gold/ChangeLog

   1 2011-07-13  Ian Lance Taylor  <iant@google.com>
   2
   3         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
   4         relro section.
   5         * x86_64.cc (Target_x86_64::got_section): Likewise.
   6         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
   7         (relro_now_test_SOURCES): New variable.
   8         (relro_now_test_DEPENDENCIES): New variable.
   9         (relro_now_test_LDFLAGS): New variable.
  10         (relro_now_test_LDADD): New variable.
  11         (relro_now_test.so): New target.
  12         * testsuite/Makefile.in: Rebuild.
  13
  14 2011-07-12  Ian Lance Taylor  <iant@google.com>
  15
  16         PR gold/12980
  17         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
  18         GLOB_DAT relocation rather than a RELATIVE relocation for a
  19         protected symbol when creating a shared library.
  20         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
  21         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
  22         * testsuite/protected_main_1.cc (main): Test that protected
  23         function has same address.
  24
  25 2011-07-11  Ian Lance Taylor  <iant@google.com>
  26
  27         PR gold/12979
  28         * options.h (class General_options): Add -Bgroup.
  29         * options.cc (General_options::finalize): If -Bgroup is set,
  30         default to --unresolved-symbols=report-all.
  31         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
  32         * target-reloc.h (issue_undefined_symbol_error): Handle
  33         --unresolved-symbols=report-all.
  34
  35 2011-07-08  Ian Lance Taylor  <iant@google.com>
  36
  37         PR gold/11985
  38         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
  39         if linker script discards key sections.
  40         (Layout::create_dynamic_symtab): Likewise.
  41         (Layout::assign_local_dynsym_offsets): Likewise.
  42         (Layout::sized_create_version_sections): Likewise.
  43         (Layout::create_interp): Likewise.
  44         (Layout::finish_dynamic_section): Likewise.
  45         (Layout::set_dynamic_symbol_size): Likewise.
  46
  47 2011-07-08  Ian Lance Taylor  <iant@google.com>
  48
  49         PR gold/12386
  50         * options.h (class General_options): Add --unresolved-symbols.
  51         * target-reloc.h (issue_undefined_symbol_error): Check
  52         --unresolved-symbols.  Add comments.
  53
  54 2011-07-08  Ian Lance Taylor  <iant@google.com>
  55
  56         * testsuite/odr_violation2.cc (Ordering::operator()): Make
  57         expression more complex.
  58
  59 2011-07-08  Ian Lance Taylor  <iant@google.com>
  60
  61         PR gold/11317
  62         * target-reloc.h (issue_undefined_symbol_error): New inline
  63         function, broken out of relocate_section.
  64         (relocate_section): Call issue_undefined_symbol_error.
  65         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
  66         there is no TLS segment if we are about to issue an undefined
  67         symbol error.
  68         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
  69
  70 2011-07-08  Ian Lance Taylor  <iant@google.com>
  71
  72         PR gold/12279
  73         * resolve.cc (Symbol_table::should_override): Add fromtype
  74         parameter.  Change all callers.  Give error when linking together
  75         TLS and non-TLS symbol.
  76         (Symbol_table::should_override_with_special): Add fromtype
  77         parameter.  Change all callers.
  78         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
  79         there is no TLS segment if we have reported some errors.
  80         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
  81
  82 2011-07-08  Ian Lance Taylor  <iant@google.com>
  83
  84         PR gold/12372
  85         * target.h (Target::plt_address_for_global): New function.
  86         (Target::plt_address_for_local): New function.
  87         (Target::plt_section_for_global): Remove.
  88         (Target::plt_section_for_local): Remove.
  89         (Target::do_plt_address_for_global): New virtual function.
  90         (Target::do_plt_address_for_local): New virtual function.
  91         (Target::do_plt_section_for_global): Remove.
  92         (Target::do_plt_section_for_local): Remove.
  93         (Target::register_global_plt_entry): Add Symbol_table and Layout
  94         parameters.
  95         * output.cc (Output_data_got::Got_entry::write): Use
  96         plt_address_for_global and plt_address_for_local.
  97         * layout.cc (Layout::add_target_dynamic_tags): Use size and
  98         address of output section.
  99         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 100         got_irelative_, and irelative_count_ fields.  Update
 101         declarations.
 102         (Output_data_plt_i386::has_irelative_section): New function.
 103         (Output_data_plt_i386::entry_count): Add irelative_count_.
 104         (Output_data_plt_i386::set_final_data_size): Likewise.
 105         (class Target_i386): Add got_irelative_ and rel_irelative_
 106         fields.  Update declarations.
 107         (Target_i386::Target_i386): Initialize new fields.
 108         (Target_i386::do_plt_address_for_global): New function replacing
 109         do_plt_section_for_global.
 110         (Target_i386::do_plt_address_for_local): New function replacing
 111         do_plt_section_for_local.
 112         (Target_i386::got_section): Create got_irelative_.
 113         (Target_i386::rel_irelative_section): New function.
 114         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 115         fields.  Don't define __rel_iplt_{start,end}.
 116         (Output_data_plt_i386::add_entry): Add symtab and layout
 117         parameters.  Change all callers.  Use different PLT and GOT for
 118         IFUNC symbols.
 119         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 120         layout parameters.  Change all callers.  Use different PLT and
 121         GOT.
 122         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 123         (Output_data_plt_i386::rel_irelative): New function.
 124         (Output_data_plt_i386::address_for_global): New function.
 125         (Output_data_plt_i386::address_for_local): New function.
 126         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 127         IRELATIVE GOT when changing IFUNC GOT entries.
 128         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 129         reloc.
 130         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 131         if we didn't create an IRELATIVE GOT.
 132         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 133         plt_address_for_local.
 134         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 135         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 136         got_irelative_, and irelative_count_ fields.  Update
 137         declarations.
 138         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 139         Initialize new fields.  Remove symtab parameter.  Change all
 140         callers.
 141         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 142         irelative_count_.
 143         (Output_data_plt_x86_64::has_irelative_section): New function.
 144         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 145         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 146         fields.  Update declarations.
 147         (Target_x86_64::Target_x86_64): Initialize new fields.
 148         (Target_x86_64::do_plt_address_for_global): New function replacing
 149         do_plt_section_for_global.
 150         (Target_x86_64::do_plt_address_for_local): New function replacing
 151         do_plt_section_for_local.
 152         (Target_x86_64::got_section): Create got_irelative_.
 153         (Target_x86_64::rela_irelative_section): New function.
 154         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 155         all callers.  Don't create __rel_iplt_{start,end}.
 156         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 157         parameters.  Change all callers.  Use different PLT and GOT for
 158         IFUNC symbols.
 159         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 160         layout parameters.  Change all callers.  Use different PLT and
 161         GOT.
 162         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 163         parameters.  Change all callers.  Use different PLT and GOT for
 164         IFUNC symbols.
 165         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 166         (Output_data_plt_x86_64::rela_irelative): New function.
 167         (Output_data_plt_x86_64::address_for_global): New function.
 168         (Output_data_plt_x86_64::address_for_local): New function.
 169         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 170         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 171         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 172         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 173         parameters.
 174         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 175         reloc.
 176         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 177         symbols if we didn't create an IRELATIVE GOT.
 178         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 179         plt_address_for_local.
 180         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 181         * testsuite/ifuncvar1.c: New test file.
 182         * testsuite/ifuncvar2.c: New test file.
 183         * testsuite/ifuncvar3.c: New test file.
 184         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 185         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 186         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 187         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 188         * testsuite/Makefile.in: Rebuild.
 189
 190 2011-07-07  Cary Coutant  <ccoutant@google.com>
 191
 192         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 193         (two_file_test_1_ndebug.o): Likewise.
 194         (two_file_test_1b_ndebug.o): Likewise.
 195         (two_file_test_2_ndebug.o): Likewise.
 196         (two_file_test_main_ndebug.o): Likewise.
 197         (incremental_test_2): Link with no-debug versions.
 198
 199 2011-07-06  Cary Coutant  <ccoutant@google.com>
 200
 201         * gold/incremental.cc
 202         (Output_section_incremental_inputs::write_info_blocks): Check for
 203         hidden and internal symbols.
 204
 205 2011-07-06  Cary Coutant  <ccoutant@google.com>
 206
 207         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 208         Check disposition for startup file.
 209         (Incremental_inputs::report_command_line): Ignore
 210         --incremental-startup-unchanged option.
 211         * options.cc (General_options::parse_incremental_startup_unchanged):
 212         New function.
 213         (General_options::General_options): Initialize new data member.
 214         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 215         (General_options): Add --incremental-startup-unchanged option.
 216         (General_options::incremental_startup_disposition): New function.
 217         (General_options::incremental_startup_disposition_): New data member.
 218
 219 2011-07-06  Cary Coutant  <ccoutant@google.com>
 220
 221         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 222         input file index to Script_info ctor.
 223         (Sized_incremental_binary::do_file_has_changed): Find the
 224         command-line argument for files named in scripts.
 225         * incremental.h (Script_info::Script_info): New ctor
 226         with input file index.
 227         (Script_info::input_file_index): New function.
 228         (Script_info::input_file_index_): New data member.
 229         (Incremental_binary::get_library): Add const.
 230         (Incremental_binary::get_script_info): Add const.
 231         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 232         * testsuite/Makefile.am (incremental_test_5): New test case.
 233         (incremental_test_6): New test case.
 234         * testsuite/Makefile.in: Regenerate.
 235
 236 2011-07-06  Cary Coutant  <ccoutant@google.com>
 237
 238         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 239         debug output when command lines differ.
 240
 241 2011-07-06  Cary Coutant  <ccoutant@google.com>
 242
 243         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 244         --incremental-patch option.
 245         * layout.cc (Free_list::allocate): Extend allocation beyond original
 246         end if enabled.
 247         (Layout::make_output_section): Mark sections that should get
 248         patch space.
 249         * options.cc (parse_percent): New function.
 250         * options.h (parse_percent): New function.
 251         (DEFINE_percent): New macro.
 252         (General_options): Add --incremental-patch option.
 253         * output.cc (Output_section::Output_section): Initialize new data
 254         members.
 255         (Output_section::add_input_section): Print section name when out
 256         of patch space.
 257         (Output_section::add_output_section_data): Likewise.
 258         (Output_section::set_final_data_size): Add patch space when
 259         doing --incremental-full.
 260         (Output_section::do_reset_address_and_file_offset): Remove patch
 261         space.
 262         (Output_segment::set_section_list_addresses): Print debug output
 263         only if --incremental-update.
 264         * output.h (Output_section::set_is_patch_space_allowed): New function.
 265         (Output_section::is_patch_space_allowed_): New data member.
 266         (Output_section::patch_space_): New data member.
 267         * parameters.cc (Parameters::incremental_full): New function.
 268         * parameters.h (Parameters::incremental_full): New function
 269         * testsuite/Makefile.am (incremental_test_2): Add test for
 270         --incremental-patch option.
 271         * testsuite/Makefile.in: Regenerate.
 272         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 273         (t18): Remove function body.
 274
 275 2011-07-05  Doug Kwan  <dougkwan@google.com>
 276
 277         PR gold/12771
 278         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 279         Arm_Address type for relocation result.
 280         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 281         overflow check.
 282         (Arm_relocate_functions::abs32): Use unaligned access.
 283         (Arm_relocate_functions::rel32): Ditto.
 284         (Arm_relocate_functions::prel31): Ditto.
 285         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 286         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 287         static data relocations.
 288         * testsuite/Makefile.in: Regnerate.
 289         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 290
 291 2011-07-05  Ian Lance Taylor  <iant@google.com>
 292
 293         PR gold/12392
 294         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 295         symbols if necessary.
 296         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 297
 298 2011-07-05  Ian Lance Taylor  <iant@google.com>
 299
 300         PR gold/12952
 301         * resolve.cc (Symbol::override_base_with_special): Simply override
 302         version with special symbol version, ignoring previous version.
 303
 304 2011-07-05  Ian Lance Taylor  <iant@google.com>
 305
 306         * object.cc (Sized_relobj_file::include_section_group): Add
 307         information to comment about signature location.
 308
 309 2011-07-02  Ian Lance Taylor  <iant@google.com>
 310
 311         PR gold/12957
 312         * options.h (class General_options): Add -f and -F.
 313         * options.cc (General_options::finalize): Fatal error if -f/-F
 314         are used without -shared.
 315         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
 316
 317 2011-07-02  Ian Lance Taylor  <iant@google.com>
 318
 319         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
 320
 321 2011-07-01  Ian Lance Taylor  <iant@google.com>
 322
 323         PR gold/12525
 324         PR gold/12952
 325         * resolve.cc (Symbol::override_base_with_special): Don't override
 326         the version if the overriding symbol has a different name.
 327         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
 328         all callers.  If we give an error about an undefined version,
 329         define the base version if necessary.
 330         * dynobj.h (class Versions): Update declaration.
 331         * testsuite/weak_alias_test_5.cc: New file.
 332         * testsuite/weak_alias_test.script: New file.
 333         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
 334         and versioned_alias have the right value, and call t2.
 335         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
 336         weak_alias_test_5.so.
 337         (weak_alias_test_LDADD): Likewise.
 338         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
 339         * testsuite/Makefile.in: Rebuild.
 340
 341 2011-07-01  Ian Lance Taylor  <iant@google.com>
 342
 343         PR gold/12525
 344         * options.h (class General_options): Support -z notext.
 345         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
 346         -Wl,-z,notext.
 347         (two_file_shared_nonpic.so): Likewise.
 348         (two_file_shared_mixed.so): Likewise.
 349         (two_file_shared_mixed_1.so): Likewise.
 350         (weak_undef_lib_nonpic.so): Likewise.
 351         (alt/weak_undef_lib_nonpic.so): Likewise.
 352         (tls_test_shared_nonpic.so): Likewise.
 353         * testsuite/Makefile.in: Rebuild.
 354
 355 2011-07-01  Ian Lance Taylor  <iant@google.com>
 356
 357         PR gold/12525
 358         * configure.ac: Test whether static linking works, setting
 359         the automake conditional HAVE_STATIC.
 360         * testsuite/Makefile.am: Disable tests using -static if
 361         HAVE_STATIC is not true.
 362         * configure, testsuite/Makefile.in: Rebuild.
 363
 364 2011-07-01  Ian Lance Taylor  <iant@google.com>
 365
 366         PR gold/12525
 367         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
 368         Assert if we see DW_EH_PE_indirect.
 369         * target.h (Target::ehframe_datarel_base): New function.
 370         (Target::do_ehframe_datarel_base): New target function.
 371         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
 372         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
 373         function.
 374
 375 2011-07-01  Ian Lance Taylor  <iant@google.com>
 376
 377         PR gold/12571
 378         * options.h (class General_options): Add
 379         --ld-generated-unwind-info.
 380         * ehframe.cc (Fde::write): Add address parameter.  Change all
 381         callers.  If associated with PLT, fill in address and size.
 382         (Cie::set_output_offset): Only add merge mapping if there is an
 383         object.
 384         (Cie::write): Add address parameter.  Change all callers.
 385         (Eh_frame::add_ehframe_for_plt): New function.
 386         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
 387         input_offset_ fields into union u_, with new plt field.
 388         (Fde::Fde): Adjust for new union field.
 389         (Fde::Fde) [Output_data version]: New constructor.
 390         (Fde::add_mapping): Only add merge mapping if there is an object.
 391         (class Cie): Update declarations.
 392         (class Eh_frame): Declare add_ehframe_for_plt.
 393         * layout.cc (Layout::layout_eh_frame): Break out code into
 394         make_eh_frame_section, and call it.
 395         (Layout::make_eh_frame_section): New function.
 396         (Layout::add_eh_frame_for_plt): New function.
 397         * layout.h (class Layout): Update declarations.
 398         * merge.cc (Merge_map::add_mapping): Add assertion.
 399         * i386.cc: Include "dwarf.h".
 400         (class Output_data_plt_i386): Make first_plt_entry,
 401         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
 402         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 403         and plt_eh_frame_fde.
 404         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
 405         boundary.  Call add_eh_frame_for_plt if appropriate.
 406         * x86_64.cc: Include "dwarf.h".
 407         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
 408         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
 409         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 410         and plt_eh_frame_fde.
 411         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
 412         appropriate.
 413
 414 2011-06-29  Ian Lance Taylor  <iant@google.com>
 415
 416         PR gold/12629
 417         * object.cc (Sized_relobj_file::layout_section): Change shdr
 418         parameter to be const.
 419         (Sized_relobj_file::layout_eh_frame_section): New function, broken
 420         out of do_layout.
 421         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
 422         appropriate.  Call layout_eh_frame_section.
 423         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
 424         sections.
 425         * object.h (class Sized_relobj_file): Update declarations.
 426
 427 2011-06-29  Ian Lance Taylor  <iant@google.com>
 428
 429         PR gold/12652
 430         * script.cc (Token::integer_value): Accept trailing M/m/K/k
 431         modifier.
 432         (Lex::gather_token): Accept trailing M/m/K/k for integers.
 433
 434 2011-06-29  Ian Lance Taylor  <iant@google.com>
 435
 436         PR gold/12675
 437         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
 438         SHT_X86_64_UNWIND.
 439         * layout.cc (Layout::layout_eh_frame): Likewise.
 440
 441 2011-06-29  Ian Lance Taylor  <iant@google.com>
 442
 443         PR gold/12695
 444         * layout.cc (Layout::symtab_section_shndx): New function.
 445         * layout.h (class Layout): Declare symtab_section_shndx.
 446         * output.cc (Output_section::write_header): Call it.
 447
 448 2011-06-29  Ian Lance Taylor  <iant@google.com>
 449
 450         PR gold/12818
 451         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
 452         symbols which are not used in a relocation.
 453
 454 2011-06-28  Ian Lance Taylor  <iant@google.com>
 455
 456         PR gold/12898
 457         * layout.cc (Layout::segment_precedes): Don't crash if a linker
 458         script create indistinguishable segments.
 459         (Layout::set_segment_offsets): Use stable_sort when sorting
 460         segments.  Pass this to Compare_segments constructor.
 461         * layout.h (class Layout): Make segment_precedes non-static.
 462         (class Compare_segments): Change from struct to class.  Add
 463         layout_ field.  Add constructor.
 464         * script-sections.cc
 465         (Script_sections::attach_sections_using_phdrs_clause): Rename
 466         local orphan to is_orphan.  Don't report failure to put empty
 467         section in segment.  On attachment failure, report name of
 468         section, and attach to first PT_LOAD segment.
 469
 470 2011-06-28  Ian Lance Taylor  <iant@google.com>
 471
 472         PR gold/12934
 473         * target-select.cc (Target_selector::Target_selector): Add
 474         emulation parameter.  Change all callers.
 475         (select_target_by_bfd_name): Rename from select_target_by_name.
 476         Change all callers.
 477         (select_target_by_emulation): New function.
 478         (supported_emulation_names): New function.
 479         * target-select.h (class Target_selector): Add emulation_ field.
 480         Update declarations.
 481         (Target_selector::recognize_by_bfd_name): Rename from
 482         recognize_by_name.  Change all callers.
 483         (Target_selector::supported_bfd_names): Rename from
 484         supported_names.  Change all callers.
 485         (Target_selector::recognize_by_emulation): New function.
 486         (Target_selector::supported_emulations): New function.
 487         (Target_selector::emulation): New function.
 488         (Target_selector::do_recognize_by_bfd_name): Rename from
 489         do_recognize_by_name.  Change all callers.
 490         (Target_selector::do_supported_bfd_names): Rename from
 491         do_supported_names.  Change all callers.
 492         (Target_selector::do_recognize_by_emulation): New function.
 493         (Target_selector::do_supported_emulations): New function.
 494         (select_target_by_bfd_name): Change name in declaration.
 495         (select_target_by_emulation): Declare.
 496         (supported_emulation_names): Declare.
 497         * parameters.cc (parameters_force_valid_target): Try to find
 498         target based on emulation from -m option.
 499         * options.h (class General_options): Change doc string for -m.
 500         * options.cc (help): Print emulations.
 501         (General_options::parse_V): Likewise.
 502         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
 503         Add emulation parameter.  Change all callers.
 504
 505 2011-06-28  Ian Lance Taylor  <iant@google.com>
 506
 507         * target.h (class Target): Add osabi_ field.
 508         (Target::osabi): New function.
 509         (Target::set_osabi): New function.
 510         (Target::Target): Initialize osabi_.
 511         (Target::do_adjust_elf_header): Make pure virtual.
 512         (Sized_target::do_adjust_elf_header): Declare.
 513         * target.cc (Sized_target::do_adjust_elf_header): New function.
 514         (class Sized_target): Instantiate all versions.
 515         * freebsd.h (class Target_freebsd): Remove.
 516         (Target_selector_freebsd::do_recognize): Call set_osabi on
 517         Target.
 518         (Target_selector_freebsd::do_recognize_by_name): Likewise.
 519         (Target_selector_freebsd::set_osabi): Remove.
 520         * i386.cc (class Target_i386): Inherit from Sized_target rather
 521         than Target_freebsd.
 522         * x86_64.cc (class Target_x86_64): Likewise.
 523
 524 2011-06-28  Ian Lance Taylor  <iant@google.com>
 525
 526         * target.h (Target::can_check_for_function_pointers): Rewrite.
 527         Make non-virtual.
 528         (Target::can_icf_inline_merge_sections): Likewise.
 529         (Target::section_may_have_icf_unsafe_poineters): Likewise.
 530         (Target::Target_info): Add can_icf_inline_merge_sections field.
 531         (Target::do_can_check_for_function_pointers): New virtual
 532         function.
 533         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
 534         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
 535         from can_check_for_function_pointers, move in file.
 536         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
 537         section_may_have_icf_unsafe_poineters, move in file.
 538         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
 539         * i386.cc (Target_i386::do_can_check_for_function_pointers):
 540         Rename from can_check_for_function_pointers, move in file.
 541         (Target_i386::can_icf_inline_merge_sections): Remove.
 542         (Target_i386::i386_info): Initialize
 543         can_icf_inline_merge_sections.
 544         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
 545         Initialize can_icf_inline_merge_sections.
 546         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
 547         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
 548         Rename from can_check_for_function_pointers, move in file.
 549         (Target_x86_64::can_icf_inline_merge_sections): Remove.
 550         (Target_x86_64::x86_64_info): Initialize
 551         can_icf_inline_merge_sections.
 552         * testsuite/testfile.cc (Target_test::test_target_info):
 553         Likewise.
 554         * icf.cc (get_section_contents): Correct formatting.
 555
 556 2011-06-27  Ian Lance Taylor  <iant@google.com>
 557
 558         * symtab.cc (Symbol::versioned_name): New function.
 559         (Symbol_table::add_to_final_symtab): Use versioned_name when
 560         appropriate.
 561         (Symbol_table::sized_write_symbol): Likewise.
 562         * symtab.h (class Symbol): Declare versioned_name.
 563         * stringpool.h (class Stringpool_template): Add variant of add
 564         which takes a std::basic_string.
 565         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
 566         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
 567         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
 568         (ver_test_12.o): New target.
 569         * testsuite/Makefile.in: Rebuild.
 570
 571 2011-06-27  Doug Kwan  <dougkwan@google.com>
 572
 573         * arm.cc (Arm_relocate_functions::thm_jump8,
 574         Arm_relocate_functions::thm_jump11): Use a wider signed
 575         type to compute offset.
 576         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
 577         arm_thm_jump8.
 578         * testsuite/Makefile.in: Regenerate.
 579         * testsuite/arm_branch_in_range.sh: Check test results of
 580         arm_thm_jump11 and arm_thm_jump8.
 581         * testsuite/arm_thm_jump11.s: New test source file.
 582         * testsuite/arm_thm_jump11.t: New linker script.
 583         * testsuite/arm_thm_jump8.s: New test source file.
 584         * testsuite/arm_thm_jump8.t: New linker script.
 585
 586 2011-06-24  Ian Lance Taylor  <iant@google.com>
 587
 588         * layout.cc: Include "object.h".
 589         (ctors_sections_in_init_array): New static variable.
 590         (Layout::is_ctors_in_init_array): New function.
 591         (Layout::layout): Add entry to ctors_sections_in_init_array if
 592         appropriate.
 593         * layout.h (class Layout): Declare is_ctors_in_init_array.
 594         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
 595         is_ctors_reverse_view is set.
 596         (Sized_relobj_file::write_sections): Add layout parameter.  Change
 597         all callers.  Set is_ctors_reverse_view field of View_size.
 598         (Sized_relobj_file::reverse_words): New function.
 599         * object.h (Sized_relobj_file::View_size): Add
 600         is_ctors_reverse_view field.
 601         (class Sized_relobj_file): Update declarations.
 602         * testsuite/initpri3.c: New test.
 603         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
 604         initpri3b.
 605         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
 606         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
 607         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
 608         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
 609         * testsuite/Makefile.in: Rebuild.
 610
 611 2011-06-24  Cary Coutant  <ccoutant@google.com>
 612
 613         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
 614         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
 615         (debug_msg_cdebug.err): New targets.
 616         * testsuite/Makefile.in: Regenerate.
 617         * testsuite/debug_msg.sh: Check output of link with compressed debug.
 618         Fix checks for link with shared library.
 619
 620 2011-06-24  Doug Kwan  <dougkwan@google.com>
 621
 622         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
 623         skip empty text sections.
 624         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
 625
 626 2011-06-22  Ian Lance Taylor  <iant@google.com>
 627
 628         PR gold/12910
 629         * options.h (class General_options): Add --ctors-in-init-array.
 630         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
 631         friends as SHT_PROGBITS for merging sections.
 632         (Layout::layout): Remove special handling of .init_array and
 633         friends.  Don't sort if doing relocatable link.  Sort for .ctors
 634         and .dtors if ctors_in_init_array.
 635         (Layout::make_output_section): Force correct section types for
 636         .init_array and friends.  Don't sort if doing relocatable link,
 637         Don't sort .ctors and .dtors if ctors_in_init_array.
 638         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
 639         (Layout::output_section_name): Add relobj parameter.  Change all
 640         callers.  Handle .ctors. and .dtors. in code rather than table.
 641         Handle .ctors and .dtors if ctors_in_init_array.
 642         (Layout::match_file_name): New function, moved from output.cc.
 643         * layout.h (class Layout): Update declarations.
 644         * output.cc: Include "layout.h".
 645         (Input_section_sort_entry::get_priority): New function.
 646         (Input_section_sort_entry::match_file_name): Just call
 647         Layout::match_file_name.
 648         (Output_section::Input_section_sort_init_fini_compare::operator()):
 649         Handle .ctors and .dtors.  Sort by explicit priority rather than
 650         by name.
 651         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
 652         * testsuite/initpri2.c: New test.
 653         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
 654         (check_PROGRAMS): Add initpri2.
 655         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
 656         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
 657         * configure, testsuite/Makefile.in: Rebuild.
 658
 659 2011-06-19  Ian Lance Taylor  <iant@google.com>
 660
 661         PR gold/12880
 662         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
 663         .interp section to a PT_INTERP segment even if we have seen a
 664         --dynamic-linker option.  Don't do it if we have seen a PHDRS
 665         clause in a linker script.
 666         (Layout::finalize): Don't create a .interp section if we've
 667         already create a PT_INTERP segment.
 668         (Layout::create_interp): Always call choose_output_section (revert
 669         patch of 2011-06-17).  Don't create PT_INTERP segment.
 670         * script-sections.cc
 671         (Script_sections::create_note_and_tls_segments): Add a .interp
 672         section to a PT_INTERP segment even if we have seen a
 673         --dynamic-linker option.
 674
 675 2011-06-18  Ian Lance Taylor  <iant@google.com>
 676
 677         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
 678         merely because a non-PT_LOAD segment has a dynamic reloc.
 679
 680 2011-06-18  Ian Lance Taylor  <iant@google.com>
 681
 682         * layout.cc (Layout::finish_dynamic_section): Don't create
 683         DT_FLAGS entry if not needed.
 684
 685 2011-06-18  Ian Lance Taylor  <iant@google.com>
 686
 687         PR gold/12745
 688         * layout.cc (Layout::layout_eh_frame): Correct handling of
 689         writable .eh_frame section.
 690
 691 2011-06-17  Ian Lance Taylor  <iant@google.com>
 692
 693         PR gold/12893
 694         * resolve.cc (Symbol_table::resolve): Don't give an error if a
 695         symbol is redefined with the exact same object and value.
 696
 697 2011-06-17  Ian Lance Taylor  <iant@google.com>
 698
 699         PR gold/12880
 700         * layout.h (class Layout): Add interp_segment_ field.
 701         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
 702         (Layout::attach_allocated_section_to_segment): If making shared
 703         library, put .interp section in PT_INTERP segment.
 704         (Layout::finalize): Also call create_interp if -dynamic-linker
 705         option was used.
 706         (Layout::create_interp): Assert that there is no PT_INTERP
 707         segment.  If not using a SECTIONS clause, use make_output_section.
 708         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
 709         * script-sections.cc
 710         (Script_sections::create_note_and_tls_segments): If making shared
 711         library, put .interp section in PT_INTERP segment.
 712
 713 2011-06-17  Ian Lance Taylor  <iant@google.com>
 714
 715         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
 716         when making a shared library.
 717
 718 2011-06-17  Ian Lance Taylor  <iant@google.com>
 719
 720         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
 721         parameter.  Change all callers.  Don't issue warning about PC32
 722         against locally defined symbol.
 723
 724 2011-06-16  Ian Lance Taylor  <iant@google.com>
 725
 726         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
 727         occurs in same object.
 728
 729 2011-06-14  Alan Modra  <amodra@gmail.com>
 730
 731         * po/POTFILES.in: Regenerate.
 732
 733 2011-06-09  Ian Lance Taylor  <iant@google.com>
 734
 735         * script-sections.cc
 736         (Orphan_output_section::set_section_addresses): For a relocatable
 737         link set address to 0.
 738
 739 2011-06-09  Cary Coutant  <ccoutant@google.com>
 740
 741         PR gold/12804
 742         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
 743         used with --compress-debug-sections.
 744         * gold/object.cc (Sized_relobj_file::do_layout): Report
 745         uncompressed size of compressed input sections.
 746
 747 2011-06-08  Cary Coutant  <ccoutant@google.com>
 748
 749         PR gold/12804
 750         * testsuite/two_file_test_2_v1.cc: Change initialization of
 751         v2 to keep it in .data.
 752
 753 2011-06-07  Cary Coutant  <ccoutant@google.com>
 754
 755         * common.cc (Symbol_table::do_allocate_commons_list): Call
 756         gold_fallback.
 757         * errors.cc (Errors::fatal): Adjust call to gold_exit.
 758         (Errors::fallback): New function.
 759         (gold_fallback): New function.
 760         * errors.h (Errors::fallback): New function.
 761         * gold.cc (gold_exit): Change status parameter to enum; adjust
 762         all callers.
 763         (queue_initial_tasks): Call gold_fallback.
 764         * gold.h: Include cstdlib.
 765         (Exit_status): New enum type.
 766         (gold_exit): Change status parameter to enum.
 767         (gold_fallback): New function.
 768         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
 769         (Layout::create_symtab_sections): Likewise.
 770         (Layout::create_shdrs): Likewise.
 771         * main.cc (main): Adjust call to gold_exit.
 772         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
 773         (Output_data_got::add_got_entry_pair): Likewise.
 774         (Output_section::add_input_section): Likewise.
 775         (Output_section::add_output_section_data): Likewise.
 776         (Output_segment::set_section_list_addresses): Likewise.
 777         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
 778
 779 2011-06-07  Cary Coutant  <ccoutant@google.com>
 780
 781         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
 782         for incremental links.
 783         * output.cc (Output_segment::set_section_list_addresses): Remove
 784         FIXME and test for TLS or BSS.
 785
 786 2011-06-07  Cary Coutant  <ccoutant@google.com>
 787
 788         * testsuite/Makefile.am: Add incremental_copy_test,
 789         incremental_common_test_1.
 790         * testsuite/Makefile.in: Regenerate.
 791         * testsuite/common_test_1_v1.c: New source file.
 792         * testsuite/common_test_1_v2.c: New source file.
 793         * testsuite/copy_test_v1.cc: New source file.
 794
 795 2011-06-07  Cary Coutant  <ccoutant@google.com>
 796
 797         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
 798         update, allocate common from bss section's free list.
 799         * incremental-dump.cc (dump_incremental_inputs): Print flag for
 800         linker-defined symbols.
 801         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 802         Skip GOT and PLT entries that are no longer referenced.
 803         (Output_section_incremental_inputs::write_info_blocks): Mark
 804         linker-defined symbols.
 805         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
 806         * output.cc (Output_section::allocate): New function.
 807         * output.h (Output_section::allocate): New function.
 808         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
 809         linker-defined symbols.
 810         (Symbol::override_base_with_special): Copy is_predefined_ flag.
 811         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
 812         (Symbol::init_base_output_data): Likewise.
 813         (Symbol::init_base_output_segment): Likewise.
 814         (Symbol::init_base_constant): Likewise.
 815         (Sized_symbol::init_output_data): Likewise.
 816         (Sized_symbol::init_output_segment): Likewise.
 817         (Sized_symbol::init_constant): Likewise.
 818         (Symbol_table::do_define_in_output_data): Likewise.
 819         (Symbol_table::do_define_in_output_segment): Likewise.
 820         (Symbol_table::do_define_as_constant): Likewise.
 821         * symtab.h (Symbol::is_predefined): New function.
 822         (Symbol::init_base_output_data): Add is_predefined parameter.
 823         (Symbol::init_base_output_segment): Likewise.
 824         (Symbol::init_base_constant): Likewise.
 825         (Symbol::is_predefined_): New data member.
 826         (Sized_symbol::init_output_data): Add is_predefined parameter.
 827         (Sized_symbol::init_output_segment): Likewise.
 828         (Sized_symbol::init_constant): Likewise.
 829         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
 830
 831 2011-06-07  Cary Coutant  <ccoutant@google.com>
 832
 833         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
 834         instead of emit_copy_reloc.
 835         (Copy_relocs::emit_copy_reloc): Refactor.
 836         (Copy_relocs::make_copy_reloc): New function.
 837         (Copy_relocs::add_copy_reloc): Remove.
 838         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
 839         section.
 840         (Copy_relocs::make_copy_reloc): New function.
 841         (Copy_relocs::add_copy_reloc): Remove.
 842         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
 843         unchanged input files.
 844         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
 845         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
 846         Reserve BSS space for COPY relocations.
 847         (Sized_incremental_binary::do_emit_copy_relocs): New function.
 848         (Output_section_incremental_inputs::write_info_blocks): Record
 849         whether a symbol is copied from a shared object.
 850         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
 851         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
 852         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
 853         (Incremental_input_entry_reader::get_output_symbol_index): Add
 854         is_copy parameter.
 855         (Incremental_binary::emit_copy_relocs): New function.
 856         (Incremental_binary::do_emit_copy_relocs): New function.
 857         (Sized_incremental_binary::Sized_incremental_binary): Initialize
 858         new data member.
 859         (Sized_incremental_binary::add_copy_reloc): New function.
 860         (Sized_incremental_binary::do_emit_copy_relocs): New function.
 861         (Sized_incremental_binary::Copy_reloc): New struct.
 862         (Sized_incremental_binary::Copy_relocs): New typedef.
 863         (Sized_incremental_binary::copy_relocs_): New data member.
 864         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
 865         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
 866         * target.h (Sized_target::emit_copy_reloc): New function.
 867         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
 868
 869 2011-06-02  Cary Coutant  <ccoutant@google.com>
 870
 871         PR gold/12163
 872         * gold/archive.cc (Archive::Archive): Initialize new data member.
 873         (Archive::include_all_members): Return if archive has already been
 874         included.
 875         * gold/archive.h (Archive::include_all_members_): New data member.
 876
 877 2011-06-02  Nick Clifton  <nickc@redhat.com>
 878
 879         * dynobj.h: Fix spelling mistake in comment.
 880         * output.cc: Likewise.
 881
 882 2011-05-31  Doug Kwan  <dougkwan@google.com>
 883             Asier Llano
 884
 885         PR gold/12826
 886         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
 887         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
 888         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
 889         redundant arm_exidx_test.so.
 890         * testsuite/Makefile.in: Regenerate.
 891         (check_SCRIPTS): Add pr12826.sh
 892         (check_DATA): Add pr12826.stdout
 893         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
 894         * testsuite/pr12826.sh: New file.
 895         * testsuite/pr12826_1.s: Ditto.
 896         * testsuite/pr12826_1.s: Ditto.
 897
 898 2011-05-30  Ian Lance Taylor  <iant@google.com>
 899
 900         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
 901         sections.
 902
 903 2011-05-29  Ian Lance Taylor  <iant@google.com>
 904
 905         PR gold/12804
 906         * testsuite/Makefile.am: Use different file name for two_file_test
 907         temporary file for each incremental test.
 908         * testsuite/Makefile.in: Rebuild.
 909
 910 2011-05-29  Ian Lance Taylor  <iant@google.com>
 911
 912         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
 913         binary input file is empty.
 914
 915 2011-05-27  Ian Lance Taylor  <iant@google.com>
 916
 917         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
 918         (ver_test_9.so): Likewise.
 919         * testsuite/Makefile.in: Rebuild.
 920
 921 2011-05-26 Cary Coutant  <ccoutant@google.com>
 922
 923         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
 924         * incremental.cc (Incremental_inputs::report_input_section): Fix
 925         comment, indentation.
 926         (Incremental_inputs::report_comdat_group): New function.
 927         (Output_section_incremental_inputs::set_final_data_size): Adjust size
 928         of data for incremental input file entry.
 929         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
 930         group count, COMDAT group signatures.
 931         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
 932         an unchanged input file.
 933         * incremental.h (Incremental_object_entry::Incremental_object_entry):
 934         Initialize new data member.
 935         (Incremental_object_entry::add_comdat_group): New function.
 936         (Incremental_object_entry::get_comdat_group_count): New function.
 937         (Incremental_object_entry::get_comdat_signature_key): New function.
 938         (Incremental_object_entry::groups_): New data member.
 939         (Incremental_inputs::report_comdat_group): New function.
 940         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
 941         data for incremental input file entry.
 942         (Incremental_input_entry_reader::get_comdat_group_count): New function.
 943         (Incremental_input_entry_reader::get_input_section): Adjust size of
 944         data for incremental input file entry.
 945         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
 946         (Incremental_input_entry_reader::get_comdat_group_signature): New
 947         function.
 948         * object.cc (Sized_relobj::include_section_group): Report kept
 949         COMDAT groups for incremental links.
 950
 951 2011-05-24  David Meyer  <pdox@google.com>
 952
 953         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
 954         with name parameter.  Add found_name parameter.
 955         * fileread.cc (Input_file::find_file): Adjust code accordingly.
 956         * dirsearch.h (class Dirsearch): Update declaration.
 957
 958 2011-05-24  Ian Lance Taylor  <iant@google.com>
 959
 960         * archive.cc (Library_base::should_include_member): Pull in object
 961         from archive if it defines the entry symbol.
 962         * parameters.cc (Parameters::entry): New function.
 963         * parameters.h (class Parameters): Declare entry.
 964         * output.h (class Output_file_header): Remove entry_ field.
 965         * output.cc (Output_file_header::Output_file_header): Remove entry
 966         parameter.  Change all callers.
 967         (Output_file_header::entry): Use parameters->entry.
 968         * gold.cc (queue_middle_tasks): Likewise.
 969         * plugin.cc (Plugin_hook::run): Likewise.
 970
 971 2011-05-24 Cary Coutant  <ccoutant@google.com>
 972
 973         * gold.cc (queue_initial_tasks): Pass incremental base filename
 974         to Output_file::open_base_file; don't print error message.
 975         * incremental-dump.cc (main): Adjust call to
 976         Output_file::open_for_modification.
 977         * incremental-dump.cc (main): Likewise.
 978         * incremental.cc (Incremental_inputs::report_command_line):
 979         Ignore --incremental-base option when comparing command lines.
 980         Ignore parameter when given as separate argument.
 981         * options.h (class General_options): Add --incremental-base.
 982         * output.cc (Output_file::Output_file):
 983         (Output_file::open_base_file): Add base_name and writable parameters;
 984         read base file into new file; print error message here.
 985         (Output_file::map_no_anonymous): Add writable parameter; adjust all
 986         callers.
 987         * output.h (Output_file::open_for_modification): Rename to...
 988         (Output_file::open_base_file): ...this; add base_name and
 989         writable parameters; adjust all callers.
 990         (Output_file::map_no_anonymous): Add writable parameter; adjust all
 991         callers.
 992         * testsuite/Makefile.am (incremental_test_4): Test
 993         --incremental-base.
 994         * testsuite/Makefile.in: Regenerate.
 995
 996 2011-05-24 Cary Coutant  <ccoutant@google.com>
 997
 998         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
 999         incremental_test_4.
1000         * testsuite/Makefile.in: Regenerate.
1001         * testsuite/two_file_test_1_v1.cc: New test source file.
1002         * testsuite/two_file_test_1b_v1.cc: New test source file.
1003         * testsuite/two_file_test_2_v1.cc: New test source file.
1004
1005 2011-05-24 Cary Coutant  <ccoutant@google.com>
1006
1007         * dynobj.h (Dynobj::do_dynobj): New function.
1008         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1009         flag and soname for shared objects.
1010         * incremental.cc (Incremental_inputs::report_object): Make
1011         either Incremental_object_entry or Incremental_dynobj_entry; add
1012         soname to string table.
1013         (Incremental_inputs::report_input_section): Add assertion.
1014         (Output_section_incremental_inputs::set_final_data_size): Adjust
1015         type of input file entry for shared libraries; adjust size of
1016         shared library info entry.
1017         (Output_section_incremental_inputs::write_input_files): Write
1018         as_needed flag for shared libraries.
1019         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1020         of input file entry for shared libraries; write soname.
1021         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1022         soname from incremental info.
1023         * incremental.h (enum Incremental_input_flags): Add
1024         INCREMENTAL_INPUT_AS_NEEDED.
1025         (Incremental_input_entry::Incremental_input_entry): Initialize new
1026         data member.
1027         (Incremental_input_entry::set_as_needed): New function.
1028         (Incremental_input_entry::as_needed): New function.
1029         (Incremental_input_entry::do_dynobj_entry): New function.
1030         (Incremental_input_entry::as_needed_): New data member.
1031         (Incremental_object_entry::Incremental_object_entry): Don't check
1032         for shared library.
1033         (Incremental_object_entry::do_type): Likewise.
1034         (class Incremental_dynobj_entry): New class.
1035         (Incremental_input_entry_reader::as_needed): New function.
1036         (Incremental_input_entry_reader::get_soname): New function.
1037         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1038         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1039         size of shared library info entry.
1040         * layout.cc (Layout::finish_dynamic_section): Don't test for
1041         incremental link when adding DT_NEEDED entries.
1042         * object.h (Object::Object): Initialize new data member.
1043         (Object::dynobj): New function.
1044         (Object::set_as_needed): New function.
1045         (Object::as_needed): New function.
1046         (Object::do_dynobj): New function.
1047         (Object::as_needed_): New data member.
1048
1049 2011-05-24 Cary Coutant  <ccoutant@google.com>
1050
1051         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1052         info; adjust display of GOT entries.
1053         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1054         vector of input objects; remove file_status_.
1055         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1056         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1057         got_plt reader; call target hooks to reserve GOT entries.
1058         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1059         of input file info header and GOT info entry.
1060         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1061         relocation info.
1062         (Got_plt_view_info::got_descriptor): Remove.
1063         (Got_plt_view_info::sym_index): New data member.
1064         (Got_plt_view_info::input_index): New data member.
1065         (Local_got_offset_visitor::visit): Write input file index.
1066         (Global_got_offset_visitor::visit): Write 0 for input file index.
1067         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1068         with sym_index and input_index.
1069         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1070         incremental info GOT entry; replace got_descriptor with input_index.
1071         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1072         map from input file index to object.
1073         (Sized_relobj_incr::do_layout): Replace direct data member reference
1074         with accessor function.
1075         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1076         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1077         Adjust size of input file info header.
1078         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1079         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1080         (Incremental_input_entry_reader::get_input_section): Adjust size of
1081         input file info header.
1082         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1083         of incremental info GOT entry.
1084         (Incremental_got_plt_reader::get_got_desc): Remove.
1085         (Incremental_got_plt_reader::get_got_symndx): New function.
1086         (Incremental_got_plt_reader::get_got_input_index): New function.
1087         (Sized_incremental_binary::Sized_incremental_binary): Remove
1088         file_status_; add input_objects_.
1089         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1090         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1091         (Sized_incremental_binary::file_is_unchanged): Remove.
1092         (Sized_incremental_binary::set_input_object): New function.
1093         (Sized_incremental_binary::input_object): New function.
1094         (Sized_incremental_binary::file_status_): Remove.
1095         (Sized_incremental_binary::input_objects_): New data member.
1096         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1097         references.
1098         (Sized_relobj_incr::invalid_address): Move to base class.
1099         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1100         class.
1101         (Sized_relobj_incr::do_output_section_offset): Likewise.
1102         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1103         (Sized_relobj_incr::section_offsets_): Likewise.
1104         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1105         function.
1106         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1107         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1108         with accessor function.
1109         (Sized_relobj_file::do_layout): Likewise.
1110         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1111         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1112         (Sized_relobj_file::compute_final_local_value): Replace refs to
1113         section_offsets_ with accessor function.
1114         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1115         * object.h (Relobj::Relobj): Initialize new data members.
1116         (Relobj::add_dyn_reloc): New function.
1117         (Relobj::first_dyn_reloc): New function.
1118         (Relobj::dyn_reloc_count): New function.
1119         (Relobj::first_dyn_reloc_): New data member.
1120         (Relobj::dyn_reloc_count_): New data member.
1121         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1122         references.
1123         (Sized_relobj::Address): New typedef.
1124         (Sized_relobj::invalid_address): Move here from child class.
1125         (Sized_relobj::Sized_relobj): Initialize new data members.
1126         (Sized_relobj::sized_relobj): New function.
1127         (Sized_relobj::is_output_section_offset_invalid): Move here from
1128         child class.
1129         (Sized_relobj::get_output_section_offset): Likewise.
1130         (Sized_relobj::local_has_got_offset): Likewise.
1131         (Sized_relobj::local_got_offset): Likewise.
1132         (Sized_relobj::set_local_got_offset): Likewise.
1133         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1134         (Sized_relobj::clear_got_offsets): New function.
1135         (Sized_relobj::section_offsets): Move here from child class.
1136         (Sized_relobj::do_output_section_offset): Likewise.
1137         (Sized_relobj::do_set_section_offset): Likewise.
1138         (Sized_relobj::Local_got_offsets): Likewise.
1139         (Sized_relobj::local_got_offsets_): Likewise.
1140         (Sized_relobj::section_offsets_): Likewise.
1141         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1142         references.
1143         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1144         class.
1145         (Sized_relobj_file::sized_relobj): New function
1146         (Sized_relobj_file::local_has_got_offset): Move to base class.
1147         (Sized_relobj_file::local_got_offset): Likewise.
1148         (Sized_relobj_file::set_local_got_offset): Likewise.
1149         (Sized_relobj_file::get_output_section_offset): Likewise.
1150         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1151         (Sized_relobj_file::do_output_section_offset): Likewise.
1152         (Sized_relobj_file::do_set_section_offset): Likewise.
1153         (Sized_relobj_file::Local_got_offsets): Likewise.
1154         (Sized_relobj_file::local_got_offsets_): Likewise.
1155         (Sized_relobj_file::section_offsets_): Likewise.
1156         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1157         (all constructors).
1158         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1159         (Output_reloc::get_symbol_index): Likewise.
1160         (Output_reloc::local_section_offset): Likewise.
1161         (Output_reloc::get_address): Likewise.
1162         (Output_reloc::symbol_value): Likewise.
1163         (Output_data_got::reserve_slot): Move to class definition.
1164         (Output_data_got::reserve_local): New function.
1165         (Output_data_got::reserve_slot_for_global): Remove.
1166         (Output_data_got::reserve_global): New function.
1167         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1168         (all constructors, two instantiations).
1169         (Output_reloc::get_relobj): New function (two instantiations).
1170         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1171         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1172         (Output_data_reloc::add_global): Adjust type of relobj.
1173         (Output_data_reloc::add_global_relative): Likewise.
1174         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1175         (Output_data_reloc::add_local): Likewise.
1176         (Output_data_reloc::add_local_relative): Likewise.
1177         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1178         (Output_data_reloc::add_local_section): Likewise.
1179         (Output_data_reloc::add_output_section): Likewise.
1180         (Output_data_reloc::add_absolute): Likewise.
1181         (Output_data_reloc::add_target_specific): Likewise.
1182         (Output_data_got::reserve_slot): Move definition here.
1183         (Output_data_got::reserve_local): New function.
1184         (Output_data_got::reserve_global): New function.
1185         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1186         section_offsets_ with accessor function.
1187         (Sized_relobj_file::write_sections): Likewise.
1188         (Sized_relobj_file::do_relocate_sections): Likewise.
1189         * target.h (Sized_target::reserve_local_got_entry): New function.
1190         (Sized_target::reserve_global_got_entry): New function.
1191         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1192         (Target_x86_64::reserve_global_got_entry): New function.
1193         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1194
1195 2011-05-23 Cary Coutant  <ccoutant@google.com>
1196
1197         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1198         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1199         bit when checking got_type.
1200         * incremental.cc (Sized_incremental_binary::setup_readers):
1201         Store symbol table and string table locations; initialize bit vector
1202         of file status flags.
1203         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1204         unchanged files.
1205         (Sized_incremental_binary::do_process_got_plt): New function.
1206         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1207         (Output_section_incremental_inputs::set_final_data_size): Record
1208         file index for each input file.
1209         (Output_section_incremental_inputs::write_got_plt): Store file index
1210         instead of input entry offset for each GOT entry.
1211         * incremental.h
1212         (Incremental_input_entry::Incremental_input_entry): Initialize new
1213         data member.
1214         (Incremental_input_entry::set_offset): Store file index.
1215         (Incremental_input_entry::get_file_index): New function.
1216         (Incremental_input_entry::file_index_): New data member.
1217         (Incremental_binary::process_got_plt): New function.
1218         (Incremental_binary::do_process_got_plt): New function.
1219         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1220         data members.
1221         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1222         (Sized_incremental_binary::set_file_is_unchanged): New function.
1223         (Sized_incremental_binary::file_is_unchanged): New function.
1224         (Sized_incremental_binary::do_process_got_plt): New function.
1225         (Sized_incremental_binary::file_status_): New data member.
1226         (Sized_incremental_binary::main_symtab_loc_): New data member.
1227         (Sized_incremental_binary::main_strtab_loc_): New data member.
1228         * output.cc (Output_data_got::Got_entry::write): Add case
1229         RESERVED_CODE.
1230         (Output_data_got::add_global): Call add_got_entry.
1231         (Output_data_got::add_global_plt): Likewise.
1232         (Output_data_got::add_global_with_rel): Likewise.
1233         (Output_data_got::add_global_with_rela): Likewise.
1234         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1235         (Output_data_got::add_global_pair_with_rela): Likewise.
1236         (Output_data_got::add_local): Call add_got_entry.
1237         (Output_data_got::add_local_plt): Likewise.
1238         (Output_data_got::add_local_with_rel): Likewise.
1239         (Output_data_got::add_local_with_rela): Likewise.
1240         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1241         (Output_data_got::add_local_pair_with_rela): Likewise.
1242         (Output_data_got::reserve_slot): New function.
1243         (Output_data_got::reserve_slot_for_global): New function.
1244         (Output_data_got::add_got_entry): New function.
1245         (Output_data_got::add_got_entry_pair): New function.
1246         (Output_section::add_output_section_data): Edit FIXME.
1247         * output.h
1248         (Output_section_data_build::Output_section_data_build): New
1249         constructor with size parameter.
1250         (Output_data_space::Output_data_space): Likewise.
1251         (Output_data_got::Output_data_got): Initialize new data member; new
1252         constructor with size parameter.
1253         (Output_data_got::add_constant): Call add_got_entry.
1254         (Output_data_got::reserve_slot): New function.
1255         (Output_data_got::reserve_slot_for_global): New function.
1256         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1257         (Output_data_got::add_got_entry): New function.
1258         (Output_data_got::add_got_entry_pair): New function.
1259         (Output_data_got::free_list_): New data member.
1260         * target.h (Sized_target::init_got_plt_for_update): New function.
1261         (Sized_target::register_global_plt_entry): New function.
1262         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1263         Initialize new data member; call init; add constructor with PLT count.
1264         (Output_data_plt_x86_64::init): New function.
1265         (Output_data_plt_x86_64::add_relocation): New function.
1266         (Output_data_plt_x86_64::reserve_slot): New function.
1267         (Output_data_plt_x86_64::free_list_): New data member.
1268         (Target_x86_64::init_got_plt_for_update): New function.
1269         (Target_x86_64::register_global_plt_entry): New function.
1270         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1271         incremental updates.
1272         (Output_data_plt_x86_64::add_relocation): New function.
1273         * testsuite/object_unittest.cc (Object_test): Set default options.
1274
1275 2011-05-16  Ian Lance Taylor  <iant@google.com>
1276
1277         * options.h (class General_options): Make -i a synonym for -r.
1278
1279 2011-05-16  Ian Lance Taylor  <iant@google.com>
1280
1281         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1282
1283 2011-05-10 Cary Coutant  <ccoutant@google.com>
1284
1285         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1286         strip_all (-s).
1287
1288 2011-05-06  Ian Lance Taylor  <iant@google.com>
1289
1290         * layout.cc (Layout::layout): If the output section flags change,
1291         update the ordering.
1292
1293 2011-04-25 Cary Coutant  <ccoutant@google.com>
1294
1295         * incremental-dump.cc (dump_incremental_inputs): Print local
1296         symbol info for each input file.
1297         * incremental.cc
1298         (Output_section_incremental_inputs::set_final_data_size): Add local
1299         symbol info to input file entries in incremental info.
1300         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1301         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1302         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1303         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1304         implementation.
1305         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1306         (Sized_incr_relobj::do_relocate): Write the local symbols.
1307         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1308         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1309         Adjust size of input file header.
1310         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1311         (Incremental_inputs_reader::get_local_symbol_count): New function.
1312         (Incremental_inputs_reader::get_input_section): Adjust size of input
1313         file header.
1314         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1315         (Sized_incr_relobj::This): New typedef.
1316         (Sized_incr_relobj::sym_size): New const data member.
1317         (Sized_incr_relobj::Local_symbol): New struct.
1318         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1319         (Sized_incr_relobj::do_local_symbol_offset): New function.
1320         (Sized_incr_relobj::local_symbol_count_): New data member.
1321         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1322         (Sized_incr_relobj::local_symbol_index_): New data member.
1323         (Sized_incr_relobj::local_symbol_offset_): New data member.
1324         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1325         (Sized_incr_relobj::local_symbols_): New data member.
1326         * object.h (Relobj::output_local_symbol_count): New function.
1327         (Relobj::local_symbol_offset): New function.
1328         (Relobj::do_output_local_symbol_count): New function.
1329         (Relobj::do_local_symbol_offset): New function.
1330         (Sized_relobj::do_output_local_symbol_count): New function.
1331         (Sized_relobj::do_local_symbol_offset): New function.
1332
1333 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1334
1335         * descriptors.cc (set_close_on_exec): New function.
1336         (Descriptors::open): Use set_close_on_exec.
1337         * output.cc (S_ISLNK): Define if not defined.
1338
1339 2011-04-22 Cary Coutant  <ccoutant@google.com>
1340
1341         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1342         global symbol map.
1343         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1344         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1345         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1346         relocations.
1347         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1348         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1349         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1350         * incremental.h
1351         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1352         function.
1353         (Incremental_binary::apply_incremental_relocs): New function.
1354         (Incremental_binary::do_apply_incremental_relocs): New function.
1355         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1356         data member.
1357         (Sized_incremental_binary::add_global_symbol): New function.
1358         (Sized_incremental_binary::global_symbol): New function.
1359         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1360         (Sized_incremental_binary::symbol_map_): New data member.
1361         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1362         * target.h (Sized_target::apply_relocation): New function.
1363         * target-reloc.h (apply_relocation): New function.
1364         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1365
1366 2011-04-22  Doug Kwan  <dougkwan@google.com>
1367
1368         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1369         flag of a SHT_ARM_EXIDX section.
1370         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1371         * testsuite/Makefile.in: Regenerate.
1372         * testsuite/arm_exidx_test.s: New file.
1373         * testsuite/arm_exidx_test.sh: Same.
1374
1375 2011-04-20 Cary Coutant  <ccoutant@google.com>
1376
1377         PR gold/12689
1378         * archive.h (Incremental_archive_entry::Archive_member):
1379         Initialize arg_serial_ (second constructor).
1380
1381 2011-04-17  Ian Lance Taylor  <iant@google.com>
1382
1383         * object.cc (Relocate_info::location): Simplify location string.
1384         * errors.cc (Errors::error_at_location): Don't print program
1385         name.
1386         (Errors::warning_at_location): Likewise.
1387         (Errors::undefined_symbol): Likewise.
1388         * testsuite/debug_msg.sh: Update accordingly.
1389
1390 2011-04-14 Cary Coutant  <ccoutant@google.com>
1391
1392         * gold/layout.cc (Layout::symtab_section_offset): New function.
1393         * gold/layout.h (Layout::symtab_section_offset): New function.
1394         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1395
1396 2011-04-12  Ian Lance Taylor  <iant@google.com>
1397
1398         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1399         with MREMAP_MAYMOVE.
1400         * output.h (class Output_file): Add map_is_allocated_ field.
1401         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1402         not available, provide stubs.  If mremap is not available, #define
1403         it to gold_mremap.
1404         (MREMAP_MAYMOVE): Define if not defined.
1405         (Output_file::Output_file): Initialize map_is_allocated_.
1406         (Output_file::resize): Check map_is_allocated_.
1407         (Output_file::map_anonymous): If mmap fails, use malloc.
1408         (Output_file::unmap): Don't do anything for an anonymous map.
1409         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1410         is not available, provide stubs.
1411         (File_read::View::~View): Use free rather than delete[].
1412         (File_read::make_view): Use malloc rather than new[].  If mmap
1413         fails, use malloc.
1414         (File_read::find_or_make_view): Use malloc rather than new[].
1415         * gold.h: Remove HAVE_REMAP code.
1416         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1417         exists.  Rename mremap to gold_mremap.  If mmap is not available
1418         don't do anything.
1419         * configure, config.in: Rebuild.
1420
1421 2011-04-11  Ian Lance Taylor  <iant@google.com>
1422
1423         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1424         initialize local variable v.
1425
1426 2011-04-11  Cary Coutant  <ccoutant@google.com>
1427
1428         * archive.cc (Archive::include_member): Adjust call to
1429         report_object.
1430         (Add_archive_symbols::run): Track argument serial numbers.
1431         (Lib_group::include_member): Likewise.
1432         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1433         * archive.h (Incremental_archive_entry::Archive_member):
1434         Initialize arg_serial_.
1435         (Archive_member::arg_serial_): New data member.
1436         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1437         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1438         incremental link.
1439         (Sized_dynobj::do_for_all_local_got_entries): New function.
1440         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1441         function.
1442         * fileread.cc (get_mtime): New function.
1443         * fileread.h (get_mtime): New function.
1444         * gold.cc (queue_initial_tasks): Check for incremental update.
1445         (process_incremental_input): New function.
1446         (queue_middle_tasks): Don't force valid target for incremental
1447         update.
1448         * incremental-dump.cc (find_input_containing_global): Adjust
1449         size of symbol info entry.
1450         (dump_incremental_inputs): Dump argument serial number and
1451         in_system_directory flag; bias shndx by 1; print symbol names
1452         when dumping per-file symbol lists; use new symbol info readers.
1453         * incremental.cc
1454         (Output_section_incremental_inputs:update_data_size): New function.
1455         (Sized_incremental_binary::setup_readers): Setup input readers
1456         for each input file; build maps for files added from libraries
1457         and scripts.
1458         (Sized_incremental_binary::check_input_args): New function.
1459         (Sized_incremental_binary::do_check_inputs): Build map of argument
1460         serial numbers to input arguments.
1461         (Sized_incremental_binary::do_file_has_changed): Rename
1462         do_file_is_unchanged to this; compare file modification times.
1463         (Sized_incremental_binary::do_init_layout): New function.
1464         (Sized_incremental_binary::do_reserve_layout): New function.
1465         (Sized_incremental_binary::do_get_input_reader): Remove.
1466         (Sized_incremental_binary::get_symtab_view): New function.
1467         (Incremental_checker::can_incrementally_link_output_file): Remove.
1468         (Incremental_inputs::report_command_line): Exclude --debug options.
1469         (Incremental_inputs::report_archive_begin): Add parameter; track
1470         argument serial numbers; don't put input file entry for archive
1471         before archive members.
1472         (Incremental_inputs::report_archive_end): Put input file entry
1473         for archive after archive members.
1474         (Incremental_inputs::report_object): Add parameter; track argument
1475         serial numbers and in_system_directory flag.
1476         (Incremental_inputs::report_script): Add parameter; track argument
1477         serial numbers.
1478         (Output_section_incremental_inputs::set_final_data_size): Adjust
1479         size of symbol info entry; check for forwarding symbols.
1480         (Output_section_incremental_inputs::write_input_files): Write
1481         in_system_directory flag and argument serial number.
1482         (Output_section_incremental_inputs::write_info_blocks): Map section
1483         indices between incremental info and original input file; store
1484         input section index for each symbol.
1485         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1486         change operator() to visit().
1487         (class Global_got_offset_visitor): Likewise.
1488         (class Global_symbol_visitor_got_plt):
1489         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1490         classes.
1491         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1492         (Sized_incr_relobj::do_read_symbols): New function.
1493         (Sized_incr_relobj::do_layout): New function.
1494         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1495         (Sized_incr_relobj::do_add_symbols): New function.
1496         (Sized_incr_relobj::do_should_include_member): New function.
1497         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1498         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1499         (Sized_incr_relobj::do_section_size): New function.
1500         (Sized_incr_relobj::do_section_name): New function.
1501         (Sized_incr_relobj::do_section_contents): New function.
1502         (Sized_incr_relobj::do_section_flags): New function.
1503         (Sized_incr_relobj::do_section_entsize): New function.
1504         (Sized_incr_relobj::do_section_address): New function.
1505         (Sized_incr_relobj::do_section_type): New function.
1506         (Sized_incr_relobj::do_section_link): New function.
1507         (Sized_incr_relobj::do_section_info): New function.
1508         (Sized_incr_relobj::do_section_addralign): New function.
1509         (Sized_incr_relobj::do_initialize_xindex): New function.
1510         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1511         (Sized_incr_relobj::do_read_relocs): New function.
1512         (Sized_incr_relobj::do_gc_process_relocs): New function.
1513         (Sized_incr_relobj::do_scan_relocs): New function.
1514         (Sized_incr_relobj::do_count_local_symbols): New function.
1515         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1516         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1517         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1518         (Sized_incr_relobj::do_relocate): New function.
1519         (Sized_incr_relobj::do_set_section_offset): New function.
1520         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1521         (Sized_incr_dynobj::do_read_symbols): New function.
1522         (Sized_incr_dynobj::do_layout): New function.
1523         (Sized_incr_dynobj::do_add_symbols): New function.
1524         (Sized_incr_dynobj::do_should_include_member): New function.
1525         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1526         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1527         (Sized_incr_dynobj::do_section_size): New function.
1528         (Sized_incr_dynobj::do_section_name): New function.
1529         (Sized_incr_dynobj::do_section_contents): New function.
1530         (Sized_incr_dynobj::do_section_flags): New function.
1531         (Sized_incr_dynobj::do_section_entsize): New function.
1532         (Sized_incr_dynobj::do_section_address): New function.
1533         (Sized_incr_dynobj::do_section_type): New function.
1534         (Sized_incr_dynobj::do_section_link): New function.
1535         (Sized_incr_dynobj::do_section_info): New function.
1536         (Sized_incr_dynobj::do_section_addralign): New function.
1537         (Sized_incr_dynobj::do_initialize_xindex): New function.
1538         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1539         (make_sized_incremental_object): New function.
1540         (Incremental_library::copy_unused_symbols): New function.
1541         (Incremental_library::do_for_all_unused_symbols): New function.
1542         * incremental.h (enum Incremental_input_flags): New type.
1543         (class Incremental_checker): Remove.
1544         (Incremental_input_entry::Incremental_input_entry): Add argument
1545         serial number.
1546         (Incremental_input_entry::arg_serial): New function.
1547         (Incremental_input_entry::set_is_in_system_directory): New function.
1548         (Incremental_input_entry::is_in_system_directory): New function.
1549         (Incremental_input_entry::arg_serial_): New data member.
1550         (Incremental_input_entry::is_in_system_directory_): New data member.
1551         (class Script_info): Move here from script.h.
1552         (Script_info::Script_info): Add filename parameter.
1553         (Script_info::filename): New function.
1554         (Script_info::filename_): New data member.
1555         (Incremental_script_entry::Incremental_script_entry): Add argument
1556         serial number.
1557         (Incremental_object_entry::Incremental_object_entry): Likewise.
1558         (Incremental_object_entry::add_input_section): Build list of input
1559         sections with map to original shndx.
1560         (Incremental_object_entry::get_input_section_index): New function.
1561         (Incremental_object_entry::shndx_): New data member.
1562         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1563         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1564         (Incremental_archive_entry::Incremental_archive_entry): Add argument
1565         serial number.
1566         (Incremental_inputs::report_archive_begin): Likewise.
1567         (Incremental_inputs::report_object): Likewise.
1568         (Incremental_inputs::report_script): Likewise.
1569         (class Incremental_global_symbol_reader): New class.
1570         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1571         and store flags and input file type.
1572         (Incremental_input_entry_reader::arg_serial): New function.
1573         (Incremental_input_entry_reader::type): Extract type from flags.
1574         (Incremental_input_entry_reader::is_in_system_directory): New function.
1575         (Incremental_input_entry_reader::get_input_section_count): Call
1576         accessor function for type.
1577         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1578         function for type; adjust size of global symbol entry.
1579         (Incremental_input_entry_reader::get_global_symbol_count): Call
1580         accessor function for type.
1581         (Incremental_input_entry_reader::get_object_count): Likewise.
1582         (Incremental_input_entry_reader::get_object_offset): Likewise.
1583         (Incremental_input_entry_reader::get_member_count): Likewise.
1584         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1585         (Incremental_input_entry_reader::get_member_offset): Likewise.
1586         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1587         (Incremental_input_entry_reader::Global_symbol_info): Remove.
1588         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1589         (Incremental_input_entry_reader::get_global_symbol_reader): New
1590         function.
1591         (Incremental_input_entry_reader::get_output_symbol_index): New
1592         function.
1593         (Incremental_input_entry_reader::type_): Remove.
1594         (Incremental_input_entry_reader::flags_): New data member.
1595         (Incremental_inputs_reader::input_file_offset): New function.
1596         (Incremental_inputs_reader::input_file_index): New function.
1597         (Incremental_inputs_reader::input_file): Call input_file_offset.
1598         (Incremental_inputs_reader::input_file_at_offset): New function.
1599         (Incremental_relocs_reader::get_r_type): Reformat.
1600         (Incremental_relocs_reader::get_r_shndx): Reformat.
1601         (Incremental_relocs_reader::get_r_offset): Reformat.
1602         (Incremental_relocs_reader::data): New function.
1603         (Incremental_binary::Incremental_binary): Initialize new data members.
1604         (Incremental_binary::check_inputs): Add cmdline parameter.
1605         (Incremental_binary::file_is_unchanged): Remove.
1606         (Input_reader::arg_serial): New function.
1607         (Input_reader::get_unused_symbol_count): New function.
1608         (Input_reader::get_unused_symbol): New function.
1609         (Input_reader::do_arg_serial): New function.
1610         (Input_reader::do_get_unused_symbol_count): New function.
1611         (Input_reader::do_get_unused_symbol): New function.
1612         (Incremental_binary::input_file_count): New function.
1613         (Incremental_binary::get_input_reader): Change signature to use
1614         index instead of filename.
1615         (Incremental_binary::file_has_changed): New function.
1616         (Incremental_binary::get_input_argument): New function.
1617         (Incremental_binary::get_library): New function.
1618         (Incremental_binary::get_script_info): New function.
1619         (Incremental_binary::init_layout): New function.
1620         (Incremental_binary::reserve_layout): New function.
1621         (Incremental_binary::output_file): New function.
1622         (Incremental_binary::do_check_inputs): New function.
1623         (Incremental_binary::do_file_is_unchanged): Remove.
1624         (Incremental_binary::do_file_has_changed): New function.
1625         (Incremental_binary::do_init_layout): New function.
1626         (Incremental_binary::do_reserve_layout): New function.
1627         (Incremental_binary::do_input_file_count): New function.
1628         (Incremental_binary::do_get_input_reader): Change signature.
1629         (Incremental_binary::input_args_map_): New data member.
1630         (Incremental_binary::library_map_): New data member.
1631         (Incremental_binary::script_map_): New data member.
1632         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1633         new data members.
1634         (Sized_incremental_binary::output_section): New function.
1635         (Sized_incremental_binary::inputs_reader): Add const.
1636         (Sized_incremental_binary::symtab_reader): Add const.
1637         (Sized_incremental_binary::relocs_reader): Add const.
1638         (Sized_incremental_binary::got_plt_reader): Add const.
1639         (Sized_incremental_binary::get_symtab_view): New function.
1640         (Sized_incremental_binary::Inputs_reader): New typedef.
1641         (Sized_incremental_binary::Input_entry_reader): New typedef.
1642         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
1643         (Sized_incremental_binary::do_file_is_unchanged): Remove.
1644         (Sized_incremental_binary::do_file_has_changed): New function.
1645         (Sized_incremental_binary::do_init_layout): New function.
1646         (Sized_incremental_binary::do_reserve_layout): New function.
1647         (Sized_input_reader::Inputs_reader): Remove.
1648         (Sized_input_reader::Input_entry_reader): Remove.
1649         (Sized_input_reader::do_arg_serial): New function.
1650         (Sized_input_reader::do_get_unused_symbol_count): New function.
1651         (Sized_input_reader::do_get_unused_symbol): New function.
1652         (Sized_incremental_binary::do_input_file_count): New function.
1653         (Sized_incremental_binary::do_get_input_reader): Change signature;
1654         use index instead of filename.
1655         (Sized_incremental_binary::section_map_): New data member.
1656         (Sized_incremental_binary::input_entry_readers_): New data member.
1657         (class Sized_incr_relobj): New class.
1658         (class Sized_incr_dynobj): New class.
1659         (make_sized_incremental_object): New function.
1660         (class Incremental_library): New class.
1661         * layout.cc (Free_list::num_lists): New static data member.
1662         (Free_list::num_nodes): New static data member.
1663         (Free_list::num_removes): New static data member.
1664         (Free_list::num_remove_visits): New static data member.
1665         (Free_list::num_allocates): New static data member.
1666         (Free_list::num_allocate_visits): New static data member.
1667         (Free_list::init): New function.
1668         (Free_list::remove): New function.
1669         (Free_list::allocate): New function.
1670         (Free_list::dump): New function.
1671         (Free_list::print_stats): New function.
1672         (Layout_task_runner::run): Resize output file for incremental updates.
1673         (Layout::Layout): Initialize new data members.
1674         (Layout::set_incremental_base): New function.
1675         (Layout::init_fixed_output_section): New function.
1676         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
1677         incremental updates.
1678         (Layout::create_gold_note): Do not create gold note section for
1679         incremental updates.
1680         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
1681         for incremental updates.
1682         (Layout::set_section_offsets): For incremental updates, allocate space
1683         from free list.
1684         (Layout::create_symtab_sections): Layout with offsets relative to
1685         start of section; for incremental updates, allocate space from free
1686         list.
1687         (Layout::create_shdrs): For incremental updates, allocate space from
1688         free list.
1689         (Layout::finish_dynamic_section): For incremental updates, do not
1690         check --as-needed (fixed in subsequent patch).
1691         * layout.h (class Free_list): New class.
1692         (Layout::set_incremental_base): New function.
1693         (Layout::incremental_base): New function.
1694         (Layout::init_fixed_output_section): New function.
1695         (Layout::allocate): New function.
1696         (Layout::incremental_base_): New data member.
1697         (Layout::free_list_): New data member.
1698         * main.cc (main): Print Free_list statistics.
1699         * object.cc (Relobj::finalize_incremental_relocs): Add
1700         clear_counts parameter; clear counts only when clear_counts is set.
1701         (Sized_relobj::Sized_relobj): Initialize new base class.
1702         (Sized_relobj::do_layout): Don't report special sections.
1703         (Sized_relobj::do_for_all_local_got_entries): New function.
1704         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
1705         symtab_off to all symbol table offsets.
1706         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
1707         * object.h (class Got_offset_list): Move to top of file.
1708         (Object::Object): Allow case where input_file == NULL.
1709         (Object::~Object): Likewise.
1710         (Object::input_file): Assert that input_file != NULL.
1711         (Object::lock): Allow case where input_file == NULL.
1712         (Object::unlock): Likewise.
1713         (Object::is_locked): Likewise.
1714         (Object::token): Likewise.
1715         (Object::release): Likewise.
1716         (Object::is_incremental): New function.
1717         (Object::get_mtime): New function.
1718         (Object::for_all_local_got_entries): New function.
1719         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
1720         (Object::set_is_in_system_directory): New function.
1721         (Object::is_in_system_directory): New function.
1722         (Object::do_is_incremental): New function.
1723         (Object::do_get_mtime): New function.
1724         (Object::do_for_all_local_got_entries): New function.
1725         (Object::is_in_system_directory_): New data member.
1726         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
1727         (class Sized_relobj_base): New class.
1728         (class Sized_relobj): Derive from Sized_relobj_base.
1729         (class Sized_relobj::Symbols): Redeclare from base class.
1730         (class Sized_relobj::local_got_offset_list): Remove.
1731         (class Sized_relobj::Output_sections): Redeclare from base class.
1732         (class Sized_relobj::do_for_all_local_got_entries): New function.
1733         (class Sized_relobj::write_local_symbols): Add offset parameter.
1734         (class Sized_relobj::local_symbol_offset_): Update comment.
1735         (class Sized_relobj::local_dynsym_offset_): Update comment.
1736         * options.cc (Input_arguments::add_file): Remove const.
1737         * options.h (Input_file_argument::Input_file_argument):
1738         Initialize arg_serial_ (all constructors).
1739         (Input_file_argument::set_arg_serial): New function.
1740         (Input_file_argument::arg_serial): New function.
1741         (Input_file_argument::arg_serial_): New data member.
1742         (Input_arguments::Input_arguments): Initialize file_count_.
1743         (Input_arguments::add_file): Remove const.
1744         (Input_arguments::number_of_input_files): New function.
1745         (Input_arguments::file_count_): New data member.
1746         (Command_line::number_of_input_files): Call
1747         Input_arguments::number_of_input_files.
1748         * output.cc (Output_segment_headers::Output_segment_headers):
1749         Set current size.
1750         (Output_section::Input_section::current_data_size): New function.
1751         (Output_section::Output_section): Initialize new data members.
1752         (Output_section::add_input_section): Don't do merge sections for
1753         an incremental link; allocate space from free list for an
1754         incremental update.
1755         (Output_section::add_output_section_data): Allocate space from
1756         free list for an incremental update.
1757         (Output_section::update_data_size): New function.
1758         (Output_section::set_fixed_layout): New function.
1759         (Output_section::reserve): New function.
1760         (Output_segment::set_section_addresses): Remove const.
1761         (Output_segment::set_section_list_addresses): Remove const; allocate
1762         space from free list for an incremental update.
1763         (Output_segment::set_offset): Adjust size of RELRO segment for an
1764         incremental update.
1765         * output.h (Output_data::current_data_size): Move here from
1766         child classes.
1767         (Output_data::pre_finalize_data_size): New function.
1768         (Output_data::update_data_size): New function.
1769         (Output_section_headers::update_data_size): new function.
1770         (Output_section_data_build::current_data_size): Move to Output_data.
1771         (Output_data_strtab::update_data_size): New function.
1772         (Output_section::current_data_size): Move to Output_data.
1773         (Output_section::set_fixed_layout): New function.
1774         (Output_section::has_fixed_layout): New function.
1775         (Output_section::reserve): New function.
1776         (Output_section::update_data_size): New function.
1777         (Output_section::has_fixed_layout_): New data member.
1778         (Output_section::free_list_): New data member.
1779         (Output_segment::set_section_addresses): Remove const.
1780         (Output_segment::set_section_list_addresses): Remove const.
1781         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
1782         New function.
1783         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
1784         New function.
1785         * readsyms.cc (Read_symbols::do_read_symbols): Add library
1786         parameter when calling Add_symbols constructor; store argument
1787         serial number for members of a lib group.
1788         (Add_symbols::locks): Allow case where token == NULL.
1789         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
1790         (Read_member::~Read_member): New function.
1791         (Read_member::is_runnable): New function.
1792         (Read_member::locks): New function.
1793         (Read_member::run): New function.
1794         (Check_script::~Check_script): New function.
1795         (Check_script::is_runnable): New function.
1796         (Check_script::locks): New function.
1797         (Check_script::run): New function.
1798         (Check_library::~Check_library): New function.
1799         (Check_library::is_runnable): New function.
1800         (Check_library::locks): New function.
1801         (Check_library::run): New function.
1802         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
1803         (Add_symbols::library_): New data member.
1804         (class Read_member): New class.
1805         (class Check_script): New class.
1806         (class Check_library): New class.
1807         * reloc.cc (Read_relocs::is_runnable): Allow case where
1808         token == NULL.
1809         (Read_relocs::locks): Likewise.
1810         (Scan_relocs::locks): Likewise.
1811         (Relocate_task::locks): Likewise.
1812         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
1813         to clear counters.
1814         (Sized_relobj::incremental_relocs_scan): Fix comment.
1815         (Sized_relobj::do_relocate): Pass output file offset to
1816         write_local_symbols.
1817         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
1818         from class declaration.
1819         * script.cc (read_input_script): Allocate Script_info; pass
1820         argument serial number to report_script.
1821         * script.h (class Script_info): Move to incremental.h.
1822         * symtab.cc (Symbol_table::add_from_incrobj): New function.
1823         * symtab.h (Symbol_table::add_from_incrobj): New function.
1824         (Symbol_table::set_file_offset): New function.
1825
1826 2011-04-05  Cary Coutant  <ccoutant@google.com>
1827
1828         * incremental-dump.cc (dump_incremental_inputs): Change signature
1829         to take a Sized_incremental_binary; change caller.  Use readers
1830         in Sized_incremental_binary.
1831         * incremental.cc
1832         (Sized_incremental_binary::find_incremental_inputs_sections):
1833         Rename do_find_incremental_inputs_sections to this.
1834         (Sized_incremental_binary::setup_readers): New function.
1835         (Sized_incremental_binary::do_check_inputs): Check
1836         has_incremental_info_ flag; move setup code to setup_readers;
1837         use input readers.
1838         (Sized_incremental_binary::do_file_is_unchanged): New function.
1839         (Sized_incremental_binary::do_get_input_reader): New function.
1840         * incremental.h (class Incremental_binary): Move to end of file.
1841         (Incremental_binary::file_is_unchanged): New function.
1842         (Incremental_binary::do_file_is_unchanged): New function.
1843         (Incremental_binary::Input_reader): New class.
1844         (Incremental_binary::get_input_reader): New function.
1845         (class Sized_incremental_binary): Move to end of file.
1846         (Sized_incremental_binary::Sized_incremental_binary): Setup the
1847         input section reader classes.
1848         (Sized_incremental_binary::has_incremental_info): New function.
1849         (Sized_incremental_binary::inputs_reader): New function.
1850         (Sized_incremental_binary::symtab_reader): New function.
1851         (Sized_incremental_binary::relocs_reader): New function.
1852         (Sized_incremental_binary::got_plt_reader): New function.
1853         (Sized_incremental_binary::do_file_is_unchanged): New function.
1854         (Sized_incremental_binary::Sized_input_reader): New class.
1855         (Sized_incremental_binary::get_input_reader): New function.
1856         (Sized_incremental_binary::find_incremental_inputs_sections):
1857         Rename do_find_incremental_inputs_sections to this.
1858         (Sized_incremental_binary::setup_readers): New function.
1859         (Sized_incremental_binary::has_incremental_info_): New data member.
1860         (Sized_incremental_binary::inputs_reader_): New data member.
1861         (Sized_incremental_binary::symtab_reader_): New data member.
1862         (Sized_incremental_binary::relocs_reader_): New data member.
1863         (Sized_incremental_binary::got_plt_reader_): New data member.
1864         (Sized_incremental_binary::current_input_file_): New data member.
1865
1866 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
1867
1868         PR gold/12640
1869         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
1870         violation.
1871
1872 2011-03-30  Cary Coutant  <ccoutant@google.com>
1873
1874         * archive.cc (Archive::include_member): Adjust call to report_object.
1875         (Add_archive_symbols::run): Add script_info to call to
1876         report_archive_begin.
1877         (Lib_group::include_member): Adjust call to report_object.
1878         (Add_lib_group_symbols::run): Adjust call to report_object.
1879         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
1880         blocks.  Add object count for script input files.
1881         * incremental.cc (Incremental_inputs::report_archive_begin): Add
1882         script_info parameter; change all callers.
1883         (Incremental_inputs::report_object): Add script_info parameter;
1884         change all callers.
1885         (Incremental_inputs::report_script): Store backpointer to
1886         incremental info entry.
1887         (Output_section_incremental_inputs::set_final_data_size): Record
1888         additional information for scripts.
1889         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1890         * incremental.h (Incremental_script_entry::add_object): New function.
1891         (Incremental_script_entry::get_object_count): New function.
1892         (Incremental_script_entry::get_object): New function.
1893         (Incremental_script_entry::objects_): New data member; adjust
1894         constructor.
1895         (Incremental_inputs::report_archive_begin): Add script_info parameter.
1896         (Incremental_inputs::report_object): Add script_info parameter.
1897         (Incremental_inputs_reader::get_object_count): New function.
1898         (Incremental_inputs_reader::get_object_offset): New function.
1899         * options.cc (Input_arguments::add_file): Return reference to
1900         new input argument.
1901         * options.h (Input_argument::set_script_info): New function.
1902         (Input_argument::script_info): New function.
1903         (Input_argument::script_info_): New data member; adjust all
1904         constructors.
1905         (Input_file_group::add_file): Return reference to new input argument.
1906         (Input_file_lib::add_file): Likewise.
1907         (Input_arguments::add_file): Likewise.
1908         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
1909         * script.cc (Parser_closure::Parser_closure): Add script_info
1910         parameter; adjust all callers.
1911         (Parser_closure::script_info): New function.
1912         (Parser_closure::script_info_): New data member.
1913         (read_input_script): Report scripts earlier to incremental info.
1914         (script_add_file): Set script_info in Input_argument.
1915         (script_add_library): Likewise.
1916         * script.h (Script_options::Script_info): Rewrite class.
1917
1918 2011-03-29  Cary Coutant  <ccoutant@google.com>
1919
1920         * archive.cc (Library_base::should_include_member): Move
1921         method here from class Archive.
1922         (Archive::Archive): Initialize base class.
1923         (Archive::should_include_member): Move to base class.
1924         (Archive::do_for_all_unused_symbols): New function.
1925         (Add_archive_symbols::run): Remove redundant access to
1926         incremental_inputs.
1927         (Lib_group::Lib_group): Initialize base class.
1928         (Lib_group::do_filename): New function.
1929         (Lib_group::include_member): Pass pointer to Lib_group to
1930         report_object.
1931         (Lib_group::do_for_all_unused_symbols): New function.
1932         (Add_lib_group_symbols::run): Report archive information for
1933         incremental links.
1934         * archive.h (class Library_base): New base class.
1935         (class Archive): Derive from Library_base.
1936         (Archive::filename): Move to base class.
1937         (Archive::set_incremental_info): Likewise.
1938         (Archive::incremental_info): Likewise.
1939         (Archive::Should_include): Likewise.
1940         (Archive::should_include_member): Likewise.
1941         (Archive::Armap_entry): Remove.
1942         (Archive::Unused_symbol_iterator): Remove.
1943         (Archive::unused_symbols_begin): Remove.
1944         (Archive::unused_symbols_end): Remove.
1945         (Archive::do_filename): New function.
1946         (Archive::do_get_mtime): New function.
1947         (Archive::do_for_all_unused_symbols): New function.
1948         (Archive::task_): Move to base class.
1949         (Archive::incremental_info_): Likewise.
1950         (class Lib_group): Derive from Library_base.
1951         (Lib_group::do_filename): New function.
1952         (Lib_group::do_get_mtime): New function.
1953         (Lib_group::do_for_all_unused_symbols): New function.
1954         (Lib_group::task_): Move to base class.
1955         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
1956         function.
1957         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
1958         function.
1959         * incremental.cc (Incremental_inputs::report_archive_begin):
1960         Use Library_base; call library's get_mtime; add incremental inputs
1961         entry before members.
1962         (class Unused_symbol_visitor): New class.
1963         (Incremental_inputs::report_archive_end): Use Library_base; use
1964         visitor class to record unused symbols; don't add incremental inputs
1965         entry after members.
1966         (Incremental_inputs::report_object): Use Library_base.
1967         * incremental.h
1968         (Incremental_archive_entry::Incremental_archive_entry): Remove
1969         unused Archive parameter.
1970         (Incremental_inputs::report_archive_begin): Use Library_base.
1971         (Incremental_inputs::report_archive_end): Likewise.
1972         (Incremental_inputs::report_object): Likewise.
1973         * object.cc (Sized_relobj::do_for_all_global_symbols): New
1974         function.
1975         * object.h (Object::for_all_global_symbols): New function.
1976         (Object::do_for_all_global_symbols): New function.
1977         (Sized_relobj::do_for_all_global_symbols): New function.
1978         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
1979         function.
1980         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
1981         function.
1982
1983 2011-03-27  Ian Lance Taylor  <iant@google.com>
1984
1985         * archive.cc (Archive::interpret_header): Return -1 if something
1986         goes wrong.  Change callers accordingly.
1987
1988 2011-03-25  Cary Coutant  <ccoutant@google.com>
1989
1990         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
1991         * testsuite/Makefile.in: Regenerate.
1992
1993 2010-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
1994
1995         * plugin.cc (get_view): New.
1996         (Plugin::load): Pass get_view to the plugin.
1997         (Plugin_manager::get_view): New.
1998
1999 2011-03-21  Ian Lance Taylor  <iant@google.com>
2000
2001         * testsuite/final_layout.sh: Rewrite to not use dc.
2002         * testsuite/relro_test.sh: Fail if dc is not present.
2003
2004 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2005
2006         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2007         Change == to -eq.
2008         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2009         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2010         Change == to -eq.
2011         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2012         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2013
2014 2011-03-14  Ian Lance Taylor  <iant@google.com>
2015
2016         * script-sections.cc (Sort_output_sections::script_compare):
2017         Rename from is_before, change return type.
2018         (Sort_output_sections::operator()): Adjust accordingly.
2019
2020 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2021
2022         PR gold/12572
2023         * testsuite/odr_violation2.cc: Add comment to make all error line
2024         numbers double digits.
2025         * testsuite/debug_msg.sh: Adjust expected errors.
2026
2027 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2028
2029         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2030         but mark earlier ones as non-canonical
2031         (offset_to_iterator): Update search target and example
2032         (do_addr2line): Return extra lines in a vector*
2033         (format_file_lineno): Extract from do_addr2line
2034         (one_addr2line): Add vector* out-param
2035         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2036         when a lineno entry appeared last for its instruction
2037         (Dwarf_line_info): Add vector* out-param
2038         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2039         * symtab.cc (Odr_violation_compare): Include the lineno in the
2040         comparison again.
2041         (linenos_from_loc): New. Combine the canonical line for an
2042         address with its other lines.
2043         (True_if_intersect): New. Helper functor to make
2044         std::set_intersection a query.
2045         (detect_odr_violations): Compare sets of lines instead of just
2046         one line for each function. This became less deterministic, but
2047         has fewer false positives.
2048         * symtab.h: Declarations.
2049         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2050         mix an optimized and non-optimized object in the same binary
2051         (odr_violation2.so): Same.
2052         * testsuite/Makefile.in: Regenerate from Makefile.am.
2053         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2054         * testsuite/debug_msg.sh: Update line numbers and add
2055         assertions.
2056         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2057         non-optimized context.
2058         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2059         isn't inlined, and use OdrDerived in an optimized context.
2060         * testsuite/odr_header1.h: Defines OdrDerived, where
2061         optimization will change the
2062         first-instruction-in-the-destructor's file and line number.
2063         * testsuite/odr_header2.h: Defines OdrBase.
2064
2065 2011-03-09  Ian Lance Taylor  <iant@google.com>
2066
2067         * fileread.cc (File_read::clear_views): Don't delete the whole
2068         file view.
2069
2070 2011-03-08  Ian Lance Taylor  <iant@google.com>
2071
2072         PR gold/12525
2073         * fileread.cc: #include <climits>.
2074         (GOLD_IOV_MAX): Define.
2075         (File_read::read_multiple): Limit number of entries by iov_max.
2076         * fileread.h (class File_read): Always set max_readv_entries to
2077         128.
2078
2079 2011-03-07  Ian Lance Taylor  <iant@google.com>
2080
2081         PR gold/12525
2082         * options.h (class General_options): Add -dy and -dn.
2083
2084 2011-03-02  Cary Coutant  <ccoutant@google.com>
2085
2086         * testsuite/script_test_9.t: Add TLS segment.
2087
2088 2011-03-02  Simon Baldwin  <simonb@google.com>
2089
2090         * configure.ac: Add check for gnu_indirect_function support in
2091         the toolchain building binutils.
2092         * configure: Rebuild.
2093
2094 2010-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2095
2096         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2097         plugin only symbols.
2098         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2099         in plugin files as not needed in the symbol table.
2100
2101 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2102
2103         * output.cc (Output_section::add_input_section): Delay fill
2104         generation for section ordering.
2105
2106 2011-02-09  Ian Lance Taylor  <iant@google.com>
2107
2108         PR gold/12316
2109         * object.h (class Sized_relobj): Remove clear_local_symbols.
2110         * reloc.cc (Sized_relobj::do_relocate): Don't call
2111         clear_local_symbols.
2112
2113 2010-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2114
2115         * plugin.cc (is_visible_from_outside): Return true for symbols
2116         in the -u option.
2117
2118 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2119
2120         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2121         filename.
2122
2123 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2124
2125         * icf.h (is_section_foldable_candidate): Change type of parameter
2126         to std::string.
2127         * icf.cc (Icf::find_identical_sections): Change type of local variable
2128         section_name to be std::string.
2129         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2130
2131 2011-01-25  Ian Lance Taylor  <iant@google.com>
2132
2133         * script.cc (script_add_extern): Rewrite to use
2134         add_symbol_reference.
2135
2136 2011-01-25  Doug Kwan  <dougkwan@google.com>
2137
2138         * icf.cc (get_section_contents): Always lock section's object.
2139
2140 2011-01-24  Ian Lance Taylor  <iant@google.com>
2141
2142         * options.h (class General_options): Accept
2143         --no-detect-odr-violations.
2144
2145 2011-01-24  Ian Lance Taylor  <iant@google.com>
2146
2147         * version.cc (version_string): Bump to 1.11.
2148
2149 2011-01-24  Ian Lance Taylor  <iant@google.com>
2150
2151         * plugin.cc (class Plugin_rescan): Define new class.
2152         (Plugin_manager::claim_file): Set any_claimed_.
2153         (Plugin_manager::save_archive): New function.
2154         (Plugin_manager::save_input_group): New function.
2155         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2156         necessary.
2157         (Plugin_manager::new_undefined_symbol): New function.
2158         (Plugin_manager::rescan): New function.
2159         (Plugin_manager::rescannable_defines): New function.
2160         (Plugin_manager::add_input_file): Set any_added_.
2161         * plugin.h (class Plugin_manager): define new fields rescannable_,
2162         undefined_symbols_, any_claimed_, and any_added_.  Declare
2163         Plugin_rescan as friend.  Declare new functions.
2164         (Plugin_manager::Rescannable): Define type.
2165         (Plugin_manager::Rescannable_list): Define type.
2166         (Plugin_manager::Undefined_symbol_list): Define type.
2167         (Plugin_manager::Plugin_manager): Initialize new fields.
2168         * archive.cc (Archive::defines_symbol): New function.
2169         (Add_archive_symbols::run): Pass archive to plugins if any.
2170         * archive.h (class Archive): Declare defines_symbol.
2171         * readsyms.cc (Input_group::~Input_group): New function.
2172         (Finish_group::run): Pass input_group to plugins if any.
2173         * readsyms.h (class Input_group): Declare destructor.
2174         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2175         any.
2176
2177 2011-01-10  Ian Lance Taylor  <iant@google.com>
2178
2179         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2180         section as relro.
2181         (Layout::set_segment_offsets): Reset increase_relro before calling
2182         set_section_addresses a second time.
2183
2184 2011-01-04  Cary Coutant  <ccoutant@google.com>
2185
2186         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2187         sections before NOBITS sections.
2188
2189 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2190
2191         * version.cc (print_version): Update copyright to 2011.
2192
2193 2010-12-23  Cary Coutant  <ccoutant@google.com>
2194
2195         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2196         of OS to this->add.  Add OD parameter to second form of the function.
2197
2198 2010-12-20  Ian Lance Taylor  <iant@google.com>
2199
2200         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2201         second of two consecutive entries with same offset.
2202
2203 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2204
2205         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2206         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2207         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2208         to avoid unneeded links against $(LDADD).
2209         * testsuite/Makefile.in: Regenerate.
2210
2211 2010-12-15  Ian Lance Taylor  <iant@google.com>
2212
2213         PR gold/12324
2214         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2215         for R_X86_64_32 and R_X86_64_PC32.
2216         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2217         ver_matching_def_pic.o.
2218         (ver_matching_def_pic.o): New target.
2219
2220 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2221
2222         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2223         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2224         Move definition before File_read::View member definitions.
2225         (File_read::View::~View): Initialize and hold lock before
2226         updating current_mapped_bytes.
2227
2228 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2229
2230         * dwarf_reader.cc: Remove outdated comment.
2231         * gold-threads.cc: Fix typo in error message.
2232         * archive.cc: Fix typos in comments.
2233         * archive.h: Likewise.
2234         * arm-reloc-property.cc: Likewise.
2235         * arm-reloc-property.h: Likewise.
2236         * arm-reloc.def: Likewise.
2237         * arm.cc: Likewise.
2238         * attributes.h: Likewise.
2239         * cref.cc: Likewise.
2240         * ehframe.cc: Likewise.
2241         * fileread.h: Likewise.
2242         * gold.h: Likewise.
2243         * i386.cc: Likewise.
2244         * icf.cc: Likewise.
2245         * incremental.h: Likewise.
2246         * int_encoding.cc: Likewise.
2247         * layout.h: Likewise.
2248         * main.cc: Likewise.
2249         * merge.h: Likewise.
2250         * object.cc: Likewise.
2251         * object.h: Likewise.
2252         * options.cc: Likewise.
2253         * readsyms.cc: Likewise.
2254         * reduced_debug_output.cc: Likewise.
2255         * reloc.cc: Likewise.
2256         * script-sections.cc: Likewise.
2257         * sparc.cc: Likewise.
2258         * symtab.h: Likewise.
2259         * target-reloc.h: Likewise.
2260         * target.cc: Likewise.
2261         * target.h: Likewise.
2262         * timer.cc: Likewise.
2263         * timer.h: Likewise.
2264         * x86_64.cc: Likewise.
2265
2266 2010-12-09  Cary Coutant  <ccoutant@google.com>
2267
2268         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2269         stack.
2270         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2271         parameter; change all callers.
2272         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2273         * options.h (warn_execstack): New option.
2274
2275 2010-12-07  Doug Kwan  <dougkwan@google.com>
2276
2277         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2278         like function call relocations.
2279
2280 2010-12-07  Ian Lance Taylor  <iant@google.com>
2281
2282         * archive.cc (Archive::get_elf_object_for_member): Permit
2283         punconfigured to be NULL.
2284         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2285         (Archive::include_member): Pass NULL to get_elf_object_for_member
2286         if we searched for the archive and this is the first included
2287         object.
2288
2289 2010-12-01  Ian Lance Taylor  <iant@google.com>
2290
2291         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2292         track_relocs_type_ field.
2293         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2294         Set track_relocs_type_.
2295         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2296         contents when using RELA relocs.
2297         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2298         reloc_map_.
2299         * reloc.cc (Track_relocs::next_addend): New function.
2300         * reloc.h (class Track_relocs): Declare next_addend.
2301
2302 2010-12-01  Ian Lance Taylor  <iant@google.com>
2303
2304         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2305         virtual destructor.
2306
2307 2010-12-01  Ian Lance Taylor  <iant@google.com>
2308
2309         * README: Update compilers known to work and fail.
2310
2311 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2312
2313         * configure.in: For --enable-gold, handle value `default' instead of
2314         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2315         not the default.
2316         * configure: Regenerate.
2317
2318 2010-11-18  Doug Kwan  <dougkwan@google.com>
2319
2320         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2321         and right_alignment to be zero.  Store result alignment only if it is
2322         greater than existing alignment.
2323
2324 2010-11-16  Cary Coutant  <ccoutant@google.com>
2325
2326         PR gold/12220
2327         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2328         Check for ".zdebug_line".
2329
2330 2010-11-16  Doug Kwan  <dougkwan@google.com>
2331             Cary Coutant  <ccoutant@google.com>
2332
2333         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2334         by reference; adjust all callers.
2335         * output.cc (Output_segment::set_section_addresses): Adjust references
2336         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2337         list is empty.
2338         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2339         end at page boundary.
2340
2341 2010-11-16  Cary Coutant  <ccoutant@google.com>
2342
2343         PR gold/12220
2344         * layout.cc (Layout::choose_output_section): Transform names of
2345         compressed sections even when using a script with a SECTIONS clause.
2346         (Layout::output_section_name): Remove code to transform
2347         compressed debug section names.
2348         * output.cc (Output_section::add_input_section): Use uncompressed
2349         section size when tracking input sections.
2350
2351 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2352
2353         * symtab.h (Symbol::NON_PIC_REF): Remove.
2354         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2355         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2356         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2357         (Symbol::use_plt_offset): Take a flags argument and pass it
2358         directly to needs_dynamic_reloc.  Restrict check for undefined
2359         weak symbols to function calls.
2360         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2361         (Target_arm::Scan::global): Use it.
2362         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2363         (Target_arm::Relocate::relocate): Likewise.
2364         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2365         parameter with an r_type parameter.  Use get_reference_flags
2366         to get the flags.
2367         (Target_arm::Relocate::relocate): Update accordingly.
2368         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2369         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2370         (Target_i386::Scan::global): Likewise.
2371         (Target_i386::Relocate::relocate): Likewise.
2372         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2373         parameter with an r_type parameter.  Use get_reference_flags
2374         to get the flags.
2375         (Target_i386::Relocate::relocate): Update accordingly.
2376         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2377         (Target_powerpc::Scan::global): Use it.
2378         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2379         (Target_powerpc::Relocate::relocate): Likewise.
2380         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2381         (Target_sparc::Scan::global): Use it.
2382         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2383         (Target_sparc::Relocate::relocate): Likewise.
2384         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2385         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2386         (Target_x86_64::Scan::global): Likewise.
2387         (Target_x86_64::Relocate::relocate): Likewise.
2388
2389 2010-11-08  Doug Kwan  <dougkwan@google.com>
2390             Cary Coutant  <ccoutant@google.com>
2391
2392         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2393         (Arm_exidx_merge_section::section_contents_): New data member.
2394         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2395         (Arm_input_section::~Arm_input_section): De-allocate memory.
2396         (Arm_input_section::original_contents_): New data member.
2397         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2398         in parameters instead of calling Object::section_contents without
2399         locking.
2400         (Arm_output_section::group_section): New parameter TASK.  Pass it
2401         to callees that need locking objects.
2402         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2403         to lock EXIDX input sections.  Fix a formatting issue.  Call
2404         Arm_exidx_merged_section::build_contents to create merged section
2405         contents.
2406         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2407         to lock object of stub table owner.
2408         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2409         TEXT_SIZE to initialize data member TEXT_SIZE_.
2410         (Arm_exidx_input_section::addralign): Fix typo in comment.
2411         (Arm_exidx_input_section::text_size): New method.
2412         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2413         that require locking objects.  Lock objects before scanning for stubs
2414         and updating local symbols.
2415         (Arm_input_section<big_endian>::init): Copy contents of original
2416         input section.
2417         (Arm_input_section<big_endian>::do_write): Use saved contents of
2418         original input section instead of calling Object::section_contents
2419         without locking.
2420         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2421         size without calling Object::section_size().
2422         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2423         for size.  Allocate a buffer for merged EXIDX entries.
2424         (Arm_exidx_merged_section::build_contents): New method.
2425         (Arm_exidx_merged_section::do_write): Move merge section contents
2426         building code to Arm_exidx_merged_section::build_contetns.  Write
2427         out contetns in buffer instead of building it on the fly.
2428         (Arm_relobj::make_exidx_input_section): Also pass text section size
2429         to Arm_exidx_input_section constructor.
2430         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2431         (Arm_dynobj::do_read_symbols): Fix memory leak.
2432         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2433         * target.h: (class Task): Add forward declaration.
2434         (Target::relax): Add new parameter TASK and pass it to
2435         Target::do_relax().
2436         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2437
2438 2010-11-05  Cary Coutant  <ccoutant@google.com>
2439
2440         PR gold/10708
2441         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2442         object when reading from the file.
2443         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2444         second layout pass.
2445         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2446         when reading section contents.
2447         (get_section_contents): Likewise.
2448         (icf::find_identical_sections): Likewise.
2449         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2450         object when reading from the file.
2451         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2452         the object when doing deferred section layout.
2453
2454 2010-11-03  Nick Clifton  <nickc@redhat.com>
2455
2456         PR gold/12001
2457         * script.h (class Symbol_assignment: name): New member.  Returns
2458         the name of the symbol.
2459         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2460         Returns true if the given symbol name is on the list of
2461         assignments wating to be processed.
2462         * archive.cc (should_incldue_member): If the symbol is undefined,
2463         check to see if it is on the list of symbols pending assignment.
2464
2465 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2466
2467         * script-sections.cc (Script_sections::find_memory_region): Check
2468         for a NULL output section pointer.
2469
2470 2010-10-29  Doug Kwan  <dougkwan@google.com>
2471
2472         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2473         Output_section::add_relaxed_input_section.
2474         * output.cc (Output_section::add_relaxed_input_section): Add new
2475         arguments LAYOUT and NAME.  Set section order index.
2476         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2477         Copy section order index.
2478         * output.h (Output_section::add_relaxed_input_section): Add new
2479         arguments LAYOUT and NAME.
2480
2481 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2482
2483         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2484         NATIVE_OR_CROSS_LINKER.
2485         * testsuite/Makefile.in: Regenerate.
2486
2487 2010-10-20  Doug Kwan  <dougkwan@google.com>
2488
2489         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2490         without SHF_LINK_ORDER flags.
2491         * layout.cc (Layout::choose_output_section): Do not filter
2492         SHF_LINK_ORDER flag in a relocatable link.
2493
2494 2010-10-17  Cary Coutant  <ccoutant@google.com>
2495
2496         * output.h (Output_segment::set_section_addresses): Change function
2497         signature.  Update all callers.
2498         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2499         sections.
2500         (Output_segment::set_section_addresses): Align after last TLS
2501         section.  Add padding before last relro section instead of after.
2502
2503 2010-10-17  Doug Kwan  <dougkwan@google.com>
2504
2505         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2506         GOT output section to be writable.
2507
2508 2010-10-14  Cary Coutant  <ccoutant@google.com>
2509
2510         * debug.h (DEBUG_INCREMENTAL): New flag.
2511         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2512         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2513         mode.
2514         * incremental.cc (report_command_line): Ignore all forms of
2515         --incremental.
2516         * layout.cc (Layout::Layout): Check parameters for incremental link
2517         mode.
2518         * options.cc (General_options::parse_incremental): New function.
2519         (General_options::parse_no_incremental): New function.
2520         (General_options::parse_incremental_full): New function.
2521         (General_options::parse_incremental_update): New function.
2522         (General_options::incremental_mode_): New data member.
2523         (General_options::finalize): Check incremental_mode_.
2524         * options.h (General_options): Update help text for --incremental.
2525         Add --no-incremental, --incremental-full, --incremental-update.
2526         (General_options::Incremental_mode): New enum type.
2527         (General_options::incremental_mode): New function.
2528         (General_options::incremental_mode_): New data member.
2529         * parameters.cc (Parameters::incremental_mode_): New data member.
2530         (Parameters::set_options): Set incremental_mode_.
2531         (Parameters::set_incremental_full): New function.
2532         (Parameters::incremental): New function.
2533         (Parameters::incremental_update): New function.
2534         (set_parameters_incremental_full): New function.
2535         * parameters.h (Parameters::set_incremental_full): New function.
2536         (Parameters::incremental): New function.
2537         (Parameters::incremental_update): New function.
2538         (Parameters::incremental_mode_): New data member.
2539         (set_parameters_incremental_full): New function.
2540         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2541         incremental link mode.
2542         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2543         (Sized_relobj::do_relocate_sections): Likewise.
2544         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2545         option.
2546         * testsuite/Makefile.in: Regenerate.
2547         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2548
2549 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2550
2551         * script-sections.h (class Script_sections): Make
2552         Sections_elements typedef public.
2553         * script-sections.cc (class Sort_output_sections): Add elements_
2554         field.  Add constructor which sets it; change all callers.
2555         (Sort_output_sections::is_before): New function.
2556         (Sort_output_sections::operator()): Call is_before.
2557         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2558         conditional.
2559         * testsuite/script_test_10.sh: New test. Test script section
2560         order.
2561         * testsuite/script_test_10.t: Likewise.
2562         * testsuite/script_test_10.s: Likewise.
2563         * testsuite/Makefile.am: Wrap the cross linker tests and the
2564         common tests into NATIVE_OR_CROSS_LINKER.
2565         (check_SCRIPTS): Add script_test_10.sh.
2566         (check_DATA): Add script_test_10.stdout.
2567         (script_test_10.o, script_test_10): New targets.
2568         (script_test_10.stdout): New target.
2569         * configure, testsuite/Makefile.in: Regenerate.
2570
2571 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2572
2573         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2574         error for the deprecated relocations.
2575         (Target_arm::Scan::global): Likewise.
2576         (Target_arm::Relocate::relocate): Likewise.
2577
2578 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
2579
2580         * fileread.cc (Input_file::find_file): Initialize *found_name
2581         and *namep when using the fallback search for case 4.
2582
2583 2010-10-11  Cary Coutant  <ccoutant@google.com>
2584
2585         * options.h (class General_options): Redefine -z lazy as an alias for
2586         the negation of -z now.
2587
2588 2010-10-11  Ian Lance Taylor  <iant@google.com>
2589
2590         * resolve.cc (symbol_to_bits): Report the value of the unsupported
2591         binding.
2592
2593 2010-10-06  Nick Clifton  <nickc@redhat.com>
2594
2595         * script-sections.cc(class Memory_region): Remove
2596         current_lma_offset_ field.  Rename current_vma_offset_ to
2597         current_offset_.  Add last_section_ field.
2598         (Memory_region::get_current_vma_address): Rename to
2599         get_current_address.
2600         (Memory_region::get_current_lma_address): Delete.
2601         (Memory_region::increment_vma_offset): Rename to
2602         increment_offset.
2603         (Memory_region::increment_lma_offset): Delete.
2604         (Memory_region::attributes_compatible): New method.  Returns
2605         true if the provided section is compatible with the region.
2606         (Memory_region::get_last_section): New method.  Returns the last
2607         section to use the region.
2608         (Memory_region::set_last_section): New method.  Stores the last
2609         section to use the region.
2610         (Script_sections::block_in_region): New method.  Returns true if
2611         a block of memory is contained within a region.
2612         (Script_sections::find_memory_region): New method.  Locates a
2613         memory region to be used to set a VMA or LMA address.
2614         (Output_section_definition::set_section_addresses): Add code to
2615         check for addresses set by memory regions.
2616         (Output_segment::set_section_addresses): Remove memory region
2617         walking code.
2618         (Script_sections::create_segment): Add a warning if a header
2619         segment is created outside of any region.
2620         * script-sections.h (class Script_sections): Add prototypes for
2621         find_memory_region and block_in_region methods.
2622         * testsuite/memory_test.s: Use .long instead of .word.
2623         * testsuite/memory_test.t: Add some more output sections.
2624         * testsuite/memory_test.sh: Update expected output.
2625
2626 2010-10-02  Doug Kwan  <dougkwan@google.com>
2627
2628         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
2629         defintion to symtab.h
2630         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
2631         declaration to defintion.
2632
2633 2010-10-01  Nick Clifton  <nickc@redhat.com>
2634
2635         * expression.cc (eval): Replace dummy argument with NULL.
2636         (eval_maybe_dot): Check for a NULL result section pointer.
2637         (Symbol_expression::value): Likewise.
2638         (Dot_expression::value): Likewise.
2639         (BINARY_EXPRESSION): Likewise.
2640         (Max_expression::value): Likewise.
2641         (Min_expression::value): Likewise.
2642         (Absolute_expression::value): Likewise.
2643         (Addr_expression::value_from_output_section): Likewise.
2644         (Loaddddr_expression::value_from_output_section): Likewise.
2645         (Segment_start_expression::value): Likewise.
2646         * script-sections.cc
2647         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
2648         argument with NULL.
2649         (Sections_elememt_dot_assignment::set_section_addresses):
2650         Likewise.
2651         (Output_data_expression::do_write_to_buffer): Likewise.
2652         (Output_section_definition::finalize_symbols): Likewise.
2653         (Output_section_definition::set_section_addresses): Likewise.
2654
2655 2010-09-30  Doug Kwan  <dougkwan@google.com>
2656
2657         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
2658
2659 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
2660
2661         * target.h (Target::can_icf_inline_merge_sections): New virtual
2662         function.
2663         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
2664         virtual function.
2665         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
2666         virtual function.
2667         * icf.cc (get_section_contents): Inline merge sections only when
2668         target allows it.
2669
2670 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2671
2672         * configure: Regenerate.
2673
2674 2010-09-17  Ian Lance Taylor  <iant@google.com>
2675
2676         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
2677         * testsuite/Makefile.am (memory_test.o): New target.
2678         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
2679         memory_test.t.
2680         * testsuite/Makefile.in: Rebuild.
2681
2682 2010-09-17  Doug Kwan  <dougkwan@google.com>
2683
2684         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
2685         defintion if relocation uses GOT entries of the symbol.
2686         * testsuite/icf_safe_test.sh: Fix test.
2687         * testsuite/icf_safe_so_test.sh: Fix test.
2688
2689 2010-09-16  Cary Coutant  <ccoutant@google.com>
2690
2691         * script_sections.cc (class Memory_region): Remove "NULL" from
2692         vector initializations.
2693
2694 2010-09-15  Cary Coutant  <ccoutant@google.com>
2695
2696         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
2697         Resolve forwarding symbols.
2698
2699 2010-09-15  Doug Kwan  <dougkwan@google.com>
2700
2701         * gold/testsuite/script_test_3.t: Add ARM special sections.
2702         * gold/testsuite/script_test_4.t: Same.
2703         * gold/testsuite/script_test_5.t: Same.
2704         * gold/testsuite/script_test_6.t: Same.
2705         * gold/testsuite/script_test_7.t: Same.
2706         * gold/testsuite/script_test_7.t: Same.
2707         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
2708
2709 2010-09-14  Cary Coutant  <ccoutant@google.com>
2710
2711         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
2712         (Target_x86_64::Relocate::relocate_tls): Replace check for
2713         saw_tls_block_reloc_ with test for executable section.
2714
2715 2010-09-12  Cary Coutant  <ccoutant@google.com>
2716
2717         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
2718         position-independent executables to shared libraries need dynamic
2719         relocations.
2720         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
2721         position-independent executables.
2722         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
2723         * testsuite/Makefile.in: Regenerate.
2724
2725 2010-09-10  Nick Clifton  <nickc@redhat.com>
2726
2727         PR gold/11997
2728         * testsuite/memory_test.t: Discard any sections that are not
2729         needed.
2730
2731 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
2732
2733         PR gold/11996
2734         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
2735         "This::" to work around a bug in gcc 4.2.
2736
2737         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
2738
2739 2010-09-09  Rafael Espindola  <espindola@google.com>
2740
2741         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
2742         sections with different PF_X flags in the same segment.
2743         (Layout::find_first_load_seg): Search all segments to find the first
2744         one.
2745         * options.h (rosegment): New.
2746
2747 2010-09-08  Rafael Espindola  <espindola@google.com>
2748
2749         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
2750
2751 2010-09-08  Doug Kwan  <dougkwan@google.com>
2752
2753         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
2754         (Arm_relobj::do_relocate_sections): Add new parameter for output
2755         file to match the parent.
2756         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
2757         of local symbols instead of input values.  Update code to track
2758         changes in gold::relocate_section.
2759         * object.cc (Sized_relobj::compute_final_local_value): New methods.
2760         (Sized_relobj::compute_final_local_value_internal): New methods.
2761         (Sized_relobj::do_finalize_local_symbols): Move code from loop
2762         body into private version of Sized_relobj::compute_final_local_value.
2763         Call the inline method.
2764         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
2765         merged symbol value if there is one.
2766         (Symbol_value::has_output_value): New method defintiion.
2767         (Sized_relobj::Compute_final_local_value_status): New enum type.
2768         (Sized_relobj::compute_final_local_value): New methods.
2769         (Sized_relobj::compute_final_local_value_internal): New methods.
2770         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
2771         and arm_cortex_a8.sh.
2772         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
2773         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
2774         New tests.
2775         * Makefile.in: Regenerate.
2776         * testsuite/arm_bl_out_of_range.s: Update test.
2777         * testsuite/thumb_bl_out_of_range.s: Ditto.
2778         * testsuite/thumb_blx_out_of_range.s: Ditto.
2779         * testsuite/arm_branch_out_of_range.sh: New file.
2780         * testsuite/arm_cortex_a8.sh: Ditto.
2781         * testsuite/arm_cortex_a8_b.s: Ditto.
2782         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
2783         * testsuite/arm_cortex_a8_b_local.s: Ditto.
2784         * testsuite/arm_cortex_a8_bl.s: Ditto.
2785         * testsuite/arm_cortex_a8_blx.s: Ditto.
2786         * testsuite/arm_cortex_a8_local.s: Ditto.
2787         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
2788         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
2789
2790 2010-09-08  Rafael Espindola  <espindola@google.com>
2791
2792         * Makefile.am (memory_test.stdout): Run readelf with -W.
2793         * Makefile.in: Regenerate.
2794         * testsuite/memory_test.sh: Make the regexps accept both 32 and
2795         64 bit output.
2796
2797 2010-09-08  Rafael Espindola  <espindola@google.com>
2798
2799         * script-sections.cc (Script_sections::add_memory_region): Convert
2800         field precision to int.
2801         * script.cc (script_set_section_region, script_set_section_region):
2802         Convert field precision to int.
2803
2804 2010-09-08  Rafael Espindola  <espindola@google.com>
2805
2806         * arm.cc (do_finalize_sections): Create the __exidx_start and
2807         __exdix_end symbols even when the section is missing.
2808
2809 2010-09-08  Nick Clifton  <nickc@redhat.com>
2810
2811         * README: Remove claim that MEMORY is not supported.
2812         * expression.cc (script_exp_function_origin)
2813         (script_exp_function_length): Move from here to ...
2814         * script.cc: ... here.
2815         (script_set_section_region, script_add_memory)
2816         (script_parse_memory_attr, script_include_directive): New
2817         functions.
2818         * script-sections.cc
2819         (class Memory_region): New class.
2820         (class Output_section_definition): Add set_memory_region,
2821         set_section_vma, set_section_lma and get_section_name methods.
2822         (class Script_Sections): Add add_memory_region,
2823         find_memory_region, find_memory_region_origin,
2824         find_memory_region_length and set_memory_region methods.
2825         Have set_section_addresses method walk the list of set memory
2826         regions.
2827         Extend the print methos to display memory regions.
2828         * script-sections.h: Add prototypes for new methods.
2829         Add enum for MEMORY region attributes.
2830         * yyscript.y: Add support for parsing MEMORY regions.
2831         * script-c.h: Add prototypes for new functions.
2832         * testsuite/Makefile.am: Add test of MEMORY region functionality.
2833         * testsuite/Makefile.in: Regenerate.
2834         * testsuite/memory_test.sh: New script.
2835         * testsuite/memory_test.s: New assembler source file.
2836         * testsuite/memory_test.t: New linker script.
2837
2838 2010-08-27  Doug Kwan  <dougkwan@google.com>
2839
2840         * gold/resolve.cc (Symbol_table::should_override): Let a weak
2841         reference override an existing dynamic weak reference.
2842         * testsuite/Makefile.am: Add new test dyn_weak_ref.
2843         * testsuite/Makefile.in: Regenerate.
2844         * testsuite/dyn_weak_ref.sh: New file.
2845         * testsuite/dyn_weak_ref_1.c: Ditto.
2846         * testsuite/dyn_weak_ref_2.c: Ditto.
2847
2848 2010-08-27  Ian Lance Taylor  <iant@google.com>
2849
2850         * incremental.h (class Incremental_input_entry): Add virtual
2851         destructor.
2852
2853 2010-08-27  Ian Lance Taylor  <iant@google.com>
2854
2855         * testsuite/start_lib_test_3.c: Mark t3 as used.
2856
2857 2010-08-27  Nick Clifton  <nickc@redhat.com>
2858
2859         * options.cc (version_script): Fix small typo in previous
2860         whitespace tidyup.
2861
2862 2010-08-25  Nick Clifton  <nickc@redhat.com>
2863
2864         * archive.cc: Formatting fixes: Remove whitespace between
2865         typename and following asterisk.  Remove whitespace between
2866         function name and opening parenthesis.
2867         * archive.h: Likewise.
2868         * arm.cc: Likewise.
2869         * attributes.cc: Likewise.
2870         * attributes.h: Likewise.
2871         * common.cc: Likewise.
2872         * copy-relocs.cc: Likewise.
2873         * dirsearch.h: Likewise.
2874         * dynobj.cc: Likewise.
2875         * ehframe.cc: Likewise.
2876         * ehframe.h: Likewise.
2877         * expression.cc: Likewise.
2878         * fileread.cc: Likewise.
2879         * fileread.h: Likewise.
2880         * gc.h: Likewise.
2881         * gold-threads.cc: Likewise.
2882         * gold.cc: Likewise.
2883         * i386.cc: Likewise.
2884         * icf.h: Likewise.
2885         * incremental-dump.cc: Likewise.
2886         * incremental.cc: Likewise.
2887         * layout.cc: Likewise.
2888         * layout.h: Likewise.
2889         * main.cc: Likewise.
2890         * merge.cc: Likewise.
2891         * merge.h: Likewise.
2892         * object.cc: Likewise.
2893         * object.h: Likewise.
2894         * options.cc: Likewise.
2895         * options.h: Likewise.
2896         * output.cc: Likewise.
2897         * output.h: Likewise.
2898         * plugin.cc: Likewise.
2899         * plugin.h: Likewise.
2900         * powerpc.cc: Likewise.
2901         * reloc.cc: Likewise.
2902         * script-c.h: Likewise.
2903         * script-sections.cc: Likewise.
2904         * script.cc: Likewise.
2905         * stringpool.cc: Likewise.
2906         * symtab.cc: Likewise.
2907         * symtab.h: Likewise.
2908         * target.cc: Likewise.
2909         * timer.cc: Likewise.
2910         * timer.h: Likewise.
2911         * version.cc: Likewise.
2912         * x86_64.cc: Likewise.
2913
2914 2010-08-24  Nick Clifton  <nickc@redhat.com>
2915
2916         PR 11899
2917         * layout.cc (segment_precedes): Sort segments by their physical
2918         addresses, if they have been set.
2919
2920 2010-08-23  Cary Coutant  <ccoutant@google.com>
2921
2922         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
2923         symbols data.
2924         (Lib_group::include_member): Unlock object after deleting its
2925         symbols data.
2926         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
2927         the bug fixed here.
2928
2929 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
2930             Cary Coutant  <ccoutant@google.com>
2931
2932         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
2933         constructor, and set_blocker.
2934         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
2935         readsyms_blocker_.
2936         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
2937         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
2938         * testsuite/Makefile.am (start_lib_test): New test case.
2939         * testsuite/Makefile.in: Regenerate.
2940         * testsuite/start_lib_test_main.c: New file.
2941         * testsuite/start_lib_test_1.c: New file.
2942         * testsuite/start_lib_test_2.c: New file.
2943         * testsuite/start_lib_test_3.c: New file.
2944
2945 2010-08-19  Ian Lance Taylor  <iant@google.com>
2946
2947         * Makefile.in: Rebuild with automake 1.11.1.
2948         * aclocal.m4: Likewise.
2949         * testsuite/Makefile.in: Likewise.
2950
2951 2010-08-19  Ian Lance Taylor  <iant@google.com>
2952
2953         PR 10893
2954         * i386.cc (class Output_data_plt_i386): Update declarations.
2955         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
2956         local_ifuncs_ fields.
2957         (Target_i386::do_plt_section_for_global): New function.
2958         (Target_i386::do_plt_section_for_local): New function.
2959         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
2960         parameter; change all callers.  Initialize global_ifuncs_ and
2961         local_ifuncs_.  If doing a static link define __rel_iplt_start and
2962         __rel_iplt_end.
2963         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
2964         (Output_data_plt_i386::add_local_ifunc_entry): New function.
2965         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
2966         symbols.
2967         (Target_i386::make_plt_section): New function, broken out of
2968         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
2969         (Target_i386::make_plt_entry): Call make_plt_section.
2970         (Target_i386::make_local_ifunc_plt_entry): New function.
2971         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
2972         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
2973         R_386_IRELATIVE to switch.
2974         (Target_i386::Scan::global): Likewise.
2975         (Target_i386::Relocate::relocate): Likewise.
2976         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
2977         switch.
2978         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
2979         (Target_x86_64::do_plt_section_for_global): New function.
2980         (Target_x86_64::do_plt_section_for_local): New function.
2981         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
2982         parameter; change all callers.  If doing a static link define
2983         __rela_iplt_start and __rela_iplt_end.
2984         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
2985         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
2986         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
2987         to point to .plt.
2988         (Target_x86_64::make_local_ifunc_plt_entry): New function.
2989         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
2990         switch.
2991         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
2992         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
2993         R_X86_64_IRELATIVE to switch.
2994         (Target_x86_64::Scan::global): Likewise.
2995         (Target_x86_64::Relocate::relocate): Likewise.
2996         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
2997         switch.
2998         * target.h (class Target): Add plt_section_for_global and
2999         plt_section_for_local functions.  Add do_plt_section_for_global
3000         and do_plt_section_for_local virtual functions.
3001         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3002         clarifying comments.
3003         (Symbol::use_plt_offset): Handle IFUNC symbol.
3004         * object.cc (Sized_relobj::Sized_relobj): Initialize
3005         local_plt_offsets_.
3006         (Sized_relobj::local_has_plt_offset): New function.
3007         (Sized_relobj::local_plt_offset): New function.
3008         (Sized_relobj::set_local_plt_offset): New function.
3009         (Sized_relobj::do_count): Handle IFUNC symbol.
3010         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3011         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3012         is_ifunc_symbol functions.
3013         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3014         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3015         local_plt_offsets_ field.
3016         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3017         * output.h (class Output_section_data): Add non-const
3018         output_section function.
3019         (class Output_data_got): Update declarations.
3020         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3021         Add use_plt_offset parameter to global and local constructors.
3022         Change all callers.  Change local_sym_index_ field to 31 bits.
3023         Change GSYM_CODE and CONSTANT_CODE accordingly.
3024         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3025         doing a static link don't set sh_link field.
3026         (Output_data_got::Got_entry::write): Use PLT offset if
3027         appropriate.
3028         (Output_data_got::add_global_plt): New function.
3029         (Output_data_got::add_local_plt): New function.
3030         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3031         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3032         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3033         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3034         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3035         IFUNC conditional.
3036         * testsuite/ifunc-sel.h: New file.
3037         * testsuite/ifuncmain1.c: New file.
3038         * testsuite/ifuncmain1vis.c: New file.
3039         * testsuite/ifuncmod1.c: New file.
3040         * testsuite/ifuncdep2.c: New file.
3041         * testsuite/ifuncmain2.c: New file.
3042         * testsuite/ifuncmain3.c: New file.
3043         * testsuite/ifuncmod3.c: New file.
3044         * testsuite/ifuncmain4.c: New file.
3045         * testsuite/ifuncmain5.c: New file.
3046         * testsuite/ifuncmod5.c: New file.
3047         * testsuite/ifuncmain6pie.c: New file.
3048         * testsuite/ifuncmod6.c: New file.
3049         * testsuite/ifuncmain7.c: New file.
3050         * configure, testsuite/Makefile.in: Rebuild.
3051
3052 2010-08-18  Ian Lance Taylor  <iant@google.com>
3053
3054         * incremental.cc
3055         (Output_section_incremental_inputs::write_input_files): Add cast
3056         to avoid signed/unsigned comparison warning.
3057         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3058
3059 2010-08-12  Cary Coutant  <ccoutant@google.com>
3060
3061         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3062
3063 2010-08-13  Ian Lance Taylor  <iant@google.com>
3064
3065         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3066
3067 2010-08-12  Cary Coutant  <ccoutant@google.com>
3068             Doug Kwan  <dougkwan@google.com>
3069
3070         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3071         defintion overrides non-weak undef, remember that the original undef
3072         is not weak.
3073         * symtab.cc (Symbol_table::sized_write_global): For undef without
3074         an original weak binding, set binding to global in output.
3075         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3076         * testsuite/Makefile.in: Regenerate.
3077         * testsuite/strong_ref_weak_def.sh: New file.
3078         * testsuite/strong_ref_weak_def_1.c: Ditto.
3079         * testsuite/strong_ref_weak_def_2.c: Ditto.
3080
3081 2010-08-12  Cary Coutant  <ccoutant@google.com>
3082
3083         * testsuite/incremental_test.sh: Rewrite.
3084         * testsuite/incremental_test_1.c: Rewrite.
3085         * testsuite/incremental_test_2.c: Rewrite.
3086
3087 2010-08-12  Cary Coutant  <ccoutant@google.com>
3088
3089         * arm.cc (Target_arm::got_size): Add const.
3090         (Target_arm::got_entry_count): New function.
3091         (Target_arm::plt_entry_count): New function.
3092         (Target_arm::first_plt_entry_offset): New function.
3093         (Target_arm::plt_entry_size): New function.
3094         (Output_data_plt_arm::entry_count): New function.
3095         (Output_data_plt_arm::first_plt_entry_offset): New function.
3096         (Output_data_plt_arm::get_plt_entry_size): New function.
3097         * i386.cc (Target_i386::got_size): Add const.
3098         (Target_i386::got_entry_count): New function.
3099         (Target_i386::plt_entry_count): New function.
3100         (Target_i386::first_plt_entry_offset): New function.
3101         (Target_i386::plt_entry_size): New function.
3102         (Output_data_plt_i386::entry_count): New function.
3103         (Output_data_plt_i386::first_plt_entry_offset): New function.
3104         (Output_data_plt_i386::get_plt_entry_size): New function.
3105         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3106         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3107         * incremental.cc: Include target.h.
3108         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3109         parameter.  Adjust all callers.  Find incremental_got_plt section.
3110         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3111         section.
3112         (Output_section_incremental_inputs::set_final_data_size): Calculate
3113         size of incremental_got_plt section.
3114         (Output_section_incremental_inputs::do_write): Write the
3115         incremental_got_plt section.
3116         (Got_plt_view_info): New struct.
3117         (Local_got_offset_visitor): New class.
3118         (Global_got_offset_visitor): New class.
3119         (Global_symbol_visitor_got_plt): New class.
3120         (Output_section_incremental_inputs::write_got_plt): New function.
3121         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3122         Add parameter.  Adjust all callers.
3123         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3124         (Incremental_inputs::got_plt_section): New function.
3125         (Incremental_inputs::got_plt_section_): New data member.
3126         (Incremental_got_plt_reader): New class.
3127         * layout.cc (Layout::create_incremental_info_sections): Add the
3128         incremental_got_plt section.
3129         * object.h (Got_offset_list::get_list): New function.
3130         (Got offset_list::for_all_got_offsets): New function.
3131         (Sized_relobj::local_got_offset_list): New function.
3132         * powerpc.cc (Target_powerpc::got_size): Add const.
3133         (Target_powerpc::got_entry_count): New function.
3134         (Target_powerpc::plt_entry_count): New function.
3135         (Target_powerpc::first_plt_entry_offset): New function.
3136         (Target_powerpc::plt_entry_size): New function.
3137         (Output_data_plt_powerpc::entry_count): New function.
3138         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3139         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3140         * sparc.cc (Target_sparc::got_size): Add const.
3141         (Target_sparc::got_entry_count): New function.
3142         (Target_sparc::plt_entry_count): New function.
3143         (Target_sparc::first_plt_entry_offset): New function.
3144         (Target_sparc::plt_entry_size): New function.
3145         (Output_data_plt_sparc::entry_count): New function.
3146         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3147         (Output_data_plt_sparc::get_plt_entry_size): New function.
3148         * symtab.h (Symbol::got_offset_list): New function.
3149         (Symbol_table::for_all_symbols): New function.
3150         * target.h (Sized_target::got_entry_count): New function.
3151         (Sized_target::plt_entry_count): New function.
3152         (Sized_target::plt_entry_size): New function.
3153         * x86_64.cc (Target_x86_64::got_size): Add const.
3154         (Target_x86_64::got_entry_count): New function.
3155         (Target_x86_64::plt_entry_count): New function.
3156         (Target_x86_64::first_plt_entry_offset): New function.
3157         (Target_x86_64::plt_entry_size): New function.
3158         (Output_data_plt_x86_64::entry_count): New function.
3159         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3160         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3161
3162 2010-08-12  Cary Coutant  <ccoutant@google.com>
3163
3164         * archive.cc: Include incremental.h.
3165         (Archive::Archive): Initialize incremental_info_.
3166         (Archive::include_member): Record archive members in incremental info.
3167         (Add_archive_symbols::run): Record begin and end of an archive in
3168         incremental info.
3169         (Lib_group::include_member): Record objects in incremental info.
3170         * archive.h (Incremental_archive_entry): Forward declaration.
3171         (Archive::set_incremental_info): New member function.
3172         (Archive::incremental_info): New member function.
3173         (Archive::Unused_symbol_iterator): New class.
3174         (Archive::unused_symbols_begin): New member function.
3175         (Archive::unused_symbols_end): New member function.
3176         (Archive::incremental_info_): New data member.
3177         * incremental-dump.cc (find_input_containing_global): New function.
3178         (dump_incremental_inputs): Dump new incremental info sections.
3179         * incremental.cc: Include symtab.h.
3180         (Output_section_incremental_inputs): New class.
3181         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3182         new incremental info sections.
3183         (Sized_incremental_binary::do_check_inputs): Likewise.
3184         (Incremental_inputs::report_archive): Remove.
3185         (Incremental_inputs::report_archive_begin): New function.
3186         (Incremental_inputs::report_archive_end): New function.
3187         (Incremental_inputs::report_object): New function.
3188         (Incremental_inputs::finalize_inputs): Remove.
3189         (Incremental_inputs::report_input_section): New function.
3190         (Incremental_inputs::report_script): Rewrite.
3191         (Incremental_inputs::finalize): Do nothing but finalize string table.
3192         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3193         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3194         (Incremental_inputs::create_data_sections): New function.
3195         (Incremental_inputs::relocs_entsize): New function.
3196         (Output_section_incremental_inputs::set_final_data_size): New function.
3197         (Output_section_incremental_inputs::do_write): New function.
3198         (Output_section_incremental_inputs::write_header): New function.
3199         (Output_section_incremental_inputs::write_input_files): New function.
3200         (Output_section_incremental_inputs::write_info_blocks): New function.
3201         (Output_section_incremental_inputs::write_symtab): New function.
3202         * incremental.h (Incremental_script_entry): Forward declaration.
3203         (Incremental_object_entry): Forward declaration.
3204         (Incremental_archive_entry): Forward declaration.
3205         (Incremental_inputs): Forward declaration.
3206         (Incremental_inputs_header_data): Remove.
3207         (Incremental_inputs_header): Remove.
3208         (Incremental_inputs_header_write): Remove.
3209         (Incremental_inputs_entry_data): Remove.
3210         (Incremental_inputs_entry): Remove.
3211         (Incremental_inputs_entry_write): Remove.
3212         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3213         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3214         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3215         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3216         Likewise.
3217         (Incremental_input_entry): New class.
3218         (Incremental_script_entry): New class.
3219         (Incremental_object_entry): New class.
3220         (Incremental_archive_entry): New class.
3221         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3222         (Incremental_inputs::report_inputs): Remove.
3223         (Incremental_inputs::report_archive): Remove.
3224         (Incremental_inputs::report_archive_begin): New function.
3225         (Incremental_inputs::report_archive_end): New function.
3226         (Incremental_inputs::report_object): Change prototype.
3227         (Incremental_inputs::report_input_section): New function.
3228         (Incremental_inputs::report_script): Change prototype.
3229         (Incremental_inputs::get_reloc_count): New function.
3230         (Incremental_inputs::set_reloc_count): New function.
3231         (Incremental_inputs::create_data_sections): New function.
3232         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3233         (Incremental_inputs::inputs_section): New function.
3234         (Incremental_inputs::symtab_section): New function.
3235         (Incremental_inputs::relocs_section): New function.
3236         (Incremental_inputs::get_stringpool): Add const.
3237         (Incremental_inputs::command_line): Add const.
3238         (Incremental_inputs::inputs): Remove.
3239         (Incremental_inputs::command_line_key): New function.
3240         (Incremental_inputs::input_file_count): New function.
3241         (Incremental_inputs::input_files): New function.
3242         (Incremental_inputs::relocs_entsize): New function.
3243         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3244         (Incremental_inputs::finalize_inputs): Remove.
3245         (Incremental_inputs::Input_info): Remove.
3246         (Incremental_inputs::lock_): Remove.
3247         (Incremental_inputs::inputs_): Change type.
3248         (Incremental_inputs::inputs_map_): Remove.
3249         (Incremental_inputs::current_object_entry_): New data member.
3250         (Incremental_inputs::inputs_section_): New data member.
3251         (Incremental_inputs::symtab_section_): New data member.
3252         (Incremental_inputs::relocs_section_): New data member.
3253         (Incremental_inputs::reloc_count_): New data member.
3254         (Incremental_inputs_reader): New class.
3255         (Incremental_symtab_reader): New class.
3256         (Incremental_relocs_reader): New class.
3257         * layout.cc (Layout::finalize): Move finalization of incremental info
3258         and creation of incremental info sections to follow finalization of
3259         symbol table.  Set offsets for postprocessing sections.
3260         (Layout::create_incremental_info_sections): Call
3261         Incremental_inputs::create_data_sections.  Add incremental symtab
3262         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3263         sections to layout after input sections.
3264         * layout.h (struct Timespec): Forward declaration.
3265         (Layout::incremental_inputs): Add const.
3266         (Layout::create_incremental_info_sections): Add parameter.
3267         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3268         * object.cc: Include incremental.h.
3269         (Relobj::finalize_incremental_relocs): New function.
3270         (Sized_relobj::do_layout): Record input sections in incremental info.
3271         * object.h (Object::output_section): New function.
3272         (Object::output_section_offset): Moved from Relobj.
3273         (Object::get_incremental_reloc_base): New function.
3274         (Object::get_incremental_reloc_count): New function.
3275         (Object::do_output_section): New function.
3276         (Object::do_output_section_offset): Moved from Relobj.
3277         (Object::do_get_incremental_reloc_base): New function.
3278         (Object::do_get_incremental_reloc_count): New function.
3279         (Object::Object): Initialize new data members.
3280         (Relobj::output_section): Renamed do_output_section and moved to
3281         protected.
3282         (Relobj::output_section_offset): Moved to Object.
3283         (Relobj::do_get_incremental_reloc_base): New function.
3284         (Relobj::do_get_incremental_reloc_count): New function.
3285         (Relobj::allocate_incremental_reloc_counts): New function.
3286         (Relobj::count_incremental_reloc): New function.
3287         (Relobj::finalize_incremental_relocs): New function.
3288         (Relobj::next_incremental_reloc_index): New function.
3289         (Relobj::reloc_counts_): New data member.
3290         (Relobj::reloc_bases_): New data member.
3291         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3292         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3293         (Sized_relobj::incremental_relocs_scan): New function.
3294         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3295         (Sized_relobj::incremental_relocs_write): New function.
3296         (Sized_relobj::incremental_relocs_write_reltype): New function.
3297         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3298         incremental link.
3299         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3300         archives and object files elsewhere.
3301         (Add_symbols::run): Report object files here.
3302         (Finish_group::run): Report end of archive at end of group.
3303         * reloc.cc: Include layout.h, incremental.h.
3304         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3305         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3306         (Sized_relobj::incremental_relocs_scan): New function.
3307         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3308         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3309         (Sized_relobj::incremental_relocs_write): New function.
3310         (Sized_relobj::incremental_relocs_write_reltype): New function.
3311         * script.cc (read_input_script): Rewrite test for incremental link.
3312         Change call to Incremental_inputs::report_script.
3313         * symtab.h (Symbol_table::first_global_index): New function.
3314         (Symbol_table::output_count): New function.
3315
3316 2010-08-12  Doug Kwan  <dougkwan@google.com>
3317
3318         * arm.cc (Target_arm::merge_object_attributes): Check command line
3319         options --no-wchar-size-warning and --no-enum-size-warning.
3320         * options.h (General_options): Add ld-compatible options
3321         --no-enum-size-warning and --no-wchar-size-warning.
3322
3323 2010-08-04  Ian Lance Taylor  <iant@google.com>
3324
3325         * x86_64.cc (Target_x86_64::Scan::local): Use
3326         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3327         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3328         (Target_x86_64::Scan::global): Likewise.
3329         (Target_x86_64::Relocate::relocate): Likewise.
3330         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3331         Likewise.
3332
3333 2010-08-03  Cary Coutant  <ccoutant@google.com>
3334
3335         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3336         to reserve space in merged_strings vector. Keep total input size
3337         for stats.
3338         (Output_merge_string::do_print_merge_stats): Print total input size.
3339         * merge.h (Output_merge_string): Add input_size_ field.
3340         * stringpool.cc (Stringpool_template::string_length): Move
3341         implementations out of Stringpool_template class and place in
3342         stringpool.h.
3343         * stringpool.h (string_length): Move out of Stringpool_template.
3344
3345 2010-08-03  Ian Lance Taylor  <iant@google.com>
3346
3347         PR 11712
3348         * layout.cc (relaxation_loop_body): If address of load segment is
3349         set, adjust address to include headers if possible.
3350
3351 2010-08-03  Ian Lance Taylor  <iant@google.com>
3352
3353         * version.cc (version_string): Bump to 1.10.
3354
3355 2010-08-03  Ian Lance Taylor  <iant@google.com>
3356
3357         PR 11805
3358         * layout.h (enum Output_section_order): Define.
3359         (class Layout): Update declarations.
3360         * layout.cc (Layout::get_output_section): Add order parameter.
3361         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3362         is_first_non_relro parameters.  Change all callers.
3363         (Layout::choose_output_section): Likewise.
3364         (Layout::add_output_section_data): Likewise.
3365         (Layout::make_output_section): Likewise.  Set order.
3366         (Layout::default_section_order): New function.
3367         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3368         * output.cc (Output_section::Output_section): Initialize order_.
3369         Don't initialize deleted fields.
3370         (Output_segment::Output_segment): Don't initialize deleted
3371         fields.
3372         (Output_segment::add_output_section_to_load): New function
3373         replacing add_output_section.  Change all callers to call this or
3374         add_output_section_to_nonload.
3375         (Output_segment::add_output_section_to_nonload): New function.
3376         (Output_segment::remove_output_section): Rewrite.
3377         (Output_segment::add_initial_output_data): Likewise.
3378         (Output_segment::has_any_data_sections): Likewise.
3379         (Output_segment::is_first_section_relro): Likewise.
3380         (Output_segment::maximum_alignment): Likewise.
3381         (Output_segment::has_dynamic_reloc): New function replacing
3382         dynamic_reloc_count.  Change all callers.
3383         (Output_segment::has_dynamic_reloc_list): New function replacing
3384         dynamic_reloc_count_list.  Change all callers.
3385         (Output_segment::set_section_addresses): Rewrite.
3386         (Output_segment::set_offset): Rewrite.
3387         (Output_segment::find_first_and_last_list): Remove.
3388         (Output_segment::set_tls_offsets): Rewrite.
3389         (Output_segment::first_section_load_address): Likewise.
3390         (Output_segment::output_section_count): Likewise.
3391         (Output_segment::section_with_lowest_load_address): Likewise.
3392         (Output_segment::write_section_headers): Likewise.
3393         (Output_segment::print_sections_to_map): Likewise.
3394         * output.h (class Output_data): Remove dynamic_reloc_count_
3395         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3396         (Output_data::add_dynamic_reloc): Rewrite.
3397         (Output_data::has_dynamic_reloc): New function.
3398         (Output_data::dynamic_reloc_count): Remove.
3399         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3400         is_last_relro_, is_first_non_relro_, is_interp_,
3401         is_dynamic_linker_section_ fields.  Add order and set_order
3402         functions.  Remove is_relro_local, set_is_relro_local,
3403         is_last_relro, set_is_last_relro, is_first_non_relro,
3404         set_is_first_non_relro functions, is_interp, set_is_interp,
3405         is_dynamic_linker_section, and set_is_dynamic_linker_section
3406         functions.
3407         (class Output_segment): Change Output_data_list from std::list to
3408         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3409         output_bss_ fields.  Update declarations.
3410
3411 2010-08-02  Ian Lance Taylor  <iant@google.com>
3412
3413         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3414         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3415         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3416
3417 2010-08-02  Ian Lance Taylor  <iant@google.com>
3418
3419         PR 11855
3420         * script.cc (Script_options::Script_options): Initialize
3421         symbol_definitions_ and symbol_references_.
3422         (Script_options::add_symbol_assignment): Update
3423         symbol_definitions_ and symbol_references_.
3424         (Script_options::add_symbol_reference): New function.
3425         (script_symbol): New function.
3426         * script.h (class Script_options): Add symbol_definitions_ and
3427         symbol_references_ fields.
3428         (Script_options::referenced_const_iterator): New type.
3429         (Script_options::referenced_begin): New function.
3430         (Script_options::referenced_end): New function.
3431         (Script_options::is_referenced): New function.
3432         (Script_options::any_unreferenced): New function.
3433         * script-c.h (script_symbol): Declare.
3434         * yyscript.y (exp): Call script_symbol.
3435         * symtab.cc: Include "script.h".
3436         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3437         Change all callers.  Check symbols referenced by scripts.
3438         (Symbol_table::add_undefined_symbols_from_command_line): Add
3439         layout parameter.  Change all callers.
3440         (Symbol_table::do_add_undefined_symbols_from_command_line):
3441         Likewise.  Break out loop body.  Check symbols referenced by
3442         scripts.
3443         (Symbol_table::add_undefined_symbol_from_command_line): New
3444         function broken out of
3445         do_add_undefined_symbols_from_command_line.
3446         * symtab.h (class Symbol_table): Update declarations.
3447         * archive.cc: Include "layout.h".
3448         (Archive::should_include_member): Add layout parameter.  Change
3449         all callers.  Check for symbol mentioned in expression.
3450         * archive.h (class Archive): Update declaration.
3451         * object.cc (Sized_relobj::do_should_include_member): Add layout
3452         parameter.
3453         * object.h (Object::should_include_member): Add layout parameter.
3454         Change all callers.
3455         (Object::do_should_include_member): Add layout parameter.
3456         (class Sized_relobj): Update declaration.
3457         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3458         parameter.
3459         * dynobj.h (class Sized_dynobj): Update declaration.
3460         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3461         layout parameter.
3462         * plugin.h (class Sized_pluginobj): Update declaration.
3463
3464 2010-08-02  Ian Lance Taylor  <iant@google.com>
3465
3466         PR 11866
3467         * output.cc (Output_segment::set_offset): Search for the first and
3468         last sections rather than assuming that the list is in order.
3469         (Output_segment::find_first_and_last_list): New function.
3470         * output.h (class Output_segment): Update declarations.
3471         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3472         (relro_strip_test_SOURCES): New variable.
3473         (relro_strip_test_DEPENDENCIES): New variable.
3474         (relro_strip_test_LDFLAGS): New variable.
3475         (relro_strip_test_LDADD): New variable.
3476         (relro_strip_test.so): New target.
3477
3478 2010-08-02  Ian Lance Taylor  <iant@google.com>
3479
3480         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3481         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3482         (Target_i386::got_tlsdesc_section): New function.
3483         (Target_i386::got_section): Create space for GOT entries for
3484         TLSDESC relocations.
3485         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3486         R_386_TLS_GOTDESC.
3487         (Target_i386::Scan::global): Likewise.
3488         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3489         using TLSDESC GOT.
3490         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3491         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3492         (Target_x86_64::got_tlsdesc_section): New function.
3493         (Target_x86_64::got_section): Create space for GOT entries for
3494         TLSDESC relocations.
3495         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3496         R_386_TLS_GOTDESC.
3497         (Target_x86_64::Scan::global): Likewise.
3498         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3499         using TLSDESC GOT.
3500
3501 2010-08-02  Ian Lance Taylor  <iant@google.com>
3502
3503         * testsuite/final_layout.sh: Use dc to convert from hex to
3504         decimal.
3505
3506 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
3507
3508         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3509         paramter to the call to gold::gc_process_relocs.
3510         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3511         paramter to the call to gold::gc_process_relocs.
3512         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3513         parameter to the call to gold::gc_process_relocs.
3514         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3515         template parameter to the call to gold::gc_process_relocs.
3516         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3517         paramter to the call to gold::gc_process_relocs.
3518         * gc.h (get_embedded_addend_size): New function.
3519         (gc_process_relocs): Save the size of the reloc for use by ICF.
3520         * icf.cc (get_section_contents): Get the addend from the text section
3521         for SHT_REL relocation sections.
3522         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3523         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3524         * int_encoding.h (read_from_pointer): New overloaded function.
3525         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3526         * testsuite/icf_sht_rel_addend_test.sh: New file.
3527         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3528         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3529
3530 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3531
3532         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3533         * Makefile.in: Regenerate.
3534         * testsuite/Makefile.in: Regenerate.
3535
3536 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
3537
3538         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3539         * gold/testsuite/debug_msg.cc: Likewise.
3540         * gold/testsuite/odr_violation1.cc
3541         * gold/testsuite/odr_violation2.cc
3542
3543 2010-07-21  Cary Coutant  <ccoutant@google.com>
3544
3545         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3546         string, and length fields.
3547         (Output_merge_string::Merged_strings_list): New type.
3548         (Output_merge_string::Merged_strings_lists): New typedef.
3549         (Output_merge_string): Replace merged_strings_ with
3550         merged_strings_lists_.
3551         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3552         Merged_strings_list per input object and section.  Don't store pointer
3553         to the string.  Don't store length with each merged string entry.
3554         (Output_merge_string::finalize_merged_data): Loop over list of merged
3555         strings lists.  Recompute length of each merged string.
3556
3557 2010-07-15  Cary Coutant  <ccoutant@google.com>
3558
3559         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3560         here.
3561
3562 2010-07-14  Ian Lance Taylor  <iant@google.com>
3563
3564         * descriptors.cc (Descriptors::open): Report correct name in error
3565         message.
3566
3567 2010-07-13  Doug Kwan  <dougkwan@google.com>
3568
3569         * arm.cc (Arm_input_section::Arm_input_section): For a
3570         SHT_ARM_EXIDX section, always keeps the input sections.
3571         (Arm_input_section::set_exidx_section_link): New method.
3572         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3573         has_errors_ to false.
3574         (Arm_exidx_input_section::has_errors,
3575         Arm_exidx_input_section::set_has_errors): New methods.
3576         (Arm_exidx_input_section::has_errors_): New data member.
3577         (Arm_relobj::get_exidx_shndx_list): New method.
3578         (Arm_output_section::append_text_sections_to_list): Do not skip
3579         section without SHF_EXECINSTR.
3580         (Arm_output_section::fix_exidx_coverage): Skip input sections with
3581         errors.
3582         (Arm_relobj::make_exidx_input_section): Add new parameter for text
3583         section header.  Make error messages more verbose.  Check for
3584         a non-executable section linked to an EXIDX section.
3585         (Arm_relobj::do_read_symbols): Remove error checking, which has been
3586         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
3587         check that there is no deferred EXIDX section if we exit early.
3588         Instead of not making an EXIDX section in case of an error, make one
3589         and set the has_errors flag of it.
3590         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3591         in a relocatable link.
3592         (Target_arm::do_relax): Look for the EXIDX output section instead of
3593         assuming that it is called .ARM.exidx.
3594         (Target_arm::fix_exidx_coverage): Add a new parameter for input
3595         section list.  Do not check for SHF_EXECINSTR section flags but
3596         skip any input section with errors.
3597         * output.cc (Output_section::Output_section): Initialize
3598         always_keeps_input_sections_ to false.
3599         (Output_section::add_input_section): Check for
3600         always_keeps_input_sections_.
3601         *  output.h (Output_section::always_keeps_input_sections,
3602         Output_section::set_always_keeps_input_sections): New methods.
3603         (Output_section::always_keeps_input_sections): New data member.
3604
3605 2010-07-13  Rafael Espindola  <espindola@google.com>
3606
3607         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
3608         * fileread.h (Input_file): Add try_extra_search_path and find_file.
3609
3610 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
3611             Ian Lance Taylor  <iant@google.com>
3612
3613         * output.h (Output_section_lookup_maps::add_merge_section):
3614         Correct check of whether value was inserted.
3615         (Output_section_lookup_maps::add_merge_input_section): Likewise.
3616         (Output_section_lookup_maps::add_relaxed_input_section):
3617         Likewise.
3618         * arm.cc (Target_arm::got_section): Remove used local os.
3619         * i386.cc (Target_i386::got_section): Likewise.
3620         * x86_64.cc (Target_x86_64::got_section): Likewise.
3621         * sparc.cc (Target_sparc::got_section): Likewise.
3622         (Target_sparc::relocate): Remove unused local have_got_offset.
3623         * powerpc.cc (Target_powerpc::relocate): Likewise.
3624
3625 2010-07-13  Ian Lance Taylor  <iant@google.com>
3626
3627         * compressed_output.cc (zlib_decompress): Fix signature in
3628         !HAVE_ZLIB_H case.
3629
3630         * archive.cc (Archive::include_member): Unlock an external member
3631         of a thin archive.  Don't bother to delete an object we know is
3632         NULL.
3633
3634 2010-07-12  Cary Coutant  <ccoutant@google.com>
3635
3636         * compressed_output.cc (zlib_decompress): New function.
3637         (get_uncompressed_size): New function.
3638         (decompress_input_section): New function.
3639         * compressed_output.h (get_uncompressed_size): New function.
3640         (decompress_input_section): New function.
3641         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
3642         Handle compressed debug sections.
3643         * layout.cc (is_compressed_debug_section): New function.
3644         (Layout::output_section_name): Map compressed section names to
3645         canonical names.
3646         * layout.h (is_compressed_debug_section): New function.
3647         (is_debug_info_section): Recognize compressed debug sections.
3648         * merge.cc: Include compressed_output.h.
3649         (Output_merge_data::do_add_input_section): Handle compressed
3650         debug sections.
3651         (Output_merge_string::do_add_input_section): Handle compressed
3652         debug sections.
3653         * object.cc: Include compressed_output.h.
3654         (Sized_relobj::Sized_relobj): Initialize new data members.
3655         (build_compressed_section_map): New function.
3656         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
3657         * object.h (Object::section_is_compressed): New method.
3658         (Object::do_section_is_compressed): New method.
3659         (Sized_relobj::Compressed_section_map): New type.
3660         (Sized_relobj::do_section_is_compressed): New method.
3661         (Sized_relobj::compressed_sections_): New data member.
3662         * output.cc (Output_section::add_input_section): Handle compressed
3663         debug sections.
3664         * reloc.cc: Include compressed_output.h.
3665         (Sized_relobj::write_sections): Handle compressed debug sections.
3666
3667 2010-07-08  Cary Coutant  <ccoutant@google.com>
3668
3669         * resolve.cc (Symbol_table::resolve): Remember whether undef was
3670         weak when resolving to a dynamic def.
3671         (Symbol_table::should_override): Add adjust_dyndef flag; set it
3672         for weak undef/dynamic def cases. Adjust callers.
3673         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
3674         undef_binding_weak_.
3675         (Symbol_table::sized_write_globals): Adjust symbol binding.
3676         (Symbol_table::sized_write_symbol): Add binding parameter.
3677         * symtab.h (Symbol::set_undef_binding): New method.
3678         (Symbol::is_undef_binding_weak): New method.
3679         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
3680         (Symbol_table::should_override): Add new parameter.
3681         (Symbol_table::sized_write_symbol): Add new parameter.
3682
3683         * testsuite/weak_undef_file1.cc: Add new test case.
3684         * testsuite/weak_undef_file2.cc: Fix header comment.
3685         * testsuite/weak_undef_test.cc: Add new test case.
3686
3687 2010-06-29  Doug Kwan  <dougkwan@google.com>
3688
3689         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
3690         Initialize USE_SYMBOL_.
3691         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
3692         definition.
3693         (Arm_reloc_property::uses_symbol_): New data member declaration.
3694         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
3695         uses symbol value and symbol is undefined but not weakly undefined.
3696
3697 2010-06-28  Rafael Espindola  <espindola@google.com>
3698
3699         * plugin.cc (Plugin::load): Use dlerror.
3700
3701 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
3702
3703         * symtab.cc (detect_odr_violations): When reporting an ODR
3704         violation, report an object where the symbol is defined.
3705
3706 2010-06-25  Doug Kwan  <dougkwan@google.com>
3707
3708         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
3709         (Target_arm::section_may_have_icf_unsafe_pointers): New method
3710         definition.
3711         (Target_arm::Scan::local_reloc_may_be_function_pointer,
3712         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
3713         target hook to detect function points.
3714         (Target_arm::Scan::possible_function_pointer_reloc): New method.
3715         * icf.h (Icf::check_section_for_function_pointers): Change type of
3716         parameter SECTION_NAME to const reference to std::string.  Use
3717         target hook to determine if section may have unsafe pointers.
3718         * target.h (Target::section_may_have_icf_unsafe_pointers): New
3719         method definition.
3720
3721 2010-06-21  Rafael Espindola  <espindola@google.com>
3722
3723         * fileread.cc (Input_file::find_fie): New
3724         (Input_file::open): Use Input_file::find_fie.
3725         * fileread.h (Input_file::find_fie): New
3726         * plugin.cc (set_extra_library_path): New.
3727         (Plugin::load): Add set_extra_library_path to the transfer vector.
3728         (Plugin_manager::set_extra_library_path): New.
3729         (Plugin_manager::add_input_file): Use the extra search path if set.
3730         (set_extra_library_path(): New.
3731         * plugin.h (Plugin_manager): Add set_extra_library_path and
3732         extra_search_path_.
3733
3734 2010-06-19  Cary Coutant  <ccoutant@google.com>
3735
3736         * layout.cc (gdb_sections): Add .debug_types.
3737         (lines_only_debug_sections): Likewise.
3738
3739 2010-06-18  Rafael Espindola  <espindola@google.com>
3740
3741         * plugin.cc (add_input_file,add_input_library)
3742         (Plugin_manager::add_input_file): Make filename arguments const.
3743         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
3744         const.
3745
3746 2010-06-16  Doug Kwan  <dougkwan@google.com>
3747
3748         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
3749         .ARM.attributes section if we have not merged any input
3750         attributes sections.
3751
3752 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3753
3754         * arm.cc: Allow combining objects with no EABI version
3755         information.
3756
3757 2010-06-15  Rafael Espindola  <espindola@google.com>
3758
3759         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
3760
3761 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3762
3763         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
3764         (struct iovec): Correct !HAVE_READV definition.
3765
3766 2010-06-10  Cary Coutant  <ccoutant@google.com>
3767
3768         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
3769         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
3770         reloc sections.
3771         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
3772
3773         PR 11683
3774         * symtab.h (Symbol::is_placeholder): New member function.
3775         * target-reloc.h (relocate_section): Check for placeholder symbols.
3776
3777         * testsuite/Makefile.am (plugin_test_8): New test.
3778         (plugin_test_9): New test.
3779         * testsuite/Makefile.in: Regenerate.
3780
3781 2010-06-09  Nick Clifton  <nickc@redhat.com>
3782
3783         * yyscript.y (input_list_element): Allow strings prefixed with
3784         the '-' character.  Treat these as libraries.
3785         * script.cc (script_add_library): New function.  Adds a library
3786         specified by "-l<name>" found in an input script.
3787         * script-c.h: Add prototype for script_add_library.
3788
3789 2010-06-07  Doug Kwan  <dougkwan@google.com>
3790
3791         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
3792         Restrict stub-group size to be within long conditional branch
3793         range when working around cortex-A8 erratum.
3794
3795 2010-06-07  Damien Diederen  <dd@crosstwine.com>
3796
3797         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
3798         #ifdef typo.
3799
3800 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
3801
3802         PR gold/11658
3803         * output.cc
3804         (Output_section::Input_section_sort_entry::compare_section_ordering):
3805         Change to return non-zero correctly.
3806         (Output_section::Input_section_sort_section_order_index_compare
3807         ::operator()): Change to fix ambiguity in comparisons.
3808
3809 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
3810
3811         * gold.h (is_wildcard_string): New function.
3812         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
3813         (Layout::layout_eh_frame): Ditto.
3814         (Layout::find_section_order_index): New method.
3815         (Layout::read_layout_from_file): New method.
3816         * layout.h (Layout::find_section_order_index): New method.
3817         (Layout::read_layout_from_file): New method.
3818         (Layout::input_section_position_): New private member.
3819         (Layout::input_section_glob_): New private member.
3820         * main.cc (main): Call read_layout_from_file here.
3821         * options.h (--section-ordering-file): New option.
3822         * output.cc (Output_section::input_section_order_specified_): New
3823         member.
3824         (Output_section::Output_section): Initialize new member.
3825         (Output_section::add_input_section): Add new parameter.
3826         Keep input sections when --section-ordering-file is used.
3827         (Output_section::set_final_data_size): Sort input sections when
3828         section ordering file is specified.
3829         (Output_section::Input_section_sort_entry): Add new parameter.
3830         Check sorting type.
3831         (Output_section::Input_section_sort_entry::compare_section_ordering):
3832         New method.
3833         (Output_section::Input_section_sort_compare::operator()): Change to
3834         consider section_order_index.
3835         (Output_section::Input_section_sort_init_fini_compare::operator()):
3836         Change to consider section_order_index.
3837         (Output_section::Input_section_sort_section_order_index_compare
3838         ::operator()): New method.
3839         (Output_section::sort_attached_input_sections): Change to sort
3840         according to section order when specified.
3841         (Output_section::add_input_section<32, true>): Add new parameter.
3842         (Output_section::add_input_section<64, true>): Add new parameter.
3843         (Output_section::add_input_section<32, false>): Add new parameter.
3844         (Output_section::add_input_section<64, false>): Add new parameter.
3845         * output.h (Output_section::add_input_section): Add new parameter.
3846         (Output_section::input_section_order_specified): New
3847         method.
3848         (Output_section::set_input_section_order_specified): New method.
3849         (Input_section::Input_section): Initialize section_order_index_.
3850         (Input_section::section_order_index): New method.
3851         (Input_section::set_section_order_index): New method.
3852         (Input_section::section_order_index_): New member.
3853         (Input_section::Input_section_sort_section_order_index_compare): New
3854         struct.
3855         (Output_section::input_section_order_specified_): New member.
3856         * script-sections.cc (is_wildcard_string): Delete and move modified
3857         method to gold.h.
3858         (Output_section_element_input::Output_section_element_input): Modify
3859         call to is_wildcard_string.
3860         (Output_section_element_input::Input_section_pattern
3861         ::Input_section_pattern): Ditto.
3862         (Output_section_element_input::Output_section_element_input): Ditto.
3863         * testsuite/Makefile.am (final_layout): New test case.
3864         * testsuite/Makefile.in: Regenerate.
3865         * testsuite/final_layout.cc: New file.
3866         * testsuite/final_layout.sh: New file.
3867
3868 2010-06-01  Rafael Espindola  <espindola@google.com>
3869
3870         * plugin.cc (Plugin::load): Pass the output name to the plugin.
3871
3872 2010-06-01  Rafael Espindola  <espindola@google.com>
3873
3874         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
3875         visibility of symbols.
3876
3877 2010-05-27  Doug Kwan  <dougkwan@google.com>
3878
3879         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
3880         from start of output section instead of address for a local symbol
3881         in a merged or relaxed section when doing a relocatable link.
3882
3883 2010-05-26  Rafael Espindola  <espindola@google.com>
3884
3885        PR 11604
3886         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
3887         adding sections the garbage collector removed.
3888         * gold/testsuite/Makefile.am: Add test.
3889         * gold/testsuite/Makefile.in: Regenerate.
3890         * gold/testsuite/plugin_test_7.sh: New.
3891         * gold/testsuite/plugin_test_7_1.c: New.
3892         * gold/testsuite/plugin_test_7_2.c: New.
3893
3894 2010-05-26  Rafael Espindola  <espindola@google.com>
3895
3896         * script-sections.cc (Output_section_definition::set_section_addresses):
3897         Check for --section-start.
3898
3899 2010-05-26  Doug Kwan  <dougkwan@google.com>
3900
3901         * arm.cc (Arm_scan_relocatable_relocs): New class.
3902         (Target_arm::relocate_special_relocatable): New method.
3903         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
3904         (Arm_relocate_functions::thumb_branch_common): Same.
3905         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
3906         instead of Default_scan_relocatable_relocs.
3907         * target-reloc.h (relocate_for_relocatable): Let target handle
3908         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
3909         * target.h (Sized_target::relocate_special_relocatable): New method.
3910
3911 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3912
3913         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
3914
3915 2010-05-23  Doug Kwan  <dougkwan@google.com>
3916
3917         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
3918         instead of a cast.
3919         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
3920         with a direct branch, not a conditional branch, to a stub.
3921         * merge.cc (Output_merge_base::record_input_section): New method
3922         defintion.
3923         (Output_merge_data::do_add_input_section): Record input section if
3924         keeps-input-sections flag is set.
3925         (Output_merge_string::do_add_input_section): Ditto.
3926         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
3927         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
3928         INPUT_SECTIONS_.
3929         (Output_merge_base::keeps_input_sections,
3930         Output_merge_base::set_keeps_input_sections,
3931         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
3932         method definitions.
3933         (Output_merge_base::Input_sections): New type declaration.
3934         (Output_merge_base::input_sections_begin,
3935         Output_merge_base::input_sections_end,
3936         Output_merge_base::do_set_keeps_input_sections): New method definitions.
3937         (Output_merge_base::bool keeps_input_sections_,
3938         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
3939         Output_merge_base::input_sections_): New data members.
3940         (Output_merge_data::do_set_keeps_input_sections): New method
3941         defintion.
3942         (Output_merge_string::do_set_keeps_input_sections): Ditto.
3943         * output.cc (Output_section::Input_section::relobj): Move method
3944         defintion from class declaration to here and handle merge sections.
3945         (Output_section::Input_section::shndx): Ditto.
3946         (Output_section::Output_section): Remove initializations of removed
3947         data members and initialize new data member LOOKUP_MAPS_.
3948         (Output_section::add_input_section): Set keeps-input-sections flag
3949         for a newly created merge output section as appropriate.  Adjust code
3950         to use Output_section_lookup_maps class.
3951         (Output_section::add_relaxed_input_section): Adjst code for lookup
3952         maps code refactoring.
3953         (Output_section::add_merge_input_section): Add a new parameter
3954         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
3955         class.  If adding input section to a newly created merge output
3956         section fails, remove the new merge section.
3957         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
3958         Adjust code for use of the Output_section_lookup_maps class.
3959         (Output_section::find_merge_section): Ditto.
3960         (Output_section::build_lookup_maps): New method defintion.
3961         (Output_section::find_relaxed_input_section): Adjust code to use
3962         Output_section_lookup_maps class.
3963         (Output_section::get_input_sections): Export merge sections.  Adjust
3964         code to use Output_section_lookup_maps class.
3965         (Output_section:::add_script_input_section): Adjust code to use
3966         Output_section_lookup_maps class.  Update lookup maps for merge
3967         sections also.
3968         (Output_section::discard_states): Use Output_section_lookup_maps.
3969         (Output_section::restore_states): Same.
3970         * output.h (Merge_section_properties): Move class defintion out of
3971         Output_section.
3972         (Output_section_lookup_maps): New class.
3973         (Output_section::Input_section::is_merge_section): New method
3974         defintion.
3975         (Output_section::Input_section::relobj): Move defintion out of class
3976         defintion.  Declare method only.
3977         (Output_section::Input_section::shndx): Ditto.
3978         (Output_section::Input_section::output_merge_base): New method defintion.
3979         (Output_section::Input_section::u2_.pomb): New union field.
3980         (Output_section::Merge_section_by_properties_map,
3981         Output_section::Output_section_data_by_input_section_map,
3982         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
3983         Remove types.
3984         (Output_section::add_merge_input_section): Add new parameter
3985         KEEPS_INPUT_SECTIONS.
3986         (Output_section::build_lookup_maps): New method declaration.
3987         (Output_section::merge_section_map_,
3988         Output_section::merge_section_by_properties_map_,
3989         Output_section::relaxed_input_section_map_,
3990         Output_section::is_relaxed_input_section_map_valid_): Remove data
3991         members.
3992         (Output_section::lookup_maps_): New data member.
3993
3994 2010-05-21  Doug Kwan  <dougkwan@google.com>
3995
3996         PR gold/11619
3997         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
3998         avoid a compilation error.
3999
4000 2010-05-19  Rafael Espindola  <espindola@google.com>
4001
4002         * script-sections.cc (Output_section_definition::allocate_to_segment):
4003         Update the phdrs_list even when the output section is NULL.
4004         * testsuite/Makefile.am: Add test.
4005         * testsuite/Makefile.in: Regenerate.
4006         * testsuite/script_test_9.cc: New.
4007         * testsuite/script_test_9.sh: New.
4008         * testsuite/script_test_9.t: New.
4009
4010 2010-05-19  Doug Kwan  <dougkwan@google.com>
4011
4012         * arm.cc (Arm_input_section::original_size): New method.
4013         (Arm_input_section::do_addralign): Add a cast.
4014         (Arm_input_section::do_output_offset): Remove static cast.
4015         (Arm_input_section::original_addralign,
4016          Arm_input_section::original_size_): Change type to uint32_t.
4017         (Arm_input_section::init): Add safe casts for section alignment
4018         and size.
4019         (Arm_input_section::set_final_data_size): Do not set address and
4020         offset of stub table.
4021         (Arm_output_section::fix_exidx_coverage): Change use of of
4022         Output_section::Simple_input_section to that of
4023         Output_section::Input_section.
4024         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4025         except for the first pass.
4026         * output.cc (Output_section::get_input_sections): Change type of
4027         input_sections to std::list<Input_section>.
4028         (Output_section::add_script_input_section): Rename from
4029         Output_section::add_simple_input_section.  Change type of SIS
4030         parameter from Simple_input_section to Input_section.
4031         * output.h (Output_section::Simple_input_section): Remove class.
4032         (Output_section::Input_section): Change class visibility to public.
4033         (Output_section::Input_section::addralign): Use stored alignments
4034         for special input sections if set.
4035         (Output_section::Input_section::set_addralign): New method.
4036         (Output_section::get_input_sections): Change parameter type from
4037         list of Simple_input_section to list of Input_section.
4038         (Output_section::add_script_input_section): Rename from
4039         Output_section::add_simple_input_section. Change first parameter's
4040         type from Simple_input_section to Input_section and remove the
4041         second and third parameters.
4042         * script-sections.cc (Input_section::Input_section_list): Change
4043         type to list of Output_section::Input_section/
4044         (Input_section_info::Input_section_info): Change parameter type of
4045         INPUT_SECTION to Output_section::Input_section.
4046         (Input_section_info::input_section): Change return type.
4047         (Input_section_info::input_section_): Change type to
4048         Output_section::Input_section.
4049         (Output_section_element_input::set_section_addresses): Adjust code
4050         to use Output_section::Input_section instead of
4051         Output_section::Simple_input_section.  Adjust code for renaming
4052         of Output_section::add_simple_input_section.
4053         (Orphan_output_section::set_section_addresses): Ditto.
4054
4055 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4056
4057         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4058         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4059
4060 2010-05-18  Rafael Espindola  <espindola@google.com>
4061
4062         * options.cc (General_options::finalize): Handle -nostdlib.
4063         * options.h (nostdlib): New option.
4064         * script.cc (script_add_search_dir): Handle -nostdlib.
4065
4066 2010-05-12  Doug Kwan  <dougkwan@google.com>
4067
4068         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4069         attributes section only if there no attributes section after merging.
4070         (Target_arm::merge_object_attributes): Move value of
4071         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4072         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4073         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4074         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4075         and arm_attr_merge_7.stdout.
4076         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4077         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4078         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4079         arm_attr_merge_7b.o): New rules.
4080         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4081         arm_attr_merge_7
4082         * testsuite/Makefile.in: Regenerate.
4083         * testsuite/arm_attr_merge.sh: New file.
4084         * testsuite/arm_attr_merge_[67][ab].s: Same.
4085
4086 2010-05-05  Nick Clifton  <nickc@redhat.com>
4087
4088         * po/es.po: Updated Spanish translation.
4089
4090 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4091
4092         * Makefile.am (install-exec-local): Properly install gold as
4093         default cross linker.
4094         * Makefile.in: Regenerated.
4095
4096 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4097             Nick Clifton  <nickc@redhat.com>
4098
4099         * configure.ac (install_as_default): Define and set to false
4100         unless --enable-gold or --enable-gold=both/gold has been
4101         specified.
4102         * configure: Regenerate.
4103
4104         * Makefile.am (install-exec-local): Install the executable as
4105         'ld.gold'.  If install_as_default is true then also install it as
4106         'ld'.
4107         * Makefile.in: Regenerated.
4108
4109 2010-04-24  Ian Lance Taylor  <iant@google.com>
4110
4111         * layout.cc (Layout::layout_reloc): In relocatable link don't
4112         combine reloc sections for grouped sections.
4113
4114 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4115
4116         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4117         sections that are not ordinary to icf.
4118         * icf.cc (get_section_contents): Handle relocation pointing to section
4119         with no object or shndx information.
4120         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4121         * testsuite/Makefile.in: Regenerate.
4122         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4123         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4124
4125 2010-04-22  Ian Lance Taylor  <iant@google.com>
4126
4127         * expression.cc (Expression::Expression_eval_info): Add
4128         result_alignment_pointer field.
4129         (Expression::eval_with_dot): Add result_alignment_pointer
4130         parameter.  Change all callers.
4131         (Expression::eval_maybe_dot): Likewise.
4132         (class Binary_expression): Add alignment_pointer parameter to
4133         left_value and right_value.  Change all callers.
4134         (BINARY_EXPRESSION): Set result alignment.
4135         (class Trinary_expression): Add alignment_pointer parameter to
4136         arg2_value and arg3_value.  Change all callers.
4137         (Trinary_cond::value): Set result alignment.
4138         (Max_expression::value, Min_expression::value): Likewise.
4139         (Align_expression::value): Likewise.
4140         * script-sections.cc (class Sections_element): Add dot_alignment
4141         parameter to set_section_addresses virtual function.  Update
4142         instantiations.
4143         (class Output_section_element): Likewise.
4144         (Script_sections::create_segments): Add dot_alignment parameter.
4145         Change all callers.
4146         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4147         (Script_sections::set_phdrs_clause_addresses): Likewise.
4148         * script-sections.h: Update declarations.
4149         * script.h: Update declarations.
4150         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4151         min_p_align.
4152         * testsuite/script_test_3.t: Set large alignment.
4153         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4154         segment has expected alignment.
4155
4156 2010-04-22  Nick Clifton  <nickc@redhat.com>
4157
4158         * po/gold.pot: Updated by the Translation project.
4159         * po/vi.po: Updated Vietnamese translation.
4160
4161 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4162
4163         * testsuite/Makefile.am (check_PROGRAMS): Add
4164         icf_virtual_function_folding_test.
4165         * testsuite/Makefile.in: Regenerated.
4166
4167 2010-04-15  Andrew Haley  <aph@redhat.com>
4168
4169         * options.h (merge_exidx_entries): New option.
4170         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4171         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4172         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4173         (Target_arm::merge_exidx_entries): New function.
4174         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4175         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4176         to Arm_exidx_fixup constructor.
4177         Add new arg, merge_exidx_entries.
4178         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4179         Arm_output_section::fix_exidx_coverage.
4180
4181 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4182
4183         * icf.cc (get_section_contents): Check for preemptible functions.
4184         Ignore addend when appropriate.
4185         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4186         section folded.
4187         (add_from_relobj): Check for section folded.
4188         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4189         * symtab.h (should_add_dynsym_entry): Add new parameter.
4190         * target-reloc.h (scan_relocs): Check for section folded.
4191         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4192         Check reloc types for function pointers in shared objects.
4193         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4194         case.
4195         (icf_preemptible_functions_test): New test case.
4196         (icf_string_merge_test): New test case.
4197         * testsuite.Makefile.in: Regenerate.
4198         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4199         bar_glob.  Refactor code.
4200         * testsuite/icf_preemptible_functions_test.cc: New file.
4201         * testsuite/icf_preemptible_functions_test.sh: New file.
4202         * testsuite/icf_string_merge_test.cc: New file.
4203         * testsuite/icf_string_merge_test.sh: New file.
4204         * testsuite/icf_virtual_function_folding_test.cc: New file.
4205         * testsuite/icf_virtual_function_folding_test.sh: New file.
4206
4207 2010-04-14  Doug Kwan  <dougkwan@google.com>
4208
4209         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4210         for local symbol recounting if we remove a section due to ICF.
4211         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4212         there are no regular objects in input.
4213
4214 2010-04-13  Doug Kwan  <dougkwan@google.com>
4215
4216         * arm.cc (Arm_input_section::set_final_data_size): Compute
4217         accurate final data size instead of using current data size.
4218
4219 2010-04-09  Doug Kwan  <dougkwan@google.com>
4220
4221         * layout.cc (Layout::choose_output_section): Handle script section
4222         types.
4223         (Layout::make_output_section_for_script): Add section type parameter.
4224         Handle script section types.
4225         * layout.h (Layout::make_output_section_for_script): Add section
4226         type parameter.
4227         * output.cc (Output_section::Output_section): Initialize data member
4228         is_noload_.
4229         (Output_section::do_reset_address_and_file_offset): Do not set address
4230         to 0 if section is a NOLOAD section.
4231         * output.h (Output_section::is_noload): New method.
4232         (Output_section::set_is_noload): Ditto.
4233         (Output_section::is_noload_): New data member.
4234         * script-c.h (Script_section_type): New enum type.
4235         (struct Parser_output_section_header): Add new file section_type.
4236         * script-sections.cc (Sections_element::output_section_name): Add
4237         parameter for returning script section type.
4238         (Output_section_definition::output_section_name): Ditto.
4239         (Output_section_definition::section_type)P; New method.
4240         (Output_section_definiton::script_section_type_name): Ditto.
4241         (Output_section_definition::script_section_type_): New data member.
4242         (Output_section_definition::Output_section_definition): Initialize
4243         data member Output_section_definition::script_section_type_.
4244         (Output_section_definition::create_sections): Pass script section type
4245         to Layout::make_output_section_for_script.
4246         (Output_section_definition::output_section_name): Return script
4247         section type to caller.
4248         (Output_section_definition::set_section_address): Do not advance
4249         dot value and load address if section type is NOLOAD.  Set address
4250         of NOLOAD sections regardless of section flags.
4251         (Output_section_definition::print): Print section type if it is
4252         not SCRIPT_SECTION_TYPE_NONE.
4253         (Output_section_definition::section_type): New method.
4254         (Output_section_definition::script_section_type_name): Ditto.
4255         (Script_sections::output_section_name): Add new parameter
4256         PSECTION_TYPE for returning script section type.  Pass it to
4257         section elements.  Handle discard sections.
4258         (Sort_output_sections::operator()): Handle NOLOAD sections.
4259         * script-sections.h (Script_sections::Section_type): New enum type.
4260         (Script_sections::output_section_name): Add a new parameter for
4261         returning script section type.
4262         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4263         INFO and NOLOAD.
4264         * yyscript.y (union): Add new field SECTION_TYPE.
4265         (COPY, DSECT, INFO, NOLOAD): New tokens.
4266         (opt_address_and_section_type): Change type to output_section_header.
4267         (section_type): New non-terminal
4268         (section_header): Handle section type.
4269         (opt_address_and_section_type): Return section type value.
4270
4271 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4272
4273         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4274         * testsuite/plugin_common_test_2.c (foo): Likewise.
4275
4276 2010-04-08  Doug Kwan  <dougkwan@google.com>
4277
4278         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4279         Output_merge_data.
4280         * output.cc (Output_section::add_merge_input_section): Simplify
4281         code and return status of Output_merge_base::add_input_section.
4282         Update merge section map only if Output_merge_base::add_input_section
4283         returns true.
4284
4285 2010-04-07  Doug Kwan  <dougkwan@google.com>
4286
4287         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4288         if section is marked as containing instructions but has no mapping
4289         symbols.
4290         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4291         correct section index.
4292         (Arm_relobj::find_linked_text_section): Ditto.
4293
4294 2010-04-07  Cary Coutant  <ccoutant@google.com>
4295
4296         * archive.cc (include_member): Destroy Read_symbols_data object before
4297         releasing file.
4298         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4299         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4300         (Read_symbols_data::~Read_symbols_data) New destructor.
4301         (Section_relocs::Section_relocs) New constructor.
4302         (Section_relocs::~Section_relocs) New destructor.
4303         (Read_relocs_data::Read_relocs_data) New constructor.
4304         (Read_relocs_data::~Read_relocs_data) New destructor.
4305         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4306         pointers to NULL after deleting.
4307
4308 2010-04-07  Doug Kwan  <dougkwan@google.com>
4309
4310         * arm.cc: Replace "endianity" with "endianness" in comments.
4311         (Arm_exidx_cantunwind): Ditto.
4312         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4313         (Arm_relobj::merge_flags_and_attributes): New method.
4314         (Arm_relobj::merge_flags_and_attributes_): New data member.
4315         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4316         (Arm_relobj::scan_sections_for_stubs): Ditto.
4317         (Arm_relobj::do_read_symbols): Check to see if we really want to
4318         merge processor-specific flags and attributes.  Exit early if
4319         an object is empty except for section names and the undefined symbol.
4320         (Target_arm::do_finalize_sections): Move check for ELF format to
4321         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4322         attributes from a regular object only when we have determined that
4323         it is aapropriate.  Do not create an .ARM.attributes section in
4324         output if there is no regular input object.
4325         (Target_arm::merge_processor_specific_flags): Check
4326         --warn-mismatch before printing any error.
4327         (Target_arm::merge_object_attributes): Ditto.
4328         * gold.cc (queue_middle_tasks): Handle the case in which there is
4329         no regular object in input.
4330         * options.cc (General_options::parse_EB): New method.
4331         (General_options::parse_EL): Same.
4332         (General_options::General_options): Initialize endianness_.
4333         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4334         New options.
4335         (General_options::Endianness): New enum.
4336         (General_options::endianness): New method.
4337         (General_options::endianness_): New data member.
4338         * parameters.cc (Parameters::set_options): Check target endianness.
4339         (Parameters::set_target_once): Ditto.
4340         (Parameters::check_target_endianness): New method.
4341         (parameters_force_valid_target): If either -EL or -EB is specified,
4342         use it to define endianness of default target.
4343         * parameters.h (Parameters::check_target_endianness): New method
4344         declaration.
4345         * target.h (class Target): Change "endianity" to "endianness"
4346         in comments.
4347
4348 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4349
4350         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4351         * configure: Regenerate.
4352         * Makefile.in: Regenerate.
4353         * testsuite/Makefile.in: Regenerate.
4354
4355 2010-04-06  Cary Coutant  <ccoutant@google.com>
4356
4357         gcc PR lto/42757
4358         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4359         prevailing definitions of common symbols.
4360         * testsuite/plugin_test_6.sh: New test case.
4361         * testsuite/plugin_common_test_1.c: New test case.
4362         * testsuite/plugin_common_test_2.c: New test case.
4363         * testsuite/Makefile.am (plugin_test_6): New test case.
4364         * testsuite/Makefile.in: Regenerate.
4365
4366 2010-04-06  Nick Clifton  <nickc@redhat.com>
4367
4368         * po/vi.po: New Vietnamese translation.
4369
4370 2010-03-30  Doug Kwan  <dougkwan@google.com>
4371
4372         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4373
4374 2010-03-25  Doug Kwan  <dougkwan@google.com>
4375
4376         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4377         to avoid a conversion warning on a 32-bit host.
4378
4379 2010-03-24  Ian Lance Taylor  <iant@google.com>
4380
4381         * testsuite/script_test_3.t: Add a TLS segment.
4382         * testsuite/Makefile.am (check_PROGRAMS): Add
4383         tls_phdrs_script_test.
4384         (tls_phdrs_script_test_SOURCES): Define.
4385         (tls_phdrs_script_test_DEPENDENCIES): Define.
4386         (tls_phdrs_script_test_LDFLAGS): Define.
4387         (tls_phdrs_script_test_LDADD): Define.
4388         * testsuite/Makefile.in: Rebuild.
4389
4390 2010-03-23  Cary Coutant  <ccoutant@google.com>
4391
4392         * fileread.cc (find_or_make_view): Fix comment.
4393
4394 2010-03-23  Ian Lance Taylor  <iant@google.com>
4395
4396         * script-sections.cc (class Orphan_section_placement): Define
4397         PLACE_TLS and PLACE_TLS_BSS.
4398         (Orphan_section_placement::Orphan_section_placement): Initialize
4399         new places.
4400         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4401         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4402         (tls_script_test_SOURCES): Define.
4403         (tls_script_test_DEPENDENCIES): Define.
4404         (tls_script_test_LDFLAGS): Define.
4405         (tls_script_test_LDADD): Define.
4406         * testsuite/Makefile.in: Rebuild.
4407
4408 2010-03-22  Doug Kwan  <dougkwan@google.com>
4409
4410         * arm.cc (Arm_relocate_functions::abs8,
4411         Arm_relocate_functions::abs16): Use correct check for overflow
4412         specified in the ARM ELF specs.
4413         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4414         target of a BLX instruction specially.
4415         (Reloc_stub::stub_type_for_reloc): Ditto.
4416         (Relocate::relocate): Use symbolic names instead of numeric relocation
4417         codes to report error.
4418         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4419         workaround.
4420         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4421         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4422         thumb2_blx_out_of_range.stdout
4423         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4424         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4425         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4426         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4427         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4428         thumb2_blx_in_range, thumb2_blx_in_range.o,
4429         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4430         thumb2_blx_out_of_range.o): New rules.
4431         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4432         thumb2_blx_in_range and thumb2_blx_out_of_range.
4433         * testsuite/Makefile.in: Regenerate.
4434         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4435         * testsuite/thumb_blx_in_range.s: New file.
4436         * testsuite/thumb_blx_out_of_range.s: New file.
4437
4438 2010-03-22  Rafael Espindola  <espindola@google.com>
4439
4440         * archive.cc (Should_include): Move to archive.h.
4441         (should_include_member): Make it a member of Archive.
4442         (Lib_group): New.
4443         (Add_lib_group_symbols): New.
4444         * archive.h: Include options.h.
4445         (Archive_member): Moved from Archive.
4446         (Should_include): Moved from archive.cc.
4447         (Lib_group): New.
4448         (Add_lib_group_symbols): New.
4449         * dynobj.cc (do_should_include_member): New.
4450         * dynobj.h (do_should_include_member): New.
4451         * gold.cc (queue_initial_tasks): Update call to queue.
4452         * main.cc (main): Print lib group stats.
4453         * object.cc (do_should_include_member): New.
4454         * object.h: Include archive.h.
4455         (Object::should_include_member): New.
4456         (Object::do_should_include_member): New.
4457         (Sized_relobj::do_should_include_member): New.
4458         * options.cc (General_options::parse_start_lib): New.
4459         (General_options::parse_end_lib): New.
4460         (Input_arguments::add_file): Handle lib groups.
4461         (Input_arguments::start_group): Check we are not in a lib.
4462         (Input_arguments::start_lib): New.
4463         (Input_arguments::end_lib): New.
4464         * options.h (General_options): Add start_lib and end_lib.
4465         (Input_argument::lib_): New.
4466         (Input_argument::lib): New.
4467         (Input_argument::is_lib): New.
4468         (Input_file_lib): New.
4469         (Input_arguments::in_lib_): New.
4470         (Input_arguments::in_lib): New.
4471         (Input_arguments::start_lib): New.
4472         (Input_arguments::end_lib_): New.
4473         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4474         in unused members as preempted.
4475         (Sized_pluginobj::do_should_include_member): New.
4476         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4477         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4478         return the blocker.
4479         (Read_symbols::do_whole_lib_group): New.
4480         (Read_symbols::do_lib_group): New.
4481         (Read_symbols::do_read_symbols): Handle lib groups.
4482         (Read_symbols::get_name): Handle lib groups.
4483         * readsyms.h (Read_symbols): Add an archive member pointer.
4484         (Read_symbols::do_whole_lib_group): New.
4485         (Read_symbols::do_lib_group): New.
4486         (Read_symbols::member_): New.
4487         * script.cc (read_input_script): Update call to queue_soon.
4488
4489 2010-03-19  Doug Kwan  <dougkwan@google.com>
4490
4491         * arm.cc (Stub_table::Stub_table): Initialize new data members
4492         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4493         (Stub_table::add_reloc_stub): Assign stub offset and update
4494         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4495         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4496         New data members.
4497         (Stub_table::update_data_size_and_addralign): Use
4498         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4499         instead of going over all reloc stubs.
4500         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4501         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4502         Stringpool_template::offset_ to size of Stringpool_char.
4503         (Stringpool_template::new_key_offset): Remove code to initialize
4504         Stringpool_template::offset_.
4505         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4506         Stringpool_template::offset_ to zero.
4507
4508 2010-03-15  Doug Kwan  <dougkwan@google.com>
4509
4510         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4511         offset_.
4512         (Stringpool_template::new_key_offset): New method.
4513         (Stringpool_template::add_string): Assign offsets when adding new
4514         strings.
4515         (Stringpool_template::set_string_offsets): Do not set string offsets
4516         when not optimizing.
4517         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4518         member size_.
4519         (Chunked_vector::clear): Clear size_.
4520         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4521         (Chunked_vector::size): Return size_.
4522         (Chunked_vector::push_back): Use size_ to find insert position.
4523         (Chunked_vector::size_): New data member.
4524         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4525         (Stringpool_template::new_key_offset): New method declaration.
4526         (Stringpool_template::offset_): New data member.
4527
4528 2010-03-15   Rafael Espindola  <espindola@google.com>
4529
4530         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4531         Add_symbols' constructor.
4532         * readsyms.h (Add_symbols): Remove the input_group member.
4533
4534 2010-03-10  Ian Lance Taylor  <iant@google.com>
4535
4536         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4537         target to ask whether a reference to a symbol requires a stack
4538         split.
4539         * target.h (Target::is_call_to_non_split): New function.
4540         (Target::do_is_call_to_non_split): Declare virtual function.
4541         * target.cc: Include "symtab.h".
4542         (Target::do_is_call_to_non_split): New function.
4543         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4544
4545 2010-03-10  Cary Coutant  <ccoutant@google.com>
4546
4547         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4548         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4549         (File_read::open[2]): Add whole_file_view_ to list of views.
4550         (File_read::make_view): Remove test of whole_file_view_.
4551         (File_read::find_or_make_view): Create whole_file_view_ if
4552         necessary.
4553         (File_read::clear_views): Replace bool parameter with enum;
4554         adjust all callers.  Don't delete views with permanent data;
4555         do delete cached views and views from archives if
4556         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4557         if clearing the corresponding view.
4558         * fileread.h (File_read::Clear_views_mode): New enum.
4559         (File_read::View::is_permanent_view): New method.
4560         (File_read::clear_views): Replace bool parameter
4561         with enum; adjust all callers.
4562         * options.h (General_options): Change keep_files_mapped option;
4563         add map_whole_files.
4564         * readsyms.cc (Add_symbols::run): Delete sd_ object before
4565         releasing the file.
4566         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4567         the file.
4568
4569 2010-03-10  David S. Miller  <davem@davemloft.net>
4570
4571         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4572
4573 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
4574
4575         * icf.cc (get_section_contents): Add '@' marker after processing the
4576         merge reloc.
4577
4578 2010-03-08  Doug Kwan  <dougkwan@google.com>
4579
4580         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4581         due to a conversion warning.
4582         (Arm_relobj::update_output_local_symbol_count): Check for local
4583         symbol with unset output index.
4584
4585 2010-03-05  Ian Lance Taylor  <iant@google.com>
4586
4587         * options.h (class General_options): Add --spare-dynamic-tags.
4588         * output.cc (Output_data_dynamic::set_final_data_size): Implement
4589         --spare-dynamic-tags.
4590
4591 2010-03-05  Ian Lance Taylor  <iant@google.com>
4592
4593         * incremental.cc: Include "libiberty.h".
4594
4595 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4596
4597         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4598         function, is_info_ member.
4599         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4600         (Versions::Versions): Update caller.
4601         (Versions::define_base_version): Likewise.
4602         (Versions::add_def): Likewise.
4603
4604 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
4605
4606         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
4607         (Scan::possible_function_pointer_reloc): New function.
4608         (Scan::local_reloc_may_be_function_pointer): Change to call
4609         possible_function_pointer_reloc.
4610         (Scan::global_reloc_may_be_function_pointer): Ditto.
4611         * icf.h (Icf::check_section_for_function_pointers): Change to reject
4612         relocations in ".data.rel.ro._ZTV" section.
4613         * testsuite/icf_safe_so_test.sh: Change to pass i386.
4614         * testsuite/icf_safe_so_test.cc: Ditto.
4615         * testsuite/icf_safe_test.cc: Ditto.
4616         * testsuite/icf_safe_test.sh: Ditto.
4617
4618 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4619             Ian Lance Taylor  <iant@google.com>
4620
4621         * target-reloc.h (relocate_section): Check the symbol table index
4622         for -1U before setting the local symbol index.
4623         (scan_relocatable_relocs): If copying the relocation, record that
4624         the local symbol is required.
4625         * object.h (Symbol_value::is_output_symtab_index_set): New
4626         function.
4627         (Symbol_value::may_be_discarded_from_output_symtab): New
4628         function.
4629         (Symbol_value::has_output_symtab_entry): New function.
4630         (Symbol_value::needs_output_symtab_entry): Remove.
4631         (Symbol_value::output_symtab_index): Make sure the symbol index is
4632         set.
4633         (Symbol_value::set_output_symtab_index): Make sure the symbol
4634         index is not set.  Make sure the new index is valid.
4635         (Symbol_value::set_must_have_output_symtab_entry): New function.
4636         (Symbol_value::has_output_dynsym_entry): New function.
4637         (Symbol_value::set_output_dynsym_index): Make sure the new index
4638         is valid.
4639         (Sized_relobj::set_must_have_output_symtab_entry): New function.
4640         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
4641         local symbol if permitted.
4642         (Sized_relobj::do_finalize_local_symbols): Call
4643         is_output_symtab_index_set rather than needs_output_symtab_entry.
4644         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
4645         rather than needs_output_symtab_entry.  Call
4646         has_output_dynsym_entry rather than needs_output_dynsym_entry.
4647         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
4648         is_output_symtab_index_set rather than needs_output_symtab_entry.
4649         * testsuite/discard_locals_relocatable_test.c: New file.
4650         * testsuite/discard_locals_test.sh: Test -r.
4651         * testsuite/Makefile.am (check_DATA): Add
4652         discard_locals_relocatable_test1.syms,
4653         discard_local_relocatable_test2.syms.
4654         (MOSTLYCLEANFILES): Likewise.  Also add
4655         discard_locals_relocatable_test1.lout and
4656         discard_locals_relocatable_test2.out.
4657         (discard_locals_relocatable_test1.syms): New target.
4658         (discard_locals_relocatable_test.o): New target.
4659         (discard_locals_relocatable_test1.out): New target.
4660         (discard_locals_relocatable_test2.syms): New target.
4661         (discard_locals_relocatable_test2.out): New target.
4662         (various): Add missing ../ld-new dependencies.
4663         * testsuite/Makefile.in: Rebuild.
4664
4665 2010-03-03  Nick Clifton  <nickc@redhat.com>
4666
4667         * po/fi.po: New Finnish translation.
4668
4669 2010-03-01  Doug Kwan  <dougkwan@google.com>
4670
4671         * layout.cc (Layout::Layout): Force section types of .init_array*,
4672         .preinit_array* and .fini_array* sections.
4673         * output.cc (Output_section::Input_section_sort_entry::has_priority):
4674         Fix check of return value of std::string::find.().
4675         (Output_section::Input_section_sort_compare::operator()): Remove
4676         comment about .init_array.
4677         (Output_section::Input_section_sort_init_fini_compare::operator()):
4678         New method.
4679         (Output_section::sort_attached_input_sections): Handle .init_array
4680         and .fini_array specially.
4681         * output.h (Output_section::Inut_section_sort_compare): Update
4682         comment.
4683         (Output_section::Input_section_sort_init_fini_compare): New struct.
4684
4685 2010-02-26  Doug Kwan  <dougkwan@google.com>
4686
4687         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
4688         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
4689         * testsuite/debug_msg.sh: Avoid matching source line number for
4690         use of global variable undef_int.
4691
4692 2010-02-26  Doug Kwan  <dougkwan@google.com>
4693
4694         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
4695         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
4696         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
4697         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
4698         * options.cc (General_options::General_options): Initialize member
4699         fix_v4bx_.
4700         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
4701         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
4702         and rm_no_fix_v4bx.stdout
4703         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
4704         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
4705         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
4706         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
4707         and arm_no_fix_v4bx.
4708         * Makefile.in: Regenerate.
4709         * testsuite/arm_fix_v4bx.s: New file.
4710         * testsuite/arm_fix_v4bx.sh: Ditto.
4711
4712 2010-02-24  Doug Kwan  <dougkwan@google.com>
4713
4714         * arm.cc (Target_arm::got_section): Make the .got section the first
4715         non RELRO section in the data segment.
4716         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
4717         suffixes of section names.
4718
4719 2010-02-24  Doug Kwan  <dougkwan@google.com>
4720
4721         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
4722         flags and attributes merging if an input file is a binary file.
4723         * fileread.cc (Input_file::open): Record format of original file.
4724         * fileread.h (Input_file::Format): New enum type.
4725         (Input_file::Input_file): Initialize data member format_.
4726         (Input_file::format): New method definition.
4727         (Input_file::format_):: New data member.
4728
4729 2010-02-24  Doug Kwan  <dougkwan@google.com>
4730
4731         * arm.cc (Arm_output_data_got): New class.
4732         (ARM_TCB_SIZE): New constant
4733         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
4734         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
4735         If user uses a script with a SECTIONS clause, issue only a warning
4736         for a misplaced EXIDX input section.  Otherwise, issue an error.
4737         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
4738         garbage collection.
4739         (Target_arm::got_mode_index_entry): Handle static linking.
4740         (Target_arm::Scan::local): Ditto.
4741         (Target_arm::Scan::global): Ditto.
4742         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
4743         all incorrectly implemented relocations.
4744         (Target_arm::fix_exidx_coverage): Pass layout to
4745         Arm_output_section::fix_exidx_coverage.
4746         * layout.cc (Layout::section_name_mapping): Remove trailing dots
4747         from ".ARM.exidx." and ".ARM.extab.".
4748
4749 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4750
4751         * arm.cc (Target_arm::do_finalize_sections): Create attribute
4752         section if it does not already exist.
4753         * attributes.cc (Attributes_section_data::Attributes_section_data):
4754         Don't crash if size is zero.
4755
4756 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4757             Ian Lance Taylor  <iant@google.com>
4758
4759         * gold.cc (queue_middle_tasks): If no input files were opened,
4760         exit.
4761         * workqueue.h (Task_function::Task_function): Assert that there is
4762         a blocker.
4763
4764 2010-02-22  Doug Kwan  <dougkwan@google.com>
4765
4766         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
4767         * icf.cc (get_section_contents): Cast snprintf arguments to long long
4768         types to avoid warnings due to different uint64_t implementations
4769         on different hosts.
4770
4771 2010-02-21  Doug Kwan  <dougkwan@google.com>
4772
4773         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
4774         handling of the maximum backward branch offset.
4775         (Arm_relocate_functions::thumb_branch_common): Ditto.
4776         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
4777         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
4778         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
4779         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
4780         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
4781         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
4782         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
4783         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
4784         thumb_bl_out_of_range thumb_bl_out_of_range.o,
4785         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
4786         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
4787         thumb2_bl_out_of_range.o): New rules.
4788         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
4789         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
4790         thumb2_bl_out_of_range
4791         * testsuite/Makefile.in: Regenerate.
4792         * testsuite/arm_bl_in_range.s: New file.
4793         * testsuite/arm_bl_out_of_range.s: Ditto.
4794         * testsuite/arm_branch_in_range.sh: Ditto.
4795         * testsuite/arm_branch_range.t: Ditto.
4796         * testsuite/thumb2_branch_range.t: Ditto.
4797         * testsuite/thumb_bl_in_range.s: Ditto.
4798         * testsuite/thumb_bl_out_of_range.s: Ditto.
4799         * testsuite/thumb_branch_range.t: Ditto.
4800
4801 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
4802
4803         * gc.h (gc_process_relocs): Change vectors to point to the new list.
4804         Add reloc offset information.
4805         * icf.cc (get_section_contents): Change iterators to point to the new
4806         vectors. Add reloc offset information to the contents.
4807         * icf.h (Icf::Sections_reachable_info): New typedef.
4808         (Icf::Sections_reachable_list): New typedef.
4809         (Icf::Offset_info): New typedef.
4810         (Icf::Reloc_info): New struct typedef.
4811         (Icf::Reloc_info_list): New typedef.
4812         (Icf::symbol_reloc_list): Delete method.
4813         (Icf::addend_reloc_list): Delete method.
4814         (Icf::section_reloc_list): Delete method.
4815         (Icf::reloc_info_list): New method.
4816         (Icf::reloc_info_list_): New member.
4817
4818 2010-02-19  Doug Kwan  <dougkwan@google.com>
4819
4820         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
4821         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
4822         * arm.cc (Arm_relocation_functions): New forward declaration.
4823         (Target_arm::Target_arm): Initialize new data members
4824         got_mod_index_offset_ and tls_base_symbol_defined_.
4825         (Target_arm::Relocate::relocate_tls): New method.
4826         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
4827          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
4828         New methods.
4829         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
4830         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
4831         (Target_arm::got_mod_index_offset_,
4832         Target_arm::tls_base_symbol_defined_): New data members.
4833         (Target_arm::Scan::local, Target::Scan::global,
4834         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
4835         relocations.
4836
4837 2010-02-18  Doug Kwan  <dougkwan@google.com>
4838
4839         * arm.cc (Arm_relobj::find_linked_text_section): New method.
4840         (Arm_relobj::make_exidx_input_section): Pass section index of linked
4841         text section as a parameter becuase some broken tools may not set
4842         the link in section header.
4843         (Target_arm::has_got_section): New method.
4844         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
4845         without any mapping symbol as data only.  Remove warning.
4846         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
4847         link in its section header, try to discover the link by inspecting the
4848         REL31 relocation at the beginning of the section.
4849         (Target_arm::Scan::check_non_pic): Report name of offending relocation
4850         in error message.
4851         (Target_arm::Scan::global): Treat any reference to the symbol
4852         _GLOBAL_OFFSET_TABLE_ as a GOT access.
4853
4854 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
4855
4856         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
4857         (Scan::global_reloc_may_be_function_pointer): New function.
4858         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4859         (Scan::global_reloc_may_be_function_pointer): New function.
4860         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4861         (Scan::global_reloc_may_be_function_pointer): New function.
4862         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
4863         (Scan::global_reloc_may_be_function_pointer): New function.
4864         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
4865         (Scan::global_reloc_may_be_function_pointer): New function.
4866         (Scan::possible_function_pointer_reloc): New function.
4867         (Target_x86_64::can_check_for_function_pointers): New function.
4868         * gc.h (gc_process_relocs): Scan relocation types to determine if
4869         function pointers were taken for targets that support it.
4870         * icf.cc (Icf::find_identical_sections): Include functions for
4871         folding in safe ICF whose pointer is not taken.
4872         * icf.h (Secn_fptr_taken_set): New typedef.
4873         (fptr_section_id_): New member.
4874         (section_has_function_pointers): New function.
4875         (set_section_has_function_pointers): New function.
4876         (check_section_for_function_pointers): New function.
4877         * options.h: Fix comment for safe ICF option.
4878         * target.h (can_check_for_function_pointers): New function.
4879         * testsuite/Makefile.am: Add icf_safe_so_test test case.
4880         Modify icf_safe_test for X86-64.
4881         * testsuite/Makefile.in: Regenerate.
4882         * testsuite/icf_safe_so_test.cc: New file.
4883         * testsuite/icf_safe_so_test.sh: New file.
4884         * testsuite/icf_safe_test.cc (kept_func_3): New function.
4885         (main): Change to take pointer to function kept_func_3.
4886         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
4887         folding is done correctly for X86-64.
4888
4889 2010-02-12  David S. Miller  <davem@davemloft.net>
4890
4891         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
4892         is_symbolless parameter.
4893         (Output_reloc<SHT_REL>::is_symbolless): New.
4894         (Output_reloc<SHT_REL>::is_symbolless_): New.
4895         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
4896         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
4897         (Output_reloc<SHT_RELA>::is_symbolless): New.
4898         (Output_data_reloc::add_global): Handle is_symbolless.
4899         (Output_data_reloc::add_global_relative): Likewise.
4900         (Output_data_reloc::add_local): Likewise.
4901         (Output_data_reloc::add_local_relative): Likewise.
4902         (Output_data_reloc::add_symbolless_global_addend): New.
4903         (Output_data_reloc::add_symbolless_local_addend): New.
4904         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
4905         is_symbolless.
4906         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
4907         instead of ->is_relative_
4908         (Output_reloc::write): Likewise.
4909         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
4910         (Output_reloc::write_rel): Simplify.
4911
4912         * sparc.cc (Target_sparc::Scan::local): Use
4913         ->add_symbolless_local_addend as needed.
4914         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
4915         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
4916         based upon relocation offset.
4917
4918 2010-02-11  Doug Kwan  <dougkwan@google.com>
4919
4920         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
4921         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
4922         beginning of function.
4923         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
4924         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
4925         parameter is_32bit in calls to should_apply_static_reloc.
4926         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
4927         (check_DATA): Add arm_abs_global.stdout.
4928         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
4929         arm_abs_global.stdout): New rules.
4930         (MOSTLLYCLEANFILES): Add arm_abs_global
4931         * Makefile.in: Regenerate.
4932         * testsuite/arm_abs_global.s: New file.
4933         * testsuite/arm_abs_global.sh: Ditto.
4934         * testsuite/arm_abs_lib.s: Ditto.
4935
4936 2010-02-11  Ian Lance Taylor  <iant@google.com>
4937
4938         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
4939         Read_relocs task.
4940         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
4941         Allocate_commons_task first.
4942         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
4943         task, rather than symtab_lock_.
4944         (Gc_process_relocs::~Gc_process_relocs): New function.
4945         (Gc_process_relocs::is_runnable): Check this_blocker_.
4946         (Gc_process_relocs::locks): Use next_blocker_ rather than
4947         blocker_.
4948         (Scan_relocs::~Scan_relocs): New function.
4949         (Scan_relocs::is_runnable): Check this_blocker_ rather than
4950         symtab_lock_.
4951         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
4952         next_blocker_.
4953         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
4954         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
4955         constructor accordingly.
4956         (class Gc_process_relocs): Likewise.
4957         (class Scan_relocs): Likewise.
4958         * common.h (class Allocate_commons_task): Remove symtab_lock_
4959         field, and corresponding constructor parameter.
4960         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
4961         symtab_lock_.
4962         (Allocate_commons_task::locks): Likewise.
4963
4964 2010-02-11  Ian Lance Taylor  <iant@google.com>
4965
4966         * gold-threads.h (class Once): Define.
4967         (class Initialize_lock): Rewrite as child of Once.
4968         * gold-threads.cc (class Once_initialize): Define.
4969         (once_pointer_control): New static variable.
4970         (once_pointer, once_arg): New static variables.
4971         (c_run_once): New static function.
4972         (Once::Once, Once::run_once, Once::internal_run): New functions.
4973         (class Initialize_lock_once): Remove.
4974         (initialize_lock_control): Remove.
4975         (initialize_lock_pointer): Remove.
4976         (initialize_lock_once): Remove.
4977         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
4978         (Initialize_lock::initialize): Rewrite.
4979         (Initialize_lock::do_run_once): New function.
4980         * archive.cc (Archive::interpret_header): Only clear name if it is
4981         not already empty.
4982         * fileread.cc: Include "gold-threads.h"
4983         (file_counts_lock): New static variable.
4984         (file_counts_initialize_lock): Likewise.
4985         (File_read::release): Only increment counts when using --stats.
4986         Use a lock around the increment.
4987         * parameters.cc (class Set_parameters_target_once): Define.
4988         (set_parameters_target_once): New static variable.
4989         (Parameters::Parameters): Move here from parameters.h.
4990         (Parameters::set_target): Rewrite.
4991         (Parameters::set_target_once): New function.
4992         (Parameters::clear_target): Move here and rewrite.
4993         * parameters.h (class Parameters): Update declarations.  Add
4994         set_parameters_target_once_ field.
4995         (Parameters::Parameters): Move to parameters.cc.
4996         (Parameters::clear_target): Likewise.
4997         * readsyms.cc (Read_symbols::do_group): Create a Start_group
4998         task.
4999         (Start_group::~Start_group): New function.
5000         (Start_group::is_runnable): New function.
5001         (Start_group::locks, Start_group::run): New functions.
5002         (Finish_group::run): Change saw_undefined to size_t.
5003         * readsyms.h (class Start_group): Define.
5004         (class Finish_group): Change saw_undefined_ field to size_t.
5005         (Finish_group::Finish_group): Remove saw_undefined and
5006         this_blocker parameters.  Change all callers.
5007         (Finish_group::set_saw_undefined): New function.
5008         (Finish_group::set_blocker): New function.
5009         * symtab.h (class Symbol_table): Change saw_undefined to return
5010         size_t.  Change saw_undefined_ field to size_t.
5011         * target-select.cc (Set_target_once::do_run_once): New function.
5012         (Target_selector::Target_selector): Initialize set_target_once_
5013         field.  Don't initialize lock_ and initialize_lock_ fields.
5014         (Target_selector::instantiate_target): Rewrite.
5015         (Target_selector::set_target): New function.
5016         * target-select.h (class Set_target_once): Define.
5017         (class Target_selector): Update declarations.  Make
5018         Set_target_once a friend.  Remove lock_ and initialize_lock_
5019         fields.  Add set_target_once_ field.
5020
5021 2010-02-10  Ian Lance Taylor  <iant@google.com>
5022
5023         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5024         queueing any tasks.
5025         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5026         (queue_middle_tasks): Add all blockers before queueing any tasks.
5027         (queue_final_tasks): Likewise.
5028         * token.h (Task_token::add_blockers): New function.
5029         * object.h (Input_objects::number_of_relobjs): New function.
5030
5031 2010-02-10  Ian Lance Taylor  <iant@google.com>
5032
5033         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5034         shared, not if not position independent.
5035         * x86_64.cc (Relocate::relocate_tls): Likewise.
5036         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5037         (tls_pie_pic_test): New target.
5038         * testsuite/Makefile.in: Rebuild.
5039
5040         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5041         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5042         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5043         * testsuite/Makefile.in: Rebuild.
5044
5045 2010-02-09  David S. Miller  <davem@davemloft.net>
5046
5047         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5048         R_SPARC_RELATIVE using ->add_local_relative().
5049         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5050
5051         * output.h (Output_data_dynamic::add_section_size): New method
5052         that takes two Output_data objects.
5053         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5054         entry param.  Handle it in initializers.
5055         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5056         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5057         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5058         arg.
5059         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5060         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5061         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5062         for dynrel_includes_plt.
5063         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5064         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5065         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5066         before .rela.plt
5067         (Target_sparc::do_finalize_sections): Update to pass true for
5068         dynrel_includes_plt.
5069         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5070         output before .rela.plt
5071         (Target_powerpc::do_finalize_sections): Update to pass true for
5072         dynrel_includes_plt when 32-bit.
5073
5074 2010-02-08  Doug Kwan  <dougkwan@google.com>
5075
5076         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5077         method.
5078         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5079         Arm_relobj::scan_section_for_cortex_a8_stubs,
5080         Arm_relobj::do_relocation_section): Instead of calling
5081         Output_section::output_address, use faster
5082         Arm_relobj::simple_input_section_output_address.
5083
5084 2010-02-08  David S. Miller  <davem@davemloft.net>
5085
5086         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5087         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5088         relocation helper function.
5089
5090         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5091         just like R_SPARC_GOT{10,13,22}.
5092         (Target_sparc::Scan::local): Likewise.
5093         (Target_sparc::Relocate:relocate): Likewise.
5094
5095 2010-02-06  Ian Lance Taylor  <iant@google.com>
5096
5097         * configure.ac: Rewrite targetobjs duplicate removal code to use
5098         only shell constructs.
5099         * configure: Rebuild.
5100
5101 2010-02-05  Doug Kwan  <dougkwan@google.com>
5102
5103         PR 11247
5104         * arm.cc (Arm_relobj::section_is_scannable): New method.
5105         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5106         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5107
5108 2010-02-04  Doug Kwan  <dougkwan@google.com>
5109
5110         PR 11247
5111         * arm-reloc-property.cc (cstdio): Include.
5112         * configure.ac (targetobjs): Remove duplicates.
5113         * configure: Regenerate.
5114         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5115         big and little endian version for a given address size.
5116
5117 2010-02-03  Doug Kwan  <dougkwan@google.com>
5118
5119         * arm-reloc-property.cc
5120         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5121         definition.
5122         * arm-reloc-property.h
5123         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5124         New method definition.
5125         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5126         declaration.
5127         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5128         overflow to N.
5129         (GOT_PREL): Change implemented to Y.
5130         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5131         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5132         (Arm_relocate_functions::movw_abs_nc): Remove method.
5133         (Arm_relocate_functions::movt_abs): Ditto.
5134         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5135         (Arm_relocate_functions::thm_movt_abs): Ditto.
5136         (Arm_relocate_functions::movw_rel_nc): Ditto.
5137         (Arm_relocate_functions::movw_rel): Ditto.
5138         (Arm_relocate_functions::movt_rel): Ditto.
5139         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5140         (Arm_relocate_functions:thm_movw_rel): Ditto.
5141         (Arm_relocate_functions:thm_movt_rel): Ditto.
5142         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5143         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5144         New method definitions.
5145         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5146         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5147         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5148         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5149         (Target_arm::Relocate::relocate): Check for non-static or
5150         unimplemented relocation code and exit early.  Change calls to
5151         Target_arm::reloc_uses_thumb_bit and
5152         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5153         instead.  Refactor code to handle similar relocations to increase
5154         code sharing.  Remove check for unsupported relocation code in switch
5155         statement.
5156         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5157         relocation property table to find out size.  Change error message to
5158         print out the name of a relocation code instead of the numeric value.
5159         (Target_arm::scan_reloc_for_stub): Use relocation property table
5160         instead of calling Target_arm::reloc_uses_thumb_bit().
5161
5162 2010-02-02  Doug Kwan  <dougkwan@google.com>
5163
5164         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5165         types of relaxed input section.
5166
5167 2010-02-02  Doug Kwan  <dougkwan@google.com>
5168
5169         * Makefile.am (HFILES): Add arm-reloc-property.h.
5170         (DEFFILES): New.
5171         (TARGETSOURCES): Add arm-reloc-property.cc
5172         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5173         (libgold_a_SOURCES): $(DEFFILES)
5174         * Makefile.in: Regenerate.
5175         * arm-reloc-property.cc: New file.
5176         * arm-reloc-property.h: New file.
5177         * arm-reloc.def: New file.
5178         * arm.cc: Update comments.
5179         (arm-reloc-property.h): New included header.
5180         (arm_reloc_property_table): New global variable.
5181         (Target_arm::do_select_as_default_target): New method definition.
5182         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5183         arm-reloc-property to targ_extra_obj.
5184         * parameters.cc (set_parameters_target): Call
5185         Target::select_as_default_target().
5186         * target.h (Target::select_as_default_target): New method definition.
5187         (Target::do_select_as_default_target): Same.
5188
5189 2010-02-01  Doug Kwan  <dougkwan@google.com>
5190
5191         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5192         first_output_text_section_.
5193         (Arm_exidx_fixup::first_output_text_section): New method definition.
5194         (Arm_exidx_fixup::first_output_text_section_): New data member.
5195         (Arm_exidx_fixup::process_exidx_section): Record the first text
5196         output section seen.
5197         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5198         and entsize in output section header.
5199
5200 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5201
5202         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5203         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5204         (Arm_relocate_functions::thm_alu11): New Method.
5205         (Arm_relocate_functions::thm_pc8): New Method.
5206         (Arm_relocate_functions::thm_pc12): New Method.
5207         (Target_arm::Scan::local): Handle the relocations.
5208         (Target_arm::Scan::global): Likewise.
5209         (Target_arm::Relocate::relocate): Likewise.
5210         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5211
5212 2010-01-29  Doug Kwan  <dougkwan@google.com>
5213
5214         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5215         of relocation types as ld.
5216
5217 2010-01-29  Doug Kwan  <dougkwan@google.com>
5218
5219         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5220         to public.
5221         (Arm_relocate_functions::thumb_branch_common): Ditto.
5222         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5223         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5224         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5225         Arm_relocate_functions::jump24): Remove.
5226         (Target_arm::Relocate::relocate): Adjust code to call
5227         Arm_relocation_functions::arm_branch_common and
5228         Arm_relocation_functions::thumb_branch_common instead of their removed
5229         wrappers.  Merge switch-cases together to reduce source code size.
5230
5231 2010-01-29  Doug Kwan  <dougkwan@google.com>
5232
5233         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5234         output_local_symbol_count_needs_update_.
5235         (Arm_relobj::output_local_symbol_count_needs_update,
5236          Arm_relobj::set_output_local_symbol_count_needs_update,
5237          Arm_relobj::update_output_local_symbol_count): New methods.
5238         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5239         member.
5240         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5241         of pointed function as in a R_ARM_PREL31 relocation.
5242         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5243         for output local symbol count updating.
5244         (Target_arm::do_relax): Update output local symbol counts in objects
5245         if necessary.
5246         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5247
5248 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5249
5250         * arm.cc: Added support for the ARM relocations:
5251         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5252         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5253         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5254         movw_prel_nc).
5255         (Arm_relocate_functions::movw_rel): New method.
5256         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5257         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5258         thm_movw_prel_nc).
5259         (Arm_relocate_functions::thm_movw_rel): New method.
5260         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5261         thm_movt_prel).
5262         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5263         relocations.
5264         (Target_arm::Scan::global): Likewise.
5265         (Target_arm::Relocate::relocate): Likewise.
5266         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5267         Likewise.
5268
5269 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5270
5271         * arm.cc: Added support for ARM group relocations.
5272         (Target_arm::reloc_needs_sym_origin): New method.
5273         (Arm_relocate_functions::calc_grp_kn): New method.
5274         (Arm_relocate_functions::calc_grp_residual): New method.
5275         (Arm_relocate_functions::calc_grp_gn): New method.
5276         (Arm_relocate_functions::arm_grp_alu): New Method.
5277         (Arm_relocate_functions::arm_grp_ldr): New Method.
5278         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5279         (Arm_relocate_functions::arm_grp_ldc): New Method.
5280         (Target_arm::Scan::local): Handle the ARM group relocations.
5281         (Target_arm::Scan::global): Likewise.
5282         (Target_arm::Relocate::relocate): Likewise.
5283         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5284         Likewise.
5285
5286 2010-01-26  Doug Kwan  <dougkwan@google.com>
5287
5288         * arm.cc (set): Include.
5289         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5290         pointer type.
5291         (Arm_output_section::Text_section_list): New type.
5292         (Arm_output_section::append_text_sections_to_list): New method.
5293         (Arm_output_section::fix_exidx_coverage): Ditto.
5294         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5295         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5296         Relobj::set_section_offset() instead of
5297         Sized_relobj::invalidate_section_offset().
5298         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5299         parameter for section headers. Ignore relocation sections for
5300         unallocated sections and EXIDX sections.
5301         (Target_arm::fix_exidx_coverage): New method.
5302         (Target_arm::output_section_address_less_than): New type.
5303         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5304         linked text section instead of the EXIDX section.
5305         (Arm_output_section::create_stub_group): Add an assertion to check
5306         that this is not an EXIDX output section.
5307         (Arm_output_section::append_text_sections_to_list): New method.
5308         (Arm_output_section::fix_exidx_coverage): Ditto.
5309         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5310         Arm_relobj::section_needs_reloc_stub_scanning.
5311         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5312         first pass.
5313         (Target_arm::fix_exidx_coverage): New method.
5314         * object.h (Relobj::set_output_section): New method.
5315         (Sized_relobj::invalidate_section_offset): Remove method.
5316         (Sized_relobj::do_invalidate_section_offset): Remove method.
5317         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5318
5319 2010-01-25  Doug Kwan  <dougkwan@google.com>
5320
5321         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5322         Fix warning due to signed and unsigned comparison on a 32-bit host.
5323
5324 2010-01-22  Doug Kwan  <dougkwan@google.com>
5325
5326         * arm.cc (Target_arm::do_relax): Record an output section for section
5327         offset adjustment it contains any stub table that has changed.
5328         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5329         offsets in an output section if necessary.
5330         * output.cc (Output_section::Output_section): Initialize
5331         section_offsets_need_adjustments_.
5332         (Output_section::add_input_section_for_script): Renamed to
5333         Output_section::add_simple_input_section.
5334         (Output_section::save_states): Add a comment.
5335         (Output_section::discard_states): New method defintion.
5336         (Output_section::adjust_section_offsets): Same.
5337         * output.h (Output_section::add_input_section_for_script): Renamed to
5338         Output_section::add_simple_input_section.
5339         (Output_section::discard_states): New method declaration.
5340         (Output_section::adjust_section_offsets): Same.
5341         (Output_section::section_offsets_need_adjustment,
5342         Output_section::set_section_offsets_need_adjustment): New method
5343         definitions.
5344         (Output_section::section_offsets_need_adjustment_): New data member.
5345         * script-sections.cc
5346         (Output_section_element_input::set_section_address): Adjust code for
5347         renaming of Output_section::add_input_section_for_script.
5348         (Orphan_output_section::set_section_address): Same.
5349
5350 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5351
5352         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5353         Fix_v4bx enum values .
5354         * gold/options.h (General_options): New option definitions.
5355         (General_options::fix_v4bx): New method.
5356         (General_options::Fix_v4bx): New enum.
5357         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5358         (General_options::parse_fix_v4bx_interworking): New method.
5359
5360 2010-01-22  Doug Kwan  <dougkwan@google.com>
5361
5362         * arm.cc (Arm_exidx_fixup): New class.
5363
5364 2010-01-21  Doug Kwan  <dougkwan@google.com>
5365
5366         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5367         classes.
5368         (Arm_exidx_section_offset_map): New type.
5369
5370 2010-01-21  Doug Kwan  <dougkwan@google.com>
5371
5372         * arm.cc (Arm_exidx_input_section): New class.
5373         (Arm_relobj::exidx_input_section_by_link,
5374         Arm_relobj::exidx_input_section_by_shndx,
5375         Arm_relobj::make_exidx_input_section): New methods.
5376         (read_arm_attributes_section): Remove.
5377         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5378         information about them.
5379         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5380         to here.
5381
5382 2010-01-20  Doug Kwan  <dougkwan@google.com>
5383
5384         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5385         Input_section_specifier to Section_id.
5386         (Target_arm::new_arm_input_section: Adjust code for change of key
5387         type.
5388         (Target_arm::find_arm_input_section): Ditto.
5389         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5390         (Section_id): Remove.
5391         (Garbage_collection::Section_id_hash): Remove.
5392         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5393         (Section_id): Remove.
5394         (Icf::Section_id_hash): Remove.
5395         * object.h (Section_id, Const_section_id, Section_id_hash,
5396         Const_section_id_hash): New type definitions.
5397         * output.cc (Output_section::add_relaxed_input_section): Change to
5398         use Const_section_id instead of Input_section_specifier as key type.
5399         (Output_section::add_merge_input_section): Ditto.
5400         (Output_section::build_relaxation_map): Change to use Section_id
5401         instead of Input_section_specifier as key type.
5402         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5403         Ditto.
5404         (Output_section::convert_input_sections_to_relaxed_sections): Change
5405         to use Const_section_id instead of Input_section_specifier as key type.
5406         (Output_section::find_merge_section): Ditto.
5407         (Output_section::find_relaxed_input_section): Ditto.
5408         * output.h (Input_section_specifier): Remove class.
5409         (Output_section::Output_section_data_by_input_section_map): Change
5410         key type to Const_section_id.
5411         (Output_section::Output_relaxed_input_section_by_input_section_map):
5412         Ditto.
5413         (Output_section::Relaxation_map): Change key type to Section_id.
5414
5415 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5416
5417         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5418         (class Arm_v4bx_stub): New class.
5419         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5420         (Stub_factory::make_arm_v4bx_stub): New method.
5421         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5422         (Stub_table::empty): Handle v4bx stubs.
5423         (Stub_table::add_arm_v4bx_stub): New method.
5424         (Stub_table::find_arm_v4bx_stub): New method.
5425         (Arm_relocate_functions::v4bx): New method.
5426         (Target_arm::fix_v4bx): New method.
5427         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5428         (Stub_table::relocate_stubs): Likewise.
5429         (Stub_table::do_write): Likewise.
5430         (Stub_table::update_data_size_and_addralign): Likewise.
5431         (Stub_table::finalize_stubs):  Likewise.
5432         (Target_arm::Scan::local): Likewise.
5433         (Target_arm::Scan::global): Likewise.
5434         (Target_arm::do_finalize_sections): Likewise.
5435         (Target_arm::Relocate::relocate): Likewise.
5436         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5437         Likewise.
5438         (Target_arm::scan_reloc_for_stub): Likewise.
5439         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5440
5441 2010-01-19  Ian Lance Taylor  <iant@google.com>
5442
5443         * output.cc (Output_section_headers::do_sized_write): Write large
5444         segment count to sh_info field.
5445         (Output_file_header::do_sized_write): For large segment count,
5446         write PN_XNUM to e_phnum field.
5447
5448 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5449
5450         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5451         (Arm_relocate_functions::thm_jump8): New function.
5452         (Arm_relocate_functions::thm_jump11): New function.
5453         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5454         R_ARM_THM_JUMP11.
5455         (Target_arm::Scan::global): Likewise.
5456         (Target_arm::Relocate::relocate): Likewise.
5457         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5458         Likewise.
5459
5460 2010-01-14  Doug Kwan  <dougkwan@google.com>
5461
5462         * arm.cc (map, utility): Include headers.
5463         (Target_arm::apply_cortex_a8_workaround): New method.
5464         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5465         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5466         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5467         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5468         the --[no-]fix-cortex-a8 command line options.
5469         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5470         (Target_arm::relocate_stub): Use addend in instruction template.
5471         * options.h (DEFINE_bool): Set the user-set flag.
5472         (General_options): Add --[no-]-fix-cortex options.
5473         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5474         : Update fast look-up map after conversion.
5475
5476 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5477
5478         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5479         in the first pass of do_layout.
5480
5481 2010-01-13  Doug Kwan  <dougkwan@google.com>
5482
5483         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5484         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5485         apparent compiler problem of not folding static constant integral
5486         data members of elfcpp::Elf_sizes<32>.
5487
5488 2010-01-13  Doug Kwan  <dougkwan@google.com>
5489
5490         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5491         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5492         Arm_relobj::scan_section_for_cortex_a8_erratum,
5493         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5494         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5495         sections to scan for relocation stubs into a new method
5496         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5497         relocation and Cortex-A8 stub scanning.
5498         (Target_arm::do_relax): Force stubs to be after stubbed sections
5499         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5500         the beginning of a new relaxation pass.  Update a comment.
5501         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5502
5503 2010-01-12  Ian Lance Taylor  <iant@google.com>
5504
5505         * target-reloc.h (visibility_error): New inline function.
5506         (relocate_section): Call visibility_error.
5507         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5508         (MOSTLYCLEANFILES): Likewise.
5509         (protected_4_pic.o, protected_3.err): New targets.
5510         * testsuite/protected_4.cc: New file.
5511
5512 2010-01-12  Doug Kwan  <dougkwan@google.com>
5513
5514         * arm.cc (Cortex_a8_reloc): New class.
5515         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5516         and cortex_a8_relocs_info_.
5517         (Target_arm::fix_cortex_a8): New method definition.
5518         (Target_arm::Cortex_a8_relocs_info): New type.
5519         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5520         New data member declarations.
5521         (Target_arm::scan_reloc_for_stub): Record information about
5522         relocations for THUMB branches that might be exempted from the
5523         Cortex-A8 workaround.
5524         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5525         at the beginning of a relaxation pass.
5526
5527 2010-01-12  Doug Kwan  <dougkwan@google.com>
5528
5529         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5530         (Arm_relobj::Mapping_symbol_position,
5531          Arm_reloj::Mapping_symbol_position_less,
5532          Arm_relobj::Mapping_symbols_info): New types.
5533         (Target_arm::is_mapping_symbol_name): New method definition.
5534         (Arm_relobj::do_count_local_symbols): Save information about mapping
5535         symbols.
5536
5537 2010-01-11  Doug Kwan  <dougkwan@google.com>
5538
5539         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5540         Arm_relocate_functions::thumb32_branch_upper,
5541         Arm_relocate_functions::thumb32_branch_lower,
5542         Arm_relocate_functions::thumb32_cond_branch_offset,
5543         Arm_relocate_functions::thumb32_cond_branch_upper,
5544         Arm_relocate_functions::thumb32_cond_branch_lower,
5545         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5546         branch offset encoding.
5547         (Arm_relocate_functions::thumb_branch_common): Use new branch
5548         offset encoding methods to avoid code duplication.
5549         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5550         (Stub_addend_reader::operator()): Use new branch encoding method
5551         to avoid code duplication.
5552
5553 2010-01-11  Doug Kwan  <dougkwan@google.com>
5554
5555         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5556         (Target_arm::do_finalize_sections): Define special EXIDX section
5557         symbols only if referenced.
5558         * gc.h (Garbage_collection::add_reference): New method.
5559         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5560         code duplication.
5561
5562 2010-01-11  Ian Lance Taylor  <iant@google.com>
5563
5564         * script.cc (Version_script_info::build_expression_list_lookup):
5565         Change complaing about duplicate wildcard match from error to
5566         warning.
5567
5568         * script.cc (class Lazy_demangler): Recreate--revert part of patch
5569         of 2009-12-30.
5570         (Version_script_info::Version_script_info): Initialize globs_,
5571         default_version_, default_is_global_, and exact_.  Don't
5572         initialize globals_ or locals_.
5573         (Version_script_info::build_lookup_tables): Build local symbols
5574         first.
5575         (Version_script_info::unquote): New function.
5576         (Version_script_info::add_exact_match): New function.
5577         (Version_script_info::build_expression_list_lookup): Remove lookup
5578         parameter.  Add is_global parameter.  Change all callers.  Handle
5579         wildcard pattern specially.  Unquote pattern.  Call
5580         add_exact_match.
5581         (Version_script_info::get_name_to_match): New function.
5582         (Version_script_info::get_symbol_version): New function.
5583         (Version_script_info::get_symbol_version_helper): Remove.
5584         (Version_script_info::check_unmatched_names): Call unquote.
5585         * script.h (class Version_script_info): Change get_symbol_version
5586         to be non-inline and add is_global parameter; change all callers.
5587         Rewrite symbol_is_local.  Update declarations.  Define struct
5588         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
5589         Remove globals_ and locals_ members.  Add exact_, globs_,
5590         default_version_, is_global_.
5591         (Version_script_info::Glob): Remove pattern, add expression and
5592         is_global.  Update constructor.  Change all callers.
5593         * dynobj.cc (Versions::finalize): Mark the version symbol as the
5594         default version.
5595         (Versions::symbol_section_contents): If a symbol is undefined, or
5596         defined in a dynamic object, set the version index to
5597         VER_NDX_LOCAL.
5598         * symtab.cc (Symbol_table::add_from_relobj): Don't call
5599         symbol_is_local.
5600         (Symbol_table::add_from_pluginobj): Likewise.
5601         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
5602
5603 2010-01-11  Doug Kwan  <dougkwan@google.com>
5604
5605         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
5606         (incremental_dump_LDADD): Add linking option for libintl.
5607         * Makefile.in: Regenerate.
5608
5609 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
5610
5611         PR gold/11144
5612         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5613         instead of -Ds.
5614         * testsuite/Makefile.in: Regenerated.
5615
5616 2010-01-10  Doug Kwan  <dougkwan@google.com>
5617
5618         * options.h (DEFINE_var): Use parentheses around argument varname__
5619         in macro body to avoid any unintended subsequent substitutions.
5620
5621 2010-01-10  Ian Lance Taylor  <iant@google.com>
5622
5623         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
5624         candidates before doing symbol resolution.
5625
5626         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
5627         ODR candidates if only one is weak.
5628
5629 2010-01-08  Ian Lance Taylor  <iant@google.com>
5630
5631         * script.cc (Version_script_info::build_expression_list_lookup):
5632         Don't warn about ambiguous version, just record the ambiguity.
5633         (Version_script_info::get_symbol_version_helper): Give error if
5634         version is ambiguous.
5635
5636 2010-01-08  Doug Kwan  <dougkwan@google.com>
5637
5638         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
5639           prev_data_size_ and prev_addralign_.  Remove initializer for
5640           deleted data member has_been_changed_.
5641           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
5642           to determine if the table is empty.
5643           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
5644           Remove.
5645           (Stub_table::add_reloc_stub): Define method in class definition
5646           instead of just declaring it there.
5647           (Stub_table::add_cortex_a8_stub): New method definition.
5648           (Stub_table::update_data_size_and_addralign): Ditto.
5649           (Stub_table::finalize_stubs): Ditto.
5650           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
5651           (Stub_table::do_addralign_): Return address alignment in the
5652           (Stub_table::do_reset_address_and_file_offset): Define method in
5653           class definition instead of declaring it there.  Set current data
5654           size to be the data size of the previous pass.
5655           (Stub_table::set_final_data_size): Use current data size as the
5656           final data size.
5657           (Stub_table::relocate_stub): Change parameter type of stub from
5658           Reloc_stub pointer to Stub pointer.
5659           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
5660           (Stub_table::Cortex_a8_stub_list): New typedef.
5661           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
5662            Stub_table::prev_addralign_): New data member.
5663           (Arm_relobj::Arm_relobj): Initialize data member
5664           section_has_cortex_a8_workaround_.
5665           (Arm_relobj::section_has_cortex_a8_workaround,
5666            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
5667            definitions.
5668           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
5669           declarations.
5670           (Target_arm::relocate_stub): Change parameter type of stub from
5671           Reloc_stub pointer to Stub pointer.
5672           (Insn_template::size, Insn_template::alignment): Handle
5673           THUMB16_SPECIAL_TYPE.
5674           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
5675            Stub_table::update_data_size_and_addralign,
5676            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
5677           definitions.
5678           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
5679           (Stub_table::do_write): Ditto.
5680           (Target_arm::do_relax): Adjust code for changes in Stub_table.
5681
5682 2010-01-08  Ian Lance Taylor  <iant@google.com>
5683
5684         PR 11108
5685         * symtab.h (class Symbol): Remove fields is_target_special_ and
5686         has_plt_offset_.  Add field is_defined_in_discarded_section_.
5687         (Symbol::is_defined_in_discarded_section): New function.
5688         (Symbol::set_is_defined_in_discarded_section): New function.
5689         (Symbol::has_plt_offset): Rewrite.
5690         (Symbol::set_plt_offset): Verify that new offset is not -1U.
5691         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
5692         Don't initialize is_target_special_ or has_plt_offset_.
5693         Initialize is_defined_in_discarded_section_.
5694         (Symbol_table::add_from_relobj): If appropriate, set
5695         is_defined_in_discarded_section.
5696         * resolve.cc (Symbol::override_base_with_special): Don't test
5697         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
5698         * target-reloc.h (relocate_section): Do special handling for
5699         symbols defined in discarded sections for global symbols as well
5700         as local symbols.
5701
5702 2010-01-08  Ian Lance Taylor  <iant@google.com>
5703
5704         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
5705         the SHT_SYMTAB case.
5706
5707 2010-01-08  Ian Lance Taylor  <iant@google.com>
5708
5709         * object.cc (Sized_relobj::do_layout): Don't get confused if
5710         layout_eh_frame returns NULL.
5711
5712 2010-01-08  Ian Lance Taylor  <iant@google.com>
5713
5714         PR 11084
5715         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
5716         dynamic symbol table, use the normal symbol table.
5717         (Sized_dynobj::do_read_symbols): Remove assertion about type of
5718         symbol table.
5719
5720 2010-01-08  Ian Lance Taylor  <iant@google.com>
5721
5722         PR 11072
5723         * layout.cc (Layout::include_section): Remove .gnu_debuglink
5724         sections.
5725
5726 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
5727
5728         * version.cc (print_version): Change to "Copyright 2010".
5729
5730 2010-01-08  Ian Lance Taylor  <iant@google.com>
5731
5732         PR 10287
5733         PR 11063
5734         * i386.cc (class Target_i386): Change return type of plt_section
5735         to be non-const.
5736         (class Output_data_plt_i386): Add tls_desc_rel_ field.
5737         (Output_data_plt_i386::Output_data_plt_i386): Initialize
5738         tls_desc_rel_ field.
5739         (Output_data_plt_i386::rel_tls_desc): New function.
5740         (Target_i386::rel_tls_desc_section): New function.
5741         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
5742         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
5743         R_386_TLS_DESC reloc in rel_tls_desc_section.
5744         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
5745         Define struct Tlsdesc_info.
5746         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
5747         (Target_x86_64::do_reloc_symbol_index): New function.
5748         (Target_x86_64::add_tlsdesc_info): New function.
5749         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
5750         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
5751         tlsdesc_rel_ field.
5752         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
5753         all callers.
5754         (Output_data_plt_x86_64::rela_tlsdesc): New function.
5755         (Target_x86_64::rela_tlsdesc_section): New function.
5756         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
5757         handling.
5758         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
5759         (Target_x86_64::do_reloc_addend): New function.
5760         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
5761         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
5762         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
5763         (Output_reloc::type): New function.
5764         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
5765         (Output_reloc::is_target_specific): New function.
5766         (Output_reloc::target_arg): New function.
5767         (class Output_reloc) [SHT_RELA]: Add four new constructors for
5768         absolute relocs and target specific relocs.
5769         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
5770         add_target_specific.
5771         (class Output_data_reloc) [SHT_RELA]: Likewise.
5772         * output.cc (Output_reloc::Output_reloc): Add four new versions
5773         for absolute relocs and target specific relocs.
5774         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
5775         (Output_reloc::get_symbol_index): Likewise.
5776         (Output_reloc::local_section_offset): Check that local_sym_index_
5777         is not TARGET_CODE or 0.
5778         (Output_reloc::symbol_value): Likewise.
5779         (Output_reloc::write) [SHT_RELA]: Call target for target specific
5780         reloc.
5781         * target.h (class Target): Add reloc_symbol_index and reloc_addend
5782         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
5783         functions.
5784         * layout.cc (add_target_dynamic_tags): Use output section for
5785         DT_PLTRELSZ and DT_JMPREL.
5786
5787 2010-01-07  Ian Lance Taylor  <iant@google.com>
5788
5789         PR 11061
5790         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
5791         function.
5792         (class Output_data_reloc_generic): Define.
5793         (class Output_data_reloc_base): Change base class to
5794         Output_data_reloc_generic.  Change add() method to call
5795         bump_relative_reloc_count for a relative reloc.  Remove
5796         sort_relocs_ field.
5797         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
5798         to sort_relocs().
5799         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
5800         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
5801         appropriate.
5802         * layout.h (class Layout): Update declaration.
5803
5804 2010-01-07  Ian Lance Taylor  <iant@google.com>
5805
5806         * output.h (class Output_data): Add const version of
5807         output_section and do_output_section.
5808         (class Output_section_data): Add const version of
5809         do_output_section.
5810         (class Output_section): Likewise.
5811         * layout.cc (Layout::add_target_dynamic_tags): New function.
5812         * layout.h (class Layout): Update declarations.
5813         * arm.cc (Target_arm::do_finalize_sections): Use
5814         add_target_dynamic_tags.
5815         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5816         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
5817         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
5818         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5819
5820 2010-01-07  Ian Lance Taylor  <iant@google.com>
5821
5822         PR 11042
5823         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
5824         object as needed.
5825
5826 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
5827             Ian Lance Taylor  <iant@google.com>
5828
5829         PR 11019
5830         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
5831         Xindex::read_symtab_xindex.
5832
5833 2010-01-07  Doug Kwan  <dougkwan@google.com>
5834
5835         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
5836         (Insn_template::thumb16_bcond_insn): New method declaration.
5837         (Insn_template): Fix spelling.
5838         (Stub::thumb16_special): New method declaration.
5839         (Stub::do_write): Define virtual method which was previously pure
5840         virtual.
5841         (Stub::do_thumb16_special): New method declaration.
5842         (Stub::do_fixed_endian_write): New template member.
5843         (Reloc_stub::do_write): Remove.
5844         (Reloc_stub::do_fixed_endian_write): Remove.
5845         (Cortex_a8_stub): New class definition.
5846         (Stub_factory::make_cortex_a8_stub): New method definition.
5847         (Stub_factory::Stub_factory): Add missing static storage class
5848         qualifier for elf32_arm_stub_a8_veneer_blx.
5849
5850 2010-01-07  Ian Lance Taylor  <iant@google.com>
5851
5852         PR 10980
5853         * options.h (class General_options): Add --warn-unresolved-symbols
5854         and --error-unresolved-symbols.
5855         * errors.cc (Errors::undefined_symbol): Implement
5856         --warn-unresolved-symbols.
5857
5858         * options.h (class General_options): Add -z text and -z textoff.
5859         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
5860
5861 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
5862
5863         * gc.h (Garbage_collection::Cident_section_map): New typedef.
5864         (Garbage_collection::cident_sections): New function.
5865         (Garbage_collection::add_cident_section): New function.
5866         (Garbage_collection::cident_sections_): New member.
5867         (gc_process_relocs): Add references to sections whose names are C
5868         identifiers.
5869         * gold.h (cident_section_start_prefix): New constant.
5870         (cident_section_stop_prefix): New constant.
5871         (is_cident): New function.
5872         * layout.cc (Layout::define_section_symbols): Replace string constants
5873         with the newly defined constants.
5874         * object.cc (Sized_relobj::do_layout): Track sections whose names are
5875         C identifiers.
5876         * testsuite/Makefile.am: Add gc_orphan_section_test.
5877         * testsuite/Makefile.in: Regenerate.
5878         * testsuite/gc_orphan_section_test.cc: New file.
5879         * testsuite/gc_orphan_section_test.sh: New file.
5880
5881 2010-01-06  Ian Lance Taylor  <iant@google.com>
5882
5883         PR 10980
5884         * options.h (class General_options): Add --warn-shared-textrel.
5885         * layout.cc (Layout::finish_dynamic_section): Implement
5886         --warn-shared-textrel.
5887
5888         PR 10980
5889         * options.h (class General_options): Add --warn-multiple-gp.
5890
5891 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5892
5893         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
5894         $(THREADSLIB) and $(LIBDL).
5895         * Makefile.in: Rebuild.
5896
5897 2010-01-06  Ian Lance Taylor  <iant@google.com>
5898
5899         PR 10980
5900         * options.cc (General_options::parse_section_start): New function.
5901         (General_options::section_start): New function.
5902         (General_options::General_options): Initialize all members.
5903         * options.h: Include <map>
5904         (class General_options): Add --section-start.  Add section_starts_
5905         member.
5906         * layout.cc (Layout::attach_allocated_section_to_segment): If
5907         --section-start was used, set the address of the segment.  Remove
5908         local sort_sections.
5909         (Layout::relaxation_loop_body): If the address of the load segment
5910         has been set by --section-start, don't use it.
5911         * output.h (Output_segment::update_flags_for_output_section): New
5912         function.
5913         * output.cc (Output_segment::add_output_section): Call
5914         update_flags_for_output_section.
5915
5916 2010-01-05  Ian Lance Taylor  <iant@google.com>
5917
5918         PR 10980
5919         * options.h (class General_options): Add --undefined-version.
5920         * script.cc (struct Version_expression): Add was_matched_by_symbol
5921         field.
5922         (Version_script_info::matched_symbol): New function.
5923         (Version_script_info::get_symbol_version_helper): Call
5924         matched_symbol.
5925         (Version_script_info::check_unmatched_names): New function.
5926         * script.h (class Version_script_info): Update declarations.
5927         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
5928
5929         * options.h (class General_options): Use DEFINE_bool_alias for
5930         allow_multiple_definition.
5931         * resolve.cc (Symbol_table::should_override): Don't test
5932         allow_multiple_definition.
5933
5934         PR 10980
5935         * options.h (class General_options): Add --cref.
5936         * main.cc (main): Print cref table if --cref.  Don't close mapfile
5937         until after printing cref table.
5938         * cref.cc: Include "symtab.h".
5939         (class Cref_inputs): Define Cref_table_compare and Cref_table.
5940         (Cref_table_compare::operator()): New function.
5941         (Cref_inputs::gather_cref): New function.
5942         (filecol): New static const.
5943         (Cref_inputs::print_cref): New function.
5944         (Cref::print_cref): New function.
5945         * cref.h: Include <cstdio>.
5946         (class Cref): Update declarations.
5947         * mapfile.h (Mapfile::file): New function.
5948         * object.h (class Object): Define Symbols.  Declare virtual
5949         do_get_global_symbols.
5950         (Object::get_global_symbols): New function.
5951         * object.cc (Input_objects::add_object): Pass object to cref_ if
5952         --cref.
5953         (Input_objects::archive_start): Likewise.
5954         (Input_objects::archive_stop): Likewise.
5955         (Input_objects::print_cref): New function.
5956         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
5957         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
5958         --cref.
5959         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
5960         function.
5961         * plugin.h (class Sized_pluginobj): Update declarations.
5962
5963 2010-01-05  Ian Lance Taylor  <iant@google.com>
5964
5965         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
5966         to is_default_version.  Rename insdef to insdefault.
5967         (Symbol_table::add_from_relobj): Rename def to is_default_version
5968         and local to is_forced_local.
5969         (Symbol_table::add_from_pluginobj): Likewise.
5970         (Symbol_table::add_from_dynobj): Likewise.
5971         (Symbol_table::define_special_symbol): Rename insdef to
5972         insdefault.
5973
5974 2010-01-04  Ian Lance Taylor  <iant@google.com>
5975
5976         PR 10980
5977         * options.h (class General_options): Add
5978         --allow-multiple-definition and -z muldefs.
5979         * resolve.cc (Symbol_table::should_override): Don't warn about a
5980         multiple symbol definition if --allow-multiple-definition or -z
5981         muldefs.
5982
5983         PR 10980
5984         * options.h (class General_options): Add --add-needed and
5985         --copy-dt-needed-entries.  Tweak --as-needed help entry.
5986         * object.cc (Input_objects::check_dynamic_dependencies): Give an
5987         error if --copy-dt-needed-entries aka --add-needed is used and
5988         would cause a change in behaviour.
5989
5990         PR 10980
5991         * options.h (class General_options): Add -G as a short version of
5992         --shared.  Add no-op options -assert, -g, and -i.
5993
5994 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
5995
5996         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
5997         check for .text or .gnu.linkonce.t sections.
5998         * icf.cc (Icf::find_identical_sections): Ditto.
5999         Change the detection for mangled function name within the section
6000         name.
6001         * icf.h (is_section_foldable_candidate): New function.
6002
6003 2009-12-30  Ian Lance Taylor  <iant@google.com>
6004
6005         PR 10980
6006         * options.h (class General_options): Permit two dashes with
6007         --retain-symbols-file.
6008
6009 2009-12-30  Ian Lance Taylor  <iant@google.com>
6010
6011         PR 10979
6012         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6013         don't put the file header and segment headers in the text
6014         segment.
6015
6016         PR 10979
6017         * common.cc (Sort_commons::operator()): Stabilize sort when both
6018         entries are NULL.
6019         (Symbol_table::do_allocate_commons_list): When allocating common
6020         symbols, skip a symbol which is no longer common.
6021         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6022         an object before checking its type.
6023         * testsuite/common_test_2.c: New file.
6024         * testsuite/common_test_3.c: New file.
6025         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6026         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6027         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6028         (common_test_2_pic.o, common_test_2.so): New targets.
6029         (common_test_3_pic.o, common_test_3.so): New targets.
6030         * testsuite/Makefile.in: Rebuild.
6031
6032         PR 10979
6033         * script.cc (read_input_script): If we see a new SECTIONS clause,
6034         and we have added an input section, give an error.
6035         * layout.h (class Layout): Add have_added_input_section function.
6036         Add have_added_input_section_ field.
6037         * layout.cc (Layout::Layout): Initialize
6038         have_added_input_section_.
6039         (Layout::layout): Set have_added_input_section_.
6040         (Layout::layout_eh_frame): Likewise.
6041
6042 2009-12-30  Ian Lance Taylor  <iant@google.com>
6043
6044         PR 10931
6045         * options.h (class General_options): Add --sort-common option.
6046         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6047         * common.cc (Sort_common): Add sort_order parameter to
6048         constructor.  Add sort_order_ field.
6049         (Sort_commons::operator): Check sort_order_.
6050         (Symbol_table::allocate_commons): Determine the sort order.
6051         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6052         Change all callers.
6053         (Symbol_table::do_allocate_commons_list): Likewise.
6054
6055 2009-12-30  Ian Lance Taylor  <iant@google.com>
6056
6057         PR 10916
6058         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6059         symbols from this object, don't change the visibility of an
6060         undefined symbol.
6061         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6062
6063 2009-12-30  Ian Lance Taylor  <iant@google.com>
6064
6065         PR 10861
6066         * script.h (class Version_script_info): Define Language enum.
6067         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6068         new fields globals_, locals_, and is_finalized_.
6069         * script.cc: Various formatting fixes.
6070         (class Parser_closure): Change language_stack_ from a vector of
6071         std::string to one of Version_script_info::Language.  Adjust all
6072         uses accordingly.
6073         (class Lazy_demangler): Remove.
6074         (struct Version_expression): Change language from std::string to
6075         Version_script_info::Language.
6076         (Version_script_info::Version_script_info): New function.
6077         (Version_script_info::~Version_script_info): Don't call clear.
6078         (Version_script_info::finalize): New function.
6079         (Version_script_info::build_lookup_tables): New function.
6080         (Version_script_info::build_expression_list_lookup): New
6081         function.
6082         (Version_script_info::get_symbol_version_helper): Rewrite to use
6083         lookup tables.
6084         (Version_script_info::print_expression_list): Adjust to use
6085         Version_script_info::Language.
6086         (script_push_lex_into_version_mode): Check that the version script
6087         has not been finalized.
6088         (version_script_push_lang): Change language string to
6089         Version_script_info::Language.
6090         * options.cc (Command_line::version_script): New function.
6091         * options.h (class General_options): Add finalize_dynamic_list
6092         function.  Change version_script from declaration to definition.
6093         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6094         * testsuite/version_script.map: Remove duplicate def of foo.
6095         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6096         version_script.map.
6097         * testsuite/Makefile.in: Rebuild.
6098
6099 2009-12-30  Ian Lance Taylor  <iant@google.com>
6100
6101         PR 10843
6102         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6103         if the input symbol index is 0, make the output symbol index 0.
6104
6105 2009-12-30  Ian Lance Taylor  <iant@google.com>
6106
6107         PR 10670
6108         * options.h (class General_options): Add -x/--discard-all.
6109         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6110         --discard-all.  If the local symbol needs a dynamic entry, check
6111         that before handling --discard-locals.
6112
6113 2009-12-30  Ian Lance Taylor  <iant@google.com>
6114
6115         PR 10450
6116         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6117         flags to PF_R.
6118         (Output_segment::add_output_section): Don't change the flags if
6119         the type is PT_TLS.
6120
6121         PR 10450
6122         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6123         GNU hash table if they need a dynamic value.  Otherwise, don't add
6124         them if they are defined in a dynamic object or are forced local.
6125
6126 2009-12-29  Ian Lance Taylor  <iant@google.com>
6127
6128         PR 10450
6129         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6130         .gnu.hash table for a 32-bit target.
6131
6132         PR 10450
6133         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6134         regular and a dynamic object only needs a dynamic symbol table
6135         entry if it is externally visible.
6136
6137         PR 10450
6138         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6139         constructor.  Add global_offset_table_ field.
6140         (Target_i386::got_section): Set global_offset_table_.
6141         (Target_i386::do_finalize_sections): Set global_offset_table_
6142         size.
6143         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6144         in constructor.  Add global_offset_table_ field.
6145         (Target_x86_64::got_section): Set global_offset_table_.
6146         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6147         size.
6148
6149         * layout.cc (Layout::Layout): Initialize increase_relro_.
6150         (Layout::get_output_section): Add is_relro, is_last_relro, and
6151         is_first_non_relro parameters.  Change all callers.
6152         (Layout::choose_output_section): Likewise.
6153         (Layout::add_output_section_data): Likewise.
6154         (Layout::make_output_section): Likewise.
6155         (Layout::set_segment_offsets): Clear increase_relro when using a
6156         linker script.
6157         * layout.h (class Layout): Add increase_relro method.  Add
6158         increase_relro_ field.  Update declarations.
6159         * output.cc (Output_section::Output_section): Initialize
6160         is_last_relro_ and is_first_non_relro_.
6161         (Output_segment::add_output_section): Group relro sections is
6162         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6163         (Output_segment::maximum_alignment): Remove relro handling.
6164         (Output_segment::set_section_addresses): Add increase_relro
6165         parameter.  Change all callers.  Add initial alignment to align
6166         relro sections on separate page.  Remove old relro handling.
6167         (Output_segment::set_section_list_addresses): Remove in_relro
6168         parameter.  Change all callers.
6169         (Output_segment::set_offset): Add increase parameter.  Change all
6170         callers.  Remove old relro handling.
6171         * output.h (class Output_section): Add new methods: is_last_relro,
6172         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6173         Add is_last_relro_ and is_first_non_relro_ fields.
6174         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6175         Create separate .got.plt section.  Call increase_relro.
6176         * x86_64.cc (Target_x86_64::got_section): Likewise.
6177         * testsuite/relro_script_test.t: Add .got.plt.
6178
6179         PR 10450
6180         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6181         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6182         (Layout::finalize): Call set_dynamic_symbol_size.
6183         (Layout::set_dynamic_symbol_size): New function.
6184         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6185         set_dynamic_symbol_size.
6186
6187         PR 10450
6188         * output.h (class Output_section): Add is_entsize_zero_ field.
6189         * output.cc (Output_section::Output_section): Initialize
6190         is_entsize_zero_.
6191         (Output_section::set_entsize): If two different entsizes are
6192         requested, force it to zero.
6193         (Output_section::add_input_section): Set flags for .debug_str
6194         before updating section flags.  Set entsize.
6195         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6196         and SHF_STRING if all input sections have those flags.
6197
6198 2009-12-29   Rafael Espindola  <espindola@google.com>
6199
6200         * main.cc (main): Fix the sys time reporting.
6201         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6202         reporting.
6203
6204 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6205
6206         * options.cc (General_options::parse_version): Allow -v to exit
6207         without an error if there is nothing to link.
6208
6209 2009-12-29  Ian Lance Taylor  <iant@google.com>
6210
6211         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6212         using a version of gcc before 4.1.
6213         * configure: Rebuild.
6214
6215 2009-12-28  Chris Demetriou  <cgd@google.com>
6216
6217         * attributes.cc (Output_attributes_section_data::do_write): Use
6218         std::vector::front rather than std::vector::data.
6219
6220 2009-12-28  Ian Lance Taylor  <iant@google.com>
6221
6222         * symtab.h (class Symbol_table): Add enum Defined.
6223         * resolve.cc (Symbol_table::should_override): Add defined
6224         parameter.  Change all callers.  Test whether object is NULL
6225         before calling a method on it.
6226         (Symbol_table::report_resolve_problem): Add defined parameter.
6227         Change all callers.
6228         (Symbol_table::should_override_with_special): Likewise.
6229         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6230         parameter.  Change all callers.
6231         (Symbol_table::do_define_in_output_data): Likewise.
6232         (Symbol_table::define_in_output_segment): Likewise.
6233         (Symbol_table::do_define_in_output_segment): Likewise.
6234         (Symbol_table::define_as_constant): Likewise.
6235         (Symbol_table::do_define_as_constant): Likewise.
6236         * script.h (class Symbol_assignment): Add is_defsym parameter to
6237         constructor; change all callers.
6238         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6239         parameter.  Change all callers.  Add is_defsym_ field.
6240         (class Parser_closure): Add parsing_defsym parameter to
6241         constructor; change all callers.  Add parsing_defsym accessor
6242         function.  Add parsing_defsym_ field.
6243
6244 2009-12-28  Ian Lance Taylor  <iant@google.com>
6245
6246         * gold.cc (queue_middle_tasks): Fix formatting.
6247         * object.cc (Relobj::is_section_name_included): Likewise.
6248
6249 2009-12-23  Ian Lance Taylor  <iant@google.com>
6250
6251         * i386.cc (Target_i386::do_calls_non_split): Recognize
6252         -fsplit-stack prologue for a function with a static chain.
6253         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6254         -fsplit-stack prologue when using %r11.
6255
6256 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6257
6258         * options.cc (General_options::parse_version): Make -v continue and do
6259         the link like GNU ld does.
6260
6261 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6262
6263         * Makefile.am (CCFILES): Add timer.cc.
6264         (HFILES): Add timer.h.
6265         * configure.ac: Check for sysconf and times.
6266         * main.cc: include timer.h.
6267         (main): Use Timer instead of get_run_time.
6268         * timer.cc: New.
6269         * timer.h: New.
6270         * workqueue.cc: include timer.h.
6271         (Workqueue::find_and_run_task):
6272         Report user, sys and wall time.
6273         * Makefile.in: Regenerate.
6274         * config.in: Regenerate.
6275         * configure: Regenerate.
6276
6277 2009-12-16  Doug Kwan  <dougkwan@google.com>
6278
6279         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6280         sections.
6281         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6282         relaxed input sections.
6283         * output.cc (Output_section::find_relaxed_input_section): Change
6284         return type to Output_relaxed_input_section pointer.  Adjust code
6285         for new type of relaxed_input_section_map_.
6286         * output.h (Output_section::find_relaxed_input_section): Change
6287         return type to Output_relaxed_input_section pointer.
6288         (Output_section::Output_relaxed_input_section_by_input_section_map):
6289         New type.
6290         (Output_section::relaxed_input_section_map_): Change type to
6291         Output_section::Output_relaxed_input_section_by_input_section_map.
6292         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6293         input section.
6294
6295 2009-12-15  Ian Lance Taylor  <iant@google.com>
6296
6297         * layout.cc (Layout::create_shstrtab): Only write out after input
6298         sections if we are compressing debug sections.
6299
6300 2009-12-15  Ian Lance Taylor  <iant@google.com>
6301
6302         * archive.cc (Archive::add_symbols): Only look up a symbol without
6303         a version if there is, in fact, a version.
6304
6305 2009-12-14  Ian Lance Taylor  <iant@google.com>
6306
6307         Revert -Wshadow changes, all changes from:
6308         2009-12-11  Doug Kwan  <dougkwan@google.com>
6309         2009-12-11  Nick Clifton  <nickc@redhat.com>
6310         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6311
6312 2009-12-11  Doug Kwan  <dougkwan@google.com>
6313
6314         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6315         due to -Wshadow.
6316         * attributes.cc (Object_attribute::size): Ditto.
6317         (Attributes_section_data::size): Ditto.
6318         (Attributes_section_data::Attributes_section_data): Ditto.
6319         (Output_attributes_section_data::do_write): Ditto.
6320         * attributes.h (Object_attribute::set_type): Ditto.
6321         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6322
6323 2009-12-11  Nick Clifton  <nickc@redhat.com>
6324
6325         * archive.cc: Fix shadowed variable warnings.
6326         * arm.cc: Likewise.
6327         * compressed_output.cc: Likewise.
6328         * compressed_output.h: Likewise.
6329         * configure: Likewise.
6330         * dwarf_reader.cc: Likewise.
6331         * dynobj.cc: Likewise.
6332         * dynobj.h: Likewise.
6333         * ehframe.cc: Likewise.
6334         * ehframe.h: Likewise.
6335         * errors.cc: Likewise.
6336         * expression.cc: Likewise.
6337         * fileread.cc: Likewise.
6338         * fileread.h: Likewise.
6339         * freebsd.h: Likewise.
6340         * i386.cc: Likewise.
6341         * icf.cc: Likewise.
6342         * incremental.h: Likewise.
6343         * layout.cc: Likewise.
6344         * layout.h: Likewise.
6345         * mapfile.cc: Likewise.
6346         * merge.cc: Likewise.
6347         * merge.h: Likewise.
6348         * object.cc: Likewise.
6349         * object.h: Likewise.
6350         * options.h: Likewise.
6351         * output.cc: Likewise.
6352         * output.h: Likewise.
6353         * parameters.cc: Likewise.
6354         * plugin.cc: Likewise.
6355         * powerpc.cc: Likewise.
6356         * reduced_debug_output.cc: Likewise.
6357         * reduced_debug_output.h: Likewise.
6358         * reloc.cc: Likewise.
6359         * reloc.h: Likewise.
6360         * resolve.cc: Likewise.
6361         * script-sections.cc: Likewise.
6362         * script.cc: Likewise.
6363         * script.h: Likewise.
6364         * sparc.cc: Likewise.
6365         * symtab.cc: Likewise.
6366         * symtab.h: Likewise.
6367         * target-select.cc: Likewise.
6368         * target-select.h: Likewise.
6369         * token.h: Likewise.
6370         * workqueue.cc: Likewise.
6371         * workqueue.h: Likewise.
6372         * x86_64.cc: Likewise.
6373
6374 2009-12-10  Doug Kwan  <dougkwan@google.com>
6375
6376         * arm.cc (attributes.h): New include.
6377         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6378         (Arm_relobj::~Arm_relobj): Delete object pointed by
6379         attributes_section_data_.
6380         (Arm_relobj::attributes_section_data): New method definition.
6381         (Arm_relobj::attributes_section_data_): New data member declaration.
6382         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6383         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6384         attributes_section_data_.
6385         (Arm_dynobj::attributes_section_data): New method definition.
6386         (Arm_dynobj::attributes_section_data_): New data member declaration.
6387         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6388         initialization value of may_use_blx_ to false.
6389         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6390         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6391         object attributes to compute results instead of hard-coding.
6392         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6393         Target_arm::get_secondary_compatible_arch,
6394         Target_arm::set_secondary_compatible_arch
6395         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6396         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6397         New method declarations.
6398         (Target_arm::get_aeabi_object_attribute): New method definition.
6399         (Target_arm::attributes_section_data_): New data member declaration.
6400         (read_arm_attributes_section): New template definition.
6401         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6402         (Arm_dynobj::do_read_symbols): Ditto.
6403         (Target_arm::do_finalize_sections): Merge attributes sections from
6404         input.  Check for BLX use after attributes section merging.
6405         Fix __exidx_start and __exidx_end visibility.  Create an
6406         .ARM.attributes section if necessary.
6407         (Target_arm::get_secondary_compatible_arch,
6408         Target_arm::set_secondary_compatible_arch,
6409         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6410         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6411         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6412         New method definitions.
6413
6414 2009-12-09  Ian Lance Taylor  <iant@google.com>
6415
6416         * plugin.cc (Plugin::load): Don't cast from void* to a function
6417         pointer.
6418
6419 2009-12-09  Ian Lance Taylor  <iant@google.com>
6420
6421         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6422         information fields.
6423
6424 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6425
6426         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6427         Replace two_file_shared_1.so with two_file_shared_2.so.
6428         * testsuite/Makefile.in: Regenerated.
6429
6430 2009-12-08  Doug Kwan  <dougkwan@google.com>
6431
6432         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6433         (HFILES): Add attributes.h and int_encoding.h.
6434         * Makefile.in: Regenerate.
6435         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6436         function definitions to int_encoding.cc
6437         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6438         prototypes to int_encoding.h
6439         * reduced_debug_output.cc (int_encoding.h): New include.
6440         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6441         function definitions to int_encoding.cc
6442         (insert_into_vector, read_from_pointer): Move template definitions to
6443         int_encoding.h
6444         * attributes.cc: New file.
6445         * attributes.h: New file.
6446         * int_encoding.cc: New file.
6447         * int_encoding.h: New file.
6448
6449 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6450
6451         PR gold/11055
6452         * incremental-dump.cc (dump_incremental_inputs): New.
6453         (main): Use dump_incremental_inputs.
6454
6455 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6456
6457         PR gold/10893
6458         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6459         checking elfcpp::STT_FUNC.
6460         (Target_i386::Relocate::relocate): Likewise.
6461         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6462
6463         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6464         symbols from shared libraries into normal FUNC symbols.
6465
6466         * symtab.h (Symbol): Add is_func and use it.
6467
6468 2009-12-05  Doug Kwan  <dougkwan@google.com>
6469
6470         * arm.cc (Target_arm::arm_info): Initialize new fields
6471         attributes_section and attributes_vendor.
6472         * i386.cc (Target_i386::i386_info): Same.
6473         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6474         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6475         fields attributes_section and attributes_vendor.
6476         * sparc.cc (Target_sparc::sparc_info): Same.
6477         * target.h (Target::attributes_section, Target::attributes_vendor,
6478         Target::is_attributes_section, Target::attribute_arg_type,
6479         Target::attributes_order): New method definitions.
6480         (Target::Target_info::attributes_section,
6481         Target::Target_info::attributes_vendor): New fields.
6482         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6483         virtual method definitions.
6484         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6485         attributes_section and attributes_vendor.
6486         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6487
6488 2009-12-05  Doug Kwan  <dougkwan@google.com>
6489
6490         * arm.cc: Update comments about interworking and stub generation.
6491         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6492         considered as non-PIC.
6493         (Arm_relocate_functions::base_abs): Fix formatting.
6494         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6495         of function to use GOT entry address instead of offset.
6496         (Target_arm::Scan::global): Issue an error if a symbol would need a
6497         PLT does not get one because it is untyped.  Remove code to create
6498         dynamic symbols for relative branches.
6499         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6500         takes unsigned integer instead of boolean.
6501
6502 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
6503
6504         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6505         (two_file_test_LDADD): Likewise.
6506         (common_test_1_LDADD): Likewise.
6507         (exception_test_LDADD) Likewise.
6508         (weak_test_LDADD): Likewise.
6509         (many_sections_test_LDADD): Likewise.
6510         (initpri1_LDADD): Likewise.
6511         (script_test_1_LDADD): Likewise.
6512         (script_test_2_LDADD): Likewise.
6513         (justsyms_LDADD): Likewise.
6514         (binary_test_LDADD): Likewise.
6515         (large_LDADD): Likewise.
6516         * testsuite/Makefile.in: Regenerated.
6517
6518 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
6519
6520         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6521         (Symbol_table::override_with_special): Likewise.
6522         (Symbol_table::add_from_object): Likewise.
6523
6524 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6525
6526         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6527         Don't set the data_offset twice.
6528
6529 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6530
6531         * testsuite/Makefile.in: Regenerate.
6532
6533 2009-12-03  Doug Kwan  <dougkwan@google.com>
6534
6535         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6536         (Target_arm::do_finalize_sections): Add parameter for symbol table
6537         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6538         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6539         parameter for symbol table pointer.
6540         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6541         an additional parameter for a pointer to symbol table.
6542         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6543         parameter for a symbol table pointer.
6544         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6545         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6546         Ditto.
6547         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6548         parameter for a symbol table pointer.
6549
6550 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
6551
6552         * incremental.cc (Incremental_inputs_header)
6553         (Incremental_inputs_header_write, Incremental_inputs_entry)
6554         (Incremental_inputs_entry_write): Move ...
6555         * incremental.h (Incremental_inputs_header)
6556         (Incremental_inputs_header_write, Incremental_inputs_entry)
6557         (Incremental_inputs_entry_write): here.
6558
6559 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6560
6561         * incremental.cc (make_sized_incremental_binary): Set the target.
6562         Error if it is incompatible.
6563         * output.h (Output_file): Add filename method.
6564
6565 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6566
6567         * incremental.cc (Incremental_inputs_entry): Remove unused argument
6568         from the get_* methods.
6569
6570 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6571
6572         * incremental-dump.cc (main): Check that the offeset of a script is 0.
6573         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6574         Write 0 for the data_offset of scripts.
6575
6576 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6577
6578         * testsuite/Makefile.am: Add the incremental_test.sh test.
6579         * testsuite/incremental_test.sh: New.
6580         * testsuite/incremental_test_1.c: New.
6581         * testsuite/incremental_test_2.c: New.
6582
6583 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
6584
6585        * incremental-dump.cc (main): Fix typos.
6586
6587 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
6588
6589         PR gold/11025
6590         * incremental-dump.cc (main): Use llu to print 64 bit values.
6591
6592 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
6593             H.J. Lu  <hongjiu.lu@intel.com>
6594
6595         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6596         $(LIBDL).
6597         (incremental_dump_LDADD): Likewise.
6598         * Makefile.in: Regenerated.
6599
6600 2009-11-25  Doug Kwan  <dougkwan@google.com>
6601
6602         Revert:
6603
6604         2009-11-25  Doug Kwan  <dougkwan@google.com>
6605
6606                 * arm.cc (Target_arm::Target_arm): Move method definition
6607                 outside of class definition.  Add code to handle
6608                 --target1-rel, --target1-abs and --target2= options.
6609                 (Target_arm::get_reloc_reloc_type): Change method to be
6610                 non-static and const.
6611                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6612                 New data member declaration.
6613                 (Target_arm::Scan::local, Target_arm::Scan::global,
6614                 Target_arm::Relocate::relocate,
6615                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6616                 Adjust call to Target_arm::get_real_reloc_type.
6617                 (Target_arm::get_real_reloc_type): Use command line options
6618                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6619                 * options.h (--target1-rel, --target1-abs, --target2): New
6620                 ARM-only options.
6621
6622 2009-11-25  Doug Kwan  <dougkwan@google.com>
6623
6624         * arm.cc (Target_arm::Target_arm): Move method definition outside of
6625         class definition.  Add code to handle --target1-rel, --target1-abs
6626         and --target2= options.
6627         (Target_arm::get_reloc_reloc_type): Change method to be non-static
6628         and const.
6629         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
6630         member declaration.
6631         (Target_arm::Scan::local, Target_arm::Scan::global,
6632         Target_arm::Relocate::relocate,
6633         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
6634         call to Target_arm::get_real_reloc_type.
6635         (Target_arm::get_real_reloc_type): Use command line options to
6636         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6637         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
6638         options.
6639
6640 2009-11-25  Doug Kwan  <dougkwan@google.com>
6641
6642         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
6643         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
6644         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
6645         formatting.
6646         (Arm_relocate_functions::thm_call): Replace body with a call to
6647         Arm_relocate_functions::thumb_branch_common.
6648         (Arm_relocate_functions::thm_jump24,
6649         Arm_relocate_functions::thm_xpc22): New method definitions.
6650         (Arm_relocate_functions::thumb_branch_common): New method definition.
6651         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
6652         operator.
6653         (Target_arm::Relocate::relocate): Adjust call to thm_call.
6654         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
6655
6656 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6657
6658         * Makefile.am: Build incremental-dump
6659         * Makefile.in: Regenerate.
6660         * incremental-dump.cc: New.
6661         * incremental.cc (Incremental_inputs_header_data,
6662         Incremental_inputs_entry_data): Move to incremental.h
6663         * incremental.h: (Incremental_inputs_header_data,
6664         Incremental_inputs_entry_data): Move from incremental.cc
6665
6666 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6667
6668         * incremental.cc (Incremental_inputs_header,
6669         Incremental_inputs_header_write, Incremental_inputs_entry,
6670         Incremental_inputs_entry_write): Add a typedef with the data type.
6671
6672 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6673
6674         * incremental.cc (Incremental_inputs_header,
6675         Incremental_inputs_header_write, Incremental_inputs_entry,
6676         Incremental_inputs_entry_write): Update comment about which
6677         type has the filed descriptions.
6678
6679 2009-11-15  Doug Kwan  <dougkwan@google.com>
6680
6681         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
6682         (Arm_relocate_functions::arm_branch_common): Change method defintion
6683         in class definition to a method declaration and update list of formal
6684         parameters.
6685         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
6686         Arm_relocation_functions::jump24): Adjust call to
6687         Arm_relocate_functions::arm_branch_common.  Update list of formal
6688         parameters.
6689         (Arm_relocate_functions::xpc25): New method definition.
6690         (Arm_relocate_functions::arm_branch_common): Move method defintion
6691         out from class definition.  Use stubs for mode-switching and extending
6692         branch ranges.
6693         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
6694         specially.  Change code to enable use of stubs in ARM branches.
6695
6696 2009-11-10  Doug Kwan  <dougkwan@google.com>
6697
6698         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
6699         in method declaration.
6700         (Target_arm::relocate_stub): New method declaration.
6701         (Target_arm::default_target): Change to return a pointer instead of
6702         a const reference.
6703         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
6704         Target_arm::default_target.
6705         (Arm_Relobj::do_relocate_sections): Remove options paramater in
6706         method definition.
6707         (Target_arm::relocate_section): Adjust view.
6708         (Target_arm::relocate_stub): New method definition.
6709
6710 2009-11-10  Doug Kwan  <dougkwan@google.com>
6711
6712         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
6713         a format warning.
6714         * incremental.cc (open_incremental_binary): Initialized local
6715         variables to avoid warnings.
6716         * object.cc (make_elf_object): Ditto.
6717         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
6718         a format warning.
6719
6720 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
6721
6722         PR gold/10930
6723         * testsuite/plugin_test.c: Include "config.h".
6724
6725 2009-11-09  Doug Kwan  <dougkwan@google.com>
6726
6727         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
6728         (arm_symbol_value): Remove.
6729         (Arm_relocate_functions::arm_branch_common,
6730         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
6731         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
6732         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
6733         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
6734         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
6735         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
6736         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
6737         Arm_relocate_functions::thm_mobw_abs_nc,
6738         Arm_relocate_functions::thm_mov_abs,
6739         Arm_relocate_functions::movw_prel_nc,
6740         Arm_relocate_functions::thm_movt_abs,
6741         Arm_relocate_functions::movt_prel,
6742         Arm_relocate_functions::thm_movw_prel_nc,
6743         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
6744         (Target_arm::Relocate::relocate): Only decompose address into two
6745         parts if relocation type uses the thumb-bit and pass the actual
6746         bit instead of a flag indicating that the thumb-bit is used.  Adjust
6747         calls to methods in Arm_relocate_functions for this change.
6748
6749 2009-11-08  Ian Lance Taylor  <iant@google.com>
6750
6751         PR 10925
6752         * reloc.cc: Instantiate
6753         Sized_relobj::initialize_input_to_output_maps and
6754         Sized_relobj:free_input_to_output_maps.
6755
6756 2009-11-06  Ian Lance Taylor  <iant@google.com>
6757
6758         PR 10876
6759         * defstd.cc (in_segment): Set only_if_ref true for "end".
6760
6761 2009-11-06  Doug Kwan  <dougkwan@google.com>
6762
6763         * arm.cc (class Reloc_stub): Correct a comment.
6764         (Target_arm::Target_arm): Initialize arm_input_section_map_.
6765         (Target_arm::scan_section_for_stubs): New method declaration.
6766         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
6767         Change methods from private to protected.
6768         (Target_arm::do_may_relax): New method definition.
6769         (Target_arm::do_relax, Target_arm::group_sections,
6770         Target_arm::scan_reloc_for_stub,
6771         Target_arm::scan_reloc_section_for_stubs): New method declarations.
6772         (Target_arm::arm_input_section_map_): New data member declaration.
6773         (Target_arm::scan_reloc_for_stub,
6774         Target_arm::scan_reloc_section_for_stubs,
6775         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
6776         Target_arm::do_relax): New method definitions.
6777
6778 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
6779
6780         * configure.ac: Check for (struct stat)::st_mtim
6781         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
6782         * config.in: Regenerate.
6783         * configure: Regenerate.
6784
6785 2009-11-05  Ian Lance Taylor  <iant@google.com>
6786
6787         PR 10910
6788         * output.cc (Output_segment::add_output_section): Add missing
6789         return statement.
6790
6791 2009-11-04  Ian Lance Taylor  <iant@google.com>
6792
6793         PR 10880
6794         * object.h (class Object): Add is_needed and set_is_needed
6795         methods.  Add is_needed_ field.  Make bool fields into bitfields.
6796         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
6797         defined in a dynamic object and referenced by a regular object,
6798         set is_needed for the dynamic object.
6799         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
6800         if the file is marked with as_needed and it is not needed.
6801
6802 2009-11-04  Ian Lance Taylor  <iant@google.com>
6803
6804         PR 10887
6805         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
6806         tags if data is discarded by linker script.
6807         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6808         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6809         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6810         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6811
6812 2009-11-04  Ian Lance Taylor  <iant@google.com>
6813
6814         * layout.cc (Layout::get_output_section): Add is_interp and
6815         is_dynamic_linker_section parameters.  Change all callers.
6816         (Layout::choose_output_section): Likewise.
6817         (Layout::make_output_section): Likewise.
6818         (Layout::add_output_section_data): Add is_dynamic_linker_section
6819         parameter.  Change all callers.
6820         * layout.h (class Layout): Update declarations.
6821         * output.h (class Output_section): Add is_interp, set_is_interp,
6822         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
6823         Add is_interp_, is_dynamic_linker_section_ fields.  Change
6824         generate_code_fills_at_write_ to a bitfield.
6825         * output.cc (Output_section::Output_sections): Initialize new
6826         fields.
6827         (Output_segment::add_output_section): Add do_sort parameter.
6828         Change all callers.
6829
6830 2009-11-03  Ian Lance Taylor  <iant@google.com>
6831
6832         PR 10860
6833         * options.h (class General_options): Add --warn-common.
6834         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
6835         merging two common symbols.
6836         (Symbol_table::should_override): Handle --warn-common when merging
6837         a common symbol with a defined symbol.  Use report_resolve_problem
6838         for multiple definitions.
6839         (Symbol_table::report_resolve_problem): New function.
6840         * symtab.h (class Symbol_table): Declare report_resolve_problem.
6841
6842 2009-11-03  Doug Kwan  <dougkwan@google.com>
6843
6844         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
6845         stub_factory_.
6846         (Target_arm::stub_factory): New method definition.
6847         (Target_arm::new_arm_input_section,
6848         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
6849         Target_arm::reloc_uses_thumb_bit): New method declarations.
6850         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
6851         New type definitions.
6852         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
6853         member declarations.
6854         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
6855         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
6856         New method definitions.
6857
6858 2009-11-03  Ian Lance Taylor  <iant@google.com>
6859
6860         * options.h (class General_options): Add --warn_constructors.
6861
6862 2009-11-03  Ian Lance Taylor  <iant@google.com>
6863
6864         PR 10893
6865         * defstd.cc (in_section): Add entries for __rel_iplt_start,
6866         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
6867
6868 2009-11-03  Ian Lance Taylor  <iant@google.com>
6869
6870         PR 10895
6871         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
6872         --msgid-bugs-address.
6873         (install-pdf): New target.
6874         (install-data_yes): Look up one directory to find mkinstalldirs.
6875
6876 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
6877
6878         * po/Make-in (.po.gmo): Don't generate .gmo files in source
6879         tree.
6880
6881 2009-10-30  Doug Kwan  <dougkwan@google.com>
6882
6883         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
6884
6885 2009-10-30  Doug Kwan  <dougkwan@google.com>
6886
6887         * arm.cc (Stub_addend_reader): New struct template definition
6888         and partial specializations.
6889         (Stub_addend_reader::operator()): New method definition for a
6890         partially specialized template.
6891
6892 2009-10-30  Doug Kwan  <dougkwan@google.com>
6893
6894         * arm.cc (Arm_relobj::processor_specific_flags): New method
6895         definition.
6896         (Arm_relobj::do_read_symbols): New method declaration.
6897         (Arm_relobj::processor_specific_flags_): New data member declaration.
6898         (Arm_dynobj): New class definition.
6899         (Target_arm::do_finalize_sections): Add input_objects parameter.
6900         (Target_arm::do_adjust_elf_header): New method declaration.
6901         (Target_arm::are_eabi_versions_compatible,
6902         (Target_arm::merge_processor_specific_flags): New method declaration.
6903         (Target_arm::do_make_elf_object): New overloaded method definitions
6904         and declaration.
6905         (Arm_relobj::do_read_symbols): New method definition.
6906         (Arm_dynobj::do_read_symbols): Ditto.
6907         (Target_arm::do_finalize_sections): Add input_objects parameters.
6908         Merge processor-specific flags from all input objects.
6909         (Target_arm::are_eabi_versions_compatible,
6910         Target_arm::merge_processor_specific_flags,
6911         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
6912         New method definitions.
6913         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
6914         Input_objects pointer type parameter.
6915         * layout.cc (Layout::finalize): Pass input objects to target's.
6916         finalize_sections function.
6917         * output.cc (Output_file_header::do_sized_write): Set ELF file
6918         header's processor-specific flags.
6919         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
6920         Input_objects pointer type parameter.
6921         * sparc.cc (Target_sparc::do_finalize_sections): Same.
6922         * target.h (Input_objects): New forward class declaration.
6923         (Target::processor_specific_flags,
6924         Target::are_processor_specific_flags_sect): New method definitions.
6925         (Target::finalize_sections): Add input_objects parameter.
6926         (Target::Target): Initialize processor_specific_flags_ and
6927         are_processor_specific_flags_set_.
6928         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
6929         parameter.
6930         (Target::set_processor_specific_flags): New method definition.
6931         (Target::processor_specific_flags_,
6932         Target::are_processor_specific_flags_set_): New data member
6933         declarations.
6934         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
6935         Input_objects pointer type parameter.
6936
6937 2009-10-30  Doug Kwan  <dougkwan@google.com>
6938
6939         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
6940
6941 2009-10-28  Ian Lance Taylor  <iant@google.com>
6942
6943         * object.h (class Relobj): Drop options parameter from
6944         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
6945         do_scan_relocs, do_relocate.  Change all callers.
6946         (class Sized_relobj): Drop options parameters from
6947         do_gc_process_relocs, do_scan_relocs, do_relocate,
6948         do_relocate_sections, relocate_sections, emit_relocs_scan,
6949         emit_relocs_scan_reltype.  Change all callers.
6950         (struct Relocate_info): Remove options field and all references to
6951         it.
6952         * reloc.h (class Read_relocs): Remove options constructor
6953         parameter and options_ field.  Change all callers.
6954         (class Gc_process_relocs, class Scan_relocs): Likewise.
6955         (class Relocate_task): Likewise.
6956         * target-reloc.h (scan_relocs): Remove options parameter.  Change
6957         all callers.
6958         (scan_relocatable_relocs): Likewise.
6959         * target.h (class Sized_target): Remove options parameter from
6960         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
6961         all callers.
6962         * gc.h (gc_process_relocs): Remove options parameter.  Change all
6963         callers.
6964         * arm.cc: Update functions to remove options parameters.
6965         * i386.cc: Likewise.
6966         * powerpc.cc: Likewise.
6967         * sparc.cc: Likewise.
6968         * x86_64.cc: Likewise.
6969         * testsuite/testfile.cc: Likewise.
6970
6971 2009-10-28  Doug Kwan  <dougkwan@google.com>
6972
6973         * arm.cc (Arm_relobj): New class definition.
6974         (Arm_relobj::scan_sections_for_stubs,
6975         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
6976         New method definitions.
6977
6978 2009-10-28  Cary Coutant  <ccoutant@google.com>
6979
6980         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
6981         (Plugin::cleanup_done_): New member.
6982         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
6983         (Plugin_manager::cleanup_done_): Remove.
6984         (Plugin_manager::add_input_file): Edit error message.
6985         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
6986         (Plugin_manager::cleanup): Remove use of cleanup_done_.
6987
6988 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
6989
6990         * fileread.cc: (File_read::View::~View): Use the new
6991         data_ownership_ filed.
6992         (File_read::~File_read): Dispose the new whole_file_view_.
6993         (File_read::open): Mmap the whole file if needed.
6994         (File_read::open): Use whole_file_view_ instead of contents_.
6995         (File_read::find_view): Use whole_file_view_ if applicable.
6996         (File_read::do_read): Use whole_file_view_ instead of contents_.
6997         (File_read::make_view): Use whole_file_view_ instead of contents_,
6998         update File_read::View::View call.
6999         (File_read::find_or_make_view): Update File_read::View::View
7000         call.
7001         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7002         remove contents_
7003         (File_read::View::Data_ownership): New enum.
7004         (File_read::View::View): Replace bool mapped_ with Data_ownership
7005         argument.
7006         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7007         (File_read::View::data_ownership_): New field.
7008         (File_read::contents_): Remove (replaced by whole_file_view_).
7009         (File_read::whole_file_view_): New field.
7010         * options.h (class General_options): Add --keep-files-mapped.
7011
7012 2009-10-27  Cary Coutant  <ccoutant@google.com>
7013
7014         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7015         * testsuite/Makefile.am (plugin_test_5): New test case.
7016         * testsuite/Makefile.in: Regenerate.
7017
7018 2009-10-25  Doug Kwan  <dougkwan@google.com>
7019
7020         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7021         from private to protected to allow access by child class.
7022         (Sized_relobj::do_relocate_sections): New method declaration.
7023         (Sized_relobj::relocate_sections): Virtualize.
7024         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7025         Sized_relobj::relocate_sections.  Instantiate template explicitly
7026         for different target sizes and endianity.
7027
7028 2009-10-24  Doug Kwan  <dougkwan@google.com>
7029
7030         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7031         (Arm_input_section::as_arm_input_section): New method.
7032         (Arm_output_section): New class definition.
7033         (Arm_output_section::create_stub_group,
7034         Arm_output_section::group_sections): New method definitions.
7035
7036 2009-10-22  Doug Kwan  <dougkwan@google.com>
7037
7038         * arm.cc (Arm_input_section): New class definition.
7039         (Arm_input_section::init, Arm_input_section:do_write,
7040         Arm_input_section::set_final_data_size,
7041         Arm_input_section::do_reset_address_and_file_offset): New method
7042         definitions.
7043
7044 2009-10-21  Doug Kwan  <dougkwan@google.com>
7045
7046         * arm.cc (Stub_table, Arm_input_section): New forward class
7047         declarations.
7048         (Stub_table): New class defintion.
7049         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7050         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7051         New method definition.
7052
7053 2009-10-21  Doug Kwan  <dougkwan@google.com>
7054
7055         * arm.cc: Update copyright comments.
7056         (Target_arm): New forward class template declaration.
7057         (Arm_address): New type.
7058         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7059         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7060         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7061         constants.
7062         (Insn_template): Same.
7063         (DEF_STUBS): New macro.
7064         (Stub_type): New enum type.
7065         (Stub_template): New class definition.
7066         (Stub): Same.
7067         (Reloc_stub): Same.
7068         (Stub_factory): Same.
7069         (Target_arm::Target_arm): Initialize may_use_blx_ and
7070         should_force_pic_veneer_.
7071         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7072         Target_arm::should_force_pic_veneer,
7073         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7074         Target_arm::using_thumb_only, Target_arm:;default_target): New
7075         method defintions.
7076         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7077         New data member declarations.
7078         (Insn_template::size, Insn_template::alignment): New method defintions.
7079         (Stub_template::Stub_template): New method definition.
7080         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7081         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7082         (Stub_factory::Stub_factory): New method definition.
7083         * gold.h (string_hash): New template.
7084         * output.h (Input_section_specifier::hash_value): Use
7085         gold::string_hash.
7086         (Input_section_specifier::string_hash): Remove.
7087         * stringpool.cc (Stringpool_template::string_hash): Use
7088         gold::string_hash.
7089
7090 2009-10-20  Doug Kwan  <dougkwan@google.com>
7091
7092         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7093         symbols of relaxed input sections.
7094         * output.h (Output_section::find_relaxed_input_section): Make
7095         method public.
7096
7097 2009-10-16  Doug Kwan  <dougkwan@google.com>
7098
7099         * dynobj.cc (Versions::Versions): Initialize version_script_.
7100         Only insert base version symbol definition for a shared object
7101         if version script defines any version versions.
7102         (Versions::define_base_version): New method definition.
7103         (Versions::add_def): Check that base version is not needed.
7104         (Versions::add_need): Define base version lazily.
7105         * dynobj.h (Versions::define_base_version): New method declaration.
7106         (Versions::needs_base_version_): New data member declaration.
7107         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7108         (check_DATA): Add no_version_test.stdout.
7109         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7110         New make rules.
7111         * testsuite/Makefile.in: Regenerate.
7112         * testsuite/no_version_test.c: New file.
7113         * testsuite/no_version_test.sh: Ditto.
7114
7115 2009-10-16  Doug Kwan  <dougkwan@google.com>
7116
7117         * expression.cc (class Segment_start_expression): New class definition.
7118         (Segment_start_expression::value): New method definition.
7119         (script_exp_function_segment_start): Return a new
7120         Segment_start_expression.
7121         * gold/script-c.h (script_saw_segment_start_expression): New function
7122         prototype.
7123         * script-sections.cc (Script_sections::Script_sections): Initialize
7124         SAW_SEGMENT_START_EXPRESSION_ to false.
7125         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7126         and -Tbbs options to specify section addresses if given in
7127         command line and no SEGMENT_START expression is seen in a script.
7128         * script-sections.h (Script_sections::saw_segment_start_expression,
7129         Script_sections::set_saw_segment_start_expression): New method
7130         definition.
7131         (Script_sections::saw_segment_start_expression_): New data member
7132         declaration.
7133         * script.cc (script_saw_segment_start_expression): New function.
7134         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7135         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7136         script_test_7.sh and script_test_8.sh.
7137         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7138         script_test_8.stdout.
7139         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7140         (script_test_6, script_test_6.stdout, script_test_7,
7141         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7142         * Makefile.in: Regenerate.
7143         * testsuite/script_test_6.sh: New file.
7144         * testsuite/script_test_6.t: Same.
7145         * testsuite/script_test_7.sh: Same.
7146         * testsuite/script_test_7.t: Same.
7147         * testsuite/script_test_8.sh: Same.
7148
7149 2009-10-16  Doug Kwan  <dougkwan@google.com>
7150
7151         * output.cc (Output_segment::set_section_list_address): Cast
7152         expressions to unsigned long long type to avoid format warnings.
7153
7154 2009-10-15  Ian Lance Taylor  <iant@google.com>
7155
7156         * script.cc (Script_options::add_symbol_assignment): Always add a
7157         dot assignment to script_sections_.
7158         * script-sections.cc (Script_sections::add_dot_assignment):
7159         Initialize if necessary.
7160
7161         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7162         program headers with no load segment if there is a linker script.
7163
7164         * layout.cc (Layout::set_segment_offsets): Align the file offset
7165         to the segment aligment for -N or -n with no load segment.
7166         * output.cc (Output_segment::add_output_section): Don't crash if
7167         the first section is a TLS section.
7168         (Output_segment::set_section_list_addresses): Print an error
7169         message if the address moves backward in a linker script.
7170         * script-sections.cc
7171         (Output_section_element_input::set_section_addresses): Don't
7172         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7173         (Orphan_output_section::set_section_addresses): Likewise.
7174
7175 2009-10-15  Doug Kwan  <dougkwan@google.com>
7176
7177         * layout.cc (Layout::finish_dynamic_section): Generate tags
7178         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7179         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7180         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7181
7182 2009-10-14  Ian Lance Taylor  <iant@google.com>
7183
7184         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7185         fields.
7186         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7187         data_shdr fields of relinfo.
7188         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7189         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7190         R_386_TLS_LDO_32, adjust based on section flags.
7191         (Target_i386::Relocate::fix_up_ldo): Remove.
7192
7193 2009-10-13  Ian Lance Taylor  <iant@google.com>
7194
7195         Add support for -pie.
7196         * options.h (class General_options): Add -pie and
7197         --pic-executable.
7198         (General_options::output_is_position_independent): Test -pie.
7199         (General_options::output_is_executable): Return true if not shared
7200         and not relocatable.
7201         (General_options::output_is_pie): Remove.
7202         * options.cc (General_options::finalize): Reject incompatible uses
7203         of -pie.
7204         * gold.cc (queue_middle_tasks): A -pie link is not static.
7205         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7206         * symtab.cc (Symbol::final_value_is_known): Return false if
7207         output_is_position_independent.
7208         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7209         output_is_position_independent.
7210         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7211         output_is_position_independent.
7212         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7213         output_is_position_independent.
7214         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7215         two_file_pie_test.
7216         (basic_pie_test.o, basic_pie_test): New targets.
7217         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7218         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7219         (two_file_pie_test): New target.
7220         * testsuite/Makefile.in: Rebuild.
7221         * README: Remove note saying that -pie is not supported.
7222
7223 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7224
7225         * options.h (class General_options): Add -init and -fini.
7226         * layout.cc (Layout::finish_dynamic_section): Emit
7227         given init and fini functions.
7228
7229 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7230
7231         * gc.h (gc_process_relocs): Check if icf is enabled using new
7232         function.
7233         * gold.cc (queue_initial_tasks): Likewise.
7234         (queue_middle_tasks): Likewise.
7235         * object.cc (do_layout): Likewise.
7236         * symtab.cc (is_section_folded): Likewise.
7237         * main.cc (main): Likewise.
7238         * reloc.cc (Read_relocs::run): Likewise.
7239         (Sized_relobj::do_scan_relocs): Likewise.
7240         * icf.cc (is_function_ctor_or_dtor): New function.
7241         (Icf::find_identical_sections): Check if function is ctor or dtor when
7242         safe icf is chosen.
7243         * options.h (General_options::icf): Change option to be an enum.
7244         (Icf_status): New enum.
7245         (icf_enabled): New method.
7246         (icf_safe_folding): New method.
7247         (set_icf_status): New method.
7248         (icf_status_): New variable.
7249         * (options.cc) (General_options::finalize): Set icf_status_.
7250         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7251         icf_test and icf_keep_unique_test to use the --icf enum flag.
7252         * testsuite/icf_safe_test.sh: New file.
7253         * testsuite/icf_safe_test.cc: New file.
7254
7255 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7256
7257         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7258         includes to gc.h and icf.h.
7259         * arm.cc: Include gc.h.
7260         * gold.cc: Likewise.
7261         * i386.cc: Likewise.
7262         * powerpc.cc: Likewise.
7263         * sparc.cc: Likewise.
7264         * x86_64.cc: Likewise.
7265         * gc.h: Include icf.h.
7266
7267 2009-10-11  Ian Lance Taylor  <iant@google.com>
7268
7269         * plugin.cc: Include "gold.h" before other header files.
7270
7271 2009-10-10  Chris Demetriou  <cgd@google.com>
7272
7273         * options.h (Input_file_argument::Input_file_type): New enum.
7274         (Input_file_argument::is_lib_): Replace with...
7275         (Input_file_argument::type_): New member.
7276         (Input_file_argument::Input_file_argument): Take Input_file_type
7277         'type' rather than boolean 'is_lib' as second argument.
7278         (Input_file_argument::is_lib): Use type_.
7279         (Input_file_argument::is_searched_file): New function.
7280         (Input_file_argument::may_need_search): Handle is_searched_file.
7281         * options.cc (General_options::parse_library): Support -l:filename.
7282         (General_options::parse_just_symbols): Update for Input_file_argument
7283         changes.
7284         (Command_line::process): Likewise.
7285         * archive.cc (Archive::get_file_and_offset): Likewise.
7286         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7287         * script.cc (read_script_file, script_add_file): Likewise.
7288         * fileread.cc (Input_file::Input_file): Likewise.
7289         (Input_file::will_search_for): Handle is_searched_file.
7290         (Input_file::open): Likewise.
7291         * readsyms.cc (Read_symbols::get_name): Likewise.
7292         * testsuite/Makefile.am (searched_file_test): New test.
7293         * testsuite/Makefile.in: Regenerate.
7294         * testsuite/searched_file_test.cc: New file.
7295         * testsuite/searched_file_test_lib.cc: New file.
7296
7297 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7298             Ian Lance Taylor  <iant@google.com>
7299
7300         * descriptor.cc: Include <cstdio> and "binary-io.h".
7301         (Descriptors::open): Open the files in binary mode always.
7302         * script.cc (Lex::get_token): Treat \r as whitespace.
7303
7304 2009-10-09  Ian Lance Taylor  <iant@google.com>
7305
7306         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7307
7308 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7309             Ian Lance Taylor  <iant@google.com>
7310
7311         * configure.ac: Check for readv function also.
7312         * fileread.cc (readv): Define if not HAVE_READV.
7313         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7314         does not exist.
7315         * config.in: Regenerate.
7316         * configure: Regenerate.
7317
7318 2009-10-09  Doug Kwan  <dougkwan@google.com>
7319
7320         * layout.cc (Layout::make_output_section): Call target hook to make
7321         ordinary output section.
7322         (Layout::finalize): Adjust parameter list of call the
7323         Target::may_relax().
7324         * layout.h (class Layout::section_list): New method.
7325         * merge.h (Output_merge_base::entsize): Change visibility to public.
7326         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7327         New methods.
7328         (Output_merge_string::do_is_string): New method.
7329         * object.cc (Sized_relobj::do_setup): renamed from
7330         Sized_relobj::set_up.
7331         * object.h (Sized_relobj::adjust_shndx,
7332         Sized_relobj::initializ_input_to_output_maps,
7333         Sized_relobj::free_input_to_output_maps): Change visibilities to
7334         protected.
7335         (Sized_relobj::setup): Virtualize.
7336         (Sized_relobj::do_setup): New method declaration.
7337         (Sized_relobj::invalidate_section_offset,
7338         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7339         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7340         * options.cc (parse_int): New function.
7341         * options.h (parse_int): New declaration.
7342         (DEFINE_int): New macro.
7343         (stub_group_size): New option.
7344         * output.cc (Output_section::Output_section): Initialize memebers
7345         merge_section_map_, merge_section_by_properties_map_,
7346         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7347         (Output_section::add_input_section): Handled deferred code-fill
7348         generation and remove an old comment.
7349         (Output_section::add_relaxed_input_section): New method definition.
7350         (Output_section::add_merge_input_section): Use merge section by
7351         properties map to speed to search.  Update merge section maps
7352         as appropriate.
7353         (Output_section::build_relaxation_map): New method definition.
7354         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7355         Same.
7356         (Output_section::relax_input_section): Renamed to
7357         Output_section::convert_input_sections_to_relaxed_sections and change
7358         interface to take a vector of pointers to relaxed sections.
7359         (Output_section::find_merge_section,
7360         Output_section::find_relaxed_input_section): New method definitions.
7361         (Output_section::is_input_address_mapped,
7362         Output_section::output_offset, Output_section::output_address):
7363         Use output section data maps to speed up searching.
7364         (Output_section::find_starting_output_address): Add comments.
7365         (Output_section::do_write,
7366         Output_section::write_to_postprocessing_buffer): Do code-fill
7367         generation as appropriate.
7368         (Output_section::get_input_sections): Invalidate relaxed input section
7369         map.
7370         (Output_section::restore_states): Adjust type of checkpoint .
7371         Invalidate relaxed input section map.
7372         * output.h (Output_merge_base): New class declaration.
7373         (Input_section_specifier): New class defintion.
7374         (class Output_relaxed_input_section) Change base class to
7375         Output_section_data_build.
7376         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7377         base class initializer.
7378         (Output_section::add_relaxed_input_section): New method declaration.
7379         (Output_section::Input_section): Change visibility to protected.
7380         (Output_section::Input_section::relobj,
7381         Output_section::Input_section::shndx): Handle relaxed input sections.
7382         Output_section::input_sections) Change visibility to protected.  Also
7383         define overload to return a non-const pointer.
7384         (Output_section::Merge_section_properties): New class defintion.
7385         (Output_section::Merge_section_by_properties_map,
7386         Output_section::Output_section_data_by_input_section_map,
7387         Output_section::Relaxation_map): New types.
7388         (Output_section::relax_input_section): Rename method to
7389         Output_section::convert_input_sections_to_relaxed_sections and change
7390         interface to take a vector of relaxed section pointers.
7391         (Output_section::find_merge_section,
7392         Output_section::find_relaxed_input_section,
7393         Output_section::build_relaxation_map,
7394         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7395         New method declarations.
7396         (Output_section::merge_section_map_
7397         Output_section::merge_section_by_properties_map_,
7398         Output_section::relaxed_input_section_map_,
7399         Output_section::is_relaxed_input_section_map_valid_,
7400         Output_section::generate_code_fills_at_write_): New data members.
7401         * script-sections.cc
7402         (Output_section_element_input::set_section_addresses): Call
7403         current_data_size and addralign methods of relaxed input sections.
7404         (Orphan_output_section::set_section_addresses): Call current_data_size
7405         and addralign methods of relaxed input sections.
7406         * symtab.cc (Symbol_table::compute_final_value): Extract template
7407         from the body of Symbol_table::sized_finalize_symbol.
7408         (Symbol_table::sized_finalized_symbol): Call
7409         Symbol_table::compute_final_value.
7410         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7411         (Symbol_table::compute_final_value): New templated method declaration.
7412         * target.cc (Target::do_make_output_section): New method defintion.
7413         * target.h (Target::make_output_section): New method declaration.
7414         (Target::relax): Add more parameters for input objects, symbol table
7415         and layout.  Adjust call to do_relax.
7416         (Target::do_make_output_section): New method declaration.
7417         (Target::do_relax): Add parameters for input objects, symbol table
7418         and layout.
7419
7420 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7421
7422         * pread.c: Include stdio.h.
7423
7424 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7425
7426         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7427         defined.
7428
7429 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7430
7431         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7432         Change read_shndx type to unsigned int.
7433         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7434         int.
7435         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7436         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7437         Change read_shndx type to unsigned int.
7438         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7439         int.
7440         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7441         * layout.cc (Layout::create_symtab_sections): Cast the result of
7442         local_symcount * symsize to off_t in the gold_assert.
7443
7444 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7445
7446         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7447         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7448         R_ARM_BASE_ABS.
7449         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7450         (Arm_relocate_functions::thm_abs5): New function.
7451         (Arm_relocate_functions::abs12): New function.
7452         (Arm_relocate_functions::abs16): New function.
7453         (Arm_relocate_functions::base_abs): New function.
7454         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7455         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7456         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7457         R_ARM_BASE_ABS.
7458         (Scan::global): Likewise.
7459         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7460         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7461         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7462         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7463         R_ARM_BASE_ABS.
7464
7465 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7466
7467         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7468         (Arm_relocate_functions::movt_prel): New function.
7469         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7470         (Arm_relocate_functions::thm_movt_prel): New function.
7471         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7472         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7473         (Scan::global, Relocate::relocate): Likewise.
7474         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7475
7476 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7477
7478         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7479         Incremental_checker.
7480         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7481         unsigned int.
7482         (class Incremental_inputs_header): New class.
7483         (Incremental_inputs_header_writer): Edit comment.
7484         (Incremental_inputs_entry): New class.
7485         (Incremental_inputs_entry_writer): Edit comment.
7486         (Sized_incremental_binary::do_find_incremental_inputs_section):
7487         Add *strtab_shndx parameter, fill it.
7488         (Sized_incremental_binary::do_check_inputs): New method.
7489         (Incremental_checker::can_incrementally_link_output_file): Use
7490         Sized_incremental_binary::check_inputs.
7491         (Incremental_inputs::report_command_line): Save command line in
7492         command_line_.
7493         * incremental.h:
7494         (Incremental_binary::find_incremental_inputs_section): New
7495         method.
7496         (Incremental_binary::do_find_incremental_inputs_section): Add
7497         strtab_shndx parameter.
7498         (Incremental_binary::do_check_inputs): New pure virtual method.
7499         (Sized_incremental_binary::do_check_inputs): Declare.
7500         (Incremental_checker::Incremental_checker): Add incremental_inputs
7501         parameter, use it to initialize incremental_inputs_.
7502         (Incremental_checker::incremental_inputs_): New field.
7503         (Incremental_checker::command_line): New method.
7504         (Incremental_checker::inputs): New method.
7505         (Incremental_checker::command_line_): New field.
7506
7507 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7508
7509         * incremental.cc: Include <cstdarg> and "target-select.h".
7510         (vexplain_no_incremental): New function.
7511         (explain_no_incremental): New function.
7512         (Incremental_binary::error): New method.
7513         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7514         method.
7515         (make_sized_incremental_binary): New function.
7516         (open_incremental_binary): New function.
7517         (can_incrementally_link_file): Add checks if output is ELF and has
7518         inputs section.
7519         * incremental.h: Include "elfcpp_file.h" and "output.h".
7520         (Incremental_binary): New class.
7521         (Sized_incremental_binary): New class.
7522         (open_incremental_binary): Declare.
7523         * object.cc (is_elf_object): Use
7524         elfcpp::Elf_recognizer::is_elf_file.
7525         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7526         * output.h (Output_file::filesize): New method.
7527
7528 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7529
7530         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7531         New function.
7532         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7533         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7534         function.
7535         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7536         function.
7537         (Arm_relocate_functions::movw_abs_nc): New function.
7538         (Arm_relocate_functions::movt_abs): New function.
7539         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7540         (Arm_relocate_functions::thm_movt_abs): New function.
7541         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7542         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7543         (Scan::global): Likewise.
7544         (Relocate::relocate): Likewise.
7545         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7546
7547 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7548
7549         * arm.cc (Arm_relocate_functions::got_prel) New function.
7550         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7551         (Relocate::relocate): Likewise.
7552         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7553
7554 2009-10-06  Ian Lance Taylor  <iant@google.com>
7555
7556         * options.h (class General_options): Define
7557         split_stack_adjust_size parameter.
7558         * object.h (class Object): Add uses_split_stack_ and
7559         has_no_split_stack_ fields.  Add uses_split_stack and
7560         has_no_split_stack accessor functions.  Declare
7561         handle_split_stack_section.
7562         (class Reloc_symbol_changes): Define.
7563         (class Sized_relobj): Define Function_offsets.  Declare
7564         split_stack_adjust, split_stack_adjust_reltype, and
7565         find_functions.
7566         * object.cc (Object::handle_split_stack_section): New function.
7567         (Sized_relobj::do_layout): Call handle_split_stack_section.
7568         * dynobj.cc (Sized_dynobj::do_layout): Call
7569         handle_split_stack_section.
7570         * reloc.cc (Sized_relobj::relocate_sections): Call
7571         split_stack_adjust for executable sections in split_stack
7572         objects.  Pass reloc_map to relocate_section.
7573         (Sized_relobj::split_stack_adjust): New function.
7574         (Sized_relobj::split_stack_adjust_reltype): New function.
7575         (Sized_relobj::find_functions): New function.
7576         * target-reloc.h: Include "object.h".
7577         (relocate_section): Add reloc_symbol_changes parameter.  Change
7578         all callers.
7579         * target.h (class Target): Add calls_non_split method.  Declare
7580         do_calls_non_split virtual method.  Declare match_view and
7581         set_view_to_nop.
7582         * target.cc: Include "elfcpp.h".
7583         (Target::do_calls_non_split): New function.
7584         (Target::match_view): New function.
7585         (Target::set_view_to_nop): New function.
7586         * gold.cc (queue_middle_tasks): Give an error if mixing
7587         split-stack and non-split-stack objects with -r.
7588         * i386.cc (Target_i386::relocate_section): Add
7589         reloc_symbol_changes parameter.
7590         (Target_i386::do_calls_non_split): New function.
7591         * x86_64.cc (Target_x86_64::relocate_section): Add
7592         reloc_symbol_changes parameter.
7593         (Target_x86_64::do_calls_non_split): New function.
7594         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7595         parameter.
7596         * powerpc.cc (Target_powerpc::relocate_section): Add
7597         reloc_symbol_changes parameter.
7598         * sparc.cc (Target_sparc::relocate_section): Add
7599         reloc_symbol_changes parameter.
7600         * configure.ac: Call AM_CONDITIONAL for the default target.
7601         * configure: Rebuild.
7602         * testsuite/Makefile.am (TEST_AS): New variable.
7603         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
7604         (check_DATA): Add split_i386 and split_x86_64 files.
7605         (SPLIT_DEFSYMS): Define.
7606         (split_i386_[1234n].o): New targets.
7607         (split_i386_[124]): New targets.
7608         (split_i386_[1234r].stdout): New targets.
7609         (split_x86_64_[1234n].o): New targets.
7610         (split_x86_64_[124]): New targets.
7611         (split_x86_64_[1234r].stdout): New targets.
7612         (MOSTLYCLEANFILES): Add new executables.
7613         * testsuite/split_i386.sh: New file.
7614         * testsuite/split_x86_64.sh: New file.
7615         * testsuite/split_i386_1.s: New file.
7616         * testsuite/split_i386_2.s: New file.
7617         * testsuite/split_i386_3.s: New file.
7618         * testsuite/split_i386_4.s: New file.
7619         * testsuite/split_i386_n.s: New file.
7620         * testsuite/split_x86_64_1.s: New file.
7621         * testsuite/split_x86_64_2.s: New file.
7622         * testsuite/split_x86_64_3.s: New file.
7623         * testsuite/split_x86_64_4.s: New file.
7624         * testsuite/split_x86_64_n.s: New file.
7625         * testsuite/testfile.cc (Target_test): Update relocation_section
7626         function.
7627         * testsuite/Makefile.in: Rebuild.
7628
7629 2009-10-06  Ian Lance Taylor  <iant@google.com>
7630
7631         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
7632         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
7633         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
7634         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
7635         the address on ldo_addrs_.
7636         (Target_i386::Relocate::fix_up_ldo): New function.
7637
7638 2009-10-06   Rafael Espindola  <espindola@google.com>
7639
7640         * plugin.cc (add_input_library): New.
7641         (Plugin::load): Add add_input_library to tv.
7642         (Plugin_manager::add_input_file): Add the is_lib argument.
7643         (add_input_file): Update call to Plugin_manager::add_input_file.
7644         (add_input_library): New.
7645         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
7646
7647 2009-09-30  Doug Kwan  <dougkwan@google.com>
7648
7649         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
7650         symbol and call Symbol::may_need_copy_reloc to determine if
7651         a copy reloc is needed.
7652         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
7653         nocopyreloc is given in command line.
7654         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
7655         given in command line.
7656         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
7657         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
7658         of the removed Target_i386::may_need_copy_reloc.
7659         * options.h (copyreloc): New option with default value false.
7660         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7661         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
7662         instead of the removed Target_powerpc::may_need_copy_reloc.
7663         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7664         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
7665         instead of the removed Target_sparc::may_need_copy_reloc.
7666         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
7667         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
7668         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
7669         instead of the removed Target_x86_64::may_need_copy_reloc.
7670
7671 2009-09-30  Ian Lance Taylor  <iant@google.com>
7672
7673         * object.h (class Object): Remove target_ field, and target,
7674         sized_target, and set_target methods.
7675         (Object::sized_target): Remove.
7676         (class Sized_relobj): Update declarations.  Remove sized_target.
7677         * object.cc (Sized_relobj::setup): Remove target parameter.
7678         Change all callers.
7679         (Input_objects::add_object): Don't do anything with the target.
7680         (make_elf_sized_object): Add punconfigured parameter.  Change all
7681         callers.  Set or test parameter target.
7682         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
7683         Change all callers.
7684         * parameters.cc (Parameters::set_target): Change parameter type to
7685         be non-const.
7686         (Parameters::default_target): Remove.
7687         (set_parameters_target): Change parameter type to be non-const.
7688         (parameters_force_valid_target): New function.
7689         (parameters_clear_target): New function.
7690         * parameters.h (class Parameters): Update declarations.  Remove
7691         default_target method.  Add sized_target and clear_target
7692         methods.  Change target_ to be non-const.
7693         (set_parameters_target): Update declaration.
7694         (parameters_force_valid_target): Declare.
7695         (parameters_clear_target): Declare.
7696         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
7697         as NULL if we aren't searching.
7698         (Add_symbols::run): Don't check for compatible target.
7699         * fileread.cc (Input_file::open_binary): Call
7700         parameters_force_valid_target.
7701         * gold.cc (queue_middle_tasks): Likewise.
7702         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
7703         set_target on object.
7704         * dynobj.h (class Sized_dynobj): Update declarations.
7705         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
7706         make_elf_object returns NULL.
7707         (Archive::include_member): Don't check whether object target is
7708         compatible.
7709         * output.cc (Output_section::add_input_section): Get target from
7710         parameters.
7711         (Output_section::relax_input_section): Likewise.
7712         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
7713         parameters.
7714         (Sized_relobj::do_scan_relocs): Likewise.
7715         (Sized_relobj::relocate_sections): Likewise.
7716         * resolve.cc (Symbol_table::resolve): Likewise.
7717         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
7718         parameter.  Change all callers.
7719         (Symbol_table::add_from_object): Get target from parameters.
7720         (Symbol_table::add_from_relobj): Don't check object target.
7721         (Symbol_table::add_from_dynobj): Likewise.
7722         (Symbol_table::define_special_symbol): Get target from
7723         parameters.
7724         * symtab.h (class Symbol_table): Update declaration.
7725         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
7726         parameter.  Change all callers.  Clear parameter target.
7727         (Binary_test): Test target here.
7728         * testsuite/object_unittest.cc (gold_testsuite): Remove
7729         target_test_pointer parameter.  Change all callers.
7730         (Object_test): Test target here.
7731
7732 2009-09-26  Ian Lance Taylor  <iant@google.com>
7733
7734         * testsuite/initpri1.c: Don't try to use constructor priorities if
7735         compiling with gcc before 4.3.
7736
7737 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
7738
7739         * testsuite/retain_symbols_file_test.sh (check_present): Change
7740         output file name to retain_symbols_file_test.stdout.
7741         (check_absent): Likewise.
7742
7743 2009-09-18  Craig Silverstein  <csilvers@google.com>
7744
7745         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
7746         * options.cc: Include <cerrno> and <fstream>.
7747         (General_options::finalize): Parse -retain-symbols-file tag.
7748         * options.h: New flag.
7749         (General_options): New method should_retain_symbol, new
7750         variable symbols_to_retain.
7751         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
7752         should_retain_symbol map.
7753         * testsuite/Makefile.am (retain_symbols_file_test): New test.
7754         * testsuite/Makefile.in: Regenerate.
7755         * testsuite/retain_symbols_file_test.sh: New file.
7756
7757 2009-09-18  Nick Clifton  <nickc@redhat.com>
7758
7759         * po/es.po: Updated Spanish translation.
7760
7761 2009-09-17  Doug Kwan  <dougkwan@google.com>
7762
7763         * debug.h (DEBUG_RELAXATION): New constant.
7764         (DEBUG_ALL): Add DEBUG_RELAXATION.
7765         (debug_string_to_enum): Add relaxation debug option.
7766         * layout.cc
7767         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
7768         Layout::Relaxation_debug_check::read_sections,
7769         Layout::Relaxation_debug_check::read_sections): New method definitions.
7770         (Layout::Layout): Initialize data members
7771         record_output_section_data_from_scrips_,
7772         script_output_section_data_list_ and relaxation_debug_check_.
7773         (Layout::save_segments, Layout::restore_segments,
7774         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7775         Layout::relaxation_loop_body): New method definitions.
7776         (Layout::finalize): Support relaxation.  Move section layout code to
7777         Layout::relaxation_loop_body.
7778         (Layout::set_asection_address_from_script): Move code for orphan
7779         section placement out.
7780         (Layout::place_orphan_sections_in_script): New method definition.
7781         * layout.h (Output_segment_headers, Output_file_header):
7782         New forward class declarations.
7783         (Layout::~Layout): Define.
7784         (Layout::new_output_section_data_from_script): New method definition.
7785         (Layout::place_orphan_sections_in_script): New method declaration.
7786         (Layout::Segment_states): New type declaration.
7787         (Layout::save_segments, Layout::restore_segments,
7788         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7789         Layout::relaxation_loop_body): New method declarations.
7790         (Layout::Output_section_data_list): New type declaration.
7791         (Layout::Relaxation_debug_check): New class definition.
7792         (Layout::record_output_section_data_from_script_,
7793         Layout::script_output_section_data_list_, Layout::segment_states_,
7794         Layout::relaxation_debug_check_): New data members.
7795         * output.cc: (Output_section_headers::do_size): New method definition.
7796         (Output_section_headers::Output_section_headers): Move size
7797         computation to Output_section_headers::do_size.
7798         (Output_segment_headers::do_size): New method definition.
7799         (Output_file_header::Output_file_header): Move size computation to
7800         Output_file_header::do_size and call it.
7801         (Output_file_header::do_size): New method definition.
7802         (Output_data_group::Output_data_group): Adjust call to
7803         Output_section_data.
7804         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
7805         (Output_symtab_xindex::do_write): Add array bound check.
7806         (Output_section::Input_section::print_to_mapfile): Handle
7807         RELAXED_INPUT_SECTION_CODE.
7808         (Output_section::Output_section): Initialize data member checkpoint_.
7809         (Output_section::~Output_section): Delete checkpoint object pointed
7810         by checkpoint_.
7811         (Output_section::add_input_section): Always add an Input_section if
7812         relaxing.
7813         (Output_section::add_merge_input_section): Add assert.
7814         (Output_section::relax_input_section): New method definition.
7815         (Output_section::set_final_data_size): Set load address to zero for
7816         an unallocated section.
7817         (Output_section::do_address_and_file_offset_have_reset_values):
7818         New method definition.
7819         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
7820         Handle relaxed input section.
7821         (Output_section::sort_attached_input_sections): Checkpoint input
7822         section list lazily.
7823         (Output_section::get_input_sections): Change type of input_sections to
7824         list of Simple_input_section pointers.  Checkpoint input section list
7825         lazily.  Also handle relaxed input sections.
7826         (Output_section::add_input_section_for_script): Take a reference to
7827         a Simple_input_section object instead of Relobj pointer and section
7828         index as parameter.  Handle relaxed input sections.
7829         (Output_section::save_states, Output_section::restore_states): New
7830         method definitions.
7831         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
7832         (Output_data::is_data_size_fixed): New method definition.
7833         (Output_data::reset_addresss_and_file_offset): Do not reset data size
7834         if it is fixed.
7835         (Output_data::address_and_file_offset_have_reset_values): New method
7836         definition.
7837         (Output_data::do_address_and_file_offset_have_reset_values): New method
7838         definition.
7839         (Output_data::set_data_size): Check that data size is not fixed.
7840         (Output_data::fix_data_size): New method definition.
7841         (Output_data::is_data_size_fixed_): New data member.
7842         (Output_section_headers::set_final_data_size): New method definition.
7843         (Output_section_headers::do_size): New method declaration.
7844         (Output_segment_headers::set_final_data_size): New method definition.
7845         (Output_segment_headers::do_size): New method declaration.
7846         (Output_file_header::set_final_data_size)::New method definition.
7847         (Output_file_header::do_size)::New method declaration.
7848         (Output_section_data::Output_section_data): Add new parameter
7849         is_data_size_fixed and use it to fix data size.
7850         (Output_data_const::Output_data_const): Adjust call to base class
7851         constructor and fix data size.
7852         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
7853         base class constructor and fix data size.
7854         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
7855         base class constructor and fix data size.
7856         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
7857         class constructor and fix data size.
7858         (Output_data_group::set_final_data_size): New method definition.
7859         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
7860         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
7861         class constructor and fix data size.
7862         (Output_relaxed_input_section): New class definition.
7863         (Output_section::Simple_input_section): New class definition.
7864         (Output_section::get_input_sections): Adjust parameter list.
7865         (Output_section::add_input_section_for_script): Same.
7866         (Output_section::save_states, Output_section::restore_states,
7867         Output_section::do_address_and_file_offset_have_reset_values,
7868         (Output_section::Input_section::Input_section): Handle
7869         RELAXED_INPUT_SECTION_CODE.  Add new overload for
7870         Output_relaxed_input_section.
7871         (Output_section::Input_section::is_input_section,
7872         Output_section::Input_section::set_output_section): Handle relaxed
7873         input section.
7874         (Output_section::Input_section::is_relaxed_input_section,
7875         Output_section::Input_section::output_section_data,
7876         Output_section::Input_section::relaxed_input_section): New method
7877         definitions.
7878         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
7879         value.
7880         (Output_section::Input_section::u1_): Update comments.
7881         (Output_section::Input_section::u2_): Add new union member poris.
7882         (Output_section::Checkpoint_output_section): New classs definition.
7883         (Output_section::relax_input_section): New method declaration.
7884         (Output_section::checkpoint_): New data member.
7885         (Output_segment): Update comments.
7886         (Output_segment::Output_segment): Un-privatize copy constructor.
7887         (Output_segment::operator=): Un-privatize.
7888         * script-sections.cc (Output_section_element::Input_section_list):
7889         Change element type to Output_section::Simple_input_section.
7890         (Output_section_element_dot_assignment::set_section_addresses):
7891         Register output section data for relaxation clean up.
7892         (Output_data_exression::Output_data_expression): Adjust call to base
7893         constructor to fix data size.
7894         (Output_section_element_data::set_section_addresses): Register
7895         Output_data_expression object for relaxation clean up.
7896         (struct Input_section_info): Replace Relobj pointer and section index
7897         pair with Output_section::Simple_input_section and Convert struct to a
7898         class.
7899         (Input_section_sorter::operator()): Adjust access to
7900         Input_section_info data member to use accessors.
7901         (Output_section_element_input::set_section_addresses): Use layout
7902         parameter.  Adjust code to use Output_section::Simple_input_section
7903         and Input_secction_info classes.  Register filler for relaxation
7904         clean up.
7905         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
7906         and section index pair with Output_section::Simple_input_section
7907         class.  Adjust code accordingly.
7908         (Phdrs_element::release_segment): New method definition.
7909         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
7910         segment list.
7911         (Script_sections::release_segments): New method definition.
7912         * gold/script-sections.h (Script_sections::release_segments): New
7913         method declaration.
7914         * gold/target.h (Target::may_relax, Target::relax,
7915         Target::do_may_relax, Target::do_relax): New method definitions.
7916
7917 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7918
7919         * arm.cc (has_signed_unsigned_overflow): New function.
7920         (Arm_relocate_functions::abs8): New function.
7921         (Target_arm::Scan::local): Handle R_ARM_ABS8.
7922         (Target_arm::Scan::global): Likewise.
7923         (Target_arm::relocate::relocate): Likewise.
7924         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7925         Likewise.
7926
7927 2009-09-16  Cary Coutant  <ccoutant@google.com>
7928
7929         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
7930         * testsuite/Makefile.in: Regenerate.
7931
7932 2009-09-11  Nick Clifton  <nickc@redhat.com>
7933
7934         * po/gold.pot: Updated by the Translation project.
7935
7936 2009-09-08  Cary Coutant  <ccoutant@google.com>
7937
7938         * output.cc (Output_file::open): Add execute permission to empty file.
7939         * testsuite/Makefile.am (permission_test): New test.
7940         * testsuite/Makefile.in: Regenerate.
7941
7942 2009-09-02  Ian Lance Taylor  <iant@google.com>
7943
7944         * output.cc (Output_file::resize): Call map_no_anonymous rather
7945         than map.
7946
7947 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
7948
7949         * gold.cc: Include "incremental.h".
7950         (queue_initial_tasks): Call Incremental_checker methods.
7951         * incremental.cc: Include "output.h".
7952         (Incremental_checker::can_incrementally_link_output_file): New
7953         method.
7954         * incremental.h (Incremental_checker): New class.
7955
7956         * output.cc (Output_file::open_for_modification): New method.
7957         (Output_file::map_anonymous): Changed return type to bool.  Record
7958         map in base_ field.
7959         (Output_file::map_no_anonymous): New method, broken out of map.
7960         (Output_file::map): Use map_no_anonymous and map_anonymous.
7961         * output.h (class Output_file): Update declarations.
7962
7963 2009-08-24  Cary Coutant  <ccoutant@google.com>
7964
7965         * options.h (Command_line::Pre_options): New class.
7966         (Command_line::pre_options): New member.
7967         * options.cc (gold::options::ready_to_register): New variable.
7968         (One_option::register_option): Do nothing if not registering options.
7969         Assert if same short option registered twice.
7970         (General_options::General_options): Turn off option registration when
7971         done constructing.
7972         (Command_line::Pre_options::Pre_options): New constructor.
7973
7974 2009-08-24  Cary Coutant  <ccoutant@google.com>
7975
7976         * options.h (General_options::no_keep_memory): Remove incorrect
7977         short option.
7978
7979 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7980
7981         * Makefile.am (am__skiplex, am__skipyacc): New.
7982         * Makefile.in: Regenerate.
7983
7984 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7985
7986         * Makefile.am (AM_CPPFLAGS): Renamed from ...
7987         (INCLUDES): ... this.
7988         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
7989         (AM_CPPFLAGS): Renamed from ...
7990         (INCLUDE): ... this.
7991         * Makefile.in, testsuite/Makefile.in: Regenerate.
7992
7993         * Makefile.in: Regenerate.
7994         * aclocal.m4: Likewise.
7995         * config.in: Likewise.
7996         * configure: Likewise.
7997         * testsuite/Makefile.in: Likewise.
7998
7999         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8000         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8001         * Makefile.in: Regenerate.
8002         * testsuite/Makefile.in: Regenerate.
8003
8004 2009-08-19  Cary Coutant  <ccoutant@google.com>
8005
8006         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8007         symbols in shared libraries overridden by hidden or internal symbols
8008         in the main program.
8009
8010 2009-08-19  Chris Demetriou  <cgd@google.com>
8011
8012         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8013         checking source file names in error messages.
8014
8015 2009-08-18  Doug Kwan  <dougkwan@google.com>
8016
8017         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8018         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8019         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8020         an elfcpp::Ehdr as parameter.
8021         * object.cc (Object::set_target): Remove the version that looks up
8022         a target and sets it.
8023         (Sized_relobj::setup): Take a Target object instead of
8024         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8025         (make_elf_sized_object): Find target and ask target to
8026         make an ELF object.
8027         * object.h: (Object::set_target): Remove the version that looks up
8028         a target and sets it.
8029         (Sized_relobj::setup): Take a Target object instead of
8030         an elfcpp:Ehdr as parameter.
8031         * target.cc: Include dynobj.h.
8032         (Target::do_make_elf_object_implementation): New.
8033         (Target::do_make_elf_object): New.
8034         * target.h (Target::make_elf_object): New template declaration.
8035         (Target::do_make_elf_object): New method declarations.
8036         (Target::do_make_elf_object_implementation): New template declaration.
8037
8038 2009-08-14  Ian Lance Taylor  <iant@google.com>
8039
8040         * gold.h (FUNCTION_NAME): Define.
8041         (gold_unreachable): Use FUNCTION_NAME.
8042
8043 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8044
8045         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8046         symbol in the --keep-unique list is not found.
8047
8048 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8049
8050         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8051         been maked as --keep-unique.
8052         (Icf::unfold_section): New function.
8053         * icf.h (Icf::unfold_section): New function.
8054         * options.h (General_options::keep_unique): New option.
8055         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8056         * testsuite/Makefile.in: Regenerate.
8057         * testsuite/icf_keep_unique_test.sh: New file.
8058         * testsuite/icf_keep_unique_test.cc: New file.
8059
8060 2009-08-12  Cary Coutant  <ccoutant@google.com>
8061
8062         PR 10471
8063         * resolve.cc (Symbol_table::resolve): Check for references from
8064         dynamic objects to hidden and internal symbols.
8065         * testsuite/Makefile.am (hidden_test.sh): New test.
8066         * testsuite/Makefile.in: Regenerate.
8067         * testsuite/hidden_test.sh: New script.
8068         * testsuite/hidden_test_1.c: New test source.
8069         * testsuite/hidden_test_main.c: New test source.
8070
8071 2009-08-11  Doug Kwan  <dougkwan@google.com>
8072
8073         * arm.cc: Update comments.
8074         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8075         segment to locate the .ARM.exidx section if present.
8076
8077 2009-08-09  Doug Kwan  <dougkwan@google.com>
8078
8079         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8080         patch.
8081
8082 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8083         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8084         compiler warnings.
8085
8086 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8087
8088         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8089         valid tls_segment only for non-debug-section relocations.
8090         * testsuite/Makefile.am: Add gc_tls_test.
8091         * testsuite/Makefile.in: Regenerate.
8092         * testsuite/gc_tls_test.cc: New file.
8093         * testsuite/gc_tls_test.sh: New file.
8094
8095 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8096
8097         * icf.cc: New file.
8098         * icf.h: New file.
8099         * Makefile.am (CCFILES): Add icf.cc.
8100         (HFILES): Add icf.h
8101         * Makefile.in: Regenerate.
8102         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8103         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8104         section, symbol and addend information for the relocs.
8105         * gold.cc (queue_middle_tasks): Call identical code folding.
8106         * gold.h: Add defines for multimap.
8107         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8108         to the call of finalize_local_symbols.
8109         * main.cc (main): Create object of class Icf.
8110         * object.cc (Sized_relobj::do_layout): Allow this function to be
8111         called twice during icf.
8112         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8113         to sections marked as identical by icf.
8114         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8115         when available.
8116         (Sized_relobj::do_section_entsize): New function.
8117         * object.h (Object::section_entsize): New function.
8118         (Object::do_section_entsize): New pure virtual function.
8119         (Relobj::finalize_local_symbols): Add new parameter.
8120         (Relobj::do_section_entsize): New function.
8121         * options.h (General_options::icf): New option.
8122         (General_options::icf_iterations): New option.
8123         (General_options::print_icf_sections): New option.
8124         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8125         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8126         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8127         icf.
8128         * symtab.cc (Symbol_table::is_section_folded): New function.
8129         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8130         to sections marked as identical by icf.
8131         * symtab.h (Symbol_table::set_icf): New function.
8132         (Symbol_table::icf): New function.
8133         (Symbol_table::is_section_folded): New function.
8134         (Symbol_table::icf_): New data member.
8135         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8136         * testsuite/Makefile.am: Add commands to build icf_test.
8137         * testsuite/Makefile.in: Regenerate.
8138         * testsuite/icf_test.sh: New file.
8139         * testsuite/icf_test.cc: New file.
8140
8141 2009-07-24  Chris Demetriou  <cgd@google.com>
8142
8143         * layout.cc (is_compressible_debug_section): Fix incorrect
8144         comment about compressed section names.
8145
8146 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8147
8148         PR 10419
8149         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8150
8151 2009-07-16  Ian Lance Taylor  <iant@google.com>
8152
8153         PR 10400
8154         * layout.h: #include <map>.
8155         (class Kept_section): Change from struct to class.  Add accessors
8156         and setters.  Add section size to Comdat_group mapping.  Change
8157         Comdat_group to std::map.  Add is_comdat_ field.  Add
8158         linkonce_size field in union.
8159         (class Layout): Update declaration of find_or_add_kept_section.
8160         Don't declare find_kept_object.
8161         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8162         parameter.  Add object, shndx, is_comdat, and is_group_name
8163         parameters.  Change all callers.  Adjust for new Kept_section.
8164         (Layout::find_kept_object): Remove.
8165         * object.cc (Sized_relobj::include_section_group): Update use of
8166         Kept_section.  Rename secnum to shndx.  Only record
8167         Kept_comdat_section if sections are the same size.
8168         (Sized_relobj::include_linkonce_section): Update use of
8169         Kept_section.  Only record Kept_comdat_section if sections are the
8170         same size.  Set size of linkonce section.
8171         (Sized_relobj::map_to_kept_section): Update call to
8172         get_kept_comdat_section.
8173         * object.h (class Sized_relobj): Rename fields in
8174         Kept_comdat_section to drop trailing underscores; change object
8175         field to Relobj*.  Change Kept_comdat_section_table to store
8176         struct rather than pointer.
8177         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8178         Add kept_object and kept_shndx parameters.  Change all callers.
8179         (Sized_relobj::get_kept_comdat_section): Change return type to
8180         bool.  Add kept_object and kept_shndx parameters.  Change all
8181         callers.
8182         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8183         Layout::find_or_add_kept_section.
8184
8185 2009-07-09  Ian Lance Taylor  <iant@google.com>
8186
8187         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8188         Reserve space in the hash table.
8189
8190 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8191
8192         * fileread.cc (File_read::get_mtime): New method.
8193         * fileread.h (Timespec): New structure.
8194         (File_read::get_mtime): New method.
8195         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8196         Renamed from timestamp_nsec.
8197         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8198         Elf_Xword.
8199         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8200         timestamp_nsec.
8201         (Incremental_inputs::report_archive): Save mtime; style fix.
8202         (Incremental_inputs::report_obejct): Save mtime; style fix.
8203         (Incremental_inputs::report_script): Save mtime; style fix.
8204         (Incremental_inputs::finalize_inputs): Style fix.
8205         (Incremental_inputs::finalize): Style fix.
8206         (Incremental_inputs::create_input_section_data): Store inputs
8207         mtime.
8208         * incremental.h (Incremental_inputs::report_script): Add mtime
8209         argument.
8210         (Incremental_inputs::Input_info::Input_info): Intialize only one
8211         union member.
8212         (Incremental_inputs::Input_info::archive): Move to nameless
8213         union.
8214         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8215         (Incremental_inputs::Input_info::script): Move to nameless union.
8216         (Incremental_inputs::mtime): New field.
8217         * script.cc (read_input_script): Pass file mtime to
8218         Incremental_input.
8219         * script.h (Script_info::inputs): Style fix.
8220
8221 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8222
8223         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8224         instead of 32.
8225
8226 2009-06-24  Ian Lance Taylor  <iant@google.com>
8227
8228         PR 10156
8229         * layout.cc (Layout::choose_output_section): If we find an
8230         existing section, update the flags.
8231         (Layout::create_notes): New function, broken out of
8232         Layout::finalize.
8233         (Layout::finalize): Don't create note sections.
8234         (Layout::create_note): Don't crash if linker script discards
8235         section.
8236         (Layout::create_gold_note): Likewise.
8237         (Layout::create_build_id): Likewise.  Don't set
8238         after_input_sections on the section.
8239         (Layout::create_executable_stack_info): Remove target parameter.
8240         Change caller.
8241         * layout.h (class Layout): Declare create_notes.  Update
8242         declaration of create_executable_stack_info.
8243         * gold.cc (queue_middle_tasks): Call create_notes.
8244         * output.cc (Output_section::update_flags_for_input_section): Move
8245         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8246         invalid.
8247         * output.h (Output_data::mark_address_invalid): New function.
8248         (class Output_section): Only declare, not define,
8249         update_flags_for_input_section.  Remove set_flags.
8250
8251 2009-06-24  Ian Lance Taylor  <iant@google.com>
8252
8253         * script-sections.cc (Output_section_definition::
8254         set_section_addresses): Rename shadowing local load_address to
8255         laddr.
8256
8257 2009-06-24  Ian Lance Taylor  <iant@google.com>
8258
8259         PR 10244
8260         * reloc.cc (relocate_sections): Skip empty relocation sections.
8261
8262 2009-06-23  Ian Lance Taylor  <iant@google.com>
8263
8264         PR 10156
8265         * layout.cc (Layout::create_note): Use choose_output_section
8266         rather than make_output_section.
8267
8268 2009-06-23  Ian Lance Taylor  <iant@google.com>
8269
8270         PR 10237
8271         * options.cc (General_options::parse_V): Set printed_version_.
8272         (General_options::General_options): Initialize printed_version_.
8273         * options.h (class General_options): Add printed_version_ field.
8274         * gold.cc (queue_initial_tasks): If there are no input files,
8275         don't give a fatal error if we printed the version information.
8276         (queue_middle_tasks): If using -r with a shared object, give a
8277         fatal error rather than an ordinary error.
8278
8279 2009-06-23  Ian Lance Taylor  <iant@google.com>
8280
8281         PR 10219
8282         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8283         (Layout::make_output_section): Set have_stabstr_section_ if we see
8284         a .stab*str section.
8285         (Layout::finalize): Call link_stabs_sections.
8286         (Layout::link_stabs_sections): New file.
8287         * layout.h (class Layout): Add have_stabstr_section_ field.
8288         Declare link_stabs_sections.
8289
8290 2009-06-23  Doug Kwan  <dougkwan@google.com>
8291
8292         * Makefile.am (libgold_a_LIBADD): New.
8293         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8294         * Makefile.in: Regenerate.
8295         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8296         * configure: Regenerate.
8297         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8298         * fileread.cc: Include sys/state.h
8299         * gold.h: Declare memmem and strndup if found missing.
8300         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8301
8302 2009-06-23  Ian Lance Taylor  <iant@google.com>
8303
8304         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8305         * configure: Rebuild.
8306
8307 2009-06-23  Ian Lance Taylor  <iant@google.com>
8308
8309         PR 10147
8310         * object.cc (Object::section_contents): Don't try to get a view if
8311         the section has length zero.
8312         (Object::handle_gnu_warning_section): If the section is empty, use
8313         the name of the section as the warning.
8314
8315 2009-06-23  Ian Lance Taylor  <iant@google.com>
8316
8317         PR 10133
8318         * stringpool.h (class Stringpool_template): Add optimize_ field.
8319         (Stringpool_template::set_optimize): New function.
8320         * stringpool.cc (Stringpool_template::Stringpool_template):
8321         Initialize optimize_ field.
8322         (Stringpool_template::set_string_offsets): Test local optimize
8323         fild rather than parameter.
8324         * layout.cc (Layout::Layout): Call set_optimize on the section
8325         name stringpool.
8326
8327 2009-06-22  Ian Lance Taylor  <iant@google.com>
8328
8329         PR 10030
8330         * yyscript.y: Parse TARGET.
8331         * script.cc (script_set_target): New function.
8332         * script-c.h (script_set_target): Declare.
8333         * options.cc (General_options::string_to_object_format): Rename
8334         from string_to_object_format in anonymous namespace.  Change
8335         callers.
8336         * options.h (class General_options): Declare
8337         string_to_object_format.
8338
8339 2009-06-22  Ian Lance Taylor  <iant@google.com>
8340
8341         * script-sections.cc (Script_sections::create_segments): Don't put
8342         program headers in a PT_LOAD segment if -n or -N.
8343
8344 2009-06-22  Ian Lance Taylor  <iant@google.com>
8345
8346         PR 10141
8347         * options.h (class General_options): Add -z lazy and -z now.  Sort
8348         -z options into alphabetical order.
8349         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8350
8351 2009-06-21  Ian Lance Taylor  <iant@google.com>
8352
8353         * layout.cc (Layout::make_output_section): Call
8354         Target::new_output_section.
8355         (Layout::attach_allocated_section_to_segment): Put large section
8356         sections in a separate load segment with the large segment flag
8357         set.
8358         (Layout::segment_precedes): Sort large data segments after other
8359         load segments.
8360         (align_file_offset): New static function.
8361         (Layout::set_segment_offsets): Use align_file_offset.
8362         * output.h (class Output_section): Add is_small_section_ and
8363         is_large_section_ fields.
8364         (Output_section::is_small_section): New function.
8365         (Output_section::set_is_small_section):  New function.
8366         (Output_section::is_large_section): New function.
8367         (Output_section::set_is_large_section): New function.
8368         (Output_section::is_large_data_section): New function.
8369         (class Output_segment): Add is_large_data_segment_ field.
8370         (Output_segment::is_large_data_segment): New function.
8371         (Output_segment::set_is_large_data_segment): New function.
8372         * output.cc (Output_section::Output_section): Initialize new
8373         fields.
8374         (Output_segment::Output_segment): Likewise.
8375         (Output_segment::add_output_section): Add assertion that large
8376         data sections always go in large data segments.  Force small data
8377         sections to the end of the list of data sections.  Force small BSS
8378         sections to the start of the list of BSS sections.  For large BSS
8379         sections to the end of the list of BSS sections.
8380         * symtab.h (class Symbol): Declare is_common_shndx.
8381         (Symbol::is_defined): Check Symbol::is_common_shndx.
8382         (Symbol::is_common): Likewise.
8383         (class Symbol_table): Define enum Commons_section_type.  Update
8384         declarations.  Add small_commons_ and large_commons_ fields.
8385         * symtab.cc (Symbol::is_common_shndx): New function.
8386         (Symbol_table::Symbol_table): Initialize new fields.
8387         (Symbol_table::add_from_object): Put small and large common
8388         symbols in the right list.
8389         (Symbol_table::sized_finalized_symbol): Check
8390         Symbol::is_common_shndx.
8391         (Symbol_table::sized_write_globals): Likewise.
8392         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8393         common symbol lists.  Don't call do_allocate_commons_list if the
8394         list is empty.
8395         (Symbol_table::do_allocate_commons_list): Remove is_tls
8396         parameter.  Add comons_section_type parameter.  Change all
8397         callers.  Handle small and large common symbols.
8398         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8399         Symbol::is_common_shndx.
8400         * resolve.cc (symbol_to_bits): Likewise.
8401         * target.h (Target::small_common_shndx): New function.
8402         (Target::small_common_section_flags): New function.
8403         (Target::large_common_shndx): New function.
8404         (Target::large_common_section_flags): New function.
8405         (Target::new_output_section): New function.
8406         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8407         small_common_section_flags, and large_common_section_flags
8408         fields.
8409         (Target::do_new_output_section): New virtual function.
8410         * arm.cc (Target_arm::arm_info): Initialize new fields.
8411         * i386.cc (Target_i386::i386_info): Likewise.
8412         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8413         Likewise.
8414         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8415         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8416         (Target_x86_64::do_new_output_section): New function.
8417         * configure.ac: Define conditional MCMODEL_MEDIUM.
8418         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8419         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8420         (large_LDFLAGS): Define.
8421         * testsuite/large.c: New file.
8422         * testsuite/testfile.cc (Target_test::test_target_info):
8423         Initialize new fields.
8424         * configure, testsuite/Makefile.in: Rebuild.
8425
8426 2009-06-05  Doug Kwan  <dougkwan@google.com>
8427
8428         * Makefile.am (CCFILES): Add target.cc.
8429         * Makefile.in: Regenerate.
8430         * i386.cc (class Target_i386): Define new virtual method to
8431         override do_is_local_label_name in parent.
8432         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8433         local symbols if --discard-locals or -X is given.
8434         * options.h (class General_options): Declare new options
8435         '--discard-locals' and '-X' for discarding locals.
8436         * target.h (class Target): Define new methods is_local_label_name.
8437         Declare new virtual method do_is_local_label_name.
8438         * target.cc: New file.
8439         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8440         (check_SCRIPTS): Add discard_locals_test.sh.
8441         (check_DATA): Add discard_local_tests.syms.
8442         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8443         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8444         * testsuite/Makefile.in: Regenerate.
8445         * testsuite/discard_locals_test.c: New file.
8446         * testsuite/discard_locals_test.sh: Same.
8447
8448 2009-06-05  Doug Kwan  <dougkwan@google.com>
8449
8450         * object.cc (Sized_relobj::Sized_relobj): Initialize
8451         discarded_eh_frame_shndx_ to -1U.
8452         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8453         section.
8454         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8455         a discarded .eh_frame section.
8456         (Sized_relobj::do_finalize_local_symbols): Ditto.
8457         * object.h (class Sized_relobj): Declare new member
8458         discarded_eh_frame_shndx_.
8459         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8460         (local_labels_test.o, local_labels_test): New rules.
8461         * testsuite/Makefile.in: Regenerate.
8462
8463 2009-06-04  Doug Kwan  <dougkwan@google.com>
8464
8465         * layout.cc (Layout::section_name_mapping): Add mapping for
8466         special ARM sections.
8467
8468 2009-06-03  Doug Kwan  <dougkwan@google.com>
8469
8470         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8471         (utils::has_overflow): Same.
8472
8473 2009-06-03  Ian Lance Taylor  <iant@google.com>
8474
8475         * layout.cc (Layout::section_name_mapping): New array, replacing
8476         Layout::linkonce_mapping.
8477         (Layout::section_name_mapping_count): New variable, replacing
8478         Layout::linkonce_mapping_count.
8479         (Layout::linkonce_output_name): Remove.
8480         (Layout::output_section_name): Rewrite.
8481         * layout.h (class Layout): Rename Linkonce_mapping to
8482         Section_name_mapping, linkonce_mapping to section_name_mapping,
8483         linkonce_mapping_count to section_name_mapping_count.  Don't
8484         declare linkonce_output_name.
8485
8486 2009-06-03  Doug Kwan  <dougkwan@google.com>
8487
8488         * gold/arm.cc (namespace utils): New.
8489         (Target_arm::reloc_is_non_pic): Define new method.
8490         (class Arm_relocate_functions): New.
8491         (Target_arm::Relocate::relocate): Handle relocation types used by
8492         Android.
8493
8494 2009-06-03  Ian Lance Taylor  <iant@google.com>
8495
8496         * arm.cc (Target_arm::scan::global): Use || instead of |.
8497
8498 2009-06-02  Doug Kwan  <dougkwan@google.com>
8499
8500         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8501         issued_non_pic_error_.
8502         (class Target_arm::Scan): Declare new method check_non_pic.
8503         Define new method symbol_needs_plt_entry.
8504         Declare new data member issued_non_pic_error_.
8505         (class Target_arm::Relocate): Declare new method
8506         should_apply_static_reloc.
8507         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8508         (Target_arm::Scan::check_non_pic): Define new method.
8509         (Target_arm::Scan::local): Handle a small subset of reloc types used
8510         by Android.
8511         (Target_arm::Scan::local): Same.
8512         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8513
8514 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
8515
8516         * incremental.cc (Incremental_inputs::report_command_line): Filter
8517         out --incremental-* options.
8518
8519 2009-05-29  Doug Kwan  <dougkwan@google.com>
8520
8521         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8522         template class.
8523         (class Target_arm): Update comment.
8524         (Target_arm::Target_arm): Initialize new data members GOT_,
8525         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8526         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8527         and Target_arm::rel_dyn_section.
8528         Declare new_enum Target_arm::Got_type.
8529         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8530         and DYNBSS_.
8531         Update commments for member do_dynsym_value.
8532         (Target_arm::got_size, Target_arm::plt_section,
8533         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8534         new methods inside class defintion.
8535         (Target_arm::got_section): Define new method.
8536         (Target_arm::rel_dyn_section): Same.
8537         (Output_data_plt_arm): New template class.
8538         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8539         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8540         (Output_data_plt_arm::add_entry): Same.
8541         (Output_data_plt_arm::first_plt_entry): Define new
8542         static data member for PLT instruction template.
8543         (Output_data_plt_arm::plt_entry): Same.
8544         (Output_data_plt_arm::do_write): Define new method.
8545         (Target_arm::make_plt_entry): Same.
8546         (Target_arm::do_finalize_sections): Same.
8547         (Target_arm::do_dynsym_value): Same.
8548
8549 2009-05-28  Doug Kwan  <dougkwan@google.com>
8550
8551         * Makefile.am (TARGETSOURCES): Add arm.cc.
8552         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8553         * Makefile.in: Regenerate.
8554         * arm.cc: New file.
8555         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8556
8557 2009-05-26  Doug Kwan  <dougkwan@google.com>
8558
8559         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8560         (General_options::check_excluded_libs): Strip off directories in
8561         archive name before matching like GNU ld does.
8562         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8563         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8564         (exclude_libs_test_LDFLAGS): Add linker option
8565         -Wl,--exclude-libs,libexclude_libs_test_3
8566         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8567         an explicit archive without using -l.
8568         (alt/libexclude_libs_test_3.a): New make rule.
8569         * testsuite/Makefile.in: Regenerate.
8570         * testsuite/exclude_libs_test.c : Declare lib3_default().
8571         (main): Call it.
8572         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8573         * exclude_libs_test_3.c: New file.
8574
8575 2009-05-26  Nick Clifton  <nickc@redhat.com>
8576
8577         * po/id.po: New Indonesian translation.
8578         * po/gold.pot: Updated template file.
8579
8580 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
8581
8582         * testsuite/Makefile.am: Add -ffunction-sections to compile
8583         gc_comdat_test files.  Add -Wl,--gc-sections to build
8584         gc_comdat_test.
8585         * testsuite/Makefile.in: Regenerate.
8586         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8587
8588 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
8589
8590         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8591         kept comdat section was garbage collected.
8592         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8593         * testsuite/Makefile.in: Regenerate.
8594         * testsuite/gc_comdat_test.sh: New file.
8595         * testsuite/gc_comdat_test_1.cc: New file.
8596         * testsuite/gc_comdat_test_2.cc: New file.
8597
8598 2009-05-19  Doug Kwan  <dougkwan@google.com>
8599
8600         * archive.cc (Archive::Archive): Move constructor from archive.h
8601         to here.  Initialize no_export_.
8602         (Archive::get_elf_object_for_member): Set no_export flag of object.
8603         * archive.h (Archive::Archive): Move constructor body to
8604         archive.cc.
8605         (Archive::no_export): New method.
8606         (Archive::no_export_): New field.
8607         * object.h (Object::Object): Initialize no_export_ to false.
8608         (Object::no_export, Object::set_no_export): New methods.
8609         (Object::no_export_): New field.
8610         * options.cc (General_options::parse_exclude_libs): New method.
8611         (General_options::check_excluded_libs) Same.
8612         * options.h (exclude_libs): New option.
8613         (General_options::check_excluded_libs): New method declaration.
8614         (General_options::excluded_libs_): New field.
8615         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
8616         default or protected visibility if an object has no-export flag set.
8617         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
8618         (check_SCRIPTS): Add exclude_libs_test.sh.
8619         (check_DATA): Add exclude_libs_test.syms.
8620         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
8621         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
8622         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
8623         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
8624         (exclude_libs_test.syms, libexclude_libs_test_1.a,
8625         libexclude_libs_test_2.a): New rules.
8626         * testsuite/Makefile.in: Regenerate.
8627         * testsuite/exclude_libs_test.c: New file.
8628         * testsuite/exclude_libs_test.sh: Ditto.
8629         * testsuite/exclude_libs_test_1.c: Ditto.
8630         * testsuite/exclude_libs_test_2.c: Ditto.
8631
8632 2009-05-15  Ian Lance Taylor  <iant@google.com>
8633
8634         * configure.ac: Check for declarations for cases where libiberty.h
8635         checks HAVE_DECL_xxx.
8636         * configure, config.in: Rebuild.
8637
8638 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
8639
8640         * gold.h (Incremental_argument_list): Remove (invalid) forward
8641         declaration.
8642         * incremental.cc (Incremental_inputs::report_achive): New method.
8643         (Incremental_inputs::report_object): New method.
8644         (Incremental_inputs::report_script): New method.
8645         (Incremental_inputs::finalize_inputs): New method.
8646         (Incremental_inputs::finalize): Call finalize_inputs().
8647         (Incremental_inputs::sized_create_incremental_inputs_section_data):
8648         Create inputs entries.
8649         * incremental.h (Incremental_input_type): New enum.
8650         (Incremental_inputs::Incremental_input): Initialize new fields.
8651         (Incremental_inputs::report_inputs): New method.
8652         (Incremental_inputs::report_achive): New method.
8653         (Incremental_inputs::report_object): New method.
8654         (Incremental_inputs::report_script): New method.
8655         (Incremental_inputs::finalize_inputs): New method.
8656         (Incremental_inputs::Input_info): New struct.
8657         (Incremental_inputs::Input_info_map): New typedef.
8658         (Incremental_inputs::lock_): New field.
8659         (Incremental_inputs::Inputs_): New field.
8660         (Incremental_inputs::Inputs_map): New field.
8661         * main.cc (main): Call Incremental_input::report_inputs.
8662         * options.h (Input_argument_list): Typedef moved from
8663         Input_arguments.
8664         (Input_file_group::Files): Remove, use ::Input_argument_list.
8665         (Input_file_group::Input_argument_list): Remove, use
8666         ::Input_argument_list.
8667         * plugin.cc (Plugin_manager::add_input_file): Add error in
8668         incremental build.
8669         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
8670         functions.
8671         * script.cc (read_input_script): Call
8672         Incremental_input::report_script.
8673         * script.h (Script_info): New class.
8674
8675 2009-04-27  Ian Lance Taylor  <iant@google.com>
8676
8677         * x86_64.cc (do_adjust_output_section): Set entsize to
8678         plt_entry_size.
8679
8680 2009-04-23  Elliott Hughes  <enh@google.com>
8681
8682         * output.cc (Output_file::close): After short writes, continue
8683         writing from the correct offset in the buffer being written.
8684
8685 2009-04-23  Chris Demetriou  <cgd@google.com>
8686
8687         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
8688         * configure: Regenerate.
8689         * config.in: Regenerate.
8690         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
8691         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
8692
8693 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
8694
8695         * incremental.cc (Incremental_inputs_header_data): Renamed from
8696         Incremental_input_header_data.
8697         (Incremental_inputs_header_data::data_size): New field.
8698         (Incremental_inputs_header_data::put_input_file_count): Renamed
8699         from input_file_count.
8700         (Incremental_inputs_header_data::put_command_line_offset): Renamed
8701         from command_line_offset.
8702         (Incremental_inputs_header_data::put_reserved): Renamed from
8703         put_reserved.
8704         (Incremental_inputs_entry_data): Renamed from
8705         Incremental_input_entry_data.
8706         (Incremental_inputs_entry_data::data_size): New field.
8707         (Incremental_inputs::report_command_line): New method.
8708         (Incremental_inputs::finalize): New method.
8709         (Incremental_inputs::create_incremental_inputs_data): New method.
8710         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
8711         * incremental.h: New file.
8712         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
8713        (Layout::finalize): Create incremental inputs section in
8714         incremental builds.
8715        (Layout::create_incremental_info_sections): New method.
8716         * layout.h (Layout::incremental_inputs): New method.
8717        (Layout::create_incremental_info_sections): New method.
8718        (Layout::incremental_inputs_): New field.
8719         * main.cc (main): Notify Incremental_input of the command line.
8720
8721 2009-04-01  Ian Lance Taylor  <iant@google.com>
8722             Mikolaj Zalewski  <mikolajz@google.com>
8723
8724         * gold.h (reserve_unordered_map): Define, three versions, one for
8725         each version of Unordered_map.
8726         * layout.cc (Layout::Layout): Remove options parameter.  Add
8727         number_of_input_files parameter.  Don't initialize options_.
8728         Initialize number_of_input_files_ and resized_signatures_.  Move
8729         sections_are_attached_.
8730         (Layout::layout_group): Reserve space for group_signatures_.
8731         (Layout::find_or_add_kept_section): Change name parameter to be a
8732         reference.  Resize signatures_ map when it gets large enough.
8733         (Layout::layout_eh_frame): Use parameters->options() instead of
8734         this->options_.
8735         (Layout::make_output_section): Likewise.
8736         (Layout::attach_allocated_section_to_segment): Likewise.
8737         (Layout::finalize, Layout::create_executable_stack): Likewise.
8738         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
8739         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
8740         * layout.h (class Layout): Update declarations.  Remove options_
8741         field.  Add number_of_input_files_ and resized_signatures_
8742         fields.  Move sections_are_attached_ field.
8743         * main.cc (main): Pass number of input files to Layout
8744         constructor.  Don't pass options.
8745
8746 2009-03-30  Ian Lance Taylor  <iant@google.com>
8747
8748         * ffsll.c (ffsll): Correct implementation.
8749
8750 2009-03-27  Ian Lance Taylor  <iant@google.com>
8751
8752         * ffsll.c: New file.
8753         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
8754         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
8755         * ftruncate.c (ftruncate): Declare before definition.
8756         * mremap.c (mremap): Likewise.
8757         * pread.c (pread): Likewise.
8758         * configure, Makefile.in, config.in: Rebuild.
8759
8760         * mremap.c: New file.
8761         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
8762         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
8763         (mremap): Declare if HAVE_MREMAP is not defined.
8764         * configure, Makefile.in, config.in: Rebuild.
8765
8766 2009-03-27  Cary Coutant  <ccoutant@google.com>
8767
8768         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
8769         position independent.
8770         * sparc.cc (Target_sparc::check_non_pic): Likewise.
8771         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
8772
8773 2009-03-24  Cary Coutant  <ccoutant@google.com>
8774
8775         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
8776         an executable.
8777         (needs_dynamic_reloc): Likewise.
8778
8779 2009-03-24  Ian Lance Taylor  <iant@google.com>
8780
8781         * yyscript.y (file_cmd): Recognize EXTERN.
8782         (extern_name_list, extern_name_list_body): New nonterminals.
8783         * script.cc (script_add_extern): Define.
8784         * script-c.h (script_add_extern): Declare.
8785
8786 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
8787
8788         * object.cc (is_elf_object): Define.
8789         * object.h (is_elf_object): Declare.
8790         * archive.cc (Archive::get_elf_object_for_member): Call
8791         is_elf_object.
8792         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
8793
8794 2009-03-24  Elliott Hughes  <enh@google.com>
8795
8796         * output.cc (Output_file::map_anonymous): Define.
8797         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
8798         try an anonymous one.  Report the size if the mmap fails.
8799         * output.h (class Output_file): Declare map_anonymous.
8800
8801 2009-03-24  Ian Lance Taylor  <iant@google.com>
8802
8803         * target-select.cc (instantiate_target): Don't acquire the lock if
8804         the instantiated_target_ field has already been set.
8805
8806 2009-03-23  Ian Lance Taylor  <iant@google.com>
8807
8808         * gold-threads.h (class Initialize_lock): Define.
8809         * gold-threads.cc (class Initialize_lock_once): Define.
8810         (initialize_lock_control): New static variable.
8811         (initialize_lock_pointer): New static variable.
8812         (initialize_lock_once): New static function.
8813         (Initialize_lock::Initialize_lock): Define.
8814         (Initialize_lock::initialize): Define.
8815         * target-select.h: Include "gold-threads.h".
8816         (class Target_selector): Add lock_ and initialize_lock_ fields.
8817         Don't define instantiate_target, just declare it.
8818         * target-select.cc (Target_selector::Target_selector): Initialize
8819         new fields.
8820         (Target_selector::instantiate_target): Define.
8821         * descriptors.h: Include "gold-threads.h".
8822         (class Descriptors): Add initialize_lock_ field.
8823         * descriptors.cc (Descriptors::Descriptors): Initialize new
8824         field.
8825         (Descriptors::open): Use initialize_lock_ field
8826         * errors.h (class Errors): Add initialize_lock_ field.
8827         * errors.cc (Errors::Errors): Initialize new field.
8828         (Errors::initialize_lock): Use initialize_lock_ field.
8829         * powerpc.cc (class Target_selector_powerpc): Remove
8830         instantiated_target_ field.  In do_recognize call
8831         instantiate_target rather than do_instantiate_target.  In
8832         do_instantiate_target just allocate a new target.
8833         * sparc.cc (class Target_selector_sparc): Likewise.
8834
8835         * freebsd.h: New file.
8836         * i386.cc: Include "freebsd.h".
8837         (Target_i386): Derive from Target_freebsd rather than
8838         Sized_target.
8839         (Target_selector_i386): Derive from Target_selector_freebsd rather
8840         than Target_selector.
8841         * x86_64.cc: Include "freebsd.h".
8842         (Target_x86_64): Derive from Target_freebsd rather than
8843         Sized_target.
8844         (Target_selector_x86_64): Derive from Target_selector_freebsd
8845         rather than Target_selector.
8846         * target.h (class Target): Add adjust_elf_header and
8847         do_adjust_elf_header.
8848         * output.cc (Output_file_header:: do_sized_write): Call target
8849         adjust_elf_header routine.
8850         * configure.tgt: Set targ_osabi.
8851         * configure.ac: Define GOLD_DEFAULT_OSABI.
8852         * parameters.cc (Parameters::default_target): Pass
8853         GOLD_DEFAULT_OSABI to select_target.
8854         * target-select.h (class Target_selector): Make instantiate_target
8855         protected rather than private.
8856         * Makefile.am (HFILES): Add freebsd.h.
8857         * configure, Makefile.in, config.in: Rebuild.
8858
8859         * merge.cc (do_add_input_section): Correct pend value.  Change
8860         message about last entry not being null terminated from error to
8861         warning.
8862
8863 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
8864
8865         * incremental.cc: New file.
8866         * Makefile.am (CCFILES): Add incremental.cc.
8867         * Makefile.in: Rebuild.
8868
8869 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
8870
8871         * layout.cc (Layout::output_section_name): Preserve names
8872         of '.note.' sections.
8873
8874 2009-03-19  Ian Lance Taylor  <iant@google.com>
8875
8876         * descriptors.cc (Descriptors::open): Check that the options are
8877         valid before using them.
8878
8879 2009-03-18  Ian Lance Taylor  <iant@google.com>
8880
8881         * script-sections.h: Include <list>.
8882         (class Script_sections): Change Sections_elements from std::vector
8883         to std::list.  Typedef public Elements_iterator.  Add
8884         orphan_section_placement_, data_segment_align_start_, and
8885         saw_data_segment_align_ fields.  Remove data_segment_align_index_
8886         field.
8887         * script-sections.cc (class Orphan_section_placement): New class.
8888         (class Sections_element): Add virtual functions is_relro and
8889         orphan_section_init.  Remove virtual function place_orphan_here.
8890         (class Output_section_definition): Add is_relro and
8891         orphan_section_init.  Remove place_orphan_here.
8892         (class Orphan_output_section): Likewise.
8893         (Script_sections::Script_sections): Update for field changes.
8894         (Script_sections::data_segment_align): Set saw_data_segment_align_
8895         and data_segment_align_start_, not data_segment_align_index.
8896         (Script_sections::data_segment_relro_end): Check
8897         saw_data_segment_align_.  Use data_segment_align_start_ rather
8898         than data_segment_align_index_.
8899         (Script_sections::place_orphan): Rewrite to use
8900         Orphan_section_placement.
8901
8902 2009-03-17  Ian Lance Taylor  <iant@google.com>
8903
8904         * archive.cc (Archive::add_symbols): Check for a version attached
8905         to the symbol name in the archive map.
8906         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
8907         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
8908         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
8909         (ver_test_11.a): New target.
8910         * testsuite/Makefile.in: Rebuild.
8911
8912         * configure.ac: Check for chsize and posix_fallocate.  Replace
8913         ftruncate.
8914         * ftruncate.c: New file, from gnulib.
8915         * output.cc (posix_fallocate): Define dummy version if not
8916         HAVE_POSIX_FALLOCATE.
8917         (Output_file::map): Call posix_fallocate rather than lseek and
8918         write.
8919         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
8920         * configure, Makefile.in, config.in: Rebuild.
8921
8922 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
8923
8924         * layout.h (Layout::create_note): Add section_name parameter.
8925         * layout.cc (Layout::create_note): Likewise.
8926         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
8927
8928 2009-03-17  Ian Lance Taylor  <iant@google.com>
8929
8930         * descriptors.cc: Include "options.h".
8931         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
8932         (Descriptors::open): Always use O_CLOEXEC when opening a new
8933         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
8934         then set FD_CLOEXEC.
8935
8936         * sparc.cc (class Target_sparc): Add has_got_section.
8937         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
8938         make sure we have a GOT section.
8939
8940         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
8941         (Target_sparc::Scan::local): Likewise.
8942         (Target_sparc::Scan::global): Likewise.
8943         (Target_sparc::Relocate::relocate): Likewise.
8944         (Target_sparc::Relocate::relocate_tls): Likewise.
8945
8946         * symtab.cc (Symbol_table::define_default_version): New function,
8947         broken out of add_from_object.
8948         (Symbol_table::add_from_object): Call define_default_version.
8949         (Symbol_table::define_special_symbol): Add resolve_oldsym
8950         parameter.  Change all callers.  If the version for a symbol comes
8951         from a version script, resolve it with the symbol with the same
8952         name with no version.  Also add the symbol without a version if
8953         appropriate.
8954         (do_define_in_output_data): If resolving with oldsym, don't delete
8955         sym.
8956         (do_define_in_output_segment): Likewise.
8957         (do_define_as_constant): Likewise.
8958         * symtab.h (class Symbol_table): Update declarations.
8959
8960 2009-03-13  Ian Lance Taylor  <iant@google.com>
8961
8962         * readsyms.cc (Read_symbols::incompatible_warning): New function.
8963         (Read_symbols::requeue): New function.
8964         (Read_symbols::do_read_symbols): If make_elf_object fails because
8965         the target type is not configured, and the file was searched for,
8966         issue a warning and retry with the next directory.
8967         (Add_symbols::run): If the file has an incompatible format, and
8968         it was searched for, requeue the Read_symbols task.  On error,
8969         release the object.
8970         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
8971         dirindex parameter to constructor.  Change all callers.  Declare
8972         incompatible_warning and requeue.
8973         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
8974         input_argument_ and input_group_ fields.  Add them to
8975         constructor.  Change all callers.
8976         (class Read_script): Add dirindex_ field.  Add it to constructor.
8977         Change all callers.
8978         * archive.cc (Archive::setup): Remove input_objects parameter.
8979         Change all callers.
8980         (Archive::get_file_and_offset): Likewise.
8981         (Archive::read_all_symbols): Likewise.
8982         (Archive::read_symbols): Likewise.
8983         (Archive::get_elf_object_for_member): Remove input_objects
8984         parameter.  Add punconfigured parameter.  Change all callers.
8985         (Archive::add_symbols): Change return type to bool.  Check return
8986         value of include_member.
8987         (Archive::include_all_members): Likewise.
8988         (Archive::include_member): Change return type to bool.  Return
8989         false if first included object has incompatible target.  Set
8990         included_member_ field.
8991         (Add_archive_symbols::run): If add_symbols returns false, requeue
8992         Read_symbols task.
8993         * archive.h (class Archive): Add included_member_ field.
8994         Initialize it in constructor.  Add input_file and searched_for
8995         methods.  Update declarations.
8996         (class Add_archive_symbols): Add dirpath_, dirindex_, and
8997         input_argument_ fields.  Add them to constructor.  Change all
8998         callers.
8999         * script.cc: Include "target-select.h".
9000         (class Parser_closure): Add skip_on_incompatible_target_ and
9001         found_incompatible_target_ fields.  Add
9002         skip_on_incompatible_target parameter to constructor.  Change all
9003         callers.  Add methods skip_on_incompatible_target,
9004         clear_skip_on_incompatible_target, found_incompatible_target, and
9005         set_found_incompatible_target.
9006         (read_input_script): Add dirindex parameter.  Change all callers.
9007         If parser finds an incompatible target, requeue Read_symbols
9008         task.
9009         (script_set_symbol): Clear skip_on_incompatible_target in
9010         closure.
9011         (script_add_assertion, script_parse_option): Likewise.
9012         (script_start_sections, script_add_phdr): Likewise.
9013         (script_check_output_format): New function.
9014         * script.h (read_input_script): Update declaration.
9015         * script-c.h (script_check_output_format): Declare.
9016         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9017         (ignore_cmd): Remove OUTPUT_FORMAT.
9018         * fileread.cc (Input_file::Input_file): Add explicit this.
9019         (Input_file::will_search_for): New function.
9020         (Input_file::open): Add pindex parameter.  Change all callers.
9021         * fileread.h (class Input_file): Add input_file_argument method.
9022         Declare will_search_for.  Update declarations.
9023         * object.cc (make_elf_object): Add punconfigured parameter.
9024         Change all callers.
9025         * object.h (class Object): Make input_file public.  Add
9026         searched_for method.
9027         (make_elf_object): Update declaration.
9028         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9029         restart search.
9030         * dirsearch.h (class Dirsearch): Update declaration.
9031         * options.h (class General_options): Add --warn-search-mismatch.
9032         * parameters.cc (Parameters::is_compatible_target): New function.
9033         * parameters.h (class Parameters): Declare is_compatible_target.
9034         * workqueue.cc (Workqueue::add_blocker): New function.
9035         * workqueue.h (class Workqueue): Declare add_blocker.
9036
9037         * fileread.cc (Input_file::open): Remove options parameter.
9038         Change all callers.
9039         (Input_file::open_binary): Likewise.
9040         * script.cc (read_input_script): Likewise.
9041         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9042         options parameter from constructor.  Change all callers.
9043         (class Read_script): Likewise.
9044         * fileread.h (class Input_file): Update declarations.
9045         * script.h (read_input_script): Update declaration.
9046
9047 2009-03-10  Nick Clifton  <nickc@redhat.com>
9048
9049         * po/es.po: New Spanish translation.
9050
9051 2009-03-06  Cary Coutant  <ccoutant@google.com>
9052
9053         * options.cc (parse_short_option): Keep dash_z from registering itself.
9054
9055 2009-03-03  Ian Lance Taylor  <iant@google.com>
9056
9057         PR 9918
9058         * target-reloc.h (relocate_section): Pass output_section to
9059         relocate.
9060         * i386.cc (Target_i386::should_apply_static_reloc): Add
9061         output_section parameter.  Change all callers.
9062         (Target_i386::Relocate::relocate): Add output_section parameter.
9063         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9064         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9065         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9066         * testsuite/two_file_shared.sh: New script.
9067         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9068         (check_DATA): Add two_file_shared.dbg.
9069         (two_file_shared.dbg): New target.
9070         * testsuite/Makefile.in: Rebuild.
9071
9072 2009-03-01  Ian Lance Taylor  <iant@google.com>
9073
9074         * configure.ac: Check for byteswap.h.
9075         * configure: Rebuild.
9076         * config.in: Rebuild.
9077
9078 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9079
9080         * layout.cc (Layout::find_or_add_kept_section): New function.
9081         (Layout::add_comdat): Removed.
9082         * layout.h (struct Kept_section): Move out of class Layout.
9083         Remove trailing underscores from field names.  Add group_sections
9084         field.  Rename group_ field to is_group.  Change all uses.
9085         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9086         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9087         comdat_groups_ field.
9088         (Sized_relobj::include_section_group): Use
9089         find_or_add_kept_section and Kept_section::group_sections.
9090         (Sized_relobj::include_linkonce_section): Likewise.
9091         * object.cc (class Sized_relobj): Don't define Comdat_group or
9092         Comdat_group_table.  Remove find_comdat_group and
9093         add_comdat_group.  Remove comdat_groups_ field.
9094         * plugin.cc (include_comdat_group): Use
9095         Layout::find_or_add_kept_section.
9096
9097 2009-02-28  Ian Lance Taylor  <iant@google.com>
9098
9099         * README: --gc-sections and map files are now supported.  Document
9100         some build requirements.
9101
9102         PR 6992
9103         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9104         relocatable link set the value of the section symbol to zero.
9105         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9106         relocatable link don't include the section address in the local
9107         symbol value.
9108
9109 2009-02-27  Ian Lance Taylor  <iant@google.com>
9110
9111         PR 6811
9112         * options.h (class Search_directory): Add is_system_directory.
9113         (class General_options): Declare is_in_system_directory.
9114         * options.cc (get_relative_sysroot): Make static.
9115         (get_default_sysroot): Make static.
9116         (General_optoins::is_in_system_directory): New function.
9117         * fileread.cc (Input_file::is_in_system_directory): New function.
9118         * fileread.h (class Input_file): Declare is_in_system_directory.
9119         * object.h (class Object): Add is_in_system_directory.
9120         (class Input_objects): Remove system_library_directory_ field.
9121         * object.cc (Input_objects::add_object): Don't set
9122         system_library_directory_.
9123         (input_objects::found_in_system_library_directory): Remove.
9124         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9125         parameter.  Change all callers.
9126         (Symbol_table::sized_write_globals): Likewise.
9127         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9128         Call Object::is_in_system_directory.
9129         * symtab.h (class Symbol_table): Update declarations.
9130
9131         PR 5990
9132         * descriptors.h (Open_descriptor): Add is_on_stack field.
9133         * descriptors.cc (Descriptors::open): If the descriptor is on the
9134         top of the stack, remove it.  Initialize is_on_stack field.
9135         (Descriptors::release): Only add pod to stack if it is not on the
9136         stack already.
9137         (Descriptors::close_some_descriptor): Clear stack_next and
9138         is_on_stack fields.
9139
9140         PR 7091
9141         * output.cc (Output_section::find_starting_output_address): Rename
9142         from starting_output_address; add PADDR parameter; change return
9143         type.
9144         * output.h (class Output_section): Declare
9145         find_starting_output_address instead of starting_output_address.
9146         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9147         section symbol for which we can't find a merge section.
9148
9149         PR 9836
9150         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9151         hidden or internal, force the symbol to be local.
9152         * resolve.cc (Symbol::override_visibility): Define.
9153         (Symbol::override_base): Use override_visibility.
9154         (Symbol_table::resolve): Likewise.
9155         (Symbol::override_base_with_special): Likewise.
9156         (Symbol_table::override_with_special): If the visibility is hidden
9157         or internal, force the symbol to be local.
9158         * symtab.h (class Symbol): Add set_visibility and
9159         override_visibility.
9160         * testsuite/ver_test_1.sh: New file.
9161         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9162         (check_DATA): Add ver_test_1.syms.
9163         (ver_test_1.syms): New target.
9164         * testsuite/Makefile.in: Rebuild.
9165
9166 2009-02-25  Cary Coutant  <ccoutant@google.com>
9167
9168         * layout.cc (Layout::choose_output_section): Don't rename sections
9169         when using a linker script that has a SECTIONS clause.
9170         * Makefile.in: Regenerate.
9171
9172         * testsuite/Makefile.am (script_test_5.sh): New test case.
9173         * testsuite/Makefile.in: Regenerate.
9174         * testsuite/script_test_5.cc: New file.
9175         * testsuite/script_test_5.sh: New file.
9176         * testsuite/script_test_5.t: New file.
9177
9178 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9179
9180         * archive.cc (Archive::include_member): Update calls to add_symbols.
9181         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9182         the Layout argument.
9183         * dynobj.h (do_add_symbols): Add the Layout argument.
9184         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9185         Layout argument.
9186         * object.h (Object::add_symbols): Add the Layout argument.
9187         (Object::do_add_symbols): Add the Layout argument.
9188         (Sized_relobj::do_add_symbols): Add the Layout argument.
9189         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9190         Unify the two versions.
9191         (Add_plugin_symbols): Remove.
9192         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9193         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9194         (Add_plugin_symbols): Remove.
9195         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9196         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9197         (Add_symbols::run): Make it work with Pulginobj.
9198
9199 2009-02-06  Ian Lance Taylor  <iant@google.com>
9200
9201         * object.cc (Sized_relobj::do_layout): Make info message start
9202         with lower case letter.
9203
9204 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9205
9206         * binary.cc: Fix file comment.
9207
9208         * options.h (enum Incremental_disposition): Define.
9209         (class General_options): Add new options: --incremental,
9210         --incremental_changed, --incremental_unchanged,
9211         --incremental_unknown.  Add incremental_disposition_ and
9212         implicit_incremental_ fields.
9213         (General_options::incremental_disposition): New function.
9214         (class Position_dependent_options): Add incremental_disposition
9215         option.
9216         (Position_dependent_options::copy_from_options): Set incremental
9217         dispositions.
9218         * options.cc (General_options::parse_incremental_changed): New
9219         function.
9220         (General_options::parse_incremental_unchanged): New function.
9221         (General_options::parse_incremental_unknown): New function.
9222         (General_options::General_options): Initialize new fields
9223         incremental_disposition_ and implicit_incremental_.
9224         (General_options::finalize): Check for uasge of --incremental-*
9225         without --incremental.
9226
9227 2009-02-06  Chris Demetriou  <cgd@google.com>
9228
9229         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9230         pointer and to report location as the file name associated with
9231         the symbol.
9232         (gold_undefined_symbol_at_location): New function to replace the
9233         old gold_undefined_symbol functionality.
9234         * target-reloc.h (relocate_section): Update to use
9235         gold_undefined_symbol_at_location.
9236         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9237         Call gold_undefined_symbol function rather than gold_error.
9238         * errors.h (Errors::undefined_symbol): Take location as a
9239         string, rather than calculating it from a relocation.
9240         * errors.cc (Errors::fatal): Print "fatal error:" before the
9241         formatted message.
9242         (Errors::error, Errors::error_at_location): Print "error: "
9243         before the formatted message.
9244         (Errors::undefined_symbol): Take location as a string, rather
9245         than calculating it from a relocation.
9246         (gold_undefined_symbol_at_location): New function akin to
9247         old gold_undefined_symbol, calculates location from relocation.
9248         (gold_undefined_symbol): Change to take only a Symbol pointer
9249         and to report location as the file name associated with the symbol.
9250         * testsuite/debug_msg.sh: Update for changed error messages.
9251         * testsuite/undef_symbol.sh: Likewise.
9252
9253 2009-02-04  Duncan Sands  <baldrick@free.fr>
9254
9255         PR 9812
9256         * reduced_debug_output.h
9257         (Output_reduced_debug_abbrev_section::failed): Use format for
9258         gold_warning.
9259         (Output_reduced_debug_info_section::faild): Likewise.
9260
9261 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9262
9263         * script.cc (Lazy_demangler): New class.
9264         (Version_script_info::get_symbol_version_helper): Demangle a
9265         symbol only once.
9266
9267 2009-01-29  Cary Coutant  <ccoutant@google.com>
9268
9269         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9270         to __tls_get_addr.
9271         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9272
9273 2009-01-28  Ian Lance Taylor  <iant@google.com>
9274
9275         * version.cc (version_string): Bump to 1.9.
9276
9277         * gold.h: Include <cstring> and <stdint.h>.
9278         * version.cc: Include <cstdio>.
9279         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9280         warning.
9281         * reduced_debug_output.cc (insert_into_vector): Rename from
9282         Insert_into_vector; change all callers.  Use Swap_unaligned to
9283         avoid aliasing issue; remove union since it is unnecessary.
9284
9285 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9286
9287         * Makefile.am (CCFILES): Add gc.cc.
9288         (HFILES): Add gc.h.
9289         * Makefile.in: Regenerate.
9290         * gold.cc (Gc_runner): New class.
9291         (queue_initial_tasks): Call garbage collection related tasks
9292         when corresponding options are invoked.
9293         (queue_middle_gc_tasks): New function.
9294         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9295         processed early before laying out sections during garbage collection.
9296         * gold.h (queue_middle_gc_tasks): New function.
9297         (is_prefix_of): Move from "layout.cc".
9298         * i386.cc (Target_i386::gc_process_relocs): New function.
9299         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9300         * main.cc (main): Create object of class "Garbage_collection".
9301         * object.cc (Relobj::copy_symbols_data): New function.
9302         (Relobj::is_section_name_included): New function.
9303         (Sized_relobj::do_layout): Allow this function to be called twice
9304         during garbage collection and defer layout of section during the
9305         first call.
9306         * object.h (Relobj::get_symbols_data): New function.
9307         (Relobj::is_section_name_included): New function.
9308         (Relobj::copy_symbols_data): New function.
9309         (Relobj::set_symbols_data): New function.
9310         (Relobj::get_relocs_data): New function.
9311         (Relobj::set_relocs_data): New function.
9312         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9313         (Relobj::gc_process_relocs): New function.
9314         (Relobj::do_gc_process_relocs): New pure virtual function.
9315         (Relobj::sd_): New data member.
9316         (Sized_relobj::is_output_section_offset_invalid): New function.
9317         (Sized_relobj::do_gc_process_relocs): New function.
9318         * options.h (General_options::gc_sections): Modify to not be a no-op.
9319         (General_options::print_gc_sections): New option.
9320         * plugin.cc (Plugin_finish::run): Remove function call to
9321         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9322         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9323         * reloc.cc (Read_relocs::run): Add task to process relocs and
9324         determine unreferenced sections when doing garbage collection.
9325         (Gc_process_relocs): New class.
9326         (Sized_relobj::do_gc_process_relocs): New function.
9327         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9328         sections that are garbage collected.
9329         * reloc.h (Gc_process_relocs): New class.
9330         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9331         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9332         symbols whose corresponding sections are garbage collected.
9333         (Symbol_table::Symbol_table): Add new parameter for the garbage
9334         collection object.
9335         (Symbol_table::gc_mark_undef_symbols): New function.
9336         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9337         (Symbol_table::gc_mark_dyn_syms): New function.
9338         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9339         as garbage.
9340         (Symbol_table::add_from_object): Likewise.
9341         (Symbol_table::add_from_relobj): When building shared objects, do not
9342         treat externally visible symbols as garbage.
9343         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9344         table information for static and relocatable links.
9345         * symtab.h (Symbol_table::set_gc): New function.
9346         (Symbol_table::gc): New function.
9347         (Symbol_table::gc_mark_undef_symbols): New function.
9348         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9349         (Symbol_table::gc_mark_dyn_syms): New function.
9350         (Symbol_table::gc_): New data member.
9351         * target.h (Sized_target::gc_process_relocs): New pure virtual
9352         function.
9353         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9354         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9355
9356 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9357
9358         * options.h (General_options::gc_sections): Define as a no-op for now.
9359         (General_options::no_keep_memory): Ditto.
9360         (General_options::Bshareable): Define.
9361         * options.cc (General_options::finalize): Honor -Bshareable.
9362
9363 2009-01-20  Andreas Schwab  <schwab@suse.de>
9364
9365         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9366         read the value in the contents, since we don't use it.  Use the
9367         template endianness when writing.
9368         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9369
9370 2009-01-19  Andreas Schwab  <schwab@suse.de>
9371
9372         * configure.tgt (powerpc64-*): Fix targ_obj.
9373
9374 2009-01-15  Ian Lance Taylor  <iant@google.com>
9375
9376         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9377         local symbols when stripping all symbols.
9378
9379 2009-01-14  Cary Coutant  <ccoutant@google.com>
9380
9381         * output.cc (Output_reloc): Add explicit instantiations.
9382
9383 2009-01-14  Cary Coutant  <ccoutant@google.com>
9384
9385         * archive.cc (Archive::get_elf_object_for_member): Remove call
9386         to File_read::claim_for_plugin.
9387         * descriptors.cc (Descriptors::open): Remove reference to
9388         is_claimed.
9389         (Descriptors::claim_for_plugin): Remove.
9390         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9391         (Descriptors::is_claimed): Remove.
9392         (claim_descriptor_for_plugin): Remove.
9393         * fileread.cc (File_read::claim_for_plugin): Remove.
9394         * fileread.h (File_read::claim_for_plugin): Remove.
9395         (File_read::descriptor): Reopen descriptor if necessary.
9396         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9397         (Plugin_manager::all_symbols_read): Add task parameter. Change
9398         all callers.
9399         (Plugin_manager::get_input_file): New function.
9400         (Plugin_manager::release_input_file): New function.
9401         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9402         corresponding data member.
9403         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9404         and pass to base constructor. Change all callers.
9405         (get_input_file, release_input_file): New functions.
9406         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9407         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9408         (Plugin_manager::all_symbols_read): Add task parameter.
9409         (Plugin_manager::get_input_file): New function.
9410         (Plugin_manager::release_input_file): New function.
9411         (Plugin_manager::task_): New data member.
9412         (Pluginobj::Pluginobj): Add filesize parameter.
9413         (Pluginobj::filename): New function.
9414         (Pluginobj::descriptor): New function.
9415         (Pluginobj::filesize): New function.
9416         (Pluginobj::filesize_): New data member.
9417         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9418         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9419         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9420
9421         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9422         with archive libraries.
9423         * testsuite/Makefile.in: Regenerate.
9424         * testsuite/plugin_test.c (struct sym_info): New type.
9425         (get_input_file, release_input_file): New static variables.
9426         (onload): Capture new transfer vector entries.
9427         (claim_file_hook): Stop reading at end of file according to filesize.
9428         Factor out parsing of readelf output into separate function.
9429         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9430         APIs and get the source file name from the symbol table.  Convert
9431         source file name to corresponding object file name.  Print info
9432         message when adding new input files.
9433         (parse_readelf_line): New function.
9434         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9435         * testsuite/plugin_test_2.sh: Likewise.
9436         * testsuite/plugin_test_3.sh: Likewise.
9437         * testsuite/plugin_test_4.sh: New test case.
9438
9439 2009-01-07  Ian Lance Taylor  <iant@google.com>
9440
9441         * version.cc (version_string): Bump to 1.8.
9442
9443 2008-12-23  Cary Coutant  <ccoutant@google.com>
9444
9445         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9446         * plugin.cc (Plugin_manager::finish): Rename as
9447         layout_deferred_objects.  Move cleanup to separate function.
9448         (Plugin_manager::cleanup): New function.
9449         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9450         separately.
9451         * plugin.h (Plugin_manager::finish): Rename as
9452         layout_deferred_objects.
9453         (Plugin_manager::cleanup): New function.
9454         (Plugin_manager::cleanup_done): New field.
9455
9456 2008-12-23  Cary Coutant  <ccoutant@google.com>
9457
9458         * plugin.cc (is_visible_from_outside): New function.
9459         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9460         so we don't return "IR only" status for exported symbols or -r links.
9461
9462         * testsuite/Makefile.am (plugin_test_3): New test case.
9463         * testsuite/Makefile.in: Regenerate.
9464         * testsuite/plugin_test_3.sh: New file.
9465
9466 2008-12-22  Cary Coutant  <ccoutant@google.com>
9467
9468         * object.cc (Sized_relobj::layout_section): New function.
9469         (Sized_relobj::do_layout): Defer layout of input sections until after
9470         plugin has provided replacement files.
9471         (Sized_relobj::do_layout_deferred_sections): New function.
9472         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9473         (Relobj::layout_deferred_sections): New function.
9474         (Relobj::do_layout_deferred_sections): New function.
9475         (Sized_relobj::do_layout_deferred_sections): New function.
9476         (Sized_relobj::layout_section): New function.
9477         (Sized_relobj::Deferred_layout): New structure.
9478         (Sized_relobj::deferred_layout_): New field.
9479         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9480         Change all callers.  Layout deferred sections.
9481         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9482         references.
9483         (Plugin_hook::run): Move code from do_plugin_hook inline.
9484         (Plugin_hook::do_plugin_hook): Remove.
9485         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9486         (Plugin_manager::finish): Renamed, was cleanup.
9487         (Plugin_manager::should_defer_layout): New function.
9488         (Plugin_manager::add_deferred_layout_object): New function.
9489         (Plugin_manager::Deferred_layout_list): New type.
9490         (Plugin_manager::deferred_layout_objects_): New field.
9491         (Plugin_hook::do_plugin_hook): Remove.
9492
9493 2008-12-17  Ian Lance Taylor  <iant@google.com>
9494
9495         * options.h (class General_options): Add --no case for
9496         --export-dynamic.
9497
9498 2008-12-16  Cary Coutant  <ccoutant@google.com>
9499
9500         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9501         vector.
9502         (Plugin_manager::claim_file): Create plugin object even if
9503         plugin did not call the add_symbols callback.
9504         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9505         asking for more symbols than were added.
9506         * testsuite/Makefile.am (plugin_test_1): Add test case with
9507         no global symbols.
9508         (empty.syms): New target.
9509         * testsuite/Makefile.in: Regenerate.
9510         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9511         message. Don't call add_symbols if no globals.
9512         (all_symbols_read_hook): Don't provide replacement for empty
9513         claimed file.
9514
9515 2008-12-12  Ian Lance Taylor  <iant@google.com>
9516
9517         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9518         r_type == 0 for a local symbol with r_sym == 0.
9519         (scan_relocatable_relocs): Pass r_sym to
9520         local_non_section_strategy.
9521         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9522         r_sym parameter.
9523
9524         * configure.ac: Update test for TLS descriptors: they are
9525         supported as of glibc 2.9.
9526         * configure: Rebuild.
9527
9528 2008-12-11  Ian Lance Taylor  <iant@google.com>
9529
9530         PR 7091
9531         * target-reloc.h (Default_scan_relocatable_relocs): For each
9532         function, map r_type == 0 to RELOC_DISCARD.
9533
9534 2008-12-10  Cary Coutant  <ccoutant@google.com>
9535
9536         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9537         object to override a kept COMDAT group from a plugin object.
9538
9539 2008-12-09  Ian Lance Taylor  <iant@google.com>
9540
9541         PR 7088
9542         * yyscript.y (file_cmd): Handle INPUT.
9543
9544         * testsuite/initpri1.c: Change all declarations to be full
9545         prototypes by adding void, to avoid compiler warnings.
9546
9547 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
9548
9549         * options.cc (General_options::parse_plugin_opt): New.
9550         (General_options::add_plugin): The argument now is just the filename.
9551         (General_options::add_plugin_option): New.
9552         * options.h (plugin_opt): New.
9553         (add_plugin): Change argument name.
9554         (add_plugin_option): New.
9555         * plugin.cc (Plugin::load): Don't parse the plugin option.
9556         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9557         (Plugin::add_option): New.
9558         (Plugin::args_): Change type.
9559         (Plugin::filename_): New.
9560         (Plugin_manager::add_plugin_option): New.
9561         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9562         * testsuite/Makefile.in: Regenerate.
9563
9564 2008-12-05  Cary Coutant  <ccoutant@google.com>
9565
9566         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9567         Handle --strip-lto-sections option.
9568         * options.h (strip_lto_sections): New option.
9569
9570 2008-12-01  Cary Coutant  <ccoutant@google.com>
9571
9572         * plugin.cc (ld_plugin_message): Change format parameter to const.
9573         Fix mismatch between new[] and delete.
9574
9575 2008-11-14  Cary Coutant  <ccoutant@google.com>
9576
9577         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9578         instead of -1U.
9579
9580 2008-11-05  Craig Silverstein  <csilvers@google.com>
9581
9582         * options.cc (General_options::parse_dynamic_list): New function.
9583         * options.h (General_options): New flags dynamic_list,
9584         dynamic_list_data, dynamic_list_cpp_new, and
9585         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
9586         (General_options::in_dynamic_list): New function.
9587         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9588         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9589         (Lex::can_continue_name): Likewise.
9590         (yylex): Likewise.
9591         (read_script_file): New parameter script_options.
9592         (read_dynamic_list): New function.
9593         (Script_options::define_dynamic_list): New function.
9594         (dynamic_list_keyword_parsecodes): New variable.
9595         (dynamic_list_keywords): New variable.
9596         * script.h (Script_options::define_dynamic_list): New function
9597         prototype.
9598         (read_dynamic_list): New function prototype.
9599         * symtab.cc (strprefix): New macro.
9600         (Symbol::should_add_dynsym_entry): Support dynamic_list,
9601         dynamic_list_data, dynamic_list_cpp_new, and
9602         dynamic_list_cpp_typeinfo.
9603         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
9604         (dynamic_list_expr): New rule.
9605         (dynamic_list_nodes): Likewise.
9606         (dynamic_list_node): Likewise.
9607         * testsuite/Makefile.am (dynamic_list): New test.
9608         * testsuite/Makefile.in: Regenerated.
9609         * testsuite/dynamic_list.t: New file.
9610         * testsuite/dynamic_list.sh: New file.
9611
9612 2008-11-05  Craig Silverstein  <csilvers@google.com>
9613
9614         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
9615         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
9616         (t11_last): Likewise.
9617         * testsuite/ver_test_6.c (main): Likewise.
9618
9619 2008-10-07  Cary Coutant  <ccoutant@google.com>
9620
9621         * options.c (General_options::finalize): Add check for -static and
9622         -shared.
9623         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
9624         is not empty.
9625
9626 2008-10-02  Cary Coutant  <ccoutant@google.com>
9627
9628         * plugin.cc (make_sized_plugin_object): Fix conditional
9629         compilation to work when not all targets are enabled.
9630
9631 2008-09-29  Cary Coutant  <ccoutant@google.com>
9632
9633         * archive.cc (Archive::get_file_and_offset): Use filename instead
9634         of name to get library path.
9635         (Archive::include_member): Unlock external member of a thin archive.
9636
9637         * testsuite/Makefile.am (TEST_AR): New variable.
9638         (thin_archive_test_1): New test.
9639         (thin_archive_test_2): New test.
9640         * testsuite/Makefile.in: Regenerate.
9641         * testsuite/thin_archive_main.cc: New file.
9642         * testsuite/thin_archive_test_1.cc: New file.
9643         * testsuite/thin_archive_test_2.cc: New file.
9644         * testsuite/thin_archive_test_3.cc: New file.
9645         * testsuite/thin_archive_test_4.cc: New file.
9646
9647 2008-09-29  Cary Coutant  <ccoutant@google.com>
9648
9649         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
9650         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
9651         instead of -1U.
9652         (Sized_relobj::do_finalize_local_symbols): Likewise.
9653         (Sized_relobj::map_to_kept_section): Likewise.
9654         * object.h (Sized_relobj::invalid_address): New constant.
9655         (Sized_relobj::do_output_section_offset): Check for invalid_address
9656         and return -1ULL.
9657         * output.cc (Output_reloc::local_section_offset): Use constant
9658         invalid_address instead of -1U.
9659         (Output_reloc::get_address): Likewise.
9660         (Output_section::output_address): Change -1U to -1ULL.
9661         * output.h (Output_reloc::invalid_address): New constant.
9662         * reloc.cc (Sized_relobj::write_sections): Use constant
9663         invalid_address instead of -1U.
9664         (Sized_relobj::relocate_sections): Likewise.
9665         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
9666         values for merge sections.
9667         * target-reloc.h (relocate_for_relocatable): Use constant
9668         invalid_address instead of -1U.
9669
9670 2008-09-19  Cary Coutant  <ccoutant@google.com>
9671
9672         Add plugin functionality for link-time optimization (LTO).
9673         * configure.ac (plugins): Add --enable-plugins option.
9674         * configure: Regenerate.
9675         * config.in: Regenerate.
9676         * Makefile.am (LIBDL): New variable.
9677         (CCFILES): Add plugin.cc.
9678         (HFILES): Add plugin.h.
9679         (ldadd_var): Add LIBDL.
9680         * Makefile.in: Regenerate.
9681
9682         * archive.cc: Include "plugin.h".
9683         (Archive::setup): Don't preread archive symbols when using a plugin.
9684         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
9685         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
9686         files.
9687         (Archive::include_member): Add symbols from plugin objects.
9688         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
9689         * descriptors.cc (Descriptors::open): Check for file descriptors
9690         abandoned by plugins.
9691         (Descriptors::claim_for_plugin): New function.
9692         * descriptors.h (Descriptors::claim_for_plugin): New function.
9693         (Open_descriptor::is_claimed): New field.
9694         (claim_descriptor_for_plugin): New function.
9695         * fileread.cc (File_read::claim_for_plugin): New function.
9696         * fileread.h (File_read::claim_for_plugin): New function.
9697         (File_read::descriptor): New function.
9698         * gold.cc: Include "plugin.h".
9699         (queue_initial_tasks): Add task to call plugin hooks for generating
9700         new object files.
9701         * main.cc: Include "plugin.h".
9702         (main): Load plugin libraries.
9703         * object.h (Pluginobj): Declare.
9704         (Object::pluginobj): New function.
9705         (Object::do_pluginobj): New function.
9706         (Object::set_target): New function.
9707         * options.cc: Include "plugin.h".
9708         (General_options::parse_plugin): New function.
9709         (General_options::General_options): Initialize plugins_ field.
9710         (General_options::add_plugin): New function.
9711         * options.h (Plugin_manager): Declare.
9712         (General_options): Add --plugin option.
9713         (General_options::has_plugins): New function.
9714         (General_options::plugins): New function.
9715         (General_options::add_plugin): New function.
9716         (General_options::plugins_): New field.
9717         * plugin.cc: New file.
9718         * plugin.h: New file.
9719         * readsyms.cc: Include "plugin.h".
9720         (Read_symbols::do_read_symbols): Check for archive before checking
9721         for ELF file.  Call plugin hooks to claim files.
9722         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
9723         from a real object file; force override when processing replacement
9724         files.
9725         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
9726         (Symbol::init_base_object): Likewise.
9727         (Symbol::init_base_output_data): Likewise.
9728         (Symbol::init_base_output_segment): Likewise.
9729         (Symbol::init_base_constant): Likewise.
9730         (Symbol::init_base_undefined): Likewise.
9731         (Symbol::output_section): Assert that object is not a plugin.
9732         (Symbol_table::add_from_pluginobj): New function.
9733         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
9734         undefined.
9735         (Symbol_table::sized_write_globals): Likewise.
9736         (Symbol_table::add_from_pluginobj): Instantiate template.
9737         * symtab.h (Sized_pluginobj): Declare.
9738         (Symbol::in_real_elf): New function.
9739         (Symbol::set_in_real_elf): New function.
9740         (Symbol::in_real_elf_): New field.
9741         (Symbol_table::add_from_pluginobj): New function.
9742
9743         * testsuite/Makefile.am (AM_CFLAGS): New variable.
9744         (LIBDL): New variable.
9745         (LDADD): Add LIBDL.
9746         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
9747         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
9748         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
9749         (MOSTLYCLEANFILES): Likewise.
9750         * testsuite/Makefile.in: Regenerate.
9751         * testsuite/plugin_test.c: New file.
9752         * testsuite/plugin_test_1.sh: New file.
9753         * testsuite/plugin_test_2.sh: New file.
9754
9755 2008-09-16  Ian Lance Taylor  <iant@google.com>
9756
9757         * target-reloc.h (relocate_section): Check whether a symbol is
9758         defined by the ABI before reporting an undefined symbol error.
9759         * target.h (Target::is_defined_by_abi): Make parameter const.
9760         (Target::do_is_defined_by_abi): Likewise.
9761         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
9762         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
9763         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
9764         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
9765         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
9766         * testsuite/Makefile.in: Rebuild.
9767
9768         * fileread.cc (make_view): Add casts to avoid warning.
9769
9770 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9771
9772         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
9773         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9774
9775 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
9776
9777         * options.h (General_options::output_is_executable): New.
9778         (General_options::output_is_pie): New.
9779         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
9780         for shared libraries.
9781         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9782
9783 2008-09-11  Chris Demetriou  <cgd@google.com>
9784
9785         * options.h (origin): New -z option.
9786         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
9787         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
9788         in DT_FLAGS_1.
9789
9790 2008-09-05  Cary Coutant  <ccoutant@google.com>
9791
9792         * fileread.cc (File_read::make_view): Add check for attempt to map
9793         beyond end of file.
9794
9795 2008-09-05  Cary Coutant  <ccoutant@google.com>
9796
9797         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
9798         explicit instantiations.
9799
9800 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
9801
9802         PR gold/6858
9803         * options.cc (General_options::finalize): Allow undefined symbols
9804         in shlibs if linking -shared.
9805
9806         PR gold/6859
9807         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
9808         symbols as not needing a dynsym entry.
9809
9810 2008-08-20  Craig Silverstein  <csilvers@google.com>
9811
9812         * fileread.cc (File_read::open): Do not lock the file unless it
9813         was successfully opened.
9814
9815 2008-08-14  Cary Coutant  <ccoutant@google.com>
9816
9817         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
9818         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
9819         * testsuite/tls_test.cc (struct int128): 128-bit struct
9820         for testing TLS relocs with non-zero addend.
9821         (v12): New TLS variable.
9822         (t12): New test.
9823         (t_last): Add check for v12.
9824         * testsuite/tls_test.h (t12): New function.
9825         * testsuite/tls_test_main.cc (thread_routine): Call new test.
9826
9827 2008-08-13  Ian Lance Taylor  <iant@google.com>
9828
9829         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
9830         set tls_segment_ or relro_segment_.
9831         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
9832         when appropriate.
9833         * output.h (Output_section::clear_is_relro): New function.
9834         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
9835         sections specially even when output_data_ is empty.
9836         (Output_segment::maximum_alignment): When first section is relro,
9837         only force alignment for PT_LOAD segments.
9838         * script.cc (script_data_segment_align): New function.
9839         (script_data_segment_relro_end): New function.
9840         * script-c.h (script_data_segment_align): Declare.
9841         (script_data_segment_relro_end): Declare.
9842         * script-sections.h (class Script_sections): Declare
9843         data_segment_align and data_segment_relro_end.  Add fields
9844         segment_align_index_ and saw_relro_end_.
9845         * script-sections.cc (class Sections_element): Add set_is_relro
9846         virtual function.  Add new bool* parameter to place_orphan_here.
9847         Add get_output_section virtual function.
9848         (class Output_section_definition): Add set_is_relro.  Add new
9849         bool* parameter to place_orphan_here.  Add get_output_section.
9850         Add is_relro_ field.
9851         (Output_section_definition::Output_section_definition): Initialize
9852         evaluated_address_, evaluated_load_address, evaluated_addralign_,
9853         and is_relro_ fields.
9854         (Output_section_definition::place_orphan_here): Add is_relro
9855         parameter.
9856         (Output_section_definition::set_section_addresses): Set relro for
9857         output section.
9858         (Output_section_definition::alternate_constraint): Likewise.
9859         (class Orphan_output_section): Add new bool* parameter to
9860         place_orphan_here.  Add get_output_section.
9861         (Orphan_output_section::place_orphan_here): Add is_relro
9862         parameter.
9863         (Script_sections::Script_sections): Initialize
9864         data_segment_align_index_ and saw_relro_end_.
9865         (Script_sections::data_segment_align): New function.
9866         (Script_sections::data_segment_relro_end): New function.
9867         (Script_sections::place_orphan): Set or clear is_relro.
9868         (Script_sections::set_section_addresses): Force alignment of first
9869         TLS section.
9870         * yyscript.y (exp): Call script_data_segment_align and
9871         script_data_segment_relro_end.
9872         * testsuite/relro_script_test.t: New file.
9873         * testsuite/relro_test.cc (using_script): Declare.
9874         (t1, t2): Test using_script.
9875         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
9876         (relro_script_test_SOURCES): Define.
9877         (relro_script_test_DEPENDENCIES): Define.
9878         (relro_script_test_LDFLAGS): Define.
9879         (relro_script_test_LDADD): Define.
9880         (relro_script_test.so): New target.
9881         * testsuite/Makefile.in: Rebuild.
9882
9883 2008-08-06  Cary Coutant <ccoutant@google.com>
9884
9885         * archive.cc (Archive::total_archives, Archive::total_members)
9886         (Archive::total_members_loaded): New variables.
9887         (Archive::setup): Add parameter.  Add option to preread
9888         archive symbols.
9889         (Archive::read_armap): Add counter.
9890         (Archive::get_file_and_offset): New function.
9891         (Archive::get_elf_object_for_member): New function.
9892         (Archive::read_all_symbols): New function.
9893         (Archive::read_symbols): New function.
9894         (Archive::add_symbols): Add counters.
9895         (Archive::include_all_members): Use armap to find members if it's
9896         already built.
9897         (Archive::include_member): Skip reading symbols if already read.
9898         Factored code into Archive::get_file_and_offset and
9899         Archive::get_elf_object_for_member.  Changed call to
9900         Mapfile::report_include_archive_member.
9901         (Archive::print_stats): New function.
9902         * archive.h: Declare Object and Read_symbols_data classes.
9903         (Archive::Archive): Add initializers for new members.
9904         (Archive::setup): Add parameter.
9905         (Archive::print_stats): New function.
9906         (Archive::total_archives, Archive::total_members)
9907         (Archive::total_members_loaded): New variables.
9908         (Archive::get_file_and_offset): New function.
9909         (Archive::get_elf_object_for_member): New function.
9910         (Archive::read_all_symbols): New function.
9911         (Archive::read_symbols): New function.
9912         (Archive::Archive_member): New class.
9913         (Archive::members_): New member.
9914         (Archive::num_members_): New member.
9915         * main.cc: Include archive.h.
9916         (main): Call Archive::print_stats.
9917         * mapfile.cc (Mapfile::report_include_archive_member): Delete
9918         archive parameter; member_name is now the fully-decorated name.
9919         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
9920         * options.h: (General_options): Add --preread-archive-symbols option.
9921         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
9922         Archive::setup.
9923
9924 2008-08-04  Ian Lance Taylor  <iant@google.com>
9925
9926         * symtab.h (Symbol::use_plt_offset): New function.
9927         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
9928         * powerpc.cc (Relocate::relocate): Likewise.
9929         * sparc.cc (Relocate::relocate): Likewise.
9930         * x86_64.cc (Relocate::relocate): Likewise.
9931         * testsuite/weak_plt.sh: New test.
9932         * testsuite/weak_plt_main.cc: New test.
9933         * testsuite/weak_plt_shared.cc: New test.
9934         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
9935         (check_PROGRAMS): Add weak_plt.
9936         (check_DATA): Add weak_plt_shared.so.
9937         (weak_plt_main_pic.o, weak_plt): New targets.
9938         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
9939         * testsuite/Makefile.in: Rebuild.
9940
9941         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
9942         gcctestdir/ld.
9943         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
9944         * testsuite/Makefile.in: Rebuild.
9945
9946 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
9947
9948         * Makefile.am (POTFILES.in): Set LC_ALL=C.
9949         * Makefile.in: Regenerate.
9950         * po/POTFILES.in: Regenerate.
9951
9952 2008-07-29  Ian Lance Taylor  <iant@google.com>
9953
9954         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
9955         symbols before other symbols.
9956         * testsuite/script_test_2.cc (test_addr): Declare.
9957         (test_addr_alias): Declare.
9958         (main): Check that test_addr and test_addr_alias have the right
9959         values.
9960         * testsuite/script_test_2.t: Define test_addr_alias and
9961         test_addr.
9962
9963 2008-07-24  Ian Lance Taylor  <iant@google.com>
9964
9965         PR 5990
9966         * descriptors.cc: New file.
9967         * descriptors.h: New file.
9968         * gold-threads.h (class Hold_optional_lock): New class.
9969         * fileread.cc: Include "descriptors.h".
9970         (File_read::~File_read): Release descriptor rather than closing
9971         it.
9972         (File_read::open) [file]: Call open_descriptor rather than open.
9973         Set is_descriptor_opened_.
9974         (File_read::open) [memory]: Assert that descriptor is not open.
9975         (File_read::reopen_descriptor): New function.
9976         (File_read::release): Release descriptor.
9977         (File_read::do_read): Make non-const.  Reopen descriptor.
9978         (File_read::read): Make non-const.
9979         (File_read::make_view): Reopen descriptor.
9980         (File_read::do_readv): Likewise.
9981         * fileread.h (class File_read): Add is_descriptor_opened_ field.
9982         Update declarations.
9983         * layout.cc: Include "descriptors.h".
9984         (Layout::create_build_id): Use open_descriptor rather than open.
9985         * output.cc: Include "descriptors.h".
9986         (Output_file::open): Use open_descriptor rather than open.
9987         * archive.cc (Archive::const_iterator): Change Archive to be
9988         non-const.
9989         (Archive::begin, Archive::end): Make non-const.
9990         (Archive::count_members): Likewise.
9991         * archive.h (class Archive): Update declarations.
9992         * object.h (Object::read): Make non-const.
9993         * Makefile.am (CCFILES): Add descriptors.cc.
9994         (HFILES): Add descriptors.h.
9995         * Makefile.in: Rebuild.
9996
9997         PR 6716
9998         * gold.h: Always include <clocale>.  Add Solaris workarounds
9999         following code in binutils/sysdep.h.
10000
10001         PR 6048
10002         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10003         this->eh_frame_hdr_ is NULL before using it.
10004
10005         * dynobj.cc (Versions::Versions): Update comment.
10006
10007         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10008         the base version name.
10009
10010         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10011         array size plus one.
10012         (Stringpool_template::set_string_offsets): Subtract one from key
10013         before using it as an array index.
10014         (Stringpool_template::get_offset_with_length): Likewise.
10015         (Stringpool_template::write_to_buffer): Likewise.
10016         * stringpool.h (Stringpool_template::get_offset_from_key):
10017         Likewise.
10018
10019 2008-07-23  Ian Lance Taylor  <iant@google.com>
10020
10021         PR 6658
10022         * object.h (Merged_symbol_value::value): Do our best to handle a
10023         negative addend.
10024
10025         PR 6647
10026         * script.cc (Version_script_info::get_versions): Don't add empty
10027         version tag to return value.
10028         (Version_script_info::get_symbol_version_helper): Change return
10029         type to bool.  Add pversion parameter.  Change all callers.
10030         (script_register_vers_node): Don't require a non-NULL tag.
10031         * script.h (class Version_script_info): Update declarations.
10032         (Version_script_info::get_symbol_version): Change return type to
10033         bool.  Add version parameter.  Change all callers.
10034         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10035         handling.  Handle an empty version from a version script.
10036         (Symbol_table::define_special_symbol): Likewise.
10037         * testsuite/ver_test_10.script: New file.
10038         * testsuite/ver_test_10.sh: New file.
10039         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10040         (check_DATA): Add ver_test_10.syms.
10041         (ver_test_10.syms, ver_test_10.so): New target.
10042         * testsuite/Makefile.in: Rebuild.
10043
10044 2008-07-23  Simon Baldwin  <simonb@google.com>
10045
10046         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10047         to zero for undefined symbols from dynamic libraries.
10048
10049 2008-07-23  Ian Lance Taylor  <iant@google.com>
10050
10051         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10052         Change all callers.
10053         * symtab.h (class Symbol_table): Update declaration.
10054         * testsuite/ver_test_9.cc: New file.
10055         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10056         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10057         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10058         (ver_test_9.so, ver_test_9.o): New targets.
10059         * testsuite/Makefile.in: Rebuild.
10060
10061 2008-07-22  Ian Lance Taylor  <iant@google.com>
10062
10063         * options.h (class General_options): Define --check-sections.
10064         * layout.cc (Layout::set_segment_offsets): Handle
10065         --check-sections.
10066
10067         * options.h (class General_options): Define -n/--nmagic and
10068         -N/--omagic.
10069         * options.cc (General_options::finalize): For -n/--nmagic or
10070         -N/--omagic, set -static.
10071         * layout.cc (Layout::attach_allocated_section_to_segment): If
10072         -N/--omagic, don't put read-only and read-write sections in
10073         different segments.
10074         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10075         finding a read-only segment.
10076         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10077         don't set the minimum segment alignment to the common page size,
10078         and don't set the file offset to the address modulo the page size.
10079         * script-sections.cc (Script_sections::create_segments): If
10080         -n/--omagic, don't put read-only and read-write sections in
10081         different segments.
10082
10083         * cref.cc: New file.
10084         * cref.h: New file.
10085         * options.h (class General_options): Add --print-symbol-counts.
10086         * main.cc (main): Issue defined symbol report if requested.
10087         * archive.cc (Archive::interpret_header): Make into a const member
10088         function.
10089         (Archive::add_symbols): Call Input_objects::archive_start and
10090         archive_stop.
10091         (Archive::const_iterator): Define new class.
10092         (Archive::begin, Archive::end): New functions.
10093         (Archive::include_all_members): Rewrite to use iterator.
10094         (Archive::count_members): New function.
10095         * archive.h (class Archive): Update declarations.
10096         (Archive::filename): New function.
10097         * object.cc: Include "cref.h".
10098         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10099         (Sized_relobj::do_get_global_symbol_counts): New function.
10100         (Input_objects::add_object): Add object to cross-referencer.
10101         (Input_objects::archive_start): New function.
10102         (Input_objects::archive_stop): New function.
10103         (Input_objects::print_symbol_counts): New function.
10104         * object.h: Declare Cref and Archive.
10105         (Object::get_global_symbol_counts): New function.
10106         (Object::do_get_global_symbol_counts): New pure virtual function.
10107         (class Sized_relobj): Add defined_count_ field.  Update
10108         declarations.
10109         (class Input_objects): Add cref_ field.  Update constructor.
10110         Update declarations.
10111         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10112         defined_count_.
10113         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10114         symbol counts.
10115         (Sized_dynobj::do_get_global_symbol_counts): New function.
10116         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10117         defined_count_.  Update declarations.  Define Symbols typedef.
10118         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10119         parameter.  Change all callers.
10120         (Symbol_table::add_from_dynobj): Add sympointers and defined
10121         parameters.  Change all callers.
10122         * symtab.h (class Symbol_table): Update declarations.
10123         * Makefile.am (CCFILES): Add cref.cc.
10124         (HFILES): Add cref.h.
10125         * Makefile.in: Rebuild.
10126
10127 2008-07-22  Simon Baldwin  <simonb@google.com>
10128
10129         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10130         to zero when writing undefined symbols.
10131
10132 2008-07-22  Ian Lance Taylor  <iant@google.com>
10133
10134         * output.cc (Output_section::add_input_section): Don't try to
10135         merge empty merge sections.
10136
10137 2008-07-21  Craig Silverstein  <csilvers@google.com>
10138
10139         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10140         Include symbol version in error message.
10141
10142 2008-07-20  Chris Demetriou  <cgd@google.com>
10143
10144         * configure.ac (gold_cv_c_random_seed): New configured variable.
10145         (RANDOM_SEED_CFLAGS): New substituted variable.
10146         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10147         * configure: Rebuild.
10148         * Makefile.in: Likewise.
10149         * testsuite/Makefile.in: Likewise.
10150
10151 2008-07-18  Ian Lance Taylor  <iant@google.com>
10152
10153         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10154         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10155         * testsuite/ver_test_main.cc (main): Call t4.
10156         (t4, t4_2a): Define.
10157         * testsuite/ver_test_2.cc (t4_2): Define.
10158         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10159         * testsuite/ver_test_4.cc (t4_2a): Define.
10160         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10161         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10162
10163 2008-07-17  Ian Lance Taylor  <iant@google.com>
10164
10165         * dynobj.cc (Versions::add_def): If we give an error about a
10166         missing version, go ahead and create the version anyhow.
10167
10168 2008-07-10  Ian Lance Taylor  <iant@google.com>
10169
10170         Handle output sections with more than 0x7fffffff bytes.
10171         * object.h (class Relobj): Change map_to_output_ to
10172         output_sections_, and just keep a section pointer.  Change all
10173         uses.  Move comdat group support to Sized_relobj.
10174         (Relobj::is_section_specially_mapped): Remove.
10175         (Relobj::output_section): Remove poff parameter.  Change all
10176         callers.
10177         (Relobj::output_section_offset): New function.
10178         (Relobj::set_section_offset): Rewrite.
10179         (Relobj::map_to_output): Remove.
10180         (Relobj::output_sections): New function.
10181         (Relobj::do_output_section_offset): New pure virtual function.
10182         (Relobj::do_set_section_offset): Likewise.
10183         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10184         group support from Relobj.  Update declarations.
10185         (Sized_relobj::get_output_section_offset): New function.
10186         (Sized_relobj::do_output_section_offset): New function.
10187         (Sized_relobj::do_set_section_offset): New function.
10188         * object.cc (Relobj::output_section_address): Remove.
10189         (Sized_relobj::Sized_relobj): Initialize new fields.
10190         (Sized_relobj::include_section_group): Cast find_kept_object to
10191         Sized_relobj.
10192         (Sized_relobj::include_linkonce_section): Likewise.
10193         (Sized_relobj::do_layout): Use separate arrays for output section
10194         and output offset.
10195         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10196         output_sections.
10197         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10198         output_sections and section_offsets.
10199         (Sized_relobj::write_local_symbols): Likewise.
10200         (map_to_kept_section): Compute output address directly.
10201         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10202         output_sections and section_offsets.
10203         (Sized_relobj::write_sections): Likewise.
10204         (Sized_relobj::relocate_sections): Likewise.
10205         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10206         * output.h (class Output_reloc): Update declarations.  Change
10207         u2_.relobj to Sized_relobj*.
10208         (class Output_data_reloc): Change add functions to use
10209         Sized_relobj*.
10210         * output.cc (Output_reloc::Output_reloc): Change relobj to
10211         Sized_relobj*.
10212         (Output_reloc::local_section_offset): Change return type to
10213         Elf_Addr.  Use get_output_section_offset.
10214         (Output_reloc::get_address): Likewise.
10215         (Output_section::is_input_address_mapped): Don't call
10216         is_section_specially_mapped.
10217         (Output_section::output_offset): Likewise.
10218         (Output_section::output_address): Likewise.
10219         (Output_section::starting_output_address): Likewise.
10220         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10221         parameter to Sized_relobj*.
10222         (Copy_relocs::need_copy_reloc): Likewise.
10223         (Copy_relocs::save): Likewise.
10224         * copy-relocs.h (class Copy_relocs): Update declarations.
10225         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10226         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10227         * target-reloc.h (relocate_for_relocatable): Change
10228         offset_in_output_section type to Elf_Addr.  Change code that uses
10229         it as well.
10230         * layout.cc (Layout::layout): Always set *off.
10231         * mapfile.cc (Mapfile::print_input_section): Use
10232         output_section_offset.
10233         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10234         Sized_relobj*.
10235         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10236         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10237         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10238
10239 2008-07-03  Ian Lance Taylor  <iant@google.com>
10240
10241         * layout.cc (Layout::include_section): Do not discard unrecognized
10242         SHT_STRTAB sections.
10243
10244 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10245
10246         * script.cc (Lex::can_continue_name): Make '?' allowable in
10247         version-script names.
10248         * testsuite/version_script.map: Change glob pattern to use '?'
10249
10250 2008-06-30  Manish Singh  <yosh@gimp.org>
10251
10252         PR 6585
10253         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10254         Correct typo.
10255
10256 2008-06-30  Ian Lance Taylor  <iant@google.com>
10257
10258         PR 6660
10259         PR 6682
10260         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10261         versions]: Don't try to read the value in the contents, since we
10262         don't use it.  Use the template endianness when writing.
10263
10264 2008-06-25  Cary Coutant  <ccoutant@google.com>
10265
10266         * fileread.cc (File_read::make_view): Assert on zero-length view.
10267         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10268         symbol table when there are no symbols to read.
10269
10270 2008-06-23  Craig Silverstein  <csilvers@google.com>
10271
10272         * version.cc (version_string): Bump to 1.7
10273
10274 2008-06-18  Craig Silverstein  <csilvers@google.com>
10275
10276         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10277         constant 0xFFFF to type Valtype.
10278         (Powerpc_relocate_functions::rel16_ha): Likewise.
10279
10280 2008-06-17  Ian Lance Taylor  <iant@google.com>
10281
10282         * output.h (Output_section::Input_section): Initialize p2align_ to
10283         zero for Output_section_data constructors.
10284         (Output_section::Input_section::addralign): If not an input
10285         section, return the alignment of the Output_section_data.
10286         * testsuite/copy_test.cc: New file.
10287         * testsuite/copy_test_1.cc: New file.
10288         * testsuite/copy_test_2.cc: New file.
10289         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10290         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10291         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10292         (copy_test_1_pic.o, copy_test_1.so): New targets.
10293         (copy_test_2_pic.o, copy_test_2.so): New targets.
10294         * testsuite/Makefile.in: Rebuild.
10295
10296         * script-sections.cc (Script_sections::place_orphan): Initialize
10297         local variable exact.
10298
10299 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10300
10301         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10302
10303 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10304             David S. Miller  <davem@davemloft.net>
10305
10306         * powerpc.cc: New file.
10307         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10308         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10309         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10310         * Makefile.in: Rebuild.
10311
10312 2008-06-09  Ian Lance Taylor  <iant@google.com>
10313
10314         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10315         <exception>.
10316         (throwing, orig_terminate): New static variables.
10317         (terminate_handler): New static function.
10318         (t2): Set terminate handler.
10319
10320 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10321
10322         PR 6584
10323         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10324         alignment.
10325
10326 2008-05-30  Cary Coutant  <ccoutant@google.com>
10327
10328         * archive.cc (Archive::include_all_members) Correct to step
10329         over symbol table and extended name table in thin archives.
10330
10331 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10332
10333         PR 6407
10334         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10335         calculation.
10336
10337 2008-05-28  Caleb Howe  <cshowe@google.com>
10338
10339         * reduced_debug_output.cc: New file.
10340         * reduced_debug_output.h: New file.
10341         * options.h (class General_options): Add --strip-debug-non-line.
10342         * options.cc (General_options::finalize): Add strip_debug_non_line
10343         to the strip heirarchy.
10344         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10345         fields.
10346         * layout.cc: Include "reduced_debug_output.h".
10347         (Layout::Layout): Initialize new fields.
10348         (line_only_debug_sections): New static array.
10349         (is_lines_only_debug_sections): New static inline function.
10350         (Layout::include_section): Handle --strip-debug-non-line.
10351         (Layout::make_output_section): If --strip-debug-non-line, build
10352         new output sections for .debug_abbrev and .debug_info.
10353         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10354         gold.  Warn about possible overflow.
10355         (read_signed_LEB_128): Likewise.
10356         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10357         (read_signed_LEB_128): Declare.
10358         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10359         (HFILES): Add reduced_debug_output.h.
10360         * Makefile.in: Rebuild.
10361
10362 2008-05-21  Ian Lance Taylor  <iant@google.com>
10363
10364         * mapfile.cc: New file.
10365         * mapfile.h: New file.
10366         * options.h (class General_options): Add -M/--print-map and -Map.
10367         * options.cc (General_options::finalize): Make -M equivalent to
10368         -Map -.
10369         * main.cc: Include <cstdio> and "mapfile.h".
10370         (main): Open mapfile if requested.
10371         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10372         constructor.  Change caller.
10373         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10374         (queue_middle_tasks): Likewise.
10375         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10376         declarations.
10377         * archive.cc: Include "mapfile.h".
10378         (Archive::add_symbols): Add mapfile parameter.  Change all
10379         callers.  Pass mapfile, symbol, and reason to include_member.
10380         (Archive::include_all_members): Add mapfile parameter.  Change all
10381         callers.
10382         (Archive::include_member): Add mapfile, sym, and why parameters.
10383         Change all callers.  Report inclusion to map file.
10384         * archive.h: Include "fileread.h".
10385         (class Archive): Update declarations.
10386         (Archive::file): New const method.
10387         (class Add_archive_symbols): Add mapfile_ field.  Update
10388         constructor.  Change all callers.
10389         * readsyms.h (class Read_symbols): Likewise.
10390         (class Finish_group): Likewise.
10391         (class Read_script): Likewise.
10392         * common.cc: Include "mapfile.h".
10393         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10394         all callers.
10395         (Symbol_table::do_allocate_commons): Likewise.
10396         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10397         symbol allocation to mapfile.
10398         * common.h (class Allocate_commons_task): Add mapfile_ field.
10399         Update constructor.  Change all callers.
10400         * symtab.h (class Symbol_table): Update declarations.
10401         * layout.cc: Include "mapfile.h".
10402         (Layout_task_runner::run): Print information to mapfile.
10403         (Layout::create_gold_note): Change Output_data_fixed_space to
10404         Output_data_zero_fill.
10405         (Layout::create_build_id): Likewise.
10406         (Layout::print_to_mapfile): New function.
10407         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10408         constructor.  Change caller.
10409         (class Layout): Declare print_to_mapfile.
10410         * output.cc (Output_section::Input_section::print_to_mapfile): New
10411         function.
10412         (Output_section::add_input_section): If producing a map, always
10413         add to input_sections_ list.
10414         (Output_section::do_print_to_mapfile): New function.
10415         (Output_segment::print_sections_to_mapfile): New function.
10416         (Output_segment::print_section_list_to_mapfile): New function.
10417         * output.h: Include "mapfile.h".
10418         (Output_data::print_to_mapfile): New function.
10419         (Output_data::do_print_to_mapfile): New virtual function.
10420         (Output_segment_headers::do_print_to_mapfile): New function.
10421         (Output_file_header::do_print_to_mapfile): New function.
10422         (Output_data_const::do_print_to_mapfile): New function.
10423         (class Output_data_const_buffer): Add map_name_ field.  Update
10424         constructor.  Change all callers.  Add do_print_to_mapfile
10425         function.
10426         (class Output_data_fixed_space): Likewise.
10427         (class Output_data_space): Likewise.
10428         (class Output_data_zero_fill): New class.
10429         (Output_data_strtab::do_print_to_mapfile): New function.
10430         (Output_data_reloc_base::do_print_to_mapfile): New function.
10431         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10432         (Output_data_group::do_print_to_mapfile): New function.
10433         (Output_data_got::do_print_to_mapfile): New function.
10434         (Output_data_dynamic::do_print_to_mapfile): New function.
10435         (Output_symtab_xindex::do_print_to_mapfile): New function.
10436         (class Output_section): Declare do_print_to_mapflie.  Declare
10437         print_to_mapfile in Input_section.
10438         (class Output_segment): Declare new functions.
10439         * object.h (Sized_relobj::symbol_count): New function.
10440         * script-sections.cc
10441         (Output_section_element_dot_assignment::set_section_addresses):
10442         Change Output_data_fixed_space to Output_data_zero_fill.
10443         (Output_data_expression::do_print_to_mapfile): New function.
10444         * script.cc (read_input_script): Add mapfile parameter.  Change
10445         all callers.
10446         * script.h (read_input_script): Update declaration.
10447         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10448         (Eh_frame::do_print_to_mapfile): New function.
10449         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10450         (Output_merge_string::do_print_to_mapfile): New function.
10451         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10452         function.
10453         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10454         function.
10455         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10456         function.
10457         * Makefile.am (CCFILES): Add mapfile.cc.
10458         (HFILES): Add mapfile.h.
10459         * Makefile.in: Rebuild.
10460
10461 2008-05-19  Ian Lance Taylor  <iant@google.com>
10462
10463         * options.h (class General_options): Add -z relro.
10464         * layout.cc (Layout::Layout): Initialize relro_segment_.
10465         (Layout::add_output_section_data): Return the output section.
10466         (Layout::make_output_section): Rcognize relro sections and mark
10467         them appropriately.
10468         (Layout::attach_allocated_section_to_segment): Put relro sections
10469         in a PT_GNU_RELRO segment.
10470         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10471         section as relro.
10472         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10473         PT_TLS segments.
10474         (Layout::linkonce_mapping): Map d.rel.ro.local to
10475         .data.rel.ro.local.
10476         (Layout::output_section_name): Us .data.rel.ro.local for any
10477         section which begins with that.
10478         * layout.h (class Layout): Update add_output_section_data
10479         declaration.  Add relro_segment_ field.
10480         * output.cc (Output_section::Output_section): Initialize is_relro_
10481         and is_relro_local_ fields.
10482         (Output_segment::add_output_section): Group relro sections.
10483         (Output_segment::is_first_section_relro): New function.
10484         (Output_segment::maximum_alignment): If there is a relro section,
10485         align the segment to the common page size.
10486         (Output_segment::set_section_addresses): Track whether we are
10487         looking at relro sections.  If the last section is a relro
10488         section, align to the common page size.
10489         (Output_segment::set_section_list_addresses): Add in_relro
10490         parameter.  Change all callers.  Align to the page size when
10491         moving from relro to non-relro section.
10492         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10493         segment.
10494         * output.h (class Output_section): Add is_relro_ and
10495         is_relro_local_ fields.
10496         (Output_section::is_relro): New function.
10497         (Output_section::set_is_relro): New function.
10498         (Output_section::is_relro_local): New function.
10499         (Output_section::set_is_relro_local): New function.
10500         (class Output_segment): Update declarations.
10501         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10502         * sparc.cc (Target_sparc::got_section): Likewise.
10503         * x86_64.cc (Target_x86_64::got_section): Likewise.
10504         * testsuite/relro_test_main.cc: New file.
10505         * testsuite/relro_test.cc: New file.
10506         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10507         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10508         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10509         (relro_test.so, relro_test_pic.o): New targets.
10510         * testsuite/Makefile.in: Rebuild.
10511
10512 2008-05-16  Ian Lance Taylor  <iant@google.com>
10513
10514         * output.cc (Output_segment::add_output_section): Remove front
10515         parameter.
10516         * output.h (class Output_segment): Remove
10517         add_initial_output_section and overloaded add_output_section.
10518         Update declaration of remaining add_output_section.
10519         * layout.cc (Layout::create_interp): Call add_output_section
10520         rather than add_initial_output_section.
10521         (Layout::finish_dynamic_section): Likewise.
10522
10523         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10524         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10525         know the dynamic type.
10526         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10527         field.  Initialize it in constructor.
10528         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10529         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10530         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10531         reloc.
10532
10533         * output.cc (Output_reloc::get_address): Change return type to
10534         Elf_Addr.
10535         * output.h (class Output_reloc): Update get_address declaration.
10536         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10537         for section addresses.
10538
10539 2008-05-09  Ian Lance Taylor  <iant@google.com>
10540
10541         PR 6493
10542         * gold.cc (gold_nomem): Use return value of write.
10543
10544 2008-05-08  Ian Lance Taylor  <iant@google.com>
10545
10546         * symtab.c (Symbol::init_base_output_data): Add version
10547         parameter.  Change all callers.
10548         (Symbol::init_base_output_segment): Likewise.
10549         (Symbol::init_base_constant): Likewise.
10550         (Symbol::init_base_undefined): Likewise.
10551         (Sized_symbol::init_output_data): Likewise.
10552         (Sized_symbol::init_output_segment): Likewise.
10553         (Sized_symbol::init_constant): Likewise.
10554         (Sized_symbol::init_undefined): Likewise.
10555         (Symbol_table::do_define_in_output_data): If the new symbol has a
10556         version, mark it as the default.
10557         (Symbol_table::do_define_in_output_segment): Likewise.
10558         (Symbol_table::do_define_as_constant): Likewise.
10559         * symtab.h (class Symbol): Update declarations.
10560         (class Sized_symbol): Likewise.
10561         * resolve.cc (Symbol::override_version): New function.
10562         (Symbol::override_base): Call override_version.
10563         (Symbol::override_base_with_special): Likewise.
10564         * testsuite/ver_script_8.script: New file.
10565         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10566         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10567         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10568         (ver_test_8_1.so, ver_test_8_2.so): New targets.
10569
10570 2008-05-06  Ian Lance Taylor  <iant@google.com>
10571
10572         PR 6049
10573         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10574         functions.
10575         (class General_options): Remove existing --undefined, and add
10576         --no-undefined instead.  Add new --undefined as synonym for -u.
10577         * archive.cc (Archive::add_symbols): Check whether symbol was
10578         named with -u.
10579         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10580         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10581         all uses.  Add IS_UNDEFINED.  Update declarations to split
10582         different versions of init_base.  Declare init_base_undefined.
10583         (Symbol::is_defined): Handle IS_UNDEFINED.
10584         (Symbol::is_undefined): Likewise.
10585         (Symbol::is_weak_undefined): Call is_undefined.
10586         (Symbol::is_absolute): Handle IS_CONSTANT.
10587         (class Sized_symbol): Update declarations to split different
10588         versions of init.  Declare init_undefined.
10589         (class Symbol_table): Declare new functions.
10590         * symtab.cc (Symbol::init_base_object): Rename from init_base.
10591         Change all callers.
10592         (Symbol::init_base_output_data): Likewise.
10593         (Symbol::init_base_output_segment): Likewise.
10594         (Symbol::init_base_constant): Likewise.
10595         (Symbol::init_base_undefined): New function.
10596         (Sized_symbol::init_object): Rename from init.  Change all
10597         callers.
10598         (Sized_symbol::init_output_data): Likewise.
10599         (Sized_symbol::init_output_segment): Likewise.
10600         (Sized_symbol::init_constant): Likewise.
10601         (Sized_symbol::init_undefined): New function.
10602         (Symbol_table::add_undefined_symbols_from_command_line): New
10603         function.
10604         (Symbol_table::do_add_undefined_symbols_from_command_line): New
10605         function.
10606         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
10607         (Symbol::output_section): Likewise.
10608         (Symbol::set_output_section): Likewise.
10609         (Symbol_table::sized_finalize_symbol): Likewise.
10610         (Symbol_table::sized_write_globals): Likewise.
10611         * resolve.cc (Symbol_table::should_override): Likewise.
10612         (Symbol::override_base_with_special): Likewise.
10613
10614         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
10615         symbol, change it to have default visibility.
10616         * testsuite/protected_1.cc: New file.
10617         * testsuite/protected_2.cc: New file.
10618         * testsuite/protected_3.cc: New file.
10619         * testsuite/protected_main_1.cc: New file.
10620         * testsuite/protected_main_2.cc: New file.
10621         * testsuite/protected_main_3.cc: New file.
10622         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
10623         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
10624         (protected_1_LDFLAGS, protected_1_LDADD): Define.
10625         (protected_1.so): New target.
10626         (protected_1_pic.o, protected_2_pic.o): New targets.
10627         (protected_3_pic.o): New target.
10628         (check_PROGRAMS): Add protected_2.
10629         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
10630         (protected_2_LDFLAGS, protected_2_LDADD): Define.
10631         * testsuite/Makefile.in: Rebuild.
10632
10633         * options.h (DEFINE_var): Add set_user_set_##varname__.
10634         (DEFINE_bool_alias): New macro.
10635         (class General_options): Define -Bstatic using DEFINE_bool_alias
10636         rather than DEFINE_special.  Add --undefined as an alias for -z
10637         defs.
10638         * options.cc (General_options::parse_Bstatic): Remove.
10639
10640         * options.h (class General_options): Add --fatal-warnings.
10641         * main.cc (main): Implement --fatal-warnings.
10642         * errors.h (Errors::warning_count): New function.
10643
10644         * options.h (class General_options): Add -Bsymbolic-functions.
10645         * symtab.h (Symbol::is_preemptible): Check for
10646         -Bsymbolic-functions.
10647
10648 2008-05-05  Ian Lance Taylor  <iant@google.com>
10649
10650         * options.h (DEFINE_bool): For DASH_Z, create the negative option
10651         as noVARNAME rather than no-VARNAME.
10652         (class General_options): Add option -z combreloc.
10653         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
10654         get_address.
10655         (Output_reloc::sort_before) [SHT_REL]: New function.
10656         (Output_reloc::sort_before) [SHT_RELA]: New function.
10657         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
10658         Sort_relocs_comparison.
10659         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
10660         parameter.  Change all callers.
10661         (Output_data_reloc::Output_data_reloc) [both versions]: Add
10662         sort_relocs parameter.  Change all callers.
10663         * output.cc (Output_reloc::get_address): New function, broken out
10664         of write_rel.
10665         (Output_reloc::write_rel): Call it.
10666         (Output_reloc::compare): New function.
10667         (Output_data_reloc_base::do_write): Optionally sort relocs.
10668
10669         * configure.ac: If targ_extra_obj is set, link it in.
10670         * configure.tgt: Initialize all variables.
10671         (x86_64*): Set targ_extra_obj and targ_extra_size.
10672         * configure: Rebuild.
10673
10674         * object.cc (Sized_relobj::include_section_group): Adjust section
10675         indexes read from group data.  Build vector to pass to
10676         layout_group.
10677         * layout.cc (Layout::layout_group): Add flags and shndxes
10678         parameters.  Remove contents parameter.  Change caller.  Update
10679         explicit instantiations.
10680         * layout.h (class Layout): Update layout_group declaration.
10681         * output.cc (Output_data_group::Output_data_group): Add flags and
10682         input_shndxes parameters.  Remove contents parameter.  Change
10683         caller.
10684         (Output_data_group::do_write): Change input_sections_ to
10685         input_shndxes_.
10686         * output.h (class Output_data_group): Update constructor
10687         declaration.  Rename input_sections_ to input_shndxes_.
10688         * testsuite/many_sections_test.cc: Add template.
10689
10690 2008-04-30  Cary Coutant  <ccoutant@google.com>
10691
10692         * target-reloc.h (relocate_section): Fix dead-pointer bug.
10693
10694         * layout.cc (Layout::include_section): Refactored check for debug
10695         info section.
10696         (Layout::add_comdat): Add new parameters.  Change type
10697         of signature parameter.  Add object and shndx to signatures table.
10698         (Layout::find_kept_object): New function.
10699         * layout.h: Include <cstring>.
10700         (Layout::is_debug_info_section): New function.
10701         (Layout::add_comdat): Add new parameters.
10702         (Layout::find_kept_object): New function.
10703         (Layout::Kept_section): New struct.
10704         (Layout::Signatures): Change type of map range.
10705         * object.cc (Relobj::output_section_address): New function.
10706         (Sized_relobj::include_section_group): Add new parameters.  Change
10707         calls to Layout::add_comdat.  Change to build table of kept comdat
10708         groups and table mapping discarded sections to kept sections.
10709         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
10710         (Sized_relobj::do_layout): Change calls to include_section_group and
10711         include_linkonce_section.
10712         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
10713         value to zero when section is discarded.
10714         (Sized_relobj::map_to_kept_section): New function.
10715         * object.h (Relobj::output_section_address): New function.
10716         (Relobj::Comdat_group): New type.
10717         (Relobj::find_comdat_group): New function.
10718         (Relobj::Comdat_group_table): New type.
10719         (Relobj::Kept_comdat_section): New type.
10720         (Relobj::Kept_comdat_section_table): New type.
10721         (Relobj::add_comdat_group): New function.
10722         (Relobj::set_kept_comdat_section): New function.
10723         (Relobj::get_kept_comdat_section): New function.
10724         (Relobj::comdat_groups_): New field.
10725         (Relobj::kept_comdat_sections_): New field.
10726         (Symbol_value::input_value): Update comment.
10727         (Sized_relobj::map_to_kept_section) New function.
10728         (Sized_relobj::include_linkonce_section): Add new parameter.
10729         * target-reloc.h (Comdat_behavior): New type.
10730         (get_comdat_behavior): New function.
10731         (relocate_section): Add code to map a discarded section to the
10732         corresponding kept section when applying a relocation.
10733
10734 2008-04-30  Craig Silverstein  <csilvers@google.com>
10735
10736         * dwarf_reader.cc (next_generation_count): New static var.
10737         (Addr2line_cache_entry): New struct.
10738         (addr2line_cache): New static var.
10739         (Dwarf_line_info::one_addr2line): Added caching.
10740         (Dwarf_line_info::clear_addr2line_cache): New function.
10741         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
10742         cache-size parameter.
10743         (Dwarf_line_info::one_addr2line_cache): New function.
10744         * symtab.cc (Symbol_table::detect_odr_violations): Pass
10745         new cache-size argument to one_addr2line(), and clear cache.
10746
10747 2008-04-28  Cary Coutant  <ccoutant@google.com>
10748
10749         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
10750         R_386_PC8 relocations.
10751
10752 2008-04-23  Ian Lance Taylor  <iant@google.com>
10753
10754         * object.cc (Sized_relobj::include_section_group): Check for
10755         invalid section group.
10756
10757         * object.cc (make_elf_object): Correct test for 64-bit ELF file
10758         header size.
10759
10760         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
10761         than read for file header.
10762         * archive.cc (Archive::include_member): Likewise.
10763
10764 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
10765
10766         * aclocal.m4: Regenerate.
10767         * configure: Regenerate.
10768
10769 2008-04-19  Ian Lance Taylor  <iant@google.com>
10770
10771         * version.cc (version_string): Bump to 1.6.
10772
10773         * testsuite/Makefile.am (many_sections_r_test): New target.
10774         (many_sections_r_test_SOURCES): Remove.
10775         (many_sections_r_test_DEPENDENCIES): Remove.
10776         (many_sections_r_test_LDFLAGS): Remove.
10777         (many_sections_r_test_LDADD): Remove.
10778
10779         * object.cc (Sized_relobj::do_add_symbols): Always pass
10780         local_symbol_count_ to add_from_relobj.
10781
10782         * testsuite/Makefile.am (many_sections_check.h): Only check one in
10783         every thousand variables.
10784         * testsuite/Makefile.in: Rebuild.
10785
10786         * object.cc (Xindex::initialize_symtab_xindex): New function.
10787         (Xindex::read_symtab_xindex): New function.
10788         (Xindex::sym_xindex_to_shndx): New function.
10789         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
10790         available.
10791         (Sized_relobj::do_initialize_xindex): New function.
10792         (Sized_relobj::do_read_symbols): Adjust section links.
10793         (Sized_relobj::symbol_section_and_value): Add is_ordinary
10794         parameter.  Change all callers.
10795         (Sized_relobj::include_section_group): Adjust section links and
10796         symbol section indexes.
10797         (Sized_relobj::do_layout): Adjust section links.
10798         (Sized_relobj::do_count_local_symbols): Adjust section links and
10799         symbol section indexes.
10800         (Sized_relobj::do_finalize_local_symbols): Distinguish between
10801         ordinary and special symbols.
10802         (Sized_relobj::write_local_symbols): Add symtab_xindex and
10803         dynsym_xindex parameters.  Change all callers.  Adjust section
10804         links.  Use SHN_XINDEX when needed.
10805         (Sized_relobj::get_symbol_location_info): Adjust section links.
10806         Don't get fooled by special symbols.
10807         * object.h (class Xindex): Define.
10808         (class Object): Add xindex_ parameter.  Declare virtual functoin
10809         do_initialize_xindex.
10810         (Object::adjust_sym_shndx): New function.
10811         (Object::set_xindex): New protected function.
10812         (class Symbol_value): Add is_ordinary_shndx_ field.
10813         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
10814         (Symbol_value::value): Assert ordinary section.
10815         (Symbol_value::initialize_input_to_output_map): Likewise.
10816         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
10817         Change all callers.
10818         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
10819         all callers.
10820         (class Sized_relobj): Update declarations.
10821         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
10822         parameter.  Change all callers.
10823         (Sized_relobj::adjust_shndx): New function.
10824         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
10825         field.
10826         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
10827         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
10828         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
10829         (Sized_dynobj::read_dynsym_section): Adjust section links.
10830         (Sized_dynobj::read_dynamic): Likewise.
10831         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
10832         section links.
10833         (Sized_dynobj::do_initialize_xindex): New function.
10834         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
10835         do_initialize_xindex.
10836         (Sized_dynobj::adjust_shndx): New function.
10837         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
10838         dynsym_xindex_ fields.
10839         (Layout::finalize): Add a call to set_section_indexes before
10840         creating the symtab sections.
10841         (Layout::set_section_indexes): Don't do anything if the section
10842         already has a section index.
10843         (Layout::create_symtab_sections): Add shnum parameter.  Change
10844         caller.  Create .symtab_shndx section if needed.
10845         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
10846         caller.
10847         (Layout::allocated_output_section_count): New function.
10848         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
10849         needed.
10850         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
10851         fields.  Update declarations.
10852         (Layout::symtab_xindex): New function.
10853         (Layout::dynsym_xindex): New function.
10854         (class Write_symbols_task): Add layout_ field.
10855         (Write_symbols_task::Write_symbols_task): Add layout parameter.
10856         Change caller.
10857         * output.cc (Output_section_headers::Output_section_headers): Add
10858         shstrtab_section parameter.  Change all callers.
10859         (Output_section_headers::do_sized_write): Store overflow values
10860         for section count and section string table section index in
10861         section header zero.
10862         (Output_file_header::do_sized_write): Check for overflow of
10863         section count and section string table section index.
10864         (Output_symtab_xindex::do_write): New function.
10865         (Output_symtab_xindex::endian_do_write): New function.
10866         * output.h (class Output_section_headers): Add shstrtab_section_.
10867         Update declarations.
10868         (class Output_symtab_xindex): Define.
10869         (Output_section::has_out_shndx): New function.
10870         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
10871         field.
10872         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
10873         Change all callers.
10874         (Sized_symbol::init): Likewise.
10875         (Symbol::output_section): Check for ordinary symbol.
10876         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
10877         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
10878         callers.
10879         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
10880         Change all callers.  Simplify handling of symbols from sections
10881         not included in the link.
10882         (Symbol_table::add_from_dynobj): Handle ordinary symbol
10883         distinction.
10884         (Weak_alias_sorter::operator()): Assert that symbols are
10885         ordinary.
10886         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
10887         distinction.
10888         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
10889         parameters.  Change all callers.
10890         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
10891         symbol distinction.  Use SHN_XINDEX when needed.
10892         (Symbol_table::write_section_symbol): Add symtab_xindex
10893         parameter.  Change all callers.
10894         (Symbol_table::sized_write_section_symbol): Likewise.  Use
10895         SHN_XINDEX when needed.
10896         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
10897         declarations.
10898         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
10899         (Symbol::is_defined): Check is_ordinary.
10900         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
10901         (Symbol::is_absolute, Symbol::is_common): Likewise.
10902         (class Sized_symbol): Update declarations.
10903         (class Symbol_table): Update declarations.
10904         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
10905         parameters.  Change all callers.
10906         (Sized_symbol::override): Likewise.
10907         (Symbol_table::override): Likewise.
10908         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
10909         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
10910         is_ordinary, and orig_st_shndx parameters.  Change all callers.
10911         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
10912         to be in an ordinary section.
10913         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
10914         object and is_ordinary parameters.  Change all callers.
10915         (Sized_dwarf_line_info::read_relocs): Add object parameter.
10916         Change all callers.  Don't add undefined or non-ordinary symbols
10917         to reloc_map_.
10918         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
10919         Change all callers.
10920         * dwarf_reader.h (class Sized_dwarf_line_info): Update
10921         declarations.
10922         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
10923         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
10924         (Sized_relobj::relocate_sections): Likewise.
10925         * target-reloc.h (scan_relocs): Adjust section symbol index.
10926         (scan_relocatable_relocs): Likewise.
10927         * i386.cc (Scan::local): Check for ordinary symbols.
10928         * sparc.cc (Scan::local): Likewise.
10929         * x86_64.cc (Scan::local): Likewise.
10930         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
10931         to symbol_section_and_value.
10932         * testsuite/many_sections_test.cc: New file.
10933         * testsuite/Makefile.am (BUILT_SOURCES): Define.
10934         (check_PROGRAMS): Add many_sections_test.
10935         (many_sections_test_SOURCES): Define.
10936         (many_sections_test_DEPENDENCIES): Define.
10937         (many_sections_test_LDFLAGS): Define.
10938         (BUILT_SOURCES): Add many_sections_define.h.
10939         (many_sections_define.h): New target.
10940         (BUILT_SOURCES): Add many_sections_check.h.
10941         (many_sections_check.h): New target.
10942         (check_PROGRAMS): Add many_sections_r_test.
10943         (many_sections_r_test_SOURCES): Define.
10944         (many_sections_r_test_DEPENDENCIES): Define.
10945         (many_sections_r_test_LDFLAGS): Define.
10946         (many_sections_r_test_LDADD): Define.
10947         (many_sections_r_test.o): New target.
10948         * testsuite/Makefile.in: Rebuild.
10949
10950 2008-04-17  Cary Coutant  <ccoutant@google.com>
10951
10952         * errors.cc (Errors::info): New function.
10953         (gold_info): New function.
10954         * errors.h (Errors::info): New function.
10955         * gold.h (gold_info): New function.
10956         * object.cc (Input_objects::add_object): Print trace output.
10957         * options.cc (options::parse_set): New function.
10958         (General_options::parse_wrap): Deleted.
10959         (General_options::General_options): Deleted initializer.
10960         * options.h (options::String_set): New typedef.
10961         (options::parse_set): New function.
10962         (DEFINE_set): New macro.
10963         (General_options::wrap): Changed to use DEFINE_set. Changed
10964         callers of any_wrap_symbols and is_wrap_symbol.
10965         (General_options::trace, General_options::trace_symbol):
10966         New options.
10967         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
10968         (General_options::wrap_symbols_): Deleted.
10969         * symtab.cc (Symbol_table::add_from_object): Print trace output.
10970
10971 2008-04-17  David S. Miller  <davem@davemloft.net>
10972
10973         * options.cc (General_options::parse_V): New function.
10974         * options.h: Add entries for -V and -Qy.
10975
10976 2008-04-17  Ian Lance Taylor  <iant@google.com>
10977
10978         * common.cc (Symbol_table::allocate_commons): Remove options
10979         parameter.  Change caller.
10980         (Symbol_table::do_allocate_commons): Remove options parameter.
10981         Change caller.  Just call do_allocate_commons_list twice.
10982         (Symbol_table::do_allocate_commons_list): New function, broken out
10983         of do_allocate_commons.
10984         * common.h (class Allocate_commons_task): Remove options_ field.
10985         Update constructor.
10986         * symtab.cc (Symbol_table::Symbol_table): Initialize
10987         tls_commons_.
10988         (Symbol_table::add_from_object): Put TLS common symbols on
10989         tls_commons_ list.
10990         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
10991         which are IN_OUTPUT_DATA.
10992         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
10993         allocate_commons and do_allocate_commons declarations.  Declare
10994         do_allocate_commons_list.
10995         * gold.cc (queue_middle_tasks): Update creation of
10996         Allocate_commons_task to not pass options.
10997         * testsuite/Makefile.am (INCLUDES): Add -I.. .
10998         (TLS_TEST_C_FLAGS): New variable.
10999         (tls_test_c_pic.o): New target.
11000         (tls_test_shared.so): Link in tls_test_c_pic.o.
11001         (tls_test_c_pic_ie.o): New target.
11002         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11003         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11004         (tls_test_c.o): New target.
11005         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11006         (tls_pic_test_LDADD): Likewise.
11007         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11008         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11009         (tls_test_c_gnu2.o): New target.
11010         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11011         tls_test_c_gnu2.o.
11012         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11013         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11014         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11015         * testsuite/tls_test.cc: Include "config.h".
11016         (t_last): Call t11_last.
11017         * testsuite/tls_test.h (t11, t11_last): Declare.
11018         * testsuite/tls_test_c.c: New file.
11019         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11020         * configure.ac: Check for OpenMP support.
11021         * configure, config.in, Makefile.in: Rebuild.
11022         * testsuite/Makefile.in: Rebuild.
11023
11024 2008-04-16  Cary Coutant  <ccoutant@google.com>
11025
11026         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11027         (Target_i386::tls_base_symbol_defined_): New field.
11028         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11029         (Target_i386::Scan::global): Likewise.
11030         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11031         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11032         (Target_x86_64::tls_base_symbol_defined_): New field.
11033         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11034         (Target_x86_64::Scan::global): Likewise.
11035
11036 2008-04-16  Cary Coutant  <ccoutant@google.com>
11037
11038         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11039         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11040         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11041         building shared libraries.
11042         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11043         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11044         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11045         * testsuite/Makefile.in: Rebuild.
11046         * testsuite/weak_undef.h: New file.
11047         * testsuite/weak_undef_file1.cc: Add extra test cases.
11048         * testsuite/weak_undef_file2.cc: Likewise.
11049         * testsuite/weak_undef_test.cc: Likewise.
11050
11051 2008-04-16  David S. Miller  <davem@davemloft.net>
11052
11053         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11054         Add issued_non_pic_error_ field.  Declare check_non_pic.
11055         (Target_sparc::Scan::check_non_pic): New function.
11056         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11057         (Target_sparc::Scan::global): Likewise.
11058
11059         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11060         * configure: Rebuild.
11061
11062         * options.h (DEFINE_enable): New macro.
11063         (new_dtags): New enable option.
11064         (initfirst, interpose, loadfltr, nodefaultlib,
11065         nodelete, nodlopen, nodump): New -z options.
11066         * layout.cc (Layout:finish_dynamic_section): If new
11067         dtags enabled, emit DT_RUNPATH.  Also, emit a
11068         DT_FLAGS_1 containing any specified -z flags.
11069
11070 2008-04-16  Ian Lance Taylor  <iant@google.com>
11071
11072         * copy-relocs.cc: New file.
11073         * copy-relocs.h: New file.
11074         * reloc.cc: Remove Copy_relocs code.
11075         * reloc.h: Likewise.
11076         * reloc-types.h (struct Reloc_types) [both versions]: Add
11077         get_reloc_addend_noerror.
11078         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11079         variants of add_global which take an addend which must be zero.
11080         * i386.cc: Include "copy-relocs.h".
11081         (class Target_i386): Change type of copy_relocs_ to variable,
11082         update initializer.
11083         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11084         Change all callers.
11085         (Target_i386::do_finalize_sections): Change handling of
11086         copy_relocs_.
11087         * sparc.cc: Include "copy-relocs.h".
11088         (class Target_sparc): Change type of copy_relocs_ to variable,
11089         update initializer.
11090         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11091         Change all callers.
11092         (Target_sparc::do_finalize_sections): Change handling of
11093         copy_relocs_.
11094         * x86_64.cc: Include "copy-relocs.h".
11095         (class Target_x86_64): Change type of copy_relocs_ to variable,
11096         update initializer.
11097         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11098         class.  Change all callers.
11099         (Target_x86_64::do_finalize_sections): Change handling of
11100         copy_relocs_.
11101         * Makefile.am (CCFILES): Add copy-relocs.cc.
11102         (HFILES): Add copy-relocs.h.
11103
11104         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11105
11106         * testsuite/script_test_4.sh: Permit leading zeroes.
11107
11108 2008-04-15  Ian Lance Taylor  <iant@google.com>
11109
11110         * script-sections.cc (Script_sections::create_segments): Use
11111         header_size_adjustment even when there is enough room for the
11112         headers.
11113         * testsuite/script_test_4.sh: New file.
11114         * testsuite/script_test_4.t: New file.
11115         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11116         (check_DATA): Add script_test_4.stdout.
11117         (MOSTLYCLEANFILES): Likewise.
11118         (script_test_4): New target.
11119         (script_test_4.stdout): New target.
11120         * testsuite/Makefile.in: Rebuild.
11121
11122         * sparc.cc: Add definitions for Output_data_plt_sparc class
11123         constants.
11124
11125 2008-04-14  David S. Miller  <davem@davemloft.net>
11126
11127         * sparc.cc: New file.
11128         * Makefile.am (TARGETSOURCES): Add sparc.cc
11129         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11130         * configure.tgt: Document targ_extra_size and
11131         targ_extra_big_endian.  Add entries for sparc-* and
11132         sparc64-*.
11133         * configure.ac: Handle targ_extra_size and
11134         targ_extra_big_endian.
11135         * Makefile.in: Rebuild.
11136         * configure: Likewise.
11137         * po/POTFILES.in: Likewise.
11138         * po/gold.pot: Likewise.
11139
11140 2008-04-14  Ian Lance Taylor  <iant@google.com>
11141
11142         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11143         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11144         in the name/type/flags to section mapping.  Don't call
11145         allocate_output_section.
11146         (Layout::choose_output_section): Change parameter from adjust_name
11147         to is_input_section.  Don't permit input sections after sections
11148         are attached to segments.  Don't call allocate_output_section.
11149         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11150         not write_enable_output_section.
11151         (Layout::make_output_section): Don't push to
11152         unattached_section_list_ nor call attach_to_segment.  Call
11153         attach_section_to_segment if sections are attached.
11154         (Layout::attach_sections_to_segments): New function.
11155         (Layout::attach_section_to_segment): New function.
11156         (Layout::attach_allocated_section_to_segment): Rename from
11157         attach_to_segment.  Remove flags parameter.
11158         (Layout::allocate_output_section): Remove function.
11159         (Layout::write_enable_output_section): Remove function.
11160         * layout.h (class Layout): Update for above changes.  Add new
11161         field sections_are_attached_.
11162         * output.h (Output_section::update_flags_for_input_section): New
11163         function.
11164         * output.cc (Output_section::add_input_section): Call
11165         update_flags_for_input_section.
11166         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11167
11168 2008-04-11  Cary Coutant  <ccoutant@google.com>
11169
11170         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11171         thought unnecessary.
11172         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11173
11174 2008-04-11  Ian Lance Taylor  <iant@google.com>
11175
11176         * output.h (class Output_section_data): Remove inline definition
11177         of set_addralign.
11178         * output.cc (Output_section_data::set_addralign): New function.
11179
11180 2008-04-11  Cary Coutant  <ccoutant@google.com>
11181
11182         Add support for TLS descriptors for i386 and x86_64.
11183         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11184         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11185         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11186         GOT_TYPE_TLS_DESC.
11187         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11188         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11189         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11190         relocations.
11191         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11192         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11193         Fix problem with initial-exec relocations.
11194         (Target_i386::Relocate::relocate_tls): Likewise.
11195         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11196         relaxation.
11197         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11198         support for section-plus-offset dynamic table entries.
11199         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11200         (Output_data_dynamic::Dynamic_entry): Add support for
11201         section-plus-offset dynamic table entries.
11202         (Output_data_dynamic::Classification): Likewise.
11203         (Output_data_dynamic::classification_): Renamed offset_.
11204         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11205         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11206         (Target_x86_64::make_plt_section): New function.
11207         (Target_x86_64::reserve_tlsdesc_entries): New function.
11208         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11209         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11210         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11211         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11212         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11213         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11214         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11215         add extra PLT entry for TLS descriptors.
11216         (Output_data_plt_x86_64::got_): New field.
11217         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11218         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11219         fields.
11220         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11221         descriptors.
11222         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11223         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11224         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11225         R_386_TLS_DESC_CALL relocations.
11226         (Target_x86_64::Scan::global): Likewise.
11227         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11228         for TLS descriptors.
11229         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11230         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11231         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11232         GD-to-IE relaxation.
11233         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11234         and TLS_DESCRIPTORS.
11235         * Makefile.in: Rebuild.
11236         * configure: Rebuild.
11237         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11238         (tls_test_shared2.so): New target.
11239         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11240         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11241         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11242         (tls_shared_gd_to_ie_test_LDADD): New variable.
11243         (tls_shared_gnu2_gd_to_ie_test): New target.
11244         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11245         New targets.
11246         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11247         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11248         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11249         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11250         (tls_shared_gnu2_test): New target.
11251         (tls_test_gnu2_shared.so): New target.
11252         (tls_shared_gnu2_test_SOURCES): New variable.
11253         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11254         (tls_shared_gnu2_test_LDFLAGS): New variable.
11255         (tls_shared_gnu2_test_LDADD): New variable.
11256         * testsuite/Makefile.in: Rebuild.
11257         * testsuite/Makefile.
11258
11259 2008-04-11  Ian Lance Taylor  <iant@google.com>
11260
11261         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11262         justsyms.t.
11263         * testsuite/Makefile.in: Rebuild.
11264
11265         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11266         long.
11267         * testsuite/script_test_2.cc (main): Adjust test.
11268
11269 2008-04-11  David S. Miller  <davem@davemloft.net>
11270             Ian Lance Taylor  <iant@google.com>
11271
11272         * options.h (General_options): Add entries for '-Y' and
11273         '-relax'.
11274         * options.cc (General_options:finalize): If -Y was used, add those
11275         entries to the library path instead of the default "/lib" and
11276         "/usr/lib".
11277
11278 2008-04-11  David S. Miller  <davem@davemloft.net>
11279
11280         * testsuite/justsyms.t: Start at 0x100.
11281         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11282         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11283         long.
11284         * testsuite/script_test_2.cc: Adjust string and section length
11285         checks.
11286
11287 2008-04-09  Ian Lance Taylor  <iant@google.com>
11288
11289         PR gold/5996
11290         * script-sections.cc (Sections_element::allocate_to_segment): Add
11291         orphan parameter.
11292         (Output_section_definition::allocate_to_segment): Likewise.
11293         (Orphan_output_section::allocate_to_segment): Likewise.
11294         (Script_sections::attach_sections_using_phdrs_clause): Don't
11295         propagate non-PT_LOAD segments to orphan sections.
11296         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11297         readelf rather than objdump.
11298         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11299         .interp section and PT_INTERP segment are the same size.
11300         * testsuite/Makefile.in: Rebuild.
11301
11302         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11303         aliases for symbols defined in the same object.
11304         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11305         (weak_alias_test_SOURCES): New variable.
11306         (weak_alias_test_DEPENDENCIES): New variable.
11307         (weak_alias_test_LDFLAGS): New variable.
11308         (weak_alias_test_LDADD): New variable.
11309         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11310         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11311         (weak_alias_test_3.o): New target.
11312         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11313         * testsuite/weak_alias_test_main.cc: New file.
11314         * testsuite/weak_alias_test_1.cc: New file.
11315         * testsuite/weak_alias_test_2.cc: New file.
11316         * testsuite/weak_alias_test_3.cc: New file.
11317
11318 2008-04-08  Ian Lance Taylor  <iant@google.com>
11319
11320         * options.h (class General_options): Add --noinhibit-exec option.
11321         * main.cc (main): Check --noinhibit-exec.
11322
11323         * options.h (class General_options): Define --wrap as a special
11324         option.  Add wrap_symbols_ field.
11325         (General_options::any_wrap_symbols): New function.
11326         (General_options::is_wrap_symbol): New function.
11327         * options.cc (General_options::parse_wrap): New function.
11328         (General_options::General_options): Initialize wrap_symbols_.
11329         * symtab.cc (Symbol_table::wrap_symbol): New function.
11330         (Symbol_table::add_from_object): Handle --wrap.
11331         * symtab.h (class Symbol_table): Declare wrap_symbol.
11332         * target.h (Target::wrap_char): New function.
11333         (Target::Target_info): Add wrap_char field.
11334         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11335         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11336         * testsuite/testfile.cc (Target_test::test_target_info):
11337         Likewise.
11338
11339         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11340         there is one.
11341
11342         * layout.h (class Layout): Add added_eh_frame_data_ field.
11343         * layout.cc (Layout::Layout): Initialize new field.
11344         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11345         output section until we find a section we merged successfully.
11346         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11347         that the size be non-zero.
11348
11349         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11350         qualifier.
11351
11352 2008-04-08  Craig Silverstein  <csilvers@google.com>
11353
11354         * configure.ac: Export new conditional variable HAVE_ZLIB.
11355         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11356         on HAVE_ZLIB.
11357         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11358         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11359
11360 2008-04-07  Ian Lance Taylor  <iant@google.com>
11361
11362         * version.cc (version_string): Set to "1.5".
11363
11364         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11365         Add issued_non_pic_error_ field.  Declare check_non_pic.
11366         (Target_x86_64::Scan::check_non_pic): New function.
11367         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11368         (Target_x86_64::Scan::global): Likewise.
11369
11370         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11371         addend parameter.  Change caller.  Handle merge sections.
11372         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11373         Address to Addend.  Don't add in the result of
11374         local_section_offset, pass down the addend and use the returned
11375         value.
11376         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11377         Update declarations of local_section_offset and symbol_value.
11378         * testsuite/two_file_test_1.cc (t18): New function.
11379         * testsuite/two_file_test_2.cc (f18): New function.
11380         * testsuite/two_file_test_main.cc (main): Call t18.
11381         * testsuite/two_file_test.h (t18, f18): Declare.
11382
11383         * configure.ac: Don't test for objdump, c++filt, or readelf.
11384         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11385         conditionals.
11386         (TEST_READELF): New variable.
11387         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11388         (check_PROGRAMS): Add two_file_strip_test.
11389         (two_file_strip_test): New target.
11390         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11391         (two_file_same_shared_strip_test_SOURCES): New variable.
11392         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11393         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11394         (two_file_same_shared_strip_test_LDADD): New variable.
11395         (two_file_shared_strip.so): New target.
11396         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11397         (ver_test_5.syms, ver_test_7.syms): Likewise.
11398         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11399         (strip_test_3.stdout): Use TEST_OBJDUMP.
11400         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11401
11402 2008-04-04  Cary Coutant  <ccoutant@google.com>
11403
11404         * symtab.h (Symbol::is_weak_undefined): New function.
11405         (Symbol::is_strong_undefined): New function.
11406         (Symbol::is_absolute): New function.
11407         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11408         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11409         absolute symbols.
11410         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11411         (weak_undef_test): New target.
11412         * testsuite/Makefile.in: Rebuild.
11413         * testsuite/weak_undef_file1.cc: New file.
11414         * testsuite/weak_undef_file2.cc: New file.
11415         * testsuite/weak_undef_test.cc: New file.
11416
11417 2008-04-03  Craig Silverstein  <csilvers@google.com>
11418
11419         * compressed_output.h (class Output_compressed_section): Use
11420         unsigned buffer.
11421         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11422         add zlib header.
11423         (zlib_compressed_suffix): Removed.
11424         (Output_compressed_section::set_final_data_size): Use unsigned
11425         buffers.
11426         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11427         Fix linker invocation.
11428         (flagstest_o_specialfile_and_compress_debug_sections):
11429         Likewise.
11430         * testsuite/Makefile.in: Regenerated.
11431
11432 2008-04-02  David S. Miller  <davem@davemloft.net>
11433
11434         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11435         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11436
11437 2008-04-02  Craig Silverstein  <csilvers@google.com>
11438
11439         * TODO: New file.
11440
11441 2008-04-02  Ian Lance Taylor  <iant@google.com>
11442
11443         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11444         parameters.  Update for new key type to views_.  Change all
11445         callers.
11446         (File_read::read): Adjust for byteshift in returned view.
11447         (File_read::add_view): New function, broken out of
11448         find_and_make_view.
11449         (File_read::make_view): New function, broken out of
11450         find_and_make_view.
11451         (File_read::find_or_make_view): Add offset and aligned
11452         parameters.  Rewrite accordingly.  Change all callers.
11453         (File_read::get_view): Add offset and aligned parameters.  Adjust
11454         for byteshift in return value.
11455         (File_read::get_lasting_view): Likewise.
11456         * fileread.h (class File_read): Update declarations.
11457         (class File_read::View): Add byteshift_ field.  Add byteshift to
11458         constructor.  Add byteshift method.
11459         * archive.h (Archive::clear_uncached_views): New function.
11460         (Archive::get_view): Add aligned parameter.  Change all callers.
11461         * object.h (Object::get_view): Add aligned parameter.  Change all
11462         callers.
11463         (Object::get_lasting_view): Likewise.
11464
11465         * fileread.cc (File_read::release): Don't call clear_views if
11466         there are multiple objects.
11467         * fileread.h (File_read::clear_uncached_views): New function.
11468         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11469         on the archive.
11470
11471 2008-03-31  Cary Coutant  <ccoutant@google.com>
11472
11473         Add thin archive support.
11474         * archive.cc (Archive::armagt): New const.
11475         (Archive::setup): Remove task parameter and calls to unlock.
11476         (Archive::unlock_nested_archives): New function.
11477         (Archive::read_header): Add nested_off parameter. Change
11478         all callers.
11479         (Archive::interpret_header): Likewise.
11480         (Archive::include_all_members): Change to handle thin
11481         archives.
11482         (Archive::include_member): Likewise.
11483         * archive.h (Archive::Archive): Add new parameters and
11484         initializers.
11485         (Archive::armagt): New const.
11486         (Archive::setup): Remove task parameter.
11487         (Archive::unlock_nested_archives): New function.
11488         (Archive::read_header): Add nested_off parameter.
11489         (Archive::interpret_header): Likewise.
11490         (Archive::Nested_archive_table): New typedef.
11491         (Archive::is_thin_archive_): New field.
11492         (Archive::nested_archives_): New field.
11493         (Archive::options_): New field.
11494         (Archive::dirpath_): New field.
11495         (Archive::task_): New field.
11496         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11497         for thin archives.  Pass additional parameters to
11498         Archive::Archive.  Unlock the archive file after calling
11499         Archive::setup.
11500
11501 2008-03-29  Ian Lance Taylor  <iant@google.com>
11502
11503         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11504         version symbol to be local.
11505         * testsuite/ver_test_4.sh: New file.
11506         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11507         (check_DATA): Add ver_test_4.syms.
11508         (ver_test_4.syms): New target.
11509         * testsuite/Makefile.in: Rebuild.
11510
11511         * output.cc
11512         (Output_section::Input_section_sort_entry::has_priority): New
11513         function.
11514         (Output_section::Input_section_sort_entry::match_file_name): New
11515         function.
11516         (Output_section::Input_section_sort_entry::match_section_name):
11517         Remove.
11518         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11519         Remove.
11520         (Output_section::Input_section_sort_entry::match_section_file):
11521         Remove.
11522         (Output_section::Input_section_sort_compare::operator()): Rewrite
11523         using new Input_section_sort_entry functions.  Sort crtbegin and
11524         crtend first.  Sort sections with no priority before sections with
11525         a priority.
11526         * testsuite/initpri1.c (d3): Check j != 4.
11527         (cd5): New constructor/destructor function.
11528         (main): Check j != 2.
11529
11530         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11531         new symbol when resolving, don't call set_is_default.
11532         * testsuite/ver_test_7.cc: New file.
11533         * testsuite/ver_test_7.sh: New file.
11534         * testsuite/Makefile.am (ver_test_7.so): New target.
11535         (ver_test_7.o): New target.
11536         (check_SCRIPTS): Add ver_test_7.sh.
11537         (check_DATA): Add ver_test_7.syms.
11538         (ver_test_7.syms): New target.
11539
11540 2008-03-28  Ian Lance Taylor  <iant@google.com>
11541
11542         * layout.cc (Layout::layout): If we see an input section with a
11543         name that needs sorting, set the must_sort flag for the output
11544         section.
11545         (Layout::make_output_section): If the name of the output section
11546         indicates that it might require sorting, set the may_sort flag.
11547         * output.h (Output_section::may_sort_attached_input_sections): New
11548         function.
11549         (Output_section::set_may_sort_attached_input_sections): New
11550         function.
11551         (Output_section::must_sort_attached_input_sections): New
11552         function.
11553         (Output_section::set_must_sort_attached_input_sections): New
11554         function.
11555         (class Output_section): Declare Input_section_sort_entry.  Define
11556         Input_section_sort_compare.  Declare
11557         sort_attached_input_sections.  Add new fields:
11558         may_sort_attached_input_sections_,
11559         must_sort_attached_input_sections_,
11560         attached_input_sections_are_sorted_.
11561         * output.cc (Output_section::Output_section): Initialize new
11562         fields.
11563         (Output_section::add_input_section): Add an entry to
11564         input_sections_ if may_sort or must_sort are true.
11565         (Output_section::set_final_data_size): Call
11566         sort_attached_input_sections if necessary.
11567         (Output_section::Input_section_sort_entry): Define new class.
11568         (Output_section::Input_section_sort_compare::operator()): New
11569         function.
11570         (Output_section::sort_attached_input_sections): New function.
11571         * configure.ac: Check whether the compiler supports constructor
11572         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
11573         * testsuite/initpri1.c: New file.
11574         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11575         CONSTRUCTOR_PRIORITY.
11576         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11577         (initpri1_LDFLAGS): New variable.
11578         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11579
11580 2008-03-27  Ian Lance Taylor  <iant@google.com>
11581
11582         * common.cc (Sort_commons::operator): Correct sorting algorithm.
11583         * testsuite/common_test_1.c: New file.
11584         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11585         (common_test_1_SOURCES): New variable.
11586         (common_test_1_DEPENDENCIES): New variable.
11587         (common_test_1_LDFLAGS): New variable.
11588
11589         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11590         and commons_ correctly when NAME/VERSION does not override
11591         NAME/NULL.
11592         * testsuite/ver_test_6.c: New file.
11593         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11594         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11595         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11596
11597 2008-03-26  Ian Lance Taylor  <iant@google.com>
11598
11599         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11600         of an undefined symbol from a version script.
11601         * testsuite/Makefile.am (ver_test_5.so): New target.
11602         (ver_test_5.o): New target.
11603         (check_SCRIPTS): Add ver_test_5.sh.
11604         (check_DATA): Add ver_test_5.syms.
11605         (ver_test_5.syms): New target.
11606         * testsuite/ver_test_5.cc: New file.
11607         * testsuite/ver_test_5.script: New file.
11608         * testsuite/ver_test_5.sh: New file.
11609         * Makefile.in, testsuite/Makefile.in: Rebuild.
11610
11611         PR gold/5986
11612         Fix problems building gold with gcc 4.3.0.
11613         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11614         (gold_error_at_location, gold_warning_at_location): Use it.
11615         * configure.ac: Check whether we can compile and use a template
11616         function with a printf attribute.
11617         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
11618         when jumping over bytes.
11619         * object.cc: Instantiate Object::read_section_data.
11620         * debug.h: Include <cstring>
11621         * dwarf_reader.cc: Include <algorithm>
11622         * main.cc: Include <cstring>.
11623         * options.cc: Include <cstring>.
11624         * output.cc: Include <cstring>.
11625         * script.cc: Include <cstring>.
11626         * script.h: Include <string>.
11627         * symtab.cc: Include <cstring> and <algorithm>.
11628         * target-select.cc: Include <cstring>.
11629         * version.cc: Include <string>.
11630         * testsuite/testmain.cc: Include <cstdlib>.
11631         * configure, config.in: Rebuild.
11632
11633 2008-03-25  Ian Lance Taylor  <iant@google.com>
11634
11635         * options.cc: Include "../bfd/bfdver.h".
11636         (options::help): Print bug reporting address.
11637
11638         * version.cc (print_version): Adjust output for current value of
11639         BFD_VERSION_STRING.
11640
11641         * NEWS: New file.
11642
11643         * options.cc (options::help): Print list of supported targets.
11644         * target-select.h: Include <vector>.
11645         (class Target_selector): Make machine_, size_, and is_big_endian_
11646         fields const.  Add bfd_name_ and instantiated_target_ fields.
11647         (Target_selector::Target_selector): Add bfd_name parameter.
11648         (Target_selector::recognize): Make non-virtual, call
11649         do_recognize.
11650         (Target_selector::recognize_by_name): Make non-virtual, call
11651         do_recognize_by_name.
11652         (Target_selector::supported_names): New function.
11653         (Target_selector::bfd_name): New function.
11654         (Target_selector::do_instantiate_target): New pure virtual
11655         function.
11656         (Target_selector::do_recognize): New virtual function.
11657         (Target_selector::do_recognize_by_name): New virtual function.
11658         (Target_selector::instantiate_target): New private function.
11659         (supported_target_names): Declare.
11660         * target-select.cc (Target_selector::Target_selector): Update for
11661         new parameter and fields.
11662         (select_target_by_name): Check that the name matches before
11663         calling recognize_by_name.
11664         (supported_target_names): New function.
11665         * i386.cc (class Target_selector_i386): Update Target_selector
11666         constructor call.  Remove recognize and recognize_by_name.  Add
11667         do_instantiate_target.
11668         * x86_64.cc (class Target_selector_x86_64): Likewise.
11669         * testsuite/testfile.cc (class Target_selector_test): Update for
11670         changes to Target_selector.
11671
11672         * README: Rewrite, with some notes on unsupported features.
11673
11674 2008-03-24  Cary Coutant  <ccoutant@google.com>
11675
11676         * i386.cc (Target_i386::Got_type): New enum declaration.
11677         (Target_i386::Scan::local): Updated callers of Output_data_got
11678         member functions.
11679         (Target_i386::Scan::global): Likewise.
11680         (Target_i386::Relocate::relocate): Likewise.
11681         (Target_i386::Relocate::relocate_tls): Likewise.
11682         * object.h (Got_offset_list): New class.
11683         (Sized_relobj::local_has_got_offset): Added got_type parameter.
11684         (Sized_relobj::local_got_offset): Likewise.
11685         (Sized_relobj::set_local_got_offset): Likewise.
11686         (Sized_relobj::local_has_tls_got_offset): Removed.
11687         (Sized_relobj::local_tls_got_offset): Removed.
11688         (Sized_relobj::set_local_tls_got_offset): Removed.
11689         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
11690         * output.cc (Output_data_got::add_global): Added got_type parameter.
11691         (Output_data_got::add_global_with_rel): Likewise.
11692         (Output_data_got::add_global_with_rela): Likewise.
11693         (Output_data_got::add_global_pair_with_rel): New function.
11694         (Output_data_got::add_global_pair_with_rela): New function.
11695         (Output_data_got::add_local): Added got_type parameter.
11696         (Output_data_got::add_local_with_rel): Likewise.
11697         (Output_data_got::add_local_with_rela): Likewise.
11698         (Output_data_got::add_local_pair_with_rel): New function.
11699         (Output_data_got::add_local_pair_with_rela): New function.
11700         (Output_data_got::add_global_tls): Removed.
11701         (Output_data_got::add_global_tls_with_rel): Removed.
11702         (Output_data_got::add_global_tls_with_rela): Removed.
11703         (Output_data_got::add_local_tls): Removed.
11704         (Output_data_got::add_local_tls_with_rel): Removed.
11705         (Output_data_got::add_local_tls_with_rela): Removed.
11706         * output.h (Output_data_got::add_global): Added got_type parameter.
11707         (Output_data_got::add_global_with_rel): Likewise.
11708         (Output_data_got::add_global_with_rela): Likewise.
11709         (Output_data_got::add_global_pair_with_rel): New function.
11710         (Output_data_got::add_global_pair_with_rela): New function.
11711         (Output_data_got::add_local): Added got_type parameter.
11712         (Output_data_got::add_local_with_rel): Likewise.
11713         (Output_data_got::add_local_with_rela): Likewise.
11714         (Output_data_got::add_local_pair_with_rel): New function.
11715         (Output_data_got::add_local_pair_with_rela): New function.
11716         (Output_data_got::add_global_tls): Removed.
11717         (Output_data_got::add_global_tls_with_rel): Removed.
11718         (Output_data_got::add_global_tls_with_rela): Removed.
11719         (Output_data_got::add_local_tls): Removed.
11720         (Output_data_got::add_local_tls_with_rel): Removed.
11721         (Output_data_got::add_local_tls_with_rela): Removed.
11722         * resolve.cc (Symbol::override_base_with_special): Removed
11723         reference to has_got_offset_ field.
11724         * symtab.cc (Symbol::init_fields): Replaced initialization
11725         of got_offset_ with got_offsets_.  Removed initialization
11726         of has_got_offset_
11727         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
11728         (Symbol::got_offset): Likewise.
11729         (Symbol::set_got_offset): Likewise.
11730         (Symbol::has_tls_got_offset): Removed.
11731         (Symbol::tls_got_offset): Removed.
11732         (Symbol::set_tls_got_offset): Removed.
11733         (Symbol::got_offset_): Removed.
11734         (Symbol::tls_mod_got_offset_): Removed.
11735         (Symbol::tls_pair_got_offset_): Removed.
11736         (Symbol::got_offsets_): New field.
11737         (Symbol::has_got_offset): Removed.
11738         (Symbol::has_tls_mod_got_offset): Removed.
11739         (Symbol::has_tls_pair_got_offset): Removed.
11740         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
11741         (Target_x86_64::Scan::local): Updated callers of Output_data_got
11742         member functions.
11743         (Target_x86_64::Scan::global): Likewise.
11744         (Target_x86_64::Relocate::relocate): Likewise.
11745         (Target_x86_64::Relocate::relocate_tls): Likewise.
11746
11747 2008-03-25  Ben Elliston  <bje@au.ibm.com>
11748
11749         * yyscript.y: Fix spelling error in comment.
11750
11751 2008-03-24  Ian Lance Taylor  <iant@google.com>
11752
11753         * options.h (class General_options): Define build_id option.
11754         * layout.h (class Layout): Declare write_build_id, create_note,
11755         create_build_id.  Add build_id_note_ member.
11756         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
11757         "libiberty.h", "md5.h", "sha1.h".
11758         (Layout::Layout): Initialize eh_frame_data_,
11759         eh_frame_hdr_section_, and build_id_note_.
11760         (Layout::finalize): Call create_build_id.
11761         (Layout::create_note): New function, broken out of
11762         Layout::create_gold_note.
11763         (Layout::create_gold_note): Call create_note.
11764         (Layout::create_build_id): New function.
11765         (Layout::write_build_id): New function.
11766         (Close_task_runner::run): Call write_build_id.
11767
11768         * x86_64.cc: Correct license to GPLv3.
11769
11770 2008-03-23  Ian Lance Taylor  <iant@google.com>
11771
11772         * options.cc: Include "demangle.h".
11773         (parse_optional_string): New function.
11774         (parse_long_option): Handle takes_optional_argument.
11775         (parse_short_option): Update dash_z initializer.  Handle
11776         takes_optional_argument.
11777         (General_options::General_options): Initialize do_demangle_.
11778         (General_options::finalize): Set do_demangle_.  Handle demangling
11779         style.
11780         * options.h (parse_optional_string): Declare.
11781         (struct One_option): Add optional_arg field.  Update constructor.
11782         Update call constructor calls.  Add takes_optional_argument
11783         function.
11784         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
11785         (DEFINE_optional_string): Define.
11786         (General_options::demangle): Change from DEFINE_bool to
11787         DEFINE_optional_string.
11788         (General_options::no_demangle): New function.
11789         (General_options::do_demangle): New function.
11790         (General_options::set_do_demangle): New function.
11791         (General_options::execstack_status_): Move definition to end of
11792         class definition.
11793         (General_options::static_): Likewise.
11794         (General_options::do_demangle_): New field.
11795         * object.cc (big_endian>::get_symbol_location_info): Call
11796         Options::do_demangle, not Options::demangle.
11797         * symtab.cc (demangle): Likewise.
11798
11799 2008-03-22  Ian Lance Taylor  <iant@google.com>
11800
11801         * gold.h: Include <cstddef> and <sys/types.h>
11802         * options.h: Include <cstring>.
11803
11804 2008-03-21  Ian Lance Taylor  <iant@google.com>
11805
11806         * Added source code to GNU binutils.