gold/ChangeLog

   1 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
   2
   3         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
   4         to claim_file call.
   5         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
   6         input_section_position_, and input_section_glob_.
   7         (read_layout_from_file): Call function section_ordering_specified.
   8         * layout.h (is_section_ordering_specified): New function.
   9         (section_ordering_specified): New function.
  10         (section_ordering_specified_): New boolean member.
  11         * main.cc(main): Call load_plugins after layout object is defined.
  12         * output.cc (Output_section::add_input_section): Use
  13         function section_ordering_specified to check if section ordering is
  14         needed.
  15         * output.cc (Output_section::add_relaxed_input_section): Use
  16         function section_ordering_specified to check if section ordering is
  17         needed.
  18         (Output_section::update_section_layout): New function.
  19         (Output_section::sort_attached_input_sections): Check if input section
  20         must be reordered.
  21         * output.h (Output_section::update_section_layout): New function.
  22         * plugin.cc (get_section_count): New function.
  23         (get_section_type): New function.
  24         (get_section_name): New function.
  25         (get_section_contents): New function.
  26         (update_section_order): New function.
  27         (allow_section_ordering): New function.
  28         (Plugin::load): Add the new interfaces to the transfer vector.
  29         (Plugin_manager::load_plugins): New parameter.
  30         (Plugin_manager::all_symbols_read): New parameter.
  31         (Plugin_manager::claim_file): New parameter. Save the elf object for
  32         unclaimed objects.
  33         (Plugin_manager::get_elf_object): New function.
  34         (Plugin_manager::get_view): Change to directly use the bool to check
  35         if get_view is called from claim_file_hook.
  36         * plugin.h (input_objects): New function
  37         (Plugin__manager::load_plugins): New parameter.
  38         (Plugin_manager::claim_file): New parameter.
  39         (Plugin_manager::get_elf_object): New function.
  40         (Plugin_manager::in_claim_file_handler): New function.
  41         (Plugin_manager::in_claim_file_handler_): New member.
  42         (layout): New function.
  43         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
  44         handler with an extra parameter. Make the elf object before calling
  45         claim_file handler.
  46         * testsuite/plugin_test.c (get_section_count): New function pointer.
  47         (get_section_type): New function pointer.
  48         (get_section_name): New function pointer.
  49         (get_section_contents): New function pointer.
  50         (update_section_order): New function pointer.
  51         (allow_section_ordering): New function pointer.
  52         (onload): Check if the new interfaces exist.
  53
  54 2011-07-13  Ian Lance Taylor  <iant@google.com>
  55
  56         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
  57         relro section.
  58         * x86_64.cc (Target_x86_64::got_section): Likewise.
  59         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
  60         (relro_now_test_SOURCES): New variable.
  61         (relro_now_test_DEPENDENCIES): New variable.
  62         (relro_now_test_LDFLAGS): New variable.
  63         (relro_now_test_LDADD): New variable.
  64         (relro_now_test.so): New target.
  65         * testsuite/Makefile.in: Rebuild.
  66
  67 2011-07-12  Ian Lance Taylor  <iant@google.com>
  68
  69         PR gold/12980
  70         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
  71         GLOB_DAT relocation rather than a RELATIVE relocation for a
  72         protected symbol when creating a shared library.
  73         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
  74         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
  75         * testsuite/protected_main_1.cc (main): Test that protected
  76         function has same address.
  77
  78 2011-07-11  Ian Lance Taylor  <iant@google.com>
  79
  80         PR gold/12979
  81         * options.h (class General_options): Add -Bgroup.
  82         * options.cc (General_options::finalize): If -Bgroup is set,
  83         default to --unresolved-symbols=report-all.
  84         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
  85         * target-reloc.h (issue_undefined_symbol_error): Handle
  86         --unresolved-symbols=report-all.
  87
  88 2011-07-08  Ian Lance Taylor  <iant@google.com>
  89
  90         PR gold/11985
  91         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
  92         if linker script discards key sections.
  93         (Layout::create_dynamic_symtab): Likewise.
  94         (Layout::assign_local_dynsym_offsets): Likewise.
  95         (Layout::sized_create_version_sections): Likewise.
  96         (Layout::create_interp): Likewise.
  97         (Layout::finish_dynamic_section): Likewise.
  98         (Layout::set_dynamic_symbol_size): Likewise.
  99
 100 2011-07-08  Ian Lance Taylor  <iant@google.com>
 101
 102         PR gold/12386
 103         * options.h (class General_options): Add --unresolved-symbols.
 104         * target-reloc.h (issue_undefined_symbol_error): Check
 105         --unresolved-symbols.  Add comments.
 106
 107 2011-07-08  Ian Lance Taylor  <iant@google.com>
 108
 109         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 110         expression more complex.
 111
 112 2011-07-08  Ian Lance Taylor  <iant@google.com>
 113
 114         PR gold/11317
 115         * target-reloc.h (issue_undefined_symbol_error): New inline
 116         function, broken out of relocate_section.
 117         (relocate_section): Call issue_undefined_symbol_error.
 118         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 119         there is no TLS segment if we are about to issue an undefined
 120         symbol error.
 121         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 122
 123 2011-07-08  Ian Lance Taylor  <iant@google.com>
 124
 125         PR gold/12279
 126         * resolve.cc (Symbol_table::should_override): Add fromtype
 127         parameter.  Change all callers.  Give error when linking together
 128         TLS and non-TLS symbol.
 129         (Symbol_table::should_override_with_special): Add fromtype
 130         parameter.  Change all callers.
 131         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 132         there is no TLS segment if we have reported some errors.
 133         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 134
 135 2011-07-08  Ian Lance Taylor  <iant@google.com>
 136
 137         PR gold/12372
 138         * target.h (Target::plt_address_for_global): New function.
 139         (Target::plt_address_for_local): New function.
 140         (Target::plt_section_for_global): Remove.
 141         (Target::plt_section_for_local): Remove.
 142         (Target::do_plt_address_for_global): New virtual function.
 143         (Target::do_plt_address_for_local): New virtual function.
 144         (Target::do_plt_section_for_global): Remove.
 145         (Target::do_plt_section_for_local): Remove.
 146         (Target::register_global_plt_entry): Add Symbol_table and Layout
 147         parameters.
 148         * output.cc (Output_data_got::Got_entry::write): Use
 149         plt_address_for_global and plt_address_for_local.
 150         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 151         address of output section.
 152         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 153         got_irelative_, and irelative_count_ fields.  Update
 154         declarations.
 155         (Output_data_plt_i386::has_irelative_section): New function.
 156         (Output_data_plt_i386::entry_count): Add irelative_count_.
 157         (Output_data_plt_i386::set_final_data_size): Likewise.
 158         (class Target_i386): Add got_irelative_ and rel_irelative_
 159         fields.  Update declarations.
 160         (Target_i386::Target_i386): Initialize new fields.
 161         (Target_i386::do_plt_address_for_global): New function replacing
 162         do_plt_section_for_global.
 163         (Target_i386::do_plt_address_for_local): New function replacing
 164         do_plt_section_for_local.
 165         (Target_i386::got_section): Create got_irelative_.
 166         (Target_i386::rel_irelative_section): New function.
 167         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 168         fields.  Don't define __rel_iplt_{start,end}.
 169         (Output_data_plt_i386::add_entry): Add symtab and layout
 170         parameters.  Change all callers.  Use different PLT and GOT for
 171         IFUNC symbols.
 172         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 173         layout parameters.  Change all callers.  Use different PLT and
 174         GOT.
 175         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 176         (Output_data_plt_i386::rel_irelative): New function.
 177         (Output_data_plt_i386::address_for_global): New function.
 178         (Output_data_plt_i386::address_for_local): New function.
 179         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 180         IRELATIVE GOT when changing IFUNC GOT entries.
 181         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 182         reloc.
 183         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 184         if we didn't create an IRELATIVE GOT.
 185         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 186         plt_address_for_local.
 187         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 188         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 189         got_irelative_, and irelative_count_ fields.  Update
 190         declarations.
 191         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 192         Initialize new fields.  Remove symtab parameter.  Change all
 193         callers.
 194         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 195         irelative_count_.
 196         (Output_data_plt_x86_64::has_irelative_section): New function.
 197         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 198         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 199         fields.  Update declarations.
 200         (Target_x86_64::Target_x86_64): Initialize new fields.
 201         (Target_x86_64::do_plt_address_for_global): New function replacing
 202         do_plt_section_for_global.
 203         (Target_x86_64::do_plt_address_for_local): New function replacing
 204         do_plt_section_for_local.
 205         (Target_x86_64::got_section): Create got_irelative_.
 206         (Target_x86_64::rela_irelative_section): New function.
 207         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 208         all callers.  Don't create __rel_iplt_{start,end}.
 209         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 210         parameters.  Change all callers.  Use different PLT and GOT for
 211         IFUNC symbols.
 212         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 213         layout parameters.  Change all callers.  Use different PLT and
 214         GOT.
 215         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 216         parameters.  Change all callers.  Use different PLT and GOT for
 217         IFUNC symbols.
 218         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 219         (Output_data_plt_x86_64::rela_irelative): New function.
 220         (Output_data_plt_x86_64::address_for_global): New function.
 221         (Output_data_plt_x86_64::address_for_local): New function.
 222         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 223         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 224         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 225         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 226         parameters.
 227         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 228         reloc.
 229         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 230         symbols if we didn't create an IRELATIVE GOT.
 231         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 232         plt_address_for_local.
 233         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 234         * testsuite/ifuncvar1.c: New test file.
 235         * testsuite/ifuncvar2.c: New test file.
 236         * testsuite/ifuncvar3.c: New test file.
 237         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 238         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 239         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 240         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 241         * testsuite/Makefile.in: Rebuild.
 242
 243 2011-07-07  Cary Coutant  <ccoutant@google.com>
 244
 245         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 246         (two_file_test_1_ndebug.o): Likewise.
 247         (two_file_test_1b_ndebug.o): Likewise.
 248         (two_file_test_2_ndebug.o): Likewise.
 249         (two_file_test_main_ndebug.o): Likewise.
 250         (incremental_test_2): Link with no-debug versions.
 251
 252 2011-07-06  Cary Coutant  <ccoutant@google.com>
 253
 254         * gold/incremental.cc
 255         (Output_section_incremental_inputs::write_info_blocks): Check for
 256         hidden and internal symbols.
 257
 258 2011-07-06  Cary Coutant  <ccoutant@google.com>
 259
 260         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 261         Check disposition for startup file.
 262         (Incremental_inputs::report_command_line): Ignore
 263         --incremental-startup-unchanged option.
 264         * options.cc (General_options::parse_incremental_startup_unchanged):
 265         New function.
 266         (General_options::General_options): Initialize new data member.
 267         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 268         (General_options): Add --incremental-startup-unchanged option.
 269         (General_options::incremental_startup_disposition): New function.
 270         (General_options::incremental_startup_disposition_): New data member.
 271
 272 2011-07-06  Cary Coutant  <ccoutant@google.com>
 273
 274         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 275         input file index to Script_info ctor.
 276         (Sized_incremental_binary::do_file_has_changed): Find the
 277         command-line argument for files named in scripts.
 278         * incremental.h (Script_info::Script_info): New ctor
 279         with input file index.
 280         (Script_info::input_file_index): New function.
 281         (Script_info::input_file_index_): New data member.
 282         (Incremental_binary::get_library): Add const.
 283         (Incremental_binary::get_script_info): Add const.
 284         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 285         * testsuite/Makefile.am (incremental_test_5): New test case.
 286         (incremental_test_6): New test case.
 287         * testsuite/Makefile.in: Regenerate.
 288
 289 2011-07-06  Cary Coutant  <ccoutant@google.com>
 290
 291         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 292         debug output when command lines differ.
 293
 294 2011-07-06  Cary Coutant  <ccoutant@google.com>
 295
 296         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 297         --incremental-patch option.
 298         * layout.cc (Free_list::allocate): Extend allocation beyond original
 299         end if enabled.
 300         (Layout::make_output_section): Mark sections that should get
 301         patch space.
 302         * options.cc (parse_percent): New function.
 303         * options.h (parse_percent): New function.
 304         (DEFINE_percent): New macro.
 305         (General_options): Add --incremental-patch option.
 306         * output.cc (Output_section::Output_section): Initialize new data
 307         members.
 308         (Output_section::add_input_section): Print section name when out
 309         of patch space.
 310         (Output_section::add_output_section_data): Likewise.
 311         (Output_section::set_final_data_size): Add patch space when
 312         doing --incremental-full.
 313         (Output_section::do_reset_address_and_file_offset): Remove patch
 314         space.
 315         (Output_segment::set_section_list_addresses): Print debug output
 316         only if --incremental-update.
 317         * output.h (Output_section::set_is_patch_space_allowed): New function.
 318         (Output_section::is_patch_space_allowed_): New data member.
 319         (Output_section::patch_space_): New data member.
 320         * parameters.cc (Parameters::incremental_full): New function.
 321         * parameters.h (Parameters::incremental_full): New function
 322         * testsuite/Makefile.am (incremental_test_2): Add test for
 323         --incremental-patch option.
 324         * testsuite/Makefile.in: Regenerate.
 325         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 326         (t18): Remove function body.
 327
 328 2011-07-05  Doug Kwan  <dougkwan@google.com>
 329
 330         PR gold/12771
 331         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 332         Arm_Address type for relocation result.
 333         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 334         overflow check.
 335         (Arm_relocate_functions::abs32): Use unaligned access.
 336         (Arm_relocate_functions::rel32): Ditto.
 337         (Arm_relocate_functions::prel31): Ditto.
 338         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 339         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 340         static data relocations.
 341         * testsuite/Makefile.in: Regnerate.
 342         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 343
 344 2011-07-05  Ian Lance Taylor  <iant@google.com>
 345
 346         PR gold/12392
 347         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 348         symbols if necessary.
 349         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 350
 351 2011-07-05  Ian Lance Taylor  <iant@google.com>
 352
 353         PR gold/12952
 354         * resolve.cc (Symbol::override_base_with_special): Simply override
 355         version with special symbol version, ignoring previous version.
 356
 357 2011-07-05  Ian Lance Taylor  <iant@google.com>
 358
 359         * object.cc (Sized_relobj_file::include_section_group): Add
 360         information to comment about signature location.
 361
 362 2011-07-02  Ian Lance Taylor  <iant@google.com>
 363
 364         PR gold/12957
 365         * options.h (class General_options): Add -f and -F.
 366         * options.cc (General_options::finalize): Fatal error if -f/-F
 367         are used without -shared.
 368         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
 369
 370 2011-07-02  Ian Lance Taylor  <iant@google.com>
 371
 372         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
 373
 374 2011-07-01  Ian Lance Taylor  <iant@google.com>
 375
 376         PR gold/12525
 377         PR gold/12952
 378         * resolve.cc (Symbol::override_base_with_special): Don't override
 379         the version if the overriding symbol has a different name.
 380         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
 381         all callers.  If we give an error about an undefined version,
 382         define the base version if necessary.
 383         * dynobj.h (class Versions): Update declaration.
 384         * testsuite/weak_alias_test_5.cc: New file.
 385         * testsuite/weak_alias_test.script: New file.
 386         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
 387         and versioned_alias have the right value, and call t2.
 388         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
 389         weak_alias_test_5.so.
 390         (weak_alias_test_LDADD): Likewise.
 391         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
 392         * testsuite/Makefile.in: Rebuild.
 393
 394 2011-07-01  Ian Lance Taylor  <iant@google.com>
 395
 396         PR gold/12525
 397         * options.h (class General_options): Support -z notext.
 398         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
 399         -Wl,-z,notext.
 400         (two_file_shared_nonpic.so): Likewise.
 401         (two_file_shared_mixed.so): Likewise.
 402         (two_file_shared_mixed_1.so): Likewise.
 403         (weak_undef_lib_nonpic.so): Likewise.
 404         (alt/weak_undef_lib_nonpic.so): Likewise.
 405         (tls_test_shared_nonpic.so): Likewise.
 406         * testsuite/Makefile.in: Rebuild.
 407
 408 2011-07-01  Ian Lance Taylor  <iant@google.com>
 409
 410         PR gold/12525
 411         * configure.ac: Test whether static linking works, setting
 412         the automake conditional HAVE_STATIC.
 413         * testsuite/Makefile.am: Disable tests using -static if
 414         HAVE_STATIC is not true.
 415         * configure, testsuite/Makefile.in: Rebuild.
 416
 417 2011-07-01  Ian Lance Taylor  <iant@google.com>
 418
 419         PR gold/12525
 420         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
 421         Assert if we see DW_EH_PE_indirect.
 422         * target.h (Target::ehframe_datarel_base): New function.
 423         (Target::do_ehframe_datarel_base): New target function.
 424         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
 425         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
 426         function.
 427
 428 2011-07-01  Ian Lance Taylor  <iant@google.com>
 429
 430         PR gold/12571
 431         * options.h (class General_options): Add
 432         --ld-generated-unwind-info.
 433         * ehframe.cc (Fde::write): Add address parameter.  Change all
 434         callers.  If associated with PLT, fill in address and size.
 435         (Cie::set_output_offset): Only add merge mapping if there is an
 436         object.
 437         (Cie::write): Add address parameter.  Change all callers.
 438         (Eh_frame::add_ehframe_for_plt): New function.
 439         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
 440         input_offset_ fields into union u_, with new plt field.
 441         (Fde::Fde): Adjust for new union field.
 442         (Fde::Fde) [Output_data version]: New constructor.
 443         (Fde::add_mapping): Only add merge mapping if there is an object.
 444         (class Cie): Update declarations.
 445         (class Eh_frame): Declare add_ehframe_for_plt.
 446         * layout.cc (Layout::layout_eh_frame): Break out code into
 447         make_eh_frame_section, and call it.
 448         (Layout::make_eh_frame_section): New function.
 449         (Layout::add_eh_frame_for_plt): New function.
 450         * layout.h (class Layout): Update declarations.
 451         * merge.cc (Merge_map::add_mapping): Add assertion.
 452         * i386.cc: Include "dwarf.h".
 453         (class Output_data_plt_i386): Make first_plt_entry,
 454         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
 455         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 456         and plt_eh_frame_fde.
 457         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
 458         boundary.  Call add_eh_frame_for_plt if appropriate.
 459         * x86_64.cc: Include "dwarf.h".
 460         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
 461         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
 462         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 463         and plt_eh_frame_fde.
 464         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
 465         appropriate.
 466
 467 2011-06-29  Ian Lance Taylor  <iant@google.com>
 468
 469         PR gold/12629
 470         * object.cc (Sized_relobj_file::layout_section): Change shdr
 471         parameter to be const.
 472         (Sized_relobj_file::layout_eh_frame_section): New function, broken
 473         out of do_layout.
 474         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
 475         appropriate.  Call layout_eh_frame_section.
 476         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
 477         sections.
 478         * object.h (class Sized_relobj_file): Update declarations.
 479
 480 2011-06-29  Ian Lance Taylor  <iant@google.com>
 481
 482         PR gold/12652
 483         * script.cc (Token::integer_value): Accept trailing M/m/K/k
 484         modifier.
 485         (Lex::gather_token): Accept trailing M/m/K/k for integers.
 486
 487 2011-06-29  Ian Lance Taylor  <iant@google.com>
 488
 489         PR gold/12675
 490         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
 491         SHT_X86_64_UNWIND.
 492         * layout.cc (Layout::layout_eh_frame): Likewise.
 493
 494 2011-06-29  Ian Lance Taylor  <iant@google.com>
 495
 496         PR gold/12695
 497         * layout.cc (Layout::symtab_section_shndx): New function.
 498         * layout.h (class Layout): Declare symtab_section_shndx.
 499         * output.cc (Output_section::write_header): Call it.
 500
 501 2011-06-29  Ian Lance Taylor  <iant@google.com>
 502
 503         PR gold/12818
 504         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
 505         symbols which are not used in a relocation.
 506
 507 2011-06-28  Ian Lance Taylor  <iant@google.com>
 508
 509         PR gold/12898
 510         * layout.cc (Layout::segment_precedes): Don't crash if a linker
 511         script create indistinguishable segments.
 512         (Layout::set_segment_offsets): Use stable_sort when sorting
 513         segments.  Pass this to Compare_segments constructor.
 514         * layout.h (class Layout): Make segment_precedes non-static.
 515         (class Compare_segments): Change from struct to class.  Add
 516         layout_ field.  Add constructor.
 517         * script-sections.cc
 518         (Script_sections::attach_sections_using_phdrs_clause): Rename
 519         local orphan to is_orphan.  Don't report failure to put empty
 520         section in segment.  On attachment failure, report name of
 521         section, and attach to first PT_LOAD segment.
 522
 523 2011-06-28  Ian Lance Taylor  <iant@google.com>
 524
 525         PR gold/12934
 526         * target-select.cc (Target_selector::Target_selector): Add
 527         emulation parameter.  Change all callers.
 528         (select_target_by_bfd_name): Rename from select_target_by_name.
 529         Change all callers.
 530         (select_target_by_emulation): New function.
 531         (supported_emulation_names): New function.
 532         * target-select.h (class Target_selector): Add emulation_ field.
 533         Update declarations.
 534         (Target_selector::recognize_by_bfd_name): Rename from
 535         recognize_by_name.  Change all callers.
 536         (Target_selector::supported_bfd_names): Rename from
 537         supported_names.  Change all callers.
 538         (Target_selector::recognize_by_emulation): New function.
 539         (Target_selector::supported_emulations): New function.
 540         (Target_selector::emulation): New function.
 541         (Target_selector::do_recognize_by_bfd_name): Rename from
 542         do_recognize_by_name.  Change all callers.
 543         (Target_selector::do_supported_bfd_names): Rename from
 544         do_supported_names.  Change all callers.
 545         (Target_selector::do_recognize_by_emulation): New function.
 546         (Target_selector::do_supported_emulations): New function.
 547         (select_target_by_bfd_name): Change name in declaration.
 548         (select_target_by_emulation): Declare.
 549         (supported_emulation_names): Declare.
 550         * parameters.cc (parameters_force_valid_target): Try to find
 551         target based on emulation from -m option.
 552         * options.h (class General_options): Change doc string for -m.
 553         * options.cc (help): Print emulations.
 554         (General_options::parse_V): Likewise.
 555         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
 556         Add emulation parameter.  Change all callers.
 557
 558 2011-06-28  Ian Lance Taylor  <iant@google.com>
 559
 560         * target.h (class Target): Add osabi_ field.
 561         (Target::osabi): New function.
 562         (Target::set_osabi): New function.
 563         (Target::Target): Initialize osabi_.
 564         (Target::do_adjust_elf_header): Make pure virtual.
 565         (Sized_target::do_adjust_elf_header): Declare.
 566         * target.cc (Sized_target::do_adjust_elf_header): New function.
 567         (class Sized_target): Instantiate all versions.
 568         * freebsd.h (class Target_freebsd): Remove.
 569         (Target_selector_freebsd::do_recognize): Call set_osabi on
 570         Target.
 571         (Target_selector_freebsd::do_recognize_by_name): Likewise.
 572         (Target_selector_freebsd::set_osabi): Remove.
 573         * i386.cc (class Target_i386): Inherit from Sized_target rather
 574         than Target_freebsd.
 575         * x86_64.cc (class Target_x86_64): Likewise.
 576
 577 2011-06-28  Ian Lance Taylor  <iant@google.com>
 578
 579         * target.h (Target::can_check_for_function_pointers): Rewrite.
 580         Make non-virtual.
 581         (Target::can_icf_inline_merge_sections): Likewise.
 582         (Target::section_may_have_icf_unsafe_poineters): Likewise.
 583         (Target::Target_info): Add can_icf_inline_merge_sections field.
 584         (Target::do_can_check_for_function_pointers): New virtual
 585         function.
 586         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
 587         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
 588         from can_check_for_function_pointers, move in file.
 589         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
 590         section_may_have_icf_unsafe_poineters, move in file.
 591         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
 592         * i386.cc (Target_i386::do_can_check_for_function_pointers):
 593         Rename from can_check_for_function_pointers, move in file.
 594         (Target_i386::can_icf_inline_merge_sections): Remove.
 595         (Target_i386::i386_info): Initialize
 596         can_icf_inline_merge_sections.
 597         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
 598         Initialize can_icf_inline_merge_sections.
 599         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
 600         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
 601         Rename from can_check_for_function_pointers, move in file.
 602         (Target_x86_64::can_icf_inline_merge_sections): Remove.
 603         (Target_x86_64::x86_64_info): Initialize
 604         can_icf_inline_merge_sections.
 605         * testsuite/testfile.cc (Target_test::test_target_info):
 606         Likewise.
 607         * icf.cc (get_section_contents): Correct formatting.
 608
 609 2011-06-27  Ian Lance Taylor  <iant@google.com>
 610
 611         * symtab.cc (Symbol::versioned_name): New function.
 612         (Symbol_table::add_to_final_symtab): Use versioned_name when
 613         appropriate.
 614         (Symbol_table::sized_write_symbol): Likewise.
 615         * symtab.h (class Symbol): Declare versioned_name.
 616         * stringpool.h (class Stringpool_template): Add variant of add
 617         which takes a std::basic_string.
 618         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
 619         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
 620         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
 621         (ver_test_12.o): New target.
 622         * testsuite/Makefile.in: Rebuild.
 623
 624 2011-06-27  Doug Kwan  <dougkwan@google.com>
 625
 626         * arm.cc (Arm_relocate_functions::thm_jump8,
 627         Arm_relocate_functions::thm_jump11): Use a wider signed
 628         type to compute offset.
 629         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
 630         arm_thm_jump8.
 631         * testsuite/Makefile.in: Regenerate.
 632         * testsuite/arm_branch_in_range.sh: Check test results of
 633         arm_thm_jump11 and arm_thm_jump8.
 634         * testsuite/arm_thm_jump11.s: New test source file.
 635         * testsuite/arm_thm_jump11.t: New linker script.
 636         * testsuite/arm_thm_jump8.s: New test source file.
 637         * testsuite/arm_thm_jump8.t: New linker script.
 638
 639 2011-06-24  Ian Lance Taylor  <iant@google.com>
 640
 641         * layout.cc: Include "object.h".
 642         (ctors_sections_in_init_array): New static variable.
 643         (Layout::is_ctors_in_init_array): New function.
 644         (Layout::layout): Add entry to ctors_sections_in_init_array if
 645         appropriate.
 646         * layout.h (class Layout): Declare is_ctors_in_init_array.
 647         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
 648         is_ctors_reverse_view is set.
 649         (Sized_relobj_file::write_sections): Add layout parameter.  Change
 650         all callers.  Set is_ctors_reverse_view field of View_size.
 651         (Sized_relobj_file::reverse_words): New function.
 652         * object.h (Sized_relobj_file::View_size): Add
 653         is_ctors_reverse_view field.
 654         (class Sized_relobj_file): Update declarations.
 655         * testsuite/initpri3.c: New test.
 656         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
 657         initpri3b.
 658         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
 659         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
 660         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
 661         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
 662         * testsuite/Makefile.in: Rebuild.
 663
 664 2011-06-24  Cary Coutant  <ccoutant@google.com>
 665
 666         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
 667         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
 668         (debug_msg_cdebug.err): New targets.
 669         * testsuite/Makefile.in: Regenerate.
 670         * testsuite/debug_msg.sh: Check output of link with compressed debug.
 671         Fix checks for link with shared library.
 672
 673 2011-06-24  Doug Kwan  <dougkwan@google.com>
 674
 675         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
 676         skip empty text sections.
 677         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
 678
 679 2011-06-22  Ian Lance Taylor  <iant@google.com>
 680
 681         PR gold/12910
 682         * options.h (class General_options): Add --ctors-in-init-array.
 683         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
 684         friends as SHT_PROGBITS for merging sections.
 685         (Layout::layout): Remove special handling of .init_array and
 686         friends.  Don't sort if doing relocatable link.  Sort for .ctors
 687         and .dtors if ctors_in_init_array.
 688         (Layout::make_output_section): Force correct section types for
 689         .init_array and friends.  Don't sort if doing relocatable link,
 690         Don't sort .ctors and .dtors if ctors_in_init_array.
 691         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
 692         (Layout::output_section_name): Add relobj parameter.  Change all
 693         callers.  Handle .ctors. and .dtors. in code rather than table.
 694         Handle .ctors and .dtors if ctors_in_init_array.
 695         (Layout::match_file_name): New function, moved from output.cc.
 696         * layout.h (class Layout): Update declarations.
 697         * output.cc: Include "layout.h".
 698         (Input_section_sort_entry::get_priority): New function.
 699         (Input_section_sort_entry::match_file_name): Just call
 700         Layout::match_file_name.
 701         (Output_section::Input_section_sort_init_fini_compare::operator()):
 702         Handle .ctors and .dtors.  Sort by explicit priority rather than
 703         by name.
 704         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
 705         * testsuite/initpri2.c: New test.
 706         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
 707         (check_PROGRAMS): Add initpri2.
 708         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
 709         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
 710         * configure, testsuite/Makefile.in: Rebuild.
 711
 712 2011-06-19  Ian Lance Taylor  <iant@google.com>
 713
 714         PR gold/12880
 715         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
 716         .interp section to a PT_INTERP segment even if we have seen a
 717         --dynamic-linker option.  Don't do it if we have seen a PHDRS
 718         clause in a linker script.
 719         (Layout::finalize): Don't create a .interp section if we've
 720         already create a PT_INTERP segment.
 721         (Layout::create_interp): Always call choose_output_section (revert
 722         patch of 2011-06-17).  Don't create PT_INTERP segment.
 723         * script-sections.cc
 724         (Script_sections::create_note_and_tls_segments): Add a .interp
 725         section to a PT_INTERP segment even if we have seen a
 726         --dynamic-linker option.
 727
 728 2011-06-18  Ian Lance Taylor  <iant@google.com>
 729
 730         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
 731         merely because a non-PT_LOAD segment has a dynamic reloc.
 732
 733 2011-06-18  Ian Lance Taylor  <iant@google.com>
 734
 735         * layout.cc (Layout::finish_dynamic_section): Don't create
 736         DT_FLAGS entry if not needed.
 737
 738 2011-06-18  Ian Lance Taylor  <iant@google.com>
 739
 740         PR gold/12745
 741         * layout.cc (Layout::layout_eh_frame): Correct handling of
 742         writable .eh_frame section.
 743
 744 2011-06-17  Ian Lance Taylor  <iant@google.com>
 745
 746         PR gold/12893
 747         * resolve.cc (Symbol_table::resolve): Don't give an error if a
 748         symbol is redefined with the exact same object and value.
 749
 750 2011-06-17  Ian Lance Taylor  <iant@google.com>
 751
 752         PR gold/12880
 753         * layout.h (class Layout): Add interp_segment_ field.
 754         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
 755         (Layout::attach_allocated_section_to_segment): If making shared
 756         library, put .interp section in PT_INTERP segment.
 757         (Layout::finalize): Also call create_interp if -dynamic-linker
 758         option was used.
 759         (Layout::create_interp): Assert that there is no PT_INTERP
 760         segment.  If not using a SECTIONS clause, use make_output_section.
 761         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
 762         * script-sections.cc
 763         (Script_sections::create_note_and_tls_segments): If making shared
 764         library, put .interp section in PT_INTERP segment.
 765
 766 2011-06-17  Ian Lance Taylor  <iant@google.com>
 767
 768         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
 769         when making a shared library.
 770
 771 2011-06-17  Ian Lance Taylor  <iant@google.com>
 772
 773         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
 774         parameter.  Change all callers.  Don't issue warning about PC32
 775         against locally defined symbol.
 776
 777 2011-06-16  Ian Lance Taylor  <iant@google.com>
 778
 779         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
 780         occurs in same object.
 781
 782 2011-06-14  Alan Modra  <amodra@gmail.com>
 783
 784         * po/POTFILES.in: Regenerate.
 785
 786 2011-06-09  Ian Lance Taylor  <iant@google.com>
 787
 788         * script-sections.cc
 789         (Orphan_output_section::set_section_addresses): For a relocatable
 790         link set address to 0.
 791
 792 2011-06-09  Cary Coutant  <ccoutant@google.com>
 793
 794         PR gold/12804
 795         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
 796         used with --compress-debug-sections.
 797         * gold/object.cc (Sized_relobj_file::do_layout): Report
 798         uncompressed size of compressed input sections.
 799
 800 2011-06-08  Cary Coutant  <ccoutant@google.com>
 801
 802         PR gold/12804
 803         * testsuite/two_file_test_2_v1.cc: Change initialization of
 804         v2 to keep it in .data.
 805
 806 2011-06-07  Cary Coutant  <ccoutant@google.com>
 807
 808         * common.cc (Symbol_table::do_allocate_commons_list): Call
 809         gold_fallback.
 810         * errors.cc (Errors::fatal): Adjust call to gold_exit.
 811         (Errors::fallback): New function.
 812         (gold_fallback): New function.
 813         * errors.h (Errors::fallback): New function.
 814         * gold.cc (gold_exit): Change status parameter to enum; adjust
 815         all callers.
 816         (queue_initial_tasks): Call gold_fallback.
 817         * gold.h: Include cstdlib.
 818         (Exit_status): New enum type.
 819         (gold_exit): Change status parameter to enum.
 820         (gold_fallback): New function.
 821         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
 822         (Layout::create_symtab_sections): Likewise.
 823         (Layout::create_shdrs): Likewise.
 824         * main.cc (main): Adjust call to gold_exit.
 825         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
 826         (Output_data_got::add_got_entry_pair): Likewise.
 827         (Output_section::add_input_section): Likewise.
 828         (Output_section::add_output_section_data): Likewise.
 829         (Output_segment::set_section_list_addresses): Likewise.
 830         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
 831
 832 2011-06-07  Cary Coutant  <ccoutant@google.com>
 833
 834         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
 835         for incremental links.
 836         * output.cc (Output_segment::set_section_list_addresses): Remove
 837         FIXME and test for TLS or BSS.
 838
 839 2011-06-07  Cary Coutant  <ccoutant@google.com>
 840
 841         * testsuite/Makefile.am: Add incremental_copy_test,
 842         incremental_common_test_1.
 843         * testsuite/Makefile.in: Regenerate.
 844         * testsuite/common_test_1_v1.c: New source file.
 845         * testsuite/common_test_1_v2.c: New source file.
 846         * testsuite/copy_test_v1.cc: New source file.
 847
 848 2011-06-07  Cary Coutant  <ccoutant@google.com>
 849
 850         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
 851         update, allocate common from bss section's free list.
 852         * incremental-dump.cc (dump_incremental_inputs): Print flag for
 853         linker-defined symbols.
 854         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 855         Skip GOT and PLT entries that are no longer referenced.
 856         (Output_section_incremental_inputs::write_info_blocks): Mark
 857         linker-defined symbols.
 858         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
 859         * output.cc (Output_section::allocate): New function.
 860         * output.h (Output_section::allocate): New function.
 861         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
 862         linker-defined symbols.
 863         (Symbol::override_base_with_special): Copy is_predefined_ flag.
 864         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
 865         (Symbol::init_base_output_data): Likewise.
 866         (Symbol::init_base_output_segment): Likewise.
 867         (Symbol::init_base_constant): Likewise.
 868         (Sized_symbol::init_output_data): Likewise.
 869         (Sized_symbol::init_output_segment): Likewise.
 870         (Sized_symbol::init_constant): Likewise.
 871         (Symbol_table::do_define_in_output_data): Likewise.
 872         (Symbol_table::do_define_in_output_segment): Likewise.
 873         (Symbol_table::do_define_as_constant): Likewise.
 874         * symtab.h (Symbol::is_predefined): New function.
 875         (Symbol::init_base_output_data): Add is_predefined parameter.
 876         (Symbol::init_base_output_segment): Likewise.
 877         (Symbol::init_base_constant): Likewise.
 878         (Symbol::is_predefined_): New data member.
 879         (Sized_symbol::init_output_data): Add is_predefined parameter.
 880         (Sized_symbol::init_output_segment): Likewise.
 881         (Sized_symbol::init_constant): Likewise.
 882         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
 883
 884 2011-06-07  Cary Coutant  <ccoutant@google.com>
 885
 886         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
 887         instead of emit_copy_reloc.
 888         (Copy_relocs::emit_copy_reloc): Refactor.
 889         (Copy_relocs::make_copy_reloc): New function.
 890         (Copy_relocs::add_copy_reloc): Remove.
 891         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
 892         section.
 893         (Copy_relocs::make_copy_reloc): New function.
 894         (Copy_relocs::add_copy_reloc): Remove.
 895         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
 896         unchanged input files.
 897         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
 898         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
 899         Reserve BSS space for COPY relocations.
 900         (Sized_incremental_binary::do_emit_copy_relocs): New function.
 901         (Output_section_incremental_inputs::write_info_blocks): Record
 902         whether a symbol is copied from a shared object.
 903         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
 904         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
 905         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
 906         (Incremental_input_entry_reader::get_output_symbol_index): Add
 907         is_copy parameter.
 908         (Incremental_binary::emit_copy_relocs): New function.
 909         (Incremental_binary::do_emit_copy_relocs): New function.
 910         (Sized_incremental_binary::Sized_incremental_binary): Initialize
 911         new data member.
 912         (Sized_incremental_binary::add_copy_reloc): New function.
 913         (Sized_incremental_binary::do_emit_copy_relocs): New function.
 914         (Sized_incremental_binary::Copy_reloc): New struct.
 915         (Sized_incremental_binary::Copy_relocs): New typedef.
 916         (Sized_incremental_binary::copy_relocs_): New data member.
 917         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
 918         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
 919         * target.h (Sized_target::emit_copy_reloc): New function.
 920         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
 921
 922 2011-06-02  Cary Coutant  <ccoutant@google.com>
 923
 924         PR gold/12163
 925         * gold/archive.cc (Archive::Archive): Initialize new data member.
 926         (Archive::include_all_members): Return if archive has already been
 927         included.
 928         * gold/archive.h (Archive::include_all_members_): New data member.
 929
 930 2011-06-02  Nick Clifton  <nickc@redhat.com>
 931
 932         * dynobj.h: Fix spelling mistake in comment.
 933         * output.cc: Likewise.
 934
 935 2011-05-31  Doug Kwan  <dougkwan@google.com>
 936             Asier Llano
 937
 938         PR gold/12826
 939         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
 940         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
 941         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
 942         redundant arm_exidx_test.so.
 943         * testsuite/Makefile.in: Regenerate.
 944         (check_SCRIPTS): Add pr12826.sh
 945         (check_DATA): Add pr12826.stdout
 946         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
 947         * testsuite/pr12826.sh: New file.
 948         * testsuite/pr12826_1.s: Ditto.
 949         * testsuite/pr12826_1.s: Ditto.
 950
 951 2011-05-30  Ian Lance Taylor  <iant@google.com>
 952
 953         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
 954         sections.
 955
 956 2011-05-29  Ian Lance Taylor  <iant@google.com>
 957
 958         PR gold/12804
 959         * testsuite/Makefile.am: Use different file name for two_file_test
 960         temporary file for each incremental test.
 961         * testsuite/Makefile.in: Rebuild.
 962
 963 2011-05-29  Ian Lance Taylor  <iant@google.com>
 964
 965         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
 966         binary input file is empty.
 967
 968 2011-05-27  Ian Lance Taylor  <iant@google.com>
 969
 970         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
 971         (ver_test_9.so): Likewise.
 972         * testsuite/Makefile.in: Rebuild.
 973
 974 2011-05-26 Cary Coutant  <ccoutant@google.com>
 975
 976         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
 977         * incremental.cc (Incremental_inputs::report_input_section): Fix
 978         comment, indentation.
 979         (Incremental_inputs::report_comdat_group): New function.
 980         (Output_section_incremental_inputs::set_final_data_size): Adjust size
 981         of data for incremental input file entry.
 982         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
 983         group count, COMDAT group signatures.
 984         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
 985         an unchanged input file.
 986         * incremental.h (Incremental_object_entry::Incremental_object_entry):
 987         Initialize new data member.
 988         (Incremental_object_entry::add_comdat_group): New function.
 989         (Incremental_object_entry::get_comdat_group_count): New function.
 990         (Incremental_object_entry::get_comdat_signature_key): New function.
 991         (Incremental_object_entry::groups_): New data member.
 992         (Incremental_inputs::report_comdat_group): New function.
 993         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
 994         data for incremental input file entry.
 995         (Incremental_input_entry_reader::get_comdat_group_count): New function.
 996         (Incremental_input_entry_reader::get_input_section): Adjust size of
 997         data for incremental input file entry.
 998         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
 999         (Incremental_input_entry_reader::get_comdat_group_signature): New
1000         function.
1001         * object.cc (Sized_relobj::include_section_group): Report kept
1002         COMDAT groups for incremental links.
1003
1004 2011-05-24  David Meyer  <pdox@google.com>
1005
1006         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1007         with name parameter.  Add found_name parameter.
1008         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1009         * dirsearch.h (class Dirsearch): Update declaration.
1010
1011 2011-05-24  Ian Lance Taylor  <iant@google.com>
1012
1013         * archive.cc (Library_base::should_include_member): Pull in object
1014         from archive if it defines the entry symbol.
1015         * parameters.cc (Parameters::entry): New function.
1016         * parameters.h (class Parameters): Declare entry.
1017         * output.h (class Output_file_header): Remove entry_ field.
1018         * output.cc (Output_file_header::Output_file_header): Remove entry
1019         parameter.  Change all callers.
1020         (Output_file_header::entry): Use parameters->entry.
1021         * gold.cc (queue_middle_tasks): Likewise.
1022         * plugin.cc (Plugin_hook::run): Likewise.
1023
1024 2011-05-24 Cary Coutant  <ccoutant@google.com>
1025
1026         * gold.cc (queue_initial_tasks): Pass incremental base filename
1027         to Output_file::open_base_file; don't print error message.
1028         * incremental-dump.cc (main): Adjust call to
1029         Output_file::open_for_modification.
1030         * incremental-dump.cc (main): Likewise.
1031         * incremental.cc (Incremental_inputs::report_command_line):
1032         Ignore --incremental-base option when comparing command lines.
1033         Ignore parameter when given as separate argument.
1034         * options.h (class General_options): Add --incremental-base.
1035         * output.cc (Output_file::Output_file):
1036         (Output_file::open_base_file): Add base_name and writable parameters;
1037         read base file into new file; print error message here.
1038         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1039         callers.
1040         * output.h (Output_file::open_for_modification): Rename to...
1041         (Output_file::open_base_file): ...this; add base_name and
1042         writable parameters; adjust all callers.
1043         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1044         callers.
1045         * testsuite/Makefile.am (incremental_test_4): Test
1046         --incremental-base.
1047         * testsuite/Makefile.in: Regenerate.
1048
1049 2011-05-24 Cary Coutant  <ccoutant@google.com>
1050
1051         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1052         incremental_test_4.
1053         * testsuite/Makefile.in: Regenerate.
1054         * testsuite/two_file_test_1_v1.cc: New test source file.
1055         * testsuite/two_file_test_1b_v1.cc: New test source file.
1056         * testsuite/two_file_test_2_v1.cc: New test source file.
1057
1058 2011-05-24 Cary Coutant  <ccoutant@google.com>
1059
1060         * dynobj.h (Dynobj::do_dynobj): New function.
1061         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1062         flag and soname for shared objects.
1063         * incremental.cc (Incremental_inputs::report_object): Make
1064         either Incremental_object_entry or Incremental_dynobj_entry; add
1065         soname to string table.
1066         (Incremental_inputs::report_input_section): Add assertion.
1067         (Output_section_incremental_inputs::set_final_data_size): Adjust
1068         type of input file entry for shared libraries; adjust size of
1069         shared library info entry.
1070         (Output_section_incremental_inputs::write_input_files): Write
1071         as_needed flag for shared libraries.
1072         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1073         of input file entry for shared libraries; write soname.
1074         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1075         soname from incremental info.
1076         * incremental.h (enum Incremental_input_flags): Add
1077         INCREMENTAL_INPUT_AS_NEEDED.
1078         (Incremental_input_entry::Incremental_input_entry): Initialize new
1079         data member.
1080         (Incremental_input_entry::set_as_needed): New function.
1081         (Incremental_input_entry::as_needed): New function.
1082         (Incremental_input_entry::do_dynobj_entry): New function.
1083         (Incremental_input_entry::as_needed_): New data member.
1084         (Incremental_object_entry::Incremental_object_entry): Don't check
1085         for shared library.
1086         (Incremental_object_entry::do_type): Likewise.
1087         (class Incremental_dynobj_entry): New class.
1088         (Incremental_input_entry_reader::as_needed): New function.
1089         (Incremental_input_entry_reader::get_soname): New function.
1090         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1091         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1092         size of shared library info entry.
1093         * layout.cc (Layout::finish_dynamic_section): Don't test for
1094         incremental link when adding DT_NEEDED entries.
1095         * object.h (Object::Object): Initialize new data member.
1096         (Object::dynobj): New function.
1097         (Object::set_as_needed): New function.
1098         (Object::as_needed): New function.
1099         (Object::do_dynobj): New function.
1100         (Object::as_needed_): New data member.
1101
1102 2011-05-24 Cary Coutant  <ccoutant@google.com>
1103
1104         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1105         info; adjust display of GOT entries.
1106         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1107         vector of input objects; remove file_status_.
1108         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1109         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1110         got_plt reader; call target hooks to reserve GOT entries.
1111         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1112         of input file info header and GOT info entry.
1113         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1114         relocation info.
1115         (Got_plt_view_info::got_descriptor): Remove.
1116         (Got_plt_view_info::sym_index): New data member.
1117         (Got_plt_view_info::input_index): New data member.
1118         (Local_got_offset_visitor::visit): Write input file index.
1119         (Global_got_offset_visitor::visit): Write 0 for input file index.
1120         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1121         with sym_index and input_index.
1122         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1123         incremental info GOT entry; replace got_descriptor with input_index.
1124         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1125         map from input file index to object.
1126         (Sized_relobj_incr::do_layout): Replace direct data member reference
1127         with accessor function.
1128         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1129         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1130         Adjust size of input file info header.
1131         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1132         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1133         (Incremental_input_entry_reader::get_input_section): Adjust size of
1134         input file info header.
1135         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1136         of incremental info GOT entry.
1137         (Incremental_got_plt_reader::get_got_desc): Remove.
1138         (Incremental_got_plt_reader::get_got_symndx): New function.
1139         (Incremental_got_plt_reader::get_got_input_index): New function.
1140         (Sized_incremental_binary::Sized_incremental_binary): Remove
1141         file_status_; add input_objects_.
1142         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1143         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1144         (Sized_incremental_binary::file_is_unchanged): Remove.
1145         (Sized_incremental_binary::set_input_object): New function.
1146         (Sized_incremental_binary::input_object): New function.
1147         (Sized_incremental_binary::file_status_): Remove.
1148         (Sized_incremental_binary::input_objects_): New data member.
1149         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1150         references.
1151         (Sized_relobj_incr::invalid_address): Move to base class.
1152         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1153         class.
1154         (Sized_relobj_incr::do_output_section_offset): Likewise.
1155         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1156         (Sized_relobj_incr::section_offsets_): Likewise.
1157         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1158         function.
1159         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1160         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1161         with accessor function.
1162         (Sized_relobj_file::do_layout): Likewise.
1163         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1164         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1165         (Sized_relobj_file::compute_final_local_value): Replace refs to
1166         section_offsets_ with accessor function.
1167         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1168         * object.h (Relobj::Relobj): Initialize new data members.
1169         (Relobj::add_dyn_reloc): New function.
1170         (Relobj::first_dyn_reloc): New function.
1171         (Relobj::dyn_reloc_count): New function.
1172         (Relobj::first_dyn_reloc_): New data member.
1173         (Relobj::dyn_reloc_count_): New data member.
1174         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1175         references.
1176         (Sized_relobj::Address): New typedef.
1177         (Sized_relobj::invalid_address): Move here from child class.
1178         (Sized_relobj::Sized_relobj): Initialize new data members.
1179         (Sized_relobj::sized_relobj): New function.
1180         (Sized_relobj::is_output_section_offset_invalid): Move here from
1181         child class.
1182         (Sized_relobj::get_output_section_offset): Likewise.
1183         (Sized_relobj::local_has_got_offset): Likewise.
1184         (Sized_relobj::local_got_offset): Likewise.
1185         (Sized_relobj::set_local_got_offset): Likewise.
1186         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1187         (Sized_relobj::clear_got_offsets): New function.
1188         (Sized_relobj::section_offsets): Move here from child class.
1189         (Sized_relobj::do_output_section_offset): Likewise.
1190         (Sized_relobj::do_set_section_offset): Likewise.
1191         (Sized_relobj::Local_got_offsets): Likewise.
1192         (Sized_relobj::local_got_offsets_): Likewise.
1193         (Sized_relobj::section_offsets_): Likewise.
1194         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1195         references.
1196         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1197         class.
1198         (Sized_relobj_file::sized_relobj): New function
1199         (Sized_relobj_file::local_has_got_offset): Move to base class.
1200         (Sized_relobj_file::local_got_offset): Likewise.
1201         (Sized_relobj_file::set_local_got_offset): Likewise.
1202         (Sized_relobj_file::get_output_section_offset): Likewise.
1203         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1204         (Sized_relobj_file::do_output_section_offset): Likewise.
1205         (Sized_relobj_file::do_set_section_offset): Likewise.
1206         (Sized_relobj_file::Local_got_offsets): Likewise.
1207         (Sized_relobj_file::local_got_offsets_): Likewise.
1208         (Sized_relobj_file::section_offsets_): Likewise.
1209         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1210         (all constructors).
1211         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1212         (Output_reloc::get_symbol_index): Likewise.
1213         (Output_reloc::local_section_offset): Likewise.
1214         (Output_reloc::get_address): Likewise.
1215         (Output_reloc::symbol_value): Likewise.
1216         (Output_data_got::reserve_slot): Move to class definition.
1217         (Output_data_got::reserve_local): New function.
1218         (Output_data_got::reserve_slot_for_global): Remove.
1219         (Output_data_got::reserve_global): New function.
1220         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1221         (all constructors, two instantiations).
1222         (Output_reloc::get_relobj): New function (two instantiations).
1223         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1224         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1225         (Output_data_reloc::add_global): Adjust type of relobj.
1226         (Output_data_reloc::add_global_relative): Likewise.
1227         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1228         (Output_data_reloc::add_local): Likewise.
1229         (Output_data_reloc::add_local_relative): Likewise.
1230         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1231         (Output_data_reloc::add_local_section): Likewise.
1232         (Output_data_reloc::add_output_section): Likewise.
1233         (Output_data_reloc::add_absolute): Likewise.
1234         (Output_data_reloc::add_target_specific): Likewise.
1235         (Output_data_got::reserve_slot): Move definition here.
1236         (Output_data_got::reserve_local): New function.
1237         (Output_data_got::reserve_global): New function.
1238         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1239         section_offsets_ with accessor function.
1240         (Sized_relobj_file::write_sections): Likewise.
1241         (Sized_relobj_file::do_relocate_sections): Likewise.
1242         * target.h (Sized_target::reserve_local_got_entry): New function.
1243         (Sized_target::reserve_global_got_entry): New function.
1244         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1245         (Target_x86_64::reserve_global_got_entry): New function.
1246         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1247
1248 2011-05-23 Cary Coutant  <ccoutant@google.com>
1249
1250         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1251         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1252         bit when checking got_type.
1253         * incremental.cc (Sized_incremental_binary::setup_readers):
1254         Store symbol table and string table locations; initialize bit vector
1255         of file status flags.
1256         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1257         unchanged files.
1258         (Sized_incremental_binary::do_process_got_plt): New function.
1259         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1260         (Output_section_incremental_inputs::set_final_data_size): Record
1261         file index for each input file.
1262         (Output_section_incremental_inputs::write_got_plt): Store file index
1263         instead of input entry offset for each GOT entry.
1264         * incremental.h
1265         (Incremental_input_entry::Incremental_input_entry): Initialize new
1266         data member.
1267         (Incremental_input_entry::set_offset): Store file index.
1268         (Incremental_input_entry::get_file_index): New function.
1269         (Incremental_input_entry::file_index_): New data member.
1270         (Incremental_binary::process_got_plt): New function.
1271         (Incremental_binary::do_process_got_plt): New function.
1272         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1273         data members.
1274         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1275         (Sized_incremental_binary::set_file_is_unchanged): New function.
1276         (Sized_incremental_binary::file_is_unchanged): New function.
1277         (Sized_incremental_binary::do_process_got_plt): New function.
1278         (Sized_incremental_binary::file_status_): New data member.
1279         (Sized_incremental_binary::main_symtab_loc_): New data member.
1280         (Sized_incremental_binary::main_strtab_loc_): New data member.
1281         * output.cc (Output_data_got::Got_entry::write): Add case
1282         RESERVED_CODE.
1283         (Output_data_got::add_global): Call add_got_entry.
1284         (Output_data_got::add_global_plt): Likewise.
1285         (Output_data_got::add_global_with_rel): Likewise.
1286         (Output_data_got::add_global_with_rela): Likewise.
1287         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1288         (Output_data_got::add_global_pair_with_rela): Likewise.
1289         (Output_data_got::add_local): Call add_got_entry.
1290         (Output_data_got::add_local_plt): Likewise.
1291         (Output_data_got::add_local_with_rel): Likewise.
1292         (Output_data_got::add_local_with_rela): Likewise.
1293         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1294         (Output_data_got::add_local_pair_with_rela): Likewise.
1295         (Output_data_got::reserve_slot): New function.
1296         (Output_data_got::reserve_slot_for_global): New function.
1297         (Output_data_got::add_got_entry): New function.
1298         (Output_data_got::add_got_entry_pair): New function.
1299         (Output_section::add_output_section_data): Edit FIXME.
1300         * output.h
1301         (Output_section_data_build::Output_section_data_build): New
1302         constructor with size parameter.
1303         (Output_data_space::Output_data_space): Likewise.
1304         (Output_data_got::Output_data_got): Initialize new data member; new
1305         constructor with size parameter.
1306         (Output_data_got::add_constant): Call add_got_entry.
1307         (Output_data_got::reserve_slot): New function.
1308         (Output_data_got::reserve_slot_for_global): New function.
1309         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1310         (Output_data_got::add_got_entry): New function.
1311         (Output_data_got::add_got_entry_pair): New function.
1312         (Output_data_got::free_list_): New data member.
1313         * target.h (Sized_target::init_got_plt_for_update): New function.
1314         (Sized_target::register_global_plt_entry): New function.
1315         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1316         Initialize new data member; call init; add constructor with PLT count.
1317         (Output_data_plt_x86_64::init): New function.
1318         (Output_data_plt_x86_64::add_relocation): New function.
1319         (Output_data_plt_x86_64::reserve_slot): New function.
1320         (Output_data_plt_x86_64::free_list_): New data member.
1321         (Target_x86_64::init_got_plt_for_update): New function.
1322         (Target_x86_64::register_global_plt_entry): New function.
1323         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1324         incremental updates.
1325         (Output_data_plt_x86_64::add_relocation): New function.
1326         * testsuite/object_unittest.cc (Object_test): Set default options.
1327
1328 2011-05-16  Ian Lance Taylor  <iant@google.com>
1329
1330         * options.h (class General_options): Make -i a synonym for -r.
1331
1332 2011-05-16  Ian Lance Taylor  <iant@google.com>
1333
1334         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1335
1336 2011-05-10 Cary Coutant  <ccoutant@google.com>
1337
1338         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1339         strip_all (-s).
1340
1341 2011-05-06  Ian Lance Taylor  <iant@google.com>
1342
1343         * layout.cc (Layout::layout): If the output section flags change,
1344         update the ordering.
1345
1346 2011-04-25 Cary Coutant  <ccoutant@google.com>
1347
1348         * incremental-dump.cc (dump_incremental_inputs): Print local
1349         symbol info for each input file.
1350         * incremental.cc
1351         (Output_section_incremental_inputs::set_final_data_size): Add local
1352         symbol info to input file entries in incremental info.
1353         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1354         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1355         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1356         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1357         implementation.
1358         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1359         (Sized_incr_relobj::do_relocate): Write the local symbols.
1360         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1361         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1362         Adjust size of input file header.
1363         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1364         (Incremental_inputs_reader::get_local_symbol_count): New function.
1365         (Incremental_inputs_reader::get_input_section): Adjust size of input
1366         file header.
1367         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1368         (Sized_incr_relobj::This): New typedef.
1369         (Sized_incr_relobj::sym_size): New const data member.
1370         (Sized_incr_relobj::Local_symbol): New struct.
1371         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1372         (Sized_incr_relobj::do_local_symbol_offset): New function.
1373         (Sized_incr_relobj::local_symbol_count_): New data member.
1374         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1375         (Sized_incr_relobj::local_symbol_index_): New data member.
1376         (Sized_incr_relobj::local_symbol_offset_): New data member.
1377         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1378         (Sized_incr_relobj::local_symbols_): New data member.
1379         * object.h (Relobj::output_local_symbol_count): New function.
1380         (Relobj::local_symbol_offset): New function.
1381         (Relobj::do_output_local_symbol_count): New function.
1382         (Relobj::do_local_symbol_offset): New function.
1383         (Sized_relobj::do_output_local_symbol_count): New function.
1384         (Sized_relobj::do_local_symbol_offset): New function.
1385
1386 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1387
1388         * descriptors.cc (set_close_on_exec): New function.
1389         (Descriptors::open): Use set_close_on_exec.
1390         * output.cc (S_ISLNK): Define if not defined.
1391
1392 2011-04-22 Cary Coutant  <ccoutant@google.com>
1393
1394         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1395         global symbol map.
1396         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1397         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1398         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1399         relocations.
1400         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1401         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1402         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1403         * incremental.h
1404         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1405         function.
1406         (Incremental_binary::apply_incremental_relocs): New function.
1407         (Incremental_binary::do_apply_incremental_relocs): New function.
1408         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1409         data member.
1410         (Sized_incremental_binary::add_global_symbol): New function.
1411         (Sized_incremental_binary::global_symbol): New function.
1412         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1413         (Sized_incremental_binary::symbol_map_): New data member.
1414         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1415         * target.h (Sized_target::apply_relocation): New function.
1416         * target-reloc.h (apply_relocation): New function.
1417         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1418
1419 2011-04-22  Doug Kwan  <dougkwan@google.com>
1420
1421         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1422         flag of a SHT_ARM_EXIDX section.
1423         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1424         * testsuite/Makefile.in: Regenerate.
1425         * testsuite/arm_exidx_test.s: New file.
1426         * testsuite/arm_exidx_test.sh: Same.
1427
1428 2011-04-20 Cary Coutant  <ccoutant@google.com>
1429
1430         PR gold/12689
1431         * archive.h (Incremental_archive_entry::Archive_member):
1432         Initialize arg_serial_ (second constructor).
1433
1434 2011-04-17  Ian Lance Taylor  <iant@google.com>
1435
1436         * object.cc (Relocate_info::location): Simplify location string.
1437         * errors.cc (Errors::error_at_location): Don't print program
1438         name.
1439         (Errors::warning_at_location): Likewise.
1440         (Errors::undefined_symbol): Likewise.
1441         * testsuite/debug_msg.sh: Update accordingly.
1442
1443 2011-04-14 Cary Coutant  <ccoutant@google.com>
1444
1445         * gold/layout.cc (Layout::symtab_section_offset): New function.
1446         * gold/layout.h (Layout::symtab_section_offset): New function.
1447         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1448
1449 2011-04-12  Ian Lance Taylor  <iant@google.com>
1450
1451         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1452         with MREMAP_MAYMOVE.
1453         * output.h (class Output_file): Add map_is_allocated_ field.
1454         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1455         not available, provide stubs.  If mremap is not available, #define
1456         it to gold_mremap.
1457         (MREMAP_MAYMOVE): Define if not defined.
1458         (Output_file::Output_file): Initialize map_is_allocated_.
1459         (Output_file::resize): Check map_is_allocated_.
1460         (Output_file::map_anonymous): If mmap fails, use malloc.
1461         (Output_file::unmap): Don't do anything for an anonymous map.
1462         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1463         is not available, provide stubs.
1464         (File_read::View::~View): Use free rather than delete[].
1465         (File_read::make_view): Use malloc rather than new[].  If mmap
1466         fails, use malloc.
1467         (File_read::find_or_make_view): Use malloc rather than new[].
1468         * gold.h: Remove HAVE_REMAP code.
1469         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1470         exists.  Rename mremap to gold_mremap.  If mmap is not available
1471         don't do anything.
1472         * configure, config.in: Rebuild.
1473
1474 2011-04-11  Ian Lance Taylor  <iant@google.com>
1475
1476         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1477         initialize local variable v.
1478
1479 2011-04-11  Cary Coutant  <ccoutant@google.com>
1480
1481         * archive.cc (Archive::include_member): Adjust call to
1482         report_object.
1483         (Add_archive_symbols::run): Track argument serial numbers.
1484         (Lib_group::include_member): Likewise.
1485         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1486         * archive.h (Incremental_archive_entry::Archive_member):
1487         Initialize arg_serial_.
1488         (Archive_member::arg_serial_): New data member.
1489         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1490         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1491         incremental link.
1492         (Sized_dynobj::do_for_all_local_got_entries): New function.
1493         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1494         function.
1495         * fileread.cc (get_mtime): New function.
1496         * fileread.h (get_mtime): New function.
1497         * gold.cc (queue_initial_tasks): Check for incremental update.
1498         (process_incremental_input): New function.
1499         (queue_middle_tasks): Don't force valid target for incremental
1500         update.
1501         * incremental-dump.cc (find_input_containing_global): Adjust
1502         size of symbol info entry.
1503         (dump_incremental_inputs): Dump argument serial number and
1504         in_system_directory flag; bias shndx by 1; print symbol names
1505         when dumping per-file symbol lists; use new symbol info readers.
1506         * incremental.cc
1507         (Output_section_incremental_inputs:update_data_size): New function.
1508         (Sized_incremental_binary::setup_readers): Setup input readers
1509         for each input file; build maps for files added from libraries
1510         and scripts.
1511         (Sized_incremental_binary::check_input_args): New function.
1512         (Sized_incremental_binary::do_check_inputs): Build map of argument
1513         serial numbers to input arguments.
1514         (Sized_incremental_binary::do_file_has_changed): Rename
1515         do_file_is_unchanged to this; compare file modification times.
1516         (Sized_incremental_binary::do_init_layout): New function.
1517         (Sized_incremental_binary::do_reserve_layout): New function.
1518         (Sized_incremental_binary::do_get_input_reader): Remove.
1519         (Sized_incremental_binary::get_symtab_view): New function.
1520         (Incremental_checker::can_incrementally_link_output_file): Remove.
1521         (Incremental_inputs::report_command_line): Exclude --debug options.
1522         (Incremental_inputs::report_archive_begin): Add parameter; track
1523         argument serial numbers; don't put input file entry for archive
1524         before archive members.
1525         (Incremental_inputs::report_archive_end): Put input file entry
1526         for archive after archive members.
1527         (Incremental_inputs::report_object): Add parameter; track argument
1528         serial numbers and in_system_directory flag.
1529         (Incremental_inputs::report_script): Add parameter; track argument
1530         serial numbers.
1531         (Output_section_incremental_inputs::set_final_data_size): Adjust
1532         size of symbol info entry; check for forwarding symbols.
1533         (Output_section_incremental_inputs::write_input_files): Write
1534         in_system_directory flag and argument serial number.
1535         (Output_section_incremental_inputs::write_info_blocks): Map section
1536         indices between incremental info and original input file; store
1537         input section index for each symbol.
1538         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1539         change operator() to visit().
1540         (class Global_got_offset_visitor): Likewise.
1541         (class Global_symbol_visitor_got_plt):
1542         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1543         classes.
1544         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1545         (Sized_incr_relobj::do_read_symbols): New function.
1546         (Sized_incr_relobj::do_layout): New function.
1547         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1548         (Sized_incr_relobj::do_add_symbols): New function.
1549         (Sized_incr_relobj::do_should_include_member): New function.
1550         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1551         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1552         (Sized_incr_relobj::do_section_size): New function.
1553         (Sized_incr_relobj::do_section_name): New function.
1554         (Sized_incr_relobj::do_section_contents): New function.
1555         (Sized_incr_relobj::do_section_flags): New function.
1556         (Sized_incr_relobj::do_section_entsize): New function.
1557         (Sized_incr_relobj::do_section_address): New function.
1558         (Sized_incr_relobj::do_section_type): New function.
1559         (Sized_incr_relobj::do_section_link): New function.
1560         (Sized_incr_relobj::do_section_info): New function.
1561         (Sized_incr_relobj::do_section_addralign): New function.
1562         (Sized_incr_relobj::do_initialize_xindex): New function.
1563         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1564         (Sized_incr_relobj::do_read_relocs): New function.
1565         (Sized_incr_relobj::do_gc_process_relocs): New function.
1566         (Sized_incr_relobj::do_scan_relocs): New function.
1567         (Sized_incr_relobj::do_count_local_symbols): New function.
1568         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1569         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1570         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1571         (Sized_incr_relobj::do_relocate): New function.
1572         (Sized_incr_relobj::do_set_section_offset): New function.
1573         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1574         (Sized_incr_dynobj::do_read_symbols): New function.
1575         (Sized_incr_dynobj::do_layout): New function.
1576         (Sized_incr_dynobj::do_add_symbols): New function.
1577         (Sized_incr_dynobj::do_should_include_member): New function.
1578         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1579         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1580         (Sized_incr_dynobj::do_section_size): New function.
1581         (Sized_incr_dynobj::do_section_name): New function.
1582         (Sized_incr_dynobj::do_section_contents): New function.
1583         (Sized_incr_dynobj::do_section_flags): New function.
1584         (Sized_incr_dynobj::do_section_entsize): New function.
1585         (Sized_incr_dynobj::do_section_address): New function.
1586         (Sized_incr_dynobj::do_section_type): New function.
1587         (Sized_incr_dynobj::do_section_link): New function.
1588         (Sized_incr_dynobj::do_section_info): New function.
1589         (Sized_incr_dynobj::do_section_addralign): New function.
1590         (Sized_incr_dynobj::do_initialize_xindex): New function.
1591         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1592         (make_sized_incremental_object): New function.
1593         (Incremental_library::copy_unused_symbols): New function.
1594         (Incremental_library::do_for_all_unused_symbols): New function.
1595         * incremental.h (enum Incremental_input_flags): New type.
1596         (class Incremental_checker): Remove.
1597         (Incremental_input_entry::Incremental_input_entry): Add argument
1598         serial number.
1599         (Incremental_input_entry::arg_serial): New function.
1600         (Incremental_input_entry::set_is_in_system_directory): New function.
1601         (Incremental_input_entry::is_in_system_directory): New function.
1602         (Incremental_input_entry::arg_serial_): New data member.
1603         (Incremental_input_entry::is_in_system_directory_): New data member.
1604         (class Script_info): Move here from script.h.
1605         (Script_info::Script_info): Add filename parameter.
1606         (Script_info::filename): New function.
1607         (Script_info::filename_): New data member.
1608         (Incremental_script_entry::Incremental_script_entry): Add argument
1609         serial number.
1610         (Incremental_object_entry::Incremental_object_entry): Likewise.
1611         (Incremental_object_entry::add_input_section): Build list of input
1612         sections with map to original shndx.
1613         (Incremental_object_entry::get_input_section_index): New function.
1614         (Incremental_object_entry::shndx_): New data member.
1615         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1616         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1617         (Incremental_archive_entry::Incremental_archive_entry): Add argument
1618         serial number.
1619         (Incremental_inputs::report_archive_begin): Likewise.
1620         (Incremental_inputs::report_object): Likewise.
1621         (Incremental_inputs::report_script): Likewise.
1622         (class Incremental_global_symbol_reader): New class.
1623         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1624         and store flags and input file type.
1625         (Incremental_input_entry_reader::arg_serial): New function.
1626         (Incremental_input_entry_reader::type): Extract type from flags.
1627         (Incremental_input_entry_reader::is_in_system_directory): New function.
1628         (Incremental_input_entry_reader::get_input_section_count): Call
1629         accessor function for type.
1630         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1631         function for type; adjust size of global symbol entry.
1632         (Incremental_input_entry_reader::get_global_symbol_count): Call
1633         accessor function for type.
1634         (Incremental_input_entry_reader::get_object_count): Likewise.
1635         (Incremental_input_entry_reader::get_object_offset): Likewise.
1636         (Incremental_input_entry_reader::get_member_count): Likewise.
1637         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1638         (Incremental_input_entry_reader::get_member_offset): Likewise.
1639         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1640         (Incremental_input_entry_reader::Global_symbol_info): Remove.
1641         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1642         (Incremental_input_entry_reader::get_global_symbol_reader): New
1643         function.
1644         (Incremental_input_entry_reader::get_output_symbol_index): New
1645         function.
1646         (Incremental_input_entry_reader::type_): Remove.
1647         (Incremental_input_entry_reader::flags_): New data member.
1648         (Incremental_inputs_reader::input_file_offset): New function.
1649         (Incremental_inputs_reader::input_file_index): New function.
1650         (Incremental_inputs_reader::input_file): Call input_file_offset.
1651         (Incremental_inputs_reader::input_file_at_offset): New function.
1652         (Incremental_relocs_reader::get_r_type): Reformat.
1653         (Incremental_relocs_reader::get_r_shndx): Reformat.
1654         (Incremental_relocs_reader::get_r_offset): Reformat.
1655         (Incremental_relocs_reader::data): New function.
1656         (Incremental_binary::Incremental_binary): Initialize new data members.
1657         (Incremental_binary::check_inputs): Add cmdline parameter.
1658         (Incremental_binary::file_is_unchanged): Remove.
1659         (Input_reader::arg_serial): New function.
1660         (Input_reader::get_unused_symbol_count): New function.
1661         (Input_reader::get_unused_symbol): New function.
1662         (Input_reader::do_arg_serial): New function.
1663         (Input_reader::do_get_unused_symbol_count): New function.
1664         (Input_reader::do_get_unused_symbol): New function.
1665         (Incremental_binary::input_file_count): New function.
1666         (Incremental_binary::get_input_reader): Change signature to use
1667         index instead of filename.
1668         (Incremental_binary::file_has_changed): New function.
1669         (Incremental_binary::get_input_argument): New function.
1670         (Incremental_binary::get_library): New function.
1671         (Incremental_binary::get_script_info): New function.
1672         (Incremental_binary::init_layout): New function.
1673         (Incremental_binary::reserve_layout): New function.
1674         (Incremental_binary::output_file): New function.
1675         (Incremental_binary::do_check_inputs): New function.
1676         (Incremental_binary::do_file_is_unchanged): Remove.
1677         (Incremental_binary::do_file_has_changed): New function.
1678         (Incremental_binary::do_init_layout): New function.
1679         (Incremental_binary::do_reserve_layout): New function.
1680         (Incremental_binary::do_input_file_count): New function.
1681         (Incremental_binary::do_get_input_reader): Change signature.
1682         (Incremental_binary::input_args_map_): New data member.
1683         (Incremental_binary::library_map_): New data member.
1684         (Incremental_binary::script_map_): New data member.
1685         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1686         new data members.
1687         (Sized_incremental_binary::output_section): New function.
1688         (Sized_incremental_binary::inputs_reader): Add const.
1689         (Sized_incremental_binary::symtab_reader): Add const.
1690         (Sized_incremental_binary::relocs_reader): Add const.
1691         (Sized_incremental_binary::got_plt_reader): Add const.
1692         (Sized_incremental_binary::get_symtab_view): New function.
1693         (Sized_incremental_binary::Inputs_reader): New typedef.
1694         (Sized_incremental_binary::Input_entry_reader): New typedef.
1695         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
1696         (Sized_incremental_binary::do_file_is_unchanged): Remove.
1697         (Sized_incremental_binary::do_file_has_changed): New function.
1698         (Sized_incremental_binary::do_init_layout): New function.
1699         (Sized_incremental_binary::do_reserve_layout): New function.
1700         (Sized_input_reader::Inputs_reader): Remove.
1701         (Sized_input_reader::Input_entry_reader): Remove.
1702         (Sized_input_reader::do_arg_serial): New function.
1703         (Sized_input_reader::do_get_unused_symbol_count): New function.
1704         (Sized_input_reader::do_get_unused_symbol): New function.
1705         (Sized_incremental_binary::do_input_file_count): New function.
1706         (Sized_incremental_binary::do_get_input_reader): Change signature;
1707         use index instead of filename.
1708         (Sized_incremental_binary::section_map_): New data member.
1709         (Sized_incremental_binary::input_entry_readers_): New data member.
1710         (class Sized_incr_relobj): New class.
1711         (class Sized_incr_dynobj): New class.
1712         (make_sized_incremental_object): New function.
1713         (class Incremental_library): New class.
1714         * layout.cc (Free_list::num_lists): New static data member.
1715         (Free_list::num_nodes): New static data member.
1716         (Free_list::num_removes): New static data member.
1717         (Free_list::num_remove_visits): New static data member.
1718         (Free_list::num_allocates): New static data member.
1719         (Free_list::num_allocate_visits): New static data member.
1720         (Free_list::init): New function.
1721         (Free_list::remove): New function.
1722         (Free_list::allocate): New function.
1723         (Free_list::dump): New function.
1724         (Free_list::print_stats): New function.
1725         (Layout_task_runner::run): Resize output file for incremental updates.
1726         (Layout::Layout): Initialize new data members.
1727         (Layout::set_incremental_base): New function.
1728         (Layout::init_fixed_output_section): New function.
1729         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
1730         incremental updates.
1731         (Layout::create_gold_note): Do not create gold note section for
1732         incremental updates.
1733         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
1734         for incremental updates.
1735         (Layout::set_section_offsets): For incremental updates, allocate space
1736         from free list.
1737         (Layout::create_symtab_sections): Layout with offsets relative to
1738         start of section; for incremental updates, allocate space from free
1739         list.
1740         (Layout::create_shdrs): For incremental updates, allocate space from
1741         free list.
1742         (Layout::finish_dynamic_section): For incremental updates, do not
1743         check --as-needed (fixed in subsequent patch).
1744         * layout.h (class Free_list): New class.
1745         (Layout::set_incremental_base): New function.
1746         (Layout::incremental_base): New function.
1747         (Layout::init_fixed_output_section): New function.
1748         (Layout::allocate): New function.
1749         (Layout::incremental_base_): New data member.
1750         (Layout::free_list_): New data member.
1751         * main.cc (main): Print Free_list statistics.
1752         * object.cc (Relobj::finalize_incremental_relocs): Add
1753         clear_counts parameter; clear counts only when clear_counts is set.
1754         (Sized_relobj::Sized_relobj): Initialize new base class.
1755         (Sized_relobj::do_layout): Don't report special sections.
1756         (Sized_relobj::do_for_all_local_got_entries): New function.
1757         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
1758         symtab_off to all symbol table offsets.
1759         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
1760         * object.h (class Got_offset_list): Move to top of file.
1761         (Object::Object): Allow case where input_file == NULL.
1762         (Object::~Object): Likewise.
1763         (Object::input_file): Assert that input_file != NULL.
1764         (Object::lock): Allow case where input_file == NULL.
1765         (Object::unlock): Likewise.
1766         (Object::is_locked): Likewise.
1767         (Object::token): Likewise.
1768         (Object::release): Likewise.
1769         (Object::is_incremental): New function.
1770         (Object::get_mtime): New function.
1771         (Object::for_all_local_got_entries): New function.
1772         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
1773         (Object::set_is_in_system_directory): New function.
1774         (Object::is_in_system_directory): New function.
1775         (Object::do_is_incremental): New function.
1776         (Object::do_get_mtime): New function.
1777         (Object::do_for_all_local_got_entries): New function.
1778         (Object::is_in_system_directory_): New data member.
1779         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
1780         (class Sized_relobj_base): New class.
1781         (class Sized_relobj): Derive from Sized_relobj_base.
1782         (class Sized_relobj::Symbols): Redeclare from base class.
1783         (class Sized_relobj::local_got_offset_list): Remove.
1784         (class Sized_relobj::Output_sections): Redeclare from base class.
1785         (class Sized_relobj::do_for_all_local_got_entries): New function.
1786         (class Sized_relobj::write_local_symbols): Add offset parameter.
1787         (class Sized_relobj::local_symbol_offset_): Update comment.
1788         (class Sized_relobj::local_dynsym_offset_): Update comment.
1789         * options.cc (Input_arguments::add_file): Remove const.
1790         * options.h (Input_file_argument::Input_file_argument):
1791         Initialize arg_serial_ (all constructors).
1792         (Input_file_argument::set_arg_serial): New function.
1793         (Input_file_argument::arg_serial): New function.
1794         (Input_file_argument::arg_serial_): New data member.
1795         (Input_arguments::Input_arguments): Initialize file_count_.
1796         (Input_arguments::add_file): Remove const.
1797         (Input_arguments::number_of_input_files): New function.
1798         (Input_arguments::file_count_): New data member.
1799         (Command_line::number_of_input_files): Call
1800         Input_arguments::number_of_input_files.
1801         * output.cc (Output_segment_headers::Output_segment_headers):
1802         Set current size.
1803         (Output_section::Input_section::current_data_size): New function.
1804         (Output_section::Output_section): Initialize new data members.
1805         (Output_section::add_input_section): Don't do merge sections for
1806         an incremental link; allocate space from free list for an
1807         incremental update.
1808         (Output_section::add_output_section_data): Allocate space from
1809         free list for an incremental update.
1810         (Output_section::update_data_size): New function.
1811         (Output_section::set_fixed_layout): New function.
1812         (Output_section::reserve): New function.
1813         (Output_segment::set_section_addresses): Remove const.
1814         (Output_segment::set_section_list_addresses): Remove const; allocate
1815         space from free list for an incremental update.
1816         (Output_segment::set_offset): Adjust size of RELRO segment for an
1817         incremental update.
1818         * output.h (Output_data::current_data_size): Move here from
1819         child classes.
1820         (Output_data::pre_finalize_data_size): New function.
1821         (Output_data::update_data_size): New function.
1822         (Output_section_headers::update_data_size): new function.
1823         (Output_section_data_build::current_data_size): Move to Output_data.
1824         (Output_data_strtab::update_data_size): New function.
1825         (Output_section::current_data_size): Move to Output_data.
1826         (Output_section::set_fixed_layout): New function.
1827         (Output_section::has_fixed_layout): New function.
1828         (Output_section::reserve): New function.
1829         (Output_section::update_data_size): New function.
1830         (Output_section::has_fixed_layout_): New data member.
1831         (Output_section::free_list_): New data member.
1832         (Output_segment::set_section_addresses): Remove const.
1833         (Output_segment::set_section_list_addresses): Remove const.
1834         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
1835         New function.
1836         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
1837         New function.
1838         * readsyms.cc (Read_symbols::do_read_symbols): Add library
1839         parameter when calling Add_symbols constructor; store argument
1840         serial number for members of a lib group.
1841         (Add_symbols::locks): Allow case where token == NULL.
1842         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
1843         (Read_member::~Read_member): New function.
1844         (Read_member::is_runnable): New function.
1845         (Read_member::locks): New function.
1846         (Read_member::run): New function.
1847         (Check_script::~Check_script): New function.
1848         (Check_script::is_runnable): New function.
1849         (Check_script::locks): New function.
1850         (Check_script::run): New function.
1851         (Check_library::~Check_library): New function.
1852         (Check_library::is_runnable): New function.
1853         (Check_library::locks): New function.
1854         (Check_library::run): New function.
1855         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
1856         (Add_symbols::library_): New data member.
1857         (class Read_member): New class.
1858         (class Check_script): New class.
1859         (class Check_library): New class.
1860         * reloc.cc (Read_relocs::is_runnable): Allow case where
1861         token == NULL.
1862         (Read_relocs::locks): Likewise.
1863         (Scan_relocs::locks): Likewise.
1864         (Relocate_task::locks): Likewise.
1865         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
1866         to clear counters.
1867         (Sized_relobj::incremental_relocs_scan): Fix comment.
1868         (Sized_relobj::do_relocate): Pass output file offset to
1869         write_local_symbols.
1870         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
1871         from class declaration.
1872         * script.cc (read_input_script): Allocate Script_info; pass
1873         argument serial number to report_script.
1874         * script.h (class Script_info): Move to incremental.h.
1875         * symtab.cc (Symbol_table::add_from_incrobj): New function.
1876         * symtab.h (Symbol_table::add_from_incrobj): New function.
1877         (Symbol_table::set_file_offset): New function.
1878
1879 2011-04-05  Cary Coutant  <ccoutant@google.com>
1880
1881         * incremental-dump.cc (dump_incremental_inputs): Change signature
1882         to take a Sized_incremental_binary; change caller.  Use readers
1883         in Sized_incremental_binary.
1884         * incremental.cc
1885         (Sized_incremental_binary::find_incremental_inputs_sections):
1886         Rename do_find_incremental_inputs_sections to this.
1887         (Sized_incremental_binary::setup_readers): New function.
1888         (Sized_incremental_binary::do_check_inputs): Check
1889         has_incremental_info_ flag; move setup code to setup_readers;
1890         use input readers.
1891         (Sized_incremental_binary::do_file_is_unchanged): New function.
1892         (Sized_incremental_binary::do_get_input_reader): New function.
1893         * incremental.h (class Incremental_binary): Move to end of file.
1894         (Incremental_binary::file_is_unchanged): New function.
1895         (Incremental_binary::do_file_is_unchanged): New function.
1896         (Incremental_binary::Input_reader): New class.
1897         (Incremental_binary::get_input_reader): New function.
1898         (class Sized_incremental_binary): Move to end of file.
1899         (Sized_incremental_binary::Sized_incremental_binary): Setup the
1900         input section reader classes.
1901         (Sized_incremental_binary::has_incremental_info): New function.
1902         (Sized_incremental_binary::inputs_reader): New function.
1903         (Sized_incremental_binary::symtab_reader): New function.
1904         (Sized_incremental_binary::relocs_reader): New function.
1905         (Sized_incremental_binary::got_plt_reader): New function.
1906         (Sized_incremental_binary::do_file_is_unchanged): New function.
1907         (Sized_incremental_binary::Sized_input_reader): New class.
1908         (Sized_incremental_binary::get_input_reader): New function.
1909         (Sized_incremental_binary::find_incremental_inputs_sections):
1910         Rename do_find_incremental_inputs_sections to this.
1911         (Sized_incremental_binary::setup_readers): New function.
1912         (Sized_incremental_binary::has_incremental_info_): New data member.
1913         (Sized_incremental_binary::inputs_reader_): New data member.
1914         (Sized_incremental_binary::symtab_reader_): New data member.
1915         (Sized_incremental_binary::relocs_reader_): New data member.
1916         (Sized_incremental_binary::got_plt_reader_): New data member.
1917         (Sized_incremental_binary::current_input_file_): New data member.
1918
1919 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
1920
1921         PR gold/12640
1922         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
1923         violation.
1924
1925 2011-03-30  Cary Coutant  <ccoutant@google.com>
1926
1927         * archive.cc (Archive::include_member): Adjust call to report_object.
1928         (Add_archive_symbols::run): Add script_info to call to
1929         report_archive_begin.
1930         (Lib_group::include_member): Adjust call to report_object.
1931         (Add_lib_group_symbols::run): Adjust call to report_object.
1932         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
1933         blocks.  Add object count for script input files.
1934         * incremental.cc (Incremental_inputs::report_archive_begin): Add
1935         script_info parameter; change all callers.
1936         (Incremental_inputs::report_object): Add script_info parameter;
1937         change all callers.
1938         (Incremental_inputs::report_script): Store backpointer to
1939         incremental info entry.
1940         (Output_section_incremental_inputs::set_final_data_size): Record
1941         additional information for scripts.
1942         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1943         * incremental.h (Incremental_script_entry::add_object): New function.
1944         (Incremental_script_entry::get_object_count): New function.
1945         (Incremental_script_entry::get_object): New function.
1946         (Incremental_script_entry::objects_): New data member; adjust
1947         constructor.
1948         (Incremental_inputs::report_archive_begin): Add script_info parameter.
1949         (Incremental_inputs::report_object): Add script_info parameter.
1950         (Incremental_inputs_reader::get_object_count): New function.
1951         (Incremental_inputs_reader::get_object_offset): New function.
1952         * options.cc (Input_arguments::add_file): Return reference to
1953         new input argument.
1954         * options.h (Input_argument::set_script_info): New function.
1955         (Input_argument::script_info): New function.
1956         (Input_argument::script_info_): New data member; adjust all
1957         constructors.
1958         (Input_file_group::add_file): Return reference to new input argument.
1959         (Input_file_lib::add_file): Likewise.
1960         (Input_arguments::add_file): Likewise.
1961         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
1962         * script.cc (Parser_closure::Parser_closure): Add script_info
1963         parameter; adjust all callers.
1964         (Parser_closure::script_info): New function.
1965         (Parser_closure::script_info_): New data member.
1966         (read_input_script): Report scripts earlier to incremental info.
1967         (script_add_file): Set script_info in Input_argument.
1968         (script_add_library): Likewise.
1969         * script.h (Script_options::Script_info): Rewrite class.
1970
1971 2011-03-29  Cary Coutant  <ccoutant@google.com>
1972
1973         * archive.cc (Library_base::should_include_member): Move
1974         method here from class Archive.
1975         (Archive::Archive): Initialize base class.
1976         (Archive::should_include_member): Move to base class.
1977         (Archive::do_for_all_unused_symbols): New function.
1978         (Add_archive_symbols::run): Remove redundant access to
1979         incremental_inputs.
1980         (Lib_group::Lib_group): Initialize base class.
1981         (Lib_group::do_filename): New function.
1982         (Lib_group::include_member): Pass pointer to Lib_group to
1983         report_object.
1984         (Lib_group::do_for_all_unused_symbols): New function.
1985         (Add_lib_group_symbols::run): Report archive information for
1986         incremental links.
1987         * archive.h (class Library_base): New base class.
1988         (class Archive): Derive from Library_base.
1989         (Archive::filename): Move to base class.
1990         (Archive::set_incremental_info): Likewise.
1991         (Archive::incremental_info): Likewise.
1992         (Archive::Should_include): Likewise.
1993         (Archive::should_include_member): Likewise.
1994         (Archive::Armap_entry): Remove.
1995         (Archive::Unused_symbol_iterator): Remove.
1996         (Archive::unused_symbols_begin): Remove.
1997         (Archive::unused_symbols_end): Remove.
1998         (Archive::do_filename): New function.
1999         (Archive::do_get_mtime): New function.
2000         (Archive::do_for_all_unused_symbols): New function.
2001         (Archive::task_): Move to base class.
2002         (Archive::incremental_info_): Likewise.
2003         (class Lib_group): Derive from Library_base.
2004         (Lib_group::do_filename): New function.
2005         (Lib_group::do_get_mtime): New function.
2006         (Lib_group::do_for_all_unused_symbols): New function.
2007         (Lib_group::task_): Move to base class.
2008         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2009         function.
2010         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2011         function.
2012         * incremental.cc (Incremental_inputs::report_archive_begin):
2013         Use Library_base; call library's get_mtime; add incremental inputs
2014         entry before members.
2015         (class Unused_symbol_visitor): New class.
2016         (Incremental_inputs::report_archive_end): Use Library_base; use
2017         visitor class to record unused symbols; don't add incremental inputs
2018         entry after members.
2019         (Incremental_inputs::report_object): Use Library_base.
2020         * incremental.h
2021         (Incremental_archive_entry::Incremental_archive_entry): Remove
2022         unused Archive parameter.
2023         (Incremental_inputs::report_archive_begin): Use Library_base.
2024         (Incremental_inputs::report_archive_end): Likewise.
2025         (Incremental_inputs::report_object): Likewise.
2026         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2027         function.
2028         * object.h (Object::for_all_global_symbols): New function.
2029         (Object::do_for_all_global_symbols): New function.
2030         (Sized_relobj::do_for_all_global_symbols): New function.
2031         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2032         function.
2033         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2034         function.
2035
2036 2011-03-27  Ian Lance Taylor  <iant@google.com>
2037
2038         * archive.cc (Archive::interpret_header): Return -1 if something
2039         goes wrong.  Change callers accordingly.
2040
2041 2011-03-25  Cary Coutant  <ccoutant@google.com>
2042
2043         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2044         * testsuite/Makefile.in: Regenerate.
2045
2046 2010-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2047
2048         * plugin.cc (get_view): New.
2049         (Plugin::load): Pass get_view to the plugin.
2050         (Plugin_manager::get_view): New.
2051
2052 2011-03-21  Ian Lance Taylor  <iant@google.com>
2053
2054         * testsuite/final_layout.sh: Rewrite to not use dc.
2055         * testsuite/relro_test.sh: Fail if dc is not present.
2056
2057 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2058
2059         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2060         Change == to -eq.
2061         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2062         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2063         Change == to -eq.
2064         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2065         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2066
2067 2011-03-14  Ian Lance Taylor  <iant@google.com>
2068
2069         * script-sections.cc (Sort_output_sections::script_compare):
2070         Rename from is_before, change return type.
2071         (Sort_output_sections::operator()): Adjust accordingly.
2072
2073 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2074
2075         PR gold/12572
2076         * testsuite/odr_violation2.cc: Add comment to make all error line
2077         numbers double digits.
2078         * testsuite/debug_msg.sh: Adjust expected errors.
2079
2080 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2081
2082         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2083         but mark earlier ones as non-canonical
2084         (offset_to_iterator): Update search target and example
2085         (do_addr2line): Return extra lines in a vector*
2086         (format_file_lineno): Extract from do_addr2line
2087         (one_addr2line): Add vector* out-param
2088         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2089         when a lineno entry appeared last for its instruction
2090         (Dwarf_line_info): Add vector* out-param
2091         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2092         * symtab.cc (Odr_violation_compare): Include the lineno in the
2093         comparison again.
2094         (linenos_from_loc): New. Combine the canonical line for an
2095         address with its other lines.
2096         (True_if_intersect): New. Helper functor to make
2097         std::set_intersection a query.
2098         (detect_odr_violations): Compare sets of lines instead of just
2099         one line for each function. This became less deterministic, but
2100         has fewer false positives.
2101         * symtab.h: Declarations.
2102         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2103         mix an optimized and non-optimized object in the same binary
2104         (odr_violation2.so): Same.
2105         * testsuite/Makefile.in: Regenerate from Makefile.am.
2106         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2107         * testsuite/debug_msg.sh: Update line numbers and add
2108         assertions.
2109         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2110         non-optimized context.
2111         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2112         isn't inlined, and use OdrDerived in an optimized context.
2113         * testsuite/odr_header1.h: Defines OdrDerived, where
2114         optimization will change the
2115         first-instruction-in-the-destructor's file and line number.
2116         * testsuite/odr_header2.h: Defines OdrBase.
2117
2118 2011-03-09  Ian Lance Taylor  <iant@google.com>
2119
2120         * fileread.cc (File_read::clear_views): Don't delete the whole
2121         file view.
2122
2123 2011-03-08  Ian Lance Taylor  <iant@google.com>
2124
2125         PR gold/12525
2126         * fileread.cc: #include <climits>.
2127         (GOLD_IOV_MAX): Define.
2128         (File_read::read_multiple): Limit number of entries by iov_max.
2129         * fileread.h (class File_read): Always set max_readv_entries to
2130         128.
2131
2132 2011-03-07  Ian Lance Taylor  <iant@google.com>
2133
2134         PR gold/12525
2135         * options.h (class General_options): Add -dy and -dn.
2136
2137 2011-03-02  Cary Coutant  <ccoutant@google.com>
2138
2139         * testsuite/script_test_9.t: Add TLS segment.
2140
2141 2011-03-02  Simon Baldwin  <simonb@google.com>
2142
2143         * configure.ac: Add check for gnu_indirect_function support in
2144         the toolchain building binutils.
2145         * configure: Rebuild.
2146
2147 2010-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2148
2149         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2150         plugin only symbols.
2151         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2152         in plugin files as not needed in the symbol table.
2153
2154 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2155
2156         * output.cc (Output_section::add_input_section): Delay fill
2157         generation for section ordering.
2158
2159 2011-02-09  Ian Lance Taylor  <iant@google.com>
2160
2161         PR gold/12316
2162         * object.h (class Sized_relobj): Remove clear_local_symbols.
2163         * reloc.cc (Sized_relobj::do_relocate): Don't call
2164         clear_local_symbols.
2165
2166 2010-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2167
2168         * plugin.cc (is_visible_from_outside): Return true for symbols
2169         in the -u option.
2170
2171 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2172
2173         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2174         filename.
2175
2176 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2177
2178         * icf.h (is_section_foldable_candidate): Change type of parameter
2179         to std::string.
2180         * icf.cc (Icf::find_identical_sections): Change type of local variable
2181         section_name to be std::string.
2182         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2183
2184 2011-01-25  Ian Lance Taylor  <iant@google.com>
2185
2186         * script.cc (script_add_extern): Rewrite to use
2187         add_symbol_reference.
2188
2189 2011-01-25  Doug Kwan  <dougkwan@google.com>
2190
2191         * icf.cc (get_section_contents): Always lock section's object.
2192
2193 2011-01-24  Ian Lance Taylor  <iant@google.com>
2194
2195         * options.h (class General_options): Accept
2196         --no-detect-odr-violations.
2197
2198 2011-01-24  Ian Lance Taylor  <iant@google.com>
2199
2200         * version.cc (version_string): Bump to 1.11.
2201
2202 2011-01-24  Ian Lance Taylor  <iant@google.com>
2203
2204         * plugin.cc (class Plugin_rescan): Define new class.
2205         (Plugin_manager::claim_file): Set any_claimed_.
2206         (Plugin_manager::save_archive): New function.
2207         (Plugin_manager::save_input_group): New function.
2208         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2209         necessary.
2210         (Plugin_manager::new_undefined_symbol): New function.
2211         (Plugin_manager::rescan): New function.
2212         (Plugin_manager::rescannable_defines): New function.
2213         (Plugin_manager::add_input_file): Set any_added_.
2214         * plugin.h (class Plugin_manager): define new fields rescannable_,
2215         undefined_symbols_, any_claimed_, and any_added_.  Declare
2216         Plugin_rescan as friend.  Declare new functions.
2217         (Plugin_manager::Rescannable): Define type.
2218         (Plugin_manager::Rescannable_list): Define type.
2219         (Plugin_manager::Undefined_symbol_list): Define type.
2220         (Plugin_manager::Plugin_manager): Initialize new fields.
2221         * archive.cc (Archive::defines_symbol): New function.
2222         (Add_archive_symbols::run): Pass archive to plugins if any.
2223         * archive.h (class Archive): Declare defines_symbol.
2224         * readsyms.cc (Input_group::~Input_group): New function.
2225         (Finish_group::run): Pass input_group to plugins if any.
2226         * readsyms.h (class Input_group): Declare destructor.
2227         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2228         any.
2229
2230 2011-01-10  Ian Lance Taylor  <iant@google.com>
2231
2232         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2233         section as relro.
2234         (Layout::set_segment_offsets): Reset increase_relro before calling
2235         set_section_addresses a second time.
2236
2237 2011-01-04  Cary Coutant  <ccoutant@google.com>
2238
2239         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2240         sections before NOBITS sections.
2241
2242 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2243
2244         * version.cc (print_version): Update copyright to 2011.
2245
2246 2010-12-23  Cary Coutant  <ccoutant@google.com>
2247
2248         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2249         of OS to this->add.  Add OD parameter to second form of the function.
2250
2251 2010-12-20  Ian Lance Taylor  <iant@google.com>
2252
2253         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2254         second of two consecutive entries with same offset.
2255
2256 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2257
2258         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2259         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2260         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2261         to avoid unneeded links against $(LDADD).
2262         * testsuite/Makefile.in: Regenerate.
2263
2264 2010-12-15  Ian Lance Taylor  <iant@google.com>
2265
2266         PR gold/12324
2267         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2268         for R_X86_64_32 and R_X86_64_PC32.
2269         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2270         ver_matching_def_pic.o.
2271         (ver_matching_def_pic.o): New target.
2272
2273 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2274
2275         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2276         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2277         Move definition before File_read::View member definitions.
2278         (File_read::View::~View): Initialize and hold lock before
2279         updating current_mapped_bytes.
2280
2281 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2282
2283         * dwarf_reader.cc: Remove outdated comment.
2284         * gold-threads.cc: Fix typo in error message.
2285         * archive.cc: Fix typos in comments.
2286         * archive.h: Likewise.
2287         * arm-reloc-property.cc: Likewise.
2288         * arm-reloc-property.h: Likewise.
2289         * arm-reloc.def: Likewise.
2290         * arm.cc: Likewise.
2291         * attributes.h: Likewise.
2292         * cref.cc: Likewise.
2293         * ehframe.cc: Likewise.
2294         * fileread.h: Likewise.
2295         * gold.h: Likewise.
2296         * i386.cc: Likewise.
2297         * icf.cc: Likewise.
2298         * incremental.h: Likewise.
2299         * int_encoding.cc: Likewise.
2300         * layout.h: Likewise.
2301         * main.cc: Likewise.
2302         * merge.h: Likewise.
2303         * object.cc: Likewise.
2304         * object.h: Likewise.
2305         * options.cc: Likewise.
2306         * readsyms.cc: Likewise.
2307         * reduced_debug_output.cc: Likewise.
2308         * reloc.cc: Likewise.
2309         * script-sections.cc: Likewise.
2310         * sparc.cc: Likewise.
2311         * symtab.h: Likewise.
2312         * target-reloc.h: Likewise.
2313         * target.cc: Likewise.
2314         * target.h: Likewise.
2315         * timer.cc: Likewise.
2316         * timer.h: Likewise.
2317         * x86_64.cc: Likewise.
2318
2319 2010-12-09  Cary Coutant  <ccoutant@google.com>
2320
2321         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2322         stack.
2323         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2324         parameter; change all callers.
2325         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2326         * options.h (warn_execstack): New option.
2327
2328 2010-12-07  Doug Kwan  <dougkwan@google.com>
2329
2330         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2331         like function call relocations.
2332
2333 2010-12-07  Ian Lance Taylor  <iant@google.com>
2334
2335         * archive.cc (Archive::get_elf_object_for_member): Permit
2336         punconfigured to be NULL.
2337         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2338         (Archive::include_member): Pass NULL to get_elf_object_for_member
2339         if we searched for the archive and this is the first included
2340         object.
2341
2342 2010-12-01  Ian Lance Taylor  <iant@google.com>
2343
2344         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2345         track_relocs_type_ field.
2346         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2347         Set track_relocs_type_.
2348         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2349         contents when using RELA relocs.
2350         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2351         reloc_map_.
2352         * reloc.cc (Track_relocs::next_addend): New function.
2353         * reloc.h (class Track_relocs): Declare next_addend.
2354
2355 2010-12-01  Ian Lance Taylor  <iant@google.com>
2356
2357         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2358         virtual destructor.
2359
2360 2010-12-01  Ian Lance Taylor  <iant@google.com>
2361
2362         * README: Update compilers known to work and fail.
2363
2364 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2365
2366         * configure.in: For --enable-gold, handle value `default' instead of
2367         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2368         not the default.
2369         * configure: Regenerate.
2370
2371 2010-11-18  Doug Kwan  <dougkwan@google.com>
2372
2373         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2374         and right_alignment to be zero.  Store result alignment only if it is
2375         greater than existing alignment.
2376
2377 2010-11-16  Cary Coutant  <ccoutant@google.com>
2378
2379         PR gold/12220
2380         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2381         Check for ".zdebug_line".
2382
2383 2010-11-16  Doug Kwan  <dougkwan@google.com>
2384             Cary Coutant  <ccoutant@google.com>
2385
2386         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2387         by reference; adjust all callers.
2388         * output.cc (Output_segment::set_section_addresses): Adjust references
2389         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2390         list is empty.
2391         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2392         end at page boundary.
2393
2394 2010-11-16  Cary Coutant  <ccoutant@google.com>
2395
2396         PR gold/12220
2397         * layout.cc (Layout::choose_output_section): Transform names of
2398         compressed sections even when using a script with a SECTIONS clause.
2399         (Layout::output_section_name): Remove code to transform
2400         compressed debug section names.
2401         * output.cc (Output_section::add_input_section): Use uncompressed
2402         section size when tracking input sections.
2403
2404 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2405
2406         * symtab.h (Symbol::NON_PIC_REF): Remove.
2407         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2408         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2409         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2410         (Symbol::use_plt_offset): Take a flags argument and pass it
2411         directly to needs_dynamic_reloc.  Restrict check for undefined
2412         weak symbols to function calls.
2413         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2414         (Target_arm::Scan::global): Use it.
2415         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2416         (Target_arm::Relocate::relocate): Likewise.
2417         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2418         parameter with an r_type parameter.  Use get_reference_flags
2419         to get the flags.
2420         (Target_arm::Relocate::relocate): Update accordingly.
2421         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2422         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2423         (Target_i386::Scan::global): Likewise.
2424         (Target_i386::Relocate::relocate): Likewise.
2425         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2426         parameter with an r_type parameter.  Use get_reference_flags
2427         to get the flags.
2428         (Target_i386::Relocate::relocate): Update accordingly.
2429         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2430         (Target_powerpc::Scan::global): Use it.
2431         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2432         (Target_powerpc::Relocate::relocate): Likewise.
2433         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2434         (Target_sparc::Scan::global): Use it.
2435         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2436         (Target_sparc::Relocate::relocate): Likewise.
2437         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2438         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2439         (Target_x86_64::Scan::global): Likewise.
2440         (Target_x86_64::Relocate::relocate): Likewise.
2441
2442 2010-11-08  Doug Kwan  <dougkwan@google.com>
2443             Cary Coutant  <ccoutant@google.com>
2444
2445         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2446         (Arm_exidx_merge_section::section_contents_): New data member.
2447         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2448         (Arm_input_section::~Arm_input_section): De-allocate memory.
2449         (Arm_input_section::original_contents_): New data member.
2450         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2451         in parameters instead of calling Object::section_contents without
2452         locking.
2453         (Arm_output_section::group_section): New parameter TASK.  Pass it
2454         to callees that need locking objects.
2455         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2456         to lock EXIDX input sections.  Fix a formatting issue.  Call
2457         Arm_exidx_merged_section::build_contents to create merged section
2458         contents.
2459         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2460         to lock object of stub table owner.
2461         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2462         TEXT_SIZE to initialize data member TEXT_SIZE_.
2463         (Arm_exidx_input_section::addralign): Fix typo in comment.
2464         (Arm_exidx_input_section::text_size): New method.
2465         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2466         that require locking objects.  Lock objects before scanning for stubs
2467         and updating local symbols.
2468         (Arm_input_section<big_endian>::init): Copy contents of original
2469         input section.
2470         (Arm_input_section<big_endian>::do_write): Use saved contents of
2471         original input section instead of calling Object::section_contents
2472         without locking.
2473         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2474         size without calling Object::section_size().
2475         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2476         for size.  Allocate a buffer for merged EXIDX entries.
2477         (Arm_exidx_merged_section::build_contents): New method.
2478         (Arm_exidx_merged_section::do_write): Move merge section contents
2479         building code to Arm_exidx_merged_section::build_contetns.  Write
2480         out contetns in buffer instead of building it on the fly.
2481         (Arm_relobj::make_exidx_input_section): Also pass text section size
2482         to Arm_exidx_input_section constructor.
2483         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2484         (Arm_dynobj::do_read_symbols): Fix memory leak.
2485         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2486         * target.h: (class Task): Add forward declaration.
2487         (Target::relax): Add new parameter TASK and pass it to
2488         Target::do_relax().
2489         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2490
2491 2010-11-05  Cary Coutant  <ccoutant@google.com>
2492
2493         PR gold/10708
2494         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2495         object when reading from the file.
2496         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2497         second layout pass.
2498         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2499         when reading section contents.
2500         (get_section_contents): Likewise.
2501         (icf::find_identical_sections): Likewise.
2502         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2503         object when reading from the file.
2504         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2505         the object when doing deferred section layout.
2506
2507 2010-11-03  Nick Clifton  <nickc@redhat.com>
2508
2509         PR gold/12001
2510         * script.h (class Symbol_assignment: name): New member.  Returns
2511         the name of the symbol.
2512         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2513         Returns true if the given symbol name is on the list of
2514         assignments wating to be processed.
2515         * archive.cc (should_incldue_member): If the symbol is undefined,
2516         check to see if it is on the list of symbols pending assignment.
2517
2518 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2519
2520         * script-sections.cc (Script_sections::find_memory_region): Check
2521         for a NULL output section pointer.
2522
2523 2010-10-29  Doug Kwan  <dougkwan@google.com>
2524
2525         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2526         Output_section::add_relaxed_input_section.
2527         * output.cc (Output_section::add_relaxed_input_section): Add new
2528         arguments LAYOUT and NAME.  Set section order index.
2529         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2530         Copy section order index.
2531         * output.h (Output_section::add_relaxed_input_section): Add new
2532         arguments LAYOUT and NAME.
2533
2534 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2535
2536         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2537         NATIVE_OR_CROSS_LINKER.
2538         * testsuite/Makefile.in: Regenerate.
2539
2540 2010-10-20  Doug Kwan  <dougkwan@google.com>
2541
2542         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2543         without SHF_LINK_ORDER flags.
2544         * layout.cc (Layout::choose_output_section): Do not filter
2545         SHF_LINK_ORDER flag in a relocatable link.
2546
2547 2010-10-17  Cary Coutant  <ccoutant@google.com>
2548
2549         * output.h (Output_segment::set_section_addresses): Change function
2550         signature.  Update all callers.
2551         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2552         sections.
2553         (Output_segment::set_section_addresses): Align after last TLS
2554         section.  Add padding before last relro section instead of after.
2555
2556 2010-10-17  Doug Kwan  <dougkwan@google.com>
2557
2558         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2559         GOT output section to be writable.
2560
2561 2010-10-14  Cary Coutant  <ccoutant@google.com>
2562
2563         * debug.h (DEBUG_INCREMENTAL): New flag.
2564         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2565         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2566         mode.
2567         * incremental.cc (report_command_line): Ignore all forms of
2568         --incremental.
2569         * layout.cc (Layout::Layout): Check parameters for incremental link
2570         mode.
2571         * options.cc (General_options::parse_incremental): New function.
2572         (General_options::parse_no_incremental): New function.
2573         (General_options::parse_incremental_full): New function.
2574         (General_options::parse_incremental_update): New function.
2575         (General_options::incremental_mode_): New data member.
2576         (General_options::finalize): Check incremental_mode_.
2577         * options.h (General_options): Update help text for --incremental.
2578         Add --no-incremental, --incremental-full, --incremental-update.
2579         (General_options::Incremental_mode): New enum type.
2580         (General_options::incremental_mode): New function.
2581         (General_options::incremental_mode_): New data member.
2582         * parameters.cc (Parameters::incremental_mode_): New data member.
2583         (Parameters::set_options): Set incremental_mode_.
2584         (Parameters::set_incremental_full): New function.
2585         (Parameters::incremental): New function.
2586         (Parameters::incremental_update): New function.
2587         (set_parameters_incremental_full): New function.
2588         * parameters.h (Parameters::set_incremental_full): New function.
2589         (Parameters::incremental): New function.
2590         (Parameters::incremental_update): New function.
2591         (Parameters::incremental_mode_): New data member.
2592         (set_parameters_incremental_full): New function.
2593         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2594         incremental link mode.
2595         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2596         (Sized_relobj::do_relocate_sections): Likewise.
2597         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2598         option.
2599         * testsuite/Makefile.in: Regenerate.
2600         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2601
2602 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2603
2604         * script-sections.h (class Script_sections): Make
2605         Sections_elements typedef public.
2606         * script-sections.cc (class Sort_output_sections): Add elements_
2607         field.  Add constructor which sets it; change all callers.
2608         (Sort_output_sections::is_before): New function.
2609         (Sort_output_sections::operator()): Call is_before.
2610         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2611         conditional.
2612         * testsuite/script_test_10.sh: New test. Test script section
2613         order.
2614         * testsuite/script_test_10.t: Likewise.
2615         * testsuite/script_test_10.s: Likewise.
2616         * testsuite/Makefile.am: Wrap the cross linker tests and the
2617         common tests into NATIVE_OR_CROSS_LINKER.
2618         (check_SCRIPTS): Add script_test_10.sh.
2619         (check_DATA): Add script_test_10.stdout.
2620         (script_test_10.o, script_test_10): New targets.
2621         (script_test_10.stdout): New target.
2622         * configure, testsuite/Makefile.in: Regenerate.
2623
2624 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2625
2626         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2627         error for the deprecated relocations.
2628         (Target_arm::Scan::global): Likewise.
2629         (Target_arm::Relocate::relocate): Likewise.
2630
2631 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
2632
2633         * fileread.cc (Input_file::find_file): Initialize *found_name
2634         and *namep when using the fallback search for case 4.
2635
2636 2010-10-11  Cary Coutant  <ccoutant@google.com>
2637
2638         * options.h (class General_options): Redefine -z lazy as an alias for
2639         the negation of -z now.
2640
2641 2010-10-11  Ian Lance Taylor  <iant@google.com>
2642
2643         * resolve.cc (symbol_to_bits): Report the value of the unsupported
2644         binding.
2645
2646 2010-10-06  Nick Clifton  <nickc@redhat.com>
2647
2648         * script-sections.cc(class Memory_region): Remove
2649         current_lma_offset_ field.  Rename current_vma_offset_ to
2650         current_offset_.  Add last_section_ field.
2651         (Memory_region::get_current_vma_address): Rename to
2652         get_current_address.
2653         (Memory_region::get_current_lma_address): Delete.
2654         (Memory_region::increment_vma_offset): Rename to
2655         increment_offset.
2656         (Memory_region::increment_lma_offset): Delete.
2657         (Memory_region::attributes_compatible): New method.  Returns
2658         true if the provided section is compatible with the region.
2659         (Memory_region::get_last_section): New method.  Returns the last
2660         section to use the region.
2661         (Memory_region::set_last_section): New method.  Stores the last
2662         section to use the region.
2663         (Script_sections::block_in_region): New method.  Returns true if
2664         a block of memory is contained within a region.
2665         (Script_sections::find_memory_region): New method.  Locates a
2666         memory region to be used to set a VMA or LMA address.
2667         (Output_section_definition::set_section_addresses): Add code to
2668         check for addresses set by memory regions.
2669         (Output_segment::set_section_addresses): Remove memory region
2670         walking code.
2671         (Script_sections::create_segment): Add a warning if a header
2672         segment is created outside of any region.
2673         * script-sections.h (class Script_sections): Add prototypes for
2674         find_memory_region and block_in_region methods.
2675         * testsuite/memory_test.s: Use .long instead of .word.
2676         * testsuite/memory_test.t: Add some more output sections.
2677         * testsuite/memory_test.sh: Update expected output.
2678
2679 2010-10-02  Doug Kwan  <dougkwan@google.com>
2680
2681         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
2682         defintion to symtab.h
2683         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
2684         declaration to defintion.
2685
2686 2010-10-01  Nick Clifton  <nickc@redhat.com>
2687
2688         * expression.cc (eval): Replace dummy argument with NULL.
2689         (eval_maybe_dot): Check for a NULL result section pointer.
2690         (Symbol_expression::value): Likewise.
2691         (Dot_expression::value): Likewise.
2692         (BINARY_EXPRESSION): Likewise.
2693         (Max_expression::value): Likewise.
2694         (Min_expression::value): Likewise.
2695         (Absolute_expression::value): Likewise.
2696         (Addr_expression::value_from_output_section): Likewise.
2697         (Loaddddr_expression::value_from_output_section): Likewise.
2698         (Segment_start_expression::value): Likewise.
2699         * script-sections.cc
2700         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
2701         argument with NULL.
2702         (Sections_elememt_dot_assignment::set_section_addresses):
2703         Likewise.
2704         (Output_data_expression::do_write_to_buffer): Likewise.
2705         (Output_section_definition::finalize_symbols): Likewise.
2706         (Output_section_definition::set_section_addresses): Likewise.
2707
2708 2010-09-30  Doug Kwan  <dougkwan@google.com>
2709
2710         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
2711
2712 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
2713
2714         * target.h (Target::can_icf_inline_merge_sections): New virtual
2715         function.
2716         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
2717         virtual function.
2718         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
2719         virtual function.
2720         * icf.cc (get_section_contents): Inline merge sections only when
2721         target allows it.
2722
2723 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2724
2725         * configure: Regenerate.
2726
2727 2010-09-17  Ian Lance Taylor  <iant@google.com>
2728
2729         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
2730         * testsuite/Makefile.am (memory_test.o): New target.
2731         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
2732         memory_test.t.
2733         * testsuite/Makefile.in: Rebuild.
2734
2735 2010-09-17  Doug Kwan  <dougkwan@google.com>
2736
2737         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
2738         defintion if relocation uses GOT entries of the symbol.
2739         * testsuite/icf_safe_test.sh: Fix test.
2740         * testsuite/icf_safe_so_test.sh: Fix test.
2741
2742 2010-09-16  Cary Coutant  <ccoutant@google.com>
2743
2744         * script_sections.cc (class Memory_region): Remove "NULL" from
2745         vector initializations.
2746
2747 2010-09-15  Cary Coutant  <ccoutant@google.com>
2748
2749         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
2750         Resolve forwarding symbols.
2751
2752 2010-09-15  Doug Kwan  <dougkwan@google.com>
2753
2754         * gold/testsuite/script_test_3.t: Add ARM special sections.
2755         * gold/testsuite/script_test_4.t: Same.
2756         * gold/testsuite/script_test_5.t: Same.
2757         * gold/testsuite/script_test_6.t: Same.
2758         * gold/testsuite/script_test_7.t: Same.
2759         * gold/testsuite/script_test_7.t: Same.
2760         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
2761
2762 2010-09-14  Cary Coutant  <ccoutant@google.com>
2763
2764         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
2765         (Target_x86_64::Relocate::relocate_tls): Replace check for
2766         saw_tls_block_reloc_ with test for executable section.
2767
2768 2010-09-12  Cary Coutant  <ccoutant@google.com>
2769
2770         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
2771         position-independent executables to shared libraries need dynamic
2772         relocations.
2773         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
2774         position-independent executables.
2775         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
2776         * testsuite/Makefile.in: Regenerate.
2777
2778 2010-09-10  Nick Clifton  <nickc@redhat.com>
2779
2780         PR gold/11997
2781         * testsuite/memory_test.t: Discard any sections that are not
2782         needed.
2783
2784 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
2785
2786         PR gold/11996
2787         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
2788         "This::" to work around a bug in gcc 4.2.
2789
2790         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
2791
2792 2010-09-09  Rafael Espindola  <espindola@google.com>
2793
2794         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
2795         sections with different PF_X flags in the same segment.
2796         (Layout::find_first_load_seg): Search all segments to find the first
2797         one.
2798         * options.h (rosegment): New.
2799
2800 2010-09-08  Rafael Espindola  <espindola@google.com>
2801
2802         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
2803
2804 2010-09-08  Doug Kwan  <dougkwan@google.com>
2805
2806         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
2807         (Arm_relobj::do_relocate_sections): Add new parameter for output
2808         file to match the parent.
2809         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
2810         of local symbols instead of input values.  Update code to track
2811         changes in gold::relocate_section.
2812         * object.cc (Sized_relobj::compute_final_local_value): New methods.
2813         (Sized_relobj::compute_final_local_value_internal): New methods.
2814         (Sized_relobj::do_finalize_local_symbols): Move code from loop
2815         body into private version of Sized_relobj::compute_final_local_value.
2816         Call the inline method.
2817         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
2818         merged symbol value if there is one.
2819         (Symbol_value::has_output_value): New method defintiion.
2820         (Sized_relobj::Compute_final_local_value_status): New enum type.
2821         (Sized_relobj::compute_final_local_value): New methods.
2822         (Sized_relobj::compute_final_local_value_internal): New methods.
2823         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
2824         and arm_cortex_a8.sh.
2825         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
2826         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
2827         New tests.
2828         * Makefile.in: Regenerate.
2829         * testsuite/arm_bl_out_of_range.s: Update test.
2830         * testsuite/thumb_bl_out_of_range.s: Ditto.
2831         * testsuite/thumb_blx_out_of_range.s: Ditto.
2832         * testsuite/arm_branch_out_of_range.sh: New file.
2833         * testsuite/arm_cortex_a8.sh: Ditto.
2834         * testsuite/arm_cortex_a8_b.s: Ditto.
2835         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
2836         * testsuite/arm_cortex_a8_b_local.s: Ditto.
2837         * testsuite/arm_cortex_a8_bl.s: Ditto.
2838         * testsuite/arm_cortex_a8_blx.s: Ditto.
2839         * testsuite/arm_cortex_a8_local.s: Ditto.
2840         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
2841         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
2842
2843 2010-09-08  Rafael Espindola  <espindola@google.com>
2844
2845         * Makefile.am (memory_test.stdout): Run readelf with -W.
2846         * Makefile.in: Regenerate.
2847         * testsuite/memory_test.sh: Make the regexps accept both 32 and
2848         64 bit output.
2849
2850 2010-09-08  Rafael Espindola  <espindola@google.com>
2851
2852         * script-sections.cc (Script_sections::add_memory_region): Convert
2853         field precision to int.
2854         * script.cc (script_set_section_region, script_set_section_region):
2855         Convert field precision to int.
2856
2857 2010-09-08  Rafael Espindola  <espindola@google.com>
2858
2859         * arm.cc (do_finalize_sections): Create the __exidx_start and
2860         __exdix_end symbols even when the section is missing.
2861
2862 2010-09-08  Nick Clifton  <nickc@redhat.com>
2863
2864         * README: Remove claim that MEMORY is not supported.
2865         * expression.cc (script_exp_function_origin)
2866         (script_exp_function_length): Move from here to ...
2867         * script.cc: ... here.
2868         (script_set_section_region, script_add_memory)
2869         (script_parse_memory_attr, script_include_directive): New
2870         functions.
2871         * script-sections.cc
2872         (class Memory_region): New class.
2873         (class Output_section_definition): Add set_memory_region,
2874         set_section_vma, set_section_lma and get_section_name methods.
2875         (class Script_Sections): Add add_memory_region,
2876         find_memory_region, find_memory_region_origin,
2877         find_memory_region_length and set_memory_region methods.
2878         Have set_section_addresses method walk the list of set memory
2879         regions.
2880         Extend the print methos to display memory regions.
2881         * script-sections.h: Add prototypes for new methods.
2882         Add enum for MEMORY region attributes.
2883         * yyscript.y: Add support for parsing MEMORY regions.
2884         * script-c.h: Add prototypes for new functions.
2885         * testsuite/Makefile.am: Add test of MEMORY region functionality.
2886         * testsuite/Makefile.in: Regenerate.
2887         * testsuite/memory_test.sh: New script.
2888         * testsuite/memory_test.s: New assembler source file.
2889         * testsuite/memory_test.t: New linker script.
2890
2891 2010-08-27  Doug Kwan  <dougkwan@google.com>
2892
2893         * gold/resolve.cc (Symbol_table::should_override): Let a weak
2894         reference override an existing dynamic weak reference.
2895         * testsuite/Makefile.am: Add new test dyn_weak_ref.
2896         * testsuite/Makefile.in: Regenerate.
2897         * testsuite/dyn_weak_ref.sh: New file.
2898         * testsuite/dyn_weak_ref_1.c: Ditto.
2899         * testsuite/dyn_weak_ref_2.c: Ditto.
2900
2901 2010-08-27  Ian Lance Taylor  <iant@google.com>
2902
2903         * incremental.h (class Incremental_input_entry): Add virtual
2904         destructor.
2905
2906 2010-08-27  Ian Lance Taylor  <iant@google.com>
2907
2908         * testsuite/start_lib_test_3.c: Mark t3 as used.
2909
2910 2010-08-27  Nick Clifton  <nickc@redhat.com>
2911
2912         * options.cc (version_script): Fix small typo in previous
2913         whitespace tidyup.
2914
2915 2010-08-25  Nick Clifton  <nickc@redhat.com>
2916
2917         * archive.cc: Formatting fixes: Remove whitespace between
2918         typename and following asterisk.  Remove whitespace between
2919         function name and opening parenthesis.
2920         * archive.h: Likewise.
2921         * arm.cc: Likewise.
2922         * attributes.cc: Likewise.
2923         * attributes.h: Likewise.
2924         * common.cc: Likewise.
2925         * copy-relocs.cc: Likewise.
2926         * dirsearch.h: Likewise.
2927         * dynobj.cc: Likewise.
2928         * ehframe.cc: Likewise.
2929         * ehframe.h: Likewise.
2930         * expression.cc: Likewise.
2931         * fileread.cc: Likewise.
2932         * fileread.h: Likewise.
2933         * gc.h: Likewise.
2934         * gold-threads.cc: Likewise.
2935         * gold.cc: Likewise.
2936         * i386.cc: Likewise.
2937         * icf.h: Likewise.
2938         * incremental-dump.cc: Likewise.
2939         * incremental.cc: Likewise.
2940         * layout.cc: Likewise.
2941         * layout.h: Likewise.
2942         * main.cc: Likewise.
2943         * merge.cc: Likewise.
2944         * merge.h: Likewise.
2945         * object.cc: Likewise.
2946         * object.h: Likewise.
2947         * options.cc: Likewise.
2948         * options.h: Likewise.
2949         * output.cc: Likewise.
2950         * output.h: Likewise.
2951         * plugin.cc: Likewise.
2952         * plugin.h: Likewise.
2953         * powerpc.cc: Likewise.
2954         * reloc.cc: Likewise.
2955         * script-c.h: Likewise.
2956         * script-sections.cc: Likewise.
2957         * script.cc: Likewise.
2958         * stringpool.cc: Likewise.
2959         * symtab.cc: Likewise.
2960         * symtab.h: Likewise.
2961         * target.cc: Likewise.
2962         * timer.cc: Likewise.
2963         * timer.h: Likewise.
2964         * version.cc: Likewise.
2965         * x86_64.cc: Likewise.
2966
2967 2010-08-24  Nick Clifton  <nickc@redhat.com>
2968
2969         PR 11899
2970         * layout.cc (segment_precedes): Sort segments by their physical
2971         addresses, if they have been set.
2972
2973 2010-08-23  Cary Coutant  <ccoutant@google.com>
2974
2975         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
2976         symbols data.
2977         (Lib_group::include_member): Unlock object after deleting its
2978         symbols data.
2979         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
2980         the bug fixed here.
2981
2982 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
2983             Cary Coutant  <ccoutant@google.com>
2984
2985         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
2986         constructor, and set_blocker.
2987         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
2988         readsyms_blocker_.
2989         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
2990         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
2991         * testsuite/Makefile.am (start_lib_test): New test case.
2992         * testsuite/Makefile.in: Regenerate.
2993         * testsuite/start_lib_test_main.c: New file.
2994         * testsuite/start_lib_test_1.c: New file.
2995         * testsuite/start_lib_test_2.c: New file.
2996         * testsuite/start_lib_test_3.c: New file.
2997
2998 2010-08-19  Ian Lance Taylor  <iant@google.com>
2999
3000         * Makefile.in: Rebuild with automake 1.11.1.
3001         * aclocal.m4: Likewise.
3002         * testsuite/Makefile.in: Likewise.
3003
3004 2010-08-19  Ian Lance Taylor  <iant@google.com>
3005
3006         PR 10893
3007         * i386.cc (class Output_data_plt_i386): Update declarations.
3008         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3009         local_ifuncs_ fields.
3010         (Target_i386::do_plt_section_for_global): New function.
3011         (Target_i386::do_plt_section_for_local): New function.
3012         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3013         parameter; change all callers.  Initialize global_ifuncs_ and
3014         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3015         __rel_iplt_end.
3016         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3017         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3018         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3019         symbols.
3020         (Target_i386::make_plt_section): New function, broken out of
3021         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3022         (Target_i386::make_plt_entry): Call make_plt_section.
3023         (Target_i386::make_local_ifunc_plt_entry): New function.
3024         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3025         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3026         R_386_IRELATIVE to switch.
3027         (Target_i386::Scan::global): Likewise.
3028         (Target_i386::Relocate::relocate): Likewise.
3029         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3030         switch.
3031         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3032         (Target_x86_64::do_plt_section_for_global): New function.
3033         (Target_x86_64::do_plt_section_for_local): New function.
3034         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3035         parameter; change all callers.  If doing a static link define
3036         __rela_iplt_start and __rela_iplt_end.
3037         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3038         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3039         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3040         to point to .plt.
3041         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3042         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3043         switch.
3044         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3045         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3046         R_X86_64_IRELATIVE to switch.
3047         (Target_x86_64::Scan::global): Likewise.
3048         (Target_x86_64::Relocate::relocate): Likewise.
3049         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3050         switch.
3051         * target.h (class Target): Add plt_section_for_global and
3052         plt_section_for_local functions.  Add do_plt_section_for_global
3053         and do_plt_section_for_local virtual functions.
3054         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3055         clarifying comments.
3056         (Symbol::use_plt_offset): Handle IFUNC symbol.
3057         * object.cc (Sized_relobj::Sized_relobj): Initialize
3058         local_plt_offsets_.
3059         (Sized_relobj::local_has_plt_offset): New function.
3060         (Sized_relobj::local_plt_offset): New function.
3061         (Sized_relobj::set_local_plt_offset): New function.
3062         (Sized_relobj::do_count): Handle IFUNC symbol.
3063         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3064         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3065         is_ifunc_symbol functions.
3066         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3067         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3068         local_plt_offsets_ field.
3069         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3070         * output.h (class Output_section_data): Add non-const
3071         output_section function.
3072         (class Output_data_got): Update declarations.
3073         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3074         Add use_plt_offset parameter to global and local constructors.
3075         Change all callers.  Change local_sym_index_ field to 31 bits.
3076         Change GSYM_CODE and CONSTANT_CODE accordingly.
3077         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3078         doing a static link don't set sh_link field.
3079         (Output_data_got::Got_entry::write): Use PLT offset if
3080         appropriate.
3081         (Output_data_got::add_global_plt): New function.
3082         (Output_data_got::add_local_plt): New function.
3083         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3084         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3085         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3086         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3087         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3088         IFUNC conditional.
3089         * testsuite/ifunc-sel.h: New file.
3090         * testsuite/ifuncmain1.c: New file.
3091         * testsuite/ifuncmain1vis.c: New file.
3092         * testsuite/ifuncmod1.c: New file.
3093         * testsuite/ifuncdep2.c: New file.
3094         * testsuite/ifuncmain2.c: New file.
3095         * testsuite/ifuncmain3.c: New file.
3096         * testsuite/ifuncmod3.c: New file.
3097         * testsuite/ifuncmain4.c: New file.
3098         * testsuite/ifuncmain5.c: New file.
3099         * testsuite/ifuncmod5.c: New file.
3100         * testsuite/ifuncmain6pie.c: New file.
3101         * testsuite/ifuncmod6.c: New file.
3102         * testsuite/ifuncmain7.c: New file.
3103         * configure, testsuite/Makefile.in: Rebuild.
3104
3105 2010-08-18  Ian Lance Taylor  <iant@google.com>
3106
3107         * incremental.cc
3108         (Output_section_incremental_inputs::write_input_files): Add cast
3109         to avoid signed/unsigned comparison warning.
3110         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3111
3112 2010-08-12  Cary Coutant  <ccoutant@google.com>
3113
3114         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3115
3116 2010-08-13  Ian Lance Taylor  <iant@google.com>
3117
3118         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3119
3120 2010-08-12  Cary Coutant  <ccoutant@google.com>
3121             Doug Kwan  <dougkwan@google.com>
3122
3123         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3124         defintion overrides non-weak undef, remember that the original undef
3125         is not weak.
3126         * symtab.cc (Symbol_table::sized_write_global): For undef without
3127         an original weak binding, set binding to global in output.
3128         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3129         * testsuite/Makefile.in: Regenerate.
3130         * testsuite/strong_ref_weak_def.sh: New file.
3131         * testsuite/strong_ref_weak_def_1.c: Ditto.
3132         * testsuite/strong_ref_weak_def_2.c: Ditto.
3133
3134 2010-08-12  Cary Coutant  <ccoutant@google.com>
3135
3136         * testsuite/incremental_test.sh: Rewrite.
3137         * testsuite/incremental_test_1.c: Rewrite.
3138         * testsuite/incremental_test_2.c: Rewrite.
3139
3140 2010-08-12  Cary Coutant  <ccoutant@google.com>
3141
3142         * arm.cc (Target_arm::got_size): Add const.
3143         (Target_arm::got_entry_count): New function.
3144         (Target_arm::plt_entry_count): New function.
3145         (Target_arm::first_plt_entry_offset): New function.
3146         (Target_arm::plt_entry_size): New function.
3147         (Output_data_plt_arm::entry_count): New function.
3148         (Output_data_plt_arm::first_plt_entry_offset): New function.
3149         (Output_data_plt_arm::get_plt_entry_size): New function.
3150         * i386.cc (Target_i386::got_size): Add const.
3151         (Target_i386::got_entry_count): New function.
3152         (Target_i386::plt_entry_count): New function.
3153         (Target_i386::first_plt_entry_offset): New function.
3154         (Target_i386::plt_entry_size): New function.
3155         (Output_data_plt_i386::entry_count): New function.
3156         (Output_data_plt_i386::first_plt_entry_offset): New function.
3157         (Output_data_plt_i386::get_plt_entry_size): New function.
3158         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3159         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3160         * incremental.cc: Include target.h.
3161         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3162         parameter.  Adjust all callers.  Find incremental_got_plt section.
3163         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3164         section.
3165         (Output_section_incremental_inputs::set_final_data_size): Calculate
3166         size of incremental_got_plt section.
3167         (Output_section_incremental_inputs::do_write): Write the
3168         incremental_got_plt section.
3169         (Got_plt_view_info): New struct.
3170         (Local_got_offset_visitor): New class.
3171         (Global_got_offset_visitor): New class.
3172         (Global_symbol_visitor_got_plt): New class.
3173         (Output_section_incremental_inputs::write_got_plt): New function.
3174         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3175         Add parameter.  Adjust all callers.
3176         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3177         (Incremental_inputs::got_plt_section): New function.
3178         (Incremental_inputs::got_plt_section_): New data member.
3179         (Incremental_got_plt_reader): New class.
3180         * layout.cc (Layout::create_incremental_info_sections): Add the
3181         incremental_got_plt section.
3182         * object.h (Got_offset_list::get_list): New function.
3183         (Got offset_list::for_all_got_offsets): New function.
3184         (Sized_relobj::local_got_offset_list): New function.
3185         * powerpc.cc (Target_powerpc::got_size): Add const.
3186         (Target_powerpc::got_entry_count): New function.
3187         (Target_powerpc::plt_entry_count): New function.
3188         (Target_powerpc::first_plt_entry_offset): New function.
3189         (Target_powerpc::plt_entry_size): New function.
3190         (Output_data_plt_powerpc::entry_count): New function.
3191         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3192         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3193         * sparc.cc (Target_sparc::got_size): Add const.
3194         (Target_sparc::got_entry_count): New function.
3195         (Target_sparc::plt_entry_count): New function.
3196         (Target_sparc::first_plt_entry_offset): New function.
3197         (Target_sparc::plt_entry_size): New function.
3198         (Output_data_plt_sparc::entry_count): New function.
3199         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3200         (Output_data_plt_sparc::get_plt_entry_size): New function.
3201         * symtab.h (Symbol::got_offset_list): New function.
3202         (Symbol_table::for_all_symbols): New function.
3203         * target.h (Sized_target::got_entry_count): New function.
3204         (Sized_target::plt_entry_count): New function.
3205         (Sized_target::plt_entry_size): New function.
3206         * x86_64.cc (Target_x86_64::got_size): Add const.
3207         (Target_x86_64::got_entry_count): New function.
3208         (Target_x86_64::plt_entry_count): New function.
3209         (Target_x86_64::first_plt_entry_offset): New function.
3210         (Target_x86_64::plt_entry_size): New function.
3211         (Output_data_plt_x86_64::entry_count): New function.
3212         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3213         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3214
3215 2010-08-12  Cary Coutant  <ccoutant@google.com>
3216
3217         * archive.cc: Include incremental.h.
3218         (Archive::Archive): Initialize incremental_info_.
3219         (Archive::include_member): Record archive members in incremental info.
3220         (Add_archive_symbols::run): Record begin and end of an archive in
3221         incremental info.
3222         (Lib_group::include_member): Record objects in incremental info.
3223         * archive.h (Incremental_archive_entry): Forward declaration.
3224         (Archive::set_incremental_info): New member function.
3225         (Archive::incremental_info): New member function.
3226         (Archive::Unused_symbol_iterator): New class.
3227         (Archive::unused_symbols_begin): New member function.
3228         (Archive::unused_symbols_end): New member function.
3229         (Archive::incremental_info_): New data member.
3230         * incremental-dump.cc (find_input_containing_global): New function.
3231         (dump_incremental_inputs): Dump new incremental info sections.
3232         * incremental.cc: Include symtab.h.
3233         (Output_section_incremental_inputs): New class.
3234         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3235         new incremental info sections.
3236         (Sized_incremental_binary::do_check_inputs): Likewise.
3237         (Incremental_inputs::report_archive): Remove.
3238         (Incremental_inputs::report_archive_begin): New function.
3239         (Incremental_inputs::report_archive_end): New function.
3240         (Incremental_inputs::report_object): New function.
3241         (Incremental_inputs::finalize_inputs): Remove.
3242         (Incremental_inputs::report_input_section): New function.
3243         (Incremental_inputs::report_script): Rewrite.
3244         (Incremental_inputs::finalize): Do nothing but finalize string table.
3245         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3246         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3247         (Incremental_inputs::create_data_sections): New function.
3248         (Incremental_inputs::relocs_entsize): New function.
3249         (Output_section_incremental_inputs::set_final_data_size): New function.
3250         (Output_section_incremental_inputs::do_write): New function.
3251         (Output_section_incremental_inputs::write_header): New function.
3252         (Output_section_incremental_inputs::write_input_files): New function.
3253         (Output_section_incremental_inputs::write_info_blocks): New function.
3254         (Output_section_incremental_inputs::write_symtab): New function.
3255         * incremental.h (Incremental_script_entry): Forward declaration.
3256         (Incremental_object_entry): Forward declaration.
3257         (Incremental_archive_entry): Forward declaration.
3258         (Incremental_inputs): Forward declaration.
3259         (Incremental_inputs_header_data): Remove.
3260         (Incremental_inputs_header): Remove.
3261         (Incremental_inputs_header_write): Remove.
3262         (Incremental_inputs_entry_data): Remove.
3263         (Incremental_inputs_entry): Remove.
3264         (Incremental_inputs_entry_write): Remove.
3265         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3266         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3267         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3268         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3269         Likewise.
3270         (Incremental_input_entry): New class.
3271         (Incremental_script_entry): New class.
3272         (Incremental_object_entry): New class.
3273         (Incremental_archive_entry): New class.
3274         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3275         (Incremental_inputs::report_inputs): Remove.
3276         (Incremental_inputs::report_archive): Remove.
3277         (Incremental_inputs::report_archive_begin): New function.
3278         (Incremental_inputs::report_archive_end): New function.
3279         (Incremental_inputs::report_object): Change prototype.
3280         (Incremental_inputs::report_input_section): New function.
3281         (Incremental_inputs::report_script): Change prototype.
3282         (Incremental_inputs::get_reloc_count): New function.
3283         (Incremental_inputs::set_reloc_count): New function.
3284         (Incremental_inputs::create_data_sections): New function.
3285         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3286         (Incremental_inputs::inputs_section): New function.
3287         (Incremental_inputs::symtab_section): New function.
3288         (Incremental_inputs::relocs_section): New function.
3289         (Incremental_inputs::get_stringpool): Add const.
3290         (Incremental_inputs::command_line): Add const.
3291         (Incremental_inputs::inputs): Remove.
3292         (Incremental_inputs::command_line_key): New function.
3293         (Incremental_inputs::input_file_count): New function.
3294         (Incremental_inputs::input_files): New function.
3295         (Incremental_inputs::relocs_entsize): New function.
3296         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3297         (Incremental_inputs::finalize_inputs): Remove.
3298         (Incremental_inputs::Input_info): Remove.
3299         (Incremental_inputs::lock_): Remove.
3300         (Incremental_inputs::inputs_): Change type.
3301         (Incremental_inputs::inputs_map_): Remove.
3302         (Incremental_inputs::current_object_entry_): New data member.
3303         (Incremental_inputs::inputs_section_): New data member.
3304         (Incremental_inputs::symtab_section_): New data member.
3305         (Incremental_inputs::relocs_section_): New data member.
3306         (Incremental_inputs::reloc_count_): New data member.
3307         (Incremental_inputs_reader): New class.
3308         (Incremental_symtab_reader): New class.
3309         (Incremental_relocs_reader): New class.
3310         * layout.cc (Layout::finalize): Move finalization of incremental info
3311         and creation of incremental info sections to follow finalization of
3312         symbol table.  Set offsets for postprocessing sections.
3313         (Layout::create_incremental_info_sections): Call
3314         Incremental_inputs::create_data_sections.  Add incremental symtab
3315         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3316         sections to layout after input sections.
3317         * layout.h (struct Timespec): Forward declaration.
3318         (Layout::incremental_inputs): Add const.
3319         (Layout::create_incremental_info_sections): Add parameter.
3320         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3321         * object.cc: Include incremental.h.
3322         (Relobj::finalize_incremental_relocs): New function.
3323         (Sized_relobj::do_layout): Record input sections in incremental info.
3324         * object.h (Object::output_section): New function.
3325         (Object::output_section_offset): Moved from Relobj.
3326         (Object::get_incremental_reloc_base): New function.
3327         (Object::get_incremental_reloc_count): New function.
3328         (Object::do_output_section): New function.
3329         (Object::do_output_section_offset): Moved from Relobj.
3330         (Object::do_get_incremental_reloc_base): New function.
3331         (Object::do_get_incremental_reloc_count): New function.
3332         (Object::Object): Initialize new data members.
3333         (Relobj::output_section): Renamed do_output_section and moved to
3334         protected.
3335         (Relobj::output_section_offset): Moved to Object.
3336         (Relobj::do_get_incremental_reloc_base): New function.
3337         (Relobj::do_get_incremental_reloc_count): New function.
3338         (Relobj::allocate_incremental_reloc_counts): New function.
3339         (Relobj::count_incremental_reloc): New function.
3340         (Relobj::finalize_incremental_relocs): New function.
3341         (Relobj::next_incremental_reloc_index): New function.
3342         (Relobj::reloc_counts_): New data member.
3343         (Relobj::reloc_bases_): New data member.
3344         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3345         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3346         (Sized_relobj::incremental_relocs_scan): New function.
3347         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3348         (Sized_relobj::incremental_relocs_write): New function.
3349         (Sized_relobj::incremental_relocs_write_reltype): New function.
3350         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3351         incremental link.
3352         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3353         archives and object files elsewhere.
3354         (Add_symbols::run): Report object files here.
3355         (Finish_group::run): Report end of archive at end of group.
3356         * reloc.cc: Include layout.h, incremental.h.
3357         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3358         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3359         (Sized_relobj::incremental_relocs_scan): New function.
3360         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3361         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3362         (Sized_relobj::incremental_relocs_write): New function.
3363         (Sized_relobj::incremental_relocs_write_reltype): New function.
3364         * script.cc (read_input_script): Rewrite test for incremental link.
3365         Change call to Incremental_inputs::report_script.
3366         * symtab.h (Symbol_table::first_global_index): New function.
3367         (Symbol_table::output_count): New function.
3368
3369 2010-08-12  Doug Kwan  <dougkwan@google.com>
3370
3371         * arm.cc (Target_arm::merge_object_attributes): Check command line
3372         options --no-wchar-size-warning and --no-enum-size-warning.
3373         * options.h (General_options): Add ld-compatible options
3374         --no-enum-size-warning and --no-wchar-size-warning.
3375
3376 2010-08-04  Ian Lance Taylor  <iant@google.com>
3377
3378         * x86_64.cc (Target_x86_64::Scan::local): Use
3379         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3380         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3381         (Target_x86_64::Scan::global): Likewise.
3382         (Target_x86_64::Relocate::relocate): Likewise.
3383         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3384         Likewise.
3385
3386 2010-08-03  Cary Coutant  <ccoutant@google.com>
3387
3388         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3389         to reserve space in merged_strings vector. Keep total input size
3390         for stats.
3391         (Output_merge_string::do_print_merge_stats): Print total input size.
3392         * merge.h (Output_merge_string): Add input_size_ field.
3393         * stringpool.cc (Stringpool_template::string_length): Move
3394         implementations out of Stringpool_template class and place in
3395         stringpool.h.
3396         * stringpool.h (string_length): Move out of Stringpool_template.
3397
3398 2010-08-03  Ian Lance Taylor  <iant@google.com>
3399
3400         PR 11712
3401         * layout.cc (relaxation_loop_body): If address of load segment is
3402         set, adjust address to include headers if possible.
3403
3404 2010-08-03  Ian Lance Taylor  <iant@google.com>
3405
3406         * version.cc (version_string): Bump to 1.10.
3407
3408 2010-08-03  Ian Lance Taylor  <iant@google.com>
3409
3410         PR 11805
3411         * layout.h (enum Output_section_order): Define.
3412         (class Layout): Update declarations.
3413         * layout.cc (Layout::get_output_section): Add order parameter.
3414         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3415         is_first_non_relro parameters.  Change all callers.
3416         (Layout::choose_output_section): Likewise.
3417         (Layout::add_output_section_data): Likewise.
3418         (Layout::make_output_section): Likewise.  Set order.
3419         (Layout::default_section_order): New function.
3420         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3421         * output.cc (Output_section::Output_section): Initialize order_.
3422         Don't initialize deleted fields.
3423         (Output_segment::Output_segment): Don't initialize deleted
3424         fields.
3425         (Output_segment::add_output_section_to_load): New function
3426         replacing add_output_section.  Change all callers to call this or
3427         add_output_section_to_nonload.
3428         (Output_segment::add_output_section_to_nonload): New function.
3429         (Output_segment::remove_output_section): Rewrite.
3430         (Output_segment::add_initial_output_data): Likewise.
3431         (Output_segment::has_any_data_sections): Likewise.
3432         (Output_segment::is_first_section_relro): Likewise.
3433         (Output_segment::maximum_alignment): Likewise.
3434         (Output_segment::has_dynamic_reloc): New function replacing
3435         dynamic_reloc_count.  Change all callers.
3436         (Output_segment::has_dynamic_reloc_list): New function replacing
3437         dynamic_reloc_count_list.  Change all callers.
3438         (Output_segment::set_section_addresses): Rewrite.
3439         (Output_segment::set_offset): Rewrite.
3440         (Output_segment::find_first_and_last_list): Remove.
3441         (Output_segment::set_tls_offsets): Rewrite.
3442         (Output_segment::first_section_load_address): Likewise.
3443         (Output_segment::output_section_count): Likewise.
3444         (Output_segment::section_with_lowest_load_address): Likewise.
3445         (Output_segment::write_section_headers): Likewise.
3446         (Output_segment::print_sections_to_map): Likewise.
3447         * output.h (class Output_data): Remove dynamic_reloc_count_
3448         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3449         (Output_data::add_dynamic_reloc): Rewrite.
3450         (Output_data::has_dynamic_reloc): New function.
3451         (Output_data::dynamic_reloc_count): Remove.
3452         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3453         is_last_relro_, is_first_non_relro_, is_interp_,
3454         is_dynamic_linker_section_ fields.  Add order and set_order
3455         functions.  Remove is_relro_local, set_is_relro_local,
3456         is_last_relro, set_is_last_relro, is_first_non_relro,
3457         set_is_first_non_relro functions, is_interp, set_is_interp,
3458         is_dynamic_linker_section, and set_is_dynamic_linker_section
3459         functions.
3460         (class Output_segment): Change Output_data_list from std::list to
3461         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3462         output_bss_ fields.  Update declarations.
3463
3464 2010-08-02  Ian Lance Taylor  <iant@google.com>
3465
3466         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3467         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3468         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3469
3470 2010-08-02  Ian Lance Taylor  <iant@google.com>
3471
3472         PR 11855
3473         * script.cc (Script_options::Script_options): Initialize
3474         symbol_definitions_ and symbol_references_.
3475         (Script_options::add_symbol_assignment): Update
3476         symbol_definitions_ and symbol_references_.
3477         (Script_options::add_symbol_reference): New function.
3478         (script_symbol): New function.
3479         * script.h (class Script_options): Add symbol_definitions_ and
3480         symbol_references_ fields.
3481         (Script_options::referenced_const_iterator): New type.
3482         (Script_options::referenced_begin): New function.
3483         (Script_options::referenced_end): New function.
3484         (Script_options::is_referenced): New function.
3485         (Script_options::any_unreferenced): New function.
3486         * script-c.h (script_symbol): Declare.
3487         * yyscript.y (exp): Call script_symbol.
3488         * symtab.cc: Include "script.h".
3489         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3490         Change all callers.  Check symbols referenced by scripts.
3491         (Symbol_table::add_undefined_symbols_from_command_line): Add
3492         layout parameter.  Change all callers.
3493         (Symbol_table::do_add_undefined_symbols_from_command_line):
3494         Likewise.  Break out loop body.  Check symbols referenced by
3495         scripts.
3496         (Symbol_table::add_undefined_symbol_from_command_line): New
3497         function broken out of
3498         do_add_undefined_symbols_from_command_line.
3499         * symtab.h (class Symbol_table): Update declarations.
3500         * archive.cc: Include "layout.h".
3501         (Archive::should_include_member): Add layout parameter.  Change
3502         all callers.  Check for symbol mentioned in expression.
3503         * archive.h (class Archive): Update declaration.
3504         * object.cc (Sized_relobj::do_should_include_member): Add layout
3505         parameter.
3506         * object.h (Object::should_include_member): Add layout parameter.
3507         Change all callers.
3508         (Object::do_should_include_member): Add layout parameter.
3509         (class Sized_relobj): Update declaration.
3510         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3511         parameter.
3512         * dynobj.h (class Sized_dynobj): Update declaration.
3513         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3514         layout parameter.
3515         * plugin.h (class Sized_pluginobj): Update declaration.
3516
3517 2010-08-02  Ian Lance Taylor  <iant@google.com>
3518
3519         PR 11866
3520         * output.cc (Output_segment::set_offset): Search for the first and
3521         last sections rather than assuming that the list is in order.
3522         (Output_segment::find_first_and_last_list): New function.
3523         * output.h (class Output_segment): Update declarations.
3524         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3525         (relro_strip_test_SOURCES): New variable.
3526         (relro_strip_test_DEPENDENCIES): New variable.
3527         (relro_strip_test_LDFLAGS): New variable.
3528         (relro_strip_test_LDADD): New variable.
3529         (relro_strip_test.so): New target.
3530
3531 2010-08-02  Ian Lance Taylor  <iant@google.com>
3532
3533         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3534         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3535         (Target_i386::got_tlsdesc_section): New function.
3536         (Target_i386::got_section): Create space for GOT entries for
3537         TLSDESC relocations.
3538         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3539         R_386_TLS_GOTDESC.
3540         (Target_i386::Scan::global): Likewise.
3541         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3542         using TLSDESC GOT.
3543         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3544         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3545         (Target_x86_64::got_tlsdesc_section): New function.
3546         (Target_x86_64::got_section): Create space for GOT entries for
3547         TLSDESC relocations.
3548         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3549         R_386_TLS_GOTDESC.
3550         (Target_x86_64::Scan::global): Likewise.
3551         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3552         using TLSDESC GOT.
3553
3554 2010-08-02  Ian Lance Taylor  <iant@google.com>
3555
3556         * testsuite/final_layout.sh: Use dc to convert from hex to
3557         decimal.
3558
3559 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
3560
3561         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3562         paramter to the call to gold::gc_process_relocs.
3563         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3564         paramter to the call to gold::gc_process_relocs.
3565         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3566         parameter to the call to gold::gc_process_relocs.
3567         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3568         template parameter to the call to gold::gc_process_relocs.
3569         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3570         paramter to the call to gold::gc_process_relocs.
3571         * gc.h (get_embedded_addend_size): New function.
3572         (gc_process_relocs): Save the size of the reloc for use by ICF.
3573         * icf.cc (get_section_contents): Get the addend from the text section
3574         for SHT_REL relocation sections.
3575         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3576         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3577         * int_encoding.h (read_from_pointer): New overloaded function.
3578         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3579         * testsuite/icf_sht_rel_addend_test.sh: New file.
3580         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3581         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3582
3583 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3584
3585         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3586         * Makefile.in: Regenerate.
3587         * testsuite/Makefile.in: Regenerate.
3588
3589 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
3590
3591         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3592         * gold/testsuite/debug_msg.cc: Likewise.
3593         * gold/testsuite/odr_violation1.cc
3594         * gold/testsuite/odr_violation2.cc
3595
3596 2010-07-21  Cary Coutant  <ccoutant@google.com>
3597
3598         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3599         string, and length fields.
3600         (Output_merge_string::Merged_strings_list): New type.
3601         (Output_merge_string::Merged_strings_lists): New typedef.
3602         (Output_merge_string): Replace merged_strings_ with
3603         merged_strings_lists_.
3604         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3605         Merged_strings_list per input object and section.  Don't store pointer
3606         to the string.  Don't store length with each merged string entry.
3607         (Output_merge_string::finalize_merged_data): Loop over list of merged
3608         strings lists.  Recompute length of each merged string.
3609
3610 2010-07-15  Cary Coutant  <ccoutant@google.com>
3611
3612         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3613         here.
3614
3615 2010-07-14  Ian Lance Taylor  <iant@google.com>
3616
3617         * descriptors.cc (Descriptors::open): Report correct name in error
3618         message.
3619
3620 2010-07-13  Doug Kwan  <dougkwan@google.com>
3621
3622         * arm.cc (Arm_input_section::Arm_input_section): For a
3623         SHT_ARM_EXIDX section, always keeps the input sections.
3624         (Arm_input_section::set_exidx_section_link): New method.
3625         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3626         has_errors_ to false.
3627         (Arm_exidx_input_section::has_errors,
3628         Arm_exidx_input_section::set_has_errors): New methods.
3629         (Arm_exidx_input_section::has_errors_): New data member.
3630         (Arm_relobj::get_exidx_shndx_list): New method.
3631         (Arm_output_section::append_text_sections_to_list): Do not skip
3632         section without SHF_EXECINSTR.
3633         (Arm_output_section::fix_exidx_coverage): Skip input sections with
3634         errors.
3635         (Arm_relobj::make_exidx_input_section): Add new parameter for text
3636         section header.  Make error messages more verbose.  Check for
3637         a non-executable section linked to an EXIDX section.
3638         (Arm_relobj::do_read_symbols): Remove error checking, which has been
3639         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
3640         check that there is no deferred EXIDX section if we exit early.
3641         Instead of not making an EXIDX section in case of an error, make one
3642         and set the has_errors flag of it.
3643         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3644         in a relocatable link.
3645         (Target_arm::do_relax): Look for the EXIDX output section instead of
3646         assuming that it is called .ARM.exidx.
3647         (Target_arm::fix_exidx_coverage): Add a new parameter for input
3648         section list.  Do not check for SHF_EXECINSTR section flags but
3649         skip any input section with errors.
3650         * output.cc (Output_section::Output_section): Initialize
3651         always_keeps_input_sections_ to false.
3652         (Output_section::add_input_section): Check for
3653         always_keeps_input_sections_.
3654         *  output.h (Output_section::always_keeps_input_sections,
3655         Output_section::set_always_keeps_input_sections): New methods.
3656         (Output_section::always_keeps_input_sections): New data member.
3657
3658 2010-07-13  Rafael Espindola  <espindola@google.com>
3659
3660         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
3661         * fileread.h (Input_file): Add try_extra_search_path and find_file.
3662
3663 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
3664             Ian Lance Taylor  <iant@google.com>
3665
3666         * output.h (Output_section_lookup_maps::add_merge_section):
3667         Correct check of whether value was inserted.
3668         (Output_section_lookup_maps::add_merge_input_section): Likewise.
3669         (Output_section_lookup_maps::add_relaxed_input_section):
3670         Likewise.
3671         * arm.cc (Target_arm::got_section): Remove used local os.
3672         * i386.cc (Target_i386::got_section): Likewise.
3673         * x86_64.cc (Target_x86_64::got_section): Likewise.
3674         * sparc.cc (Target_sparc::got_section): Likewise.
3675         (Target_sparc::relocate): Remove unused local have_got_offset.
3676         * powerpc.cc (Target_powerpc::relocate): Likewise.
3677
3678 2010-07-13  Ian Lance Taylor  <iant@google.com>
3679
3680         * compressed_output.cc (zlib_decompress): Fix signature in
3681         !HAVE_ZLIB_H case.
3682
3683         * archive.cc (Archive::include_member): Unlock an external member
3684         of a thin archive.  Don't bother to delete an object we know is
3685         NULL.
3686
3687 2010-07-12  Cary Coutant  <ccoutant@google.com>
3688
3689         * compressed_output.cc (zlib_decompress): New function.
3690         (get_uncompressed_size): New function.
3691         (decompress_input_section): New function.
3692         * compressed_output.h (get_uncompressed_size): New function.
3693         (decompress_input_section): New function.
3694         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
3695         Handle compressed debug sections.
3696         * layout.cc (is_compressed_debug_section): New function.
3697         (Layout::output_section_name): Map compressed section names to
3698         canonical names.
3699         * layout.h (is_compressed_debug_section): New function.
3700         (is_debug_info_section): Recognize compressed debug sections.
3701         * merge.cc: Include compressed_output.h.
3702         (Output_merge_data::do_add_input_section): Handle compressed
3703         debug sections.
3704         (Output_merge_string::do_add_input_section): Handle compressed
3705         debug sections.
3706         * object.cc: Include compressed_output.h.
3707         (Sized_relobj::Sized_relobj): Initialize new data members.
3708         (build_compressed_section_map): New function.
3709         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
3710         * object.h (Object::section_is_compressed): New method.
3711         (Object::do_section_is_compressed): New method.
3712         (Sized_relobj::Compressed_section_map): New type.
3713         (Sized_relobj::do_section_is_compressed): New method.
3714         (Sized_relobj::compressed_sections_): New data member.
3715         * output.cc (Output_section::add_input_section): Handle compressed
3716         debug sections.
3717         * reloc.cc: Include compressed_output.h.
3718         (Sized_relobj::write_sections): Handle compressed debug sections.
3719
3720 2010-07-08  Cary Coutant  <ccoutant@google.com>
3721
3722         * resolve.cc (Symbol_table::resolve): Remember whether undef was
3723         weak when resolving to a dynamic def.
3724         (Symbol_table::should_override): Add adjust_dyndef flag; set it
3725         for weak undef/dynamic def cases. Adjust callers.
3726         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
3727         undef_binding_weak_.
3728         (Symbol_table::sized_write_globals): Adjust symbol binding.
3729         (Symbol_table::sized_write_symbol): Add binding parameter.
3730         * symtab.h (Symbol::set_undef_binding): New method.
3731         (Symbol::is_undef_binding_weak): New method.
3732         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
3733         (Symbol_table::should_override): Add new parameter.
3734         (Symbol_table::sized_write_symbol): Add new parameter.
3735
3736         * testsuite/weak_undef_file1.cc: Add new test case.
3737         * testsuite/weak_undef_file2.cc: Fix header comment.
3738         * testsuite/weak_undef_test.cc: Add new test case.
3739
3740 2010-06-29  Doug Kwan  <dougkwan@google.com>
3741
3742         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
3743         Initialize USE_SYMBOL_.
3744         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
3745         definition.
3746         (Arm_reloc_property::uses_symbol_): New data member declaration.
3747         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
3748         uses symbol value and symbol is undefined but not weakly undefined.
3749
3750 2010-06-28  Rafael Espindola  <espindola@google.com>
3751
3752         * plugin.cc (Plugin::load): Use dlerror.
3753
3754 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
3755
3756         * symtab.cc (detect_odr_violations): When reporting an ODR
3757         violation, report an object where the symbol is defined.
3758
3759 2010-06-25  Doug Kwan  <dougkwan@google.com>
3760
3761         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
3762         (Target_arm::section_may_have_icf_unsafe_pointers): New method
3763         definition.
3764         (Target_arm::Scan::local_reloc_may_be_function_pointer,
3765         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
3766         target hook to detect function points.
3767         (Target_arm::Scan::possible_function_pointer_reloc): New method.
3768         * icf.h (Icf::check_section_for_function_pointers): Change type of
3769         parameter SECTION_NAME to const reference to std::string.  Use
3770         target hook to determine if section may have unsafe pointers.
3771         * target.h (Target::section_may_have_icf_unsafe_pointers): New
3772         method definition.
3773
3774 2010-06-21  Rafael Espindola  <espindola@google.com>
3775
3776         * fileread.cc (Input_file::find_fie): New
3777         (Input_file::open): Use Input_file::find_fie.
3778         * fileread.h (Input_file::find_fie): New
3779         * plugin.cc (set_extra_library_path): New.
3780         (Plugin::load): Add set_extra_library_path to the transfer vector.
3781         (Plugin_manager::set_extra_library_path): New.
3782         (Plugin_manager::add_input_file): Use the extra search path if set.
3783         (set_extra_library_path(): New.
3784         * plugin.h (Plugin_manager): Add set_extra_library_path and
3785         extra_search_path_.
3786
3787 2010-06-19  Cary Coutant  <ccoutant@google.com>
3788
3789         * layout.cc (gdb_sections): Add .debug_types.
3790         (lines_only_debug_sections): Likewise.
3791
3792 2010-06-18  Rafael Espindola  <espindola@google.com>
3793
3794         * plugin.cc (add_input_file,add_input_library)
3795         (Plugin_manager::add_input_file): Make filename arguments const.
3796         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
3797         const.
3798
3799 2010-06-16  Doug Kwan  <dougkwan@google.com>
3800
3801         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
3802         .ARM.attributes section if we have not merged any input
3803         attributes sections.
3804
3805 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3806
3807         * arm.cc: Allow combining objects with no EABI version
3808         information.
3809
3810 2010-06-15  Rafael Espindola  <espindola@google.com>
3811
3812         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
3813
3814 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3815
3816         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
3817         (struct iovec): Correct !HAVE_READV definition.
3818
3819 2010-06-10  Cary Coutant  <ccoutant@google.com>
3820
3821         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
3822         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
3823         reloc sections.
3824         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
3825
3826         PR 11683
3827         * symtab.h (Symbol::is_placeholder): New member function.
3828         * target-reloc.h (relocate_section): Check for placeholder symbols.
3829
3830         * testsuite/Makefile.am (plugin_test_8): New test.
3831         (plugin_test_9): New test.
3832         * testsuite/Makefile.in: Regenerate.
3833
3834 2010-06-09  Nick Clifton  <nickc@redhat.com>
3835
3836         * yyscript.y (input_list_element): Allow strings prefixed with
3837         the '-' character.  Treat these as libraries.
3838         * script.cc (script_add_library): New function.  Adds a library
3839         specified by "-l<name>" found in an input script.
3840         * script-c.h: Add prototype for script_add_library.
3841
3842 2010-06-07  Doug Kwan  <dougkwan@google.com>
3843
3844         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
3845         Restrict stub-group size to be within long conditional branch
3846         range when working around cortex-A8 erratum.
3847
3848 2010-06-07  Damien Diederen  <dd@crosstwine.com>
3849
3850         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
3851         #ifdef typo.
3852
3853 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
3854
3855         PR gold/11658
3856         * output.cc
3857         (Output_section::Input_section_sort_entry::compare_section_ordering):
3858         Change to return non-zero correctly.
3859         (Output_section::Input_section_sort_section_order_index_compare
3860         ::operator()): Change to fix ambiguity in comparisons.
3861
3862 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
3863
3864         * gold.h (is_wildcard_string): New function.
3865         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
3866         (Layout::layout_eh_frame): Ditto.
3867         (Layout::find_section_order_index): New method.
3868         (Layout::read_layout_from_file): New method.
3869         * layout.h (Layout::find_section_order_index): New method.
3870         (Layout::read_layout_from_file): New method.
3871         (Layout::input_section_position_): New private member.
3872         (Layout::input_section_glob_): New private member.
3873         * main.cc (main): Call read_layout_from_file here.
3874         * options.h (--section-ordering-file): New option.
3875         * output.cc (Output_section::input_section_order_specified_): New
3876         member.
3877         (Output_section::Output_section): Initialize new member.
3878         (Output_section::add_input_section): Add new parameter.
3879         Keep input sections when --section-ordering-file is used.
3880         (Output_section::set_final_data_size): Sort input sections when
3881         section ordering file is specified.
3882         (Output_section::Input_section_sort_entry): Add new parameter.
3883         Check sorting type.
3884         (Output_section::Input_section_sort_entry::compare_section_ordering):
3885         New method.
3886         (Output_section::Input_section_sort_compare::operator()): Change to
3887         consider section_order_index.
3888         (Output_section::Input_section_sort_init_fini_compare::operator()):
3889         Change to consider section_order_index.
3890         (Output_section::Input_section_sort_section_order_index_compare
3891         ::operator()): New method.
3892         (Output_section::sort_attached_input_sections): Change to sort
3893         according to section order when specified.
3894         (Output_section::add_input_section<32, true>): Add new parameter.
3895         (Output_section::add_input_section<64, true>): Add new parameter.
3896         (Output_section::add_input_section<32, false>): Add new parameter.
3897         (Output_section::add_input_section<64, false>): Add new parameter.
3898         * output.h (Output_section::add_input_section): Add new parameter.
3899         (Output_section::input_section_order_specified): New
3900         method.
3901         (Output_section::set_input_section_order_specified): New method.
3902         (Input_section::Input_section): Initialize section_order_index_.
3903         (Input_section::section_order_index): New method.
3904         (Input_section::set_section_order_index): New method.
3905         (Input_section::section_order_index_): New member.
3906         (Input_section::Input_section_sort_section_order_index_compare): New
3907         struct.
3908         (Output_section::input_section_order_specified_): New member.
3909         * script-sections.cc (is_wildcard_string): Delete and move modified
3910         method to gold.h.
3911         (Output_section_element_input::Output_section_element_input): Modify
3912         call to is_wildcard_string.
3913         (Output_section_element_input::Input_section_pattern
3914         ::Input_section_pattern): Ditto.
3915         (Output_section_element_input::Output_section_element_input): Ditto.
3916         * testsuite/Makefile.am (final_layout): New test case.
3917         * testsuite/Makefile.in: Regenerate.
3918         * testsuite/final_layout.cc: New file.
3919         * testsuite/final_layout.sh: New file.
3920
3921 2010-06-01  Rafael Espindola  <espindola@google.com>
3922
3923         * plugin.cc (Plugin::load): Pass the output name to the plugin.
3924
3925 2010-06-01  Rafael Espindola  <espindola@google.com>
3926
3927         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
3928         visibility of symbols.
3929
3930 2010-05-27  Doug Kwan  <dougkwan@google.com>
3931
3932         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
3933         from start of output section instead of address for a local symbol
3934         in a merged or relaxed section when doing a relocatable link.
3935
3936 2010-05-26  Rafael Espindola  <espindola@google.com>
3937
3938        PR 11604
3939         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
3940         adding sections the garbage collector removed.
3941         * gold/testsuite/Makefile.am: Add test.
3942         * gold/testsuite/Makefile.in: Regenerate.
3943         * gold/testsuite/plugin_test_7.sh: New.
3944         * gold/testsuite/plugin_test_7_1.c: New.
3945         * gold/testsuite/plugin_test_7_2.c: New.
3946
3947 2010-05-26  Rafael Espindola  <espindola@google.com>
3948
3949         * script-sections.cc (Output_section_definition::set_section_addresses):
3950         Check for --section-start.
3951
3952 2010-05-26  Doug Kwan  <dougkwan@google.com>
3953
3954         * arm.cc (Arm_scan_relocatable_relocs): New class.
3955         (Target_arm::relocate_special_relocatable): New method.
3956         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
3957         (Arm_relocate_functions::thumb_branch_common): Same.
3958         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
3959         instead of Default_scan_relocatable_relocs.
3960         * target-reloc.h (relocate_for_relocatable): Let target handle
3961         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
3962         * target.h (Sized_target::relocate_special_relocatable): New method.
3963
3964 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3965
3966         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
3967
3968 2010-05-23  Doug Kwan  <dougkwan@google.com>
3969
3970         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
3971         instead of a cast.
3972         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
3973         with a direct branch, not a conditional branch, to a stub.
3974         * merge.cc (Output_merge_base::record_input_section): New method
3975         defintion.
3976         (Output_merge_data::do_add_input_section): Record input section if
3977         keeps-input-sections flag is set.
3978         (Output_merge_string::do_add_input_section): Ditto.
3979         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
3980         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
3981         INPUT_SECTIONS_.
3982         (Output_merge_base::keeps_input_sections,
3983         Output_merge_base::set_keeps_input_sections,
3984         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
3985         method definitions.
3986         (Output_merge_base::Input_sections): New type declaration.
3987         (Output_merge_base::input_sections_begin,
3988         Output_merge_base::input_sections_end,
3989         Output_merge_base::do_set_keeps_input_sections): New method definitions.
3990         (Output_merge_base::bool keeps_input_sections_,
3991         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
3992         Output_merge_base::input_sections_): New data members.
3993         (Output_merge_data::do_set_keeps_input_sections): New method
3994         defintion.
3995         (Output_merge_string::do_set_keeps_input_sections): Ditto.
3996         * output.cc (Output_section::Input_section::relobj): Move method
3997         defintion from class declaration to here and handle merge sections.
3998         (Output_section::Input_section::shndx): Ditto.
3999         (Output_section::Output_section): Remove initializations of removed
4000         data members and initialize new data member LOOKUP_MAPS_.
4001         (Output_section::add_input_section): Set keeps-input-sections flag
4002         for a newly created merge output section as appropriate.  Adjust code
4003         to use Output_section_lookup_maps class.
4004         (Output_section::add_relaxed_input_section): Adjst code for lookup
4005         maps code refactoring.
4006         (Output_section::add_merge_input_section): Add a new parameter
4007         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4008         class.  If adding input section to a newly created merge output
4009         section fails, remove the new merge section.
4010         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4011         Adjust code for use of the Output_section_lookup_maps class.
4012         (Output_section::find_merge_section): Ditto.
4013         (Output_section::build_lookup_maps): New method defintion.
4014         (Output_section::find_relaxed_input_section): Adjust code to use
4015         Output_section_lookup_maps class.
4016         (Output_section::get_input_sections): Export merge sections.  Adjust
4017         code to use Output_section_lookup_maps class.
4018         (Output_section:::add_script_input_section): Adjust code to use
4019         Output_section_lookup_maps class.  Update lookup maps for merge
4020         sections also.
4021         (Output_section::discard_states): Use Output_section_lookup_maps.
4022         (Output_section::restore_states): Same.
4023         * output.h (Merge_section_properties): Move class defintion out of
4024         Output_section.
4025         (Output_section_lookup_maps): New class.
4026         (Output_section::Input_section::is_merge_section): New method
4027         defintion.
4028         (Output_section::Input_section::relobj): Move defintion out of class
4029         defintion.  Declare method only.
4030         (Output_section::Input_section::shndx): Ditto.
4031         (Output_section::Input_section::output_merge_base): New method defintion.
4032         (Output_section::Input_section::u2_.pomb): New union field.
4033         (Output_section::Merge_section_by_properties_map,
4034         Output_section::Output_section_data_by_input_section_map,
4035         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4036         Remove types.
4037         (Output_section::add_merge_input_section): Add new parameter
4038         KEEPS_INPUT_SECTIONS.
4039         (Output_section::build_lookup_maps): New method declaration.
4040         (Output_section::merge_section_map_,
4041         Output_section::merge_section_by_properties_map_,
4042         Output_section::relaxed_input_section_map_,
4043         Output_section::is_relaxed_input_section_map_valid_): Remove data
4044         members.
4045         (Output_section::lookup_maps_): New data member.
4046
4047 2010-05-21  Doug Kwan  <dougkwan@google.com>
4048
4049         PR gold/11619
4050         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4051         avoid a compilation error.
4052
4053 2010-05-19  Rafael Espindola  <espindola@google.com>
4054
4055         * script-sections.cc (Output_section_definition::allocate_to_segment):
4056         Update the phdrs_list even when the output section is NULL.
4057         * testsuite/Makefile.am: Add test.
4058         * testsuite/Makefile.in: Regenerate.
4059         * testsuite/script_test_9.cc: New.
4060         * testsuite/script_test_9.sh: New.
4061         * testsuite/script_test_9.t: New.
4062
4063 2010-05-19  Doug Kwan  <dougkwan@google.com>
4064
4065         * arm.cc (Arm_input_section::original_size): New method.
4066         (Arm_input_section::do_addralign): Add a cast.
4067         (Arm_input_section::do_output_offset): Remove static cast.
4068         (Arm_input_section::original_addralign,
4069          Arm_input_section::original_size_): Change type to uint32_t.
4070         (Arm_input_section::init): Add safe casts for section alignment
4071         and size.
4072         (Arm_input_section::set_final_data_size): Do not set address and
4073         offset of stub table.
4074         (Arm_output_section::fix_exidx_coverage): Change use of of
4075         Output_section::Simple_input_section to that of
4076         Output_section::Input_section.
4077         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4078         except for the first pass.
4079         * output.cc (Output_section::get_input_sections): Change type of
4080         input_sections to std::list<Input_section>.
4081         (Output_section::add_script_input_section): Rename from
4082         Output_section::add_simple_input_section.  Change type of SIS
4083         parameter from Simple_input_section to Input_section.
4084         * output.h (Output_section::Simple_input_section): Remove class.
4085         (Output_section::Input_section): Change class visibility to public.
4086         (Output_section::Input_section::addralign): Use stored alignments
4087         for special input sections if set.
4088         (Output_section::Input_section::set_addralign): New method.
4089         (Output_section::get_input_sections): Change parameter type from
4090         list of Simple_input_section to list of Input_section.
4091         (Output_section::add_script_input_section): Rename from
4092         Output_section::add_simple_input_section. Change first parameter's
4093         type from Simple_input_section to Input_section and remove the
4094         second and third parameters.
4095         * script-sections.cc (Input_section::Input_section_list): Change
4096         type to list of Output_section::Input_section/
4097         (Input_section_info::Input_section_info): Change parameter type of
4098         INPUT_SECTION to Output_section::Input_section.
4099         (Input_section_info::input_section): Change return type.
4100         (Input_section_info::input_section_): Change type to
4101         Output_section::Input_section.
4102         (Output_section_element_input::set_section_addresses): Adjust code
4103         to use Output_section::Input_section instead of
4104         Output_section::Simple_input_section.  Adjust code for renaming
4105         of Output_section::add_simple_input_section.
4106         (Orphan_output_section::set_section_addresses): Ditto.
4107
4108 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4109
4110         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4111         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4112
4113 2010-05-18  Rafael Espindola  <espindola@google.com>
4114
4115         * options.cc (General_options::finalize): Handle -nostdlib.
4116         * options.h (nostdlib): New option.
4117         * script.cc (script_add_search_dir): Handle -nostdlib.
4118
4119 2010-05-12  Doug Kwan  <dougkwan@google.com>
4120
4121         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4122         attributes section only if there no attributes section after merging.
4123         (Target_arm::merge_object_attributes): Move value of
4124         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4125         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4126         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4127         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4128         and arm_attr_merge_7.stdout.
4129         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4130         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4131         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4132         arm_attr_merge_7b.o): New rules.
4133         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4134         arm_attr_merge_7
4135         * testsuite/Makefile.in: Regenerate.
4136         * testsuite/arm_attr_merge.sh: New file.
4137         * testsuite/arm_attr_merge_[67][ab].s: Same.
4138
4139 2010-05-05  Nick Clifton  <nickc@redhat.com>
4140
4141         * po/es.po: Updated Spanish translation.
4142
4143 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4144
4145         * Makefile.am (install-exec-local): Properly install gold as
4146         default cross linker.
4147         * Makefile.in: Regenerated.
4148
4149 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4150             Nick Clifton  <nickc@redhat.com>
4151
4152         * configure.ac (install_as_default): Define and set to false
4153         unless --enable-gold or --enable-gold=both/gold has been
4154         specified.
4155         * configure: Regenerate.
4156
4157         * Makefile.am (install-exec-local): Install the executable as
4158         'ld.gold'.  If install_as_default is true then also install it as
4159         'ld'.
4160         * Makefile.in: Regenerated.
4161
4162 2010-04-24  Ian Lance Taylor  <iant@google.com>
4163
4164         * layout.cc (Layout::layout_reloc): In relocatable link don't
4165         combine reloc sections for grouped sections.
4166
4167 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4168
4169         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4170         sections that are not ordinary to icf.
4171         * icf.cc (get_section_contents): Handle relocation pointing to section
4172         with no object or shndx information.
4173         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4174         * testsuite/Makefile.in: Regenerate.
4175         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4176         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4177
4178 2010-04-22  Ian Lance Taylor  <iant@google.com>
4179
4180         * expression.cc (Expression::Expression_eval_info): Add
4181         result_alignment_pointer field.
4182         (Expression::eval_with_dot): Add result_alignment_pointer
4183         parameter.  Change all callers.
4184         (Expression::eval_maybe_dot): Likewise.
4185         (class Binary_expression): Add alignment_pointer parameter to
4186         left_value and right_value.  Change all callers.
4187         (BINARY_EXPRESSION): Set result alignment.
4188         (class Trinary_expression): Add alignment_pointer parameter to
4189         arg2_value and arg3_value.  Change all callers.
4190         (Trinary_cond::value): Set result alignment.
4191         (Max_expression::value, Min_expression::value): Likewise.
4192         (Align_expression::value): Likewise.
4193         * script-sections.cc (class Sections_element): Add dot_alignment
4194         parameter to set_section_addresses virtual function.  Update
4195         instantiations.
4196         (class Output_section_element): Likewise.
4197         (Script_sections::create_segments): Add dot_alignment parameter.
4198         Change all callers.
4199         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4200         (Script_sections::set_phdrs_clause_addresses): Likewise.
4201         * script-sections.h: Update declarations.
4202         * script.h: Update declarations.
4203         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4204         min_p_align.
4205         * testsuite/script_test_3.t: Set large alignment.
4206         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4207         segment has expected alignment.
4208
4209 2010-04-22  Nick Clifton  <nickc@redhat.com>
4210
4211         * po/gold.pot: Updated by the Translation project.
4212         * po/vi.po: Updated Vietnamese translation.
4213
4214 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4215
4216         * testsuite/Makefile.am (check_PROGRAMS): Add
4217         icf_virtual_function_folding_test.
4218         * testsuite/Makefile.in: Regenerated.
4219
4220 2010-04-15  Andrew Haley  <aph@redhat.com>
4221
4222         * options.h (merge_exidx_entries): New option.
4223         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4224         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4225         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4226         (Target_arm::merge_exidx_entries): New function.
4227         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4228         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4229         to Arm_exidx_fixup constructor.
4230         Add new arg, merge_exidx_entries.
4231         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4232         Arm_output_section::fix_exidx_coverage.
4233
4234 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4235
4236         * icf.cc (get_section_contents): Check for preemptible functions.
4237         Ignore addend when appropriate.
4238         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4239         section folded.
4240         (add_from_relobj): Check for section folded.
4241         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4242         * symtab.h (should_add_dynsym_entry): Add new parameter.
4243         * target-reloc.h (scan_relocs): Check for section folded.
4244         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4245         Check reloc types for function pointers in shared objects.
4246         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4247         case.
4248         (icf_preemptible_functions_test): New test case.
4249         (icf_string_merge_test): New test case.
4250         * testsuite.Makefile.in: Regenerate.
4251         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4252         bar_glob.  Refactor code.
4253         * testsuite/icf_preemptible_functions_test.cc: New file.
4254         * testsuite/icf_preemptible_functions_test.sh: New file.
4255         * testsuite/icf_string_merge_test.cc: New file.
4256         * testsuite/icf_string_merge_test.sh: New file.
4257         * testsuite/icf_virtual_function_folding_test.cc: New file.
4258         * testsuite/icf_virtual_function_folding_test.sh: New file.
4259
4260 2010-04-14  Doug Kwan  <dougkwan@google.com>
4261
4262         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4263         for local symbol recounting if we remove a section due to ICF.
4264         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4265         there are no regular objects in input.
4266
4267 2010-04-13  Doug Kwan  <dougkwan@google.com>
4268
4269         * arm.cc (Arm_input_section::set_final_data_size): Compute
4270         accurate final data size instead of using current data size.
4271
4272 2010-04-09  Doug Kwan  <dougkwan@google.com>
4273
4274         * layout.cc (Layout::choose_output_section): Handle script section
4275         types.
4276         (Layout::make_output_section_for_script): Add section type parameter.
4277         Handle script section types.
4278         * layout.h (Layout::make_output_section_for_script): Add section
4279         type parameter.
4280         * output.cc (Output_section::Output_section): Initialize data member
4281         is_noload_.
4282         (Output_section::do_reset_address_and_file_offset): Do not set address
4283         to 0 if section is a NOLOAD section.
4284         * output.h (Output_section::is_noload): New method.
4285         (Output_section::set_is_noload): Ditto.
4286         (Output_section::is_noload_): New data member.
4287         * script-c.h (Script_section_type): New enum type.
4288         (struct Parser_output_section_header): Add new file section_type.
4289         * script-sections.cc (Sections_element::output_section_name): Add
4290         parameter for returning script section type.
4291         (Output_section_definition::output_section_name): Ditto.
4292         (Output_section_definition::section_type)P; New method.
4293         (Output_section_definiton::script_section_type_name): Ditto.
4294         (Output_section_definition::script_section_type_): New data member.
4295         (Output_section_definition::Output_section_definition): Initialize
4296         data member Output_section_definition::script_section_type_.
4297         (Output_section_definition::create_sections): Pass script section type
4298         to Layout::make_output_section_for_script.
4299         (Output_section_definition::output_section_name): Return script
4300         section type to caller.
4301         (Output_section_definition::set_section_address): Do not advance
4302         dot value and load address if section type is NOLOAD.  Set address
4303         of NOLOAD sections regardless of section flags.
4304         (Output_section_definition::print): Print section type if it is
4305         not SCRIPT_SECTION_TYPE_NONE.
4306         (Output_section_definition::section_type): New method.
4307         (Output_section_definition::script_section_type_name): Ditto.
4308         (Script_sections::output_section_name): Add new parameter
4309         PSECTION_TYPE for returning script section type.  Pass it to
4310         section elements.  Handle discard sections.
4311         (Sort_output_sections::operator()): Handle NOLOAD sections.
4312         * script-sections.h (Script_sections::Section_type): New enum type.
4313         (Script_sections::output_section_name): Add a new parameter for
4314         returning script section type.
4315         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4316         INFO and NOLOAD.
4317         * yyscript.y (union): Add new field SECTION_TYPE.
4318         (COPY, DSECT, INFO, NOLOAD): New tokens.
4319         (opt_address_and_section_type): Change type to output_section_header.
4320         (section_type): New non-terminal
4321         (section_header): Handle section type.
4322         (opt_address_and_section_type): Return section type value.
4323
4324 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4325
4326         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4327         * testsuite/plugin_common_test_2.c (foo): Likewise.
4328
4329 2010-04-08  Doug Kwan  <dougkwan@google.com>
4330
4331         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4332         Output_merge_data.
4333         * output.cc (Output_section::add_merge_input_section): Simplify
4334         code and return status of Output_merge_base::add_input_section.
4335         Update merge section map only if Output_merge_base::add_input_section
4336         returns true.
4337
4338 2010-04-07  Doug Kwan  <dougkwan@google.com>
4339
4340         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4341         if section is marked as containing instructions but has no mapping
4342         symbols.
4343         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4344         correct section index.
4345         (Arm_relobj::find_linked_text_section): Ditto.
4346
4347 2010-04-07  Cary Coutant  <ccoutant@google.com>
4348
4349         * archive.cc (include_member): Destroy Read_symbols_data object before
4350         releasing file.
4351         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4352         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4353         (Read_symbols_data::~Read_symbols_data) New destructor.
4354         (Section_relocs::Section_relocs) New constructor.
4355         (Section_relocs::~Section_relocs) New destructor.
4356         (Read_relocs_data::Read_relocs_data) New constructor.
4357         (Read_relocs_data::~Read_relocs_data) New destructor.
4358         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4359         pointers to NULL after deleting.
4360
4361 2010-04-07  Doug Kwan  <dougkwan@google.com>
4362
4363         * arm.cc: Replace "endianity" with "endianness" in comments.
4364         (Arm_exidx_cantunwind): Ditto.
4365         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4366         (Arm_relobj::merge_flags_and_attributes): New method.
4367         (Arm_relobj::merge_flags_and_attributes_): New data member.
4368         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4369         (Arm_relobj::scan_sections_for_stubs): Ditto.
4370         (Arm_relobj::do_read_symbols): Check to see if we really want to
4371         merge processor-specific flags and attributes.  Exit early if
4372         an object is empty except for section names and the undefined symbol.
4373         (Target_arm::do_finalize_sections): Move check for ELF format to
4374         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4375         attributes from a regular object only when we have determined that
4376         it is aapropriate.  Do not create an .ARM.attributes section in
4377         output if there is no regular input object.
4378         (Target_arm::merge_processor_specific_flags): Check
4379         --warn-mismatch before printing any error.
4380         (Target_arm::merge_object_attributes): Ditto.
4381         * gold.cc (queue_middle_tasks): Handle the case in which there is
4382         no regular object in input.
4383         * options.cc (General_options::parse_EB): New method.
4384         (General_options::parse_EL): Same.
4385         (General_options::General_options): Initialize endianness_.
4386         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4387         New options.
4388         (General_options::Endianness): New enum.
4389         (General_options::endianness): New method.
4390         (General_options::endianness_): New data member.
4391         * parameters.cc (Parameters::set_options): Check target endianness.
4392         (Parameters::set_target_once): Ditto.
4393         (Parameters::check_target_endianness): New method.
4394         (parameters_force_valid_target): If either -EL or -EB is specified,
4395         use it to define endianness of default target.
4396         * parameters.h (Parameters::check_target_endianness): New method
4397         declaration.
4398         * target.h (class Target): Change "endianity" to "endianness"
4399         in comments.
4400
4401 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4402
4403         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4404         * configure: Regenerate.
4405         * Makefile.in: Regenerate.
4406         * testsuite/Makefile.in: Regenerate.
4407
4408 2010-04-06  Cary Coutant  <ccoutant@google.com>
4409
4410         gcc PR lto/42757
4411         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4412         prevailing definitions of common symbols.
4413         * testsuite/plugin_test_6.sh: New test case.
4414         * testsuite/plugin_common_test_1.c: New test case.
4415         * testsuite/plugin_common_test_2.c: New test case.
4416         * testsuite/Makefile.am (plugin_test_6): New test case.
4417         * testsuite/Makefile.in: Regenerate.
4418
4419 2010-04-06  Nick Clifton  <nickc@redhat.com>
4420
4421         * po/vi.po: New Vietnamese translation.
4422
4423 2010-03-30  Doug Kwan  <dougkwan@google.com>
4424
4425         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4426
4427 2010-03-25  Doug Kwan  <dougkwan@google.com>
4428
4429         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4430         to avoid a conversion warning on a 32-bit host.
4431
4432 2010-03-24  Ian Lance Taylor  <iant@google.com>
4433
4434         * testsuite/script_test_3.t: Add a TLS segment.
4435         * testsuite/Makefile.am (check_PROGRAMS): Add
4436         tls_phdrs_script_test.
4437         (tls_phdrs_script_test_SOURCES): Define.
4438         (tls_phdrs_script_test_DEPENDENCIES): Define.
4439         (tls_phdrs_script_test_LDFLAGS): Define.
4440         (tls_phdrs_script_test_LDADD): Define.
4441         * testsuite/Makefile.in: Rebuild.
4442
4443 2010-03-23  Cary Coutant  <ccoutant@google.com>
4444
4445         * fileread.cc (find_or_make_view): Fix comment.
4446
4447 2010-03-23  Ian Lance Taylor  <iant@google.com>
4448
4449         * script-sections.cc (class Orphan_section_placement): Define
4450         PLACE_TLS and PLACE_TLS_BSS.
4451         (Orphan_section_placement::Orphan_section_placement): Initialize
4452         new places.
4453         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4454         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4455         (tls_script_test_SOURCES): Define.
4456         (tls_script_test_DEPENDENCIES): Define.
4457         (tls_script_test_LDFLAGS): Define.
4458         (tls_script_test_LDADD): Define.
4459         * testsuite/Makefile.in: Rebuild.
4460
4461 2010-03-22  Doug Kwan  <dougkwan@google.com>
4462
4463         * arm.cc (Arm_relocate_functions::abs8,
4464         Arm_relocate_functions::abs16): Use correct check for overflow
4465         specified in the ARM ELF specs.
4466         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4467         target of a BLX instruction specially.
4468         (Reloc_stub::stub_type_for_reloc): Ditto.
4469         (Relocate::relocate): Use symbolic names instead of numeric relocation
4470         codes to report error.
4471         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4472         workaround.
4473         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4474         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4475         thumb2_blx_out_of_range.stdout
4476         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4477         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4478         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4479         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4480         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4481         thumb2_blx_in_range, thumb2_blx_in_range.o,
4482         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4483         thumb2_blx_out_of_range.o): New rules.
4484         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4485         thumb2_blx_in_range and thumb2_blx_out_of_range.
4486         * testsuite/Makefile.in: Regenerate.
4487         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4488         * testsuite/thumb_blx_in_range.s: New file.
4489         * testsuite/thumb_blx_out_of_range.s: New file.
4490
4491 2010-03-22  Rafael Espindola  <espindola@google.com>
4492
4493         * archive.cc (Should_include): Move to archive.h.
4494         (should_include_member): Make it a member of Archive.
4495         (Lib_group): New.
4496         (Add_lib_group_symbols): New.
4497         * archive.h: Include options.h.
4498         (Archive_member): Moved from Archive.
4499         (Should_include): Moved from archive.cc.
4500         (Lib_group): New.
4501         (Add_lib_group_symbols): New.
4502         * dynobj.cc (do_should_include_member): New.
4503         * dynobj.h (do_should_include_member): New.
4504         * gold.cc (queue_initial_tasks): Update call to queue.
4505         * main.cc (main): Print lib group stats.
4506         * object.cc (do_should_include_member): New.
4507         * object.h: Include archive.h.
4508         (Object::should_include_member): New.
4509         (Object::do_should_include_member): New.
4510         (Sized_relobj::do_should_include_member): New.
4511         * options.cc (General_options::parse_start_lib): New.
4512         (General_options::parse_end_lib): New.
4513         (Input_arguments::add_file): Handle lib groups.
4514         (Input_arguments::start_group): Check we are not in a lib.
4515         (Input_arguments::start_lib): New.
4516         (Input_arguments::end_lib): New.
4517         * options.h (General_options): Add start_lib and end_lib.
4518         (Input_argument::lib_): New.
4519         (Input_argument::lib): New.
4520         (Input_argument::is_lib): New.
4521         (Input_file_lib): New.
4522         (Input_arguments::in_lib_): New.
4523         (Input_arguments::in_lib): New.
4524         (Input_arguments::start_lib): New.
4525         (Input_arguments::end_lib_): New.
4526         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4527         in unused members as preempted.
4528         (Sized_pluginobj::do_should_include_member): New.
4529         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4530         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4531         return the blocker.
4532         (Read_symbols::do_whole_lib_group): New.
4533         (Read_symbols::do_lib_group): New.
4534         (Read_symbols::do_read_symbols): Handle lib groups.
4535         (Read_symbols::get_name): Handle lib groups.
4536         * readsyms.h (Read_symbols): Add an archive member pointer.
4537         (Read_symbols::do_whole_lib_group): New.
4538         (Read_symbols::do_lib_group): New.
4539         (Read_symbols::member_): New.
4540         * script.cc (read_input_script): Update call to queue_soon.
4541
4542 2010-03-19  Doug Kwan  <dougkwan@google.com>
4543
4544         * arm.cc (Stub_table::Stub_table): Initialize new data members
4545         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4546         (Stub_table::add_reloc_stub): Assign stub offset and update
4547         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4548         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4549         New data members.
4550         (Stub_table::update_data_size_and_addralign): Use
4551         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4552         instead of going over all reloc stubs.
4553         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4554         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4555         Stringpool_template::offset_ to size of Stringpool_char.
4556         (Stringpool_template::new_key_offset): Remove code to initialize
4557         Stringpool_template::offset_.
4558         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4559         Stringpool_template::offset_ to zero.
4560
4561 2010-03-15  Doug Kwan  <dougkwan@google.com>
4562
4563         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4564         offset_.
4565         (Stringpool_template::new_key_offset): New method.
4566         (Stringpool_template::add_string): Assign offsets when adding new
4567         strings.
4568         (Stringpool_template::set_string_offsets): Do not set string offsets
4569         when not optimizing.
4570         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4571         member size_.
4572         (Chunked_vector::clear): Clear size_.
4573         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4574         (Chunked_vector::size): Return size_.
4575         (Chunked_vector::push_back): Use size_ to find insert position.
4576         (Chunked_vector::size_): New data member.
4577         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4578         (Stringpool_template::new_key_offset): New method declaration.
4579         (Stringpool_template::offset_): New data member.
4580
4581 2010-03-15   Rafael Espindola  <espindola@google.com>
4582
4583         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4584         Add_symbols' constructor.
4585         * readsyms.h (Add_symbols): Remove the input_group member.
4586
4587 2010-03-10  Ian Lance Taylor  <iant@google.com>
4588
4589         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4590         target to ask whether a reference to a symbol requires a stack
4591         split.
4592         * target.h (Target::is_call_to_non_split): New function.
4593         (Target::do_is_call_to_non_split): Declare virtual function.
4594         * target.cc: Include "symtab.h".
4595         (Target::do_is_call_to_non_split): New function.
4596         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4597
4598 2010-03-10  Cary Coutant  <ccoutant@google.com>
4599
4600         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4601         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4602         (File_read::open[2]): Add whole_file_view_ to list of views.
4603         (File_read::make_view): Remove test of whole_file_view_.
4604         (File_read::find_or_make_view): Create whole_file_view_ if
4605         necessary.
4606         (File_read::clear_views): Replace bool parameter with enum;
4607         adjust all callers.  Don't delete views with permanent data;
4608         do delete cached views and views from archives if
4609         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4610         if clearing the corresponding view.
4611         * fileread.h (File_read::Clear_views_mode): New enum.
4612         (File_read::View::is_permanent_view): New method.
4613         (File_read::clear_views): Replace bool parameter
4614         with enum; adjust all callers.
4615         * options.h (General_options): Change keep_files_mapped option;
4616         add map_whole_files.
4617         * readsyms.cc (Add_symbols::run): Delete sd_ object before
4618         releasing the file.
4619         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4620         the file.
4621
4622 2010-03-10  David S. Miller  <davem@davemloft.net>
4623
4624         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4625
4626 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
4627
4628         * icf.cc (get_section_contents): Add '@' marker after processing the
4629         merge reloc.
4630
4631 2010-03-08  Doug Kwan  <dougkwan@google.com>
4632
4633         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4634         due to a conversion warning.
4635         (Arm_relobj::update_output_local_symbol_count): Check for local
4636         symbol with unset output index.
4637
4638 2010-03-05  Ian Lance Taylor  <iant@google.com>
4639
4640         * options.h (class General_options): Add --spare-dynamic-tags.
4641         * output.cc (Output_data_dynamic::set_final_data_size): Implement
4642         --spare-dynamic-tags.
4643
4644 2010-03-05  Ian Lance Taylor  <iant@google.com>
4645
4646         * incremental.cc: Include "libiberty.h".
4647
4648 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4649
4650         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4651         function, is_info_ member.
4652         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4653         (Versions::Versions): Update caller.
4654         (Versions::define_base_version): Likewise.
4655         (Versions::add_def): Likewise.
4656
4657 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
4658
4659         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
4660         (Scan::possible_function_pointer_reloc): New function.
4661         (Scan::local_reloc_may_be_function_pointer): Change to call
4662         possible_function_pointer_reloc.
4663         (Scan::global_reloc_may_be_function_pointer): Ditto.
4664         * icf.h (Icf::check_section_for_function_pointers): Change to reject
4665         relocations in ".data.rel.ro._ZTV" section.
4666         * testsuite/icf_safe_so_test.sh: Change to pass i386.
4667         * testsuite/icf_safe_so_test.cc: Ditto.
4668         * testsuite/icf_safe_test.cc: Ditto.
4669         * testsuite/icf_safe_test.sh: Ditto.
4670
4671 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4672             Ian Lance Taylor  <iant@google.com>
4673
4674         * target-reloc.h (relocate_section): Check the symbol table index
4675         for -1U before setting the local symbol index.
4676         (scan_relocatable_relocs): If copying the relocation, record that
4677         the local symbol is required.
4678         * object.h (Symbol_value::is_output_symtab_index_set): New
4679         function.
4680         (Symbol_value::may_be_discarded_from_output_symtab): New
4681         function.
4682         (Symbol_value::has_output_symtab_entry): New function.
4683         (Symbol_value::needs_output_symtab_entry): Remove.
4684         (Symbol_value::output_symtab_index): Make sure the symbol index is
4685         set.
4686         (Symbol_value::set_output_symtab_index): Make sure the symbol
4687         index is not set.  Make sure the new index is valid.
4688         (Symbol_value::set_must_have_output_symtab_entry): New function.
4689         (Symbol_value::has_output_dynsym_entry): New function.
4690         (Symbol_value::set_output_dynsym_index): Make sure the new index
4691         is valid.
4692         (Sized_relobj::set_must_have_output_symtab_entry): New function.
4693         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
4694         local symbol if permitted.
4695         (Sized_relobj::do_finalize_local_symbols): Call
4696         is_output_symtab_index_set rather than needs_output_symtab_entry.
4697         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
4698         rather than needs_output_symtab_entry.  Call
4699         has_output_dynsym_entry rather than needs_output_dynsym_entry.
4700         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
4701         is_output_symtab_index_set rather than needs_output_symtab_entry.
4702         * testsuite/discard_locals_relocatable_test.c: New file.
4703         * testsuite/discard_locals_test.sh: Test -r.
4704         * testsuite/Makefile.am (check_DATA): Add
4705         discard_locals_relocatable_test1.syms,
4706         discard_local_relocatable_test2.syms.
4707         (MOSTLYCLEANFILES): Likewise.  Also add
4708         discard_locals_relocatable_test1.lout and
4709         discard_locals_relocatable_test2.out.
4710         (discard_locals_relocatable_test1.syms): New target.
4711         (discard_locals_relocatable_test.o): New target.
4712         (discard_locals_relocatable_test1.out): New target.
4713         (discard_locals_relocatable_test2.syms): New target.
4714         (discard_locals_relocatable_test2.out): New target.
4715         (various): Add missing ../ld-new dependencies.
4716         * testsuite/Makefile.in: Rebuild.
4717
4718 2010-03-03  Nick Clifton  <nickc@redhat.com>
4719
4720         * po/fi.po: New Finnish translation.
4721
4722 2010-03-01  Doug Kwan  <dougkwan@google.com>
4723
4724         * layout.cc (Layout::Layout): Force section types of .init_array*,
4725         .preinit_array* and .fini_array* sections.
4726         * output.cc (Output_section::Input_section_sort_entry::has_priority):
4727         Fix check of return value of std::string::find.().
4728         (Output_section::Input_section_sort_compare::operator()): Remove
4729         comment about .init_array.
4730         (Output_section::Input_section_sort_init_fini_compare::operator()):
4731         New method.
4732         (Output_section::sort_attached_input_sections): Handle .init_array
4733         and .fini_array specially.
4734         * output.h (Output_section::Inut_section_sort_compare): Update
4735         comment.
4736         (Output_section::Input_section_sort_init_fini_compare): New struct.
4737
4738 2010-02-26  Doug Kwan  <dougkwan@google.com>
4739
4740         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
4741         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
4742         * testsuite/debug_msg.sh: Avoid matching source line number for
4743         use of global variable undef_int.
4744
4745 2010-02-26  Doug Kwan  <dougkwan@google.com>
4746
4747         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
4748         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
4749         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
4750         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
4751         * options.cc (General_options::General_options): Initialize member
4752         fix_v4bx_.
4753         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
4754         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
4755         and rm_no_fix_v4bx.stdout
4756         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
4757         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
4758         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
4759         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
4760         and arm_no_fix_v4bx.
4761         * Makefile.in: Regenerate.
4762         * testsuite/arm_fix_v4bx.s: New file.
4763         * testsuite/arm_fix_v4bx.sh: Ditto.
4764
4765 2010-02-24  Doug Kwan  <dougkwan@google.com>
4766
4767         * arm.cc (Target_arm::got_section): Make the .got section the first
4768         non RELRO section in the data segment.
4769         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
4770         suffixes of section names.
4771
4772 2010-02-24  Doug Kwan  <dougkwan@google.com>
4773
4774         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
4775         flags and attributes merging if an input file is a binary file.
4776         * fileread.cc (Input_file::open): Record format of original file.
4777         * fileread.h (Input_file::Format): New enum type.
4778         (Input_file::Input_file): Initialize data member format_.
4779         (Input_file::format): New method definition.
4780         (Input_file::format_):: New data member.
4781
4782 2010-02-24  Doug Kwan  <dougkwan@google.com>
4783
4784         * arm.cc (Arm_output_data_got): New class.
4785         (ARM_TCB_SIZE): New constant
4786         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
4787         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
4788         If user uses a script with a SECTIONS clause, issue only a warning
4789         for a misplaced EXIDX input section.  Otherwise, issue an error.
4790         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
4791         garbage collection.
4792         (Target_arm::got_mode_index_entry): Handle static linking.
4793         (Target_arm::Scan::local): Ditto.
4794         (Target_arm::Scan::global): Ditto.
4795         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
4796         all incorrectly implemented relocations.
4797         (Target_arm::fix_exidx_coverage): Pass layout to
4798         Arm_output_section::fix_exidx_coverage.
4799         * layout.cc (Layout::section_name_mapping): Remove trailing dots
4800         from ".ARM.exidx." and ".ARM.extab.".
4801
4802 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4803
4804         * arm.cc (Target_arm::do_finalize_sections): Create attribute
4805         section if it does not already exist.
4806         * attributes.cc (Attributes_section_data::Attributes_section_data):
4807         Don't crash if size is zero.
4808
4809 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4810             Ian Lance Taylor  <iant@google.com>
4811
4812         * gold.cc (queue_middle_tasks): If no input files were opened,
4813         exit.
4814         * workqueue.h (Task_function::Task_function): Assert that there is
4815         a blocker.
4816
4817 2010-02-22  Doug Kwan  <dougkwan@google.com>
4818
4819         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
4820         * icf.cc (get_section_contents): Cast snprintf arguments to long long
4821         types to avoid warnings due to different uint64_t implementations
4822         on different hosts.
4823
4824 2010-02-21  Doug Kwan  <dougkwan@google.com>
4825
4826         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
4827         handling of the maximum backward branch offset.
4828         (Arm_relocate_functions::thumb_branch_common): Ditto.
4829         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
4830         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
4831         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
4832         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
4833         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
4834         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
4835         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
4836         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
4837         thumb_bl_out_of_range thumb_bl_out_of_range.o,
4838         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
4839         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
4840         thumb2_bl_out_of_range.o): New rules.
4841         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
4842         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
4843         thumb2_bl_out_of_range
4844         * testsuite/Makefile.in: Regenerate.
4845         * testsuite/arm_bl_in_range.s: New file.
4846         * testsuite/arm_bl_out_of_range.s: Ditto.
4847         * testsuite/arm_branch_in_range.sh: Ditto.
4848         * testsuite/arm_branch_range.t: Ditto.
4849         * testsuite/thumb2_branch_range.t: Ditto.
4850         * testsuite/thumb_bl_in_range.s: Ditto.
4851         * testsuite/thumb_bl_out_of_range.s: Ditto.
4852         * testsuite/thumb_branch_range.t: Ditto.
4853
4854 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
4855
4856         * gc.h (gc_process_relocs): Change vectors to point to the new list.
4857         Add reloc offset information.
4858         * icf.cc (get_section_contents): Change iterators to point to the new
4859         vectors. Add reloc offset information to the contents.
4860         * icf.h (Icf::Sections_reachable_info): New typedef.
4861         (Icf::Sections_reachable_list): New typedef.
4862         (Icf::Offset_info): New typedef.
4863         (Icf::Reloc_info): New struct typedef.
4864         (Icf::Reloc_info_list): New typedef.
4865         (Icf::symbol_reloc_list): Delete method.
4866         (Icf::addend_reloc_list): Delete method.
4867         (Icf::section_reloc_list): Delete method.
4868         (Icf::reloc_info_list): New method.
4869         (Icf::reloc_info_list_): New member.
4870
4871 2010-02-19  Doug Kwan  <dougkwan@google.com>
4872
4873         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
4874         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
4875         * arm.cc (Arm_relocation_functions): New forward declaration.
4876         (Target_arm::Target_arm): Initialize new data members
4877         got_mod_index_offset_ and tls_base_symbol_defined_.
4878         (Target_arm::Relocate::relocate_tls): New method.
4879         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
4880          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
4881         New methods.
4882         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
4883         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
4884         (Target_arm::got_mod_index_offset_,
4885         Target_arm::tls_base_symbol_defined_): New data members.
4886         (Target_arm::Scan::local, Target::Scan::global,
4887         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
4888         relocations.
4889
4890 2010-02-18  Doug Kwan  <dougkwan@google.com>
4891
4892         * arm.cc (Arm_relobj::find_linked_text_section): New method.
4893         (Arm_relobj::make_exidx_input_section): Pass section index of linked
4894         text section as a parameter becuase some broken tools may not set
4895         the link in section header.
4896         (Target_arm::has_got_section): New method.
4897         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
4898         without any mapping symbol as data only.  Remove warning.
4899         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
4900         link in its section header, try to discover the link by inspecting the
4901         REL31 relocation at the beginning of the section.
4902         (Target_arm::Scan::check_non_pic): Report name of offending relocation
4903         in error message.
4904         (Target_arm::Scan::global): Treat any reference to the symbol
4905         _GLOBAL_OFFSET_TABLE_ as a GOT access.
4906
4907 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
4908
4909         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
4910         (Scan::global_reloc_may_be_function_pointer): New function.
4911         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4912         (Scan::global_reloc_may_be_function_pointer): New function.
4913         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4914         (Scan::global_reloc_may_be_function_pointer): New function.
4915         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
4916         (Scan::global_reloc_may_be_function_pointer): New function.
4917         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
4918         (Scan::global_reloc_may_be_function_pointer): New function.
4919         (Scan::possible_function_pointer_reloc): New function.
4920         (Target_x86_64::can_check_for_function_pointers): New function.
4921         * gc.h (gc_process_relocs): Scan relocation types to determine if
4922         function pointers were taken for targets that support it.
4923         * icf.cc (Icf::find_identical_sections): Include functions for
4924         folding in safe ICF whose pointer is not taken.
4925         * icf.h (Secn_fptr_taken_set): New typedef.
4926         (fptr_section_id_): New member.
4927         (section_has_function_pointers): New function.
4928         (set_section_has_function_pointers): New function.
4929         (check_section_for_function_pointers): New function.
4930         * options.h: Fix comment for safe ICF option.
4931         * target.h (can_check_for_function_pointers): New function.
4932         * testsuite/Makefile.am: Add icf_safe_so_test test case.
4933         Modify icf_safe_test for X86-64.
4934         * testsuite/Makefile.in: Regenerate.
4935         * testsuite/icf_safe_so_test.cc: New file.
4936         * testsuite/icf_safe_so_test.sh: New file.
4937         * testsuite/icf_safe_test.cc (kept_func_3): New function.
4938         (main): Change to take pointer to function kept_func_3.
4939         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
4940         folding is done correctly for X86-64.
4941
4942 2010-02-12  David S. Miller  <davem@davemloft.net>
4943
4944         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
4945         is_symbolless parameter.
4946         (Output_reloc<SHT_REL>::is_symbolless): New.
4947         (Output_reloc<SHT_REL>::is_symbolless_): New.
4948         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
4949         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
4950         (Output_reloc<SHT_RELA>::is_symbolless): New.
4951         (Output_data_reloc::add_global): Handle is_symbolless.
4952         (Output_data_reloc::add_global_relative): Likewise.
4953         (Output_data_reloc::add_local): Likewise.
4954         (Output_data_reloc::add_local_relative): Likewise.
4955         (Output_data_reloc::add_symbolless_global_addend): New.
4956         (Output_data_reloc::add_symbolless_local_addend): New.
4957         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
4958         is_symbolless.
4959         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
4960         instead of ->is_relative_
4961         (Output_reloc::write): Likewise.
4962         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
4963         (Output_reloc::write_rel): Simplify.
4964
4965         * sparc.cc (Target_sparc::Scan::local): Use
4966         ->add_symbolless_local_addend as needed.
4967         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
4968         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
4969         based upon relocation offset.
4970
4971 2010-02-11  Doug Kwan  <dougkwan@google.com>
4972
4973         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
4974         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
4975         beginning of function.
4976         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
4977         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
4978         parameter is_32bit in calls to should_apply_static_reloc.
4979         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
4980         (check_DATA): Add arm_abs_global.stdout.
4981         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
4982         arm_abs_global.stdout): New rules.
4983         (MOSTLLYCLEANFILES): Add arm_abs_global
4984         * Makefile.in: Regenerate.
4985         * testsuite/arm_abs_global.s: New file.
4986         * testsuite/arm_abs_global.sh: Ditto.
4987         * testsuite/arm_abs_lib.s: Ditto.
4988
4989 2010-02-11  Ian Lance Taylor  <iant@google.com>
4990
4991         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
4992         Read_relocs task.
4993         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
4994         Allocate_commons_task first.
4995         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
4996         task, rather than symtab_lock_.
4997         (Gc_process_relocs::~Gc_process_relocs): New function.
4998         (Gc_process_relocs::is_runnable): Check this_blocker_.
4999         (Gc_process_relocs::locks): Use next_blocker_ rather than
5000         blocker_.
5001         (Scan_relocs::~Scan_relocs): New function.
5002         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5003         symtab_lock_.
5004         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5005         next_blocker_.
5006         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5007         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5008         constructor accordingly.
5009         (class Gc_process_relocs): Likewise.
5010         (class Scan_relocs): Likewise.
5011         * common.h (class Allocate_commons_task): Remove symtab_lock_
5012         field, and corresponding constructor parameter.
5013         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5014         symtab_lock_.
5015         (Allocate_commons_task::locks): Likewise.
5016
5017 2010-02-11  Ian Lance Taylor  <iant@google.com>
5018
5019         * gold-threads.h (class Once): Define.
5020         (class Initialize_lock): Rewrite as child of Once.
5021         * gold-threads.cc (class Once_initialize): Define.
5022         (once_pointer_control): New static variable.
5023         (once_pointer, once_arg): New static variables.
5024         (c_run_once): New static function.
5025         (Once::Once, Once::run_once, Once::internal_run): New functions.
5026         (class Initialize_lock_once): Remove.
5027         (initialize_lock_control): Remove.
5028         (initialize_lock_pointer): Remove.
5029         (initialize_lock_once): Remove.
5030         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5031         (Initialize_lock::initialize): Rewrite.
5032         (Initialize_lock::do_run_once): New function.
5033         * archive.cc (Archive::interpret_header): Only clear name if it is
5034         not already empty.
5035         * fileread.cc: Include "gold-threads.h"
5036         (file_counts_lock): New static variable.
5037         (file_counts_initialize_lock): Likewise.
5038         (File_read::release): Only increment counts when using --stats.
5039         Use a lock around the increment.
5040         * parameters.cc (class Set_parameters_target_once): Define.
5041         (set_parameters_target_once): New static variable.
5042         (Parameters::Parameters): Move here from parameters.h.
5043         (Parameters::set_target): Rewrite.
5044         (Parameters::set_target_once): New function.
5045         (Parameters::clear_target): Move here and rewrite.
5046         * parameters.h (class Parameters): Update declarations.  Add
5047         set_parameters_target_once_ field.
5048         (Parameters::Parameters): Move to parameters.cc.
5049         (Parameters::clear_target): Likewise.
5050         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5051         task.
5052         (Start_group::~Start_group): New function.
5053         (Start_group::is_runnable): New function.
5054         (Start_group::locks, Start_group::run): New functions.
5055         (Finish_group::run): Change saw_undefined to size_t.
5056         * readsyms.h (class Start_group): Define.
5057         (class Finish_group): Change saw_undefined_ field to size_t.
5058         (Finish_group::Finish_group): Remove saw_undefined and
5059         this_blocker parameters.  Change all callers.
5060         (Finish_group::set_saw_undefined): New function.
5061         (Finish_group::set_blocker): New function.
5062         * symtab.h (class Symbol_table): Change saw_undefined to return
5063         size_t.  Change saw_undefined_ field to size_t.
5064         * target-select.cc (Set_target_once::do_run_once): New function.
5065         (Target_selector::Target_selector): Initialize set_target_once_
5066         field.  Don't initialize lock_ and initialize_lock_ fields.
5067         (Target_selector::instantiate_target): Rewrite.
5068         (Target_selector::set_target): New function.
5069         * target-select.h (class Set_target_once): Define.
5070         (class Target_selector): Update declarations.  Make
5071         Set_target_once a friend.  Remove lock_ and initialize_lock_
5072         fields.  Add set_target_once_ field.
5073
5074 2010-02-10  Ian Lance Taylor  <iant@google.com>
5075
5076         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5077         queueing any tasks.
5078         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5079         (queue_middle_tasks): Add all blockers before queueing any tasks.
5080         (queue_final_tasks): Likewise.
5081         * token.h (Task_token::add_blockers): New function.
5082         * object.h (Input_objects::number_of_relobjs): New function.
5083
5084 2010-02-10  Ian Lance Taylor  <iant@google.com>
5085
5086         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5087         shared, not if not position independent.
5088         * x86_64.cc (Relocate::relocate_tls): Likewise.
5089         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5090         (tls_pie_pic_test): New target.
5091         * testsuite/Makefile.in: Rebuild.
5092
5093         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5094         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5095         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5096         * testsuite/Makefile.in: Rebuild.
5097
5098 2010-02-09  David S. Miller  <davem@davemloft.net>
5099
5100         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5101         R_SPARC_RELATIVE using ->add_local_relative().
5102         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5103
5104         * output.h (Output_data_dynamic::add_section_size): New method
5105         that takes two Output_data objects.
5106         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5107         entry param.  Handle it in initializers.
5108         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5109         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5110         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5111         arg.
5112         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5113         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5114         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5115         for dynrel_includes_plt.
5116         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5117         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5118         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5119         before .rela.plt
5120         (Target_sparc::do_finalize_sections): Update to pass true for
5121         dynrel_includes_plt.
5122         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5123         output before .rela.plt
5124         (Target_powerpc::do_finalize_sections): Update to pass true for
5125         dynrel_includes_plt when 32-bit.
5126
5127 2010-02-08  Doug Kwan  <dougkwan@google.com>
5128
5129         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5130         method.
5131         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5132         Arm_relobj::scan_section_for_cortex_a8_stubs,
5133         Arm_relobj::do_relocation_section): Instead of calling
5134         Output_section::output_address, use faster
5135         Arm_relobj::simple_input_section_output_address.
5136
5137 2010-02-08  David S. Miller  <davem@davemloft.net>
5138
5139         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5140         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5141         relocation helper function.
5142
5143         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5144         just like R_SPARC_GOT{10,13,22}.
5145         (Target_sparc::Scan::local): Likewise.
5146         (Target_sparc::Relocate:relocate): Likewise.
5147
5148 2010-02-06  Ian Lance Taylor  <iant@google.com>
5149
5150         * configure.ac: Rewrite targetobjs duplicate removal code to use
5151         only shell constructs.
5152         * configure: Rebuild.
5153
5154 2010-02-05  Doug Kwan  <dougkwan@google.com>
5155
5156         PR 11247
5157         * arm.cc (Arm_relobj::section_is_scannable): New method.
5158         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5159         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5160
5161 2010-02-04  Doug Kwan  <dougkwan@google.com>
5162
5163         PR 11247
5164         * arm-reloc-property.cc (cstdio): Include.
5165         * configure.ac (targetobjs): Remove duplicates.
5166         * configure: Regenerate.
5167         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5168         big and little endian version for a given address size.
5169
5170 2010-02-03  Doug Kwan  <dougkwan@google.com>
5171
5172         * arm-reloc-property.cc
5173         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5174         definition.
5175         * arm-reloc-property.h
5176         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5177         New method definition.
5178         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5179         declaration.
5180         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5181         overflow to N.
5182         (GOT_PREL): Change implemented to Y.
5183         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5184         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5185         (Arm_relocate_functions::movw_abs_nc): Remove method.
5186         (Arm_relocate_functions::movt_abs): Ditto.
5187         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5188         (Arm_relocate_functions::thm_movt_abs): Ditto.
5189         (Arm_relocate_functions::movw_rel_nc): Ditto.
5190         (Arm_relocate_functions::movw_rel): Ditto.
5191         (Arm_relocate_functions::movt_rel): Ditto.
5192         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5193         (Arm_relocate_functions:thm_movw_rel): Ditto.
5194         (Arm_relocate_functions:thm_movt_rel): Ditto.
5195         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5196         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5197         New method definitions.
5198         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5199         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5200         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5201         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5202         (Target_arm::Relocate::relocate): Check for non-static or
5203         unimplemented relocation code and exit early.  Change calls to
5204         Target_arm::reloc_uses_thumb_bit and
5205         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5206         instead.  Refactor code to handle similar relocations to increase
5207         code sharing.  Remove check for unsupported relocation code in switch
5208         statement.
5209         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5210         relocation property table to find out size.  Change error message to
5211         print out the name of a relocation code instead of the numeric value.
5212         (Target_arm::scan_reloc_for_stub): Use relocation property table
5213         instead of calling Target_arm::reloc_uses_thumb_bit().
5214
5215 2010-02-02  Doug Kwan  <dougkwan@google.com>
5216
5217         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5218         types of relaxed input section.
5219
5220 2010-02-02  Doug Kwan  <dougkwan@google.com>
5221
5222         * Makefile.am (HFILES): Add arm-reloc-property.h.
5223         (DEFFILES): New.
5224         (TARGETSOURCES): Add arm-reloc-property.cc
5225         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5226         (libgold_a_SOURCES): $(DEFFILES)
5227         * Makefile.in: Regenerate.
5228         * arm-reloc-property.cc: New file.
5229         * arm-reloc-property.h: New file.
5230         * arm-reloc.def: New file.
5231         * arm.cc: Update comments.
5232         (arm-reloc-property.h): New included header.
5233         (arm_reloc_property_table): New global variable.
5234         (Target_arm::do_select_as_default_target): New method definition.
5235         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5236         arm-reloc-property to targ_extra_obj.
5237         * parameters.cc (set_parameters_target): Call
5238         Target::select_as_default_target().
5239         * target.h (Target::select_as_default_target): New method definition.
5240         (Target::do_select_as_default_target): Same.
5241
5242 2010-02-01  Doug Kwan  <dougkwan@google.com>
5243
5244         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5245         first_output_text_section_.
5246         (Arm_exidx_fixup::first_output_text_section): New method definition.
5247         (Arm_exidx_fixup::first_output_text_section_): New data member.
5248         (Arm_exidx_fixup::process_exidx_section): Record the first text
5249         output section seen.
5250         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5251         and entsize in output section header.
5252
5253 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5254
5255         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5256         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5257         (Arm_relocate_functions::thm_alu11): New Method.
5258         (Arm_relocate_functions::thm_pc8): New Method.
5259         (Arm_relocate_functions::thm_pc12): New Method.
5260         (Target_arm::Scan::local): Handle the relocations.
5261         (Target_arm::Scan::global): Likewise.
5262         (Target_arm::Relocate::relocate): Likewise.
5263         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5264
5265 2010-01-29  Doug Kwan  <dougkwan@google.com>
5266
5267         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5268         of relocation types as ld.
5269
5270 2010-01-29  Doug Kwan  <dougkwan@google.com>
5271
5272         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5273         to public.
5274         (Arm_relocate_functions::thumb_branch_common): Ditto.
5275         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5276         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5277         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5278         Arm_relocate_functions::jump24): Remove.
5279         (Target_arm::Relocate::relocate): Adjust code to call
5280         Arm_relocation_functions::arm_branch_common and
5281         Arm_relocation_functions::thumb_branch_common instead of their removed
5282         wrappers.  Merge switch-cases together to reduce source code size.
5283
5284 2010-01-29  Doug Kwan  <dougkwan@google.com>
5285
5286         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5287         output_local_symbol_count_needs_update_.
5288         (Arm_relobj::output_local_symbol_count_needs_update,
5289          Arm_relobj::set_output_local_symbol_count_needs_update,
5290          Arm_relobj::update_output_local_symbol_count): New methods.
5291         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5292         member.
5293         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5294         of pointed function as in a R_ARM_PREL31 relocation.
5295         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5296         for output local symbol count updating.
5297         (Target_arm::do_relax): Update output local symbol counts in objects
5298         if necessary.
5299         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5300
5301 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5302
5303         * arm.cc: Added support for the ARM relocations:
5304         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5305         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5306         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5307         movw_prel_nc).
5308         (Arm_relocate_functions::movw_rel): New method.
5309         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5310         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5311         thm_movw_prel_nc).
5312         (Arm_relocate_functions::thm_movw_rel): New method.
5313         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5314         thm_movt_prel).
5315         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5316         relocations.
5317         (Target_arm::Scan::global): Likewise.
5318         (Target_arm::Relocate::relocate): Likewise.
5319         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5320         Likewise.
5321
5322 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5323
5324         * arm.cc: Added support for ARM group relocations.
5325         (Target_arm::reloc_needs_sym_origin): New method.
5326         (Arm_relocate_functions::calc_grp_kn): New method.
5327         (Arm_relocate_functions::calc_grp_residual): New method.
5328         (Arm_relocate_functions::calc_grp_gn): New method.
5329         (Arm_relocate_functions::arm_grp_alu): New Method.
5330         (Arm_relocate_functions::arm_grp_ldr): New Method.
5331         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5332         (Arm_relocate_functions::arm_grp_ldc): New Method.
5333         (Target_arm::Scan::local): Handle the ARM group relocations.
5334         (Target_arm::Scan::global): Likewise.
5335         (Target_arm::Relocate::relocate): Likewise.
5336         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5337         Likewise.
5338
5339 2010-01-26  Doug Kwan  <dougkwan@google.com>
5340
5341         * arm.cc (set): Include.
5342         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5343         pointer type.
5344         (Arm_output_section::Text_section_list): New type.
5345         (Arm_output_section::append_text_sections_to_list): New method.
5346         (Arm_output_section::fix_exidx_coverage): Ditto.
5347         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5348         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5349         Relobj::set_section_offset() instead of
5350         Sized_relobj::invalidate_section_offset().
5351         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5352         parameter for section headers. Ignore relocation sections for
5353         unallocated sections and EXIDX sections.
5354         (Target_arm::fix_exidx_coverage): New method.
5355         (Target_arm::output_section_address_less_than): New type.
5356         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5357         linked text section instead of the EXIDX section.
5358         (Arm_output_section::create_stub_group): Add an assertion to check
5359         that this is not an EXIDX output section.
5360         (Arm_output_section::append_text_sections_to_list): New method.
5361         (Arm_output_section::fix_exidx_coverage): Ditto.
5362         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5363         Arm_relobj::section_needs_reloc_stub_scanning.
5364         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5365         first pass.
5366         (Target_arm::fix_exidx_coverage): New method.
5367         * object.h (Relobj::set_output_section): New method.
5368         (Sized_relobj::invalidate_section_offset): Remove method.
5369         (Sized_relobj::do_invalidate_section_offset): Remove method.
5370         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5371
5372 2010-01-25  Doug Kwan  <dougkwan@google.com>
5373
5374         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5375         Fix warning due to signed and unsigned comparison on a 32-bit host.
5376
5377 2010-01-22  Doug Kwan  <dougkwan@google.com>
5378
5379         * arm.cc (Target_arm::do_relax): Record an output section for section
5380         offset adjustment it contains any stub table that has changed.
5381         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5382         offsets in an output section if necessary.
5383         * output.cc (Output_section::Output_section): Initialize
5384         section_offsets_need_adjustments_.
5385         (Output_section::add_input_section_for_script): Renamed to
5386         Output_section::add_simple_input_section.
5387         (Output_section::save_states): Add a comment.
5388         (Output_section::discard_states): New method defintion.
5389         (Output_section::adjust_section_offsets): Same.
5390         * output.h (Output_section::add_input_section_for_script): Renamed to
5391         Output_section::add_simple_input_section.
5392         (Output_section::discard_states): New method declaration.
5393         (Output_section::adjust_section_offsets): Same.
5394         (Output_section::section_offsets_need_adjustment,
5395         Output_section::set_section_offsets_need_adjustment): New method
5396         definitions.
5397         (Output_section::section_offsets_need_adjustment_): New data member.
5398         * script-sections.cc
5399         (Output_section_element_input::set_section_address): Adjust code for
5400         renaming of Output_section::add_input_section_for_script.
5401         (Orphan_output_section::set_section_address): Same.
5402
5403 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5404
5405         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5406         Fix_v4bx enum values .
5407         * gold/options.h (General_options): New option definitions.
5408         (General_options::fix_v4bx): New method.
5409         (General_options::Fix_v4bx): New enum.
5410         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5411         (General_options::parse_fix_v4bx_interworking): New method.
5412
5413 2010-01-22  Doug Kwan  <dougkwan@google.com>
5414
5415         * arm.cc (Arm_exidx_fixup): New class.
5416
5417 2010-01-21  Doug Kwan  <dougkwan@google.com>
5418
5419         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5420         classes.
5421         (Arm_exidx_section_offset_map): New type.
5422
5423 2010-01-21  Doug Kwan  <dougkwan@google.com>
5424
5425         * arm.cc (Arm_exidx_input_section): New class.
5426         (Arm_relobj::exidx_input_section_by_link,
5427         Arm_relobj::exidx_input_section_by_shndx,
5428         Arm_relobj::make_exidx_input_section): New methods.
5429         (read_arm_attributes_section): Remove.
5430         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5431         information about them.
5432         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5433         to here.
5434
5435 2010-01-20  Doug Kwan  <dougkwan@google.com>
5436
5437         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5438         Input_section_specifier to Section_id.
5439         (Target_arm::new_arm_input_section: Adjust code for change of key
5440         type.
5441         (Target_arm::find_arm_input_section): Ditto.
5442         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5443         (Section_id): Remove.
5444         (Garbage_collection::Section_id_hash): Remove.
5445         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5446         (Section_id): Remove.
5447         (Icf::Section_id_hash): Remove.
5448         * object.h (Section_id, Const_section_id, Section_id_hash,
5449         Const_section_id_hash): New type definitions.
5450         * output.cc (Output_section::add_relaxed_input_section): Change to
5451         use Const_section_id instead of Input_section_specifier as key type.
5452         (Output_section::add_merge_input_section): Ditto.
5453         (Output_section::build_relaxation_map): Change to use Section_id
5454         instead of Input_section_specifier as key type.
5455         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5456         Ditto.
5457         (Output_section::convert_input_sections_to_relaxed_sections): Change
5458         to use Const_section_id instead of Input_section_specifier as key type.
5459         (Output_section::find_merge_section): Ditto.
5460         (Output_section::find_relaxed_input_section): Ditto.
5461         * output.h (Input_section_specifier): Remove class.
5462         (Output_section::Output_section_data_by_input_section_map): Change
5463         key type to Const_section_id.
5464         (Output_section::Output_relaxed_input_section_by_input_section_map):
5465         Ditto.
5466         (Output_section::Relaxation_map): Change key type to Section_id.
5467
5468 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5469
5470         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5471         (class Arm_v4bx_stub): New class.
5472         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5473         (Stub_factory::make_arm_v4bx_stub): New method.
5474         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5475         (Stub_table::empty): Handle v4bx stubs.
5476         (Stub_table::add_arm_v4bx_stub): New method.
5477         (Stub_table::find_arm_v4bx_stub): New method.
5478         (Arm_relocate_functions::v4bx): New method.
5479         (Target_arm::fix_v4bx): New method.
5480         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5481         (Stub_table::relocate_stubs): Likewise.
5482         (Stub_table::do_write): Likewise.
5483         (Stub_table::update_data_size_and_addralign): Likewise.
5484         (Stub_table::finalize_stubs):  Likewise.
5485         (Target_arm::Scan::local): Likewise.
5486         (Target_arm::Scan::global): Likewise.
5487         (Target_arm::do_finalize_sections): Likewise.
5488         (Target_arm::Relocate::relocate): Likewise.
5489         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5490         Likewise.
5491         (Target_arm::scan_reloc_for_stub): Likewise.
5492         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5493
5494 2010-01-19  Ian Lance Taylor  <iant@google.com>
5495
5496         * output.cc (Output_section_headers::do_sized_write): Write large
5497         segment count to sh_info field.
5498         (Output_file_header::do_sized_write): For large segment count,
5499         write PN_XNUM to e_phnum field.
5500
5501 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5502
5503         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5504         (Arm_relocate_functions::thm_jump8): New function.
5505         (Arm_relocate_functions::thm_jump11): New function.
5506         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5507         R_ARM_THM_JUMP11.
5508         (Target_arm::Scan::global): Likewise.
5509         (Target_arm::Relocate::relocate): Likewise.
5510         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5511         Likewise.
5512
5513 2010-01-14  Doug Kwan  <dougkwan@google.com>
5514
5515         * arm.cc (map, utility): Include headers.
5516         (Target_arm::apply_cortex_a8_workaround): New method.
5517         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5518         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5519         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5520         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5521         the --[no-]fix-cortex-a8 command line options.
5522         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5523         (Target_arm::relocate_stub): Use addend in instruction template.
5524         * options.h (DEFINE_bool): Set the user-set flag.
5525         (General_options): Add --[no-]-fix-cortex options.
5526         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5527         : Update fast look-up map after conversion.
5528
5529 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5530
5531         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5532         in the first pass of do_layout.
5533
5534 2010-01-13  Doug Kwan  <dougkwan@google.com>
5535
5536         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5537         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5538         apparent compiler problem of not folding static constant integral
5539         data members of elfcpp::Elf_sizes<32>.
5540
5541 2010-01-13  Doug Kwan  <dougkwan@google.com>
5542
5543         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5544         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5545         Arm_relobj::scan_section_for_cortex_a8_erratum,
5546         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5547         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5548         sections to scan for relocation stubs into a new method
5549         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5550         relocation and Cortex-A8 stub scanning.
5551         (Target_arm::do_relax): Force stubs to be after stubbed sections
5552         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5553         the beginning of a new relaxation pass.  Update a comment.
5554         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5555
5556 2010-01-12  Ian Lance Taylor  <iant@google.com>
5557
5558         * target-reloc.h (visibility_error): New inline function.
5559         (relocate_section): Call visibility_error.
5560         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5561         (MOSTLYCLEANFILES): Likewise.
5562         (protected_4_pic.o, protected_3.err): New targets.
5563         * testsuite/protected_4.cc: New file.
5564
5565 2010-01-12  Doug Kwan  <dougkwan@google.com>
5566
5567         * arm.cc (Cortex_a8_reloc): New class.
5568         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5569         and cortex_a8_relocs_info_.
5570         (Target_arm::fix_cortex_a8): New method definition.
5571         (Target_arm::Cortex_a8_relocs_info): New type.
5572         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5573         New data member declarations.
5574         (Target_arm::scan_reloc_for_stub): Record information about
5575         relocations for THUMB branches that might be exempted from the
5576         Cortex-A8 workaround.
5577         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5578         at the beginning of a relaxation pass.
5579
5580 2010-01-12  Doug Kwan  <dougkwan@google.com>
5581
5582         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5583         (Arm_relobj::Mapping_symbol_position,
5584          Arm_reloj::Mapping_symbol_position_less,
5585          Arm_relobj::Mapping_symbols_info): New types.
5586         (Target_arm::is_mapping_symbol_name): New method definition.
5587         (Arm_relobj::do_count_local_symbols): Save information about mapping
5588         symbols.
5589
5590 2010-01-11  Doug Kwan  <dougkwan@google.com>
5591
5592         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5593         Arm_relocate_functions::thumb32_branch_upper,
5594         Arm_relocate_functions::thumb32_branch_lower,
5595         Arm_relocate_functions::thumb32_cond_branch_offset,
5596         Arm_relocate_functions::thumb32_cond_branch_upper,
5597         Arm_relocate_functions::thumb32_cond_branch_lower,
5598         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5599         branch offset encoding.
5600         (Arm_relocate_functions::thumb_branch_common): Use new branch
5601         offset encoding methods to avoid code duplication.
5602         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5603         (Stub_addend_reader::operator()): Use new branch encoding method
5604         to avoid code duplication.
5605
5606 2010-01-11  Doug Kwan  <dougkwan@google.com>
5607
5608         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5609         (Target_arm::do_finalize_sections): Define special EXIDX section
5610         symbols only if referenced.
5611         * gc.h (Garbage_collection::add_reference): New method.
5612         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5613         code duplication.
5614
5615 2010-01-11  Ian Lance Taylor  <iant@google.com>
5616
5617         * script.cc (Version_script_info::build_expression_list_lookup):
5618         Change complaing about duplicate wildcard match from error to
5619         warning.
5620
5621         * script.cc (class Lazy_demangler): Recreate--revert part of patch
5622         of 2009-12-30.
5623         (Version_script_info::Version_script_info): Initialize globs_,
5624         default_version_, default_is_global_, and exact_.  Don't
5625         initialize globals_ or locals_.
5626         (Version_script_info::build_lookup_tables): Build local symbols
5627         first.
5628         (Version_script_info::unquote): New function.
5629         (Version_script_info::add_exact_match): New function.
5630         (Version_script_info::build_expression_list_lookup): Remove lookup
5631         parameter.  Add is_global parameter.  Change all callers.  Handle
5632         wildcard pattern specially.  Unquote pattern.  Call
5633         add_exact_match.
5634         (Version_script_info::get_name_to_match): New function.
5635         (Version_script_info::get_symbol_version): New function.
5636         (Version_script_info::get_symbol_version_helper): Remove.
5637         (Version_script_info::check_unmatched_names): Call unquote.
5638         * script.h (class Version_script_info): Change get_symbol_version
5639         to be non-inline and add is_global parameter; change all callers.
5640         Rewrite symbol_is_local.  Update declarations.  Define struct
5641         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
5642         Remove globals_ and locals_ members.  Add exact_, globs_,
5643         default_version_, is_global_.
5644         (Version_script_info::Glob): Remove pattern, add expression and
5645         is_global.  Update constructor.  Change all callers.
5646         * dynobj.cc (Versions::finalize): Mark the version symbol as the
5647         default version.
5648         (Versions::symbol_section_contents): If a symbol is undefined, or
5649         defined in a dynamic object, set the version index to
5650         VER_NDX_LOCAL.
5651         * symtab.cc (Symbol_table::add_from_relobj): Don't call
5652         symbol_is_local.
5653         (Symbol_table::add_from_pluginobj): Likewise.
5654         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
5655
5656 2010-01-11  Doug Kwan  <dougkwan@google.com>
5657
5658         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
5659         (incremental_dump_LDADD): Add linking option for libintl.
5660         * Makefile.in: Regenerate.
5661
5662 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
5663
5664         PR gold/11144
5665         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5666         instead of -Ds.
5667         * testsuite/Makefile.in: Regenerated.
5668
5669 2010-01-10  Doug Kwan  <dougkwan@google.com>
5670
5671         * options.h (DEFINE_var): Use parentheses around argument varname__
5672         in macro body to avoid any unintended subsequent substitutions.
5673
5674 2010-01-10  Ian Lance Taylor  <iant@google.com>
5675
5676         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
5677         candidates before doing symbol resolution.
5678
5679         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
5680         ODR candidates if only one is weak.
5681
5682 2010-01-08  Ian Lance Taylor  <iant@google.com>
5683
5684         * script.cc (Version_script_info::build_expression_list_lookup):
5685         Don't warn about ambiguous version, just record the ambiguity.
5686         (Version_script_info::get_symbol_version_helper): Give error if
5687         version is ambiguous.
5688
5689 2010-01-08  Doug Kwan  <dougkwan@google.com>
5690
5691         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
5692           prev_data_size_ and prev_addralign_.  Remove initializer for
5693           deleted data member has_been_changed_.
5694           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
5695           to determine if the table is empty.
5696           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
5697           Remove.
5698           (Stub_table::add_reloc_stub): Define method in class definition
5699           instead of just declaring it there.
5700           (Stub_table::add_cortex_a8_stub): New method definition.
5701           (Stub_table::update_data_size_and_addralign): Ditto.
5702           (Stub_table::finalize_stubs): Ditto.
5703           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
5704           (Stub_table::do_addralign_): Return address alignment in the
5705           (Stub_table::do_reset_address_and_file_offset): Define method in
5706           class definition instead of declaring it there.  Set current data
5707           size to be the data size of the previous pass.
5708           (Stub_table::set_final_data_size): Use current data size as the
5709           final data size.
5710           (Stub_table::relocate_stub): Change parameter type of stub from
5711           Reloc_stub pointer to Stub pointer.
5712           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
5713           (Stub_table::Cortex_a8_stub_list): New typedef.
5714           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
5715            Stub_table::prev_addralign_): New data member.
5716           (Arm_relobj::Arm_relobj): Initialize data member
5717           section_has_cortex_a8_workaround_.
5718           (Arm_relobj::section_has_cortex_a8_workaround,
5719            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
5720            definitions.
5721           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
5722           declarations.
5723           (Target_arm::relocate_stub): Change parameter type of stub from
5724           Reloc_stub pointer to Stub pointer.
5725           (Insn_template::size, Insn_template::alignment): Handle
5726           THUMB16_SPECIAL_TYPE.
5727           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
5728            Stub_table::update_data_size_and_addralign,
5729            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
5730           definitions.
5731           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
5732           (Stub_table::do_write): Ditto.
5733           (Target_arm::do_relax): Adjust code for changes in Stub_table.
5734
5735 2010-01-08  Ian Lance Taylor  <iant@google.com>
5736
5737         PR 11108
5738         * symtab.h (class Symbol): Remove fields is_target_special_ and
5739         has_plt_offset_.  Add field is_defined_in_discarded_section_.
5740         (Symbol::is_defined_in_discarded_section): New function.
5741         (Symbol::set_is_defined_in_discarded_section): New function.
5742         (Symbol::has_plt_offset): Rewrite.
5743         (Symbol::set_plt_offset): Verify that new offset is not -1U.
5744         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
5745         Don't initialize is_target_special_ or has_plt_offset_.
5746         Initialize is_defined_in_discarded_section_.
5747         (Symbol_table::add_from_relobj): If appropriate, set
5748         is_defined_in_discarded_section.
5749         * resolve.cc (Symbol::override_base_with_special): Don't test
5750         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
5751         * target-reloc.h (relocate_section): Do special handling for
5752         symbols defined in discarded sections for global symbols as well
5753         as local symbols.
5754
5755 2010-01-08  Ian Lance Taylor  <iant@google.com>
5756
5757         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
5758         the SHT_SYMTAB case.
5759
5760 2010-01-08  Ian Lance Taylor  <iant@google.com>
5761
5762         * object.cc (Sized_relobj::do_layout): Don't get confused if
5763         layout_eh_frame returns NULL.
5764
5765 2010-01-08  Ian Lance Taylor  <iant@google.com>
5766
5767         PR 11084
5768         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
5769         dynamic symbol table, use the normal symbol table.
5770         (Sized_dynobj::do_read_symbols): Remove assertion about type of
5771         symbol table.
5772
5773 2010-01-08  Ian Lance Taylor  <iant@google.com>
5774
5775         PR 11072
5776         * layout.cc (Layout::include_section): Remove .gnu_debuglink
5777         sections.
5778
5779 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
5780
5781         * version.cc (print_version): Change to "Copyright 2010".
5782
5783 2010-01-08  Ian Lance Taylor  <iant@google.com>
5784
5785         PR 10287
5786         PR 11063
5787         * i386.cc (class Target_i386): Change return type of plt_section
5788         to be non-const.
5789         (class Output_data_plt_i386): Add tls_desc_rel_ field.
5790         (Output_data_plt_i386::Output_data_plt_i386): Initialize
5791         tls_desc_rel_ field.
5792         (Output_data_plt_i386::rel_tls_desc): New function.
5793         (Target_i386::rel_tls_desc_section): New function.
5794         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
5795         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
5796         R_386_TLS_DESC reloc in rel_tls_desc_section.
5797         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
5798         Define struct Tlsdesc_info.
5799         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
5800         (Target_x86_64::do_reloc_symbol_index): New function.
5801         (Target_x86_64::add_tlsdesc_info): New function.
5802         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
5803         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
5804         tlsdesc_rel_ field.
5805         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
5806         all callers.
5807         (Output_data_plt_x86_64::rela_tlsdesc): New function.
5808         (Target_x86_64::rela_tlsdesc_section): New function.
5809         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
5810         handling.
5811         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
5812         (Target_x86_64::do_reloc_addend): New function.
5813         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
5814         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
5815         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
5816         (Output_reloc::type): New function.
5817         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
5818         (Output_reloc::is_target_specific): New function.
5819         (Output_reloc::target_arg): New function.
5820         (class Output_reloc) [SHT_RELA]: Add four new constructors for
5821         absolute relocs and target specific relocs.
5822         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
5823         add_target_specific.
5824         (class Output_data_reloc) [SHT_RELA]: Likewise.
5825         * output.cc (Output_reloc::Output_reloc): Add four new versions
5826         for absolute relocs and target specific relocs.
5827         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
5828         (Output_reloc::get_symbol_index): Likewise.
5829         (Output_reloc::local_section_offset): Check that local_sym_index_
5830         is not TARGET_CODE or 0.
5831         (Output_reloc::symbol_value): Likewise.
5832         (Output_reloc::write) [SHT_RELA]: Call target for target specific
5833         reloc.
5834         * target.h (class Target): Add reloc_symbol_index and reloc_addend
5835         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
5836         functions.
5837         * layout.cc (add_target_dynamic_tags): Use output section for
5838         DT_PLTRELSZ and DT_JMPREL.
5839
5840 2010-01-07  Ian Lance Taylor  <iant@google.com>
5841
5842         PR 11061
5843         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
5844         function.
5845         (class Output_data_reloc_generic): Define.
5846         (class Output_data_reloc_base): Change base class to
5847         Output_data_reloc_generic.  Change add() method to call
5848         bump_relative_reloc_count for a relative reloc.  Remove
5849         sort_relocs_ field.
5850         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
5851         to sort_relocs().
5852         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
5853         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
5854         appropriate.
5855         * layout.h (class Layout): Update declaration.
5856
5857 2010-01-07  Ian Lance Taylor  <iant@google.com>
5858
5859         * output.h (class Output_data): Add const version of
5860         output_section and do_output_section.
5861         (class Output_section_data): Add const version of
5862         do_output_section.
5863         (class Output_section): Likewise.
5864         * layout.cc (Layout::add_target_dynamic_tags): New function.
5865         * layout.h (class Layout): Update declarations.
5866         * arm.cc (Target_arm::do_finalize_sections): Use
5867         add_target_dynamic_tags.
5868         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5869         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
5870         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
5871         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5872
5873 2010-01-07  Ian Lance Taylor  <iant@google.com>
5874
5875         PR 11042
5876         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
5877         object as needed.
5878
5879 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
5880             Ian Lance Taylor  <iant@google.com>
5881
5882         PR 11019
5883         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
5884         Xindex::read_symtab_xindex.
5885
5886 2010-01-07  Doug Kwan  <dougkwan@google.com>
5887
5888         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
5889         (Insn_template::thumb16_bcond_insn): New method declaration.
5890         (Insn_template): Fix spelling.
5891         (Stub::thumb16_special): New method declaration.
5892         (Stub::do_write): Define virtual method which was previously pure
5893         virtual.
5894         (Stub::do_thumb16_special): New method declaration.
5895         (Stub::do_fixed_endian_write): New template member.
5896         (Reloc_stub::do_write): Remove.
5897         (Reloc_stub::do_fixed_endian_write): Remove.
5898         (Cortex_a8_stub): New class definition.
5899         (Stub_factory::make_cortex_a8_stub): New method definition.
5900         (Stub_factory::Stub_factory): Add missing static storage class
5901         qualifier for elf32_arm_stub_a8_veneer_blx.
5902
5903 2010-01-07  Ian Lance Taylor  <iant@google.com>
5904
5905         PR 10980
5906         * options.h (class General_options): Add --warn-unresolved-symbols
5907         and --error-unresolved-symbols.
5908         * errors.cc (Errors::undefined_symbol): Implement
5909         --warn-unresolved-symbols.
5910
5911         * options.h (class General_options): Add -z text and -z textoff.
5912         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
5913
5914 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
5915
5916         * gc.h (Garbage_collection::Cident_section_map): New typedef.
5917         (Garbage_collection::cident_sections): New function.
5918         (Garbage_collection::add_cident_section): New function.
5919         (Garbage_collection::cident_sections_): New member.
5920         (gc_process_relocs): Add references to sections whose names are C
5921         identifiers.
5922         * gold.h (cident_section_start_prefix): New constant.
5923         (cident_section_stop_prefix): New constant.
5924         (is_cident): New function.
5925         * layout.cc (Layout::define_section_symbols): Replace string constants
5926         with the newly defined constants.
5927         * object.cc (Sized_relobj::do_layout): Track sections whose names are
5928         C identifiers.
5929         * testsuite/Makefile.am: Add gc_orphan_section_test.
5930         * testsuite/Makefile.in: Regenerate.
5931         * testsuite/gc_orphan_section_test.cc: New file.
5932         * testsuite/gc_orphan_section_test.sh: New file.
5933
5934 2010-01-06  Ian Lance Taylor  <iant@google.com>
5935
5936         PR 10980
5937         * options.h (class General_options): Add --warn-shared-textrel.
5938         * layout.cc (Layout::finish_dynamic_section): Implement
5939         --warn-shared-textrel.
5940
5941         PR 10980
5942         * options.h (class General_options): Add --warn-multiple-gp.
5943
5944 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5945
5946         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
5947         $(THREADSLIB) and $(LIBDL).
5948         * Makefile.in: Rebuild.
5949
5950 2010-01-06  Ian Lance Taylor  <iant@google.com>
5951
5952         PR 10980
5953         * options.cc (General_options::parse_section_start): New function.
5954         (General_options::section_start): New function.
5955         (General_options::General_options): Initialize all members.
5956         * options.h: Include <map>
5957         (class General_options): Add --section-start.  Add section_starts_
5958         member.
5959         * layout.cc (Layout::attach_allocated_section_to_segment): If
5960         --section-start was used, set the address of the segment.  Remove
5961         local sort_sections.
5962         (Layout::relaxation_loop_body): If the address of the load segment
5963         has been set by --section-start, don't use it.
5964         * output.h (Output_segment::update_flags_for_output_section): New
5965         function.
5966         * output.cc (Output_segment::add_output_section): Call
5967         update_flags_for_output_section.
5968
5969 2010-01-05  Ian Lance Taylor  <iant@google.com>
5970
5971         PR 10980
5972         * options.h (class General_options): Add --undefined-version.
5973         * script.cc (struct Version_expression): Add was_matched_by_symbol
5974         field.
5975         (Version_script_info::matched_symbol): New function.
5976         (Version_script_info::get_symbol_version_helper): Call
5977         matched_symbol.
5978         (Version_script_info::check_unmatched_names): New function.
5979         * script.h (class Version_script_info): Update declarations.
5980         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
5981
5982         * options.h (class General_options): Use DEFINE_bool_alias for
5983         allow_multiple_definition.
5984         * resolve.cc (Symbol_table::should_override): Don't test
5985         allow_multiple_definition.
5986
5987         PR 10980
5988         * options.h (class General_options): Add --cref.
5989         * main.cc (main): Print cref table if --cref.  Don't close mapfile
5990         until after printing cref table.
5991         * cref.cc: Include "symtab.h".
5992         (class Cref_inputs): Define Cref_table_compare and Cref_table.
5993         (Cref_table_compare::operator()): New function.
5994         (Cref_inputs::gather_cref): New function.
5995         (filecol): New static const.
5996         (Cref_inputs::print_cref): New function.
5997         (Cref::print_cref): New function.
5998         * cref.h: Include <cstdio>.
5999         (class Cref): Update declarations.
6000         * mapfile.h (Mapfile::file): New function.
6001         * object.h (class Object): Define Symbols.  Declare virtual
6002         do_get_global_symbols.
6003         (Object::get_global_symbols): New function.
6004         * object.cc (Input_objects::add_object): Pass object to cref_ if
6005         --cref.
6006         (Input_objects::archive_start): Likewise.
6007         (Input_objects::archive_stop): Likewise.
6008         (Input_objects::print_cref): New function.
6009         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6010         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6011         --cref.
6012         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6013         function.
6014         * plugin.h (class Sized_pluginobj): Update declarations.
6015
6016 2010-01-05  Ian Lance Taylor  <iant@google.com>
6017
6018         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6019         to is_default_version.  Rename insdef to insdefault.
6020         (Symbol_table::add_from_relobj): Rename def to is_default_version
6021         and local to is_forced_local.
6022         (Symbol_table::add_from_pluginobj): Likewise.
6023         (Symbol_table::add_from_dynobj): Likewise.
6024         (Symbol_table::define_special_symbol): Rename insdef to
6025         insdefault.
6026
6027 2010-01-04  Ian Lance Taylor  <iant@google.com>
6028
6029         PR 10980
6030         * options.h (class General_options): Add
6031         --allow-multiple-definition and -z muldefs.
6032         * resolve.cc (Symbol_table::should_override): Don't warn about a
6033         multiple symbol definition if --allow-multiple-definition or -z
6034         muldefs.
6035
6036         PR 10980
6037         * options.h (class General_options): Add --add-needed and
6038         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6039         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6040         error if --copy-dt-needed-entries aka --add-needed is used and
6041         would cause a change in behaviour.
6042
6043         PR 10980
6044         * options.h (class General_options): Add -G as a short version of
6045         --shared.  Add no-op options -assert, -g, and -i.
6046
6047 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6048
6049         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6050         check for .text or .gnu.linkonce.t sections.
6051         * icf.cc (Icf::find_identical_sections): Ditto.
6052         Change the detection for mangled function name within the section
6053         name.
6054         * icf.h (is_section_foldable_candidate): New function.
6055
6056 2009-12-30  Ian Lance Taylor  <iant@google.com>
6057
6058         PR 10980
6059         * options.h (class General_options): Permit two dashes with
6060         --retain-symbols-file.
6061
6062 2009-12-30  Ian Lance Taylor  <iant@google.com>
6063
6064         PR 10979
6065         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6066         don't put the file header and segment headers in the text
6067         segment.
6068
6069         PR 10979
6070         * common.cc (Sort_commons::operator()): Stabilize sort when both
6071         entries are NULL.
6072         (Symbol_table::do_allocate_commons_list): When allocating common
6073         symbols, skip a symbol which is no longer common.
6074         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6075         an object before checking its type.
6076         * testsuite/common_test_2.c: New file.
6077         * testsuite/common_test_3.c: New file.
6078         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6079         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6080         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6081         (common_test_2_pic.o, common_test_2.so): New targets.
6082         (common_test_3_pic.o, common_test_3.so): New targets.
6083         * testsuite/Makefile.in: Rebuild.
6084
6085         PR 10979
6086         * script.cc (read_input_script): If we see a new SECTIONS clause,
6087         and we have added an input section, give an error.
6088         * layout.h (class Layout): Add have_added_input_section function.
6089         Add have_added_input_section_ field.
6090         * layout.cc (Layout::Layout): Initialize
6091         have_added_input_section_.
6092         (Layout::layout): Set have_added_input_section_.
6093         (Layout::layout_eh_frame): Likewise.
6094
6095 2009-12-30  Ian Lance Taylor  <iant@google.com>
6096
6097         PR 10931
6098         * options.h (class General_options): Add --sort-common option.
6099         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6100         * common.cc (Sort_common): Add sort_order parameter to
6101         constructor.  Add sort_order_ field.
6102         (Sort_commons::operator): Check sort_order_.
6103         (Symbol_table::allocate_commons): Determine the sort order.
6104         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6105         Change all callers.
6106         (Symbol_table::do_allocate_commons_list): Likewise.
6107
6108 2009-12-30  Ian Lance Taylor  <iant@google.com>
6109
6110         PR 10916
6111         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6112         symbols from this object, don't change the visibility of an
6113         undefined symbol.
6114         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6115
6116 2009-12-30  Ian Lance Taylor  <iant@google.com>
6117
6118         PR 10861
6119         * script.h (class Version_script_info): Define Language enum.
6120         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6121         new fields globals_, locals_, and is_finalized_.
6122         * script.cc: Various formatting fixes.
6123         (class Parser_closure): Change language_stack_ from a vector of
6124         std::string to one of Version_script_info::Language.  Adjust all
6125         uses accordingly.
6126         (class Lazy_demangler): Remove.
6127         (struct Version_expression): Change language from std::string to
6128         Version_script_info::Language.
6129         (Version_script_info::Version_script_info): New function.
6130         (Version_script_info::~Version_script_info): Don't call clear.
6131         (Version_script_info::finalize): New function.
6132         (Version_script_info::build_lookup_tables): New function.
6133         (Version_script_info::build_expression_list_lookup): New
6134         function.
6135         (Version_script_info::get_symbol_version_helper): Rewrite to use
6136         lookup tables.
6137         (Version_script_info::print_expression_list): Adjust to use
6138         Version_script_info::Language.
6139         (script_push_lex_into_version_mode): Check that the version script
6140         has not been finalized.
6141         (version_script_push_lang): Change language string to
6142         Version_script_info::Language.
6143         * options.cc (Command_line::version_script): New function.
6144         * options.h (class General_options): Add finalize_dynamic_list
6145         function.  Change version_script from declaration to definition.
6146         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6147         * testsuite/version_script.map: Remove duplicate def of foo.
6148         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6149         version_script.map.
6150         * testsuite/Makefile.in: Rebuild.
6151
6152 2009-12-30  Ian Lance Taylor  <iant@google.com>
6153
6154         PR 10843
6155         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6156         if the input symbol index is 0, make the output symbol index 0.
6157
6158 2009-12-30  Ian Lance Taylor  <iant@google.com>
6159
6160         PR 10670
6161         * options.h (class General_options): Add -x/--discard-all.
6162         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6163         --discard-all.  If the local symbol needs a dynamic entry, check
6164         that before handling --discard-locals.
6165
6166 2009-12-30  Ian Lance Taylor  <iant@google.com>
6167
6168         PR 10450
6169         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6170         flags to PF_R.
6171         (Output_segment::add_output_section): Don't change the flags if
6172         the type is PT_TLS.
6173
6174         PR 10450
6175         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6176         GNU hash table if they need a dynamic value.  Otherwise, don't add
6177         them if they are defined in a dynamic object or are forced local.
6178
6179 2009-12-29  Ian Lance Taylor  <iant@google.com>
6180
6181         PR 10450
6182         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6183         .gnu.hash table for a 32-bit target.
6184
6185         PR 10450
6186         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6187         regular and a dynamic object only needs a dynamic symbol table
6188         entry if it is externally visible.
6189
6190         PR 10450
6191         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6192         constructor.  Add global_offset_table_ field.
6193         (Target_i386::got_section): Set global_offset_table_.
6194         (Target_i386::do_finalize_sections): Set global_offset_table_
6195         size.
6196         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6197         in constructor.  Add global_offset_table_ field.
6198         (Target_x86_64::got_section): Set global_offset_table_.
6199         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6200         size.
6201
6202         * layout.cc (Layout::Layout): Initialize increase_relro_.
6203         (Layout::get_output_section): Add is_relro, is_last_relro, and
6204         is_first_non_relro parameters.  Change all callers.
6205         (Layout::choose_output_section): Likewise.
6206         (Layout::add_output_section_data): Likewise.
6207         (Layout::make_output_section): Likewise.
6208         (Layout::set_segment_offsets): Clear increase_relro when using a
6209         linker script.
6210         * layout.h (class Layout): Add increase_relro method.  Add
6211         increase_relro_ field.  Update declarations.
6212         * output.cc (Output_section::Output_section): Initialize
6213         is_last_relro_ and is_first_non_relro_.
6214         (Output_segment::add_output_section): Group relro sections is
6215         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6216         (Output_segment::maximum_alignment): Remove relro handling.
6217         (Output_segment::set_section_addresses): Add increase_relro
6218         parameter.  Change all callers.  Add initial alignment to align
6219         relro sections on separate page.  Remove old relro handling.
6220         (Output_segment::set_section_list_addresses): Remove in_relro
6221         parameter.  Change all callers.
6222         (Output_segment::set_offset): Add increase parameter.  Change all
6223         callers.  Remove old relro handling.
6224         * output.h (class Output_section): Add new methods: is_last_relro,
6225         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6226         Add is_last_relro_ and is_first_non_relro_ fields.
6227         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6228         Create separate .got.plt section.  Call increase_relro.
6229         * x86_64.cc (Target_x86_64::got_section): Likewise.
6230         * testsuite/relro_script_test.t: Add .got.plt.
6231
6232         PR 10450
6233         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6234         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6235         (Layout::finalize): Call set_dynamic_symbol_size.
6236         (Layout::set_dynamic_symbol_size): New function.
6237         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6238         set_dynamic_symbol_size.
6239
6240         PR 10450
6241         * output.h (class Output_section): Add is_entsize_zero_ field.
6242         * output.cc (Output_section::Output_section): Initialize
6243         is_entsize_zero_.
6244         (Output_section::set_entsize): If two different entsizes are
6245         requested, force it to zero.
6246         (Output_section::add_input_section): Set flags for .debug_str
6247         before updating section flags.  Set entsize.
6248         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6249         and SHF_STRING if all input sections have those flags.
6250
6251 2009-12-29   Rafael Espindola  <espindola@google.com>
6252
6253         * main.cc (main): Fix the sys time reporting.
6254         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6255         reporting.
6256
6257 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6258
6259         * options.cc (General_options::parse_version): Allow -v to exit
6260         without an error if there is nothing to link.
6261
6262 2009-12-29  Ian Lance Taylor  <iant@google.com>
6263
6264         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6265         using a version of gcc before 4.1.
6266         * configure: Rebuild.
6267
6268 2009-12-28  Chris Demetriou  <cgd@google.com>
6269
6270         * attributes.cc (Output_attributes_section_data::do_write): Use
6271         std::vector::front rather than std::vector::data.
6272
6273 2009-12-28  Ian Lance Taylor  <iant@google.com>
6274
6275         * symtab.h (class Symbol_table): Add enum Defined.
6276         * resolve.cc (Symbol_table::should_override): Add defined
6277         parameter.  Change all callers.  Test whether object is NULL
6278         before calling a method on it.
6279         (Symbol_table::report_resolve_problem): Add defined parameter.
6280         Change all callers.
6281         (Symbol_table::should_override_with_special): Likewise.
6282         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6283         parameter.  Change all callers.
6284         (Symbol_table::do_define_in_output_data): Likewise.
6285         (Symbol_table::define_in_output_segment): Likewise.
6286         (Symbol_table::do_define_in_output_segment): Likewise.
6287         (Symbol_table::define_as_constant): Likewise.
6288         (Symbol_table::do_define_as_constant): Likewise.
6289         * script.h (class Symbol_assignment): Add is_defsym parameter to
6290         constructor; change all callers.
6291         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6292         parameter.  Change all callers.  Add is_defsym_ field.
6293         (class Parser_closure): Add parsing_defsym parameter to
6294         constructor; change all callers.  Add parsing_defsym accessor
6295         function.  Add parsing_defsym_ field.
6296
6297 2009-12-28  Ian Lance Taylor  <iant@google.com>
6298
6299         * gold.cc (queue_middle_tasks): Fix formatting.
6300         * object.cc (Relobj::is_section_name_included): Likewise.
6301
6302 2009-12-23  Ian Lance Taylor  <iant@google.com>
6303
6304         * i386.cc (Target_i386::do_calls_non_split): Recognize
6305         -fsplit-stack prologue for a function with a static chain.
6306         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6307         -fsplit-stack prologue when using %r11.
6308
6309 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6310
6311         * options.cc (General_options::parse_version): Make -v continue and do
6312         the link like GNU ld does.
6313
6314 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6315
6316         * Makefile.am (CCFILES): Add timer.cc.
6317         (HFILES): Add timer.h.
6318         * configure.ac: Check for sysconf and times.
6319         * main.cc: include timer.h.
6320         (main): Use Timer instead of get_run_time.
6321         * timer.cc: New.
6322         * timer.h: New.
6323         * workqueue.cc: include timer.h.
6324         (Workqueue::find_and_run_task):
6325         Report user, sys and wall time.
6326         * Makefile.in: Regenerate.
6327         * config.in: Regenerate.
6328         * configure: Regenerate.
6329
6330 2009-12-16  Doug Kwan  <dougkwan@google.com>
6331
6332         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6333         sections.
6334         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6335         relaxed input sections.
6336         * output.cc (Output_section::find_relaxed_input_section): Change
6337         return type to Output_relaxed_input_section pointer.  Adjust code
6338         for new type of relaxed_input_section_map_.
6339         * output.h (Output_section::find_relaxed_input_section): Change
6340         return type to Output_relaxed_input_section pointer.
6341         (Output_section::Output_relaxed_input_section_by_input_section_map):
6342         New type.
6343         (Output_section::relaxed_input_section_map_): Change type to
6344         Output_section::Output_relaxed_input_section_by_input_section_map.
6345         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6346         input section.
6347
6348 2009-12-15  Ian Lance Taylor  <iant@google.com>
6349
6350         * layout.cc (Layout::create_shstrtab): Only write out after input
6351         sections if we are compressing debug sections.
6352
6353 2009-12-15  Ian Lance Taylor  <iant@google.com>
6354
6355         * archive.cc (Archive::add_symbols): Only look up a symbol without
6356         a version if there is, in fact, a version.
6357
6358 2009-12-14  Ian Lance Taylor  <iant@google.com>
6359
6360         Revert -Wshadow changes, all changes from:
6361         2009-12-11  Doug Kwan  <dougkwan@google.com>
6362         2009-12-11  Nick Clifton  <nickc@redhat.com>
6363         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6364
6365 2009-12-11  Doug Kwan  <dougkwan@google.com>
6366
6367         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6368         due to -Wshadow.
6369         * attributes.cc (Object_attribute::size): Ditto.
6370         (Attributes_section_data::size): Ditto.
6371         (Attributes_section_data::Attributes_section_data): Ditto.
6372         (Output_attributes_section_data::do_write): Ditto.
6373         * attributes.h (Object_attribute::set_type): Ditto.
6374         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6375
6376 2009-12-11  Nick Clifton  <nickc@redhat.com>
6377
6378         * archive.cc: Fix shadowed variable warnings.
6379         * arm.cc: Likewise.
6380         * compressed_output.cc: Likewise.
6381         * compressed_output.h: Likewise.
6382         * configure: Likewise.
6383         * dwarf_reader.cc: Likewise.
6384         * dynobj.cc: Likewise.
6385         * dynobj.h: Likewise.
6386         * ehframe.cc: Likewise.
6387         * ehframe.h: Likewise.
6388         * errors.cc: Likewise.
6389         * expression.cc: Likewise.
6390         * fileread.cc: Likewise.
6391         * fileread.h: Likewise.
6392         * freebsd.h: Likewise.
6393         * i386.cc: Likewise.
6394         * icf.cc: Likewise.
6395         * incremental.h: Likewise.
6396         * layout.cc: Likewise.
6397         * layout.h: Likewise.
6398         * mapfile.cc: Likewise.
6399         * merge.cc: Likewise.
6400         * merge.h: Likewise.
6401         * object.cc: Likewise.
6402         * object.h: Likewise.
6403         * options.h: Likewise.
6404         * output.cc: Likewise.
6405         * output.h: Likewise.
6406         * parameters.cc: Likewise.
6407         * plugin.cc: Likewise.
6408         * powerpc.cc: Likewise.
6409         * reduced_debug_output.cc: Likewise.
6410         * reduced_debug_output.h: Likewise.
6411         * reloc.cc: Likewise.
6412         * reloc.h: Likewise.
6413         * resolve.cc: Likewise.
6414         * script-sections.cc: Likewise.
6415         * script.cc: Likewise.
6416         * script.h: Likewise.
6417         * sparc.cc: Likewise.
6418         * symtab.cc: Likewise.
6419         * symtab.h: Likewise.
6420         * target-select.cc: Likewise.
6421         * target-select.h: Likewise.
6422         * token.h: Likewise.
6423         * workqueue.cc: Likewise.
6424         * workqueue.h: Likewise.
6425         * x86_64.cc: Likewise.
6426
6427 2009-12-10  Doug Kwan  <dougkwan@google.com>
6428
6429         * arm.cc (attributes.h): New include.
6430         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6431         (Arm_relobj::~Arm_relobj): Delete object pointed by
6432         attributes_section_data_.
6433         (Arm_relobj::attributes_section_data): New method definition.
6434         (Arm_relobj::attributes_section_data_): New data member declaration.
6435         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6436         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6437         attributes_section_data_.
6438         (Arm_dynobj::attributes_section_data): New method definition.
6439         (Arm_dynobj::attributes_section_data_): New data member declaration.
6440         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6441         initialization value of may_use_blx_ to false.
6442         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6443         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6444         object attributes to compute results instead of hard-coding.
6445         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6446         Target_arm::get_secondary_compatible_arch,
6447         Target_arm::set_secondary_compatible_arch
6448         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6449         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6450         New method declarations.
6451         (Target_arm::get_aeabi_object_attribute): New method definition.
6452         (Target_arm::attributes_section_data_): New data member declaration.
6453         (read_arm_attributes_section): New template definition.
6454         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6455         (Arm_dynobj::do_read_symbols): Ditto.
6456         (Target_arm::do_finalize_sections): Merge attributes sections from
6457         input.  Check for BLX use after attributes section merging.
6458         Fix __exidx_start and __exidx_end visibility.  Create an
6459         .ARM.attributes section if necessary.
6460         (Target_arm::get_secondary_compatible_arch,
6461         Target_arm::set_secondary_compatible_arch,
6462         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6463         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6464         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6465         New method definitions.
6466
6467 2009-12-09  Ian Lance Taylor  <iant@google.com>
6468
6469         * plugin.cc (Plugin::load): Don't cast from void* to a function
6470         pointer.
6471
6472 2009-12-09  Ian Lance Taylor  <iant@google.com>
6473
6474         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6475         information fields.
6476
6477 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6478
6479         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6480         Replace two_file_shared_1.so with two_file_shared_2.so.
6481         * testsuite/Makefile.in: Regenerated.
6482
6483 2009-12-08  Doug Kwan  <dougkwan@google.com>
6484
6485         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6486         (HFILES): Add attributes.h and int_encoding.h.
6487         * Makefile.in: Regenerate.
6488         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6489         function definitions to int_encoding.cc
6490         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6491         prototypes to int_encoding.h
6492         * reduced_debug_output.cc (int_encoding.h): New include.
6493         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6494         function definitions to int_encoding.cc
6495         (insert_into_vector, read_from_pointer): Move template definitions to
6496         int_encoding.h
6497         * attributes.cc: New file.
6498         * attributes.h: New file.
6499         * int_encoding.cc: New file.
6500         * int_encoding.h: New file.
6501
6502 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6503
6504         PR gold/11055
6505         * incremental-dump.cc (dump_incremental_inputs): New.
6506         (main): Use dump_incremental_inputs.
6507
6508 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6509
6510         PR gold/10893
6511         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6512         checking elfcpp::STT_FUNC.
6513         (Target_i386::Relocate::relocate): Likewise.
6514         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6515
6516         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6517         symbols from shared libraries into normal FUNC symbols.
6518
6519         * symtab.h (Symbol): Add is_func and use it.
6520
6521 2009-12-05  Doug Kwan  <dougkwan@google.com>
6522
6523         * arm.cc (Target_arm::arm_info): Initialize new fields
6524         attributes_section and attributes_vendor.
6525         * i386.cc (Target_i386::i386_info): Same.
6526         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6527         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6528         fields attributes_section and attributes_vendor.
6529         * sparc.cc (Target_sparc::sparc_info): Same.
6530         * target.h (Target::attributes_section, Target::attributes_vendor,
6531         Target::is_attributes_section, Target::attribute_arg_type,
6532         Target::attributes_order): New method definitions.
6533         (Target::Target_info::attributes_section,
6534         Target::Target_info::attributes_vendor): New fields.
6535         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6536         virtual method definitions.
6537         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6538         attributes_section and attributes_vendor.
6539         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6540
6541 2009-12-05  Doug Kwan  <dougkwan@google.com>
6542
6543         * arm.cc: Update comments about interworking and stub generation.
6544         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6545         considered as non-PIC.
6546         (Arm_relocate_functions::base_abs): Fix formatting.
6547         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6548         of function to use GOT entry address instead of offset.
6549         (Target_arm::Scan::global): Issue an error if a symbol would need a
6550         PLT does not get one because it is untyped.  Remove code to create
6551         dynamic symbols for relative branches.
6552         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6553         takes unsigned integer instead of boolean.
6554
6555 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
6556
6557         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6558         (two_file_test_LDADD): Likewise.
6559         (common_test_1_LDADD): Likewise.
6560         (exception_test_LDADD) Likewise.
6561         (weak_test_LDADD): Likewise.
6562         (many_sections_test_LDADD): Likewise.
6563         (initpri1_LDADD): Likewise.
6564         (script_test_1_LDADD): Likewise.
6565         (script_test_2_LDADD): Likewise.
6566         (justsyms_LDADD): Likewise.
6567         (binary_test_LDADD): Likewise.
6568         (large_LDADD): Likewise.
6569         * testsuite/Makefile.in: Regenerated.
6570
6571 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
6572
6573         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6574         (Symbol_table::override_with_special): Likewise.
6575         (Symbol_table::add_from_object): Likewise.
6576
6577 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6578
6579         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6580         Don't set the data_offset twice.
6581
6582 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6583
6584         * testsuite/Makefile.in: Regenerate.
6585
6586 2009-12-03  Doug Kwan  <dougkwan@google.com>
6587
6588         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6589         (Target_arm::do_finalize_sections): Add parameter for symbol table
6590         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6591         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6592         parameter for symbol table pointer.
6593         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6594         an additional parameter for a pointer to symbol table.
6595         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6596         parameter for a symbol table pointer.
6597         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6598         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6599         Ditto.
6600         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6601         parameter for a symbol table pointer.
6602
6603 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
6604
6605         * incremental.cc (Incremental_inputs_header)
6606         (Incremental_inputs_header_write, Incremental_inputs_entry)
6607         (Incremental_inputs_entry_write): Move ...
6608         * incremental.h (Incremental_inputs_header)
6609         (Incremental_inputs_header_write, Incremental_inputs_entry)
6610         (Incremental_inputs_entry_write): here.
6611
6612 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6613
6614         * incremental.cc (make_sized_incremental_binary): Set the target.
6615         Error if it is incompatible.
6616         * output.h (Output_file): Add filename method.
6617
6618 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6619
6620         * incremental.cc (Incremental_inputs_entry): Remove unused argument
6621         from the get_* methods.
6622
6623 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6624
6625         * incremental-dump.cc (main): Check that the offeset of a script is 0.
6626         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6627         Write 0 for the data_offset of scripts.
6628
6629 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6630
6631         * testsuite/Makefile.am: Add the incremental_test.sh test.
6632         * testsuite/incremental_test.sh: New.
6633         * testsuite/incremental_test_1.c: New.
6634         * testsuite/incremental_test_2.c: New.
6635
6636 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
6637
6638        * incremental-dump.cc (main): Fix typos.
6639
6640 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
6641
6642         PR gold/11025
6643         * incremental-dump.cc (main): Use llu to print 64 bit values.
6644
6645 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
6646             H.J. Lu  <hongjiu.lu@intel.com>
6647
6648         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6649         $(LIBDL).
6650         (incremental_dump_LDADD): Likewise.
6651         * Makefile.in: Regenerated.
6652
6653 2009-11-25  Doug Kwan  <dougkwan@google.com>
6654
6655         Revert:
6656
6657         2009-11-25  Doug Kwan  <dougkwan@google.com>
6658
6659                 * arm.cc (Target_arm::Target_arm): Move method definition
6660                 outside of class definition.  Add code to handle
6661                 --target1-rel, --target1-abs and --target2= options.
6662                 (Target_arm::get_reloc_reloc_type): Change method to be
6663                 non-static and const.
6664                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6665                 New data member declaration.
6666                 (Target_arm::Scan::local, Target_arm::Scan::global,
6667                 Target_arm::Relocate::relocate,
6668                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6669                 Adjust call to Target_arm::get_real_reloc_type.
6670                 (Target_arm::get_real_reloc_type): Use command line options
6671                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6672                 * options.h (--target1-rel, --target1-abs, --target2): New
6673                 ARM-only options.
6674
6675 2009-11-25  Doug Kwan  <dougkwan@google.com>
6676
6677         * arm.cc (Target_arm::Target_arm): Move method definition outside of
6678         class definition.  Add code to handle --target1-rel, --target1-abs
6679         and --target2= options.
6680         (Target_arm::get_reloc_reloc_type): Change method to be non-static
6681         and const.
6682         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
6683         member declaration.
6684         (Target_arm::Scan::local, Target_arm::Scan::global,
6685         Target_arm::Relocate::relocate,
6686         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
6687         call to Target_arm::get_real_reloc_type.
6688         (Target_arm::get_real_reloc_type): Use command line options to
6689         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6690         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
6691         options.
6692
6693 2009-11-25  Doug Kwan  <dougkwan@google.com>
6694
6695         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
6696         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
6697         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
6698         formatting.
6699         (Arm_relocate_functions::thm_call): Replace body with a call to
6700         Arm_relocate_functions::thumb_branch_common.
6701         (Arm_relocate_functions::thm_jump24,
6702         Arm_relocate_functions::thm_xpc22): New method definitions.
6703         (Arm_relocate_functions::thumb_branch_common): New method definition.
6704         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
6705         operator.
6706         (Target_arm::Relocate::relocate): Adjust call to thm_call.
6707         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
6708
6709 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6710
6711         * Makefile.am: Build incremental-dump
6712         * Makefile.in: Regenerate.
6713         * incremental-dump.cc: New.
6714         * incremental.cc (Incremental_inputs_header_data,
6715         Incremental_inputs_entry_data): Move to incremental.h
6716         * incremental.h: (Incremental_inputs_header_data,
6717         Incremental_inputs_entry_data): Move from incremental.cc
6718
6719 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6720
6721         * incremental.cc (Incremental_inputs_header,
6722         Incremental_inputs_header_write, Incremental_inputs_entry,
6723         Incremental_inputs_entry_write): Add a typedef with the data type.
6724
6725 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6726
6727         * incremental.cc (Incremental_inputs_header,
6728         Incremental_inputs_header_write, Incremental_inputs_entry,
6729         Incremental_inputs_entry_write): Update comment about which
6730         type has the filed descriptions.
6731
6732 2009-11-15  Doug Kwan  <dougkwan@google.com>
6733
6734         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
6735         (Arm_relocate_functions::arm_branch_common): Change method defintion
6736         in class definition to a method declaration and update list of formal
6737         parameters.
6738         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
6739         Arm_relocation_functions::jump24): Adjust call to
6740         Arm_relocate_functions::arm_branch_common.  Update list of formal
6741         parameters.
6742         (Arm_relocate_functions::xpc25): New method definition.
6743         (Arm_relocate_functions::arm_branch_common): Move method defintion
6744         out from class definition.  Use stubs for mode-switching and extending
6745         branch ranges.
6746         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
6747         specially.  Change code to enable use of stubs in ARM branches.
6748
6749 2009-11-10  Doug Kwan  <dougkwan@google.com>
6750
6751         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
6752         in method declaration.
6753         (Target_arm::relocate_stub): New method declaration.
6754         (Target_arm::default_target): Change to return a pointer instead of
6755         a const reference.
6756         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
6757         Target_arm::default_target.
6758         (Arm_Relobj::do_relocate_sections): Remove options paramater in
6759         method definition.
6760         (Target_arm::relocate_section): Adjust view.
6761         (Target_arm::relocate_stub): New method definition.
6762
6763 2009-11-10  Doug Kwan  <dougkwan@google.com>
6764
6765         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
6766         a format warning.
6767         * incremental.cc (open_incremental_binary): Initialized local
6768         variables to avoid warnings.
6769         * object.cc (make_elf_object): Ditto.
6770         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
6771         a format warning.
6772
6773 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
6774
6775         PR gold/10930
6776         * testsuite/plugin_test.c: Include "config.h".
6777
6778 2009-11-09  Doug Kwan  <dougkwan@google.com>
6779
6780         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
6781         (arm_symbol_value): Remove.
6782         (Arm_relocate_functions::arm_branch_common,
6783         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
6784         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
6785         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
6786         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
6787         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
6788         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
6789         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
6790         Arm_relocate_functions::thm_mobw_abs_nc,
6791         Arm_relocate_functions::thm_mov_abs,
6792         Arm_relocate_functions::movw_prel_nc,
6793         Arm_relocate_functions::thm_movt_abs,
6794         Arm_relocate_functions::movt_prel,
6795         Arm_relocate_functions::thm_movw_prel_nc,
6796         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
6797         (Target_arm::Relocate::relocate): Only decompose address into two
6798         parts if relocation type uses the thumb-bit and pass the actual
6799         bit instead of a flag indicating that the thumb-bit is used.  Adjust
6800         calls to methods in Arm_relocate_functions for this change.
6801
6802 2009-11-08  Ian Lance Taylor  <iant@google.com>
6803
6804         PR 10925
6805         * reloc.cc: Instantiate
6806         Sized_relobj::initialize_input_to_output_maps and
6807         Sized_relobj:free_input_to_output_maps.
6808
6809 2009-11-06  Ian Lance Taylor  <iant@google.com>
6810
6811         PR 10876
6812         * defstd.cc (in_segment): Set only_if_ref true for "end".
6813
6814 2009-11-06  Doug Kwan  <dougkwan@google.com>
6815
6816         * arm.cc (class Reloc_stub): Correct a comment.
6817         (Target_arm::Target_arm): Initialize arm_input_section_map_.
6818         (Target_arm::scan_section_for_stubs): New method declaration.
6819         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
6820         Change methods from private to protected.
6821         (Target_arm::do_may_relax): New method definition.
6822         (Target_arm::do_relax, Target_arm::group_sections,
6823         Target_arm::scan_reloc_for_stub,
6824         Target_arm::scan_reloc_section_for_stubs): New method declarations.
6825         (Target_arm::arm_input_section_map_): New data member declaration.
6826         (Target_arm::scan_reloc_for_stub,
6827         Target_arm::scan_reloc_section_for_stubs,
6828         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
6829         Target_arm::do_relax): New method definitions.
6830
6831 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
6832
6833         * configure.ac: Check for (struct stat)::st_mtim
6834         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
6835         * config.in: Regenerate.
6836         * configure: Regenerate.
6837
6838 2009-11-05  Ian Lance Taylor  <iant@google.com>
6839
6840         PR 10910
6841         * output.cc (Output_segment::add_output_section): Add missing
6842         return statement.
6843
6844 2009-11-04  Ian Lance Taylor  <iant@google.com>
6845
6846         PR 10880
6847         * object.h (class Object): Add is_needed and set_is_needed
6848         methods.  Add is_needed_ field.  Make bool fields into bitfields.
6849         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
6850         defined in a dynamic object and referenced by a regular object,
6851         set is_needed for the dynamic object.
6852         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
6853         if the file is marked with as_needed and it is not needed.
6854
6855 2009-11-04  Ian Lance Taylor  <iant@google.com>
6856
6857         PR 10887
6858         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
6859         tags if data is discarded by linker script.
6860         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6861         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6862         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6863         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6864
6865 2009-11-04  Ian Lance Taylor  <iant@google.com>
6866
6867         * layout.cc (Layout::get_output_section): Add is_interp and
6868         is_dynamic_linker_section parameters.  Change all callers.
6869         (Layout::choose_output_section): Likewise.
6870         (Layout::make_output_section): Likewise.
6871         (Layout::add_output_section_data): Add is_dynamic_linker_section
6872         parameter.  Change all callers.
6873         * layout.h (class Layout): Update declarations.
6874         * output.h (class Output_section): Add is_interp, set_is_interp,
6875         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
6876         Add is_interp_, is_dynamic_linker_section_ fields.  Change
6877         generate_code_fills_at_write_ to a bitfield.
6878         * output.cc (Output_section::Output_sections): Initialize new
6879         fields.
6880         (Output_segment::add_output_section): Add do_sort parameter.
6881         Change all callers.
6882
6883 2009-11-03  Ian Lance Taylor  <iant@google.com>
6884
6885         PR 10860
6886         * options.h (class General_options): Add --warn-common.
6887         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
6888         merging two common symbols.
6889         (Symbol_table::should_override): Handle --warn-common when merging
6890         a common symbol with a defined symbol.  Use report_resolve_problem
6891         for multiple definitions.
6892         (Symbol_table::report_resolve_problem): New function.
6893         * symtab.h (class Symbol_table): Declare report_resolve_problem.
6894
6895 2009-11-03  Doug Kwan  <dougkwan@google.com>
6896
6897         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
6898         stub_factory_.
6899         (Target_arm::stub_factory): New method definition.
6900         (Target_arm::new_arm_input_section,
6901         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
6902         Target_arm::reloc_uses_thumb_bit): New method declarations.
6903         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
6904         New type definitions.
6905         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
6906         member declarations.
6907         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
6908         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
6909         New method definitions.
6910
6911 2009-11-03  Ian Lance Taylor  <iant@google.com>
6912
6913         * options.h (class General_options): Add --warn_constructors.
6914
6915 2009-11-03  Ian Lance Taylor  <iant@google.com>
6916
6917         PR 10893
6918         * defstd.cc (in_section): Add entries for __rel_iplt_start,
6919         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
6920
6921 2009-11-03  Ian Lance Taylor  <iant@google.com>
6922
6923         PR 10895
6924         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
6925         --msgid-bugs-address.
6926         (install-pdf): New target.
6927         (install-data_yes): Look up one directory to find mkinstalldirs.
6928
6929 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
6930
6931         * po/Make-in (.po.gmo): Don't generate .gmo files in source
6932         tree.
6933
6934 2009-10-30  Doug Kwan  <dougkwan@google.com>
6935
6936         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
6937
6938 2009-10-30  Doug Kwan  <dougkwan@google.com>
6939
6940         * arm.cc (Stub_addend_reader): New struct template definition
6941         and partial specializations.
6942         (Stub_addend_reader::operator()): New method definition for a
6943         partially specialized template.
6944
6945 2009-10-30  Doug Kwan  <dougkwan@google.com>
6946
6947         * arm.cc (Arm_relobj::processor_specific_flags): New method
6948         definition.
6949         (Arm_relobj::do_read_symbols): New method declaration.
6950         (Arm_relobj::processor_specific_flags_): New data member declaration.
6951         (Arm_dynobj): New class definition.
6952         (Target_arm::do_finalize_sections): Add input_objects parameter.
6953         (Target_arm::do_adjust_elf_header): New method declaration.
6954         (Target_arm::are_eabi_versions_compatible,
6955         (Target_arm::merge_processor_specific_flags): New method declaration.
6956         (Target_arm::do_make_elf_object): New overloaded method definitions
6957         and declaration.
6958         (Arm_relobj::do_read_symbols): New method definition.
6959         (Arm_dynobj::do_read_symbols): Ditto.
6960         (Target_arm::do_finalize_sections): Add input_objects parameters.
6961         Merge processor-specific flags from all input objects.
6962         (Target_arm::are_eabi_versions_compatible,
6963         Target_arm::merge_processor_specific_flags,
6964         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
6965         New method definitions.
6966         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
6967         Input_objects pointer type parameter.
6968         * layout.cc (Layout::finalize): Pass input objects to target's.
6969         finalize_sections function.
6970         * output.cc (Output_file_header::do_sized_write): Set ELF file
6971         header's processor-specific flags.
6972         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
6973         Input_objects pointer type parameter.
6974         * sparc.cc (Target_sparc::do_finalize_sections): Same.
6975         * target.h (Input_objects): New forward class declaration.
6976         (Target::processor_specific_flags,
6977         Target::are_processor_specific_flags_sect): New method definitions.
6978         (Target::finalize_sections): Add input_objects parameter.
6979         (Target::Target): Initialize processor_specific_flags_ and
6980         are_processor_specific_flags_set_.
6981         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
6982         parameter.
6983         (Target::set_processor_specific_flags): New method definition.
6984         (Target::processor_specific_flags_,
6985         Target::are_processor_specific_flags_set_): New data member
6986         declarations.
6987         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
6988         Input_objects pointer type parameter.
6989
6990 2009-10-30  Doug Kwan  <dougkwan@google.com>
6991
6992         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
6993
6994 2009-10-28  Ian Lance Taylor  <iant@google.com>
6995
6996         * object.h (class Relobj): Drop options parameter from
6997         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
6998         do_scan_relocs, do_relocate.  Change all callers.
6999         (class Sized_relobj): Drop options parameters from
7000         do_gc_process_relocs, do_scan_relocs, do_relocate,
7001         do_relocate_sections, relocate_sections, emit_relocs_scan,
7002         emit_relocs_scan_reltype.  Change all callers.
7003         (struct Relocate_info): Remove options field and all references to
7004         it.
7005         * reloc.h (class Read_relocs): Remove options constructor
7006         parameter and options_ field.  Change all callers.
7007         (class Gc_process_relocs, class Scan_relocs): Likewise.
7008         (class Relocate_task): Likewise.
7009         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7010         all callers.
7011         (scan_relocatable_relocs): Likewise.
7012         * target.h (class Sized_target): Remove options parameter from
7013         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7014         all callers.
7015         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7016         callers.
7017         * arm.cc: Update functions to remove options parameters.
7018         * i386.cc: Likewise.
7019         * powerpc.cc: Likewise.
7020         * sparc.cc: Likewise.
7021         * x86_64.cc: Likewise.
7022         * testsuite/testfile.cc: Likewise.
7023
7024 2009-10-28  Doug Kwan  <dougkwan@google.com>
7025
7026         * arm.cc (Arm_relobj): New class definition.
7027         (Arm_relobj::scan_sections_for_stubs,
7028         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7029         New method definitions.
7030
7031 2009-10-28  Cary Coutant  <ccoutant@google.com>
7032
7033         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7034         (Plugin::cleanup_done_): New member.
7035         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7036         (Plugin_manager::cleanup_done_): Remove.
7037         (Plugin_manager::add_input_file): Edit error message.
7038         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7039         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7040
7041 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7042
7043         * fileread.cc: (File_read::View::~View): Use the new
7044         data_ownership_ filed.
7045         (File_read::~File_read): Dispose the new whole_file_view_.
7046         (File_read::open): Mmap the whole file if needed.
7047         (File_read::open): Use whole_file_view_ instead of contents_.
7048         (File_read::find_view): Use whole_file_view_ if applicable.
7049         (File_read::do_read): Use whole_file_view_ instead of contents_.
7050         (File_read::make_view): Use whole_file_view_ instead of contents_,
7051         update File_read::View::View call.
7052         (File_read::find_or_make_view): Update File_read::View::View
7053         call.
7054         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7055         remove contents_
7056         (File_read::View::Data_ownership): New enum.
7057         (File_read::View::View): Replace bool mapped_ with Data_ownership
7058         argument.
7059         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7060         (File_read::View::data_ownership_): New field.
7061         (File_read::contents_): Remove (replaced by whole_file_view_).
7062         (File_read::whole_file_view_): New field.
7063         * options.h (class General_options): Add --keep-files-mapped.
7064
7065 2009-10-27  Cary Coutant  <ccoutant@google.com>
7066
7067         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7068         * testsuite/Makefile.am (plugin_test_5): New test case.
7069         * testsuite/Makefile.in: Regenerate.
7070
7071 2009-10-25  Doug Kwan  <dougkwan@google.com>
7072
7073         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7074         from private to protected to allow access by child class.
7075         (Sized_relobj::do_relocate_sections): New method declaration.
7076         (Sized_relobj::relocate_sections): Virtualize.
7077         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7078         Sized_relobj::relocate_sections.  Instantiate template explicitly
7079         for different target sizes and endianity.
7080
7081 2009-10-24  Doug Kwan  <dougkwan@google.com>
7082
7083         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7084         (Arm_input_section::as_arm_input_section): New method.
7085         (Arm_output_section): New class definition.
7086         (Arm_output_section::create_stub_group,
7087         Arm_output_section::group_sections): New method definitions.
7088
7089 2009-10-22  Doug Kwan  <dougkwan@google.com>
7090
7091         * arm.cc (Arm_input_section): New class definition.
7092         (Arm_input_section::init, Arm_input_section:do_write,
7093         Arm_input_section::set_final_data_size,
7094         Arm_input_section::do_reset_address_and_file_offset): New method
7095         definitions.
7096
7097 2009-10-21  Doug Kwan  <dougkwan@google.com>
7098
7099         * arm.cc (Stub_table, Arm_input_section): New forward class
7100         declarations.
7101         (Stub_table): New class defintion.
7102         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7103         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7104         New method definition.
7105
7106 2009-10-21  Doug Kwan  <dougkwan@google.com>
7107
7108         * arm.cc: Update copyright comments.
7109         (Target_arm): New forward class template declaration.
7110         (Arm_address): New type.
7111         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7112         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7113         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7114         constants.
7115         (Insn_template): Same.
7116         (DEF_STUBS): New macro.
7117         (Stub_type): New enum type.
7118         (Stub_template): New class definition.
7119         (Stub): Same.
7120         (Reloc_stub): Same.
7121         (Stub_factory): Same.
7122         (Target_arm::Target_arm): Initialize may_use_blx_ and
7123         should_force_pic_veneer_.
7124         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7125         Target_arm::should_force_pic_veneer,
7126         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7127         Target_arm::using_thumb_only, Target_arm:;default_target): New
7128         method defintions.
7129         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7130         New data member declarations.
7131         (Insn_template::size, Insn_template::alignment): New method defintions.
7132         (Stub_template::Stub_template): New method definition.
7133         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7134         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7135         (Stub_factory::Stub_factory): New method definition.
7136         * gold.h (string_hash): New template.
7137         * output.h (Input_section_specifier::hash_value): Use
7138         gold::string_hash.
7139         (Input_section_specifier::string_hash): Remove.
7140         * stringpool.cc (Stringpool_template::string_hash): Use
7141         gold::string_hash.
7142
7143 2009-10-20  Doug Kwan  <dougkwan@google.com>
7144
7145         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7146         symbols of relaxed input sections.
7147         * output.h (Output_section::find_relaxed_input_section): Make
7148         method public.
7149
7150 2009-10-16  Doug Kwan  <dougkwan@google.com>
7151
7152         * dynobj.cc (Versions::Versions): Initialize version_script_.
7153         Only insert base version symbol definition for a shared object
7154         if version script defines any version versions.
7155         (Versions::define_base_version): New method definition.
7156         (Versions::add_def): Check that base version is not needed.
7157         (Versions::add_need): Define base version lazily.
7158         * dynobj.h (Versions::define_base_version): New method declaration.
7159         (Versions::needs_base_version_): New data member declaration.
7160         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7161         (check_DATA): Add no_version_test.stdout.
7162         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7163         New make rules.
7164         * testsuite/Makefile.in: Regenerate.
7165         * testsuite/no_version_test.c: New file.
7166         * testsuite/no_version_test.sh: Ditto.
7167
7168 2009-10-16  Doug Kwan  <dougkwan@google.com>
7169
7170         * expression.cc (class Segment_start_expression): New class definition.
7171         (Segment_start_expression::value): New method definition.
7172         (script_exp_function_segment_start): Return a new
7173         Segment_start_expression.
7174         * gold/script-c.h (script_saw_segment_start_expression): New function
7175         prototype.
7176         * script-sections.cc (Script_sections::Script_sections): Initialize
7177         SAW_SEGMENT_START_EXPRESSION_ to false.
7178         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7179         and -Tbbs options to specify section addresses if given in
7180         command line and no SEGMENT_START expression is seen in a script.
7181         * script-sections.h (Script_sections::saw_segment_start_expression,
7182         Script_sections::set_saw_segment_start_expression): New method
7183         definition.
7184         (Script_sections::saw_segment_start_expression_): New data member
7185         declaration.
7186         * script.cc (script_saw_segment_start_expression): New function.
7187         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7188         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7189         script_test_7.sh and script_test_8.sh.
7190         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7191         script_test_8.stdout.
7192         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7193         (script_test_6, script_test_6.stdout, script_test_7,
7194         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7195         * Makefile.in: Regenerate.
7196         * testsuite/script_test_6.sh: New file.
7197         * testsuite/script_test_6.t: Same.
7198         * testsuite/script_test_7.sh: Same.
7199         * testsuite/script_test_7.t: Same.
7200         * testsuite/script_test_8.sh: Same.
7201
7202 2009-10-16  Doug Kwan  <dougkwan@google.com>
7203
7204         * output.cc (Output_segment::set_section_list_address): Cast
7205         expressions to unsigned long long type to avoid format warnings.
7206
7207 2009-10-15  Ian Lance Taylor  <iant@google.com>
7208
7209         * script.cc (Script_options::add_symbol_assignment): Always add a
7210         dot assignment to script_sections_.
7211         * script-sections.cc (Script_sections::add_dot_assignment):
7212         Initialize if necessary.
7213
7214         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7215         program headers with no load segment if there is a linker script.
7216
7217         * layout.cc (Layout::set_segment_offsets): Align the file offset
7218         to the segment aligment for -N or -n with no load segment.
7219         * output.cc (Output_segment::add_output_section): Don't crash if
7220         the first section is a TLS section.
7221         (Output_segment::set_section_list_addresses): Print an error
7222         message if the address moves backward in a linker script.
7223         * script-sections.cc
7224         (Output_section_element_input::set_section_addresses): Don't
7225         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7226         (Orphan_output_section::set_section_addresses): Likewise.
7227
7228 2009-10-15  Doug Kwan  <dougkwan@google.com>
7229
7230         * layout.cc (Layout::finish_dynamic_section): Generate tags
7231         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7232         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7233         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7234
7235 2009-10-14  Ian Lance Taylor  <iant@google.com>
7236
7237         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7238         fields.
7239         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7240         data_shdr fields of relinfo.
7241         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7242         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7243         R_386_TLS_LDO_32, adjust based on section flags.
7244         (Target_i386::Relocate::fix_up_ldo): Remove.
7245
7246 2009-10-13  Ian Lance Taylor  <iant@google.com>
7247
7248         Add support for -pie.
7249         * options.h (class General_options): Add -pie and
7250         --pic-executable.
7251         (General_options::output_is_position_independent): Test -pie.
7252         (General_options::output_is_executable): Return true if not shared
7253         and not relocatable.
7254         (General_options::output_is_pie): Remove.
7255         * options.cc (General_options::finalize): Reject incompatible uses
7256         of -pie.
7257         * gold.cc (queue_middle_tasks): A -pie link is not static.
7258         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7259         * symtab.cc (Symbol::final_value_is_known): Return false if
7260         output_is_position_independent.
7261         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7262         output_is_position_independent.
7263         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7264         output_is_position_independent.
7265         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7266         output_is_position_independent.
7267         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7268         two_file_pie_test.
7269         (basic_pie_test.o, basic_pie_test): New targets.
7270         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7271         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7272         (two_file_pie_test): New target.
7273         * testsuite/Makefile.in: Rebuild.
7274         * README: Remove note saying that -pie is not supported.
7275
7276 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7277
7278         * options.h (class General_options): Add -init and -fini.
7279         * layout.cc (Layout::finish_dynamic_section): Emit
7280         given init and fini functions.
7281
7282 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7283
7284         * gc.h (gc_process_relocs): Check if icf is enabled using new
7285         function.
7286         * gold.cc (queue_initial_tasks): Likewise.
7287         (queue_middle_tasks): Likewise.
7288         * object.cc (do_layout): Likewise.
7289         * symtab.cc (is_section_folded): Likewise.
7290         * main.cc (main): Likewise.
7291         * reloc.cc (Read_relocs::run): Likewise.
7292         (Sized_relobj::do_scan_relocs): Likewise.
7293         * icf.cc (is_function_ctor_or_dtor): New function.
7294         (Icf::find_identical_sections): Check if function is ctor or dtor when
7295         safe icf is chosen.
7296         * options.h (General_options::icf): Change option to be an enum.
7297         (Icf_status): New enum.
7298         (icf_enabled): New method.
7299         (icf_safe_folding): New method.
7300         (set_icf_status): New method.
7301         (icf_status_): New variable.
7302         * (options.cc) (General_options::finalize): Set icf_status_.
7303         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7304         icf_test and icf_keep_unique_test to use the --icf enum flag.
7305         * testsuite/icf_safe_test.sh: New file.
7306         * testsuite/icf_safe_test.cc: New file.
7307
7308 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7309
7310         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7311         includes to gc.h and icf.h.
7312         * arm.cc: Include gc.h.
7313         * gold.cc: Likewise.
7314         * i386.cc: Likewise.
7315         * powerpc.cc: Likewise.
7316         * sparc.cc: Likewise.
7317         * x86_64.cc: Likewise.
7318         * gc.h: Include icf.h.
7319
7320 2009-10-11  Ian Lance Taylor  <iant@google.com>
7321
7322         * plugin.cc: Include "gold.h" before other header files.
7323
7324 2009-10-10  Chris Demetriou  <cgd@google.com>
7325
7326         * options.h (Input_file_argument::Input_file_type): New enum.
7327         (Input_file_argument::is_lib_): Replace with...
7328         (Input_file_argument::type_): New member.
7329         (Input_file_argument::Input_file_argument): Take Input_file_type
7330         'type' rather than boolean 'is_lib' as second argument.
7331         (Input_file_argument::is_lib): Use type_.
7332         (Input_file_argument::is_searched_file): New function.
7333         (Input_file_argument::may_need_search): Handle is_searched_file.
7334         * options.cc (General_options::parse_library): Support -l:filename.
7335         (General_options::parse_just_symbols): Update for Input_file_argument
7336         changes.
7337         (Command_line::process): Likewise.
7338         * archive.cc (Archive::get_file_and_offset): Likewise.
7339         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7340         * script.cc (read_script_file, script_add_file): Likewise.
7341         * fileread.cc (Input_file::Input_file): Likewise.
7342         (Input_file::will_search_for): Handle is_searched_file.
7343         (Input_file::open): Likewise.
7344         * readsyms.cc (Read_symbols::get_name): Likewise.
7345         * testsuite/Makefile.am (searched_file_test): New test.
7346         * testsuite/Makefile.in: Regenerate.
7347         * testsuite/searched_file_test.cc: New file.
7348         * testsuite/searched_file_test_lib.cc: New file.
7349
7350 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7351             Ian Lance Taylor  <iant@google.com>
7352
7353         * descriptor.cc: Include <cstdio> and "binary-io.h".
7354         (Descriptors::open): Open the files in binary mode always.
7355         * script.cc (Lex::get_token): Treat \r as whitespace.
7356
7357 2009-10-09  Ian Lance Taylor  <iant@google.com>
7358
7359         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7360
7361 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7362             Ian Lance Taylor  <iant@google.com>
7363
7364         * configure.ac: Check for readv function also.
7365         * fileread.cc (readv): Define if not HAVE_READV.
7366         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7367         does not exist.
7368         * config.in: Regenerate.
7369         * configure: Regenerate.
7370
7371 2009-10-09  Doug Kwan  <dougkwan@google.com>
7372
7373         * layout.cc (Layout::make_output_section): Call target hook to make
7374         ordinary output section.
7375         (Layout::finalize): Adjust parameter list of call the
7376         Target::may_relax().
7377         * layout.h (class Layout::section_list): New method.
7378         * merge.h (Output_merge_base::entsize): Change visibility to public.
7379         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7380         New methods.
7381         (Output_merge_string::do_is_string): New method.
7382         * object.cc (Sized_relobj::do_setup): renamed from
7383         Sized_relobj::set_up.
7384         * object.h (Sized_relobj::adjust_shndx,
7385         Sized_relobj::initializ_input_to_output_maps,
7386         Sized_relobj::free_input_to_output_maps): Change visibilities to
7387         protected.
7388         (Sized_relobj::setup): Virtualize.
7389         (Sized_relobj::do_setup): New method declaration.
7390         (Sized_relobj::invalidate_section_offset,
7391         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7392         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7393         * options.cc (parse_int): New function.
7394         * options.h (parse_int): New declaration.
7395         (DEFINE_int): New macro.
7396         (stub_group_size): New option.
7397         * output.cc (Output_section::Output_section): Initialize memebers
7398         merge_section_map_, merge_section_by_properties_map_,
7399         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7400         (Output_section::add_input_section): Handled deferred code-fill
7401         generation and remove an old comment.
7402         (Output_section::add_relaxed_input_section): New method definition.
7403         (Output_section::add_merge_input_section): Use merge section by
7404         properties map to speed to search.  Update merge section maps
7405         as appropriate.
7406         (Output_section::build_relaxation_map): New method definition.
7407         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7408         Same.
7409         (Output_section::relax_input_section): Renamed to
7410         Output_section::convert_input_sections_to_relaxed_sections and change
7411         interface to take a vector of pointers to relaxed sections.
7412         (Output_section::find_merge_section,
7413         Output_section::find_relaxed_input_section): New method definitions.
7414         (Output_section::is_input_address_mapped,
7415         Output_section::output_offset, Output_section::output_address):
7416         Use output section data maps to speed up searching.
7417         (Output_section::find_starting_output_address): Add comments.
7418         (Output_section::do_write,
7419         Output_section::write_to_postprocessing_buffer): Do code-fill
7420         generation as appropriate.
7421         (Output_section::get_input_sections): Invalidate relaxed input section
7422         map.
7423         (Output_section::restore_states): Adjust type of checkpoint .
7424         Invalidate relaxed input section map.
7425         * output.h (Output_merge_base): New class declaration.
7426         (Input_section_specifier): New class defintion.
7427         (class Output_relaxed_input_section) Change base class to
7428         Output_section_data_build.
7429         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7430         base class initializer.
7431         (Output_section::add_relaxed_input_section): New method declaration.
7432         (Output_section::Input_section): Change visibility to protected.
7433         (Output_section::Input_section::relobj,
7434         Output_section::Input_section::shndx): Handle relaxed input sections.
7435         Output_section::input_sections) Change visibility to protected.  Also
7436         define overload to return a non-const pointer.
7437         (Output_section::Merge_section_properties): New class defintion.
7438         (Output_section::Merge_section_by_properties_map,
7439         Output_section::Output_section_data_by_input_section_map,
7440         Output_section::Relaxation_map): New types.
7441         (Output_section::relax_input_section): Rename method to
7442         Output_section::convert_input_sections_to_relaxed_sections and change
7443         interface to take a vector of relaxed section pointers.
7444         (Output_section::find_merge_section,
7445         Output_section::find_relaxed_input_section,
7446         Output_section::build_relaxation_map,
7447         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7448         New method declarations.
7449         (Output_section::merge_section_map_
7450         Output_section::merge_section_by_properties_map_,
7451         Output_section::relaxed_input_section_map_,
7452         Output_section::is_relaxed_input_section_map_valid_,
7453         Output_section::generate_code_fills_at_write_): New data members.
7454         * script-sections.cc
7455         (Output_section_element_input::set_section_addresses): Call
7456         current_data_size and addralign methods of relaxed input sections.
7457         (Orphan_output_section::set_section_addresses): Call current_data_size
7458         and addralign methods of relaxed input sections.
7459         * symtab.cc (Symbol_table::compute_final_value): Extract template
7460         from the body of Symbol_table::sized_finalize_symbol.
7461         (Symbol_table::sized_finalized_symbol): Call
7462         Symbol_table::compute_final_value.
7463         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7464         (Symbol_table::compute_final_value): New templated method declaration.
7465         * target.cc (Target::do_make_output_section): New method defintion.
7466         * target.h (Target::make_output_section): New method declaration.
7467         (Target::relax): Add more parameters for input objects, symbol table
7468         and layout.  Adjust call to do_relax.
7469         (Target::do_make_output_section): New method declaration.
7470         (Target::do_relax): Add parameters for input objects, symbol table
7471         and layout.
7472
7473 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7474
7475         * pread.c: Include stdio.h.
7476
7477 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7478
7479         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7480         defined.
7481
7482 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7483
7484         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7485         Change read_shndx type to unsigned int.
7486         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7487         int.
7488         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7489         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7490         Change read_shndx type to unsigned int.
7491         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7492         int.
7493         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7494         * layout.cc (Layout::create_symtab_sections): Cast the result of
7495         local_symcount * symsize to off_t in the gold_assert.
7496
7497 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7498
7499         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7500         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7501         R_ARM_BASE_ABS.
7502         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7503         (Arm_relocate_functions::thm_abs5): New function.
7504         (Arm_relocate_functions::abs12): New function.
7505         (Arm_relocate_functions::abs16): New function.
7506         (Arm_relocate_functions::base_abs): New function.
7507         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7508         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7509         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7510         R_ARM_BASE_ABS.
7511         (Scan::global): Likewise.
7512         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7513         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7514         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7515         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7516         R_ARM_BASE_ABS.
7517
7518 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7519
7520         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7521         (Arm_relocate_functions::movt_prel): New function.
7522         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7523         (Arm_relocate_functions::thm_movt_prel): New function.
7524         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7525         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7526         (Scan::global, Relocate::relocate): Likewise.
7527         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7528
7529 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7530
7531         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7532         Incremental_checker.
7533         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7534         unsigned int.
7535         (class Incremental_inputs_header): New class.
7536         (Incremental_inputs_header_writer): Edit comment.
7537         (Incremental_inputs_entry): New class.
7538         (Incremental_inputs_entry_writer): Edit comment.
7539         (Sized_incremental_binary::do_find_incremental_inputs_section):
7540         Add *strtab_shndx parameter, fill it.
7541         (Sized_incremental_binary::do_check_inputs): New method.
7542         (Incremental_checker::can_incrementally_link_output_file): Use
7543         Sized_incremental_binary::check_inputs.
7544         (Incremental_inputs::report_command_line): Save command line in
7545         command_line_.
7546         * incremental.h:
7547         (Incremental_binary::find_incremental_inputs_section): New
7548         method.
7549         (Incremental_binary::do_find_incremental_inputs_section): Add
7550         strtab_shndx parameter.
7551         (Incremental_binary::do_check_inputs): New pure virtual method.
7552         (Sized_incremental_binary::do_check_inputs): Declare.
7553         (Incremental_checker::Incremental_checker): Add incremental_inputs
7554         parameter, use it to initialize incremental_inputs_.
7555         (Incremental_checker::incremental_inputs_): New field.
7556         (Incremental_checker::command_line): New method.
7557         (Incremental_checker::inputs): New method.
7558         (Incremental_checker::command_line_): New field.
7559
7560 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7561
7562         * incremental.cc: Include <cstdarg> and "target-select.h".
7563         (vexplain_no_incremental): New function.
7564         (explain_no_incremental): New function.
7565         (Incremental_binary::error): New method.
7566         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7567         method.
7568         (make_sized_incremental_binary): New function.
7569         (open_incremental_binary): New function.
7570         (can_incrementally_link_file): Add checks if output is ELF and has
7571         inputs section.
7572         * incremental.h: Include "elfcpp_file.h" and "output.h".
7573         (Incremental_binary): New class.
7574         (Sized_incremental_binary): New class.
7575         (open_incremental_binary): Declare.
7576         * object.cc (is_elf_object): Use
7577         elfcpp::Elf_recognizer::is_elf_file.
7578         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7579         * output.h (Output_file::filesize): New method.
7580
7581 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7582
7583         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7584         New function.
7585         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7586         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7587         function.
7588         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7589         function.
7590         (Arm_relocate_functions::movw_abs_nc): New function.
7591         (Arm_relocate_functions::movt_abs): New function.
7592         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7593         (Arm_relocate_functions::thm_movt_abs): New function.
7594         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7595         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7596         (Scan::global): Likewise.
7597         (Relocate::relocate): Likewise.
7598         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7599
7600 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7601
7602         * arm.cc (Arm_relocate_functions::got_prel) New function.
7603         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7604         (Relocate::relocate): Likewise.
7605         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7606
7607 2009-10-06  Ian Lance Taylor  <iant@google.com>
7608
7609         * options.h (class General_options): Define
7610         split_stack_adjust_size parameter.
7611         * object.h (class Object): Add uses_split_stack_ and
7612         has_no_split_stack_ fields.  Add uses_split_stack and
7613         has_no_split_stack accessor functions.  Declare
7614         handle_split_stack_section.
7615         (class Reloc_symbol_changes): Define.
7616         (class Sized_relobj): Define Function_offsets.  Declare
7617         split_stack_adjust, split_stack_adjust_reltype, and
7618         find_functions.
7619         * object.cc (Object::handle_split_stack_section): New function.
7620         (Sized_relobj::do_layout): Call handle_split_stack_section.
7621         * dynobj.cc (Sized_dynobj::do_layout): Call
7622         handle_split_stack_section.
7623         * reloc.cc (Sized_relobj::relocate_sections): Call
7624         split_stack_adjust for executable sections in split_stack
7625         objects.  Pass reloc_map to relocate_section.
7626         (Sized_relobj::split_stack_adjust): New function.
7627         (Sized_relobj::split_stack_adjust_reltype): New function.
7628         (Sized_relobj::find_functions): New function.
7629         * target-reloc.h: Include "object.h".
7630         (relocate_section): Add reloc_symbol_changes parameter.  Change
7631         all callers.
7632         * target.h (class Target): Add calls_non_split method.  Declare
7633         do_calls_non_split virtual method.  Declare match_view and
7634         set_view_to_nop.
7635         * target.cc: Include "elfcpp.h".
7636         (Target::do_calls_non_split): New function.
7637         (Target::match_view): New function.
7638         (Target::set_view_to_nop): New function.
7639         * gold.cc (queue_middle_tasks): Give an error if mixing
7640         split-stack and non-split-stack objects with -r.
7641         * i386.cc (Target_i386::relocate_section): Add
7642         reloc_symbol_changes parameter.
7643         (Target_i386::do_calls_non_split): New function.
7644         * x86_64.cc (Target_x86_64::relocate_section): Add
7645         reloc_symbol_changes parameter.
7646         (Target_x86_64::do_calls_non_split): New function.
7647         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7648         parameter.
7649         * powerpc.cc (Target_powerpc::relocate_section): Add
7650         reloc_symbol_changes parameter.
7651         * sparc.cc (Target_sparc::relocate_section): Add
7652         reloc_symbol_changes parameter.
7653         * configure.ac: Call AM_CONDITIONAL for the default target.
7654         * configure: Rebuild.
7655         * testsuite/Makefile.am (TEST_AS): New variable.
7656         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
7657         (check_DATA): Add split_i386 and split_x86_64 files.
7658         (SPLIT_DEFSYMS): Define.
7659         (split_i386_[1234n].o): New targets.
7660         (split_i386_[124]): New targets.
7661         (split_i386_[1234r].stdout): New targets.
7662         (split_x86_64_[1234n].o): New targets.
7663         (split_x86_64_[124]): New targets.
7664         (split_x86_64_[1234r].stdout): New targets.
7665         (MOSTLYCLEANFILES): Add new executables.
7666         * testsuite/split_i386.sh: New file.
7667         * testsuite/split_x86_64.sh: New file.
7668         * testsuite/split_i386_1.s: New file.
7669         * testsuite/split_i386_2.s: New file.
7670         * testsuite/split_i386_3.s: New file.
7671         * testsuite/split_i386_4.s: New file.
7672         * testsuite/split_i386_n.s: New file.
7673         * testsuite/split_x86_64_1.s: New file.
7674         * testsuite/split_x86_64_2.s: New file.
7675         * testsuite/split_x86_64_3.s: New file.
7676         * testsuite/split_x86_64_4.s: New file.
7677         * testsuite/split_x86_64_n.s: New file.
7678         * testsuite/testfile.cc (Target_test): Update relocation_section
7679         function.
7680         * testsuite/Makefile.in: Rebuild.
7681
7682 2009-10-06  Ian Lance Taylor  <iant@google.com>
7683
7684         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
7685         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
7686         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
7687         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
7688         the address on ldo_addrs_.
7689         (Target_i386::Relocate::fix_up_ldo): New function.
7690
7691 2009-10-06   Rafael Espindola  <espindola@google.com>
7692
7693         * plugin.cc (add_input_library): New.
7694         (Plugin::load): Add add_input_library to tv.
7695         (Plugin_manager::add_input_file): Add the is_lib argument.
7696         (add_input_file): Update call to Plugin_manager::add_input_file.
7697         (add_input_library): New.
7698         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
7699
7700 2009-09-30  Doug Kwan  <dougkwan@google.com>
7701
7702         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
7703         symbol and call Symbol::may_need_copy_reloc to determine if
7704         a copy reloc is needed.
7705         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
7706         nocopyreloc is given in command line.
7707         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
7708         given in command line.
7709         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
7710         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
7711         of the removed Target_i386::may_need_copy_reloc.
7712         * options.h (copyreloc): New option with default value false.
7713         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7714         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
7715         instead of the removed Target_powerpc::may_need_copy_reloc.
7716         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7717         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
7718         instead of the removed Target_sparc::may_need_copy_reloc.
7719         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
7720         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
7721         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
7722         instead of the removed Target_x86_64::may_need_copy_reloc.
7723
7724 2009-09-30  Ian Lance Taylor  <iant@google.com>
7725
7726         * object.h (class Object): Remove target_ field, and target,
7727         sized_target, and set_target methods.
7728         (Object::sized_target): Remove.
7729         (class Sized_relobj): Update declarations.  Remove sized_target.
7730         * object.cc (Sized_relobj::setup): Remove target parameter.
7731         Change all callers.
7732         (Input_objects::add_object): Don't do anything with the target.
7733         (make_elf_sized_object): Add punconfigured parameter.  Change all
7734         callers.  Set or test parameter target.
7735         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
7736         Change all callers.
7737         * parameters.cc (Parameters::set_target): Change parameter type to
7738         be non-const.
7739         (Parameters::default_target): Remove.
7740         (set_parameters_target): Change parameter type to be non-const.
7741         (parameters_force_valid_target): New function.
7742         (parameters_clear_target): New function.
7743         * parameters.h (class Parameters): Update declarations.  Remove
7744         default_target method.  Add sized_target and clear_target
7745         methods.  Change target_ to be non-const.
7746         (set_parameters_target): Update declaration.
7747         (parameters_force_valid_target): Declare.
7748         (parameters_clear_target): Declare.
7749         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
7750         as NULL if we aren't searching.
7751         (Add_symbols::run): Don't check for compatible target.
7752         * fileread.cc (Input_file::open_binary): Call
7753         parameters_force_valid_target.
7754         * gold.cc (queue_middle_tasks): Likewise.
7755         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
7756         set_target on object.
7757         * dynobj.h (class Sized_dynobj): Update declarations.
7758         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
7759         make_elf_object returns NULL.
7760         (Archive::include_member): Don't check whether object target is
7761         compatible.
7762         * output.cc (Output_section::add_input_section): Get target from
7763         parameters.
7764         (Output_section::relax_input_section): Likewise.
7765         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
7766         parameters.
7767         (Sized_relobj::do_scan_relocs): Likewise.
7768         (Sized_relobj::relocate_sections): Likewise.
7769         * resolve.cc (Symbol_table::resolve): Likewise.
7770         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
7771         parameter.  Change all callers.
7772         (Symbol_table::add_from_object): Get target from parameters.
7773         (Symbol_table::add_from_relobj): Don't check object target.
7774         (Symbol_table::add_from_dynobj): Likewise.
7775         (Symbol_table::define_special_symbol): Get target from
7776         parameters.
7777         * symtab.h (class Symbol_table): Update declaration.
7778         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
7779         parameter.  Change all callers.  Clear parameter target.
7780         (Binary_test): Test target here.
7781         * testsuite/object_unittest.cc (gold_testsuite): Remove
7782         target_test_pointer parameter.  Change all callers.
7783         (Object_test): Test target here.
7784
7785 2009-09-26  Ian Lance Taylor  <iant@google.com>
7786
7787         * testsuite/initpri1.c: Don't try to use constructor priorities if
7788         compiling with gcc before 4.3.
7789
7790 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
7791
7792         * testsuite/retain_symbols_file_test.sh (check_present): Change
7793         output file name to retain_symbols_file_test.stdout.
7794         (check_absent): Likewise.
7795
7796 2009-09-18  Craig Silverstein  <csilvers@google.com>
7797
7798         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
7799         * options.cc: Include <cerrno> and <fstream>.
7800         (General_options::finalize): Parse -retain-symbols-file tag.
7801         * options.h: New flag.
7802         (General_options): New method should_retain_symbol, new
7803         variable symbols_to_retain.
7804         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
7805         should_retain_symbol map.
7806         * testsuite/Makefile.am (retain_symbols_file_test): New test.
7807         * testsuite/Makefile.in: Regenerate.
7808         * testsuite/retain_symbols_file_test.sh: New file.
7809
7810 2009-09-18  Nick Clifton  <nickc@redhat.com>
7811
7812         * po/es.po: Updated Spanish translation.
7813
7814 2009-09-17  Doug Kwan  <dougkwan@google.com>
7815
7816         * debug.h (DEBUG_RELAXATION): New constant.
7817         (DEBUG_ALL): Add DEBUG_RELAXATION.
7818         (debug_string_to_enum): Add relaxation debug option.
7819         * layout.cc
7820         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
7821         Layout::Relaxation_debug_check::read_sections,
7822         Layout::Relaxation_debug_check::read_sections): New method definitions.
7823         (Layout::Layout): Initialize data members
7824         record_output_section_data_from_scrips_,
7825         script_output_section_data_list_ and relaxation_debug_check_.
7826         (Layout::save_segments, Layout::restore_segments,
7827         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7828         Layout::relaxation_loop_body): New method definitions.
7829         (Layout::finalize): Support relaxation.  Move section layout code to
7830         Layout::relaxation_loop_body.
7831         (Layout::set_asection_address_from_script): Move code for orphan
7832         section placement out.
7833         (Layout::place_orphan_sections_in_script): New method definition.
7834         * layout.h (Output_segment_headers, Output_file_header):
7835         New forward class declarations.
7836         (Layout::~Layout): Define.
7837         (Layout::new_output_section_data_from_script): New method definition.
7838         (Layout::place_orphan_sections_in_script): New method declaration.
7839         (Layout::Segment_states): New type declaration.
7840         (Layout::save_segments, Layout::restore_segments,
7841         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7842         Layout::relaxation_loop_body): New method declarations.
7843         (Layout::Output_section_data_list): New type declaration.
7844         (Layout::Relaxation_debug_check): New class definition.
7845         (Layout::record_output_section_data_from_script_,
7846         Layout::script_output_section_data_list_, Layout::segment_states_,
7847         Layout::relaxation_debug_check_): New data members.
7848         * output.cc: (Output_section_headers::do_size): New method definition.
7849         (Output_section_headers::Output_section_headers): Move size
7850         computation to Output_section_headers::do_size.
7851         (Output_segment_headers::do_size): New method definition.
7852         (Output_file_header::Output_file_header): Move size computation to
7853         Output_file_header::do_size and call it.
7854         (Output_file_header::do_size): New method definition.
7855         (Output_data_group::Output_data_group): Adjust call to
7856         Output_section_data.
7857         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
7858         (Output_symtab_xindex::do_write): Add array bound check.
7859         (Output_section::Input_section::print_to_mapfile): Handle
7860         RELAXED_INPUT_SECTION_CODE.
7861         (Output_section::Output_section): Initialize data member checkpoint_.
7862         (Output_section::~Output_section): Delete checkpoint object pointed
7863         by checkpoint_.
7864         (Output_section::add_input_section): Always add an Input_section if
7865         relaxing.
7866         (Output_section::add_merge_input_section): Add assert.
7867         (Output_section::relax_input_section): New method definition.
7868         (Output_section::set_final_data_size): Set load address to zero for
7869         an unallocated section.
7870         (Output_section::do_address_and_file_offset_have_reset_values):
7871         New method definition.
7872         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
7873         Handle relaxed input section.
7874         (Output_section::sort_attached_input_sections): Checkpoint input
7875         section list lazily.
7876         (Output_section::get_input_sections): Change type of input_sections to
7877         list of Simple_input_section pointers.  Checkpoint input section list
7878         lazily.  Also handle relaxed input sections.
7879         (Output_section::add_input_section_for_script): Take a reference to
7880         a Simple_input_section object instead of Relobj pointer and section
7881         index as parameter.  Handle relaxed input sections.
7882         (Output_section::save_states, Output_section::restore_states): New
7883         method definitions.
7884         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
7885         (Output_data::is_data_size_fixed): New method definition.
7886         (Output_data::reset_addresss_and_file_offset): Do not reset data size
7887         if it is fixed.
7888         (Output_data::address_and_file_offset_have_reset_values): New method
7889         definition.
7890         (Output_data::do_address_and_file_offset_have_reset_values): New method
7891         definition.
7892         (Output_data::set_data_size): Check that data size is not fixed.
7893         (Output_data::fix_data_size): New method definition.
7894         (Output_data::is_data_size_fixed_): New data member.
7895         (Output_section_headers::set_final_data_size): New method definition.
7896         (Output_section_headers::do_size): New method declaration.
7897         (Output_segment_headers::set_final_data_size): New method definition.
7898         (Output_segment_headers::do_size): New method declaration.
7899         (Output_file_header::set_final_data_size)::New method definition.
7900         (Output_file_header::do_size)::New method declaration.
7901         (Output_section_data::Output_section_data): Add new parameter
7902         is_data_size_fixed and use it to fix data size.
7903         (Output_data_const::Output_data_const): Adjust call to base class
7904         constructor and fix data size.
7905         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
7906         base class constructor and fix data size.
7907         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
7908         base class constructor and fix data size.
7909         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
7910         class constructor and fix data size.
7911         (Output_data_group::set_final_data_size): New method definition.
7912         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
7913         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
7914         class constructor and fix data size.
7915         (Output_relaxed_input_section): New class definition.
7916         (Output_section::Simple_input_section): New class definition.
7917         (Output_section::get_input_sections): Adjust parameter list.
7918         (Output_section::add_input_section_for_script): Same.
7919         (Output_section::save_states, Output_section::restore_states,
7920         Output_section::do_address_and_file_offset_have_reset_values,
7921         (Output_section::Input_section::Input_section): Handle
7922         RELAXED_INPUT_SECTION_CODE.  Add new overload for
7923         Output_relaxed_input_section.
7924         (Output_section::Input_section::is_input_section,
7925         Output_section::Input_section::set_output_section): Handle relaxed
7926         input section.
7927         (Output_section::Input_section::is_relaxed_input_section,
7928         Output_section::Input_section::output_section_data,
7929         Output_section::Input_section::relaxed_input_section): New method
7930         definitions.
7931         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
7932         value.
7933         (Output_section::Input_section::u1_): Update comments.
7934         (Output_section::Input_section::u2_): Add new union member poris.
7935         (Output_section::Checkpoint_output_section): New classs definition.
7936         (Output_section::relax_input_section): New method declaration.
7937         (Output_section::checkpoint_): New data member.
7938         (Output_segment): Update comments.
7939         (Output_segment::Output_segment): Un-privatize copy constructor.
7940         (Output_segment::operator=): Un-privatize.
7941         * script-sections.cc (Output_section_element::Input_section_list):
7942         Change element type to Output_section::Simple_input_section.
7943         (Output_section_element_dot_assignment::set_section_addresses):
7944         Register output section data for relaxation clean up.
7945         (Output_data_exression::Output_data_expression): Adjust call to base
7946         constructor to fix data size.
7947         (Output_section_element_data::set_section_addresses): Register
7948         Output_data_expression object for relaxation clean up.
7949         (struct Input_section_info): Replace Relobj pointer and section index
7950         pair with Output_section::Simple_input_section and Convert struct to a
7951         class.
7952         (Input_section_sorter::operator()): Adjust access to
7953         Input_section_info data member to use accessors.
7954         (Output_section_element_input::set_section_addresses): Use layout
7955         parameter.  Adjust code to use Output_section::Simple_input_section
7956         and Input_secction_info classes.  Register filler for relaxation
7957         clean up.
7958         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
7959         and section index pair with Output_section::Simple_input_section
7960         class.  Adjust code accordingly.
7961         (Phdrs_element::release_segment): New method definition.
7962         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
7963         segment list.
7964         (Script_sections::release_segments): New method definition.
7965         * gold/script-sections.h (Script_sections::release_segments): New
7966         method declaration.
7967         * gold/target.h (Target::may_relax, Target::relax,
7968         Target::do_may_relax, Target::do_relax): New method definitions.
7969
7970 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7971
7972         * arm.cc (has_signed_unsigned_overflow): New function.
7973         (Arm_relocate_functions::abs8): New function.
7974         (Target_arm::Scan::local): Handle R_ARM_ABS8.
7975         (Target_arm::Scan::global): Likewise.
7976         (Target_arm::relocate::relocate): Likewise.
7977         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7978         Likewise.
7979
7980 2009-09-16  Cary Coutant  <ccoutant@google.com>
7981
7982         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
7983         * testsuite/Makefile.in: Regenerate.
7984
7985 2009-09-11  Nick Clifton  <nickc@redhat.com>
7986
7987         * po/gold.pot: Updated by the Translation project.
7988
7989 2009-09-08  Cary Coutant  <ccoutant@google.com>
7990
7991         * output.cc (Output_file::open): Add execute permission to empty file.
7992         * testsuite/Makefile.am (permission_test): New test.
7993         * testsuite/Makefile.in: Regenerate.
7994
7995 2009-09-02  Ian Lance Taylor  <iant@google.com>
7996
7997         * output.cc (Output_file::resize): Call map_no_anonymous rather
7998         than map.
7999
8000 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8001
8002         * gold.cc: Include "incremental.h".
8003         (queue_initial_tasks): Call Incremental_checker methods.
8004         * incremental.cc: Include "output.h".
8005         (Incremental_checker::can_incrementally_link_output_file): New
8006         method.
8007         * incremental.h (Incremental_checker): New class.
8008
8009         * output.cc (Output_file::open_for_modification): New method.
8010         (Output_file::map_anonymous): Changed return type to bool.  Record
8011         map in base_ field.
8012         (Output_file::map_no_anonymous): New method, broken out of map.
8013         (Output_file::map): Use map_no_anonymous and map_anonymous.
8014         * output.h (class Output_file): Update declarations.
8015
8016 2009-08-24  Cary Coutant  <ccoutant@google.com>
8017
8018         * options.h (Command_line::Pre_options): New class.
8019         (Command_line::pre_options): New member.
8020         * options.cc (gold::options::ready_to_register): New variable.
8021         (One_option::register_option): Do nothing if not registering options.
8022         Assert if same short option registered twice.
8023         (General_options::General_options): Turn off option registration when
8024         done constructing.
8025         (Command_line::Pre_options::Pre_options): New constructor.
8026
8027 2009-08-24  Cary Coutant  <ccoutant@google.com>
8028
8029         * options.h (General_options::no_keep_memory): Remove incorrect
8030         short option.
8031
8032 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8033
8034         * Makefile.am (am__skiplex, am__skipyacc): New.
8035         * Makefile.in: Regenerate.
8036
8037 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8038
8039         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8040         (INCLUDES): ... this.
8041         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8042         (AM_CPPFLAGS): Renamed from ...
8043         (INCLUDE): ... this.
8044         * Makefile.in, testsuite/Makefile.in: Regenerate.
8045
8046         * Makefile.in: Regenerate.
8047         * aclocal.m4: Likewise.
8048         * config.in: Likewise.
8049         * configure: Likewise.
8050         * testsuite/Makefile.in: Likewise.
8051
8052         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8053         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8054         * Makefile.in: Regenerate.
8055         * testsuite/Makefile.in: Regenerate.
8056
8057 2009-08-19  Cary Coutant  <ccoutant@google.com>
8058
8059         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8060         symbols in shared libraries overridden by hidden or internal symbols
8061         in the main program.
8062
8063 2009-08-19  Chris Demetriou  <cgd@google.com>
8064
8065         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8066         checking source file names in error messages.
8067
8068 2009-08-18  Doug Kwan  <dougkwan@google.com>
8069
8070         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8071         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8072         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8073         an elfcpp::Ehdr as parameter.
8074         * object.cc (Object::set_target): Remove the version that looks up
8075         a target and sets it.
8076         (Sized_relobj::setup): Take a Target object instead of
8077         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8078         (make_elf_sized_object): Find target and ask target to
8079         make an ELF object.
8080         * object.h: (Object::set_target): Remove the version that looks up
8081         a target and sets it.
8082         (Sized_relobj::setup): Take a Target object instead of
8083         an elfcpp:Ehdr as parameter.
8084         * target.cc: Include dynobj.h.
8085         (Target::do_make_elf_object_implementation): New.
8086         (Target::do_make_elf_object): New.
8087         * target.h (Target::make_elf_object): New template declaration.
8088         (Target::do_make_elf_object): New method declarations.
8089         (Target::do_make_elf_object_implementation): New template declaration.
8090
8091 2009-08-14  Ian Lance Taylor  <iant@google.com>
8092
8093         * gold.h (FUNCTION_NAME): Define.
8094         (gold_unreachable): Use FUNCTION_NAME.
8095
8096 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8097
8098         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8099         symbol in the --keep-unique list is not found.
8100
8101 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8102
8103         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8104         been maked as --keep-unique.
8105         (Icf::unfold_section): New function.
8106         * icf.h (Icf::unfold_section): New function.
8107         * options.h (General_options::keep_unique): New option.
8108         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8109         * testsuite/Makefile.in: Regenerate.
8110         * testsuite/icf_keep_unique_test.sh: New file.
8111         * testsuite/icf_keep_unique_test.cc: New file.
8112
8113 2009-08-12  Cary Coutant  <ccoutant@google.com>
8114
8115         PR 10471
8116         * resolve.cc (Symbol_table::resolve): Check for references from
8117         dynamic objects to hidden and internal symbols.
8118         * testsuite/Makefile.am (hidden_test.sh): New test.
8119         * testsuite/Makefile.in: Regenerate.
8120         * testsuite/hidden_test.sh: New script.
8121         * testsuite/hidden_test_1.c: New test source.
8122         * testsuite/hidden_test_main.c: New test source.
8123
8124 2009-08-11  Doug Kwan  <dougkwan@google.com>
8125
8126         * arm.cc: Update comments.
8127         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8128         segment to locate the .ARM.exidx section if present.
8129
8130 2009-08-09  Doug Kwan  <dougkwan@google.com>
8131
8132         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8133         patch.
8134
8135 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8136         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8137         compiler warnings.
8138
8139 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8140
8141         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8142         valid tls_segment only for non-debug-section relocations.
8143         * testsuite/Makefile.am: Add gc_tls_test.
8144         * testsuite/Makefile.in: Regenerate.
8145         * testsuite/gc_tls_test.cc: New file.
8146         * testsuite/gc_tls_test.sh: New file.
8147
8148 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8149
8150         * icf.cc: New file.
8151         * icf.h: New file.
8152         * Makefile.am (CCFILES): Add icf.cc.
8153         (HFILES): Add icf.h
8154         * Makefile.in: Regenerate.
8155         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8156         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8157         section, symbol and addend information for the relocs.
8158         * gold.cc (queue_middle_tasks): Call identical code folding.
8159         * gold.h: Add defines for multimap.
8160         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8161         to the call of finalize_local_symbols.
8162         * main.cc (main): Create object of class Icf.
8163         * object.cc (Sized_relobj::do_layout): Allow this function to be
8164         called twice during icf.
8165         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8166         to sections marked as identical by icf.
8167         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8168         when available.
8169         (Sized_relobj::do_section_entsize): New function.
8170         * object.h (Object::section_entsize): New function.
8171         (Object::do_section_entsize): New pure virtual function.
8172         (Relobj::finalize_local_symbols): Add new parameter.
8173         (Relobj::do_section_entsize): New function.
8174         * options.h (General_options::icf): New option.
8175         (General_options::icf_iterations): New option.
8176         (General_options::print_icf_sections): New option.
8177         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8178         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8179         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8180         icf.
8181         * symtab.cc (Symbol_table::is_section_folded): New function.
8182         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8183         to sections marked as identical by icf.
8184         * symtab.h (Symbol_table::set_icf): New function.
8185         (Symbol_table::icf): New function.
8186         (Symbol_table::is_section_folded): New function.
8187         (Symbol_table::icf_): New data member.
8188         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8189         * testsuite/Makefile.am: Add commands to build icf_test.
8190         * testsuite/Makefile.in: Regenerate.
8191         * testsuite/icf_test.sh: New file.
8192         * testsuite/icf_test.cc: New file.
8193
8194 2009-07-24  Chris Demetriou  <cgd@google.com>
8195
8196         * layout.cc (is_compressible_debug_section): Fix incorrect
8197         comment about compressed section names.
8198
8199 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8200
8201         PR 10419
8202         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8203
8204 2009-07-16  Ian Lance Taylor  <iant@google.com>
8205
8206         PR 10400
8207         * layout.h: #include <map>.
8208         (class Kept_section): Change from struct to class.  Add accessors
8209         and setters.  Add section size to Comdat_group mapping.  Change
8210         Comdat_group to std::map.  Add is_comdat_ field.  Add
8211         linkonce_size field in union.
8212         (class Layout): Update declaration of find_or_add_kept_section.
8213         Don't declare find_kept_object.
8214         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8215         parameter.  Add object, shndx, is_comdat, and is_group_name
8216         parameters.  Change all callers.  Adjust for new Kept_section.
8217         (Layout::find_kept_object): Remove.
8218         * object.cc (Sized_relobj::include_section_group): Update use of
8219         Kept_section.  Rename secnum to shndx.  Only record
8220         Kept_comdat_section if sections are the same size.
8221         (Sized_relobj::include_linkonce_section): Update use of
8222         Kept_section.  Only record Kept_comdat_section if sections are the
8223         same size.  Set size of linkonce section.
8224         (Sized_relobj::map_to_kept_section): Update call to
8225         get_kept_comdat_section.
8226         * object.h (class Sized_relobj): Rename fields in
8227         Kept_comdat_section to drop trailing underscores; change object
8228         field to Relobj*.  Change Kept_comdat_section_table to store
8229         struct rather than pointer.
8230         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8231         Add kept_object and kept_shndx parameters.  Change all callers.
8232         (Sized_relobj::get_kept_comdat_section): Change return type to
8233         bool.  Add kept_object and kept_shndx parameters.  Change all
8234         callers.
8235         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8236         Layout::find_or_add_kept_section.
8237
8238 2009-07-09  Ian Lance Taylor  <iant@google.com>
8239
8240         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8241         Reserve space in the hash table.
8242
8243 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8244
8245         * fileread.cc (File_read::get_mtime): New method.
8246         * fileread.h (Timespec): New structure.
8247         (File_read::get_mtime): New method.
8248         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8249         Renamed from timestamp_nsec.
8250         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8251         Elf_Xword.
8252         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8253         timestamp_nsec.
8254         (Incremental_inputs::report_archive): Save mtime; style fix.
8255         (Incremental_inputs::report_obejct): Save mtime; style fix.
8256         (Incremental_inputs::report_script): Save mtime; style fix.
8257         (Incremental_inputs::finalize_inputs): Style fix.
8258         (Incremental_inputs::finalize): Style fix.
8259         (Incremental_inputs::create_input_section_data): Store inputs
8260         mtime.
8261         * incremental.h (Incremental_inputs::report_script): Add mtime
8262         argument.
8263         (Incremental_inputs::Input_info::Input_info): Intialize only one
8264         union member.
8265         (Incremental_inputs::Input_info::archive): Move to nameless
8266         union.
8267         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8268         (Incremental_inputs::Input_info::script): Move to nameless union.
8269         (Incremental_inputs::mtime): New field.
8270         * script.cc (read_input_script): Pass file mtime to
8271         Incremental_input.
8272         * script.h (Script_info::inputs): Style fix.
8273
8274 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8275
8276         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8277         instead of 32.
8278
8279 2009-06-24  Ian Lance Taylor  <iant@google.com>
8280
8281         PR 10156
8282         * layout.cc (Layout::choose_output_section): If we find an
8283         existing section, update the flags.
8284         (Layout::create_notes): New function, broken out of
8285         Layout::finalize.
8286         (Layout::finalize): Don't create note sections.
8287         (Layout::create_note): Don't crash if linker script discards
8288         section.
8289         (Layout::create_gold_note): Likewise.
8290         (Layout::create_build_id): Likewise.  Don't set
8291         after_input_sections on the section.
8292         (Layout::create_executable_stack_info): Remove target parameter.
8293         Change caller.
8294         * layout.h (class Layout): Declare create_notes.  Update
8295         declaration of create_executable_stack_info.
8296         * gold.cc (queue_middle_tasks): Call create_notes.
8297         * output.cc (Output_section::update_flags_for_input_section): Move
8298         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8299         invalid.
8300         * output.h (Output_data::mark_address_invalid): New function.
8301         (class Output_section): Only declare, not define,
8302         update_flags_for_input_section.  Remove set_flags.
8303
8304 2009-06-24  Ian Lance Taylor  <iant@google.com>
8305
8306         * script-sections.cc (Output_section_definition::
8307         set_section_addresses): Rename shadowing local load_address to
8308         laddr.
8309
8310 2009-06-24  Ian Lance Taylor  <iant@google.com>
8311
8312         PR 10244
8313         * reloc.cc (relocate_sections): Skip empty relocation sections.
8314
8315 2009-06-23  Ian Lance Taylor  <iant@google.com>
8316
8317         PR 10156
8318         * layout.cc (Layout::create_note): Use choose_output_section
8319         rather than make_output_section.
8320
8321 2009-06-23  Ian Lance Taylor  <iant@google.com>
8322
8323         PR 10237
8324         * options.cc (General_options::parse_V): Set printed_version_.
8325         (General_options::General_options): Initialize printed_version_.
8326         * options.h (class General_options): Add printed_version_ field.
8327         * gold.cc (queue_initial_tasks): If there are no input files,
8328         don't give a fatal error if we printed the version information.
8329         (queue_middle_tasks): If using -r with a shared object, give a
8330         fatal error rather than an ordinary error.
8331
8332 2009-06-23  Ian Lance Taylor  <iant@google.com>
8333
8334         PR 10219
8335         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8336         (Layout::make_output_section): Set have_stabstr_section_ if we see
8337         a .stab*str section.
8338         (Layout::finalize): Call link_stabs_sections.
8339         (Layout::link_stabs_sections): New file.
8340         * layout.h (class Layout): Add have_stabstr_section_ field.
8341         Declare link_stabs_sections.
8342
8343 2009-06-23  Doug Kwan  <dougkwan@google.com>
8344
8345         * Makefile.am (libgold_a_LIBADD): New.
8346         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8347         * Makefile.in: Regenerate.
8348         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8349         * configure: Regenerate.
8350         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8351         * fileread.cc: Include sys/state.h
8352         * gold.h: Declare memmem and strndup if found missing.
8353         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8354
8355 2009-06-23  Ian Lance Taylor  <iant@google.com>
8356
8357         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8358         * configure: Rebuild.
8359
8360 2009-06-23  Ian Lance Taylor  <iant@google.com>
8361
8362         PR 10147
8363         * object.cc (Object::section_contents): Don't try to get a view if
8364         the section has length zero.
8365         (Object::handle_gnu_warning_section): If the section is empty, use
8366         the name of the section as the warning.
8367
8368 2009-06-23  Ian Lance Taylor  <iant@google.com>
8369
8370         PR 10133
8371         * stringpool.h (class Stringpool_template): Add optimize_ field.
8372         (Stringpool_template::set_optimize): New function.
8373         * stringpool.cc (Stringpool_template::Stringpool_template):
8374         Initialize optimize_ field.
8375         (Stringpool_template::set_string_offsets): Test local optimize
8376         fild rather than parameter.
8377         * layout.cc (Layout::Layout): Call set_optimize on the section
8378         name stringpool.
8379
8380 2009-06-22  Ian Lance Taylor  <iant@google.com>
8381
8382         PR 10030
8383         * yyscript.y: Parse TARGET.
8384         * script.cc (script_set_target): New function.
8385         * script-c.h (script_set_target): Declare.
8386         * options.cc (General_options::string_to_object_format): Rename
8387         from string_to_object_format in anonymous namespace.  Change
8388         callers.
8389         * options.h (class General_options): Declare
8390         string_to_object_format.
8391
8392 2009-06-22  Ian Lance Taylor  <iant@google.com>
8393
8394         * script-sections.cc (Script_sections::create_segments): Don't put
8395         program headers in a PT_LOAD segment if -n or -N.
8396
8397 2009-06-22  Ian Lance Taylor  <iant@google.com>
8398
8399         PR 10141
8400         * options.h (class General_options): Add -z lazy and -z now.  Sort
8401         -z options into alphabetical order.
8402         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8403
8404 2009-06-21  Ian Lance Taylor  <iant@google.com>
8405
8406         * layout.cc (Layout::make_output_section): Call
8407         Target::new_output_section.
8408         (Layout::attach_allocated_section_to_segment): Put large section
8409         sections in a separate load segment with the large segment flag
8410         set.
8411         (Layout::segment_precedes): Sort large data segments after other
8412         load segments.
8413         (align_file_offset): New static function.
8414         (Layout::set_segment_offsets): Use align_file_offset.
8415         * output.h (class Output_section): Add is_small_section_ and
8416         is_large_section_ fields.
8417         (Output_section::is_small_section): New function.
8418         (Output_section::set_is_small_section):  New function.
8419         (Output_section::is_large_section): New function.
8420         (Output_section::set_is_large_section): New function.
8421         (Output_section::is_large_data_section): New function.
8422         (class Output_segment): Add is_large_data_segment_ field.
8423         (Output_segment::is_large_data_segment): New function.
8424         (Output_segment::set_is_large_data_segment): New function.
8425         * output.cc (Output_section::Output_section): Initialize new
8426         fields.
8427         (Output_segment::Output_segment): Likewise.
8428         (Output_segment::add_output_section): Add assertion that large
8429         data sections always go in large data segments.  Force small data
8430         sections to the end of the list of data sections.  Force small BSS
8431         sections to the start of the list of BSS sections.  For large BSS
8432         sections to the end of the list of BSS sections.
8433         * symtab.h (class Symbol): Declare is_common_shndx.
8434         (Symbol::is_defined): Check Symbol::is_common_shndx.
8435         (Symbol::is_common): Likewise.
8436         (class Symbol_table): Define enum Commons_section_type.  Update
8437         declarations.  Add small_commons_ and large_commons_ fields.
8438         * symtab.cc (Symbol::is_common_shndx): New function.
8439         (Symbol_table::Symbol_table): Initialize new fields.
8440         (Symbol_table::add_from_object): Put small and large common
8441         symbols in the right list.
8442         (Symbol_table::sized_finalized_symbol): Check
8443         Symbol::is_common_shndx.
8444         (Symbol_table::sized_write_globals): Likewise.
8445         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8446         common symbol lists.  Don't call do_allocate_commons_list if the
8447         list is empty.
8448         (Symbol_table::do_allocate_commons_list): Remove is_tls
8449         parameter.  Add comons_section_type parameter.  Change all
8450         callers.  Handle small and large common symbols.
8451         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8452         Symbol::is_common_shndx.
8453         * resolve.cc (symbol_to_bits): Likewise.
8454         * target.h (Target::small_common_shndx): New function.
8455         (Target::small_common_section_flags): New function.
8456         (Target::large_common_shndx): New function.
8457         (Target::large_common_section_flags): New function.
8458         (Target::new_output_section): New function.
8459         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8460         small_common_section_flags, and large_common_section_flags
8461         fields.
8462         (Target::do_new_output_section): New virtual function.
8463         * arm.cc (Target_arm::arm_info): Initialize new fields.
8464         * i386.cc (Target_i386::i386_info): Likewise.
8465         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8466         Likewise.
8467         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8468         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8469         (Target_x86_64::do_new_output_section): New function.
8470         * configure.ac: Define conditional MCMODEL_MEDIUM.
8471         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8472         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8473         (large_LDFLAGS): Define.
8474         * testsuite/large.c: New file.
8475         * testsuite/testfile.cc (Target_test::test_target_info):
8476         Initialize new fields.
8477         * configure, testsuite/Makefile.in: Rebuild.
8478
8479 2009-06-05  Doug Kwan  <dougkwan@google.com>
8480
8481         * Makefile.am (CCFILES): Add target.cc.
8482         * Makefile.in: Regenerate.
8483         * i386.cc (class Target_i386): Define new virtual method to
8484         override do_is_local_label_name in parent.
8485         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8486         local symbols if --discard-locals or -X is given.
8487         * options.h (class General_options): Declare new options
8488         '--discard-locals' and '-X' for discarding locals.
8489         * target.h (class Target): Define new methods is_local_label_name.
8490         Declare new virtual method do_is_local_label_name.
8491         * target.cc: New file.
8492         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8493         (check_SCRIPTS): Add discard_locals_test.sh.
8494         (check_DATA): Add discard_local_tests.syms.
8495         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8496         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8497         * testsuite/Makefile.in: Regenerate.
8498         * testsuite/discard_locals_test.c: New file.
8499         * testsuite/discard_locals_test.sh: Same.
8500
8501 2009-06-05  Doug Kwan  <dougkwan@google.com>
8502
8503         * object.cc (Sized_relobj::Sized_relobj): Initialize
8504         discarded_eh_frame_shndx_ to -1U.
8505         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8506         section.
8507         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8508         a discarded .eh_frame section.
8509         (Sized_relobj::do_finalize_local_symbols): Ditto.
8510         * object.h (class Sized_relobj): Declare new member
8511         discarded_eh_frame_shndx_.
8512         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8513         (local_labels_test.o, local_labels_test): New rules.
8514         * testsuite/Makefile.in: Regenerate.
8515
8516 2009-06-04  Doug Kwan  <dougkwan@google.com>
8517
8518         * layout.cc (Layout::section_name_mapping): Add mapping for
8519         special ARM sections.
8520
8521 2009-06-03  Doug Kwan  <dougkwan@google.com>
8522
8523         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8524         (utils::has_overflow): Same.
8525
8526 2009-06-03  Ian Lance Taylor  <iant@google.com>
8527
8528         * layout.cc (Layout::section_name_mapping): New array, replacing
8529         Layout::linkonce_mapping.
8530         (Layout::section_name_mapping_count): New variable, replacing
8531         Layout::linkonce_mapping_count.
8532         (Layout::linkonce_output_name): Remove.
8533         (Layout::output_section_name): Rewrite.
8534         * layout.h (class Layout): Rename Linkonce_mapping to
8535         Section_name_mapping, linkonce_mapping to section_name_mapping,
8536         linkonce_mapping_count to section_name_mapping_count.  Don't
8537         declare linkonce_output_name.
8538
8539 2009-06-03  Doug Kwan  <dougkwan@google.com>
8540
8541         * gold/arm.cc (namespace utils): New.
8542         (Target_arm::reloc_is_non_pic): Define new method.
8543         (class Arm_relocate_functions): New.
8544         (Target_arm::Relocate::relocate): Handle relocation types used by
8545         Android.
8546
8547 2009-06-03  Ian Lance Taylor  <iant@google.com>
8548
8549         * arm.cc (Target_arm::scan::global): Use || instead of |.
8550
8551 2009-06-02  Doug Kwan  <dougkwan@google.com>
8552
8553         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8554         issued_non_pic_error_.
8555         (class Target_arm::Scan): Declare new method check_non_pic.
8556         Define new method symbol_needs_plt_entry.
8557         Declare new data member issued_non_pic_error_.
8558         (class Target_arm::Relocate): Declare new method
8559         should_apply_static_reloc.
8560         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8561         (Target_arm::Scan::check_non_pic): Define new method.
8562         (Target_arm::Scan::local): Handle a small subset of reloc types used
8563         by Android.
8564         (Target_arm::Scan::local): Same.
8565         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8566
8567 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
8568
8569         * incremental.cc (Incremental_inputs::report_command_line): Filter
8570         out --incremental-* options.
8571
8572 2009-05-29  Doug Kwan  <dougkwan@google.com>
8573
8574         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8575         template class.
8576         (class Target_arm): Update comment.
8577         (Target_arm::Target_arm): Initialize new data members GOT_,
8578         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8579         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8580         and Target_arm::rel_dyn_section.
8581         Declare new_enum Target_arm::Got_type.
8582         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8583         and DYNBSS_.
8584         Update commments for member do_dynsym_value.
8585         (Target_arm::got_size, Target_arm::plt_section,
8586         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8587         new methods inside class defintion.
8588         (Target_arm::got_section): Define new method.
8589         (Target_arm::rel_dyn_section): Same.
8590         (Output_data_plt_arm): New template class.
8591         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8592         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8593         (Output_data_plt_arm::add_entry): Same.
8594         (Output_data_plt_arm::first_plt_entry): Define new
8595         static data member for PLT instruction template.
8596         (Output_data_plt_arm::plt_entry): Same.
8597         (Output_data_plt_arm::do_write): Define new method.
8598         (Target_arm::make_plt_entry): Same.
8599         (Target_arm::do_finalize_sections): Same.
8600         (Target_arm::do_dynsym_value): Same.
8601
8602 2009-05-28  Doug Kwan  <dougkwan@google.com>
8603
8604         * Makefile.am (TARGETSOURCES): Add arm.cc.
8605         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8606         * Makefile.in: Regenerate.
8607         * arm.cc: New file.
8608         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8609
8610 2009-05-26  Doug Kwan  <dougkwan@google.com>
8611
8612         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8613         (General_options::check_excluded_libs): Strip off directories in
8614         archive name before matching like GNU ld does.
8615         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8616         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8617         (exclude_libs_test_LDFLAGS): Add linker option
8618         -Wl,--exclude-libs,libexclude_libs_test_3
8619         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8620         an explicit archive without using -l.
8621         (alt/libexclude_libs_test_3.a): New make rule.
8622         * testsuite/Makefile.in: Regenerate.
8623         * testsuite/exclude_libs_test.c : Declare lib3_default().
8624         (main): Call it.
8625         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8626         * exclude_libs_test_3.c: New file.
8627
8628 2009-05-26  Nick Clifton  <nickc@redhat.com>
8629
8630         * po/id.po: New Indonesian translation.
8631         * po/gold.pot: Updated template file.
8632
8633 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
8634
8635         * testsuite/Makefile.am: Add -ffunction-sections to compile
8636         gc_comdat_test files.  Add -Wl,--gc-sections to build
8637         gc_comdat_test.
8638         * testsuite/Makefile.in: Regenerate.
8639         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8640
8641 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
8642
8643         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8644         kept comdat section was garbage collected.
8645         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8646         * testsuite/Makefile.in: Regenerate.
8647         * testsuite/gc_comdat_test.sh: New file.
8648         * testsuite/gc_comdat_test_1.cc: New file.
8649         * testsuite/gc_comdat_test_2.cc: New file.
8650
8651 2009-05-19  Doug Kwan  <dougkwan@google.com>
8652
8653         * archive.cc (Archive::Archive): Move constructor from archive.h
8654         to here.  Initialize no_export_.
8655         (Archive::get_elf_object_for_member): Set no_export flag of object.
8656         * archive.h (Archive::Archive): Move constructor body to
8657         archive.cc.
8658         (Archive::no_export): New method.
8659         (Archive::no_export_): New field.
8660         * object.h (Object::Object): Initialize no_export_ to false.
8661         (Object::no_export, Object::set_no_export): New methods.
8662         (Object::no_export_): New field.
8663         * options.cc (General_options::parse_exclude_libs): New method.
8664         (General_options::check_excluded_libs) Same.
8665         * options.h (exclude_libs): New option.
8666         (General_options::check_excluded_libs): New method declaration.
8667         (General_options::excluded_libs_): New field.
8668         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
8669         default or protected visibility if an object has no-export flag set.
8670         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
8671         (check_SCRIPTS): Add exclude_libs_test.sh.
8672         (check_DATA): Add exclude_libs_test.syms.
8673         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
8674         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
8675         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
8676         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
8677         (exclude_libs_test.syms, libexclude_libs_test_1.a,
8678         libexclude_libs_test_2.a): New rules.
8679         * testsuite/Makefile.in: Regenerate.
8680         * testsuite/exclude_libs_test.c: New file.
8681         * testsuite/exclude_libs_test.sh: Ditto.
8682         * testsuite/exclude_libs_test_1.c: Ditto.
8683         * testsuite/exclude_libs_test_2.c: Ditto.
8684
8685 2009-05-15  Ian Lance Taylor  <iant@google.com>
8686
8687         * configure.ac: Check for declarations for cases where libiberty.h
8688         checks HAVE_DECL_xxx.
8689         * configure, config.in: Rebuild.
8690
8691 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
8692
8693         * gold.h (Incremental_argument_list): Remove (invalid) forward
8694         declaration.
8695         * incremental.cc (Incremental_inputs::report_achive): New method.
8696         (Incremental_inputs::report_object): New method.
8697         (Incremental_inputs::report_script): New method.
8698         (Incremental_inputs::finalize_inputs): New method.
8699         (Incremental_inputs::finalize): Call finalize_inputs().
8700         (Incremental_inputs::sized_create_incremental_inputs_section_data):
8701         Create inputs entries.
8702         * incremental.h (Incremental_input_type): New enum.
8703         (Incremental_inputs::Incremental_input): Initialize new fields.
8704         (Incremental_inputs::report_inputs): New method.
8705         (Incremental_inputs::report_achive): New method.
8706         (Incremental_inputs::report_object): New method.
8707         (Incremental_inputs::report_script): New method.
8708         (Incremental_inputs::finalize_inputs): New method.
8709         (Incremental_inputs::Input_info): New struct.
8710         (Incremental_inputs::Input_info_map): New typedef.
8711         (Incremental_inputs::lock_): New field.
8712         (Incremental_inputs::Inputs_): New field.
8713         (Incremental_inputs::Inputs_map): New field.
8714         * main.cc (main): Call Incremental_input::report_inputs.
8715         * options.h (Input_argument_list): Typedef moved from
8716         Input_arguments.
8717         (Input_file_group::Files): Remove, use ::Input_argument_list.
8718         (Input_file_group::Input_argument_list): Remove, use
8719         ::Input_argument_list.
8720         * plugin.cc (Plugin_manager::add_input_file): Add error in
8721         incremental build.
8722         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
8723         functions.
8724         * script.cc (read_input_script): Call
8725         Incremental_input::report_script.
8726         * script.h (Script_info): New class.
8727
8728 2009-04-27  Ian Lance Taylor  <iant@google.com>
8729
8730         * x86_64.cc (do_adjust_output_section): Set entsize to
8731         plt_entry_size.
8732
8733 2009-04-23  Elliott Hughes  <enh@google.com>
8734
8735         * output.cc (Output_file::close): After short writes, continue
8736         writing from the correct offset in the buffer being written.
8737
8738 2009-04-23  Chris Demetriou  <cgd@google.com>
8739
8740         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
8741         * configure: Regenerate.
8742         * config.in: Regenerate.
8743         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
8744         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
8745
8746 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
8747
8748         * incremental.cc (Incremental_inputs_header_data): Renamed from
8749         Incremental_input_header_data.
8750         (Incremental_inputs_header_data::data_size): New field.
8751         (Incremental_inputs_header_data::put_input_file_count): Renamed
8752         from input_file_count.
8753         (Incremental_inputs_header_data::put_command_line_offset): Renamed
8754         from command_line_offset.
8755         (Incremental_inputs_header_data::put_reserved): Renamed from
8756         put_reserved.
8757         (Incremental_inputs_entry_data): Renamed from
8758         Incremental_input_entry_data.
8759         (Incremental_inputs_entry_data::data_size): New field.
8760         (Incremental_inputs::report_command_line): New method.
8761         (Incremental_inputs::finalize): New method.
8762         (Incremental_inputs::create_incremental_inputs_data): New method.
8763         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
8764         * incremental.h: New file.
8765         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
8766        (Layout::finalize): Create incremental inputs section in
8767         incremental builds.
8768        (Layout::create_incremental_info_sections): New method.
8769         * layout.h (Layout::incremental_inputs): New method.
8770        (Layout::create_incremental_info_sections): New method.
8771        (Layout::incremental_inputs_): New field.
8772         * main.cc (main): Notify Incremental_input of the command line.
8773
8774 2009-04-01  Ian Lance Taylor  <iant@google.com>
8775             Mikolaj Zalewski  <mikolajz@google.com>
8776
8777         * gold.h (reserve_unordered_map): Define, three versions, one for
8778         each version of Unordered_map.
8779         * layout.cc (Layout::Layout): Remove options parameter.  Add
8780         number_of_input_files parameter.  Don't initialize options_.
8781         Initialize number_of_input_files_ and resized_signatures_.  Move
8782         sections_are_attached_.
8783         (Layout::layout_group): Reserve space for group_signatures_.
8784         (Layout::find_or_add_kept_section): Change name parameter to be a
8785         reference.  Resize signatures_ map when it gets large enough.
8786         (Layout::layout_eh_frame): Use parameters->options() instead of
8787         this->options_.
8788         (Layout::make_output_section): Likewise.
8789         (Layout::attach_allocated_section_to_segment): Likewise.
8790         (Layout::finalize, Layout::create_executable_stack): Likewise.
8791         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
8792         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
8793         * layout.h (class Layout): Update declarations.  Remove options_
8794         field.  Add number_of_input_files_ and resized_signatures_
8795         fields.  Move sections_are_attached_ field.
8796         * main.cc (main): Pass number of input files to Layout
8797         constructor.  Don't pass options.
8798
8799 2009-03-30  Ian Lance Taylor  <iant@google.com>
8800
8801         * ffsll.c (ffsll): Correct implementation.
8802
8803 2009-03-27  Ian Lance Taylor  <iant@google.com>
8804
8805         * ffsll.c: New file.
8806         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
8807         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
8808         * ftruncate.c (ftruncate): Declare before definition.
8809         * mremap.c (mremap): Likewise.
8810         * pread.c (pread): Likewise.
8811         * configure, Makefile.in, config.in: Rebuild.
8812
8813         * mremap.c: New file.
8814         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
8815         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
8816         (mremap): Declare if HAVE_MREMAP is not defined.
8817         * configure, Makefile.in, config.in: Rebuild.
8818
8819 2009-03-27  Cary Coutant  <ccoutant@google.com>
8820
8821         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
8822         position independent.
8823         * sparc.cc (Target_sparc::check_non_pic): Likewise.
8824         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
8825
8826 2009-03-24  Cary Coutant  <ccoutant@google.com>
8827
8828         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
8829         an executable.
8830         (needs_dynamic_reloc): Likewise.
8831
8832 2009-03-24  Ian Lance Taylor  <iant@google.com>
8833
8834         * yyscript.y (file_cmd): Recognize EXTERN.
8835         (extern_name_list, extern_name_list_body): New nonterminals.
8836         * script.cc (script_add_extern): Define.
8837         * script-c.h (script_add_extern): Declare.
8838
8839 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
8840
8841         * object.cc (is_elf_object): Define.
8842         * object.h (is_elf_object): Declare.
8843         * archive.cc (Archive::get_elf_object_for_member): Call
8844         is_elf_object.
8845         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
8846
8847 2009-03-24  Elliott Hughes  <enh@google.com>
8848
8849         * output.cc (Output_file::map_anonymous): Define.
8850         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
8851         try an anonymous one.  Report the size if the mmap fails.
8852         * output.h (class Output_file): Declare map_anonymous.
8853
8854 2009-03-24  Ian Lance Taylor  <iant@google.com>
8855
8856         * target-select.cc (instantiate_target): Don't acquire the lock if
8857         the instantiated_target_ field has already been set.
8858
8859 2009-03-23  Ian Lance Taylor  <iant@google.com>
8860
8861         * gold-threads.h (class Initialize_lock): Define.
8862         * gold-threads.cc (class Initialize_lock_once): Define.
8863         (initialize_lock_control): New static variable.
8864         (initialize_lock_pointer): New static variable.
8865         (initialize_lock_once): New static function.
8866         (Initialize_lock::Initialize_lock): Define.
8867         (Initialize_lock::initialize): Define.
8868         * target-select.h: Include "gold-threads.h".
8869         (class Target_selector): Add lock_ and initialize_lock_ fields.
8870         Don't define instantiate_target, just declare it.
8871         * target-select.cc (Target_selector::Target_selector): Initialize
8872         new fields.
8873         (Target_selector::instantiate_target): Define.
8874         * descriptors.h: Include "gold-threads.h".
8875         (class Descriptors): Add initialize_lock_ field.
8876         * descriptors.cc (Descriptors::Descriptors): Initialize new
8877         field.
8878         (Descriptors::open): Use initialize_lock_ field
8879         * errors.h (class Errors): Add initialize_lock_ field.
8880         * errors.cc (Errors::Errors): Initialize new field.
8881         (Errors::initialize_lock): Use initialize_lock_ field.
8882         * powerpc.cc (class Target_selector_powerpc): Remove
8883         instantiated_target_ field.  In do_recognize call
8884         instantiate_target rather than do_instantiate_target.  In
8885         do_instantiate_target just allocate a new target.
8886         * sparc.cc (class Target_selector_sparc): Likewise.
8887
8888         * freebsd.h: New file.
8889         * i386.cc: Include "freebsd.h".
8890         (Target_i386): Derive from Target_freebsd rather than
8891         Sized_target.
8892         (Target_selector_i386): Derive from Target_selector_freebsd rather
8893         than Target_selector.
8894         * x86_64.cc: Include "freebsd.h".
8895         (Target_x86_64): Derive from Target_freebsd rather than
8896         Sized_target.
8897         (Target_selector_x86_64): Derive from Target_selector_freebsd
8898         rather than Target_selector.
8899         * target.h (class Target): Add adjust_elf_header and
8900         do_adjust_elf_header.
8901         * output.cc (Output_file_header:: do_sized_write): Call target
8902         adjust_elf_header routine.
8903         * configure.tgt: Set targ_osabi.
8904         * configure.ac: Define GOLD_DEFAULT_OSABI.
8905         * parameters.cc (Parameters::default_target): Pass
8906         GOLD_DEFAULT_OSABI to select_target.
8907         * target-select.h (class Target_selector): Make instantiate_target
8908         protected rather than private.
8909         * Makefile.am (HFILES): Add freebsd.h.
8910         * configure, Makefile.in, config.in: Rebuild.
8911
8912         * merge.cc (do_add_input_section): Correct pend value.  Change
8913         message about last entry not being null terminated from error to
8914         warning.
8915
8916 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
8917
8918         * incremental.cc: New file.
8919         * Makefile.am (CCFILES): Add incremental.cc.
8920         * Makefile.in: Rebuild.
8921
8922 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
8923
8924         * layout.cc (Layout::output_section_name): Preserve names
8925         of '.note.' sections.
8926
8927 2009-03-19  Ian Lance Taylor  <iant@google.com>
8928
8929         * descriptors.cc (Descriptors::open): Check that the options are
8930         valid before using them.
8931
8932 2009-03-18  Ian Lance Taylor  <iant@google.com>
8933
8934         * script-sections.h: Include <list>.
8935         (class Script_sections): Change Sections_elements from std::vector
8936         to std::list.  Typedef public Elements_iterator.  Add
8937         orphan_section_placement_, data_segment_align_start_, and
8938         saw_data_segment_align_ fields.  Remove data_segment_align_index_
8939         field.
8940         * script-sections.cc (class Orphan_section_placement): New class.
8941         (class Sections_element): Add virtual functions is_relro and
8942         orphan_section_init.  Remove virtual function place_orphan_here.
8943         (class Output_section_definition): Add is_relro and
8944         orphan_section_init.  Remove place_orphan_here.
8945         (class Orphan_output_section): Likewise.
8946         (Script_sections::Script_sections): Update for field changes.
8947         (Script_sections::data_segment_align): Set saw_data_segment_align_
8948         and data_segment_align_start_, not data_segment_align_index.
8949         (Script_sections::data_segment_relro_end): Check
8950         saw_data_segment_align_.  Use data_segment_align_start_ rather
8951         than data_segment_align_index_.
8952         (Script_sections::place_orphan): Rewrite to use
8953         Orphan_section_placement.
8954
8955 2009-03-17  Ian Lance Taylor  <iant@google.com>
8956
8957         * archive.cc (Archive::add_symbols): Check for a version attached
8958         to the symbol name in the archive map.
8959         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
8960         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
8961         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
8962         (ver_test_11.a): New target.
8963         * testsuite/Makefile.in: Rebuild.
8964
8965         * configure.ac: Check for chsize and posix_fallocate.  Replace
8966         ftruncate.
8967         * ftruncate.c: New file, from gnulib.
8968         * output.cc (posix_fallocate): Define dummy version if not
8969         HAVE_POSIX_FALLOCATE.
8970         (Output_file::map): Call posix_fallocate rather than lseek and
8971         write.
8972         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
8973         * configure, Makefile.in, config.in: Rebuild.
8974
8975 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
8976
8977         * layout.h (Layout::create_note): Add section_name parameter.
8978         * layout.cc (Layout::create_note): Likewise.
8979         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
8980
8981 2009-03-17  Ian Lance Taylor  <iant@google.com>
8982
8983         * descriptors.cc: Include "options.h".
8984         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
8985         (Descriptors::open): Always use O_CLOEXEC when opening a new
8986         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
8987         then set FD_CLOEXEC.
8988
8989         * sparc.cc (class Target_sparc): Add has_got_section.
8990         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
8991         make sure we have a GOT section.
8992
8993         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
8994         (Target_sparc::Scan::local): Likewise.
8995         (Target_sparc::Scan::global): Likewise.
8996         (Target_sparc::Relocate::relocate): Likewise.
8997         (Target_sparc::Relocate::relocate_tls): Likewise.
8998
8999         * symtab.cc (Symbol_table::define_default_version): New function,
9000         broken out of add_from_object.
9001         (Symbol_table::add_from_object): Call define_default_version.
9002         (Symbol_table::define_special_symbol): Add resolve_oldsym
9003         parameter.  Change all callers.  If the version for a symbol comes
9004         from a version script, resolve it with the symbol with the same
9005         name with no version.  Also add the symbol without a version if
9006         appropriate.
9007         (do_define_in_output_data): If resolving with oldsym, don't delete
9008         sym.
9009         (do_define_in_output_segment): Likewise.
9010         (do_define_as_constant): Likewise.
9011         * symtab.h (class Symbol_table): Update declarations.
9012
9013 2009-03-13  Ian Lance Taylor  <iant@google.com>
9014
9015         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9016         (Read_symbols::requeue): New function.
9017         (Read_symbols::do_read_symbols): If make_elf_object fails because
9018         the target type is not configured, and the file was searched for,
9019         issue a warning and retry with the next directory.
9020         (Add_symbols::run): If the file has an incompatible format, and
9021         it was searched for, requeue the Read_symbols task.  On error,
9022         release the object.
9023         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9024         dirindex parameter to constructor.  Change all callers.  Declare
9025         incompatible_warning and requeue.
9026         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9027         input_argument_ and input_group_ fields.  Add them to
9028         constructor.  Change all callers.
9029         (class Read_script): Add dirindex_ field.  Add it to constructor.
9030         Change all callers.
9031         * archive.cc (Archive::setup): Remove input_objects parameter.
9032         Change all callers.
9033         (Archive::get_file_and_offset): Likewise.
9034         (Archive::read_all_symbols): Likewise.
9035         (Archive::read_symbols): Likewise.
9036         (Archive::get_elf_object_for_member): Remove input_objects
9037         parameter.  Add punconfigured parameter.  Change all callers.
9038         (Archive::add_symbols): Change return type to bool.  Check return
9039         value of include_member.
9040         (Archive::include_all_members): Likewise.
9041         (Archive::include_member): Change return type to bool.  Return
9042         false if first included object has incompatible target.  Set
9043         included_member_ field.
9044         (Add_archive_symbols::run): If add_symbols returns false, requeue
9045         Read_symbols task.
9046         * archive.h (class Archive): Add included_member_ field.
9047         Initialize it in constructor.  Add input_file and searched_for
9048         methods.  Update declarations.
9049         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9050         input_argument_ fields.  Add them to constructor.  Change all
9051         callers.
9052         * script.cc: Include "target-select.h".
9053         (class Parser_closure): Add skip_on_incompatible_target_ and
9054         found_incompatible_target_ fields.  Add
9055         skip_on_incompatible_target parameter to constructor.  Change all
9056         callers.  Add methods skip_on_incompatible_target,
9057         clear_skip_on_incompatible_target, found_incompatible_target, and
9058         set_found_incompatible_target.
9059         (read_input_script): Add dirindex parameter.  Change all callers.
9060         If parser finds an incompatible target, requeue Read_symbols
9061         task.
9062         (script_set_symbol): Clear skip_on_incompatible_target in
9063         closure.
9064         (script_add_assertion, script_parse_option): Likewise.
9065         (script_start_sections, script_add_phdr): Likewise.
9066         (script_check_output_format): New function.
9067         * script.h (read_input_script): Update declaration.
9068         * script-c.h (script_check_output_format): Declare.
9069         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9070         (ignore_cmd): Remove OUTPUT_FORMAT.
9071         * fileread.cc (Input_file::Input_file): Add explicit this.
9072         (Input_file::will_search_for): New function.
9073         (Input_file::open): Add pindex parameter.  Change all callers.
9074         * fileread.h (class Input_file): Add input_file_argument method.
9075         Declare will_search_for.  Update declarations.
9076         * object.cc (make_elf_object): Add punconfigured parameter.
9077         Change all callers.
9078         * object.h (class Object): Make input_file public.  Add
9079         searched_for method.
9080         (make_elf_object): Update declaration.
9081         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9082         restart search.
9083         * dirsearch.h (class Dirsearch): Update declaration.
9084         * options.h (class General_options): Add --warn-search-mismatch.
9085         * parameters.cc (Parameters::is_compatible_target): New function.
9086         * parameters.h (class Parameters): Declare is_compatible_target.
9087         * workqueue.cc (Workqueue::add_blocker): New function.
9088         * workqueue.h (class Workqueue): Declare add_blocker.
9089
9090         * fileread.cc (Input_file::open): Remove options parameter.
9091         Change all callers.
9092         (Input_file::open_binary): Likewise.
9093         * script.cc (read_input_script): Likewise.
9094         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9095         options parameter from constructor.  Change all callers.
9096         (class Read_script): Likewise.
9097         * fileread.h (class Input_file): Update declarations.
9098         * script.h (read_input_script): Update declaration.
9099
9100 2009-03-10  Nick Clifton  <nickc@redhat.com>
9101
9102         * po/es.po: New Spanish translation.
9103
9104 2009-03-06  Cary Coutant  <ccoutant@google.com>
9105
9106         * options.cc (parse_short_option): Keep dash_z from registering itself.
9107
9108 2009-03-03  Ian Lance Taylor  <iant@google.com>
9109
9110         PR 9918
9111         * target-reloc.h (relocate_section): Pass output_section to
9112         relocate.
9113         * i386.cc (Target_i386::should_apply_static_reloc): Add
9114         output_section parameter.  Change all callers.
9115         (Target_i386::Relocate::relocate): Add output_section parameter.
9116         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9117         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9118         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9119         * testsuite/two_file_shared.sh: New script.
9120         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9121         (check_DATA): Add two_file_shared.dbg.
9122         (two_file_shared.dbg): New target.
9123         * testsuite/Makefile.in: Rebuild.
9124
9125 2009-03-01  Ian Lance Taylor  <iant@google.com>
9126
9127         * configure.ac: Check for byteswap.h.
9128         * configure: Rebuild.
9129         * config.in: Rebuild.
9130
9131 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9132
9133         * layout.cc (Layout::find_or_add_kept_section): New function.
9134         (Layout::add_comdat): Removed.
9135         * layout.h (struct Kept_section): Move out of class Layout.
9136         Remove trailing underscores from field names.  Add group_sections
9137         field.  Rename group_ field to is_group.  Change all uses.
9138         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9139         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9140         comdat_groups_ field.
9141         (Sized_relobj::include_section_group): Use
9142         find_or_add_kept_section and Kept_section::group_sections.
9143         (Sized_relobj::include_linkonce_section): Likewise.
9144         * object.cc (class Sized_relobj): Don't define Comdat_group or
9145         Comdat_group_table.  Remove find_comdat_group and
9146         add_comdat_group.  Remove comdat_groups_ field.
9147         * plugin.cc (include_comdat_group): Use
9148         Layout::find_or_add_kept_section.
9149
9150 2009-02-28  Ian Lance Taylor  <iant@google.com>
9151
9152         * README: --gc-sections and map files are now supported.  Document
9153         some build requirements.
9154
9155         PR 6992
9156         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9157         relocatable link set the value of the section symbol to zero.
9158         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9159         relocatable link don't include the section address in the local
9160         symbol value.
9161
9162 2009-02-27  Ian Lance Taylor  <iant@google.com>
9163
9164         PR 6811
9165         * options.h (class Search_directory): Add is_system_directory.
9166         (class General_options): Declare is_in_system_directory.
9167         * options.cc (get_relative_sysroot): Make static.
9168         (get_default_sysroot): Make static.
9169         (General_optoins::is_in_system_directory): New function.
9170         * fileread.cc (Input_file::is_in_system_directory): New function.
9171         * fileread.h (class Input_file): Declare is_in_system_directory.
9172         * object.h (class Object): Add is_in_system_directory.
9173         (class Input_objects): Remove system_library_directory_ field.
9174         * object.cc (Input_objects::add_object): Don't set
9175         system_library_directory_.
9176         (input_objects::found_in_system_library_directory): Remove.
9177         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9178         parameter.  Change all callers.
9179         (Symbol_table::sized_write_globals): Likewise.
9180         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9181         Call Object::is_in_system_directory.
9182         * symtab.h (class Symbol_table): Update declarations.
9183
9184         PR 5990
9185         * descriptors.h (Open_descriptor): Add is_on_stack field.
9186         * descriptors.cc (Descriptors::open): If the descriptor is on the
9187         top of the stack, remove it.  Initialize is_on_stack field.
9188         (Descriptors::release): Only add pod to stack if it is not on the
9189         stack already.
9190         (Descriptors::close_some_descriptor): Clear stack_next and
9191         is_on_stack fields.
9192
9193         PR 7091
9194         * output.cc (Output_section::find_starting_output_address): Rename
9195         from starting_output_address; add PADDR parameter; change return
9196         type.
9197         * output.h (class Output_section): Declare
9198         find_starting_output_address instead of starting_output_address.
9199         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9200         section symbol for which we can't find a merge section.
9201
9202         PR 9836
9203         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9204         hidden or internal, force the symbol to be local.
9205         * resolve.cc (Symbol::override_visibility): Define.
9206         (Symbol::override_base): Use override_visibility.
9207         (Symbol_table::resolve): Likewise.
9208         (Symbol::override_base_with_special): Likewise.
9209         (Symbol_table::override_with_special): If the visibility is hidden
9210         or internal, force the symbol to be local.
9211         * symtab.h (class Symbol): Add set_visibility and
9212         override_visibility.
9213         * testsuite/ver_test_1.sh: New file.
9214         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9215         (check_DATA): Add ver_test_1.syms.
9216         (ver_test_1.syms): New target.
9217         * testsuite/Makefile.in: Rebuild.
9218
9219 2009-02-25  Cary Coutant  <ccoutant@google.com>
9220
9221         * layout.cc (Layout::choose_output_section): Don't rename sections
9222         when using a linker script that has a SECTIONS clause.
9223         * Makefile.in: Regenerate.
9224
9225         * testsuite/Makefile.am (script_test_5.sh): New test case.
9226         * testsuite/Makefile.in: Regenerate.
9227         * testsuite/script_test_5.cc: New file.
9228         * testsuite/script_test_5.sh: New file.
9229         * testsuite/script_test_5.t: New file.
9230
9231 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9232
9233         * archive.cc (Archive::include_member): Update calls to add_symbols.
9234         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9235         the Layout argument.
9236         * dynobj.h (do_add_symbols): Add the Layout argument.
9237         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9238         Layout argument.
9239         * object.h (Object::add_symbols): Add the Layout argument.
9240         (Object::do_add_symbols): Add the Layout argument.
9241         (Sized_relobj::do_add_symbols): Add the Layout argument.
9242         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9243         Unify the two versions.
9244         (Add_plugin_symbols): Remove.
9245         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9246         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9247         (Add_plugin_symbols): Remove.
9248         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9249         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9250         (Add_symbols::run): Make it work with Pulginobj.
9251
9252 2009-02-06  Ian Lance Taylor  <iant@google.com>
9253
9254         * object.cc (Sized_relobj::do_layout): Make info message start
9255         with lower case letter.
9256
9257 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9258
9259         * binary.cc: Fix file comment.
9260
9261         * options.h (enum Incremental_disposition): Define.
9262         (class General_options): Add new options: --incremental,
9263         --incremental_changed, --incremental_unchanged,
9264         --incremental_unknown.  Add incremental_disposition_ and
9265         implicit_incremental_ fields.
9266         (General_options::incremental_disposition): New function.
9267         (class Position_dependent_options): Add incremental_disposition
9268         option.
9269         (Position_dependent_options::copy_from_options): Set incremental
9270         dispositions.
9271         * options.cc (General_options::parse_incremental_changed): New
9272         function.
9273         (General_options::parse_incremental_unchanged): New function.
9274         (General_options::parse_incremental_unknown): New function.
9275         (General_options::General_options): Initialize new fields
9276         incremental_disposition_ and implicit_incremental_.
9277         (General_options::finalize): Check for uasge of --incremental-*
9278         without --incremental.
9279
9280 2009-02-06  Chris Demetriou  <cgd@google.com>
9281
9282         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9283         pointer and to report location as the file name associated with
9284         the symbol.
9285         (gold_undefined_symbol_at_location): New function to replace the
9286         old gold_undefined_symbol functionality.
9287         * target-reloc.h (relocate_section): Update to use
9288         gold_undefined_symbol_at_location.
9289         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9290         Call gold_undefined_symbol function rather than gold_error.
9291         * errors.h (Errors::undefined_symbol): Take location as a
9292         string, rather than calculating it from a relocation.
9293         * errors.cc (Errors::fatal): Print "fatal error:" before the
9294         formatted message.
9295         (Errors::error, Errors::error_at_location): Print "error: "
9296         before the formatted message.
9297         (Errors::undefined_symbol): Take location as a string, rather
9298         than calculating it from a relocation.
9299         (gold_undefined_symbol_at_location): New function akin to
9300         old gold_undefined_symbol, calculates location from relocation.
9301         (gold_undefined_symbol): Change to take only a Symbol pointer
9302         and to report location as the file name associated with the symbol.
9303         * testsuite/debug_msg.sh: Update for changed error messages.
9304         * testsuite/undef_symbol.sh: Likewise.
9305
9306 2009-02-04  Duncan Sands  <baldrick@free.fr>
9307
9308         PR 9812
9309         * reduced_debug_output.h
9310         (Output_reduced_debug_abbrev_section::failed): Use format for
9311         gold_warning.
9312         (Output_reduced_debug_info_section::faild): Likewise.
9313
9314 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9315
9316         * script.cc (Lazy_demangler): New class.
9317         (Version_script_info::get_symbol_version_helper): Demangle a
9318         symbol only once.
9319
9320 2009-01-29  Cary Coutant  <ccoutant@google.com>
9321
9322         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9323         to __tls_get_addr.
9324         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9325
9326 2009-01-28  Ian Lance Taylor  <iant@google.com>
9327
9328         * version.cc (version_string): Bump to 1.9.
9329
9330         * gold.h: Include <cstring> and <stdint.h>.
9331         * version.cc: Include <cstdio>.
9332         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9333         warning.
9334         * reduced_debug_output.cc (insert_into_vector): Rename from
9335         Insert_into_vector; change all callers.  Use Swap_unaligned to
9336         avoid aliasing issue; remove union since it is unnecessary.
9337
9338 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9339
9340         * Makefile.am (CCFILES): Add gc.cc.
9341         (HFILES): Add gc.h.
9342         * Makefile.in: Regenerate.
9343         * gold.cc (Gc_runner): New class.
9344         (queue_initial_tasks): Call garbage collection related tasks
9345         when corresponding options are invoked.
9346         (queue_middle_gc_tasks): New function.
9347         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9348         processed early before laying out sections during garbage collection.
9349         * gold.h (queue_middle_gc_tasks): New function.
9350         (is_prefix_of): Move from "layout.cc".
9351         * i386.cc (Target_i386::gc_process_relocs): New function.
9352         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9353         * main.cc (main): Create object of class "Garbage_collection".
9354         * object.cc (Relobj::copy_symbols_data): New function.
9355         (Relobj::is_section_name_included): New function.
9356         (Sized_relobj::do_layout): Allow this function to be called twice
9357         during garbage collection and defer layout of section during the
9358         first call.
9359         * object.h (Relobj::get_symbols_data): New function.
9360         (Relobj::is_section_name_included): New function.
9361         (Relobj::copy_symbols_data): New function.
9362         (Relobj::set_symbols_data): New function.
9363         (Relobj::get_relocs_data): New function.
9364         (Relobj::set_relocs_data): New function.
9365         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9366         (Relobj::gc_process_relocs): New function.
9367         (Relobj::do_gc_process_relocs): New pure virtual function.
9368         (Relobj::sd_): New data member.
9369         (Sized_relobj::is_output_section_offset_invalid): New function.
9370         (Sized_relobj::do_gc_process_relocs): New function.
9371         * options.h (General_options::gc_sections): Modify to not be a no-op.
9372         (General_options::print_gc_sections): New option.
9373         * plugin.cc (Plugin_finish::run): Remove function call to
9374         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9375         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9376         * reloc.cc (Read_relocs::run): Add task to process relocs and
9377         determine unreferenced sections when doing garbage collection.
9378         (Gc_process_relocs): New class.
9379         (Sized_relobj::do_gc_process_relocs): New function.
9380         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9381         sections that are garbage collected.
9382         * reloc.h (Gc_process_relocs): New class.
9383         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9384         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9385         symbols whose corresponding sections are garbage collected.
9386         (Symbol_table::Symbol_table): Add new parameter for the garbage
9387         collection object.
9388         (Symbol_table::gc_mark_undef_symbols): New function.
9389         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9390         (Symbol_table::gc_mark_dyn_syms): New function.
9391         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9392         as garbage.
9393         (Symbol_table::add_from_object): Likewise.
9394         (Symbol_table::add_from_relobj): When building shared objects, do not
9395         treat externally visible symbols as garbage.
9396         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9397         table information for static and relocatable links.
9398         * symtab.h (Symbol_table::set_gc): New function.
9399         (Symbol_table::gc): New function.
9400         (Symbol_table::gc_mark_undef_symbols): New function.
9401         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9402         (Symbol_table::gc_mark_dyn_syms): New function.
9403         (Symbol_table::gc_): New data member.
9404         * target.h (Sized_target::gc_process_relocs): New pure virtual
9405         function.
9406         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9407         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9408
9409 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9410
9411         * options.h (General_options::gc_sections): Define as a no-op for now.
9412         (General_options::no_keep_memory): Ditto.
9413         (General_options::Bshareable): Define.
9414         * options.cc (General_options::finalize): Honor -Bshareable.
9415
9416 2009-01-20  Andreas Schwab  <schwab@suse.de>
9417
9418         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9419         read the value in the contents, since we don't use it.  Use the
9420         template endianness when writing.
9421         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9422
9423 2009-01-19  Andreas Schwab  <schwab@suse.de>
9424
9425         * configure.tgt (powerpc64-*): Fix targ_obj.
9426
9427 2009-01-15  Ian Lance Taylor  <iant@google.com>
9428
9429         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9430         local symbols when stripping all symbols.
9431
9432 2009-01-14  Cary Coutant  <ccoutant@google.com>
9433
9434         * output.cc (Output_reloc): Add explicit instantiations.
9435
9436 2009-01-14  Cary Coutant  <ccoutant@google.com>
9437
9438         * archive.cc (Archive::get_elf_object_for_member): Remove call
9439         to File_read::claim_for_plugin.
9440         * descriptors.cc (Descriptors::open): Remove reference to
9441         is_claimed.
9442         (Descriptors::claim_for_plugin): Remove.
9443         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9444         (Descriptors::is_claimed): Remove.
9445         (claim_descriptor_for_plugin): Remove.
9446         * fileread.cc (File_read::claim_for_plugin): Remove.
9447         * fileread.h (File_read::claim_for_plugin): Remove.
9448         (File_read::descriptor): Reopen descriptor if necessary.
9449         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9450         (Plugin_manager::all_symbols_read): Add task parameter. Change
9451         all callers.
9452         (Plugin_manager::get_input_file): New function.
9453         (Plugin_manager::release_input_file): New function.
9454         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9455         corresponding data member.
9456         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9457         and pass to base constructor. Change all callers.
9458         (get_input_file, release_input_file): New functions.
9459         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9460         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9461         (Plugin_manager::all_symbols_read): Add task parameter.
9462         (Plugin_manager::get_input_file): New function.
9463         (Plugin_manager::release_input_file): New function.
9464         (Plugin_manager::task_): New data member.
9465         (Pluginobj::Pluginobj): Add filesize parameter.
9466         (Pluginobj::filename): New function.
9467         (Pluginobj::descriptor): New function.
9468         (Pluginobj::filesize): New function.
9469         (Pluginobj::filesize_): New data member.
9470         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9471         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9472         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9473
9474         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9475         with archive libraries.
9476         * testsuite/Makefile.in: Regenerate.
9477         * testsuite/plugin_test.c (struct sym_info): New type.
9478         (get_input_file, release_input_file): New static variables.
9479         (onload): Capture new transfer vector entries.
9480         (claim_file_hook): Stop reading at end of file according to filesize.
9481         Factor out parsing of readelf output into separate function.
9482         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9483         APIs and get the source file name from the symbol table.  Convert
9484         source file name to corresponding object file name.  Print info
9485         message when adding new input files.
9486         (parse_readelf_line): New function.
9487         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9488         * testsuite/plugin_test_2.sh: Likewise.
9489         * testsuite/plugin_test_3.sh: Likewise.
9490         * testsuite/plugin_test_4.sh: New test case.
9491
9492 2009-01-07  Ian Lance Taylor  <iant@google.com>
9493
9494         * version.cc (version_string): Bump to 1.8.
9495
9496 2008-12-23  Cary Coutant  <ccoutant@google.com>
9497
9498         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9499         * plugin.cc (Plugin_manager::finish): Rename as
9500         layout_deferred_objects.  Move cleanup to separate function.
9501         (Plugin_manager::cleanup): New function.
9502         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9503         separately.
9504         * plugin.h (Plugin_manager::finish): Rename as
9505         layout_deferred_objects.
9506         (Plugin_manager::cleanup): New function.
9507         (Plugin_manager::cleanup_done): New field.
9508
9509 2008-12-23  Cary Coutant  <ccoutant@google.com>
9510
9511         * plugin.cc (is_visible_from_outside): New function.
9512         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9513         so we don't return "IR only" status for exported symbols or -r links.
9514
9515         * testsuite/Makefile.am (plugin_test_3): New test case.
9516         * testsuite/Makefile.in: Regenerate.
9517         * testsuite/plugin_test_3.sh: New file.
9518
9519 2008-12-22  Cary Coutant  <ccoutant@google.com>
9520
9521         * object.cc (Sized_relobj::layout_section): New function.
9522         (Sized_relobj::do_layout): Defer layout of input sections until after
9523         plugin has provided replacement files.
9524         (Sized_relobj::do_layout_deferred_sections): New function.
9525         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9526         (Relobj::layout_deferred_sections): New function.
9527         (Relobj::do_layout_deferred_sections): New function.
9528         (Sized_relobj::do_layout_deferred_sections): New function.
9529         (Sized_relobj::layout_section): New function.
9530         (Sized_relobj::Deferred_layout): New structure.
9531         (Sized_relobj::deferred_layout_): New field.
9532         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9533         Change all callers.  Layout deferred sections.
9534         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9535         references.
9536         (Plugin_hook::run): Move code from do_plugin_hook inline.
9537         (Plugin_hook::do_plugin_hook): Remove.
9538         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9539         (Plugin_manager::finish): Renamed, was cleanup.
9540         (Plugin_manager::should_defer_layout): New function.
9541         (Plugin_manager::add_deferred_layout_object): New function.
9542         (Plugin_manager::Deferred_layout_list): New type.
9543         (Plugin_manager::deferred_layout_objects_): New field.
9544         (Plugin_hook::do_plugin_hook): Remove.
9545
9546 2008-12-17  Ian Lance Taylor  <iant@google.com>
9547
9548         * options.h (class General_options): Add --no case for
9549         --export-dynamic.
9550
9551 2008-12-16  Cary Coutant  <ccoutant@google.com>
9552
9553         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9554         vector.
9555         (Plugin_manager::claim_file): Create plugin object even if
9556         plugin did not call the add_symbols callback.
9557         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9558         asking for more symbols than were added.
9559         * testsuite/Makefile.am (plugin_test_1): Add test case with
9560         no global symbols.
9561         (empty.syms): New target.
9562         * testsuite/Makefile.in: Regenerate.
9563         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9564         message. Don't call add_symbols if no globals.
9565         (all_symbols_read_hook): Don't provide replacement for empty
9566         claimed file.
9567
9568 2008-12-12  Ian Lance Taylor  <iant@google.com>
9569
9570         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9571         r_type == 0 for a local symbol with r_sym == 0.
9572         (scan_relocatable_relocs): Pass r_sym to
9573         local_non_section_strategy.
9574         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9575         r_sym parameter.
9576
9577         * configure.ac: Update test for TLS descriptors: they are
9578         supported as of glibc 2.9.
9579         * configure: Rebuild.
9580
9581 2008-12-11  Ian Lance Taylor  <iant@google.com>
9582
9583         PR 7091
9584         * target-reloc.h (Default_scan_relocatable_relocs): For each
9585         function, map r_type == 0 to RELOC_DISCARD.
9586
9587 2008-12-10  Cary Coutant  <ccoutant@google.com>
9588
9589         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9590         object to override a kept COMDAT group from a plugin object.
9591
9592 2008-12-09  Ian Lance Taylor  <iant@google.com>
9593
9594         PR 7088
9595         * yyscript.y (file_cmd): Handle INPUT.
9596
9597         * testsuite/initpri1.c: Change all declarations to be full
9598         prototypes by adding void, to avoid compiler warnings.
9599
9600 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
9601
9602         * options.cc (General_options::parse_plugin_opt): New.
9603         (General_options::add_plugin): The argument now is just the filename.
9604         (General_options::add_plugin_option): New.
9605         * options.h (plugin_opt): New.
9606         (add_plugin): Change argument name.
9607         (add_plugin_option): New.
9608         * plugin.cc (Plugin::load): Don't parse the plugin option.
9609         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9610         (Plugin::add_option): New.
9611         (Plugin::args_): Change type.
9612         (Plugin::filename_): New.
9613         (Plugin_manager::add_plugin_option): New.
9614         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9615         * testsuite/Makefile.in: Regenerate.
9616
9617 2008-12-05  Cary Coutant  <ccoutant@google.com>
9618
9619         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9620         Handle --strip-lto-sections option.
9621         * options.h (strip_lto_sections): New option.
9622
9623 2008-12-01  Cary Coutant  <ccoutant@google.com>
9624
9625         * plugin.cc (ld_plugin_message): Change format parameter to const.
9626         Fix mismatch between new[] and delete.
9627
9628 2008-11-14  Cary Coutant  <ccoutant@google.com>
9629
9630         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9631         instead of -1U.
9632
9633 2008-11-05  Craig Silverstein  <csilvers@google.com>
9634
9635         * options.cc (General_options::parse_dynamic_list): New function.
9636         * options.h (General_options): New flags dynamic_list,
9637         dynamic_list_data, dynamic_list_cpp_new, and
9638         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
9639         (General_options::in_dynamic_list): New function.
9640         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9641         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9642         (Lex::can_continue_name): Likewise.
9643         (yylex): Likewise.
9644         (read_script_file): New parameter script_options.
9645         (read_dynamic_list): New function.
9646         (Script_options::define_dynamic_list): New function.
9647         (dynamic_list_keyword_parsecodes): New variable.
9648         (dynamic_list_keywords): New variable.
9649         * script.h (Script_options::define_dynamic_list): New function
9650         prototype.
9651         (read_dynamic_list): New function prototype.
9652         * symtab.cc (strprefix): New macro.
9653         (Symbol::should_add_dynsym_entry): Support dynamic_list,
9654         dynamic_list_data, dynamic_list_cpp_new, and
9655         dynamic_list_cpp_typeinfo.
9656         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
9657         (dynamic_list_expr): New rule.
9658         (dynamic_list_nodes): Likewise.
9659         (dynamic_list_node): Likewise.
9660         * testsuite/Makefile.am (dynamic_list): New test.
9661         * testsuite/Makefile.in: Regenerated.
9662         * testsuite/dynamic_list.t: New file.
9663         * testsuite/dynamic_list.sh: New file.
9664
9665 2008-11-05  Craig Silverstein  <csilvers@google.com>
9666
9667         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
9668         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
9669         (t11_last): Likewise.
9670         * testsuite/ver_test_6.c (main): Likewise.
9671
9672 2008-10-07  Cary Coutant  <ccoutant@google.com>
9673
9674         * options.c (General_options::finalize): Add check for -static and
9675         -shared.
9676         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
9677         is not empty.
9678
9679 2008-10-02  Cary Coutant  <ccoutant@google.com>
9680
9681         * plugin.cc (make_sized_plugin_object): Fix conditional
9682         compilation to work when not all targets are enabled.
9683
9684 2008-09-29  Cary Coutant  <ccoutant@google.com>
9685
9686         * archive.cc (Archive::get_file_and_offset): Use filename instead
9687         of name to get library path.
9688         (Archive::include_member): Unlock external member of a thin archive.
9689
9690         * testsuite/Makefile.am (TEST_AR): New variable.
9691         (thin_archive_test_1): New test.
9692         (thin_archive_test_2): New test.
9693         * testsuite/Makefile.in: Regenerate.
9694         * testsuite/thin_archive_main.cc: New file.
9695         * testsuite/thin_archive_test_1.cc: New file.
9696         * testsuite/thin_archive_test_2.cc: New file.
9697         * testsuite/thin_archive_test_3.cc: New file.
9698         * testsuite/thin_archive_test_4.cc: New file.
9699
9700 2008-09-29  Cary Coutant  <ccoutant@google.com>
9701
9702         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
9703         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
9704         instead of -1U.
9705         (Sized_relobj::do_finalize_local_symbols): Likewise.
9706         (Sized_relobj::map_to_kept_section): Likewise.
9707         * object.h (Sized_relobj::invalid_address): New constant.
9708         (Sized_relobj::do_output_section_offset): Check for invalid_address
9709         and return -1ULL.
9710         * output.cc (Output_reloc::local_section_offset): Use constant
9711         invalid_address instead of -1U.
9712         (Output_reloc::get_address): Likewise.
9713         (Output_section::output_address): Change -1U to -1ULL.
9714         * output.h (Output_reloc::invalid_address): New constant.
9715         * reloc.cc (Sized_relobj::write_sections): Use constant
9716         invalid_address instead of -1U.
9717         (Sized_relobj::relocate_sections): Likewise.
9718         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
9719         values for merge sections.
9720         * target-reloc.h (relocate_for_relocatable): Use constant
9721         invalid_address instead of -1U.
9722
9723 2008-09-19  Cary Coutant  <ccoutant@google.com>
9724
9725         Add plugin functionality for link-time optimization (LTO).
9726         * configure.ac (plugins): Add --enable-plugins option.
9727         * configure: Regenerate.
9728         * config.in: Regenerate.
9729         * Makefile.am (LIBDL): New variable.
9730         (CCFILES): Add plugin.cc.
9731         (HFILES): Add plugin.h.
9732         (ldadd_var): Add LIBDL.
9733         * Makefile.in: Regenerate.
9734
9735         * archive.cc: Include "plugin.h".
9736         (Archive::setup): Don't preread archive symbols when using a plugin.
9737         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
9738         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
9739         files.
9740         (Archive::include_member): Add symbols from plugin objects.
9741         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
9742         * descriptors.cc (Descriptors::open): Check for file descriptors
9743         abandoned by plugins.
9744         (Descriptors::claim_for_plugin): New function.
9745         * descriptors.h (Descriptors::claim_for_plugin): New function.
9746         (Open_descriptor::is_claimed): New field.
9747         (claim_descriptor_for_plugin): New function.
9748         * fileread.cc (File_read::claim_for_plugin): New function.
9749         * fileread.h (File_read::claim_for_plugin): New function.
9750         (File_read::descriptor): New function.
9751         * gold.cc: Include "plugin.h".
9752         (queue_initial_tasks): Add task to call plugin hooks for generating
9753         new object files.
9754         * main.cc: Include "plugin.h".
9755         (main): Load plugin libraries.
9756         * object.h (Pluginobj): Declare.
9757         (Object::pluginobj): New function.
9758         (Object::do_pluginobj): New function.
9759         (Object::set_target): New function.
9760         * options.cc: Include "plugin.h".
9761         (General_options::parse_plugin): New function.
9762         (General_options::General_options): Initialize plugins_ field.
9763         (General_options::add_plugin): New function.
9764         * options.h (Plugin_manager): Declare.
9765         (General_options): Add --plugin option.
9766         (General_options::has_plugins): New function.
9767         (General_options::plugins): New function.
9768         (General_options::add_plugin): New function.
9769         (General_options::plugins_): New field.
9770         * plugin.cc: New file.
9771         * plugin.h: New file.
9772         * readsyms.cc: Include "plugin.h".
9773         (Read_symbols::do_read_symbols): Check for archive before checking
9774         for ELF file.  Call plugin hooks to claim files.
9775         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
9776         from a real object file; force override when processing replacement
9777         files.
9778         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
9779         (Symbol::init_base_object): Likewise.
9780         (Symbol::init_base_output_data): Likewise.
9781         (Symbol::init_base_output_segment): Likewise.
9782         (Symbol::init_base_constant): Likewise.
9783         (Symbol::init_base_undefined): Likewise.
9784         (Symbol::output_section): Assert that object is not a plugin.
9785         (Symbol_table::add_from_pluginobj): New function.
9786         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
9787         undefined.
9788         (Symbol_table::sized_write_globals): Likewise.
9789         (Symbol_table::add_from_pluginobj): Instantiate template.
9790         * symtab.h (Sized_pluginobj): Declare.
9791         (Symbol::in_real_elf): New function.
9792         (Symbol::set_in_real_elf): New function.
9793         (Symbol::in_real_elf_): New field.
9794         (Symbol_table::add_from_pluginobj): New function.
9795
9796         * testsuite/Makefile.am (AM_CFLAGS): New variable.
9797         (LIBDL): New variable.
9798         (LDADD): Add LIBDL.
9799         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
9800         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
9801         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
9802         (MOSTLYCLEANFILES): Likewise.
9803         * testsuite/Makefile.in: Regenerate.
9804         * testsuite/plugin_test.c: New file.
9805         * testsuite/plugin_test_1.sh: New file.
9806         * testsuite/plugin_test_2.sh: New file.
9807
9808 2008-09-16  Ian Lance Taylor  <iant@google.com>
9809
9810         * target-reloc.h (relocate_section): Check whether a symbol is
9811         defined by the ABI before reporting an undefined symbol error.
9812         * target.h (Target::is_defined_by_abi): Make parameter const.
9813         (Target::do_is_defined_by_abi): Likewise.
9814         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
9815         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
9816         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
9817         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
9818         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
9819         * testsuite/Makefile.in: Rebuild.
9820
9821         * fileread.cc (make_view): Add casts to avoid warning.
9822
9823 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9824
9825         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
9826         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9827
9828 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9829
9830         * options.h (General_options::output_is_executable): New.
9831         (General_options::output_is_pie): New.
9832         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
9833         for shared libraries.
9834         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9835
9836 2008-09-11  Chris Demetriou  <cgd@google.com>
9837
9838         * options.h (origin): New -z option.
9839         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
9840         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
9841         in DT_FLAGS_1.
9842
9843 2008-09-05  Cary Coutant  <ccoutant@google.com>
9844
9845         * fileread.cc (File_read::make_view): Add check for attempt to map
9846         beyond end of file.
9847
9848 2008-09-05  Cary Coutant  <ccoutant@google.com>
9849
9850         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
9851         explicit instantiations.
9852
9853 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
9854
9855         PR gold/6858
9856         * options.cc (General_options::finalize): Allow undefined symbols
9857         in shlibs if linking -shared.
9858
9859         PR gold/6859
9860         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
9861         symbols as not needing a dynsym entry.
9862
9863 2008-08-20  Craig Silverstein  <csilvers@google.com>
9864
9865         * fileread.cc (File_read::open): Do not lock the file unless it
9866         was successfully opened.
9867
9868 2008-08-14  Cary Coutant  <ccoutant@google.com>
9869
9870         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
9871         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
9872         * testsuite/tls_test.cc (struct int128): 128-bit struct
9873         for testing TLS relocs with non-zero addend.
9874         (v12): New TLS variable.
9875         (t12): New test.
9876         (t_last): Add check for v12.
9877         * testsuite/tls_test.h (t12): New function.
9878         * testsuite/tls_test_main.cc (thread_routine): Call new test.
9879
9880 2008-08-13  Ian Lance Taylor  <iant@google.com>
9881
9882         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
9883         set tls_segment_ or relro_segment_.
9884         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
9885         when appropriate.
9886         * output.h (Output_section::clear_is_relro): New function.
9887         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
9888         sections specially even when output_data_ is empty.
9889         (Output_segment::maximum_alignment): When first section is relro,
9890         only force alignment for PT_LOAD segments.
9891         * script.cc (script_data_segment_align): New function.
9892         (script_data_segment_relro_end): New function.
9893         * script-c.h (script_data_segment_align): Declare.
9894         (script_data_segment_relro_end): Declare.
9895         * script-sections.h (class Script_sections): Declare
9896         data_segment_align and data_segment_relro_end.  Add fields
9897         segment_align_index_ and saw_relro_end_.
9898         * script-sections.cc (class Sections_element): Add set_is_relro
9899         virtual function.  Add new bool* parameter to place_orphan_here.
9900         Add get_output_section virtual function.
9901         (class Output_section_definition): Add set_is_relro.  Add new
9902         bool* parameter to place_orphan_here.  Add get_output_section.
9903         Add is_relro_ field.
9904         (Output_section_definition::Output_section_definition): Initialize
9905         evaluated_address_, evaluated_load_address, evaluated_addralign_,
9906         and is_relro_ fields.
9907         (Output_section_definition::place_orphan_here): Add is_relro
9908         parameter.
9909         (Output_section_definition::set_section_addresses): Set relro for
9910         output section.
9911         (Output_section_definition::alternate_constraint): Likewise.
9912         (class Orphan_output_section): Add new bool* parameter to
9913         place_orphan_here.  Add get_output_section.
9914         (Orphan_output_section::place_orphan_here): Add is_relro
9915         parameter.
9916         (Script_sections::Script_sections): Initialize
9917         data_segment_align_index_ and saw_relro_end_.
9918         (Script_sections::data_segment_align): New function.
9919         (Script_sections::data_segment_relro_end): New function.
9920         (Script_sections::place_orphan): Set or clear is_relro.
9921         (Script_sections::set_section_addresses): Force alignment of first
9922         TLS section.
9923         * yyscript.y (exp): Call script_data_segment_align and
9924         script_data_segment_relro_end.
9925         * testsuite/relro_script_test.t: New file.
9926         * testsuite/relro_test.cc (using_script): Declare.
9927         (t1, t2): Test using_script.
9928         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
9929         (relro_script_test_SOURCES): Define.
9930         (relro_script_test_DEPENDENCIES): Define.
9931         (relro_script_test_LDFLAGS): Define.
9932         (relro_script_test_LDADD): Define.
9933         (relro_script_test.so): New target.
9934         * testsuite/Makefile.in: Rebuild.
9935
9936 2008-08-06  Cary Coutant <ccoutant@google.com>
9937
9938         * archive.cc (Archive::total_archives, Archive::total_members)
9939         (Archive::total_members_loaded): New variables.
9940         (Archive::setup): Add parameter.  Add option to preread
9941         archive symbols.
9942         (Archive::read_armap): Add counter.
9943         (Archive::get_file_and_offset): New function.
9944         (Archive::get_elf_object_for_member): New function.
9945         (Archive::read_all_symbols): New function.
9946         (Archive::read_symbols): New function.
9947         (Archive::add_symbols): Add counters.
9948         (Archive::include_all_members): Use armap to find members if it's
9949         already built.
9950         (Archive::include_member): Skip reading symbols if already read.
9951         Factored code into Archive::get_file_and_offset and
9952         Archive::get_elf_object_for_member.  Changed call to
9953         Mapfile::report_include_archive_member.
9954         (Archive::print_stats): New function.
9955         * archive.h: Declare Object and Read_symbols_data classes.
9956         (Archive::Archive): Add initializers for new members.
9957         (Archive::setup): Add parameter.
9958         (Archive::print_stats): New function.
9959         (Archive::total_archives, Archive::total_members)
9960         (Archive::total_members_loaded): New variables.
9961         (Archive::get_file_and_offset): New function.
9962         (Archive::get_elf_object_for_member): New function.
9963         (Archive::read_all_symbols): New function.
9964         (Archive::read_symbols): New function.
9965         (Archive::Archive_member): New class.
9966         (Archive::members_): New member.
9967         (Archive::num_members_): New member.
9968         * main.cc: Include archive.h.
9969         (main): Call Archive::print_stats.
9970         * mapfile.cc (Mapfile::report_include_archive_member): Delete
9971         archive parameter; member_name is now the fully-decorated name.
9972         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
9973         * options.h: (General_options): Add --preread-archive-symbols option.
9974         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
9975         Archive::setup.
9976
9977 2008-08-04  Ian Lance Taylor  <iant@google.com>
9978
9979         * symtab.h (Symbol::use_plt_offset): New function.
9980         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
9981         * powerpc.cc (Relocate::relocate): Likewise.
9982         * sparc.cc (Relocate::relocate): Likewise.
9983         * x86_64.cc (Relocate::relocate): Likewise.
9984         * testsuite/weak_plt.sh: New test.
9985         * testsuite/weak_plt_main.cc: New test.
9986         * testsuite/weak_plt_shared.cc: New test.
9987         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
9988         (check_PROGRAMS): Add weak_plt.
9989         (check_DATA): Add weak_plt_shared.so.
9990         (weak_plt_main_pic.o, weak_plt): New targets.
9991         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
9992         * testsuite/Makefile.in: Rebuild.
9993
9994         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
9995         gcctestdir/ld.
9996         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
9997         * testsuite/Makefile.in: Rebuild.
9998
9999 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10000
10001         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10002         * Makefile.in: Regenerate.
10003         * po/POTFILES.in: Regenerate.
10004
10005 2008-07-29  Ian Lance Taylor  <iant@google.com>
10006
10007         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10008         symbols before other symbols.
10009         * testsuite/script_test_2.cc (test_addr): Declare.
10010         (test_addr_alias): Declare.
10011         (main): Check that test_addr and test_addr_alias have the right
10012         values.
10013         * testsuite/script_test_2.t: Define test_addr_alias and
10014         test_addr.
10015
10016 2008-07-24  Ian Lance Taylor  <iant@google.com>
10017
10018         PR 5990
10019         * descriptors.cc: New file.
10020         * descriptors.h: New file.
10021         * gold-threads.h (class Hold_optional_lock): New class.
10022         * fileread.cc: Include "descriptors.h".
10023         (File_read::~File_read): Release descriptor rather than closing
10024         it.
10025         (File_read::open) [file]: Call open_descriptor rather than open.
10026         Set is_descriptor_opened_.
10027         (File_read::open) [memory]: Assert that descriptor is not open.
10028         (File_read::reopen_descriptor): New function.
10029         (File_read::release): Release descriptor.
10030         (File_read::do_read): Make non-const.  Reopen descriptor.
10031         (File_read::read): Make non-const.
10032         (File_read::make_view): Reopen descriptor.
10033         (File_read::do_readv): Likewise.
10034         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10035         Update declarations.
10036         * layout.cc: Include "descriptors.h".
10037         (Layout::create_build_id): Use open_descriptor rather than open.
10038         * output.cc: Include "descriptors.h".
10039         (Output_file::open): Use open_descriptor rather than open.
10040         * archive.cc (Archive::const_iterator): Change Archive to be
10041         non-const.
10042         (Archive::begin, Archive::end): Make non-const.
10043         (Archive::count_members): Likewise.
10044         * archive.h (class Archive): Update declarations.
10045         * object.h (Object::read): Make non-const.
10046         * Makefile.am (CCFILES): Add descriptors.cc.
10047         (HFILES): Add descriptors.h.
10048         * Makefile.in: Rebuild.
10049
10050         PR 6716
10051         * gold.h: Always include <clocale>.  Add Solaris workarounds
10052         following code in binutils/sysdep.h.
10053
10054         PR 6048
10055         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10056         this->eh_frame_hdr_ is NULL before using it.
10057
10058         * dynobj.cc (Versions::Versions): Update comment.
10059
10060         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10061         the base version name.
10062
10063         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10064         array size plus one.
10065         (Stringpool_template::set_string_offsets): Subtract one from key
10066         before using it as an array index.
10067         (Stringpool_template::get_offset_with_length): Likewise.
10068         (Stringpool_template::write_to_buffer): Likewise.
10069         * stringpool.h (Stringpool_template::get_offset_from_key):
10070         Likewise.
10071
10072 2008-07-23  Ian Lance Taylor  <iant@google.com>
10073
10074         PR 6658
10075         * object.h (Merged_symbol_value::value): Do our best to handle a
10076         negative addend.
10077
10078         PR 6647
10079         * script.cc (Version_script_info::get_versions): Don't add empty
10080         version tag to return value.
10081         (Version_script_info::get_symbol_version_helper): Change return
10082         type to bool.  Add pversion parameter.  Change all callers.
10083         (script_register_vers_node): Don't require a non-NULL tag.
10084         * script.h (class Version_script_info): Update declarations.
10085         (Version_script_info::get_symbol_version): Change return type to
10086         bool.  Add version parameter.  Change all callers.
10087         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10088         handling.  Handle an empty version from a version script.
10089         (Symbol_table::define_special_symbol): Likewise.
10090         * testsuite/ver_test_10.script: New file.
10091         * testsuite/ver_test_10.sh: New file.
10092         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10093         (check_DATA): Add ver_test_10.syms.
10094         (ver_test_10.syms, ver_test_10.so): New target.
10095         * testsuite/Makefile.in: Rebuild.
10096
10097 2008-07-23  Simon Baldwin  <simonb@google.com>
10098
10099         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10100         to zero for undefined symbols from dynamic libraries.
10101
10102 2008-07-23  Ian Lance Taylor  <iant@google.com>
10103
10104         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10105         Change all callers.
10106         * symtab.h (class Symbol_table): Update declaration.
10107         * testsuite/ver_test_9.cc: New file.
10108         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10109         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10110         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10111         (ver_test_9.so, ver_test_9.o): New targets.
10112         * testsuite/Makefile.in: Rebuild.
10113
10114 2008-07-22  Ian Lance Taylor  <iant@google.com>
10115
10116         * options.h (class General_options): Define --check-sections.
10117         * layout.cc (Layout::set_segment_offsets): Handle
10118         --check-sections.
10119
10120         * options.h (class General_options): Define -n/--nmagic and
10121         -N/--omagic.
10122         * options.cc (General_options::finalize): For -n/--nmagic or
10123         -N/--omagic, set -static.
10124         * layout.cc (Layout::attach_allocated_section_to_segment): If
10125         -N/--omagic, don't put read-only and read-write sections in
10126         different segments.
10127         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10128         finding a read-only segment.
10129         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10130         don't set the minimum segment alignment to the common page size,
10131         and don't set the file offset to the address modulo the page size.
10132         * script-sections.cc (Script_sections::create_segments): If
10133         -n/--omagic, don't put read-only and read-write sections in
10134         different segments.
10135
10136         * cref.cc: New file.
10137         * cref.h: New file.
10138         * options.h (class General_options): Add --print-symbol-counts.
10139         * main.cc (main): Issue defined symbol report if requested.
10140         * archive.cc (Archive::interpret_header): Make into a const member
10141         function.
10142         (Archive::add_symbols): Call Input_objects::archive_start and
10143         archive_stop.
10144         (Archive::const_iterator): Define new class.
10145         (Archive::begin, Archive::end): New functions.
10146         (Archive::include_all_members): Rewrite to use iterator.
10147         (Archive::count_members): New function.
10148         * archive.h (class Archive): Update declarations.
10149         (Archive::filename): New function.
10150         * object.cc: Include "cref.h".
10151         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10152         (Sized_relobj::do_get_global_symbol_counts): New function.
10153         (Input_objects::add_object): Add object to cross-referencer.
10154         (Input_objects::archive_start): New function.
10155         (Input_objects::archive_stop): New function.
10156         (Input_objects::print_symbol_counts): New function.
10157         * object.h: Declare Cref and Archive.
10158         (Object::get_global_symbol_counts): New function.
10159         (Object::do_get_global_symbol_counts): New pure virtual function.
10160         (class Sized_relobj): Add defined_count_ field.  Update
10161         declarations.
10162         (class Input_objects): Add cref_ field.  Update constructor.
10163         Update declarations.
10164         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10165         defined_count_.
10166         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10167         symbol counts.
10168         (Sized_dynobj::do_get_global_symbol_counts): New function.
10169         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10170         defined_count_.  Update declarations.  Define Symbols typedef.
10171         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10172         parameter.  Change all callers.
10173         (Symbol_table::add_from_dynobj): Add sympointers and defined
10174         parameters.  Change all callers.
10175         * symtab.h (class Symbol_table): Update declarations.
10176         * Makefile.am (CCFILES): Add cref.cc.
10177         (HFILES): Add cref.h.
10178         * Makefile.in: Rebuild.
10179
10180 2008-07-22  Simon Baldwin  <simonb@google.com>
10181
10182         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10183         to zero when writing undefined symbols.
10184
10185 2008-07-22  Ian Lance Taylor  <iant@google.com>
10186
10187         * output.cc (Output_section::add_input_section): Don't try to
10188         merge empty merge sections.
10189
10190 2008-07-21  Craig Silverstein  <csilvers@google.com>
10191
10192         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10193         Include symbol version in error message.
10194
10195 2008-07-20  Chris Demetriou  <cgd@google.com>
10196
10197         * configure.ac (gold_cv_c_random_seed): New configured variable.
10198         (RANDOM_SEED_CFLAGS): New substituted variable.
10199         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10200         * configure: Rebuild.
10201         * Makefile.in: Likewise.
10202         * testsuite/Makefile.in: Likewise.
10203
10204 2008-07-18  Ian Lance Taylor  <iant@google.com>
10205
10206         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10207         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10208         * testsuite/ver_test_main.cc (main): Call t4.
10209         (t4, t4_2a): Define.
10210         * testsuite/ver_test_2.cc (t4_2): Define.
10211         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10212         * testsuite/ver_test_4.cc (t4_2a): Define.
10213         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10214         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10215
10216 2008-07-17  Ian Lance Taylor  <iant@google.com>
10217
10218         * dynobj.cc (Versions::add_def): If we give an error about a
10219         missing version, go ahead and create the version anyhow.
10220
10221 2008-07-10  Ian Lance Taylor  <iant@google.com>
10222
10223         Handle output sections with more than 0x7fffffff bytes.
10224         * object.h (class Relobj): Change map_to_output_ to
10225         output_sections_, and just keep a section pointer.  Change all
10226         uses.  Move comdat group support to Sized_relobj.
10227         (Relobj::is_section_specially_mapped): Remove.
10228         (Relobj::output_section): Remove poff parameter.  Change all
10229         callers.
10230         (Relobj::output_section_offset): New function.
10231         (Relobj::set_section_offset): Rewrite.
10232         (Relobj::map_to_output): Remove.
10233         (Relobj::output_sections): New function.
10234         (Relobj::do_output_section_offset): New pure virtual function.
10235         (Relobj::do_set_section_offset): Likewise.
10236         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10237         group support from Relobj.  Update declarations.
10238         (Sized_relobj::get_output_section_offset): New function.
10239         (Sized_relobj::do_output_section_offset): New function.
10240         (Sized_relobj::do_set_section_offset): New function.
10241         * object.cc (Relobj::output_section_address): Remove.
10242         (Sized_relobj::Sized_relobj): Initialize new fields.
10243         (Sized_relobj::include_section_group): Cast find_kept_object to
10244         Sized_relobj.
10245         (Sized_relobj::include_linkonce_section): Likewise.
10246         (Sized_relobj::do_layout): Use separate arrays for output section
10247         and output offset.
10248         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10249         output_sections.
10250         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10251         output_sections and section_offsets.
10252         (Sized_relobj::write_local_symbols): Likewise.
10253         (map_to_kept_section): Compute output address directly.
10254         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10255         output_sections and section_offsets.
10256         (Sized_relobj::write_sections): Likewise.
10257         (Sized_relobj::relocate_sections): Likewise.
10258         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10259         * output.h (class Output_reloc): Update declarations.  Change
10260         u2_.relobj to Sized_relobj*.
10261         (class Output_data_reloc): Change add functions to use
10262         Sized_relobj*.
10263         * output.cc (Output_reloc::Output_reloc): Change relobj to
10264         Sized_relobj*.
10265         (Output_reloc::local_section_offset): Change return type to
10266         Elf_Addr.  Use get_output_section_offset.
10267         (Output_reloc::get_address): Likewise.
10268         (Output_section::is_input_address_mapped): Don't call
10269         is_section_specially_mapped.
10270         (Output_section::output_offset): Likewise.
10271         (Output_section::output_address): Likewise.
10272         (Output_section::starting_output_address): Likewise.
10273         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10274         parameter to Sized_relobj*.
10275         (Copy_relocs::need_copy_reloc): Likewise.
10276         (Copy_relocs::save): Likewise.
10277         * copy-relocs.h (class Copy_relocs): Update declarations.
10278         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10279         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10280         * target-reloc.h (relocate_for_relocatable): Change
10281         offset_in_output_section type to Elf_Addr.  Change code that uses
10282         it as well.
10283         * layout.cc (Layout::layout): Always set *off.
10284         * mapfile.cc (Mapfile::print_input_section): Use
10285         output_section_offset.
10286         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10287         Sized_relobj*.
10288         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10289         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10290         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10291
10292 2008-07-03  Ian Lance Taylor  <iant@google.com>
10293
10294         * layout.cc (Layout::include_section): Do not discard unrecognized
10295         SHT_STRTAB sections.
10296
10297 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10298
10299         * script.cc (Lex::can_continue_name): Make '?' allowable in
10300         version-script names.
10301         * testsuite/version_script.map: Change glob pattern to use '?'
10302
10303 2008-06-30  Manish Singh  <yosh@gimp.org>
10304
10305         PR 6585
10306         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10307         Correct typo.
10308
10309 2008-06-30  Ian Lance Taylor  <iant@google.com>
10310
10311         PR 6660
10312         PR 6682
10313         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10314         versions]: Don't try to read the value in the contents, since we
10315         don't use it.  Use the template endianness when writing.
10316
10317 2008-06-25  Cary Coutant  <ccoutant@google.com>
10318
10319         * fileread.cc (File_read::make_view): Assert on zero-length view.
10320         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10321         symbol table when there are no symbols to read.
10322
10323 2008-06-23  Craig Silverstein  <csilvers@google.com>
10324
10325         * version.cc (version_string): Bump to 1.7
10326
10327 2008-06-18  Craig Silverstein  <csilvers@google.com>
10328
10329         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10330         constant 0xFFFF to type Valtype.
10331         (Powerpc_relocate_functions::rel16_ha): Likewise.
10332
10333 2008-06-17  Ian Lance Taylor  <iant@google.com>
10334
10335         * output.h (Output_section::Input_section): Initialize p2align_ to
10336         zero for Output_section_data constructors.
10337         (Output_section::Input_section::addralign): If not an input
10338         section, return the alignment of the Output_section_data.
10339         * testsuite/copy_test.cc: New file.
10340         * testsuite/copy_test_1.cc: New file.
10341         * testsuite/copy_test_2.cc: New file.
10342         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10343         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10344         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10345         (copy_test_1_pic.o, copy_test_1.so): New targets.
10346         (copy_test_2_pic.o, copy_test_2.so): New targets.
10347         * testsuite/Makefile.in: Rebuild.
10348
10349         * script-sections.cc (Script_sections::place_orphan): Initialize
10350         local variable exact.
10351
10352 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10353
10354         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10355
10356 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10357             David S. Miller  <davem@davemloft.net>
10358
10359         * powerpc.cc: New file.
10360         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10361         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10362         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10363         * Makefile.in: Rebuild.
10364
10365 2008-06-09  Ian Lance Taylor  <iant@google.com>
10366
10367         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10368         <exception>.
10369         (throwing, orig_terminate): New static variables.
10370         (terminate_handler): New static function.
10371         (t2): Set terminate handler.
10372
10373 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10374
10375         PR 6584
10376         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10377         alignment.
10378
10379 2008-05-30  Cary Coutant  <ccoutant@google.com>
10380
10381         * archive.cc (Archive::include_all_members) Correct to step
10382         over symbol table and extended name table in thin archives.
10383
10384 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10385
10386         PR 6407
10387         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10388         calculation.
10389
10390 2008-05-28  Caleb Howe  <cshowe@google.com>
10391
10392         * reduced_debug_output.cc: New file.
10393         * reduced_debug_output.h: New file.
10394         * options.h (class General_options): Add --strip-debug-non-line.
10395         * options.cc (General_options::finalize): Add strip_debug_non_line
10396         to the strip heirarchy.
10397         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10398         fields.
10399         * layout.cc: Include "reduced_debug_output.h".
10400         (Layout::Layout): Initialize new fields.
10401         (line_only_debug_sections): New static array.
10402         (is_lines_only_debug_sections): New static inline function.
10403         (Layout::include_section): Handle --strip-debug-non-line.
10404         (Layout::make_output_section): If --strip-debug-non-line, build
10405         new output sections for .debug_abbrev and .debug_info.
10406         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10407         gold.  Warn about possible overflow.
10408         (read_signed_LEB_128): Likewise.
10409         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10410         (read_signed_LEB_128): Declare.
10411         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10412         (HFILES): Add reduced_debug_output.h.
10413         * Makefile.in: Rebuild.
10414
10415 2008-05-21  Ian Lance Taylor  <iant@google.com>
10416
10417         * mapfile.cc: New file.
10418         * mapfile.h: New file.
10419         * options.h (class General_options): Add -M/--print-map and -Map.
10420         * options.cc (General_options::finalize): Make -M equivalent to
10421         -Map -.
10422         * main.cc: Include <cstdio> and "mapfile.h".
10423         (main): Open mapfile if requested.
10424         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10425         constructor.  Change caller.
10426         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10427         (queue_middle_tasks): Likewise.
10428         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10429         declarations.
10430         * archive.cc: Include "mapfile.h".
10431         (Archive::add_symbols): Add mapfile parameter.  Change all
10432         callers.  Pass mapfile, symbol, and reason to include_member.
10433         (Archive::include_all_members): Add mapfile parameter.  Change all
10434         callers.
10435         (Archive::include_member): Add mapfile, sym, and why parameters.
10436         Change all callers.  Report inclusion to map file.
10437         * archive.h: Include "fileread.h".
10438         (class Archive): Update declarations.
10439         (Archive::file): New const method.
10440         (class Add_archive_symbols): Add mapfile_ field.  Update
10441         constructor.  Change all callers.
10442         * readsyms.h (class Read_symbols): Likewise.
10443         (class Finish_group): Likewise.
10444         (class Read_script): Likewise.
10445         * common.cc: Include "mapfile.h".
10446         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10447         all callers.
10448         (Symbol_table::do_allocate_commons): Likewise.
10449         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10450         symbol allocation to mapfile.
10451         * common.h (class Allocate_commons_task): Add mapfile_ field.
10452         Update constructor.  Change all callers.
10453         * symtab.h (class Symbol_table): Update declarations.
10454         * layout.cc: Include "mapfile.h".
10455         (Layout_task_runner::run): Print information to mapfile.
10456         (Layout::create_gold_note): Change Output_data_fixed_space to
10457         Output_data_zero_fill.
10458         (Layout::create_build_id): Likewise.
10459         (Layout::print_to_mapfile): New function.
10460         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10461         constructor.  Change caller.
10462         (class Layout): Declare print_to_mapfile.
10463         * output.cc (Output_section::Input_section::print_to_mapfile): New
10464         function.
10465         (Output_section::add_input_section): If producing a map, always
10466         add to input_sections_ list.
10467         (Output_section::do_print_to_mapfile): New function.
10468         (Output_segment::print_sections_to_mapfile): New function.
10469         (Output_segment::print_section_list_to_mapfile): New function.
10470         * output.h: Include "mapfile.h".
10471         (Output_data::print_to_mapfile): New function.
10472         (Output_data::do_print_to_mapfile): New virtual function.
10473         (Output_segment_headers::do_print_to_mapfile): New function.
10474         (Output_file_header::do_print_to_mapfile): New function.
10475         (Output_data_const::do_print_to_mapfile): New function.
10476         (class Output_data_const_buffer): Add map_name_ field.  Update
10477         constructor.  Change all callers.  Add do_print_to_mapfile
10478         function.
10479         (class Output_data_fixed_space): Likewise.
10480         (class Output_data_space): Likewise.
10481         (class Output_data_zero_fill): New class.
10482         (Output_data_strtab::do_print_to_mapfile): New function.
10483         (Output_data_reloc_base::do_print_to_mapfile): New function.
10484         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10485         (Output_data_group::do_print_to_mapfile): New function.
10486         (Output_data_got::do_print_to_mapfile): New function.
10487         (Output_data_dynamic::do_print_to_mapfile): New function.
10488         (Output_symtab_xindex::do_print_to_mapfile): New function.
10489         (class Output_section): Declare do_print_to_mapflie.  Declare
10490         print_to_mapfile in Input_section.
10491         (class Output_segment): Declare new functions.
10492         * object.h (Sized_relobj::symbol_count): New function.
10493         * script-sections.cc
10494         (Output_section_element_dot_assignment::set_section_addresses):
10495         Change Output_data_fixed_space to Output_data_zero_fill.
10496         (Output_data_expression::do_print_to_mapfile): New function.
10497         * script.cc (read_input_script): Add mapfile parameter.  Change
10498         all callers.
10499         * script.h (read_input_script): Update declaration.
10500         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10501         (Eh_frame::do_print_to_mapfile): New function.
10502         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10503         (Output_merge_string::do_print_to_mapfile): New function.
10504         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10505         function.
10506         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10507         function.
10508         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10509         function.
10510         * Makefile.am (CCFILES): Add mapfile.cc.
10511         (HFILES): Add mapfile.h.
10512         * Makefile.in: Rebuild.
10513
10514 2008-05-19  Ian Lance Taylor  <iant@google.com>
10515
10516         * options.h (class General_options): Add -z relro.
10517         * layout.cc (Layout::Layout): Initialize relro_segment_.
10518         (Layout::add_output_section_data): Return the output section.
10519         (Layout::make_output_section): Rcognize relro sections and mark
10520         them appropriately.
10521         (Layout::attach_allocated_section_to_segment): Put relro sections
10522         in a PT_GNU_RELRO segment.
10523         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10524         section as relro.
10525         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10526         PT_TLS segments.
10527         (Layout::linkonce_mapping): Map d.rel.ro.local to
10528         .data.rel.ro.local.
10529         (Layout::output_section_name): Us .data.rel.ro.local for any
10530         section which begins with that.
10531         * layout.h (class Layout): Update add_output_section_data
10532         declaration.  Add relro_segment_ field.
10533         * output.cc (Output_section::Output_section): Initialize is_relro_
10534         and is_relro_local_ fields.
10535         (Output_segment::add_output_section): Group relro sections.
10536         (Output_segment::is_first_section_relro): New function.
10537         (Output_segment::maximum_alignment): If there is a relro section,
10538         align the segment to the common page size.
10539         (Output_segment::set_section_addresses): Track whether we are
10540         looking at relro sections.  If the last section is a relro
10541         section, align to the common page size.
10542         (Output_segment::set_section_list_addresses): Add in_relro
10543         parameter.  Change all callers.  Align to the page size when
10544         moving from relro to non-relro section.
10545         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10546         segment.
10547         * output.h (class Output_section): Add is_relro_ and
10548         is_relro_local_ fields.
10549         (Output_section::is_relro): New function.
10550         (Output_section::set_is_relro): New function.
10551         (Output_section::is_relro_local): New function.
10552         (Output_section::set_is_relro_local): New function.
10553         (class Output_segment): Update declarations.
10554         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10555         * sparc.cc (Target_sparc::got_section): Likewise.
10556         * x86_64.cc (Target_x86_64::got_section): Likewise.
10557         * testsuite/relro_test_main.cc: New file.
10558         * testsuite/relro_test.cc: New file.
10559         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10560         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10561         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10562         (relro_test.so, relro_test_pic.o): New targets.
10563         * testsuite/Makefile.in: Rebuild.
10564
10565 2008-05-16  Ian Lance Taylor  <iant@google.com>
10566
10567         * output.cc (Output_segment::add_output_section): Remove front
10568         parameter.
10569         * output.h (class Output_segment): Remove
10570         add_initial_output_section and overloaded add_output_section.
10571         Update declaration of remaining add_output_section.
10572         * layout.cc (Layout::create_interp): Call add_output_section
10573         rather than add_initial_output_section.
10574         (Layout::finish_dynamic_section): Likewise.
10575
10576         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10577         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10578         know the dynamic type.
10579         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10580         field.  Initialize it in constructor.
10581         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10582         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10583         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10584         reloc.
10585
10586         * output.cc (Output_reloc::get_address): Change return type to
10587         Elf_Addr.
10588         * output.h (class Output_reloc): Update get_address declaration.
10589         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10590         for section addresses.
10591
10592 2008-05-09  Ian Lance Taylor  <iant@google.com>
10593
10594         PR 6493
10595         * gold.cc (gold_nomem): Use return value of write.
10596
10597 2008-05-08  Ian Lance Taylor  <iant@google.com>
10598
10599         * symtab.c (Symbol::init_base_output_data): Add version
10600         parameter.  Change all callers.
10601         (Symbol::init_base_output_segment): Likewise.
10602         (Symbol::init_base_constant): Likewise.
10603         (Symbol::init_base_undefined): Likewise.
10604         (Sized_symbol::init_output_data): Likewise.
10605         (Sized_symbol::init_output_segment): Likewise.
10606         (Sized_symbol::init_constant): Likewise.
10607         (Sized_symbol::init_undefined): Likewise.
10608         (Symbol_table::do_define_in_output_data): If the new symbol has a
10609         version, mark it as the default.
10610         (Symbol_table::do_define_in_output_segment): Likewise.
10611         (Symbol_table::do_define_as_constant): Likewise.
10612         * symtab.h (class Symbol): Update declarations.
10613         (class Sized_symbol): Likewise.
10614         * resolve.cc (Symbol::override_version): New function.
10615         (Symbol::override_base): Call override_version.
10616         (Symbol::override_base_with_special): Likewise.
10617         * testsuite/ver_script_8.script: New file.
10618         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10619         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10620         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10621         (ver_test_8_1.so, ver_test_8_2.so): New targets.
10622
10623 2008-05-06  Ian Lance Taylor  <iant@google.com>
10624
10625         PR 6049
10626         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10627         functions.
10628         (class General_options): Remove existing --undefined, and add
10629         --no-undefined instead.  Add new --undefined as synonym for -u.
10630         * archive.cc (Archive::add_symbols): Check whether symbol was
10631         named with -u.
10632         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10633         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10634         all uses.  Add IS_UNDEFINED.  Update declarations to split
10635         different versions of init_base.  Declare init_base_undefined.
10636         (Symbol::is_defined): Handle IS_UNDEFINED.
10637         (Symbol::is_undefined): Likewise.
10638         (Symbol::is_weak_undefined): Call is_undefined.
10639         (Symbol::is_absolute): Handle IS_CONSTANT.
10640         (class Sized_symbol): Update declarations to split different
10641         versions of init.  Declare init_undefined.
10642         (class Symbol_table): Declare new functions.
10643         * symtab.cc (Symbol::init_base_object): Rename from init_base.
10644         Change all callers.
10645         (Symbol::init_base_output_data): Likewise.
10646         (Symbol::init_base_output_segment): Likewise.
10647         (Symbol::init_base_constant): Likewise.
10648         (Symbol::init_base_undefined): New function.
10649         (Sized_symbol::init_object): Rename from init.  Change all
10650         callers.
10651         (Sized_symbol::init_output_data): Likewise.
10652         (Sized_symbol::init_output_segment): Likewise.
10653         (Sized_symbol::init_constant): Likewise.
10654         (Sized_symbol::init_undefined): New function.
10655         (Symbol_table::add_undefined_symbols_from_command_line): New
10656         function.
10657         (Symbol_table::do_add_undefined_symbols_from_command_line): New
10658         function.
10659         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
10660         (Symbol::output_section): Likewise.
10661         (Symbol::set_output_section): Likewise.
10662         (Symbol_table::sized_finalize_symbol): Likewise.
10663         (Symbol_table::sized_write_globals): Likewise.
10664         * resolve.cc (Symbol_table::should_override): Likewise.
10665         (Symbol::override_base_with_special): Likewise.
10666
10667         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
10668         symbol, change it to have default visibility.
10669         * testsuite/protected_1.cc: New file.
10670         * testsuite/protected_2.cc: New file.
10671         * testsuite/protected_3.cc: New file.
10672         * testsuite/protected_main_1.cc: New file.
10673         * testsuite/protected_main_2.cc: New file.
10674         * testsuite/protected_main_3.cc: New file.
10675         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
10676         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
10677         (protected_1_LDFLAGS, protected_1_LDADD): Define.
10678         (protected_1.so): New target.
10679         (protected_1_pic.o, protected_2_pic.o): New targets.
10680         (protected_3_pic.o): New target.
10681         (check_PROGRAMS): Add protected_2.
10682         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
10683         (protected_2_LDFLAGS, protected_2_LDADD): Define.
10684         * testsuite/Makefile.in: Rebuild.
10685
10686         * options.h (DEFINE_var): Add set_user_set_##varname__.
10687         (DEFINE_bool_alias): New macro.
10688         (class General_options): Define -Bstatic using DEFINE_bool_alias
10689         rather than DEFINE_special.  Add --undefined as an alias for -z
10690         defs.
10691         * options.cc (General_options::parse_Bstatic): Remove.
10692
10693         * options.h (class General_options): Add --fatal-warnings.
10694         * main.cc (main): Implement --fatal-warnings.
10695         * errors.h (Errors::warning_count): New function.
10696
10697         * options.h (class General_options): Add -Bsymbolic-functions.
10698         * symtab.h (Symbol::is_preemptible): Check for
10699         -Bsymbolic-functions.
10700
10701 2008-05-05  Ian Lance Taylor  <iant@google.com>
10702
10703         * options.h (DEFINE_bool): For DASH_Z, create the negative option
10704         as noVARNAME rather than no-VARNAME.
10705         (class General_options): Add option -z combreloc.
10706         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
10707         get_address.
10708         (Output_reloc::sort_before) [SHT_REL]: New function.
10709         (Output_reloc::sort_before) [SHT_RELA]: New function.
10710         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
10711         Sort_relocs_comparison.
10712         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
10713         parameter.  Change all callers.
10714         (Output_data_reloc::Output_data_reloc) [both versions]: Add
10715         sort_relocs parameter.  Change all callers.
10716         * output.cc (Output_reloc::get_address): New function, broken out
10717         of write_rel.
10718         (Output_reloc::write_rel): Call it.
10719         (Output_reloc::compare): New function.
10720         (Output_data_reloc_base::do_write): Optionally sort relocs.
10721
10722         * configure.ac: If targ_extra_obj is set, link it in.
10723         * configure.tgt: Initialize all variables.
10724         (x86_64*): Set targ_extra_obj and targ_extra_size.
10725         * configure: Rebuild.
10726
10727         * object.cc (Sized_relobj::include_section_group): Adjust section
10728         indexes read from group data.  Build vector to pass to
10729         layout_group.
10730         * layout.cc (Layout::layout_group): Add flags and shndxes
10731         parameters.  Remove contents parameter.  Change caller.  Update
10732         explicit instantiations.
10733         * layout.h (class Layout): Update layout_group declaration.
10734         * output.cc (Output_data_group::Output_data_group): Add flags and
10735         input_shndxes parameters.  Remove contents parameter.  Change
10736         caller.
10737         (Output_data_group::do_write): Change input_sections_ to
10738         input_shndxes_.
10739         * output.h (class Output_data_group): Update constructor
10740         declaration.  Rename input_sections_ to input_shndxes_.
10741         * testsuite/many_sections_test.cc: Add template.
10742
10743 2008-04-30  Cary Coutant  <ccoutant@google.com>
10744
10745         * target-reloc.h (relocate_section): Fix dead-pointer bug.
10746
10747         * layout.cc (Layout::include_section): Refactored check for debug
10748         info section.
10749         (Layout::add_comdat): Add new parameters.  Change type
10750         of signature parameter.  Add object and shndx to signatures table.
10751         (Layout::find_kept_object): New function.
10752         * layout.h: Include <cstring>.
10753         (Layout::is_debug_info_section): New function.
10754         (Layout::add_comdat): Add new parameters.
10755         (Layout::find_kept_object): New function.
10756         (Layout::Kept_section): New struct.
10757         (Layout::Signatures): Change type of map range.
10758         * object.cc (Relobj::output_section_address): New function.
10759         (Sized_relobj::include_section_group): Add new parameters.  Change
10760         calls to Layout::add_comdat.  Change to build table of kept comdat
10761         groups and table mapping discarded sections to kept sections.
10762         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
10763         (Sized_relobj::do_layout): Change calls to include_section_group and
10764         include_linkonce_section.
10765         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
10766         value to zero when section is discarded.
10767         (Sized_relobj::map_to_kept_section): New function.
10768         * object.h (Relobj::output_section_address): New function.
10769         (Relobj::Comdat_group): New type.
10770         (Relobj::find_comdat_group): New function.
10771         (Relobj::Comdat_group_table): New type.
10772         (Relobj::Kept_comdat_section): New type.
10773         (Relobj::Kept_comdat_section_table): New type.
10774         (Relobj::add_comdat_group): New function.
10775         (Relobj::set_kept_comdat_section): New function.
10776         (Relobj::get_kept_comdat_section): New function.
10777         (Relobj::comdat_groups_): New field.
10778         (Relobj::kept_comdat_sections_): New field.
10779         (Symbol_value::input_value): Update comment.
10780         (Sized_relobj::map_to_kept_section) New function.
10781         (Sized_relobj::include_linkonce_section): Add new parameter.
10782         * target-reloc.h (Comdat_behavior): New type.
10783         (get_comdat_behavior): New function.
10784         (relocate_section): Add code to map a discarded section to the
10785         corresponding kept section when applying a relocation.
10786
10787 2008-04-30  Craig Silverstein  <csilvers@google.com>
10788
10789         * dwarf_reader.cc (next_generation_count): New static var.
10790         (Addr2line_cache_entry): New struct.
10791         (addr2line_cache): New static var.
10792         (Dwarf_line_info::one_addr2line): Added caching.
10793         (Dwarf_line_info::clear_addr2line_cache): New function.
10794         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
10795         cache-size parameter.
10796         (Dwarf_line_info::one_addr2line_cache): New function.
10797         * symtab.cc (Symbol_table::detect_odr_violations): Pass
10798         new cache-size argument to one_addr2line(), and clear cache.
10799
10800 2008-04-28  Cary Coutant  <ccoutant@google.com>
10801
10802         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
10803         R_386_PC8 relocations.
10804
10805 2008-04-23  Ian Lance Taylor  <iant@google.com>
10806
10807         * object.cc (Sized_relobj::include_section_group): Check for
10808         invalid section group.
10809
10810         * object.cc (make_elf_object): Correct test for 64-bit ELF file
10811         header size.
10812
10813         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
10814         than read for file header.
10815         * archive.cc (Archive::include_member): Likewise.
10816
10817 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
10818
10819         * aclocal.m4: Regenerate.
10820         * configure: Regenerate.
10821
10822 2008-04-19  Ian Lance Taylor  <iant@google.com>
10823
10824         * version.cc (version_string): Bump to 1.6.
10825
10826         * testsuite/Makefile.am (many_sections_r_test): New target.
10827         (many_sections_r_test_SOURCES): Remove.
10828         (many_sections_r_test_DEPENDENCIES): Remove.
10829         (many_sections_r_test_LDFLAGS): Remove.
10830         (many_sections_r_test_LDADD): Remove.
10831
10832         * object.cc (Sized_relobj::do_add_symbols): Always pass
10833         local_symbol_count_ to add_from_relobj.
10834
10835         * testsuite/Makefile.am (many_sections_check.h): Only check one in
10836         every thousand variables.
10837         * testsuite/Makefile.in: Rebuild.
10838
10839         * object.cc (Xindex::initialize_symtab_xindex): New function.
10840         (Xindex::read_symtab_xindex): New function.
10841         (Xindex::sym_xindex_to_shndx): New function.
10842         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
10843         available.
10844         (Sized_relobj::do_initialize_xindex): New function.
10845         (Sized_relobj::do_read_symbols): Adjust section links.
10846         (Sized_relobj::symbol_section_and_value): Add is_ordinary
10847         parameter.  Change all callers.
10848         (Sized_relobj::include_section_group): Adjust section links and
10849         symbol section indexes.
10850         (Sized_relobj::do_layout): Adjust section links.
10851         (Sized_relobj::do_count_local_symbols): Adjust section links and
10852         symbol section indexes.
10853         (Sized_relobj::do_finalize_local_symbols): Distinguish between
10854         ordinary and special symbols.
10855         (Sized_relobj::write_local_symbols): Add symtab_xindex and
10856         dynsym_xindex parameters.  Change all callers.  Adjust section
10857         links.  Use SHN_XINDEX when needed.
10858         (Sized_relobj::get_symbol_location_info): Adjust section links.
10859         Don't get fooled by special symbols.
10860         * object.h (class Xindex): Define.
10861         (class Object): Add xindex_ parameter.  Declare virtual functoin
10862         do_initialize_xindex.
10863         (Object::adjust_sym_shndx): New function.
10864         (Object::set_xindex): New protected function.
10865         (class Symbol_value): Add is_ordinary_shndx_ field.
10866         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
10867         (Symbol_value::value): Assert ordinary section.
10868         (Symbol_value::initialize_input_to_output_map): Likewise.
10869         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
10870         Change all callers.
10871         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
10872         all callers.
10873         (class Sized_relobj): Update declarations.
10874         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
10875         parameter.  Change all callers.
10876         (Sized_relobj::adjust_shndx): New function.
10877         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
10878         field.
10879         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
10880         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
10881         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
10882         (Sized_dynobj::read_dynsym_section): Adjust section links.
10883         (Sized_dynobj::read_dynamic): Likewise.
10884         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
10885         section links.
10886         (Sized_dynobj::do_initialize_xindex): New function.
10887         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
10888         do_initialize_xindex.
10889         (Sized_dynobj::adjust_shndx): New function.
10890         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
10891         dynsym_xindex_ fields.
10892         (Layout::finalize): Add a call to set_section_indexes before
10893         creating the symtab sections.
10894         (Layout::set_section_indexes): Don't do anything if the section
10895         already has a section index.
10896         (Layout::create_symtab_sections): Add shnum parameter.  Change
10897         caller.  Create .symtab_shndx section if needed.
10898         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
10899         caller.
10900         (Layout::allocated_output_section_count): New function.
10901         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
10902         needed.
10903         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
10904         fields.  Update declarations.
10905         (Layout::symtab_xindex): New function.
10906         (Layout::dynsym_xindex): New function.
10907         (class Write_symbols_task): Add layout_ field.
10908         (Write_symbols_task::Write_symbols_task): Add layout parameter.
10909         Change caller.
10910         * output.cc (Output_section_headers::Output_section_headers): Add
10911         shstrtab_section parameter.  Change all callers.
10912         (Output_section_headers::do_sized_write): Store overflow values
10913         for section count and section string table section index in
10914         section header zero.
10915         (Output_file_header::do_sized_write): Check for overflow of
10916         section count and section string table section index.
10917         (Output_symtab_xindex::do_write): New function.
10918         (Output_symtab_xindex::endian_do_write): New function.
10919         * output.h (class Output_section_headers): Add shstrtab_section_.
10920         Update declarations.
10921         (class Output_symtab_xindex): Define.
10922         (Output_section::has_out_shndx): New function.
10923         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
10924         field.
10925         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
10926         Change all callers.
10927         (Sized_symbol::init): Likewise.
10928         (Symbol::output_section): Check for ordinary symbol.
10929         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
10930         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
10931         callers.
10932         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
10933         Change all callers.  Simplify handling of symbols from sections
10934         not included in the link.
10935         (Symbol_table::add_from_dynobj): Handle ordinary symbol
10936         distinction.
10937         (Weak_alias_sorter::operator()): Assert that symbols are
10938         ordinary.
10939         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
10940         distinction.
10941         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
10942         parameters.  Change all callers.
10943         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
10944         symbol distinction.  Use SHN_XINDEX when needed.
10945         (Symbol_table::write_section_symbol): Add symtab_xindex
10946         parameter.  Change all callers.
10947         (Symbol_table::sized_write_section_symbol): Likewise.  Use
10948         SHN_XINDEX when needed.
10949         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
10950         declarations.
10951         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
10952         (Symbol::is_defined): Check is_ordinary.
10953         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
10954         (Symbol::is_absolute, Symbol::is_common): Likewise.
10955         (class Sized_symbol): Update declarations.
10956         (class Symbol_table): Update declarations.
10957         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
10958         parameters.  Change all callers.
10959         (Sized_symbol::override): Likewise.
10960         (Symbol_table::override): Likewise.
10961         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
10962         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
10963         is_ordinary, and orig_st_shndx parameters.  Change all callers.
10964         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
10965         to be in an ordinary section.
10966         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
10967         object and is_ordinary parameters.  Change all callers.
10968         (Sized_dwarf_line_info::read_relocs): Add object parameter.
10969         Change all callers.  Don't add undefined or non-ordinary symbols
10970         to reloc_map_.
10971         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
10972         Change all callers.
10973         * dwarf_reader.h (class Sized_dwarf_line_info): Update
10974         declarations.
10975         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
10976         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
10977         (Sized_relobj::relocate_sections): Likewise.
10978         * target-reloc.h (scan_relocs): Adjust section symbol index.
10979         (scan_relocatable_relocs): Likewise.
10980         * i386.cc (Scan::local): Check for ordinary symbols.
10981         * sparc.cc (Scan::local): Likewise.
10982         * x86_64.cc (Scan::local): Likewise.
10983         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
10984         to symbol_section_and_value.
10985         * testsuite/many_sections_test.cc: New file.
10986         * testsuite/Makefile.am (BUILT_SOURCES): Define.
10987         (check_PROGRAMS): Add many_sections_test.
10988         (many_sections_test_SOURCES): Define.
10989         (many_sections_test_DEPENDENCIES): Define.
10990         (many_sections_test_LDFLAGS): Define.
10991         (BUILT_SOURCES): Add many_sections_define.h.
10992         (many_sections_define.h): New target.
10993         (BUILT_SOURCES): Add many_sections_check.h.
10994         (many_sections_check.h): New target.
10995         (check_PROGRAMS): Add many_sections_r_test.
10996         (many_sections_r_test_SOURCES): Define.
10997         (many_sections_r_test_DEPENDENCIES): Define.
10998         (many_sections_r_test_LDFLAGS): Define.
10999         (many_sections_r_test_LDADD): Define.
11000         (many_sections_r_test.o): New target.
11001         * testsuite/Makefile.in: Rebuild.
11002
11003 2008-04-17  Cary Coutant  <ccoutant@google.com>
11004
11005         * errors.cc (Errors::info): New function.
11006         (gold_info): New function.
11007         * errors.h (Errors::info): New function.
11008         * gold.h (gold_info): New function.
11009         * object.cc (Input_objects::add_object): Print trace output.
11010         * options.cc (options::parse_set): New function.
11011         (General_options::parse_wrap): Deleted.
11012         (General_options::General_options): Deleted initializer.
11013         * options.h (options::String_set): New typedef.
11014         (options::parse_set): New function.
11015         (DEFINE_set): New macro.
11016         (General_options::wrap): Changed to use DEFINE_set. Changed
11017         callers of any_wrap_symbols and is_wrap_symbol.
11018         (General_options::trace, General_options::trace_symbol):
11019         New options.
11020         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11021         (General_options::wrap_symbols_): Deleted.
11022         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11023
11024 2008-04-17  David S. Miller  <davem@davemloft.net>
11025
11026         * options.cc (General_options::parse_V): New function.
11027         * options.h: Add entries for -V and -Qy.
11028
11029 2008-04-17  Ian Lance Taylor  <iant@google.com>
11030
11031         * common.cc (Symbol_table::allocate_commons): Remove options
11032         parameter.  Change caller.
11033         (Symbol_table::do_allocate_commons): Remove options parameter.
11034         Change caller.  Just call do_allocate_commons_list twice.
11035         (Symbol_table::do_allocate_commons_list): New function, broken out
11036         of do_allocate_commons.
11037         * common.h (class Allocate_commons_task): Remove options_ field.
11038         Update constructor.
11039         * symtab.cc (Symbol_table::Symbol_table): Initialize
11040         tls_commons_.
11041         (Symbol_table::add_from_object): Put TLS common symbols on
11042         tls_commons_ list.
11043         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11044         which are IN_OUTPUT_DATA.
11045         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11046         allocate_commons and do_allocate_commons declarations.  Declare
11047         do_allocate_commons_list.
11048         * gold.cc (queue_middle_tasks): Update creation of
11049         Allocate_commons_task to not pass options.
11050         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11051         (TLS_TEST_C_FLAGS): New variable.
11052         (tls_test_c_pic.o): New target.
11053         (tls_test_shared.so): Link in tls_test_c_pic.o.
11054         (tls_test_c_pic_ie.o): New target.
11055         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11056         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11057         (tls_test_c.o): New target.
11058         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11059         (tls_pic_test_LDADD): Likewise.
11060         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11061         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11062         (tls_test_c_gnu2.o): New target.
11063         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11064         tls_test_c_gnu2.o.
11065         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11066         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11067         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11068         * testsuite/tls_test.cc: Include "config.h".
11069         (t_last): Call t11_last.
11070         * testsuite/tls_test.h (t11, t11_last): Declare.
11071         * testsuite/tls_test_c.c: New file.
11072         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11073         * configure.ac: Check for OpenMP support.
11074         * configure, config.in, Makefile.in: Rebuild.
11075         * testsuite/Makefile.in: Rebuild.
11076
11077 2008-04-16  Cary Coutant  <ccoutant@google.com>
11078
11079         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11080         (Target_i386::tls_base_symbol_defined_): New field.
11081         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11082         (Target_i386::Scan::global): Likewise.
11083         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11084         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11085         (Target_x86_64::tls_base_symbol_defined_): New field.
11086         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11087         (Target_x86_64::Scan::global): Likewise.
11088
11089 2008-04-16  Cary Coutant  <ccoutant@google.com>
11090
11091         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11092         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11093         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11094         building shared libraries.
11095         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11096         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11097         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11098         * testsuite/Makefile.in: Rebuild.
11099         * testsuite/weak_undef.h: New file.
11100         * testsuite/weak_undef_file1.cc: Add extra test cases.
11101         * testsuite/weak_undef_file2.cc: Likewise.
11102         * testsuite/weak_undef_test.cc: Likewise.
11103
11104 2008-04-16  David S. Miller  <davem@davemloft.net>
11105
11106         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11107         Add issued_non_pic_error_ field.  Declare check_non_pic.
11108         (Target_sparc::Scan::check_non_pic): New function.
11109         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11110         (Target_sparc::Scan::global): Likewise.
11111
11112         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11113         * configure: Rebuild.
11114
11115         * options.h (DEFINE_enable): New macro.
11116         (new_dtags): New enable option.
11117         (initfirst, interpose, loadfltr, nodefaultlib,
11118         nodelete, nodlopen, nodump): New -z options.
11119         * layout.cc (Layout:finish_dynamic_section): If new
11120         dtags enabled, emit DT_RUNPATH.  Also, emit a
11121         DT_FLAGS_1 containing any specified -z flags.
11122
11123 2008-04-16  Ian Lance Taylor  <iant@google.com>
11124
11125         * copy-relocs.cc: New file.
11126         * copy-relocs.h: New file.
11127         * reloc.cc: Remove Copy_relocs code.
11128         * reloc.h: Likewise.
11129         * reloc-types.h (struct Reloc_types) [both versions]: Add
11130         get_reloc_addend_noerror.
11131         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11132         variants of add_global which take an addend which must be zero.
11133         * i386.cc: Include "copy-relocs.h".
11134         (class Target_i386): Change type of copy_relocs_ to variable,
11135         update initializer.
11136         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11137         Change all callers.
11138         (Target_i386::do_finalize_sections): Change handling of
11139         copy_relocs_.
11140         * sparc.cc: Include "copy-relocs.h".
11141         (class Target_sparc): Change type of copy_relocs_ to variable,
11142         update initializer.
11143         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11144         Change all callers.
11145         (Target_sparc::do_finalize_sections): Change handling of
11146         copy_relocs_.
11147         * x86_64.cc: Include "copy-relocs.h".
11148         (class Target_x86_64): Change type of copy_relocs_ to variable,
11149         update initializer.
11150         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11151         class.  Change all callers.
11152         (Target_x86_64::do_finalize_sections): Change handling of
11153         copy_relocs_.
11154         * Makefile.am (CCFILES): Add copy-relocs.cc.
11155         (HFILES): Add copy-relocs.h.
11156
11157         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11158
11159         * testsuite/script_test_4.sh: Permit leading zeroes.
11160
11161 2008-04-15  Ian Lance Taylor  <iant@google.com>
11162
11163         * script-sections.cc (Script_sections::create_segments): Use
11164         header_size_adjustment even when there is enough room for the
11165         headers.
11166         * testsuite/script_test_4.sh: New file.
11167         * testsuite/script_test_4.t: New file.
11168         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11169         (check_DATA): Add script_test_4.stdout.
11170         (MOSTLYCLEANFILES): Likewise.
11171         (script_test_4): New target.
11172         (script_test_4.stdout): New target.
11173         * testsuite/Makefile.in: Rebuild.
11174
11175         * sparc.cc: Add definitions for Output_data_plt_sparc class
11176         constants.
11177
11178 2008-04-14  David S. Miller  <davem@davemloft.net>
11179
11180         * sparc.cc: New file.
11181         * Makefile.am (TARGETSOURCES): Add sparc.cc
11182         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11183         * configure.tgt: Document targ_extra_size and
11184         targ_extra_big_endian.  Add entries for sparc-* and
11185         sparc64-*.
11186         * configure.ac: Handle targ_extra_size and
11187         targ_extra_big_endian.
11188         * Makefile.in: Rebuild.
11189         * configure: Likewise.
11190         * po/POTFILES.in: Likewise.
11191         * po/gold.pot: Likewise.
11192
11193 2008-04-14  Ian Lance Taylor  <iant@google.com>
11194
11195         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11196         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11197         in the name/type/flags to section mapping.  Don't call
11198         allocate_output_section.
11199         (Layout::choose_output_section): Change parameter from adjust_name
11200         to is_input_section.  Don't permit input sections after sections
11201         are attached to segments.  Don't call allocate_output_section.
11202         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11203         not write_enable_output_section.
11204         (Layout::make_output_section): Don't push to
11205         unattached_section_list_ nor call attach_to_segment.  Call
11206         attach_section_to_segment if sections are attached.
11207         (Layout::attach_sections_to_segments): New function.
11208         (Layout::attach_section_to_segment): New function.
11209         (Layout::attach_allocated_section_to_segment): Rename from
11210         attach_to_segment.  Remove flags parameter.
11211         (Layout::allocate_output_section): Remove function.
11212         (Layout::write_enable_output_section): Remove function.
11213         * layout.h (class Layout): Update for above changes.  Add new
11214         field sections_are_attached_.
11215         * output.h (Output_section::update_flags_for_input_section): New
11216         function.
11217         * output.cc (Output_section::add_input_section): Call
11218         update_flags_for_input_section.
11219         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11220
11221 2008-04-11  Cary Coutant  <ccoutant@google.com>
11222
11223         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11224         thought unnecessary.
11225         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11226
11227 2008-04-11  Ian Lance Taylor  <iant@google.com>
11228
11229         * output.h (class Output_section_data): Remove inline definition
11230         of set_addralign.
11231         * output.cc (Output_section_data::set_addralign): New function.
11232
11233 2008-04-11  Cary Coutant  <ccoutant@google.com>
11234
11235         Add support for TLS descriptors for i386 and x86_64.
11236         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11237         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11238         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11239         GOT_TYPE_TLS_DESC.
11240         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11241         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11242         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11243         relocations.
11244         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11245         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11246         Fix problem with initial-exec relocations.
11247         (Target_i386::Relocate::relocate_tls): Likewise.
11248         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11249         relaxation.
11250         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11251         support for section-plus-offset dynamic table entries.
11252         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11253         (Output_data_dynamic::Dynamic_entry): Add support for
11254         section-plus-offset dynamic table entries.
11255         (Output_data_dynamic::Classification): Likewise.
11256         (Output_data_dynamic::classification_): Renamed offset_.
11257         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11258         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11259         (Target_x86_64::make_plt_section): New function.
11260         (Target_x86_64::reserve_tlsdesc_entries): New function.
11261         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11262         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11263         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11264         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11265         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11266         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11267         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11268         add extra PLT entry for TLS descriptors.
11269         (Output_data_plt_x86_64::got_): New field.
11270         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11271         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11272         fields.
11273         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11274         descriptors.
11275         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11276         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11277         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11278         R_386_TLS_DESC_CALL relocations.
11279         (Target_x86_64::Scan::global): Likewise.
11280         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11281         for TLS descriptors.
11282         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11283         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11284         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11285         GD-to-IE relaxation.
11286         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11287         and TLS_DESCRIPTORS.
11288         * Makefile.in: Rebuild.
11289         * configure: Rebuild.
11290         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11291         (tls_test_shared2.so): New target.
11292         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11293         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11294         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11295         (tls_shared_gd_to_ie_test_LDADD): New variable.
11296         (tls_shared_gnu2_gd_to_ie_test): New target.
11297         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11298         New targets.
11299         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11300         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11301         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11302         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11303         (tls_shared_gnu2_test): New target.
11304         (tls_test_gnu2_shared.so): New target.
11305         (tls_shared_gnu2_test_SOURCES): New variable.
11306         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11307         (tls_shared_gnu2_test_LDFLAGS): New variable.
11308         (tls_shared_gnu2_test_LDADD): New variable.
11309         * testsuite/Makefile.in: Rebuild.
11310         * testsuite/Makefile.
11311
11312 2008-04-11  Ian Lance Taylor  <iant@google.com>
11313
11314         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11315         justsyms.t.
11316         * testsuite/Makefile.in: Rebuild.
11317
11318         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11319         long.
11320         * testsuite/script_test_2.cc (main): Adjust test.
11321
11322 2008-04-11  David S. Miller  <davem@davemloft.net>
11323             Ian Lance Taylor  <iant@google.com>
11324
11325         * options.h (General_options): Add entries for '-Y' and
11326         '-relax'.
11327         * options.cc (General_options:finalize): If -Y was used, add those
11328         entries to the library path instead of the default "/lib" and
11329         "/usr/lib".
11330
11331 2008-04-11  David S. Miller  <davem@davemloft.net>
11332
11333         * testsuite/justsyms.t: Start at 0x100.
11334         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11335         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11336         long.
11337         * testsuite/script_test_2.cc: Adjust string and section length
11338         checks.
11339
11340 2008-04-09  Ian Lance Taylor  <iant@google.com>
11341
11342         PR gold/5996
11343         * script-sections.cc (Sections_element::allocate_to_segment): Add
11344         orphan parameter.
11345         (Output_section_definition::allocate_to_segment): Likewise.
11346         (Orphan_output_section::allocate_to_segment): Likewise.
11347         (Script_sections::attach_sections_using_phdrs_clause): Don't
11348         propagate non-PT_LOAD segments to orphan sections.
11349         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11350         readelf rather than objdump.
11351         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11352         .interp section and PT_INTERP segment are the same size.
11353         * testsuite/Makefile.in: Rebuild.
11354
11355         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11356         aliases for symbols defined in the same object.
11357         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11358         (weak_alias_test_SOURCES): New variable.
11359         (weak_alias_test_DEPENDENCIES): New variable.
11360         (weak_alias_test_LDFLAGS): New variable.
11361         (weak_alias_test_LDADD): New variable.
11362         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11363         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11364         (weak_alias_test_3.o): New target.
11365         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11366         * testsuite/weak_alias_test_main.cc: New file.
11367         * testsuite/weak_alias_test_1.cc: New file.
11368         * testsuite/weak_alias_test_2.cc: New file.
11369         * testsuite/weak_alias_test_3.cc: New file.
11370
11371 2008-04-08  Ian Lance Taylor  <iant@google.com>
11372
11373         * options.h (class General_options): Add --noinhibit-exec option.
11374         * main.cc (main): Check --noinhibit-exec.
11375
11376         * options.h (class General_options): Define --wrap as a special
11377         option.  Add wrap_symbols_ field.
11378         (General_options::any_wrap_symbols): New function.
11379         (General_options::is_wrap_symbol): New function.
11380         * options.cc (General_options::parse_wrap): New function.
11381         (General_options::General_options): Initialize wrap_symbols_.
11382         * symtab.cc (Symbol_table::wrap_symbol): New function.
11383         (Symbol_table::add_from_object): Handle --wrap.
11384         * symtab.h (class Symbol_table): Declare wrap_symbol.
11385         * target.h (Target::wrap_char): New function.
11386         (Target::Target_info): Add wrap_char field.
11387         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11388         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11389         * testsuite/testfile.cc (Target_test::test_target_info):
11390         Likewise.
11391
11392         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11393         there is one.
11394
11395         * layout.h (class Layout): Add added_eh_frame_data_ field.
11396         * layout.cc (Layout::Layout): Initialize new field.
11397         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11398         output section until we find a section we merged successfully.
11399         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11400         that the size be non-zero.
11401
11402         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11403         qualifier.
11404
11405 2008-04-08  Craig Silverstein  <csilvers@google.com>
11406
11407         * configure.ac: Export new conditional variable HAVE_ZLIB.
11408         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11409         on HAVE_ZLIB.
11410         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11411         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11412
11413 2008-04-07  Ian Lance Taylor  <iant@google.com>
11414
11415         * version.cc (version_string): Set to "1.5".
11416
11417         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11418         Add issued_non_pic_error_ field.  Declare check_non_pic.
11419         (Target_x86_64::Scan::check_non_pic): New function.
11420         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11421         (Target_x86_64::Scan::global): Likewise.
11422
11423         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11424         addend parameter.  Change caller.  Handle merge sections.
11425         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11426         Address to Addend.  Don't add in the result of
11427         local_section_offset, pass down the addend and use the returned
11428         value.
11429         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11430         Update declarations of local_section_offset and symbol_value.
11431         * testsuite/two_file_test_1.cc (t18): New function.
11432         * testsuite/two_file_test_2.cc (f18): New function.
11433         * testsuite/two_file_test_main.cc (main): Call t18.
11434         * testsuite/two_file_test.h (t18, f18): Declare.
11435
11436         * configure.ac: Don't test for objdump, c++filt, or readelf.
11437         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11438         conditionals.
11439         (TEST_READELF): New variable.
11440         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11441         (check_PROGRAMS): Add two_file_strip_test.
11442         (two_file_strip_test): New target.
11443         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11444         (two_file_same_shared_strip_test_SOURCES): New variable.
11445         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11446         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11447         (two_file_same_shared_strip_test_LDADD): New variable.
11448         (two_file_shared_strip.so): New target.
11449         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11450         (ver_test_5.syms, ver_test_7.syms): Likewise.
11451         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11452         (strip_test_3.stdout): Use TEST_OBJDUMP.
11453         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11454
11455 2008-04-04  Cary Coutant  <ccoutant@google.com>
11456
11457         * symtab.h (Symbol::is_weak_undefined): New function.
11458         (Symbol::is_strong_undefined): New function.
11459         (Symbol::is_absolute): New function.
11460         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11461         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11462         absolute symbols.
11463         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11464         (weak_undef_test): New target.
11465         * testsuite/Makefile.in: Rebuild.
11466         * testsuite/weak_undef_file1.cc: New file.
11467         * testsuite/weak_undef_file2.cc: New file.
11468         * testsuite/weak_undef_test.cc: New file.
11469
11470 2008-04-03  Craig Silverstein  <csilvers@google.com>
11471
11472         * compressed_output.h (class Output_compressed_section): Use
11473         unsigned buffer.
11474         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11475         add zlib header.
11476         (zlib_compressed_suffix): Removed.
11477         (Output_compressed_section::set_final_data_size): Use unsigned
11478         buffers.
11479         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11480         Fix linker invocation.
11481         (flagstest_o_specialfile_and_compress_debug_sections):
11482         Likewise.
11483         * testsuite/Makefile.in: Regenerated.
11484
11485 2008-04-02  David S. Miller  <davem@davemloft.net>
11486
11487         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11488         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11489
11490 2008-04-02  Craig Silverstein  <csilvers@google.com>
11491
11492         * TODO: New file.
11493
11494 2008-04-02  Ian Lance Taylor  <iant@google.com>
11495
11496         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11497         parameters.  Update for new key type to views_.  Change all
11498         callers.
11499         (File_read::read): Adjust for byteshift in returned view.
11500         (File_read::add_view): New function, broken out of
11501         find_and_make_view.
11502         (File_read::make_view): New function, broken out of
11503         find_and_make_view.
11504         (File_read::find_or_make_view): Add offset and aligned
11505         parameters.  Rewrite accordingly.  Change all callers.
11506         (File_read::get_view): Add offset and aligned parameters.  Adjust
11507         for byteshift in return value.
11508         (File_read::get_lasting_view): Likewise.
11509         * fileread.h (class File_read): Update declarations.
11510         (class File_read::View): Add byteshift_ field.  Add byteshift to
11511         constructor.  Add byteshift method.
11512         * archive.h (Archive::clear_uncached_views): New function.
11513         (Archive::get_view): Add aligned parameter.  Change all callers.
11514         * object.h (Object::get_view): Add aligned parameter.  Change all
11515         callers.
11516         (Object::get_lasting_view): Likewise.
11517
11518         * fileread.cc (File_read::release): Don't call clear_views if
11519         there are multiple objects.
11520         * fileread.h (File_read::clear_uncached_views): New function.
11521         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11522         on the archive.
11523
11524 2008-03-31  Cary Coutant  <ccoutant@google.com>
11525
11526         Add thin archive support.
11527         * archive.cc (Archive::armagt): New const.
11528         (Archive::setup): Remove task parameter and calls to unlock.
11529         (Archive::unlock_nested_archives): New function.
11530         (Archive::read_header): Add nested_off parameter. Change
11531         all callers.
11532         (Archive::interpret_header): Likewise.
11533         (Archive::include_all_members): Change to handle thin
11534         archives.
11535         (Archive::include_member): Likewise.
11536         * archive.h (Archive::Archive): Add new parameters and
11537         initializers.
11538         (Archive::armagt): New const.
11539         (Archive::setup): Remove task parameter.
11540         (Archive::unlock_nested_archives): New function.
11541         (Archive::read_header): Add nested_off parameter.
11542         (Archive::interpret_header): Likewise.
11543         (Archive::Nested_archive_table): New typedef.
11544         (Archive::is_thin_archive_): New field.
11545         (Archive::nested_archives_): New field.
11546         (Archive::options_): New field.
11547         (Archive::dirpath_): New field.
11548         (Archive::task_): New field.
11549         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11550         for thin archives.  Pass additional parameters to
11551         Archive::Archive.  Unlock the archive file after calling
11552         Archive::setup.
11553
11554 2008-03-29  Ian Lance Taylor  <iant@google.com>
11555
11556         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11557         version symbol to be local.
11558         * testsuite/ver_test_4.sh: New file.
11559         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11560         (check_DATA): Add ver_test_4.syms.
11561         (ver_test_4.syms): New target.
11562         * testsuite/Makefile.in: Rebuild.
11563
11564         * output.cc
11565         (Output_section::Input_section_sort_entry::has_priority): New
11566         function.
11567         (Output_section::Input_section_sort_entry::match_file_name): New
11568         function.
11569         (Output_section::Input_section_sort_entry::match_section_name):
11570         Remove.
11571         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11572         Remove.
11573         (Output_section::Input_section_sort_entry::match_section_file):
11574         Remove.
11575         (Output_section::Input_section_sort_compare::operator()): Rewrite
11576         using new Input_section_sort_entry functions.  Sort crtbegin and
11577         crtend first.  Sort sections with no priority before sections with
11578         a priority.
11579         * testsuite/initpri1.c (d3): Check j != 4.
11580         (cd5): New constructor/destructor function.
11581         (main): Check j != 2.
11582
11583         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11584         new symbol when resolving, don't call set_is_default.
11585         * testsuite/ver_test_7.cc: New file.
11586         * testsuite/ver_test_7.sh: New file.
11587         * testsuite/Makefile.am (ver_test_7.so): New target.
11588         (ver_test_7.o): New target.
11589         (check_SCRIPTS): Add ver_test_7.sh.
11590         (check_DATA): Add ver_test_7.syms.
11591         (ver_test_7.syms): New target.
11592
11593 2008-03-28  Ian Lance Taylor  <iant@google.com>
11594
11595         * layout.cc (Layout::layout): If we see an input section with a
11596         name that needs sorting, set the must_sort flag for the output
11597         section.
11598         (Layout::make_output_section): If the name of the output section
11599         indicates that it might require sorting, set the may_sort flag.
11600         * output.h (Output_section::may_sort_attached_input_sections): New
11601         function.
11602         (Output_section::set_may_sort_attached_input_sections): New
11603         function.
11604         (Output_section::must_sort_attached_input_sections): New
11605         function.
11606         (Output_section::set_must_sort_attached_input_sections): New
11607         function.
11608         (class Output_section): Declare Input_section_sort_entry.  Define
11609         Input_section_sort_compare.  Declare
11610         sort_attached_input_sections.  Add new fields:
11611         may_sort_attached_input_sections_,
11612         must_sort_attached_input_sections_,
11613         attached_input_sections_are_sorted_.
11614         * output.cc (Output_section::Output_section): Initialize new
11615         fields.
11616         (Output_section::add_input_section): Add an entry to
11617         input_sections_ if may_sort or must_sort are true.
11618         (Output_section::set_final_data_size): Call
11619         sort_attached_input_sections if necessary.
11620         (Output_section::Input_section_sort_entry): Define new class.
11621         (Output_section::Input_section_sort_compare::operator()): New
11622         function.
11623         (Output_section::sort_attached_input_sections): New function.
11624         * configure.ac: Check whether the compiler supports constructor
11625         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
11626         * testsuite/initpri1.c: New file.
11627         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11628         CONSTRUCTOR_PRIORITY.
11629         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11630         (initpri1_LDFLAGS): New variable.
11631         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11632
11633 2008-03-27  Ian Lance Taylor  <iant@google.com>
11634
11635         * common.cc (Sort_commons::operator): Correct sorting algorithm.
11636         * testsuite/common_test_1.c: New file.
11637         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11638         (common_test_1_SOURCES): New variable.
11639         (common_test_1_DEPENDENCIES): New variable.
11640         (common_test_1_LDFLAGS): New variable.
11641
11642         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11643         and commons_ correctly when NAME/VERSION does not override
11644         NAME/NULL.
11645         * testsuite/ver_test_6.c: New file.
11646         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11647         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11648         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11649
11650 2008-03-26  Ian Lance Taylor  <iant@google.com>
11651
11652         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11653         of an undefined symbol from a version script.
11654         * testsuite/Makefile.am (ver_test_5.so): New target.
11655         (ver_test_5.o): New target.
11656         (check_SCRIPTS): Add ver_test_5.sh.
11657         (check_DATA): Add ver_test_5.syms.
11658         (ver_test_5.syms): New target.
11659         * testsuite/ver_test_5.cc: New file.
11660         * testsuite/ver_test_5.script: New file.
11661         * testsuite/ver_test_5.sh: New file.
11662         * Makefile.in, testsuite/Makefile.in: Rebuild.
11663
11664         PR gold/5986
11665         Fix problems building gold with gcc 4.3.0.
11666         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11667         (gold_error_at_location, gold_warning_at_location): Use it.
11668         * configure.ac: Check whether we can compile and use a template
11669         function with a printf attribute.
11670         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
11671         when jumping over bytes.
11672         * object.cc: Instantiate Object::read_section_data.
11673         * debug.h: Include <cstring>
11674         * dwarf_reader.cc: Include <algorithm>
11675         * main.cc: Include <cstring>.
11676         * options.cc: Include <cstring>.
11677         * output.cc: Include <cstring>.
11678         * script.cc: Include <cstring>.
11679         * script.h: Include <string>.
11680         * symtab.cc: Include <cstring> and <algorithm>.
11681         * target-select.cc: Include <cstring>.
11682         * version.cc: Include <string>.
11683         * testsuite/testmain.cc: Include <cstdlib>.
11684         * configure, config.in: Rebuild.
11685
11686 2008-03-25  Ian Lance Taylor  <iant@google.com>
11687
11688         * options.cc: Include "../bfd/bfdver.h".
11689         (options::help): Print bug reporting address.
11690
11691         * version.cc (print_version): Adjust output for current value of
11692         BFD_VERSION_STRING.
11693
11694         * NEWS: New file.
11695
11696         * options.cc (options::help): Print list of supported targets.
11697         * target-select.h: Include <vector>.
11698         (class Target_selector): Make machine_, size_, and is_big_endian_
11699         fields const.  Add bfd_name_ and instantiated_target_ fields.
11700         (Target_selector::Target_selector): Add bfd_name parameter.
11701         (Target_selector::recognize): Make non-virtual, call
11702         do_recognize.
11703         (Target_selector::recognize_by_name): Make non-virtual, call
11704         do_recognize_by_name.
11705         (Target_selector::supported_names): New function.
11706         (Target_selector::bfd_name): New function.
11707         (Target_selector::do_instantiate_target): New pure virtual
11708         function.
11709         (Target_selector::do_recognize): New virtual function.
11710         (Target_selector::do_recognize_by_name): New virtual function.
11711         (Target_selector::instantiate_target): New private function.
11712         (supported_target_names): Declare.
11713         * target-select.cc (Target_selector::Target_selector): Update for
11714         new parameter and fields.
11715         (select_target_by_name): Check that the name matches before
11716         calling recognize_by_name.
11717         (supported_target_names): New function.
11718         * i386.cc (class Target_selector_i386): Update Target_selector
11719         constructor call.  Remove recognize and recognize_by_name.  Add
11720         do_instantiate_target.
11721         * x86_64.cc (class Target_selector_x86_64): Likewise.
11722         * testsuite/testfile.cc (class Target_selector_test): Update for
11723         changes to Target_selector.
11724
11725         * README: Rewrite, with some notes on unsupported features.
11726
11727 2008-03-24  Cary Coutant  <ccoutant@google.com>
11728
11729         * i386.cc (Target_i386::Got_type): New enum declaration.
11730         (Target_i386::Scan::local): Updated callers of Output_data_got
11731         member functions.
11732         (Target_i386::Scan::global): Likewise.
11733         (Target_i386::Relocate::relocate): Likewise.
11734         (Target_i386::Relocate::relocate_tls): Likewise.
11735         * object.h (Got_offset_list): New class.
11736         (Sized_relobj::local_has_got_offset): Added got_type parameter.
11737         (Sized_relobj::local_got_offset): Likewise.
11738         (Sized_relobj::set_local_got_offset): Likewise.
11739         (Sized_relobj::local_has_tls_got_offset): Removed.
11740         (Sized_relobj::local_tls_got_offset): Removed.
11741         (Sized_relobj::set_local_tls_got_offset): Removed.
11742         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
11743         * output.cc (Output_data_got::add_global): Added got_type parameter.
11744         (Output_data_got::add_global_with_rel): Likewise.
11745         (Output_data_got::add_global_with_rela): Likewise.
11746         (Output_data_got::add_global_pair_with_rel): New function.
11747         (Output_data_got::add_global_pair_with_rela): New function.
11748         (Output_data_got::add_local): Added got_type parameter.
11749         (Output_data_got::add_local_with_rel): Likewise.
11750         (Output_data_got::add_local_with_rela): Likewise.
11751         (Output_data_got::add_local_pair_with_rel): New function.
11752         (Output_data_got::add_local_pair_with_rela): New function.
11753         (Output_data_got::add_global_tls): Removed.
11754         (Output_data_got::add_global_tls_with_rel): Removed.
11755         (Output_data_got::add_global_tls_with_rela): Removed.
11756         (Output_data_got::add_local_tls): Removed.
11757         (Output_data_got::add_local_tls_with_rel): Removed.
11758         (Output_data_got::add_local_tls_with_rela): Removed.
11759         * output.h (Output_data_got::add_global): Added got_type parameter.
11760         (Output_data_got::add_global_with_rel): Likewise.
11761         (Output_data_got::add_global_with_rela): Likewise.
11762         (Output_data_got::add_global_pair_with_rel): New function.
11763         (Output_data_got::add_global_pair_with_rela): New function.
11764         (Output_data_got::add_local): Added got_type parameter.
11765         (Output_data_got::add_local_with_rel): Likewise.
11766         (Output_data_got::add_local_with_rela): Likewise.
11767         (Output_data_got::add_local_pair_with_rel): New function.
11768         (Output_data_got::add_local_pair_with_rela): New function.
11769         (Output_data_got::add_global_tls): Removed.
11770         (Output_data_got::add_global_tls_with_rel): Removed.
11771         (Output_data_got::add_global_tls_with_rela): Removed.
11772         (Output_data_got::add_local_tls): Removed.
11773         (Output_data_got::add_local_tls_with_rel): Removed.
11774         (Output_data_got::add_local_tls_with_rela): Removed.
11775         * resolve.cc (Symbol::override_base_with_special): Removed
11776         reference to has_got_offset_ field.
11777         * symtab.cc (Symbol::init_fields): Replaced initialization
11778         of got_offset_ with got_offsets_.  Removed initialization
11779         of has_got_offset_
11780         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
11781         (Symbol::got_offset): Likewise.
11782         (Symbol::set_got_offset): Likewise.
11783         (Symbol::has_tls_got_offset): Removed.
11784         (Symbol::tls_got_offset): Removed.
11785         (Symbol::set_tls_got_offset): Removed.
11786         (Symbol::got_offset_): Removed.
11787         (Symbol::tls_mod_got_offset_): Removed.
11788         (Symbol::tls_pair_got_offset_): Removed.
11789         (Symbol::got_offsets_): New field.
11790         (Symbol::has_got_offset): Removed.
11791         (Symbol::has_tls_mod_got_offset): Removed.
11792         (Symbol::has_tls_pair_got_offset): Removed.
11793         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
11794         (Target_x86_64::Scan::local): Updated callers of Output_data_got
11795         member functions.
11796         (Target_x86_64::Scan::global): Likewise.
11797         (Target_x86_64::Relocate::relocate): Likewise.
11798         (Target_x86_64::Relocate::relocate_tls): Likewise.
11799
11800 2008-03-25  Ben Elliston  <bje@au.ibm.com>
11801
11802         * yyscript.y: Fix spelling error in comment.
11803
11804 2008-03-24  Ian Lance Taylor  <iant@google.com>
11805
11806         * options.h (class General_options): Define build_id option.
11807         * layout.h (class Layout): Declare write_build_id, create_note,
11808         create_build_id.  Add build_id_note_ member.
11809         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
11810         "libiberty.h", "md5.h", "sha1.h".
11811         (Layout::Layout): Initialize eh_frame_data_,
11812         eh_frame_hdr_section_, and build_id_note_.
11813         (Layout::finalize): Call create_build_id.
11814         (Layout::create_note): New function, broken out of
11815         Layout::create_gold_note.
11816         (Layout::create_gold_note): Call create_note.
11817         (Layout::create_build_id): New function.
11818         (Layout::write_build_id): New function.
11819         (Close_task_runner::run): Call write_build_id.
11820
11821         * x86_64.cc: Correct license to GPLv3.
11822
11823 2008-03-23  Ian Lance Taylor  <iant@google.com>
11824
11825         * options.cc: Include "demangle.h".
11826         (parse_optional_string): New function.
11827         (parse_long_option): Handle takes_optional_argument.
11828         (parse_short_option): Update dash_z initializer.  Handle
11829         takes_optional_argument.
11830         (General_options::General_options): Initialize do_demangle_.
11831         (General_options::finalize): Set do_demangle_.  Handle demangling
11832         style.
11833         * options.h (parse_optional_string): Declare.
11834         (struct One_option): Add optional_arg field.  Update constructor.
11835         Update call constructor calls.  Add takes_optional_argument
11836         function.
11837         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
11838         (DEFINE_optional_string): Define.
11839         (General_options::demangle): Change from DEFINE_bool to
11840         DEFINE_optional_string.
11841         (General_options::no_demangle): New function.
11842         (General_options::do_demangle): New function.
11843         (General_options::set_do_demangle): New function.
11844         (General_options::execstack_status_): Move definition to end of
11845         class definition.
11846         (General_options::static_): Likewise.
11847         (General_options::do_demangle_): New field.
11848         * object.cc (big_endian>::get_symbol_location_info): Call
11849         Options::do_demangle, not Options::demangle.
11850         * symtab.cc (demangle): Likewise.
11851
11852 2008-03-22  Ian Lance Taylor  <iant@google.com>
11853
11854         * gold.h: Include <cstddef> and <sys/types.h>
11855         * options.h: Include <cstring>.
11856
11857 2008-03-21  Ian Lance Taylor  <iant@google.com>
11858
11859         * Added source code to GNU binutils.