778         * testsuite/Makefile.in: Regenerate.
4779
4780 2010-12-15  Ian Lance Taylor  <iant@google.com>
4781
4782         PR gold/12324
4783         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
4784         for R_X86_64_32 and R_X86_64_PC32.
4785         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
4786         ver_matching_def_pic.o.
4787         (ver_matching_def_pic.o): New target.
4788
4789 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4790
4791         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
4792         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
4793         Move definition before File_read::View member definitions.
4794         (File_read::View::~View): Initialize and hold lock before
4795         updating current_mapped_bytes.
4796
4797 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4798
4799         * dwarf_reader.cc: Remove outdated comment.
4800         * gold-threads.cc: Fix typo in error message.
4801         * archive.cc: Fix typos in comments.
4802         * archive.h: Likewise.
4803         * arm-reloc-property.cc: Likewise.
4804         * arm-reloc-property.h: Likewise.
4805         * arm-reloc.def: Likewise.
4806         * arm.cc: Likewise.
4807         * attributes.h: Likewise.
4808         * cref.cc: Likewise.
4809         * ehframe.cc: Likewise.
4810         * fileread.h: Likewise.
4811         * gold.h: Likewise.
4812         * i386.cc: Likewise.
4813         * icf.cc: Likewise.
4814         * incremental.h: Likewise.
4815         * int_encoding.cc: Likewise.
4816         * layout.h: Likewise.
4817         * main.cc: Likewise.
4818         * merge.h: Likewise.
4819         * object.cc: Likewise.
4820         * object.h: Likewise.
4821         * options.cc: Likewise.
4822         * readsyms.cc: Likewise.
4823         * reduced_debug_output.cc: Likewise.
4824         * reloc.cc: Likewise.
4825         * script-sections.cc: Likewise.
4826         * sparc.cc: Likewise.
4827         * symtab.h: Likewise.
4828         * target-reloc.h: Likewise.
4829         * target.cc: Likewise.
4830         * target.h: Likewise.
4831         * timer.cc: Likewise.
4832         * timer.h: Likewise.
4833         * x86_64.cc: Likewise.
4834
4835 2010-12-09  Cary Coutant  <ccoutant@google.com>
4836
4837         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
4838         stack.
4839         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
4840         parameter; change all callers.
4841         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
4842         * options.h (warn_execstack): New option.
4843
4844 2010-12-07  Doug Kwan  <dougkwan@google.com>
4845
4846         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
4847         like function call relocations.
4848
4849 2010-12-07  Ian Lance Taylor  <iant@google.com>
4850
4851         * archive.cc (Archive::get_elf_object_for_member): Permit
4852         punconfigured to be NULL.
4853         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
4854         (Archive::include_member): Pass NULL to get_elf_object_for_member
4855         if we searched for the archive and this is the first included
4856         object.
4857
4858 2010-12-01  Ian Lance Taylor  <iant@google.com>
4859
4860         * dwarf_reader.h (class Sized_dwarf_line_info): Add
4861         track_relocs_type_ field.
4862         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4863         Set track_relocs_type_.
4864         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
4865         contents when using RELA relocs.
4866         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
4867         reloc_map_.
4868         * reloc.cc (Track_relocs::next_addend): New function.
4869         * reloc.h (class Track_relocs): Declare next_addend.
4870
4871 2010-12-01  Ian Lance Taylor  <iant@google.com>
4872
4873         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
4874         virtual destructor.
4875
4876 2010-12-01  Ian Lance Taylor  <iant@google.com>
4877
4878         * README: Update compilers known to work and fail.
4879
4880 2010-11-23  Matthias Klose  <doko@ubuntu.com>
4881
4882         * configure.in: For --enable-gold, handle value `default' instead of
4883         `both*'.  Always install ld as ld.bfd, install as ld if gold is
4884         not the default.
4885         * configure: Regenerate.
4886
4887 2010-11-18  Doug Kwan  <dougkwan@google.com>
4888
4889         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
4890         and right_alignment to be zero.  Store result alignment only if it is
4891         greater than existing alignment.
4892
4893 2010-11-16  Cary Coutant  <ccoutant@google.com>
4894
4895         PR gold/12220
4896         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4897         Check for ".zdebug_line".
4898
4899 2010-11-16  Doug Kwan  <dougkwan@google.com>
4900             Cary Coutant  <ccoutant@google.com>
4901
4902         * output.h (Output_segment::set_section_addresses): Pass increase_relro
4903         by reference; adjust all callers.
4904         * output.cc (Output_segment::set_section_addresses): Adjust references
4905         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
4906         list is empty.
4907         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
4908         end at page boundary.
4909
4910 2010-11-16  Cary Coutant  <ccoutant@google.com>
4911
4912         PR gold/12220
4913         * layout.cc (Layout::choose_output_section): Transform names of
4914         compressed sections even when using a script with a SECTIONS clause.
4915         (Layout::output_section_name): Remove code to transform
4916         compressed debug section names.
4917         * output.cc (Output_section::add_input_section): Use uncompressed
4918         section size when tracking input sections.
4919
4920 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
4921
4922         * symtab.h (Symbol::NON_PIC_REF): Remove.
4923         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
4924         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
4925         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
4926         (Symbol::use_plt_offset): Take a flags argument and pass it
4927         directly to needs_dynamic_reloc.  Restrict check for undefined
4928         weak symbols to function calls.
4929         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
4930         (Target_arm::Scan::global): Use it.
4931         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
4932         (Target_arm::Relocate::relocate): Likewise.
4933         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
4934         parameter with an r_type parameter.  Use get_reference_flags
4935         to get the flags.
4936         (Target_arm::Relocate::relocate): Update accordingly.
4937         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
4938         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
4939         (Target_i386::Scan::global): Likewise.
4940         (Target_i386::Relocate::relocate): Likewise.
4941         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
4942         parameter with an r_type parameter.  Use get_reference_flags
4943         to get the flags.
4944         (Target_i386::Relocate::relocate): Update accordingly.
4945         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
4946         (Target_powerpc::Scan::global): Use it.
4947         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
4948         (Target_powerpc::Relocate::relocate): Likewise.
4949         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
4950         (Target_sparc::Scan::global): Use it.
4951         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
4952         (Target_sparc::Relocate::relocate): Likewise.
4953         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
4954         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
4955         (Target_x86_64::Scan::global): Likewise.
4956         (Target_x86_64::Relocate::relocate): Likewise.
4957
4958 2010-11-08  Doug Kwan  <dougkwan@google.com>
4959             Cary Coutant  <ccoutant@google.com>
4960
4961         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
4962         (Arm_exidx_merge_section::section_contents_): New data member.
4963         (Arm_input_section::Arm_input_section): Initialize original_contents_.
4964         (Arm_input_section::~Arm_input_section): De-allocate memory.
4965         (Arm_input_section::original_contents_): New data member.
4966         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
4967         in parameters instead of calling Object::section_contents without
4968         locking.
4969         (Arm_output_section::group_section): New parameter TASK.  Pass it
4970         to callees that need locking objects.
4971         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
4972         to lock EXIDX input sections.  Fix a formatting issue.  Call
4973         Arm_exidx_merged_section::build_contents to create merged section
4974         contents.
4975         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
4976         to lock object of stub table owner.
4977         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
4978         TEXT_SIZE to initialize data member TEXT_SIZE_.
4979         (Arm_exidx_input_section::addralign): Fix typo in comment.
4980         (Arm_exidx_input_section::text_size): New method.
4981         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
4982         that require locking objects.  Lock objects before scanning for stubs
4983         and updating local symbols.
4984         (Arm_input_section<big_endian>::init): Copy contents of original
4985         input section.
4986         (Arm_input_section<big_endian>::do_write): Use saved contents of
4987         original input section instead of calling Object::section_contents
4988         without locking.
4989         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
4990         size without calling Object::section_size().
4991         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
4992         for size.  Allocate a buffer for merged EXIDX entries.
4993         (Arm_exidx_merged_section::build_contents): New method.
4994         (Arm_exidx_merged_section::do_write): Move merge section contents
4995         building code to Arm_exidx_merged_section::build_contetns.  Write
4996         out contetns in buffer instead of building it on the fly.
4997         (Arm_relobj::make_exidx_input_section): Also pass text section size
4998         to Arm_exidx_input_section constructor.
4999         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
5000         (Arm_dynobj::do_read_symbols): Fix memory leak.
5001         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
5002         * target.h: (class Task): Add forward declaration.
5003         (Target::relax): Add new parameter TASK and pass it to
5004         Target::do_relax().
5005         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
5006
5007 2010-11-05  Cary Coutant  <ccoutant@google.com>
5008
5009         PR gold/10708
5010         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
5011         object when reading from the file.
5012         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
5013         second layout pass.
5014         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
5015         when reading section contents.
5016         (get_section_contents): Likewise.
5017         (icf::find_identical_sections): Likewise.
5018         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
5019         object when reading from the file.
5020         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
5021         the object when doing deferred section layout.
5022
5023 2010-11-03  Nick Clifton  <nickc@redhat.com>
5024
5025         PR gold/12001
5026         * script.h (class Symbol_assignment: name): New member.  Returns
5027         the name of the symbol.
5028         * scrfipt.cc (Script_options::is_pending_assignment): New member.
5029         Returns true if the given symbol name is on the list of
5030         assignments wating to be processed.
5031         * archive.cc (should_incldue_member): If the symbol is undefined,
5032         check to see if it is on the list of symbols pending assignment.
5033
5034 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
5035
5036         * script-sections.cc (Script_sections::find_memory_region): Check
5037         for a NULL output section pointer.
5038
5039 2010-10-29  Doug Kwan  <dougkwan@google.com>
5040
5041         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
5042         Output_section::add_relaxed_input_section.
5043         * output.cc (Output_section::add_relaxed_input_section): Add new
5044         arguments LAYOUT and NAME.  Set section order index.
5045         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5046         Copy section order index.
5047         * output.h (Output_section::add_relaxed_input_section): Add new
5048         arguments LAYOUT and NAME.
5049
5050 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5051
5052         * testsuite/Makefile.am: Move gcctestdir/ld rule to
5053         NATIVE_OR_CROSS_LINKER.
5054         * testsuite/Makefile.in: Regenerate.
5055
5056 2010-10-20  Doug Kwan  <dougkwan@google.com>
5057
5058         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
5059         without SHF_LINK_ORDER flags.
5060         * layout.cc (Layout::choose_output_section): Do not filter
5061         SHF_LINK_ORDER flag in a relocatable link.
5062
5063 2010-10-17  Cary Coutant  <ccoutant@google.com>
5064
5065         * output.h (Output_segment::set_section_addresses): Change function
5066         signature.  Update all callers.
5067         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
5068         sections.
5069         (Output_segment::set_section_addresses): Align after last TLS
5070         section.  Add padding before last relro section instead of after.
5071
5072 2010-10-17  Doug Kwan  <dougkwan@google.com>
5073
5074         * gold/arm.cc (Target_arm::got_section): Use correct order and set
5075         GOT output section to be writable.
5076
5077 2010-10-14  Cary Coutant  <ccoutant@google.com>
5078
5079         * debug.h (DEBUG_INCREMENTAL): New flag.
5080         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
5081         * gold.cc (queue_initial_tasks): Check parameters for incremental link
5082         mode.
5083         * incremental.cc (report_command_line): Ignore all forms of
5084         --incremental.
5085         * layout.cc (Layout::Layout): Check parameters for incremental link
5086         mode.
5087         * options.cc (General_options::parse_incremental): New function.
5088         (General_options::parse_no_incremental): New function.
5089         (General_options::parse_incremental_full): New function.
5090         (General_options::parse_incremental_update): New function.
5091         (General_options::incremental_mode_): New data member.
5092         (General_options::finalize): Check incremental_mode_.
5093         * options.h (General_options): Update help text for --incremental.
5094         Add --no-incremental, --incremental-full, --incremental-update.
5095         (General_options::Incremental_mode): New enum type.
5096         (General_options::incremental_mode): New function.
5097         (General_options::incremental_mode_): New data member.
5098         * parameters.cc (Parameters::incremental_mode_): New data member.
5099         (Parameters::set_options): Set incremental_mode_.
5100         (Parameters::set_incremental_full): New function.
5101         (Parameters::incremental): New function.
5102         (Parameters::incremental_update): New function.
5103         (set_parameters_incremental_full): New function.
5104         * parameters.h (Parameters::set_incremental_full): New function.
5105         (Parameters::incremental): New function.
5106         (Parameters::incremental_update): New function.
5107         (Parameters::incremental_mode_): New data member.
5108         (set_parameters_incremental_full): New function.
5109         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
5110         incremental link mode.
5111         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
5112         (Sized_relobj::do_relocate_sections): Likewise.
5113         * testsuite/Makefile.am (incremental_test): Use --incremental-full
5114         option.
5115         * testsuite/Makefile.in: Regenerate.
5116         * testsuite/incremental_test.sh: Filter all forms of --incremental.
5117
5118 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5119
5120         * script-sections.h (class Script_sections): Make
5121         Sections_elements typedef public.
5122         * script-sections.cc (class Sort_output_sections): Add elements_
5123         field.  Add constructor which sets it; change all callers.
5124         (Sort_output_sections::is_before): New function.
5125         (Sort_output_sections::operator()): Call is_before.
5126         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
5127         conditional.
5128         * testsuite/script_test_10.sh: New test. Test script section
5129         order.
5130         * testsuite/script_test_10.t: Likewise.
5131         * testsuite/script_test_10.s: Likewise.
5132         * testsuite/Makefile.am: Wrap the cross linker tests and the
5133         common tests into NATIVE_OR_CROSS_LINKER.
5134         (check_SCRIPTS): Add script_test_10.sh.
5135         (check_DATA): Add script_test_10.stdout.
5136         (script_test_10.o, script_test_10): New targets.
5137         (script_test_10.stdout): New target.
5138         * configure, testsuite/Makefile.in: Regenerate.
5139
5140 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5141
5142         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
5143         error for the deprecated relocations.
5144         (Target_arm::Scan::global): Likewise.
5145         (Target_arm::Relocate::relocate): Likewise.
5146
5147 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
5148
5149         * fileread.cc (Input_file::find_file): Initialize *found_name
5150         and *namep when using the fallback search for case 4.
5151
5152 2010-10-11  Cary Coutant  <ccoutant@google.com>
5153
5154         * options.h (class General_options): Redefine -z lazy as an alias for
5155         the negation of -z now.
5156
5157 2010-10-11  Ian Lance Taylor  <iant@google.com>
5158
5159         * resolve.cc (symbol_to_bits): Report the value of the unsupported
5160         binding.
5161
5162 2010-10-06  Nick Clifton  <nickc@redhat.com>
5163
5164         * script-sections.cc(class Memory_region): Remove
5165         current_lma_offset_ field.  Rename current_vma_offset_ to
5166         current_offset_.  Add last_section_ field.
5167         (Memory_region::get_current_vma_address): Rename to
5168         get_current_address.
5169         (Memory_region::get_current_lma_address): Delete.
5170         (Memory_region::increment_vma_offset): Rename to
5171         increment_offset.
5172         (Memory_region::increment_lma_offset): Delete.
5173         (Memory_region::attributes_compatible): New method.  Returns
5174         true if the provided section is compatible with the region.
5175         (Memory_region::get_last_section): New method.  Returns the last
5176         section to use the region.
5177         (Memory_region::set_last_section): New method.  Stores the last
5178         section to use the region.
5179         (Script_sections::block_in_region): New method.  Returns true if
5180         a block of memory is contained within a region.
5181         (Script_sections::find_memory_region): New method.  Locates a
5182         memory region to be used to set a VMA or LMA address.
5183         (Output_section_definition::set_section_addresses): Add code to
5184         check for addresses set by memory regions.
5185         (Output_segment::set_section_addresses): Remove memory region
5186         walking code.
5187         (Script_sections::create_segment): Add a warning if a header
5188         segment is created outside of any region.
5189         * script-sections.h (class Script_sections): Add prototypes for
5190         find_memory_region and block_in_region methods.
5191         * testsuite/memory_test.s: Use .long instead of .word.
5192         * testsuite/memory_test.t: Add some more output sections.
5193         * testsuite/memory_test.sh: Update expected output.
5194
5195 2010-10-02  Doug Kwan  <dougkwan@google.com>
5196
5197         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
5198         defintion to symtab.h
5199         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
5200         declaration to defintion.
5201
5202 2010-10-01  Nick Clifton  <nickc@redhat.com>
5203
5204         * expression.cc (eval): Replace dummy argument with NULL.
5205         (eval_maybe_dot): Check for a NULL result section pointer.
5206         (Symbol_expression::value): Likewise.
5207         (Dot_expression::value): Likewise.
5208         (BINARY_EXPRESSION): Likewise.
5209         (Max_expression::value): Likewise.
5210         (Min_expression::value): Likewise.
5211         (Absolute_expression::value): Likewise.
5212         (Addr_expression::value_from_output_section): Likewise.
5213         (Loaddddr_expression::value_from_output_section): Likewise.
5214         (Segment_start_expression::value): Likewise.
5215         * script-sections.cc
5216         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
5217         argument with NULL.
5218         (Sections_elememt_dot_assignment::set_section_addresses):
5219         Likewise.
5220         (Output_data_expression::do_write_to_buffer): Likewise.
5221         (Output_section_definition::finalize_symbols): Likewise.
5222         (Output_section_definition::set_section_addresses): Likewise.
5223
5224 2010-09-30  Doug Kwan  <dougkwan@google.com>
5225
5226         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
5227
5228 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
5229
5230         * target.h (Target::can_icf_inline_merge_sections): New virtual
5231         function.
5232         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
5233         virtual function.
5234         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
5235         virtual function.
5236         * icf.cc (get_section_contents): Inline merge sections only when
5237         target allows it.
5238
5239 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5240
5241         * configure: Regenerate.
5242
5243 2010-09-17  Ian Lance Taylor  <iant@google.com>
5244
5245         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
5246         * testsuite/Makefile.am (memory_test.o): New target.
5247         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
5248         memory_test.t.
5249         * testsuite/Makefile.in: Rebuild.
5250
5251 2010-09-17  Doug Kwan  <dougkwan@google.com>
5252
5253         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
5254         defintion if relocation uses GOT entries of the symbol.
5255         * testsuite/icf_safe_test.sh: Fix test.
5256         * testsuite/icf_safe_so_test.sh: Fix test.
5257
5258 2010-09-16  Cary Coutant  <ccoutant@google.com>
5259
5260         * script_sections.cc (class Memory_region): Remove "NULL" from
5261         vector initializations.
5262
5263 2010-09-15  Cary Coutant  <ccoutant@google.com>
5264
5265         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
5266         Resolve forwarding symbols.
5267
5268 2010-09-15  Doug Kwan  <dougkwan@google.com>
5269
5270         * gold/testsuite/script_test_3.t: Add ARM special sections.
5271         * gold/testsuite/script_test_4.t: Same.
5272         * gold/testsuite/script_test_5.t: Same.
5273         * gold/testsuite/script_test_6.t: Same.
5274         * gold/testsuite/script_test_7.t: Same.
5275         * gold/testsuite/script_test_7.t: Same.
5276         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
5277
5278 2010-09-14  Cary Coutant  <ccoutant@google.com>
5279
5280         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
5281         (Target_x86_64::Relocate::relocate_tls): Replace check for
5282         saw_tls_block_reloc_ with test for executable section.
5283
5284 2010-09-12  Cary Coutant  <ccoutant@google.com>
5285
5286         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
5287         position-independent executables to shared libraries need dynamic
5288         relocations.
5289         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
5290         position-independent executables.
5291         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
5292         * testsuite/Makefile.in: Regenerate.
5293
5294 2010-09-10  Nick Clifton  <nickc@redhat.com>
5295
5296         PR gold/11997
5297         * testsuite/memory_test.t: Discard any sections that are not
5298         needed.
5299
5300 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
5301
5302         PR gold/11996
5303         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
5304         "This::" to work around a bug in gcc 4.2.
5305
5306         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
5307
5308 2010-09-09  Rafael Espindola  <espindola@google.com>
5309
5310         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
5311         sections with different PF_X flags in the same segment.
5312         (Layout::find_first_load_seg): Search all segments to find the first
5313         one.
5314         * options.h (rosegment): New.
5315
5316 2010-09-08  Rafael Espindola  <espindola@google.com>
5317
5318         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
5319
5320 2010-09-08  Doug Kwan  <dougkwan@google.com>
5321
5322         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
5323         (Arm_relobj::do_relocate_sections): Add new parameter for output
5324         file to match the parent.
5325         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
5326         of local symbols instead of input values.  Update code to track
5327         changes in gold::relocate_section.
5328         * object.cc (Sized_relobj::compute_final_local_value): New methods.
5329         (Sized_relobj::compute_final_local_value_internal): New methods.
5330         (Sized_relobj::do_finalize_local_symbols): Move code from loop
5331         body into private version of Sized_relobj::compute_final_local_value.
5332         Call the inline method.
5333         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
5334         merged symbol value if there is one.
5335         (Symbol_value::has_output_value): New method defintiion.
5336         (Sized_relobj::Compute_final_local_value_status): New enum type.
5337         (Sized_relobj::compute_final_local_value): New methods.
5338         (Sized_relobj::compute_final_local_value_internal): New methods.
5339         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
5340         and arm_cortex_a8.sh.
5341         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
5342         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
5343         New tests.
5344         * Makefile.in: Regenerate.
5345         * testsuite/arm_bl_out_of_range.s: Update test.
5346         * testsuite/thumb_bl_out_of_range.s: Ditto.
5347         * testsuite/thumb_blx_out_of_range.s: Ditto.
5348         * testsuite/arm_branch_out_of_range.sh: New file.
5349         * testsuite/arm_cortex_a8.sh: Ditto.
5350         * testsuite/arm_cortex_a8_b.s: Ditto.
5351         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
5352         * testsuite/arm_cortex_a8_b_local.s: Ditto.
5353         * testsuite/arm_cortex_a8_bl.s: Ditto.
5354         * testsuite/arm_cortex_a8_blx.s: Ditto.
5355         * testsuite/arm_cortex_a8_local.s: Ditto.
5356         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
5357         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
5358
5359 2010-09-08  Rafael Espindola  <espindola@google.com>
5360
5361         * Makefile.am (memory_test.stdout): Run readelf with -W.
5362         * Makefile.in: Regenerate.
5363         * testsuite/memory_test.sh: Make the regexps accept both 32 and
5364         64 bit output.
5365
5366 2010-09-08  Rafael Espindola  <espindola@google.com>
5367
5368         * script-sections.cc (Script_sections::add_memory_region): Convert
5369         field precision to int.
5370         * script.cc (script_set_section_region, script_set_section_region):
5371         Convert field precision to int.
5372
5373 2010-09-08  Rafael Espindola  <espindola@google.com>
5374
5375         * arm.cc (do_finalize_sections): Create the __exidx_start and
5376         __exdix_end symbols even when the section is missing.
5377
5378 2010-09-08  Nick Clifton  <nickc@redhat.com>
5379
5380         * README: Remove claim that MEMORY is not supported.
5381         * expression.cc (script_exp_function_origin)
5382         (script_exp_function_length): Move from here to ...
5383         * script.cc: ... here.
5384         (script_set_section_region, script_add_memory)
5385         (script_parse_memory_attr, script_include_directive): New
5386         functions.
5387         * script-sections.cc
5388         (class Memory_region): New class.
5389         (class Output_section_definition): Add set_memory_region,
5390         set_section_vma, set_section_lma and get_section_name methods.
5391         (class Script_Sections): Add add_memory_region,
5392         find_memory_region, find_memory_region_origin,
5393         find_memory_region_length and set_memory_region methods.
5394         Have set_section_addresses method walk the list of set memory
5395         regions.
5396         Extend the print methos to display memory regions.
5397         * script-sections.h: Add prototypes for new methods.
5398         Add enum for MEMORY region attributes.
5399         * yyscript.y: Add support for parsing MEMORY regions.
5400         * script-c.h: Add prototypes for new functions.
5401         * testsuite/Makefile.am: Add test of MEMORY region functionality.
5402         * testsuite/Makefile.in: Regenerate.
5403         * testsuite/memory_test.sh: New script.
5404         * testsuite/memory_test.s: New assembler source file.
5405         * testsuite/memory_test.t: New linker script.
5406
5407 2010-08-27  Doug Kwan  <dougkwan@google.com>
5408
5409         * gold/resolve.cc (Symbol_table::should_override): Let a weak
5410         reference override an existing dynamic weak reference.
5411         * testsuite/Makefile.am: Add new test dyn_weak_ref.
5412         * testsuite/Makefile.in: Regenerate.
5413         * testsuite/dyn_weak_ref.sh: New file.
5414         * testsuite/dyn_weak_ref_1.c: Ditto.
5415         * testsuite/dyn_weak_ref_2.c: Ditto.
5416
5417 2010-08-27  Ian Lance Taylor  <iant@google.com>
5418
5419         * incremental.h (class Incremental_input_entry): Add virtual
5420         destructor.
5421
5422 2010-08-27  Ian Lance Taylor  <iant@google.com>
5423
5424         * testsuite/start_lib_test_3.c: Mark t3 as used.
5425
5426 2010-08-27  Nick Clifton  <nickc@redhat.com>
5427
5428         * options.cc (version_script): Fix small typo in previous
5429         whitespace tidyup.
5430
5431 2010-08-25  Nick Clifton  <nickc@redhat.com>
5432
5433         * archive.cc: Formatting fixes: Remove whitespace between
5434         typename and following asterisk.  Remove whitespace between
5435         function name and opening parenthesis.
5436         * archive.h: Likewise.
5437         * arm.cc: Likewise.
5438         * attributes.cc: Likewise.
5439         * attributes.h: Likewise.
5440         * common.cc: Likewise.
5441         * copy-relocs.cc: Likewise.
5442         * dirsearch.h: Likewise.
5443         * dynobj.cc: Likewise.
5444         * ehframe.cc: Likewise.
5445         * ehframe.h: Likewise.
5446         * expression.cc: Likewise.
5447         * fileread.cc: Likewise.
5448         * fileread.h: Likewise.
5449         * gc.h: Likewise.
5450         * gold-threads.cc: Likewise.
5451         * gold.cc: Likewise.
5452         * i386.cc: Likewise.
5453         * icf.h: Likewise.
5454         * incremental-dump.cc: Likewise.
5455         * incremental.cc: Likewise.
5456         * layout.cc: Likewise.
5457         * layout.h: Likewise.
5458         * main.cc: Likewise.
5459         * merge.cc: Likewise.
5460         * merge.h: Likewise.
5461         * object.cc: Likewise.
5462         * object.h: Likewise.
5463         * options.cc: Likewise.
5464         * options.h: Likewise.
5465         * output.cc: Likewise.
5466         * output.h: Likewise.
5467         * plugin.cc: Likewise.
5468         * plugin.h: Likewise.
5469         * powerpc.cc: Likewise.
5470         * reloc.cc: Likewise.
5471         * script-c.h: Likewise.
5472         * script-sections.cc: Likewise.
5473         * script.cc: Likewise.
5474         * stringpool.cc: Likewise.
5475         * symtab.cc: Likewise.
5476         * symtab.h: Likewise.
5477         * target.cc: Likewise.
5478         * timer.cc: Likewise.
5479         * timer.h: Likewise.
5480         * version.cc: Likewise.
5481         * x86_64.cc: Likewise.
5482
5483 2010-08-24  Nick Clifton  <nickc@redhat.com>
5484
5485         PR 11899
5486         * layout.cc (segment_precedes): Sort segments by their physical
5487         addresses, if they have been set.
5488
5489 2010-08-23  Cary Coutant  <ccoutant@google.com>
5490
5491         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
5492         symbols data.
5493         (Lib_group::include_member): Unlock object after deleting its
5494         symbols data.
5495         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
5496         the bug fixed here.
5497
5498 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
5499             Cary Coutant  <ccoutant@google.com>
5500
5501         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
5502         constructor, and set_blocker.
5503         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
5504         readsyms_blocker_.
5505         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
5506         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
5507         * testsuite/Makefile.am (start_lib_test): New test case.
5508         * testsuite/Makefile.in: Regenerate.
5509         * testsuite/start_lib_test_main.c: New file.
5510         * testsuite/start_lib_test_1.c: New file.
5511         * testsuite/start_lib_test_2.c: New file.
5512         * testsuite/start_lib_test_3.c: New file.
5513
5514 2010-08-19  Ian Lance Taylor  <iant@google.com>
5515
5516         * Makefile.in: Rebuild with automake 1.11.1.
5517         * aclocal.m4: Likewise.
5518         * testsuite/Makefile.in: Likewise.
5519
5520 2010-08-19  Ian Lance Taylor  <iant@google.com>
5521
5522         PR 10893
5523         * i386.cc (class Output_data_plt_i386): Update declarations.
5524         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
5525         local_ifuncs_ fields.
5526         (Target_i386::do_plt_section_for_global): New function.
5527         (Target_i386::do_plt_section_for_local): New function.
5528         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
5529         parameter; change all callers.  Initialize global_ifuncs_ and
5530         local_ifuncs_.  If doing a static link define __rel_iplt_start and
5531         __rel_iplt_end.
5532         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
5533         (Output_data_plt_i386::add_local_ifunc_entry): New function.
5534         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
5535         symbols.
5536         (Target_i386::make_plt_section): New function, broken out of
5537         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
5538         (Target_i386::make_plt_entry): Call make_plt_section.
5539         (Target_i386::make_local_ifunc_plt_entry): New function.
5540         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
5541         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
5542         R_386_IRELATIVE to switch.
5543         (Target_i386::Scan::global): Likewise.
5544         (Target_i386::Relocate::relocate): Likewise.
5545         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
5546         switch.
5547         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
5548         (Target_x86_64::do_plt_section_for_global): New function.
5549         (Target_x86_64::do_plt_section_for_local): New function.
5550         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
5551         parameter; change all callers.  If doing a static link define
5552         __rela_iplt_start and __rela_iplt_end.
5553         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
5554         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
5555         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
5556         to point to .plt.
5557         (Target_x86_64::make_local_ifunc_plt_entry): New function.
5558         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
5559         switch.
5560         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
5561         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
5562         R_X86_64_IRELATIVE to switch.
5563         (Target_x86_64::Scan::global): Likewise.
5564         (Target_x86_64::Relocate::relocate): Likewise.
5565         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
5566         switch.
5567         * target.h (class Target): Add plt_section_for_global and
5568         plt_section_for_local functions.  Add do_plt_section_for_global
5569         and do_plt_section_for_local virtual functions.
5570         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
5571         clarifying comments.
5572         (Symbol::use_plt_offset): Handle IFUNC symbol.
5573         * object.cc (Sized_relobj::Sized_relobj): Initialize
5574         local_plt_offsets_.
5575         (Sized_relobj::local_has_plt_offset): New function.
5576         (Sized_relobj::local_plt_offset): New function.
5577         (Sized_relobj::set_local_plt_offset): New function.
5578         (Sized_relobj::do_count): Handle IFUNC symbol.
5579         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
5580         a bit away from input_shndx_ field.  Add set_is_func_symbol and
5581         is_ifunc_symbol functions.
5582         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
5583         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
5584         local_plt_offsets_ field.
5585         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
5586         * output.h (class Output_section_data): Add non-const
5587         output_section function.
5588         (class Output_data_got): Update declarations.
5589         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
5590         Add use_plt_offset parameter to global and local constructors.
5591         Change all callers.  Change local_sym_index_ field to 31 bits.
5592         Change GSYM_CODE and CONSTANT_CODE accordingly.
5593         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
5594         doing a static link don't set sh_link field.
5595         (Output_data_got::Got_entry::write): Use PLT offset if
5596         appropriate.
5597         (Output_data_got::add_global_plt): New function.
5598         (Output_data_got::add_local_plt): New function.
5599         * target-reloc.h (relocate_section): Handle IFUNC symbol.
5600         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
5601         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
5602         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
5603         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
5604         IFUNC conditional.
5605         * testsuite/ifunc-sel.h: New file.
5606         * testsuite/ifuncmain1.c: New file.
5607         * testsuite/ifuncmain1vis.c: New file.
5608         * testsuite/ifuncmod1.c: New file.
5609         * testsuite/ifuncdep2.c: New file.
5610         * testsuite/ifuncmain2.c: New file.
5611         * testsuite/ifuncmain3.c: New file.
5612         * testsuite/ifuncmod3.c: New file.
5613         * testsuite/ifuncmain4.c: New file.
5614         * testsuite/ifuncmain5.c: New file.
5615         * testsuite/ifuncmod5.c: New file.
5616         * testsuite/ifuncmain6pie.c: New file.
5617         * testsuite/ifuncmod6.c: New file.
5618         * testsuite/ifuncmain7.c: New file.
5619         * configure, testsuite/Makefile.in: Rebuild.
5620
5621 2010-08-18  Ian Lance Taylor  <iant@google.com>
5622
5623         * incremental.cc
5624         (Output_section_incremental_inputs::write_input_files): Add cast
5625         to avoid signed/unsigned comparison warning.
5626         (Output_section_incremental_inputs::write_info_blocks): Likewise.
5627
5628 2010-08-12  Cary Coutant  <ccoutant@google.com>
5629
5630         * common.cc (Sort_commons::operator()): Remove unnecessary code.
5631
5632 2010-08-13  Ian Lance Taylor  <iant@google.com>
5633
5634         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
5635
5636 2010-08-12  Cary Coutant  <ccoutant@google.com>
5637             Doug Kwan  <dougkwan@google.com>
5638
5639         * resolve.cc (Symbol_table::should_override): When a weak dynamic
5640         defintion overrides non-weak undef, remember that the original undef
5641         is not weak.
5642         * symtab.cc (Symbol_table::sized_write_global): For undef without
5643         an original weak binding, set binding to global in output.
5644         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
5645         * testsuite/Makefile.in: Regenerate.
5646         * testsuite/strong_ref_weak_def.sh: New file.
5647         * testsuite/strong_ref_weak_def_1.c: Ditto.
5648         * testsuite/strong_ref_weak_def_2.c: Ditto.
5649
5650 2010-08-12  Cary Coutant  <ccoutant@google.com>
5651
5652         * testsuite/incremental_test.sh: Rewrite.
5653         * testsuite/incremental_test_1.c: Rewrite.
5654         * testsuite/incremental_test_2.c: Rewrite.
5655
5656 2010-08-12  Cary Coutant  <ccoutant@google.com>
5657
5658         * arm.cc (Target_arm::got_size): Add const.
5659         (Target_arm::got_entry_count): New function.
5660         (Target_arm::plt_entry_count): New function.
5661         (Target_arm::first_plt_entry_offset): New function.
5662         (Target_arm::plt_entry_size): New function.
5663         (Output_data_plt_arm::entry_count): New function.
5664         (Output_data_plt_arm::first_plt_entry_offset): New function.
5665         (Output_data_plt_arm::get_plt_entry_size): New function.
5666         * i386.cc (Target_i386::got_size): Add const.
5667         (Target_i386::got_entry_count): New function.
5668         (Target_i386::plt_entry_count): New function.
5669         (Target_i386::first_plt_entry_offset): New function.
5670         (Target_i386::plt_entry_size): New function.
5671         (Output_data_plt_i386::entry_count): New function.
5672         (Output_data_plt_i386::first_plt_entry_offset): New function.
5673         (Output_data_plt_i386::get_plt_entry_size): New function.
5674         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
5675         find_incremental_inputs_sections.  Dump incremental_got_plt section.
5676         * incremental.cc: Include target.h.
5677         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
5678         parameter.  Adjust all callers.  Find incremental_got_plt section.
5679         (Incremental_inputs::create_data_sections): Create incremental_got_plt
5680         section.
5681         (Output_section_incremental_inputs::set_final_data_size): Calculate
5682         size of incremental_got_plt section.
5683         (Output_section_incremental_inputs::do_write): Write the
5684         incremental_got_plt section.
5685         (Got_plt_view_info): New struct.
5686         (Local_got_offset_visitor): New class.
5687         (Global_got_offset_visitor): New class.
5688         (Global_symbol_visitor_got_plt): New class.
5689         (Output_section_incremental_inputs::write_got_plt): New function.
5690         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
5691         Add parameter.  Adjust all callers.
5692         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5693         (Incremental_inputs::got_plt_section): New function.
5694         (Incremental_inputs::got_plt_section_): New data member.
5695         (Incremental_got_plt_reader): New class.
5696         * layout.cc (Layout::create_incremental_info_sections): Add the
5697         incremental_got_plt section.
5698         * object.h (Got_offset_list::get_list): New function.
5699         (Got offset_list::for_all_got_offsets): New function.
5700         (Sized_relobj::local_got_offset_list): New function.
5701         * powerpc.cc (Target_powerpc::got_size): Add const.
5702         (Target_powerpc::got_entry_count): New function.
5703         (Target_powerpc::plt_entry_count): New function.
5704         (Target_powerpc::first_plt_entry_offset): New function.
5705         (Target_powerpc::plt_entry_size): New function.
5706         (Output_data_plt_powerpc::entry_count): New function.
5707         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
5708         (Output_data_plt_powerpc::get_plt_entry_size): New function.
5709         * sparc.cc (Target_sparc::got_size): Add const.
5710         (Target_sparc::got_entry_count): New function.
5711         (Target_sparc::plt_entry_count): New function.
5712         (Target_sparc::first_plt_entry_offset): New function.
5713         (Target_sparc::plt_entry_size): New function.
5714         (Output_data_plt_sparc::entry_count): New function.
5715         (Output_data_plt_sparc::first_plt_entry_offset): New function.
5716         (Output_data_plt_sparc::get_plt_entry_size): New function.
5717         * symtab.h (Symbol::got_offset_list): New function.
5718         (Symbol_table::for_all_symbols): New function.
5719         * target.h (Sized_target::got_entry_count): New function.
5720         (Sized_target::plt_entry_count): New function.
5721         (Sized_target::plt_entry_size): New function.
5722         * x86_64.cc (Target_x86_64::got_size): Add const.
5723         (Target_x86_64::got_entry_count): New function.
5724         (Target_x86_64::plt_entry_count): New function.
5725         (Target_x86_64::first_plt_entry_offset): New function.
5726         (Target_x86_64::plt_entry_size): New function.
5727         (Output_data_plt_x86_64::entry_count): New function.
5728         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
5729         (Output_data_plt_x86_64::get_plt_entry_size): New function.
5730
5731 2010-08-12  Cary Coutant  <ccoutant@google.com>
5732
5733         * archive.cc: Include incremental.h.
5734         (Archive::Archive): Initialize incremental_info_.
5735         (Archive::include_member): Record archive members in incremental info.
5736         (Add_archive_symbols::run): Record begin and end of an archive in
5737         incremental info.
5738         (Lib_group::include_member): Record objects in incremental info.
5739         * archive.h (Incremental_archive_entry): Forward declaration.
5740         (Archive::set_incremental_info): New member function.
5741         (Archive::incremental_info): New member function.
5742         (Archive::Unused_symbol_iterator): New class.
5743         (Archive::unused_symbols_begin): New member function.
5744         (Archive::unused_symbols_end): New member function.
5745         (Archive::incremental_info_): New data member.
5746         * incremental-dump.cc (find_input_containing_global): New function.
5747         (dump_incremental_inputs): Dump new incremental info sections.
5748         * incremental.cc: Include symtab.h.
5749         (Output_section_incremental_inputs): New class.
5750         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
5751         new incremental info sections.
5752         (Sized_incremental_binary::do_check_inputs): Likewise.
5753         (Incremental_inputs::report_archive): Remove.
5754         (Incremental_inputs::report_archive_begin): New function.
5755         (Incremental_inputs::report_archive_end): New function.
5756         (Incremental_inputs::report_object): New function.
5757         (Incremental_inputs::finalize_inputs): Remove.
5758         (Incremental_inputs::report_input_section): New function.
5759         (Incremental_inputs::report_script): Rewrite.
5760         (Incremental_inputs::finalize): Do nothing but finalize string table.
5761         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5762         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5763         (Incremental_inputs::create_data_sections): New function.
5764         (Incremental_inputs::relocs_entsize): New function.
5765         (Output_section_incremental_inputs::set_final_data_size): New function.
5766         (Output_section_incremental_inputs::do_write): New function.
5767         (Output_section_incremental_inputs::write_header): New function.
5768         (Output_section_incremental_inputs::write_input_files): New function.
5769         (Output_section_incremental_inputs::write_info_blocks): New function.
5770         (Output_section_incremental_inputs::write_symtab): New function.
5771         * incremental.h (Incremental_script_entry): Forward declaration.
5772         (Incremental_object_entry): Forward declaration.
5773         (Incremental_archive_entry): Forward declaration.
5774         (Incremental_inputs): Forward declaration.
5775         (Incremental_inputs_header_data): Remove.
5776         (Incremental_inputs_header): Remove.
5777         (Incremental_inputs_header_write): Remove.
5778         (Incremental_inputs_entry_data): Remove.
5779         (Incremental_inputs_entry): Remove.
5780         (Incremental_inputs_entry_write): Remove.
5781         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
5782         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
5783         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5784         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
5785         Likewise.
5786         (Incremental_input_entry): New class.
5787         (Incremental_script_entry): New class.
5788         (Incremental_object_entry): New class.
5789         (Incremental_archive_entry): New class.
5790         (Incremental_inputs::Incremental_inputs): Initialize new data members.
5791         (Incremental_inputs::report_inputs): Remove.
5792         (Incremental_inputs::report_archive): Remove.
5793         (Incremental_inputs::report_archive_begin): New function.
5794         (Incremental_inputs::report_archive_end): New function.
5795         (Incremental_inputs::report_object): Change prototype.
5796         (Incremental_inputs::report_input_section): New function.
5797         (Incremental_inputs::report_script): Change prototype.
5798         (Incremental_inputs::get_reloc_count): New function.
5799         (Incremental_inputs::set_reloc_count): New function.
5800         (Incremental_inputs::create_data_sections): New function.
5801         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5802         (Incremental_inputs::inputs_section): New function.
5803         (Incremental_inputs::symtab_section): New function.
5804         (Incremental_inputs::relocs_section): New function.
5805         (Incremental_inputs::get_stringpool): Add const.
5806         (Incremental_inputs::command_line): Add const.
5807         (Incremental_inputs::inputs): Remove.
5808         (Incremental_inputs::command_line_key): New function.
5809         (Incremental_inputs::input_file_count): New function.
5810         (Incremental_inputs::input_files): New function.
5811         (Incremental_inputs::relocs_entsize): New function.
5812         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5813         (Incremental_inputs::finalize_inputs): Remove.
5814         (Incremental_inputs::Input_info): Remove.
5815         (Incremental_inputs::lock_): Remove.
5816         (Incremental_inputs::inputs_): Change type.
5817         (Incremental_inputs::inputs_map_): Remove.
5818         (Incremental_inputs::current_object_entry_): New data member.
5819         (Incremental_inputs::inputs_section_): New data member.
5820         (Incremental_inputs::symtab_section_): New data member.
5821         (Incremental_inputs::relocs_section_): New data member.
5822         (Incremental_inputs::reloc_count_): New data member.
5823         (Incremental_inputs_reader): New class.
5824         (Incremental_symtab_reader): New class.
5825         (Incremental_relocs_reader): New class.
5826         * layout.cc (Layout::finalize): Move finalization of incremental info
5827         and creation of incremental info sections to follow finalization of
5828         symbol table.  Set offsets for postprocessing sections.
5829         (Layout::create_incremental_info_sections): Call
5830         Incremental_inputs::create_data_sections.  Add incremental symtab
5831         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
5832         sections to layout after input sections.
5833         * layout.h (struct Timespec): Forward declaration.
5834         (Layout::incremental_inputs): Add const.
5835         (Layout::create_incremental_info_sections): Add parameter.
5836         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
5837         * object.cc: Include incremental.h.
5838         (Relobj::finalize_incremental_relocs): New function.
5839         (Sized_relobj::do_layout): Record input sections in incremental info.
5840         * object.h (Object::output_section): New function.
5841         (Object::output_section_offset): Moved from Relobj.
5842         (Object::get_incremental_reloc_base): New function.
5843         (Object::get_incremental_reloc_count): New function.
5844         (Object::do_output_section): New function.
5845         (Object::do_output_section_offset): Moved from Relobj.
5846         (Object::do_get_incremental_reloc_base): New function.
5847         (Object::do_get_incremental_reloc_count): New function.
5848         (Object::Object): Initialize new data members.
5849         (Relobj::output_section): Renamed do_output_section and moved to
5850         protected.
5851         (Relobj::output_section_offset): Moved to Object.
5852         (Relobj::do_get_incremental_reloc_base): New function.
5853         (Relobj::do_get_incremental_reloc_count): New function.
5854         (Relobj::allocate_incremental_reloc_counts): New function.
5855         (Relobj::count_incremental_reloc): New function.
5856         (Relobj::finalize_incremental_relocs): New function.
5857         (Relobj::next_incremental_reloc_index): New function.
5858         (Relobj::reloc_counts_): New data member.
5859         (Relobj::reloc_bases_): New data member.
5860         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
5861         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
5862         (Sized_relobj::incremental_relocs_scan): New function.
5863         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5864         (Sized_relobj::incremental_relocs_write): New function.
5865         (Sized_relobj::incremental_relocs_write_reltype): New function.
5866         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
5867         incremental link.
5868         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
5869         archives and object files elsewhere.
5870         (Add_symbols::run): Report object files here.
5871         (Finish_group::run): Report end of archive at end of group.
5872         * reloc.cc: Include layout.h, incremental.h.
5873         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
5874         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
5875         (Sized_relobj::incremental_relocs_scan): New function.
5876         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5877         (Sized_relobj::do_relocate_sections): Write incremental relocations.
5878         (Sized_relobj::incremental_relocs_write): New function.
5879         (Sized_relobj::incremental_relocs_write_reltype): New function.
5880         * script.cc (read_input_script): Rewrite test for incremental link.
5881         Change call to Incremental_inputs::report_script.
5882         * symtab.h (Symbol_table::first_global_index): New function.
5883         (Symbol_table::output_count): New function.
5884
5885 2010-08-12  Doug Kwan  <dougkwan@google.com>
5886
5887         * arm.cc (Target_arm::merge_object_attributes): Check command line
5888         options --no-wchar-size-warning and --no-enum-size-warning.
5889         * options.h (General_options): Add ld-compatible options
5890         --no-enum-size-warning and --no-wchar-size-warning.
5891
5892 2010-08-04  Ian Lance Taylor  <iant@google.com>
5893
5894         * x86_64.cc (Target_x86_64::Scan::local): Use
5895         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
5896         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
5897         (Target_x86_64::Scan::global): Likewise.
5898         (Target_x86_64::Relocate::relocate): Likewise.
5899         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
5900         Likewise.
5901
5902 2010-08-03  Cary Coutant  <ccoutant@google.com>
5903
5904         * merge.cc (Output_merge_string::do_add_input_section): Count strings
5905         to reserve space in merged_strings vector. Keep total input size
5906         for stats.
5907         (Output_merge_string::do_print_merge_stats): Print total input size.
5908         * merge.h (Output_merge_string): Add input_size_ field.
5909         * stringpool.cc (Stringpool_template::string_length): Move
5910         implementations out of Stringpool_template class and place in
5911         stringpool.h.
5912         * stringpool.h (string_length): Move out of Stringpool_template.
5913
5914 2010-08-03  Ian Lance Taylor  <iant@google.com>
5915
5916         PR 11712
5917         * layout.cc (relaxation_loop_body): If address of load segment is
5918         set, adjust address to include headers if possible.
5919
5920 2010-08-03  Ian Lance Taylor  <iant@google.com>
5921
5922         * version.cc (version_string): Bump to 1.10.
5923
5924 2010-08-03  Ian Lance Taylor  <iant@google.com>
5925
5926         PR 11805
5927         * layout.h (enum Output_section_order): Define.
5928         (class Layout): Update declarations.
5929         * layout.cc (Layout::get_output_section): Add order parameter.
5930         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
5931         is_first_non_relro parameters.  Change all callers.
5932         (Layout::choose_output_section): Likewise.
5933         (Layout::add_output_section_data): Likewise.
5934         (Layout::make_output_section): Likewise.  Set order.
5935         (Layout::default_section_order): New function.
5936         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
5937         * output.cc (Output_section::Output_section): Initialize order_.
5938         Don't initialize deleted fields.
5939         (Output_segment::Output_segment): Don't initialize deleted
5940         fields.
5941         (Output_segment::add_output_section_to_load): New function
5942         replacing add_output_section.  Change all callers to call this or
5943         add_output_section_to_nonload.
5944         (Output_segment::add_output_section_to_nonload): New function.
5945         (Output_segment::remove_output_section): Rewrite.
5946         (Output_segment::add_initial_output_data): Likewise.
5947         (Output_segment::has_any_data_sections): Likewise.
5948         (Output_segment::is_first_section_relro): Likewise.
5949         (Output_segment::maximum_alignment): Likewise.
5950         (Output_segment::has_dynamic_reloc): New function replacing
5951         dynamic_reloc_count.  Change all callers.
5952         (Output_segment::has_dynamic_reloc_list): New function replacing
5953         dynamic_reloc_count_list.  Change all callers.
5954         (Output_segment::set_section_addresses): Rewrite.
5955         (Output_segment::set_offset): Rewrite.
5956         (Output_segment::find_first_and_last_list): Remove.
5957         (Output_segment::set_tls_offsets): Rewrite.
5958         (Output_segment::first_section_load_address): Likewise.
5959         (Output_segment::output_section_count): Likewise.
5960         (Output_segment::section_with_lowest_load_address): Likewise.
5961         (Output_segment::write_section_headers): Likewise.
5962         (Output_segment::print_sections_to_map): Likewise.
5963         * output.h (class Output_data): Remove dynamic_reloc_count_
5964         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
5965         (Output_data::add_dynamic_reloc): Rewrite.
5966         (Output_data::has_dynamic_reloc): New function.
5967         (Output_data::dynamic_reloc_count): Remove.
5968         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
5969         is_last_relro_, is_first_non_relro_, is_interp_,
5970         is_dynamic_linker_section_ fields.  Add order and set_order
5971         functions.  Remove is_relro_local, set_is_relro_local,
5972         is_last_relro, set_is_last_relro, is_first_non_relro,
5973         set_is_first_non_relro functions, is_interp, set_is_interp,
5974         is_dynamic_linker_section, and set_is_dynamic_linker_section
5975         functions.
5976         (class Output_segment): Change Output_data_list from std::list to
5977         std:;vector.  Add output_lists_ field.  Remove output_data_ and
5978         output_bss_ fields.  Update declarations.
5979
5980 2010-08-02  Ian Lance Taylor  <iant@google.com>
5981
5982         * arm.cc (Target_arm::gc_process_relocs): Use typename.
5983         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
5984         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
5985
5986 2010-08-02  Ian Lance Taylor  <iant@google.com>
5987
5988         PR 11855
5989         * script.cc (Script_options::Script_options): Initialize
5990         symbol_definitions_ and symbol_references_.
5991         (Script_options::add_symbol_assignment): Update
5992         symbol_definitions_ and symbol_references_.
5993         (Script_options::add_symbol_reference): New function.
5994         (script_symbol): New function.
5995         * script.h (class Script_options): Add symbol_definitions_ and
5996         symbol_references_ fields.
5997         (Script_options::referenced_const_iterator): New type.
5998         (Script_options::referenced_begin): New function.
5999         (Script_options::referenced_end): New function.
6000         (Script_options::is_referenced): New function.
6001         (Script_options::any_unreferenced): New function.
6002         * script-c.h (script_symbol): Declare.
6003         * yyscript.y (exp): Call script_symbol.
6004         * symtab.cc: Include "script.h".
6005         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
6006         Change all callers.  Check symbols referenced by scripts.
6007         (Symbol_table::add_undefined_symbols_from_command_line): Add
6008         layout parameter.  Change all callers.
6009         (Symbol_table::do_add_undefined_symbols_from_command_line):
6010         Likewise.  Break out loop body.  Check symbols referenced by
6011         scripts.
6012         (Symbol_table::add_undefined_symbol_from_command_line): New
6013         function broken out of
6014         do_add_undefined_symbols_from_command_line.
6015         * symtab.h (class Symbol_table): Update declarations.
6016         * archive.cc: Include "layout.h".
6017         (Archive::should_include_member): Add layout parameter.  Change
6018         all callers.  Check for symbol mentioned in expression.
6019         * archive.h (class Archive): Update declaration.
6020         * object.cc (Sized_relobj::do_should_include_member): Add layout
6021         parameter.
6022         * object.h (Object::should_include_member): Add layout parameter.
6023         Change all callers.
6024         (Object::do_should_include_member): Add layout parameter.
6025         (class Sized_relobj): Update declaration.
6026         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
6027         parameter.
6028         * dynobj.h (class Sized_dynobj): Update declaration.
6029         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
6030         layout parameter.
6031         * plugin.h (class Sized_pluginobj): Update declaration.
6032
6033 2010-08-02  Ian Lance Taylor  <iant@google.com>
6034
6035         PR 11866
6036         * output.cc (Output_segment::set_offset): Search for the first and
6037         last sections rather than assuming that the list is in order.
6038         (Output_segment::find_first_and_last_list): New function.
6039         * output.h (class Output_segment): Update declarations.
6040         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
6041         (relro_strip_test_SOURCES): New variable.
6042         (relro_strip_test_DEPENDENCIES): New variable.
6043         (relro_strip_test_LDFLAGS): New variable.
6044         (relro_strip_test_LDADD): New variable.
6045         (relro_strip_test.so): New target.
6046
6047 2010-08-02  Ian Lance Taylor  <iant@google.com>
6048
6049         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
6050         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
6051         (Target_i386::got_tlsdesc_section): New function.
6052         (Target_i386::got_section): Create space for GOT entries for
6053         TLSDESC relocations.
6054         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
6055         R_386_TLS_GOTDESC.
6056         (Target_i386::Scan::global): Likewise.
6057         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
6058         using TLSDESC GOT.
6059         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
6060         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
6061         (Target_x86_64::got_tlsdesc_section): New function.
6062         (Target_x86_64::got_section): Create space for GOT entries for
6063         TLSDESC relocations.
6064         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
6065         R_386_TLS_GOTDESC.
6066         (Target_x86_64::Scan::global): Likewise.
6067         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
6068         using TLSDESC GOT.
6069
6070 2010-08-02  Ian Lance Taylor  <iant@google.com>
6071
6072         * testsuite/final_layout.sh: Use dc to convert from hex to
6073         decimal.
6074
6075 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
6076
6077         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
6078         paramter to the call to gold::gc_process_relocs.
6079         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
6080         paramter to the call to gold::gc_process_relocs.
6081         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
6082         parameter to the call to gold::gc_process_relocs.
6083         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
6084         template parameter to the call to gold::gc_process_relocs.
6085         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
6086         paramter to the call to gold::gc_process_relocs.
6087         * gc.h (get_embedded_addend_size): New function.
6088         (gc_process_relocs): Save the size of the reloc for use by ICF.
6089         * icf.cc (get_section_contents): Get the addend from the text section
6090         for SHT_REL relocation sections.
6091         * icf.h (Icf::Reloc_addend_size_info): New typedef.
6092         (Icf::Reloc_info): Add new member reloc_addend_size_info.
6093         * int_encoding.h (read_from_pointer): New overloaded function.
6094         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
6095         * testsuite/icf_sht_rel_addend_test.sh: New file.
6096         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
6097         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
6098
6099 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6100
6101         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
6102         * Makefile.in: Regenerate.
6103         * testsuite/Makefile.in: Regenerate.
6104
6105 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
6106
6107         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
6108         * gold/testsuite/debug_msg.cc: Likewise.
6109         * gold/testsuite/odr_violation1.cc
6110         * gold/testsuite/odr_violation2.cc
6111
6112 2010-07-21  Cary Coutant  <ccoutant@google.com>
6113
6114         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
6115         string, and length fields.
6116         (Output_merge_string::Merged_strings_list): New type.
6117         (Output_merge_string::Merged_strings_lists): New typedef.
6118         (Output_merge_string): Replace merged_strings_ with
6119         merged_strings_lists_.
6120         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
6121         Merged_strings_list per input object and section.  Don't store pointer
6122         to the string.  Don't store length with each merged string entry.
6123         (Output_merge_string::finalize_merged_data): Loop over list of merged
6124         strings lists.  Recompute length of each merged string.
6125
6126 2010-07-15  Cary Coutant  <ccoutant@google.com>
6127
6128         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
6129         here.
6130
6131 2010-07-14  Ian Lance Taylor  <iant@google.com>
6132
6133         * descriptors.cc (Descriptors::open): Report correct name in error
6134         message.
6135
6136 2010-07-13  Doug Kwan  <dougkwan@google.com>
6137
6138         * arm.cc (Arm_input_section::Arm_input_section): For a
6139         SHT_ARM_EXIDX section, always keeps the input sections.
6140         (Arm_input_section::set_exidx_section_link): New method.
6141         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
6142         has_errors_ to false.
6143         (Arm_exidx_input_section::has_errors,
6144         Arm_exidx_input_section::set_has_errors): New methods.
6145         (Arm_exidx_input_section::has_errors_): New data member.
6146         (Arm_relobj::get_exidx_shndx_list): New method.
6147         (Arm_output_section::append_text_sections_to_list): Do not skip
6148         section without SHF_EXECINSTR.
6149         (Arm_output_section::fix_exidx_coverage): Skip input sections with
6150         errors.
6151         (Arm_relobj::make_exidx_input_section): Add new parameter for text
6152         section header.  Make error messages more verbose.  Check for
6153         a non-executable section linked to an EXIDX section.
6154         (Arm_relobj::do_read_symbols): Remove error checking, which has been
6155         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
6156         check that there is no deferred EXIDX section if we exit early.
6157         Instead of not making an EXIDX section in case of an error, make one
6158         and set the has_errors flag of it.
6159         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
6160         in a relocatable link.
6161         (Target_arm::do_relax): Look for the EXIDX output section instead of
6162         assuming that it is called .ARM.exidx.
6163         (Target_arm::fix_exidx_coverage): Add a new parameter for input
6164         section list.  Do not check for SHF_EXECINSTR section flags but
6165         skip any input section with errors.
6166         * output.cc (Output_section::Output_section): Initialize
6167         always_keeps_input_sections_ to false.
6168         (Output_section::add_input_section): Check for
6169         always_keeps_input_sections_.
6170         *  output.h (Output_section::always_keeps_input_sections,
6171         Output_section::set_always_keeps_input_sections): New methods.
6172         (Output_section::always_keeps_input_sections): New data member.
6173
6174 2010-07-13  Rafael Espindola  <espindola@google.com>
6175
6176         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
6177         * fileread.h (Input_file): Add try_extra_search_path and find_file.
6178
6179 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
6180             Ian Lance Taylor  <iant@google.com>
6181
6182         * output.h (Output_section_lookup_maps::add_merge_section):
6183         Correct check of whether value was inserted.
6184         (Output_section_lookup_maps::add_merge_input_section): Likewise.
6185         (Output_section_lookup_maps::add_relaxed_input_section):
6186         Likewise.
6187         * arm.cc (Target_arm::got_section): Remove used local os.
6188         * i386.cc (Target_i386::got_section): Likewise.
6189         * x86_64.cc (Target_x86_64::got_section): Likewise.
6190         * sparc.cc (Target_sparc::got_section): Likewise.
6191         (Target_sparc::relocate): Remove unused local have_got_offset.
6192         * powerpc.cc (Target_powerpc::relocate): Likewise.
6193
6194 2010-07-13  Ian Lance Taylor  <iant@google.com>
6195
6196         * compressed_output.cc (zlib_decompress): Fix signature in
6197         !HAVE_ZLIB_H case.
6198
6199         * archive.cc (Archive::include_member): Unlock an external member
6200         of a thin archive.  Don't bother to delete an object we know is
6201         NULL.
6202
6203 2010-07-12  Cary Coutant  <ccoutant@google.com>
6204
6205         * compressed_output.cc (zlib_decompress): New function.
6206         (get_uncompressed_size): New function.
6207         (decompress_input_section): New function.
6208         * compressed_output.h (get_uncompressed_size): New function.
6209         (decompress_input_section): New function.
6210         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
6211         Handle compressed debug sections.
6212         * layout.cc (is_compressed_debug_section): New function.
6213         (Layout::output_section_name): Map compressed section names to
6214         canonical names.
6215         * layout.h (is_compressed_debug_section): New function.
6216         (is_debug_info_section): Recognize compressed debug sections.
6217         * merge.cc: Include compressed_output.h.
6218         (Output_merge_data::do_add_input_section): Handle compressed
6219         debug sections.
6220         (Output_merge_string::do_add_input_section): Handle compressed
6221         debug sections.
6222         * object.cc: Include compressed_output.h.
6223         (Sized_relobj::Sized_relobj): Initialize new data members.
6224         (build_compressed_section_map): New function.
6225         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
6226         * object.h (Object::section_is_compressed): New method.
6227         (Object::do_section_is_compressed): New method.
6228         (Sized_relobj::Compressed_section_map): New type.
6229         (Sized_relobj::do_section_is_compressed): New method.
6230         (Sized_relobj::compressed_sections_): New data member.
6231         * output.cc (Output_section::add_input_section): Handle compressed
6232         debug sections.
6233         * reloc.cc: Include compressed_output.h.
6234         (Sized_relobj::write_sections): Handle compressed debug sections.
6235
6236 2010-07-08  Cary Coutant  <ccoutant@google.com>
6237
6238         * resolve.cc (Symbol_table::resolve): Remember whether undef was
6239         weak when resolving to a dynamic def.
6240         (Symbol_table::should_override): Add adjust_dyndef flag; set it
6241         for weak undef/dynamic def cases. Adjust callers.
6242         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
6243         undef_binding_weak_.
6244         (Symbol_table::sized_write_globals): Adjust symbol binding.
6245         (Symbol_table::sized_write_symbol): Add binding parameter.
6246         * symtab.h (Symbol::set_undef_binding): New method.
6247         (Symbol::is_undef_binding_weak): New method.
6248         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
6249         (Symbol_table::should_override): Add new parameter.
6250         (Symbol_table::sized_write_symbol): Add new parameter.
6251
6252         * testsuite/weak_undef_file1.cc: Add new test case.
6253         * testsuite/weak_undef_file2.cc: Fix header comment.
6254         * testsuite/weak_undef_test.cc: Add new test case.
6255
6256 2010-06-29  Doug Kwan  <dougkwan@google.com>
6257
6258         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
6259         Initialize USE_SYMBOL_.
6260         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
6261         definition.
6262         (Arm_reloc_property::uses_symbol_): New data member declaration.
6263         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
6264         uses symbol value and symbol is undefined but not weakly undefined.
6265
6266 2010-06-28  Rafael Espindola  <espindola@google.com>
6267
6268         * plugin.cc (Plugin::load): Use dlerror.
6269
6270 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
6271
6272         * symtab.cc (detect_odr_violations): When reporting an ODR
6273         violation, report an object where the symbol is defined.
6274
6275 2010-06-25  Doug Kwan  <dougkwan@google.com>
6276
6277         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
6278         (Target_arm::section_may_have_icf_unsafe_pointers): New method
6279         definition.
6280         (Target_arm::Scan::local_reloc_may_be_function_pointer,
6281         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
6282         target hook to detect function points.
6283         (Target_arm::Scan::possible_function_pointer_reloc): New method.
6284         * icf.h (Icf::check_section_for_function_pointers): Change type of
6285         parameter SECTION_NAME to const reference to std::string.  Use
6286         target hook to determine if section may have unsafe pointers.
6287         * target.h (Target::section_may_have_icf_unsafe_pointers): New
6288         method definition.
6289
6290 2010-06-21  Rafael Espindola  <espindola@google.com>
6291
6292         * fileread.cc (Input_file::find_fie): New
6293         (Input_file::open): Use Input_file::find_fie.
6294         * fileread.h (Input_file::find_fie): New
6295         * plugin.cc (set_extra_library_path): New.
6296         (Plugin::load): Add set_extra_library_path to the transfer vector.
6297         (Plugin_manager::set_extra_library_path): New.
6298         (Plugin_manager::add_input_file): Use the extra search path if set.
6299         (set_extra_library_path(): New.
6300         * plugin.h (Plugin_manager): Add set_extra_library_path and
6301         extra_search_path_.
6302
6303 2010-06-19  Cary Coutant  <ccoutant@google.com>
6304
6305         * layout.cc (gdb_sections): Add .debug_types.
6306         (lines_only_debug_sections): Likewise.
6307
6308 2010-06-18  Rafael Espindola  <espindola@google.com>
6309
6310         * plugin.cc (add_input_file,add_input_library)
6311         (Plugin_manager::add_input_file): Make filename arguments const.
6312         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
6313         const.
6314
6315 2010-06-16  Doug Kwan  <dougkwan@google.com>
6316
6317         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
6318         .ARM.attributes section if we have not merged any input
6319         attributes sections.
6320
6321 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6322
6323         * arm.cc: Allow combining objects with no EABI version
6324         information.
6325
6326 2010-06-15  Rafael Espindola  <espindola@google.com>
6327
6328         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
6329
6330 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6331
6332         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
6333         (struct iovec): Correct !HAVE_READV definition.
6334
6335 2010-06-10  Cary Coutant  <ccoutant@google.com>
6336
6337         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
6338         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
6339         reloc sections.
6340         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
6341
6342         PR 11683
6343         * symtab.h (Symbol::is_placeholder): New member function.
6344         * target-reloc.h (relocate_section): Check for placeholder symbols.
6345
6346         * testsuite/Makefile.am (plugin_test_8): New test.
6347         (plugin_test_9): New test.
6348         * testsuite/Makefile.in: Regenerate.
6349
6350 2010-06-09  Nick Clifton  <nickc@redhat.com>
6351
6352         * yyscript.y (input_list_element): Allow strings prefixed with
6353         the '-' character.  Treat these as libraries.
6354         * script.cc (script_add_library): New function.  Adds a library
6355         specified by "-l<name>" found in an input script.
6356         * script-c.h: Add prototype for script_add_library.
6357
6358 2010-06-07  Doug Kwan  <dougkwan@google.com>
6359
6360         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
6361         Restrict stub-group size to be within long conditional branch
6362         range when working around cortex-A8 erratum.
6363
6364 2010-06-07  Damien Diederen  <dd@crosstwine.com>
6365
6366         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
6367         #ifdef typo.
6368
6369 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
6370
6371         PR gold/11658
6372         * output.cc
6373         (Output_section::Input_section_sort_entry::compare_section_ordering):
6374         Change to return non-zero correctly.
6375         (Output_section::Input_section_sort_section_order_index_compare
6376         ::operator()): Change to fix ambiguity in comparisons.
6377
6378 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
6379
6380         * gold.h (is_wildcard_string): New function.
6381         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
6382         (Layout::layout_eh_frame): Ditto.
6383         (Layout::find_section_order_index): New method.
6384         (Layout::read_layout_from_file): New method.
6385         * layout.h (Layout::find_section_order_index): New method.
6386         (Layout::read_layout_from_file): New method.
6387         (Layout::input_section_position_): New private member.
6388         (Layout::input_section_glob_): New private member.
6389         * main.cc (main): Call read_layout_from_file here.
6390         * options.h (--section-ordering-file): New option.
6391         * output.cc (Output_section::input_section_order_specified_): New
6392         member.
6393         (Output_section::Output_section): Initialize new member.
6394         (Output_section::add_input_section): Add new parameter.
6395         Keep input sections when --section-ordering-file is used.
6396         (Output_section::set_final_data_size): Sort input sections when
6397         section ordering file is specified.
6398         (Output_section::Input_section_sort_entry): Add new parameter.
6399         Check sorting type.
6400         (Output_section::Input_section_sort_entry::compare_section_ordering):
6401         New method.
6402         (Output_section::Input_section_sort_compare::operator()): Change to
6403         consider section_order_index.
6404         (Output_section::Input_section_sort_init_fini_compare::operator()):
6405         Change to consider section_order_index.
6406         (Output_section::Input_section_sort_section_order_index_compare
6407         ::operator()): New method.
6408         (Output_section::sort_attached_input_sections): Change to sort
6409         according to section order when specified.
6410         (Output_section::add_input_section<32, true>): Add new parameter.
6411         (Output_section::add_input_section<64, true>): Add new parameter.
6412         (Output_section::add_input_section<32, false>): Add new parameter.
6413         (Output_section::add_input_section<64, false>): Add new parameter.
6414         * output.h (Output_section::add_input_section): Add new parameter.
6415         (Output_section::input_section_order_specified): New
6416         method.
6417         (Output_section::set_input_section_order_specified): New method.
6418         (Input_section::Input_section): Initialize section_order_index_.
6419         (Input_section::section_order_index): New method.
6420         (Input_section::set_section_order_index): New method.
6421         (Input_section::section_order_index_): New member.
6422         (Input_section::Input_section_sort_section_order_index_compare): New
6423         struct.
6424         (Output_section::input_section_order_specified_): New member.
6425         * script-sections.cc (is_wildcard_string): Delete and move modified
6426         method to gold.h.
6427         (Output_section_element_input::Output_section_element_input): Modify
6428         call to is_wildcard_string.
6429         (Output_section_element_input::Input_section_pattern
6430         ::Input_section_pattern): Ditto.
6431         (Output_section_element_input::Output_section_element_input): Ditto.
6432         * testsuite/Makefile.am (final_layout): New test case.
6433         * testsuite/Makefile.in: Regenerate.
6434         * testsuite/final_layout.cc: New file.
6435         * testsuite/final_layout.sh: New file.
6436
6437 2010-06-01  Rafael Espindola  <espindola@google.com>
6438
6439         * plugin.cc (Plugin::load): Pass the output name to the plugin.
6440
6441 2010-06-01  Rafael Espindola  <espindola@google.com>
6442
6443         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
6444         visibility of symbols.
6445
6446 2010-05-27  Doug Kwan  <dougkwan@google.com>
6447
6448         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
6449         from start of output section instead of address for a local symbol
6450         in a merged or relaxed section when doing a relocatable link.
6451
6452 2010-05-26  Rafael Espindola  <espindola@google.com>
6453
6454         PR 11604
6455         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
6456         adding sections the garbage collector removed.
6457         * gold/testsuite/Makefile.am: Add test.
6458         * gold/testsuite/Makefile.in: Regenerate.
6459         * gold/testsuite/plugin_test_7.sh: New.
6460         * gold/testsuite/plugin_test_7_1.c: New.
6461         * gold/testsuite/plugin_test_7_2.c: New.
6462
6463 2010-05-26  Rafael Espindola  <espindola@google.com>
6464
6465         * script-sections.cc (Output_section_definition::set_section_addresses):
6466         Check for --section-start.
6467
6468 2010-05-26  Doug Kwan  <dougkwan@google.com>
6469
6470         * arm.cc (Arm_scan_relocatable_relocs): New class.
6471         (Target_arm::relocate_special_relocatable): New method.
6472         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
6473         (Arm_relocate_functions::thumb_branch_common): Same.
6474         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
6475         instead of Default_scan_relocatable_relocs.
6476         * target-reloc.h (relocate_for_relocatable): Let target handle
6477         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
6478         * target.h (Sized_target::relocate_special_relocatable): New method.
6479
6480 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6481
6482         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
6483
6484 2010-05-23  Doug Kwan  <dougkwan@google.com>
6485
6486         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
6487         instead of a cast.
6488         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
6489         with a direct branch, not a conditional branch, to a stub.
6490         * merge.cc (Output_merge_base::record_input_section): New method
6491         defintion.
6492         (Output_merge_data::do_add_input_section): Record input section if
6493         keeps-input-sections flag is set.
6494         (Output_merge_string::do_add_input_section): Ditto.
6495         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
6496         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
6497         INPUT_SECTIONS_.
6498         (Output_merge_base::keeps_input_sections,
6499         Output_merge_base::set_keeps_input_sections,
6500         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
6501         method definitions.
6502         (Output_merge_base::Input_sections): New type declaration.
6503         (Output_merge_base::input_sections_begin,
6504         Output_merge_base::input_sections_end,
6505         Output_merge_base::do_set_keeps_input_sections): New method definitions.
6506         (Output_merge_base::bool keeps_input_sections_,
6507         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
6508         Output_merge_base::input_sections_): New data members.
6509         (Output_merge_data::do_set_keeps_input_sections): New method
6510         defintion.
6511         (Output_merge_string::do_set_keeps_input_sections): Ditto.
6512         * output.cc (Output_section::Input_section::relobj): Move method
6513         defintion from class declaration to here and handle merge sections.
6514         (Output_section::Input_section::shndx): Ditto.
6515         (Output_section::Output_section): Remove initializations of removed
6516         data members and initialize new data member LOOKUP_MAPS_.
6517         (Output_section::add_input_section): Set keeps-input-sections flag
6518         for a newly created merge output section as appropriate.  Adjust code
6519         to use Output_section_lookup_maps class.
6520         (Output_section::add_relaxed_input_section): Adjst code for lookup
6521         maps code refactoring.
6522         (Output_section::add_merge_input_section): Add a new parameter
6523         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
6524         class.  If adding input section to a newly created merge output
6525         section fails, remove the new merge section.
6526         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
6527         Adjust code for use of the Output_section_lookup_maps class.
6528         (Output_section::find_merge_section): Ditto.
6529         (Output_section::build_lookup_maps): New method defintion.
6530         (Output_section::find_relaxed_input_section): Adjust code to use
6531         Output_section_lookup_maps class.
6532         (Output_section::get_input_sections): Export merge sections.  Adjust
6533         code to use Output_section_lookup_maps class.
6534         (Output_section:::add_script_input_section): Adjust code to use
6535         Output_section_lookup_maps class.  Update lookup maps for merge
6536         sections also.
6537         (Output_section::discard_states): Use Output_section_lookup_maps.
6538         (Output_section::restore_states): Same.
6539         * output.h (Merge_section_properties): Move class defintion out of
6540         Output_section.
6541         (Output_section_lookup_maps): New class.
6542         (Output_section::Input_section::is_merge_section): New method
6543         defintion.
6544         (Output_section::Input_section::relobj): Move defintion out of class
6545         defintion.  Declare method only.
6546         (Output_section::Input_section::shndx): Ditto.
6547         (Output_section::Input_section::output_merge_base): New method defintion.
6548         (Output_section::Input_section::u2_.pomb): New union field.
6549         (Output_section::Merge_section_by_properties_map,
6550         Output_section::Output_section_data_by_input_section_map,
6551         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
6552         Remove types.
6553         (Output_section::add_merge_input_section): Add new parameter
6554         KEEPS_INPUT_SECTIONS.
6555         (Output_section::build_lookup_maps): New method declaration.
6556         (Output_section::merge_section_map_,
6557         Output_section::merge_section_by_properties_map_,
6558         Output_section::relaxed_input_section_map_,
6559         Output_section::is_relaxed_input_section_map_valid_): Remove data
6560         members.
6561         (Output_section::lookup_maps_): New data member.
6562
6563 2010-05-21  Doug Kwan  <dougkwan@google.com>
6564
6565         PR gold/11619
6566         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
6567         avoid a compilation error.
6568
6569 2010-05-19  Rafael Espindola  <espindola@google.com>
6570
6571         * script-sections.cc (Output_section_definition::allocate_to_segment):
6572         Update the phdrs_list even when the output section is NULL.
6573         * testsuite/Makefile.am: Add test.
6574         * testsuite/Makefile.in: Regenerate.
6575         * testsuite/script_test_9.cc: New.
6576         * testsuite/script_test_9.sh: New.
6577         * testsuite/script_test_9.t: New.
6578
6579 2010-05-19  Doug Kwan  <dougkwan@google.com>
6580
6581         * arm.cc (Arm_input_section::original_size): New method.
6582         (Arm_input_section::do_addralign): Add a cast.
6583         (Arm_input_section::do_output_offset): Remove static cast.
6584         (Arm_input_section::original_addralign,
6585          Arm_input_section::original_size_): Change type to uint32_t.
6586         (Arm_input_section::init): Add safe casts for section alignment
6587         and size.
6588         (Arm_input_section::set_final_data_size): Do not set address and
6589         offset of stub table.
6590         (Arm_output_section::fix_exidx_coverage): Change use of of
6591         Output_section::Simple_input_section to that of
6592         Output_section::Input_section.
6593         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
6594         except for the first pass.
6595         * output.cc (Output_section::get_input_sections): Change type of
6596         input_sections to std::list<Input_section>.
6597         (Output_section::add_script_input_section): Rename from
6598         Output_section::add_simple_input_section.  Change type of SIS
6599         parameter from Simple_input_section to Input_section.
6600         * output.h (Output_section::Simple_input_section): Remove class.
6601         (Output_section::Input_section): Change class visibility to public.
6602         (Output_section::Input_section::addralign): Use stored alignments
6603         for special input sections if set.
6604         (Output_section::Input_section::set_addralign): New method.
6605         (Output_section::get_input_sections): Change parameter type from
6606         list of Simple_input_section to list of Input_section.
6607         (Output_section::add_script_input_section): Rename from
6608         Output_section::add_simple_input_section. Change first parameter's
6609         type from Simple_input_section to Input_section and remove the
6610         second and third parameters.
6611         * script-sections.cc (Input_section::Input_section_list): Change
6612         type to list of Output_section::Input_section/
6613         (Input_section_info::Input_section_info): Change parameter type of
6614         INPUT_SECTION to Output_section::Input_section.
6615         (Input_section_info::input_section): Change return type.
6616         (Input_section_info::input_section_): Change type to
6617         Output_section::Input_section.
6618         (Output_section_element_input::set_section_addresses): Adjust code
6619         to use Output_section::Input_section instead of
6620         Output_section::Simple_input_section.  Adjust code for renaming
6621         of Output_section::add_simple_input_section.
6622         (Orphan_output_section::set_section_addresses): Ditto.
6623
6624 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6625
6626         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
6627         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
6628
6629 2010-05-18  Rafael Espindola  <espindola@google.com>
6630
6631         * options.cc (General_options::finalize): Handle -nostdlib.
6632         * options.h (nostdlib): New option.
6633         * script.cc (script_add_search_dir): Handle -nostdlib.
6634
6635 2010-05-12  Doug Kwan  <dougkwan@google.com>
6636
6637         * arm.cc (Target_arm::do_finalize_sections): Create an empty
6638         attributes section only if there no attributes section after merging.
6639         (Target_arm::merge_object_attributes): Move value of
6640         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
6641         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
6642         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
6643         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
6644         and arm_attr_merge_7.stdout.
6645         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
6646         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
6647         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
6648         arm_attr_merge_7b.o): New rules.
6649         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
6650         arm_attr_merge_7
6651         * testsuite/Makefile.in: Regenerate.
6652         * testsuite/arm_attr_merge.sh: New file.
6653         * testsuite/arm_attr_merge_[67][ab].s: Same.
6654
6655 2010-05-05  Nick Clifton  <nickc@redhat.com>
6656
6657         * po/es.po: Updated Spanish translation.
6658
6659 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6660
6661         * Makefile.am (install-exec-local): Properly install gold as
6662         default cross linker.
6663         * Makefile.in: Regenerated.
6664
6665 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6666             Nick Clifton  <nickc@redhat.com>
6667
6668         * configure.ac (install_as_default): Define and set to false
6669         unless --enable-gold or --enable-gold=both/gold has been
6670         specified.
6671         * configure: Regenerate.
6672
6673         * Makefile.am (install-exec-local): Install the executable as
6674         'ld.gold'.  If install_as_default is true then also install it as
6675         'ld'.
6676         * Makefile.in: Regenerated.
6677
6678 2010-04-24  Ian Lance Taylor  <iant@google.com>
6679
6680         * layout.cc (Layout::layout_reloc): In relocatable link don't
6681         combine reloc sections for grouped sections.
6682
6683 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
6684
6685         * gc.h (gc_process_relocs): Pass information on relocs pointing to
6686         sections that are not ordinary to icf.
6687         * icf.cc (get_section_contents): Handle relocation pointing to section
6688         with no object or shndx information.
6689         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
6690         * testsuite/Makefile.in: Regenerate.
6691         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
6692         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
6693
6694 2010-04-22  Ian Lance Taylor  <iant@google.com>
6695
6696         * expression.cc (Expression::Expression_eval_info): Add
6697         result_alignment_pointer field.
6698         (Expression::eval_with_dot): Add result_alignment_pointer
6699         parameter.  Change all callers.
6700         (Expression::eval_maybe_dot): Likewise.
6701         (class Binary_expression): Add alignment_pointer parameter to
6702         left_value and right_value.  Change all callers.
6703         (BINARY_EXPRESSION): Set result alignment.
6704         (class Trinary_expression): Add alignment_pointer parameter to
6705         arg2_value and arg3_value.  Change all callers.
6706         (Trinary_cond::value): Set result alignment.
6707         (Max_expression::value, Min_expression::value): Likewise.
6708         (Align_expression::value): Likewise.
6709         * script-sections.cc (class Sections_element): Add dot_alignment
6710         parameter to set_section_addresses virtual function.  Update
6711         instantiations.
6712         (class Output_section_element): Likewise.
6713         (Script_sections::create_segments): Add dot_alignment parameter.
6714         Change all callers.
6715         (Script_sections::create_segments_from_phdrs_clause): Likewise.
6716         (Script_sections::set_phdrs_clause_addresses): Likewise.
6717         * script-sections.h: Update declarations.
6718         * script.h: Update declarations.
6719         * output.h (Output_segment::set_minimum_p_align): Don't decrease
6720         min_p_align.
6721         * testsuite/script_test_3.t: Set large alignment.
6722         * testsuite/script_test_3.sh: Make sure that at least one LOAD
6723         segment has expected alignment.
6724
6725 2010-04-22  Nick Clifton  <nickc@redhat.com>
6726
6727         * po/gold.pot: Updated by the Translation project.
6728         * po/vi.po: Updated Vietnamese translation.
6729
6730 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
6731
6732         * testsuite/Makefile.am (check_PROGRAMS): Add
6733         icf_virtual_function_folding_test.
6734         * testsuite/Makefile.in: Regenerated.
6735
6736 2010-04-15  Andrew Haley  <aph@redhat.com>
6737
6738         * options.h (merge_exidx_entries): New option.
6739         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
6740         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
6741         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
6742         (Target_arm::merge_exidx_entries): New function.
6743         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
6744         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
6745         to Arm_exidx_fixup constructor.
6746         Add new arg, merge_exidx_entries.
6747         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
6748         Arm_output_section::fix_exidx_coverage.
6749
6750 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
6751
6752         * icf.cc (get_section_contents): Check for preemptible functions.
6753         Ignore addend when appropriate.
6754         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
6755         section folded.
6756         (add_from_relobj): Check for section folded.
6757         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
6758         * symtab.h (should_add_dynsym_entry): Add new parameter.
6759         * target-reloc.h (scan_relocs): Check for section folded.
6760         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
6761         Check reloc types for function pointers in shared objects.
6762         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
6763         case.
6764         (icf_preemptible_functions_test): New test case.
6765         (icf_string_merge_test): New test case.
6766         * testsuite.Makefile.in: Regenerate.
6767         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
6768         bar_glob.  Refactor code.
6769         * testsuite/icf_preemptible_functions_test.cc: New file.
6770         * testsuite/icf_preemptible_functions_test.sh: New file.
6771         * testsuite/icf_string_merge_test.cc: New file.
6772         * testsuite/icf_string_merge_test.sh: New file.
6773         * testsuite/icf_virtual_function_folding_test.cc: New file.
6774         * testsuite/icf_virtual_function_folding_test.sh: New file.
6775
6776 2010-04-14  Doug Kwan  <dougkwan@google.com>
6777
6778         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
6779         for local symbol recounting if we remove a section due to ICF.
6780         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
6781         there are no regular objects in input.
6782
6783 2010-04-13  Doug Kwan  <dougkwan@google.com>
6784
6785         * arm.cc (Arm_input_section::set_final_data_size): Compute
6786         accurate final data size instead of using current data size.
6787
6788 2010-04-09  Doug Kwan  <dougkwan@google.com>
6789
6790         * layout.cc (Layout::choose_output_section): Handle script section
6791         types.
6792         (Layout::make_output_section_for_script): Add section type parameter.
6793         Handle script section types.
6794         * layout.h (Layout::make_output_section_for_script): Add section
6795         type parameter.
6796         * output.cc (Output_section::Output_section): Initialize data member
6797         is_noload_.
6798         (Output_section::do_reset_address_and_file_offset): Do not set address
6799         to 0 if section is a NOLOAD section.
6800         * output.h (Output_section::is_noload): New method.
6801         (Output_section::set_is_noload): Ditto.
6802         (Output_section::is_noload_): New data member.
6803         * script-c.h (Script_section_type): New enum type.
6804         (struct Parser_output_section_header): Add new file section_type.
6805         * script-sections.cc (Sections_element::output_section_name): Add
6806         parameter for returning script section type.
6807         (Output_section_definition::output_section_name): Ditto.
6808         (Output_section_definition::section_type)P; New method.
6809         (Output_section_definiton::script_section_type_name): Ditto.
6810         (Output_section_definition::script_section_type_): New data member.
6811         (Output_section_definition::Output_section_definition): Initialize
6812         data member Output_section_definition::script_section_type_.
6813         (Output_section_definition::create_sections): Pass script section type
6814         to Layout::make_output_section_for_script.
6815         (Output_section_definition::output_section_name): Return script
6816         section type to caller.
6817         (Output_section_definition::set_section_address): Do not advance
6818         dot value and load address if section type is NOLOAD.  Set address
6819         of NOLOAD sections regardless of section flags.
6820         (Output_section_definition::print): Print section type if it is
6821         not SCRIPT_SECTION_TYPE_NONE.
6822         (Output_section_definition::section_type): New method.
6823         (Output_section_definition::script_section_type_name): Ditto.
6824         (Script_sections::output_section_name): Add new parameter
6825         PSECTION_TYPE for returning script section type.  Pass it to
6826         section elements.  Handle discard sections.
6827         (Sort_output_sections::operator()): Handle NOLOAD sections.
6828         * script-sections.h (Script_sections::Section_type): New enum type.
6829         (Script_sections::output_section_name): Add a new parameter for
6830         returning script section type.
6831         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
6832         INFO and NOLOAD.
6833         * yyscript.y (union): Add new field SECTION_TYPE.
6834         (COPY, DSECT, INFO, NOLOAD): New tokens.
6835         (opt_address_and_section_type): Change type to output_section_header.
6836         (section_type): New non-terminal
6837         (section_header): Handle section type.
6838         (opt_address_and_section_type): Return section type value.
6839
6840 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
6841
6842         * testsuite/plugin_common_test_1.c (foo): Add prototype.
6843         * testsuite/plugin_common_test_2.c (foo): Likewise.
6844
6845 2010-04-08  Doug Kwan  <dougkwan@google.com>
6846
6847         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
6848         Output_merge_data.
6849         * output.cc (Output_section::add_merge_input_section): Simplify
6850         code and return status of Output_merge_base::add_input_section.
6851         Update merge section map only if Output_merge_base::add_input_section
6852         returns true.
6853
6854 2010-04-07  Doug Kwan  <dougkwan@google.com>
6855
6856         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
6857         if section is marked as containing instructions but has no mapping
6858         symbols.
6859         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
6860         correct section index.
6861         (Arm_relobj::find_linked_text_section): Ditto.
6862
6863 2010-04-07  Cary Coutant  <ccoutant@google.com>
6864
6865         * archive.cc (include_member): Destroy Read_symbols_data object before
6866         releasing file.
6867         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
6868         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
6869         (Read_symbols_data::~Read_symbols_data) New destructor.
6870         (Section_relocs::Section_relocs) New constructor.
6871         (Section_relocs::~Section_relocs) New destructor.
6872         (Read_relocs_data::Read_relocs_data) New constructor.
6873         (Read_relocs_data::~Read_relocs_data) New destructor.
6874         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
6875         pointers to NULL after deleting.
6876
6877 2010-04-07  Doug Kwan  <dougkwan@google.com>
6878
6879         * arm.cc: Replace "endianity" with "endianness" in comments.
6880         (Arm_exidx_cantunwind): Ditto.
6881         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
6882         (Arm_relobj::merge_flags_and_attributes): New method.
6883         (Arm_relobj::merge_flags_and_attributes_): New data member.
6884         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
6885         (Arm_relobj::scan_sections_for_stubs): Ditto.
6886         (Arm_relobj::do_read_symbols): Check to see if we really want to
6887         merge processor-specific flags and attributes.  Exit early if
6888         an object is empty except for section names and the undefined symbol.
6889         (Target_arm::do_finalize_sections): Move check for ELF format to
6890         Arm_relobj::do_read_symbols.  Merge processor specific flags and
6891         attributes from a regular object only when we have determined that
6892         it is aapropriate.  Do not create an .ARM.attributes section in
6893         output if there is no regular input object.
6894         (Target_arm::merge_processor_specific_flags): Check
6895         --warn-mismatch before printing any error.
6896         (Target_arm::merge_object_attributes): Ditto.
6897         * gold.cc (queue_middle_tasks): Handle the case in which there is
6898         no regular object in input.
6899         * options.cc (General_options::parse_EB): New method.
6900         (General_options::parse_EL): Same.
6901         (General_options::General_options): Initialize endianness_.
6902         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
6903         New options.
6904         (General_options::Endianness): New enum.
6905         (General_options::endianness): New method.
6906         (General_options::endianness_): New data member.
6907         * parameters.cc (Parameters::set_options): Check target endianness.
6908         (Parameters::set_target_once): Ditto.
6909         (Parameters::check_target_endianness): New method.
6910         (parameters_force_valid_target): If either -EL or -EB is specified,
6911         use it to define endianness of default target.
6912         * parameters.h (Parameters::check_target_endianness): New method
6913         declaration.
6914         * target.h (class Target): Change "endianity" to "endianness"
6915         in comments.
6916
6917 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6918
6919         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
6920         * configure: Regenerate.
6921         * Makefile.in: Regenerate.
6922         * testsuite/Makefile.in: Regenerate.
6923
6924 2010-04-06  Cary Coutant  <ccoutant@google.com>
6925
6926         gcc PR lto/42757
6927         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
6928         prevailing definitions of common symbols.
6929         * testsuite/plugin_test_6.sh: New test case.
6930         * testsuite/plugin_common_test_1.c: New test case.
6931         * testsuite/plugin_common_test_2.c: New test case.
6932         * testsuite/Makefile.am (plugin_test_6): New test case.
6933         * testsuite/Makefile.in: Regenerate.
6934
6935 2010-04-06  Nick Clifton  <nickc@redhat.com>
6936
6937         * po/vi.po: New Vietnamese translation.
6938
6939 2010-03-30  Doug Kwan  <dougkwan@google.com>
6940
6941         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
6942
6943 2010-03-25  Doug Kwan  <dougkwan@google.com>
6944
6945         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
6946         to avoid a conversion warning on a 32-bit host.
6947
6948 2010-03-24  Ian Lance Taylor  <iant@google.com>
6949
6950         * testsuite/script_test_3.t: Add a TLS segment.
6951         * testsuite/Makefile.am (check_PROGRAMS): Add
6952         tls_phdrs_script_test.
6953         (tls_phdrs_script_test_SOURCES): Define.
6954         (tls_phdrs_script_test_DEPENDENCIES): Define.
6955         (tls_phdrs_script_test_LDFLAGS): Define.
6956         (tls_phdrs_script_test_LDADD): Define.
6957         * testsuite/Makefile.in: Rebuild.
6958
6959 2010-03-23  Cary Coutant  <ccoutant@google.com>
6960
6961         * fileread.cc (find_or_make_view): Fix comment.
6962
6963 2010-03-23  Ian Lance Taylor  <iant@google.com>
6964
6965         * script-sections.cc (class Orphan_section_placement): Define
6966         PLACE_TLS and PLACE_TLS_BSS.
6967         (Orphan_section_placement::Orphan_section_placement): Initialize
6968         new places.
6969         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
6970         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
6971         (tls_script_test_SOURCES): Define.
6972         (tls_script_test_DEPENDENCIES): Define.
6973         (tls_script_test_LDFLAGS): Define.
6974         (tls_script_test_LDADD): Define.
6975         * testsuite/Makefile.in: Rebuild.
6976
6977 2010-03-22  Doug Kwan  <dougkwan@google.com>
6978
6979         * arm.cc (Arm_relocate_functions::abs8,
6980         Arm_relocate_functions::abs16): Use correct check for overflow
6981         specified in the ARM ELF specs.
6982         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
6983         target of a BLX instruction specially.
6984         (Reloc_stub::stub_type_for_reloc): Ditto.
6985         (Relocate::relocate): Use symbolic names instead of numeric relocation
6986         codes to report error.
6987         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
6988         workaround.
6989         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
6990         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
6991         thumb2_blx_out_of_range.stdout
6992         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
6993         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
6994         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
6995         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
6996         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
6997         thumb2_blx_in_range, thumb2_blx_in_range.o,
6998         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
6999         thumb2_blx_out_of_range.o): New rules.
7000         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
7001         thumb2_blx_in_range and thumb2_blx_out_of_range.
7002         * testsuite/Makefile.in: Regenerate.
7003         * arm_branch_in_range.sh: Add tests for THUMB BLX.
7004         * testsuite/thumb_blx_in_range.s: New file.
7005         * testsuite/thumb_blx_out_of_range.s: New file.
7006
7007 2010-03-22  Rafael Espindola  <espindola@google.com>
7008
7009         * archive.cc (Should_include): Move to archive.h.
7010         (should_include_member): Make it a member of Archive.
7011         (Lib_group): New.
7012         (Add_lib_group_symbols): New.
7013         * archive.h: Include options.h.
7014         (Archive_member): Moved from Archive.
7015         (Should_include): Moved from archive.cc.
7016         (Lib_group): New.
7017         (Add_lib_group_symbols): New.
7018         * dynobj.cc (do_should_include_member): New.
7019         * dynobj.h (do_should_include_member): New.
7020         * gold.cc (queue_initial_tasks): Update call to queue.
7021         * main.cc (main): Print lib group stats.
7022         * object.cc (do_should_include_member): New.
7023         * object.h: Include archive.h.
7024         (Object::should_include_member): New.
7025         (Object::do_should_include_member): New.
7026         (Sized_relobj::do_should_include_member): New.
7027         * options.cc (General_options::parse_start_lib): New.
7028         (General_options::parse_end_lib): New.
7029         (Input_arguments::add_file): Handle lib groups.
7030         (Input_arguments::start_group): Check we are not in a lib.
7031         (Input_arguments::start_lib): New.
7032         (Input_arguments::end_lib): New.
7033         * options.h (General_options): Add start_lib and end_lib.
7034         (Input_argument::lib_): New.
7035         (Input_argument::lib): New.
7036         (Input_argument::is_lib): New.
7037         (Input_file_lib): New.
7038         (Input_arguments::in_lib_): New.
7039         (Input_arguments::in_lib): New.
7040         (Input_arguments::start_lib): New.
7041         (Input_arguments::end_lib_): New.
7042         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
7043         in unused members as preempted.
7044         (Sized_pluginobj::do_should_include_member): New.
7045         * plugin.h (Sized_pluginobj::do_should_include_member): New.
7046         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
7047         return the blocker.
7048         (Read_symbols::do_whole_lib_group): New.
7049         (Read_symbols::do_lib_group): New.
7050         (Read_symbols::do_read_symbols): Handle lib groups.
7051         (Read_symbols::get_name): Handle lib groups.
7052         * readsyms.h (Read_symbols): Add an archive member pointer.
7053         (Read_symbols::do_whole_lib_group): New.
7054         (Read_symbols::do_lib_group): New.
7055         (Read_symbols::member_): New.
7056         * script.cc (read_input_script): Update call to queue_soon.
7057
7058 2010-03-19  Doug Kwan  <dougkwan@google.com>
7059
7060         * arm.cc (Stub_table::Stub_table): Initialize new data members
7061         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
7062         (Stub_table::add_reloc_stub): Assign stub offset and update
7063         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
7064         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
7065         New data members.
7066         (Stub_table::update_data_size_and_addralign): Use
7067         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
7068         instead of going over all reloc stubs.
7069         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
7070         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
7071         Stringpool_template::offset_ to size of Stringpool_char.
7072         (Stringpool_template::new_key_offset): Remove code to initialize
7073         Stringpool_template::offset_.
7074         * stringpool.h (Stringpool_template::set_no_zero_null): Set
7075         Stringpool_template::offset_ to zero.
7076
7077 2010-03-15  Doug Kwan  <dougkwan@google.com>
7078
7079         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
7080         offset_.
7081         (Stringpool_template::new_key_offset): New method.
7082         (Stringpool_template::add_string): Assign offsets when adding new
7083         strings.
7084         (Stringpool_template::set_string_offsets): Do not set string offsets
7085         when not optimizing.
7086         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
7087         member size_.
7088         (Chunked_vector::clear): Clear size_.
7089         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
7090         (Chunked_vector::size): Return size_.
7091         (Chunked_vector::push_back): Use size_ to find insert position.
7092         (Chunked_vector::size_): New data member.
7093         (Stringpool_template::set_no_zero_null): Assert string set is empty.
7094         (Stringpool_template::new_key_offset): New method declaration.
7095         (Stringpool_template::offset_): New data member.
7096
7097 2010-03-15   Rafael Espindola  <espindola@google.com>
7098
7099         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
7100         Add_symbols' constructor.
7101         * readsyms.h (Add_symbols): Remove the input_group member.
7102
7103 2010-03-10  Ian Lance Taylor  <iant@google.com>
7104
7105         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
7106         target to ask whether a reference to a symbol requires a stack
7107         split.
7108         * target.h (Target::is_call_to_non_split): New function.
7109         (Target::do_is_call_to_non_split): Declare virtual function.
7110         * target.cc: Include "symtab.h".
7111         (Target::do_is_call_to_non_split): New function.
7112         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
7113
7114 2010-03-10  Cary Coutant  <ccoutant@google.com>
7115
7116         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
7117         (File_read::open[1]): Remove initial mapping of whole_file_view_.
7118         (File_read::open[2]): Add whole_file_view_ to list of views.
7119         (File_read::make_view): Remove test of whole_file_view_.
7120         (File_read::find_or_make_view): Create whole_file_view_ if
7121         necessary.
7122         (File_read::clear_views): Replace bool parameter with enum;
7123         adjust all callers.  Don't delete views with permanent data;
7124         do delete cached views and views from archives if
7125         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
7126         if clearing the corresponding view.
7127         * fileread.h (File_read::Clear_views_mode): New enum.
7128         (File_read::View::is_permanent_view): New method.
7129         (File_read::clear_views): Replace bool parameter
7130         with enum; adjust all callers.
7131         * options.h (General_options): Change keep_files_mapped option;
7132         add map_whole_files.
7133         * readsyms.cc (Add_symbols::run): Delete sd_ object before
7134         releasing the file.
7135         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
7136         the file.
7137
7138 2010-03-10  David S. Miller  <davem@davemloft.net>
7139
7140         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
7141
7142 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
7143
7144         * icf.cc (get_section_contents): Add '@' marker after processing the
7145         merge reloc.
7146
7147 2010-03-08  Doug Kwan  <dougkwan@google.com>
7148
7149         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
7150         due to a conversion warning.
7151         (Arm_relobj::update_output_local_symbol_count): Check for local
7152         symbol with unset output index.
7153
7154 2010-03-05  Ian Lance Taylor  <iant@google.com>
7155
7156         * options.h (class General_options): Add --spare-dynamic-tags.
7157         * output.cc (Output_data_dynamic::set_final_data_size): Implement
7158         --spare-dynamic-tags.
7159
7160 2010-03-05  Ian Lance Taylor  <iant@google.com>
7161
7162         * incremental.cc: Include "libiberty.h".
7163
7164 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7165
7166         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
7167         function, is_info_ member.
7168         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
7169         (Versions::Versions): Update caller.
7170         (Versions::define_base_version): Likewise.
7171         (Versions::add_def): Likewise.
7172
7173 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
7174
7175         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
7176         (Scan::possible_function_pointer_reloc): New function.
7177         (Scan::local_reloc_may_be_function_pointer): Change to call
7178         possible_function_pointer_reloc.
7179         (Scan::global_reloc_may_be_function_pointer): Ditto.
7180         * icf.h (Icf::check_section_for_function_pointers): Change to reject
7181         relocations in ".data.rel.ro._ZTV" section.
7182         * testsuite/icf_safe_so_test.sh: Change to pass i386.
7183         * testsuite/icf_safe_so_test.cc: Ditto.
7184         * testsuite/icf_safe_test.cc: Ditto.
7185         * testsuite/icf_safe_test.sh: Ditto.
7186
7187 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7188             Ian Lance Taylor  <iant@google.com>
7189
7190         * target-reloc.h (relocate_section): Check the symbol table index
7191         for -1U before setting the local symbol index.
7192         (scan_relocatable_relocs): If copying the relocation, record that
7193         the local symbol is required.
7194         * object.h (Symbol_value::is_output_symtab_index_set): New
7195         function.
7196         (Symbol_value::may_be_discarded_from_output_symtab): New
7197         function.
7198         (Symbol_value::has_output_symtab_entry): New function.
7199         (Symbol_value::needs_output_symtab_entry): Remove.
7200         (Symbol_value::output_symtab_index): Make sure the symbol index is
7201         set.
7202         (Symbol_value::set_output_symtab_index): Make sure the symbol
7203         index is not set.  Make sure the new index is valid.
7204         (Symbol_value::set_must_have_output_symtab_entry): New function.
7205         (Symbol_value::has_output_dynsym_entry): New function.
7206         (Symbol_value::set_output_dynsym_index): Make sure the new index
7207         is valid.
7208         (Sized_relobj::set_must_have_output_symtab_entry): New function.
7209         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
7210         local symbol if permitted.
7211         (Sized_relobj::do_finalize_local_symbols): Call
7212         is_output_symtab_index_set rather than needs_output_symtab_entry.
7213         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
7214         rather than needs_output_symtab_entry.  Call
7215         has_output_dynsym_entry rather than needs_output_dynsym_entry.
7216         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
7217         is_output_symtab_index_set rather than needs_output_symtab_entry.
7218         * testsuite/discard_locals_relocatable_test.c: New file.
7219         * testsuite/discard_locals_test.sh: Test -r.
7220         * testsuite/Makefile.am (check_DATA): Add
7221         discard_locals_relocatable_test1.syms,
7222         discard_local_relocatable_test2.syms.
7223         (MOSTLYCLEANFILES): Likewise.  Also add
7224         discard_locals_relocatable_test1.lout and
7225         discard_locals_relocatable_test2.out.
7226         (discard_locals_relocatable_test1.syms): New target.
7227         (discard_locals_relocatable_test.o): New target.
7228         (discard_locals_relocatable_test1.out): New target.
7229         (discard_locals_relocatable_test2.syms): New target.
7230         (discard_locals_relocatable_test2.out): New target.
7231         (various): Add missing ../ld-new dependencies.
7232         * testsuite/Makefile.in: Rebuild.
7233
7234 2010-03-03  Nick Clifton  <nickc@redhat.com>
7235
7236         * po/fi.po: New Finnish translation.
7237
7238 2010-03-01  Doug Kwan  <dougkwan@google.com>
7239
7240         * layout.cc (Layout::Layout): Force section types of .init_array*,
7241         .preinit_array* and .fini_array* sections.
7242         * output.cc (Output_section::Input_section_sort_entry::has_priority):
7243         Fix check of return value of std::string::find.().
7244         (Output_section::Input_section_sort_compare::operator()): Remove
7245         comment about .init_array.
7246         (Output_section::Input_section_sort_init_fini_compare::operator()):
7247         New method.
7248         (Output_section::sort_attached_input_sections): Handle .init_array
7249         and .fini_array specially.
7250         * output.h (Output_section::Inut_section_sort_compare): Update
7251         comment.
7252         (Output_section::Input_section_sort_init_fini_compare): New struct.
7253
7254 2010-02-26  Doug Kwan  <dougkwan@google.com>
7255
7256         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
7257         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
7258         * testsuite/debug_msg.sh: Avoid matching source line number for
7259         use of global variable undef_int.
7260
7261 2010-02-26  Doug Kwan  <dougkwan@google.com>
7262
7263         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
7264         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
7265         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
7266         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
7267         * options.cc (General_options::General_options): Initialize member
7268         fix_v4bx_.
7269         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
7270         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
7271         and rm_no_fix_v4bx.stdout
7272         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
7273         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
7274         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
7275         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
7276         and arm_no_fix_v4bx.
7277         * Makefile.in: Regenerate.
7278         * testsuite/arm_fix_v4bx.s: New file.
7279         * testsuite/arm_fix_v4bx.sh: Ditto.
7280
7281 2010-02-24  Doug Kwan  <dougkwan@google.com>
7282
7283         * arm.cc (Target_arm::got_section): Make the .got section the first
7284         non RELRO section in the data segment.
7285         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
7286         suffixes of section names.
7287
7288 2010-02-24  Doug Kwan  <dougkwan@google.com>
7289
7290         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
7291         flags and attributes merging if an input file is a binary file.
7292         * fileread.cc (Input_file::open): Record format of original file.
7293         * fileread.h (Input_file::Format): New enum type.
7294         (Input_file::Input_file): Initialize data member format_.
7295         (Input_file::format): New method definition.
7296         (Input_file::format_):: New data member.
7297
7298 2010-02-24  Doug Kwan  <dougkwan@google.com>
7299
7300         * arm.cc (Arm_output_data_got): New class.
7301         (ARM_TCB_SIZE): New constant
7302         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
7303         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
7304         If user uses a script with a SECTIONS clause, issue only a warning
7305         for a misplaced EXIDX input section.  Otherwise, issue an error.
7306         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
7307         garbage collection.
7308         (Target_arm::got_mode_index_entry): Handle static linking.
7309         (Target_arm::Scan::local): Ditto.
7310         (Target_arm::Scan::global): Ditto.
7311         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
7312         all incorrectly implemented relocations.
7313         (Target_arm::fix_exidx_coverage): Pass layout to
7314         Arm_output_section::fix_exidx_coverage.
7315         * layout.cc (Layout::section_name_mapping): Remove trailing dots
7316         from ".ARM.exidx." and ".ARM.extab.".
7317
7318 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7319
7320         * arm.cc (Target_arm::do_finalize_sections): Create attribute
7321         section if it does not already exist.
7322         * attributes.cc (Attributes_section_data::Attributes_section_data):
7323         Don't crash if size is zero.
7324
7325 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7326             Ian Lance Taylor  <iant@google.com>
7327
7328         * gold.cc (queue_middle_tasks): If no input files were opened,
7329         exit.
7330         * workqueue.h (Task_function::Task_function): Assert that there is
7331         a blocker.
7332
7333 2010-02-22  Doug Kwan  <dougkwan@google.com>
7334
7335         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
7336         * icf.cc (get_section_contents): Cast snprintf arguments to long long
7337         types to avoid warnings due to different uint64_t implementations
7338         on different hosts.
7339
7340 2010-02-21  Doug Kwan  <dougkwan@google.com>
7341
7342         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
7343         handling of the maximum backward branch offset.
7344         (Arm_relocate_functions::thumb_branch_common): Ditto.
7345         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
7346         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
7347         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
7348         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
7349         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
7350         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
7351         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
7352         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
7353         thumb_bl_out_of_range thumb_bl_out_of_range.o,
7354         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
7355         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
7356         thumb2_bl_out_of_range.o): New rules.
7357         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
7358         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
7359         thumb2_bl_out_of_range
7360         * testsuite/Makefile.in: Regenerate.
7361         * testsuite/arm_bl_in_range.s: New file.
7362         * testsuite/arm_bl_out_of_range.s: Ditto.
7363         * testsuite/arm_branch_in_range.sh: Ditto.
7364         * testsuite/arm_branch_range.t: Ditto.
7365         * testsuite/thumb2_branch_range.t: Ditto.
7366         * testsuite/thumb_bl_in_range.s: Ditto.
7367         * testsuite/thumb_bl_out_of_range.s: Ditto.
7368         * testsuite/thumb_branch_range.t: Ditto.
7369
7370 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
7371
7372         * gc.h (gc_process_relocs): Change vectors to point to the new list.
7373         Add reloc offset information.
7374         * icf.cc (get_section_contents): Change iterators to point to the new
7375         vectors. Add reloc offset information to the contents.
7376         * icf.h (Icf::Sections_reachable_info): New typedef.
7377         (Icf::Sections_reachable_list): New typedef.
7378         (Icf::Offset_info): New typedef.
7379         (Icf::Reloc_info): New struct typedef.
7380         (Icf::Reloc_info_list): New typedef.
7381         (Icf::symbol_reloc_list): Delete method.
7382         (Icf::addend_reloc_list): Delete method.
7383         (Icf::section_reloc_list): Delete method.
7384         (Icf::reloc_info_list): New method.
7385         (Icf::reloc_info_list_): New member.
7386
7387 2010-02-19  Doug Kwan  <dougkwan@google.com>
7388
7389         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
7390         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
7391         * arm.cc (Arm_relocation_functions): New forward declaration.
7392         (Target_arm::Target_arm): Initialize new data members
7393         got_mod_index_offset_ and tls_base_symbol_defined_.
7394         (Target_arm::Relocate::relocate_tls): New method.
7395         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
7396          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
7397         New methods.
7398         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
7399         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
7400         (Target_arm::got_mod_index_offset_,
7401         Target_arm::tls_base_symbol_defined_): New data members.
7402         (Target_arm::Scan::local, Target::Scan::global,
7403         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
7404         relocations.
7405
7406 2010-02-18  Doug Kwan  <dougkwan@google.com>
7407
7408         * arm.cc (Arm_relobj::find_linked_text_section): New method.
7409         (Arm_relobj::make_exidx_input_section): Pass section index of linked
7410         text section as a parameter becuase some broken tools may not set
7411         the link in section header.
7412         (Target_arm::has_got_section): New method.
7413         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
7414         without any mapping symbol as data only.  Remove warning.
7415         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
7416         link in its section header, try to discover the link by inspecting the
7417         REL31 relocation at the beginning of the section.
7418         (Target_arm::Scan::check_non_pic): Report name of offending relocation
7419         in error message.
7420         (Target_arm::Scan::global): Treat any reference to the symbol
7421         _GLOBAL_OFFSET_TABLE_ as a GOT access.
7422
7423 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
7424
7425         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
7426         (Scan::global_reloc_may_be_function_pointer): New function.
7427         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7428         (Scan::global_reloc_may_be_function_pointer): New function.
7429         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7430         (Scan::global_reloc_may_be_function_pointer): New function.
7431         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
7432         (Scan::global_reloc_may_be_function_pointer): New function.
7433         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
7434         (Scan::global_reloc_may_be_function_pointer): New function.
7435         (Scan::possible_function_pointer_reloc): New function.
7436         (Target_x86_64::can_check_for_function_pointers): New function.
7437         * gc.h (gc_process_relocs): Scan relocation types to determine if
7438         function pointers were taken for targets that support it.
7439         * icf.cc (Icf::find_identical_sections): Include functions for
7440         folding in safe ICF whose pointer is not taken.
7441         * icf.h (Secn_fptr_taken_set): New typedef.
7442         (fptr_section_id_): New member.
7443         (section_has_function_pointers): New function.
7444         (set_section_has_function_pointers): New function.
7445         (check_section_for_function_pointers): New function.
7446         * options.h: Fix comment for safe ICF option.
7447         * target.h (can_check_for_function_pointers): New function.
7448         * testsuite/Makefile.am: Add icf_safe_so_test test case.
7449         Modify icf_safe_test for X86-64.
7450         * testsuite/Makefile.in: Regenerate.
7451         * testsuite/icf_safe_so_test.cc: New file.
7452         * testsuite/icf_safe_so_test.sh: New file.
7453         * testsuite/icf_safe_test.cc (kept_func_3): New function.
7454         (main): Change to take pointer to function kept_func_3.
7455         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
7456         folding is done correctly for X86-64.
7457
7458 2010-02-12  David S. Miller  <davem@davemloft.net>
7459
7460         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
7461         is_symbolless parameter.
7462         (Output_reloc<SHT_REL>::is_symbolless): New.
7463         (Output_reloc<SHT_REL>::is_symbolless_): New.
7464         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
7465         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
7466         (Output_reloc<SHT_RELA>::is_symbolless): New.
7467         (Output_data_reloc::add_global): Handle is_symbolless.
7468         (Output_data_reloc::add_global_relative): Likewise.
7469         (Output_data_reloc::add_local): Likewise.
7470         (Output_data_reloc::add_local_relative): Likewise.
7471         (Output_data_reloc::add_symbolless_global_addend): New.
7472         (Output_data_reloc::add_symbolless_local_addend): New.
7473         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
7474         is_symbolless.
7475         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
7476         instead of ->is_relative_
7477         (Output_reloc::write): Likewise.
7478         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
7479         (Output_reloc::write_rel): Simplify.
7480
7481         * sparc.cc (Target_sparc::Scan::local): Use
7482         ->add_symbolless_local_addend as needed.
7483         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
7484         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
7485         based upon relocation offset.
7486
7487 2010-02-11  Doug Kwan  <dougkwan@google.com>
7488
7489         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
7490         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
7491         beginning of function.
7492         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
7493         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
7494         parameter is_32bit in calls to should_apply_static_reloc.
7495         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
7496         (check_DATA): Add arm_abs_global.stdout.
7497         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
7498         arm_abs_global.stdout): New rules.
7499         (MOSTLLYCLEANFILES): Add arm_abs_global
7500         * Makefile.in: Regenerate.
7501         * testsuite/arm_abs_global.s: New file.
7502         * testsuite/arm_abs_global.sh: Ditto.
7503         * testsuite/arm_abs_lib.s: Ditto.
7504
7505 2010-02-11  Ian Lance Taylor  <iant@google.com>
7506
7507         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
7508         Read_relocs task.
7509         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
7510         Allocate_commons_task first.
7511         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
7512         task, rather than symtab_lock_.
7513         (Gc_process_relocs::~Gc_process_relocs): New function.
7514         (Gc_process_relocs::is_runnable): Check this_blocker_.
7515         (Gc_process_relocs::locks): Use next_blocker_ rather than
7516         blocker_.
7517         (Scan_relocs::~Scan_relocs): New function.
7518         (Scan_relocs::is_runnable): Check this_blocker_ rather than
7519         symtab_lock_.
7520         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
7521         next_blocker_.
7522         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
7523         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
7524         constructor accordingly.
7525         (class Gc_process_relocs): Likewise.
7526         (class Scan_relocs): Likewise.
7527         * common.h (class Allocate_commons_task): Remove symtab_lock_
7528         field, and corresponding constructor parameter.
7529         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
7530         symtab_lock_.
7531         (Allocate_commons_task::locks): Likewise.
7532
7533 2010-02-11  Ian Lance Taylor  <iant@google.com>
7534
7535         * gold-threads.h (class Once): Define.
7536         (class Initialize_lock): Rewrite as child of Once.
7537         * gold-threads.cc (class Once_initialize): Define.
7538         (once_pointer_control): New static variable.
7539         (once_pointer, once_arg): New static variables.
7540         (c_run_once): New static function.
7541         (Once::Once, Once::run_once, Once::internal_run): New functions.
7542         (class Initialize_lock_once): Remove.
7543         (initialize_lock_control): Remove.
7544         (initialize_lock_pointer): Remove.
7545         (initialize_lock_once): Remove.
7546         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
7547         (Initialize_lock::initialize): Rewrite.
7548         (Initialize_lock::do_run_once): New function.
7549         * archive.cc (Archive::interpret_header): Only clear name if it is
7550         not already empty.
7551         * fileread.cc: Include "gold-threads.h"
7552         (file_counts_lock): New static variable.
7553         (file_counts_initialize_lock): Likewise.
7554         (File_read::release): Only increment counts when using --stats.
7555         Use a lock around the increment.
7556         * parameters.cc (class Set_parameters_target_once): Define.
7557         (set_parameters_target_once): New static variable.
7558         (Parameters::Parameters): Move here from parameters.h.
7559         (Parameters::set_target): Rewrite.
7560         (Parameters::set_target_once): New function.
7561         (Parameters::clear_target): Move here and rewrite.
7562         * parameters.h (class Parameters): Update declarations.  Add
7563         set_parameters_target_once_ field.
7564         (Parameters::Parameters): Move to parameters.cc.
7565         (Parameters::clear_target): Likewise.
7566         * readsyms.cc (Read_symbols::do_group): Create a Start_group
7567         task.
7568         (Start_group::~Start_group): New function.
7569         (Start_group::is_runnable): New function.
7570         (Start_group::locks, Start_group::run): New functions.
7571         (Finish_group::run): Change saw_undefined to size_t.
7572         * readsyms.h (class Start_group): Define.
7573         (class Finish_group): Change saw_undefined_ field to size_t.
7574         (Finish_group::Finish_group): Remove saw_undefined and
7575         this_blocker parameters.  Change all callers.
7576         (Finish_group::set_saw_undefined): New function.
7577         (Finish_group::set_blocker): New function.
7578         * symtab.h (class Symbol_table): Change saw_undefined to return
7579         size_t.  Change saw_undefined_ field to size_t.
7580         * target-select.cc (Set_target_once::do_run_once): New function.
7581         (Target_selector::Target_selector): Initialize set_target_once_
7582         field.  Don't initialize lock_ and initialize_lock_ fields.
7583         (Target_selector::instantiate_target): Rewrite.
7584         (Target_selector::set_target): New function.
7585         * target-select.h (class Set_target_once): Define.
7586         (class Target_selector): Update declarations.  Make
7587         Set_target_once a friend.  Remove lock_ and initialize_lock_
7588         fields.  Add set_target_once_ field.
7589
7590 2010-02-10  Ian Lance Taylor  <iant@google.com>
7591
7592         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
7593         queueing any tasks.
7594         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
7595         (queue_middle_tasks): Add all blockers before queueing any tasks.
7596         (queue_final_tasks): Likewise.
7597         * token.h (Task_token::add_blockers): New function.
7598         * object.h (Input_objects::number_of_relobjs): New function.
7599
7600 2010-02-10  Ian Lance Taylor  <iant@google.com>
7601
7602         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
7603         shared, not if not position independent.
7604         * x86_64.cc (Relocate::relocate_tls): Likewise.
7605         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
7606         (tls_pie_pic_test): New target.
7607         * testsuite/Makefile.in: Rebuild.
7608
7609         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
7610         (tls_test_main_pie.o, tls_test_pie.o): New targets.
7611         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
7612         * testsuite/Makefile.in: Rebuild.
7613
7614 2010-02-09  David S. Miller  <davem@davemloft.net>
7615
7616         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
7617         R_SPARC_RELATIVE using ->add_local_relative().
7618         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
7619
7620         * output.h (Output_data_dynamic::add_section_size): New method
7621         that takes two Output_data objects.
7622         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
7623         entry param.  Handle it in initializers.
7624         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
7625         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
7626         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
7627         arg.
7628         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
7629         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
7630         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
7631         for dynrel_includes_plt.
7632         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7633         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7634         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
7635         before .rela.plt
7636         (Target_sparc::do_finalize_sections): Update to pass true for
7637         dynrel_includes_plt.
7638         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
7639         output before .rela.plt
7640         (Target_powerpc::do_finalize_sections): Update to pass true for
7641         dynrel_includes_plt when 32-bit.
7642
7643 2010-02-08  Doug Kwan  <dougkwan@google.com>
7644
7645         * arm.cc (Arm_relobj::simple_input_section_output_address): New
7646         method.
7647         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
7648         Arm_relobj::scan_section_for_cortex_a8_stubs,
7649         Arm_relobj::do_relocation_section): Instead of calling
7650         Output_section::output_address, use faster
7651         Arm_relobj::simple_input_section_output_address.
7652
7653 2010-02-08  David S. Miller  <davem@davemloft.net>
7654
7655         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
7656         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
7657         relocation helper function.
7658
7659         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
7660         just like R_SPARC_GOT{10,13,22}.
7661         (Target_sparc::Scan::local): Likewise.
7662         (Target_sparc::Relocate:relocate): Likewise.
7663
7664 2010-02-06  Ian Lance Taylor  <iant@google.com>
7665
7666         * configure.ac: Rewrite targetobjs duplicate removal code to use
7667         only shell constructs.
7668         * configure: Rebuild.
7669
7670 2010-02-05  Doug Kwan  <dougkwan@google.com>
7671
7672         PR 11247
7673         * arm.cc (Arm_relobj::section_is_scannable): New method.
7674         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
7675         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
7676
7677 2010-02-04  Doug Kwan  <dougkwan@google.com>
7678
7679         PR 11247
7680         * arm-reloc-property.cc (cstdio): Include.
7681         * configure.ac (targetobjs): Remove duplicates.
7682         * configure: Regenerate.
7683         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
7684         big and little endian version for a given address size.
7685
7686 2010-02-03  Doug Kwan  <dougkwan@google.com>
7687
7688         * arm-reloc-property.cc
7689         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7690         definition.
7691         * arm-reloc-property.h
7692         (Arm_reloc_property_table::get_implemented_static_reloc_property):
7693         New method definition.
7694         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7695         declaration.
7696         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
7697         overflow to N.
7698         (GOT_PREL): Change implemented to Y.
7699         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
7700         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
7701         (Arm_relocate_functions::movw_abs_nc): Remove method.
7702         (Arm_relocate_functions::movt_abs): Ditto.
7703         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
7704         (Arm_relocate_functions::thm_movt_abs): Ditto.
7705         (Arm_relocate_functions::movw_rel_nc): Ditto.
7706         (Arm_relocate_functions::movw_rel): Ditto.
7707         (Arm_relocate_functions::movt_rel): Ditto.
7708         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
7709         (Arm_relocate_functions:thm_movw_rel): Ditto.
7710         (Arm_relocate_functions:thm_movt_rel): Ditto.
7711         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
7712         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
7713         New method definitions.
7714         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
7715         (Arm_relocation_functions::arm_grp_ldr): Ditto.
7716         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
7717         (Arm_relocation_functions::arm_grp_ldc): Ditto.
7718         (Target_arm::Relocate::relocate): Check for non-static or
7719         unimplemented relocation code and exit early.  Change calls to
7720         Target_arm::reloc_uses_thumb_bit and
7721         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
7722         instead.  Refactor code to handle similar relocations to increase
7723         code sharing.  Remove check for unsupported relocation code in switch
7724         statement.
7725         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
7726         relocation property table to find out size.  Change error message to
7727         print out the name of a relocation code instead of the numeric value.
7728         (Target_arm::scan_reloc_for_stub): Use relocation property table
7729         instead of calling Target_arm::reloc_uses_thumb_bit().
7730
7731 2010-02-02  Doug Kwan  <dougkwan@google.com>
7732
7733         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
7734         types of relaxed input section.
7735
7736 2010-02-02  Doug Kwan  <dougkwan@google.com>
7737
7738         * Makefile.am (HFILES): Add arm-reloc-property.h.
7739         (DEFFILES): New.
7740         (TARGETSOURCES): Add arm-reloc-property.cc
7741         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
7742         (libgold_a_SOURCES): $(DEFFILES)
7743         * Makefile.in: Regenerate.
7744         * arm-reloc-property.cc: New file.
7745         * arm-reloc-property.h: New file.
7746         * arm-reloc.def: New file.
7747         * arm.cc: Update comments.
7748         (arm-reloc-property.h): New included header.
7749         (arm_reloc_property_table): New global variable.
7750         (Target_arm::do_select_as_default_target): New method definition.
7751         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
7752         arm-reloc-property to targ_extra_obj.
7753         * parameters.cc (set_parameters_target): Call
7754         Target::select_as_default_target().
7755         * target.h (Target::select_as_default_target): New method definition.
7756         (Target::do_select_as_default_target): Same.
7757
7758 2010-02-01  Doug Kwan  <dougkwan@google.com>
7759
7760         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
7761         first_output_text_section_.
7762         (Arm_exidx_fixup::first_output_text_section): New method definition.
7763         (Arm_exidx_fixup::first_output_text_section_): New data member.
7764         (Arm_exidx_fixup::process_exidx_section): Record the first text
7765         output section seen.
7766         (Arm_output_section::fix_exidx_coverage): Set correct linked section
7767         and entsize in output section header.
7768
7769 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7770
7771         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
7772         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
7773         (Arm_relocate_functions::thm_alu11): New Method.
7774         (Arm_relocate_functions::thm_pc8): New Method.
7775         (Arm_relocate_functions::thm_pc12): New Method.
7776         (Target_arm::Scan::local): Handle the relocations.
7777         (Target_arm::Scan::global): Likewise.
7778         (Target_arm::Relocate::relocate): Likewise.
7779         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7780
7781 2010-01-29  Doug Kwan  <dougkwan@google.com>
7782
7783         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
7784         of relocation types as ld.
7785
7786 2010-01-29  Doug Kwan  <dougkwan@google.com>
7787
7788         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
7789         to public.
7790         (Arm_relocate_functions::thumb_branch_common): Ditto.
7791         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
7792         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
7793         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
7794         Arm_relocate_functions::jump24): Remove.
7795         (Target_arm::Relocate::relocate): Adjust code to call
7796         Arm_relocation_functions::arm_branch_common and
7797         Arm_relocation_functions::thumb_branch_common instead of their removed
7798         wrappers.  Merge switch-cases together to reduce source code size.
7799
7800 2010-01-29  Doug Kwan  <dougkwan@google.com>
7801
7802         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
7803         output_local_symbol_count_needs_update_.
7804         (Arm_relobj::output_local_symbol_count_needs_update,
7805          Arm_relobj::set_output_local_symbol_count_needs_update,
7806          Arm_relobj::update_output_local_symbol_count): New methods.
7807         (Arm_relobj::output_local_symbol_count_needs_update_): New data
7808         member.
7809         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
7810         of pointed function as in a R_ARM_PREL31 relocation.
7811         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
7812         for output local symbol count updating.
7813         (Target_arm::do_relax): Update output local symbol counts in objects
7814         if necessary.
7815         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
7816
7817 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7818
7819         * arm.cc: Added support for the ARM relocations:
7820         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
7821         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
7822         (Arm_relocate_functions::movw_rel_nc): Renamed (was
7823         movw_prel_nc).
7824         (Arm_relocate_functions::movw_rel): New method.
7825         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
7826         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
7827         thm_movw_prel_nc).
7828         (Arm_relocate_functions::thm_movw_rel): New method.
7829         (Arm_relocate_functions::thm_movt_rel): Renamed (was
7830         thm_movt_prel).
7831         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
7832         relocations.
7833         (Target_arm::Scan::global): Likewise.
7834         (Target_arm::Relocate::relocate): Likewise.
7835         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7836         Likewise.
7837
7838 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7839
7840         * arm.cc: Added support for ARM group relocations.
7841         (Target_arm::reloc_needs_sym_origin): New method.
7842         (Arm_relocate_functions::calc_grp_kn): New method.
7843         (Arm_relocate_functions::calc_grp_residual): New method.
7844         (Arm_relocate_functions::calc_grp_gn): New method.
7845         (Arm_relocate_functions::arm_grp_alu): New Method.
7846         (Arm_relocate_functions::arm_grp_ldr): New Method.
7847         (Arm_relocate_functions::arm_grp_ldrs): New Method.
7848         (Arm_relocate_functions::arm_grp_ldc): New Method.
7849         (Target_arm::Scan::local): Handle the ARM group relocations.
7850         (Target_arm::Scan::global): Likewise.
7851         (Target_arm::Relocate::relocate): Likewise.
7852         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7853         Likewise.
7854
7855 2010-01-26  Doug Kwan  <dougkwan@google.com>
7856
7857         * arm.cc (set): Include.
7858         (class Arm_exidx_fixup): Change type of last_input_section_ to const
7859         pointer type.
7860         (Arm_output_section::Text_section_list): New type.
7861         (Arm_output_section::append_text_sections_to_list): New method.
7862         (Arm_output_section::fix_exidx_coverage): Ditto.
7863         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
7864         (Arm_relobj::convert_input_section_to_relaxed_section): Use
7865         Relobj::set_section_offset() instead of
7866         Sized_relobj::invalidate_section_offset().
7867         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
7868         parameter for section headers. Ignore relocation sections for
7869         unallocated sections and EXIDX sections.
7870         (Target_arm::fix_exidx_coverage): New method.
7871         (Target_arm::output_section_address_less_than): New type.
7872         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
7873         linked text section instead of the EXIDX section.
7874         (Arm_output_section::create_stub_group): Add an assertion to check
7875         that this is not an EXIDX output section.
7876         (Arm_output_section::append_text_sections_to_list): New method.
7877         (Arm_output_section::fix_exidx_coverage): Ditto.
7878         (Arm_relobj::scan_sections_for_stubs): Adjust call to
7879         Arm_relobj::section_needs_reloc_stub_scanning.
7880         (Target_arm::do_relax): Fix EXIDX output section coverage in the
7881         first pass.
7882         (Target_arm::fix_exidx_coverage): New method.
7883         * object.h (Relobj::set_output_section): New method.
7884         (Sized_relobj::invalidate_section_offset): Remove method.
7885         (Sized_relobj::do_invalidate_section_offset): Remove method.
7886         (Sized_relobj::do_set_section_offset): Handle offset value -1.
7887
7888 2010-01-25  Doug Kwan  <dougkwan@google.com>
7889
7890         * arm.cc (Arm_exidx_merged_section::do_output_offset):
7891         Fix warning due to signed and unsigned comparison on a 32-bit host.
7892
7893 2010-01-22  Doug Kwan  <dougkwan@google.com>
7894
7895         * arm.cc (Target_arm::do_relax): Record an output section for section
7896         offset adjustment it contains any stub table that has changed.
7897         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
7898         offsets in an output section if necessary.
7899         * output.cc (Output_section::Output_section): Initialize
7900         section_offsets_need_adjustments_.
7901         (Output_section::add_input_section_for_script): Renamed to
7902         Output_section::add_simple_input_section.
7903         (Output_section::save_states): Add a comment.
7904         (Output_section::discard_states): New method defintion.
7905         (Output_section::adjust_section_offsets): Same.
7906         * output.h (Output_section::add_input_section_for_script): Renamed to
7907         Output_section::add_simple_input_section.
7908         (Output_section::discard_states): New method declaration.
7909         (Output_section::adjust_section_offsets): Same.
7910         (Output_section::section_offsets_need_adjustment,
7911         Output_section::set_section_offsets_need_adjustment): New method
7912         definitions.
7913         (Output_section::section_offsets_need_adjustment_): New data member.
7914         * script-sections.cc
7915         (Output_section_element_input::set_section_address): Adjust code for
7916         renaming of Output_section::add_input_section_for_script.
7917         (Orphan_output_section::set_section_address): Same.
7918
7919 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7920
7921         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
7922         Fix_v4bx enum values .
7923         * gold/options.h (General_options): New option definitions.
7924         (General_options::fix_v4bx): New method.
7925         (General_options::Fix_v4bx): New enum.
7926         * gold/options.cc (General_options::parse_fix_v4bx): New method.
7927         (General_options::parse_fix_v4bx_interworking): New method.
7928
7929 2010-01-22  Doug Kwan  <dougkwan@google.com>
7930
7931         * arm.cc (Arm_exidx_fixup): New class.
7932
7933 2010-01-21  Doug Kwan  <dougkwan@google.com>
7934
7935         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
7936         classes.
7937         (Arm_exidx_section_offset_map): New type.
7938
7939 2010-01-21  Doug Kwan  <dougkwan@google.com>
7940
7941         * arm.cc (Arm_exidx_input_section): New class.
7942         (Arm_relobj::exidx_input_section_by_link,
7943         Arm_relobj::exidx_input_section_by_shndx,
7944         Arm_relobj::make_exidx_input_section): New methods.
7945         (read_arm_attributes_section): Remove.
7946         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
7947         information about them.
7948         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
7949         to here.
7950
7951 2010-01-20  Doug Kwan  <dougkwan@google.com>
7952
7953         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
7954         Input_section_specifier to Section_id.
7955         (Target_arm::new_arm_input_section: Adjust code for change of key
7956         type.
7957         (Target_arm::find_arm_input_section): Ditto.
7958         * gc.h (object.h): Include for Section_id nand Section_id_hash.
7959         (Section_id): Remove.
7960         (Garbage_collection::Section_id_hash): Remove.
7961         * icf.h (object.h): Include for Section_id nand Section_id_hash.
7962         (Section_id): Remove.
7963         (Icf::Section_id_hash): Remove.
7964         * object.h (Section_id, Const_section_id, Section_id_hash,
7965         Const_section_id_hash): New type definitions.
7966         * output.cc (Output_section::add_relaxed_input_section): Change to
7967         use Const_section_id instead of Input_section_specifier as key type.
7968         (Output_section::add_merge_input_section): Ditto.
7969         (Output_section::build_relaxation_map): Change to use Section_id
7970         instead of Input_section_specifier as key type.
7971         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7972         Ditto.
7973         (Output_section::convert_input_sections_to_relaxed_sections): Change
7974         to use Const_section_id instead of Input_section_specifier as key type.
7975         (Output_section::find_merge_section): Ditto.
7976         (Output_section::find_relaxed_input_section): Ditto.
7977         * output.h (Input_section_specifier): Remove class.
7978         (Output_section::Output_section_data_by_input_section_map): Change
7979         key type to Const_section_id.
7980         (Output_section::Output_relaxed_input_section_by_input_section_map):
7981         Ditto.
7982         (Output_section::Relaxation_map): Change key type to Section_id.
7983
7984 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7985
7986         * gold/arm.cc: Added support for R_ARM_V4BX relocation
7987         (class Arm_v4bx_stub): New class.
7988         (DEF_STUBS): Updated definition to support v4_veneer_bx.
7989         (Stub_factory::make_arm_v4bx_stub): New method.
7990         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
7991         (Stub_table::empty): Handle v4bx stubs.
7992         (Stub_table::add_arm_v4bx_stub): New method.
7993         (Stub_table::find_arm_v4bx_stub): New method.
7994         (Arm_relocate_functions::v4bx): New method.
7995         (Target_arm::fix_v4bx): New method.
7996         (Target_arm::Target_arm): Handle R_ARM_V4BX.
7997         (Stub_table::relocate_stubs): Likewise.
7998         (Stub_table::do_write): Likewise.
7999         (Stub_table::update_data_size_and_addralign): Likewise.
8000         (Stub_table::finalize_stubs):  Likewise.
8001         (Target_arm::Scan::local): Likewise.
8002         (Target_arm::Scan::global): Likewise.
8003         (Target_arm::do_finalize_sections): Likewise.
8004         (Target_arm::Relocate::relocate): Likewise.
8005         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8006         Likewise.
8007         (Target_arm::scan_reloc_for_stub): Likewise.
8008         (Target_arm::scan_reloc_section_for_stubs): Likewise.
8009
8010 2010-01-19  Ian Lance Taylor  <iant@google.com>
8011
8012         * output.cc (Output_section_headers::do_sized_write): Write large
8013         segment count to sh_info field.
8014         (Output_file_header::do_sized_write): For large segment count,
8015         write PN_XNUM to e_phnum field.
8016
8017 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8018
8019         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
8020         (Arm_relocate_functions::thm_jump8): New function.
8021         (Arm_relocate_functions::thm_jump11): New function.
8022         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
8023         R_ARM_THM_JUMP11.
8024         (Target_arm::Scan::global): Likewise.
8025         (Target_arm::Relocate::relocate): Likewise.
8026         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8027         Likewise.
8028
8029 2010-01-14  Doug Kwan  <dougkwan@google.com>
8030
8031         * arm.cc (map, utility): Include headers.
8032         (Target_arm::apply_cortex_a8_workaround): New method.
8033         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
8034         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
8035         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
8036         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
8037         the --[no-]fix-cortex-a8 command line options.
8038         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
8039         (Target_arm::relocate_stub): Use addend in instruction template.
8040         * options.h (DEFINE_bool): Set the user-set flag.
8041         (General_options): Add --[no-]-fix-cortex options.
8042         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
8043         : Update fast look-up map after conversion.
8044
8045 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
8046
8047         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
8048         in the first pass of do_layout.
8049
8050 2010-01-13  Doug Kwan  <dougkwan@google.com>
8051
8052         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
8053         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
8054         apparent compiler problem of not folding static constant integral
8055         data members of elfcpp::Elf_sizes<32>.
8056
8057 2010-01-13  Doug Kwan  <dougkwan@google.com>
8058
8059         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
8060         Arm_relobj::section_needs_cortex_a8_stub_scanning,
8061         Arm_relobj::scan_section_for_cortex_a8_erratum,
8062         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
8063         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
8064         sections to scan for relocation stubs into a new method
8065         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
8066         relocation and Cortex-A8 stub scanning.
8067         (Target_arm::do_relax): Force stubs to be after stubbed sections
8068         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
8069         the beginning of a new relaxation pass.  Update a comment.
8070         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
8071
8072 2010-01-12  Ian Lance Taylor  <iant@google.com>
8073
8074         * target-reloc.h (visibility_error): New inline function.
8075         (relocate_section): Call visibility_error.
8076         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
8077         (MOSTLYCLEANFILES): Likewise.
8078         (protected_4_pic.o, protected_3.err): New targets.
8079         * testsuite/protected_4.cc: New file.
8080
8081 2010-01-12  Doug Kwan  <dougkwan@google.com>
8082
8083         * arm.cc (Cortex_a8_reloc): New class.
8084         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
8085         and cortex_a8_relocs_info_.
8086         (Target_arm::fix_cortex_a8): New method definition.
8087         (Target_arm::Cortex_a8_relocs_info): New type.
8088         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
8089         New data member declarations.
8090         (Target_arm::scan_reloc_for_stub): Record information about
8091         relocations for THUMB branches that might be exempted from the
8092         Cortex-A8 workaround.
8093         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
8094         at the beginning of a relaxation pass.
8095
8096 2010-01-12  Doug Kwan  <dougkwan@google.com>
8097
8098         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
8099         (Arm_relobj::Mapping_symbol_position,
8100          Arm_reloj::Mapping_symbol_position_less,
8101          Arm_relobj::Mapping_symbols_info): New types.
8102         (Target_arm::is_mapping_symbol_name): New method definition.
8103         (Arm_relobj::do_count_local_symbols): Save information about mapping
8104         symbols.
8105
8106 2010-01-11  Doug Kwan  <dougkwan@google.com>
8107
8108         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
8109         Arm_relocate_functions::thumb32_branch_upper,
8110         Arm_relocate_functions::thumb32_branch_lower,
8111         Arm_relocate_functions::thumb32_cond_branch_offset,
8112         Arm_relocate_functions::thumb32_cond_branch_upper,
8113         Arm_relocate_functions::thumb32_cond_branch_lower,
8114         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
8115         branch offset encoding.
8116         (Arm_relocate_functions::thumb_branch_common): Use new branch
8117         offset encoding methods to avoid code duplication.
8118         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
8119         (Stub_addend_reader::operator()): Use new branch encoding method
8120         to avoid code duplication.
8121
8122 2010-01-11  Doug Kwan  <dougkwan@google.com>
8123
8124         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
8125         (Target_arm::do_finalize_sections): Define special EXIDX section
8126         symbols only if referenced.
8127         * gc.h (Garbage_collection::add_reference): New method.
8128         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
8129         code duplication.
8130
8131 2010-01-11  Ian Lance Taylor  <iant@google.com>
8132
8133         * script.cc (Version_script_info::build_expression_list_lookup):
8134         Change complaing about duplicate wildcard match from error to
8135         warning.
8136
8137         * script.cc (class Lazy_demangler): Recreate--revert part of patch
8138         of 2009-12-30.
8139         (Version_script_info::Version_script_info): Initialize globs_,
8140         default_version_, default_is_global_, and exact_.  Don't
8141         initialize globals_ or locals_.
8142         (Version_script_info::build_lookup_tables): Build local symbols
8143         first.
8144         (Version_script_info::unquote): New function.
8145         (Version_script_info::add_exact_match): New function.
8146         (Version_script_info::build_expression_list_lookup): Remove lookup
8147         parameter.  Add is_global parameter.  Change all callers.  Handle
8148         wildcard pattern specially.  Unquote pattern.  Call
8149         add_exact_match.
8150         (Version_script_info::get_name_to_match): New function.
8151         (Version_script_info::get_symbol_version): New function.
8152         (Version_script_info::get_symbol_version_helper): Remove.
8153         (Version_script_info::check_unmatched_names): Call unquote.
8154         * script.h (class Version_script_info): Change get_symbol_version
8155         to be non-inline and add is_global parameter; change all callers.
8156         Rewrite symbol_is_local.  Update declarations.  Define struct
8157         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
8158         Remove globals_ and locals_ members.  Add exact_, globs_,
8159         default_version_, is_global_.
8160         (Version_script_info::Glob): Remove pattern, add expression and
8161         is_global.  Update constructor.  Change all callers.
8162         * dynobj.cc (Versions::finalize): Mark the version symbol as the
8163         default version.
8164         (Versions::symbol_section_contents): If a symbol is undefined, or
8165         defined in a dynamic object, set the version index to
8166         VER_NDX_LOCAL.
8167         * symtab.cc (Symbol_table::add_from_relobj): Don't call
8168         symbol_is_local.
8169         (Symbol_table::add_from_pluginobj): Likewise.
8170         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
8171
8172 2010-01-11  Doug Kwan  <dougkwan@google.com>
8173
8174         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
8175         (incremental_dump_LDADD): Add linking option for libintl.
8176         * Makefile.in: Regenerate.
8177
8178 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
8179
8180         PR gold/11144
8181         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
8182         instead of -Ds.
8183         * testsuite/Makefile.in: Regenerated.
8184
8185 2010-01-10  Doug Kwan  <dougkwan@google.com>
8186
8187         * options.h (DEFINE_var): Use parentheses around argument varname__
8188         in macro body to avoid any unintended subsequent substitutions.
8189
8190 2010-01-10  Ian Lance Taylor  <iant@google.com>
8191
8192         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
8193         candidates before doing symbol resolution.
8194
8195         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
8196         ODR candidates if only one is weak.
8197
8198 2010-01-08  Ian Lance Taylor  <iant@google.com>
8199
8200         * script.cc (Version_script_info::build_expression_list_lookup):
8201         Don't warn about ambiguous version, just record the ambiguity.
8202         (Version_script_info::get_symbol_version_helper): Give error if
8203         version is ambiguous.
8204
8205 2010-01-08  Doug Kwan  <dougkwan@google.com>
8206
8207         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
8208         prev_data_size_ and prev_addralign_.  Remove initializer for
8209         deleted data member has_been_changed_.
8210         (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
8211         to determine if the table is empty.
8212         (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
8213         Remove.
8214         (Stub_table::add_reloc_stub): Define method in class definition
8215         instead of just declaring it there.
8216         (Stub_table::add_cortex_a8_stub): New method definition.
8217         (Stub_table::update_data_size_and_addralign): Ditto.
8218         (Stub_table::finalize_stubs): Ditto.
8219         (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
8220         (Stub_table::do_addralign_): Return address alignment in the
8221         (Stub_table::do_reset_address_and_file_offset): Define method in
8222         class definition instead of declaring it there.  Set current data
8223         size to be the data size of the previous pass.
8224         (Stub_table::set_final_data_size): Use current data size as the
8225         final data size.
8226         (Stub_table::relocate_stub): Change parameter type of stub from
8227         Reloc_stub pointer to Stub pointer.
8228         (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
8229         (Stub_table::Cortex_a8_stub_list): New typedef.
8230         (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
8231          Stub_table::prev_addralign_): New data member.
8232         (Arm_relobj::Arm_relobj): Initialize data member
8233         section_has_cortex_a8_workaround_.
8234         (Arm_relobj::section_has_cortex_a8_workaround,
8235          Arm_relobj::mark_section_for_cortex_a8_workaround): New method
8236          definitions.
8237         (Arm_relobj::section_has_cortex_a8_workaround_): New data member
8238         declarations.
8239         (Target_arm::relocate_stub): Change parameter type of stub from
8240         Reloc_stub pointer to Stub pointer.
8241         (Insn_template::size, Insn_template::alignment): Handle
8242         THUMB16_SPECIAL_TYPE.
8243         (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
8244          Stub_table::update_data_size_and_addralign,
8245          Stub_table::apply_cortex_a8_workaround_to_address_range): New method
8246         definitions.
8247         (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
8248         (Stub_table::do_write): Ditto.
8249         (Target_arm::do_relax): Adjust code for changes in Stub_table.
8250
8251 2010-01-08  Ian Lance Taylor  <iant@google.com>
8252
8253         PR 11108
8254         * symtab.h (class Symbol): Remove fields is_target_special_ and
8255         has_plt_offset_.  Add field is_defined_in_discarded_section_.
8256         (Symbol::is_defined_in_discarded_section): New function.
8257         (Symbol::set_is_defined_in_discarded_section): New function.
8258         (Symbol::has_plt_offset): Rewrite.
8259         (Symbol::set_plt_offset): Verify that new offset is not -1U.
8260         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
8261         Don't initialize is_target_special_ or has_plt_offset_.
8262         Initialize is_defined_in_discarded_section_.
8263         (Symbol_table::add_from_relobj): If appropriate, set
8264         is_defined_in_discarded_section.
8265         * resolve.cc (Symbol::override_base_with_special): Don't test
8266         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
8267         * target-reloc.h (relocate_section): Do special handling for
8268         symbols defined in discarded sections for global symbols as well
8269         as local symbols.
8270
8271 2010-01-08  Ian Lance Taylor  <iant@google.com>
8272
8273         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
8274         the SHT_SYMTAB case.
8275
8276 2010-01-08  Ian Lance Taylor  <iant@google.com>
8277
8278         * object.cc (Sized_relobj::do_layout): Don't get confused if
8279         layout_eh_frame returns NULL.
8280
8281 2010-01-08  Ian Lance Taylor  <iant@google.com>
8282
8283         PR 11084
8284         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
8285         dynamic symbol table, use the normal symbol table.
8286         (Sized_dynobj::do_read_symbols): Remove assertion about type of
8287         symbol table.
8288
8289 2010-01-08  Ian Lance Taylor  <iant@google.com>
8290
8291         PR 11072
8292         * layout.cc (Layout::include_section): Remove .gnu_debuglink
8293         sections.
8294
8295 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
8296
8297         * version.cc (print_version): Change to "Copyright 2010".
8298
8299 2010-01-08  Ian Lance Taylor  <iant@google.com>
8300
8301         PR 10287
8302         PR 11063
8303         * i386.cc (class Target_i386): Change return type of plt_section
8304         to be non-const.
8305         (class Output_data_plt_i386): Add tls_desc_rel_ field.
8306         (Output_data_plt_i386::Output_data_plt_i386): Initialize
8307         tls_desc_rel_ field.
8308         (Output_data_plt_i386::rel_tls_desc): New function.
8309         (Target_i386::rel_tls_desc_section): New function.
8310         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
8311         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
8312         R_386_TLS_DESC reloc in rel_tls_desc_section.
8313         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
8314         Define struct Tlsdesc_info.
8315         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
8316         (Target_x86_64::do_reloc_symbol_index): New function.
8317         (Target_x86_64::add_tlsdesc_info): New function.
8318         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
8319         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
8320         tlsdesc_rel_ field.
8321         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
8322         all callers.
8323         (Output_data_plt_x86_64::rela_tlsdesc): New function.
8324         (Target_x86_64::rela_tlsdesc_section): New function.
8325         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
8326         handling.
8327         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
8328         (Target_x86_64::do_reloc_addend): New function.
8329         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
8330         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
8331         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
8332         (Output_reloc::type): New function.
8333         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
8334         (Output_reloc::is_target_specific): New function.
8335         (Output_reloc::target_arg): New function.
8336         (class Output_reloc) [SHT_RELA]: Add four new constructors for
8337         absolute relocs and target specific relocs.
8338         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
8339         add_target_specific.
8340         (class Output_data_reloc) [SHT_RELA]: Likewise.
8341         * output.cc (Output_reloc::Output_reloc): Add four new versions
8342         for absolute relocs and target specific relocs.
8343         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
8344         (Output_reloc::get_symbol_index): Likewise.
8345         (Output_reloc::local_section_offset): Check that local_sym_index_
8346         is not TARGET_CODE or 0.
8347         (Output_reloc::symbol_value): Likewise.
8348         (Output_reloc::write) [SHT_RELA]: Call target for target specific
8349         reloc.
8350         * target.h (class Target): Add reloc_symbol_index and reloc_addend
8351         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
8352         functions.
8353         * layout.cc (add_target_dynamic_tags): Use output section for
8354         DT_PLTRELSZ and DT_JMPREL.
8355
8356 2010-01-07  Ian Lance Taylor  <iant@google.com>
8357
8358         PR 11061
8359         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
8360         function.
8361         (class Output_data_reloc_generic): Define.
8362         (class Output_data_reloc_base): Change base class to
8363         Output_data_reloc_generic.  Change add() method to call
8364         bump_relative_reloc_count for a relative reloc.  Remove
8365         sort_relocs_ field.
8366         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
8367         to sort_relocs().
8368         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
8369         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
8370         appropriate.
8371         * layout.h (class Layout): Update declaration.
8372
8373 2010-01-07  Ian Lance Taylor  <iant@google.com>
8374
8375         * output.h (class Output_data): Add const version of
8376         output_section and do_output_section.
8377         (class Output_section_data): Add const version of
8378         do_output_section.
8379         (class Output_section): Likewise.
8380         * layout.cc (Layout::add_target_dynamic_tags): New function.
8381         * layout.h (class Layout): Update declarations.
8382         * arm.cc (Target_arm::do_finalize_sections): Use
8383         add_target_dynamic_tags.
8384         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8385         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8386         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8387         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8388
8389 2010-01-07  Ian Lance Taylor  <iant@google.com>
8390
8391         PR 11042
8392         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
8393         object as needed.
8394
8395 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
8396             Ian Lance Taylor  <iant@google.com>
8397
8398         PR 11019
8399         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
8400         Xindex::read_symtab_xindex.
8401
8402 2010-01-07  Doug Kwan  <dougkwan@google.com>
8403
8404         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
8405         (Insn_template::thumb16_bcond_insn): New method declaration.
8406         (Insn_template): Fix spelling.
8407         (Stub::thumb16_special): New method declaration.
8408         (Stub::do_write): Define virtual method which was previously pure
8409         virtual.
8410         (Stub::do_thumb16_special): New method declaration.
8411         (Stub::do_fixed_endian_write): New template member.
8412         (Reloc_stub::do_write): Remove.
8413         (Reloc_stub::do_fixed_endian_write): Remove.
8414         (Cortex_a8_stub): New class definition.
8415         (Stub_factory::make_cortex_a8_stub): New method definition.
8416         (Stub_factory::Stub_factory): Add missing static storage class
8417         qualifier for elf32_arm_stub_a8_veneer_blx.
8418
8419 2010-01-07  Ian Lance Taylor  <iant@google.com>
8420
8421         PR 10980
8422         * options.h (class General_options): Add --warn-unresolved-symbols
8423         and --error-unresolved-symbols.
8424         * errors.cc (Errors::undefined_symbol): Implement
8425         --warn-unresolved-symbols.
8426
8427         * options.h (class General_options): Add -z text and -z textoff.
8428         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
8429
8430 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
8431
8432         * gc.h (Garbage_collection::Cident_section_map): New typedef.
8433         (Garbage_collection::cident_sections): New function.
8434         (Garbage_collection::add_cident_section): New function.
8435         (Garbage_collection::cident_sections_): New member.
8436         (gc_process_relocs): Add references to sections whose names are C
8437         identifiers.
8438         * gold.h (cident_section_start_prefix): New constant.
8439         (cident_section_stop_prefix): New constant.
8440         (is_cident): New function.
8441         * layout.cc (Layout::define_section_symbols): Replace string constants
8442         with the newly defined constants.
8443         * object.cc (Sized_relobj::do_layout): Track sections whose names are
8444         C identifiers.
8445         * testsuite/Makefile.am: Add gc_orphan_section_test.
8446         * testsuite/Makefile.in: Regenerate.
8447         * testsuite/gc_orphan_section_test.cc: New file.
8448         * testsuite/gc_orphan_section_test.sh: New file.
8449
8450 2010-01-06  Ian Lance Taylor  <iant@google.com>
8451
8452         PR 10980
8453         * options.h (class General_options): Add --warn-shared-textrel.
8454         * layout.cc (Layout::finish_dynamic_section): Implement
8455         --warn-shared-textrel.
8456
8457         PR 10980
8458         * options.h (class General_options): Add --warn-multiple-gp.
8459
8460 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8461
8462         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
8463         $(THREADSLIB) and $(LIBDL).
8464         * Makefile.in: Rebuild.
8465
8466 2010-01-06  Ian Lance Taylor  <iant@google.com>
8467
8468         PR 10980
8469         * options.cc (General_options::parse_section_start): New function.
8470         (General_options::section_start): New function.
8471         (General_options::General_options): Initialize all members.
8472         * options.h: Include <map>
8473         (class General_options): Add --section-start.  Add section_starts_
8474         member.
8475         * layout.cc (Layout::attach_allocated_section_to_segment): If
8476         --section-start was used, set the address of the segment.  Remove
8477         local sort_sections.
8478         (Layout::relaxation_loop_body): If the address of the load segment
8479         has been set by --section-start, don't use it.
8480         * output.h (Output_segment::update_flags_for_output_section): New
8481         function.
8482         * output.cc (Output_segment::add_output_section): Call
8483         update_flags_for_output_section.
8484
8485 2010-01-05  Ian Lance Taylor  <iant@google.com>
8486
8487         PR 10980
8488         * options.h (class General_options): Add --undefined-version.
8489         * script.cc (struct Version_expression): Add was_matched_by_symbol
8490         field.
8491         (Version_script_info::matched_symbol): New function.
8492         (Version_script_info::get_symbol_version_helper): Call
8493         matched_symbol.
8494         (Version_script_info::check_unmatched_names): New function.
8495         * script.h (class Version_script_info): Update declarations.
8496         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
8497
8498         * options.h (class General_options): Use DEFINE_bool_alias for
8499         allow_multiple_definition.
8500         * resolve.cc (Symbol_table::should_override): Don't test
8501         allow_multiple_definition.
8502
8503         PR 10980
8504         * options.h (class General_options): Add --cref.
8505         * main.cc (main): Print cref table if --cref.  Don't close mapfile
8506         until after printing cref table.
8507         * cref.cc: Include "symtab.h".
8508         (class Cref_inputs): Define Cref_table_compare and Cref_table.
8509         (Cref_table_compare::operator()): New function.
8510         (Cref_inputs::gather_cref): New function.
8511         (filecol): New static const.
8512         (Cref_inputs::print_cref): New function.
8513         (Cref::print_cref): New function.
8514         * cref.h: Include <cstdio>.
8515         (class Cref): Update declarations.
8516         * mapfile.h (Mapfile::file): New function.
8517         * object.h (class Object): Define Symbols.  Declare virtual
8518         do_get_global_symbols.
8519         (Object::get_global_symbols): New function.
8520         * object.cc (Input_objects::add_object): Pass object to cref_ if
8521         --cref.
8522         (Input_objects::archive_start): Likewise.
8523         (Input_objects::archive_stop): Likewise.
8524         (Input_objects::print_cref): New function.
8525         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
8526         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
8527         --cref.
8528         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
8529         function.
8530         * plugin.h (class Sized_pluginobj): Update declarations.
8531
8532 2010-01-05  Ian Lance Taylor  <iant@google.com>
8533
8534         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
8535         to is_default_version.  Rename insdef to insdefault.
8536         (Symbol_table::add_from_relobj): Rename def to is_default_version
8537         and local to is_forced_local.
8538         (Symbol_table::add_from_pluginobj): Likewise.
8539         (Symbol_table::add_from_dynobj): Likewise.
8540         (Symbol_table::define_special_symbol): Rename insdef to
8541         insdefault.
8542
8543 2010-01-04  Ian Lance Taylor  <iant@google.com>
8544
8545         PR 10980
8546         * options.h (class General_options): Add
8547         --allow-multiple-definition and -z muldefs.
8548         * resolve.cc (Symbol_table::should_override): Don't warn about a
8549         multiple symbol definition if --allow-multiple-definition or -z
8550         muldefs.
8551
8552         PR 10980
8553         * options.h (class General_options): Add --add-needed and
8554         --copy-dt-needed-entries.  Tweak --as-needed help entry.
8555         * object.cc (Input_objects::check_dynamic_dependencies): Give an
8556         error if --copy-dt-needed-entries aka --add-needed is used and
8557         would cause a change in behaviour.
8558
8559         PR 10980
8560         * options.h (class General_options): Add -G as a short version of
8561         --shared.  Add no-op options -assert, -g, and -i.
8562
8563 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
8564
8565         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
8566         check for .text or .gnu.linkonce.t sections.
8567         * icf.cc (Icf::find_identical_sections): Ditto.
8568         Change the detection for mangled function name within the section
8569         name.
8570         * icf.h (is_section_foldable_candidate): New function.
8571
8572 2009-12-30  Ian Lance Taylor  <iant@google.com>
8573
8574         PR 10980
8575         * options.h (class General_options): Permit two dashes with
8576         --retain-symbols-file.
8577
8578 2009-12-30  Ian Lance Taylor  <iant@google.com>
8579
8580         PR 10979
8581         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
8582         don't put the file header and segment headers in the text
8583         segment.
8584
8585         PR 10979
8586         * common.cc (Sort_commons::operator()): Stabilize sort when both
8587         entries are NULL.
8588         (Symbol_table::do_allocate_commons_list): When allocating common
8589         symbols, skip a symbol which is no longer common.
8590         * symtab.h (Symbol::is_common): Test whether the symbol comes from
8591         an object before checking its type.
8592         * testsuite/common_test_2.c: New file.
8593         * testsuite/common_test_3.c: New file.
8594         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
8595         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
8596         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
8597         (common_test_2_pic.o, common_test_2.so): New targets.
8598         (common_test_3_pic.o, common_test_3.so): New targets.
8599         * testsuite/Makefile.in: Rebuild.
8600
8601         PR 10979
8602         * script.cc (read_input_script): If we see a new SECTIONS clause,
8603         and we have added an input section, give an error.
8604         * layout.h (class Layout): Add have_added_input_section function.
8605         Add have_added_input_section_ field.
8606         * layout.cc (Layout::Layout): Initialize
8607         have_added_input_section_.
8608         (Layout::layout): Set have_added_input_section_.
8609         (Layout::layout_eh_frame): Likewise.
8610
8611 2009-12-30  Ian Lance Taylor  <iant@google.com>
8612
8613         PR 10931
8614         * options.h (class General_options): Add --sort-common option.
8615         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
8616         * common.cc (Sort_common): Add sort_order parameter to
8617         constructor.  Add sort_order_ field.
8618         (Sort_commons::operator): Check sort_order_.
8619         (Symbol_table::allocate_commons): Determine the sort order.
8620         (Symbol_table::do_allocate_commons): Add sort_order parameter.
8621         Change all callers.
8622         (Symbol_table::do_allocate_commons_list): Likewise.
8623
8624 2009-12-30  Ian Lance Taylor  <iant@google.com>
8625
8626         PR 10916
8627         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
8628         symbols from this object, don't change the visibility of an
8629         undefined symbol.
8630         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
8631
8632 2009-12-30  Ian Lance Taylor  <iant@google.com>
8633
8634         PR 10861
8635         * script.h (class Version_script_info): Define Language enum.
8636         Update declarations.  Define Glob, Exact, and Lookup types.  Add
8637         new fields globals_, locals_, and is_finalized_.
8638         * script.cc: Various formatting fixes.
8639         (class Parser_closure): Change language_stack_ from a vector of
8640         std::string to one of Version_script_info::Language.  Adjust all
8641         uses accordingly.
8642         (class Lazy_demangler): Remove.
8643         (struct Version_expression): Change language from std::string to
8644         Version_script_info::Language.
8645         (Version_script_info::Version_script_info): New function.
8646         (Version_script_info::~Version_script_info): Don't call clear.
8647         (Version_script_info::finalize): New function.
8648         (Version_script_info::build_lookup_tables): New function.
8649         (Version_script_info::build_expression_list_lookup): New
8650         function.
8651         (Version_script_info::get_symbol_version_helper): Rewrite to use
8652         lookup tables.
8653         (Version_script_info::print_expression_list): Adjust to use
8654         Version_script_info::Language.
8655         (script_push_lex_into_version_mode): Check that the version script
8656         has not been finalized.
8657         (version_script_push_lang): Change language string to
8658         Version_script_info::Language.
8659         * options.cc (Command_line::version_script): New function.
8660         * options.h (class General_options): Add finalize_dynamic_list
8661         function.  Change version_script from declaration to definition.
8662         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
8663         * testsuite/version_script.map: Remove duplicate def of foo.
8664         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
8665         version_script.map.
8666         * testsuite/Makefile.in: Rebuild.
8667
8668 2009-12-30  Ian Lance Taylor  <iant@google.com>
8669
8670         PR 10843
8671         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
8672         if the input symbol index is 0, make the output symbol index 0.
8673
8674 2009-12-30  Ian Lance Taylor  <iant@google.com>
8675
8676         PR 10670
8677         * options.h (class General_options): Add -x/--discard-all.
8678         * object.cc (Sized_relobj::do_count_local_symbols): Handle
8679         --discard-all.  If the local symbol needs a dynamic entry, check
8680         that before handling --discard-locals.
8681
8682 2009-12-30  Ian Lance Taylor  <iant@google.com>
8683
8684         PR 10450
8685         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
8686         flags to PF_R.
8687         (Output_segment::add_output_section): Don't change the flags if
8688         the type is PT_TLS.
8689
8690         PR 10450
8691         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
8692         GNU hash table if they need a dynamic value.  Otherwise, don't add
8693         them if they are defined in a dynamic object or are forced local.
8694
8695 2009-12-29  Ian Lance Taylor  <iant@google.com>
8696
8697         PR 10450
8698         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
8699         .gnu.hash table for a 32-bit target.
8700
8701         PR 10450
8702         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
8703         regular and a dynamic object only needs a dynamic symbol table
8704         entry if it is externally visible.
8705
8706         PR 10450
8707         * i386.cc (class Target_i386): Initialize global_offset_table_ in
8708         constructor.  Add global_offset_table_ field.
8709         (Target_i386::got_section): Set global_offset_table_.
8710         (Target_i386::do_finalize_sections): Set global_offset_table_
8711         size.
8712         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
8713         in constructor.  Add global_offset_table_ field.
8714         (Target_x86_64::got_section): Set global_offset_table_.
8715         (Target_x86_64::do_finalize_sections): Set global_offset_table_
8716         size.
8717
8718         * layout.cc (Layout::Layout): Initialize increase_relro_.
8719         (Layout::get_output_section): Add is_relro, is_last_relro, and
8720         is_first_non_relro parameters.  Change all callers.
8721         (Layout::choose_output_section): Likewise.
8722         (Layout::add_output_section_data): Likewise.
8723         (Layout::make_output_section): Likewise.
8724         (Layout::set_segment_offsets): Clear increase_relro when using a
8725         linker script.
8726         * layout.h (class Layout): Add increase_relro method.  Add
8727         increase_relro_ field.  Update declarations.
8728         * output.cc (Output_section::Output_section): Initialize
8729         is_last_relro_ and is_first_non_relro_.
8730         (Output_segment::add_output_section): Group relro sections is
8731         do_sort is true.  Handle is_last_relro and is_first_non_relro.
8732         (Output_segment::maximum_alignment): Remove relro handling.
8733         (Output_segment::set_section_addresses): Add increase_relro
8734         parameter.  Change all callers.  Add initial alignment to align
8735         relro sections on separate page.  Remove old relro handling.
8736         (Output_segment::set_section_list_addresses): Remove in_relro
8737         parameter.  Change all callers.
8738         (Output_segment::set_offset): Add increase parameter.  Change all
8739         callers.  Remove old relro handling.
8740         * output.h (class Output_section): Add new methods: is_last_relro,
8741         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
8742         Add is_last_relro_ and is_first_non_relro_ fields.
8743         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
8744         Create separate .got.plt section.  Call increase_relro.
8745         * x86_64.cc (Target_x86_64::got_section): Likewise.
8746         * testsuite/relro_script_test.t: Add .got.plt.
8747
8748         PR 10450
8749         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
8750         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
8751         (Layout::finalize): Call set_dynamic_symbol_size.
8752         (Layout::set_dynamic_symbol_size): New function.
8753         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
8754         set_dynamic_symbol_size.
8755
8756         PR 10450
8757         * output.h (class Output_section): Add is_entsize_zero_ field.
8758         * output.cc (Output_section::Output_section): Initialize
8759         is_entsize_zero_.
8760         (Output_section::set_entsize): If two different entsizes are
8761         requested, force it to zero.
8762         (Output_section::add_input_section): Set flags for .debug_str
8763         before updating section flags.  Set entsize.
8764         (Output_section::update_flags_for_input_section): Set SHF_MERGE
8765         and SHF_STRING if all input sections have those flags.
8766
8767 2009-12-29   Rafael Espindola  <espindola@google.com>
8768
8769         * main.cc (main): Fix the sys time reporting.
8770         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
8771         reporting.
8772
8773 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
8774
8775         * options.cc (General_options::parse_version): Allow -v to exit
8776         without an error if there is nothing to link.
8777
8778 2009-12-29  Ian Lance Taylor  <iant@google.com>
8779
8780         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
8781         using a version of gcc before 4.1.
8782         * configure: Rebuild.
8783
8784 2009-12-28  Chris Demetriou  <cgd@google.com>
8785
8786         * attributes.cc (Output_attributes_section_data::do_write): Use
8787         std::vector::front rather than std::vector::data.
8788
8789 2009-12-28  Ian Lance Taylor  <iant@google.com>
8790
8791         * symtab.h (class Symbol_table): Add enum Defined.
8792         * resolve.cc (Symbol_table::should_override): Add defined
8793         parameter.  Change all callers.  Test whether object is NULL
8794         before calling a method on it.
8795         (Symbol_table::report_resolve_problem): Add defined parameter.
8796         Change all callers.
8797         (Symbol_table::should_override_with_special): Likewise.
8798         * symtab.cc (Symbol_table::define_in_output_data): Add defined
8799         parameter.  Change all callers.
8800         (Symbol_table::do_define_in_output_data): Likewise.
8801         (Symbol_table::define_in_output_segment): Likewise.
8802         (Symbol_table::do_define_in_output_segment): Likewise.
8803         (Symbol_table::define_as_constant): Likewise.
8804         (Symbol_table::do_define_as_constant): Likewise.
8805         * script.h (class Symbol_assignment): Add is_defsym parameter to
8806         constructor; change all callers.
8807         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
8808         parameter.  Change all callers.  Add is_defsym_ field.
8809         (class Parser_closure): Add parsing_defsym parameter to
8810         constructor; change all callers.  Add parsing_defsym accessor
8811         function.  Add parsing_defsym_ field.
8812
8813 2009-12-28  Ian Lance Taylor  <iant@google.com>
8814
8815         * gold.cc (queue_middle_tasks): Fix formatting.
8816         * object.cc (Relobj::is_section_name_included): Likewise.
8817
8818 2009-12-23  Ian Lance Taylor  <iant@google.com>
8819
8820         * i386.cc (Target_i386::do_calls_non_split): Recognize
8821         -fsplit-stack prologue for a function with a static chain.
8822         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
8823         -fsplit-stack prologue when using %r11.
8824
8825 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
8826
8827         * options.cc (General_options::parse_version): Make -v continue and do
8828         the link like GNU ld does.
8829
8830 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
8831
8832         * Makefile.am (CCFILES): Add timer.cc.
8833         (HFILES): Add timer.h.
8834         * configure.ac: Check for sysconf and times.
8835         * main.cc: include timer.h.
8836         (main): Use Timer instead of get_run_time.
8837         * timer.cc: New.
8838         * timer.h: New.
8839         * workqueue.cc: include timer.h.
8840         (Workqueue::find_and_run_task):
8841         Report user, sys and wall time.
8842         * Makefile.in: Regenerate.
8843         * config.in: Regenerate.
8844         * configure: Regenerate.
8845
8846 2009-12-16  Doug Kwan  <dougkwan@google.com>
8847
8848         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
8849         sections.
8850         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
8851         relaxed input sections.
8852         * output.cc (Output_section::find_relaxed_input_section): Change
8853         return type to Output_relaxed_input_section pointer.  Adjust code
8854         for new type of relaxed_input_section_map_.
8855         * output.h (Output_section::find_relaxed_input_section): Change
8856         return type to Output_relaxed_input_section pointer.
8857         (Output_section::Output_relaxed_input_section_by_input_section_map):
8858         New type.
8859         (Output_section::relaxed_input_section_map_): Change type to
8860         Output_section::Output_relaxed_input_section_by_input_section_map.
8861         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
8862         input section.
8863
8864 2009-12-15  Ian Lance Taylor  <iant@google.com>
8865
8866         * layout.cc (Layout::create_shstrtab): Only write out after input
8867         sections if we are compressing debug sections.
8868
8869 2009-12-15  Ian Lance Taylor  <iant@google.com>
8870
8871         * archive.cc (Archive::add_symbols): Only look up a symbol without
8872         a version if there is, in fact, a version.
8873
8874 2009-12-14  Ian Lance Taylor  <iant@google.com>
8875
8876         Revert -Wshadow changes, all changes from:
8877         2009-12-11  Doug Kwan  <dougkwan@google.com>
8878         2009-12-11  Nick Clifton  <nickc@redhat.com>
8879         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
8880
8881 2009-12-11  Doug Kwan  <dougkwan@google.com>
8882
8883         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
8884         due to -Wshadow.
8885         * attributes.cc (Object_attribute::size): Ditto.
8886         (Attributes_section_data::size): Ditto.
8887         (Attributes_section_data::Attributes_section_data): Ditto.
8888         (Output_attributes_section_data::do_write): Ditto.
8889         * attributes.h (Object_attribute::set_type): Ditto.
8890         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
8891
8892 2009-12-11  Nick Clifton  <nickc@redhat.com>
8893
8894         * archive.cc: Fix shadowed variable warnings.
8895         * arm.cc: Likewise.
8896         * compressed_output.cc: Likewise.
8897         * compressed_output.h: Likewise.
8898         * configure: Likewise.
8899         * dwarf_reader.cc: Likewise.
8900         * dynobj.cc: Likewise.
8901         * dynobj.h: Likewise.
8902         * ehframe.cc: Likewise.
8903         * ehframe.h: Likewise.
8904         * errors.cc: Likewise.
8905         * expression.cc: Likewise.
8906         * fileread.cc: Likewise.
8907         * fileread.h: Likewise.
8908         * freebsd.h: Likewise.
8909         * i386.cc: Likewise.
8910         * icf.cc: Likewise.
8911         * incremental.h: Likewise.
8912         * layout.cc: Likewise.
8913         * layout.h: Likewise.
8914         * mapfile.cc: Likewise.
8915         * merge.cc: Likewise.
8916         * merge.h: Likewise.
8917         * object.cc: Likewise.
8918         * object.h: Likewise.
8919         * options.h: Likewise.
8920         * output.cc: Likewise.
8921         * output.h: Likewise.
8922         * parameters.cc: Likewise.
8923         * plugin.cc: Likewise.
8924         * powerpc.cc: Likewise.
8925         * reduced_debug_output.cc: Likewise.
8926         * reduced_debug_output.h: Likewise.
8927         * reloc.cc: Likewise.
8928         * reloc.h: Likewise.
8929         * resolve.cc: Likewise.
8930         * script-sections.cc: Likewise.
8931         * script.cc: Likewise.
8932         * script.h: Likewise.
8933         * sparc.cc: Likewise.
8934         * symtab.cc: Likewise.
8935         * symtab.h: Likewise.
8936         * target-select.cc: Likewise.
8937         * target-select.h: Likewise.
8938         * token.h: Likewise.
8939         * workqueue.cc: Likewise.
8940         * workqueue.h: Likewise.
8941         * x86_64.cc: Likewise.
8942
8943 2009-12-10  Doug Kwan  <dougkwan@google.com>
8944
8945         * arm.cc (attributes.h): New include.
8946         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
8947         (Arm_relobj::~Arm_relobj): Delete object pointed by
8948         attributes_section_data_.
8949         (Arm_relobj::attributes_section_data): New method definition.
8950         (Arm_relobj::attributes_section_data_): New data member declaration.
8951         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
8952         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
8953         attributes_section_data_.
8954         (Arm_dynobj::attributes_section_data): New method definition.
8955         (Arm_dynobj::attributes_section_data_): New data member declaration.
8956         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
8957         initialization value of may_use_blx_ to false.
8958         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
8959         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
8960         object attributes to compute results instead of hard-coding.
8961         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
8962         Target_arm::get_secondary_compatible_arch,
8963         Target_arm::set_secondary_compatible_arch
8964         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8965         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
8966         New method declarations.
8967         (Target_arm::get_aeabi_object_attribute): New method definition.
8968         (Target_arm::attributes_section_data_): New data member declaration.
8969         (read_arm_attributes_section): New template definition.
8970         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
8971         (Arm_dynobj::do_read_symbols): Ditto.
8972         (Target_arm::do_finalize_sections): Merge attributes sections from
8973         input.  Check for BLX use after attributes section merging.
8974         Fix __exidx_start and __exidx_end visibility.  Create an
8975         .ARM.attributes section if necessary.
8976         (Target_arm::get_secondary_compatible_arch,
8977         Target_arm::set_secondary_compatible_arch,
8978         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
8979         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
8980         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
8981         New method definitions.
8982
8983 2009-12-09  Ian Lance Taylor  <iant@google.com>
8984
8985         * plugin.cc (Plugin::load): Don't cast from void* to a function
8986         pointer.
8987
8988 2009-12-09  Ian Lance Taylor  <iant@google.com>
8989
8990         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
8991         information fields.
8992
8993 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
8994
8995         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
8996         Replace two_file_shared_1.so with two_file_shared_2.so.
8997         * testsuite/Makefile.in: Regenerated.
8998
8999 2009-12-08  Doug Kwan  <dougkwan@google.com>
9000
9001         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
9002         (HFILES): Add attributes.h and int_encoding.h.
9003         * Makefile.in: Regenerate.
9004         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
9005         function definitions to int_encoding.cc
9006         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
9007         prototypes to int_encoding.h
9008         * reduced_debug_output.cc (int_encoding.h): New include.
9009         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
9010         function definitions to int_encoding.cc
9011         (insert_into_vector, read_from_pointer): Move template definitions to
9012         int_encoding.h
9013         * attributes.cc: New file.
9014         * attributes.h: New file.
9015         * int_encoding.cc: New file.
9016         * int_encoding.h: New file.
9017
9018 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
9019
9020         PR gold/11055
9021         * incremental-dump.cc (dump_incremental_inputs): New.
9022         (main): Use dump_incremental_inputs.
9023
9024 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
9025
9026         PR gold/10893
9027         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
9028         checking elfcpp::STT_FUNC.
9029         (Target_i386::Relocate::relocate): Likewise.
9030         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
9031
9032         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
9033         symbols from shared libraries into normal FUNC symbols.
9034
9035         * symtab.h (Symbol): Add is_func and use it.
9036
9037 2009-12-05  Doug Kwan  <dougkwan@google.com>
9038
9039         * arm.cc (Target_arm::arm_info): Initialize new fields
9040         attributes_section and attributes_vendor.
9041         * i386.cc (Target_i386::i386_info): Same.
9042         * object.cc (Sized_relobj::do_layout): Skip attribute section.
9043         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
9044         fields attributes_section and attributes_vendor.
9045         * sparc.cc (Target_sparc::sparc_info): Same.
9046         * target.h (Target::attributes_section, Target::attributes_vendor,
9047         Target::is_attributes_section, Target::attribute_arg_type,
9048         Target::attributes_order): New method definitions.
9049         (Target::Target_info::attributes_section,
9050         Target::Target_info::attributes_vendor): New fields.
9051         (Target::do_attribute_arg_type, Target::do_attributes_order): New
9052         virtual method definitions.
9053         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
9054         attributes_section and attributes_vendor.
9055         * testsuite/testfile.cc (Target_test::test_target_info): Same.
9056
9057 2009-12-05  Doug Kwan  <dougkwan@google.com>
9058
9059         * arm.cc: Update comments about interworking and stub generation.
9060         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
9061         considered as non-PIC.
9062         (Arm_relocate_functions::base_abs): Fix formatting.
9063         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
9064         of function to use GOT entry address instead of offset.
9065         (Target_arm::Scan::global): Issue an error if a symbol would need a
9066         PLT does not get one because it is untyped.  Remove code to create
9067         dynamic symbols for relative branches.
9068         (Target_arm::Relocate::relocate: Use 0 instead of false since function
9069         takes unsigned integer instead of boolean.
9070
9071 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
9072
9073         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
9074         (two_file_test_LDADD): Likewise.
9075         (common_test_1_LDADD): Likewise.
9076         (exception_test_LDADD) Likewise.
9077         (weak_test_LDADD): Likewise.
9078         (many_sections_test_LDADD): Likewise.
9079         (initpri1_LDADD): Likewise.
9080         (script_test_1_LDADD): Likewise.
9081         (script_test_2_LDADD): Likewise.
9082         (justsyms_LDADD): Likewise.
9083         (binary_test_LDADD): Likewise.
9084         (large_LDADD): Likewise.
9085         * testsuite/Makefile.in: Regenerated.
9086
9087 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
9088
9089         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
9090         (Symbol_table::override_with_special): Likewise.
9091         (Symbol_table::add_from_object): Likewise.
9092
9093 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
9094
9095         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
9096         Don't set the data_offset twice.
9097
9098 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
9099
9100         * testsuite/Makefile.in: Regenerate.
9101
9102 2009-12-03  Doug Kwan  <dougkwan@google.com>
9103
9104         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
9105         (Target_arm::do_finalize_sections): Add parameter for symbol table
9106         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
9107         * i386.cc (Target_i386::do_finalize_sections): Add an additional
9108         parameter for symbol table pointer.
9109         * layout.cc (Layout::finalize): Call Target::finalize_sections with
9110         an additional parameter for a pointer to symbol table.
9111         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
9112         parameter for a symbol table pointer.
9113         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
9114         * target.h (Target::finalize_sections, Target::do_finalize_sections):
9115         Ditto.
9116         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
9117         parameter for a symbol table pointer.
9118
9119 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
9120
9121         * incremental.cc (Incremental_inputs_header)
9122         (Incremental_inputs_header_write, Incremental_inputs_entry)
9123         (Incremental_inputs_entry_write): Move ...
9124         * incremental.h (Incremental_inputs_header)
9125         (Incremental_inputs_header_write, Incremental_inputs_entry)
9126         (Incremental_inputs_entry_write): here.
9127
9128 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9129
9130         * incremental.cc (make_sized_incremental_binary): Set the target.
9131         Error if it is incompatible.
9132         * output.h (Output_file): Add filename method.
9133
9134 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9135
9136         * incremental.cc (Incremental_inputs_entry): Remove unused argument
9137         from the get_* methods.
9138
9139 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9140
9141         * incremental-dump.cc (main): Check that the offeset of a script is 0.
9142         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
9143         Write 0 for the data_offset of scripts.
9144
9145 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9146
9147         * testsuite/Makefile.am: Add the incremental_test.sh test.
9148         * testsuite/incremental_test.sh: New.
9149         * testsuite/incremental_test_1.c: New.
9150         * testsuite/incremental_test_2.c: New.
9151
9152 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
9153
9154         * incremental-dump.cc (main): Fix typos.
9155
9156 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
9157
9158         PR gold/11025
9159         * incremental-dump.cc (main): Use llu to print 64 bit values.
9160
9161 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
9162             H.J. Lu  <hongjiu.lu@intel.com>
9163
9164         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
9165         $(LIBDL).
9166         (incremental_dump_LDADD): Likewise.
9167         * Makefile.in: Regenerated.
9168
9169 2009-11-25  Doug Kwan  <dougkwan@google.com>
9170
9171         Revert:
9172
9173         2009-11-25  Doug Kwan  <dougkwan@google.com>
9174
9175                 * arm.cc (Target_arm::Target_arm): Move method definition
9176                 outside of class definition.  Add code to handle
9177                 --target1-rel, --target1-abs and --target2= options.
9178                 (Target_arm::get_reloc_reloc_type): Change method to be
9179                 non-static and const.
9180                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
9181                 New data member declaration.
9182                 (Target_arm::Scan::local, Target_arm::Scan::global,
9183                 Target_arm::Relocate::relocate,
9184                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9185                 Adjust call to Target_arm::get_real_reloc_type.
9186                 (Target_arm::get_real_reloc_type): Use command line options
9187                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
9188                 * options.h (--target1-rel, --target1-abs, --target2): New
9189                 ARM-only options.
9190
9191 2009-11-25  Doug Kwan  <dougkwan@google.com>
9192
9193         * arm.cc (Target_arm::Target_arm): Move method definition outside of
9194         class definition.  Add code to handle --target1-rel, --target1-abs
9195         and --target2= options.
9196         (Target_arm::get_reloc_reloc_type): Change method to be non-static
9197         and const.
9198         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
9199         member declaration.
9200         (Target_arm::Scan::local, Target_arm::Scan::global,
9201         Target_arm::Relocate::relocate,
9202         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
9203         call to Target_arm::get_real_reloc_type.
9204         (Target_arm::get_real_reloc_type): Use command line options to
9205         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
9206         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
9207         options.
9208
9209 2009-11-25  Doug Kwan  <dougkwan@google.com>
9210
9211         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
9212         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
9213         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
9214         formatting.
9215         (Arm_relocate_functions::thm_call): Replace body with a call to
9216         Arm_relocate_functions::thumb_branch_common.
9217         (Arm_relocate_functions::thm_jump24,
9218         Arm_relocate_functions::thm_xpc22): New method definitions.
9219         (Arm_relocate_functions::thumb_branch_common): New method definition.
9220         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
9221         operator.
9222         (Target_arm::Relocate::relocate): Adjust call to thm_call.
9223         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
9224
9225 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9226
9227         * Makefile.am: Build incremental-dump
9228         * Makefile.in: Regenerate.
9229         * incremental-dump.cc: New.
9230         * incremental.cc (Incremental_inputs_header_data,
9231         Incremental_inputs_entry_data): Move to incremental.h
9232         * incremental.h: (Incremental_inputs_header_data,
9233         Incremental_inputs_entry_data): Move from incremental.cc
9234
9235 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9236
9237         * incremental.cc (Incremental_inputs_header,
9238         Incremental_inputs_header_write, Incremental_inputs_entry,
9239         Incremental_inputs_entry_write): Add a typedef with the data type.
9240
9241 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9242
9243         * incremental.cc (Incremental_inputs_header,
9244         Incremental_inputs_header_write, Incremental_inputs_entry,
9245         Incremental_inputs_entry_write): Update comment about which
9246         type has the filed descriptions.
9247
9248 2009-11-15  Doug Kwan  <dougkwan@google.com>
9249
9250         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
9251         (Arm_relocate_functions::arm_branch_common): Change method defintion
9252         in class definition to a method declaration and update list of formal
9253         parameters.
9254         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
9255         Arm_relocation_functions::jump24): Adjust call to
9256         Arm_relocate_functions::arm_branch_common.  Update list of formal
9257         parameters.
9258         (Arm_relocate_functions::xpc25): New method definition.
9259         (Arm_relocate_functions::arm_branch_common): Move method defintion
9260         out from class definition.  Use stubs for mode-switching and extending
9261         branch ranges.
9262         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
9263         specially.  Change code to enable use of stubs in ARM branches.
9264
9265 2009-11-10  Doug Kwan  <dougkwan@google.com>
9266
9267         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
9268         in method declaration.
9269         (Target_arm::relocate_stub): New method declaration.
9270         (Target_arm::default_target): Change to return a pointer instead of
9271         a const reference.
9272         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
9273         Target_arm::default_target.
9274         (Arm_Relobj::do_relocate_sections): Remove options paramater in
9275         method definition.
9276         (Target_arm::relocate_section): Adjust view.
9277         (Target_arm::relocate_stub): New method definition.
9278
9279 2009-11-10  Doug Kwan  <dougkwan@google.com>
9280
9281         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
9282         a format warning.
9283         * incremental.cc (open_incremental_binary): Initialized local
9284         variables to avoid warnings.
9285         * object.cc (make_elf_object): Ditto.
9286         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
9287         a format warning.
9288
9289 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
9290
9291         PR gold/10930
9292         * testsuite/plugin_test.c: Include "config.h".
9293
9294 2009-11-09  Doug Kwan  <dougkwan@google.com>
9295
9296         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
9297         (arm_symbol_value): Remove.
9298         (Arm_relocate_functions::arm_branch_common,
9299         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
9300         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
9301         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
9302         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
9303         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
9304         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
9305         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
9306         Arm_relocate_functions::thm_mobw_abs_nc,
9307         Arm_relocate_functions::thm_mov_abs,
9308         Arm_relocate_functions::movw_prel_nc,
9309         Arm_relocate_functions::thm_movt_abs,
9310         Arm_relocate_functions::movt_prel,
9311         Arm_relocate_functions::thm_movw_prel_nc,
9312         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
9313         (Target_arm::Relocate::relocate): Only decompose address into two
9314         parts if relocation type uses the thumb-bit and pass the actual
9315         bit instead of a flag indicating that the thumb-bit is used.  Adjust
9316         calls to methods in Arm_relocate_functions for this change.
9317
9318 2009-11-08  Ian Lance Taylor  <iant@google.com>
9319
9320         PR 10925
9321         * reloc.cc: Instantiate
9322         Sized_relobj::initialize_input_to_output_maps and
9323         Sized_relobj:free_input_to_output_maps.
9324
9325 2009-11-06  Ian Lance Taylor  <iant@google.com>
9326
9327         PR 10876
9328         * defstd.cc (in_segment): Set only_if_ref true for "end".
9329
9330 2009-11-06  Doug Kwan  <dougkwan@google.com>
9331
9332         * arm.cc (class Reloc_stub): Correct a comment.
9333         (Target_arm::Target_arm): Initialize arm_input_section_map_.
9334         (Target_arm::scan_section_for_stubs): New method declaration.
9335         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
9336         Change methods from private to protected.
9337         (Target_arm::do_may_relax): New method definition.
9338         (Target_arm::do_relax, Target_arm::group_sections,
9339         Target_arm::scan_reloc_for_stub,
9340         Target_arm::scan_reloc_section_for_stubs): New method declarations.
9341         (Target_arm::arm_input_section_map_): New data member declaration.
9342         (Target_arm::scan_reloc_for_stub,
9343         Target_arm::scan_reloc_section_for_stubs,
9344         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
9345         Target_arm::do_relax): New method definitions.
9346
9347 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
9348
9349         * configure.ac: Check for (struct stat)::st_mtim
9350         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
9351         * config.in: Regenerate.
9352         * configure: Regenerate.
9353
9354 2009-11-05  Ian Lance Taylor  <iant@google.com>
9355
9356         PR 10910
9357         * output.cc (Output_segment::add_output_section): Add missing
9358         return statement.
9359
9360 2009-11-04  Ian Lance Taylor  <iant@google.com>
9361
9362         PR 10880
9363         * object.h (class Object): Add is_needed and set_is_needed
9364         methods.  Add is_needed_ field.  Make bool fields into bitfields.
9365         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
9366         defined in a dynamic object and referenced by a regular object,
9367         set is_needed for the dynamic object.
9368         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
9369         if the file is marked with as_needed and it is not needed.
9370
9371 2009-11-04  Ian Lance Taylor  <iant@google.com>
9372
9373         PR 10887
9374         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
9375         tags if data is discarded by linker script.
9376         * i386.cc (Target_i386::do_finalize_sections): Likewise.
9377         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
9378         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
9379         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
9380
9381 2009-11-04  Ian Lance Taylor  <iant@google.com>
9382
9383         * layout.cc (Layout::get_output_section): Add is_interp and
9384         is_dynamic_linker_section parameters.  Change all callers.
9385         (Layout::choose_output_section): Likewise.
9386         (Layout::make_output_section): Likewise.
9387         (Layout::add_output_section_data): Add is_dynamic_linker_section
9388         parameter.  Change all callers.
9389         * layout.h (class Layout): Update declarations.
9390         * output.h (class Output_section): Add is_interp, set_is_interp,
9391         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
9392         Add is_interp_, is_dynamic_linker_section_ fields.  Change
9393         generate_code_fills_at_write_ to a bitfield.
9394         * output.cc (Output_section::Output_sections): Initialize new
9395         fields.
9396         (Output_segment::add_output_section): Add do_sort parameter.
9397         Change all callers.
9398
9399 2009-11-03  Ian Lance Taylor  <iant@google.com>
9400
9401         PR 10860
9402         * options.h (class General_options): Add --warn-common.
9403         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
9404         merging two common symbols.
9405         (Symbol_table::should_override): Handle --warn-common when merging
9406         a common symbol with a defined symbol.  Use report_resolve_problem
9407         for multiple definitions.
9408         (Symbol_table::report_resolve_problem): New function.
9409         * symtab.h (class Symbol_table): Declare report_resolve_problem.
9410
9411 2009-11-03  Doug Kwan  <dougkwan@google.com>
9412
9413         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
9414         stub_factory_.
9415         (Target_arm::stub_factory): New method definition.
9416         (Target_arm::new_arm_input_section,
9417         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
9418         Target_arm::reloc_uses_thumb_bit): New method declarations.
9419         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
9420         New type definitions.
9421         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
9422         member declarations.
9423         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
9424         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
9425         New method definitions.
9426
9427 2009-11-03  Ian Lance Taylor  <iant@google.com>
9428
9429         * options.h (class General_options): Add --warn_constructors.
9430
9431 2009-11-03  Ian Lance Taylor  <iant@google.com>
9432
9433         PR 10893
9434         * defstd.cc (in_section): Add entries for __rel_iplt_start,
9435         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
9436
9437 2009-11-03  Ian Lance Taylor  <iant@google.com>
9438
9439         PR 10895
9440         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
9441         --msgid-bugs-address.
9442         (install-pdf): New target.
9443         (install-data_yes): Look up one directory to find mkinstalldirs.
9444
9445 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
9446
9447         * po/Make-in (.po.gmo): Don't generate .gmo files in source
9448         tree.
9449
9450 2009-10-30  Doug Kwan  <dougkwan@google.com>
9451
9452         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
9453
9454 2009-10-30  Doug Kwan  <dougkwan@google.com>
9455
9456         * arm.cc (Stub_addend_reader): New struct template definition
9457         and partial specializations.
9458         (Stub_addend_reader::operator()): New method definition for a
9459         partially specialized template.
9460
9461 2009-10-30  Doug Kwan  <dougkwan@google.com>
9462
9463         * arm.cc (Arm_relobj::processor_specific_flags): New method
9464         definition.
9465         (Arm_relobj::do_read_symbols): New method declaration.
9466         (Arm_relobj::processor_specific_flags_): New data member declaration.
9467         (Arm_dynobj): New class definition.
9468         (Target_arm::do_finalize_sections): Add input_objects parameter.
9469         (Target_arm::do_adjust_elf_header): New method declaration.
9470         (Target_arm::are_eabi_versions_compatible,
9471         (Target_arm::merge_processor_specific_flags): New method declaration.
9472         (Target_arm::do_make_elf_object): New overloaded method definitions
9473         and declaration.
9474         (Arm_relobj::do_read_symbols): New method definition.
9475         (Arm_dynobj::do_read_symbols): Ditto.
9476         (Target_arm::do_finalize_sections): Add input_objects parameters.
9477         Merge processor-specific flags from all input objects.
9478         (Target_arm::are_eabi_versions_compatible,
9479         Target_arm::merge_processor_specific_flags,
9480         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
9481         New method definitions.
9482         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
9483         Input_objects pointer type parameter.
9484         * layout.cc (Layout::finalize): Pass input objects to target's.
9485         finalize_sections function.
9486         * output.cc (Output_file_header::do_sized_write): Set ELF file
9487         header's processor-specific flags.
9488         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
9489         Input_objects pointer type parameter.
9490         * sparc.cc (Target_sparc::do_finalize_sections): Same.
9491         * target.h (Input_objects): New forward class declaration.
9492         (Target::processor_specific_flags,
9493         Target::are_processor_specific_flags_sect): New method definitions.
9494         (Target::finalize_sections): Add input_objects parameter.
9495         (Target::Target): Initialize processor_specific_flags_ and
9496         are_processor_specific_flags_set_.
9497         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
9498         parameter.
9499         (Target::set_processor_specific_flags): New method definition.
9500         (Target::processor_specific_flags_,
9501         Target::are_processor_specific_flags_set_): New data member
9502         declarations.
9503         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
9504         Input_objects pointer type parameter.
9505
9506 2009-10-30  Doug Kwan  <dougkwan@google.com>
9507
9508         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
9509
9510 2009-10-28  Ian Lance Taylor  <iant@google.com>
9511
9512         * object.h (class Relobj): Drop options parameter from
9513         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
9514         do_scan_relocs, do_relocate.  Change all callers.
9515         (class Sized_relobj): Drop options parameters from
9516         do_gc_process_relocs, do_scan_relocs, do_relocate,
9517         do_relocate_sections, relocate_sections, emit_relocs_scan,
9518         emit_relocs_scan_reltype.  Change all callers.
9519         (struct Relocate_info): Remove options field and all references to
9520         it.
9521         * reloc.h (class Read_relocs): Remove options constructor
9522         parameter and options_ field.  Change all callers.
9523         (class Gc_process_relocs, class Scan_relocs): Likewise.
9524         (class Relocate_task): Likewise.
9525         * target-reloc.h (scan_relocs): Remove options parameter.  Change
9526         all callers.
9527         (scan_relocatable_relocs): Likewise.
9528         * target.h (class Sized_target): Remove options parameter from
9529         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
9530         all callers.
9531         * gc.h (gc_process_relocs): Remove options parameter.  Change all
9532         callers.
9533         * arm.cc: Update functions to remove options parameters.
9534         * i386.cc: Likewise.
9535         * powerpc.cc: Likewise.
9536         * sparc.cc: Likewise.
9537         * x86_64.cc: Likewise.
9538         * testsuite/testfile.cc: Likewise.
9539
9540 2009-10-28  Doug Kwan  <dougkwan@google.com>
9541
9542         * arm.cc (Arm_relobj): New class definition.
9543         (Arm_relobj::scan_sections_for_stubs,
9544         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
9545         New method definitions.
9546
9547 2009-10-28  Cary Coutant  <ccoutant@google.com>
9548
9549         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
9550         (Plugin::cleanup_done_): New member.
9551         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
9552         (Plugin_manager::cleanup_done_): Remove.
9553         (Plugin_manager::add_input_file): Edit error message.
9554         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
9555         (Plugin_manager::cleanup): Remove use of cleanup_done_.
9556
9557 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
9558
9559         * fileread.cc: (File_read::View::~View): Use the new
9560         data_ownership_ filed.
9561         (File_read::~File_read): Dispose the new whole_file_view_.
9562         (File_read::open): Mmap the whole file if needed.
9563         (File_read::open): Use whole_file_view_ instead of contents_.
9564         (File_read::find_view): Use whole_file_view_ if applicable.
9565         (File_read::do_read): Use whole_file_view_ instead of contents_.
9566         (File_read::make_view): Use whole_file_view_ instead of contents_,
9567         update File_read::View::View call.
9568         (File_read::find_or_make_view): Update File_read::View::View
9569         call.
9570         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
9571         remove contents_
9572         (File_read::View::Data_ownership): New enum.
9573         (File_read::View::View): Replace bool mapped_ with Data_ownership
9574         argument.
9575         (File_read::View::mapped_): Remove (replaced by data_ownership_).
9576         (File_read::View::data_ownership_): New field.
9577         (File_read::contents_): Remove (replaced by whole_file_view_).
9578         (File_read::whole_file_view_): New field.
9579         * options.h (class General_options): Add --keep-files-mapped.
9580
9581 2009-10-27  Cary Coutant  <ccoutant@google.com>
9582
9583         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
9584         * testsuite/Makefile.am (plugin_test_5): New test case.
9585         * testsuite/Makefile.in: Regenerate.
9586
9587 2009-10-25  Doug Kwan  <dougkwan@google.com>
9588
9589         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
9590         from private to protected to allow access by child class.
9591         (Sized_relobj::do_relocate_sections): New method declaration.
9592         (Sized_relobj::relocate_sections): Virtualize.
9593         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
9594         Sized_relobj::relocate_sections.  Instantiate template explicitly
9595         for different target sizes and endianity.
9596
9597 2009-10-24  Doug Kwan  <dougkwan@google.com>
9598
9599         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
9600         (Arm_input_section::as_arm_input_section): New method.
9601         (Arm_output_section): New class definition.
9602         (Arm_output_section::create_stub_group,
9603         Arm_output_section::group_sections): New method definitions.
9604
9605 2009-10-22  Doug Kwan  <dougkwan@google.com>
9606
9607         * arm.cc (Arm_input_section): New class definition.
9608         (Arm_input_section::init, Arm_input_section:do_write,
9609         Arm_input_section::set_final_data_size,
9610         Arm_input_section::do_reset_address_and_file_offset): New method
9611         definitions.
9612
9613 2009-10-21  Doug Kwan  <dougkwan@google.com>
9614
9615         * arm.cc (Stub_table, Arm_input_section): New forward class
9616         declarations.
9617         (Stub_table): New class defintion.
9618         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
9619         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
9620         New method definition.
9621
9622 2009-10-21  Doug Kwan  <dougkwan@google.com>
9623
9624         * arm.cc: Update copyright comments.
9625         (Target_arm): New forward class template declaration.
9626         (Arm_address): New type.
9627         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
9628         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
9629         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
9630         constants.
9631         (Insn_template): Same.
9632         (DEF_STUBS): New macro.
9633         (Stub_type): New enum type.
9634         (Stub_template): New class definition.
9635         (Stub): Same.
9636         (Reloc_stub): Same.
9637         (Stub_factory): Same.
9638         (Target_arm::Target_arm): Initialize may_use_blx_ and
9639         should_force_pic_veneer_.
9640         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
9641         Target_arm::should_force_pic_veneer,
9642         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
9643         Target_arm::using_thumb_only, Target_arm:;default_target): New
9644         method defintions.
9645         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
9646         New data member declarations.
9647         (Insn_template::size, Insn_template::alignment): New method defintions.
9648         (Stub_template::Stub_template): New method definition.
9649         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
9650         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
9651         (Stub_factory::Stub_factory): New method definition.
9652         * gold.h (string_hash): New template.
9653         * output.h (Input_section_specifier::hash_value): Use
9654         gold::string_hash.
9655         (Input_section_specifier::string_hash): Remove.
9656         * stringpool.cc (Stringpool_template::string_hash): Use
9657         gold::string_hash.
9658
9659 2009-10-20  Doug Kwan  <dougkwan@google.com>
9660
9661         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
9662         symbols of relaxed input sections.
9663         * output.h (Output_section::find_relaxed_input_section): Make
9664         method public.
9665
9666 2009-10-16  Doug Kwan  <dougkwan@google.com>
9667
9668         * dynobj.cc (Versions::Versions): Initialize version_script_.
9669         Only insert base version symbol definition for a shared object
9670         if version script defines any version versions.
9671         (Versions::define_base_version): New method definition.
9672         (Versions::add_def): Check that base version is not needed.
9673         (Versions::add_need): Define base version lazily.
9674         * dynobj.h (Versions::define_base_version): New method declaration.
9675         (Versions::needs_base_version_): New data member declaration.
9676         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
9677         (check_DATA): Add no_version_test.stdout.
9678         (libno_version_test.so, no_version_test.o no_version_test.stdout):
9679         New make rules.
9680         * testsuite/Makefile.in: Regenerate.
9681         * testsuite/no_version_test.c: New file.
9682         * testsuite/no_version_test.sh: Ditto.
9683
9684 2009-10-16  Doug Kwan  <dougkwan@google.com>
9685
9686         * expression.cc (class Segment_start_expression): New class definition.
9687         (Segment_start_expression::value): New method definition.
9688         (script_exp_function_segment_start): Return a new
9689         Segment_start_expression.
9690         * gold/script-c.h (script_saw_segment_start_expression): New function
9691         prototype.
9692         * script-sections.cc (Script_sections::Script_sections): Initialize
9693         SAW_SEGMENT_START_EXPRESSION_ to false.
9694         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
9695         and -Tbbs options to specify section addresses if given in
9696         command line and no SEGMENT_START expression is seen in a script.
9697         * script-sections.h (Script_sections::saw_segment_start_expression,
9698         Script_sections::set_saw_segment_start_expression): New method
9699         definition.
9700         (Script_sections::saw_segment_start_expression_): New data member
9701         declaration.
9702         * script.cc (script_saw_segment_start_expression): New function.
9703         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
9704         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
9705         script_test_7.sh and script_test_8.sh.
9706         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
9707         script_test_8.stdout.
9708         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
9709         (script_test_6, script_test_6.stdout, script_test_7,
9710         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
9711         * Makefile.in: Regenerate.
9712         * testsuite/script_test_6.sh: New file.
9713         * testsuite/script_test_6.t: Same.
9714         * testsuite/script_test_7.sh: Same.
9715         * testsuite/script_test_7.t: Same.
9716         * testsuite/script_test_8.sh: Same.
9717
9718 2009-10-16  Doug Kwan  <dougkwan@google.com>
9719
9720         * output.cc (Output_segment::set_section_list_address): Cast
9721         expressions to unsigned long long type to avoid format warnings.
9722
9723 2009-10-15  Ian Lance Taylor  <iant@google.com>
9724
9725         * script.cc (Script_options::add_symbol_assignment): Always add a
9726         dot assignment to script_sections_.
9727         * script-sections.cc (Script_sections::add_dot_assignment):
9728         Initialize if necessary.
9729
9730         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
9731         program headers with no load segment if there is a linker script.
9732
9733         * layout.cc (Layout::set_segment_offsets): Align the file offset
9734         to the segment aligment for -N or -n with no load segment.
9735         * output.cc (Output_segment::add_output_section): Don't crash if
9736         the first section is a TLS section.
9737         (Output_segment::set_section_list_addresses): Print an error
9738         message if the address moves backward in a linker script.
9739         * script-sections.cc
9740         (Output_section_element_input::set_section_addresses): Don't
9741         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
9742         (Orphan_output_section::set_section_addresses): Likewise.
9743
9744 2009-10-15  Doug Kwan  <dougkwan@google.com>
9745
9746         * layout.cc (Layout::finish_dynamic_section): Generate tags
9747         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
9748         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
9749         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
9750
9751 2009-10-14  Ian Lance Taylor  <iant@google.com>
9752
9753         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
9754         fields.
9755         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
9756         data_shdr fields of relinfo.
9757         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
9758         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
9759         R_386_TLS_LDO_32, adjust based on section flags.
9760         (Target_i386::Relocate::fix_up_ldo): Remove.
9761
9762 2009-10-13  Ian Lance Taylor  <iant@google.com>
9763
9764         Add support for -pie.
9765         * options.h (class General_options): Add -pie and
9766         --pic-executable.
9767         (General_options::output_is_position_independent): Test -pie.
9768         (General_options::output_is_executable): Return true if not shared
9769         and not relocatable.
9770         (General_options::output_is_pie): Remove.
9771         * options.cc (General_options::finalize): Reject incompatible uses
9772         of -pie.
9773         * gold.cc (queue_middle_tasks): A -pie link is not static.
9774         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
9775         * symtab.cc (Symbol::final_value_is_known): Return false if
9776         output_is_position_independent.
9777         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
9778         output_is_position_independent.
9779         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
9780         output_is_position_independent.
9781         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
9782         output_is_position_independent.
9783         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
9784         two_file_pie_test.
9785         (basic_pie_test.o, basic_pie_test): New targets.
9786         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
9787         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
9788         (two_file_pie_test): New target.
9789         * testsuite/Makefile.in: Rebuild.
9790         * README: Remove note saying that -pie is not supported.
9791
9792 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
9793
9794         * options.h (class General_options): Add -init and -fini.
9795         * layout.cc (Layout::finish_dynamic_section): Emit
9796         given init and fini functions.
9797
9798 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
9799
9800         * gc.h (gc_process_relocs): Check if icf is enabled using new
9801         function.
9802         * gold.cc (queue_initial_tasks): Likewise.
9803         (queue_middle_tasks): Likewise.
9804         * object.cc (do_layout): Likewise.
9805         * symtab.cc (is_section_folded): Likewise.
9806         * main.cc (main): Likewise.
9807         * reloc.cc (Read_relocs::run): Likewise.
9808         (Sized_relobj::do_scan_relocs): Likewise.
9809         * icf.cc (is_function_ctor_or_dtor): New function.
9810         (Icf::find_identical_sections): Check if function is ctor or dtor when
9811         safe icf is chosen.
9812         * options.h (General_options::icf): Change option to be an enum.
9813         (Icf_status): New enum.
9814         (icf_enabled): New method.
9815         (icf_safe_folding): New method.
9816         (set_icf_status): New method.
9817         (icf_status_): New variable.
9818         * (options.cc) (General_options::finalize): Set icf_status_.
9819         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
9820         icf_test and icf_keep_unique_test to use the --icf enum flag.
9821         * testsuite/icf_safe_test.sh: New file.
9822         * testsuite/icf_safe_test.cc: New file.
9823
9824 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
9825
9826         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
9827         includes to gc.h and icf.h.
9828         * arm.cc: Include gc.h.
9829         * gold.cc: Likewise.
9830         * i386.cc: Likewise.
9831         * powerpc.cc: Likewise.
9832         * sparc.cc: Likewise.
9833         * x86_64.cc: Likewise.
9834         * gc.h: Include icf.h.
9835
9836 2009-10-11  Ian Lance Taylor  <iant@google.com>
9837
9838         * plugin.cc: Include "gold.h" before other header files.
9839
9840 2009-10-10  Chris Demetriou  <cgd@google.com>
9841
9842         * options.h (Input_file_argument::Input_file_type): New enum.
9843         (Input_file_argument::is_lib_): Replace with...
9844         (Input_file_argument::type_): New member.
9845         (Input_file_argument::Input_file_argument): Take Input_file_type
9846         'type' rather than boolean 'is_lib' as second argument.
9847         (Input_file_argument::is_lib): Use type_.
9848         (Input_file_argument::is_searched_file): New function.
9849         (Input_file_argument::may_need_search): Handle is_searched_file.
9850         * options.cc (General_options::parse_library): Support -l:filename.
9851         (General_options::parse_just_symbols): Update for Input_file_argument
9852         changes.
9853         (Command_line::process): Likewise.
9854         * archive.cc (Archive::get_file_and_offset): Likewise.
9855         * plugin.cc (Plugin_manager::release_input_file): Likewise.
9856         * script.cc (read_script_file, script_add_file): Likewise.
9857         * fileread.cc (Input_file::Input_file): Likewise.
9858         (Input_file::will_search_for): Handle is_searched_file.
9859         (Input_file::open): Likewise.
9860         * readsyms.cc (Read_symbols::get_name): Likewise.
9861         * testsuite/Makefile.am (searched_file_test): New test.
9862         * testsuite/Makefile.in: Regenerate.
9863         * testsuite/searched_file_test.cc: New file.
9864         * testsuite/searched_file_test_lib.cc: New file.
9865
9866 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9867             Ian Lance Taylor  <iant@google.com>
9868
9869         * descriptor.cc: Include <cstdio> and "binary-io.h".
9870         (Descriptors::open): Open the files in binary mode always.
9871         * script.cc (Lex::get_token): Treat \r as whitespace.
9872
9873 2009-10-09  Ian Lance Taylor  <iant@google.com>
9874
9875         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
9876
9877 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9878             Ian Lance Taylor  <iant@google.com>
9879
9880         * configure.ac: Check for readv function also.
9881         * fileread.cc (readv): Define if not HAVE_READV.
9882         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
9883         does not exist.
9884         * config.in: Regenerate.
9885         * configure: Regenerate.
9886
9887 2009-10-09  Doug Kwan  <dougkwan@google.com>
9888
9889         * layout.cc (Layout::make_output_section): Call target hook to make
9890         ordinary output section.
9891         (Layout::finalize): Adjust parameter list of call the
9892         Target::may_relax().
9893         * layout.h (class Layout::section_list): New method.
9894         * merge.h (Output_merge_base::entsize): Change visibility to public.
9895         (Output_merge_base::is_string, Output_merge_base::do_is_string):
9896         New methods.
9897         (Output_merge_string::do_is_string): New method.
9898         * object.cc (Sized_relobj::do_setup): renamed from
9899         Sized_relobj::set_up.
9900         * object.h (Sized_relobj::adjust_shndx,
9901         Sized_relobj::initializ_input_to_output_maps,
9902         Sized_relobj::free_input_to_output_maps): Change visibilities to
9903         protected.
9904         (Sized_relobj::setup): Virtualize.
9905         (Sized_relobj::do_setup): New method declaration.
9906         (Sized_relobj::invalidate_section_offset,
9907         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
9908         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
9909         * options.cc (parse_int): New function.
9910         * options.h (parse_int): New declaration.
9911         (DEFINE_int): New macro.
9912         (stub_group_size): New option.
9913         * output.cc (Output_section::Output_section): Initialize memebers
9914         merge_section_map_, merge_section_by_properties_map_,
9915         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
9916         (Output_section::add_input_section): Handled deferred code-fill
9917         generation and remove an old comment.
9918         (Output_section::add_relaxed_input_section): New method definition.
9919         (Output_section::add_merge_input_section): Use merge section by
9920         properties map to speed to search.  Update merge section maps
9921         as appropriate.
9922         (Output_section::build_relaxation_map): New method definition.
9923         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
9924         Same.
9925         (Output_section::relax_input_section): Renamed to
9926         Output_section::convert_input_sections_to_relaxed_sections and change
9927         interface to take a vector of pointers to relaxed sections.
9928         (Output_section::find_merge_section,
9929         Output_section::find_relaxed_input_section): New method definitions.
9930         (Output_section::is_input_address_mapped,
9931         Output_section::output_offset, Output_section::output_address):
9932         Use output section data maps to speed up searching.
9933         (Output_section::find_starting_output_address): Add comments.
9934         (Output_section::do_write,
9935         Output_section::write_to_postprocessing_buffer): Do code-fill
9936         generation as appropriate.
9937         (Output_section::get_input_sections): Invalidate relaxed input section
9938         map.
9939         (Output_section::restore_states): Adjust type of checkpoint .
9940         Invalidate relaxed input section map.
9941         * output.h (Output_merge_base): New class declaration.
9942         (Input_section_specifier): New class defintion.
9943         (class Output_relaxed_input_section) Change base class to
9944         Output_section_data_build.
9945         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
9946         base class initializer.
9947         (Output_section::add_relaxed_input_section): New method declaration.
9948         (Output_section::Input_section): Change visibility to protected.
9949         (Output_section::Input_section::relobj,
9950         Output_section::Input_section::shndx): Handle relaxed input sections.
9951         Output_section::input_sections) Change visibility to protected.  Also
9952         define overload to return a non-const pointer.
9953         (Output_section::Merge_section_properties): New class defintion.
9954         (Output_section::Merge_section_by_properties_map,
9955         Output_section::Output_section_data_by_input_section_map,
9956         Output_section::Relaxation_map): New types.
9957         (Output_section::relax_input_section): Rename method to
9958         Output_section::convert_input_sections_to_relaxed_sections and change
9959         interface to take a vector of relaxed section pointers.
9960         (Output_section::find_merge_section,
9961         Output_section::find_relaxed_input_section,
9962         Output_section::build_relaxation_map,
9963         Output_section::convert_input_sections_in_list_to_relaxed_sections):
9964         New method declarations.
9965         (Output_section::merge_section_map_
9966         Output_section::merge_section_by_properties_map_,
9967         Output_section::relaxed_input_section_map_,
9968         Output_section::is_relaxed_input_section_map_valid_,
9969         Output_section::generate_code_fills_at_write_): New data members.
9970         * script-sections.cc
9971         (Output_section_element_input::set_section_addresses): Call
9972         current_data_size and addralign methods of relaxed input sections.
9973         (Orphan_output_section::set_section_addresses): Call current_data_size
9974         and addralign methods of relaxed input sections.
9975         * symtab.cc (Symbol_table::compute_final_value): Extract template
9976         from the body of Symbol_table::sized_finalize_symbol.
9977         (Symbol_table::sized_finalized_symbol): Call
9978         Symbol_table::compute_final_value.
9979         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
9980         (Symbol_table::compute_final_value): New templated method declaration.
9981         * target.cc (Target::do_make_output_section): New method defintion.
9982         * target.h (Target::make_output_section): New method declaration.
9983         (Target::relax): Add more parameters for input objects, symbol table
9984         and layout.  Adjust call to do_relax.
9985         (Target::do_make_output_section): New method declaration.
9986         (Target::do_relax): Add parameters for input objects, symbol table
9987         and layout.
9988
9989 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9990
9991         * pread.c: Include stdio.h.
9992
9993 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9994
9995         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
9996         defined.
9997
9998 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9999
10000         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
10001         Change read_shndx type to unsigned int.
10002         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
10003         int.
10004         (Sized_dwarf_line_info::read_line_mappings): Likewise.
10005         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
10006         Change read_shndx type to unsigned int.
10007         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
10008         int.
10009         (Sized_dwarf_line_info::read_line_mappings): Likewise.
10010         * layout.cc (Layout::create_symtab_sections): Cast the result of
10011         local_symcount * symsize to off_t in the gold_assert.
10012
10013 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10014
10015         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
10016         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
10017         R_ARM_BASE_ABS.
10018         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
10019         (Arm_relocate_functions::thm_abs5): New function.
10020         (Arm_relocate_functions::abs12): New function.
10021         (Arm_relocate_functions::abs16): New function.
10022         (Arm_relocate_functions::base_abs): New function.
10023         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
10024         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
10025         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
10026         R_ARM_BASE_ABS.
10027         (Scan::global): Likewise.
10028         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
10029         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
10030         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
10031         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
10032         R_ARM_BASE_ABS.
10033
10034 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10035
10036         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
10037         (Arm_relocate_functions::movt_prel): New function.
10038         (Arm_relocate_functions::thm_movw_prel_nc): New function.
10039         (Arm_relocate_functions::thm_movt_prel): New function.
10040         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
10041         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
10042         (Scan::global, Relocate::relocate): Likewise.
10043         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
10044
10045 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
10046
10047         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
10048         Incremental_checker.
10049         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
10050         unsigned int.
10051         (class Incremental_inputs_header): New class.
10052         (Incremental_inputs_header_writer): Edit comment.
10053         (Incremental_inputs_entry): New class.
10054         (Incremental_inputs_entry_writer): Edit comment.
10055         (Sized_incremental_binary::do_find_incremental_inputs_section):
10056         Add *strtab_shndx parameter, fill it.
10057         (Sized_incremental_binary::do_check_inputs): New method.
10058         (Incremental_checker::can_incrementally_link_output_file): Use
10059         Sized_incremental_binary::check_inputs.
10060         (Incremental_inputs::report_command_line): Save command line in
10061         command_line_.
10062         * incremental.h:
10063         (Incremental_binary::find_incremental_inputs_section): New
10064         method.
10065         (Incremental_binary::do_find_incremental_inputs_section): Add
10066         strtab_shndx parameter.
10067         (Incremental_binary::do_check_inputs): New pure virtual method.
10068         (Sized_incremental_binary::do_check_inputs): Declare.
10069         (Incremental_checker::Incremental_checker): Add incremental_inputs
10070         parameter, use it to initialize incremental_inputs_.
10071         (Incremental_checker::incremental_inputs_): New field.
10072         (Incremental_checker::command_line): New method.
10073         (Incremental_checker::inputs): New method.
10074         (Incremental_checker::command_line_): New field.
10075
10076 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
10077
10078         * incremental.cc: Include <cstdarg> and "target-select.h".
10079         (vexplain_no_incremental): New function.
10080         (explain_no_incremental): New function.
10081         (Incremental_binary::error): New method.
10082         (Sized_incremental_binary::do_find_incremental_inputs_section): New
10083         method.
10084         (make_sized_incremental_binary): New function.
10085         (open_incremental_binary): New function.
10086         (can_incrementally_link_file): Add checks if output is ELF and has
10087         inputs section.
10088         * incremental.h: Include "elfcpp_file.h" and "output.h".
10089         (Incremental_binary): New class.
10090         (Sized_incremental_binary): New class.
10091         (open_incremental_binary): Declare.
10092         * object.cc (is_elf_object): Use
10093         elfcpp::Elf_recognizer::is_elf_file.
10094         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
10095         * output.h (Output_file::filesize): New method.
10096
10097 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10098
10099         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
10100         New function.
10101         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
10102         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
10103         function.
10104         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
10105         function.
10106         (Arm_relocate_functions::movw_abs_nc): New function.
10107         (Arm_relocate_functions::movt_abs): New function.
10108         (Arm_relocate_functions::thm_movw_abs_nc): New function.
10109         (Arm_relocate_functions::thm_movt_abs): New function.
10110         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
10111         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
10112         (Scan::global): Likewise.
10113         (Relocate::relocate): Likewise.
10114         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
10115
10116 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10117
10118         * arm.cc (Arm_relocate_functions::got_prel) New function.
10119         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
10120         (Relocate::relocate): Likewise.
10121         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
10122
10123 2009-10-06  Ian Lance Taylor  <iant@google.com>
10124
10125         * options.h (class General_options): Define
10126         split_stack_adjust_size parameter.
10127         * object.h (class Object): Add uses_split_stack_ and
10128         has_no_split_stack_ fields.  Add uses_split_stack and
10129         has_no_split_stack accessor functions.  Declare
10130         handle_split_stack_section.
10131         (class Reloc_symbol_changes): Define.
10132         (class Sized_relobj): Define Function_offsets.  Declare
10133         split_stack_adjust, split_stack_adjust_reltype, and
10134         find_functions.
10135         * object.cc (Object::handle_split_stack_section): New function.
10136         (Sized_relobj::do_layout): Call handle_split_stack_section.
10137         * dynobj.cc (Sized_dynobj::do_layout): Call
10138         handle_split_stack_section.
10139         * reloc.cc (Sized_relobj::relocate_sections): Call
10140         split_stack_adjust for executable sections in split_stack
10141         objects.  Pass reloc_map to relocate_section.
10142         (Sized_relobj::split_stack_adjust): New function.
10143         (Sized_relobj::split_stack_adjust_reltype): New function.
10144         (Sized_relobj::find_functions): New function.
10145         * target-reloc.h: Include "object.h".
10146         (relocate_section): Add reloc_symbol_changes parameter.  Change
10147         all callers.
10148         * target.h (class Target): Add calls_non_split method.  Declare
10149         do_calls_non_split virtual method.  Declare match_view and
10150         set_view_to_nop.
10151         * target.cc: Include "elfcpp.h".
10152         (Target::do_calls_non_split): New function.
10153         (Target::match_view): New function.
10154         (Target::set_view_to_nop): New function.
10155         * gold.cc (queue_middle_tasks): Give an error if mixing
10156         split-stack and non-split-stack objects with -r.
10157         * i386.cc (Target_i386::relocate_section): Add
10158         reloc_symbol_changes parameter.
10159         (Target_i386::do_calls_non_split): New function.
10160         * x86_64.cc (Target_x86_64::relocate_section): Add
10161         reloc_symbol_changes parameter.
10162         (Target_x86_64::do_calls_non_split): New function.
10163         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
10164         parameter.
10165         * powerpc.cc (Target_powerpc::relocate_section): Add
10166         reloc_symbol_changes parameter.
10167         * sparc.cc (Target_sparc::relocate_section): Add
10168         reloc_symbol_changes parameter.
10169         * configure.ac: Call AM_CONDITIONAL for the default target.
10170         * configure: Rebuild.
10171         * testsuite/Makefile.am (TEST_AS): New variable.
10172         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
10173         (check_DATA): Add split_i386 and split_x86_64 files.
10174         (SPLIT_DEFSYMS): Define.
10175         (split_i386_[1234n].o): New targets.
10176         (split_i386_[124]): New targets.
10177         (split_i386_[1234r].stdout): New targets.
10178         (split_x86_64_[1234n].o): New targets.
10179         (split_x86_64_[124]): New targets.
10180         (split_x86_64_[1234r].stdout): New targets.
10181         (MOSTLYCLEANFILES): Add new executables.
10182         * testsuite/split_i386.sh: New file.
10183         * testsuite/split_x86_64.sh: New file.
10184         * testsuite/split_i386_1.s: New file.
10185         * testsuite/split_i386_2.s: New file.
10186         * testsuite/split_i386_3.s: New file.
10187         * testsuite/split_i386_4.s: New file.
10188         * testsuite/split_i386_n.s: New file.
10189         * testsuite/split_x86_64_1.s: New file.
10190         * testsuite/split_x86_64_2.s: New file.
10191         * testsuite/split_x86_64_3.s: New file.
10192         * testsuite/split_x86_64_4.s: New file.
10193         * testsuite/split_x86_64_n.s: New file.
10194         * testsuite/testfile.cc (Target_test): Update relocation_section
10195         function.
10196         * testsuite/Makefile.in: Rebuild.
10197
10198 2009-10-06  Ian Lance Taylor  <iant@google.com>
10199
10200         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
10201         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
10202         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
10203         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
10204         the address on ldo_addrs_.
10205         (Target_i386::Relocate::fix_up_ldo): New function.
10206
10207 2009-10-06   Rafael Espindola  <espindola@google.com>
10208
10209         * plugin.cc (add_input_library): New.
10210         (Plugin::load): Add add_input_library to tv.
10211         (Plugin_manager::add_input_file): Add the is_lib argument.
10212         (add_input_file): Update call to Plugin_manager::add_input_file.
10213         (add_input_library): New.
10214         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
10215
10216 2009-09-30  Doug Kwan  <dougkwan@google.com>
10217
10218         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
10219         symbol and call Symbol::may_need_copy_reloc to determine if
10220         a copy reloc is needed.
10221         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
10222         nocopyreloc is given in command line.
10223         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
10224         given in command line.
10225         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
10226         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
10227         of the removed Target_i386::may_need_copy_reloc.
10228         * options.h (copyreloc): New option with default value false.
10229         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
10230         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
10231         instead of the removed Target_powerpc::may_need_copy_reloc.
10232         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
10233         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
10234         instead of the removed Target_sparc::may_need_copy_reloc.
10235         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
10236         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
10237         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
10238         instead of the removed Target_x86_64::may_need_copy_reloc.
10239
10240 2009-09-30  Ian Lance Taylor  <iant@google.com>
10241
10242         * object.h (class Object): Remove target_ field, and target,
10243         sized_target, and set_target methods.
10244         (Object::sized_target): Remove.
10245         (class Sized_relobj): Update declarations.  Remove sized_target.
10246         * object.cc (Sized_relobj::setup): Remove target parameter.
10247         Change all callers.
10248         (Input_objects::add_object): Don't do anything with the target.
10249         (make_elf_sized_object): Add punconfigured parameter.  Change all
10250         callers.  Set or test parameter target.
10251         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
10252         Change all callers.
10253         * parameters.cc (Parameters::set_target): Change parameter type to
10254         be non-const.
10255         (Parameters::default_target): Remove.
10256         (set_parameters_target): Change parameter type to be non-const.
10257         (parameters_force_valid_target): New function.
10258         (parameters_clear_target): New function.
10259         * parameters.h (class Parameters): Update declarations.  Remove
10260         default_target method.  Add sized_target and clear_target
10261         methods.  Change target_ to be non-const.
10262         (set_parameters_target): Update declaration.
10263         (parameters_force_valid_target): Declare.
10264         (parameters_clear_target): Declare.
10265         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
10266         as NULL if we aren't searching.
10267         (Add_symbols::run): Don't check for compatible target.
10268         * fileread.cc (Input_file::open_binary): Call
10269         parameters_force_valid_target.
10270         * gold.cc (queue_middle_tasks): Likewise.
10271         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
10272         set_target on object.
10273         * dynobj.h (class Sized_dynobj): Update declarations.
10274         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
10275         make_elf_object returns NULL.
10276         (Archive::include_member): Don't check whether object target is
10277         compatible.
10278         * output.cc (Output_section::add_input_section): Get target from
10279         parameters.
10280         (Output_section::relax_input_section): Likewise.
10281         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
10282         parameters.
10283         (Sized_relobj::do_scan_relocs): Likewise.
10284         (Sized_relobj::relocate_sections): Likewise.
10285         * resolve.cc (Symbol_table::resolve): Likewise.
10286         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
10287         parameter.  Change all callers.
10288         (Symbol_table::add_from_object): Get target from parameters.
10289         (Symbol_table::add_from_relobj): Don't check object target.
10290         (Symbol_table::add_from_dynobj): Likewise.
10291         (Symbol_table::define_special_symbol): Get target from
10292         parameters.
10293         * symtab.h (class Symbol_table): Update declaration.
10294         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
10295         parameter.  Change all callers.  Clear parameter target.
10296         (Binary_test): Test target here.
10297         * testsuite/object_unittest.cc (gold_testsuite): Remove
10298         target_test_pointer parameter.  Change all callers.
10299         (Object_test): Test target here.
10300
10301 2009-09-26  Ian Lance Taylor  <iant@google.com>
10302
10303         * testsuite/initpri1.c: Don't try to use constructor priorities if
10304         compiling with gcc before 4.3.
10305
10306 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
10307
10308         * testsuite/retain_symbols_file_test.sh (check_present): Change
10309         output file name to retain_symbols_file_test.stdout.
10310         (check_absent): Likewise.
10311
10312 2009-09-18  Craig Silverstein  <csilvers@google.com>
10313
10314         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
10315         * options.cc: Include <cerrno> and <fstream>.
10316         (General_options::finalize): Parse -retain-symbols-file tag.
10317         * options.h: New flag.
10318         (General_options): New method should_retain_symbol, new
10319         variable symbols_to_retain.
10320         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
10321         should_retain_symbol map.
10322         * testsuite/Makefile.am (retain_symbols_file_test): New test.
10323         * testsuite/Makefile.in: Regenerate.
10324         * testsuite/retain_symbols_file_test.sh: New file.
10325
10326 2009-09-18  Nick Clifton  <nickc@redhat.com>
10327
10328         * po/es.po: Updated Spanish translation.
10329
10330 2009-09-17  Doug Kwan  <dougkwan@google.com>
10331
10332         * debug.h (DEBUG_RELAXATION): New constant.
10333         (DEBUG_ALL): Add DEBUG_RELAXATION.
10334         (debug_string_to_enum): Add relaxation debug option.
10335         * layout.cc
10336         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
10337         Layout::Relaxation_debug_check::read_sections,
10338         Layout::Relaxation_debug_check::read_sections): New method definitions.
10339         (Layout::Layout): Initialize data members
10340         record_output_section_data_from_scrips_,
10341         script_output_section_data_list_ and relaxation_debug_check_.
10342         (Layout::save_segments, Layout::restore_segments,
10343         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10344         Layout::relaxation_loop_body): New method definitions.
10345         (Layout::finalize): Support relaxation.  Move section layout code to
10346         Layout::relaxation_loop_body.
10347         (Layout::set_asection_address_from_script): Move code for orphan
10348         section placement out.
10349         (Layout::place_orphan_sections_in_script): New method definition.
10350         * layout.h (Output_segment_headers, Output_file_header):
10351         New forward class declarations.
10352         (Layout::~Layout): Define.
10353         (Layout::new_output_section_data_from_script): New method definition.
10354         (Layout::place_orphan_sections_in_script): New method declaration.
10355         (Layout::Segment_states): New type declaration.
10356         (Layout::save_segments, Layout::restore_segments,
10357         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10358         Layout::relaxation_loop_body): New method declarations.
10359         (Layout::Output_section_data_list): New type declaration.
10360         (Layout::Relaxation_debug_check): New class definition.
10361         (Layout::record_output_section_data_from_script_,
10362         Layout::script_output_section_data_list_, Layout::segment_states_,
10363         Layout::relaxation_debug_check_): New data members.
10364         * output.cc: (Output_section_headers::do_size): New method definition.
10365         (Output_section_headers::Output_section_headers): Move size
10366         computation to Output_section_headers::do_size.
10367         (Output_segment_headers::do_size): New method definition.
10368         (Output_file_header::Output_file_header): Move size computation to
10369         Output_file_header::do_size and call it.
10370         (Output_file_header::do_size): New method definition.
10371         (Output_data_group::Output_data_group): Adjust call to
10372         Output_section_data.
10373         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
10374         (Output_symtab_xindex::do_write): Add array bound check.
10375         (Output_section::Input_section::print_to_mapfile): Handle
10376         RELAXED_INPUT_SECTION_CODE.
10377         (Output_section::Output_section): Initialize data member checkpoint_.
10378         (Output_section::~Output_section): Delete checkpoint object pointed
10379         by checkpoint_.
10380         (Output_section::add_input_section): Always add an Input_section if
10381         relaxing.
10382         (Output_section::add_merge_input_section): Add assert.
10383         (Output_section::relax_input_section): New method definition.
10384         (Output_section::set_final_data_size): Set load address to zero for
10385         an unallocated section.
10386         (Output_section::do_address_and_file_offset_have_reset_values):
10387         New method definition.
10388         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
10389         Handle relaxed input section.
10390         (Output_section::sort_attached_input_sections): Checkpoint input
10391         section list lazily.
10392         (Output_section::get_input_sections): Change type of input_sections to
10393         list of Simple_input_section pointers.  Checkpoint input section list
10394         lazily.  Also handle relaxed input sections.
10395         (Output_section::add_input_section_for_script): Take a reference to
10396         a Simple_input_section object instead of Relobj pointer and section
10397         index as parameter.  Handle relaxed input sections.
10398         (Output_section::save_states, Output_section::restore_states): New
10399         method definitions.
10400         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
10401         (Output_data::is_data_size_fixed): New method definition.
10402         (Output_data::reset_addresss_and_file_offset): Do not reset data size
10403         if it is fixed.
10404         (Output_data::address_and_file_offset_have_reset_values): New method
10405         definition.
10406         (Output_data::do_address_and_file_offset_have_reset_values): New method
10407         definition.
10408         (Output_data::set_data_size): Check that data size is not fixed.
10409         (Output_data::fix_data_size): New method definition.
10410         (Output_data::is_data_size_fixed_): New data member.
10411         (Output_section_headers::set_final_data_size): New method definition.
10412         (Output_section_headers::do_size): New method declaration.
10413         (Output_segment_headers::set_final_data_size): New method definition.
10414         (Output_segment_headers::do_size): New method declaration.
10415         (Output_file_header::set_final_data_size)::New method definition.
10416         (Output_file_header::do_size)::New method declaration.
10417         (Output_section_data::Output_section_data): Add new parameter
10418         is_data_size_fixed and use it to fix data size.
10419         (Output_data_const::Output_data_const): Adjust call to base class
10420         constructor and fix data size.
10421         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
10422         base class constructor and fix data size.
10423         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
10424         base class constructor and fix data size.
10425         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
10426         class constructor and fix data size.
10427         (Output_data_group::set_final_data_size): New method definition.
10428         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
10429         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
10430         class constructor and fix data size.
10431         (Output_relaxed_input_section): New class definition.
10432         (Output_section::Simple_input_section): New class definition.
10433         (Output_section::get_input_sections): Adjust parameter list.
10434         (Output_section::add_input_section_for_script): Same.
10435         (Output_section::save_states, Output_section::restore_states,
10436         Output_section::do_address_and_file_offset_have_reset_values,
10437         (Output_section::Input_section::Input_section): Handle
10438         RELAXED_INPUT_SECTION_CODE.  Add new overload for
10439         Output_relaxed_input_section.
10440         (Output_section::Input_section::is_input_section,
10441         Output_section::Input_section::set_output_section): Handle relaxed
10442         input section.
10443         (Output_section::Input_section::is_relaxed_input_section,
10444         Output_section::Input_section::output_section_data,
10445         Output_section::Input_section::relaxed_input_section): New method
10446         definitions.
10447         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
10448         value.
10449         (Output_section::Input_section::u1_): Update comments.
10450         (Output_section::Input_section::u2_): Add new union member poris.
10451         (Output_section::Checkpoint_output_section): New classs definition.
10452         (Output_section::relax_input_section): New method declaration.
10453         (Output_section::checkpoint_): New data member.
10454         (Output_segment): Update comments.
10455         (Output_segment::Output_segment): Un-privatize copy constructor.
10456         (Output_segment::operator=): Un-privatize.
10457         * script-sections.cc (Output_section_element::Input_section_list):
10458         Change element type to Output_section::Simple_input_section.
10459         (Output_section_element_dot_assignment::set_section_addresses):
10460         Register output section data for relaxation clean up.
10461         (Output_data_exression::Output_data_expression): Adjust call to base
10462         constructor to fix data size.
10463         (Output_section_element_data::set_section_addresses): Register
10464         Output_data_expression object for relaxation clean up.
10465         (struct Input_section_info): Replace Relobj pointer and section index
10466         pair with Output_section::Simple_input_section and Convert struct to a
10467         class.
10468         (Input_section_sorter::operator()): Adjust access to
10469         Input_section_info data member to use accessors.
10470         (Output_section_element_input::set_section_addresses): Use layout
10471         parameter.  Adjust code to use Output_section::Simple_input_section
10472         and Input_secction_info classes.  Register filler for relaxation
10473         clean up.
10474         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
10475         and section index pair with Output_section::Simple_input_section
10476         class.  Adjust code accordingly.
10477         (Phdrs_element::release_segment): New method definition.
10478         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
10479         segment list.
10480         (Script_sections::release_segments): New method definition.
10481         * gold/script-sections.h (Script_sections::release_segments): New
10482         method declaration.
10483         * gold/target.h (Target::may_relax, Target::relax,
10484         Target::do_may_relax, Target::do_relax): New method definitions.
10485
10486 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10487
10488         * arm.cc (has_signed_unsigned_overflow): New function.
10489         (Arm_relocate_functions::abs8): New function.
10490         (Target_arm::Scan::local): Handle R_ARM_ABS8.
10491         (Target_arm::Scan::global): Likewise.
10492         (Target_arm::relocate::relocate): Likewise.
10493         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
10494         Likewise.
10495
10496 2009-09-16  Cary Coutant  <ccoutant@google.com>
10497
10498         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
10499         * testsuite/Makefile.in: Regenerate.
10500
10501 2009-09-11  Nick Clifton  <nickc@redhat.com>
10502
10503         * po/gold.pot: Updated by the Translation project.
10504
10505 2009-09-08  Cary Coutant  <ccoutant@google.com>
10506
10507         * output.cc (Output_file::open): Add execute permission to empty file.
10508         * testsuite/Makefile.am (permission_test): New test.
10509         * testsuite/Makefile.in: Regenerate.
10510
10511 2009-09-02  Ian Lance Taylor  <iant@google.com>
10512
10513         * output.cc (Output_file::resize): Call map_no_anonymous rather
10514         than map.
10515
10516 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
10517
10518         * gold.cc: Include "incremental.h".
10519         (queue_initial_tasks): Call Incremental_checker methods.
10520         * incremental.cc: Include "output.h".
10521         (Incremental_checker::can_incrementally_link_output_file): New
10522         method.
10523         * incremental.h (Incremental_checker): New class.
10524
10525         * output.cc (Output_file::open_for_modification): New method.
10526         (Output_file::map_anonymous): Changed return type to bool.  Record
10527         map in base_ field.
10528         (Output_file::map_no_anonymous): New method, broken out of map.
10529         (Output_file::map): Use map_no_anonymous and map_anonymous.
10530         * output.h (class Output_file): Update declarations.
10531
10532 2009-08-24  Cary Coutant  <ccoutant@google.com>
10533
10534         * options.h (Command_line::Pre_options): New class.
10535         (Command_line::pre_options): New member.
10536         * options.cc (gold::options::ready_to_register): New variable.
10537         (One_option::register_option): Do nothing if not registering options.
10538         Assert if same short option registered twice.
10539         (General_options::General_options): Turn off option registration when
10540         done constructing.
10541         (Command_line::Pre_options::Pre_options): New constructor.
10542
10543 2009-08-24  Cary Coutant  <ccoutant@google.com>
10544
10545         * options.h (General_options::no_keep_memory): Remove incorrect
10546         short option.
10547
10548 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10549
10550         * Makefile.am (am__skiplex, am__skipyacc): New.
10551         * Makefile.in: Regenerate.
10552
10553 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10554
10555         * Makefile.am (AM_CPPFLAGS): Renamed from ...
10556         (INCLUDES): ... this.
10557         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
10558         (AM_CPPFLAGS): Renamed from ...
10559         (INCLUDE): ... this.
10560         * Makefile.in, testsuite/Makefile.in: Regenerate.
10561
10562         * Makefile.in: Regenerate.
10563         * aclocal.m4: Likewise.
10564         * config.in: Likewise.
10565         * configure: Likewise.
10566         * testsuite/Makefile.in: Likewise.
10567
10568         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10569         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10570         * Makefile.in: Regenerate.
10571         * testsuite/Makefile.in: Regenerate.
10572
10573 2009-08-19  Cary Coutant  <ccoutant@google.com>
10574
10575         * resolve.cc (Symbol_table::resolve): Don't complain about defined
10576         symbols in shared libraries overridden by hidden or internal symbols
10577         in the main program.
10578
10579 2009-08-19  Chris Demetriou  <cgd@google.com>
10580
10581         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
10582         checking source file names in error messages.
10583
10584 2009-08-18  Doug Kwan  <dougkwan@google.com>
10585
10586         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
10587         an elcpp::Ehdr as parameter.  Adjust call to set_target.
10588         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
10589         an elfcpp::Ehdr as parameter.
10590         * object.cc (Object::set_target): Remove the version that looks up
10591         a target and sets it.
10592         (Sized_relobj::setup): Take a Target object instead of
10593         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
10594         (make_elf_sized_object): Find target and ask target to
10595         make an ELF object.
10596         * object.h: (Object::set_target): Remove the version that looks up
10597         a target and sets it.
10598         (Sized_relobj::setup): Take a Target object instead of
10599         an elfcpp:Ehdr as parameter.
10600         * target.cc: Include dynobj.h.
10601         (Target::do_make_elf_object_implementation): New.
10602         (Target::do_make_elf_object): New.
10603         * target.h (Target::make_elf_object): New template declaration.
10604         (Target::do_make_elf_object): New method declarations.
10605         (Target::do_make_elf_object_implementation): New template declaration.
10606
10607 2009-08-14  Ian Lance Taylor  <iant@google.com>
10608
10609         * gold.h (FUNCTION_NAME): Define.
10610         (gold_unreachable): Use FUNCTION_NAME.
10611
10612 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10613
10614         * icf.cc (Icf::find_identical_sections): Issue a warning when a
10615         symbol in the --keep-unique list is not found.
10616
10617 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10618
10619         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
10620         been maked as --keep-unique.
10621         (Icf::unfold_section): New function.
10622         * icf.h (Icf::unfold_section): New function.
10623         * options.h (General_options::keep_unique): New option.
10624         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
10625         * testsuite/Makefile.in: Regenerate.
10626         * testsuite/icf_keep_unique_test.sh: New file.
10627         * testsuite/icf_keep_unique_test.cc: New file.
10628
10629 2009-08-12  Cary Coutant  <ccoutant@google.com>
10630
10631         PR 10471
10632         * resolve.cc (Symbol_table::resolve): Check for references from
10633         dynamic objects to hidden and internal symbols.
10634         * testsuite/Makefile.am (hidden_test.sh): New test.
10635         * testsuite/Makefile.in: Regenerate.
10636         * testsuite/hidden_test.sh: New script.
10637         * testsuite/hidden_test_1.c: New test source.
10638         * testsuite/hidden_test_main.c: New test source.
10639
10640 2009-08-11  Doug Kwan  <dougkwan@google.com>
10641
10642         * arm.cc: Update comments.
10643         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
10644         segment to locate the .ARM.exidx section if present.
10645
10646 2009-08-09  Doug Kwan  <dougkwan@google.com>
10647
10648         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
10649         patch.
10650
10651 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
10652         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
10653         compiler warnings.
10654
10655 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
10656
10657         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
10658         valid tls_segment only for non-debug-section relocations.
10659         * testsuite/Makefile.am: Add gc_tls_test.
10660         * testsuite/Makefile.in: Regenerate.
10661         * testsuite/gc_tls_test.cc: New file.
10662         * testsuite/gc_tls_test.sh: New file.
10663
10664 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
10665
10666         * icf.cc: New file.
10667         * icf.h: New file.
10668         * Makefile.am (CCFILES): Add icf.cc.
10669         (HFILES): Add icf.h
10670         * Makefile.in: Regenerate.
10671         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
10672         * gc.h (gc_process_relocs): Populate lists used by icf to contain
10673         section, symbol and addend information for the relocs.
10674         * gold.cc (queue_middle_tasks): Call identical code folding.
10675         * gold.h: Add defines for multimap.
10676         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
10677         to the call of finalize_local_symbols.
10678         * main.cc (main): Create object of class Icf.
10679         * object.cc (Sized_relobj::do_layout): Allow this function to be
10680         called twice during icf.
10681         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
10682         to sections marked as identical by icf.
10683         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
10684         when available.
10685         (Sized_relobj::do_section_entsize): New function.
10686         * object.h (Object::section_entsize): New function.
10687         (Object::do_section_entsize): New pure virtual function.
10688         (Relobj::finalize_local_symbols): Add new parameter.
10689         (Relobj::do_section_entsize): New function.
10690         * options.h (General_options::icf): New option.
10691         (General_options::icf_iterations): New option.
10692         (General_options::print_icf_sections): New option.
10693         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
10694         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
10695         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
10696         icf.
10697         * symtab.cc (Symbol_table::is_section_folded): New function.
10698         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
10699         to sections marked as identical by icf.
10700         * symtab.h (Symbol_table::set_icf): New function.
10701         (Symbol_table::icf): New function.
10702         (Symbol_table::is_section_folded): New function.
10703         (Symbol_table::icf_): New data member.
10704         * target-reloc.h (relocate_section): Ignore sections folded by icf.
10705         * testsuite/Makefile.am: Add commands to build icf_test.
10706         * testsuite/Makefile.in: Regenerate.
10707         * testsuite/icf_test.sh: New file.
10708         * testsuite/icf_test.cc: New file.
10709
10710 2009-07-24  Chris Demetriou  <cgd@google.com>
10711
10712         * layout.cc (is_compressible_debug_section): Fix incorrect
10713         comment about compressed section names.
10714
10715 2009-07-20  Ian Lance Taylor  <ian@airs.com>
10716
10717         PR 10419
10718         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
10719
10720 2009-07-16  Ian Lance Taylor  <iant@google.com>
10721
10722         PR 10400
10723         * layout.h: #include <map>.
10724         (class Kept_section): Change from struct to class.  Add accessors
10725         and setters.  Add section size to Comdat_group mapping.  Change
10726         Comdat_group to std::map.  Add is_comdat_ field.  Add
10727         linkonce_size field in union.
10728         (class Layout): Update declaration of find_or_add_kept_section.
10729         Don't declare find_kept_object.
10730         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
10731         parameter.  Add object, shndx, is_comdat, and is_group_name
10732         parameters.  Change all callers.  Adjust for new Kept_section.
10733         (Layout::find_kept_object): Remove.
10734         * object.cc (Sized_relobj::include_section_group): Update use of
10735         Kept_section.  Rename secnum to shndx.  Only record
10736         Kept_comdat_section if sections are the same size.
10737         (Sized_relobj::include_linkonce_section): Update use of
10738         Kept_section.  Only record Kept_comdat_section if sections are the
10739         same size.  Set size of linkonce section.
10740         (Sized_relobj::map_to_kept_section): Update call to
10741         get_kept_comdat_section.
10742         * object.h (class Sized_relobj): Rename fields in
10743         Kept_comdat_section to drop trailing underscores; change object
10744         field to Relobj*.  Change Kept_comdat_section_table to store
10745         struct rather than pointer.
10746         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
10747         Add kept_object and kept_shndx parameters.  Change all callers.
10748         (Sized_relobj::get_kept_comdat_section): Change return type to
10749         bool.  Add kept_object and kept_shndx parameters.  Change all
10750         callers.
10751         * plugin.cc (Pluginobj::include_comdat_group): Update call to
10752         Layout::find_or_add_kept_section.
10753
10754 2009-07-09  Ian Lance Taylor  <iant@google.com>
10755
10756         * merge.cc (Object_merge_map::initialize_input_to_output_map):
10757         Reserve space in the hash table.
10758
10759 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
10760
10761         * fileread.cc (File_read::get_mtime): New method.
10762         * fileread.h (Timespec): New structure.
10763         (File_read::get_mtime): New method.
10764         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
10765         Renamed from timestamp_nsec.
10766         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
10767         Elf_Xword.
10768         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
10769         timestamp_nsec.
10770         (Incremental_inputs::report_archive): Save mtime; style fix.
10771         (Incremental_inputs::report_obejct): Save mtime; style fix.
10772         (Incremental_inputs::report_script): Save mtime; style fix.
10773         (Incremental_inputs::finalize_inputs): Style fix.
10774         (Incremental_inputs::finalize): Style fix.
10775         (Incremental_inputs::create_input_section_data): Store inputs
10776         mtime.
10777         * incremental.h (Incremental_inputs::report_script): Add mtime
10778         argument.
10779         (Incremental_inputs::Input_info::Input_info): Intialize only one
10780         union member.
10781         (Incremental_inputs::Input_info::archive): Move to nameless
10782         union.
10783         (Incremental_inputs::Input_info::obejct): Move to nameless union.
10784         (Incremental_inputs::Input_info::script): Move to nameless union.
10785         (Incremental_inputs::mtime): New field.
10786         * script.cc (read_input_script): Pass file mtime to
10787         Incremental_input.
10788         * script.h (Script_info::inputs): Style fix.
10789
10790 2009-07-01  Ian Lance Taylor  <ian@airs.com>
10791
10792         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
10793         instead of 32.
10794
10795 2009-06-24  Ian Lance Taylor  <iant@google.com>
10796
10797         PR 10156
10798         * layout.cc (Layout::choose_output_section): If we find an
10799         existing section, update the flags.
10800         (Layout::create_notes): New function, broken out of
10801         Layout::finalize.
10802         (Layout::finalize): Don't create note sections.
10803         (Layout::create_note): Don't crash if linker script discards
10804         section.
10805         (Layout::create_gold_note): Likewise.
10806         (Layout::create_build_id): Likewise.  Don't set
10807         after_input_sections on the section.
10808         (Layout::create_executable_stack_info): Remove target parameter.
10809         Change caller.
10810         * layout.h (class Layout): Declare create_notes.  Update
10811         declaration of create_executable_stack_info.
10812         * gold.cc (queue_middle_tasks): Call create_notes.
10813         * output.cc (Output_section::update_flags_for_input_section): Move
10814         here from output.h.  If SHF_ALLOC flag is newly set, mark address
10815         invalid.
10816         * output.h (Output_data::mark_address_invalid): New function.
10817         (class Output_section): Only declare, not define,
10818         update_flags_for_input_section.  Remove set_flags.
10819
10820 2009-06-24  Ian Lance Taylor  <iant@google.com>
10821
10822         * script-sections.cc (Output_section_definition::
10823         set_section_addresses): Rename shadowing local load_address to
10824         laddr.
10825
10826 2009-06-24  Ian Lance Taylor  <iant@google.com>
10827
10828         PR 10244
10829         * reloc.cc (relocate_sections): Skip empty relocation sections.
10830
10831 2009-06-23  Ian Lance Taylor  <iant@google.com>
10832
10833         PR 10156
10834         * layout.cc (Layout::create_note): Use choose_output_section
10835         rather than make_output_section.
10836
10837 2009-06-23  Ian Lance Taylor  <iant@google.com>
10838
10839         PR 10237
10840         * options.cc (General_options::parse_V): Set printed_version_.
10841         (General_options::General_options): Initialize printed_version_.
10842         * options.h (class General_options): Add printed_version_ field.
10843         * gold.cc (queue_initial_tasks): If there are no input files,
10844         don't give a fatal error if we printed the version information.
10845         (queue_middle_tasks): If using -r with a shared object, give a
10846         fatal error rather than an ordinary error.
10847
10848 2009-06-23  Ian Lance Taylor  <iant@google.com>
10849
10850         PR 10219
10851         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
10852         (Layout::make_output_section): Set have_stabstr_section_ if we see
10853         a .stab*str section.
10854         (Layout::finalize): Call link_stabs_sections.
10855         (Layout::link_stabs_sections): New file.
10856         * layout.h (class Layout): Add have_stabstr_section_ field.
10857         Declare link_stabs_sections.
10858
10859 2009-06-23  Doug Kwan  <dougkwan@google.com>
10860
10861         * Makefile.am (libgold_a_LIBADD): New.
10862         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
10863         * Makefile.in: Regenerate.
10864         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
10865         * configure: Regenerate.
10866         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
10867         * fileread.cc: Include sys/state.h
10868         * gold.h: Declare memmem and strndup if found missing.
10869         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
10870
10871 2009-06-23  Ian Lance Taylor  <iant@google.com>
10872
10873         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
10874         * configure: Rebuild.
10875
10876 2009-06-23  Ian Lance Taylor  <iant@google.com>
10877
10878         PR 10147
10879         * object.cc (Object::section_contents): Don't try to get a view if
10880         the section has length zero.
10881         (Object::handle_gnu_warning_section): If the section is empty, use
10882         the name of the section as the warning.
10883
10884 2009-06-23  Ian Lance Taylor  <iant@google.com>
10885
10886         PR 10133
10887         * stringpool.h (class Stringpool_template): Add optimize_ field.
10888         (Stringpool_template::set_optimize): New function.
10889         * stringpool.cc (Stringpool_template::Stringpool_template):
10890         Initialize optimize_ field.
10891         (Stringpool_template::set_string_offsets): Test local optimize
10892         fild rather than parameter.
10893         * layout.cc (Layout::Layout): Call set_optimize on the section
10894         name stringpool.
10895
10896 2009-06-22  Ian Lance Taylor  <iant@google.com>
10897
10898         PR 10030
10899         * yyscript.y: Parse TARGET.
10900         * script.cc (script_set_target): New function.
10901         * script-c.h (script_set_target): Declare.
10902         * options.cc (General_options::string_to_object_format): Rename
10903         from string_to_object_format in anonymous namespace.  Change
10904         callers.
10905         * options.h (class General_options): Declare
10906         string_to_object_format.
10907
10908 2009-06-22  Ian Lance Taylor  <iant@google.com>
10909
10910         * script-sections.cc (Script_sections::create_segments): Don't put
10911         program headers in a PT_LOAD segment if -n or -N.
10912
10913 2009-06-22  Ian Lance Taylor  <iant@google.com>
10914
10915         PR 10141
10916         * options.h (class General_options): Add -z lazy and -z now.  Sort
10917         -z options into alphabetical order.
10918         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
10919
10920 2009-06-21  Ian Lance Taylor  <iant@google.com>
10921
10922         * layout.cc (Layout::make_output_section): Call
10923         Target::new_output_section.
10924         (Layout::attach_allocated_section_to_segment): Put large section
10925         sections in a separate load segment with the large segment flag
10926         set.
10927         (Layout::segment_precedes): Sort large data segments after other
10928         load segments.
10929         (align_file_offset): New static function.
10930         (Layout::set_segment_offsets): Use align_file_offset.
10931         * output.h (class Output_section): Add is_small_section_ and
10932         is_large_section_ fields.
10933         (Output_section::is_small_section): New function.
10934         (Output_section::set_is_small_section):  New function.
10935         (Output_section::is_large_section): New function.
10936         (Output_section::set_is_large_section): New function.
10937         (Output_section::is_large_data_section): New function.
10938         (class Output_segment): Add is_large_data_segment_ field.
10939         (Output_segment::is_large_data_segment): New function.
10940         (Output_segment::set_is_large_data_segment): New function.
10941         * output.cc (Output_section::Output_section): Initialize new
10942         fields.
10943         (Output_segment::Output_segment): Likewise.
10944         (Output_segment::add_output_section): Add assertion that large
10945         data sections always go in large data segments.  Force small data
10946         sections to the end of the list of data sections.  Force small BSS
10947         sections to the start of the list of BSS sections.  For large BSS
10948         sections to the end of the list of BSS sections.
10949         * symtab.h (class Symbol): Declare is_common_shndx.
10950         (Symbol::is_defined): Check Symbol::is_common_shndx.
10951         (Symbol::is_common): Likewise.
10952         (class Symbol_table): Define enum Commons_section_type.  Update
10953         declarations.  Add small_commons_ and large_commons_ fields.
10954         * symtab.cc (Symbol::is_common_shndx): New function.
10955         (Symbol_table::Symbol_table): Initialize new fields.
10956         (Symbol_table::add_from_object): Put small and large common
10957         symbols in the right list.
10958         (Symbol_table::sized_finalized_symbol): Check
10959         Symbol::is_common_shndx.
10960         (Symbol_table::sized_write_globals): Likewise.
10961         * common.cc (Symbol_table::do_allocate_commons): Allocate new
10962         common symbol lists.  Don't call do_allocate_commons_list if the
10963         list is empty.
10964         (Symbol_table::do_allocate_commons_list): Remove is_tls
10965         parameter.  Add comons_section_type parameter.  Change all
10966         callers.  Handle small and large common symbols.
10967         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
10968         Symbol::is_common_shndx.
10969         * resolve.cc (symbol_to_bits): Likewise.
10970         * target.h (Target::small_common_shndx): New function.
10971         (Target::small_common_section_flags): New function.
10972         (Target::large_common_shndx): New function.
10973         (Target::large_common_section_flags): New function.
10974         (Target::new_output_section): New function.
10975         (Target::Target_info): Add small_common_shndx, large_common_shndx,
10976         small_common_section_flags, and large_common_section_flags
10977         fields.
10978         (Target::do_new_output_section): New virtual function.
10979         * arm.cc (Target_arm::arm_info): Initialize new fields.
10980         * i386.cc (Target_i386::i386_info): Likewise.
10981         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
10982         Likewise.
10983         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
10984         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
10985         (Target_x86_64::do_new_output_section): New function.
10986         * configure.ac: Define conditional MCMODEL_MEDIUM.
10987         * testsuite/Makefile.am (check_PROGRAMS): Add large.
10988         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
10989         (large_LDFLAGS): Define.
10990         * testsuite/large.c: New file.
10991         * testsuite/testfile.cc (Target_test::test_target_info):
10992         Initialize new fields.
10993         * configure, testsuite/Makefile.in: Rebuild.
10994
10995 2009-06-05  Doug Kwan  <dougkwan@google.com>
10996
10997         * Makefile.am (CCFILES): Add target.cc.
10998         * Makefile.in: Regenerate.
10999         * i386.cc (class Target_i386): Define new virtual method to
11000         override do_is_local_label_name in parent.
11001         * object.cc (Sized_relobj::do_count_local_symbols): Discard
11002         local symbols if --discard-locals or -X is given.
11003         * options.h (class General_options): Declare new options
11004         '--discard-locals' and '-X' for discarding locals.
11005         * target.h (class Target): Define new methods is_local_label_name.
11006         Declare new virtual method do_is_local_label_name.
11007         * target.cc: New file.
11008         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
11009         (check_SCRIPTS): Add discard_locals_test.sh.
11010         (check_DATA): Add discard_local_tests.syms.
11011         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
11012         (discard_local_tests.syms, discard_locals_test.o): New make rules.
11013         * testsuite/Makefile.in: Regenerate.
11014         * testsuite/discard_locals_test.c: New file.
11015         * testsuite/discard_locals_test.sh: Same.
11016
11017 2009-06-05  Doug Kwan  <dougkwan@google.com>
11018
11019         * object.cc (Sized_relobj::Sized_relobj): Initialize
11020         discarded_eh_frame_shndx_ to -1U.
11021         (Sized_relobj::do_layout): Record index of a discard .eh_frame
11022         section.
11023         (Sized_relobj::do_count_local_symbols): Skip local symbols in
11024         a discarded .eh_frame section.
11025         (Sized_relobj::do_finalize_local_symbols): Ditto.
11026         * object.h (class Sized_relobj): Declare new member
11027         discarded_eh_frame_shndx_.
11028         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
11029         (local_labels_test.o, local_labels_test): New rules.
11030         * testsuite/Makefile.in: Regenerate.
11031
11032 2009-06-04  Doug Kwan  <dougkwan@google.com>
11033
11034         * layout.cc (Layout::section_name_mapping): Add mapping for
11035         special ARM sections.
11036
11037 2009-06-03  Doug Kwan  <dougkwan@google.com>
11038
11039         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
11040         (utils::has_overflow): Same.
11041
11042 2009-06-03  Ian Lance Taylor  <iant@google.com>
11043
11044         * layout.cc (Layout::section_name_mapping): New array, replacing
11045         Layout::linkonce_mapping.
11046         (Layout::section_name_mapping_count): New variable, replacing
11047         Layout::linkonce_mapping_count.
11048         (Layout::linkonce_output_name): Remove.
11049         (Layout::output_section_name): Rewrite.
11050         * layout.h (class Layout): Rename Linkonce_mapping to
11051         Section_name_mapping, linkonce_mapping to section_name_mapping,
11052         linkonce_mapping_count to section_name_mapping_count.  Don't
11053         declare linkonce_output_name.
11054
11055 2009-06-03  Doug Kwan  <dougkwan@google.com>
11056
11057         * gold/arm.cc (namespace utils): New.
11058         (Target_arm::reloc_is_non_pic): Define new method.
11059         (class Arm_relocate_functions): New.
11060         (Target_arm::Relocate::relocate): Handle relocation types used by
11061         Android.
11062
11063 2009-06-03  Ian Lance Taylor  <iant@google.com>
11064
11065         * arm.cc (Target_arm::scan::global): Use || instead of |.
11066
11067 2009-06-02  Doug Kwan  <dougkwan@google.com>
11068
11069         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
11070         issued_non_pic_error_.
11071         (class Target_arm::Scan): Declare new method check_non_pic.
11072         Define new method symbol_needs_plt_entry.
11073         Declare new data member issued_non_pic_error_.
11074         (class Target_arm::Relocate): Declare new method
11075         should_apply_static_reloc.
11076         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
11077         (Target_arm::Scan::check_non_pic): Define new method.
11078         (Target_arm::Scan::local): Handle a small subset of reloc types used
11079         by Android.
11080         (Target_arm::Scan::local): Same.
11081         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
11082
11083 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
11084
11085         * incremental.cc (Incremental_inputs::report_command_line): Filter
11086         out --incremental-* options.
11087
11088 2009-05-29  Doug Kwan  <dougkwan@google.com>
11089
11090         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
11091         template class.
11092         (class Target_arm): Update comment.
11093         (Target_arm::Target_arm): Initialize new data members GOT_,
11094         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
11095         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
11096         and Target_arm::rel_dyn_section.
11097         Declare new_enum Target_arm::Got_type.
11098         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
11099         and DYNBSS_.
11100         Update commments for member do_dynsym_value.
11101         (Target_arm::got_size, Target_arm::plt_section,
11102         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
11103         new methods inside class defintion.
11104         (Target_arm::got_section): Define new method.
11105         (Target_arm::rel_dyn_section): Same.
11106         (Output_data_plt_arm): New template class.
11107         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
11108         (Output_data_plt_arm:do_adjust_output_section): Define new method.
11109         (Output_data_plt_arm::add_entry): Same.
11110         (Output_data_plt_arm::first_plt_entry): Define new
11111         static data member for PLT instruction template.
11112         (Output_data_plt_arm::plt_entry): Same.
11113         (Output_data_plt_arm::do_write): Define new method.
11114         (Target_arm::make_plt_entry): Same.
11115         (Target_arm::do_finalize_sections): Same.
11116         (Target_arm::do_dynsym_value): Same.
11117
11118 2009-05-28  Doug Kwan  <dougkwan@google.com>
11119
11120         * Makefile.am (TARGETSOURCES): Add arm.cc.
11121         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
11122         * Makefile.in: Regenerate.
11123         * arm.cc: New file.
11124         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
11125
11126 2009-05-26  Doug Kwan  <dougkwan@google.com>
11127
11128         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
11129         (General_options::check_excluded_libs): Strip off directories in
11130         archive name before matching like GNU ld does.
11131         * testsuite/Makefile.am (MOSTLYCLEANFILES,
11132         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
11133         (exclude_libs_test_LDFLAGS): Add linker option
11134         -Wl,--exclude-libs,libexclude_libs_test_3
11135         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
11136         an explicit archive without using -l.
11137         (alt/libexclude_libs_test_3.a): New make rule.
11138         * testsuite/Makefile.in: Regenerate.
11139         * testsuite/exclude_libs_test.c : Declare lib3_default().
11140         (main): Call it.
11141         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
11142         * exclude_libs_test_3.c: New file.
11143
11144 2009-05-26  Nick Clifton  <nickc@redhat.com>
11145
11146         * po/id.po: New Indonesian translation.
11147         * po/gold.pot: Updated template file.
11148
11149 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
11150
11151         * testsuite/Makefile.am: Add -ffunction-sections to compile
11152         gc_comdat_test files.  Add -Wl,--gc-sections to build
11153         gc_comdat_test.
11154         * testsuite/Makefile.in: Regenerate.
11155         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
11156
11157 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
11158
11159         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
11160         kept comdat section was garbage collected.
11161         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
11162         * testsuite/Makefile.in: Regenerate.
11163         * testsuite/gc_comdat_test.sh: New file.
11164         * testsuite/gc_comdat_test_1.cc: New file.
11165         * testsuite/gc_comdat_test_2.cc: New file.
11166
11167 2009-05-19  Doug Kwan  <dougkwan@google.com>
11168
11169         * archive.cc (Archive::Archive): Move constructor from archive.h
11170         to here.  Initialize no_export_.
11171         (Archive::get_elf_object_for_member): Set no_export flag of object.
11172         * archive.h (Archive::Archive): Move constructor body to
11173         archive.cc.
11174         (Archive::no_export): New method.
11175         (Archive::no_export_): New field.
11176         * object.h (Object::Object): Initialize no_export_ to false.
11177         (Object::no_export, Object::set_no_export): New methods.
11178         (Object::no_export_): New field.
11179         * options.cc (General_options::parse_exclude_libs): New method.
11180         (General_options::check_excluded_libs) Same.
11181         * options.h (exclude_libs): New option.
11182         (General_options::check_excluded_libs): New method declaration.
11183         (General_options::excluded_libs_): New field.
11184         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
11185         default or protected visibility if an object has no-export flag set.
11186         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
11187         (check_SCRIPTS): Add exclude_libs_test.sh.
11188         (check_DATA): Add exclude_libs_test.syms.
11189         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
11190         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
11191         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
11192         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
11193         (exclude_libs_test.syms, libexclude_libs_test_1.a,
11194         libexclude_libs_test_2.a): New rules.
11195         * testsuite/Makefile.in: Regenerate.
11196         * testsuite/exclude_libs_test.c: New file.
11197         * testsuite/exclude_libs_test.sh: Ditto.
11198         * testsuite/exclude_libs_test_1.c: Ditto.
11199         * testsuite/exclude_libs_test_2.c: Ditto.
11200
11201 2009-05-15  Ian Lance Taylor  <iant@google.com>
11202
11203         * configure.ac: Check for declarations for cases where libiberty.h
11204         checks HAVE_DECL_xxx.
11205         * configure, config.in: Rebuild.
11206
11207 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
11208
11209         * gold.h (Incremental_argument_list): Remove (invalid) forward
11210         declaration.
11211         * incremental.cc (Incremental_inputs::report_achive): New method.
11212         (Incremental_inputs::report_object): New method.
11213         (Incremental_inputs::report_script): New method.
11214         (Incremental_inputs::finalize_inputs): New method.
11215         (Incremental_inputs::finalize): Call finalize_inputs().
11216         (Incremental_inputs::sized_create_incremental_inputs_section_data):
11217         Create inputs entries.
11218         * incremental.h (Incremental_input_type): New enum.
11219         (Incremental_inputs::Incremental_input): Initialize new fields.
11220         (Incremental_inputs::report_inputs): New method.
11221         (Incremental_inputs::report_achive): New method.
11222         (Incremental_inputs::report_object): New method.
11223         (Incremental_inputs::report_script): New method.
11224         (Incremental_inputs::finalize_inputs): New method.
11225         (Incremental_inputs::Input_info): New struct.
11226         (Incremental_inputs::Input_info_map): New typedef.
11227         (Incremental_inputs::lock_): New field.
11228         (Incremental_inputs::Inputs_): New field.
11229         (Incremental_inputs::Inputs_map): New field.
11230         * main.cc (main): Call Incremental_input::report_inputs.
11231         * options.h (Input_argument_list): Typedef moved from
11232         Input_arguments.
11233         (Input_file_group::Files): Remove, use ::Input_argument_list.
11234         (Input_file_group::Input_argument_list): Remove, use
11235         ::Input_argument_list.
11236         * plugin.cc (Plugin_manager::add_input_file): Add error in
11237         incremental build.
11238         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
11239         functions.
11240         * script.cc (read_input_script): Call
11241         Incremental_input::report_script.
11242         * script.h (Script_info): New class.
11243
11244 2009-04-27  Ian Lance Taylor  <iant@google.com>
11245
11246         * x86_64.cc (do_adjust_output_section): Set entsize to
11247         plt_entry_size.
11248
11249 2009-04-23  Elliott Hughes  <enh@google.com>
11250
11251         * output.cc (Output_file::close): After short writes, continue
11252         writing from the correct offset in the buffer being written.
11253
11254 2009-04-23  Chris Demetriou  <cgd@google.com>
11255
11256         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
11257         * configure: Regenerate.
11258         * config.in: Regenerate.
11259         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
11260         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
11261
11262 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
11263
11264         * incremental.cc (Incremental_inputs_header_data): Renamed from
11265         Incremental_input_header_data.
11266         (Incremental_inputs_header_data::data_size): New field.
11267         (Incremental_inputs_header_data::put_input_file_count): Renamed
11268         from input_file_count.
11269         (Incremental_inputs_header_data::put_command_line_offset): Renamed
11270         from command_line_offset.
11271         (Incremental_inputs_header_data::put_reserved): Renamed from
11272         put_reserved.
11273         (Incremental_inputs_entry_data): Renamed from
11274         Incremental_input_entry_data.
11275         (Incremental_inputs_entry_data::data_size): New field.
11276         (Incremental_inputs::report_command_line): New method.
11277         (Incremental_inputs::finalize): New method.
11278         (Incremental_inputs::create_incremental_inputs_data): New method.
11279         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
11280         * incremental.h: New file.
11281         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
11282         (Layout::finalize): Create incremental inputs section in
11283         incremental builds.
11284         (Layout::create_incremental_info_sections): New method.
11285         * layout.h (Layout::incremental_inputs): New method.
11286         (Layout::create_incremental_info_sections): New method.
11287         (Layout::incremental_inputs_): New field.
11288         * main.cc (main): Notify Incremental_input of the command line.
11289
11290 2009-04-01  Ian Lance Taylor  <iant@google.com>
11291             Mikolaj Zalewski  <mikolajz@google.com>
11292
11293         * gold.h (reserve_unordered_map): Define, three versions, one for
11294         each version of Unordered_map.
11295         * layout.cc (Layout::Layout): Remove options parameter.  Add
11296         number_of_input_files parameter.  Don't initialize options_.
11297         Initialize number_of_input_files_ and resized_signatures_.  Move
11298         sections_are_attached_.
11299         (Layout::layout_group): Reserve space for group_signatures_.
11300         (Layout::find_or_add_kept_section): Change name parameter to be a
11301         reference.  Resize signatures_ map when it gets large enough.
11302         (Layout::layout_eh_frame): Use parameters->options() instead of
11303         this->options_.
11304         (Layout::make_output_section): Likewise.
11305         (Layout::attach_allocated_section_to_segment): Likewise.
11306         (Layout::finalize, Layout::create_executable_stack): Likewise.
11307         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
11308         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
11309         * layout.h (class Layout): Update declarations.  Remove options_
11310         field.  Add number_of_input_files_ and resized_signatures_
11311         fields.  Move sections_are_attached_ field.
11312         * main.cc (main): Pass number of input files to Layout
11313         constructor.  Don't pass options.
11314
11315 2009-03-30  Ian Lance Taylor  <iant@google.com>
11316
11317         * ffsll.c (ffsll): Correct implementation.
11318
11319 2009-03-27  Ian Lance Taylor  <iant@google.com>
11320
11321         * ffsll.c: New file.
11322         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
11323         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
11324         * ftruncate.c (ftruncate): Declare before definition.
11325         * mremap.c (mremap): Likewise.
11326         * pread.c (pread): Likewise.
11327         * configure, Makefile.in, config.in: Rebuild.
11328
11329         * mremap.c: New file.
11330         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
11331         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
11332         (mremap): Declare if HAVE_MREMAP is not defined.
11333         * configure, Makefile.in, config.in: Rebuild.
11334
11335 2009-03-27  Cary Coutant  <ccoutant@google.com>
11336
11337         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
11338         position independent.
11339         * sparc.cc (Target_sparc::check_non_pic): Likewise.
11340         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
11341
11342 2009-03-24  Cary Coutant  <ccoutant@google.com>
11343
11344         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
11345         an executable.
11346         (needs_dynamic_reloc): Likewise.
11347
11348 2009-03-24  Ian Lance Taylor  <iant@google.com>
11349
11350         * yyscript.y (file_cmd): Recognize EXTERN.
11351         (extern_name_list, extern_name_list_body): New nonterminals.
11352         * script.cc (script_add_extern): Define.
11353         * script-c.h (script_add_extern): Declare.
11354
11355 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
11356
11357         * object.cc (is_elf_object): Define.
11358         * object.h (is_elf_object): Declare.
11359         * archive.cc (Archive::get_elf_object_for_member): Call
11360         is_elf_object.
11361         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
11362
11363 2009-03-24  Elliott Hughes  <enh@google.com>
11364
11365         * output.cc (Output_file::map_anonymous): Define.
11366         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
11367         try an anonymous one.  Report the size if the mmap fails.
11368         * output.h (class Output_file): Declare map_anonymous.
11369
11370 2009-03-24  Ian Lance Taylor  <iant@google.com>
11371
11372         * target-select.cc (instantiate_target): Don't acquire the lock if
11373         the instantiated_target_ field has already been set.
11374
11375 2009-03-23  Ian Lance Taylor  <iant@google.com>
11376
11377         * gold-threads.h (class Initialize_lock): Define.
11378         * gold-threads.cc (class Initialize_lock_once): Define.
11379         (initialize_lock_control): New static variable.
11380         (initialize_lock_pointer): New static variable.
11381         (initialize_lock_once): New static function.
11382         (Initialize_lock::Initialize_lock): Define.
11383         (Initialize_lock::initialize): Define.
11384         * target-select.h: Include "gold-threads.h".
11385         (class Target_selector): Add lock_ and initialize_lock_ fields.
11386         Don't define instantiate_target, just declare it.
11387         * target-select.cc (Target_selector::Target_selector): Initialize
11388         new fields.
11389         (Target_selector::instantiate_target): Define.
11390         * descriptors.h: Include "gold-threads.h".
11391         (class Descriptors): Add initialize_lock_ field.
11392         * descriptors.cc (Descriptors::Descriptors): Initialize new
11393         field.
11394         (Descriptors::open): Use initialize_lock_ field
11395         * errors.h (class Errors): Add initialize_lock_ field.
11396         * errors.cc (Errors::Errors): Initialize new field.
11397         (Errors::initialize_lock): Use initialize_lock_ field.
11398         * powerpc.cc (class Target_selector_powerpc): Remove
11399         instantiated_target_ field.  In do_recognize call
11400         instantiate_target rather than do_instantiate_target.  In
11401         do_instantiate_target just allocate a new target.
11402         * sparc.cc (class Target_selector_sparc): Likewise.
11403
11404         * freebsd.h: New file.
11405         * i386.cc: Include "freebsd.h".
11406         (Target_i386): Derive from Target_freebsd rather than
11407         Sized_target.
11408         (Target_selector_i386): Derive from Target_selector_freebsd rather
11409         than Target_selector.
11410         * x86_64.cc: Include "freebsd.h".
11411         (Target_x86_64): Derive from Target_freebsd rather than
11412         Sized_target.
11413         (Target_selector_x86_64): Derive from Target_selector_freebsd
11414         rather than Target_selector.
11415         * target.h (class Target): Add adjust_elf_header and
11416         do_adjust_elf_header.
11417         * output.cc (Output_file_header:: do_sized_write): Call target
11418         adjust_elf_header routine.
11419         * configure.tgt: Set targ_osabi.
11420         * configure.ac: Define GOLD_DEFAULT_OSABI.
11421         * parameters.cc (Parameters::default_target): Pass
11422         GOLD_DEFAULT_OSABI to select_target.
11423         * target-select.h (class Target_selector): Make instantiate_target
11424         protected rather than private.
11425         * Makefile.am (HFILES): Add freebsd.h.
11426         * configure, Makefile.in, config.in: Rebuild.
11427
11428         * merge.cc (do_add_input_section): Correct pend value.  Change
11429         message about last entry not being null terminated from error to
11430         warning.
11431
11432 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
11433
11434         * incremental.cc: New file.
11435         * Makefile.am (CCFILES): Add incremental.cc.
11436         * Makefile.in: Rebuild.
11437
11438 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
11439
11440         * layout.cc (Layout::output_section_name): Preserve names
11441         of '.note.' sections.
11442
11443 2009-03-19  Ian Lance Taylor  <iant@google.com>
11444
11445         * descriptors.cc (Descriptors::open): Check that the options are
11446         valid before using them.
11447
11448 2009-03-18  Ian Lance Taylor  <iant@google.com>
11449
11450         * script-sections.h: Include <list>.
11451         (class Script_sections): Change Sections_elements from std::vector
11452         to std::list.  Typedef public Elements_iterator.  Add
11453         orphan_section_placement_, data_segment_align_start_, and
11454         saw_data_segment_align_ fields.  Remove data_segment_align_index_
11455         field.
11456         * script-sections.cc (class Orphan_section_placement): New class.
11457         (class Sections_element): Add virtual functions is_relro and
11458         orphan_section_init.  Remove virtual function place_orphan_here.
11459         (class Output_section_definition): Add is_relro and
11460         orphan_section_init.  Remove place_orphan_here.
11461         (class Orphan_output_section): Likewise.
11462         (Script_sections::Script_sections): Update for field changes.
11463         (Script_sections::data_segment_align): Set saw_data_segment_align_
11464         and data_segment_align_start_, not data_segment_align_index.
11465         (Script_sections::data_segment_relro_end): Check
11466         saw_data_segment_align_.  Use data_segment_align_start_ rather
11467         than data_segment_align_index_.
11468         (Script_sections::place_orphan): Rewrite to use
11469         Orphan_section_placement.
11470
11471 2009-03-17  Ian Lance Taylor  <iant@google.com>
11472
11473         * archive.cc (Archive::add_symbols): Check for a version attached
11474         to the symbol name in the archive map.
11475         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
11476         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
11477         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
11478         (ver_test_11.a): New target.
11479         * testsuite/Makefile.in: Rebuild.
11480
11481         * configure.ac: Check for chsize and posix_fallocate.  Replace
11482         ftruncate.
11483         * ftruncate.c: New file, from gnulib.
11484         * output.cc (posix_fallocate): Define dummy version if not
11485         HAVE_POSIX_FALLOCATE.
11486         (Output_file::map): Call posix_fallocate rather than lseek and
11487         write.
11488         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
11489         * configure, Makefile.in, config.in: Rebuild.
11490
11491 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
11492
11493         * layout.h (Layout::create_note): Add section_name parameter.
11494         * layout.cc (Layout::create_note): Likewise.
11495         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
11496
11497 2009-03-17  Ian Lance Taylor  <iant@google.com>
11498
11499         * descriptors.cc: Include "options.h".
11500         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
11501         (Descriptors::open): Always use O_CLOEXEC when opening a new
11502         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
11503         then set FD_CLOEXEC.
11504
11505         * sparc.cc (class Target_sparc): Add has_got_section.
11506         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
11507         make sure we have a GOT section.
11508
11509         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
11510         (Target_sparc::Scan::local): Likewise.
11511         (Target_sparc::Scan::global): Likewise.
11512         (Target_sparc::Relocate::relocate): Likewise.
11513         (Target_sparc::Relocate::relocate_tls): Likewise.
11514
11515         * symtab.cc (Symbol_table::define_default_version): New function,
11516         broken out of add_from_object.
11517         (Symbol_table::add_from_object): Call define_default_version.
11518         (Symbol_table::define_special_symbol): Add resolve_oldsym
11519         parameter.  Change all callers.  If the version for a symbol comes
11520         from a version script, resolve it with the symbol with the same
11521         name with no version.  Also add the symbol without a version if
11522         appropriate.
11523         (do_define_in_output_data): If resolving with oldsym, don't delete
11524         sym.
11525         (do_define_in_output_segment): Likewise.
11526         (do_define_as_constant): Likewise.
11527         * symtab.h (class Symbol_table): Update declarations.
11528
11529 2009-03-13  Ian Lance Taylor  <iant@google.com>
11530
11531         * readsyms.cc (Read_symbols::incompatible_warning): New function.
11532         (Read_symbols::requeue): New function.
11533         (Read_symbols::do_read_symbols): If make_elf_object fails because
11534         the target type is not configured, and the file was searched for,
11535         issue a warning and retry with the next directory.
11536         (Add_symbols::run): If the file has an incompatible format, and
11537         it was searched for, requeue the Read_symbols task.  On error,
11538         release the object.
11539         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
11540         dirindex parameter to constructor.  Change all callers.  Declare
11541         incompatible_warning and requeue.
11542         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
11543         input_argument_ and input_group_ fields.  Add them to
11544         constructor.  Change all callers.
11545         (class Read_script): Add dirindex_ field.  Add it to constructor.
11546         Change all callers.
11547         * archive.cc (Archive::setup): Remove input_objects parameter.
11548         Change all callers.
11549         (Archive::get_file_and_offset): Likewise.
11550         (Archive::read_all_symbols): Likewise.
11551         (Archive::read_symbols): Likewise.
11552         (Archive::get_elf_object_for_member): Remove input_objects
11553         parameter.  Add punconfigured parameter.  Change all callers.
11554         (Archive::add_symbols): Change return type to bool.  Check return
11555         value of include_member.
11556         (Archive::include_all_members): Likewise.
11557         (Archive::include_member): Change return type to bool.  Return
11558         false if first included object has incompatible target.  Set
11559         included_member_ field.
11560         (Add_archive_symbols::run): If add_symbols returns false, requeue
11561         Read_symbols task.
11562         * archive.h (class Archive): Add included_member_ field.
11563         Initialize it in constructor.  Add input_file and searched_for
11564         methods.  Update declarations.
11565         (class Add_archive_symbols): Add dirpath_, dirindex_, and
11566         input_argument_ fields.  Add them to constructor.  Change all
11567         callers.
11568         * script.cc: Include "target-select.h".
11569         (class Parser_closure): Add skip_on_incompatible_target_ and
11570         found_incompatible_target_ fields.  Add
11571         skip_on_incompatible_target parameter to constructor.  Change all
11572         callers.  Add methods skip_on_incompatible_target,
11573         clear_skip_on_incompatible_target, found_incompatible_target, and
11574         set_found_incompatible_target.
11575         (read_input_script): Add dirindex parameter.  Change all callers.
11576         If parser finds an incompatible target, requeue Read_symbols
11577         task.
11578         (script_set_symbol): Clear skip_on_incompatible_target in
11579         closure.
11580         (script_add_assertion, script_parse_option): Likewise.
11581         (script_start_sections, script_add_phdr): Likewise.
11582         (script_check_output_format): New function.
11583         * script.h (read_input_script): Update declaration.
11584         * script-c.h (script_check_output_format): Declare.
11585         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
11586         (ignore_cmd): Remove OUTPUT_FORMAT.
11587         * fileread.cc (Input_file::Input_file): Add explicit this.
11588         (Input_file::will_search_for): New function.
11589         (Input_file::open): Add pindex parameter.  Change all callers.
11590         * fileread.h (class Input_file): Add input_file_argument method.
11591         Declare will_search_for.  Update declarations.
11592         * object.cc (make_elf_object): Add punconfigured parameter.
11593         Change all callers.
11594         * object.h (class Object): Make input_file public.  Add
11595         searched_for method.
11596         (make_elf_object): Update declaration.
11597         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
11598         restart search.
11599         * dirsearch.h (class Dirsearch): Update declaration.
11600         * options.h (class General_options): Add --warn-search-mismatch.
11601         * parameters.cc (Parameters::is_compatible_target): New function.
11602         * parameters.h (class Parameters): Declare is_compatible_target.
11603         * workqueue.cc (Workqueue::add_blocker): New function.
11604         * workqueue.h (class Workqueue): Declare add_blocker.
11605
11606         * fileread.cc (Input_file::open): Remove options parameter.
11607         Change all callers.
11608         (Input_file::open_binary): Likewise.
11609         * script.cc (read_input_script): Likewise.
11610         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
11611         options parameter from constructor.  Change all callers.
11612         (class Read_script): Likewise.
11613         * fileread.h (class Input_file): Update declarations.
11614         * script.h (read_input_script): Update declaration.
11615
11616 2009-03-10  Nick Clifton  <nickc@redhat.com>
11617
11618         * po/es.po: New Spanish translation.
11619
11620 2009-03-06  Cary Coutant  <ccoutant@google.com>
11621
11622         * options.cc (parse_short_option): Keep dash_z from registering itself.
11623
11624 2009-03-03  Ian Lance Taylor  <iant@google.com>
11625
11626         PR 9918
11627         * target-reloc.h (relocate_section): Pass output_section to
11628         relocate.
11629         * i386.cc (Target_i386::should_apply_static_reloc): Add
11630         output_section parameter.  Change all callers.
11631         (Target_i386::Relocate::relocate): Add output_section parameter.
11632         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11633         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
11634         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
11635         * testsuite/two_file_shared.sh: New script.
11636         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
11637         (check_DATA): Add two_file_shared.dbg.
11638         (two_file_shared.dbg): New target.
11639         * testsuite/Makefile.in: Rebuild.
11640
11641 2009-03-01  Ian Lance Taylor  <iant@google.com>
11642
11643         * configure.ac: Check for byteswap.h.
11644         * configure: Rebuild.
11645         * config.in: Rebuild.
11646
11647 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
11648
11649         * layout.cc (Layout::find_or_add_kept_section): New function.
11650         (Layout::add_comdat): Removed.
11651         * layout.h (struct Kept_section): Move out of class Layout.
11652         Remove trailing underscores from field names.  Add group_sections
11653         field.  Rename group_ field to is_group.  Change all uses.
11654         (class Layout): Declare find_or_add_kept_section, not add_comdat.
11655         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
11656         comdat_groups_ field.
11657         (Sized_relobj::include_section_group): Use
11658         find_or_add_kept_section and Kept_section::group_sections.
11659         (Sized_relobj::include_linkonce_section): Likewise.
11660         * object.cc (class Sized_relobj): Don't define Comdat_group or
11661         Comdat_group_table.  Remove find_comdat_group and
11662         add_comdat_group.  Remove comdat_groups_ field.
11663         * plugin.cc (include_comdat_group): Use
11664         Layout::find_or_add_kept_section.
11665
11666 2009-02-28  Ian Lance Taylor  <iant@google.com>
11667
11668         * README: --gc-sections and map files are now supported.  Document
11669         some build requirements.
11670
11671         PR 6992
11672         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
11673         relocatable link set the value of the section symbol to zero.
11674         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
11675         relocatable link don't include the section address in the local
11676         symbol value.
11677
11678 2009-02-27  Ian Lance Taylor  <iant@google.com>
11679
11680         PR 6811
11681         * options.h (class Search_directory): Add is_system_directory.
11682         (class General_options): Declare is_in_system_directory.
11683         * options.cc (get_relative_sysroot): Make static.
11684         (get_default_sysroot): Make static.
11685         (General_optoins::is_in_system_directory): New function.
11686         * fileread.cc (Input_file::is_in_system_directory): New function.
11687         * fileread.h (class Input_file): Declare is_in_system_directory.
11688         * object.h (class Object): Add is_in_system_directory.
11689         (class Input_objects): Remove system_library_directory_ field.
11690         * object.cc (Input_objects::add_object): Don't set
11691         system_library_directory_.
11692         (input_objects::found_in_system_library_directory): Remove.
11693         * symtab.cc (Symbol_table::write_globals): Remove input_objects
11694         parameter.  Change all callers.
11695         (Symbol_table::sized_write_globals): Likewise.
11696         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
11697         Call Object::is_in_system_directory.
11698         * symtab.h (class Symbol_table): Update declarations.
11699
11700         PR 5990
11701         * descriptors.h (Open_descriptor): Add is_on_stack field.
11702         * descriptors.cc (Descriptors::open): If the descriptor is on the
11703         top of the stack, remove it.  Initialize is_on_stack field.
11704         (Descriptors::release): Only add pod to stack if it is not on the
11705         stack already.
11706         (Descriptors::close_some_descriptor): Clear stack_next and
11707         is_on_stack fields.
11708
11709         PR 7091
11710         * output.cc (Output_section::find_starting_output_address): Rename
11711         from starting_output_address; add PADDR parameter; change return
11712         type.
11713         * output.h (class Output_section): Declare
11714         find_starting_output_address instead of starting_output_address.
11715         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
11716         section symbol for which we can't find a merge section.
11717
11718         PR 9836
11719         * symtab.cc (Symbol_table::add_from_object): If the visibility is
11720         hidden or internal, force the symbol to be local.
11721         * resolve.cc (Symbol::override_visibility): Define.
11722         (Symbol::override_base): Use override_visibility.
11723         (Symbol_table::resolve): Likewise.
11724         (Symbol::override_base_with_special): Likewise.
11725         (Symbol_table::override_with_special): If the visibility is hidden
11726         or internal, force the symbol to be local.
11727         * symtab.h (class Symbol): Add set_visibility and
11728         override_visibility.
11729         * testsuite/ver_test_1.sh: New file.
11730         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
11731         (check_DATA): Add ver_test_1.syms.
11732         (ver_test_1.syms): New target.
11733         * testsuite/Makefile.in: Rebuild.
11734
11735 2009-02-25  Cary Coutant  <ccoutant@google.com>
11736
11737         * layout.cc (Layout::choose_output_section): Don't rename sections
11738         when using a linker script that has a SECTIONS clause.
11739         * Makefile.in: Regenerate.
11740
11741         * testsuite/Makefile.am (script_test_5.sh): New test case.
11742         * testsuite/Makefile.in: Regenerate.
11743         * testsuite/script_test_5.cc: New file.
11744         * testsuite/script_test_5.sh: New file.
11745         * testsuite/script_test_5.t: New file.
11746
11747 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
11748
11749         * archive.cc (Archive::include_member): Update calls to add_symbols.
11750         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
11751         the Layout argument.
11752         * dynobj.h (do_add_symbols): Add the Layout argument.
11753         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
11754         Layout argument.
11755         * object.h (Object::add_symbols): Add the Layout argument.
11756         (Object::do_add_symbols): Add the Layout argument.
11757         (Sized_relobj::do_add_symbols): Add the Layout argument.
11758         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
11759         Unify the two versions.
11760         (Add_plugin_symbols): Remove.
11761         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
11762         (Sized_pluginobj::do_add_symbols): Unify the two versions.
11763         (Add_plugin_symbols): Remove.
11764         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
11765         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
11766         (Add_symbols::run): Make it work with Pulginobj.
11767
11768 2009-02-06  Ian Lance Taylor  <iant@google.com>
11769
11770         * object.cc (Sized_relobj::do_layout): Make info message start
11771         with lower case letter.
11772
11773 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
11774
11775         * binary.cc: Fix file comment.
11776
11777         * options.h (enum Incremental_disposition): Define.
11778         (class General_options): Add new options: --incremental,
11779         --incremental_changed, --incremental_unchanged,
11780         --incremental_unknown.  Add incremental_disposition_ and
11781         implicit_incremental_ fields.
11782         (General_options::incremental_disposition): New function.
11783         (class Position_dependent_options): Add incremental_disposition
11784         option.
11785         (Position_dependent_options::copy_from_options): Set incremental
11786         dispositions.
11787         * options.cc (General_options::parse_incremental_changed): New
11788         function.
11789         (General_options::parse_incremental_unchanged): New function.
11790         (General_options::parse_incremental_unknown): New function.
11791         (General_options::General_options): Initialize new fields
11792         incremental_disposition_ and implicit_incremental_.
11793         (General_options::finalize): Check for uasge of --incremental-*
11794         without --incremental.
11795
11796 2009-02-06  Chris Demetriou  <cgd@google.com>
11797
11798         * gold.h (gold_undefined_symbol): Change to take only a Symbol
11799         pointer and to report location as the file name associated with
11800         the symbol.
11801         (gold_undefined_symbol_at_location): New function to replace the
11802         old gold_undefined_symbol functionality.
11803         * target-reloc.h (relocate_section): Update to use
11804         gold_undefined_symbol_at_location.
11805         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11806         Call gold_undefined_symbol function rather than gold_error.
11807         * errors.h (Errors::undefined_symbol): Take location as a
11808         string, rather than calculating it from a relocation.
11809         * errors.cc (Errors::fatal): Print "fatal error:" before the
11810         formatted message.
11811         (Errors::error, Errors::error_at_location): Print "error: "
11812         before the formatted message.
11813         (Errors::undefined_symbol): Take location as a string, rather
11814         than calculating it from a relocation.
11815         (gold_undefined_symbol_at_location): New function akin to
11816         old gold_undefined_symbol, calculates location from relocation.
11817         (gold_undefined_symbol): Change to take only a Symbol pointer
11818         and to report location as the file name associated with the symbol.
11819         * testsuite/debug_msg.sh: Update for changed error messages.
11820         * testsuite/undef_symbol.sh: Likewise.
11821
11822 2009-02-04  Duncan Sands  <baldrick@free.fr>
11823
11824         PR 9812
11825         * reduced_debug_output.h
11826         (Output_reduced_debug_abbrev_section::failed): Use format for
11827         gold_warning.
11828         (Output_reduced_debug_info_section::faild): Likewise.
11829
11830 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
11831
11832         * script.cc (Lazy_demangler): New class.
11833         (Version_script_info::get_symbol_version_helper): Demangle a
11834         symbol only once.
11835
11836 2009-01-29  Cary Coutant  <ccoutant@google.com>
11837
11838         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
11839         to __tls_get_addr.
11840         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11841
11842 2009-01-28  Ian Lance Taylor  <iant@google.com>
11843
11844         * version.cc (version_string): Bump to 1.9.
11845
11846         * gold.h: Include <cstring> and <stdint.h>.
11847         * version.cc: Include <cstdio>.
11848         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
11849         warning.
11850         * reduced_debug_output.cc (insert_into_vector): Rename from
11851         Insert_into_vector; change all callers.  Use Swap_unaligned to
11852         avoid aliasing issue; remove union since it is unnecessary.
11853
11854 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
11855
11856         * Makefile.am (CCFILES): Add gc.cc.
11857         (HFILES): Add gc.h.
11858         * Makefile.in: Regenerate.
11859         * gold.cc (Gc_runner): New class.
11860         (queue_initial_tasks): Call garbage collection related tasks
11861         when corresponding options are invoked.
11862         (queue_middle_gc_tasks): New function.
11863         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
11864         processed early before laying out sections during garbage collection.
11865         * gold.h (queue_middle_gc_tasks): New function.
11866         (is_prefix_of): Move from "layout.cc".
11867         * i386.cc (Target_i386::gc_process_relocs): New function.
11868         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
11869         * main.cc (main): Create object of class "Garbage_collection".
11870         * object.cc (Relobj::copy_symbols_data): New function.
11871         (Relobj::is_section_name_included): New function.
11872         (Sized_relobj::do_layout): Allow this function to be called twice
11873         during garbage collection and defer layout of section during the
11874         first call.
11875         * object.h (Relobj::get_symbols_data): New function.
11876         (Relobj::is_section_name_included): New function.
11877         (Relobj::copy_symbols_data): New function.
11878         (Relobj::set_symbols_data): New function.
11879         (Relobj::get_relocs_data): New function.
11880         (Relobj::set_relocs_data): New function.
11881         (Relobj::is_output_section_offset_invalid): New pure virtual function.
11882         (Relobj::gc_process_relocs): New function.
11883         (Relobj::do_gc_process_relocs): New pure virtual function.
11884         (Relobj::sd_): New data member.
11885         (Sized_relobj::is_output_section_offset_invalid): New function.
11886         (Sized_relobj::do_gc_process_relocs): New function.
11887         * options.h (General_options::gc_sections): Modify to not be a no-op.
11888         (General_options::print_gc_sections): New option.
11889         * plugin.cc (Plugin_finish::run): Remove function call to
11890         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
11891         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
11892         * reloc.cc (Read_relocs::run): Add task to process relocs and
11893         determine unreferenced sections when doing garbage collection.
11894         (Gc_process_relocs): New class.
11895         (Sized_relobj::do_gc_process_relocs): New function.
11896         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
11897         sections that are garbage collected.
11898         * reloc.h (Gc_process_relocs): New class.
11899         * sparc.cc (Target_sparc::gc_process_relocs): New function.
11900         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
11901         symbols whose corresponding sections are garbage collected.
11902         (Symbol_table::Symbol_table): Add new parameter for the garbage
11903         collection object.
11904         (Symbol_table::gc_mark_undef_symbols): New function.
11905         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11906         (Symbol_table::gc_mark_dyn_syms): New function.
11907         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
11908         as garbage.
11909         (Symbol_table::add_from_object): Likewise.
11910         (Symbol_table::add_from_relobj): When building shared objects, do not
11911         treat externally visible symbols as garbage.
11912         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
11913         table information for static and relocatable links.
11914         * symtab.h (Symbol_table::set_gc): New function.
11915         (Symbol_table::gc): New function.
11916         (Symbol_table::gc_mark_undef_symbols): New function.
11917         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11918         (Symbol_table::gc_mark_dyn_syms): New function.
11919         (Symbol_table::gc_): New data member.
11920         * target.h (Sized_target::gc_process_relocs): New pure virtual
11921         function.
11922         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
11923         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
11924
11925 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
11926
11927         * options.h (General_options::gc_sections): Define as a no-op for now.
11928         (General_options::no_keep_memory): Ditto.
11929         (General_options::Bshareable): Define.
11930         * options.cc (General_options::finalize): Honor -Bshareable.
11931
11932 2009-01-20  Andreas Schwab  <schwab@suse.de>
11933
11934         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
11935         read the value in the contents, since we don't use it.  Use the
11936         template endianness when writing.
11937         (Relocate::relocate): Use it for R_PPC_REL16_HA.
11938
11939 2009-01-19  Andreas Schwab  <schwab@suse.de>
11940
11941         * configure.tgt (powerpc64-*): Fix targ_obj.
11942
11943 2009-01-15  Ian Lance Taylor  <iant@google.com>
11944
11945         * object.cc (Sized_relobj::write_local_symbols): Don't write out
11946         local symbols when stripping all symbols.
11947
11948 2009-01-14  Cary Coutant  <ccoutant@google.com>
11949
11950         * output.cc (Output_reloc): Add explicit instantiations.
11951
11952 2009-01-14  Cary Coutant  <ccoutant@google.com>
11953
11954         * archive.cc (Archive::get_elf_object_for_member): Remove call
11955         to File_read::claim_for_plugin.
11956         * descriptors.cc (Descriptors::open): Remove reference to
11957         is_claimed.
11958         (Descriptors::claim_for_plugin): Remove.
11959         * descriptors.h (Descriptors::claim_for_plugin): Remove.
11960         (Descriptors::is_claimed): Remove.
11961         (claim_descriptor_for_plugin): Remove.
11962         * fileread.cc (File_read::claim_for_plugin): Remove.
11963         * fileread.h (File_read::claim_for_plugin): Remove.
11964         (File_read::descriptor): Reopen descriptor if necessary.
11965         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
11966         (Plugin_manager::all_symbols_read): Add task parameter. Change
11967         all callers.
11968         (Plugin_manager::get_input_file): New function.
11969         (Plugin_manager::release_input_file): New function.
11970         (Pluginobj::Pluginobj): Add filesize parameter and initialize
11971         corresponding data member.
11972         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
11973         and pass to base constructor. Change all callers.
11974         (get_input_file, release_input_file): New functions.
11975         (make_sized_plugin_object): Add filesize parameter. Change all callers.
11976         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
11977         (Plugin_manager::all_symbols_read): Add task parameter.
11978         (Plugin_manager::get_input_file): New function.
11979         (Plugin_manager::release_input_file): New function.
11980         (Plugin_manager::task_): New data member.
11981         (Pluginobj::Pluginobj): Add filesize parameter.
11982         (Pluginobj::filename): New function.
11983         (Pluginobj::descriptor): New function.
11984         (Pluginobj::filesize): New function.
11985         (Pluginobj::filesize_): New data member.
11986         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
11987         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
11988         File_read::claim_for_plugin; use Object::unlock to unlock the file.
11989
11990         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
11991         with archive libraries.
11992         * testsuite/Makefile.in: Regenerate.
11993         * testsuite/plugin_test.c (struct sym_info): New type.
11994         (get_input_file, release_input_file): New static variables.
11995         (onload): Capture new transfer vector entries.
11996         (claim_file_hook): Stop reading at end of file according to filesize.
11997         Factor out parsing of readelf output into separate function.
11998         (all_symbols_read_hook): Exercise get_input_file and release_input_file
11999         APIs and get the source file name from the symbol table.  Convert
12000         source file name to corresponding object file name.  Print info
12001         message when adding new input files.
12002         (parse_readelf_line): New function.
12003         * testsuite/plugin_test_1.sh: Add checks for new info messages.
12004         * testsuite/plugin_test_2.sh: Likewise.
12005         * testsuite/plugin_test_3.sh: Likewise.
12006         * testsuite/plugin_test_4.sh: New test case.
12007
12008 2009-01-07  Ian Lance Taylor  <iant@google.com>
12009
12010         * version.cc (version_string): Bump to 1.8.
12011
12012 2008-12-23  Cary Coutant  <ccoutant@google.com>
12013
12014         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
12015         * plugin.cc (Plugin_manager::finish): Rename as
12016         layout_deferred_objects.  Move cleanup to separate function.
12017         (Plugin_manager::cleanup): New function.
12018         (Plugin_finish::run): Call layout_deferred_objects and cleanup
12019         separately.
12020         * plugin.h (Plugin_manager::finish): Rename as
12021         layout_deferred_objects.
12022         (Plugin_manager::cleanup): New function.
12023         (Plugin_manager::cleanup_done): New field.
12024
12025 2008-12-23  Cary Coutant  <ccoutant@google.com>
12026
12027         * plugin.cc (is_visible_from_outside): New function.
12028         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
12029         so we don't return "IR only" status for exported symbols or -r links.
12030
12031         * testsuite/Makefile.am (plugin_test_3): New test case.
12032         * testsuite/Makefile.in: Regenerate.
12033         * testsuite/plugin_test_3.sh: New file.
12034
12035 2008-12-22  Cary Coutant  <ccoutant@google.com>
12036
12037         * object.cc (Sized_relobj::layout_section): New function.
12038         (Sized_relobj::do_layout): Defer layout of input sections until after
12039         plugin has provided replacement files.
12040         (Sized_relobj::do_layout_deferred_sections): New function.
12041         * object.h (Relobj::set_section_offset): Remove virtual keyword.
12042         (Relobj::layout_deferred_sections): New function.
12043         (Relobj::do_layout_deferred_sections): New function.
12044         (Sized_relobj::do_layout_deferred_sections): New function.
12045         (Sized_relobj::layout_section): New function.
12046         (Sized_relobj::Deferred_layout): New structure.
12047         (Sized_relobj::deferred_layout_): New field.
12048         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
12049         Change all callers.  Layout deferred sections.
12050         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
12051         references.
12052         (Plugin_hook::run): Move code from do_plugin_hook inline.
12053         (Plugin_hook::do_plugin_hook): Remove.
12054         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
12055         (Plugin_manager::finish): Renamed, was cleanup.
12056         (Plugin_manager::should_defer_layout): New function.
12057         (Plugin_manager::add_deferred_layout_object): New function.
12058         (Plugin_manager::Deferred_layout_list): New type.
12059         (Plugin_manager::deferred_layout_objects_): New field.
12060         (Plugin_hook::do_plugin_hook): Remove.
12061
12062 2008-12-17  Ian Lance Taylor  <iant@google.com>
12063
12064         * options.h (class General_options): Add --no case for
12065         --export-dynamic.
12066
12067 2008-12-16  Cary Coutant  <ccoutant@google.com>
12068
12069         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
12070         vector.
12071         (Plugin_manager::claim_file): Create plugin object even if
12072         plugin did not call the add_symbols callback.
12073         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
12074         asking for more symbols than were added.
12075         * testsuite/Makefile.am (plugin_test_1): Add test case with
12076         no global symbols.
12077         (empty.syms): New target.
12078         * testsuite/Makefile.in: Regenerate.
12079         * testsuite/plugin_test.c (claim_file_hook): Add new debug
12080         message. Don't call add_symbols if no globals.
12081         (all_symbols_read_hook): Don't provide replacement for empty
12082         claimed file.
12083
12084 2008-12-12  Ian Lance Taylor  <iant@google.com>
12085
12086         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
12087         r_type == 0 for a local symbol with r_sym == 0.
12088         (scan_relocatable_relocs): Pass r_sym to
12089         local_non_section_strategy.
12090         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
12091         r_sym parameter.
12092
12093         * configure.ac: Update test for TLS descriptors: they are
12094         supported as of glibc 2.9.
12095         * configure: Rebuild.
12096
12097 2008-12-11  Ian Lance Taylor  <iant@google.com>
12098
12099         PR 7091
12100         * target-reloc.h (Default_scan_relocatable_relocs): For each
12101         function, map r_type == 0 to RELOC_DISCARD.
12102
12103 2008-12-10  Cary Coutant  <ccoutant@google.com>
12104
12105         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
12106         object to override a kept COMDAT group from a plugin object.
12107
12108 2008-12-09  Ian Lance Taylor  <iant@google.com>
12109
12110         PR 7088
12111         * yyscript.y (file_cmd): Handle INPUT.
12112
12113         * testsuite/initpri1.c: Change all declarations to be full
12114         prototypes by adding void, to avoid compiler warnings.
12115
12116 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
12117
12118         * options.cc (General_options::parse_plugin_opt): New.
12119         (General_options::add_plugin): The argument now is just the filename.
12120         (General_options::add_plugin_option): New.
12121         * options.h (plugin_opt): New.
12122         (add_plugin): Change argument name.
12123         (add_plugin_option): New.
12124         * plugin.cc (Plugin::load): Don't parse the plugin option.
12125         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
12126         (Plugin::add_option): New.
12127         (Plugin::args_): Change type.
12128         (Plugin::filename_): New.
12129         (Plugin_manager::add_plugin_option): New.
12130         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
12131         * testsuite/Makefile.in: Regenerate.
12132
12133 2008-12-05  Cary Coutant  <ccoutant@google.com>
12134
12135         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
12136         Handle --strip-lto-sections option.
12137         * options.h (strip_lto_sections): New option.
12138
12139 2008-12-01  Cary Coutant  <ccoutant@google.com>
12140
12141         * plugin.cc (ld_plugin_message): Change format parameter to const.
12142         Fix mismatch between new[] and delete.
12143
12144 2008-11-14  Cary Coutant  <ccoutant@google.com>
12145
12146         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
12147         instead of -1U.
12148
12149 2008-11-05  Craig Silverstein  <csilvers@google.com>
12150
12151         * options.cc (General_options::parse_dynamic_list): New function.
12152         * options.h (General_options): New flags dynamic_list,
12153         dynamic_list_data, dynamic_list_cpp_new, and
12154         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
12155         (General_options::in_dynamic_list): New function.
12156         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
12157         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
12158         (Lex::can_continue_name): Likewise.
12159         (yylex): Likewise.
12160         (read_script_file): New parameter script_options.
12161         (read_dynamic_list): New function.
12162         (Script_options::define_dynamic_list): New function.
12163         (dynamic_list_keyword_parsecodes): New variable.
12164         (dynamic_list_keywords): New variable.
12165         * script.h (Script_options::define_dynamic_list): New function
12166         prototype.
12167         (read_dynamic_list): New function prototype.
12168         * symtab.cc (strprefix): New macro.
12169         (Symbol::should_add_dynsym_entry): Support dynamic_list,
12170         dynamic_list_data, dynamic_list_cpp_new, and
12171         dynamic_list_cpp_typeinfo.
12172         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
12173         (dynamic_list_expr): New rule.
12174         (dynamic_list_nodes): Likewise.
12175         (dynamic_list_node): Likewise.
12176         * testsuite/Makefile.am (dynamic_list): New test.
12177         * testsuite/Makefile.in: Regenerated.
12178         * testsuite/dynamic_list.t: New file.
12179         * testsuite/dynamic_list.sh: New file.
12180
12181 2008-11-05  Craig Silverstein  <csilvers@google.com>
12182
12183         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
12184         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
12185         (t11_last): Likewise.
12186         * testsuite/ver_test_6.c (main): Likewise.
12187
12188 2008-10-07  Cary Coutant  <ccoutant@google.com>
12189
12190         * options.c (General_options::finalize): Add check for -static and
12191         -shared.
12192         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
12193         is not empty.
12194
12195 2008-10-02  Cary Coutant  <ccoutant@google.com>
12196
12197         * plugin.cc (make_sized_plugin_object): Fix conditional
12198         compilation to work when not all targets are enabled.
12199
12200 2008-09-29  Cary Coutant  <ccoutant@google.com>
12201
12202         * archive.cc (Archive::get_file_and_offset): Use filename instead
12203         of name to get library path.
12204         (Archive::include_member): Unlock external member of a thin archive.
12205
12206         * testsuite/Makefile.am (TEST_AR): New variable.
12207         (thin_archive_test_1): New test.
12208         (thin_archive_test_2): New test.
12209         * testsuite/Makefile.in: Regenerate.
12210         * testsuite/thin_archive_main.cc: New file.
12211         * testsuite/thin_archive_test_1.cc: New file.
12212         * testsuite/thin_archive_test_2.cc: New file.
12213         * testsuite/thin_archive_test_3.cc: New file.
12214         * testsuite/thin_archive_test_4.cc: New file.
12215
12216 2008-09-29  Cary Coutant  <ccoutant@google.com>
12217
12218         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
12219         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
12220         instead of -1U.
12221         (Sized_relobj::do_finalize_local_symbols): Likewise.
12222         (Sized_relobj::map_to_kept_section): Likewise.
12223         * object.h (Sized_relobj::invalid_address): New constant.
12224         (Sized_relobj::do_output_section_offset): Check for invalid_address
12225         and return -1ULL.
12226         * output.cc (Output_reloc::local_section_offset): Use constant
12227         invalid_address instead of -1U.
12228         (Output_reloc::get_address): Likewise.
12229         (Output_section::output_address): Change -1U to -1ULL.
12230         * output.h (Output_reloc::invalid_address): New constant.
12231         * reloc.cc (Sized_relobj::write_sections): Use constant
12232         invalid_address instead of -1U.
12233         (Sized_relobj::relocate_sections): Likewise.
12234         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
12235         values for merge sections.
12236         * target-reloc.h (relocate_for_relocatable): Use constant
12237         invalid_address instead of -1U.
12238
12239 2008-09-19  Cary Coutant  <ccoutant@google.com>
12240
12241         Add plugin functionality for link-time optimization (LTO).
12242         * configure.ac (plugins): Add --enable-plugins option.
12243         * configure: Regenerate.
12244         * config.in: Regenerate.
12245         * Makefile.am (LIBDL): New variable.
12246         (CCFILES): Add plugin.cc.
12247         (HFILES): Add plugin.h.
12248         (ldadd_var): Add LIBDL.
12249         * Makefile.in: Regenerate.
12250
12251         * archive.cc: Include "plugin.h".
12252         (Archive::setup): Don't preread archive symbols when using a plugin.
12253         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
12254         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
12255         files.
12256         (Archive::include_member): Add symbols from plugin objects.
12257         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
12258         * descriptors.cc (Descriptors::open): Check for file descriptors
12259         abandoned by plugins.
12260         (Descriptors::claim_for_plugin): New function.
12261         * descriptors.h (Descriptors::claim_for_plugin): New function.
12262         (Open_descriptor::is_claimed): New field.
12263         (claim_descriptor_for_plugin): New function.
12264         * fileread.cc (File_read::claim_for_plugin): New function.
12265         * fileread.h (File_read::claim_for_plugin): New function.
12266         (File_read::descriptor): New function.
12267         * gold.cc: Include "plugin.h".
12268         (queue_initial_tasks): Add task to call plugin hooks for generating
12269         new object files.
12270         * main.cc: Include "plugin.h".
12271         (main): Load plugin libraries.
12272         * object.h (Pluginobj): Declare.
12273         (Object::pluginobj): New function.
12274         (Object::do_pluginobj): New function.
12275         (Object::set_target): New function.
12276         * options.cc: Include "plugin.h".
12277         (General_options::parse_plugin): New function.
12278         (General_options::General_options): Initialize plugins_ field.
12279         (General_options::add_plugin): New function.
12280         * options.h (Plugin_manager): Declare.
12281         (General_options): Add --plugin option.
12282         (General_options::has_plugins): New function.
12283         (General_options::plugins): New function.
12284         (General_options::add_plugin): New function.
12285         (General_options::plugins_): New field.
12286         * plugin.cc: New file.
12287         * plugin.h: New file.
12288         * readsyms.cc: Include "plugin.h".
12289         (Read_symbols::do_read_symbols): Check for archive before checking
12290         for ELF file.  Call plugin hooks to claim files.
12291         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
12292         from a real object file; force override when processing replacement
12293         files.
12294         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
12295         (Symbol::init_base_object): Likewise.
12296         (Symbol::init_base_output_data): Likewise.
12297         (Symbol::init_base_output_segment): Likewise.
12298         (Symbol::init_base_constant): Likewise.
12299         (Symbol::init_base_undefined): Likewise.
12300         (Symbol::output_section): Assert that object is not a plugin.
12301         (Symbol_table::add_from_pluginobj): New function.
12302         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
12303         undefined.
12304         (Symbol_table::sized_write_globals): Likewise.
12305         (Symbol_table::add_from_pluginobj): Instantiate template.
12306         * symtab.h (Sized_pluginobj): Declare.
12307         (Symbol::in_real_elf): New function.
12308         (Symbol::set_in_real_elf): New function.
12309         (Symbol::in_real_elf_): New field.
12310         (Symbol_table::add_from_pluginobj): New function.
12311
12312         * testsuite/Makefile.am (AM_CFLAGS): New variable.
12313         (LIBDL): New variable.
12314         (LDADD): Add LIBDL.
12315         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
12316         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
12317         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
12318         (MOSTLYCLEANFILES): Likewise.
12319         * testsuite/Makefile.in: Regenerate.
12320         * testsuite/plugin_test.c: New file.
12321         * testsuite/plugin_test_1.sh: New file.
12322         * testsuite/plugin_test_2.sh: New file.
12323
12324 2008-09-16  Ian Lance Taylor  <iant@google.com>
12325
12326         * target-reloc.h (relocate_section): Check whether a symbol is
12327         defined by the ABI before reporting an undefined symbol error.
12328         * target.h (Target::is_defined_by_abi): Make parameter const.
12329         (Target::do_is_defined_by_abi): Likewise.
12330         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
12331         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
12332         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
12333         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
12334         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
12335         * testsuite/Makefile.in: Rebuild.
12336
12337         * fileread.cc (make_view): Add casts to avoid warning.
12338
12339 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12340
12341         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
12342         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12343
12344 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12345
12346         * options.h (General_options::output_is_executable): New.
12347         (General_options::output_is_pie): New.
12348         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
12349         for shared libraries.
12350         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12351
12352 2008-09-11  Chris Demetriou  <cgd@google.com>
12353
12354         * options.h (origin): New -z option.
12355         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
12356         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
12357         in DT_FLAGS_1.
12358
12359 2008-09-05  Cary Coutant  <ccoutant@google.com>
12360
12361         * fileread.cc (File_read::make_view): Add check for attempt to map
12362         beyond end of file.
12363
12364 2008-09-05  Cary Coutant  <ccoutant@google.com>
12365
12366         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
12367         explicit instantiations.
12368
12369 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
12370
12371         PR gold/6858
12372         * options.cc (General_options::finalize): Allow undefined symbols
12373         in shlibs if linking -shared.
12374
12375         PR gold/6859
12376         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
12377         symbols as not needing a dynsym entry.
12378
12379 2008-08-20  Craig Silverstein  <csilvers@google.com>
12380
12381         * fileread.cc (File_read::open): Do not lock the file unless it
12382         was successfully opened.
12383
12384 2008-08-14  Cary Coutant  <ccoutant@google.com>
12385
12386         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
12387         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
12388         * testsuite/tls_test.cc (struct int128): 128-bit struct
12389         for testing TLS relocs with non-zero addend.
12390         (v12): New TLS variable.
12391         (t12): New test.
12392         (t_last): Add check for v12.
12393         * testsuite/tls_test.h (t12): New function.
12394         * testsuite/tls_test_main.cc (thread_routine): Call new test.
12395
12396 2008-08-13  Ian Lance Taylor  <iant@google.com>
12397
12398         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
12399         set tls_segment_ or relro_segment_.
12400         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
12401         when appropriate.
12402         * output.h (Output_section::clear_is_relro): New function.
12403         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
12404         sections specially even when output_data_ is empty.
12405         (Output_segment::maximum_alignment): When first section is relro,
12406         only force alignment for PT_LOAD segments.
12407         * script.cc (script_data_segment_align): New function.
12408         (script_data_segment_relro_end): New function.
12409         * script-c.h (script_data_segment_align): Declare.
12410         (script_data_segment_relro_end): Declare.
12411         * script-sections.h (class Script_sections): Declare
12412         data_segment_align and data_segment_relro_end.  Add fields
12413         segment_align_index_ and saw_relro_end_.
12414         * script-sections.cc (class Sections_element): Add set_is_relro
12415         virtual function.  Add new bool* parameter to place_orphan_here.
12416         Add get_output_section virtual function.
12417         (class Output_section_definition): Add set_is_relro.  Add new
12418         bool* parameter to place_orphan_here.  Add get_output_section.
12419         Add is_relro_ field.
12420         (Output_section_definition::Output_section_definition): Initialize
12421         evaluated_address_, evaluated_load_address, evaluated_addralign_,
12422         and is_relro_ fields.
12423         (Output_section_definition::place_orphan_here): Add is_relro
12424         parameter.
12425         (Output_section_definition::set_section_addresses): Set relro for
12426         output section.
12427         (Output_section_definition::alternate_constraint): Likewise.
12428         (class Orphan_output_section): Add new bool* parameter to
12429         place_orphan_here.  Add get_output_section.
12430         (Orphan_output_section::place_orphan_here): Add is_relro
12431         parameter.
12432         (Script_sections::Script_sections): Initialize
12433         data_segment_align_index_ and saw_relro_end_.
12434         (Script_sections::data_segment_align): New function.
12435         (Script_sections::data_segment_relro_end): New function.
12436         (Script_sections::place_orphan): Set or clear is_relro.
12437         (Script_sections::set_section_addresses): Force alignment of first
12438         TLS section.
12439         * yyscript.y (exp): Call script_data_segment_align and
12440         script_data_segment_relro_end.
12441         * testsuite/relro_script_test.t: New file.
12442         * testsuite/relro_test.cc (using_script): Declare.
12443         (t1, t2): Test using_script.
12444         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
12445         (relro_script_test_SOURCES): Define.
12446         (relro_script_test_DEPENDENCIES): Define.
12447         (relro_script_test_LDFLAGS): Define.
12448         (relro_script_test_LDADD): Define.
12449         (relro_script_test.so): New target.
12450         * testsuite/Makefile.in: Rebuild.
12451
12452 2008-08-06  Cary Coutant <ccoutant@google.com>
12453
12454         * archive.cc (Archive::total_archives, Archive::total_members)
12455         (Archive::total_members_loaded): New variables.
12456         (Archive::setup): Add parameter.  Add option to preread
12457         archive symbols.
12458         (Archive::read_armap): Add counter.
12459         (Archive::get_file_and_offset): New function.
12460         (Archive::get_elf_object_for_member): New function.
12461         (Archive::read_all_symbols): New function.
12462         (Archive::read_symbols): New function.
12463         (Archive::add_symbols): Add counters.
12464         (Archive::include_all_members): Use armap to find members if it's
12465         already built.
12466         (Archive::include_member): Skip reading symbols if already read.
12467         Factored code into Archive::get_file_and_offset and
12468         Archive::get_elf_object_for_member.  Changed call to
12469         Mapfile::report_include_archive_member.
12470         (Archive::print_stats): New function.
12471         * archive.h: Declare Object and Read_symbols_data classes.
12472         (Archive::Archive): Add initializers for new members.
12473         (Archive::setup): Add parameter.
12474         (Archive::print_stats): New function.
12475         (Archive::total_archives, Archive::total_members)
12476         (Archive::total_members_loaded): New variables.
12477         (Archive::get_file_and_offset): New function.
12478         (Archive::get_elf_object_for_member): New function.
12479         (Archive::read_all_symbols): New function.
12480         (Archive::read_symbols): New function.
12481         (Archive::Archive_member): New class.
12482         (Archive::members_): New member.
12483         (Archive::num_members_): New member.
12484         * main.cc: Include archive.h.
12485         (main): Call Archive::print_stats.
12486         * mapfile.cc (Mapfile::report_include_archive_member): Delete
12487         archive parameter; member_name is now the fully-decorated name.
12488         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
12489         * options.h: (General_options): Add --preread-archive-symbols option.
12490         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
12491         Archive::setup.
12492
12493 2008-08-04  Ian Lance Taylor  <iant@google.com>
12494
12495         * symtab.h (Symbol::use_plt_offset): New function.
12496         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
12497         * powerpc.cc (Relocate::relocate): Likewise.
12498         * sparc.cc (Relocate::relocate): Likewise.
12499         * x86_64.cc (Relocate::relocate): Likewise.
12500         * testsuite/weak_plt.sh: New test.
12501         * testsuite/weak_plt_main.cc: New test.
12502         * testsuite/weak_plt_shared.cc: New test.
12503         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
12504         (check_PROGRAMS): Add weak_plt.
12505         (check_DATA): Add weak_plt_shared.so.
12506         (weak_plt_main_pic.o, weak_plt): New targets.
12507         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
12508         * testsuite/Makefile.in: Rebuild.
12509
12510         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
12511         gcctestdir/ld.
12512         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
12513         * testsuite/Makefile.in: Rebuild.
12514
12515 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
12516
12517         * Makefile.am (POTFILES.in): Set LC_ALL=C.
12518         * Makefile.in: Regenerate.
12519         * po/POTFILES.in: Regenerate.
12520
12521 2008-07-29  Ian Lance Taylor  <iant@google.com>
12522
12523         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
12524         symbols before other symbols.
12525         * testsuite/script_test_2.cc (test_addr): Declare.
12526         (test_addr_alias): Declare.
12527         (main): Check that test_addr and test_addr_alias have the right
12528         values.
12529         * testsuite/script_test_2.t: Define test_addr_alias and
12530         test_addr.
12531
12532 2008-07-24  Ian Lance Taylor  <iant@google.com>
12533
12534         PR 5990
12535         * descriptors.cc: New file.
12536         * descriptors.h: New file.
12537         * gold-threads.h (class Hold_optional_lock): New class.
12538         * fileread.cc: Include "descriptors.h".
12539         (File_read::~File_read): Release descriptor rather than closing
12540         it.
12541         (File_read::open) [file]: Call open_descriptor rather than open.
12542         Set is_descriptor_opened_.
12543         (File_read::open) [memory]: Assert that descriptor is not open.
12544         (File_read::reopen_descriptor): New function.
12545         (File_read::release): Release descriptor.
12546         (File_read::do_read): Make non-const.  Reopen descriptor.
12547         (File_read::read): Make non-const.
12548         (File_read::make_view): Reopen descriptor.
12549         (File_read::do_readv): Likewise.
12550         * fileread.h (class File_read): Add is_descriptor_opened_ field.
12551         Update declarations.
12552         * layout.cc: Include "descriptors.h".
12553         (Layout::create_build_id): Use open_descriptor rather than open.
12554         * output.cc: Include "descriptors.h".
12555         (Output_file::open): Use open_descriptor rather than open.
12556         * archive.cc (Archive::const_iterator): Change Archive to be
12557         non-const.
12558         (Archive::begin, Archive::end): Make non-const.
12559         (Archive::count_members): Likewise.
12560         * archive.h (class Archive): Update declarations.
12561         * object.h (Object::read): Make non-const.
12562         * Makefile.am (CCFILES): Add descriptors.cc.
12563         (HFILES): Add descriptors.h.
12564         * Makefile.in: Rebuild.
12565
12566         PR 6716
12567         * gold.h: Always include <clocale>.  Add Solaris workarounds
12568         following code in binutils/sysdep.h.
12569
12570         PR 6048
12571         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
12572         this->eh_frame_hdr_ is NULL before using it.
12573
12574         * dynobj.cc (Versions::Versions): Update comment.
12575
12576         * dynobj.cc (Versions::Versions): If there is an soname, use it as
12577         the base version name.
12578
12579         * stringpool.cc (Stringpool_template::add_with_length): Set key to
12580         array size plus one.
12581         (Stringpool_template::set_string_offsets): Subtract one from key
12582         before using it as an array index.
12583         (Stringpool_template::get_offset_with_length): Likewise.
12584         (Stringpool_template::write_to_buffer): Likewise.
12585         * stringpool.h (Stringpool_template::get_offset_from_key):
12586         Likewise.
12587
12588 2008-07-23  Ian Lance Taylor  <iant@google.com>
12589
12590         PR 6658
12591         * object.h (Merged_symbol_value::value): Do our best to handle a
12592         negative addend.
12593
12594         PR 6647
12595         * script.cc (Version_script_info::get_versions): Don't add empty
12596         version tag to return value.
12597         (Version_script_info::get_symbol_version_helper): Change return
12598         type to bool.  Add pversion parameter.  Change all callers.
12599         (script_register_vers_node): Don't require a non-NULL tag.
12600         * script.h (class Version_script_info): Update declarations.
12601         (Version_script_info::get_symbol_version): Change return type to
12602         bool.  Add version parameter.  Change all callers.
12603         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
12604         handling.  Handle an empty version from a version script.
12605         (Symbol_table::define_special_symbol): Likewise.
12606         * testsuite/ver_test_10.script: New file.
12607         * testsuite/ver_test_10.sh: New file.
12608         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
12609         (check_DATA): Add ver_test_10.syms.
12610         (ver_test_10.syms, ver_test_10.so): New target.
12611         * testsuite/Makefile.in: Rebuild.
12612
12613 2008-07-23  Simon Baldwin  <simonb@google.com>
12614
12615         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
12616         to zero for undefined symbols from dynamic libraries.
12617
12618 2008-07-23  Ian Lance Taylor  <iant@google.com>
12619
12620         * symtab.cc (Symbol_table::resolve): Remove version parameter.
12621         Change all callers.
12622         * symtab.h (class Symbol_table): Update declaration.
12623         * testsuite/ver_test_9.cc: New file.
12624         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
12625         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
12626         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
12627         (ver_test_9.so, ver_test_9.o): New targets.
12628         * testsuite/Makefile.in: Rebuild.
12629
12630 2008-07-22  Ian Lance Taylor  <iant@google.com>
12631
12632         * options.h (class General_options): Define --check-sections.
12633         * layout.cc (Layout::set_segment_offsets): Handle
12634         --check-sections.
12635
12636         * options.h (class General_options): Define -n/--nmagic and
12637         -N/--omagic.
12638         * options.cc (General_options::finalize): For -n/--nmagic or
12639         -N/--omagic, set -static.
12640         * layout.cc (Layout::attach_allocated_section_to_segment): If
12641         -N/--omagic, don't put read-only and read-write sections in
12642         different segments.
12643         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
12644         finding a read-only segment.
12645         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
12646         don't set the minimum segment alignment to the common page size,
12647         and don't set the file offset to the address modulo the page size.
12648         * script-sections.cc (Script_sections::create_segments): If
12649         -n/--omagic, don't put read-only and read-write sections in
12650         different segments.
12651
12652         * cref.cc: New file.
12653         * cref.h: New file.
12654         * options.h (class General_options): Add --print-symbol-counts.
12655         * main.cc (main): Issue defined symbol report if requested.
12656         * archive.cc (Archive::interpret_header): Make into a const member
12657         function.
12658         (Archive::add_symbols): Call Input_objects::archive_start and
12659         archive_stop.
12660         (Archive::const_iterator): Define new class.
12661         (Archive::begin, Archive::end): New functions.
12662         (Archive::include_all_members): Rewrite to use iterator.
12663         (Archive::count_members): New function.
12664         * archive.h (class Archive): Update declarations.
12665         (Archive::filename): New function.
12666         * object.cc: Include "cref.h".
12667         (Sized_relobj::Sized_relobj): Initialize defined_count_.
12668         (Sized_relobj::do_get_global_symbol_counts): New function.
12669         (Input_objects::add_object): Add object to cross-referencer.
12670         (Input_objects::archive_start): New function.
12671         (Input_objects::archive_stop): New function.
12672         (Input_objects::print_symbol_counts): New function.
12673         * object.h: Declare Cref and Archive.
12674         (Object::get_global_symbol_counts): New function.
12675         (Object::do_get_global_symbol_counts): New pure virtual function.
12676         (class Sized_relobj): Add defined_count_ field.  Update
12677         declarations.
12678         (class Input_objects): Add cref_ field.  Update constructor.
12679         Update declarations.
12680         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
12681         defined_count_.
12682         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
12683         symbol counts.
12684         (Sized_dynobj::do_get_global_symbol_counts): New function.
12685         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
12686         defined_count_.  Update declarations.  Define Symbols typedef.
12687         * symtab.cc (Symbol_table::add_from_relobj): Add defined
12688         parameter.  Change all callers.
12689         (Symbol_table::add_from_dynobj): Add sympointers and defined
12690         parameters.  Change all callers.
12691         * symtab.h (class Symbol_table): Update declarations.
12692         * Makefile.am (CCFILES): Add cref.cc.
12693         (HFILES): Add cref.h.
12694         * Makefile.in: Rebuild.
12695
12696 2008-07-22  Simon Baldwin  <simonb@google.com>
12697
12698         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
12699         to zero when writing undefined symbols.
12700
12701 2008-07-22  Ian Lance Taylor  <iant@google.com>
12702
12703         * output.cc (Output_section::add_input_section): Don't try to
12704         merge empty merge sections.
12705
12706 2008-07-21  Craig Silverstein  <csilvers@google.com>
12707
12708         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
12709         Include symbol version in error message.
12710
12711 2008-07-20  Chris Demetriou  <cgd@google.com>
12712
12713         * configure.ac (gold_cv_c_random_seed): New configured variable.
12714         (RANDOM_SEED_CFLAGS): New substituted variable.
12715         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
12716         * configure: Rebuild.
12717         * Makefile.in: Likewise.
12718         * testsuite/Makefile.in: Likewise.
12719
12720 2008-07-18  Ian Lance Taylor  <iant@google.com>
12721
12722         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
12723         where we see NAME/NULL and NAME/VERSION  as separate symbols.
12724         * testsuite/ver_test_main.cc (main): Call t4.
12725         (t4, t4_2a): Define.
12726         * testsuite/ver_test_2.cc (t4_2): Define.
12727         * testsuite/ver_test_2.script: Put t4_2a in VER2.
12728         * testsuite/ver_test_4.cc (t4_2a): Define.
12729         * testsuite/ver_test_4.script: Put t4_2a in VER2.
12730         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
12731
12732 2008-07-17  Ian Lance Taylor  <iant@google.com>
12733
12734         * dynobj.cc (Versions::add_def): If we give an error about a
12735         missing version, go ahead and create the version anyhow.
12736
12737 2008-07-10  Ian Lance Taylor  <iant@google.com>
12738
12739         Handle output sections with more than 0x7fffffff bytes.
12740         * object.h (class Relobj): Change map_to_output_ to
12741         output_sections_, and just keep a section pointer.  Change all
12742         uses.  Move comdat group support to Sized_relobj.
12743         (Relobj::is_section_specially_mapped): Remove.
12744         (Relobj::output_section): Remove poff parameter.  Change all
12745         callers.
12746         (Relobj::output_section_offset): New function.
12747         (Relobj::set_section_offset): Rewrite.
12748         (Relobj::map_to_output): Remove.
12749         (Relobj::output_sections): New function.
12750         (Relobj::do_output_section_offset): New pure virtual function.
12751         (Relobj::do_set_section_offset): Likewise.
12752         (class Sized_relobj): Add section_offsets_ field.  Add comdat
12753         group support from Relobj.  Update declarations.
12754         (Sized_relobj::get_output_section_offset): New function.
12755         (Sized_relobj::do_output_section_offset): New function.
12756         (Sized_relobj::do_set_section_offset): New function.
12757         * object.cc (Relobj::output_section_address): Remove.
12758         (Sized_relobj::Sized_relobj): Initialize new fields.
12759         (Sized_relobj::include_section_group): Cast find_kept_object to
12760         Sized_relobj.
12761         (Sized_relobj::include_linkonce_section): Likewise.
12762         (Sized_relobj::do_layout): Use separate arrays for output section
12763         and output offset.
12764         (Sized_relobj::do_count_local_symbols): Change map_to_output to
12765         output_sections.
12766         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
12767         output_sections and section_offsets.
12768         (Sized_relobj::write_local_symbols): Likewise.
12769         (map_to_kept_section): Compute output address directly.
12770         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
12771         output_sections and section_offsets.
12772         (Sized_relobj::write_sections): Likewise.
12773         (Sized_relobj::relocate_sections): Likewise.
12774         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
12775         * output.h (class Output_reloc): Update declarations.  Change
12776         u2_.relobj to Sized_relobj*.
12777         (class Output_data_reloc): Change add functions to use
12778         Sized_relobj*.
12779         * output.cc (Output_reloc::Output_reloc): Change relobj to
12780         Sized_relobj*.
12781         (Output_reloc::local_section_offset): Change return type to
12782         Elf_Addr.  Use get_output_section_offset.
12783         (Output_reloc::get_address): Likewise.
12784         (Output_section::is_input_address_mapped): Don't call
12785         is_section_specially_mapped.
12786         (Output_section::output_offset): Likewise.
12787         (Output_section::output_address): Likewise.
12788         (Output_section::starting_output_address): Likewise.
12789         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
12790         parameter to Sized_relobj*.
12791         (Copy_relocs::need_copy_reloc): Likewise.
12792         (Copy_relocs::save): Likewise.
12793         * copy-relocs.h (class Copy_relocs): Update declarations.
12794         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
12795         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
12796         * target-reloc.h (relocate_for_relocatable): Change
12797         offset_in_output_section type to Elf_Addr.  Change code that uses
12798         it as well.
12799         * layout.cc (Layout::layout): Always set *off.
12800         * mapfile.cc (Mapfile::print_input_section): Use
12801         output_section_offset.
12802         * i386.cc (Target_i386::copy_reloc): Change object parameter to
12803         Sized_relobj*.
12804         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
12805         * sparc.cc (Target_sparc::copy_reloc): Likewise.
12806         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
12807
12808 2008-07-03  Ian Lance Taylor  <iant@google.com>
12809
12810         * layout.cc (Layout::include_section): Do not discard unrecognized
12811         SHT_STRTAB sections.
12812
12813 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
12814
12815         * script.cc (Lex::can_continue_name): Make '?' allowable in
12816         version-script names.
12817         * testsuite/version_script.map: Change glob pattern to use '?'
12818
12819 2008-06-30  Manish Singh  <yosh@gimp.org>
12820
12821         PR 6585
12822         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
12823         Correct typo.
12824
12825 2008-06-30  Ian Lance Taylor  <iant@google.com>
12826
12827         PR 6660
12828         PR 6682
12829         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
12830         versions]: Don't try to read the value in the contents, since we
12831         don't use it.  Use the template endianness when writing.
12832
12833 2008-06-25  Cary Coutant  <ccoutant@google.com>
12834
12835         * fileread.cc (File_read::make_view): Assert on zero-length view.
12836         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
12837         symbol table when there are no symbols to read.
12838
12839 2008-06-23  Craig Silverstein  <csilvers@google.com>
12840
12841         * version.cc (version_string): Bump to 1.7
12842
12843 2008-06-18  Craig Silverstein  <csilvers@google.com>
12844
12845         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
12846         constant 0xFFFF to type Valtype.
12847         (Powerpc_relocate_functions::rel16_ha): Likewise.
12848
12849 2008-06-17  Ian Lance Taylor  <iant@google.com>
12850
12851         * output.h (Output_section::Input_section): Initialize p2align_ to
12852         zero for Output_section_data constructors.
12853         (Output_section::Input_section::addralign): If not an input
12854         section, return the alignment of the Output_section_data.
12855         * testsuite/copy_test.cc: New file.
12856         * testsuite/copy_test_1.cc: New file.
12857         * testsuite/copy_test_2.cc: New file.
12858         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
12859         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
12860         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
12861         (copy_test_1_pic.o, copy_test_1.so): New targets.
12862         (copy_test_2_pic.o, copy_test_2.so): New targets.
12863         * testsuite/Makefile.in: Rebuild.
12864
12865         * script-sections.cc (Script_sections::place_orphan): Initialize
12866         local variable exact.
12867
12868 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
12869
12870         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
12871
12872 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
12873             David S. Miller  <davem@davemloft.net>
12874
12875         * powerpc.cc: New file.
12876         * Makefile.am (TARGETSOURCES): Add powerpc.cc
12877         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
12878         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
12879         * Makefile.in: Rebuild.
12880
12881 2008-06-09  Ian Lance Taylor  <iant@google.com>
12882
12883         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
12884         <exception>.
12885         (throwing, orig_terminate): New static variables.
12886         (terminate_handler): New static function.
12887         (t2): Set terminate handler.
12888
12889 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
12890
12891         PR 6584
12892         * binary.cc (Binary_to_elf::sized_convert): Fix .data
12893         alignment.
12894
12895 2008-05-30  Cary Coutant  <ccoutant@google.com>
12896
12897         * archive.cc (Archive::include_all_members) Correct to step
12898         over symbol table and extended name table in thin archives.
12899
12900 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
12901
12902         PR 6407
12903         * target-reloc.h (relocate_for_relocatable): Fix new_offset
12904         calculation.
12905
12906 2008-05-28  Caleb Howe  <cshowe@google.com>
12907
12908         * reduced_debug_output.cc: New file.
12909         * reduced_debug_output.h: New file.
12910         * options.h (class General_options): Add --strip-debug-non-line.
12911         * options.cc (General_options::finalize): Add strip_debug_non_line
12912         to the strip heirarchy.
12913         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
12914         fields.
12915         * layout.cc: Include "reduced_debug_output.h".
12916         (Layout::Layout): Initialize new fields.
12917         (line_only_debug_sections): New static array.
12918         (is_lines_only_debug_sections): New static inline function.
12919         (Layout::include_section): Handle --strip-debug-non-line.
12920         (Layout::make_output_section): If --strip-debug-non-line, build
12921         new output sections for .debug_abbrev and .debug_info.
12922         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
12923         gold.  Warn about possible overflow.
12924         (read_signed_LEB_128): Likewise.
12925         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
12926         (read_signed_LEB_128): Declare.
12927         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
12928         (HFILES): Add reduced_debug_output.h.
12929         * Makefile.in: Rebuild.
12930
12931 2008-05-21  Ian Lance Taylor  <iant@google.com>
12932
12933         * mapfile.cc: New file.
12934         * mapfile.h: New file.
12935         * options.h (class General_options): Add -M/--print-map and -Map.
12936         * options.cc (General_options::finalize): Make -M equivalent to
12937         -Map -.
12938         * main.cc: Include <cstdio> and "mapfile.h".
12939         (main): Open mapfile if requested.
12940         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
12941         constructor.  Change caller.
12942         (queue_initial_tasks): Add mapfile parameter.  Change caller.
12943         (queue_middle_tasks): Likewise.
12944         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
12945         declarations.
12946         * archive.cc: Include "mapfile.h".
12947         (Archive::add_symbols): Add mapfile parameter.  Change all
12948         callers.  Pass mapfile, symbol, and reason to include_member.
12949         (Archive::include_all_members): Add mapfile parameter.  Change all
12950         callers.
12951         (Archive::include_member): Add mapfile, sym, and why parameters.
12952         Change all callers.  Report inclusion to map file.
12953         * archive.h: Include "fileread.h".
12954         (class Archive): Update declarations.
12955         (Archive::file): New const method.
12956         (class Add_archive_symbols): Add mapfile_ field.  Update
12957         constructor.  Change all callers.
12958         * readsyms.h (class Read_symbols): Likewise.
12959         (class Finish_group): Likewise.
12960         (class Read_script): Likewise.
12961         * common.cc: Include "mapfile.h".
12962         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
12963         all callers.
12964         (Symbol_table::do_allocate_commons): Likewise.
12965         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
12966         symbol allocation to mapfile.
12967         * common.h (class Allocate_commons_task): Add mapfile_ field.
12968         Update constructor.  Change all callers.
12969         * symtab.h (class Symbol_table): Update declarations.
12970         * layout.cc: Include "mapfile.h".
12971         (Layout_task_runner::run): Print information to mapfile.
12972         (Layout::create_gold_note): Change Output_data_fixed_space to
12973         Output_data_zero_fill.
12974         (Layout::create_build_id): Likewise.
12975         (Layout::print_to_mapfile): New function.
12976         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
12977         constructor.  Change caller.
12978         (class Layout): Declare print_to_mapfile.
12979         * output.cc (Output_section::Input_section::print_to_mapfile): New
12980         function.
12981         (Output_section::add_input_section): If producing a map, always
12982         add to input_sections_ list.
12983         (Output_section::do_print_to_mapfile): New function.
12984         (Output_segment::print_sections_to_mapfile): New function.
12985         (Output_segment::print_section_list_to_mapfile): New function.
12986         * output.h: Include "mapfile.h".
12987         (Output_data::print_to_mapfile): New function.
12988         (Output_data::do_print_to_mapfile): New virtual function.
12989         (Output_segment_headers::do_print_to_mapfile): New function.
12990         (Output_file_header::do_print_to_mapfile): New function.
12991         (Output_data_const::do_print_to_mapfile): New function.
12992         (class Output_data_const_buffer): Add map_name_ field.  Update
12993         constructor.  Change all callers.  Add do_print_to_mapfile
12994         function.
12995         (class Output_data_fixed_space): Likewise.
12996         (class Output_data_space): Likewise.
12997         (class Output_data_zero_fill): New class.
12998         (Output_data_strtab::do_print_to_mapfile): New function.
12999         (Output_data_reloc_base::do_print_to_mapfile): New function.
13000         (Output_relocatable_relocs::do_print_to_mapfile): New function.
13001         (Output_data_group::do_print_to_mapfile): New function.
13002         (Output_data_got::do_print_to_mapfile): New function.
13003         (Output_data_dynamic::do_print_to_mapfile): New function.
13004         (Output_symtab_xindex::do_print_to_mapfile): New function.
13005         (class Output_section): Declare do_print_to_mapflie.  Declare
13006         print_to_mapfile in Input_section.
13007         (class Output_segment): Declare new functions.
13008         * object.h (Sized_relobj::symbol_count): New function.
13009         * script-sections.cc
13010         (Output_section_element_dot_assignment::set_section_addresses):
13011         Change Output_data_fixed_space to Output_data_zero_fill.
13012         (Output_data_expression::do_print_to_mapfile): New function.
13013         * script.cc (read_input_script): Add mapfile parameter.  Change
13014         all callers.
13015         * script.h (read_input_script): Update declaration.
13016         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
13017         (Eh_frame::do_print_to_mapfile): New function.
13018         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
13019         (Output_merge_string::do_print_to_mapfile): New function.
13020         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
13021         function.
13022         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
13023         function.
13024         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
13025         function.
13026         * Makefile.am (CCFILES): Add mapfile.cc.
13027         (HFILES): Add mapfile.h.
13028         * Makefile.in: Rebuild.
13029
13030 2008-05-19  Ian Lance Taylor  <iant@google.com>
13031
13032         * options.h (class General_options): Add -z relro.
13033         * layout.cc (Layout::Layout): Initialize relro_segment_.
13034         (Layout::add_output_section_data): Return the output section.
13035         (Layout::make_output_section): Rcognize relro sections and mark
13036         them appropriately.
13037         (Layout::attach_allocated_section_to_segment): Put relro sections
13038         in a PT_GNU_RELRO segment.
13039         (Layout::create_initial_dynamic_sections): Mark the .dynamic
13040         section as relro.
13041         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
13042         PT_TLS segments.
13043         (Layout::linkonce_mapping): Map d.rel.ro.local to
13044         .data.rel.ro.local.
13045         (Layout::output_section_name): Us .data.rel.ro.local for any
13046         section which begins with that.
13047         * layout.h (class Layout): Update add_output_section_data
13048         declaration.  Add relro_segment_ field.
13049         * output.cc (Output_section::Output_section): Initialize is_relro_
13050         and is_relro_local_ fields.
13051         (Output_segment::add_output_section): Group relro sections.
13052         (Output_segment::is_first_section_relro): New function.
13053         (Output_segment::maximum_alignment): If there is a relro section,
13054         align the segment to the common page size.
13055         (Output_segment::set_section_addresses): Track whether we are
13056         looking at relro sections.  If the last section is a relro
13057         section, align to the common page size.
13058         (Output_segment::set_section_list_addresses): Add in_relro
13059         parameter.  Change all callers.  Align to the page size when
13060         moving from relro to non-relro section.
13061         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
13062         segment.
13063         * output.h (class Output_section): Add is_relro_ and
13064         is_relro_local_ fields.
13065         (Output_section::is_relro): New function.
13066         (Output_section::set_is_relro): New function.
13067         (Output_section::is_relro_local): New function.
13068         (Output_section::set_is_relro_local): New function.
13069         (class Output_segment): Update declarations.
13070         * i386.cc (Target_i386::got_section): Mark .got section as relro.
13071         * sparc.cc (Target_sparc::got_section): Likewise.
13072         * x86_64.cc (Target_x86_64::got_section): Likewise.
13073         * testsuite/relro_test_main.cc: New file.
13074         * testsuite/relro_test.cc: New file.
13075         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
13076         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
13077         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
13078         (relro_test.so, relro_test_pic.o): New targets.
13079         * testsuite/Makefile.in: Rebuild.
13080
13081 2008-05-16  Ian Lance Taylor  <iant@google.com>
13082
13083         * output.cc (Output_segment::add_output_section): Remove front
13084         parameter.
13085         * output.h (class Output_segment): Remove
13086         add_initial_output_section and overloaded add_output_section.
13087         Update declaration of remaining add_output_section.
13088         * layout.cc (Layout::create_interp): Call add_output_section
13089         rather than add_initial_output_section.
13090         (Layout::finish_dynamic_section): Likewise.
13091
13092         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
13093         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
13094         know the dynamic type.
13095         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
13096         field.  Initialize it in constructor.
13097         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
13098         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
13099         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
13100         reloc.
13101
13102         * output.cc (Output_reloc::get_address): Change return type to
13103         Elf_Addr.
13104         * output.h (class Output_reloc): Update get_address declaration.
13105         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
13106         for section addresses.
13107
13108 2008-05-09  Ian Lance Taylor  <iant@google.com>
13109
13110         PR 6493
13111         * gold.cc (gold_nomem): Use return value of write.
13112
13113 2008-05-08  Ian Lance Taylor  <iant@google.com>
13114
13115         * symtab.c (Symbol::init_base_output_data): Add version
13116         parameter.  Change all callers.
13117         (Symbol::init_base_output_segment): Likewise.
13118         (Symbol::init_base_constant): Likewise.
13119         (Symbol::init_base_undefined): Likewise.
13120         (Sized_symbol::init_output_data): Likewise.
13121         (Sized_symbol::init_output_segment): Likewise.
13122         (Sized_symbol::init_constant): Likewise.
13123         (Sized_symbol::init_undefined): Likewise.
13124         (Symbol_table::do_define_in_output_data): If the new symbol has a
13125         version, mark it as the default.
13126         (Symbol_table::do_define_in_output_segment): Likewise.
13127         (Symbol_table::do_define_as_constant): Likewise.
13128         * symtab.h (class Symbol): Update declarations.
13129         (class Sized_symbol): Likewise.
13130         * resolve.cc (Symbol::override_version): New function.
13131         (Symbol::override_base): Call override_version.
13132         (Symbol::override_base_with_special): Likewise.
13133         * testsuite/ver_script_8.script: New file.
13134         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
13135         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
13136         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
13137         (ver_test_8_1.so, ver_test_8_2.so): New targets.
13138
13139 2008-05-06  Ian Lance Taylor  <iant@google.com>
13140
13141         PR 6049
13142         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
13143         functions.
13144         (class General_options): Remove existing --undefined, and add
13145         --no-undefined instead.  Add new --undefined as synonym for -u.
13146         * archive.cc (Archive::add_symbols): Check whether symbol was
13147         named with -u.
13148         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
13149         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
13150         all uses.  Add IS_UNDEFINED.  Update declarations to split
13151         different versions of init_base.  Declare init_base_undefined.
13152         (Symbol::is_defined): Handle IS_UNDEFINED.
13153         (Symbol::is_undefined): Likewise.
13154         (Symbol::is_weak_undefined): Call is_undefined.
13155         (Symbol::is_absolute): Handle IS_CONSTANT.
13156         (class Sized_symbol): Update declarations to split different
13157         versions of init.  Declare init_undefined.
13158         (class Symbol_table): Declare new functions.
13159         * symtab.cc (Symbol::init_base_object): Rename from init_base.
13160         Change all callers.
13161         (Symbol::init_base_output_data): Likewise.
13162         (Symbol::init_base_output_segment): Likewise.
13163         (Symbol::init_base_constant): Likewise.
13164         (Symbol::init_base_undefined): New function.
13165         (Sized_symbol::init_object): Rename from init.  Change all
13166         callers.
13167         (Sized_symbol::init_output_data): Likewise.
13168         (Sized_symbol::init_output_segment): Likewise.
13169         (Sized_symbol::init_constant): Likewise.
13170         (Sized_symbol::init_undefined): New function.
13171         (Symbol_table::add_undefined_symbols_from_command_line): New
13172         function.
13173         (Symbol_table::do_add_undefined_symbols_from_command_line): New
13174         function.
13175         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
13176         (Symbol::output_section): Likewise.
13177         (Symbol::set_output_section): Likewise.
13178         (Symbol_table::sized_finalize_symbol): Likewise.
13179         (Symbol_table::sized_write_globals): Likewise.
13180         * resolve.cc (Symbol_table::should_override): Likewise.
13181         (Symbol::override_base_with_special): Likewise.
13182
13183         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
13184         symbol, change it to have default visibility.
13185         * testsuite/protected_1.cc: New file.
13186         * testsuite/protected_2.cc: New file.
13187         * testsuite/protected_3.cc: New file.
13188         * testsuite/protected_main_1.cc: New file.
13189         * testsuite/protected_main_2.cc: New file.
13190         * testsuite/protected_main_3.cc: New file.
13191         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
13192         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
13193         (protected_1_LDFLAGS, protected_1_LDADD): Define.
13194         (protected_1.so): New target.
13195         (protected_1_pic.o, protected_2_pic.o): New targets.
13196         (protected_3_pic.o): New target.
13197         (check_PROGRAMS): Add protected_2.
13198         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
13199         (protected_2_LDFLAGS, protected_2_LDADD): Define.
13200         * testsuite/Makefile.in: Rebuild.
13201
13202         * options.h (DEFINE_var): Add set_user_set_##varname__.
13203         (DEFINE_bool_alias): New macro.
13204         (class General_options): Define -Bstatic using DEFINE_bool_alias
13205         rather than DEFINE_special.  Add --undefined as an alias for -z
13206         defs.
13207         * options.cc (General_options::parse_Bstatic): Remove.
13208
13209         * options.h (class General_options): Add --fatal-warnings.
13210         * main.cc (main): Implement --fatal-warnings.
13211         * errors.h (Errors::warning_count): New function.
13212
13213         * options.h (class General_options): Add -Bsymbolic-functions.
13214         * symtab.h (Symbol::is_preemptible): Check for
13215         -Bsymbolic-functions.
13216
13217 2008-05-05  Ian Lance Taylor  <iant@google.com>
13218
13219         * options.h (DEFINE_bool): For DASH_Z, create the negative option
13220         as noVARNAME rather than no-VARNAME.
13221         (class General_options): Add option -z combreloc.
13222         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
13223         get_address.
13224         (Output_reloc::sort_before) [SHT_REL]: New function.
13225         (Output_reloc::sort_before) [SHT_RELA]: New function.
13226         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
13227         Sort_relocs_comparison.
13228         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
13229         parameter.  Change all callers.
13230         (Output_data_reloc::Output_data_reloc) [both versions]: Add
13231         sort_relocs parameter.  Change all callers.
13232         * output.cc (Output_reloc::get_address): New function, broken out
13233         of write_rel.
13234         (Output_reloc::write_rel): Call it.
13235         (Output_reloc::compare): New function.
13236         (Output_data_reloc_base::do_write): Optionally sort relocs.
13237
13238         * configure.ac: If targ_extra_obj is set, link it in.
13239         * configure.tgt: Initialize all variables.
13240         (x86_64*): Set targ_extra_obj and targ_extra_size.
13241         * configure: Rebuild.
13242
13243         * object.cc (Sized_relobj::include_section_group): Adjust section
13244         indexes read from group data.  Build vector to pass to
13245         layout_group.
13246         * layout.cc (Layout::layout_group): Add flags and shndxes
13247         parameters.  Remove contents parameter.  Change caller.  Update
13248         explicit instantiations.
13249         * layout.h (class Layout): Update layout_group declaration.
13250         * output.cc (Output_data_group::Output_data_group): Add flags and
13251         input_shndxes parameters.  Remove contents parameter.  Change
13252         caller.
13253         (Output_data_group::do_write): Change input_sections_ to
13254         input_shndxes_.
13255         * output.h (class Output_data_group): Update constructor
13256         declaration.  Rename input_sections_ to input_shndxes_.
13257         * testsuite/many_sections_test.cc: Add template.
13258
13259 2008-04-30  Cary Coutant  <ccoutant@google.com>
13260
13261         * target-reloc.h (relocate_section): Fix dead-pointer bug.
13262
13263         * layout.cc (Layout::include_section): Refactored check for debug
13264         info section.
13265         (Layout::add_comdat): Add new parameters.  Change type
13266         of signature parameter.  Add object and shndx to signatures table.
13267         (Layout::find_kept_object): New function.
13268         * layout.h: Include <cstring>.
13269         (Layout::is_debug_info_section): New function.
13270         (Layout::add_comdat): Add new parameters.
13271         (Layout::find_kept_object): New function.
13272         (Layout::Kept_section): New struct.
13273         (Layout::Signatures): Change type of map range.
13274         * object.cc (Relobj::output_section_address): New function.
13275         (Sized_relobj::include_section_group): Add new parameters.  Change
13276         calls to Layout::add_comdat.  Change to build table of kept comdat
13277         groups and table mapping discarded sections to kept sections.
13278         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
13279         (Sized_relobj::do_layout): Change calls to include_section_group and
13280         include_linkonce_section.
13281         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
13282         value to zero when section is discarded.
13283         (Sized_relobj::map_to_kept_section): New function.
13284         * object.h (Relobj::output_section_address): New function.
13285         (Relobj::Comdat_group): New type.
13286         (Relobj::find_comdat_group): New function.
13287         (Relobj::Comdat_group_table): New type.
13288         (Relobj::Kept_comdat_section): New type.
13289         (Relobj::Kept_comdat_section_table): New type.
13290         (Relobj::add_comdat_group): New function.
13291         (Relobj::set_kept_comdat_section): New function.
13292         (Relobj::get_kept_comdat_section): New function.
13293         (Relobj::comdat_groups_): New field.
13294         (Relobj::kept_comdat_sections_): New field.
13295         (Symbol_value::input_value): Update comment.
13296         (Sized_relobj::map_to_kept_section) New function.
13297         (Sized_relobj::include_linkonce_section): Add new parameter.
13298         * target-reloc.h (Comdat_behavior): New type.
13299         (get_comdat_behavior): New function.
13300         (relocate_section): Add code to map a discarded section to the
13301         corresponding kept section when applying a relocation.
13302
13303 2008-04-30  Craig Silverstein  <csilvers@google.com>
13304
13305         * dwarf_reader.cc (next_generation_count): New static var.
13306         (Addr2line_cache_entry): New struct.
13307         (addr2line_cache): New static var.
13308         (Dwarf_line_info::one_addr2line): Added caching.
13309         (Dwarf_line_info::clear_addr2line_cache): New function.
13310         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
13311         cache-size parameter.
13312         (Dwarf_line_info::one_addr2line_cache): New function.
13313         * symtab.cc (Symbol_table::detect_odr_violations): Pass
13314         new cache-size argument to one_addr2line(), and clear cache.
13315
13316 2008-04-28  Cary Coutant  <ccoutant@google.com>
13317
13318         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
13319         R_386_PC8 relocations.
13320
13321 2008-04-23  Ian Lance Taylor  <iant@google.com>
13322
13323         * object.cc (Sized_relobj::include_section_group): Check for
13324         invalid section group.
13325
13326         * object.cc (make_elf_object): Correct test for 64-bit ELF file
13327         header size.
13328
13329         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
13330         than read for file header.
13331         * archive.cc (Archive::include_member): Likewise.
13332
13333 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
13334
13335         * aclocal.m4: Regenerate.
13336         * configure: Regenerate.
13337
13338 2008-04-19  Ian Lance Taylor  <iant@google.com>
13339
13340         * version.cc (version_string): Bump to 1.6.
13341
13342         * testsuite/Makefile.am (many_sections_r_test): New target.
13343         (many_sections_r_test_SOURCES): Remove.
13344         (many_sections_r_test_DEPENDENCIES): Remove.
13345         (many_sections_r_test_LDFLAGS): Remove.
13346         (many_sections_r_test_LDADD): Remove.
13347
13348         * object.cc (Sized_relobj::do_add_symbols): Always pass
13349         local_symbol_count_ to add_from_relobj.
13350
13351         * testsuite/Makefile.am (many_sections_check.h): Only check one in
13352         every thousand variables.
13353         * testsuite/Makefile.in: Rebuild.
13354
13355         * object.cc (Xindex::initialize_symtab_xindex): New function.
13356         (Xindex::read_symtab_xindex): New function.
13357         (Xindex::sym_xindex_to_shndx): New function.
13358         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
13359         available.
13360         (Sized_relobj::do_initialize_xindex): New function.
13361         (Sized_relobj::do_read_symbols): Adjust section links.
13362         (Sized_relobj::symbol_section_and_value): Add is_ordinary
13363         parameter.  Change all callers.
13364         (Sized_relobj::include_section_group): Adjust section links and
13365         symbol section indexes.
13366         (Sized_relobj::do_layout): Adjust section links.
13367         (Sized_relobj::do_count_local_symbols): Adjust section links and
13368         symbol section indexes.
13369         (Sized_relobj::do_finalize_local_symbols): Distinguish between
13370         ordinary and special symbols.
13371         (Sized_relobj::write_local_symbols): Add symtab_xindex and
13372         dynsym_xindex parameters.  Change all callers.  Adjust section
13373         links.  Use SHN_XINDEX when needed.
13374         (Sized_relobj::get_symbol_location_info): Adjust section links.
13375         Don't get fooled by special symbols.
13376         * object.h (class Xindex): Define.
13377         (class Object): Add xindex_ parameter.  Declare virtual functoin
13378         do_initialize_xindex.
13379         (Object::adjust_sym_shndx): New function.
13380         (Object::set_xindex): New protected function.
13381         (class Symbol_value): Add is_ordinary_shndx_ field.
13382         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
13383         (Symbol_value::value): Assert ordinary section.
13384         (Symbol_value::initialize_input_to_output_map): Likewise.
13385         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
13386         Change all callers.
13387         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
13388         all callers.
13389         (class Sized_relobj): Update declarations.
13390         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
13391         parameter.  Change all callers.
13392         (Sized_relobj::adjust_shndx): New function.
13393         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
13394         field.
13395         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
13396         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
13397         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
13398         (Sized_dynobj::read_dynsym_section): Adjust section links.
13399         (Sized_dynobj::read_dynamic): Likewise.
13400         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
13401         section links.
13402         (Sized_dynobj::do_initialize_xindex): New function.
13403         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
13404         do_initialize_xindex.
13405         (Sized_dynobj::adjust_shndx): New function.
13406         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
13407         dynsym_xindex_ fields.
13408         (Layout::finalize): Add a call to set_section_indexes before
13409         creating the symtab sections.
13410         (Layout::set_section_indexes): Don't do anything if the section
13411         already has a section index.
13412         (Layout::create_symtab_sections): Add shnum parameter.  Change
13413         caller.  Create .symtab_shndx section if needed.
13414         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
13415         caller.
13416         (Layout::allocated_output_section_count): New function.
13417         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
13418         needed.
13419         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
13420         fields.  Update declarations.
13421         (Layout::symtab_xindex): New function.
13422         (Layout::dynsym_xindex): New function.
13423         (class Write_symbols_task): Add layout_ field.
13424         (Write_symbols_task::Write_symbols_task): Add layout parameter.
13425         Change caller.
13426         * output.cc (Output_section_headers::Output_section_headers): Add
13427         shstrtab_section parameter.  Change all callers.
13428         (Output_section_headers::do_sized_write): Store overflow values
13429         for section count and section string table section index in
13430         section header zero.
13431         (Output_file_header::do_sized_write): Check for overflow of
13432         section count and section string table section index.
13433         (Output_symtab_xindex::do_write): New function.
13434         (Output_symtab_xindex::endian_do_write): New function.
13435         * output.h (class Output_section_headers): Add shstrtab_section_.
13436         Update declarations.
13437         (class Output_symtab_xindex): Define.
13438         (Output_section::has_out_shndx): New function.
13439         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
13440         field.
13441         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
13442         Change all callers.
13443         (Sized_symbol::init): Likewise.
13444         (Symbol::output_section): Check for ordinary symbol.
13445         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
13446         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
13447         callers.
13448         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
13449         Change all callers.  Simplify handling of symbols from sections
13450         not included in the link.
13451         (Symbol_table::add_from_dynobj): Handle ordinary symbol
13452         distinction.
13453         (Weak_alias_sorter::operator()): Assert that symbols are
13454         ordinary.
13455         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
13456         distinction.
13457         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
13458         parameters.  Change all callers.
13459         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
13460         symbol distinction.  Use SHN_XINDEX when needed.
13461         (Symbol_table::write_section_symbol): Add symtab_xindex
13462         parameter.  Change all callers.
13463         (Symbol_table::sized_write_section_symbol): Likewise.  Use
13464         SHN_XINDEX when needed.
13465         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
13466         declarations.
13467         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
13468         (Symbol::is_defined): Check is_ordinary.
13469         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
13470         (Symbol::is_absolute, Symbol::is_common): Likewise.
13471         (class Sized_symbol): Update declarations.
13472         (class Symbol_table): Update declarations.
13473         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
13474         parameters.  Change all callers.
13475         (Sized_symbol::override): Likewise.
13476         (Symbol_table::override): Likewise.
13477         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
13478         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
13479         is_ordinary, and orig_st_shndx parameters.  Change all callers.
13480         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
13481         to be in an ordinary section.
13482         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
13483         object and is_ordinary parameters.  Change all callers.
13484         (Sized_dwarf_line_info::read_relocs): Add object parameter.
13485         Change all callers.  Don't add undefined or non-ordinary symbols
13486         to reloc_map_.
13487         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
13488         Change all callers.
13489         * dwarf_reader.h (class Sized_dwarf_line_info): Update
13490         declarations.
13491         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
13492         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
13493         (Sized_relobj::relocate_sections): Likewise.
13494         * target-reloc.h (scan_relocs): Adjust section symbol index.
13495         (scan_relocatable_relocs): Likewise.
13496         * i386.cc (Scan::local): Check for ordinary symbols.
13497         * sparc.cc (Scan::local): Likewise.
13498         * x86_64.cc (Scan::local): Likewise.
13499         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
13500         to symbol_section_and_value.
13501         * testsuite/many_sections_test.cc: New file.
13502         * testsuite/Makefile.am (BUILT_SOURCES): Define.
13503         (check_PROGRAMS): Add many_sections_test.
13504         (many_sections_test_SOURCES): Define.
13505         (many_sections_test_DEPENDENCIES): Define.
13506         (many_sections_test_LDFLAGS): Define.
13507         (BUILT_SOURCES): Add many_sections_define.h.
13508         (many_sections_define.h): New target.
13509         (BUILT_SOURCES): Add many_sections_check.h.
13510         (many_sections_check.h): New target.
13511         (check_PROGRAMS): Add many_sections_r_test.
13512         (many_sections_r_test_SOURCES): Define.
13513         (many_sections_r_test_DEPENDENCIES): Define.
13514         (many_sections_r_test_LDFLAGS): Define.
13515         (many_sections_r_test_LDADD): Define.
13516         (many_sections_r_test.o): New target.
13517         * testsuite/Makefile.in: Rebuild.
13518
13519 2008-04-17  Cary Coutant  <ccoutant@google.com>
13520
13521         * errors.cc (Errors::info): New function.
13522         (gold_info): New function.
13523         * errors.h (Errors::info): New function.
13524         * gold.h (gold_info): New function.
13525         * object.cc (Input_objects::add_object): Print trace output.
13526         * options.cc (options::parse_set): New function.
13527         (General_options::parse_wrap): Deleted.
13528         (General_options::General_options): Deleted initializer.
13529         * options.h (options::String_set): New typedef.
13530         (options::parse_set): New function.
13531         (DEFINE_set): New macro.
13532         (General_options::wrap): Changed to use DEFINE_set. Changed
13533         callers of any_wrap_symbols and is_wrap_symbol.
13534         (General_options::trace, General_options::trace_symbol):
13535         New options.
13536         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
13537         (General_options::wrap_symbols_): Deleted.
13538         * symtab.cc (Symbol_table::add_from_object): Print trace output.
13539
13540 2008-04-17  David S. Miller  <davem@davemloft.net>
13541
13542         * options.cc (General_options::parse_V): New function.
13543         * options.h: Add entries for -V and -Qy.
13544
13545 2008-04-17  Ian Lance Taylor  <iant@google.com>
13546
13547         * common.cc (Symbol_table::allocate_commons): Remove options
13548         parameter.  Change caller.
13549         (Symbol_table::do_allocate_commons): Remove options parameter.
13550         Change caller.  Just call do_allocate_commons_list twice.
13551         (Symbol_table::do_allocate_commons_list): New function, broken out
13552         of do_allocate_commons.
13553         * common.h (class Allocate_commons_task): Remove options_ field.
13554         Update constructor.
13555         * symtab.cc (Symbol_table::Symbol_table): Initialize
13556         tls_commons_.
13557         (Symbol_table::add_from_object): Put TLS common symbols on
13558         tls_commons_ list.
13559         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
13560         which are IN_OUTPUT_DATA.
13561         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
13562         allocate_commons and do_allocate_commons declarations.  Declare
13563         do_allocate_commons_list.
13564         * gold.cc (queue_middle_tasks): Update creation of
13565         Allocate_commons_task to not pass options.
13566         * testsuite/Makefile.am (INCLUDES): Add -I.. .
13567         (TLS_TEST_C_FLAGS): New variable.
13568         (tls_test_c_pic.o): New target.
13569         (tls_test_shared.so): Link in tls_test_c_pic.o.
13570         (tls_test_c_pic_ie.o): New target.
13571         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
13572         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
13573         (tls_test_c.o): New target.
13574         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
13575         (tls_pic_test_LDADD): Likewise.
13576         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
13577         (tls_shared_gd_to_ie_test_LDADD): Likewise.
13578         (tls_test_c_gnu2.o): New target.
13579         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
13580         tls_test_c_gnu2.o.
13581         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
13582         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
13583         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
13584         * testsuite/tls_test.cc: Include "config.h".
13585         (t_last): Call t11_last.
13586         * testsuite/tls_test.h (t11, t11_last): Declare.
13587         * testsuite/tls_test_c.c: New file.
13588         * testsuite/tls_test_main.cc (thread_routine): Call t11.
13589         * configure.ac: Check for OpenMP support.
13590         * configure, config.in, Makefile.in: Rebuild.
13591         * testsuite/Makefile.in: Rebuild.
13592
13593 2008-04-16  Cary Coutant  <ccoutant@google.com>
13594
13595         * i386.cc (Target_i386::define_tls_base_symbol): New function.
13596         (Target_i386::tls_base_symbol_defined_): New field.
13597         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13598         (Target_i386::Scan::global): Likewise.
13599         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
13600         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
13601         (Target_x86_64::tls_base_symbol_defined_): New field.
13602         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13603         (Target_x86_64::Scan::global): Likewise.
13604
13605 2008-04-16  Cary Coutant  <ccoutant@google.com>
13606
13607         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
13608         (Symbol::needs_plt_entry): Allow weak undefined symbols.
13609         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
13610         building shared libraries.
13611         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
13612         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
13613         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
13614         * testsuite/Makefile.in: Rebuild.
13615         * testsuite/weak_undef.h: New file.
13616         * testsuite/weak_undef_file1.cc: Add extra test cases.
13617         * testsuite/weak_undef_file2.cc: Likewise.
13618         * testsuite/weak_undef_test.cc: Likewise.
13619
13620 2008-04-16  David S. Miller  <davem@davemloft.net>
13621
13622         * sparc.cc (Target_sparc::Scan): Change from struct to class.
13623         Add issued_non_pic_error_ field.  Declare check_non_pic.
13624         (Target_sparc::Scan::check_non_pic): New function.
13625         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
13626         (Target_sparc::Scan::global): Likewise.
13627
13628         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
13629         * configure: Rebuild.
13630
13631         * options.h (DEFINE_enable): New macro.
13632         (new_dtags): New enable option.
13633         (initfirst, interpose, loadfltr, nodefaultlib,
13634         nodelete, nodlopen, nodump): New -z options.
13635         * layout.cc (Layout:finish_dynamic_section): If new
13636         dtags enabled, emit DT_RUNPATH.  Also, emit a
13637         DT_FLAGS_1 containing any specified -z flags.
13638
13639 2008-04-16  Ian Lance Taylor  <iant@google.com>
13640
13641         * copy-relocs.cc: New file.
13642         * copy-relocs.h: New file.
13643         * reloc.cc: Remove Copy_relocs code.
13644         * reloc.h: Likewise.
13645         * reloc-types.h (struct Reloc_types) [both versions]: Add
13646         get_reloc_addend_noerror.
13647         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
13648         variants of add_global which take an addend which must be zero.
13649         * i386.cc: Include "copy-relocs.h".
13650         (class Target_i386): Change type of copy_relocs_ to variable,
13651         update initializer.
13652         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
13653         Change all callers.
13654         (Target_i386::do_finalize_sections): Change handling of
13655         copy_relocs_.
13656         * sparc.cc: Include "copy-relocs.h".
13657         (class Target_sparc): Change type of copy_relocs_ to variable,
13658         update initializer.
13659         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
13660         Change all callers.
13661         (Target_sparc::do_finalize_sections): Change handling of
13662         copy_relocs_.
13663         * x86_64.cc: Include "copy-relocs.h".
13664         (class Target_x86_64): Change type of copy_relocs_ to variable,
13665         update initializer.
13666         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
13667         class.  Change all callers.
13668         (Target_x86_64::do_finalize_sections): Change handling of
13669         copy_relocs_.
13670         * Makefile.am (CCFILES): Add copy-relocs.cc.
13671         (HFILES): Add copy-relocs.h.
13672
13673         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
13674
13675         * testsuite/script_test_4.sh: Permit leading zeroes.
13676
13677 2008-04-15  Ian Lance Taylor  <iant@google.com>
13678
13679         * script-sections.cc (Script_sections::create_segments): Use
13680         header_size_adjustment even when there is enough room for the
13681         headers.
13682         * testsuite/script_test_4.sh: New file.
13683         * testsuite/script_test_4.t: New file.
13684         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
13685         (check_DATA): Add script_test_4.stdout.
13686         (MOSTLYCLEANFILES): Likewise.
13687         (script_test_4): New target.
13688         (script_test_4.stdout): New target.
13689         * testsuite/Makefile.in: Rebuild.
13690
13691         * sparc.cc: Add definitions for Output_data_plt_sparc class
13692         constants.
13693
13694 2008-04-14  David S. Miller  <davem@davemloft.net>
13695
13696         * sparc.cc: New file.
13697         * Makefile.am (TARGETSOURCES): Add sparc.cc
13698         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
13699         * configure.tgt: Document targ_extra_size and
13700         targ_extra_big_endian.  Add entries for sparc-* and
13701         sparc64-*.
13702         * configure.ac: Handle targ_extra_size and
13703         targ_extra_big_endian.
13704         * Makefile.in: Rebuild.
13705         * configure: Likewise.
13706         * po/POTFILES.in: Likewise.
13707         * po/gold.pot: Likewise.
13708
13709 2008-04-14  Ian Lance Taylor  <iant@google.com>
13710
13711         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
13712         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
13713         in the name/type/flags to section mapping.  Don't call
13714         allocate_output_section.
13715         (Layout::choose_output_section): Change parameter from adjust_name
13716         to is_input_section.  Don't permit input sections after sections
13717         are attached to segments.  Don't call allocate_output_section.
13718         (Layout::layout_eh_frame): Call update_flags_for_input_section,
13719         not write_enable_output_section.
13720         (Layout::make_output_section): Don't push to
13721         unattached_section_list_ nor call attach_to_segment.  Call
13722         attach_section_to_segment if sections are attached.
13723         (Layout::attach_sections_to_segments): New function.
13724         (Layout::attach_section_to_segment): New function.
13725         (Layout::attach_allocated_section_to_segment): Rename from
13726         attach_to_segment.  Remove flags parameter.
13727         (Layout::allocate_output_section): Remove function.
13728         (Layout::write_enable_output_section): Remove function.
13729         * layout.h (class Layout): Update for above changes.  Add new
13730         field sections_are_attached_.
13731         * output.h (Output_section::update_flags_for_input_section): New
13732         function.
13733         * output.cc (Output_section::add_input_section): Call
13734         update_flags_for_input_section.
13735         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
13736
13737 2008-04-11  Cary Coutant  <ccoutant@google.com>
13738
13739         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
13740         thought unnecessary.
13741         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
13742
13743 2008-04-11  Ian Lance Taylor  <iant@google.com>
13744
13745         * output.h (class Output_section_data): Remove inline definition
13746         of set_addralign.
13747         * output.cc (Output_section_data::set_addralign): New function.
13748
13749 2008-04-11  Cary Coutant  <ccoutant@google.com>
13750
13751         Add support for TLS descriptors for i386 and x86_64.
13752         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
13753         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
13754         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
13755         GOT_TYPE_TLS_DESC.
13756         (Target_i386::got_mod_index_entry): Remove unnecessary code.
13757         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
13758         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
13759         relocations.
13760         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
13761         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
13762         Fix problem with initial-exec relocations.
13763         (Target_i386::Relocate::relocate_tls): Likewise.
13764         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
13765         relaxation.
13766         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
13767         support for section-plus-offset dynamic table entries.
13768         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
13769         (Output_data_dynamic::Dynamic_entry): Add support for
13770         section-plus-offset dynamic table entries.
13771         (Output_data_dynamic::Classification): Likewise.
13772         (Output_data_dynamic::classification_): Renamed offset_.
13773         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
13774         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
13775         (Target_x86_64::make_plt_section): New function.
13776         (Target_x86_64::reserve_tlsdesc_entries): New function.
13777         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
13778         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
13779         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
13780         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
13781         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
13782         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
13783         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
13784         add extra PLT entry for TLS descriptors.
13785         (Output_data_plt_x86_64::got_): New field.
13786         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
13787         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
13788         fields.
13789         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
13790         descriptors.
13791         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
13792         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
13793         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
13794         R_386_TLS_DESC_CALL relocations.
13795         (Target_x86_64::Scan::global): Likewise.
13796         (Target_x86_64::do_finalize_sections): Add dynamic table entries
13797         for TLS descriptors.
13798         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
13799         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
13800         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
13801         GD-to-IE relaxation.
13802         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
13803         and TLS_DESCRIPTORS.
13804         * Makefile.in: Rebuild.
13805         * configure: Rebuild.
13806         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
13807         (tls_test_shared2.so): New target.
13808         (tls_shared_gd_to_ie_test_SOURCES): New variable.
13809         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
13810         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
13811         (tls_shared_gd_to_ie_test_LDADD): New variable.
13812         (tls_shared_gnu2_gd_to_ie_test): New target.
13813         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
13814         New targets.
13815         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
13816         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
13817         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
13818         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
13819         (tls_shared_gnu2_test): New target.
13820         (tls_test_gnu2_shared.so): New target.
13821         (tls_shared_gnu2_test_SOURCES): New variable.
13822         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
13823         (tls_shared_gnu2_test_LDFLAGS): New variable.
13824         (tls_shared_gnu2_test_LDADD): New variable.
13825         * testsuite/Makefile.in: Rebuild.
13826         * testsuite/Makefile.
13827
13828 2008-04-11  Ian Lance Taylor  <iant@google.com>
13829
13830         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
13831         justsyms.t.
13832         * testsuite/Makefile.in: Rebuild.
13833
13834         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
13835         long.
13836         * testsuite/script_test_2.cc (main): Adjust test.
13837
13838 2008-04-11  David S. Miller  <davem@davemloft.net>
13839             Ian Lance Taylor  <iant@google.com>
13840
13841         * options.h (General_options): Add entries for '-Y' and
13842         '-relax'.
13843         * options.cc (General_options:finalize): If -Y was used, add those
13844         entries to the library path instead of the default "/lib" and
13845         "/usr/lib".
13846
13847 2008-04-11  David S. Miller  <davem@davemloft.net>
13848
13849         * testsuite/justsyms.t: Start at 0x100.
13850         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
13851         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
13852         long.
13853         * testsuite/script_test_2.cc: Adjust string and section length
13854         checks.
13855
13856 2008-04-09  Ian Lance Taylor  <iant@google.com>
13857
13858         PR gold/5996
13859         * script-sections.cc (Sections_element::allocate_to_segment): Add
13860         orphan parameter.
13861         (Output_section_definition::allocate_to_segment): Likewise.
13862         (Orphan_output_section::allocate_to_segment): Likewise.
13863         (Script_sections::attach_sections_using_phdrs_clause): Don't
13864         propagate non-PT_LOAD segments to orphan sections.
13865         * testsuite/Makefile.am (script_test_3.stdout): Generate using
13866         readelf rather than objdump.
13867         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
13868         .interp section and PT_INTERP segment are the same size.
13869         * testsuite/Makefile.in: Rebuild.
13870
13871         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
13872         aliases for symbols defined in the same object.
13873         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
13874         (weak_alias_test_SOURCES): New variable.
13875         (weak_alias_test_DEPENDENCIES): New variable.
13876         (weak_alias_test_LDFLAGS): New variable.
13877         (weak_alias_test_LDADD): New variable.
13878         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
13879         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
13880         (weak_alias_test_3.o): New target.
13881         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
13882         * testsuite/weak_alias_test_main.cc: New file.
13883         * testsuite/weak_alias_test_1.cc: New file.
13884         * testsuite/weak_alias_test_2.cc: New file.
13885         * testsuite/weak_alias_test_3.cc: New file.
13886
13887 2008-04-08  Ian Lance Taylor  <iant@google.com>
13888
13889         * options.h (class General_options): Add --noinhibit-exec option.
13890         * main.cc (main): Check --noinhibit-exec.
13891
13892         * options.h (class General_options): Define --wrap as a special
13893         option.  Add wrap_symbols_ field.
13894         (General_options::any_wrap_symbols): New function.
13895         (General_options::is_wrap_symbol): New function.
13896         * options.cc (General_options::parse_wrap): New function.
13897         (General_options::General_options): Initialize wrap_symbols_.
13898         * symtab.cc (Symbol_table::wrap_symbol): New function.
13899         (Symbol_table::add_from_object): Handle --wrap.
13900         * symtab.h (class Symbol_table): Declare wrap_symbol.
13901         * target.h (Target::wrap_char): New function.
13902         (Target::Target_info): Add wrap_char field.
13903         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
13904         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
13905         * testsuite/testfile.cc (Target_test::test_target_info):
13906         Likewise.
13907
13908         * errors.cc (Errors::undefined_symbol): Mention symbol version if
13909         there is one.
13910
13911         * layout.h (class Layout): Add added_eh_frame_data_ field.
13912         * layout.cc (Layout::Layout): Initialize new field.
13913         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
13914         output section until we find a section we merged successfully.
13915         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
13916         that the size be non-zero.
13917
13918         * merge.cc (Object_merge_map::get_output_offset): Remove inline
13919         qualifier.
13920
13921 2008-04-08  Craig Silverstein  <csilvers@google.com>
13922
13923         * configure.ac: Export new conditional variable HAVE_ZLIB.
13924         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
13925         on HAVE_ZLIB.
13926         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
13927         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13928
13929 2008-04-07  Ian Lance Taylor  <iant@google.com>
13930
13931         * version.cc (version_string): Set to "1.5".
13932
13933         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
13934         Add issued_non_pic_error_ field.  Declare check_non_pic.
13935         (Target_x86_64::Scan::check_non_pic): New function.
13936         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
13937         (Target_x86_64::Scan::global): Likewise.
13938
13939         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
13940         addend parameter.  Change caller.  Handle merge sections.
13941         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
13942         Address to Addend.  Don't add in the result of
13943         local_section_offset, pass down the addend and use the returned
13944         value.
13945         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
13946         Update declarations of local_section_offset and symbol_value.
13947         * testsuite/two_file_test_1.cc (t18): New function.
13948         * testsuite/two_file_test_2.cc (f18): New function.
13949         * testsuite/two_file_test_main.cc (main): Call t18.
13950         * testsuite/two_file_test.h (t18, f18): Declare.
13951
13952         * configure.ac: Don't test for objdump, c++filt, or readelf.
13953         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
13954         conditionals.
13955         (TEST_READELF): New variable.
13956         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
13957         (check_PROGRAMS): Add two_file_strip_test.
13958         (two_file_strip_test): New target.
13959         (check_PROGRAMS): Add two_file_same_shared_strip_test.
13960         (two_file_same_shared_strip_test_SOURCES): New variable.
13961         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
13962         (two_file_same_shared_strip_test_LDFLAGS): New variable.
13963         (two_file_same_shared_strip_test_LDADD): New variable.
13964         (two_file_shared_strip.so): New target.
13965         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
13966         (ver_test_5.syms, ver_test_7.syms): Likewise.
13967         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
13968         (strip_test_3.stdout): Use TEST_OBJDUMP.
13969         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13970
13971 2008-04-04  Cary Coutant  <ccoutant@google.com>
13972
13973         * symtab.h (Symbol::is_weak_undefined): New function.
13974         (Symbol::is_strong_undefined): New function.
13975         (Symbol::is_absolute): New function.
13976         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
13977         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
13978         absolute symbols.
13979         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
13980         (weak_undef_test): New target.
13981         * testsuite/Makefile.in: Rebuild.
13982         * testsuite/weak_undef_file1.cc: New file.
13983         * testsuite/weak_undef_file2.cc: New file.
13984         * testsuite/weak_undef_test.cc: New file.
13985
13986 2008-04-03  Craig Silverstein  <csilvers@google.com>
13987
13988         * compressed_output.h (class Output_compressed_section): Use
13989         unsigned buffer.
13990         * compressed_output.cc (zlib_compress): Use unsigned buffers,
13991         add zlib header.
13992         (zlib_compressed_suffix): Removed.
13993         (Output_compressed_section::set_final_data_size): Use unsigned
13994         buffers.
13995         * testsuite/Makefile.am (flagstest_compress_debug_sections):
13996         Fix linker invocation.
13997         (flagstest_o_specialfile_and_compress_debug_sections):
13998         Likewise.
13999         * testsuite/Makefile.in: Regenerated.
14000
14001 2008-04-02  David S. Miller  <davem@davemloft.net>
14002
14003         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
14004         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
14005
14006 2008-04-02  Craig Silverstein  <csilvers@google.com>
14007
14008         * TODO: New file.
14009
14010 2008-04-02  Ian Lance Taylor  <iant@google.com>
14011
14012         * fileread.cc (File_read::find_view): Add byteshift and vshifted
14013         parameters.  Update for new key type to views_.  Change all
14014         callers.
14015         (File_read::read): Adjust for byteshift in returned view.
14016         (File_read::add_view): New function, broken out of
14017         find_and_make_view.
14018         (File_read::make_view): New function, broken out of
14019         find_and_make_view.
14020         (File_read::find_or_make_view): Add offset and aligned
14021         parameters.  Rewrite accordingly.  Change all callers.
14022         (File_read::get_view): Add offset and aligned parameters.  Adjust
14023         for byteshift in return value.
14024         (File_read::get_lasting_view): Likewise.
14025         * fileread.h (class File_read): Update declarations.
14026         (class File_read::View): Add byteshift_ field.  Add byteshift to
14027         constructor.  Add byteshift method.
14028         * archive.h (Archive::clear_uncached_views): New function.
14029         (Archive::get_view): Add aligned parameter.  Change all callers.
14030         * object.h (Object::get_view): Add aligned parameter.  Change all
14031         callers.
14032         (Object::get_lasting_view): Likewise.
14033
14034         * fileread.cc (File_read::release): Don't call clear_views if
14035         there are multiple objects.
14036         * fileread.h (File_read::clear_uncached_views): New function.
14037         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
14038         on the archive.
14039
14040 2008-03-31  Cary Coutant  <ccoutant@google.com>
14041
14042         Add thin archive support.
14043         * archive.cc (Archive::armagt): New const.
14044         (Archive::setup): Remove task parameter and calls to unlock.
14045         (Archive::unlock_nested_archives): New function.
14046         (Archive::read_header): Add nested_off parameter. Change
14047         all callers.
14048         (Archive::interpret_header): Likewise.
14049         (Archive::include_all_members): Change to handle thin
14050         archives.
14051         (Archive::include_member): Likewise.
14052         * archive.h (Archive::Archive): Add new parameters and
14053         initializers.
14054         (Archive::armagt): New const.
14055         (Archive::setup): Remove task parameter.
14056         (Archive::unlock_nested_archives): New function.
14057         (Archive::read_header): Add nested_off parameter.
14058         (Archive::interpret_header): Likewise.
14059         (Archive::Nested_archive_table): New typedef.
14060         (Archive::is_thin_archive_): New field.
14061         (Archive::nested_archives_): New field.
14062         (Archive::options_): New field.
14063         (Archive::dirpath_): New field.
14064         (Archive::task_): New field.
14065         * readsyms.cc (Read_symbols::do_read_symbols): Add check
14066         for thin archives.  Pass additional parameters to
14067         Archive::Archive.  Unlock the archive file after calling
14068         Archive::setup.
14069
14070 2008-03-29  Ian Lance Taylor  <iant@google.com>
14071
14072         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
14073         version symbol to be local.
14074         * testsuite/ver_test_4.sh: New file.
14075         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
14076         (check_DATA): Add ver_test_4.syms.
14077         (ver_test_4.syms): New target.
14078         * testsuite/Makefile.in: Rebuild.
14079
14080         * output.cc
14081         (Output_section::Input_section_sort_entry::has_priority): New
14082         function.
14083         (Output_section::Input_section_sort_entry::match_file_name): New
14084         function.
14085         (Output_section::Input_section_sort_entry::match_section_name):
14086         Remove.
14087         (Output_section::Input_section_sort_entry::match_section_name_prefix):
14088         Remove.
14089         (Output_section::Input_section_sort_entry::match_section_file):
14090         Remove.
14091         (Output_section::Input_section_sort_compare::operator()): Rewrite
14092         using new Input_section_sort_entry functions.  Sort crtbegin and
14093         crtend first.  Sort sections with no priority before sections with
14094         a priority.
14095         * testsuite/initpri1.c (d3): Check j != 4.
14096         (cd5): New constructor/destructor function.
14097         (main): Check j != 2.
14098
14099         * symtab.cc (Symbol_table::add_from_object): If we don't use the
14100         new symbol when resolving, don't call set_is_default.
14101         * testsuite/ver_test_7.cc: New file.
14102         * testsuite/ver_test_7.sh: New file.
14103         * testsuite/Makefile.am (ver_test_7.so): New target.
14104         (ver_test_7.o): New target.
14105         (check_SCRIPTS): Add ver_test_7.sh.
14106         (check_DATA): Add ver_test_7.syms.
14107         (ver_test_7.syms): New target.
14108
14109 2008-03-28  Ian Lance Taylor  <iant@google.com>
14110
14111         * layout.cc (Layout::layout): If we see an input section with a
14112         name that needs sorting, set the must_sort flag for the output
14113         section.
14114         (Layout::make_output_section): If the name of the output section
14115         indicates that it might require sorting, set the may_sort flag.
14116         * output.h (Output_section::may_sort_attached_input_sections): New
14117         function.
14118         (Output_section::set_may_sort_attached_input_sections): New
14119         function.
14120         (Output_section::must_sort_attached_input_sections): New
14121         function.
14122         (Output_section::set_must_sort_attached_input_sections): New
14123         function.
14124         (class Output_section): Declare Input_section_sort_entry.  Define
14125         Input_section_sort_compare.  Declare
14126         sort_attached_input_sections.  Add new fields:
14127         may_sort_attached_input_sections_,
14128         must_sort_attached_input_sections_,
14129         attached_input_sections_are_sorted_.
14130         * output.cc (Output_section::Output_section): Initialize new
14131         fields.
14132         (Output_section::add_input_section): Add an entry to
14133         input_sections_ if may_sort or must_sort are true.
14134         (Output_section::set_final_data_size): Call
14135         sort_attached_input_sections if necessary.
14136         (Output_section::Input_section_sort_entry): Define new class.
14137         (Output_section::Input_section_sort_compare::operator()): New
14138         function.
14139         (Output_section::sort_attached_input_sections): New function.
14140         * configure.ac: Check whether the compiler supports constructor
14141         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
14142         * testsuite/initpri1.c: New file.
14143         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
14144         CONSTRUCTOR_PRIORITY.
14145         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
14146         (initpri1_LDFLAGS): New variable.
14147         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
14148
14149 2008-03-27  Ian Lance Taylor  <iant@google.com>
14150
14151         * common.cc (Sort_commons::operator): Correct sorting algorithm.
14152         * testsuite/common_test_1.c: New file.
14153         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
14154         (common_test_1_SOURCES): New variable.
14155         (common_test_1_DEPENDENCIES): New variable.
14156         (common_test_1_LDFLAGS): New variable.
14157
14158         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
14159         and commons_ correctly when NAME/VERSION does not override
14160         NAME/NULL.
14161         * testsuite/ver_test_6.c: New file.
14162         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
14163         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
14164         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
14165
14166 2008-03-26  Ian Lance Taylor  <iant@google.com>
14167
14168         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
14169         of an undefined symbol from a version script.
14170         * testsuite/Makefile.am (ver_test_5.so): New target.
14171         (ver_test_5.o): New target.
14172         (check_SCRIPTS): Add ver_test_5.sh.
14173         (check_DATA): Add ver_test_5.syms.
14174         (ver_test_5.syms): New target.
14175         * testsuite/ver_test_5.cc: New file.
14176         * testsuite/ver_test_5.script: New file.
14177         * testsuite/ver_test_5.sh: New file.
14178         * Makefile.in, testsuite/Makefile.in: Rebuild.
14179
14180         PR gold/5986
14181         Fix problems building gold with gcc 4.3.0.
14182         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
14183         (gold_error_at_location, gold_warning_at_location): Use it.
14184         * configure.ac: Check whether we can compile and use a template
14185         function with a printf attribute.
14186         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
14187         when jumping over bytes.
14188         * object.cc: Instantiate Object::read_section_data.
14189         * debug.h: Include <cstring>
14190         * dwarf_reader.cc: Include <algorithm>
14191         * main.cc: Include <cstring>.
14192         * options.cc: Include <cstring>.
14193         * output.cc: Include <cstring>.
14194         * script.cc: Include <cstring>.
14195         * script.h: Include <string>.
14196         * symtab.cc: Include <cstring> and <algorithm>.
14197         * target-select.cc: Include <cstring>.
14198         * version.cc: Include <string>.
14199         * testsuite/testmain.cc: Include <cstdlib>.
14200         * configure, config.in: Rebuild.
14201
14202 2008-03-25  Ian Lance Taylor  <iant@google.com>
14203
14204         * options.cc: Include "../bfd/bfdver.h".
14205         (options::help): Print bug reporting address.
14206
14207         * version.cc (print_version): Adjust output for current value of
14208         BFD_VERSION_STRING.
14209
14210         * NEWS: New file.
14211
14212         * options.cc (options::help): Print list of supported targets.
14213         * target-select.h: Include <vector>.
14214         (class Target_selector): Make machine_, size_, and is_big_endian_
14215         fields const.  Add bfd_name_ and instantiated_target_ fields.
14216         (Target_selector::Target_selector): Add bfd_name parameter.
14217         (Target_selector::recognize): Make non-virtual, call
14218         do_recognize.
14219         (Target_selector::recognize_by_name): Make non-virtual, call
14220         do_recognize_by_name.
14221         (Target_selector::supported_names): New function.
14222         (Target_selector::bfd_name): New function.
14223         (Target_selector::do_instantiate_target): New pure virtual
14224         function.
14225         (Target_selector::do_recognize): New virtual function.
14226         (Target_selector::do_recognize_by_name): New virtual function.
14227         (Target_selector::instantiate_target): New private function.
14228         (supported_target_names): Declare.
14229         * target-select.cc (Target_selector::Target_selector): Update for
14230         new parameter and fields.
14231         (select_target_by_name): Check that the name matches before
14232         calling recognize_by_name.
14233         (supported_target_names): New function.
14234         * i386.cc (class Target_selector_i386): Update Target_selector
14235         constructor call.  Remove recognize and recognize_by_name.  Add
14236         do_instantiate_target.
14237         * x86_64.cc (class Target_selector_x86_64): Likewise.
14238         * testsuite/testfile.cc (class Target_selector_test): Update for
14239         changes to Target_selector.
14240
14241         * README: Rewrite, with some notes on unsupported features.
14242
14243 2008-03-24  Cary Coutant  <ccoutant@google.com>
14244
14245         * i386.cc (Target_i386::Got_type): New enum declaration.
14246         (Target_i386::Scan::local): Updated callers of Output_data_got
14247         member functions.
14248         (Target_i386::Scan::global): Likewise.
14249         (Target_i386::Relocate::relocate): Likewise.
14250         (Target_i386::Relocate::relocate_tls): Likewise.
14251         * object.h (Got_offset_list): New class.
14252         (Sized_relobj::local_has_got_offset): Added got_type parameter.
14253         (Sized_relobj::local_got_offset): Likewise.
14254         (Sized_relobj::set_local_got_offset): Likewise.
14255         (Sized_relobj::local_has_tls_got_offset): Removed.
14256         (Sized_relobj::local_tls_got_offset): Removed.
14257         (Sized_relobj::set_local_tls_got_offset): Removed.
14258         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
14259         * output.cc (Output_data_got::add_global): Added got_type parameter.
14260         (Output_data_got::add_global_with_rel): Likewise.
14261         (Output_data_got::add_global_with_rela): Likewise.
14262         (Output_data_got::add_global_pair_with_rel): New function.
14263         (Output_data_got::add_global_pair_with_rela): New function.
14264         (Output_data_got::add_local): Added got_type parameter.
14265         (Output_data_got::add_local_with_rel): Likewise.
14266         (Output_data_got::add_local_with_rela): Likewise.
14267         (Output_data_got::add_local_pair_with_rel): New function.
14268         (Output_data_got::add_local_pair_with_rela): New function.
14269         (Output_data_got::add_global_tls): Removed.
14270         (Output_data_got::add_global_tls_with_rel): Removed.
14271         (Output_data_got::add_global_tls_with_rela): Removed.
14272         (Output_data_got::add_local_tls): Removed.
14273         (Output_data_got::add_local_tls_with_rel): Removed.
14274         (Output_data_got::add_local_tls_with_rela): Removed.
14275         * output.h (Output_data_got::add_global): Added got_type parameter.
14276         (Output_data_got::add_global_with_rel): Likewise.
14277         (Output_data_got::add_global_with_rela): Likewise.
14278         (Output_data_got::add_global_pair_with_rel): New function.
14279         (Output_data_got::add_global_pair_with_rela): New function.
14280         (Output_data_got::add_local): Added got_type parameter.
14281         (Output_data_got::add_local_with_rel): Likewise.
14282         (Output_data_got::add_local_with_rela): Likewise.
14283         (Output_data_got::add_local_pair_with_rel): New function.
14284         (Output_data_got::add_local_pair_with_rela): New function.
14285         (Output_data_got::add_global_tls): Removed.
14286         (Output_data_got::add_global_tls_with_rel): Removed.
14287         (Output_data_got::add_global_tls_with_rela): Removed.
14288         (Output_data_got::add_local_tls): Removed.
14289         (Output_data_got::add_local_tls_with_rel): Removed.
14290         (Output_data_got::add_local_tls_with_rela): Removed.
14291         * resolve.cc (Symbol::override_base_with_special): Removed
14292         reference to has_got_offset_ field.
14293         * symtab.cc (Symbol::init_fields): Replaced initialization
14294         of got_offset_ with got_offsets_.  Removed initialization
14295         of has_got_offset_
14296         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
14297         (Symbol::got_offset): Likewise.
14298         (Symbol::set_got_offset): Likewise.
14299         (Symbol::has_tls_got_offset): Removed.
14300         (Symbol::tls_got_offset): Removed.
14301         (Symbol::set_tls_got_offset): Removed.
14302         (Symbol::got_offset_): Removed.
14303         (Symbol::tls_mod_got_offset_): Removed.
14304         (Symbol::tls_pair_got_offset_): Removed.
14305         (Symbol::got_offsets_): New field.
14306         (Symbol::has_got_offset): Removed.
14307         (Symbol::has_tls_mod_got_offset): Removed.
14308         (Symbol::has_tls_pair_got_offset): Removed.
14309         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
14310         (Target_x86_64::Scan::local): Updated callers of Output_data_got
14311         member functions.
14312         (Target_x86_64::Scan::global): Likewise.
14313         (Target_x86_64::Relocate::relocate): Likewise.
14314         (Target_x86_64::Relocate::relocate_tls): Likewise.
14315
14316 2008-03-25  Ben Elliston  <bje@au.ibm.com>
14317
14318         * yyscript.y: Fix spelling error in comment.
14319
14320 2008-03-24  Ian Lance Taylor  <iant@google.com>
14321
14322         * options.h (class General_options): Define build_id option.
14323         * layout.h (class Layout): Declare write_build_id, create_note,
14324         create_build_id.  Add build_id_note_ member.
14325         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
14326         "libiberty.h", "md5.h", "sha1.h".
14327         (Layout::Layout): Initialize eh_frame_data_,
14328         eh_frame_hdr_section_, and build_id_note_.
14329         (Layout::finalize): Call create_build_id.
14330         (Layout::create_note): New function, broken out of
14331         Layout::create_gold_note.
14332         (Layout::create_gold_note): Call create_note.
14333         (Layout::create_build_id): New function.
14334         (Layout::write_build_id): New function.
14335         (Close_task_runner::run): Call write_build_id.
14336
14337         * x86_64.cc: Correct license to GPLv3.
14338
14339 2008-03-23  Ian Lance Taylor  <iant@google.com>
14340
14341         * options.cc: Include "demangle.h".
14342         (parse_optional_string): New function.
14343         (parse_long_option): Handle takes_optional_argument.
14344         (parse_short_option): Update dash_z initializer.  Handle
14345         takes_optional_argument.
14346         (General_options::General_options): Initialize do_demangle_.
14347         (General_options::finalize): Set do_demangle_.  Handle demangling
14348         style.
14349         * options.h (parse_optional_string): Declare.
14350         (struct One_option): Add optional_arg field.  Update constructor.
14351         Update call constructor calls.  Add takes_optional_argument
14352         function.
14353         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
14354         (DEFINE_optional_string): Define.
14355         (General_options::demangle): Change from DEFINE_bool to
14356         DEFINE_optional_string.
14357         (General_options::no_demangle): New function.
14358         (General_options::do_demangle): New function.
14359         (General_options::set_do_demangle): New function.
14360         (General_options::execstack_status_): Move definition to end of
14361         class definition.
14362         (General_options::static_): Likewise.
14363         (General_options::do_demangle_): New field.
14364         * object.cc (big_endian>::get_symbol_location_info): Call
14365         Options::do_demangle, not Options::demangle.
14366         * symtab.cc (demangle): Likewise.
14367
14368 2008-03-22  Ian Lance Taylor  <iant@google.com>
14369
14370         * gold.h: Include <cstddef> and <sys/types.h>
14371         * options.h: Include <cstring>.
14372
14373 2008-03-21  Ian Lance Taylor  <iant@google.com>
14374
14375         * Added source code to GNU binutils.
14376 \f
14377 Copyright (C) 2008-2012 Free Software Foundation, Inc.
14378
14379 Copying and distribution of this file, with or without modification,
14380 are permitted in any medium without royalty provided the copyright
14381 notice and this notice are preserved.
14382
14383 Local Variables:
14384 mode: change-log
14385 left-margin: 8
14386 fill-column: 74
14387 version-control: never
14388 End: