gold/ChangeLog

   1 2013-02-15  Ian Lance Taylor  <iant@google.com>
   2
   3         * options.h (DEFINE_uint64_alias): Define.
   4         (class General_options): Add -Ttext-segment as an alias for
   5         -Ttext.
   6
   7 2013-02-15  Alan Modra  <amodra@gmail.com>
   8
   9         * powerpc.cc (Stub_table::plt_off): New function, extracted from..
  10         (Stub_table::do_write): ..here, two places.
  11         (Stub_table::plt_call_size): Use it here too.
  12
  13 2013-02-11  Ian Lance Taylor  <iant@google.com>
  14
  15         * descriptors.cc (Descriptors::close_all): New function.
  16         * descriptors.h (class Descriptors): Declare close_all.
  17         (close_all_descriptors): New inline function.
  18         * plugin.cc: Include "descriptors.h".
  19         (Plugin_manager::cleanup): Call close_all_descriptors.
  20
  21 2013-02-06  Alan Modra  <amodra@gmail.com>
  22
  23         * README: Update coding style link.
  24
  25 2013-01-28  Cary Coutant  <ccoutant@google.com>
  26
  27         * dwp.cc (File_list): New typedef.
  28         (Dwo_name_info_reader): New class.
  29         (Dwo_id_info_reader::Dwo_id_info_reader): Remove unused parameters.
  30         (Dwo_id_info_reader::visit_top_die): Remove unused member function.
  31         (Dwo_file::~Dwo_file): Delete input_file_ after obj_.
  32         (Dwo_file::read_executable): New function.
  33         (Dwo_file::read): Move common setup code to ...
  34         (Dwo_file::make_object): ... here.
  35         (dwp_options): Add --exec/-e.
  36         (usage): Likewise.
  37         (main): Likewise.
  38
  39 2013-01-24  Sriraman Tallam  <tmsriram@google.com>
  40
  41         * layout.cc (Layout::layout): Check for option text_reorder.
  42         (Layout::make_output_section): Ditto.
  43         * options.h (text_reorder): New option.
  44         * output.cc (Input_section_sort_compare): Remove special ordering
  45         of section names.
  46         (Output_section::
  47          Input_section_sort_section_name_special_ordering_compare::
  48          operator()): New function.
  49         (Output_section::sort_attached_input_sections): Use new sort function
  50         for .text.
  51         * output.h (Input_section_sort_section_name_special_ordering_compare):
  52         New struct.
  53         * testsuite/Makefile.am (text_section_grouping): Test option
  54         --no-text-reorder
  55         * testsuite/Makefile.in: Regenerate.
  56         * testsuite/text_section_grouping.sh: Check order of functions without
  57         default text reordering.
  58
  59 2013-01-18  Mike Frysinger  <vapier@gentoo.org>
  60
  61         * options.h (General_options): Change default to true for new_dtags.
  62
  63 2013-01-18  Mike Frysinger  <vapier@gentoo.org>
  64
  65         * layout.cc (Layout::finish_dynamic_section): Only add DT_RPATH
  66         when enable_new_dtags is false.  Only add DT_RUNPATH when
  67         enable_new_dtags is true.
  68
  69 2013-01-17  Serge Pavlov  <serge.v.pavlov@gmail.com>
  70
  71         * powerpc.cc (Stub_table::find_plt_call_entry): Make types
  72         used in declaration and definition consistent.
  73         (Target_powerpc::symval_for_branch): Ditto.
  74
  75 2013-01-16  Sriraman Tallam  <tmsriram@google.com>
  76
  77         * testsuite/plugin_final_layout.cc: Fix comment.
  78
  79 2013-01-16  Sriraman Tallam  <tmsriram@google.com>
  80
  81         * layout.cc (Layout::layout): Do not do default sorting for
  82         text sections when section ordering is specified.
  83         (make_output_section): Ditto.
  84         * testsuite/plugin_final_layout.cc: Name the function sections
  85         to catch reordering issues.
  86
  87 2013-01-15  Alan Modra  <amodra@gmail.com>
  88
  89         * powerpc.cc (Target_powerpc::do_relax): Default shared libs to
  90         plt-thread-safe.
  91
  92 2013-01-15  Alan Modra  <amodra@gmail.com>
  93
  94         * testsuite/Makefile.am (final_layout_script.lds): Handle .got section.
  95         * testsuite/Makefile.in: Regenerate.
  96
  97 2013-01-14  Alan Modra  <amodra@gmail.com>
  98
  99         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add various output files.
 100         * testsuite/Makefile.in: Regenerate.
 101
 102 2013-01-11  Pavel Chupin  <pavel.v.chupin@intel.com>
 103
 104         PR bfd/14430
 105         Fix mingw gold build with plugins enabled
 106         * Makefile.am: Replace -ldl with @DLOPEN_LIBS@.
 107         * configure.ac: Export DLOPEN_LIBS and add headers check.
 108         * plugin.cc: Handle non-dlfcn case.
 109         * Makefile.in: Regenerate.
 110         * config.in: Regenerate.
 111         * configure: Regenerate.
 112         * testsuite/Makefile.in: Regenerate.
 113
 114 2013-01-09  Sriraman Tallam  <tmsriram@google.com>
 115
 116         * output.h (sort_attached_input_sections): Change to be public.
 117         * script-sections.cc
 118         (Output_section_definition::set_section_addresses): Sort
 119         attached input sections according to section order before linker
 120         script assigns section addresses.
 121         (Orphan_output_section::set_section_addresses): Sort
 122         attached input sections according to section order before linker
 123         script assigns section addresses.
 124         * Makefile.am (final_layout.sh): Use a simple linker script to
 125         check if section ordering still works.
 126         * Makefile.in: Regenerate.
 127
 128 2013-01-09  Ben Cheng  <bccheng@google.com>
 129
 130         * arm.cc (Target_arm::attributes_accept_div): New function.
 131         (Target_arm::attributes_forbid_div): New function.
 132         (Target_arm::merge_object_attributes): Merge the Tag_DIV_use
 133         attribute using the same new functions as what bfd/elf32_arm.c
 134         does.
 135
 136 2013-01-07  Cary Coutant  <ccoutant@google.com>
 137
 138         PR gold/14993
 139         * output.cc (Output_section::add_input_section): For incremental
 140         updates, don't track input sections that are allocated from patch
 141         space.
 142
 143 2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
 144             Ian Lance Taylor  <iant@google.com>
 145
 146         PR gold/14897
 147         * configure.ac (--enable-ld): Removed.
 148         (install_as_default): Set to yes only for --enable-gold=default
 149         or --disable-ld.
 150         * configure: Regenerated.
 151
 152 2013-01-07  H.J. Lu  <hongjiu.lu@intel.com>
 153
 154         * options.h (General_options): Add -fuse-ld= for GCC linker
 155         option compatibility.
 156
 157 2013-01-04  Cary Coutant  <ccoutant@google.com>
 158
 159         * configure.ac: Fix typo restoring CXXFLAGS.
 160         * configure: Regenerate.
 161
 162 2013-01-04  Cary Coutant  <ccoutant@google.com>
 163
 164         * testsuite/Makefile.am (CXXLINK_S): New macro.
 165         (debug_msg_so.err, debug_msg_ndebug.err): Use CXXLINK_S.
 166         * testsuite/Makefile.in: Regenerate.
 167
 168 2013-01-02  H.J. Lu  <hongjiu.lu@intel.com>
 169
 170         * version.cc (print_version): Update copyright year to 2013.
 171
 172 2012-12-20  Ian Lance Taylor  <iant@google.com>
 173
 174         * layout.cc (Layout::special_ordering_of_input_section): New
 175         function.
 176         (Layout::layout): If input section requires special ordering, must
 177         sort input sections.
 178         (Layout::make_output_section): May sort .text input sections.
 179         (Layout::is_section_name_prefix_grouped): Remove.
 180         * layout.h (class Layout): Declare
 181         special_ordering_of_input_section.  Don't declare
 182         is_section_name_prefix_grouped.
 183         * output.cc (Output_section::add_input_section): Revert last
 184         change.
 185         (Output_section::Input_section_sort::match_file_name): Don't crash
 186         if called on output section data.
 187         (Output_section::Input_section_sort_compare): Sort based on
 188         special ordering.
 189         (Output_section::Input_section_sort_section_order_index_compare):
 190         Revert last patch.
 191         (Output_section::sort_attached_input_sections): Likewise.
 192
 193 2012-12-18  Sriraman Tallam  <tmsriram@google.com>
 194
 195         * layout.cc (Layout::is_section_name_prefix_grouped): New function.
 196         * layout.h (Layout::is_section_name_prefix_grouped): New function.
 197         * output.cc (Output_section::add_input_section): Check if section
 198         name contains special prefix.  Keep input sections to sort such
 199         sections.
 200         (Output_section::Input_section_sort_section_order_index_compare
 201          ::operator()): Group sections according to prefixes.
 202         (Output_section::sort_attached_input_sections): Add condition to
 203         Input_section_entry constructor call.
 204         * testsuite/Makefile.am (text_section_grouping): New test.
 205         * testsuite/Makefile.in: Regenerate.
 206         * testsuite/text_section_grouping.cc: New file.
 207         * testsuite/text_section_grouping.sh: New file.
 208
 209 2012-12-17  Nick Clifton  <nickc@redhat.com>
 210
 211         * Makefile.am: Add copyright notice.
 212         * NEWS: Likewise.
 213         * README: Likewise.
 214         * configure.ac: Likewise.
 215         * ftruncate.c: Likewise.
 216         * Makefile.in: Regenerate.
 217
 218 2012-12-14  Cary Coutant  <ccoutant@google.com>
 219
 220         * testsuite/Makefile.am (exception_separate_shared_12_test): Add
 221         --no-as-needed flag.
 222         (exception_separate_shared_12_test): Likewise.
 223         (incremental_copy_test): Likewise.
 224         * testsuite/Makefile.in: Regenerate.
 225
 226 2012-12-14  Cary Coutant  <ccoutant@google.com>
 227
 228         * dwp.cc (Dwp_output_file::add_cu_set): Check for duplicate CUs.
 229         (Dwp_output_file::Dwp_index::enter_set): Add assert.
 230
 231 2012-12-12  Alan Modra  <amodra@gmail.com>
 232
 233         * powerpc.cc (class Track_tls): New.
 234         (class Relocate, class Scan): Inherit Track_tls.
 235         (Target_powerpc::Scan::local, global): Track tls optimization
 236         and avoid creating plt entry for __tls_get_addr if all uses
 237         are optimized away.
 238         (Target_powerpc::Relocate::relocate): Update to use Track_tls.
 239
 240 2012-12-12  Alan Modra  <amodra@gmail.com>
 241
 242         * options.h (General_options): Add --toc-sort/--no-toc-sort.
 243         Replace no_toc_optimize with toc_optimize.
 244         * output.h (Output_section::input_sections): Provide non-const variant.
 245         * powerpc.cc (Powerpc_relobj::has_small_toc_reloc_,
 246         set_has_small_toc_reloc, has_small_toc_reloc): New variable and
 247         accessors.
 248         (Target_powerpc::Scan::local, global): Call set_has_small_toc_reloc.
 249         (class Sort_toc_sections): New.
 250         (Target_powerpc::do_finalize_sections): Sort toc sections.
 251         (Target_powerpc::Relocate::relocate): Update toc_optimize test.
 252
 253 2012-12-10  Roland McGrath  <mcgrathr@google.com>
 254
 255         * testsuite/binary_unittest.cc (read_all): New function.
 256         (Sized_binary_test): Use it instead of ::read.
 257         * fileread.cc (do_read): Don't assume pread always reads the whole
 258         amount in a single call.
 259
 260 2012-12-10  Alan Modra  <amodra@gmail.com>
 261
 262         * powerpc.cc (Target_selector_powerpc::Target_selector_powerpc):
 263         Set EM_PPC64 or EM_PPC here.
 264         (Target_selector_powerpc::do_recognize): Delete.
 265
 266 2012-12-10  Alan Modra  <amodra@gmail.com>
 267
 268         * powerpc.cc (Powerpc_relobj::Powerpc_relobj): Init has14_ and
 269         stub_table_.
 270         (Target_powerpc::Branch_info::make_stub): Don't omit addend.
 271
 272 2012-12-07  Roland McGrath  <mcgrathr@google.com>
 273
 274         * testsuite/binary_unittest.cc (Sized_binary_test):
 275         Use open_descriptor rather than ::open.
 276
 277 2012-12-07  Alan Modra  <amodra@gmail.com>
 278
 279         * powerpc.cc (Stub_table::do_write): Delete redundant Address
 280         typedef and invalid_address constant.
 281         (Output_data_glink, Stub_table, Target_powerpc): Explicitly
 282         instantiate constants.
 283
 284 2012-12-06  Roland McGrath  <mcgrathr@google.com>
 285
 286         * configure.ac (HAVE_ZLIB): Use AM_ZLIB instead of AC_SEARCH_LIBS.
 287         Use $ac_cv_header_zlib_h = yes as the condition in AM_CONDITIONAL.
 288         * aclocal.m4: Regenerate.
 289         * configure: Regenerate.
 290         * Makefile.in: Regenerate.
 291         * testsuite/Makefile.in: Regenerate.
 292
 293 2012-12-07  Alan Modra  <amodra@gmail.com>
 294
 295         * options.h (General_options): Add no_toc_optimize.
 296         * powerpc.cc (ok_lo_toc_insn): New function.
 297         (Target_powerpc::Relocate::relocate): Optimize toc access sequences.
 298
 299 2012-12-06  Alan Modra  <amodra@gmail.com>
 300
 301         * options.h (General_options): Add plt_align, plt_static_chain,
 302         plt_thread_safe.  Update stub_group_size help text.
 303         * powerpc.cc (Target_powerpc::plt_thread_safe): New access function
 304         for new plt_thread_safe_ var.
 305         (use_plt_offset): Correct comments.
 306         (Target_powerpc::do_relax): Look for thread creation symbols to
 307         determine default plt_thread_safe value.  Clear plt call stubs
 308         as well as branch stubs each iteration.
 309         (add_2_2_11, add_12_12_11, bnectr_p4, cmpldi_2_0, xor_11_11_11): New
 310         insn constants.
 311         (l, hi, ha, write_insn): Move earlier.
 312         (Stub_table): Delete prev_size, add last_plt_size and last_branch_size.
 313         (Stub_table::clear_stubs): Rename from clear_long_branch_stubs, clear
 314         plt stubs too.
 315         (Stub_table::update_size): Adjust.
 316         (Stub_table::prev_size, set_prev_size): Delete.
 317         (Stub_table::stub_align): Let --plt-align affect result.
 318         (Stub_table::plt_call_size): Calculate sizes for various stubs.
 319         (Stub_table::branch_stub_size): Use last_plt_size in address calc.
 320         (Stub_table::add_plt_call_stub): Pass iterator to plt_call_size.
 321         (Stub_table::do_write): Support more stub variants.
 322
 323 2012-12-04  Alan Modra  <amodra@gmail.com>
 324
 325         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Delete.
 326         (Target_powerpc::do_define_standard_symbols): New function.
 327
 328 2012-12-03  Alan Modra  <amodra@gmail.com>
 329
 330         * output.h: Formatting, whitespace.
 331
 332 2012-12-03  Alan Modra  <amodra@gmail.com>
 333
 334         * layout.h (Layout::get_executable_sections): Declare.
 335         * layout.cc (Layout::get_executable_sections): New function.
 336         * arm.cc (Target_arm::group_sections): Use it.
 337         (Arm_output_section::group_sections): Delete now redundant test.
 338         * output.cc (Output_reloc::Output_reloc): Add is_relative.
 339         param to handle relative relocs.
 340         * output.h (Output_reloc::Output_reloc <absolute reloc>): Likewise.
 341         (Output_data_reloc::add_absolute): Adjust.
 342         (Output_data_reloc::add_relative): New function.
 343         (Output_data::reset_data_size): New function.
 344         (Output_relaxed_input_section::set_relobj, set_shndx): New functions.
 345         (Output_section::set_addralign): New function.
 346         (Output_section::checkpoint_set_addralign): New function.
 347         (Output_section::clear_section_offsets_need_adjustment): New function.
 348         (Output_section::input_sections): Make public.
 349         * powerpc.cc (class Output_data_brlt_powerpc): New.
 350         (class Stub_table, class Stub_control): New.
 351         (Powerpc_relobj::has14_, set_has_14bit_branch, has_14bit_branch,
 352         stub_table_, set_stub_table, stub_table): New vectors and accessor
 353         functions.
 354         (Target_powerpc::do_may_relax, do_relax, push_branch,
 355         new_stub_table, stub_tables, brlt_section, group_sections,
 356         add_branch_lookup_table, find_branch_lookup_table,
 357         write_branch_lookup_table, make_brlt_section): New functions.
 358         (Target_powerpc::struct Sort_sections, class Branch_info): New.
 359         (Target_powerpc::brlt_section_, stub_tables_, branch_lookup_table_,
 360         branch_info_): New vars.
 361         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Don't
 362         make call stubs here.
 363         (Output_data_glink): Remove all call stub handling from this class.
 364         (Target_powerpc::Scan::local, global): Save interesting branch
 365         relocs and relocs for ifunc.  Adjust calls to plt entry functions.
 366         (Target_powerpc::do_finalize_sections): Only make reg save/restore
 367         functions on final link.
 368         (Target_powerpc::Relocate::relocate): Adjust lookup of call stubs.
 369         Handle long branch destinations too.
 370         (Target_powerpc::do_dynsym_value, do_plt_address_for_global,
 371         do_plt_address_for_local): Adjust lookup of plt call stubs.
 372
 373 2012-11-30  Alan Modra  <amodra@gmail.com>
 374
 375         * powerpc.c (Target_powerpc::Scan::global): Don't emit relative
 376         relocs against protected symbols when building 32-bit shared libs.
 377
 378 2012-11-30  Alan Modra  <amodra@gmail.com>
 379
 380         * powerpc.cc (Target_powerpc::make_plt_section): Add symtab
 381         param.  Call got_section() to make .got.  Update all callers
 382         and their callers and so on.
 383
 384 2012-11-30  Alan Modra  <amodra@gmail.com>
 385
 386         * powerpc.cc (Powerpc_relobj::do_scan_relocs): Make STB_LOCAL
 387         _GLOBAL_OFFSET_TABLE_ rather than STB_WEAK.
 388         (Output_data_got_powerpc::make_header): Update _GLOBAL_OFFSET_TABLE_
 389         value if it already exists.
 390
 391 2012-11-19  H.J. Lu  <hongjiu.lu@intel.com>
 392
 393         PR gold/14858
 394         * x86_64.cc (Relocate::tls_ld_to_le): Support x32.
 395
 396 2012-11-14  Roland McGrath  <mcgrathr@google.com>
 397
 398         * arm.cc (Output_data_plt_arm_nacl::first_plt_entry): Use bic rather
 399         than bfc instruction for data sandboxing.
 400
 401 2012-11-08  Alan Modra  <amodra@gmail.com>
 402
 403         * po/POTFILES.in: Regenerate.
 404
 405 2012-11-05  Alan Modra  <amodra@gmail.com>
 406
 407         * configure.ac: Apply 2012-09-10 change to config.in here.
 408         * configure: Regenerate.
 409
 410 2012-11-05  Alan Modra  <amodra@gmail.com>
 411
 412         * powerpc.cc (Powerpc_relobj): Delete "Offset" typedef.
 413         (struct Opd_ent): Use "Address" rather than "Offset".
 414         (Output_data_got_powerpc::got_base_offset): Return Valtype.
 415         (Target_powerpc::got_section): Make public.
 416         (Target_powerpc::scan_relocs): Move code setting symbols..
 417         (Powerpc_relobj::do_scan_relocs): ..to here, new function.
 418         Create _SDA_BASE_ only when referenced.
 419
 420 2012-11-02  Roland McGrath  <mcgrathr@google.com>
 421
 422         * i386.cc (Target_i386::relocate_relocs): Remove extraneous typename
 423         from last change.
 424
 425 2012-11-01  Roland McGrath  <mcgrathr@google.com>
 426
 427         * target.h (Sized_target::relocate_relocs): Use Elf_Off
 428         for offset_in_output_section parameter.
 429         (Sized_target::relocate_special_relocatable): Likewise.
 430         * arm.cc (Target_arm::relocate_relocs): Likewise.
 431         (Target_arm::relocate_special_relocatable): Likewise.
 432         * i386.cc (Target_i386::relocate_relocs): Likewise.
 433         * powerpc.cc (Target_powerpc::relocate_relocs): Likewise.
 434         * sparc.cc (Target_sparc::relocate_relocs): Likewise.
 435         * target-reloc.h (relocate_relocs): Likewise.
 436         * testsuite/testfile.cc (Target_test): Likewise.
 437         * tilegx.cc (Target_tilegx::relocate_relocs): Likewise.
 438         * x86_64.cc (Target_x86_64::relocate_relocs): Likewise.
 439
 440         * system.h: Move inclusion of <clocale> to after <libintl.h> in
 441         [ENABLE_NLS] section, and separately at top of [!ENABLE_NLS] section.
 442
 443         * descriptors.cc (set_close_on_exec): Add ATTRIBUTE_UNUSED to the
 444         parameter, which is unused in the [!F_SETFD] case.
 445
 446         * dwarf_reader.cc (Sized_elf_reloc_mapper::symbol_section): Cast
 447         SYMNDX to off_t before comparing it to this->data_size().
 448         * output.cc (Output_symtab_xindex::endian_do_write): Likewise.
 449         * incremental.cc (Output_section_incremental_inputs::do_write):
 450         Cast GLOBAL_SYM_COUNT to off_t before comparing it to SYMTAB_SIZE.
 451
 452         * nacl.cc: Include "libiberty.h" for vasprintf declaration.
 453
 454 2012-10-30  Steve McIntyre  <steve.mcintyre@linaro.org>
 455
 456         * gold.cc (Target_arm::do_adjust_elf_header): Add the
 457         hard-float/soft-float ABI flag as appropriate for ET_DYN/ET_EXEC
 458         in EABI_VER5.
 459
 460 2012-10-29  Cary Coutant  <ccoutant@google.com>
 461
 462         * dwp.cc (usage): Add file and exit status parameters;
 463         add --help and --version options.
 464         (print_version): New function.
 465         (main): Add --help and --version options.
 466
 467 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
 468
 469         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add
 470         final_layout_sequence.txt.
 471         * testsuite/Makefile.in: Regenerated.
 472
 473 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
 474
 475         * testsuite/Makefile.am (COMPILE1): New variable. Renamed from
 476         COMPILE generated by automake.
 477         (LINK1): Likewise.
 478         (CXXCOMPILE1): Likewise.
 479         (CXXLINK1): Likewise.
 480         (COMPILE): Strip out -Wp,-D_FORTIFY_SOURCE= from COMPILE1.
 481         (LINK): Likewise.
 482         (CXXCOMPILE): Likewise.
 483         (CXXLINK): Likewise.
 484         * testsuite/Makefile.in: Regenerated.
 485
 486 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
 487
 488         * dwp.cc (Dwo_file::record_target_info): Issue a fatal error
 489         on bad fwrite return.
 490
 491 2012-10-25  H.J. Lu  <hongjiu.lu@intel.com>
 492
 493         * dwp.cc (Dwo_file::remap_str_offset): Use section_offset_type
 494         on val.
 495
 496 2012-10-23  Cary Coutant  <ccoutant@google.com>
 497
 498         * testsuite/Makefile.am (TEST_OBJCOPY): New macro.
 499         * testsuite/Makefile.in: Regenerate.
 500         * testsuite/dwp_test.h: New source file.
 501         * testsuite/dwp_test_1.cc: New source file.
 502         * testsuite/dwp_test_1.s: New source file.
 503         * testsuite/dwp_test_1.sh: New source file.
 504         * testsuite/dwp_test_1b.cc: New source file.
 505         * testsuite/dwp_test_1b.s: New source file.
 506         * testsuite/dwp_test_2.cc: New source file.
 507         * testsuite/dwp_test_2.s: New source file.
 508         * testsuite/dwp_test_2.sh: New source file.
 509         * testsuite/dwp_test_main.cc: New source file.
 510         * testsuite/dwp_test_main.s: New source file.
 511
 512 2012-10-23  Cary Coutant  <ccoutant@google.com>
 513
 514         * dwp.h: New header file.
 515         * dwp.cc: New source file.
 516         * gold.h: Move shared declarations to system.h.
 517         * system.h: New header file.
 518         * Makefile.am: Add dwp.
 519         * Makefile.in: Regenerate.
 520
 521 2012-10-23  Cary Coutant  <ccoutant@google.com>
 522
 523         * dwarf_reader.cc (Dwarf_ranges_table::read_range_list): Call
 524         Dwarf_info_reader::read_from_pointer.
 525         (Dwarf_pubnames_table::read_header): Likewise.
 526         (Dwarf_pubnames_table::next_name): Likewise.
 527         (Dwarf_die::read_attributes): Likewise.
 528         (Dwarf_die::skip_attributes): Likewise.
 529         (Dwarf_info_reader::read_from_pointer): New function template.
 530         * dwarf_reader.h (Dwarf_ranges_table): Add dwinfo_.
 531         (Dwarf_pubnames_table): Likewise.
 532         (Dwarf_info_reader::read_from_pointer): New function template.
 533         * gdb-index.cc (Gdb_index_info_reader): Adjust call to
 534         Dwarf_pubnames_table ctor.
 535
 536 2012-10-23  Cary Coutant  <ccoutant@google.com>
 537
 538         * dwarf_reader.cc (Dwarf_info_reader::do_parse): Use stored
 539         abbrev_shndx.
 540         * dwarf_reader.h (Dwarf_info_reader::Dwarf_info_reader): Initialize
 541         abbrev_shndx_.
 542         (Dwarf_info_reader::set_abbrev_shndx): New method.
 543         (Dwarf_info_reader::abbrev_shndx_): New data member.
 544
 545 2012-10-23  Cary Coutant  <ccoutant@google.com>
 546
 547         * dwarf_reader.cc (make_elf_reloc_mapper): Check size and endianness
 548         from object, not parameters.
 549         (Dwarf_info_reader::parse): Likewise.
 550         * object.h (Relobj::elfsize, Relobj::is_big_endian): New methods.
 551         (Relobj::do_elfsize, Relobj::do_is_big_endian): New methods.
 552         (Sized_relobj::do_elfsize, Sized_relobj::do_is_big_endian): New
 553         methods.
 554
 555 2012-10-23  Cary Coutant  <ccoutant@google.com>
 556
 557         * fileread.cc (Input_file::Input_file): New constructor.
 558         * fileread.h (class Input_file): Add new constructor.
 559
 560 2012-10-18  Alan Modra  <amodra@gmail.com>
 561
 562         PR gold/14727
 563         * object.cc (Relobj::is_section_name_included): Also match
 564         .sdata personality section.
 565
 566 2012-10-18  Alan Modra  <amodra@gmail.com>
 567
 568         * target-reloc.h (class Default_comdat_behavior): New, package up..
 569         (get_comdat_behaviour): ..this.
 570         (relocate_section): Add Relocate_comdat_behavior template arg,
 571         adjust code to suit.
 572         * arm.cc (Target_arm::relocate_section): Adjust to suit.
 573         (Target_arm::scan_reloc_section): Likewise.
 574         * i386.cc (Target_i386::relocate_section): Likewise.
 575         * sparc.cc (Target_sparc::relocate_section): Likewise.
 576         * tilegx.cc (Target_tilegx::relocate_section): Likewise.
 577         * x86_64.cc (Target_x86_64::relocate_section): Likewise.
 578         * powerpc.cc (class Relocate_comdat_behavior): New.
 579         (Target_powerpc::relocate_section): Don't zap opd relocs.  Supply
 580         gold::relocate_section with new template arg.
 581
 582 2012-10-18  Alan Modra  <amodra@gmail.com>
 583
 584         * powerpc.cc (Target_powerpc::Scan::local, global): Always emit
 585         dynamic relocs for GOT_TPREL got entries, without symbol if
 586         resolving locally.
 587         (Target_powerpc::do_gc_add_reference): Don't add for dynamic objects.
 588         (Target_powerpc::scan_relocs): Define _GLOBAL_OFFSET_TABLE_ early.
 589         (Target_powerpc::Relocate:relocate): REL32 reloc may be unaligned.
 590
 591 2012-10-17  Alan Modra  <amodra@gmail.com>
 592
 593         PR gold/14726
 594         * gold.cc (queue_middle_tasks): Call gc_mark_symbol on _init and _fini.
 595
 596 2012-10-16  Sriraman Tallam  <tmsriram@google.com>
 597
 598         * layout.cc (Layout::include_section): Keep sections marked
 599         SHF_EXCLUDE when doing relocatable links.
 600
 601 2012-10-16  Alan Modra  <amodra@gmail.com>
 602
 603         * powerpc.cc (Target_powerpc::define_save_restore_funcs): New func.
 604         (Target_powerpc::do_finalize_sections): Call it.
 605         (Output_data_save_res): New class and supporting functions.
 606         (Target_powerpc::symval_for_branch): Only look up .opd entry for
 607         normal symbols defined in object files.
 608
 609 2012-10-12  Alan Modra  <amodra@gmail.com>
 610
 611         * powerpc.cc (Powerpc_relobj::add_gc_mark, process_gc_mark): New.
 612         (struct Opd_ent): Make "discard" a bit field.  Add "gc_mark".
 613         (Target_powerpc::do_gc_mark_symbol): Delay marking function code
 614         section if scan_opd_relocs not yet called.
 615         (Target_powerpc::gc_process_relocs): Call process_gc_mark.
 616
 617 2012-10-12  Alan Modra  <amodra@gmail.com>
 618
 619         * powerpc.cc (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
 620         add_local_ifunc_entry): Revert last change.
 621         (Target_powerpc::make_plt_entry, make_local_ifunc_plt_entry): Likewise.
 622
 623 2012-10-05  Alan Modra  <amodra@gmail.com>
 624
 625         * powerpc.cc (Target_powerpc::do_plt_address_for_local,
 626         do_plt_address_for_global): New functions.
 627         (Output_data_got_powerpc::do_write): Don't segfault when linking
 628         statically.
 629         (Output_data_plt_powerpc::add_entry, add_ifunc_entry,
 630         add_local_ifunc_entry): Return true on adding entry..
 631         (Target_powerpc::make_plt_entry): ..use to avoid unnecessary
 632         glink->add_entry call.  Remove unused symtab param.  Adjust calls.
 633         (Target_powerpc::make_local_ifunc_plt_entry): Likewise.
 634         (Target_powerpc::make_iplt_section): Remove symtab param.  Don't
 635         set up symbols here.
 636         (Target_powerpc::do_finalize_sections): Instead set up __rela_iplt
 637         syms here.  Do so even when no .iplt.  Don't segfault when linking
 638         statically.
 639         (Output_data_glink::add_entry, find_entry): Rearrange params.  Add
 640         new variants without reloc param.
 641         (Glink_sym_ent::Glink_sym_ent): Likewise.
 642         (Target_powerpc::Scan::reloc_needs_plt_for_ifunc): Accept any
 643         reloc when refs will resolve to plt call stub.
 644         (Target_powerpc::Scan::local): Correct ifunc handling.  Allow
 645         R_PPC_PLTREL24 to resolve locally.
 646         (Target_powerpc::Scan::global): Correct ifunc handling.
 647         (Target_powerpc::Relocate::relocate): Correct local sym glink
 648         lookup.  Don't destroy "value" when we have a plt call stub,
 649         and when checking plt call validity.
 650         (Target_powerpc::do_dynsym_value): Simplify.
 651
 652 2012-10-05  Alan Modra  <amodra@gmail.com>
 653
 654         * i386.cc (Output_data_plt_i386::address_for_global,
 655         address_for_local): Add plt offset to returned value.  Adjust uses.
 656         * sparc.cc (Output_data_plt_sparc::address_for_global,
 657         address_for_local): Likewise.
 658         * tilegx.cc (Output_data_plt_tilegx::address_for_global,
 659         address_for_local): Likewise.
 660         * x86_64.cc (Output_data_plt_x86_64::address_for_global,
 661         address_for_local): Likewise.
 662         * target.h (Target::plt_address_for_global, plt_address_for_local):
 663         Update comment.
 664         * output.cc (Output_reloc::symbol_value): Don't add plt offset here.
 665         (Output_data_got::Got_entry::write): Nor here.
 666         * output.h: Comment fix.
 667
 668 2012-10-02  Jiong Wang  <jiwang@tilera.com>
 669
 670         * tilegx.cc (Target_tilegx::do_finalize_sections): Adjust
 671         global_offset_table_ value for larget got.
 672         (Target_tilegx::Relocate::relocate): Handle adjusted got value.
 673
 674 2012-09-29  Alan Modra  <amodra@gmail.com>
 675
 676         * powerpc.cc (Target_powerpc::iplt_): New output section.
 677         (Target_powerpc::iplt_section, make_iplt_section,
 678         reloc_needs_plt_for_ifunc, make_local_ifunc_plt_entry): New functions.
 679         (Target_powerpc::make_plt_entry): Handle ifunc syms.
 680         Target_powerpc::plt_entry_count): Count iplt entries too.
 681         (Output_data_plt_powerpc::Output_data_plt_powerpc): Don't create
 682         reloc section in constructor.  New params.
 683         (Target_powerpc::make_plt_section): Create reloc section here instead.
 684         (Output_data_plt_powerpc::add_ifunc_entry, add_local_ifunc_entry): New
 685         functions.
 686         (Output_data_plt_powerpc::initial_plt_entry_size_, name_): New vars.
 687         (Output_data_glink::add_entry, find_entry): New functions to
 688         deal with local syms.
 689         (Glink_sym_ent): Add support for local syms.
 690         (Output_data_glink::do_write): Handle ifunc plt entries.
 691         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
 692         (Target_powerpc::Scan::local, global): Handle ifunc syms.
 693         (Target_powerpc::Relocate::relocate): Likewise.
 694         (Target_powerpc::do_dynsym_value): Use glink stub, not plt entry.
 695
 696 2012-09-25  Alan Modra  <amodra@gmail.com>
 697
 698         * object.h (Sized_relobj_file::adjust_local_symbol,
 699         do_adjust_local_symbol): New functions.
 700         * object.cc (Sized_relobj_file::do_count_local_symbols): Use the above.
 701         * powerpc.cc (Powerpc_relobj::do_adjust_local_symbol): New function.
 702         (Powerpc_relobj::scan_opd_relocs): Warn on unexpected opd relocs
 703         and irregular opd entry spacing.
 704         (Powerpc_relobj::do_read_relocs): Add opd size checks.
 705         (Global_symbol_visitor_opd): New functor.
 706         (Target_powerpc::do_finalize_sections): Omit global symbols defined
 707         on deleted opd entries.
 708
 709 2012-09-15  Jiong Wang  <jiwang@tilera.com>
 710
 711         * tilegx.cc: New file.
 712         * Makefile.am (TARGETSOURCES): Add tilegx.cc
 713         (ALL_TARGETOBJS): Add tilegx.$(OBJEXT)
 714         * configure.tgt: Add entries for tilegx*.
 715         * configure.ac: Likewise.
 716         * Makefile.in: Rebuild.
 717         * configure: Likewise.
 718         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Handle
 719         tilegx.
 720
 721 2012-09-13  Alan Modra  <amodra@gmail.com>
 722
 723         * target-reloc.h (scan_relocs): Call scan.local for relocs
 724         against symbols in discarded sections.  Pass is_discarded
 725         param.
 726         * arm.cc, * i386.cc, * sparc.cc, * x86_64.cc (Target_*::Scan::local):
 727         Add is_discarded param.
 728         * powerpc (Target_powerpc::Scan::local): Likewise.  Use
 729         is_discarded to flag opd entry as discarded.  Don't emit dyn
 730         relocs on such entries.
 731         (Target_powerpc::Scan::global): Similarly detect and handle
 732         such opd entries.
 733         (Powerpc_relobj): Replace opd_ent_shndx_ and opd_ent_off_ with
 734         opd_ent_.  Update all uses.
 735         (Powerpc_relobj::get_opd_discard, set_opd_discard): New functions.
 736         (Target_powerpc::relocate_section): Zero out discarded opd
 737         entry relocs.
 738
 739 2012-09-12  Ian Lance Taylor  <iant@google.com>
 740
 741         PR gold/14570
 742         * output.cc: Rename Output_data_got template parameter from size
 743         to got_size for all functions.  Compile all variants of
 744         Output_data_got.
 745         (Output_data_got::Got_entry::write): Correct use of size for
 746         symbol value.  Use local_is_tls rather than casting to
 747         Sized_relobj_file.
 748         * object.h (class Object): Add local_is_tls and do_local_is_tls.
 749         (class Sized_relobj_file): Add do_local_is_tls.
 750         * incremental.h (class Sized_relobj_incr): Add do_local_is_tls.
 751
 752 2012-09-11  Alan Modra  <amodra@gmail.com>
 753
 754         PR gold/14566
 755         * layout.cc (Layout::set_segment_offsets): When using
 756         common-page-size alignment, ensure we are on a new max-page-size
 757         page.
 758         * output.cc (Output_segment::set_section_addresses): Use
 759         abi_pagesize, not common_pagesize for relro boundary.
 760         (Output_segment::set_offset): Likewise.
 761
 762 2012-09-11  Alan Modra  <amodra@gmail.com>
 763
 764         * output.h (Output_data_got::add_global_tls, add_local_tls,
 765         add_local_tls_pair): New functions.
 766         (Output_data_got::add_local_pair_with_rel): Remove second
 767         reloc param.  Expand comment.
 768         (Output_data_got::Got_entry): Rename use_plt_offset_ to
 769         use_plt_or_tls_offset_, similarly for constructor param.
 770         (Output_data_got::Got_entry::write): Add got_index param.
 771         * output.cc (Output_data_got::add_global_tls, add_local_tls,
 772         add_local_tls_pair): New functions.
 773         (Output_data_got::Got_entry::write): Handle tls symbols
 774         with use_plt_or_tls_offset_ set specially.
 775         (Output_data_got::add_local_pair_with_rel): Only one reloc.
 776         (Output_data_got::do_write): Replace iterator with index, pass
 777         index to entry write function.
 778         * target.h (Target::tls_offset_for_local, tls_offset_for_global,
 779         do_tls_offset_for_local, do_tls_offset_for_global): New functions.
 780         * arm.cc (Target_arm::Scan::local): Update add_local_pair_with_rel
 781         call.
 782         * i386.cc (Target_i386::Scan::local): Likewise.
 783         * sparc.cc (Target_sparc::Scan::local): Likewise.
 784         * x86_64.cc (Target_x86_64::Scan::local): Likewise.
 785         * powerpc.cc (Target_powerpc::do_tls_offset_for_local,
 786         do_tls_offset_for_global): New functions.
 787         (Target_powerpc::Scan::local): Correct TLS relocations and got
 788         entry values.
 789         (Target_powerpc::Scan::global): Don't emit unnecessary
 790         dynamic relocations on TLS GOT entries.
 791
 792 2012-09-10  Matthias Klose  <doko@ubuntu.com>
 793
 794         * config.in: Disable sanity check for kfreebsd.
 795
 796 2012-09-10  Sterling Augustine  <saugustine@google.com>
 797
 798         * gdb-index.cc (Gdb_index::pubnames_read): New parameter.
 799         (Gdb_index::pubtypes_read): New parameter.
 800         (Gdb_index_info_reader::read_pubnames_and_pubtypes): Add parameters
 801         to calls.
 802         * gdb-index.h (Gdb_index): New fields pubnames_object_ and
 803         pubtypes_object_.
 804
 805 2012-09-09  Alan Modra  <amodra@gmail.com>
 806
 807         * target.h (Target::gc_mark_symbol, do_gc_mark_symbol): New functions.
 808         (Sized_target::gc_add_reference, do_gc_add_reference): New functions.
 809         * gc.h (gc_process_relocs): Call target gc_add_reference.
 810         * gold.cc (queue_middle_tasks): Use gc_mark_symbol on start sym.
 811         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Use gc_mark_symbol.
 812         (Symbol_table::gc_mark_symbol): Call target gc_mark_symbol. Remove
 813         unnecessary cast.
 814         * powerpc.cc (Powerpc_relobj::get_opd_ent): Rearrange parameters
 815         to cater for when we don't need code offset.  Update use.
 816         (Powerpc_relobj::access_from_map_, opd_valid_): New vars.
 817         (Powerpc_relobj::access_from_map, add_reference, opd_valid,
 818         set_opd_valid): New functions.
 819         (Target_powerpc::do_gc_add_reference): New function.
 820         (Target_powerpc::gc_process_relocs): Call gc()->add_reference on
 821         stashed refs.
 822         (Target_powerpc::do_gc_mark_symbol): New function.
 823
 824 2012-09-06  Cary Coutant  <ccoutant@google.com>
 825
 826         * dwarf_reader.cc (Dwarf_die::read_attributes): Add
 827         DW_FORM_GNU_addr_index and DW_FORM_GNU_str_index.
 828         (Dwarf_die::skip_attributes): Likewise.
 829         * object.cc (Read_symbols_data::~Read_symbols_data): Update comment.
 830         * testsuite/gdb_index_test.cc (inline_func_1): New function.
 831         (main): Call it.
 832         * testsuite/gdb_index_test_comm.sh: Check index for inline function.
 833
 834 2012-09-05  H.J. Lu  <hongjiu.lu@intel.com>
 835
 836         * testsuite/script_test_3.t: Add .got.plt output section
 837         statement.
 838         * testsuite/script_test_4.t: Likewise.
 839
 840 2012-09-05  Alan Modra  <amodra@gmail.com>
 841
 842         * powerpc.cc (Powerpc_relocate_functions): Upcase enum values,
 843         update all uses and lose "enum" when using type.
 844
 845 2012-09-05  Alan Modra  <amodra@gmail.com>
 846
 847         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): False for powerpc.
 848         * configure: Regenerate.
 849         * testsuite/Makefile.am (final_layout.stdout): Pass --synthetic to nm.
 850         (plugin_final_layout.stdout): Likewise.
 851         (memory_test): Set page sizes to 0x1000.
 852         * testsuite/Makefile.in: Regenerate.
 853         * testsuite/discard_locals_test.sh: Add FIXME comment.
 854         * testsuite/justsyms_exec.c: Disable function test for powerpc64.
 855         * testsuite/pr14265.t: Add .got output section statement.
 856         * testsuite/script_test_2.t: Likewise.
 857         * testsuite/script_test_3.t: Likewise.
 858         * testsuite/script_test_4.t: Likewise.
 859         * testsuite/script_test_5.t: Likewise.
 860         * testsuite/script_test_6.t: Likewise.
 861         * testsuite/script_test_7.t: Likewise.
 862         * testsuite/script_test_9.t: Likewise.
 863
 864 2012-09-05  Alan Modra  <amodra@gmail.com>
 865
 866         * powerpc.cc (Powerpc_relobj::get_opd_ent): Make const.
 867         (Powerpc_relocate_functions::Status): New typedef.
 868         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
 869         (Target_powerpc::Scan::local): Handle REL64.
 870         (Target_powerpc::Scan::global): Likewise, and dynamic relocs
 871         for REL32 and REL64.
 872         (Target_powerpc::symval_for_branch): New function, extracted from..
 873         (Target_powerpc::Relocate::relocate): ..here.  Correct plt call
 874         checks.  Report overflow errors.
 875
 876 2012-09-05  Alan Modra  <amodra@gmail.com>
 877
 878         * object.h (Sized_relobj_file::emit_relocs): Delete.
 879         (Sized_relobj_file::emit_relocs_reltype): Delete.
 880         * reloc.cc (Sized_relobj_file::do_relocate_sections): Call target
 881         relocate_relocs for --emit-relocs.
 882         (Sized_relobj_file::emit_relocs, emit_relocs_reltype): Delete.
 883         * output.h: Update comment.
 884         (Output_segment::first_section): New function.
 885         (Output_segment::first_section_load_address): Use first_section.
 886         * output.cc (Output_segment::first_section): New function extracted..
 887         (Output_segment::first_section_load_address): ..from here.  Delete.
 888         * target-reloc.h (relocate_for_relocatable): Rename to relocate_relocs.
 889         * target.h (Sized_target::relocate_for_relocatable): Likewise.
 890         * arm.cc (Target_arm::relocate_for_relocatable): Likewise, and
 891         adjust call to target.h function.
 892         * i386.cc (Target_i386): Likewise.
 893         * sparc.cc (Target_sparc): Likewise.
 894         * x86_64.cc (Target_x86_64): Likewise.
 895         * powerpc.cc (Target_powerpc): Likewise.
 896         (Target_powerpc::Scan::local, global): Handle R_POWERPC_TLS.  Ensure
 897         first tls section has section symbol for optimised local dynamic
 898         output relocs.
 899         (Target_powerpc::Relocate::relocate): Correct local dynamic value.
 900         (Target_powerpc::relocate_relocs): Adjust relocs emitted for
 901         optimised tls code.
 902         * testsuite/testfile.cc (Target_test::relocate_for_relocatable):
 903         Rename to relocate_relocs.  Update error message.
 904
 905 2012-09-04  Andreas Schwab  <schwab@linux-m68k.org>
 906
 907         * powerpc.cc (do_make_elf_object): Allow ET_EXEC files with
 908         --just-symbols.
 909
 910 2012-08-31  Alan Modra  <amodra@gmail.com>
 911
 912         * powerpc.cc (Powerpc_relobj): Add and use Address typedef.
 913         (Powerpc_relobj::toc_base_offset): New stub function.
 914         (Target_powerpc): Add tp_offset, dtp_offset.  Rename
 915         got_mod_index_offset to tlsld_got_offset.  Update all refs.
 916         (Target_powerpc::Relocate::enum skip_tls): New.
 917         (Target_powerpc::call_tls_get_addr_): New var.
 918         (Target_powerpc::is_branch_reloc): Move to file scope.
 919         (Target_powerpc::relocate_tls, optimize_tls_reloc): Delete.
 920         (Target_powerpc::optimize_tls_gd, optimize_tls_ld, optimize_tls_ie):
 921         New functions.
 922         (Target_powerpc::enum Got_type): Delete old values, add new ones.
 923         (powerpc_info): Correct common_pagesize for ppc64.
 924         (at_tls_transform, needs_dynamic_reloc, use_plt_offset): New functions.
 925         (Powerpc_relocate_functions): Add overflow check enums and functions.
 926         Add non-shift version of rela, rela_ua.  Delete all rel public
 927         functions.  Delete addr16_lo.  Add addr64, addr64_u, addr32,
 928         addr32_u, addr24, addr16_u, addr16_hi2, addr16_ha2, addr16_hi3,
 929         addr16_ha3, addr14 functions.
 930         (Output_data_got_powerpc::add_constant_pair): New function.
 931         (Output_data_got_powerpc::got_base_offset): Likewise.
 932         (Output_data_got_powerpc::do_write): Correct 64-bit got header.
 933         (instruction constants): Sort, add some more.
 934         (Output_data_glink::do_write): Add and use Address typedef.  Use
 935         object->toc_base_offset() stub for 64-bit.
 936         (Target_powerpc::tlsld_got_offset): Use add_constant_pair.
 937         (Target_powerpc::Scan::get_reference_flags): Handle more relocs.
 938         (Target_powerpc::Scan::local, global): Emit relative dynamic reloc
 939         for R_PPC64_TOC.  Handle more relocs.  Generate got entries for TLS.
 940         Always treat .opd relocs as against locally defined symbol.
 941         Correct condition for RELATIVE relocs.
 942         (Target_powerpc::do_finalize_sections): Test for NULL sections.
 943         (Target_powerpc::Relocate::relocate): Use plt call stub as value
 944         for 32-bit syms with a plt entry.  Correct ppc64 toc base
 945         calculations.  Handle TLS relocs, and more.  Add overflow
 946         checking and adjust for Powerpc_relocate_functions changes.
 947         (Target_powerpc::relocate_for_relocatable): Handle zero r_sym.
 948         Reinstate --emit-relocs code with FIXME.
 949
 950 2012-08-30  Alan Modra  <amodra@gmail.com>
 951
 952         * layout.cc (Layout::set_segment_offsets): Set p_align to
 953         abi_pagesize, not common_pagesize.
 954         (Layout::relaxation_loop_body): Similarly use abi_pagesize
 955         to determine whether file header can go in segment.
 956
 957 2012-08-30  Alan Modra  <amodra@gmail.com>
 958
 959         * output.h (Output_reloc::Output_reloc <output section>): Add
 960         is_relative param.  Adjust calls.
 961         (Output_reloc::add_output_section_relative): New functions.
 962         * output.cc (Output_reloc::Output_reloc <output section>): Handle
 963         is_relative.
 964         (Output_reloc::symbol_value): Handle SECTION_CODE.
 965
 966 2012-08-24  Sriraman Tallam  <tmsriram@google.com>
 967
 968         * gold.cc (queue_middle_tasks): Call layout again when unique
 969         segments for sections is desired.
 970         * layout.cc (Layout::Layout): Initialize new members.
 971         (Layout::get_output_section_flags): New function.
 972         (Layout::choose_output_section): Call get_output_section_flags.
 973         (Layout::layout): Make output section for mapping to a unique segment.
 974         (Layout::insert_section_segment_map): New function.
 975         (Layout::attach_allocated_section_to_segment): Make unique segment for
 976         output sections marked so.
 977         (Layout::segment_precedes): Check for unique segments when sorting.
 978         * layout.h (Layout::Unique_segment_info): New struct.
 979         (Layout::Section_segment_map): New typedef.
 980         (Layout::insert_section_segment_map): New function.
 981         (Layout::get_output_section_flags): New function.
 982         (Layout::is_unique_segment_for_sections_specified): New function.
 983         (Layout::set_unique_segment_for_sections_specified): New function.
 984         (Layout::unique_segment_for_sections_specified_): New member.
 985         (Layout::section_segment_map_): New member.
 986         * object.cc (Sized_relobj_file<size, big_endian>::do_layout):
 987         Rename is_gc_pass_one to is_pass_one.
 988         Rename is_gc_pass_two to is_pass_two.
 989         Rename is_gc_or_icf to is_two_pass.
 990         Check for which pass based on whether symbols data is present.
 991         Make it two pass when unique segments for sections is desired.
 992         * output.cc (Output_section::Output_section): Initialize new
 993         members.
 994         * output.h (Output_section::is_unique_segment): New function.
 995         (Output_section::set_is_unique_segment): New function.
 996         (Output_section::is_unique_segment_): New member.
 997         (Output_section::extra_segment_flags): New function.
 998         (Output_section::set_extra_segment_flags): New function.
 999         (Output_section::extra_segment_flags_): New member.
1000         (Output_section::segment_alignment): New function.
1001         (Output_section::set_segment_alignment): New function.
1002         (Output_section::segment_alignment_): New member.
1003         (Output_segment::Output_segment): Initialize is_unique_segment_.
1004         (Output_segment::is_unique_segment): New function.
1005         (Output_segment::set_is_unique_segment): New function.
1006         (Output_segment::is_unique_segment_): New member.
1007         * plugin.cc (allow_unique_segment_for_sections): New function.
1008         (unique_segment_for_sections): New function.
1009         (Plugin::load): Add new functions to transfer vector.
1010         * Makefile.am (plugin_final_layout.readelf.stdout): Add readelf output.
1011         * Makefile.in: Regenerate.
1012         * testsuite/plugin_final_layout.sh: Check if unique segment
1013         functionality works.
1014         * testsuite/plugin_section_order.c (onload): Check if new interfaces
1015         are available.
1016         (allow_unique_segment_for_sections): New global.
1017         (unique_segment_for_sections): New global.
1018         (claim_file_hook): Call allow_unique_segment_for_sections.
1019         (all_symbols_read_hook): Call unique_segment_for_sections.
1020
1021 2012-08-22  Cary Coutant  <ccoutant@google.com>
1022
1023         * layout.cc (Layout::include_section): Don't assert on GROUP
1024         sections with --emit-relocs.
1025
1026 2012-08-21  Cary Coutant  <ccoutant@google.com>
1027
1028         * symtab.cc (Symbol_table::gc_mark_undef_symbols): Don't assert
1029         if --export-dynamic-symbol names an undef symbol.
1030
1031 2012-08-18  Alan Modra  <amodra@gmail.com>
1032
1033         * powerpc.cc: Formatting and white space.
1034         (Powerpc_relobj): Rename got2_section_ to special_.
1035         Add opd_ent_shndx_ and opd_ent_off_ vectors.
1036         (Powerpc_relobj::opd_shndx, init_opd, get_opd_ent, set_opd_ent,
1037         scan_opd_relocs, do_read_relocs, opd_ent_ndx): New functions.
1038         (Target_powerpc): Add Address typedef and invalid_address.  Use
1039         throughout.
1040         (Target_powerpc::is_branch_reloc): New function.
1041         (Powerpc_relocate_functions): Add Address typedef, use throughout.
1042         (Powerpc_relocate_functions:rela, rela_ua): Correct type used
1043         for dst_mask, value and addend.
1044         (Powerpc_relobj::do_find_special_sections): Find .opd for 64-bit.
1045         (ld_2_1, cror_15_15_15, cror_31_31_31): New insn constants.
1046         (Output_data_glink::do_write): Correct toc base.  Don't try to use
1047         uint16_t for 24-bit offset.  Use get_output_section_offset and
1048         check return.
1049         (Target_powerpc::Scan::local): Handle more relocs.
1050         (Target_powerpc::do_finalize_sections): Set up DT_PPC64_GLINK.
1051         (Target_powerpc::Relocate::relocate): Correct toc base calculation.
1052         Plug in toc restoring insn after plt calls.  Translate branches
1053         to function descriptor symbols to corresponding entry point.
1054         (Target_powerpc::relocate_for_relocatable): Check return from
1055         get_output_section_offset.
1056         * symtab.h: Comment typo.
1057
1058 2012-08-14  Ian Lance Taylor  <iant@google.com>
1059
1060         * x86_64.cc (Target_x86_64::Scan::global): Fix erroneous call to
1061         unsupported_relocal_local to call unsupported_reloc_global.
1062
1063 2012-08-14  Nick Clifton  <nickc@redhat.com>
1064
1065         PR ld/14265
1066         * script-sections.cc (Sections_element::output_section_name): Add
1067         keep return parameter.
1068         (Output_section_element::match_name): Add keep return parameter.
1069         Return the value of the keep_ member.
1070         * script-sections.h (class Output_section): Update
1071         output_section_name prototype.
1072         * layout.cc (Layout::keep_input_section): New public member
1073         function.
1074         (Layout::choose_output_section): Pass keep parameter to
1075         output_section_name.
1076         * layout.h (class Layout): Add keep_input_section.
1077         * object.cc (Sized_relobj_file::do_layout): Check for kept input
1078         sections.
1079         * testsuite/Makefile.am: Add a test.
1080         * testsuite/Makefile.in: Regenerate.
1081         * testsuite/pr14265.c: Source file for the test.
1082         * testsuite/pr14265.t: Linker script for the test.
1083         * testsuite/pr14265.sh: Shell script for the test.
1084
1085 2012-08-14  Alan Modra  <amodra@gmail.com>
1086
1087         * target.h (Target::output_section_name): New function.
1088         (Target::do_output_section_name): New function.
1089         * layout.cc (Layout::choose_output_section): Call the above.
1090         * powerpc.cc (Target_powerpc::do_output_section_name): New function.
1091
1092 2012-08-14  Alan Modra  <amodra@gmail.com>
1093
1094         * powerpc.cc: Update for renamed R_PPC_REL16 relocs.
1095         (Output_data_got_powerpc::do_write): Don't rely on base class lookup
1096         for replace_constant call.
1097         (Output_data_plt_powerpc::do_print_to_mapfile): New function.
1098         (Output_data_glink::do_print_to_mapfile): New function.
1099         (Target_powerpc::Scan::local): Ignore R_PPC64_TOCSAVE.
1100         (Target_powerpc::Relocate::relocate): Likewise.
1101
1102 2012-08-14  Alan Modra  <amodra@gmail.com>
1103
1104         * powerpc.cc (Powerpc_relobj::set_got2_shndx): Delete.
1105         (Powerpc_relobj::do_find_special_sections): Don't use set_got2_shndx.
1106         (Output_data_glink::add_entry,find_entry): Remove shndx param.
1107         (class Glink_sym_ent): Rename from struct Glink_sym_ent.  Remove
1108         all references to shndx_.  Handle special case for R_PPC_PLTREL24
1109         here.
1110         (class Glink_sym_ent_hash): Rename from struct Glink_sym_ent_hash.
1111         (Output_data_glink::do_write): Retrieve got2_shdnx from object.
1112         (Target_powerpc::make_plt_entry): Don't special case R_PPC_PLTREL24
1113         here.
1114         (Target_powerpc::Scan::global): Nor on make_plt_entry call.
1115         (Target_powerpc::Relocate::relocate): Nor on glink->find_entry call.
1116
1117 2012-08-12  Alan Modra  <amodra@gmail.com>
1118
1119         * powerpc.cc: Whitespace fixes.  Wrap overly long lines.
1120         (glink insn constants): Use uint32_t.
1121         (Output_data_glink::add_entry): Use insert, not [] operator.
1122
1123 2012-08-11  Alan Modra  <amodra@gmail.com>
1124
1125         * object.h (Sized_relobj_file::find_shdr): New function.
1126         (Sized_relobj_file::find_special_sections): New function.
1127         * object.cc (Sized_relobj_file::find_shdr): New function.
1128         (Sized_relobj_file::find_eh_frame): Use find_shdr.
1129         (Sized_relobj_file::find_special_sections): New function, split out..
1130         (Sized_relobj_file::do_read_symbols): ..from here.
1131         * output.h (Output_data_got::replace_constant): New function.
1132         (Output_data_got::num_entries): New function.
1133         (Output_data_got::last_got_offset,set_got_size): Use num_entries.
1134         (Output_data_got::got_offset): Protected rather than private.
1135         (Output_data_got::replace_got_entry): New function.
1136         * output.cc (Output_data_got::replace_got_entry): New function.
1137         * powerpc.cc (class Powerpc_relobj): New.
1138         (class Powerpc_relocate_functions): Delete all psymval variants or
1139         convert to value,addend type.  Delete pcrela, pcrela_unaligned.
1140         Implement _ha functions using corresponding _hi function.
1141         (Powerpc_relobj::find_special_sections): New function.
1142         (Target_powerpc::do_make_elf_object): New function.
1143         (class Output_data_got_powerpc): New.
1144         (class Output_data_glink): New.
1145         (class Powerpc_scan_relocatable_reloc): New.
1146         Many more changes througout file.
1147
1148 2012-08-09  Nick Clifton  <nickc@redhat.com>
1149
1150         * po/vi.po: Updated Vietnamese translation.
1151
1152 2012-08-07  Ian Lance Taylor  <iant@google.com>
1153
1154         * layout.cc (Layout::add_target_dynamic_tags): If
1155         dynrel_includes_plt but no dyn_rel, emit dynamic reloc tags for
1156         plt_rel.
1157
1158 2012-07-30  Nick Clifton  <nickc@redhat.com>
1159
1160         * po/gold.pot: Updated template.
1161         * po/es.po: Updated Spanish translation.
1162
1163 2012-07-18  Cary Coutant  <ccoutant@google.com>
1164
1165         PR gold/14344
1166         * configure.ac: Add check for -gpubnames support.
1167         * configure: Regenerate.
1168         * testsuite/Makefile.am (gdb_index_test_1): Add check for -gpubnames
1169         support; force -gno-pubnames.
1170         (gdb_index_test_2, gdb_index_test_3): Add check for -gpubnames
1171         support.
1172         (gdb_index_test_4): New test.
1173         * testsuite/Makefile.in: Regenerate.
1174         * testsuite/gdb_index_test_1.sh: Refactor code into common file.
1175         * testsuite/gdb_index_test_2.sh: Likewise.
1176         * testsuite/gdb_index_test_3.sh: Don't look for space after colon.
1177         * testsuite/gdb_index_test_4.sh: New script.
1178         * testsuite/gdb_index_test_comm.sh: New script with common code;
1179         don't look for space after colon.
1180
1181 2012-07-16  Sriraman Tallam  <tmsriram@google.com>
1182
1183         * gold.cc (queue_middle_tasks): Update function order only after
1184         deferred objects due to plugins are processed.
1185
1186 2012-07-11  Ian Lance Taylor  <iant@google.com>
1187
1188         * arm.cc (Arm_relocate_functions::abs16): Remove unused typedef.
1189         (Arm_exidx_cantunwind::do_fixed_endian_write): Likewise.
1190         (Target_arm::scan_reloc_for_stub): Likewise.
1191         * common.cc (Symbol_table::do_allocate_commons_list): Likewise.
1192         * dwarf_reader.cc (Dwarf_die::skip_attributes): Likewise.
1193         * ehframe.cc (Eh_frame::do_add_ehframe_input_section): Likewise.
1194         * incremental.cc (Sized_incr_dynobj::do_add_symbols): Likewise.
1195         * powerpc.cc (Target_powerpc::relocate_tls): Likewise.
1196
1197 2012-07-10  Dodji Seketeli  <dodji@redhat.com>
1198             Ian Lance Taylor  <iant@google.com>
1199
1200         PR gold/14309
1201         * configure.ac: Test whether std::tr1::hash<off_t> works.
1202         * gold.h: Add a specialization for std::tr1::hash<off_t> if
1203         needed.
1204         * output.h (class Output_fill): Add virtual destructor.
1205         * configure, config.in: Rebuild.
1206
1207 2012-06-22  Roland McGrath  <mcgrathr@google.com>
1208
1209         * layout.cc (finalize): Define __ehdr_start symbol if applicable.
1210
1211 2012-06-12  Rafael Ávila de Espíndola <respindola@mozilla.com>
1212
1213         * plugin.cc (Plugin::load): Handle position independent executables.
1214
1215 2012-06-06  Cary Coutant  <ccoutant@google.com>
1216
1217         * layout.cc (gdb_sections): Remove ".debug_" prefixes,
1218         add .debug_macro.
1219         (lines_only_debug_sections): Likewise.
1220         (gdb_fast_lookup_sections): New static array.
1221         (is_gdb_debug_section): Rename formal parameter.
1222         (is_lines_only_debug_section): Likewise.
1223         (is_gdb_fast_lookup_section): New function.
1224         (Layout::include_section): Check for ".zdebug_" prefix; pass
1225         section name suffix to is_gdb_debug_section, et al.; check for
1226         fast-lookup sections when building .gdb_index.
1227         * options.h (--strip-debug-gdb): Update GDB version number.
1228
1229 2012-06-06  Cary Coutant  <ccoutant@google.com>
1230
1231         * configure.ac: Add check for fallocate.
1232         * configure: Regenerate.
1233         * config.in: Regenerate.
1234
1235         * options.h (class General_options): Add --mmap-output-file and
1236         --posix-fallocate options.
1237         * output.cc: (posix_fallocate): Remove; replace with...
1238         (gold_fallocate): New function.
1239         (Output_file::map_no_anonymous): Call gold_fallocate.
1240         (Output_file::map): Check --mmap-output-file option.
1241
1242 2012-06-05  Jing Yu  <jingyu@google.com>
1243
1244         * gold.h (textdomain): Add do {} to empty while(0).
1245         (bindtextdomain): Likewise.
1246
1247 2012-06-04  Cary Coutant  <ccoutant@google.com>
1248
1249         * dynobj.cc (Sized_dynobj::do_get_global_symbol_counts): Call
1250         has_dynsym_index.
1251
1252 2012-05-25  Sriraman Tallam  <tmsriram@google.com>
1253
1254         * symtab.cc (Symbol_table::define_special_symbol):
1255         Initialize *poldsym to prevent uninitialized variable errors.
1256
1257 2012-05-23  Cary Coutant  <ccoutant@google.com>
1258
1259         * layout.cc (Layout::section_name_mapping): Add rules to handle
1260         exact match on .data.rel.ro.local or .data.rel.ro.
1261         (Layout::output_section_name): Check for exact matches.
1262
1263 2012-05-23  Cary Coutant  <ccoutant@google.com>
1264
1265         * layout.cc (Layout::section_name_mapping): Match .data.rel.ro.*
1266         more carefully.
1267
1268 2012-05-22  Cary Coutant  <ccoutant@google.com>
1269
1270         * symtab.cc (Symbol::should_add_dynsym_entry): Check for relocatable
1271         object before exporting symbol.
1272
1273 2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>
1274
1275         * testsuite/tls_test.cc: Include "config.h" first.
1276         * testsuite/tls_test_c.c: Likewise.
1277
1278 2012-05-17  Daniel Richard G.  <skunk@iskunk.org>
1279             Nick Clifton  <nickc@redhat.com>
1280
1281         PR 14072
1282         * configure.in: Add check that sysdep.h has been included before
1283         any system header files.
1284         * configure: Regenerate.
1285         * config.in: Regenerate.
1286
1287 2012-05-14  Cary Coutant  <ccoutant@google.com>
1288
1289         * layout.cc (Layout::make_output_section): Mark .tdata section
1290         as RELRO.
1291         * testsuite/relro_test.cc: Add a TLS variable.
1292
1293 2012-05-10  H.J. Lu  <hongjiu.lu@intel.com>
1294
1295         PR gold/14091
1296         * x86_64.cc (Target_x86_64::Scan::local): For x32, generate
1297         R_X86_64_RELATIVE64 instead of R_X86_64_RELATIVE in case of
1298         R_X86_64_64.
1299
1300 2012-05-08  Cary Coutant  <ccoutant@google.com>
1301
1302         * layout.cc (gdb_sections): Update GDB version, add .debug_addr.
1303         (lines_only_debug_sections): Likewise.
1304
1305 2012-05-02  Roland McGrath  <mcgrathr@google.com>
1306
1307         * nacl.cc: New file.
1308         * nacl.h: New file.
1309         * Makefile.am (CCFILES, HFILES): Add them.
1310         * Makefile.in: Regenerate.
1311         * i386.cc (Output_data_plt_i386_nacl): New class.
1312         (Output_data_plt_i386_nacl_exec): New class.
1313         (Output_data_plt_i386_nacl_dyn): New class.
1314         (Target_i386_nacl): New class.
1315         (Target_selector_i386_nacl): New class.
1316         (target_selector_i386): Use it instead of Target_selector_i386.
1317         * x86_64.cc (Output_data_plt_x86_64_nacl): New class.
1318         (Target_x86_64_nacl): New class.
1319         (Target_selector_x86_64_nacl): New class.
1320         (target_selector_x86_64, target_selector_x32): Use it instead of
1321         Target_selector_x86_64.
1322         * arm.cc (Output_data_plt_arm_nacl): New class.
1323         (Target_arm_nacl): New class.
1324         (Target_selector_arm_nacl): New class.
1325         (target_selector_arm, target_selector_armbe): Use it instead of
1326         Target_selector_arm.
1327
1328         * target-select.cc (select_target): Take new Input_file* and off_t
1329         arguments, pass them on to recognize method of selector.
1330         * object.cc (make_elf_sized_object): Update caller.
1331         * parameters.cc (parameters_force_valid_target): Likewise.
1332         * incremental.cc (make_sized_incremental_binary): Likewise.
1333         * target-select.h: Update decl.
1334         (Target_selector::recognize): Take new Input_file* argument,
1335         pass it on to do_recognize.
1336         (Target_selector::do_recognize): Take new Input_file* argument.
1337         * freebsd.h (Target_selector_freebsd::do_recognize): Likewise.
1338         * powerpc.cc (Target_selector_powerpc::do_recognize): Likewise.
1339         * sparc.cc (Target_selector_sparc::do_recognize): Likewise.
1340         * testsuite/testfile.cc (Target_selector::do_recognize): Likewise.
1341
1342         * target.h (Target::Target_info): New members isolate_execinstr
1343         and rosegment_gap.
1344         (Target::isolate_execinstr, Target::rosegment_gap): New methods.
1345         * arm.cc (Target_arm::arm_info): Update initializer.
1346         * i386.cc (Target_i386::i386_info): Likewise.
1347         * powerpc.cc (Target_powerpc::powerpc_info): Likewise.
1348         * sparc.cc (Target_sparc::sparc_info): Likewise.
1349         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
1350         * testsuite/testfile.cc (Target_test::test_target_info): Likewise.
1351         * layout.cc (Layout::attach_allocated_section_to_segment):
1352         Take new const Target* argument.  If target->isolate_execinstr(), act
1353         like --rosegment.
1354         (Layout::find_first_load_seg): Take new const Target* argument;
1355         if target->isolate_execinstr(), reject PF_X segments.
1356         (Layout::relaxation_loop_body): Update caller.
1357         (Layout::set_segment_offsets): If target->isolate_execinstr(),
1358         reset file offset to zero when we hit LOAD_SEG, and then do a second
1359         loop over the segments before LOAD_SEG to reassign offsets after
1360         addresses have been determined.  Handle target->rosegment_gap().
1361         (Layout::attach_section_to_segment): Take new const Target* argument;
1362         pass it to attach_allocated_section_to_segment.
1363         (Layout::make_output_section): Update caller.
1364         (Layout::attach_sections_to_segments): Take new const Target* argument;
1365         pass it to attach_section_to_segment.
1366         * gold.cc (queue_middle_tasks): Update caller.
1367         * layout.h (Layout): Update method decls with new arguments.
1368
1369         * arm.cc (Target_arm::Target_arm): Take optional argument for the
1370         Target_info pointer to use.
1371         (Target_arm::do_make_data_plt): New virtual method.
1372         (Target_arm::make_data_plt): New method that calls it.
1373         (Target_arm::make_plt_entry): Use it.
1374         (Output_data_plt_arm::Output_data_plt_arm): Take additional argument
1375         for the section alignment.
1376         (Output_data_plt_arm::do_first_plt_entry_offset): New abstract virtual
1377         method.
1378         (Output_data_plt_arm::first_plt_entry_offset): Call it.
1379         (Output_data_plt_arm::do_get_plt_entry_size): New abstract virtual
1380         method.
1381         (Output_data_plt_arm::get_plt_entry_size): Call it.
1382         (Output_data_plt_arm::do_fill_plt_entry): New abstract virtual method.
1383         (Output_data_plt_arm::fill_plt_entry): New method that calls it.
1384         (Output_data_plt_arm::do_fill_first_plt_entry): New abstract virtual
1385         method.
1386         (Output_data_plt_arm::fill_first_plt_entry): New method that calls it.
1387         (Output_data_plt_arm::set_final_data_size): Use get_plt_entry_size
1388         method instead of sizeof(plt_entry).
1389         (Output_data_plt_arm::add_entry): Likewise.
1390         Use first_plt_entry_offset method instead of sizeof(first_plt_entry).
1391         (Target_arm::first_plt_entry_offset): Call method on this->plt_ rather
1392         than static method.
1393         (Target_arm::plt_entry_size): Likewise.
1394         (Output_data_plt_arm::first_plt_entry, Output_data_plt_arm::plt_entry):
1395         Move to ...
1396         (Output_data_plt_arm_standard): ... here, new class.
1397         (Output_data_plt_arm::do_write): Move guts of PLT filling to...
1398         (Output_data_plt_arm_standard::do_fill_first_plt_entry): ... here ...
1399         (Output_data_plt_arm_standard::do_fill_plt_entry): ... and here.
1400
1401         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1402         Take additional argument for the PLT entry size.
1403         (Output_data_plt_x86_64::get_tlsdesc_plt_offset):
1404         Use get_plt_entry_size method rather than plt_entry_size variable.
1405         (Output_data_plt_x86_64::reserve_slot): Likewise.
1406         (Output_data_plt_x86_64::do_adjust_output_section): Likewise.
1407         (Output_data_plt_x86_64::add_entry): Likewise.
1408         (Output_data_plt_x86_64::add_local_ifunc_entry): Likewise.
1409         (Output_data_plt_x86_64::address_for_global): Likewise.
1410         (Output_data_plt_x86_64::address_for_local): Likewise.
1411         (Output_data_plt_x86_64::set_final_data_size): Likewise.
1412         (Output_data_plt_x86_64::first_plt_entry_offset): Likewise.
1413         Make method non-static.
1414         (Output_data_plt_x86_64::do_get_plt_entry_size): New abstract virtual
1415         method.
1416         (Output_data_plt_x86_64::get_plt_entry_size): Just call that.
1417         (Output_data_plt_x86_64::do_add_eh_frame): New abstract virtual method.
1418         (Output_data_plt_x86_64::add_eh_frame): New method to call it.
1419         (Output_data_plt_x86_64::do_fill_first_plt_entry): New abstract
1420         virtual method.
1421         (Output_data_plt_x86_64::fill_first_plt_entry): New method to call it.
1422         (Output_data_plt_x86_64::do_fill_plt_entry): New abstract
1423         virtual method.
1424         (Output_data_plt_x86_64::fill_plt_entry): New method to call it.
1425         (Output_data_plt_x86_64::do_fill_tlsdesc_entry): New abstract
1426         virtual method.
1427         (Output_data_plt_x86_64::fill_tlsdesc_entry): New method to call it.
1428         (Output_data_plt_x86_64::plt_entry_size)
1429         (Output_data_plt_x86_64::first_plt_entry)
1430         (Output_data_plt_x86_64::plt_entry)
1431         (Output_data_plt_x86_64::tlsdesc_plt_entry)
1432         (Output_data_plt_x86_64::plt_eh_frame_fde_size)
1433         (Output_data_plt_x86_64::plt_eh_frame_fde): Move to ...
1434         (Output_data_plt_x86_64_standard): ... here, new class.
1435         (Target_x86_64::Target_x86_64): Take optional argument for the
1436         Target_info pointer to use.
1437         (Target_x86_64::do_make_data_plt): New virtual method.
1438         (Target_x86_64::make_data_plt): New method to call it.
1439         (Target_x86_64::init_got_plt_for_update): Use that.
1440         Call this->plt_->add_eh_frame method here.
1441         (Output_data_plt_x86_64::init): Don't do add_eh_frame_for_plt here.
1442         (Target_x86_64::first_plt_entry_offset): Call method on this->plt_
1443         rather than static method.
1444         (Target_x86_64::plt_entry_size): Likewise.
1445         (Output_data_plt_x86_64::do_write): Use get_plt_entry_size method
1446         rather than plt_entry_size variable.  Move guts of PLT filling to...
1447         (Output_data_plt_x86_64_standard::do_fill_first_plt_entry): ... here ...
1448         (Output_data_plt_x86_64_standard::do_fill_plt_entry): ... and here ...
1449         (Output_data_plt_x86_64_standard::do_fill_tlsdesc_entry): ... and here.
1450
1451         * i386.cc (Output_data_plt_i386::Output_data_plt_i386): Take
1452         additional argument for the section alignment.
1453         Don't do add_eh_frame_for_plt here.
1454         (Output_data_plt_i386::first_plt_entry_offset): Make the method
1455         non-static.  Use get_plt_entry_size method rather than plt_entry_size
1456         variable.
1457         (Output_data_plt_i386::do_get_plt_entry_size): New abstract virtual
1458         method.
1459         (Output_data_plt_i386::get_plt_entry_size): Call it.
1460         (Output_data_plt_i386::do_add_eh_frame): New abstract virtual method.
1461         (Output_data_plt_i386::add_eh_frame): New method to call it.
1462         (Output_data_plt_i386::do_fill_first_plt_entry): New abstract virtual
1463         method.
1464         (Output_data_plt_i386::fill_first_plt_entry): New method to call it.
1465         (Output_data_plt_i386::do_fill_plt_entry): New abstract virtual
1466         method.
1467         (Output_data_plt_i386::fill_plt_entry): New method to call it.
1468         (Output_data_plt_i386::set_final_data_size): Use get_plt_entry_size
1469         method instead of plt_entry_size.
1470         (Output_data_plt_i386::plt_entry_size)
1471         (Output_data_plt_i386::plt_eh_frame_fde_size)
1472         (Output_data_plt_i386::plt_eh_frame_fde): Move to ...
1473         (Output_data_plt_i386_standard): ... here, new class.
1474         (Output_data_plt_i386_exec): New class.
1475         (Output_data_plt_i386::exec_first_plt_entry): Move to ...
1476         (Output_data_plt_i386_exec::first_plt_entry): ... here.
1477         (Output_data_plt_i386::exec_plt_entry): Move to ...
1478         (Output_data_plt_i386_exec::plt_entry): ... here.
1479         (Output_data_plt_i386_dyn): New class.
1480         (Output_data_plt_i386::first_plt_entry): Move to ...
1481         (Output_data_plt_i386_dyn::first_plt_entry): ... here.
1482         (Output_data_plt_i386::dyn_plt_entry): Move to ...
1483         (Output_data_plt_i386_dyn::plt_entry): ... here.
1484         (Target_i386::Target_i386): Take optional argument for the Target_info
1485         pointer to use.
1486         (Target_i386::do_make_data_plt): New virtual method.
1487         (Target_i386::make_data_plt): New method to call it.
1488         (Target_i386::make_plt_section): Use that.
1489         Call this->plt_->add_eh_frame method here.
1490         (Output_data_plt_i386::add_entry): Use get_plt_entry_size method
1491         rather than plt_entry_size variable.
1492         (Output_data_plt_i386::add_local_ifunc_entry): Likewise.
1493         (Output_data_plt_i386::address_for_local): Likewise.
1494         (Output_data_plt_i386::do_write): Likewise.
1495         Move guts of PLT filling to...
1496         (Output_data_plt_i386_exec::do_fill_first_plt_entry): ... here ...
1497         (Output_data_plt_i386_exec::do_fill_plt_entry): ... and here ...
1498         (Output_data_plt_i386_dyn::do_fill_first_plt_entry): ... and here ...
1499         (Output_data_plt_i386_dyn::do_fill_plt_entry): ... and here.
1500
1501 2012-05-01  Cary Coutant  <ccoutant@google.com>
1502
1503         * dwarf_reader.cc (Dwarf_die::read_attributes)
1504         (Dwarf_die::skip_attributes, Dwarf_die::int_attribute)
1505         (Dwarf_die::uint_attribute): Remove DW_FORM_null.
1506         * reduced_debug_output.cc
1507         (Output_reduced_debug_info_section::get_die_end): Remove
1508         DW_FORM_GNU_ref_index.  Add default case.
1509
1510 2012-04-26  Mark Wielaard  <mjw@redhat.com>
1511
1512         * dwarf_reader.cc (Dwarf_die::address_attribute): New function.
1513         * dwarf_reader.h (Dwarf_die::address_attribute): Likewise.
1514         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Handle
1515         DW_AT_high_pc as offset from DW_AT_low_pc.
1516
1517         * testsuite/Makefile.am (gdb_index_test_3.sh): New test case.
1518         * testsuite/Makefile.in: Regenerate.
1519         * testsuite/gdb_index_test_3.c: New test source file.
1520         * testsuite/gdb_index_test_3.sh: New test source file.
1521
1522 2012-04-25  Ian Lance Taylor  <iant@google.com>
1523
1524         * arm.cc (Target_arm::do_is_defined_by_abi): Make sym a const
1525         pointer.
1526         (Stub_addend_reader::operator()): Declare Arm_relocate_functions
1527         as a class, not a struct.
1528         (Target_arm::scan_span_for_cortex_a8_erratum): Likewise.
1529         (Target_arm::apply_cortex_a8_workaround): Likewise.
1530         * gc.h: Declare Reloc_types as a struct, not a class.
1531         * object.h: Declare Symbols_data as a struct.
1532         * reloc.h: Declare Read_relocs_data as a struct.
1533         * target.h: Declare Relocate_info as a struct.
1534
1535 2012-04-24  David S. Miller  <davem@davemloft.net>
1536
1537         * sparc.cc (Target_sparc::Relocate::relax_call): New function.
1538         (Target_sparc::Relocate::relocate): Call it for R_SPARC_WDISP30
1539         and R_SPARC_WPLT30.
1540
1541 2012-04-24  Cary Coutant  <ccoutant@google.com>
1542
1543         * incremental-dump.cc (find_input_containing_global): Replace
1544         magic number with symbolic constant.
1545         (dump_incremental_inputs): Update version number.
1546         * incremental.cc (Output_section_incremental_inputs): Update version
1547         number; import symbolic constants from Incremental_inputs_reader.
1548         (Incremental_inputs::create_data_sections): Align relocations
1549         section correctly for 64-bit targets.
1550         (Output_section_incremental_inputs::set_final_data_size): Use symbolic
1551         constants; add padding.
1552         (Output_section_incremental_inputs::write_header): Add assert for
1553         header_size.
1554         (Output_section_incremental_inputs::write_input_files): Add assert
1555         for input_entry_size.
1556         (Output_section_incremental_inputs::write_info_blocks): Add padding;
1557         add assert for object_info_size, input_section_entry_size,
1558         global_sym_entry_size.
1559         * incremental.h (Incremental_inputs_reader): Add symbolic constants
1560         for data structure sizes; use them.
1561         (Incremental_input_entry_reader): Import symbolic constants from
1562         Incremental_inputs_reader; use them.
1563
1564 2012-04-23  David S. Miller  <davem@davemloft.net>
1565
1566         * sparc.cc (class Target_sparc): Add elf_machine_, elf_flags_,
1567         and elf_flags_set_.
1568         (Target_sparc::Target_sparc): Initialize new fields.
1569         (Target_sparc::do_make_elf_object): New function.
1570         (Target_sparc::do_adjust_elf_header): New function.
1571
1572 2012-04-23  Cary Coutant  <ccoutant@google.com>
1573
1574         * gdb-index.cc (Gdb_index::do_write): Use Swap_aligned32 for writing
1575         CU range table of gdb index.
1576
1577 2012-04-20  David S. Miller  <davem@davemloft.net>
1578
1579         * target.cc (Sized_target::do_adjust_elf_header): Use big_endian
1580         instead of false.
1581
1582 2012-04-16  David S. Miller  <davem@davemloft.net>
1583
1584         * sparc.cc (Target_sparc::got_address): New function.
1585         (Sparc_relocate_functions::gdop_hix22): New function.
1586         (Sparc_relocate_functions::gdop_lox10): New function.
1587         (Target_sparc::Scan::local): Do not emit a GOT entry for GOTDATA
1588         relocs.
1589         (Target_sparc::Scan::local): Likewise if the global symbol is not
1590         preemptible and is not IFUNC.
1591         (Target_sparc::Relocate::relocate): Perform GOTDATA code
1592         transformations for local and non-preemptible non-IFUNC global
1593         symbols.
1594
1595         * gdb-index.cc (Gdb_index::do_write): Use Swap_unaligned when
1596         writing out 64-bit part of ranges.
1597
1598         * Makefile.am: Build IFUNC tests with -fPIC and -fPIE instead of
1599         -fpic and -fpie respectively.
1600         * Makefile.in: Regenerate.
1601
1602         * sparc.cc (class Target_sparc): Add rela_ifunc_.
1603         (Target_sparc::Target_sparc): Initialize new field.
1604         (Target_sparc::do_plt_section_for_global): New function.
1605         (Target_sparc::do_plt_section_for_local): New function.
1606         (Target_sparc::reloc_needs_plt_for_ifunc): New function.
1607         (Target_sparc::make_plt_section): New function, broken out of
1608         make_plt_entry.  Use ORDER_NON_RELRO_FIRST for ".plt".
1609         (Target_sparc::make_plt_entry): Call make_plt_section.
1610         (Target_sparc::make_local_ifunc_plt_entry): New function.
1611         (Target_sparc::rela_ifunc_section): New function.
1612         (Target_sparc::plt_section): Remove const.
1613         (Output_data_plt_sparc): Update declarations.  Define Global_ifunc
1614         and Local_ifunc types.  Add global_ifuncs_, local_ifuncs_, ifunc_rel_,
1615         and ifunc_count_ fields.
1616         (Output_data_plt_sparc::Output_data_plt_sparc): Initialize new fields.
1617         (Output_data_plt_sparc::add_entry): Handle IFUNC symbols.
1618         (Output_data_plt_sparc::add_local_ifunc_entry): New function.
1619         (Output_data_plt_sparc::rela_ifunc): New function.
1620         (Output_data_plt_sparc::emit_pending_ifunc_relocs): New function.
1621         (Output_data_plt_sparc::has_ifunc_section): New function.
1622         (Output_data_plt_sparc::entry_count): Include ifunc_count_.
1623         (Output_data_plt_sparc::address_for_global): New function.
1624         (Output_data_plt_sparc::address_for_local): New function.
1625         (Output_data_plt_sparc::plt_index_to_offset): New function.
1626         (Output_data_plt_sparc::set_final_data_size): Use plt_index_to_offset
1627         and entry_count.
1628         (Output_data_plt_sparc::do_write): Use first_plt_entry_offset and
1629         entry_count.
1630         (Target_sparc::Scan::get_reference_flags): Add R_SPARC_IRELATIVE and
1631         R_SPARC_JMP_IREL to switch.
1632         (Target_sparc::Scan::check_non_pic): Likewise.
1633         (Target_sparc::Scan::local): Handle IFUNC symbols.
1634         (Target_sparc::Scan::local): Likewise.
1635         (Target_sparc::Relocate::relocate): Likewise, use plt_address_for_global
1636         and plt_address_for_local.
1637         (Target_sparc::do_finalize_sections): Call emit_pending_ifunc_relocs.
1638         Define __rel_iplt_start and __rel_iplt_end if doing a static link.
1639
1640         * output.h (Output_reloc): Allow use_plt_offset for global relocs too.
1641         (class Output_data_reloc): Adjust calls to Output_reloc_type.
1642         (Output_data_reloc::add_global_relative): (RELA only) Add use_plt_offset.
1643         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag for
1644         global relocs too.
1645         (Output_reloc::symbol_value): Respect use_plt_offset_ for global symbols.
1646         * powerpc.cc (Target_powerpc::Scan::global): Adjust add_global_relative
1647         calls.
1648         * sparc.cc (Target_sparc::Scan::global): Likewise.
1649         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1650
1651 2012-04-16  Cary Coutant  <ccoutant@google.com>
1652
1653         * archive.cc (Library_base::should_include_member): Check for
1654         --export-dynamic-symbol.
1655         * options.h (class General_options): Add --export-dynamic-symbol.
1656         * symtab.cc (Symbol::should_add_dynsym_entry): Check for
1657         --export-dynamic-symbol.
1658         (Symbol_table::gc_mark_undef_symbols): Likewise.
1659         (Symbol_table::do_add_undefined_symbols_from_command_line): Likewise.
1660
1661 2012-04-12  David S. Miller  <davem@davemloft.net>
1662
1663         * sparc.cc (Reloc::wdisp10): New relocation method.
1664         (Reloc::h34): Likewise.
1665         (Target_sparc::Scan::check_non_pic): Handle R_SPARC_H34.
1666         (Target_sparc::Scan::get_reference_flags): Handle R_SPARC_H34 and
1667         R_SPARC_WDISP10.
1668         (Target_sparc::Scan::local): Likewise.
1669         (Target_sparc::Scan::global): Likewise.
1670         (Target_sparc::Relocate::relocate): Likewise.
1671
1672 2012-04-09  Cary Coutant  <ccoutant@google.com>
1673
1674         * gdb-index.cc (Gdb_index_info_reader::record_cu_ranges): Allow
1675         low_pc == 0.
1676
1677 2012-04-06  Ian Lance Taylor  <iant@google.com>
1678
1679         * timer.cc: #include <unistd.h>.
1680
1681 2012-04-06  Roland McGrath  <mcgrathr@google.com>
1682
1683         * configure.in (AC_CHECK_HEADERS): Add locale.h.
1684         * config.in: Regenerate.
1685         * configure: Regenerate.
1686
1687 2012-04-05  Nick Clifton  <nickc@redhat.com>
1688
1689         * configure.ac (AC_CHECK_FUNCS): Add setlocale.
1690         (AM_LC_MESSAGES): Add.
1691         * aclocal.m4: Regenerate.
1692         * config.in: Regenerate.
1693         * configure: Regenerate.
1694
1695 2012-03-21  Cary Coutant  <ccoutant@google.com>
1696
1697         * Makefile.am: Add gdb-index.cc, gdb-index.h.
1698         * Makefile.in: Regenerate.
1699         * dwarf_reader.cc (Sized_elf_reloc_mapper::do_initialize): New function.
1700         (Sized_elf_reloc_mapper::symbol_section): New function.
1701         (Sized_elf_reloc_mapper::do_get_reloc_target): New function.
1702         (make_elf_reloc_mapper): New function.
1703         (Dwarf_abbrev_table::clear_abbrev_codes): New function.
1704         (Dwarf_abbrev_table::do_read_abbrevs): New function.
1705         (Dwarf_abbrev_table::do_get_abbrev): New function.
1706         (Dwarf_ranges_table::read_ranges_table): New function.
1707         (Dwarf_ranges_table::read_range_list): New function.
1708         (Dwarf_pubnames_table::read_section): New function.
1709         (Dwarf_pubnames_table::read_header): New function.
1710         (Dwarf_pubnames_table::next_name): New function.
1711         (Dwarf_die::Dwarf_die): New function.
1712         (Dwarf_die::read_attributes): New function.
1713         (Dwarf_die::skip_attributes): New function.
1714         (Dwarf_die::set_name): New function.
1715         (Dwarf_die::set_linkage_name): New function.
1716         (Dwarf_die::attribute): New function.
1717         (Dwarf_die::string_attribute): New function.
1718         (Dwarf_die::int_attribute): New function.
1719         (Dwarf_die::uint_attribute): New function.
1720         (Dwarf_die::ref_attribute): New function.
1721         (Dwarf_die::child_offset): New function.
1722         (Dwarf_die::sibling_offset): New function.
1723         (Dwarf_info_reader::check_buffer): New function.
1724         (Dwarf_info_reader::parse): New function.
1725         (Dwarf_info_reader::do_parse): New function.
1726         (Dwarf_info_reader::do_read_string_table): New function.
1727         (Dwarf_info_reader::lookup_reloc): New function.
1728         (Dwarf_info_reader::get_string): New function.
1729         (Dwarf_info_reader::visit_compilation_unit): New function.
1730         (Dwarf_info_reader::visit_type_unit): New function.
1731         (Sized_dwarf_line_info::Sized_dwarf_line_info): Use
1732         Sized_elf_reloc_mapper.
1733         (Sized_dwarf_line_info::symbol_section): Remove function.
1734         (Sized_dwarf_line_info::read_relocs): Use Sized_elf_reloc_mapper.
1735         (Sized_dwarf_line_info::read_line_mappings): Remove object
1736         parameter, adjust callers.
1737         (Sized_dwarf_line_info::format_file_lineno): Fix type of cast.
1738         * dwarf_reader.h: Include <sys/types.h>.
1739         (class Track_relocs): Remove forward declaration.
1740         (class Elf_reloc_mapper): New class.
1741         (class Sized_elf_reloc_mapper): New class.
1742         (class Dwarf_abbrev_table): New class.
1743         (class Dwarf_range_list): New class.
1744         (class Dwarf_ranges_table): New class.
1745         (class Dwarf_pubnames_table): New class.
1746         (class Dwarf_die): New class.
1747         (class Dwarf_info_reader): New class.
1748         (Sized_dwarf_line_info::read_line_mappings): Remove object parameter.
1749         (Sized_dwarf_line_info::symbol_section): Remove member function.
1750         * dynobj.h (Sized_dynobj::do_section_contents): Refactor code from
1751         base class.
1752         * gdb-index.cc: New source file.
1753         * gdb-index.h: New source file.
1754         * incremental.cc (Sized_relobj_incr::do_layout): Track .debug_info
1755         and .debug_types sections, call Layout::add_to_gdb_index.
1756         (Sized_relobj_incr::do_section_name): Implement.
1757         (Sized_relobj_incr::do_section_contents): Adjust parameter list and
1758         return type; Implement.
1759         (Sized_incr_dynobj::do_section_contents): Adjust parameter list and
1760         return type.
1761         * incremental.h (Sized_relobj_incr::do_section_contents): Adjust
1762         parameter list and return type.
1763         (Sized_incr_dynobj::do_section_contents): Likewise.
1764         * layout.cc: Include gdb-index.h.
1765         (Layout::Layout): Initialize gdb_index_data_.
1766         (Layout::init_fixed_output_section): Check for .gdb_index section.
1767         (Layout::add_to_gdb_index): New function. Instantiate.
1768         * layout.h: Add forward declaration for class Gdb_index.
1769         (Layout::add_to_gdb_index): New member function.
1770         (Layout::gdb_index_data_): New data member.
1771         * main.cc: Include gdb-index.h.
1772         (main): Print statistics for gdb index.
1773         * object.cc (Object::section_contents): Move code into
1774         do_section_contents.
1775         (need_decompressed_section): Check for sections needed when building
1776         gdb index.
1777         (build_compressed_section_map): Likewise.
1778         (Sized_relobj_file::do_read_symbols): Need local symbols when building
1779         gdb index.
1780         (Sized_relobj_file::do_layout): Track .debug_info and .debug_types
1781         sections; call Layout::add_to_gdb_index.
1782         (Sized_relobj_file::do_decompressed_section_contents): Call
1783         do_section_contents directly.
1784         * object.h (Object::do_section_contents): Adjust parameter list and
1785         return type.
1786         (Object::do_decompressed_section_contents): Call do_section_contents
1787         directly.
1788         (Sized_relobj_file::do_section_contents): Adjust parameter list and
1789         return type.
1790         * options.h (class General_options): Add --gdb-index option.
1791         * plugin.cc (Sized_pluginobj::do_section_contents): Adjust parameter
1792         list and return type.
1793         * plugin.h (Sized_pluginobj::do_section_contents): Likewise.
1794         * reloc.h (Track_relocs::checkpoint): New function.
1795         (Track_relocs::reset): New function.
1796
1797         * testsuite/Makefile.am (gdb_index_test_1.sh, gdb_index_test_2.sh):
1798         New test cases.
1799         * testsuite/Makefile.in: Regenerate.
1800         * testsuite/gdb_index_test.cc: New test source file.
1801         * testsuite/gdb_index_test_1.sh: New test source file.
1802         * testsuite/gdb_index_test_2.sh: New test source file.
1803
1804 2012-03-19  Doug Kwan  <dougkwan@google.com>
1805
1806         * arm.cc (Target_arm::do_define_standard_symbols): New method.
1807         (Target_arm::do_finalize_sections): Remove code which defines
1808         __exidx_start and __exidx_end.  Make symbol table parameter
1809         anonymous as it is not used.
1810         * gold.cc (queue_middle_tasks): Call target hook to define any
1811         target-specific symbols.
1812         * target.h (Target::define_standard_symbols): New method.
1813         (Target::do_define_standard_symbols): Same.
1814         * testsuite/Makefile.am (arm_exidx_test): Dump relocations also.
1815         * testsuite/Makefile.in: Regenerate.
1816         * testsuite/arm_exidx.s: Generate data relocations for __exidx_start
1817         and __exidx_end.
1818         * testsuite/arm_exidx_test.sh: Check that no unused dynamic
1819         relocations are generated for __exidx_start and __exidx_end.
1820
1821 2012-03-16  Doug Kwan  <dougkwan@google.com>
1822
1823         * testsuite/Makefile.am: Disable test initpri3b.
1824         * testsuite/Makefile.in: Regenerate.
1825
1826 2012-03-15  Doug Kwan  <dougkwan@google.com>
1827
1828         * arm.cc (Target_arm::got_section): Make .got section read-only
1829         if -z now is given.
1830
1831 2012-03-15  Ian Lance Taylor  <iant@google.com>
1832
1833         PR gold/13850
1834         * layout.cc (Layout::make_output_section): Correctly mark
1835         SHT_INIT_ARRAY, et. al., as relro.
1836
1837 2012-03-14  Doug Kwan  <dougkwan@google.com>
1838
1839         * gold/arm.cc (Target_arm::Scan::global): Generate R_ARM_GLOB_DAT
1840         dynamic relocations for protected symbols in shared objects.
1841
1842 2012-03-13  Ian Lance Taylor  <iant@google.com>
1843
1844         * resolve.cc (Symbol_table::resolve): When merging common symbols,
1845         keep the larger alignment.
1846
1847 2012-03-12  Cary Coutant  <ccoutant@google.com>
1848
1849         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
1850         handling of DW_LNE_define_file.
1851
1852 2012-03-12  Cary Coutant  <ccoutant@google.com>
1853
1854         * reduced_debug_output.cc
1855         (Output_reduced_debug_info_section::get_die_end): Add new FORM
1856         codes to switch.
1857
1858 2012-02-29  Cary Coutant  <ccoutant@google.com>
1859
1860         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
1861
1862 2012-02-29  Cary Coutant  <ccoutant@google.com>
1863
1864         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1865         Call Object::decompressed_section_contents.
1866         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
1867         New dtor.
1868         (Sized_dwarf_line_info::buffer_start_): New data member.
1869         * merge.cc (Output_merge_data::do_add_input_section): Call
1870         Object::decompressed_section_contents.
1871         (Output_merge_string::do_add_input_section): Likewise.
1872         * object.cc (need_decompressed_section): New function.
1873         (build_compressed_section_map): Decompress sections needed later.
1874         (Sized_relobj_file::do_decompressed_section_contents): New function.
1875         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1876         * object.h (Object::decompressed_section_contents): New function.
1877         (Object::discard_decompressed_sections): New function.
1878         (Object::do_decompressed_section_contents): New function.
1879         (Object::do_discard_decompressed_sections): New function.
1880         (Compressed_section_info): New type.
1881         (Compressed_section_map): Include decompressed section contents.
1882         (Sized_relobj_file::do_decompressed_section_contents): New function.
1883         (Sized_relobj_file::do_discard_decompressed_sections): New function.
1884
1885 2012-02-16  Cary Coutant  <ccoutant@google.com>
1886
1887         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
1888         * testsuite/Makefile.in: Regenerate.
1889
1890 2012-02-14  Cary Coutant  <ccoutant@google.com>
1891
1892         * options.cc (General_options::finalize): Disallow -pie and -static.
1893
1894 2012-02-03  Doug Kwan  <dougkwan@google.com>
1895
1896         * arm.cc (Arm_relocate_functions::abs8,
1897         Arm_relocate_functions::abs16): Use
1898         Bits::has_signed_unsigned_overflow32.
1899         (Arm_relocate_functions::thm_abs8): Correct range of
1900         overflow check.
1901         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
1902         in assertions.
1903
1904 2012-02-02  Doug Kwan  <dougkwan@google.com>
1905
1906         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
1907         position independent outputs, not just shared objects.
1908
1909 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
1910
1911         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
1912         * configure: Regenerated.
1913
1914 2012-01-27  Ian Lance Taylor  <iant@google.com>
1915
1916         * reloc.h (Bits): New class with static functions, copied from
1917         namespace utils in arm.cc.
1918         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
1919         instead.
1920
1921 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1922
1923         * incremental.cc (write_info_blocks): Correct relocation offset.
1924
1925 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1926
1927         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
1928         (Relocate::tls_gd_to_le): Likewise.
1929
1930 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1931
1932         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
1933
1934 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1935
1936         * configure.ac: Check if -mcmodel=medium works.
1937         * configure: Regenerated.
1938
1939 2012-01-24  Cary Coutant  <ccoutant@google.com>
1940
1941         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
1942         definition and ...
1943         (read_unsigned_LEB_128_x): ... this new function.
1944         (read_signed_LEB_128): Replaced with inline definition and ...
1945         (read_signed_LEB_128_x): ... this new function.
1946         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
1947         (read_unsigned_LEB_128): Add inline definition.
1948         (read_signed_LEB_128_x): New function.
1949         (read_signed_LEB_128): Add inline definition.
1950         * testsuite/Makefile.am (leb128_unittest): New unit test.
1951         * testsuite/Makefile.in: Regenerate.
1952         * testsuite/leb128_unittest.cc: New unit test.
1953
1954 2012-01-23  Ian Lance Taylor  <iant@google.com>
1955
1956         PR gold/13617
1957         * i386.cc (Target_i386::do_code_fill): When using a jmp
1958         instruction, pad with nop instructions.
1959         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
1960
1961 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
1962
1963         * x86_64.cc (gc_process_relocs): Add typename on types used in
1964         template.
1965         (scan_relocs): Likewise.
1966         (relocate_section): Likewise.
1967         (apply_relocation): Likewise.
1968
1969 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
1970
1971         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
1972         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
1973         under x32.
1974
1975 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
1976
1977         * x86_64.cc: Initial support for x32.
1978
1979 2012-01-03  Cary Coutant  <ccoutant@google.com>
1980
1981         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
1982         Use abstract base class for GOT.
1983         * gold/output.h (class Output_data_got_base): New abstract base class.
1984         (class Output_data_got): Derive from new base class, adjust ctors.
1985         (Output_data_got::reserve_slot): Make virtual; rename to
1986         do_reserve_slot; Adjust callers.
1987         * gold/target.h (Sized_target::init_got_plt_for_update): Return
1988         pointer to abstract base class.
1989         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
1990
1991 2011-12-18  Ian Lance Taylor  <iant@google.com>
1992
1993         * object.h (Relobj::local_symbol_value): New function.
1994         (Relobj::local_plt_offset): New function.
1995         (Relobj::local_has_got_offset): New function.
1996         (Relobj::local_got_offset): New function.
1997         (Relobj::set_local_got_offset): New function.
1998         (Relobj::do_local_symbol_value): New pure virtual function.
1999         (Relobj::do_local_plt_offset): Likewise.
2000         (Relobj::do_local_has_got_offset): Likewise.
2001         (Relobj::do_local_got_offset): Likewise.
2002         (Relobj::do_set_local_got_offset): Likewise.
2003         (Sized_relobj::do_local_has_got_offset): Rename from
2004         local_has_got_offset.
2005         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
2006         (Sized_relobj::do_set_local_got_offset): Rename from
2007         set_local_got_offset.
2008         (Sized_relobj_file::do_local_plt_offset): Rename from
2009         local_plt_offset.
2010         (Sized_relobj_file::do_local_symbol_value): New function.
2011         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
2012         local_plt_offset.
2013         * output.cc (Output_data_got::Got_entry::write): Change object to
2014         Relobj.  Use local_symbol_value.
2015         (Output_data_got::add_global_with_rel): Change rel_dyn to
2016         Output_data_reloc_generic*.  Use add_global_generic.
2017         (Output_data_got::add_global_with_rela): Remove.  Change all
2018         callers to use add_global_with_rel.
2019         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
2020         Output_data_reloc_generic*.  Use add_global_generic.
2021         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
2022         callers to use add_global_pair_with_rel.
2023         (Output_data_got::add_local): Change object to Relobj*.
2024         (Output_data_got::add_local_plt): Likewise.
2025         (Output_data_got::add_local_with_rel): Change object to Relobj*,
2026         change rel_dyn to Output_data_reloc_generic*.  Use
2027         add_local_generic.
2028         (Output_data_got::add_local_with_rela): Remove.  Change all
2029         callers to use all_local_with_rel.
2030         (Output_data_got::add_local_pair_with_rel): Change object to
2031         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
2032         add_output_section_generic.
2033         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
2034         callers to use add_local_pair_with_rel.
2035         (Output_data_got::reserve_local): Change object to Relobj*.
2036         * output.h: (class Output_data_reloc_generic): Add pure virtual
2037         declarations for add_global_generic, add_local_generic,
2038         add_output_section_generic.
2039         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
2040         functions for Output_data_reloc_generic.  Update declarations for
2041         changes listed in output.cc.
2042         (class Output_data_got): Change template parameter to got_size.
2043         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
2044         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
2045         function.
2046         (Sized_relobj_incr::do_local_plt_offset): New function.
2047         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
2048         add_global_generic.
2049
2050 2011-12-17  Cary Coutant  <ccoutant@google.com>
2051
2052         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
2053         * resolve.cc (Symbol_table::resolve): Likewise.
2054         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
2055         arrays.
2056         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
2057
2058 2011-12-16  Ian Lance Taylor  <iant@google.com>
2059
2060         * output.h (Output_data_reloc_generic::add): Only call
2061         add_dynamic_reloc if this is a dynamic reloc section.
2062
2063 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
2064
2065         PR gold/13505
2066         * target-reloc.h (apply_relocation): Replace <64, false> with
2067         <size, big_endian>.
2068
2069 2011-11-25  Nick Clifton  <nickc@redhat.com>
2070
2071         * po/it.po: New Italian translation.
2072
2073 2011-11-17  Sterling Augustine  <saugustine@google.com>
2074
2075         * script.cc (script_include_directive): Implement.
2076         (read_script_file): New local variables name and search_path. Update
2077         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
2078         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
2079         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
2080
2081 2011-11-11  Sterling Augustine  <saugustine@google.com>
2082
2083         * yyscript.y (section_cmd): Add support for INCLUDE directive.
2084         (file_or_sections_cmd): Likewise.
2085
2086 2011-11-11  Doug Kwan  <dougkwan@google.com>
2087
2088         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
2089         if --just-symbols is given.
2090
2091 2011-11-10  Doug Kwan  <dougkwan@google.com>
2092
2093         PR gold/13362
2094         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
2095         when processing data relocs.
2096         * reloc.h (Relocate_functions::rel_unaligned): New method.
2097         (Relocate_functions::pcrel_unaligned): Ditto.
2098         (Relocate_functions::rel32_unaligned): Ditto.
2099         (Relocate_functions::pcrel32_unaligned): Ditto.
2100
2101 2011-11-09  Doug Kwan  <dougkwan@google.com>
2102
2103         PR gold/13362
2104         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
2105         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
2106         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
2107         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
2108         (Relocate_functions::rel_unaligned): New.
2109         (Relocate_functions::rel32_unaligned): New.
2110         * target-reloc.h (relocate_for_relocatable): Add code to handle
2111         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
2112         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
2113         arm_unaligned_reloc_r): New targets.
2114         * testsuite/Makefile.in: Regenerate.
2115         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
2116         linking.
2117
2118 2011-11-02  Ian Lance Taylor  <iant@google.com>
2119
2120         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
2121         NATIVE_LINKER.
2122         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
2123         * options.cc (General_options::finalize): Use library search path
2124         from configure script if specified.  If not native and no sysroot,
2125         only search TOOLLIBDIR.
2126         * options.h (Search_directory::Search_directory): Change name to
2127         const std::string&.
2128         (General_options::add_to_library_path_with_sysroot): Change arg to
2129         const std::string&.
2130         * configure, Makefile.in, config.in: Rebuild.
2131
2132 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2133
2134         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
2135         we are working around the ARM1176 Erratum.
2136         * options.h (General_options::fix_arm1176): Add option.
2137         * testsuite/Makefile.am: Add testcases, and keep current ones
2138         working.
2139         * testsuite/Makefile.in: Regenerate.
2140         * testsuite/arm_fix_1176.s: New file.
2141         * testsuite/arm_fix_1176.sh: Likewise.
2142
2143 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2144
2145         * arm.cc (Target_arm::Target_arm): Remove initialisation of
2146         may_use_blx_.
2147         (Target_arm::may_use_blx): Remove method.
2148         (Target_arm::set_may_use_blx): Likewise.
2149         (Target_arm::may_use_v4t_interworking): New method.
2150         (Target_arm::may_use_v5t_interworking): Likewise.
2151         (Target_arm::may_use_blx_): Remove member variable.
2152         (Arm_relocate_functions::arm_branch_common): Check for v5T
2153         interworking.
2154         (Arm_relocate_functions::thumb_branch_common): Likewise.
2155         (Reloc_stub::stub_type_for_reloc): Likewise.
2156         (Target_arm::do_finalize_sections): Correct interworking checks.
2157         * testsuite/Makefile.am: Add new tests.
2158         * testsuite/Makefile.in: Regenerate.
2159         * testsuite/arm_farcall_arm_arm.s: New test.
2160         * testsuite/arm_farcall_arm_arm.sh: Likewise.
2161         * testsuite/arm_farcall_arm_thumb.s: Likewise.
2162         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
2163         * testsuite/arm_farcall_thumb_arm.s: Likewise.
2164         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
2165         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
2166         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
2167
2168 2011-10-31  Cary Coutant  <ccoutant@google.com>
2169
2170         PR gold/13023
2171         * expression.cc (Expression::eval_with_dot): Add
2172         is_section_dot_assignment parameter.
2173         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
2174         absolute and assigning to dot within a section.
2175         * script-sections.cc
2176         (Output_section_element_assignment::set_section_addresses): Pass
2177         dot_section to set_if_absolute.
2178         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
2179         as is_section_dot_assignment flag to eval_with_dot.
2180         (Output_section_element_dot_assignment::set_section_addresses):
2181         Likewise.
2182         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
2183         parameter.  Also set value if relative to dot_section; set the
2184         symbol's output_section.
2185         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
2186         parameter.  Adjust all callers.
2187         (Expression::eval_maybe_dot): Likewise.
2188         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
2189         Adjust all callers.
2190         * testsuite/script_test_2.t: Test assignment of an absolute value
2191         to dot within an output section element.
2192
2193 2011-10-31  Cary Coutant  <ccoutant@google.com>
2194
2195         * options.h (class General_options): Add --[no-]gnu-unique options.
2196         * symtab.cc (Symbol_table::sized_write_globals): Convert
2197         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
2198
2199 2011-10-31  Cary Coutant  <ccoutant@google.com>
2200
2201         PR gold/13359
2202         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
2203         unnecessary assertion.
2204         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
2205
2206 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
2207
2208         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
2209         gc_mark_symbol.
2210         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
2211         gc_mark_symbol.
2212         Change to just keep the section associated with symbol.
2213         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
2214         they are externally visible and --export-dynamic is turned on.
2215         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
2216
2217 2011-10-19  Ian Lance Taylor  <iant@google.com>
2218
2219         PR gold/13163
2220         * script-sections.cc
2221         (Output_section_element_dot_assignment::needs_output_section): New
2222         function.
2223
2224 2011-10-19  Ian Lance Taylor  <iant@google.com>
2225
2226         PR gold/13204
2227         * layout.cc (Layout::segment_precedes): Don't assert failure if a
2228         --section-start option was seen.
2229         * options.h (General_options::any_section_start): New function.
2230
2231 2011-10-18  David S. Miller  <davem@davemloft.net>
2232
2233         PR binutils/13301
2234         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
2235         member to track relocation locations that have moved during TLS
2236         reloc optimizations.
2237         (Target_sparc::Relocate::Relocate): Initialize to NULL.
2238         (Target_sparc::Relocate::relocate): Adjust view down by 4
2239         bytes if it matches reloc_adjust_addr_.
2240         (Target_sparc::Relocate::relocate_tls): Always move the
2241         __tls_get_addr call delay slot instruction forward 4 bytes when
2242         performing relaxation.
2243
2244 2011-10-18  Cary Coutant  <ccoutant@google.com>
2245
2246         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
2247         (Output_file::map_no_anonymous): Check for non-zero
2248         return code from posix_fallocate.
2249
2250 2011-10-17  Cary Coutant  <ccoutant@google.com>
2251
2252         PR gold/13245
2253         * plugin.cc (is_visible_from_outside): Check for symbols
2254         referenced from dynamic objects.
2255         * resolve.cc (Symbol_table::resolve): Don't count references
2256         from dynamic objects as references from real ELF files.
2257         * testsuite/plugin_test_2.sh: Adjust expected result.
2258
2259 2011-10-17  Cary Coutant  <ccoutant@google.com>
2260
2261         * gold.cc: Include timer.h.
2262         (queue_middle_tasks): Stamp time.
2263         (queue_final_tasks): Likewise.
2264         * main.cc (main): Store timer in parameters.  Print timers
2265         for each pass.
2266         * parameters.cc (Parameters::Parameters): Initialize timer_.
2267         (Parameters::set_timer): New function.
2268         (set_parameters_timer): New function.
2269         * parameters.h (Parameters::set_timer): New function.
2270         (Parameters::timer): New function.
2271         (Parameters::timer_): New data member.
2272         (set_parameters_timer): New function.
2273         * timer.cc (Timer::stamp): New function.
2274         (Timer::get_pass_time): New function.
2275         * timer.h (Timer::stamp): New function.
2276         (Timer::get_pass_time): New function.
2277         (Timer::pass_times_): New data member.
2278
2279 2011-10-17  Cary Coutant  <ccoutant@google.com>
2280
2281         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
2282         task for members of lib groups.
2283
2284 2011-10-17  Cary Coutant  <ccoutant@google.com>
2285
2286         PR gold/13288
2287         * fileread.cc (File_read::find_view): Add assert.
2288         (File_read::make_view): Move bounds check (replace with assert)...
2289         (File_read::find_or_make_view): ... to here.
2290
2291 2011-10-12  Cary Coutant  <ccoutant@google.com>
2292
2293         * output.cc (Output_file::open_base_file): Handle case where
2294         ::read returns less than requested size.
2295
2296 2011-10-10  Cary Coutant  <ccoutant@google.com>
2297
2298         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
2299         Initialize defined_count_.
2300         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
2301         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
2302         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
2303         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
2304         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
2305         * incremental.h (Sized_relobj_incr::defined_count_): New data
2306         member.
2307         (Sized_incr_dynobj::defined_count_): New data member.
2308         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
2309         Return zeroes instead of internal error.
2310
2311 2011-10-10  Cary Coutant  <ccoutant@google.com>
2312
2313         PR gold/13249
2314         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
2315         (Output_reloc::symbol_value): Return PLT offset if flag is set.
2316         * output.h (class Output_reloc): Add use_plt_offset flag.
2317         (Output_reloc::type_): Adjust size of bit field.
2318         (Output_reloc::use_plt_offset_): New bit field.
2319         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
2320         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
2321         flag.  Adjust all callers.
2322         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
2323         creating RELATIVE relocations.
2324
2325 2011-10-10  Nick Clifton  <nickc@redhat.com>
2326
2327         * po/es.po: Updated Spanish translation.
2328         * po/fi.po: Updated Finnish translation.
2329
2330 2011-10-03   Diego Novillo  <dnovillo@google.com>
2331
2332         * options.cc (parse_uint): Fix dereference of RETVAL.
2333
2334 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
2335
2336         * layout.h (section_order_map_): New member.
2337         (get_section_order_map): New member function.
2338         * output.cc (Output_section::add_input_section): Check for patterns
2339         only when --section-ordering-file is specified.
2340         * gold.cc (queue_middle_tasks): Delay updating order of sections till
2341         output_sections have been formed.
2342         * layout.cc (Layout_Layout): Initialize section_order_map_.
2343         * plugin.cc (update_section_order): Store order in order_map. Do not
2344         update the order.
2345         * testsuite/Makefile.am: Add test case for plugin_final_layout.
2346         * testsuite/Makefile.in: Regenerate.
2347         * testsuite/plugin_section_order.c: New file.
2348         * testsuite/plugin_final_layout.cc: New file.
2349         * testsuite/plugin_final_layout.sh: New file.
2350
2351 2011-09-29  Cary Coutant  <ccoutant@google.com>
2352
2353         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
2354         Check for NULL.
2355         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
2356         symbols during incremental update.
2357         (Symbol_table::add_from_dynobj): Likewise.
2358
2359 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2360             Ian Lance Taylor  <iant@google.com>
2361
2362         * symtab.cc (Symbol_table::define_special_symbol): Always
2363         canonicalize version string.
2364
2365 2011-09-26  Cary Coutant  <ccoutant@google.com>
2366
2367         * gold.cc (queue_initial_tasks): Move option checks ...
2368         * options.cc (General_options::finalize): ... to here. Disable
2369         some options; make others fatal.
2370
2371 2011-09-26  Cary Coutant  <ccoutant@google.com>
2372
2373         gcc PR lto/47247
2374         * plugin.cc (get_symbols_v2): New function.
2375         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
2376         (is_referenced_from_outside): New function.
2377         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
2378         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
2379         (get_symbols): Pass version parameter.
2380         (get_symbols_v2): New function.
2381         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
2382         parameter.
2383         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
2384         (onload): Add LDPT_GET_SYMBOLS_V2.
2385         (all_symbols_read_hook): Use get_symbols_v2; check for
2386         LDPR_PREVAILING_DEF_IRONLY_EXP.
2387         * testsuite/plugin_test_3.sh: Update expected results.
2388
2389 2011-09-23  Simon Baldwin  <simonb@google.com>
2390
2391         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
2392         configuration options.
2393         * configure: Regenerate.
2394         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
2395         * Makefile.in: Regenerate.
2396         * testsuite/Makefile.in: Regenerate.
2397
2398 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
2399
2400         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
2401
2402 2011-09-19  Cary Coutant  <ccoutant@google.com>
2403
2404         * incremental.cc (can_incremental_update): Fix typo in comment.
2405         * incremental.h (can_incremental_update): Likewise.
2406
2407 2011-09-18  Cary Coutant  <ccoutant@google.com>
2408
2409         * incremental.cc (can_incremental_update): New function.
2410         * incremental.h (can_incremental_update): New function.
2411         * layout.cc (Layout::init_fixed_output_section): Call it.
2412         (Layout::make_output_section): Don't allow patch space in .eh_frame.
2413         * object.cc (Sized_relobj_file::do_layout): Call
2414         can_incremental_update.
2415
2416 2011-09-13  Cary Coutant  <ccoutant@google.com>
2417
2418         * configure.ac: Check for glibc support for gnu_indirect_function
2419         support with static linking, setting automake conditional
2420         IFUNC_STATIC.
2421         * Makefile.in: Regenerate.
2422         * configure: Regenerate.
2423
2424         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
2425         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
2426         for IFUNC_STATIC.
2427         * testsuite/Makefile.in: Regenerate.
2428
2429 2011-09-13  Cary Coutant  <ccoutant@google.com>
2430
2431         * incremental.cc (Sized_relobj_incr::do_layout): Call
2432         report_comdat_group for kept comdat sections.
2433         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
2434         * testsuite/Makefile.in: Regenerate.
2435         * testsuite/incr_comdat_test_1.cc: New source file.
2436         * testsuite/incr_comdat_test_2_v1.cc: New source file.
2437         * testsuite/incr_comdat_test_2_v2.cc: New source file.
2438         * testsuite/incr_comdat_test_2_v3.cc: New source file.
2439
2440 2011-09-13  Ian Lance Taylor  <iant@google.com>
2441
2442         * object.cc (Sized_relobj_file::do_layout): Remove unused local
2443         variable external_symbols_offset.
2444
2445 2011-09-12  Ian Lance Taylor  <iant@google.com>
2446
2447         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
2448         triggered if object has no symbols.
2449
2450 2011-09-09  David S. Miller  <davem@davemloft.net>
2451
2452         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
2453         (Output_fill_debug_line::do_write): Likewise.
2454
2455 2011-08-29  Cary Coutant  <ccoutant@google.com>
2456
2457         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
2458         casts to match formatting specs.
2459         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
2460
2461 2011-08-26  Cary Coutant  <ccoutant@google.com>
2462
2463         * layout.cc (Free_list::allocate): Provide guarantee of minimum
2464         remaining hole size when allocating.
2465         (Layout::make_output_section): Set fill methods for debug sections.
2466         * layout.h (Free_list::Free_list_node): Move from private to
2467         public.
2468         (Free_list::set_min_hole_size): New function.
2469         (Free_list::begin, Free_list::end): New functions.
2470         (Free_list::min_hole_): New data member.
2471         * output.cc: Include dwarf.h.
2472         (Output_fill_debug_info::do_minimum_hole_size): New function.
2473         (Output_fill_debug_info::do_write): New function.
2474         (Output_fill_debug_line::do_minimum_hole_size): New function.
2475         (Output_fill_debug_line::do_write): New function.
2476         (Output_section::Output_section): Initialize new data member.
2477         (Output_section::set_final_data_size): Ensure patch space is larger
2478         than minimum hole size.
2479         (Output_section::do_write): Fill holes in debug sections.
2480         * output.h (Output_fill): New class.
2481         (Output_fill_debug_info): New class.
2482         (Output_fill_debug_line): New class.
2483         (Output_section::set_free_space_fill): New function.
2484         (Output_section::free_space_fill_): New data member.
2485         * testsuite/Makefile.am (incremental_test_3): Add
2486         --incremental-patch option.
2487         (incremental_test_4): Likewise.
2488         (incremental_test_5): Likewise.
2489         (incremental_test_6): Likewise.
2490         (incremental_copy_test): Likewise.
2491         (incremental_common_test_1): Likewise.
2492         * testsuite/Makefile.in: Regenerate.
2493
2494 2011-08-26  Nick Clifton  <nickc@redhat.com>
2495
2496         * po/es.po: Updated Spanish translation.
2497
2498 2011-08-01  Cary Coutant  <ccoutant@google.com>
2499
2500         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
2501         * gold/testsuite/Makefile.in: Regenerate.
2502         * gold/testsuite/justsyms_exec.c: New source file.
2503         * gold/testsuite/justsyms_lib.c: New source file.
2504
2505 2011-08-01  Cary Coutant  <ccoutant@google.com>
2506
2507         * layout.cc (Layout::set_segment_offsets): Don't realign text
2508         segment if -Ttext was specified.
2509         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
2510         file type.
2511         * object.h (Sized_relobj_file::e_type): New function.
2512         (Sized_relobj_file::e_type_): New data member.
2513         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
2514         base address for ET_EXEC files.
2515         * target.cc (Target::do_make_elf_object_implementation): Allow
2516         ET_EXEC files with --just-symbols option.
2517
2518 2011-07-28  Cary Coutant  <ccoutant@google.com>
2519
2520         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
2521         Add thread_number parameter.
2522         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
2523         * workqueue-threads.cc
2524         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
2525         current thread if its thread number is greater than desired thread
2526         count.
2527         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
2528         Add thread_number parameter.
2529         (Workqueue::should_cancel_thread): Likewise.
2530         (Workqueue::find_runnable_or_wait): Pass thread_number to
2531         should_cancel_thread.
2532         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
2533         parameter.
2534
2535 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
2536
2537         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
2538         only after checking if it cannot be forced local.
2539         * symtab.h (is_externally_visible): Check if the symbol is not forced
2540         local.
2541
2542 2011-07-15  Ian Lance Taylor  <iant@google.com>
2543
2544         * options.h (class General_options): Add --print-output-format.
2545         Move -EL next to -EB, for  better --help output.
2546         * target-select.cc: Include <cstdio>, "options.h", and
2547         "parameters.h".
2548         (Target_selector::do_target_bfd_name): New function.
2549         (print_output_format): New function.
2550         * target-select.h (class Target_selector): Update declarations.
2551         (Target_selector::target_bfd_name): New function.
2552         (print_output_format): Declare.
2553         * main.cc: Include "target-select.h".
2554         (main): Handle --print-output-format.
2555         * gold.cc: Include "target-select.h".
2556         (queue_initial_tasks): Handle --print-output-format when there are
2557         no input files.
2558         * parameters.cc (parameters_force_valid_target): Give a better
2559         error message if -EB/-EL does not match target.
2560         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
2561         function.
2562
2563 2011-07-15  Ian Lance Taylor  <iant@google.com>
2564
2565         * i386.cc (class Output_data_plt_i386): Add layout_ field.
2566         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
2567         (Output_data_plt_i386::do_write): Write address of .dynamic
2568         section to first entry in .got.plt section.
2569         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
2570         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2571         Initialize layout_.
2572         (Output_data_plt_x86_64::do_write): Write address of .dynamic
2573         section to first entry in .got.plt section.
2574         * layout.h (Layout::dynamic_section): New function.
2575
2576 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
2577
2578         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
2579         to claim_file call.
2580         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
2581         input_section_position_, and input_section_glob_.
2582         (read_layout_from_file): Call function section_ordering_specified.
2583         * layout.h (is_section_ordering_specified): New function.
2584         (section_ordering_specified): New function.
2585         (section_ordering_specified_): New boolean member.
2586         * main.cc(main): Call load_plugins after layout object is defined.
2587         * output.cc (Output_section::add_input_section): Use
2588         function section_ordering_specified to check if section ordering is
2589         needed.
2590         * output.cc (Output_section::add_relaxed_input_section): Use
2591         function section_ordering_specified to check if section ordering is
2592         needed.
2593         (Output_section::update_section_layout): New function.
2594         (Output_section::sort_attached_input_sections): Check if input section
2595         must be reordered.
2596         * output.h (Output_section::update_section_layout): New function.
2597         * plugin.cc (get_section_count): New function.
2598         (get_section_type): New function.
2599         (get_section_name): New function.
2600         (get_section_contents): New function.
2601         (update_section_order): New function.
2602         (allow_section_ordering): New function.
2603         (Plugin::load): Add the new interfaces to the transfer vector.
2604         (Plugin_manager::load_plugins): New parameter.
2605         (Plugin_manager::all_symbols_read): New parameter.
2606         (Plugin_manager::claim_file): New parameter. Save the elf object for
2607         unclaimed objects.
2608         (Plugin_manager::get_elf_object): New function.
2609         (Plugin_manager::get_view): Change to directly use the bool to check
2610         if get_view is called from claim_file_hook.
2611         * plugin.h (input_objects): New function
2612         (Plugin__manager::load_plugins): New parameter.
2613         (Plugin_manager::claim_file): New parameter.
2614         (Plugin_manager::get_elf_object): New function.
2615         (Plugin_manager::in_claim_file_handler): New function.
2616         (Plugin_manager::in_claim_file_handler_): New member.
2617         (layout): New function.
2618         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
2619         handler with an extra parameter. Make the elf object before calling
2620         claim_file handler.
2621         * testsuite/plugin_test.c (get_section_count): New function pointer.
2622         (get_section_type): New function pointer.
2623         (get_section_name): New function pointer.
2624         (get_section_contents): New function pointer.
2625         (update_section_order): New function pointer.
2626         (allow_section_ordering): New function pointer.
2627         (onload): Check if the new interfaces exist.
2628
2629 2011-07-13  Ian Lance Taylor  <iant@google.com>
2630
2631         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
2632         relro section.
2633         * x86_64.cc (Target_x86_64::got_section): Likewise.
2634         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
2635         (relro_now_test_SOURCES): New variable.
2636         (relro_now_test_DEPENDENCIES): New variable.
2637         (relro_now_test_LDFLAGS): New variable.
2638         (relro_now_test_LDADD): New variable.
2639         (relro_now_test.so): New target.
2640         * testsuite/Makefile.in: Rebuild.
2641
2642 2011-07-12  Ian Lance Taylor  <iant@google.com>
2643
2644         PR gold/12980
2645         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
2646         GLOB_DAT relocation rather than a RELATIVE relocation for a
2647         protected symbol when creating a shared library.
2648         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2649         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
2650         * testsuite/protected_main_1.cc (main): Test that protected
2651         function has same address.
2652
2653 2011-07-11  Ian Lance Taylor  <iant@google.com>
2654
2655         PR gold/12979
2656         * options.h (class General_options): Add -Bgroup.
2657         * options.cc (General_options::finalize): If -Bgroup is set,
2658         default to --unresolved-symbols=report-all.
2659         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
2660         * target-reloc.h (issue_undefined_symbol_error): Handle
2661         --unresolved-symbols=report-all.
2662
2663 2011-07-08  Ian Lance Taylor  <iant@google.com>
2664
2665         PR gold/11985
2666         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
2667         if linker script discards key sections.
2668         (Layout::create_dynamic_symtab): Likewise.
2669         (Layout::assign_local_dynsym_offsets): Likewise.
2670         (Layout::sized_create_version_sections): Likewise.
2671         (Layout::create_interp): Likewise.
2672         (Layout::finish_dynamic_section): Likewise.
2673         (Layout::set_dynamic_symbol_size): Likewise.
2674
2675 2011-07-08  Ian Lance Taylor  <iant@google.com>
2676
2677         PR gold/12386
2678         * options.h (class General_options): Add --unresolved-symbols.
2679         * target-reloc.h (issue_undefined_symbol_error): Check
2680         --unresolved-symbols.  Add comments.
2681
2682 2011-07-08  Ian Lance Taylor  <iant@google.com>
2683
2684         * testsuite/odr_violation2.cc (Ordering::operator()): Make
2685         expression more complex.
2686
2687 2011-07-08  Ian Lance Taylor  <iant@google.com>
2688
2689         PR gold/11317
2690         * target-reloc.h (issue_undefined_symbol_error): New inline
2691         function, broken out of relocate_section.
2692         (relocate_section): Call issue_undefined_symbol_error.
2693         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2694         there is no TLS segment if we are about to issue an undefined
2695         symbol error.
2696         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2697
2698 2011-07-08  Ian Lance Taylor  <iant@google.com>
2699
2700         PR gold/12279
2701         * resolve.cc (Symbol_table::should_override): Add fromtype
2702         parameter.  Change all callers.  Give error when linking together
2703         TLS and non-TLS symbol.
2704         (Symbol_table::should_override_with_special): Add fromtype
2705         parameter.  Change all callers.
2706         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
2707         there is no TLS segment if we have reported some errors.
2708         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
2709
2710 2011-07-08  Ian Lance Taylor  <iant@google.com>
2711
2712         PR gold/12372
2713         * target.h (Target::plt_address_for_global): New function.
2714         (Target::plt_address_for_local): New function.
2715         (Target::plt_section_for_global): Remove.
2716         (Target::plt_section_for_local): Remove.
2717         (Target::do_plt_address_for_global): New virtual function.
2718         (Target::do_plt_address_for_local): New virtual function.
2719         (Target::do_plt_section_for_global): Remove.
2720         (Target::do_plt_section_for_local): Remove.
2721         (Target::register_global_plt_entry): Add Symbol_table and Layout
2722         parameters.
2723         * output.cc (Output_data_got::Got_entry::write): Use
2724         plt_address_for_global and plt_address_for_local.
2725         * layout.cc (Layout::add_target_dynamic_tags): Use size and
2726         address of output section.
2727         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
2728         got_irelative_, and irelative_count_ fields.  Update
2729         declarations.
2730         (Output_data_plt_i386::has_irelative_section): New function.
2731         (Output_data_plt_i386::entry_count): Add irelative_count_.
2732         (Output_data_plt_i386::set_final_data_size): Likewise.
2733         (class Target_i386): Add got_irelative_ and rel_irelative_
2734         fields.  Update declarations.
2735         (Target_i386::Target_i386): Initialize new fields.
2736         (Target_i386::do_plt_address_for_global): New function replacing
2737         do_plt_section_for_global.
2738         (Target_i386::do_plt_address_for_local): New function replacing
2739         do_plt_section_for_local.
2740         (Target_i386::got_section): Create got_irelative_.
2741         (Target_i386::rel_irelative_section): New function.
2742         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
2743         fields.  Don't define __rel_iplt_{start,end}.
2744         (Output_data_plt_i386::add_entry): Add symtab and layout
2745         parameters.  Change all callers.  Use different PLT and GOT for
2746         IFUNC symbols.
2747         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
2748         layout parameters.  Change all callers.  Use different PLT and
2749         GOT.
2750         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
2751         (Output_data_plt_i386::rel_irelative): New function.
2752         (Output_data_plt_i386::address_for_global): New function.
2753         (Output_data_plt_i386::address_for_local): New function.
2754         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
2755         IRELATIVE GOT when changing IFUNC GOT entries.
2756         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
2757         reloc.
2758         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
2759         if we didn't create an IRELATIVE GOT.
2760         (Target_i386::Relocate::relocate): Use plt_address_for_global and
2761         plt_address_for_local.
2762         (Target_i386::do_dynsym_value): Use plt_address_for_global.
2763         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
2764         got_irelative_, and irelative_count_ fields.  Update
2765         declarations.
2766         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
2767         Initialize new fields.  Remove symtab parameter.  Change all
2768         callers.
2769         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
2770         irelative_count_.
2771         (Output_data_plt_x86_64::has_irelative_section): New function.
2772         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
2773         (class Target_x86_64): Add got_irelative_ and rel_irelative_
2774         fields.  Update declarations.
2775         (Target_x86_64::Target_x86_64): Initialize new fields.
2776         (Target_x86_64::do_plt_address_for_global): New function replacing
2777         do_plt_section_for_global.
2778         (Target_x86_64::do_plt_address_for_local): New function replacing
2779         do_plt_section_for_local.
2780         (Target_x86_64::got_section): Create got_irelative_.
2781         (Target_x86_64::rela_irelative_section): New function.
2782         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
2783         all callers.  Don't create __rel_iplt_{start,end}.
2784         (Output_data_plt_x86_64::add_entry): Add symtab and layout
2785         parameters.  Change all callers.  Use different PLT and GOT for
2786         IFUNC symbols.
2787         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
2788         layout parameters.  Change all callers.  Use different PLT and
2789         GOT.
2790         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
2791         parameters.  Change all callers.  Use different PLT and GOT for
2792         IFUNC symbols.
2793         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
2794         (Output_data_plt_x86_64::rela_irelative): New function.
2795         (Output_data_plt_x86_64::address_for_global): New function.
2796         (Output_data_plt_x86_64::address_for_local): New function.
2797         (Output_data_plt_x86_64::set_final_data_size): Likewise.
2798         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
2799         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
2800         (Target_x86_64::register_global_plt_entry): Add symtab and layout
2801         parameters.
2802         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
2803         reloc.
2804         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
2805         symbols if we didn't create an IRELATIVE GOT.
2806         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
2807         plt_address_for_local.
2808         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
2809         * testsuite/ifuncvar1.c: New test file.
2810         * testsuite/ifuncvar2.c: New test file.
2811         * testsuite/ifuncvar3.c: New test file.
2812         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
2813         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
2814         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
2815         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
2816         * testsuite/Makefile.in: Rebuild.
2817
2818 2011-07-07  Cary Coutant  <ccoutant@google.com>
2819
2820         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
2821         (two_file_test_1_ndebug.o): Likewise.
2822         (two_file_test_1b_ndebug.o): Likewise.
2823         (two_file_test_2_ndebug.o): Likewise.
2824         (two_file_test_main_ndebug.o): Likewise.
2825         (incremental_test_2): Link with no-debug versions.
2826
2827 2011-07-06  Cary Coutant  <ccoutant@google.com>
2828
2829         * gold/incremental.cc
2830         (Output_section_incremental_inputs::write_info_blocks): Check for
2831         hidden and internal symbols.
2832
2833 2011-07-06  Cary Coutant  <ccoutant@google.com>
2834
2835         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
2836         Check disposition for startup file.
2837         (Incremental_inputs::report_command_line): Ignore
2838         --incremental-startup-unchanged option.
2839         * options.cc (General_options::parse_incremental_startup_unchanged):
2840         New function.
2841         (General_options::General_options): Initialize new data member.
2842         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
2843         (General_options): Add --incremental-startup-unchanged option.
2844         (General_options::incremental_startup_disposition): New function.
2845         (General_options::incremental_startup_disposition_): New data member.
2846
2847 2011-07-06  Cary Coutant  <ccoutant@google.com>
2848
2849         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
2850         input file index to Script_info ctor.
2851         (Sized_incremental_binary::do_file_has_changed): Find the
2852         command-line argument for files named in scripts.
2853         * incremental.h (Script_info::Script_info): New ctor
2854         with input file index.
2855         (Script_info::input_file_index): New function.
2856         (Script_info::input_file_index_): New data member.
2857         (Incremental_binary::get_library): Add const.
2858         (Incremental_binary::get_script_info): Add const.
2859         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
2860         * testsuite/Makefile.am (incremental_test_5): New test case.
2861         (incremental_test_6): New test case.
2862         * testsuite/Makefile.in: Regenerate.
2863
2864 2011-07-06  Cary Coutant  <ccoutant@google.com>
2865
2866         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
2867         debug output when command lines differ.
2868
2869 2011-07-06  Cary Coutant  <ccoutant@google.com>
2870
2871         * incremental.cc (Incremental_inputs::report_command_line): Ignore
2872         --incremental-patch option.
2873         * layout.cc (Free_list::allocate): Extend allocation beyond original
2874         end if enabled.
2875         (Layout::make_output_section): Mark sections that should get
2876         patch space.
2877         * options.cc (parse_percent): New function.
2878         * options.h (parse_percent): New function.
2879         (DEFINE_percent): New macro.
2880         (General_options): Add --incremental-patch option.
2881         * output.cc (Output_section::Output_section): Initialize new data
2882         members.
2883         (Output_section::add_input_section): Print section name when out
2884         of patch space.
2885         (Output_section::add_output_section_data): Likewise.
2886         (Output_section::set_final_data_size): Add patch space when
2887         doing --incremental-full.
2888         (Output_section::do_reset_address_and_file_offset): Remove patch
2889         space.
2890         (Output_segment::set_section_list_addresses): Print debug output
2891         only if --incremental-update.
2892         * output.h (Output_section::set_is_patch_space_allowed): New function.
2893         (Output_section::is_patch_space_allowed_): New data member.
2894         (Output_section::patch_space_): New data member.
2895         * parameters.cc (Parameters::incremental_full): New function.
2896         * parameters.h (Parameters::incremental_full): New function
2897         * testsuite/Makefile.am (incremental_test_2): Add test for
2898         --incremental-patch option.
2899         * testsuite/Makefile.in: Regenerate.
2900         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
2901         (t18): Remove function body.
2902
2903 2011-07-05  Doug Kwan  <dougkwan@google.com>
2904
2905         PR gold/12771
2906         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
2907         Arm_Address type for relocation result.
2908         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
2909         overflow check.
2910         (Arm_relocate_functions::abs32): Use unaligned access.
2911         (Arm_relocate_functions::rel32): Ditto.
2912         (Arm_relocate_functions::prel31): Ditto.
2913         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
2914         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
2915         static data relocations.
2916         * testsuite/Makefile.in: Regnerate.
2917         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
2918
2919 2011-07-05  Ian Lance Taylor  <iant@google.com>
2920
2921         PR gold/12392
2922         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
2923         symbols if necessary.
2924         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2925
2926 2011-07-05  Ian Lance Taylor  <iant@google.com>
2927
2928         PR gold/12952
2929         * resolve.cc (Symbol::override_base_with_special): Simply override
2930         version with special symbol version, ignoring previous version.
2931
2932 2011-07-05  Ian Lance Taylor  <iant@google.com>
2933
2934         * object.cc (Sized_relobj_file::include_section_group): Add
2935         information to comment about signature location.
2936
2937 2011-07-02  Ian Lance Taylor  <iant@google.com>
2938
2939         PR gold/12957
2940         * options.h (class General_options): Add -f and -F.
2941         * options.cc (General_options::finalize): Fatal error if -f/-F
2942         are used without -shared.
2943         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
2944
2945 2011-07-02  Ian Lance Taylor  <iant@google.com>
2946
2947         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
2948
2949 2011-07-01  Ian Lance Taylor  <iant@google.com>
2950
2951         PR gold/12525
2952         PR gold/12952
2953         * resolve.cc (Symbol::override_base_with_special): Don't override
2954         the version if the overriding symbol has a different name.
2955         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
2956         all callers.  If we give an error about an undefined version,
2957         define the base version if necessary.
2958         * dynobj.h (class Versions): Update declaration.
2959         * testsuite/weak_alias_test_5.cc: New file.
2960         * testsuite/weak_alias_test.script: New file.
2961         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
2962         and versioned_alias have the right value, and call t2.
2963         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
2964         weak_alias_test_5.so.
2965         (weak_alias_test_LDADD): Likewise.
2966         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
2967         * testsuite/Makefile.in: Rebuild.
2968
2969 2011-07-01  Ian Lance Taylor  <iant@google.com>
2970
2971         PR gold/12525
2972         * options.h (class General_options): Support -z notext.
2973         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
2974         -Wl,-z,notext.
2975         (two_file_shared_nonpic.so): Likewise.
2976         (two_file_shared_mixed.so): Likewise.
2977         (two_file_shared_mixed_1.so): Likewise.
2978         (weak_undef_lib_nonpic.so): Likewise.
2979         (alt/weak_undef_lib_nonpic.so): Likewise.
2980         (tls_test_shared_nonpic.so): Likewise.
2981         * testsuite/Makefile.in: Rebuild.
2982
2983 2011-07-01  Ian Lance Taylor  <iant@google.com>
2984
2985         PR gold/12525
2986         * configure.ac: Test whether static linking works, setting
2987         the automake conditional HAVE_STATIC.
2988         * testsuite/Makefile.am: Disable tests using -static if
2989         HAVE_STATIC is not true.
2990         * configure, testsuite/Makefile.in: Rebuild.
2991
2992 2011-07-01  Ian Lance Taylor  <iant@google.com>
2993
2994         PR gold/12525
2995         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
2996         Assert if we see DW_EH_PE_indirect.
2997         * target.h (Target::ehframe_datarel_base): New function.
2998         (Target::do_ehframe_datarel_base): New target function.
2999         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
3000         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
3001         function.
3002
3003 2011-07-01  Ian Lance Taylor  <iant@google.com>
3004
3005         PR gold/12571
3006         * options.h (class General_options): Add
3007         --ld-generated-unwind-info.
3008         * ehframe.cc (Fde::write): Add address parameter.  Change all
3009         callers.  If associated with PLT, fill in address and size.
3010         (Cie::set_output_offset): Only add merge mapping if there is an
3011         object.
3012         (Cie::write): Add address parameter.  Change all callers.
3013         (Eh_frame::add_ehframe_for_plt): New function.
3014         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
3015         input_offset_ fields into union u_, with new plt field.
3016         (Fde::Fde): Adjust for new union field.
3017         (Fde::Fde) [Output_data version]: New constructor.
3018         (Fde::add_mapping): Only add merge mapping if there is an object.
3019         (class Cie): Update declarations.
3020         (class Eh_frame): Declare add_ehframe_for_plt.
3021         * layout.cc (Layout::layout_eh_frame): Break out code into
3022         make_eh_frame_section, and call it.
3023         (Layout::make_eh_frame_section): New function.
3024         (Layout::add_eh_frame_for_plt): New function.
3025         * layout.h (class Layout): Update declarations.
3026         * merge.cc (Merge_map::add_mapping): Add assertion.
3027         * i386.cc: Include "dwarf.h".
3028         (class Output_data_plt_i386): Make first_plt_entry,
3029         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
3030         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
3031         and plt_eh_frame_fde.
3032         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
3033         boundary.  Call add_eh_frame_for_plt if appropriate.
3034         * x86_64.cc: Include "dwarf.h".
3035         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
3036         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
3037         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
3038         and plt_eh_frame_fde.
3039         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
3040         appropriate.
3041
3042 2011-06-29  Ian Lance Taylor  <iant@google.com>
3043
3044         PR gold/12629
3045         * object.cc (Sized_relobj_file::layout_section): Change shdr
3046         parameter to be const.
3047         (Sized_relobj_file::layout_eh_frame_section): New function, broken
3048         out of do_layout.
3049         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
3050         appropriate.  Call layout_eh_frame_section.
3051         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
3052         sections.
3053         * object.h (class Sized_relobj_file): Update declarations.
3054
3055 2011-06-29  Ian Lance Taylor  <iant@google.com>
3056
3057         PR gold/12652
3058         * script.cc (Token::integer_value): Accept trailing M/m/K/k
3059         modifier.
3060         (Lex::gather_token): Accept trailing M/m/K/k for integers.
3061
3062 2011-06-29  Ian Lance Taylor  <iant@google.com>
3063
3064         PR gold/12675
3065         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
3066         SHT_X86_64_UNWIND.
3067         * layout.cc (Layout::layout_eh_frame): Likewise.
3068
3069 2011-06-29  Ian Lance Taylor  <iant@google.com>
3070
3071         PR gold/12695
3072         * layout.cc (Layout::symtab_section_shndx): New function.
3073         * layout.h (class Layout): Declare symtab_section_shndx.
3074         * output.cc (Output_section::write_header): Call it.
3075
3076 2011-06-29  Ian Lance Taylor  <iant@google.com>
3077
3078         PR gold/12818
3079         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
3080         symbols which are not used in a relocation.
3081
3082 2011-06-28  Ian Lance Taylor  <iant@google.com>
3083
3084         PR gold/12898
3085         * layout.cc (Layout::segment_precedes): Don't crash if a linker
3086         script create indistinguishable segments.
3087         (Layout::set_segment_offsets): Use stable_sort when sorting
3088         segments.  Pass this to Compare_segments constructor.
3089         * layout.h (class Layout): Make segment_precedes non-static.
3090         (class Compare_segments): Change from struct to class.  Add
3091         layout_ field.  Add constructor.
3092         * script-sections.cc
3093         (Script_sections::attach_sections_using_phdrs_clause): Rename
3094         local orphan to is_orphan.  Don't report failure to put empty
3095         section in segment.  On attachment failure, report name of
3096         section, and attach to first PT_LOAD segment.
3097
3098 2011-06-28  Ian Lance Taylor  <iant@google.com>
3099
3100         PR gold/12934
3101         * target-select.cc (Target_selector::Target_selector): Add
3102         emulation parameter.  Change all callers.
3103         (select_target_by_bfd_name): Rename from select_target_by_name.
3104         Change all callers.
3105         (select_target_by_emulation): New function.
3106         (supported_emulation_names): New function.
3107         * target-select.h (class Target_selector): Add emulation_ field.
3108         Update declarations.
3109         (Target_selector::recognize_by_bfd_name): Rename from
3110         recognize_by_name.  Change all callers.
3111         (Target_selector::supported_bfd_names): Rename from
3112         supported_names.  Change all callers.
3113         (Target_selector::recognize_by_emulation): New function.
3114         (Target_selector::supported_emulations): New function.
3115         (Target_selector::emulation): New function.
3116         (Target_selector::do_recognize_by_bfd_name): Rename from
3117         do_recognize_by_name.  Change all callers.
3118         (Target_selector::do_supported_bfd_names): Rename from
3119         do_supported_names.  Change all callers.
3120         (Target_selector::do_recognize_by_emulation): New function.
3121         (Target_selector::do_supported_emulations): New function.
3122         (select_target_by_bfd_name): Change name in declaration.
3123         (select_target_by_emulation): Declare.
3124         (supported_emulation_names): Declare.
3125         * parameters.cc (parameters_force_valid_target): Try to find
3126         target based on emulation from -m option.
3127         * options.h (class General_options): Change doc string for -m.
3128         * options.cc (help): Print emulations.
3129         (General_options::parse_V): Likewise.
3130         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
3131         Add emulation parameter.  Change all callers.
3132
3133 2011-06-28  Ian Lance Taylor  <iant@google.com>
3134
3135         * target.h (class Target): Add osabi_ field.
3136         (Target::osabi): New function.
3137         (Target::set_osabi): New function.
3138         (Target::Target): Initialize osabi_.
3139         (Target::do_adjust_elf_header): Make pure virtual.
3140         (Sized_target::do_adjust_elf_header): Declare.
3141         * target.cc (Sized_target::do_adjust_elf_header): New function.
3142         (class Sized_target): Instantiate all versions.
3143         * freebsd.h (class Target_freebsd): Remove.
3144         (Target_selector_freebsd::do_recognize): Call set_osabi on
3145         Target.
3146         (Target_selector_freebsd::do_recognize_by_name): Likewise.
3147         (Target_selector_freebsd::set_osabi): Remove.
3148         * i386.cc (class Target_i386): Inherit from Sized_target rather
3149         than Target_freebsd.
3150         * x86_64.cc (class Target_x86_64): Likewise.
3151
3152 2011-06-28  Ian Lance Taylor  <iant@google.com>
3153
3154         * target.h (Target::can_check_for_function_pointers): Rewrite.
3155         Make non-virtual.
3156         (Target::can_icf_inline_merge_sections): Likewise.
3157         (Target::section_may_have_icf_unsafe_poineters): Likewise.
3158         (Target::Target_info): Add can_icf_inline_merge_sections field.
3159         (Target::do_can_check_for_function_pointers): New virtual
3160         function.
3161         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
3162         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
3163         from can_check_for_function_pointers, move in file.
3164         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
3165         section_may_have_icf_unsafe_poineters, move in file.
3166         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
3167         * i386.cc (Target_i386::do_can_check_for_function_pointers):
3168         Rename from can_check_for_function_pointers, move in file.
3169         (Target_i386::can_icf_inline_merge_sections): Remove.
3170         (Target_i386::i386_info): Initialize
3171         can_icf_inline_merge_sections.
3172         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
3173         Initialize can_icf_inline_merge_sections.
3174         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
3175         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
3176         Rename from can_check_for_function_pointers, move in file.
3177         (Target_x86_64::can_icf_inline_merge_sections): Remove.
3178         (Target_x86_64::x86_64_info): Initialize
3179         can_icf_inline_merge_sections.
3180         * testsuite/testfile.cc (Target_test::test_target_info):
3181         Likewise.
3182         * icf.cc (get_section_contents): Correct formatting.
3183
3184 2011-06-27  Ian Lance Taylor  <iant@google.com>
3185
3186         * symtab.cc (Symbol::versioned_name): New function.
3187         (Symbol_table::add_to_final_symtab): Use versioned_name when
3188         appropriate.
3189         (Symbol_table::sized_write_symbol): Likewise.
3190         * symtab.h (class Symbol): Declare versioned_name.
3191         * stringpool.h (class Stringpool_template): Add variant of add
3192         which takes a std::basic_string.
3193         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
3194         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
3195         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
3196         (ver_test_12.o): New target.
3197         * testsuite/Makefile.in: Rebuild.
3198
3199 2011-06-27  Doug Kwan  <dougkwan@google.com>
3200
3201         * arm.cc (Arm_relocate_functions::thm_jump8,
3202         Arm_relocate_functions::thm_jump11): Use a wider signed
3203         type to compute offset.
3204         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
3205         arm_thm_jump8.
3206         * testsuite/Makefile.in: Regenerate.
3207         * testsuite/arm_branch_in_range.sh: Check test results of
3208         arm_thm_jump11 and arm_thm_jump8.
3209         * testsuite/arm_thm_jump11.s: New test source file.
3210         * testsuite/arm_thm_jump11.t: New linker script.
3211         * testsuite/arm_thm_jump8.s: New test source file.
3212         * testsuite/arm_thm_jump8.t: New linker script.
3213
3214 2011-06-24  Ian Lance Taylor  <iant@google.com>
3215
3216         * layout.cc: Include "object.h".
3217         (ctors_sections_in_init_array): New static variable.
3218         (Layout::is_ctors_in_init_array): New function.
3219         (Layout::layout): Add entry to ctors_sections_in_init_array if
3220         appropriate.
3221         * layout.h (class Layout): Declare is_ctors_in_init_array.
3222         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
3223         is_ctors_reverse_view is set.
3224         (Sized_relobj_file::write_sections): Add layout parameter.  Change
3225         all callers.  Set is_ctors_reverse_view field of View_size.
3226         (Sized_relobj_file::reverse_words): New function.
3227         * object.h (Sized_relobj_file::View_size): Add
3228         is_ctors_reverse_view field.
3229         (class Sized_relobj_file): Update declarations.
3230         * testsuite/initpri3.c: New test.
3231         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
3232         initpri3b.
3233         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
3234         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
3235         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
3236         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
3237         * testsuite/Makefile.in: Rebuild.
3238
3239 2011-06-24  Cary Coutant  <ccoutant@google.com>
3240
3241         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
3242         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
3243         (debug_msg_cdebug.err): New targets.
3244         * testsuite/Makefile.in: Regenerate.
3245         * testsuite/debug_msg.sh: Check output of link with compressed debug.
3246         Fix checks for link with shared library.
3247
3248 2011-06-24  Doug Kwan  <dougkwan@google.com>
3249
3250         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
3251         skip empty text sections.
3252         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
3253
3254 2011-06-22  Ian Lance Taylor  <iant@google.com>
3255
3256         PR gold/12910
3257         * options.h (class General_options): Add --ctors-in-init-array.
3258         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
3259         friends as SHT_PROGBITS for merging sections.
3260         (Layout::layout): Remove special handling of .init_array and
3261         friends.  Don't sort if doing relocatable link.  Sort for .ctors
3262         and .dtors if ctors_in_init_array.
3263         (Layout::make_output_section): Force correct section types for
3264         .init_array and friends.  Don't sort if doing relocatable link,
3265         Don't sort .ctors and .dtors if ctors_in_init_array.
3266         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
3267         (Layout::output_section_name): Add relobj parameter.  Change all
3268         callers.  Handle .ctors. and .dtors. in code rather than table.
3269         Handle .ctors and .dtors if ctors_in_init_array.
3270         (Layout::match_file_name): New function, moved from output.cc.
3271         * layout.h (class Layout): Update declarations.
3272         * output.cc: Include "layout.h".
3273         (Input_section_sort_entry::get_priority): New function.
3274         (Input_section_sort_entry::match_file_name): Just call
3275         Layout::match_file_name.
3276         (Output_section::Input_section_sort_init_fini_compare::operator()):
3277         Handle .ctors and .dtors.  Sort by explicit priority rather than
3278         by name.
3279         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
3280         * testsuite/initpri2.c: New test.
3281         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
3282         (check_PROGRAMS): Add initpri2.
3283         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
3284         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
3285         * configure, testsuite/Makefile.in: Rebuild.
3286
3287 2011-06-19  Ian Lance Taylor  <iant@google.com>
3288
3289         PR gold/12880
3290         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
3291         .interp section to a PT_INTERP segment even if we have seen a
3292         --dynamic-linker option.  Don't do it if we have seen a PHDRS
3293         clause in a linker script.
3294         (Layout::finalize): Don't create a .interp section if we've
3295         already create a PT_INTERP segment.
3296         (Layout::create_interp): Always call choose_output_section (revert
3297         patch of 2011-06-17).  Don't create PT_INTERP segment.
3298         * script-sections.cc
3299         (Script_sections::create_note_and_tls_segments): Add a .interp
3300         section to a PT_INTERP segment even if we have seen a
3301         --dynamic-linker option.
3302
3303 2011-06-18  Ian Lance Taylor  <iant@google.com>
3304
3305         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
3306         merely because a non-PT_LOAD segment has a dynamic reloc.
3307
3308 2011-06-18  Ian Lance Taylor  <iant@google.com>
3309
3310         * layout.cc (Layout::finish_dynamic_section): Don't create
3311         DT_FLAGS entry if not needed.
3312
3313 2011-06-18  Ian Lance Taylor  <iant@google.com>
3314
3315         PR gold/12745
3316         * layout.cc (Layout::layout_eh_frame): Correct handling of
3317         writable .eh_frame section.
3318
3319 2011-06-17  Ian Lance Taylor  <iant@google.com>
3320
3321         PR gold/12893
3322         * resolve.cc (Symbol_table::resolve): Don't give an error if a
3323         symbol is redefined with the exact same object and value.
3324
3325 2011-06-17  Ian Lance Taylor  <iant@google.com>
3326
3327         PR gold/12880
3328         * layout.h (class Layout): Add interp_segment_ field.
3329         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
3330         (Layout::attach_allocated_section_to_segment): If making shared
3331         library, put .interp section in PT_INTERP segment.
3332         (Layout::finalize): Also call create_interp if -dynamic-linker
3333         option was used.
3334         (Layout::create_interp): Assert that there is no PT_INTERP
3335         segment.  If not using a SECTIONS clause, use make_output_section.
3336         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
3337         * script-sections.cc
3338         (Script_sections::create_note_and_tls_segments): If making shared
3339         library, put .interp section in PT_INTERP segment.
3340
3341 2011-06-17  Ian Lance Taylor  <iant@google.com>
3342
3343         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
3344         when making a shared library.
3345
3346 2011-06-17  Ian Lance Taylor  <iant@google.com>
3347
3348         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
3349         parameter.  Change all callers.  Don't issue warning about PC32
3350         against locally defined symbol.
3351
3352 2011-06-16  Ian Lance Taylor  <iant@google.com>
3353
3354         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
3355         occurs in same object.
3356
3357 2011-06-14  Alan Modra  <amodra@gmail.com>
3358
3359         * po/POTFILES.in: Regenerate.
3360
3361 2011-06-09  Ian Lance Taylor  <iant@google.com>
3362
3363         * script-sections.cc
3364         (Orphan_output_section::set_section_addresses): For a relocatable
3365         link set address to 0.
3366
3367 2011-06-09  Cary Coutant  <ccoutant@google.com>
3368
3369         PR gold/12804
3370         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
3371         used with --compress-debug-sections.
3372         * gold/object.cc (Sized_relobj_file::do_layout): Report
3373         uncompressed size of compressed input sections.
3374
3375 2011-06-08  Cary Coutant  <ccoutant@google.com>
3376
3377         PR gold/12804
3378         * testsuite/two_file_test_2_v1.cc: Change initialization of
3379         v2 to keep it in .data.
3380
3381 2011-06-07  Cary Coutant  <ccoutant@google.com>
3382
3383         * common.cc (Symbol_table::do_allocate_commons_list): Call
3384         gold_fallback.
3385         * errors.cc (Errors::fatal): Adjust call to gold_exit.
3386         (Errors::fallback): New function.
3387         (gold_fallback): New function.
3388         * errors.h (Errors::fallback): New function.
3389         * gold.cc (gold_exit): Change status parameter to enum; adjust
3390         all callers.
3391         (queue_initial_tasks): Call gold_fallback.
3392         * gold.h: Include cstdlib.
3393         (Exit_status): New enum type.
3394         (gold_exit): Change status parameter to enum.
3395         (gold_fallback): New function.
3396         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
3397         (Layout::create_symtab_sections): Likewise.
3398         (Layout::create_shdrs): Likewise.
3399         * main.cc (main): Adjust call to gold_exit.
3400         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
3401         (Output_data_got::add_got_entry_pair): Likewise.
3402         (Output_section::add_input_section): Likewise.
3403         (Output_section::add_output_section_data): Likewise.
3404         (Output_segment::set_section_list_addresses): Likewise.
3405         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
3406
3407 2011-06-07  Cary Coutant  <ccoutant@google.com>
3408
3409         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
3410         for incremental links.
3411         * output.cc (Output_segment::set_section_list_addresses): Remove
3412         FIXME and test for TLS or BSS.
3413
3414 2011-06-07  Cary Coutant  <ccoutant@google.com>
3415
3416         * testsuite/Makefile.am: Add incremental_copy_test,
3417         incremental_common_test_1.
3418         * testsuite/Makefile.in: Regenerate.
3419         * testsuite/common_test_1_v1.c: New source file.
3420         * testsuite/common_test_1_v2.c: New source file.
3421         * testsuite/copy_test_v1.cc: New source file.
3422
3423 2011-06-07  Cary Coutant  <ccoutant@google.com>
3424
3425         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
3426         update, allocate common from bss section's free list.
3427         * incremental-dump.cc (dump_incremental_inputs): Print flag for
3428         linker-defined symbols.
3429         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
3430         Skip GOT and PLT entries that are no longer referenced.
3431         (Output_section_incremental_inputs::write_info_blocks): Mark
3432         linker-defined symbols.
3433         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
3434         * output.cc (Output_section::allocate): New function.
3435         * output.h (Output_section::allocate): New function.
3436         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
3437         linker-defined symbols.
3438         (Symbol::override_base_with_special): Copy is_predefined_ flag.
3439         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
3440         (Symbol::init_base_output_data): Likewise.
3441         (Symbol::init_base_output_segment): Likewise.
3442         (Symbol::init_base_constant): Likewise.
3443         (Sized_symbol::init_output_data): Likewise.
3444         (Sized_symbol::init_output_segment): Likewise.
3445         (Sized_symbol::init_constant): Likewise.
3446         (Symbol_table::do_define_in_output_data): Likewise.
3447         (Symbol_table::do_define_in_output_segment): Likewise.
3448         (Symbol_table::do_define_as_constant): Likewise.
3449         * symtab.h (Symbol::is_predefined): New function.
3450         (Symbol::init_base_output_data): Add is_predefined parameter.
3451         (Symbol::init_base_output_segment): Likewise.
3452         (Symbol::init_base_constant): Likewise.
3453         (Symbol::is_predefined_): New data member.
3454         (Sized_symbol::init_output_data): Add is_predefined parameter.
3455         (Sized_symbol::init_output_segment): Likewise.
3456         (Sized_symbol::init_constant): Likewise.
3457         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
3458
3459 2011-06-07  Cary Coutant  <ccoutant@google.com>
3460
3461         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
3462         instead of emit_copy_reloc.
3463         (Copy_relocs::emit_copy_reloc): Refactor.
3464         (Copy_relocs::make_copy_reloc): New function.
3465         (Copy_relocs::add_copy_reloc): Remove.
3466         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
3467         section.
3468         (Copy_relocs::make_copy_reloc): New function.
3469         (Copy_relocs::add_copy_reloc): Remove.
3470         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
3471         unchanged input files.
3472         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
3473         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
3474         Reserve BSS space for COPY relocations.
3475         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3476         (Output_section_incremental_inputs::write_info_blocks): Record
3477         whether a symbol is copied from a shared object.
3478         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
3479         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
3480         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
3481         (Incremental_input_entry_reader::get_output_symbol_index): Add
3482         is_copy parameter.
3483         (Incremental_binary::emit_copy_relocs): New function.
3484         (Incremental_binary::do_emit_copy_relocs): New function.
3485         (Sized_incremental_binary::Sized_incremental_binary): Initialize
3486         new data member.
3487         (Sized_incremental_binary::add_copy_reloc): New function.
3488         (Sized_incremental_binary::do_emit_copy_relocs): New function.
3489         (Sized_incremental_binary::Copy_reloc): New struct.
3490         (Sized_incremental_binary::Copy_relocs): New typedef.
3491         (Sized_incremental_binary::copy_relocs_): New data member.
3492         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
3493         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
3494         * target.h (Sized_target::emit_copy_reloc): New function.
3495         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
3496
3497 2011-06-02  Cary Coutant  <ccoutant@google.com>
3498
3499         PR gold/12163
3500         * gold/archive.cc (Archive::Archive): Initialize new data member.
3501         (Archive::include_all_members): Return if archive has already been
3502         included.
3503         * gold/archive.h (Archive::include_all_members_): New data member.
3504
3505 2011-06-02  Nick Clifton  <nickc@redhat.com>
3506
3507         * dynobj.h: Fix spelling mistake in comment.
3508         * output.cc: Likewise.
3509
3510 2011-05-31  Doug Kwan  <dougkwan@google.com>
3511             Asier Llano
3512
3513         PR gold/12826
3514         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
3515         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
3516         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
3517         redundant arm_exidx_test.so.
3518         * testsuite/Makefile.in: Regenerate.
3519         (check_SCRIPTS): Add pr12826.sh
3520         (check_DATA): Add pr12826.stdout
3521         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
3522         * testsuite/pr12826.sh: New file.
3523         * testsuite/pr12826_1.s: Ditto.
3524         * testsuite/pr12826_1.s: Ditto.
3525
3526 2011-05-30  Ian Lance Taylor  <iant@google.com>
3527
3528         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
3529         sections.
3530
3531 2011-05-29  Ian Lance Taylor  <iant@google.com>
3532
3533         PR gold/12804
3534         * testsuite/Makefile.am: Use different file name for two_file_test
3535         temporary file for each incremental test.
3536         * testsuite/Makefile.in: Rebuild.
3537
3538 2011-05-29  Ian Lance Taylor  <iant@google.com>
3539
3540         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
3541         binary input file is empty.
3542
3543 2011-05-27  Ian Lance Taylor  <iant@google.com>
3544
3545         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
3546         (ver_test_9.so): Likewise.
3547         * testsuite/Makefile.in: Rebuild.
3548
3549 2011-05-26 Cary Coutant  <ccoutant@google.com>
3550
3551         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
3552         * incremental.cc (Incremental_inputs::report_input_section): Fix
3553         comment, indentation.
3554         (Incremental_inputs::report_comdat_group): New function.
3555         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3556         of data for incremental input file entry.
3557         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
3558         group count, COMDAT group signatures.
3559         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
3560         an unchanged input file.
3561         * incremental.h (Incremental_object_entry::Incremental_object_entry):
3562         Initialize new data member.
3563         (Incremental_object_entry::add_comdat_group): New function.
3564         (Incremental_object_entry::get_comdat_group_count): New function.
3565         (Incremental_object_entry::get_comdat_signature_key): New function.
3566         (Incremental_object_entry::groups_): New data member.
3567         (Incremental_inputs::report_comdat_group): New function.
3568         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
3569         data for incremental input file entry.
3570         (Incremental_input_entry_reader::get_comdat_group_count): New function.
3571         (Incremental_input_entry_reader::get_input_section): Adjust size of
3572         data for incremental input file entry.
3573         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
3574         (Incremental_input_entry_reader::get_comdat_group_signature): New
3575         function.
3576         * object.cc (Sized_relobj::include_section_group): Report kept
3577         COMDAT groups for incremental links.
3578
3579 2011-05-24  David Meyer  <pdox@google.com>
3580
3581         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
3582         with name parameter.  Add found_name parameter.
3583         * fileread.cc (Input_file::find_file): Adjust code accordingly.
3584         * dirsearch.h (class Dirsearch): Update declaration.
3585
3586 2011-05-24  Ian Lance Taylor  <iant@google.com>
3587
3588         * archive.cc (Library_base::should_include_member): Pull in object
3589         from archive if it defines the entry symbol.
3590         * parameters.cc (Parameters::entry): New function.
3591         * parameters.h (class Parameters): Declare entry.
3592         * output.h (class Output_file_header): Remove entry_ field.
3593         * output.cc (Output_file_header::Output_file_header): Remove entry
3594         parameter.  Change all callers.
3595         (Output_file_header::entry): Use parameters->entry.
3596         * gold.cc (queue_middle_tasks): Likewise.
3597         * plugin.cc (Plugin_hook::run): Likewise.
3598
3599 2011-05-24 Cary Coutant  <ccoutant@google.com>
3600
3601         * gold.cc (queue_initial_tasks): Pass incremental base filename
3602         to Output_file::open_base_file; don't print error message.
3603         * incremental-dump.cc (main): Adjust call to
3604         Output_file::open_for_modification.
3605         * incremental-dump.cc (main): Likewise.
3606         * incremental.cc (Incremental_inputs::report_command_line):
3607         Ignore --incremental-base option when comparing command lines.
3608         Ignore parameter when given as separate argument.
3609         * options.h (class General_options): Add --incremental-base.
3610         * output.cc (Output_file::Output_file):
3611         (Output_file::open_base_file): Add base_name and writable parameters;
3612         read base file into new file; print error message here.
3613         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3614         callers.
3615         * output.h (Output_file::open_for_modification): Rename to...
3616         (Output_file::open_base_file): ...this; add base_name and
3617         writable parameters; adjust all callers.
3618         (Output_file::map_no_anonymous): Add writable parameter; adjust all
3619         callers.
3620         * testsuite/Makefile.am (incremental_test_4): Test
3621         --incremental-base.
3622         * testsuite/Makefile.in: Regenerate.
3623
3624 2011-05-24 Cary Coutant  <ccoutant@google.com>
3625
3626         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
3627         incremental_test_4.
3628         * testsuite/Makefile.in: Regenerate.
3629         * testsuite/two_file_test_1_v1.cc: New test source file.
3630         * testsuite/two_file_test_1b_v1.cc: New test source file.
3631         * testsuite/two_file_test_2_v1.cc: New test source file.
3632
3633 2011-05-24 Cary Coutant  <ccoutant@google.com>
3634
3635         * dynobj.h (Dynobj::do_dynobj): New function.
3636         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
3637         flag and soname for shared objects.
3638         * incremental.cc (Incremental_inputs::report_object): Make
3639         either Incremental_object_entry or Incremental_dynobj_entry; add
3640         soname to string table.
3641         (Incremental_inputs::report_input_section): Add assertion.
3642         (Output_section_incremental_inputs::set_final_data_size): Adjust
3643         type of input file entry for shared libraries; adjust size of
3644         shared library info entry.
3645         (Output_section_incremental_inputs::write_input_files): Write
3646         as_needed flag for shared libraries.
3647         (Output_section_incremental_inputs::write_info_blocks): Adjust type
3648         of input file entry for shared libraries; write soname.
3649         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
3650         soname from incremental info.
3651         * incremental.h (enum Incremental_input_flags): Add
3652         INCREMENTAL_INPUT_AS_NEEDED.
3653         (Incremental_input_entry::Incremental_input_entry): Initialize new
3654         data member.
3655         (Incremental_input_entry::set_as_needed): New function.
3656         (Incremental_input_entry::as_needed): New function.
3657         (Incremental_input_entry::do_dynobj_entry): New function.
3658         (Incremental_input_entry::as_needed_): New data member.
3659         (Incremental_object_entry::Incremental_object_entry): Don't check
3660         for shared library.
3661         (Incremental_object_entry::do_type): Likewise.
3662         (class Incremental_dynobj_entry): New class.
3663         (Incremental_input_entry_reader::as_needed): New function.
3664         (Incremental_input_entry_reader::get_soname): New function.
3665         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
3666         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
3667         size of shared library info entry.
3668         * layout.cc (Layout::finish_dynamic_section): Don't test for
3669         incremental link when adding DT_NEEDED entries.
3670         * object.h (Object::Object): Initialize new data member.
3671         (Object::dynobj): New function.
3672         (Object::set_as_needed): New function.
3673         (Object::as_needed): New function.
3674         (Object::do_dynobj): New function.
3675         (Object::as_needed_): New data member.
3676
3677 2011-05-24 Cary Coutant  <ccoutant@google.com>
3678
3679         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
3680         info; adjust display of GOT entries.
3681         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3682         vector of input objects; remove file_status_.
3683         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
3684         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
3685         got_plt reader; call target hooks to reserve GOT entries.
3686         (Output_section_incremental_inputs::set_final_data_size): Adjust size
3687         of input file info header and GOT info entry.
3688         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
3689         relocation info.
3690         (Got_plt_view_info::got_descriptor): Remove.
3691         (Got_plt_view_info::sym_index): New data member.
3692         (Got_plt_view_info::input_index): New data member.
3693         (Local_got_offset_visitor::visit): Write input file index.
3694         (Global_got_offset_visitor::visit): Write 0 for input file index.
3695         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
3696         with sym_index and input_index.
3697         (Output_section_incremental_inputs::write_got_plt): Adjust size of
3698         incremental info GOT entry; replace got_descriptor with input_index.
3699         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
3700         map from input file index to object.
3701         (Sized_relobj_incr::do_layout): Replace direct data member reference
3702         with accessor function.
3703         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
3704         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
3705         Adjust size of input file info header.
3706         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
3707         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
3708         (Incremental_input_entry_reader::get_input_section): Adjust size of
3709         input file info header.
3710         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
3711         of incremental info GOT entry.
3712         (Incremental_got_plt_reader::get_got_desc): Remove.
3713         (Incremental_got_plt_reader::get_got_symndx): New function.
3714         (Incremental_got_plt_reader::get_got_input_index): New function.
3715         (Sized_incremental_binary::Sized_incremental_binary): Remove
3716         file_status_; add input_objects_.
3717         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
3718         (Sized_incremental_binary::set_file_is_unchanged): Remove.
3719         (Sized_incremental_binary::file_is_unchanged): Remove.
3720         (Sized_incremental_binary::set_input_object): New function.
3721         (Sized_incremental_binary::input_object): New function.
3722         (Sized_incremental_binary::file_status_): Remove.
3723         (Sized_incremental_binary::input_objects_): New data member.
3724         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
3725         references.
3726         (Sized_relobj_incr::invalid_address): Move to base class.
3727         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
3728         class.
3729         (Sized_relobj_incr::do_output_section_offset): Likewise.
3730         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
3731         (Sized_relobj_incr::section_offsets_): Likewise.
3732         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
3733         function.
3734         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
3735         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
3736         with accessor function.
3737         (Sized_relobj_file::do_layout): Likewise.
3738         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
3739         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
3740         (Sized_relobj_file::compute_final_local_value): Replace refs to
3741         section_offsets_ with accessor function.
3742         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
3743         * object.h (Relobj::Relobj): Initialize new data members.
3744         (Relobj::add_dyn_reloc): New function.
3745         (Relobj::first_dyn_reloc): New function.
3746         (Relobj::dyn_reloc_count): New function.
3747         (Relobj::first_dyn_reloc_): New data member.
3748         (Relobj::dyn_reloc_count_): New data member.
3749         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
3750         references.
3751         (Sized_relobj::Address): New typedef.
3752         (Sized_relobj::invalid_address): Move here from child class.
3753         (Sized_relobj::Sized_relobj): Initialize new data members.
3754         (Sized_relobj::sized_relobj): New function.
3755         (Sized_relobj::is_output_section_offset_invalid): Move here from
3756         child class.
3757         (Sized_relobj::get_output_section_offset): Likewise.
3758         (Sized_relobj::local_has_got_offset): Likewise.
3759         (Sized_relobj::local_got_offset): Likewise.
3760         (Sized_relobj::set_local_got_offset): Likewise.
3761         (Sized_relobj::do_for_all_local_got_entries): Likewise.
3762         (Sized_relobj::clear_got_offsets): New function.
3763         (Sized_relobj::section_offsets): Move here from child class.
3764         (Sized_relobj::do_output_section_offset): Likewise.
3765         (Sized_relobj::do_set_section_offset): Likewise.
3766         (Sized_relobj::Local_got_offsets): Likewise.
3767         (Sized_relobj::local_got_offsets_): Likewise.
3768         (Sized_relobj::section_offsets_): Likewise.
3769         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
3770         references.
3771         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
3772         class.
3773         (Sized_relobj_file::sized_relobj): New function
3774         (Sized_relobj_file::local_has_got_offset): Move to base class.
3775         (Sized_relobj_file::local_got_offset): Likewise.
3776         (Sized_relobj_file::set_local_got_offset): Likewise.
3777         (Sized_relobj_file::get_output_section_offset): Likewise.
3778         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
3779         (Sized_relobj_file::do_output_section_offset): Likewise.
3780         (Sized_relobj_file::do_set_section_offset): Likewise.
3781         (Sized_relobj_file::Local_got_offsets): Likewise.
3782         (Sized_relobj_file::local_got_offsets_): Likewise.
3783         (Sized_relobj_file::section_offsets_): Likewise.
3784         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
3785         (all constructors).
3786         (set_needs_dynsym_index): Convert relobj to derived class pointer.
3787         (Output_reloc::get_symbol_index): Likewise.
3788         (Output_reloc::local_section_offset): Likewise.
3789         (Output_reloc::get_address): Likewise.
3790         (Output_reloc::symbol_value): Likewise.
3791         (Output_data_got::reserve_slot): Move to class definition.
3792         (Output_data_got::reserve_local): New function.
3793         (Output_data_got::reserve_slot_for_global): Remove.
3794         (Output_data_got::reserve_global): New function.
3795         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
3796         (all constructors, two instantiations).
3797         (Output_reloc::get_relobj): New function (two instantiations).
3798         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
3799         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
3800         (Output_data_reloc::add_global): Adjust type of relobj.
3801         (Output_data_reloc::add_global_relative): Likewise.
3802         (Output_data_reloc::add_symbolless_global_addend): Likewise.
3803         (Output_data_reloc::add_local): Likewise.
3804         (Output_data_reloc::add_local_relative): Likewise.
3805         (Output_data_reloc::add_symbolless_local_addend): Likewise.
3806         (Output_data_reloc::add_local_section): Likewise.
3807         (Output_data_reloc::add_output_section): Likewise.
3808         (Output_data_reloc::add_absolute): Likewise.
3809         (Output_data_reloc::add_target_specific): Likewise.
3810         (Output_data_got::reserve_slot): Move definition here.
3811         (Output_data_got::reserve_local): New function.
3812         (Output_data_got::reserve_global): New function.
3813         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
3814         section_offsets_ with accessor function.
3815         (Sized_relobj_file::write_sections): Likewise.
3816         (Sized_relobj_file::do_relocate_sections): Likewise.
3817         * target.h (Sized_target::reserve_local_got_entry): New function.
3818         (Sized_target::reserve_global_got_entry): New function.
3819         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
3820         (Target_x86_64::reserve_global_got_entry): New function.
3821         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
3822
3823 2011-05-23 Cary Coutant  <ccoutant@google.com>
3824
3825         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
3826         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
3827         bit when checking got_type.
3828         * incremental.cc (Sized_incremental_binary::setup_readers):
3829         Store symbol table and string table locations; initialize bit vector
3830         of file status flags.
3831         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
3832         unchanged files.
3833         (Sized_incremental_binary::do_process_got_plt): New function.
3834         (Sized_incremental_binary::get_symtab_view): Use stored locations.
3835         (Output_section_incremental_inputs::set_final_data_size): Record
3836         file index for each input file.
3837         (Output_section_incremental_inputs::write_got_plt): Store file index
3838         instead of input entry offset for each GOT entry.
3839         * incremental.h
3840         (Incremental_input_entry::Incremental_input_entry): Initialize new
3841         data member.
3842         (Incremental_input_entry::set_offset): Store file index.
3843         (Incremental_input_entry::get_file_index): New function.
3844         (Incremental_input_entry::file_index_): New data member.
3845         (Incremental_binary::process_got_plt): New function.
3846         (Incremental_binary::do_process_got_plt): New function.
3847         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3848         data members.
3849         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
3850         (Sized_incremental_binary::set_file_is_unchanged): New function.
3851         (Sized_incremental_binary::file_is_unchanged): New function.
3852         (Sized_incremental_binary::do_process_got_plt): New function.
3853         (Sized_incremental_binary::file_status_): New data member.
3854         (Sized_incremental_binary::main_symtab_loc_): New data member.
3855         (Sized_incremental_binary::main_strtab_loc_): New data member.
3856         * output.cc (Output_data_got::Got_entry::write): Add case
3857         RESERVED_CODE.
3858         (Output_data_got::add_global): Call add_got_entry.
3859         (Output_data_got::add_global_plt): Likewise.
3860         (Output_data_got::add_global_with_rel): Likewise.
3861         (Output_data_got::add_global_with_rela): Likewise.
3862         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
3863         (Output_data_got::add_global_pair_with_rela): Likewise.
3864         (Output_data_got::add_local): Call add_got_entry.
3865         (Output_data_got::add_local_plt): Likewise.
3866         (Output_data_got::add_local_with_rel): Likewise.
3867         (Output_data_got::add_local_with_rela): Likewise.
3868         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
3869         (Output_data_got::add_local_pair_with_rela): Likewise.
3870         (Output_data_got::reserve_slot): New function.
3871         (Output_data_got::reserve_slot_for_global): New function.
3872         (Output_data_got::add_got_entry): New function.
3873         (Output_data_got::add_got_entry_pair): New function.
3874         (Output_section::add_output_section_data): Edit FIXME.
3875         * output.h
3876         (Output_section_data_build::Output_section_data_build): New
3877         constructor with size parameter.
3878         (Output_data_space::Output_data_space): Likewise.
3879         (Output_data_got::Output_data_got): Initialize new data member; new
3880         constructor with size parameter.
3881         (Output_data_got::add_constant): Call add_got_entry.
3882         (Output_data_got::reserve_slot): New function.
3883         (Output_data_got::reserve_slot_for_global): New function.
3884         (class Output_data_got::Got_entry): Add RESERVED_CODE.
3885         (Output_data_got::add_got_entry): New function.
3886         (Output_data_got::add_got_entry_pair): New function.
3887         (Output_data_got::free_list_): New data member.
3888         * target.h (Sized_target::init_got_plt_for_update): New function.
3889         (Sized_target::register_global_plt_entry): New function.
3890         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
3891         Initialize new data member; call init; add constructor with PLT count.
3892         (Output_data_plt_x86_64::init): New function.
3893         (Output_data_plt_x86_64::add_relocation): New function.
3894         (Output_data_plt_x86_64::reserve_slot): New function.
3895         (Output_data_plt_x86_64::free_list_): New data member.
3896         (Target_x86_64::init_got_plt_for_update): New function.
3897         (Target_x86_64::register_global_plt_entry): New function.
3898         (Output_data_plt_x86_64::add_entry): Allocate from free list for
3899         incremental updates.
3900         (Output_data_plt_x86_64::add_relocation): New function.
3901         * testsuite/object_unittest.cc (Object_test): Set default options.
3902
3903 2011-05-16  Ian Lance Taylor  <iant@google.com>
3904
3905         * options.h (class General_options): Make -i a synonym for -r.
3906
3907 2011-05-16  Ian Lance Taylor  <iant@google.com>
3908
3909         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
3910
3911 2011-05-10 Cary Coutant  <ccoutant@google.com>
3912
3913         * object.cc (Sized_relobj::do_count_local_symbols): Check for
3914         strip_all (-s).
3915
3916 2011-05-06  Ian Lance Taylor  <iant@google.com>
3917
3918         * layout.cc (Layout::layout): If the output section flags change,
3919         update the ordering.
3920
3921 2011-04-25 Cary Coutant  <ccoutant@google.com>
3922
3923         * incremental-dump.cc (dump_incremental_inputs): Print local
3924         symbol info for each input file.
3925         * incremental.cc
3926         (Output_section_incremental_inputs::set_final_data_size): Add local
3927         symbol info to input file entries in incremental info.
3928         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3929         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
3930         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
3931         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
3932         implementation.
3933         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
3934         (Sized_incr_relobj::do_relocate): Write the local symbols.
3935         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
3936         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
3937         Adjust size of input file header.
3938         (Incremental_inputs_reader::get_local_symbol_offset): New function.
3939         (Incremental_inputs_reader::get_local_symbol_count): New function.
3940         (Incremental_inputs_reader::get_input_section): Adjust size of input
3941         file header.
3942         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
3943         (Sized_incr_relobj::This): New typedef.
3944         (Sized_incr_relobj::sym_size): New const data member.
3945         (Sized_incr_relobj::Local_symbol): New struct.
3946         (Sized_incr_relobj::do_output_local_symbol_count): New function.
3947         (Sized_incr_relobj::do_local_symbol_offset): New function.
3948         (Sized_incr_relobj::local_symbol_count_): New data member.
3949         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
3950         (Sized_incr_relobj::local_symbol_index_): New data member.
3951         (Sized_incr_relobj::local_symbol_offset_): New data member.
3952         (Sized_incr_relobj::local_dynsym_offset_): New data member.
3953         (Sized_incr_relobj::local_symbols_): New data member.
3954         * object.h (Relobj::output_local_symbol_count): New function.
3955         (Relobj::local_symbol_offset): New function.
3956         (Relobj::do_output_local_symbol_count): New function.
3957         (Relobj::do_local_symbol_offset): New function.
3958         (Sized_relobj::do_output_local_symbol_count): New function.
3959         (Sized_relobj::do_local_symbol_offset): New function.
3960
3961 2011-04-22  Vladimir Simonov  <sv@sw.ru>
3962
3963         * descriptors.cc (set_close_on_exec): New function.
3964         (Descriptors::open): Use set_close_on_exec.
3965         * output.cc (S_ISLNK): Define if not defined.
3966
3967 2011-04-22 Cary Coutant  <ccoutant@google.com>
3968
3969         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
3970         global symbol map.
3971         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3972         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
3973         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
3974         relocations.
3975         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
3976         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
3977         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
3978         * incremental.h
3979         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
3980         function.
3981         (Incremental_binary::apply_incremental_relocs): New function.
3982         (Incremental_binary::do_apply_incremental_relocs): New function.
3983         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
3984         data member.
3985         (Sized_incremental_binary::add_global_symbol): New function.
3986         (Sized_incremental_binary::global_symbol): New function.
3987         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
3988         (Sized_incremental_binary::symbol_map_): New data member.
3989         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
3990         * target.h (Sized_target::apply_relocation): New function.
3991         * target-reloc.h (apply_relocation): New function.
3992         * x86_64.cc (Target_x86_64::apply_relocation): New function.
3993
3994 2011-04-22  Doug Kwan  <dougkwan@google.com>
3995
3996         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
3997         flag of a SHT_ARM_EXIDX section.
3998         * testsuite/Makefile.am (arm_exidx_test): New test rules.
3999         * testsuite/Makefile.in: Regenerate.
4000         * testsuite/arm_exidx_test.s: New file.
4001         * testsuite/arm_exidx_test.sh: Same.
4002
4003 2011-04-20 Cary Coutant  <ccoutant@google.com>
4004
4005         PR gold/12689
4006         * archive.h (Incremental_archive_entry::Archive_member):
4007         Initialize arg_serial_ (second constructor).
4008
4009 2011-04-17  Ian Lance Taylor  <iant@google.com>
4010
4011         * object.cc (Relocate_info::location): Simplify location string.
4012         * errors.cc (Errors::error_at_location): Don't print program
4013         name.
4014         (Errors::warning_at_location): Likewise.
4015         (Errors::undefined_symbol): Likewise.
4016         * testsuite/debug_msg.sh: Update accordingly.
4017
4018 2011-04-14 Cary Coutant  <ccoutant@google.com>
4019
4020         * gold/layout.cc (Layout::symtab_section_offset): New function.
4021         * gold/layout.h (Layout::symtab_section_offset): New function.
4022         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
4023
4024 2011-04-12  Ian Lance Taylor  <iant@google.com>
4025
4026         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
4027         with MREMAP_MAYMOVE.
4028         * output.h (class Output_file): Add map_is_allocated_ field.
4029         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
4030         not available, provide stubs.  If mremap is not available, #define
4031         it to gold_mremap.
4032         (MREMAP_MAYMOVE): Define if not defined.
4033         (Output_file::Output_file): Initialize map_is_allocated_.
4034         (Output_file::resize): Check map_is_allocated_.
4035         (Output_file::map_anonymous): If mmap fails, use malloc.
4036         (Output_file::unmap): Don't do anything for an anonymous map.
4037         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
4038         is not available, provide stubs.
4039         (File_read::View::~View): Use free rather than delete[].
4040         (File_read::make_view): Use malloc rather than new[].  If mmap
4041         fails, use malloc.
4042         (File_read::find_or_make_view): Use malloc rather than new[].
4043         * gold.h: Remove HAVE_REMAP code.
4044         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
4045         exists.  Rename mremap to gold_mremap.  If mmap is not available
4046         don't do anything.
4047         * configure, config.in: Rebuild.
4048
4049 2011-04-11  Ian Lance Taylor  <iant@google.com>
4050
4051         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
4052         initialize local variable v.
4053
4054 2011-04-11  Cary Coutant  <ccoutant@google.com>
4055
4056         * archive.cc (Archive::include_member): Adjust call to
4057         report_object.
4058         (Add_archive_symbols::run): Track argument serial numbers.
4059         (Lib_group::include_member): Likewise.
4060         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
4061         * archive.h (Incremental_archive_entry::Archive_member):
4062         Initialize arg_serial_.
4063         (Archive_member::arg_serial_): New data member.
4064         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
4065         (Sized_dynobj::do_add_symbols): Track symbols when doing an
4066         incremental link.
4067         (Sized_dynobj::do_for_all_local_got_entries): New function.
4068         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
4069         function.
4070         * fileread.cc (get_mtime): New function.
4071         * fileread.h (get_mtime): New function.
4072         * gold.cc (queue_initial_tasks): Check for incremental update.
4073         (process_incremental_input): New function.
4074         (queue_middle_tasks): Don't force valid target for incremental
4075         update.
4076         * incremental-dump.cc (find_input_containing_global): Adjust
4077         size of symbol info entry.
4078         (dump_incremental_inputs): Dump argument serial number and
4079         in_system_directory flag; bias shndx by 1; print symbol names
4080         when dumping per-file symbol lists; use new symbol info readers.
4081         * incremental.cc
4082         (Output_section_incremental_inputs:update_data_size): New function.
4083         (Sized_incremental_binary::setup_readers): Setup input readers
4084         for each input file; build maps for files added from libraries
4085         and scripts.
4086         (Sized_incremental_binary::check_input_args): New function.
4087         (Sized_incremental_binary::do_check_inputs): Build map of argument
4088         serial numbers to input arguments.
4089         (Sized_incremental_binary::do_file_has_changed): Rename
4090         do_file_is_unchanged to this; compare file modification times.
4091         (Sized_incremental_binary::do_init_layout): New function.
4092         (Sized_incremental_binary::do_reserve_layout): New function.
4093         (Sized_incremental_binary::do_get_input_reader): Remove.
4094         (Sized_incremental_binary::get_symtab_view): New function.
4095         (Incremental_checker::can_incrementally_link_output_file): Remove.
4096         (Incremental_inputs::report_command_line): Exclude --debug options.
4097         (Incremental_inputs::report_archive_begin): Add parameter; track
4098         argument serial numbers; don't put input file entry for archive
4099         before archive members.
4100         (Incremental_inputs::report_archive_end): Put input file entry
4101         for archive after archive members.
4102         (Incremental_inputs::report_object): Add parameter; track argument
4103         serial numbers and in_system_directory flag.
4104         (Incremental_inputs::report_script): Add parameter; track argument
4105         serial numbers.
4106         (Output_section_incremental_inputs::set_final_data_size): Adjust
4107         size of symbol info entry; check for forwarding symbols.
4108         (Output_section_incremental_inputs::write_input_files): Write
4109         in_system_directory flag and argument serial number.
4110         (Output_section_incremental_inputs::write_info_blocks): Map section
4111         indices between incremental info and original input file; store
4112         input section index for each symbol.
4113         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
4114         change operator() to visit().
4115         (class Global_got_offset_visitor): Likewise.
4116         (class Global_symbol_visitor_got_plt):
4117         (Output_section_incremental_inputs::write_got_plt): Use new visitor
4118         classes.
4119         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
4120         (Sized_incr_relobj::do_read_symbols): New function.
4121         (Sized_incr_relobj::do_layout): New function.
4122         (Sized_incr_relobj::do_layout_deferred_sections): New function.
4123         (Sized_incr_relobj::do_add_symbols): New function.
4124         (Sized_incr_relobj::do_should_include_member): New function.
4125         (Sized_incr_relobj::do_for_all_global_symbols): New function.
4126         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
4127         (Sized_incr_relobj::do_section_size): New function.
4128         (Sized_incr_relobj::do_section_name): New function.
4129         (Sized_incr_relobj::do_section_contents): New function.
4130         (Sized_incr_relobj::do_section_flags): New function.
4131         (Sized_incr_relobj::do_section_entsize): New function.
4132         (Sized_incr_relobj::do_section_address): New function.
4133         (Sized_incr_relobj::do_section_type): New function.
4134         (Sized_incr_relobj::do_section_link): New function.
4135         (Sized_incr_relobj::do_section_info): New function.
4136         (Sized_incr_relobj::do_section_addralign): New function.
4137         (Sized_incr_relobj::do_initialize_xindex): New function.
4138         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
4139         (Sized_incr_relobj::do_read_relocs): New function.
4140         (Sized_incr_relobj::do_gc_process_relocs): New function.
4141         (Sized_incr_relobj::do_scan_relocs): New function.
4142         (Sized_incr_relobj::do_count_local_symbols): New function.
4143         (Sized_incr_relobj::do_finalize_local_symbols): New function.
4144         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
4145         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
4146         (Sized_incr_relobj::do_relocate): New function.
4147         (Sized_incr_relobj::do_set_section_offset): New function.
4148         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
4149         (Sized_incr_dynobj::do_read_symbols): New function.
4150         (Sized_incr_dynobj::do_layout): New function.
4151         (Sized_incr_dynobj::do_add_symbols): New function.
4152         (Sized_incr_dynobj::do_should_include_member): New function.
4153         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
4154         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
4155         (Sized_incr_dynobj::do_section_size): New function.
4156         (Sized_incr_dynobj::do_section_name): New function.
4157         (Sized_incr_dynobj::do_section_contents): New function.
4158         (Sized_incr_dynobj::do_section_flags): New function.
4159         (Sized_incr_dynobj::do_section_entsize): New function.
4160         (Sized_incr_dynobj::do_section_address): New function.
4161         (Sized_incr_dynobj::do_section_type): New function.
4162         (Sized_incr_dynobj::do_section_link): New function.
4163         (Sized_incr_dynobj::do_section_info): New function.
4164         (Sized_incr_dynobj::do_section_addralign): New function.
4165         (Sized_incr_dynobj::do_initialize_xindex): New function.
4166         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
4167         (make_sized_incremental_object): New function.
4168         (Incremental_library::copy_unused_symbols): New function.
4169         (Incremental_library::do_for_all_unused_symbols): New function.
4170         * incremental.h (enum Incremental_input_flags): New type.
4171         (class Incremental_checker): Remove.
4172         (Incremental_input_entry::Incremental_input_entry): Add argument
4173         serial number.
4174         (Incremental_input_entry::arg_serial): New function.
4175         (Incremental_input_entry::set_is_in_system_directory): New function.
4176         (Incremental_input_entry::is_in_system_directory): New function.
4177         (Incremental_input_entry::arg_serial_): New data member.
4178         (Incremental_input_entry::is_in_system_directory_): New data member.
4179         (class Script_info): Move here from script.h.
4180         (Script_info::Script_info): Add filename parameter.
4181         (Script_info::filename): New function.
4182         (Script_info::filename_): New data member.
4183         (Incremental_script_entry::Incremental_script_entry): Add argument
4184         serial number.
4185         (Incremental_object_entry::Incremental_object_entry): Likewise.
4186         (Incremental_object_entry::add_input_section): Build list of input
4187         sections with map to original shndx.
4188         (Incremental_object_entry::get_input_section_index): New function.
4189         (Incremental_object_entry::shndx_): New data member.
4190         (Incremental_object_entry::name_key_): Rename; adjust all refs.
4191         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
4192         (Incremental_archive_entry::Incremental_archive_entry): Add argument
4193         serial number.
4194         (Incremental_inputs::report_archive_begin): Likewise.
4195         (Incremental_inputs::report_object): Likewise.
4196         (Incremental_inputs::report_script): Likewise.
4197         (class Incremental_global_symbol_reader): New class.
4198         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
4199         and store flags and input file type.
4200         (Incremental_input_entry_reader::arg_serial): New function.
4201         (Incremental_input_entry_reader::type): Extract type from flags.
4202         (Incremental_input_entry_reader::is_in_system_directory): New function.
4203         (Incremental_input_entry_reader::get_input_section_count): Call
4204         accessor function for type.
4205         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
4206         function for type; adjust size of global symbol entry.
4207         (Incremental_input_entry_reader::get_global_symbol_count): Call
4208         accessor function for type.
4209         (Incremental_input_entry_reader::get_object_count): Likewise.
4210         (Incremental_input_entry_reader::get_object_offset): Likewise.
4211         (Incremental_input_entry_reader::get_member_count): Likewise.
4212         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
4213         (Incremental_input_entry_reader::get_member_offset): Likewise.
4214         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
4215         (Incremental_input_entry_reader::Global_symbol_info): Remove.
4216         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
4217         (Incremental_input_entry_reader::get_global_symbol_reader): New
4218         function.
4219         (Incremental_input_entry_reader::get_output_symbol_index): New
4220         function.
4221         (Incremental_input_entry_reader::type_): Remove.
4222         (Incremental_input_entry_reader::flags_): New data member.
4223         (Incremental_inputs_reader::input_file_offset): New function.
4224         (Incremental_inputs_reader::input_file_index): New function.
4225         (Incremental_inputs_reader::input_file): Call input_file_offset.
4226         (Incremental_inputs_reader::input_file_at_offset): New function.
4227         (Incremental_relocs_reader::get_r_type): Reformat.
4228         (Incremental_relocs_reader::get_r_shndx): Reformat.
4229         (Incremental_relocs_reader::get_r_offset): Reformat.
4230         (Incremental_relocs_reader::data): New function.
4231         (Incremental_binary::Incremental_binary): Initialize new data members.
4232         (Incremental_binary::check_inputs): Add cmdline parameter.
4233         (Incremental_binary::file_is_unchanged): Remove.
4234         (Input_reader::arg_serial): New function.
4235         (Input_reader::get_unused_symbol_count): New function.
4236         (Input_reader::get_unused_symbol): New function.
4237         (Input_reader::do_arg_serial): New function.
4238         (Input_reader::do_get_unused_symbol_count): New function.
4239         (Input_reader::do_get_unused_symbol): New function.
4240         (Incremental_binary::input_file_count): New function.
4241         (Incremental_binary::get_input_reader): Change signature to use
4242         index instead of filename.
4243         (Incremental_binary::file_has_changed): New function.
4244         (Incremental_binary::get_input_argument): New function.
4245         (Incremental_binary::get_library): New function.
4246         (Incremental_binary::get_script_info): New function.
4247         (Incremental_binary::init_layout): New function.
4248         (Incremental_binary::reserve_layout): New function.
4249         (Incremental_binary::output_file): New function.
4250         (Incremental_binary::do_check_inputs): New function.
4251         (Incremental_binary::do_file_is_unchanged): Remove.
4252         (Incremental_binary::do_file_has_changed): New function.
4253         (Incremental_binary::do_init_layout): New function.
4254         (Incremental_binary::do_reserve_layout): New function.
4255         (Incremental_binary::do_input_file_count): New function.
4256         (Incremental_binary::do_get_input_reader): Change signature.
4257         (Incremental_binary::input_args_map_): New data member.
4258         (Incremental_binary::library_map_): New data member.
4259         (Incremental_binary::script_map_): New data member.
4260         (Sized_incremental_binary::Sized_incremental_binary): Initialize
4261         new data members.
4262         (Sized_incremental_binary::output_section): New function.
4263         (Sized_incremental_binary::inputs_reader): Add const.
4264         (Sized_incremental_binary::symtab_reader): Add const.
4265         (Sized_incremental_binary::relocs_reader): Add const.
4266         (Sized_incremental_binary::got_plt_reader): Add const.
4267         (Sized_incremental_binary::get_symtab_view): New function.
4268         (Sized_incremental_binary::Inputs_reader): New typedef.
4269         (Sized_incremental_binary::Input_entry_reader): New typedef.
4270         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
4271         (Sized_incremental_binary::do_file_is_unchanged): Remove.
4272         (Sized_incremental_binary::do_file_has_changed): New function.
4273         (Sized_incremental_binary::do_init_layout): New function.
4274         (Sized_incremental_binary::do_reserve_layout): New function.
4275         (Sized_input_reader::Inputs_reader): Remove.
4276         (Sized_input_reader::Input_entry_reader): Remove.
4277         (Sized_input_reader::do_arg_serial): New function.
4278         (Sized_input_reader::do_get_unused_symbol_count): New function.
4279         (Sized_input_reader::do_get_unused_symbol): New function.
4280         (Sized_incremental_binary::do_input_file_count): New function.
4281         (Sized_incremental_binary::do_get_input_reader): Change signature;
4282         use index instead of filename.
4283         (Sized_incremental_binary::section_map_): New data member.
4284         (Sized_incremental_binary::input_entry_readers_): New data member.
4285         (class Sized_incr_relobj): New class.
4286         (class Sized_incr_dynobj): New class.
4287         (make_sized_incremental_object): New function.
4288         (class Incremental_library): New class.
4289         * layout.cc (Free_list::num_lists): New static data member.
4290         (Free_list::num_nodes): New static data member.
4291         (Free_list::num_removes): New static data member.
4292         (Free_list::num_remove_visits): New static data member.
4293         (Free_list::num_allocates): New static data member.
4294         (Free_list::num_allocate_visits): New static data member.
4295         (Free_list::init): New function.
4296         (Free_list::remove): New function.
4297         (Free_list::allocate): New function.
4298         (Free_list::dump): New function.
4299         (Free_list::print_stats): New function.
4300         (Layout_task_runner::run): Resize output file for incremental updates.
4301         (Layout::Layout): Initialize new data members.
4302         (Layout::set_incremental_base): New function.
4303         (Layout::init_fixed_output_section): New function.
4304         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
4305         incremental updates.
4306         (Layout::create_gold_note): Do not create gold note section for
4307         incremental updates.
4308         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
4309         for incremental updates.
4310         (Layout::set_section_offsets): For incremental updates, allocate space
4311         from free list.
4312         (Layout::create_symtab_sections): Layout with offsets relative to
4313         start of section; for incremental updates, allocate space from free
4314         list.
4315         (Layout::create_shdrs): For incremental updates, allocate space from
4316         free list.
4317         (Layout::finish_dynamic_section): For incremental updates, do not
4318         check --as-needed (fixed in subsequent patch).
4319         * layout.h (class Free_list): New class.
4320         (Layout::set_incremental_base): New function.
4321         (Layout::incremental_base): New function.
4322         (Layout::init_fixed_output_section): New function.
4323         (Layout::allocate): New function.
4324         (Layout::incremental_base_): New data member.
4325         (Layout::free_list_): New data member.
4326         * main.cc (main): Print Free_list statistics.
4327         * object.cc (Relobj::finalize_incremental_relocs): Add
4328         clear_counts parameter; clear counts only when clear_counts is set.
4329         (Sized_relobj::Sized_relobj): Initialize new base class.
4330         (Sized_relobj::do_layout): Don't report special sections.
4331         (Sized_relobj::do_for_all_local_got_entries): New function.
4332         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
4333         symtab_off to all symbol table offsets.
4334         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
4335         * object.h (class Got_offset_list): Move to top of file.
4336         (Object::Object): Allow case where input_file == NULL.
4337         (Object::~Object): Likewise.
4338         (Object::input_file): Assert that input_file != NULL.
4339         (Object::lock): Allow case where input_file == NULL.
4340         (Object::unlock): Likewise.
4341         (Object::is_locked): Likewise.
4342         (Object::token): Likewise.
4343         (Object::release): Likewise.
4344         (Object::is_incremental): New function.
4345         (Object::get_mtime): New function.
4346         (Object::for_all_local_got_entries): New function.
4347         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
4348         (Object::set_is_in_system_directory): New function.
4349         (Object::is_in_system_directory): New function.
4350         (Object::do_is_incremental): New function.
4351         (Object::do_get_mtime): New function.
4352         (Object::do_for_all_local_got_entries): New function.
4353         (Object::is_in_system_directory_): New data member.
4354         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
4355         (class Sized_relobj_base): New class.
4356         (class Sized_relobj): Derive from Sized_relobj_base.
4357         (class Sized_relobj::Symbols): Redeclare from base class.
4358         (class Sized_relobj::local_got_offset_list): Remove.
4359         (class Sized_relobj::Output_sections): Redeclare from base class.
4360         (class Sized_relobj::do_for_all_local_got_entries): New function.
4361         (class Sized_relobj::write_local_symbols): Add offset parameter.
4362         (class Sized_relobj::local_symbol_offset_): Update comment.
4363         (class Sized_relobj::local_dynsym_offset_): Update comment.
4364         * options.cc (Input_arguments::add_file): Remove const.
4365         * options.h (Input_file_argument::Input_file_argument):
4366         Initialize arg_serial_ (all constructors).
4367         (Input_file_argument::set_arg_serial): New function.
4368         (Input_file_argument::arg_serial): New function.
4369         (Input_file_argument::arg_serial_): New data member.
4370         (Input_arguments::Input_arguments): Initialize file_count_.
4371         (Input_arguments::add_file): Remove const.
4372         (Input_arguments::number_of_input_files): New function.
4373         (Input_arguments::file_count_): New data member.
4374         (Command_line::number_of_input_files): Call
4375         Input_arguments::number_of_input_files.
4376         * output.cc (Output_segment_headers::Output_segment_headers):
4377         Set current size.
4378         (Output_section::Input_section::current_data_size): New function.
4379         (Output_section::Output_section): Initialize new data members.
4380         (Output_section::add_input_section): Don't do merge sections for
4381         an incremental link; allocate space from free list for an
4382         incremental update.
4383         (Output_section::add_output_section_data): Allocate space from
4384         free list for an incremental update.
4385         (Output_section::update_data_size): New function.
4386         (Output_section::set_fixed_layout): New function.
4387         (Output_section::reserve): New function.
4388         (Output_segment::set_section_addresses): Remove const.
4389         (Output_segment::set_section_list_addresses): Remove const; allocate
4390         space from free list for an incremental update.
4391         (Output_segment::set_offset): Adjust size of RELRO segment for an
4392         incremental update.
4393         * output.h (Output_data::current_data_size): Move here from
4394         child classes.
4395         (Output_data::pre_finalize_data_size): New function.
4396         (Output_data::update_data_size): New function.
4397         (Output_section_headers::update_data_size): new function.
4398         (Output_section_data_build::current_data_size): Move to Output_data.
4399         (Output_data_strtab::update_data_size): New function.
4400         (Output_section::current_data_size): Move to Output_data.
4401         (Output_section::set_fixed_layout): New function.
4402         (Output_section::has_fixed_layout): New function.
4403         (Output_section::reserve): New function.
4404         (Output_section::update_data_size): New function.
4405         (Output_section::has_fixed_layout_): New data member.
4406         (Output_section::free_list_): New data member.
4407         (Output_segment::set_section_addresses): Remove const.
4408         (Output_segment::set_section_list_addresses): Remove const.
4409         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
4410         New function.
4411         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
4412         New function.
4413         * readsyms.cc (Read_symbols::do_read_symbols): Add library
4414         parameter when calling Add_symbols constructor; store argument
4415         serial number for members of a lib group.
4416         (Add_symbols::locks): Allow case where token == NULL.
4417         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
4418         (Read_member::~Read_member): New function.
4419         (Read_member::is_runnable): New function.
4420         (Read_member::locks): New function.
4421         (Read_member::run): New function.
4422         (Check_script::~Check_script): New function.
4423         (Check_script::is_runnable): New function.
4424         (Check_script::locks): New function.
4425         (Check_script::run): New function.
4426         (Check_library::~Check_library): New function.
4427         (Check_library::is_runnable): New function.
4428         (Check_library::locks): New function.
4429         (Check_library::run): New function.
4430         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
4431         (Add_symbols::library_): New data member.
4432         (class Read_member): New class.
4433         (class Check_script): New class.
4434         (class Check_library): New class.
4435         * reloc.cc (Read_relocs::is_runnable): Allow case where
4436         token == NULL.
4437         (Read_relocs::locks): Likewise.
4438         (Scan_relocs::locks): Likewise.
4439         (Relocate_task::locks): Likewise.
4440         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
4441         to clear counters.
4442         (Sized_relobj::incremental_relocs_scan): Fix comment.
4443         (Sized_relobj::do_relocate): Pass output file offset to
4444         write_local_symbols.
4445         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
4446         from class declaration.
4447         * script.cc (read_input_script): Allocate Script_info; pass
4448         argument serial number to report_script.
4449         * script.h (class Script_info): Move to incremental.h.
4450         * symtab.cc (Symbol_table::add_from_incrobj): New function.
4451         * symtab.h (Symbol_table::add_from_incrobj): New function.
4452         (Symbol_table::set_file_offset): New function.
4453
4454 2011-04-05  Cary Coutant  <ccoutant@google.com>
4455
4456         * incremental-dump.cc (dump_incremental_inputs): Change signature
4457         to take a Sized_incremental_binary; change caller.  Use readers
4458         in Sized_incremental_binary.
4459         * incremental.cc
4460         (Sized_incremental_binary::find_incremental_inputs_sections):
4461         Rename do_find_incremental_inputs_sections to this.
4462         (Sized_incremental_binary::setup_readers): New function.
4463         (Sized_incremental_binary::do_check_inputs): Check
4464         has_incremental_info_ flag; move setup code to setup_readers;
4465         use input readers.
4466         (Sized_incremental_binary::do_file_is_unchanged): New function.
4467         (Sized_incremental_binary::do_get_input_reader): New function.
4468         * incremental.h (class Incremental_binary): Move to end of file.
4469         (Incremental_binary::file_is_unchanged): New function.
4470         (Incremental_binary::do_file_is_unchanged): New function.
4471         (Incremental_binary::Input_reader): New class.
4472         (Incremental_binary::get_input_reader): New function.
4473         (class Sized_incremental_binary): Move to end of file.
4474         (Sized_incremental_binary::Sized_incremental_binary): Setup the
4475         input section reader classes.
4476         (Sized_incremental_binary::has_incremental_info): New function.
4477         (Sized_incremental_binary::inputs_reader): New function.
4478         (Sized_incremental_binary::symtab_reader): New function.
4479         (Sized_incremental_binary::relocs_reader): New function.
4480         (Sized_incremental_binary::got_plt_reader): New function.
4481         (Sized_incremental_binary::do_file_is_unchanged): New function.
4482         (Sized_incremental_binary::Sized_input_reader): New class.
4483         (Sized_incremental_binary::get_input_reader): New function.
4484         (Sized_incremental_binary::find_incremental_inputs_sections):
4485         Rename do_find_incremental_inputs_sections to this.
4486         (Sized_incremental_binary::setup_readers): New function.
4487         (Sized_incremental_binary::has_incremental_info_): New data member.
4488         (Sized_incremental_binary::inputs_reader_): New data member.
4489         (Sized_incremental_binary::symtab_reader_): New data member.
4490         (Sized_incremental_binary::relocs_reader_): New data member.
4491         (Sized_incremental_binary::got_plt_reader_): New data member.
4492         (Sized_incremental_binary::current_input_file_): New data member.
4493
4494 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
4495
4496         PR gold/12640
4497         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
4498         violation.
4499
4500 2011-03-30  Cary Coutant  <ccoutant@google.com>
4501
4502         * archive.cc (Archive::include_member): Adjust call to report_object.
4503         (Add_archive_symbols::run): Add script_info to call to
4504         report_archive_begin.
4505         (Lib_group::include_member): Adjust call to report_object.
4506         (Add_lib_group_symbols::run): Adjust call to report_object.
4507         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
4508         blocks.  Add object count for script input files.
4509         * incremental.cc (Incremental_inputs::report_archive_begin): Add
4510         script_info parameter; change all callers.
4511         (Incremental_inputs::report_object): Add script_info parameter;
4512         change all callers.
4513         (Incremental_inputs::report_script): Store backpointer to
4514         incremental info entry.
4515         (Output_section_incremental_inputs::set_final_data_size): Record
4516         additional information for scripts.
4517         (Output_section_incremental_inputs::write_info_blocks): Likewise.
4518         * incremental.h (Incremental_script_entry::add_object): New function.
4519         (Incremental_script_entry::get_object_count): New function.
4520         (Incremental_script_entry::get_object): New function.
4521         (Incremental_script_entry::objects_): New data member; adjust
4522         constructor.
4523         (Incremental_inputs::report_archive_begin): Add script_info parameter.
4524         (Incremental_inputs::report_object): Add script_info parameter.
4525         (Incremental_inputs_reader::get_object_count): New function.
4526         (Incremental_inputs_reader::get_object_offset): New function.
4527         * options.cc (Input_arguments::add_file): Return reference to
4528         new input argument.
4529         * options.h (Input_argument::set_script_info): New function.
4530         (Input_argument::script_info): New function.
4531         (Input_argument::script_info_): New data member; adjust all
4532         constructors.
4533         (Input_file_group::add_file): Return reference to new input argument.
4534         (Input_file_lib::add_file): Likewise.
4535         (Input_arguments::add_file): Likewise.
4536         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
4537         * script.cc (Parser_closure::Parser_closure): Add script_info
4538         parameter; adjust all callers.
4539         (Parser_closure::script_info): New function.
4540         (Parser_closure::script_info_): New data member.
4541         (read_input_script): Report scripts earlier to incremental info.
4542         (script_add_file): Set script_info in Input_argument.
4543         (script_add_library): Likewise.
4544         * script.h (Script_options::Script_info): Rewrite class.
4545
4546 2011-03-29  Cary Coutant  <ccoutant@google.com>
4547
4548         * archive.cc (Library_base::should_include_member): Move
4549         method here from class Archive.
4550         (Archive::Archive): Initialize base class.
4551         (Archive::should_include_member): Move to base class.
4552         (Archive::do_for_all_unused_symbols): New function.
4553         (Add_archive_symbols::run): Remove redundant access to
4554         incremental_inputs.
4555         (Lib_group::Lib_group): Initialize base class.
4556         (Lib_group::do_filename): New function.
4557         (Lib_group::include_member): Pass pointer to Lib_group to
4558         report_object.
4559         (Lib_group::do_for_all_unused_symbols): New function.
4560         (Add_lib_group_symbols::run): Report archive information for
4561         incremental links.
4562         * archive.h (class Library_base): New base class.
4563         (class Archive): Derive from Library_base.
4564         (Archive::filename): Move to base class.
4565         (Archive::set_incremental_info): Likewise.
4566         (Archive::incremental_info): Likewise.
4567         (Archive::Should_include): Likewise.
4568         (Archive::should_include_member): Likewise.
4569         (Archive::Armap_entry): Remove.
4570         (Archive::Unused_symbol_iterator): Remove.
4571         (Archive::unused_symbols_begin): Remove.
4572         (Archive::unused_symbols_end): Remove.
4573         (Archive::do_filename): New function.
4574         (Archive::do_get_mtime): New function.
4575         (Archive::do_for_all_unused_symbols): New function.
4576         (Archive::task_): Move to base class.
4577         (Archive::incremental_info_): Likewise.
4578         (class Lib_group): Derive from Library_base.
4579         (Lib_group::do_filename): New function.
4580         (Lib_group::do_get_mtime): New function.
4581         (Lib_group::do_for_all_unused_symbols): New function.
4582         (Lib_group::task_): Move to base class.
4583         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
4584         function.
4585         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
4586         function.
4587         * incremental.cc (Incremental_inputs::report_archive_begin):
4588         Use Library_base; call library's get_mtime; add incremental inputs
4589         entry before members.
4590         (class Unused_symbol_visitor): New class.
4591         (Incremental_inputs::report_archive_end): Use Library_base; use
4592         visitor class to record unused symbols; don't add incremental inputs
4593         entry after members.
4594         (Incremental_inputs::report_object): Use Library_base.
4595         * incremental.h
4596         (Incremental_archive_entry::Incremental_archive_entry): Remove
4597         unused Archive parameter.
4598         (Incremental_inputs::report_archive_begin): Use Library_base.
4599         (Incremental_inputs::report_archive_end): Likewise.
4600         (Incremental_inputs::report_object): Likewise.
4601         * object.cc (Sized_relobj::do_for_all_global_symbols): New
4602         function.
4603         * object.h (Object::for_all_global_symbols): New function.
4604         (Object::do_for_all_global_symbols): New function.
4605         (Sized_relobj::do_for_all_global_symbols): New function.
4606         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
4607         function.
4608         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
4609         function.
4610
4611 2011-03-27  Ian Lance Taylor  <iant@google.com>
4612
4613         * archive.cc (Archive::interpret_header): Return -1 if something
4614         goes wrong.  Change callers accordingly.
4615
4616 2011-03-25  Cary Coutant  <ccoutant@google.com>
4617
4618         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
4619         * testsuite/Makefile.in: Regenerate.
4620
4621 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
4622
4623         * plugin.cc (get_view): New.
4624         (Plugin::load): Pass get_view to the plugin.
4625         (Plugin_manager::get_view): New.
4626
4627 2011-03-21  Ian Lance Taylor  <iant@google.com>
4628
4629         * testsuite/final_layout.sh: Rewrite to not use dc.
4630         * testsuite/relro_test.sh: Fail if dc is not present.
4631
4632 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
4633
4634         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
4635         Change == to -eq.
4636         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
4637         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
4638         Change == to -eq.
4639         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
4640         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
4641
4642 2011-03-14  Ian Lance Taylor  <iant@google.com>
4643
4644         * script-sections.cc (Sort_output_sections::script_compare):
4645         Rename from is_before, change return type.
4646         (Sort_output_sections::operator()): Adjust accordingly.
4647
4648 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
4649
4650         PR gold/12572
4651         * testsuite/odr_violation2.cc: Add comment to make all error line
4652         numbers double digits.
4653         * testsuite/debug_msg.sh: Adjust expected errors.
4654
4655 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
4656
4657         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
4658         but mark earlier ones as non-canonical
4659         (offset_to_iterator): Update search target and example
4660         (do_addr2line): Return extra lines in a vector*
4661         (format_file_lineno): Extract from do_addr2line
4662         (one_addr2line): Add vector* out-param
4663         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
4664         when a lineno entry appeared last for its instruction
4665         (Dwarf_line_info): Add vector* out-param
4666         * object.cc (Relocate_info): Pass NULL for the vector* out-param
4667         * symtab.cc (Odr_violation_compare): Include the lineno in the
4668         comparison again.
4669         (linenos_from_loc): New. Combine the canonical line for an
4670         address with its other lines.
4671         (True_if_intersect): New. Helper functor to make
4672         std::set_intersection a query.
4673         (detect_odr_violations): Compare sets of lines instead of just
4674         one line for each function. This became less deterministic, but
4675         has fewer false positives.
4676         * symtab.h: Declarations.
4677         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
4678         mix an optimized and non-optimized object in the same binary
4679         (odr_violation2.so): Same.
4680         * testsuite/Makefile.in: Regenerate from Makefile.am.
4681         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
4682         * testsuite/debug_msg.sh: Update line numbers and add
4683         assertions.
4684         * testsuite/odr_violation1.cc: Use OdrDerived, in a
4685         non-optimized context.
4686         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
4687         isn't inlined, and use OdrDerived in an optimized context.
4688         * testsuite/odr_header1.h: Defines OdrDerived, where
4689         optimization will change the
4690         first-instruction-in-the-destructor's file and line number.
4691         * testsuite/odr_header2.h: Defines OdrBase.
4692
4693 2011-03-09  Ian Lance Taylor  <iant@google.com>
4694
4695         * fileread.cc (File_read::clear_views): Don't delete the whole
4696         file view.
4697
4698 2011-03-08  Ian Lance Taylor  <iant@google.com>
4699
4700         PR gold/12525
4701         * fileread.cc: #include <climits>.
4702         (GOLD_IOV_MAX): Define.
4703         (File_read::read_multiple): Limit number of entries by iov_max.
4704         * fileread.h (class File_read): Always set max_readv_entries to
4705         128.
4706
4707 2011-03-07  Ian Lance Taylor  <iant@google.com>
4708
4709         PR gold/12525
4710         * options.h (class General_options): Add -dy and -dn.
4711
4712 2011-03-02  Cary Coutant  <ccoutant@google.com>
4713
4714         * testsuite/script_test_9.t: Add TLS segment.
4715
4716 2011-03-02  Simon Baldwin  <simonb@google.com>
4717
4718         * configure.ac: Add check for gnu_indirect_function support in
4719         the toolchain building binutils.
4720         * configure: Rebuild.
4721
4722 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
4723
4724         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
4725         plugin only symbols.
4726         (Symbol_table::sized_finalize_symbol) Mark symbol only present
4727         in plugin files as not needed in the symbol table.
4728
4729 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
4730
4731         * output.cc (Output_section::add_input_section): Delay fill
4732         generation for section ordering.
4733
4734 2011-02-09  Ian Lance Taylor  <iant@google.com>
4735
4736         PR gold/12316
4737         * object.h (class Sized_relobj): Remove clear_local_symbols.
4738         * reloc.cc (Sized_relobj::do_relocate): Don't call
4739         clear_local_symbols.
4740
4741 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
4742
4743         * plugin.cc (is_visible_from_outside): Return true for symbols
4744         in the -u option.
4745
4746 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
4747
4748         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
4749         filename.
4750
4751 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
4752
4753         * icf.h (is_section_foldable_candidate): Change type of parameter
4754         to std::string.
4755         * icf.cc (Icf::find_identical_sections): Change type of local variable
4756         section_name to be std::string.
4757         (is_function_ctor_or_dtor): Change type of parameter to std::string.
4758
4759 2011-01-25  Ian Lance Taylor  <iant@google.com>
4760
4761         * script.cc (script_add_extern): Rewrite to use
4762         add_symbol_reference.
4763
4764 2011-01-25  Doug Kwan  <dougkwan@google.com>
4765
4766         * icf.cc (get_section_contents): Always lock section's object.
4767
4768 2011-01-24  Ian Lance Taylor  <iant@google.com>
4769
4770         * options.h (class General_options): Accept
4771         --no-detect-odr-violations.
4772
4773 2011-01-24  Ian Lance Taylor  <iant@google.com>
4774
4775         * version.cc (version_string): Bump to 1.11.
4776
4777 2011-01-24  Ian Lance Taylor  <iant@google.com>
4778
4779         * plugin.cc (class Plugin_rescan): Define new class.
4780         (Plugin_manager::claim_file): Set any_claimed_.
4781         (Plugin_manager::save_archive): New function.
4782         (Plugin_manager::save_input_group): New function.
4783         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
4784         necessary.
4785         (Plugin_manager::new_undefined_symbol): New function.
4786         (Plugin_manager::rescan): New function.
4787         (Plugin_manager::rescannable_defines): New function.
4788         (Plugin_manager::add_input_file): Set any_added_.
4789         * plugin.h (class Plugin_manager): define new fields rescannable_,
4790         undefined_symbols_, any_claimed_, and any_added_.  Declare
4791         Plugin_rescan as friend.  Declare new functions.
4792         (Plugin_manager::Rescannable): Define type.
4793         (Plugin_manager::Rescannable_list): Define type.
4794         (Plugin_manager::Undefined_symbol_list): Define type.
4795         (Plugin_manager::Plugin_manager): Initialize new fields.
4796         * archive.cc (Archive::defines_symbol): New function.
4797         (Add_archive_symbols::run): Pass archive to plugins if any.
4798         * archive.h (class Archive): Declare defines_symbol.
4799         * readsyms.cc (Input_group::~Input_group): New function.
4800         (Finish_group::run): Pass input_group to plugins if any.
4801         * readsyms.h (class Input_group): Declare destructor.
4802         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
4803         any.
4804
4805 2011-01-10  Ian Lance Taylor  <iant@google.com>
4806
4807         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
4808         section as relro.
4809         (Layout::set_segment_offsets): Reset increase_relro before calling
4810         set_section_addresses a second time.
4811
4812 2011-01-04  Cary Coutant  <ccoutant@google.com>
4813
4814         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
4815         sections before NOBITS sections.
4816
4817 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
4818
4819         * version.cc (print_version): Update copyright to 2011.
4820
4821 2010-12-23  Cary Coutant  <ccoutant@google.com>
4822
4823         * output.h (Output_data_reloc::add_output_section): Pass OD instead
4824         of OS to this->add.  Add OD parameter to second form of the function.
4825
4826 2010-12-20  Ian Lance Taylor  <iant@google.com>
4827
4828         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
4829         second of two consecutive entries with same offset.
4830
4831 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4832
4833         * testsuite/Makefile.am (ifuncmain2static_LDADD)
4834         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
4835         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
4836         to avoid unneeded links against $(LDADD).
4837         * testsuite/Makefile.in: Regenerate.
4838
4839 2010-12-15  Ian Lance Taylor  <iant@google.com>
4840
4841         PR gold/12324
4842         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
4843         for R_X86_64_32 and R_X86_64_PC32.
4844         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
4845         ver_matching_def_pic.o.
4846         (ver_matching_def_pic.o): New target.
4847
4848 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4849
4850         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
4851         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
4852         Move definition before File_read::View member definitions.
4853         (File_read::View::~View): Initialize and hold lock before
4854         updating current_mapped_bytes.
4855
4856 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4857
4858         * dwarf_reader.cc: Remove outdated comment.
4859         * gold-threads.cc: Fix typo in error message.
4860         * archive.cc: Fix typos in comments.
4861         * archive.h: Likewise.
4862         * arm-reloc-property.cc: Likewise.
4863         * arm-reloc-property.h: Likewise.
4864         * arm-reloc.def: Likewise.
4865         * arm.cc: Likewise.
4866         * attributes.h: Likewise.
4867         * cref.cc: Likewise.
4868         * ehframe.cc: Likewise.
4869         * fileread.h: Likewise.
4870         * gold.h: Likewise.
4871         * i386.cc: Likewise.
4872         * icf.cc: Likewise.
4873         * incremental.h: Likewise.
4874         * int_encoding.cc: Likewise.
4875         * layout.h: Likewise.
4876         * main.cc: Likewise.
4877         * merge.h: Likewise.
4878         * object.cc: Likewise.
4879         * object.h: Likewise.
4880         * options.cc: Likewise.
4881         * readsyms.cc: Likewise.
4882         * reduced_debug_output.cc: Likewise.
4883         * reloc.cc: Likewise.
4884         * script-sections.cc: Likewise.
4885         * sparc.cc: Likewise.
4886         * symtab.h: Likewise.
4887         * target-reloc.h: Likewise.
4888         * target.cc: Likewise.
4889         * target.h: Likewise.
4890         * timer.cc: Likewise.
4891         * timer.h: Likewise.
4892         * x86_64.cc: Likewise.
4893
4894 2010-12-09  Cary Coutant  <ccoutant@google.com>
4895
4896         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
4897         stack.
4898         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
4899         parameter; change all callers.
4900         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
4901         * options.h (warn_execstack): New option.
4902
4903 2010-12-07  Doug Kwan  <dougkwan@google.com>
4904
4905         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
4906         like function call relocations.
4907
4908 2010-12-07  Ian Lance Taylor  <iant@google.com>
4909
4910         * archive.cc (Archive::get_elf_object_for_member): Permit
4911         punconfigured to be NULL.
4912         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
4913         (Archive::include_member): Pass NULL to get_elf_object_for_member
4914         if we searched for the archive and this is the first included
4915         object.
4916
4917 2010-12-01  Ian Lance Taylor  <iant@google.com>
4918
4919         * dwarf_reader.h (class Sized_dwarf_line_info): Add
4920         track_relocs_type_ field.
4921         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4922         Set track_relocs_type_.
4923         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
4924         contents when using RELA relocs.
4925         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
4926         reloc_map_.
4927         * reloc.cc (Track_relocs::next_addend): New function.
4928         * reloc.h (class Track_relocs): Declare next_addend.
4929
4930 2010-12-01  Ian Lance Taylor  <iant@google.com>
4931
4932         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
4933         virtual destructor.
4934
4935 2010-12-01  Ian Lance Taylor  <iant@google.com>
4936
4937         * README: Update compilers known to work and fail.
4938
4939 2010-11-23  Matthias Klose  <doko@ubuntu.com>
4940
4941         * configure.in: For --enable-gold, handle value `default' instead of
4942         `both*'.  Always install ld as ld.bfd, install as ld if gold is
4943         not the default.
4944         * configure: Regenerate.
4945
4946 2010-11-18  Doug Kwan  <dougkwan@google.com>
4947
4948         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
4949         and right_alignment to be zero.  Store result alignment only if it is
4950         greater than existing alignment.
4951
4952 2010-11-16  Cary Coutant  <ccoutant@google.com>
4953
4954         PR gold/12220
4955         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4956         Check for ".zdebug_line".
4957
4958 2010-11-16  Doug Kwan  <dougkwan@google.com>
4959             Cary Coutant  <ccoutant@google.com>
4960
4961         * output.h (Output_segment::set_section_addresses): Pass increase_relro
4962         by reference; adjust all callers.
4963         * output.cc (Output_segment::set_section_addresses): Adjust references
4964         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
4965         list is empty.
4966         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
4967         end at page boundary.
4968
4969 2010-11-16  Cary Coutant  <ccoutant@google.com>
4970
4971         PR gold/12220
4972         * layout.cc (Layout::choose_output_section): Transform names of
4973         compressed sections even when using a script with a SECTIONS clause.
4974         (Layout::output_section_name): Remove code to transform
4975         compressed debug section names.
4976         * output.cc (Output_section::add_input_section): Use uncompressed
4977         section size when tracking input sections.
4978
4979 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
4980
4981         * symtab.h (Symbol::NON_PIC_REF): Remove.
4982         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
4983         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
4984         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
4985         (Symbol::use_plt_offset): Take a flags argument and pass it
4986         directly to needs_dynamic_reloc.  Restrict check for undefined
4987         weak symbols to function calls.
4988         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
4989         (Target_arm::Scan::global): Use it.
4990         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
4991         (Target_arm::Relocate::relocate): Likewise.
4992         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
4993         parameter with an r_type parameter.  Use get_reference_flags
4994         to get the flags.
4995         (Target_arm::Relocate::relocate): Update accordingly.
4996         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
4997         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
4998         (Target_i386::Scan::global): Likewise.
4999         (Target_i386::Relocate::relocate): Likewise.
5000         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
5001         parameter with an r_type parameter.  Use get_reference_flags
5002         to get the flags.
5003         (Target_i386::Relocate::relocate): Update accordingly.
5004         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
5005         (Target_powerpc::Scan::global): Use it.
5006         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
5007         (Target_powerpc::Relocate::relocate): Likewise.
5008         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
5009         (Target_sparc::Scan::global): Use it.
5010         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
5011         (Target_sparc::Relocate::relocate): Likewise.
5012         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
5013         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
5014         (Target_x86_64::Scan::global): Likewise.
5015         (Target_x86_64::Relocate::relocate): Likewise.
5016
5017 2010-11-08  Doug Kwan  <dougkwan@google.com>
5018             Cary Coutant  <ccoutant@google.com>
5019
5020         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
5021         (Arm_exidx_merge_section::section_contents_): New data member.
5022         (Arm_input_section::Arm_input_section): Initialize original_contents_.
5023         (Arm_input_section::~Arm_input_section): De-allocate memory.
5024         (Arm_input_section::original_contents_): New data member.
5025         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
5026         in parameters instead of calling Object::section_contents without
5027         locking.
5028         (Arm_output_section::group_section): New parameter TASK.  Pass it
5029         to callees that need locking objects.
5030         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
5031         to lock EXIDX input sections.  Fix a formatting issue.  Call
5032         Arm_exidx_merged_section::build_contents to create merged section
5033         contents.
5034         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
5035         to lock object of stub table owner.
5036         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
5037         TEXT_SIZE to initialize data member TEXT_SIZE_.
5038         (Arm_exidx_input_section::addralign): Fix typo in comment.
5039         (Arm_exidx_input_section::text_size): New method.
5040         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
5041         that require locking objects.  Lock objects before scanning for stubs
5042         and updating local symbols.
5043         (Arm_input_section<big_endian>::init): Copy contents of original
5044         input section.
5045         (Arm_input_section<big_endian>::do_write): Use saved contents of
5046         original input section instead of calling Object::section_contents
5047         without locking.
5048         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
5049         size without calling Object::section_size().
5050         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
5051         for size.  Allocate a buffer for merged EXIDX entries.
5052         (Arm_exidx_merged_section::build_contents): New method.
5053         (Arm_exidx_merged_section::do_write): Move merge section contents
5054         building code to Arm_exidx_merged_section::build_contetns.  Write
5055         out contetns in buffer instead of building it on the fly.
5056         (Arm_relobj::make_exidx_input_section): Also pass text section size
5057         to Arm_exidx_input_section constructor.
5058         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
5059         (Arm_dynobj::do_read_symbols): Fix memory leak.
5060         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
5061         * target.h: (class Task): Add forward declaration.
5062         (Target::relax): Add new parameter TASK and pass it to
5063         Target::do_relax().
5064         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
5065
5066 2010-11-05  Cary Coutant  <ccoutant@google.com>
5067
5068         PR gold/10708
5069         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
5070         object when reading from the file.
5071         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
5072         second layout pass.
5073         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
5074         when reading section contents.
5075         (get_section_contents): Likewise.
5076         (icf::find_identical_sections): Likewise.
5077         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
5078         object when reading from the file.
5079         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
5080         the object when doing deferred section layout.
5081
5082 2010-11-03  Nick Clifton  <nickc@redhat.com>
5083
5084         PR gold/12001
5085         * script.h (class Symbol_assignment: name): New member.  Returns
5086         the name of the symbol.
5087         * scrfipt.cc (Script_options::is_pending_assignment): New member.
5088         Returns true if the given symbol name is on the list of
5089         assignments wating to be processed.
5090         * archive.cc (should_incldue_member): If the symbol is undefined,
5091         check to see if it is on the list of symbols pending assignment.
5092
5093 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
5094
5095         * script-sections.cc (Script_sections::find_memory_region): Check
5096         for a NULL output section pointer.
5097
5098 2010-10-29  Doug Kwan  <dougkwan@google.com>
5099
5100         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
5101         Output_section::add_relaxed_input_section.
5102         * output.cc (Output_section::add_relaxed_input_section): Add new
5103         arguments LAYOUT and NAME.  Set section order index.
5104         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5105         Copy section order index.
5106         * output.h (Output_section::add_relaxed_input_section): Add new
5107         arguments LAYOUT and NAME.
5108
5109 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5110
5111         * testsuite/Makefile.am: Move gcctestdir/ld rule to
5112         NATIVE_OR_CROSS_LINKER.
5113         * testsuite/Makefile.in: Regenerate.
5114
5115 2010-10-20  Doug Kwan  <dougkwan@google.com>
5116
5117         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
5118         without SHF_LINK_ORDER flags.
5119         * layout.cc (Layout::choose_output_section): Do not filter
5120         SHF_LINK_ORDER flag in a relocatable link.
5121
5122 2010-10-17  Cary Coutant  <ccoutant@google.com>
5123
5124         * output.h (Output_segment::set_section_addresses): Change function
5125         signature.  Update all callers.
5126         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
5127         sections.
5128         (Output_segment::set_section_addresses): Align after last TLS
5129         section.  Add padding before last relro section instead of after.
5130
5131 2010-10-17  Doug Kwan  <dougkwan@google.com>
5132
5133         * gold/arm.cc (Target_arm::got_section): Use correct order and set
5134         GOT output section to be writable.
5135
5136 2010-10-14  Cary Coutant  <ccoutant@google.com>
5137
5138         * debug.h (DEBUG_INCREMENTAL): New flag.
5139         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
5140         * gold.cc (queue_initial_tasks): Check parameters for incremental link
5141         mode.
5142         * incremental.cc (report_command_line): Ignore all forms of
5143         --incremental.
5144         * layout.cc (Layout::Layout): Check parameters for incremental link
5145         mode.
5146         * options.cc (General_options::parse_incremental): New function.
5147         (General_options::parse_no_incremental): New function.
5148         (General_options::parse_incremental_full): New function.
5149         (General_options::parse_incremental_update): New function.
5150         (General_options::incremental_mode_): New data member.
5151         (General_options::finalize): Check incremental_mode_.
5152         * options.h (General_options): Update help text for --incremental.
5153         Add --no-incremental, --incremental-full, --incremental-update.
5154         (General_options::Incremental_mode): New enum type.
5155         (General_options::incremental_mode): New function.
5156         (General_options::incremental_mode_): New data member.
5157         * parameters.cc (Parameters::incremental_mode_): New data member.
5158         (Parameters::set_options): Set incremental_mode_.
5159         (Parameters::set_incremental_full): New function.
5160         (Parameters::incremental): New function.
5161         (Parameters::incremental_update): New function.
5162         (set_parameters_incremental_full): New function.
5163         * parameters.h (Parameters::set_incremental_full): New function.
5164         (Parameters::incremental): New function.
5165         (Parameters::incremental_update): New function.
5166         (Parameters::incremental_mode_): New data member.
5167         (set_parameters_incremental_full): New function.
5168         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
5169         incremental link mode.
5170         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
5171         (Sized_relobj::do_relocate_sections): Likewise.
5172         * testsuite/Makefile.am (incremental_test): Use --incremental-full
5173         option.
5174         * testsuite/Makefile.in: Regenerate.
5175         * testsuite/incremental_test.sh: Filter all forms of --incremental.
5176
5177 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5178
5179         * script-sections.h (class Script_sections): Make
5180         Sections_elements typedef public.
5181         * script-sections.cc (class Sort_output_sections): Add elements_
5182         field.  Add constructor which sets it; change all callers.
5183         (Sort_output_sections::is_before): New function.
5184         (Sort_output_sections::operator()): Call is_before.
5185         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
5186         conditional.
5187         * testsuite/script_test_10.sh: New test. Test script section
5188         order.
5189         * testsuite/script_test_10.t: Likewise.
5190         * testsuite/script_test_10.s: Likewise.
5191         * testsuite/Makefile.am: Wrap the cross linker tests and the
5192         common tests into NATIVE_OR_CROSS_LINKER.
5193         (check_SCRIPTS): Add script_test_10.sh.
5194         (check_DATA): Add script_test_10.stdout.
5195         (script_test_10.o, script_test_10): New targets.
5196         (script_test_10.stdout): New target.
5197         * configure, testsuite/Makefile.in: Regenerate.
5198
5199 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5200
5201         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
5202         error for the deprecated relocations.
5203         (Target_arm::Scan::global): Likewise.
5204         (Target_arm::Relocate::relocate): Likewise.
5205
5206 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
5207
5208         * fileread.cc (Input_file::find_file): Initialize *found_name
5209         and *namep when using the fallback search for case 4.
5210
5211 2010-10-11  Cary Coutant  <ccoutant@google.com>
5212
5213         * options.h (class General_options): Redefine -z lazy as an alias for
5214         the negation of -z now.
5215
5216 2010-10-11  Ian Lance Taylor  <iant@google.com>
5217
5218         * resolve.cc (symbol_to_bits): Report the value of the unsupported
5219         binding.
5220
5221 2010-10-06  Nick Clifton  <nickc@redhat.com>
5222
5223         * script-sections.cc(class Memory_region): Remove
5224         current_lma_offset_ field.  Rename current_vma_offset_ to
5225         current_offset_.  Add last_section_ field.
5226         (Memory_region::get_current_vma_address): Rename to
5227         get_current_address.
5228         (Memory_region::get_current_lma_address): Delete.
5229         (Memory_region::increment_vma_offset): Rename to
5230         increment_offset.
5231         (Memory_region::increment_lma_offset): Delete.
5232         (Memory_region::attributes_compatible): New method.  Returns
5233         true if the provided section is compatible with the region.
5234         (Memory_region::get_last_section): New method.  Returns the last
5235         section to use the region.
5236         (Memory_region::set_last_section): New method.  Stores the last
5237         section to use the region.
5238         (Script_sections::block_in_region): New method.  Returns true if
5239         a block of memory is contained within a region.
5240         (Script_sections::find_memory_region): New method.  Locates a
5241         memory region to be used to set a VMA or LMA address.
5242         (Output_section_definition::set_section_addresses): Add code to
5243         check for addresses set by memory regions.
5244         (Output_segment::set_section_addresses): Remove memory region
5245         walking code.
5246         (Script_sections::create_segment): Add a warning if a header
5247         segment is created outside of any region.
5248         * script-sections.h (class Script_sections): Add prototypes for
5249         find_memory_region and block_in_region methods.
5250         * testsuite/memory_test.s: Use .long instead of .word.
5251         * testsuite/memory_test.t: Add some more output sections.
5252         * testsuite/memory_test.sh: Update expected output.
5253
5254 2010-10-02  Doug Kwan  <dougkwan@google.com>
5255
5256         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
5257         defintion to symtab.h
5258         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
5259         declaration to defintion.
5260
5261 2010-10-01  Nick Clifton  <nickc@redhat.com>
5262
5263         * expression.cc (eval): Replace dummy argument with NULL.
5264         (eval_maybe_dot): Check for a NULL result section pointer.
5265         (Symbol_expression::value): Likewise.
5266         (Dot_expression::value): Likewise.
5267         (BINARY_EXPRESSION): Likewise.
5268         (Max_expression::value): Likewise.
5269         (Min_expression::value): Likewise.
5270         (Absolute_expression::value): Likewise.
5271         (Addr_expression::value_from_output_section): Likewise.
5272         (Loaddddr_expression::value_from_output_section): Likewise.
5273         (Segment_start_expression::value): Likewise.
5274         * script-sections.cc
5275         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
5276         argument with NULL.
5277         (Sections_elememt_dot_assignment::set_section_addresses):
5278         Likewise.
5279         (Output_data_expression::do_write_to_buffer): Likewise.
5280         (Output_section_definition::finalize_symbols): Likewise.
5281         (Output_section_definition::set_section_addresses): Likewise.
5282
5283 2010-09-30  Doug Kwan  <dougkwan@google.com>
5284
5285         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
5286
5287 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
5288
5289         * target.h (Target::can_icf_inline_merge_sections): New virtual
5290         function.
5291         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
5292         virtual function.
5293         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
5294         virtual function.
5295         * icf.cc (get_section_contents): Inline merge sections only when
5296         target allows it.
5297
5298 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5299
5300         * configure: Regenerate.
5301
5302 2010-09-17  Ian Lance Taylor  <iant@google.com>
5303
5304         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
5305         * testsuite/Makefile.am (memory_test.o): New target.
5306         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
5307         memory_test.t.
5308         * testsuite/Makefile.in: Rebuild.
5309
5310 2010-09-17  Doug Kwan  <dougkwan@google.com>
5311
5312         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
5313         defintion if relocation uses GOT entries of the symbol.
5314         * testsuite/icf_safe_test.sh: Fix test.
5315         * testsuite/icf_safe_so_test.sh: Fix test.
5316
5317 2010-09-16  Cary Coutant  <ccoutant@google.com>
5318
5319         * script_sections.cc (class Memory_region): Remove "NULL" from
5320         vector initializations.
5321
5322 2010-09-15  Cary Coutant  <ccoutant@google.com>
5323
5324         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
5325         Resolve forwarding symbols.
5326
5327 2010-09-15  Doug Kwan  <dougkwan@google.com>
5328
5329         * gold/testsuite/script_test_3.t: Add ARM special sections.
5330         * gold/testsuite/script_test_4.t: Same.
5331         * gold/testsuite/script_test_5.t: Same.
5332         * gold/testsuite/script_test_6.t: Same.
5333         * gold/testsuite/script_test_7.t: Same.
5334         * gold/testsuite/script_test_7.t: Same.
5335         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
5336
5337 2010-09-14  Cary Coutant  <ccoutant@google.com>
5338
5339         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
5340         (Target_x86_64::Relocate::relocate_tls): Replace check for
5341         saw_tls_block_reloc_ with test for executable section.
5342
5343 2010-09-12  Cary Coutant  <ccoutant@google.com>
5344
5345         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
5346         position-independent executables to shared libraries need dynamic
5347         relocations.
5348         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
5349         position-independent executables.
5350         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
5351         * testsuite/Makefile.in: Regenerate.
5352
5353 2010-09-10  Nick Clifton  <nickc@redhat.com>
5354
5355         PR gold/11997
5356         * testsuite/memory_test.t: Discard any sections that are not
5357         needed.
5358
5359 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
5360
5361         PR gold/11996
5362         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
5363         "This::" to work around a bug in gcc 4.2.
5364
5365         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
5366
5367 2010-09-09  Rafael Espindola  <espindola@google.com>
5368
5369         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
5370         sections with different PF_X flags in the same segment.
5371         (Layout::find_first_load_seg): Search all segments to find the first
5372         one.
5373         * options.h (rosegment): New.
5374
5375 2010-09-08  Rafael Espindola  <espindola@google.com>
5376
5377         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
5378
5379 2010-09-08  Doug Kwan  <dougkwan@google.com>
5380
5381         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
5382         (Arm_relobj::do_relocate_sections): Add new parameter for output
5383         file to match the parent.
5384         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
5385         of local symbols instead of input values.  Update code to track
5386         changes in gold::relocate_section.
5387         * object.cc (Sized_relobj::compute_final_local_value): New methods.
5388         (Sized_relobj::compute_final_local_value_internal): New methods.
5389         (Sized_relobj::do_finalize_local_symbols): Move code from loop
5390         body into private version of Sized_relobj::compute_final_local_value.
5391         Call the inline method.
5392         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
5393         merged symbol value if there is one.
5394         (Symbol_value::has_output_value): New method defintiion.
5395         (Sized_relobj::Compute_final_local_value_status): New enum type.
5396         (Sized_relobj::compute_final_local_value): New methods.
5397         (Sized_relobj::compute_final_local_value_internal): New methods.
5398         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
5399         and arm_cortex_a8.sh.
5400         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
5401         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
5402         New tests.
5403         * Makefile.in: Regenerate.
5404         * testsuite/arm_bl_out_of_range.s: Update test.
5405         * testsuite/thumb_bl_out_of_range.s: Ditto.
5406         * testsuite/thumb_blx_out_of_range.s: Ditto.
5407         * testsuite/arm_branch_out_of_range.sh: New file.
5408         * testsuite/arm_cortex_a8.sh: Ditto.
5409         * testsuite/arm_cortex_a8_b.s: Ditto.
5410         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
5411         * testsuite/arm_cortex_a8_b_local.s: Ditto.
5412         * testsuite/arm_cortex_a8_bl.s: Ditto.
5413         * testsuite/arm_cortex_a8_blx.s: Ditto.
5414         * testsuite/arm_cortex_a8_local.s: Ditto.
5415         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
5416         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
5417
5418 2010-09-08  Rafael Espindola  <espindola@google.com>
5419
5420         * Makefile.am (memory_test.stdout): Run readelf with -W.
5421         * Makefile.in: Regenerate.
5422         * testsuite/memory_test.sh: Make the regexps accept both 32 and
5423         64 bit output.
5424
5425 2010-09-08  Rafael Espindola  <espindola@google.com>
5426
5427         * script-sections.cc (Script_sections::add_memory_region): Convert
5428         field precision to int.
5429         * script.cc (script_set_section_region, script_set_section_region):
5430         Convert field precision to int.
5431
5432 2010-09-08  Rafael Espindola  <espindola@google.com>
5433
5434         * arm.cc (do_finalize_sections): Create the __exidx_start and
5435         __exdix_end symbols even when the section is missing.
5436
5437 2010-09-08  Nick Clifton  <nickc@redhat.com>
5438
5439         * README: Remove claim that MEMORY is not supported.
5440         * expression.cc (script_exp_function_origin)
5441         (script_exp_function_length): Move from here to ...
5442         * script.cc: ... here.
5443         (script_set_section_region, script_add_memory)
5444         (script_parse_memory_attr, script_include_directive): New
5445         functions.
5446         * script-sections.cc
5447         (class Memory_region): New class.
5448         (class Output_section_definition): Add set_memory_region,
5449         set_section_vma, set_section_lma and get_section_name methods.
5450         (class Script_Sections): Add add_memory_region,
5451         find_memory_region, find_memory_region_origin,
5452         find_memory_region_length and set_memory_region methods.
5453         Have set_section_addresses method walk the list of set memory
5454         regions.
5455         Extend the print methos to display memory regions.
5456         * script-sections.h: Add prototypes for new methods.
5457         Add enum for MEMORY region attributes.
5458         * yyscript.y: Add support for parsing MEMORY regions.
5459         * script-c.h: Add prototypes for new functions.
5460         * testsuite/Makefile.am: Add test of MEMORY region functionality.
5461         * testsuite/Makefile.in: Regenerate.
5462         * testsuite/memory_test.sh: New script.
5463         * testsuite/memory_test.s: New assembler source file.
5464         * testsuite/memory_test.t: New linker script.
5465
5466 2010-08-27  Doug Kwan  <dougkwan@google.com>
5467
5468         * gold/resolve.cc (Symbol_table::should_override): Let a weak
5469         reference override an existing dynamic weak reference.
5470         * testsuite/Makefile.am: Add new test dyn_weak_ref.
5471         * testsuite/Makefile.in: Regenerate.
5472         * testsuite/dyn_weak_ref.sh: New file.
5473         * testsuite/dyn_weak_ref_1.c: Ditto.
5474         * testsuite/dyn_weak_ref_2.c: Ditto.
5475
5476 2010-08-27  Ian Lance Taylor  <iant@google.com>
5477
5478         * incremental.h (class Incremental_input_entry): Add virtual
5479         destructor.
5480
5481 2010-08-27  Ian Lance Taylor  <iant@google.com>
5482
5483         * testsuite/start_lib_test_3.c: Mark t3 as used.
5484
5485 2010-08-27  Nick Clifton  <nickc@redhat.com>
5486
5487         * options.cc (version_script): Fix small typo in previous
5488         whitespace tidyup.
5489
5490 2010-08-25  Nick Clifton  <nickc@redhat.com>
5491
5492         * archive.cc: Formatting fixes: Remove whitespace between
5493         typename and following asterisk.  Remove whitespace between
5494         function name and opening parenthesis.
5495         * archive.h: Likewise.
5496         * arm.cc: Likewise.
5497         * attributes.cc: Likewise.
5498         * attributes.h: Likewise.
5499         * common.cc: Likewise.
5500         * copy-relocs.cc: Likewise.
5501         * dirsearch.h: Likewise.
5502         * dynobj.cc: Likewise.
5503         * ehframe.cc: Likewise.
5504         * ehframe.h: Likewise.
5505         * expression.cc: Likewise.
5506         * fileread.cc: Likewise.
5507         * fileread.h: Likewise.
5508         * gc.h: Likewise.
5509         * gold-threads.cc: Likewise.
5510         * gold.cc: Likewise.
5511         * i386.cc: Likewise.
5512         * icf.h: Likewise.
5513         * incremental-dump.cc: Likewise.
5514         * incremental.cc: Likewise.
5515         * layout.cc: Likewise.
5516         * layout.h: Likewise.
5517         * main.cc: Likewise.
5518         * merge.cc: Likewise.
5519         * merge.h: Likewise.
5520         * object.cc: Likewise.
5521         * object.h: Likewise.
5522         * options.cc: Likewise.
5523         * options.h: Likewise.
5524         * output.cc: Likewise.
5525         * output.h: Likewise.
5526         * plugin.cc: Likewise.
5527         * plugin.h: Likewise.
5528         * powerpc.cc: Likewise.
5529         * reloc.cc: Likewise.
5530         * script-c.h: Likewise.
5531         * script-sections.cc: Likewise.
5532         * script.cc: Likewise.
5533         * stringpool.cc: Likewise.
5534         * symtab.cc: Likewise.
5535         * symtab.h: Likewise.
5536         * target.cc: Likewise.
5537         * timer.cc: Likewise.
5538         * timer.h: Likewise.
5539         * version.cc: Likewise.
5540         * x86_64.cc: Likewise.
5541
5542 2010-08-24  Nick Clifton  <nickc@redhat.com>
5543
5544         PR 11899
5545         * layout.cc (segment_precedes): Sort segments by their physical
5546         addresses, if they have been set.
5547
5548 2010-08-23  Cary Coutant  <ccoutant@google.com>
5549
5550         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
5551         symbols data.
5552         (Lib_group::include_member): Unlock object after deleting its
5553         symbols data.
5554         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
5555         the bug fixed here.
5556
5557 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
5558             Cary Coutant  <ccoutant@google.com>
5559
5560         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
5561         constructor, and set_blocker.
5562         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
5563         readsyms_blocker_.
5564         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
5565         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
5566         * testsuite/Makefile.am (start_lib_test): New test case.
5567         * testsuite/Makefile.in: Regenerate.
5568         * testsuite/start_lib_test_main.c: New file.
5569         * testsuite/start_lib_test_1.c: New file.
5570         * testsuite/start_lib_test_2.c: New file.
5571         * testsuite/start_lib_test_3.c: New file.
5572
5573 2010-08-19  Ian Lance Taylor  <iant@google.com>
5574
5575         * Makefile.in: Rebuild with automake 1.11.1.
5576         * aclocal.m4: Likewise.
5577         * testsuite/Makefile.in: Likewise.
5578
5579 2010-08-19  Ian Lance Taylor  <iant@google.com>
5580
5581         PR 10893
5582         * i386.cc (class Output_data_plt_i386): Update declarations.
5583         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
5584         local_ifuncs_ fields.
5585         (Target_i386::do_plt_section_for_global): New function.
5586         (Target_i386::do_plt_section_for_local): New function.
5587         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
5588         parameter; change all callers.  Initialize global_ifuncs_ and
5589         local_ifuncs_.  If doing a static link define __rel_iplt_start and
5590         __rel_iplt_end.
5591         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
5592         (Output_data_plt_i386::add_local_ifunc_entry): New function.
5593         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
5594         symbols.
5595         (Target_i386::make_plt_section): New function, broken out of
5596         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
5597         (Target_i386::make_plt_entry): Call make_plt_section.
5598         (Target_i386::make_local_ifunc_plt_entry): New function.
5599         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
5600         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
5601         R_386_IRELATIVE to switch.
5602         (Target_i386::Scan::global): Likewise.
5603         (Target_i386::Relocate::relocate): Likewise.
5604         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
5605         switch.
5606         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
5607         (Target_x86_64::do_plt_section_for_global): New function.
5608         (Target_x86_64::do_plt_section_for_local): New function.
5609         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
5610         parameter; change all callers.  If doing a static link define
5611         __rela_iplt_start and __rela_iplt_end.
5612         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
5613         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
5614         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
5615         to point to .plt.
5616         (Target_x86_64::make_local_ifunc_plt_entry): New function.
5617         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
5618         switch.
5619         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
5620         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
5621         R_X86_64_IRELATIVE to switch.
5622         (Target_x86_64::Scan::global): Likewise.
5623         (Target_x86_64::Relocate::relocate): Likewise.
5624         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
5625         switch.
5626         * target.h (class Target): Add plt_section_for_global and
5627         plt_section_for_local functions.  Add do_plt_section_for_global
5628         and do_plt_section_for_local virtual functions.
5629         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
5630         clarifying comments.
5631         (Symbol::use_plt_offset): Handle IFUNC symbol.
5632         * object.cc (Sized_relobj::Sized_relobj): Initialize
5633         local_plt_offsets_.
5634         (Sized_relobj::local_has_plt_offset): New function.
5635         (Sized_relobj::local_plt_offset): New function.
5636         (Sized_relobj::set_local_plt_offset): New function.
5637         (Sized_relobj::do_count): Handle IFUNC symbol.
5638         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
5639         a bit away from input_shndx_ field.  Add set_is_func_symbol and
5640         is_ifunc_symbol functions.
5641         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
5642         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
5643         local_plt_offsets_ field.
5644         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
5645         * output.h (class Output_section_data): Add non-const
5646         output_section function.
5647         (class Output_data_got): Update declarations.
5648         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
5649         Add use_plt_offset parameter to global and local constructors.
5650         Change all callers.  Change local_sym_index_ field to 31 bits.
5651         Change GSYM_CODE and CONSTANT_CODE accordingly.
5652         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
5653         doing a static link don't set sh_link field.
5654         (Output_data_got::Got_entry::write): Use PLT offset if
5655         appropriate.
5656         (Output_data_got::add_global_plt): New function.
5657         (Output_data_got::add_local_plt): New function.
5658         * target-reloc.h (relocate_section): Handle IFUNC symbol.
5659         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
5660         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
5661         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
5662         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
5663         IFUNC conditional.
5664         * testsuite/ifunc-sel.h: New file.
5665         * testsuite/ifuncmain1.c: New file.
5666         * testsuite/ifuncmain1vis.c: New file.
5667         * testsuite/ifuncmod1.c: New file.
5668         * testsuite/ifuncdep2.c: New file.
5669         * testsuite/ifuncmain2.c: New file.
5670         * testsuite/ifuncmain3.c: New file.
5671         * testsuite/ifuncmod3.c: New file.
5672         * testsuite/ifuncmain4.c: New file.
5673         * testsuite/ifuncmain5.c: New file.
5674         * testsuite/ifuncmod5.c: New file.
5675         * testsuite/ifuncmain6pie.c: New file.
5676         * testsuite/ifuncmod6.c: New file.
5677         * testsuite/ifuncmain7.c: New file.
5678         * configure, testsuite/Makefile.in: Rebuild.
5679
5680 2010-08-18  Ian Lance Taylor  <iant@google.com>
5681
5682         * incremental.cc
5683         (Output_section_incremental_inputs::write_input_files): Add cast
5684         to avoid signed/unsigned comparison warning.
5685         (Output_section_incremental_inputs::write_info_blocks): Likewise.
5686
5687 2010-08-12  Cary Coutant  <ccoutant@google.com>
5688
5689         * common.cc (Sort_commons::operator()): Remove unnecessary code.
5690
5691 2010-08-13  Ian Lance Taylor  <iant@google.com>
5692
5693         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
5694
5695 2010-08-12  Cary Coutant  <ccoutant@google.com>
5696             Doug Kwan  <dougkwan@google.com>
5697
5698         * resolve.cc (Symbol_table::should_override): When a weak dynamic
5699         defintion overrides non-weak undef, remember that the original undef
5700         is not weak.
5701         * symtab.cc (Symbol_table::sized_write_global): For undef without
5702         an original weak binding, set binding to global in output.
5703         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
5704         * testsuite/Makefile.in: Regenerate.
5705         * testsuite/strong_ref_weak_def.sh: New file.
5706         * testsuite/strong_ref_weak_def_1.c: Ditto.
5707         * testsuite/strong_ref_weak_def_2.c: Ditto.
5708
5709 2010-08-12  Cary Coutant  <ccoutant@google.com>
5710
5711         * testsuite/incremental_test.sh: Rewrite.
5712         * testsuite/incremental_test_1.c: Rewrite.
5713         * testsuite/incremental_test_2.c: Rewrite.
5714
5715 2010-08-12  Cary Coutant  <ccoutant@google.com>
5716
5717         * arm.cc (Target_arm::got_size): Add const.
5718         (Target_arm::got_entry_count): New function.
5719         (Target_arm::plt_entry_count): New function.
5720         (Target_arm::first_plt_entry_offset): New function.
5721         (Target_arm::plt_entry_size): New function.
5722         (Output_data_plt_arm::entry_count): New function.
5723         (Output_data_plt_arm::first_plt_entry_offset): New function.
5724         (Output_data_plt_arm::get_plt_entry_size): New function.
5725         * i386.cc (Target_i386::got_size): Add const.
5726         (Target_i386::got_entry_count): New function.
5727         (Target_i386::plt_entry_count): New function.
5728         (Target_i386::first_plt_entry_offset): New function.
5729         (Target_i386::plt_entry_size): New function.
5730         (Output_data_plt_i386::entry_count): New function.
5731         (Output_data_plt_i386::first_plt_entry_offset): New function.
5732         (Output_data_plt_i386::get_plt_entry_size): New function.
5733         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
5734         find_incremental_inputs_sections.  Dump incremental_got_plt section.
5735         * incremental.cc: Include target.h.
5736         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
5737         parameter.  Adjust all callers.  Find incremental_got_plt section.
5738         (Incremental_inputs::create_data_sections): Create incremental_got_plt
5739         section.
5740         (Output_section_incremental_inputs::set_final_data_size): Calculate
5741         size of incremental_got_plt section.
5742         (Output_section_incremental_inputs::do_write): Write the
5743         incremental_got_plt section.
5744         (Got_plt_view_info): New struct.
5745         (Local_got_offset_visitor): New class.
5746         (Global_got_offset_visitor): New class.
5747         (Global_symbol_visitor_got_plt): New class.
5748         (Output_section_incremental_inputs::write_got_plt): New function.
5749         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
5750         Add parameter.  Adjust all callers.
5751         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5752         (Incremental_inputs::got_plt_section): New function.
5753         (Incremental_inputs::got_plt_section_): New data member.
5754         (Incremental_got_plt_reader): New class.
5755         * layout.cc (Layout::create_incremental_info_sections): Add the
5756         incremental_got_plt section.
5757         * object.h (Got_offset_list::get_list): New function.
5758         (Got offset_list::for_all_got_offsets): New function.
5759         (Sized_relobj::local_got_offset_list): New function.
5760         * powerpc.cc (Target_powerpc::got_size): Add const.
5761         (Target_powerpc::got_entry_count): New function.
5762         (Target_powerpc::plt_entry_count): New function.
5763         (Target_powerpc::first_plt_entry_offset): New function.
5764         (Target_powerpc::plt_entry_size): New function.
5765         (Output_data_plt_powerpc::entry_count): New function.
5766         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
5767         (Output_data_plt_powerpc::get_plt_entry_size): New function.
5768         * sparc.cc (Target_sparc::got_size): Add const.
5769         (Target_sparc::got_entry_count): New function.
5770         (Target_sparc::plt_entry_count): New function.
5771         (Target_sparc::first_plt_entry_offset): New function.
5772         (Target_sparc::plt_entry_size): New function.
5773         (Output_data_plt_sparc::entry_count): New function.
5774         (Output_data_plt_sparc::first_plt_entry_offset): New function.
5775         (Output_data_plt_sparc::get_plt_entry_size): New function.
5776         * symtab.h (Symbol::got_offset_list): New function.
5777         (Symbol_table::for_all_symbols): New function.
5778         * target.h (Sized_target::got_entry_count): New function.
5779         (Sized_target::plt_entry_count): New function.
5780         (Sized_target::plt_entry_size): New function.
5781         * x86_64.cc (Target_x86_64::got_size): Add const.
5782         (Target_x86_64::got_entry_count): New function.
5783         (Target_x86_64::plt_entry_count): New function.
5784         (Target_x86_64::first_plt_entry_offset): New function.
5785         (Target_x86_64::plt_entry_size): New function.
5786         (Output_data_plt_x86_64::entry_count): New function.
5787         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
5788         (Output_data_plt_x86_64::get_plt_entry_size): New function.
5789
5790 2010-08-12  Cary Coutant  <ccoutant@google.com>
5791
5792         * archive.cc: Include incremental.h.
5793         (Archive::Archive): Initialize incremental_info_.
5794         (Archive::include_member): Record archive members in incremental info.
5795         (Add_archive_symbols::run): Record begin and end of an archive in
5796         incremental info.
5797         (Lib_group::include_member): Record objects in incremental info.
5798         * archive.h (Incremental_archive_entry): Forward declaration.
5799         (Archive::set_incremental_info): New member function.
5800         (Archive::incremental_info): New member function.
5801         (Archive::Unused_symbol_iterator): New class.
5802         (Archive::unused_symbols_begin): New member function.
5803         (Archive::unused_symbols_end): New member function.
5804         (Archive::incremental_info_): New data member.
5805         * incremental-dump.cc (find_input_containing_global): New function.
5806         (dump_incremental_inputs): Dump new incremental info sections.
5807         * incremental.cc: Include symtab.h.
5808         (Output_section_incremental_inputs): New class.
5809         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
5810         new incremental info sections.
5811         (Sized_incremental_binary::do_check_inputs): Likewise.
5812         (Incremental_inputs::report_archive): Remove.
5813         (Incremental_inputs::report_archive_begin): New function.
5814         (Incremental_inputs::report_archive_end): New function.
5815         (Incremental_inputs::report_object): New function.
5816         (Incremental_inputs::finalize_inputs): Remove.
5817         (Incremental_inputs::report_input_section): New function.
5818         (Incremental_inputs::report_script): Rewrite.
5819         (Incremental_inputs::finalize): Do nothing but finalize string table.
5820         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5821         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5822         (Incremental_inputs::create_data_sections): New function.
5823         (Incremental_inputs::relocs_entsize): New function.
5824         (Output_section_incremental_inputs::set_final_data_size): New function.
5825         (Output_section_incremental_inputs::do_write): New function.
5826         (Output_section_incremental_inputs::write_header): New function.
5827         (Output_section_incremental_inputs::write_input_files): New function.
5828         (Output_section_incremental_inputs::write_info_blocks): New function.
5829         (Output_section_incremental_inputs::write_symtab): New function.
5830         * incremental.h (Incremental_script_entry): Forward declaration.
5831         (Incremental_object_entry): Forward declaration.
5832         (Incremental_archive_entry): Forward declaration.
5833         (Incremental_inputs): Forward declaration.
5834         (Incremental_inputs_header_data): Remove.
5835         (Incremental_inputs_header): Remove.
5836         (Incremental_inputs_header_write): Remove.
5837         (Incremental_inputs_entry_data): Remove.
5838         (Incremental_inputs_entry): Remove.
5839         (Incremental_inputs_entry_write): Remove.
5840         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
5841         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
5842         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
5843         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
5844         Likewise.
5845         (Incremental_input_entry): New class.
5846         (Incremental_script_entry): New class.
5847         (Incremental_object_entry): New class.
5848         (Incremental_archive_entry): New class.
5849         (Incremental_inputs::Incremental_inputs): Initialize new data members.
5850         (Incremental_inputs::report_inputs): Remove.
5851         (Incremental_inputs::report_archive): Remove.
5852         (Incremental_inputs::report_archive_begin): New function.
5853         (Incremental_inputs::report_archive_end): New function.
5854         (Incremental_inputs::report_object): Change prototype.
5855         (Incremental_inputs::report_input_section): New function.
5856         (Incremental_inputs::report_script): Change prototype.
5857         (Incremental_inputs::get_reloc_count): New function.
5858         (Incremental_inputs::set_reloc_count): New function.
5859         (Incremental_inputs::create_data_sections): New function.
5860         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
5861         (Incremental_inputs::inputs_section): New function.
5862         (Incremental_inputs::symtab_section): New function.
5863         (Incremental_inputs::relocs_section): New function.
5864         (Incremental_inputs::get_stringpool): Add const.
5865         (Incremental_inputs::command_line): Add const.
5866         (Incremental_inputs::inputs): Remove.
5867         (Incremental_inputs::command_line_key): New function.
5868         (Incremental_inputs::input_file_count): New function.
5869         (Incremental_inputs::input_files): New function.
5870         (Incremental_inputs::relocs_entsize): New function.
5871         (Incremental_inputs::sized_create_inputs_section_data): Remove.
5872         (Incremental_inputs::finalize_inputs): Remove.
5873         (Incremental_inputs::Input_info): Remove.
5874         (Incremental_inputs::lock_): Remove.
5875         (Incremental_inputs::inputs_): Change type.
5876         (Incremental_inputs::inputs_map_): Remove.
5877         (Incremental_inputs::current_object_entry_): New data member.
5878         (Incremental_inputs::inputs_section_): New data member.
5879         (Incremental_inputs::symtab_section_): New data member.
5880         (Incremental_inputs::relocs_section_): New data member.
5881         (Incremental_inputs::reloc_count_): New data member.
5882         (Incremental_inputs_reader): New class.
5883         (Incremental_symtab_reader): New class.
5884         (Incremental_relocs_reader): New class.
5885         * layout.cc (Layout::finalize): Move finalization of incremental info
5886         and creation of incremental info sections to follow finalization of
5887         symbol table.  Set offsets for postprocessing sections.
5888         (Layout::create_incremental_info_sections): Call
5889         Incremental_inputs::create_data_sections.  Add incremental symtab
5890         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
5891         sections to layout after input sections.
5892         * layout.h (struct Timespec): Forward declaration.
5893         (Layout::incremental_inputs): Add const.
5894         (Layout::create_incremental_info_sections): Add parameter.
5895         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
5896         * object.cc: Include incremental.h.
5897         (Relobj::finalize_incremental_relocs): New function.
5898         (Sized_relobj::do_layout): Record input sections in incremental info.
5899         * object.h (Object::output_section): New function.
5900         (Object::output_section_offset): Moved from Relobj.
5901         (Object::get_incremental_reloc_base): New function.
5902         (Object::get_incremental_reloc_count): New function.
5903         (Object::do_output_section): New function.
5904         (Object::do_output_section_offset): Moved from Relobj.
5905         (Object::do_get_incremental_reloc_base): New function.
5906         (Object::do_get_incremental_reloc_count): New function.
5907         (Object::Object): Initialize new data members.
5908         (Relobj::output_section): Renamed do_output_section and moved to
5909         protected.
5910         (Relobj::output_section_offset): Moved to Object.
5911         (Relobj::do_get_incremental_reloc_base): New function.
5912         (Relobj::do_get_incremental_reloc_count): New function.
5913         (Relobj::allocate_incremental_reloc_counts): New function.
5914         (Relobj::count_incremental_reloc): New function.
5915         (Relobj::finalize_incremental_relocs): New function.
5916         (Relobj::next_incremental_reloc_index): New function.
5917         (Relobj::reloc_counts_): New data member.
5918         (Relobj::reloc_bases_): New data member.
5919         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
5920         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
5921         (Sized_relobj::incremental_relocs_scan): New function.
5922         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5923         (Sized_relobj::incremental_relocs_write): New function.
5924         (Sized_relobj::incremental_relocs_write_reltype): New function.
5925         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
5926         incremental link.
5927         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
5928         archives and object files elsewhere.
5929         (Add_symbols::run): Report object files here.
5930         (Finish_group::run): Report end of archive at end of group.
5931         * reloc.cc: Include layout.h, incremental.h.
5932         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
5933         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
5934         (Sized_relobj::incremental_relocs_scan): New function.
5935         (Sized_relobj::incremental_relocs_scan_reltype): New function.
5936         (Sized_relobj::do_relocate_sections): Write incremental relocations.
5937         (Sized_relobj::incremental_relocs_write): New function.
5938         (Sized_relobj::incremental_relocs_write_reltype): New function.
5939         * script.cc (read_input_script): Rewrite test for incremental link.
5940         Change call to Incremental_inputs::report_script.
5941         * symtab.h (Symbol_table::first_global_index): New function.
5942         (Symbol_table::output_count): New function.
5943
5944 2010-08-12  Doug Kwan  <dougkwan@google.com>
5945
5946         * arm.cc (Target_arm::merge_object_attributes): Check command line
5947         options --no-wchar-size-warning and --no-enum-size-warning.
5948         * options.h (General_options): Add ld-compatible options
5949         --no-enum-size-warning and --no-wchar-size-warning.
5950
5951 2010-08-04  Ian Lance Taylor  <iant@google.com>
5952
5953         * x86_64.cc (Target_x86_64::Scan::local): Use
5954         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
5955         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
5956         (Target_x86_64::Scan::global): Likewise.
5957         (Target_x86_64::Relocate::relocate): Likewise.
5958         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
5959         Likewise.
5960
5961 2010-08-03  Cary Coutant  <ccoutant@google.com>
5962
5963         * merge.cc (Output_merge_string::do_add_input_section): Count strings
5964         to reserve space in merged_strings vector. Keep total input size
5965         for stats.
5966         (Output_merge_string::do_print_merge_stats): Print total input size.
5967         * merge.h (Output_merge_string): Add input_size_ field.
5968         * stringpool.cc (Stringpool_template::string_length): Move
5969         implementations out of Stringpool_template class and place in
5970         stringpool.h.
5971         * stringpool.h (string_length): Move out of Stringpool_template.
5972
5973 2010-08-03  Ian Lance Taylor  <iant@google.com>
5974
5975         PR 11712
5976         * layout.cc (relaxation_loop_body): If address of load segment is
5977         set, adjust address to include headers if possible.
5978
5979 2010-08-03  Ian Lance Taylor  <iant@google.com>
5980
5981         * version.cc (version_string): Bump to 1.10.
5982
5983 2010-08-03  Ian Lance Taylor  <iant@google.com>
5984
5985         PR 11805
5986         * layout.h (enum Output_section_order): Define.
5987         (class Layout): Update declarations.
5988         * layout.cc (Layout::get_output_section): Add order parameter.
5989         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
5990         is_first_non_relro parameters.  Change all callers.
5991         (Layout::choose_output_section): Likewise.
5992         (Layout::add_output_section_data): Likewise.
5993         (Layout::make_output_section): Likewise.  Set order.
5994         (Layout::default_section_order): New function.
5995         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
5996         * output.cc (Output_section::Output_section): Initialize order_.
5997         Don't initialize deleted fields.
5998         (Output_segment::Output_segment): Don't initialize deleted
5999         fields.
6000         (Output_segment::add_output_section_to_load): New function
6001         replacing add_output_section.  Change all callers to call this or
6002         add_output_section_to_nonload.
6003         (Output_segment::add_output_section_to_nonload): New function.
6004         (Output_segment::remove_output_section): Rewrite.
6005         (Output_segment::add_initial_output_data): Likewise.
6006         (Output_segment::has_any_data_sections): Likewise.
6007         (Output_segment::is_first_section_relro): Likewise.
6008         (Output_segment::maximum_alignment): Likewise.
6009         (Output_segment::has_dynamic_reloc): New function replacing
6010         dynamic_reloc_count.  Change all callers.
6011         (Output_segment::has_dynamic_reloc_list): New function replacing
6012         dynamic_reloc_count_list.  Change all callers.
6013         (Output_segment::set_section_addresses): Rewrite.
6014         (Output_segment::set_offset): Rewrite.
6015         (Output_segment::find_first_and_last_list): Remove.
6016         (Output_segment::set_tls_offsets): Rewrite.
6017         (Output_segment::first_section_load_address): Likewise.
6018         (Output_segment::output_section_count): Likewise.
6019         (Output_segment::section_with_lowest_load_address): Likewise.
6020         (Output_segment::write_section_headers): Likewise.
6021         (Output_segment::print_sections_to_map): Likewise.
6022         * output.h (class Output_data): Remove dynamic_reloc_count_
6023         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
6024         (Output_data::add_dynamic_reloc): Rewrite.
6025         (Output_data::has_dynamic_reloc): New function.
6026         (Output_data::dynamic_reloc_count): Remove.
6027         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
6028         is_last_relro_, is_first_non_relro_, is_interp_,
6029         is_dynamic_linker_section_ fields.  Add order and set_order
6030         functions.  Remove is_relro_local, set_is_relro_local,
6031         is_last_relro, set_is_last_relro, is_first_non_relro,
6032         set_is_first_non_relro functions, is_interp, set_is_interp,
6033         is_dynamic_linker_section, and set_is_dynamic_linker_section
6034         functions.
6035         (class Output_segment): Change Output_data_list from std::list to
6036         std:;vector.  Add output_lists_ field.  Remove output_data_ and
6037         output_bss_ fields.  Update declarations.
6038
6039 2010-08-02  Ian Lance Taylor  <iant@google.com>
6040
6041         * arm.cc (Target_arm::gc_process_relocs): Use typename.
6042         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
6043         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
6044
6045 2010-08-02  Ian Lance Taylor  <iant@google.com>
6046
6047         PR 11855
6048         * script.cc (Script_options::Script_options): Initialize
6049         symbol_definitions_ and symbol_references_.
6050         (Script_options::add_symbol_assignment): Update
6051         symbol_definitions_ and symbol_references_.
6052         (Script_options::add_symbol_reference): New function.
6053         (script_symbol): New function.
6054         * script.h (class Script_options): Add symbol_definitions_ and
6055         symbol_references_ fields.
6056         (Script_options::referenced_const_iterator): New type.
6057         (Script_options::referenced_begin): New function.
6058         (Script_options::referenced_end): New function.
6059         (Script_options::is_referenced): New function.
6060         (Script_options::any_unreferenced): New function.
6061         * script-c.h (script_symbol): Declare.
6062         * yyscript.y (exp): Call script_symbol.
6063         * symtab.cc: Include "script.h".
6064         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
6065         Change all callers.  Check symbols referenced by scripts.
6066         (Symbol_table::add_undefined_symbols_from_command_line): Add
6067         layout parameter.  Change all callers.
6068         (Symbol_table::do_add_undefined_symbols_from_command_line):
6069         Likewise.  Break out loop body.  Check symbols referenced by
6070         scripts.
6071         (Symbol_table::add_undefined_symbol_from_command_line): New
6072         function broken out of
6073         do_add_undefined_symbols_from_command_line.
6074         * symtab.h (class Symbol_table): Update declarations.
6075         * archive.cc: Include "layout.h".
6076         (Archive::should_include_member): Add layout parameter.  Change
6077         all callers.  Check for symbol mentioned in expression.
6078         * archive.h (class Archive): Update declaration.
6079         * object.cc (Sized_relobj::do_should_include_member): Add layout
6080         parameter.
6081         * object.h (Object::should_include_member): Add layout parameter.
6082         Change all callers.
6083         (Object::do_should_include_member): Add layout parameter.
6084         (class Sized_relobj): Update declaration.
6085         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
6086         parameter.
6087         * dynobj.h (class Sized_dynobj): Update declaration.
6088         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
6089         layout parameter.
6090         * plugin.h (class Sized_pluginobj): Update declaration.
6091
6092 2010-08-02  Ian Lance Taylor  <iant@google.com>
6093
6094         PR 11866
6095         * output.cc (Output_segment::set_offset): Search for the first and
6096         last sections rather than assuming that the list is in order.
6097         (Output_segment::find_first_and_last_list): New function.
6098         * output.h (class Output_segment): Update declarations.
6099         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
6100         (relro_strip_test_SOURCES): New variable.
6101         (relro_strip_test_DEPENDENCIES): New variable.
6102         (relro_strip_test_LDFLAGS): New variable.
6103         (relro_strip_test_LDADD): New variable.
6104         (relro_strip_test.so): New target.
6105
6106 2010-08-02  Ian Lance Taylor  <iant@google.com>
6107
6108         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
6109         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
6110         (Target_i386::got_tlsdesc_section): New function.
6111         (Target_i386::got_section): Create space for GOT entries for
6112         TLSDESC relocations.
6113         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
6114         R_386_TLS_GOTDESC.
6115         (Target_i386::Scan::global): Likewise.
6116         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
6117         using TLSDESC GOT.
6118         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
6119         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
6120         (Target_x86_64::got_tlsdesc_section): New function.
6121         (Target_x86_64::got_section): Create space for GOT entries for
6122         TLSDESC relocations.
6123         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
6124         R_386_TLS_GOTDESC.
6125         (Target_x86_64::Scan::global): Likewise.
6126         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
6127         using TLSDESC GOT.
6128
6129 2010-08-02  Ian Lance Taylor  <iant@google.com>
6130
6131         * testsuite/final_layout.sh: Use dc to convert from hex to
6132         decimal.
6133
6134 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
6135
6136         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
6137         paramter to the call to gold::gc_process_relocs.
6138         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
6139         paramter to the call to gold::gc_process_relocs.
6140         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
6141         parameter to the call to gold::gc_process_relocs.
6142         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
6143         template parameter to the call to gold::gc_process_relocs.
6144         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
6145         paramter to the call to gold::gc_process_relocs.
6146         * gc.h (get_embedded_addend_size): New function.
6147         (gc_process_relocs): Save the size of the reloc for use by ICF.
6148         * icf.cc (get_section_contents): Get the addend from the text section
6149         for SHT_REL relocation sections.
6150         * icf.h (Icf::Reloc_addend_size_info): New typedef.
6151         (Icf::Reloc_info): Add new member reloc_addend_size_info.
6152         * int_encoding.h (read_from_pointer): New overloaded function.
6153         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
6154         * testsuite/icf_sht_rel_addend_test.sh: New file.
6155         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
6156         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
6157
6158 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6159
6160         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
6161         * Makefile.in: Regenerate.
6162         * testsuite/Makefile.in: Regenerate.
6163
6164 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
6165
6166         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
6167         * gold/testsuite/debug_msg.cc: Likewise.
6168         * gold/testsuite/odr_violation1.cc
6169         * gold/testsuite/odr_violation2.cc
6170
6171 2010-07-21  Cary Coutant  <ccoutant@google.com>
6172
6173         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
6174         string, and length fields.
6175         (Output_merge_string::Merged_strings_list): New type.
6176         (Output_merge_string::Merged_strings_lists): New typedef.
6177         (Output_merge_string): Replace merged_strings_ with
6178         merged_strings_lists_.
6179         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
6180         Merged_strings_list per input object and section.  Don't store pointer
6181         to the string.  Don't store length with each merged string entry.
6182         (Output_merge_string::finalize_merged_data): Loop over list of merged
6183         strings lists.  Recompute length of each merged string.
6184
6185 2010-07-15  Cary Coutant  <ccoutant@google.com>
6186
6187         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
6188         here.
6189
6190 2010-07-14  Ian Lance Taylor  <iant@google.com>
6191
6192         * descriptors.cc (Descriptors::open): Report correct name in error
6193         message.
6194
6195 2010-07-13  Doug Kwan  <dougkwan@google.com>
6196
6197         * arm.cc (Arm_input_section::Arm_input_section): For a
6198         SHT_ARM_EXIDX section, always keeps the input sections.
6199         (Arm_input_section::set_exidx_section_link): New method.
6200         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
6201         has_errors_ to false.
6202         (Arm_exidx_input_section::has_errors,
6203         Arm_exidx_input_section::set_has_errors): New methods.
6204         (Arm_exidx_input_section::has_errors_): New data member.
6205         (Arm_relobj::get_exidx_shndx_list): New method.
6206         (Arm_output_section::append_text_sections_to_list): Do not skip
6207         section without SHF_EXECINSTR.
6208         (Arm_output_section::fix_exidx_coverage): Skip input sections with
6209         errors.
6210         (Arm_relobj::make_exidx_input_section): Add new parameter for text
6211         section header.  Make error messages more verbose.  Check for
6212         a non-executable section linked to an EXIDX section.
6213         (Arm_relobj::do_read_symbols): Remove error checking, which has been
6214         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
6215         check that there is no deferred EXIDX section if we exit early.
6216         Instead of not making an EXIDX section in case of an error, make one
6217         and set the has_errors flag of it.
6218         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
6219         in a relocatable link.
6220         (Target_arm::do_relax): Look for the EXIDX output section instead of
6221         assuming that it is called .ARM.exidx.
6222         (Target_arm::fix_exidx_coverage): Add a new parameter for input
6223         section list.  Do not check for SHF_EXECINSTR section flags but
6224         skip any input section with errors.
6225         * output.cc (Output_section::Output_section): Initialize
6226         always_keeps_input_sections_ to false.
6227         (Output_section::add_input_section): Check for
6228         always_keeps_input_sections_.
6229         *  output.h (Output_section::always_keeps_input_sections,
6230         Output_section::set_always_keeps_input_sections): New methods.
6231         (Output_section::always_keeps_input_sections): New data member.
6232
6233 2010-07-13  Rafael Espindola  <espindola@google.com>
6234
6235         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
6236         * fileread.h (Input_file): Add try_extra_search_path and find_file.
6237
6238 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
6239             Ian Lance Taylor  <iant@google.com>
6240
6241         * output.h (Output_section_lookup_maps::add_merge_section):
6242         Correct check of whether value was inserted.
6243         (Output_section_lookup_maps::add_merge_input_section): Likewise.
6244         (Output_section_lookup_maps::add_relaxed_input_section):
6245         Likewise.
6246         * arm.cc (Target_arm::got_section): Remove used local os.
6247         * i386.cc (Target_i386::got_section): Likewise.
6248         * x86_64.cc (Target_x86_64::got_section): Likewise.
6249         * sparc.cc (Target_sparc::got_section): Likewise.
6250         (Target_sparc::relocate): Remove unused local have_got_offset.
6251         * powerpc.cc (Target_powerpc::relocate): Likewise.
6252
6253 2010-07-13  Ian Lance Taylor  <iant@google.com>
6254
6255         * compressed_output.cc (zlib_decompress): Fix signature in
6256         !HAVE_ZLIB_H case.
6257
6258         * archive.cc (Archive::include_member): Unlock an external member
6259         of a thin archive.  Don't bother to delete an object we know is
6260         NULL.
6261
6262 2010-07-12  Cary Coutant  <ccoutant@google.com>
6263
6264         * compressed_output.cc (zlib_decompress): New function.
6265         (get_uncompressed_size): New function.
6266         (decompress_input_section): New function.
6267         * compressed_output.h (get_uncompressed_size): New function.
6268         (decompress_input_section): New function.
6269         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
6270         Handle compressed debug sections.
6271         * layout.cc (is_compressed_debug_section): New function.
6272         (Layout::output_section_name): Map compressed section names to
6273         canonical names.
6274         * layout.h (is_compressed_debug_section): New function.
6275         (is_debug_info_section): Recognize compressed debug sections.
6276         * merge.cc: Include compressed_output.h.
6277         (Output_merge_data::do_add_input_section): Handle compressed
6278         debug sections.
6279         (Output_merge_string::do_add_input_section): Handle compressed
6280         debug sections.
6281         * object.cc: Include compressed_output.h.
6282         (Sized_relobj::Sized_relobj): Initialize new data members.
6283         (build_compressed_section_map): New function.
6284         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
6285         * object.h (Object::section_is_compressed): New method.
6286         (Object::do_section_is_compressed): New method.
6287         (Sized_relobj::Compressed_section_map): New type.
6288         (Sized_relobj::do_section_is_compressed): New method.
6289         (Sized_relobj::compressed_sections_): New data member.
6290         * output.cc (Output_section::add_input_section): Handle compressed
6291         debug sections.
6292         * reloc.cc: Include compressed_output.h.
6293         (Sized_relobj::write_sections): Handle compressed debug sections.
6294
6295 2010-07-08  Cary Coutant  <ccoutant@google.com>
6296
6297         * resolve.cc (Symbol_table::resolve): Remember whether undef was
6298         weak when resolving to a dynamic def.
6299         (Symbol_table::should_override): Add adjust_dyndef flag; set it
6300         for weak undef/dynamic def cases. Adjust callers.
6301         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
6302         undef_binding_weak_.
6303         (Symbol_table::sized_write_globals): Adjust symbol binding.
6304         (Symbol_table::sized_write_symbol): Add binding parameter.
6305         * symtab.h (Symbol::set_undef_binding): New method.
6306         (Symbol::is_undef_binding_weak): New method.
6307         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
6308         (Symbol_table::should_override): Add new parameter.
6309         (Symbol_table::sized_write_symbol): Add new parameter.
6310
6311         * testsuite/weak_undef_file1.cc: Add new test case.
6312         * testsuite/weak_undef_file2.cc: Fix header comment.
6313         * testsuite/weak_undef_test.cc: Add new test case.
6314
6315 2010-06-29  Doug Kwan  <dougkwan@google.com>
6316
6317         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
6318         Initialize USE_SYMBOL_.
6319         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
6320         definition.
6321         (Arm_reloc_property::uses_symbol_): New data member declaration.
6322         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
6323         uses symbol value and symbol is undefined but not weakly undefined.
6324
6325 2010-06-28  Rafael Espindola  <espindola@google.com>
6326
6327         * plugin.cc (Plugin::load): Use dlerror.
6328
6329 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
6330
6331         * symtab.cc (detect_odr_violations): When reporting an ODR
6332         violation, report an object where the symbol is defined.
6333
6334 2010-06-25  Doug Kwan  <dougkwan@google.com>
6335
6336         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
6337         (Target_arm::section_may_have_icf_unsafe_pointers): New method
6338         definition.
6339         (Target_arm::Scan::local_reloc_may_be_function_pointer,
6340         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
6341         target hook to detect function points.
6342         (Target_arm::Scan::possible_function_pointer_reloc): New method.
6343         * icf.h (Icf::check_section_for_function_pointers): Change type of
6344         parameter SECTION_NAME to const reference to std::string.  Use
6345         target hook to determine if section may have unsafe pointers.
6346         * target.h (Target::section_may_have_icf_unsafe_pointers): New
6347         method definition.
6348
6349 2010-06-21  Rafael Espindola  <espindola@google.com>
6350
6351         * fileread.cc (Input_file::find_fie): New
6352         (Input_file::open): Use Input_file::find_fie.
6353         * fileread.h (Input_file::find_fie): New
6354         * plugin.cc (set_extra_library_path): New.
6355         (Plugin::load): Add set_extra_library_path to the transfer vector.
6356         (Plugin_manager::set_extra_library_path): New.
6357         (Plugin_manager::add_input_file): Use the extra search path if set.
6358         (set_extra_library_path(): New.
6359         * plugin.h (Plugin_manager): Add set_extra_library_path and
6360         extra_search_path_.
6361
6362 2010-06-19  Cary Coutant  <ccoutant@google.com>
6363
6364         * layout.cc (gdb_sections): Add .debug_types.
6365         (lines_only_debug_sections): Likewise.
6366
6367 2010-06-18  Rafael Espindola  <espindola@google.com>
6368
6369         * plugin.cc (add_input_file,add_input_library)
6370         (Plugin_manager::add_input_file): Make filename arguments const.
6371         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
6372         const.
6373
6374 2010-06-16  Doug Kwan  <dougkwan@google.com>
6375
6376         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
6377         .ARM.attributes section if we have not merged any input
6378         attributes sections.
6379
6380 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6381
6382         * arm.cc: Allow combining objects with no EABI version
6383         information.
6384
6385 2010-06-15  Rafael Espindola  <espindola@google.com>
6386
6387         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
6388
6389 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6390
6391         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
6392         (struct iovec): Correct !HAVE_READV definition.
6393
6394 2010-06-10  Cary Coutant  <ccoutant@google.com>
6395
6396         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
6397         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
6398         reloc sections.
6399         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
6400
6401         PR 11683
6402         * symtab.h (Symbol::is_placeholder): New member function.
6403         * target-reloc.h (relocate_section): Check for placeholder symbols.
6404
6405         * testsuite/Makefile.am (plugin_test_8): New test.
6406         (plugin_test_9): New test.
6407         * testsuite/Makefile.in: Regenerate.
6408
6409 2010-06-09  Nick Clifton  <nickc@redhat.com>
6410
6411         * yyscript.y (input_list_element): Allow strings prefixed with
6412         the '-' character.  Treat these as libraries.
6413         * script.cc (script_add_library): New function.  Adds a library
6414         specified by "-l<name>" found in an input script.
6415         * script-c.h: Add prototype for script_add_library.
6416
6417 2010-06-07  Doug Kwan  <dougkwan@google.com>
6418
6419         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
6420         Restrict stub-group size to be within long conditional branch
6421         range when working around cortex-A8 erratum.
6422
6423 2010-06-07  Damien Diederen  <dd@crosstwine.com>
6424
6425         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
6426         #ifdef typo.
6427
6428 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
6429
6430         PR gold/11658
6431         * output.cc
6432         (Output_section::Input_section_sort_entry::compare_section_ordering):
6433         Change to return non-zero correctly.
6434         (Output_section::Input_section_sort_section_order_index_compare
6435         ::operator()): Change to fix ambiguity in comparisons.
6436
6437 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
6438
6439         * gold.h (is_wildcard_string): New function.
6440         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
6441         (Layout::layout_eh_frame): Ditto.
6442         (Layout::find_section_order_index): New method.
6443         (Layout::read_layout_from_file): New method.
6444         * layout.h (Layout::find_section_order_index): New method.
6445         (Layout::read_layout_from_file): New method.
6446         (Layout::input_section_position_): New private member.
6447         (Layout::input_section_glob_): New private member.
6448         * main.cc (main): Call read_layout_from_file here.
6449         * options.h (--section-ordering-file): New option.
6450         * output.cc (Output_section::input_section_order_specified_): New
6451         member.
6452         (Output_section::Output_section): Initialize new member.
6453         (Output_section::add_input_section): Add new parameter.
6454         Keep input sections when --section-ordering-file is used.
6455         (Output_section::set_final_data_size): Sort input sections when
6456         section ordering file is specified.
6457         (Output_section::Input_section_sort_entry): Add new parameter.
6458         Check sorting type.
6459         (Output_section::Input_section_sort_entry::compare_section_ordering):
6460         New method.
6461         (Output_section::Input_section_sort_compare::operator()): Change to
6462         consider section_order_index.
6463         (Output_section::Input_section_sort_init_fini_compare::operator()):
6464         Change to consider section_order_index.
6465         (Output_section::Input_section_sort_section_order_index_compare
6466         ::operator()): New method.
6467         (Output_section::sort_attached_input_sections): Change to sort
6468         according to section order when specified.
6469         (Output_section::add_input_section<32, true>): Add new parameter.
6470         (Output_section::add_input_section<64, true>): Add new parameter.
6471         (Output_section::add_input_section<32, false>): Add new parameter.
6472         (Output_section::add_input_section<64, false>): Add new parameter.
6473         * output.h (Output_section::add_input_section): Add new parameter.
6474         (Output_section::input_section_order_specified): New
6475         method.
6476         (Output_section::set_input_section_order_specified): New method.
6477         (Input_section::Input_section): Initialize section_order_index_.
6478         (Input_section::section_order_index): New method.
6479         (Input_section::set_section_order_index): New method.
6480         (Input_section::section_order_index_): New member.
6481         (Input_section::Input_section_sort_section_order_index_compare): New
6482         struct.
6483         (Output_section::input_section_order_specified_): New member.
6484         * script-sections.cc (is_wildcard_string): Delete and move modified
6485         method to gold.h.
6486         (Output_section_element_input::Output_section_element_input): Modify
6487         call to is_wildcard_string.
6488         (Output_section_element_input::Input_section_pattern
6489         ::Input_section_pattern): Ditto.
6490         (Output_section_element_input::Output_section_element_input): Ditto.
6491         * testsuite/Makefile.am (final_layout): New test case.
6492         * testsuite/Makefile.in: Regenerate.
6493         * testsuite/final_layout.cc: New file.
6494         * testsuite/final_layout.sh: New file.
6495
6496 2010-06-01  Rafael Espindola  <espindola@google.com>
6497
6498         * plugin.cc (Plugin::load): Pass the output name to the plugin.
6499
6500 2010-06-01  Rafael Espindola  <espindola@google.com>
6501
6502         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
6503         visibility of symbols.
6504
6505 2010-05-27  Doug Kwan  <dougkwan@google.com>
6506
6507         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
6508         from start of output section instead of address for a local symbol
6509         in a merged or relaxed section when doing a relocatable link.
6510
6511 2010-05-26  Rafael Espindola  <espindola@google.com>
6512
6513         PR 11604
6514         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
6515         adding sections the garbage collector removed.
6516         * gold/testsuite/Makefile.am: Add test.
6517         * gold/testsuite/Makefile.in: Regenerate.
6518         * gold/testsuite/plugin_test_7.sh: New.
6519         * gold/testsuite/plugin_test_7_1.c: New.
6520         * gold/testsuite/plugin_test_7_2.c: New.
6521
6522 2010-05-26  Rafael Espindola  <espindola@google.com>
6523
6524         * script-sections.cc (Output_section_definition::set_section_addresses):
6525         Check for --section-start.
6526
6527 2010-05-26  Doug Kwan  <dougkwan@google.com>
6528
6529         * arm.cc (Arm_scan_relocatable_relocs): New class.
6530         (Target_arm::relocate_special_relocatable): New method.
6531         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
6532         (Arm_relocate_functions::thumb_branch_common): Same.
6533         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
6534         instead of Default_scan_relocatable_relocs.
6535         * target-reloc.h (relocate_for_relocatable): Let target handle
6536         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
6537         * target.h (Sized_target::relocate_special_relocatable): New method.
6538
6539 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6540
6541         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
6542
6543 2010-05-23  Doug Kwan  <dougkwan@google.com>
6544
6545         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
6546         instead of a cast.
6547         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
6548         with a direct branch, not a conditional branch, to a stub.
6549         * merge.cc (Output_merge_base::record_input_section): New method
6550         defintion.
6551         (Output_merge_data::do_add_input_section): Record input section if
6552         keeps-input-sections flag is set.
6553         (Output_merge_string::do_add_input_section): Ditto.
6554         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
6555         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
6556         INPUT_SECTIONS_.
6557         (Output_merge_base::keeps_input_sections,
6558         Output_merge_base::set_keeps_input_sections,
6559         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
6560         method definitions.
6561         (Output_merge_base::Input_sections): New type declaration.
6562         (Output_merge_base::input_sections_begin,
6563         Output_merge_base::input_sections_end,
6564         Output_merge_base::do_set_keeps_input_sections): New method definitions.
6565         (Output_merge_base::bool keeps_input_sections_,
6566         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
6567         Output_merge_base::input_sections_): New data members.
6568         (Output_merge_data::do_set_keeps_input_sections): New method
6569         defintion.
6570         (Output_merge_string::do_set_keeps_input_sections): Ditto.
6571         * output.cc (Output_section::Input_section::relobj): Move method
6572         defintion from class declaration to here and handle merge sections.
6573         (Output_section::Input_section::shndx): Ditto.
6574         (Output_section::Output_section): Remove initializations of removed
6575         data members and initialize new data member LOOKUP_MAPS_.
6576         (Output_section::add_input_section): Set keeps-input-sections flag
6577         for a newly created merge output section as appropriate.  Adjust code
6578         to use Output_section_lookup_maps class.
6579         (Output_section::add_relaxed_input_section): Adjst code for lookup
6580         maps code refactoring.
6581         (Output_section::add_merge_input_section): Add a new parameter
6582         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
6583         class.  If adding input section to a newly created merge output
6584         section fails, remove the new merge section.
6585         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
6586         Adjust code for use of the Output_section_lookup_maps class.
6587         (Output_section::find_merge_section): Ditto.
6588         (Output_section::build_lookup_maps): New method defintion.
6589         (Output_section::find_relaxed_input_section): Adjust code to use
6590         Output_section_lookup_maps class.
6591         (Output_section::get_input_sections): Export merge sections.  Adjust
6592         code to use Output_section_lookup_maps class.
6593         (Output_section:::add_script_input_section): Adjust code to use
6594         Output_section_lookup_maps class.  Update lookup maps for merge
6595         sections also.
6596         (Output_section::discard_states): Use Output_section_lookup_maps.
6597         (Output_section::restore_states): Same.
6598         * output.h (Merge_section_properties): Move class defintion out of
6599         Output_section.
6600         (Output_section_lookup_maps): New class.
6601         (Output_section::Input_section::is_merge_section): New method
6602         defintion.
6603         (Output_section::Input_section::relobj): Move defintion out of class
6604         defintion.  Declare method only.
6605         (Output_section::Input_section::shndx): Ditto.
6606         (Output_section::Input_section::output_merge_base): New method defintion.
6607         (Output_section::Input_section::u2_.pomb): New union field.
6608         (Output_section::Merge_section_by_properties_map,
6609         Output_section::Output_section_data_by_input_section_map,
6610         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
6611         Remove types.
6612         (Output_section::add_merge_input_section): Add new parameter
6613         KEEPS_INPUT_SECTIONS.
6614         (Output_section::build_lookup_maps): New method declaration.
6615         (Output_section::merge_section_map_,
6616         Output_section::merge_section_by_properties_map_,
6617         Output_section::relaxed_input_section_map_,
6618         Output_section::is_relaxed_input_section_map_valid_): Remove data
6619         members.
6620         (Output_section::lookup_maps_): New data member.
6621
6622 2010-05-21  Doug Kwan  <dougkwan@google.com>
6623
6624         PR gold/11619
6625         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
6626         avoid a compilation error.
6627
6628 2010-05-19  Rafael Espindola  <espindola@google.com>
6629
6630         * script-sections.cc (Output_section_definition::allocate_to_segment):
6631         Update the phdrs_list even when the output section is NULL.
6632         * testsuite/Makefile.am: Add test.
6633         * testsuite/Makefile.in: Regenerate.
6634         * testsuite/script_test_9.cc: New.
6635         * testsuite/script_test_9.sh: New.
6636         * testsuite/script_test_9.t: New.
6637
6638 2010-05-19  Doug Kwan  <dougkwan@google.com>
6639
6640         * arm.cc (Arm_input_section::original_size): New method.
6641         (Arm_input_section::do_addralign): Add a cast.
6642         (Arm_input_section::do_output_offset): Remove static cast.
6643         (Arm_input_section::original_addralign,
6644          Arm_input_section::original_size_): Change type to uint32_t.
6645         (Arm_input_section::init): Add safe casts for section alignment
6646         and size.
6647         (Arm_input_section::set_final_data_size): Do not set address and
6648         offset of stub table.
6649         (Arm_output_section::fix_exidx_coverage): Change use of of
6650         Output_section::Simple_input_section to that of
6651         Output_section::Input_section.
6652         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
6653         except for the first pass.
6654         * output.cc (Output_section::get_input_sections): Change type of
6655         input_sections to std::list<Input_section>.
6656         (Output_section::add_script_input_section): Rename from
6657         Output_section::add_simple_input_section.  Change type of SIS
6658         parameter from Simple_input_section to Input_section.
6659         * output.h (Output_section::Simple_input_section): Remove class.
6660         (Output_section::Input_section): Change class visibility to public.
6661         (Output_section::Input_section::addralign): Use stored alignments
6662         for special input sections if set.
6663         (Output_section::Input_section::set_addralign): New method.
6664         (Output_section::get_input_sections): Change parameter type from
6665         list of Simple_input_section to list of Input_section.
6666         (Output_section::add_script_input_section): Rename from
6667         Output_section::add_simple_input_section. Change first parameter's
6668         type from Simple_input_section to Input_section and remove the
6669         second and third parameters.
6670         * script-sections.cc (Input_section::Input_section_list): Change
6671         type to list of Output_section::Input_section/
6672         (Input_section_info::Input_section_info): Change parameter type of
6673         INPUT_SECTION to Output_section::Input_section.
6674         (Input_section_info::input_section): Change return type.
6675         (Input_section_info::input_section_): Change type to
6676         Output_section::Input_section.
6677         (Output_section_element_input::set_section_addresses): Adjust code
6678         to use Output_section::Input_section instead of
6679         Output_section::Simple_input_section.  Adjust code for renaming
6680         of Output_section::add_simple_input_section.
6681         (Orphan_output_section::set_section_addresses): Ditto.
6682
6683 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6684
6685         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
6686         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
6687
6688 2010-05-18  Rafael Espindola  <espindola@google.com>
6689
6690         * options.cc (General_options::finalize): Handle -nostdlib.
6691         * options.h (nostdlib): New option.
6692         * script.cc (script_add_search_dir): Handle -nostdlib.
6693
6694 2010-05-12  Doug Kwan  <dougkwan@google.com>
6695
6696         * arm.cc (Target_arm::do_finalize_sections): Create an empty
6697         attributes section only if there no attributes section after merging.
6698         (Target_arm::merge_object_attributes): Move value of
6699         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
6700         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
6701         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
6702         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
6703         and arm_attr_merge_7.stdout.
6704         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
6705         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
6706         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
6707         arm_attr_merge_7b.o): New rules.
6708         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
6709         arm_attr_merge_7
6710         * testsuite/Makefile.in: Regenerate.
6711         * testsuite/arm_attr_merge.sh: New file.
6712         * testsuite/arm_attr_merge_[67][ab].s: Same.
6713
6714 2010-05-05  Nick Clifton  <nickc@redhat.com>
6715
6716         * po/es.po: Updated Spanish translation.
6717
6718 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6719
6720         * Makefile.am (install-exec-local): Properly install gold as
6721         default cross linker.
6722         * Makefile.in: Regenerated.
6723
6724 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
6725             Nick Clifton  <nickc@redhat.com>
6726
6727         * configure.ac (install_as_default): Define and set to false
6728         unless --enable-gold or --enable-gold=both/gold has been
6729         specified.
6730         * configure: Regenerate.
6731
6732         * Makefile.am (install-exec-local): Install the executable as
6733         'ld.gold'.  If install_as_default is true then also install it as
6734         'ld'.
6735         * Makefile.in: Regenerated.
6736
6737 2010-04-24  Ian Lance Taylor  <iant@google.com>
6738
6739         * layout.cc (Layout::layout_reloc): In relocatable link don't
6740         combine reloc sections for grouped sections.
6741
6742 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
6743
6744         * gc.h (gc_process_relocs): Pass information on relocs pointing to
6745         sections that are not ordinary to icf.
6746         * icf.cc (get_section_contents): Handle relocation pointing to section
6747         with no object or shndx information.
6748         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
6749         * testsuite/Makefile.in: Regenerate.
6750         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
6751         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
6752
6753 2010-04-22  Ian Lance Taylor  <iant@google.com>
6754
6755         * expression.cc (Expression::Expression_eval_info): Add
6756         result_alignment_pointer field.
6757         (Expression::eval_with_dot): Add result_alignment_pointer
6758         parameter.  Change all callers.
6759         (Expression::eval_maybe_dot): Likewise.
6760         (class Binary_expression): Add alignment_pointer parameter to
6761         left_value and right_value.  Change all callers.
6762         (BINARY_EXPRESSION): Set result alignment.
6763         (class Trinary_expression): Add alignment_pointer parameter to
6764         arg2_value and arg3_value.  Change all callers.
6765         (Trinary_cond::value): Set result alignment.
6766         (Max_expression::value, Min_expression::value): Likewise.
6767         (Align_expression::value): Likewise.
6768         * script-sections.cc (class Sections_element): Add dot_alignment
6769         parameter to set_section_addresses virtual function.  Update
6770         instantiations.
6771         (class Output_section_element): Likewise.
6772         (Script_sections::create_segments): Add dot_alignment parameter.
6773         Change all callers.
6774         (Script_sections::create_segments_from_phdrs_clause): Likewise.
6775         (Script_sections::set_phdrs_clause_addresses): Likewise.
6776         * script-sections.h: Update declarations.
6777         * script.h: Update declarations.
6778         * output.h (Output_segment::set_minimum_p_align): Don't decrease
6779         min_p_align.
6780         * testsuite/script_test_3.t: Set large alignment.
6781         * testsuite/script_test_3.sh: Make sure that at least one LOAD
6782         segment has expected alignment.
6783
6784 2010-04-22  Nick Clifton  <nickc@redhat.com>
6785
6786         * po/gold.pot: Updated by the Translation project.
6787         * po/vi.po: Updated Vietnamese translation.
6788
6789 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
6790
6791         * testsuite/Makefile.am (check_PROGRAMS): Add
6792         icf_virtual_function_folding_test.
6793         * testsuite/Makefile.in: Regenerated.
6794
6795 2010-04-15  Andrew Haley  <aph@redhat.com>
6796
6797         * options.h (merge_exidx_entries): New option.
6798         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
6799         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
6800         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
6801         (Target_arm::merge_exidx_entries): New function.
6802         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
6803         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
6804         to Arm_exidx_fixup constructor.
6805         Add new arg, merge_exidx_entries.
6806         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
6807         Arm_output_section::fix_exidx_coverage.
6808
6809 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
6810
6811         * icf.cc (get_section_contents): Check for preemptible functions.
6812         Ignore addend when appropriate.
6813         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
6814         section folded.
6815         (add_from_relobj): Check for section folded.
6816         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
6817         * symtab.h (should_add_dynsym_entry): Add new parameter.
6818         * target-reloc.h (scan_relocs): Check for section folded.
6819         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
6820         Check reloc types for function pointers in shared objects.
6821         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
6822         case.
6823         (icf_preemptible_functions_test): New test case.
6824         (icf_string_merge_test): New test case.
6825         * testsuite.Makefile.in: Regenerate.
6826         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
6827         bar_glob.  Refactor code.
6828         * testsuite/icf_preemptible_functions_test.cc: New file.
6829         * testsuite/icf_preemptible_functions_test.sh: New file.
6830         * testsuite/icf_string_merge_test.cc: New file.
6831         * testsuite/icf_string_merge_test.sh: New file.
6832         * testsuite/icf_virtual_function_folding_test.cc: New file.
6833         * testsuite/icf_virtual_function_folding_test.sh: New file.
6834
6835 2010-04-14  Doug Kwan  <dougkwan@google.com>
6836
6837         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
6838         for local symbol recounting if we remove a section due to ICF.
6839         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
6840         there are no regular objects in input.
6841
6842 2010-04-13  Doug Kwan  <dougkwan@google.com>
6843
6844         * arm.cc (Arm_input_section::set_final_data_size): Compute
6845         accurate final data size instead of using current data size.
6846
6847 2010-04-09  Doug Kwan  <dougkwan@google.com>
6848
6849         * layout.cc (Layout::choose_output_section): Handle script section
6850         types.
6851         (Layout::make_output_section_for_script): Add section type parameter.
6852         Handle script section types.
6853         * layout.h (Layout::make_output_section_for_script): Add section
6854         type parameter.
6855         * output.cc (Output_section::Output_section): Initialize data member
6856         is_noload_.
6857         (Output_section::do_reset_address_and_file_offset): Do not set address
6858         to 0 if section is a NOLOAD section.
6859         * output.h (Output_section::is_noload): New method.
6860         (Output_section::set_is_noload): Ditto.
6861         (Output_section::is_noload_): New data member.
6862         * script-c.h (Script_section_type): New enum type.
6863         (struct Parser_output_section_header): Add new file section_type.
6864         * script-sections.cc (Sections_element::output_section_name): Add
6865         parameter for returning script section type.
6866         (Output_section_definition::output_section_name): Ditto.
6867         (Output_section_definition::section_type)P; New method.
6868         (Output_section_definiton::script_section_type_name): Ditto.
6869         (Output_section_definition::script_section_type_): New data member.
6870         (Output_section_definition::Output_section_definition): Initialize
6871         data member Output_section_definition::script_section_type_.
6872         (Output_section_definition::create_sections): Pass script section type
6873         to Layout::make_output_section_for_script.
6874         (Output_section_definition::output_section_name): Return script
6875         section type to caller.
6876         (Output_section_definition::set_section_address): Do not advance
6877         dot value and load address if section type is NOLOAD.  Set address
6878         of NOLOAD sections regardless of section flags.
6879         (Output_section_definition::print): Print section type if it is
6880         not SCRIPT_SECTION_TYPE_NONE.
6881         (Output_section_definition::section_type): New method.
6882         (Output_section_definition::script_section_type_name): Ditto.
6883         (Script_sections::output_section_name): Add new parameter
6884         PSECTION_TYPE for returning script section type.  Pass it to
6885         section elements.  Handle discard sections.
6886         (Sort_output_sections::operator()): Handle NOLOAD sections.
6887         * script-sections.h (Script_sections::Section_type): New enum type.
6888         (Script_sections::output_section_name): Add a new parameter for
6889         returning script section type.
6890         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
6891         INFO and NOLOAD.
6892         * yyscript.y (union): Add new field SECTION_TYPE.
6893         (COPY, DSECT, INFO, NOLOAD): New tokens.
6894         (opt_address_and_section_type): Change type to output_section_header.
6895         (section_type): New non-terminal
6896         (section_header): Handle section type.
6897         (opt_address_and_section_type): Return section type value.
6898
6899 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
6900
6901         * testsuite/plugin_common_test_1.c (foo): Add prototype.
6902         * testsuite/plugin_common_test_2.c (foo): Likewise.
6903
6904 2010-04-08  Doug Kwan  <dougkwan@google.com>
6905
6906         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
6907         Output_merge_data.
6908         * output.cc (Output_section::add_merge_input_section): Simplify
6909         code and return status of Output_merge_base::add_input_section.
6910         Update merge section map only if Output_merge_base::add_input_section
6911         returns true.
6912
6913 2010-04-07  Doug Kwan  <dougkwan@google.com>
6914
6915         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
6916         if section is marked as containing instructions but has no mapping
6917         symbols.
6918         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
6919         correct section index.
6920         (Arm_relobj::find_linked_text_section): Ditto.
6921
6922 2010-04-07  Cary Coutant  <ccoutant@google.com>
6923
6924         * archive.cc (include_member): Destroy Read_symbols_data object before
6925         releasing file.
6926         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
6927         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
6928         (Read_symbols_data::~Read_symbols_data) New destructor.
6929         (Section_relocs::Section_relocs) New constructor.
6930         (Section_relocs::~Section_relocs) New destructor.
6931         (Read_relocs_data::Read_relocs_data) New constructor.
6932         (Read_relocs_data::~Read_relocs_data) New destructor.
6933         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
6934         pointers to NULL after deleting.
6935
6936 2010-04-07  Doug Kwan  <dougkwan@google.com>
6937
6938         * arm.cc: Replace "endianity" with "endianness" in comments.
6939         (Arm_exidx_cantunwind): Ditto.
6940         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
6941         (Arm_relobj::merge_flags_and_attributes): New method.
6942         (Arm_relobj::merge_flags_and_attributes_): New data member.
6943         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
6944         (Arm_relobj::scan_sections_for_stubs): Ditto.
6945         (Arm_relobj::do_read_symbols): Check to see if we really want to
6946         merge processor-specific flags and attributes.  Exit early if
6947         an object is empty except for section names and the undefined symbol.
6948         (Target_arm::do_finalize_sections): Move check for ELF format to
6949         Arm_relobj::do_read_symbols.  Merge processor specific flags and
6950         attributes from a regular object only when we have determined that
6951         it is aapropriate.  Do not create an .ARM.attributes section in
6952         output if there is no regular input object.
6953         (Target_arm::merge_processor_specific_flags): Check
6954         --warn-mismatch before printing any error.
6955         (Target_arm::merge_object_attributes): Ditto.
6956         * gold.cc (queue_middle_tasks): Handle the case in which there is
6957         no regular object in input.
6958         * options.cc (General_options::parse_EB): New method.
6959         (General_options::parse_EL): Same.
6960         (General_options::General_options): Initialize endianness_.
6961         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
6962         New options.
6963         (General_options::Endianness): New enum.
6964         (General_options::endianness): New method.
6965         (General_options::endianness_): New data member.
6966         * parameters.cc (Parameters::set_options): Check target endianness.
6967         (Parameters::set_target_once): Ditto.
6968         (Parameters::check_target_endianness): New method.
6969         (parameters_force_valid_target): If either -EL or -EB is specified,
6970         use it to define endianness of default target.
6971         * parameters.h (Parameters::check_target_endianness): New method
6972         declaration.
6973         * target.h (class Target): Change "endianity" to "endianness"
6974         in comments.
6975
6976 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6977
6978         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
6979         * configure: Regenerate.
6980         * Makefile.in: Regenerate.
6981         * testsuite/Makefile.in: Regenerate.
6982
6983 2010-04-06  Cary Coutant  <ccoutant@google.com>
6984
6985         gcc PR lto/42757
6986         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
6987         prevailing definitions of common symbols.
6988         * testsuite/plugin_test_6.sh: New test case.
6989         * testsuite/plugin_common_test_1.c: New test case.
6990         * testsuite/plugin_common_test_2.c: New test case.
6991         * testsuite/Makefile.am (plugin_test_6): New test case.
6992         * testsuite/Makefile.in: Regenerate.
6993
6994 2010-04-06  Nick Clifton  <nickc@redhat.com>
6995
6996         * po/vi.po: New Vietnamese translation.
6997
6998 2010-03-30  Doug Kwan  <dougkwan@google.com>
6999
7000         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
7001
7002 2010-03-25  Doug Kwan  <dougkwan@google.com>
7003
7004         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
7005         to avoid a conversion warning on a 32-bit host.
7006
7007 2010-03-24  Ian Lance Taylor  <iant@google.com>
7008
7009         * testsuite/script_test_3.t: Add a TLS segment.
7010         * testsuite/Makefile.am (check_PROGRAMS): Add
7011         tls_phdrs_script_test.
7012         (tls_phdrs_script_test_SOURCES): Define.
7013         (tls_phdrs_script_test_DEPENDENCIES): Define.
7014         (tls_phdrs_script_test_LDFLAGS): Define.
7015         (tls_phdrs_script_test_LDADD): Define.
7016         * testsuite/Makefile.in: Rebuild.
7017
7018 2010-03-23  Cary Coutant  <ccoutant@google.com>
7019
7020         * fileread.cc (find_or_make_view): Fix comment.
7021
7022 2010-03-23  Ian Lance Taylor  <iant@google.com>
7023
7024         * script-sections.cc (class Orphan_section_placement): Define
7025         PLACE_TLS and PLACE_TLS_BSS.
7026         (Orphan_section_placement::Orphan_section_placement): Initialize
7027         new places.
7028         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
7029         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
7030         (tls_script_test_SOURCES): Define.
7031         (tls_script_test_DEPENDENCIES): Define.
7032         (tls_script_test_LDFLAGS): Define.
7033         (tls_script_test_LDADD): Define.
7034         * testsuite/Makefile.in: Rebuild.
7035
7036 2010-03-22  Doug Kwan  <dougkwan@google.com>
7037
7038         * arm.cc (Arm_relocate_functions::abs8,
7039         Arm_relocate_functions::abs16): Use correct check for overflow
7040         specified in the ARM ELF specs.
7041         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
7042         target of a BLX instruction specially.
7043         (Reloc_stub::stub_type_for_reloc): Ditto.
7044         (Relocate::relocate): Use symbolic names instead of numeric relocation
7045         codes to report error.
7046         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
7047         workaround.
7048         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
7049         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
7050         thumb2_blx_out_of_range.stdout
7051         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
7052         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
7053         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
7054         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
7055         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
7056         thumb2_blx_in_range, thumb2_blx_in_range.o,
7057         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
7058         thumb2_blx_out_of_range.o): New rules.
7059         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
7060         thumb2_blx_in_range and thumb2_blx_out_of_range.
7061         * testsuite/Makefile.in: Regenerate.
7062         * arm_branch_in_range.sh: Add tests for THUMB BLX.
7063         * testsuite/thumb_blx_in_range.s: New file.
7064         * testsuite/thumb_blx_out_of_range.s: New file.
7065
7066 2010-03-22  Rafael Espindola  <espindola@google.com>
7067
7068         * archive.cc (Should_include): Move to archive.h.
7069         (should_include_member): Make it a member of Archive.
7070         (Lib_group): New.
7071         (Add_lib_group_symbols): New.
7072         * archive.h: Include options.h.
7073         (Archive_member): Moved from Archive.
7074         (Should_include): Moved from archive.cc.
7075         (Lib_group): New.
7076         (Add_lib_group_symbols): New.
7077         * dynobj.cc (do_should_include_member): New.
7078         * dynobj.h (do_should_include_member): New.
7079         * gold.cc (queue_initial_tasks): Update call to queue.
7080         * main.cc (main): Print lib group stats.
7081         * object.cc (do_should_include_member): New.
7082         * object.h: Include archive.h.
7083         (Object::should_include_member): New.
7084         (Object::do_should_include_member): New.
7085         (Sized_relobj::do_should_include_member): New.
7086         * options.cc (General_options::parse_start_lib): New.
7087         (General_options::parse_end_lib): New.
7088         (Input_arguments::add_file): Handle lib groups.
7089         (Input_arguments::start_group): Check we are not in a lib.
7090         (Input_arguments::start_lib): New.
7091         (Input_arguments::end_lib): New.
7092         * options.h (General_options): Add start_lib and end_lib.
7093         (Input_argument::lib_): New.
7094         (Input_argument::lib): New.
7095         (Input_argument::is_lib): New.
7096         (Input_file_lib): New.
7097         (Input_arguments::in_lib_): New.
7098         (Input_arguments::in_lib): New.
7099         (Input_arguments::start_lib): New.
7100         (Input_arguments::end_lib_): New.
7101         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
7102         in unused members as preempted.
7103         (Sized_pluginobj::do_should_include_member): New.
7104         * plugin.h (Sized_pluginobj::do_should_include_member): New.
7105         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
7106         return the blocker.
7107         (Read_symbols::do_whole_lib_group): New.
7108         (Read_symbols::do_lib_group): New.
7109         (Read_symbols::do_read_symbols): Handle lib groups.
7110         (Read_symbols::get_name): Handle lib groups.
7111         * readsyms.h (Read_symbols): Add an archive member pointer.
7112         (Read_symbols::do_whole_lib_group): New.
7113         (Read_symbols::do_lib_group): New.
7114         (Read_symbols::member_): New.
7115         * script.cc (read_input_script): Update call to queue_soon.
7116
7117 2010-03-19  Doug Kwan  <dougkwan@google.com>
7118
7119         * arm.cc (Stub_table::Stub_table): Initialize new data members
7120         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
7121         (Stub_table::add_reloc_stub): Assign stub offset and update
7122         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
7123         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
7124         New data members.
7125         (Stub_table::update_data_size_and_addralign): Use
7126         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
7127         instead of going over all reloc stubs.
7128         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
7129         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
7130         Stringpool_template::offset_ to size of Stringpool_char.
7131         (Stringpool_template::new_key_offset): Remove code to initialize
7132         Stringpool_template::offset_.
7133         * stringpool.h (Stringpool_template::set_no_zero_null): Set
7134         Stringpool_template::offset_ to zero.
7135
7136 2010-03-15  Doug Kwan  <dougkwan@google.com>
7137
7138         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
7139         offset_.
7140         (Stringpool_template::new_key_offset): New method.
7141         (Stringpool_template::add_string): Assign offsets when adding new
7142         strings.
7143         (Stringpool_template::set_string_offsets): Do not set string offsets
7144         when not optimizing.
7145         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
7146         member size_.
7147         (Chunked_vector::clear): Clear size_.
7148         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
7149         (Chunked_vector::size): Return size_.
7150         (Chunked_vector::push_back): Use size_ to find insert position.
7151         (Chunked_vector::size_): New data member.
7152         (Stringpool_template::set_no_zero_null): Assert string set is empty.
7153         (Stringpool_template::new_key_offset): New method declaration.
7154         (Stringpool_template::offset_): New data member.
7155
7156 2010-03-15   Rafael Espindola  <espindola@google.com>
7157
7158         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
7159         Add_symbols' constructor.
7160         * readsyms.h (Add_symbols): Remove the input_group member.
7161
7162 2010-03-10  Ian Lance Taylor  <iant@google.com>
7163
7164         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
7165         target to ask whether a reference to a symbol requires a stack
7166         split.
7167         * target.h (Target::is_call_to_non_split): New function.
7168         (Target::do_is_call_to_non_split): Declare virtual function.
7169         * target.cc: Include "symtab.h".
7170         (Target::do_is_call_to_non_split): New function.
7171         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
7172
7173 2010-03-10  Cary Coutant  <ccoutant@google.com>
7174
7175         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
7176         (File_read::open[1]): Remove initial mapping of whole_file_view_.
7177         (File_read::open[2]): Add whole_file_view_ to list of views.
7178         (File_read::make_view): Remove test of whole_file_view_.
7179         (File_read::find_or_make_view): Create whole_file_view_ if
7180         necessary.
7181         (File_read::clear_views): Replace bool parameter with enum;
7182         adjust all callers.  Don't delete views with permanent data;
7183         do delete cached views and views from archives if
7184         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
7185         if clearing the corresponding view.
7186         * fileread.h (File_read::Clear_views_mode): New enum.
7187         (File_read::View::is_permanent_view): New method.
7188         (File_read::clear_views): Replace bool parameter
7189         with enum; adjust all callers.
7190         * options.h (General_options): Change keep_files_mapped option;
7191         add map_whole_files.
7192         * readsyms.cc (Add_symbols::run): Delete sd_ object before
7193         releasing the file.
7194         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
7195         the file.
7196
7197 2010-03-10  David S. Miller  <davem@davemloft.net>
7198
7199         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
7200
7201 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
7202
7203         * icf.cc (get_section_contents): Add '@' marker after processing the
7204         merge reloc.
7205
7206 2010-03-08  Doug Kwan  <dougkwan@google.com>
7207
7208         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
7209         due to a conversion warning.
7210         (Arm_relobj::update_output_local_symbol_count): Check for local
7211         symbol with unset output index.
7212
7213 2010-03-05  Ian Lance Taylor  <iant@google.com>
7214
7215         * options.h (class General_options): Add --spare-dynamic-tags.
7216         * output.cc (Output_data_dynamic::set_final_data_size): Implement
7217         --spare-dynamic-tags.
7218
7219 2010-03-05  Ian Lance Taylor  <iant@google.com>
7220
7221         * incremental.cc: Include "libiberty.h".
7222
7223 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
7224
7225         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
7226         function, is_info_ member.
7227         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
7228         (Versions::Versions): Update caller.
7229         (Versions::define_base_version): Likewise.
7230         (Versions::add_def): Likewise.
7231
7232 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
7233
7234         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
7235         (Scan::possible_function_pointer_reloc): New function.
7236         (Scan::local_reloc_may_be_function_pointer): Change to call
7237         possible_function_pointer_reloc.
7238         (Scan::global_reloc_may_be_function_pointer): Ditto.
7239         * icf.h (Icf::check_section_for_function_pointers): Change to reject
7240         relocations in ".data.rel.ro._ZTV" section.
7241         * testsuite/icf_safe_so_test.sh: Change to pass i386.
7242         * testsuite/icf_safe_so_test.cc: Ditto.
7243         * testsuite/icf_safe_test.cc: Ditto.
7244         * testsuite/icf_safe_test.sh: Ditto.
7245
7246 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7247             Ian Lance Taylor  <iant@google.com>
7248
7249         * target-reloc.h (relocate_section): Check the symbol table index
7250         for -1U before setting the local symbol index.
7251         (scan_relocatable_relocs): If copying the relocation, record that
7252         the local symbol is required.
7253         * object.h (Symbol_value::is_output_symtab_index_set): New
7254         function.
7255         (Symbol_value::may_be_discarded_from_output_symtab): New
7256         function.
7257         (Symbol_value::has_output_symtab_entry): New function.
7258         (Symbol_value::needs_output_symtab_entry): Remove.
7259         (Symbol_value::output_symtab_index): Make sure the symbol index is
7260         set.
7261         (Symbol_value::set_output_symtab_index): Make sure the symbol
7262         index is not set.  Make sure the new index is valid.
7263         (Symbol_value::set_must_have_output_symtab_entry): New function.
7264         (Symbol_value::has_output_dynsym_entry): New function.
7265         (Symbol_value::set_output_dynsym_index): Make sure the new index
7266         is valid.
7267         (Sized_relobj::set_must_have_output_symtab_entry): New function.
7268         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
7269         local symbol if permitted.
7270         (Sized_relobj::do_finalize_local_symbols): Call
7271         is_output_symtab_index_set rather than needs_output_symtab_entry.
7272         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
7273         rather than needs_output_symtab_entry.  Call
7274         has_output_dynsym_entry rather than needs_output_dynsym_entry.
7275         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
7276         is_output_symtab_index_set rather than needs_output_symtab_entry.
7277         * testsuite/discard_locals_relocatable_test.c: New file.
7278         * testsuite/discard_locals_test.sh: Test -r.
7279         * testsuite/Makefile.am (check_DATA): Add
7280         discard_locals_relocatable_test1.syms,
7281         discard_local_relocatable_test2.syms.
7282         (MOSTLYCLEANFILES): Likewise.  Also add
7283         discard_locals_relocatable_test1.lout and
7284         discard_locals_relocatable_test2.out.
7285         (discard_locals_relocatable_test1.syms): New target.
7286         (discard_locals_relocatable_test.o): New target.
7287         (discard_locals_relocatable_test1.out): New target.
7288         (discard_locals_relocatable_test2.syms): New target.
7289         (discard_locals_relocatable_test2.out): New target.
7290         (various): Add missing ../ld-new dependencies.
7291         * testsuite/Makefile.in: Rebuild.
7292
7293 2010-03-03  Nick Clifton  <nickc@redhat.com>
7294
7295         * po/fi.po: New Finnish translation.
7296
7297 2010-03-01  Doug Kwan  <dougkwan@google.com>
7298
7299         * layout.cc (Layout::Layout): Force section types of .init_array*,
7300         .preinit_array* and .fini_array* sections.
7301         * output.cc (Output_section::Input_section_sort_entry::has_priority):
7302         Fix check of return value of std::string::find.().
7303         (Output_section::Input_section_sort_compare::operator()): Remove
7304         comment about .init_array.
7305         (Output_section::Input_section_sort_init_fini_compare::operator()):
7306         New method.
7307         (Output_section::sort_attached_input_sections): Handle .init_array
7308         and .fini_array specially.
7309         * output.h (Output_section::Inut_section_sort_compare): Update
7310         comment.
7311         (Output_section::Input_section_sort_init_fini_compare): New struct.
7312
7313 2010-02-26  Doug Kwan  <dougkwan@google.com>
7314
7315         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
7316         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
7317         * testsuite/debug_msg.sh: Avoid matching source line number for
7318         use of global variable undef_int.
7319
7320 2010-02-26  Doug Kwan  <dougkwan@google.com>
7321
7322         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
7323         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
7324         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
7325         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
7326         * options.cc (General_options::General_options): Initialize member
7327         fix_v4bx_.
7328         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
7329         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
7330         and rm_no_fix_v4bx.stdout
7331         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
7332         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
7333         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
7334         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
7335         and arm_no_fix_v4bx.
7336         * Makefile.in: Regenerate.
7337         * testsuite/arm_fix_v4bx.s: New file.
7338         * testsuite/arm_fix_v4bx.sh: Ditto.
7339
7340 2010-02-24  Doug Kwan  <dougkwan@google.com>
7341
7342         * arm.cc (Target_arm::got_section): Make the .got section the first
7343         non RELRO section in the data segment.
7344         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
7345         suffixes of section names.
7346
7347 2010-02-24  Doug Kwan  <dougkwan@google.com>
7348
7349         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
7350         flags and attributes merging if an input file is a binary file.
7351         * fileread.cc (Input_file::open): Record format of original file.
7352         * fileread.h (Input_file::Format): New enum type.
7353         (Input_file::Input_file): Initialize data member format_.
7354         (Input_file::format): New method definition.
7355         (Input_file::format_):: New data member.
7356
7357 2010-02-24  Doug Kwan  <dougkwan@google.com>
7358
7359         * arm.cc (Arm_output_data_got): New class.
7360         (ARM_TCB_SIZE): New constant
7361         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
7362         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
7363         If user uses a script with a SECTIONS clause, issue only a warning
7364         for a misplaced EXIDX input section.  Otherwise, issue an error.
7365         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
7366         garbage collection.
7367         (Target_arm::got_mode_index_entry): Handle static linking.
7368         (Target_arm::Scan::local): Ditto.
7369         (Target_arm::Scan::global): Ditto.
7370         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
7371         all incorrectly implemented relocations.
7372         (Target_arm::fix_exidx_coverage): Pass layout to
7373         Arm_output_section::fix_exidx_coverage.
7374         * layout.cc (Layout::section_name_mapping): Remove trailing dots
7375         from ".ARM.exidx." and ".ARM.extab.".
7376
7377 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7378
7379         * arm.cc (Target_arm::do_finalize_sections): Create attribute
7380         section if it does not already exist.
7381         * attributes.cc (Attributes_section_data::Attributes_section_data):
7382         Don't crash if size is zero.
7383
7384 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7385             Ian Lance Taylor  <iant@google.com>
7386
7387         * gold.cc (queue_middle_tasks): If no input files were opened,
7388         exit.
7389         * workqueue.h (Task_function::Task_function): Assert that there is
7390         a blocker.
7391
7392 2010-02-22  Doug Kwan  <dougkwan@google.com>
7393
7394         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
7395         * icf.cc (get_section_contents): Cast snprintf arguments to long long
7396         types to avoid warnings due to different uint64_t implementations
7397         on different hosts.
7398
7399 2010-02-21  Doug Kwan  <dougkwan@google.com>
7400
7401         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
7402         handling of the maximum backward branch offset.
7403         (Arm_relocate_functions::thumb_branch_common): Ditto.
7404         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
7405         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
7406         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
7407         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
7408         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
7409         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
7410         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
7411         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
7412         thumb_bl_out_of_range thumb_bl_out_of_range.o,
7413         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
7414         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
7415         thumb2_bl_out_of_range.o): New rules.
7416         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
7417         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
7418         thumb2_bl_out_of_range
7419         * testsuite/Makefile.in: Regenerate.
7420         * testsuite/arm_bl_in_range.s: New file.
7421         * testsuite/arm_bl_out_of_range.s: Ditto.
7422         * testsuite/arm_branch_in_range.sh: Ditto.
7423         * testsuite/arm_branch_range.t: Ditto.
7424         * testsuite/thumb2_branch_range.t: Ditto.
7425         * testsuite/thumb_bl_in_range.s: Ditto.
7426         * testsuite/thumb_bl_out_of_range.s: Ditto.
7427         * testsuite/thumb_branch_range.t: Ditto.
7428
7429 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
7430
7431         * gc.h (gc_process_relocs): Change vectors to point to the new list.
7432         Add reloc offset information.
7433         * icf.cc (get_section_contents): Change iterators to point to the new
7434         vectors. Add reloc offset information to the contents.
7435         * icf.h (Icf::Sections_reachable_info): New typedef.
7436         (Icf::Sections_reachable_list): New typedef.
7437         (Icf::Offset_info): New typedef.
7438         (Icf::Reloc_info): New struct typedef.
7439         (Icf::Reloc_info_list): New typedef.
7440         (Icf::symbol_reloc_list): Delete method.
7441         (Icf::addend_reloc_list): Delete method.
7442         (Icf::section_reloc_list): Delete method.
7443         (Icf::reloc_info_list): New method.
7444         (Icf::reloc_info_list_): New member.
7445
7446 2010-02-19  Doug Kwan  <dougkwan@google.com>
7447
7448         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
7449         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
7450         * arm.cc (Arm_relocation_functions): New forward declaration.
7451         (Target_arm::Target_arm): Initialize new data members
7452         got_mod_index_offset_ and tls_base_symbol_defined_.
7453         (Target_arm::Relocate::relocate_tls): New method.
7454         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
7455          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
7456         New methods.
7457         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
7458         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
7459         (Target_arm::got_mod_index_offset_,
7460         Target_arm::tls_base_symbol_defined_): New data members.
7461         (Target_arm::Scan::local, Target::Scan::global,
7462         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
7463         relocations.
7464
7465 2010-02-18  Doug Kwan  <dougkwan@google.com>
7466
7467         * arm.cc (Arm_relobj::find_linked_text_section): New method.
7468         (Arm_relobj::make_exidx_input_section): Pass section index of linked
7469         text section as a parameter becuase some broken tools may not set
7470         the link in section header.
7471         (Target_arm::has_got_section): New method.
7472         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
7473         without any mapping symbol as data only.  Remove warning.
7474         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
7475         link in its section header, try to discover the link by inspecting the
7476         REL31 relocation at the beginning of the section.
7477         (Target_arm::Scan::check_non_pic): Report name of offending relocation
7478         in error message.
7479         (Target_arm::Scan::global): Treat any reference to the symbol
7480         _GLOBAL_OFFSET_TABLE_ as a GOT access.
7481
7482 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
7483
7484         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
7485         (Scan::global_reloc_may_be_function_pointer): New function.
7486         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7487         (Scan::global_reloc_may_be_function_pointer): New function.
7488         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
7489         (Scan::global_reloc_may_be_function_pointer): New function.
7490         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
7491         (Scan::global_reloc_may_be_function_pointer): New function.
7492         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
7493         (Scan::global_reloc_may_be_function_pointer): New function.
7494         (Scan::possible_function_pointer_reloc): New function.
7495         (Target_x86_64::can_check_for_function_pointers): New function.
7496         * gc.h (gc_process_relocs): Scan relocation types to determine if
7497         function pointers were taken for targets that support it.
7498         * icf.cc (Icf::find_identical_sections): Include functions for
7499         folding in safe ICF whose pointer is not taken.
7500         * icf.h (Secn_fptr_taken_set): New typedef.
7501         (fptr_section_id_): New member.
7502         (section_has_function_pointers): New function.
7503         (set_section_has_function_pointers): New function.
7504         (check_section_for_function_pointers): New function.
7505         * options.h: Fix comment for safe ICF option.
7506         * target.h (can_check_for_function_pointers): New function.
7507         * testsuite/Makefile.am: Add icf_safe_so_test test case.
7508         Modify icf_safe_test for X86-64.
7509         * testsuite/Makefile.in: Regenerate.
7510         * testsuite/icf_safe_so_test.cc: New file.
7511         * testsuite/icf_safe_so_test.sh: New file.
7512         * testsuite/icf_safe_test.cc (kept_func_3): New function.
7513         (main): Change to take pointer to function kept_func_3.
7514         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
7515         folding is done correctly for X86-64.
7516
7517 2010-02-12  David S. Miller  <davem@davemloft.net>
7518
7519         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
7520         is_symbolless parameter.
7521         (Output_reloc<SHT_REL>::is_symbolless): New.
7522         (Output_reloc<SHT_REL>::is_symbolless_): New.
7523         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
7524         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
7525         (Output_reloc<SHT_RELA>::is_symbolless): New.
7526         (Output_data_reloc::add_global): Handle is_symbolless.
7527         (Output_data_reloc::add_global_relative): Likewise.
7528         (Output_data_reloc::add_local): Likewise.
7529         (Output_data_reloc::add_local_relative): Likewise.
7530         (Output_data_reloc::add_symbolless_global_addend): New.
7531         (Output_data_reloc::add_symbolless_local_addend): New.
7532         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
7533         is_symbolless.
7534         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
7535         instead of ->is_relative_
7536         (Output_reloc::write): Likewise.
7537         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
7538         (Output_reloc::write_rel): Simplify.
7539
7540         * sparc.cc (Target_sparc::Scan::local): Use
7541         ->add_symbolless_local_addend as needed.
7542         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
7543         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
7544         based upon relocation offset.
7545
7546 2010-02-11  Doug Kwan  <dougkwan@google.com>
7547
7548         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
7549         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
7550         beginning of function.
7551         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
7552         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
7553         parameter is_32bit in calls to should_apply_static_reloc.
7554         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
7555         (check_DATA): Add arm_abs_global.stdout.
7556         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
7557         arm_abs_global.stdout): New rules.
7558         (MOSTLLYCLEANFILES): Add arm_abs_global
7559         * Makefile.in: Regenerate.
7560         * testsuite/arm_abs_global.s: New file.
7561         * testsuite/arm_abs_global.sh: Ditto.
7562         * testsuite/arm_abs_lib.s: Ditto.
7563
7564 2010-02-11  Ian Lance Taylor  <iant@google.com>
7565
7566         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
7567         Read_relocs task.
7568         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
7569         Allocate_commons_task first.
7570         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
7571         task, rather than symtab_lock_.
7572         (Gc_process_relocs::~Gc_process_relocs): New function.
7573         (Gc_process_relocs::is_runnable): Check this_blocker_.
7574         (Gc_process_relocs::locks): Use next_blocker_ rather than
7575         blocker_.
7576         (Scan_relocs::~Scan_relocs): New function.
7577         (Scan_relocs::is_runnable): Check this_blocker_ rather than
7578         symtab_lock_.
7579         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
7580         next_blocker_.
7581         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
7582         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
7583         constructor accordingly.
7584         (class Gc_process_relocs): Likewise.
7585         (class Scan_relocs): Likewise.
7586         * common.h (class Allocate_commons_task): Remove symtab_lock_
7587         field, and corresponding constructor parameter.
7588         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
7589         symtab_lock_.
7590         (Allocate_commons_task::locks): Likewise.
7591
7592 2010-02-11  Ian Lance Taylor  <iant@google.com>
7593
7594         * gold-threads.h (class Once): Define.
7595         (class Initialize_lock): Rewrite as child of Once.
7596         * gold-threads.cc (class Once_initialize): Define.
7597         (once_pointer_control): New static variable.
7598         (once_pointer, once_arg): New static variables.
7599         (c_run_once): New static function.
7600         (Once::Once, Once::run_once, Once::internal_run): New functions.
7601         (class Initialize_lock_once): Remove.
7602         (initialize_lock_control): Remove.
7603         (initialize_lock_pointer): Remove.
7604         (initialize_lock_once): Remove.
7605         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
7606         (Initialize_lock::initialize): Rewrite.
7607         (Initialize_lock::do_run_once): New function.
7608         * archive.cc (Archive::interpret_header): Only clear name if it is
7609         not already empty.
7610         * fileread.cc: Include "gold-threads.h"
7611         (file_counts_lock): New static variable.
7612         (file_counts_initialize_lock): Likewise.
7613         (File_read::release): Only increment counts when using --stats.
7614         Use a lock around the increment.
7615         * parameters.cc (class Set_parameters_target_once): Define.
7616         (set_parameters_target_once): New static variable.
7617         (Parameters::Parameters): Move here from parameters.h.
7618         (Parameters::set_target): Rewrite.
7619         (Parameters::set_target_once): New function.
7620         (Parameters::clear_target): Move here and rewrite.
7621         * parameters.h (class Parameters): Update declarations.  Add
7622         set_parameters_target_once_ field.
7623         (Parameters::Parameters): Move to parameters.cc.
7624         (Parameters::clear_target): Likewise.
7625         * readsyms.cc (Read_symbols::do_group): Create a Start_group
7626         task.
7627         (Start_group::~Start_group): New function.
7628         (Start_group::is_runnable): New function.
7629         (Start_group::locks, Start_group::run): New functions.
7630         (Finish_group::run): Change saw_undefined to size_t.
7631         * readsyms.h (class Start_group): Define.
7632         (class Finish_group): Change saw_undefined_ field to size_t.
7633         (Finish_group::Finish_group): Remove saw_undefined and
7634         this_blocker parameters.  Change all callers.
7635         (Finish_group::set_saw_undefined): New function.
7636         (Finish_group::set_blocker): New function.
7637         * symtab.h (class Symbol_table): Change saw_undefined to return
7638         size_t.  Change saw_undefined_ field to size_t.
7639         * target-select.cc (Set_target_once::do_run_once): New function.
7640         (Target_selector::Target_selector): Initialize set_target_once_
7641         field.  Don't initialize lock_ and initialize_lock_ fields.
7642         (Target_selector::instantiate_target): Rewrite.
7643         (Target_selector::set_target): New function.
7644         * target-select.h (class Set_target_once): Define.
7645         (class Target_selector): Update declarations.  Make
7646         Set_target_once a friend.  Remove lock_ and initialize_lock_
7647         fields.  Add set_target_once_ field.
7648
7649 2010-02-10  Ian Lance Taylor  <iant@google.com>
7650
7651         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
7652         queueing any tasks.
7653         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
7654         (queue_middle_tasks): Add all blockers before queueing any tasks.
7655         (queue_final_tasks): Likewise.
7656         * token.h (Task_token::add_blockers): New function.
7657         * object.h (Input_objects::number_of_relobjs): New function.
7658
7659 2010-02-10  Ian Lance Taylor  <iant@google.com>
7660
7661         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
7662         shared, not if not position independent.
7663         * x86_64.cc (Relocate::relocate_tls): Likewise.
7664         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
7665         (tls_pie_pic_test): New target.
7666         * testsuite/Makefile.in: Rebuild.
7667
7668         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
7669         (tls_test_main_pie.o, tls_test_pie.o): New targets.
7670         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
7671         * testsuite/Makefile.in: Rebuild.
7672
7673 2010-02-09  David S. Miller  <davem@davemloft.net>
7674
7675         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
7676         R_SPARC_RELATIVE using ->add_local_relative().
7677         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
7678
7679         * output.h (Output_data_dynamic::add_section_size): New method
7680         that takes two Output_data objects.
7681         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
7682         entry param.  Handle it in initializers.
7683         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
7684         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
7685         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
7686         arg.
7687         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
7688         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
7689         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
7690         for dynrel_includes_plt.
7691         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7692         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7693         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
7694         before .rela.plt
7695         (Target_sparc::do_finalize_sections): Update to pass true for
7696         dynrel_includes_plt.
7697         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
7698         output before .rela.plt
7699         (Target_powerpc::do_finalize_sections): Update to pass true for
7700         dynrel_includes_plt when 32-bit.
7701
7702 2010-02-08  Doug Kwan  <dougkwan@google.com>
7703
7704         * arm.cc (Arm_relobj::simple_input_section_output_address): New
7705         method.
7706         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
7707         Arm_relobj::scan_section_for_cortex_a8_stubs,
7708         Arm_relobj::do_relocation_section): Instead of calling
7709         Output_section::output_address, use faster
7710         Arm_relobj::simple_input_section_output_address.
7711
7712 2010-02-08  David S. Miller  <davem@davemloft.net>
7713
7714         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
7715         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
7716         relocation helper function.
7717
7718         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
7719         just like R_SPARC_GOT{10,13,22}.
7720         (Target_sparc::Scan::local): Likewise.
7721         (Target_sparc::Relocate:relocate): Likewise.
7722
7723 2010-02-06  Ian Lance Taylor  <iant@google.com>
7724
7725         * configure.ac: Rewrite targetobjs duplicate removal code to use
7726         only shell constructs.
7727         * configure: Rebuild.
7728
7729 2010-02-05  Doug Kwan  <dougkwan@google.com>
7730
7731         PR 11247
7732         * arm.cc (Arm_relobj::section_is_scannable): New method.
7733         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
7734         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
7735
7736 2010-02-04  Doug Kwan  <dougkwan@google.com>
7737
7738         PR 11247
7739         * arm-reloc-property.cc (cstdio): Include.
7740         * configure.ac (targetobjs): Remove duplicates.
7741         * configure: Regenerate.
7742         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
7743         big and little endian version for a given address size.
7744
7745 2010-02-03  Doug Kwan  <dougkwan@google.com>
7746
7747         * arm-reloc-property.cc
7748         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7749         definition.
7750         * arm-reloc-property.h
7751         (Arm_reloc_property_table::get_implemented_static_reloc_property):
7752         New method definition.
7753         (Arm_reloc_property_table::reloc_name_in_error_message): New method
7754         declaration.
7755         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
7756         overflow to N.
7757         (GOT_PREL): Change implemented to Y.
7758         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
7759         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
7760         (Arm_relocate_functions::movw_abs_nc): Remove method.
7761         (Arm_relocate_functions::movt_abs): Ditto.
7762         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
7763         (Arm_relocate_functions::thm_movt_abs): Ditto.
7764         (Arm_relocate_functions::movw_rel_nc): Ditto.
7765         (Arm_relocate_functions::movw_rel): Ditto.
7766         (Arm_relocate_functions::movt_rel): Ditto.
7767         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
7768         (Arm_relocate_functions:thm_movw_rel): Ditto.
7769         (Arm_relocate_functions:thm_movt_rel): Ditto.
7770         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
7771         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
7772         New method definitions.
7773         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
7774         (Arm_relocation_functions::arm_grp_ldr): Ditto.
7775         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
7776         (Arm_relocation_functions::arm_grp_ldc): Ditto.
7777         (Target_arm::Relocate::relocate): Check for non-static or
7778         unimplemented relocation code and exit early.  Change calls to
7779         Target_arm::reloc_uses_thumb_bit and
7780         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
7781         instead.  Refactor code to handle similar relocations to increase
7782         code sharing.  Remove check for unsupported relocation code in switch
7783         statement.
7784         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
7785         relocation property table to find out size.  Change error message to
7786         print out the name of a relocation code instead of the numeric value.
7787         (Target_arm::scan_reloc_for_stub): Use relocation property table
7788         instead of calling Target_arm::reloc_uses_thumb_bit().
7789
7790 2010-02-02  Doug Kwan  <dougkwan@google.com>
7791
7792         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
7793         types of relaxed input section.
7794
7795 2010-02-02  Doug Kwan  <dougkwan@google.com>
7796
7797         * Makefile.am (HFILES): Add arm-reloc-property.h.
7798         (DEFFILES): New.
7799         (TARGETSOURCES): Add arm-reloc-property.cc
7800         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
7801         (libgold_a_SOURCES): $(DEFFILES)
7802         * Makefile.in: Regenerate.
7803         * arm-reloc-property.cc: New file.
7804         * arm-reloc-property.h: New file.
7805         * arm-reloc.def: New file.
7806         * arm.cc: Update comments.
7807         (arm-reloc-property.h): New included header.
7808         (arm_reloc_property_table): New global variable.
7809         (Target_arm::do_select_as_default_target): New method definition.
7810         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
7811         arm-reloc-property to targ_extra_obj.
7812         * parameters.cc (set_parameters_target): Call
7813         Target::select_as_default_target().
7814         * target.h (Target::select_as_default_target): New method definition.
7815         (Target::do_select_as_default_target): Same.
7816
7817 2010-02-01  Doug Kwan  <dougkwan@google.com>
7818
7819         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
7820         first_output_text_section_.
7821         (Arm_exidx_fixup::first_output_text_section): New method definition.
7822         (Arm_exidx_fixup::first_output_text_section_): New data member.
7823         (Arm_exidx_fixup::process_exidx_section): Record the first text
7824         output section seen.
7825         (Arm_output_section::fix_exidx_coverage): Set correct linked section
7826         and entsize in output section header.
7827
7828 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7829
7830         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
7831         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
7832         (Arm_relocate_functions::thm_alu11): New Method.
7833         (Arm_relocate_functions::thm_pc8): New Method.
7834         (Arm_relocate_functions::thm_pc12): New Method.
7835         (Target_arm::Scan::local): Handle the relocations.
7836         (Target_arm::Scan::global): Likewise.
7837         (Target_arm::Relocate::relocate): Likewise.
7838         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7839
7840 2010-01-29  Doug Kwan  <dougkwan@google.com>
7841
7842         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
7843         of relocation types as ld.
7844
7845 2010-01-29  Doug Kwan  <dougkwan@google.com>
7846
7847         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
7848         to public.
7849         (Arm_relocate_functions::thumb_branch_common): Ditto.
7850         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
7851         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
7852         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
7853         Arm_relocate_functions::jump24): Remove.
7854         (Target_arm::Relocate::relocate): Adjust code to call
7855         Arm_relocation_functions::arm_branch_common and
7856         Arm_relocation_functions::thumb_branch_common instead of their removed
7857         wrappers.  Merge switch-cases together to reduce source code size.
7858
7859 2010-01-29  Doug Kwan  <dougkwan@google.com>
7860
7861         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
7862         output_local_symbol_count_needs_update_.
7863         (Arm_relobj::output_local_symbol_count_needs_update,
7864          Arm_relobj::set_output_local_symbol_count_needs_update,
7865          Arm_relobj::update_output_local_symbol_count): New methods.
7866         (Arm_relobj::output_local_symbol_count_needs_update_): New data
7867         member.
7868         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
7869         of pointed function as in a R_ARM_PREL31 relocation.
7870         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
7871         for output local symbol count updating.
7872         (Target_arm::do_relax): Update output local symbol counts in objects
7873         if necessary.
7874         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
7875
7876 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7877
7878         * arm.cc: Added support for the ARM relocations:
7879         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
7880         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
7881         (Arm_relocate_functions::movw_rel_nc): Renamed (was
7882         movw_prel_nc).
7883         (Arm_relocate_functions::movw_rel): New method.
7884         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
7885         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
7886         thm_movw_prel_nc).
7887         (Arm_relocate_functions::thm_movw_rel): New method.
7888         (Arm_relocate_functions::thm_movt_rel): Renamed (was
7889         thm_movt_prel).
7890         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
7891         relocations.
7892         (Target_arm::Scan::global): Likewise.
7893         (Target_arm::Relocate::relocate): Likewise.
7894         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7895         Likewise.
7896
7897 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7898
7899         * arm.cc: Added support for ARM group relocations.
7900         (Target_arm::reloc_needs_sym_origin): New method.
7901         (Arm_relocate_functions::calc_grp_kn): New method.
7902         (Arm_relocate_functions::calc_grp_residual): New method.
7903         (Arm_relocate_functions::calc_grp_gn): New method.
7904         (Arm_relocate_functions::arm_grp_alu): New Method.
7905         (Arm_relocate_functions::arm_grp_ldr): New Method.
7906         (Arm_relocate_functions::arm_grp_ldrs): New Method.
7907         (Arm_relocate_functions::arm_grp_ldc): New Method.
7908         (Target_arm::Scan::local): Handle the ARM group relocations.
7909         (Target_arm::Scan::global): Likewise.
7910         (Target_arm::Relocate::relocate): Likewise.
7911         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7912         Likewise.
7913
7914 2010-01-26  Doug Kwan  <dougkwan@google.com>
7915
7916         * arm.cc (set): Include.
7917         (class Arm_exidx_fixup): Change type of last_input_section_ to const
7918         pointer type.
7919         (Arm_output_section::Text_section_list): New type.
7920         (Arm_output_section::append_text_sections_to_list): New method.
7921         (Arm_output_section::fix_exidx_coverage): Ditto.
7922         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
7923         (Arm_relobj::convert_input_section_to_relaxed_section): Use
7924         Relobj::set_section_offset() instead of
7925         Sized_relobj::invalidate_section_offset().
7926         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
7927         parameter for section headers. Ignore relocation sections for
7928         unallocated sections and EXIDX sections.
7929         (Target_arm::fix_exidx_coverage): New method.
7930         (Target_arm::output_section_address_less_than): New type.
7931         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
7932         linked text section instead of the EXIDX section.
7933         (Arm_output_section::create_stub_group): Add an assertion to check
7934         that this is not an EXIDX output section.
7935         (Arm_output_section::append_text_sections_to_list): New method.
7936         (Arm_output_section::fix_exidx_coverage): Ditto.
7937         (Arm_relobj::scan_sections_for_stubs): Adjust call to
7938         Arm_relobj::section_needs_reloc_stub_scanning.
7939         (Target_arm::do_relax): Fix EXIDX output section coverage in the
7940         first pass.
7941         (Target_arm::fix_exidx_coverage): New method.
7942         * object.h (Relobj::set_output_section): New method.
7943         (Sized_relobj::invalidate_section_offset): Remove method.
7944         (Sized_relobj::do_invalidate_section_offset): Remove method.
7945         (Sized_relobj::do_set_section_offset): Handle offset value -1.
7946
7947 2010-01-25  Doug Kwan  <dougkwan@google.com>
7948
7949         * arm.cc (Arm_exidx_merged_section::do_output_offset):
7950         Fix warning due to signed and unsigned comparison on a 32-bit host.
7951
7952 2010-01-22  Doug Kwan  <dougkwan@google.com>
7953
7954         * arm.cc (Target_arm::do_relax): Record an output section for section
7955         offset adjustment it contains any stub table that has changed.
7956         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
7957         offsets in an output section if necessary.
7958         * output.cc (Output_section::Output_section): Initialize
7959         section_offsets_need_adjustments_.
7960         (Output_section::add_input_section_for_script): Renamed to
7961         Output_section::add_simple_input_section.
7962         (Output_section::save_states): Add a comment.
7963         (Output_section::discard_states): New method defintion.
7964         (Output_section::adjust_section_offsets): Same.
7965         * output.h (Output_section::add_input_section_for_script): Renamed to
7966         Output_section::add_simple_input_section.
7967         (Output_section::discard_states): New method declaration.
7968         (Output_section::adjust_section_offsets): Same.
7969         (Output_section::section_offsets_need_adjustment,
7970         Output_section::set_section_offsets_need_adjustment): New method
7971         definitions.
7972         (Output_section::section_offsets_need_adjustment_): New data member.
7973         * script-sections.cc
7974         (Output_section_element_input::set_section_address): Adjust code for
7975         renaming of Output_section::add_input_section_for_script.
7976         (Orphan_output_section::set_section_address): Same.
7977
7978 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7979
7980         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
7981         Fix_v4bx enum values .
7982         * gold/options.h (General_options): New option definitions.
7983         (General_options::fix_v4bx): New method.
7984         (General_options::Fix_v4bx): New enum.
7985         * gold/options.cc (General_options::parse_fix_v4bx): New method.
7986         (General_options::parse_fix_v4bx_interworking): New method.
7987
7988 2010-01-22  Doug Kwan  <dougkwan@google.com>
7989
7990         * arm.cc (Arm_exidx_fixup): New class.
7991
7992 2010-01-21  Doug Kwan  <dougkwan@google.com>
7993
7994         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
7995         classes.
7996         (Arm_exidx_section_offset_map): New type.
7997
7998 2010-01-21  Doug Kwan  <dougkwan@google.com>
7999
8000         * arm.cc (Arm_exidx_input_section): New class.
8001         (Arm_relobj::exidx_input_section_by_link,
8002         Arm_relobj::exidx_input_section_by_shndx,
8003         Arm_relobj::make_exidx_input_section): New methods.
8004         (read_arm_attributes_section): Remove.
8005         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
8006         information about them.
8007         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
8008         to here.
8009
8010 2010-01-20  Doug Kwan  <dougkwan@google.com>
8011
8012         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
8013         Input_section_specifier to Section_id.
8014         (Target_arm::new_arm_input_section: Adjust code for change of key
8015         type.
8016         (Target_arm::find_arm_input_section): Ditto.
8017         * gc.h (object.h): Include for Section_id nand Section_id_hash.
8018         (Section_id): Remove.
8019         (Garbage_collection::Section_id_hash): Remove.
8020         * icf.h (object.h): Include for Section_id nand Section_id_hash.
8021         (Section_id): Remove.
8022         (Icf::Section_id_hash): Remove.
8023         * object.h (Section_id, Const_section_id, Section_id_hash,
8024         Const_section_id_hash): New type definitions.
8025         * output.cc (Output_section::add_relaxed_input_section): Change to
8026         use Const_section_id instead of Input_section_specifier as key type.
8027         (Output_section::add_merge_input_section): Ditto.
8028         (Output_section::build_relaxation_map): Change to use Section_id
8029         instead of Input_section_specifier as key type.
8030         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8031         Ditto.
8032         (Output_section::convert_input_sections_to_relaxed_sections): Change
8033         to use Const_section_id instead of Input_section_specifier as key type.
8034         (Output_section::find_merge_section): Ditto.
8035         (Output_section::find_relaxed_input_section): Ditto.
8036         * output.h (Input_section_specifier): Remove class.
8037         (Output_section::Output_section_data_by_input_section_map): Change
8038         key type to Const_section_id.
8039         (Output_section::Output_relaxed_input_section_by_input_section_map):
8040         Ditto.
8041         (Output_section::Relaxation_map): Change key type to Section_id.
8042
8043 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8044
8045         * gold/arm.cc: Added support for R_ARM_V4BX relocation
8046         (class Arm_v4bx_stub): New class.
8047         (DEF_STUBS): Updated definition to support v4_veneer_bx.
8048         (Stub_factory::make_arm_v4bx_stub): New method.
8049         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
8050         (Stub_table::empty): Handle v4bx stubs.
8051         (Stub_table::add_arm_v4bx_stub): New method.
8052         (Stub_table::find_arm_v4bx_stub): New method.
8053         (Arm_relocate_functions::v4bx): New method.
8054         (Target_arm::fix_v4bx): New method.
8055         (Target_arm::Target_arm): Handle R_ARM_V4BX.
8056         (Stub_table::relocate_stubs): Likewise.
8057         (Stub_table::do_write): Likewise.
8058         (Stub_table::update_data_size_and_addralign): Likewise.
8059         (Stub_table::finalize_stubs):  Likewise.
8060         (Target_arm::Scan::local): Likewise.
8061         (Target_arm::Scan::global): Likewise.
8062         (Target_arm::do_finalize_sections): Likewise.
8063         (Target_arm::Relocate::relocate): Likewise.
8064         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8065         Likewise.
8066         (Target_arm::scan_reloc_for_stub): Likewise.
8067         (Target_arm::scan_reloc_section_for_stubs): Likewise.
8068
8069 2010-01-19  Ian Lance Taylor  <iant@google.com>
8070
8071         * output.cc (Output_section_headers::do_sized_write): Write large
8072         segment count to sh_info field.
8073         (Output_file_header::do_sized_write): For large segment count,
8074         write PN_XNUM to e_phnum field.
8075
8076 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8077
8078         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
8079         (Arm_relocate_functions::thm_jump8): New function.
8080         (Arm_relocate_functions::thm_jump11): New function.
8081         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
8082         R_ARM_THM_JUMP11.
8083         (Target_arm::Scan::global): Likewise.
8084         (Target_arm::Relocate::relocate): Likewise.
8085         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8086         Likewise.
8087
8088 2010-01-14  Doug Kwan  <dougkwan@google.com>
8089
8090         * arm.cc (map, utility): Include headers.
8091         (Target_arm::apply_cortex_a8_workaround): New method.
8092         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
8093         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
8094         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
8095         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
8096         the --[no-]fix-cortex-a8 command line options.
8097         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
8098         (Target_arm::relocate_stub): Use addend in instruction template.
8099         * options.h (DEFINE_bool): Set the user-set flag.
8100         (General_options): Add --[no-]-fix-cortex options.
8101         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
8102         : Update fast look-up map after conversion.
8103
8104 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
8105
8106         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
8107         in the first pass of do_layout.
8108
8109 2010-01-13  Doug Kwan  <dougkwan@google.com>
8110
8111         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
8112         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
8113         apparent compiler problem of not folding static constant integral
8114         data members of elfcpp::Elf_sizes<32>.
8115
8116 2010-01-13  Doug Kwan  <dougkwan@google.com>
8117
8118         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
8119         Arm_relobj::section_needs_cortex_a8_stub_scanning,
8120         Arm_relobj::scan_section_for_cortex_a8_erratum,
8121         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
8122         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
8123         sections to scan for relocation stubs into a new method
8124         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
8125         relocation and Cortex-A8 stub scanning.
8126         (Target_arm::do_relax): Force stubs to be after stubbed sections
8127         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
8128         the beginning of a new relaxation pass.  Update a comment.
8129         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
8130
8131 2010-01-12  Ian Lance Taylor  <iant@google.com>
8132
8133         * target-reloc.h (visibility_error): New inline function.
8134         (relocate_section): Call visibility_error.
8135         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
8136         (MOSTLYCLEANFILES): Likewise.
8137         (protected_4_pic.o, protected_3.err): New targets.
8138         * testsuite/protected_4.cc: New file.
8139
8140 2010-01-12  Doug Kwan  <dougkwan@google.com>
8141
8142         * arm.cc (Cortex_a8_reloc): New class.
8143         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
8144         and cortex_a8_relocs_info_.
8145         (Target_arm::fix_cortex_a8): New method definition.
8146         (Target_arm::Cortex_a8_relocs_info): New type.
8147         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
8148         New data member declarations.
8149         (Target_arm::scan_reloc_for_stub): Record information about
8150         relocations for THUMB branches that might be exempted from the
8151         Cortex-A8 workaround.
8152         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
8153         at the beginning of a relaxation pass.
8154
8155 2010-01-12  Doug Kwan  <dougkwan@google.com>
8156
8157         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
8158         (Arm_relobj::Mapping_symbol_position,
8159          Arm_reloj::Mapping_symbol_position_less,
8160          Arm_relobj::Mapping_symbols_info): New types.
8161         (Target_arm::is_mapping_symbol_name): New method definition.
8162         (Arm_relobj::do_count_local_symbols): Save information about mapping
8163         symbols.
8164
8165 2010-01-11  Doug Kwan  <dougkwan@google.com>
8166
8167         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
8168         Arm_relocate_functions::thumb32_branch_upper,
8169         Arm_relocate_functions::thumb32_branch_lower,
8170         Arm_relocate_functions::thumb32_cond_branch_offset,
8171         Arm_relocate_functions::thumb32_cond_branch_upper,
8172         Arm_relocate_functions::thumb32_cond_branch_lower,
8173         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
8174         branch offset encoding.
8175         (Arm_relocate_functions::thumb_branch_common): Use new branch
8176         offset encoding methods to avoid code duplication.
8177         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
8178         (Stub_addend_reader::operator()): Use new branch encoding method
8179         to avoid code duplication.
8180
8181 2010-01-11  Doug Kwan  <dougkwan@google.com>
8182
8183         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
8184         (Target_arm::do_finalize_sections): Define special EXIDX section
8185         symbols only if referenced.
8186         * gc.h (Garbage_collection::add_reference): New method.
8187         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
8188         code duplication.
8189
8190 2010-01-11  Ian Lance Taylor  <iant@google.com>
8191
8192         * script.cc (Version_script_info::build_expression_list_lookup):
8193         Change complaing about duplicate wildcard match from error to
8194         warning.
8195
8196         * script.cc (class Lazy_demangler): Recreate--revert part of patch
8197         of 2009-12-30.
8198         (Version_script_info::Version_script_info): Initialize globs_,
8199         default_version_, default_is_global_, and exact_.  Don't
8200         initialize globals_ or locals_.
8201         (Version_script_info::build_lookup_tables): Build local symbols
8202         first.
8203         (Version_script_info::unquote): New function.
8204         (Version_script_info::add_exact_match): New function.
8205         (Version_script_info::build_expression_list_lookup): Remove lookup
8206         parameter.  Add is_global parameter.  Change all callers.  Handle
8207         wildcard pattern specially.  Unquote pattern.  Call
8208         add_exact_match.
8209         (Version_script_info::get_name_to_match): New function.
8210         (Version_script_info::get_symbol_version): New function.
8211         (Version_script_info::get_symbol_version_helper): Remove.
8212         (Version_script_info::check_unmatched_names): Call unquote.
8213         * script.h (class Version_script_info): Change get_symbol_version
8214         to be non-inline and add is_global parameter; change all callers.
8215         Rewrite symbol_is_local.  Update declarations.  Define struct
8216         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
8217         Remove globals_ and locals_ members.  Add exact_, globs_,
8218         default_version_, is_global_.
8219         (Version_script_info::Glob): Remove pattern, add expression and
8220         is_global.  Update constructor.  Change all callers.
8221         * dynobj.cc (Versions::finalize): Mark the version symbol as the
8222         default version.
8223         (Versions::symbol_section_contents): If a symbol is undefined, or
8224         defined in a dynamic object, set the version index to
8225         VER_NDX_LOCAL.
8226         * symtab.cc (Symbol_table::add_from_relobj): Don't call
8227         symbol_is_local.
8228         (Symbol_table::add_from_pluginobj): Likewise.
8229         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
8230
8231 2010-01-11  Doug Kwan  <dougkwan@google.com>
8232
8233         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
8234         (incremental_dump_LDADD): Add linking option for libintl.
8235         * Makefile.in: Regenerate.
8236
8237 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
8238
8239         PR gold/11144
8240         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
8241         instead of -Ds.
8242         * testsuite/Makefile.in: Regenerated.
8243
8244 2010-01-10  Doug Kwan  <dougkwan@google.com>
8245
8246         * options.h (DEFINE_var): Use parentheses around argument varname__
8247         in macro body to avoid any unintended subsequent substitutions.
8248
8249 2010-01-10  Ian Lance Taylor  <iant@google.com>
8250
8251         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
8252         candidates before doing symbol resolution.
8253
8254         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
8255         ODR candidates if only one is weak.
8256
8257 2010-01-08  Ian Lance Taylor  <iant@google.com>
8258
8259         * script.cc (Version_script_info::build_expression_list_lookup):
8260         Don't warn about ambiguous version, just record the ambiguity.
8261         (Version_script_info::get_symbol_version_helper): Give error if
8262         version is ambiguous.
8263
8264 2010-01-08  Doug Kwan  <dougkwan@google.com>
8265
8266         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
8267         prev_data_size_ and prev_addralign_.  Remove initializer for
8268         deleted data member has_been_changed_.
8269         (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
8270         to determine if the table is empty.
8271         (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
8272         Remove.
8273         (Stub_table::add_reloc_stub): Define method in class definition
8274         instead of just declaring it there.
8275         (Stub_table::add_cortex_a8_stub): New method definition.
8276         (Stub_table::update_data_size_and_addralign): Ditto.
8277         (Stub_table::finalize_stubs): Ditto.
8278         (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
8279         (Stub_table::do_addralign_): Return address alignment in the
8280         (Stub_table::do_reset_address_and_file_offset): Define method in
8281         class definition instead of declaring it there.  Set current data
8282         size to be the data size of the previous pass.
8283         (Stub_table::set_final_data_size): Use current data size as the
8284         final data size.
8285         (Stub_table::relocate_stub): Change parameter type of stub from
8286         Reloc_stub pointer to Stub pointer.
8287         (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
8288         (Stub_table::Cortex_a8_stub_list): New typedef.
8289         (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
8290          Stub_table::prev_addralign_): New data member.
8291         (Arm_relobj::Arm_relobj): Initialize data member
8292         section_has_cortex_a8_workaround_.
8293         (Arm_relobj::section_has_cortex_a8_workaround,
8294          Arm_relobj::mark_section_for_cortex_a8_workaround): New method
8295          definitions.
8296         (Arm_relobj::section_has_cortex_a8_workaround_): New data member
8297         declarations.
8298         (Target_arm::relocate_stub): Change parameter type of stub from
8299         Reloc_stub pointer to Stub pointer.
8300         (Insn_template::size, Insn_template::alignment): Handle
8301         THUMB16_SPECIAL_TYPE.
8302         (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
8303          Stub_table::update_data_size_and_addralign,
8304          Stub_table::apply_cortex_a8_workaround_to_address_range): New method
8305         definitions.
8306         (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
8307         (Stub_table::do_write): Ditto.
8308         (Target_arm::do_relax): Adjust code for changes in Stub_table.
8309
8310 2010-01-08  Ian Lance Taylor  <iant@google.com>
8311
8312         PR 11108
8313         * symtab.h (class Symbol): Remove fields is_target_special_ and
8314         has_plt_offset_.  Add field is_defined_in_discarded_section_.
8315         (Symbol::is_defined_in_discarded_section): New function.
8316         (Symbol::set_is_defined_in_discarded_section): New function.
8317         (Symbol::has_plt_offset): Rewrite.
8318         (Symbol::set_plt_offset): Verify that new offset is not -1U.
8319         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
8320         Don't initialize is_target_special_ or has_plt_offset_.
8321         Initialize is_defined_in_discarded_section_.
8322         (Symbol_table::add_from_relobj): If appropriate, set
8323         is_defined_in_discarded_section.
8324         * resolve.cc (Symbol::override_base_with_special): Don't test
8325         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
8326         * target-reloc.h (relocate_section): Do special handling for
8327         symbols defined in discarded sections for global symbols as well
8328         as local symbols.
8329
8330 2010-01-08  Ian Lance Taylor  <iant@google.com>
8331
8332         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
8333         the SHT_SYMTAB case.
8334
8335 2010-01-08  Ian Lance Taylor  <iant@google.com>
8336
8337         * object.cc (Sized_relobj::do_layout): Don't get confused if
8338         layout_eh_frame returns NULL.
8339
8340 2010-01-08  Ian Lance Taylor  <iant@google.com>
8341
8342         PR 11084
8343         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
8344         dynamic symbol table, use the normal symbol table.
8345         (Sized_dynobj::do_read_symbols): Remove assertion about type of
8346         symbol table.
8347
8348 2010-01-08  Ian Lance Taylor  <iant@google.com>
8349
8350         PR 11072
8351         * layout.cc (Layout::include_section): Remove .gnu_debuglink
8352         sections.
8353
8354 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
8355
8356         * version.cc (print_version): Change to "Copyright 2010".
8357
8358 2010-01-08  Ian Lance Taylor  <iant@google.com>
8359
8360         PR 10287
8361         PR 11063
8362         * i386.cc (class Target_i386): Change return type of plt_section
8363         to be non-const.
8364         (class Output_data_plt_i386): Add tls_desc_rel_ field.
8365         (Output_data_plt_i386::Output_data_plt_i386): Initialize
8366         tls_desc_rel_ field.
8367         (Output_data_plt_i386::rel_tls_desc): New function.
8368         (Target_i386::rel_tls_desc_section): New function.
8369         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
8370         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
8371         R_386_TLS_DESC reloc in rel_tls_desc_section.
8372         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
8373         Define struct Tlsdesc_info.
8374         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
8375         (Target_x86_64::do_reloc_symbol_index): New function.
8376         (Target_x86_64::add_tlsdesc_info): New function.
8377         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
8378         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
8379         tlsdesc_rel_ field.
8380         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
8381         all callers.
8382         (Output_data_plt_x86_64::rela_tlsdesc): New function.
8383         (Target_x86_64::rela_tlsdesc_section): New function.
8384         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
8385         handling.
8386         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
8387         (Target_x86_64::do_reloc_addend): New function.
8388         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
8389         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
8390         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
8391         (Output_reloc::type): New function.
8392         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
8393         (Output_reloc::is_target_specific): New function.
8394         (Output_reloc::target_arg): New function.
8395         (class Output_reloc) [SHT_RELA]: Add four new constructors for
8396         absolute relocs and target specific relocs.
8397         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
8398         add_target_specific.
8399         (class Output_data_reloc) [SHT_RELA]: Likewise.
8400         * output.cc (Output_reloc::Output_reloc): Add four new versions
8401         for absolute relocs and target specific relocs.
8402         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
8403         (Output_reloc::get_symbol_index): Likewise.
8404         (Output_reloc::local_section_offset): Check that local_sym_index_
8405         is not TARGET_CODE or 0.
8406         (Output_reloc::symbol_value): Likewise.
8407         (Output_reloc::write) [SHT_RELA]: Call target for target specific
8408         reloc.
8409         * target.h (class Target): Add reloc_symbol_index and reloc_addend
8410         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
8411         functions.
8412         * layout.cc (add_target_dynamic_tags): Use output section for
8413         DT_PLTRELSZ and DT_JMPREL.
8414
8415 2010-01-07  Ian Lance Taylor  <iant@google.com>
8416
8417         PR 11061
8418         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
8419         function.
8420         (class Output_data_reloc_generic): Define.
8421         (class Output_data_reloc_base): Change base class to
8422         Output_data_reloc_generic.  Change add() method to call
8423         bump_relative_reloc_count for a relative reloc.  Remove
8424         sort_relocs_ field.
8425         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
8426         to sort_relocs().
8427         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
8428         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
8429         appropriate.
8430         * layout.h (class Layout): Update declaration.
8431
8432 2010-01-07  Ian Lance Taylor  <iant@google.com>
8433
8434         * output.h (class Output_data): Add const version of
8435         output_section and do_output_section.
8436         (class Output_section_data): Add const version of
8437         do_output_section.
8438         (class Output_section): Likewise.
8439         * layout.cc (Layout::add_target_dynamic_tags): New function.
8440         * layout.h (class Layout): Update declarations.
8441         * arm.cc (Target_arm::do_finalize_sections): Use
8442         add_target_dynamic_tags.
8443         * i386.cc (Target_i386::do_finalize_sections): Likewise.
8444         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
8445         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
8446         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
8447
8448 2010-01-07  Ian Lance Taylor  <iant@google.com>
8449
8450         PR 11042
8451         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
8452         object as needed.
8453
8454 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
8455             Ian Lance Taylor  <iant@google.com>
8456
8457         PR 11019
8458         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
8459         Xindex::read_symtab_xindex.
8460
8461 2010-01-07  Doug Kwan  <dougkwan@google.com>
8462
8463         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
8464         (Insn_template::thumb16_bcond_insn): New method declaration.
8465         (Insn_template): Fix spelling.
8466         (Stub::thumb16_special): New method declaration.
8467         (Stub::do_write): Define virtual method which was previously pure
8468         virtual.
8469         (Stub::do_thumb16_special): New method declaration.
8470         (Stub::do_fixed_endian_write): New template member.
8471         (Reloc_stub::do_write): Remove.
8472         (Reloc_stub::do_fixed_endian_write): Remove.
8473         (Cortex_a8_stub): New class definition.
8474         (Stub_factory::make_cortex_a8_stub): New method definition.
8475         (Stub_factory::Stub_factory): Add missing static storage class
8476         qualifier for elf32_arm_stub_a8_veneer_blx.
8477
8478 2010-01-07  Ian Lance Taylor  <iant@google.com>
8479
8480         PR 10980
8481         * options.h (class General_options): Add --warn-unresolved-symbols
8482         and --error-unresolved-symbols.
8483         * errors.cc (Errors::undefined_symbol): Implement
8484         --warn-unresolved-symbols.
8485
8486         * options.h (class General_options): Add -z text and -z textoff.
8487         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
8488
8489 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
8490
8491         * gc.h (Garbage_collection::Cident_section_map): New typedef.
8492         (Garbage_collection::cident_sections): New function.
8493         (Garbage_collection::add_cident_section): New function.
8494         (Garbage_collection::cident_sections_): New member.
8495         (gc_process_relocs): Add references to sections whose names are C
8496         identifiers.
8497         * gold.h (cident_section_start_prefix): New constant.
8498         (cident_section_stop_prefix): New constant.
8499         (is_cident): New function.
8500         * layout.cc (Layout::define_section_symbols): Replace string constants
8501         with the newly defined constants.
8502         * object.cc (Sized_relobj::do_layout): Track sections whose names are
8503         C identifiers.
8504         * testsuite/Makefile.am: Add gc_orphan_section_test.
8505         * testsuite/Makefile.in: Regenerate.
8506         * testsuite/gc_orphan_section_test.cc: New file.
8507         * testsuite/gc_orphan_section_test.sh: New file.
8508
8509 2010-01-06  Ian Lance Taylor  <iant@google.com>
8510
8511         PR 10980
8512         * options.h (class General_options): Add --warn-shared-textrel.
8513         * layout.cc (Layout::finish_dynamic_section): Implement
8514         --warn-shared-textrel.
8515
8516         PR 10980
8517         * options.h (class General_options): Add --warn-multiple-gp.
8518
8519 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8520
8521         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
8522         $(THREADSLIB) and $(LIBDL).
8523         * Makefile.in: Rebuild.
8524
8525 2010-01-06  Ian Lance Taylor  <iant@google.com>
8526
8527         PR 10980
8528         * options.cc (General_options::parse_section_start): New function.
8529         (General_options::section_start): New function.
8530         (General_options::General_options): Initialize all members.
8531         * options.h: Include <map>
8532         (class General_options): Add --section-start.  Add section_starts_
8533         member.
8534         * layout.cc (Layout::attach_allocated_section_to_segment): If
8535         --section-start was used, set the address of the segment.  Remove
8536         local sort_sections.
8537         (Layout::relaxation_loop_body): If the address of the load segment
8538         has been set by --section-start, don't use it.
8539         * output.h (Output_segment::update_flags_for_output_section): New
8540         function.
8541         * output.cc (Output_segment::add_output_section): Call
8542         update_flags_for_output_section.
8543
8544 2010-01-05  Ian Lance Taylor  <iant@google.com>
8545
8546         PR 10980
8547         * options.h (class General_options): Add --undefined-version.
8548         * script.cc (struct Version_expression): Add was_matched_by_symbol
8549         field.
8550         (Version_script_info::matched_symbol): New function.
8551         (Version_script_info::get_symbol_version_helper): Call
8552         matched_symbol.
8553         (Version_script_info::check_unmatched_names): New function.
8554         * script.h (class Version_script_info): Update declarations.
8555         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
8556
8557         * options.h (class General_options): Use DEFINE_bool_alias for
8558         allow_multiple_definition.
8559         * resolve.cc (Symbol_table::should_override): Don't test
8560         allow_multiple_definition.
8561
8562         PR 10980
8563         * options.h (class General_options): Add --cref.
8564         * main.cc (main): Print cref table if --cref.  Don't close mapfile
8565         until after printing cref table.
8566         * cref.cc: Include "symtab.h".
8567         (class Cref_inputs): Define Cref_table_compare and Cref_table.
8568         (Cref_table_compare::operator()): New function.
8569         (Cref_inputs::gather_cref): New function.
8570         (filecol): New static const.
8571         (Cref_inputs::print_cref): New function.
8572         (Cref::print_cref): New function.
8573         * cref.h: Include <cstdio>.
8574         (class Cref): Update declarations.
8575         * mapfile.h (Mapfile::file): New function.
8576         * object.h (class Object): Define Symbols.  Declare virtual
8577         do_get_global_symbols.
8578         (Object::get_global_symbols): New function.
8579         * object.cc (Input_objects::add_object): Pass object to cref_ if
8580         --cref.
8581         (Input_objects::archive_start): Likewise.
8582         (Input_objects::archive_stop): Likewise.
8583         (Input_objects::print_cref): New function.
8584         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
8585         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
8586         --cref.
8587         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
8588         function.
8589         * plugin.h (class Sized_pluginobj): Update declarations.
8590
8591 2010-01-05  Ian Lance Taylor  <iant@google.com>
8592
8593         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
8594         to is_default_version.  Rename insdef to insdefault.
8595         (Symbol_table::add_from_relobj): Rename def to is_default_version
8596         and local to is_forced_local.
8597         (Symbol_table::add_from_pluginobj): Likewise.
8598         (Symbol_table::add_from_dynobj): Likewise.
8599         (Symbol_table::define_special_symbol): Rename insdef to
8600         insdefault.
8601
8602 2010-01-04  Ian Lance Taylor  <iant@google.com>
8603
8604         PR 10980
8605         * options.h (class General_options): Add
8606         --allow-multiple-definition and -z muldefs.
8607         * resolve.cc (Symbol_table::should_override): Don't warn about a
8608         multiple symbol definition if --allow-multiple-definition or -z
8609         muldefs.
8610
8611         PR 10980
8612         * options.h (class General_options): Add --add-needed and
8613         --copy-dt-needed-entries.  Tweak --as-needed help entry.
8614         * object.cc (Input_objects::check_dynamic_dependencies): Give an
8615         error if --copy-dt-needed-entries aka --add-needed is used and
8616         would cause a change in behaviour.
8617
8618         PR 10980
8619         * options.h (class General_options): Add -G as a short version of
8620         --shared.  Add no-op options -assert, -g, and -i.
8621
8622 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
8623
8624         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
8625         check for .text or .gnu.linkonce.t sections.
8626         * icf.cc (Icf::find_identical_sections): Ditto.
8627         Change the detection for mangled function name within the section
8628         name.
8629         * icf.h (is_section_foldable_candidate): New function.
8630
8631 2009-12-30  Ian Lance Taylor  <iant@google.com>
8632
8633         PR 10980
8634         * options.h (class General_options): Permit two dashes with
8635         --retain-symbols-file.
8636
8637 2009-12-30  Ian Lance Taylor  <iant@google.com>
8638
8639         PR 10979
8640         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
8641         don't put the file header and segment headers in the text
8642         segment.
8643
8644         PR 10979
8645         * common.cc (Sort_commons::operator()): Stabilize sort when both
8646         entries are NULL.
8647         (Symbol_table::do_allocate_commons_list): When allocating common
8648         symbols, skip a symbol which is no longer common.
8649         * symtab.h (Symbol::is_common): Test whether the symbol comes from
8650         an object before checking its type.
8651         * testsuite/common_test_2.c: New file.
8652         * testsuite/common_test_3.c: New file.
8653         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
8654         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
8655         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
8656         (common_test_2_pic.o, common_test_2.so): New targets.
8657         (common_test_3_pic.o, common_test_3.so): New targets.
8658         * testsuite/Makefile.in: Rebuild.
8659
8660         PR 10979
8661         * script.cc (read_input_script): If we see a new SECTIONS clause,
8662         and we have added an input section, give an error.
8663         * layout.h (class Layout): Add have_added_input_section function.
8664         Add have_added_input_section_ field.
8665         * layout.cc (Layout::Layout): Initialize
8666         have_added_input_section_.
8667         (Layout::layout): Set have_added_input_section_.
8668         (Layout::layout_eh_frame): Likewise.
8669
8670 2009-12-30  Ian Lance Taylor  <iant@google.com>
8671
8672         PR 10931
8673         * options.h (class General_options): Add --sort-common option.
8674         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
8675         * common.cc (Sort_common): Add sort_order parameter to
8676         constructor.  Add sort_order_ field.
8677         (Sort_commons::operator): Check sort_order_.
8678         (Symbol_table::allocate_commons): Determine the sort order.
8679         (Symbol_table::do_allocate_commons): Add sort_order parameter.
8680         Change all callers.
8681         (Symbol_table::do_allocate_commons_list): Likewise.
8682
8683 2009-12-30  Ian Lance Taylor  <iant@google.com>
8684
8685         PR 10916
8686         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
8687         symbols from this object, don't change the visibility of an
8688         undefined symbol.
8689         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
8690
8691 2009-12-30  Ian Lance Taylor  <iant@google.com>
8692
8693         PR 10861
8694         * script.h (class Version_script_info): Define Language enum.
8695         Update declarations.  Define Glob, Exact, and Lookup types.  Add
8696         new fields globals_, locals_, and is_finalized_.
8697         * script.cc: Various formatting fixes.
8698         (class Parser_closure): Change language_stack_ from a vector of
8699         std::string to one of Version_script_info::Language.  Adjust all
8700         uses accordingly.
8701         (class Lazy_demangler): Remove.
8702         (struct Version_expression): Change language from std::string to
8703         Version_script_info::Language.
8704         (Version_script_info::Version_script_info): New function.
8705         (Version_script_info::~Version_script_info): Don't call clear.
8706         (Version_script_info::finalize): New function.
8707         (Version_script_info::build_lookup_tables): New function.
8708         (Version_script_info::build_expression_list_lookup): New
8709         function.
8710         (Version_script_info::get_symbol_version_helper): Rewrite to use
8711         lookup tables.
8712         (Version_script_info::print_expression_list): Adjust to use
8713         Version_script_info::Language.
8714         (script_push_lex_into_version_mode): Check that the version script
8715         has not been finalized.
8716         (version_script_push_lang): Change language string to
8717         Version_script_info::Language.
8718         * options.cc (Command_line::version_script): New function.
8719         * options.h (class General_options): Add finalize_dynamic_list
8720         function.  Change version_script from declaration to definition.
8721         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
8722         * testsuite/version_script.map: Remove duplicate def of foo.
8723         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
8724         version_script.map.
8725         * testsuite/Makefile.in: Rebuild.
8726
8727 2009-12-30  Ian Lance Taylor  <iant@google.com>
8728
8729         PR 10843
8730         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
8731         if the input symbol index is 0, make the output symbol index 0.
8732
8733 2009-12-30  Ian Lance Taylor  <iant@google.com>
8734
8735         PR 10670
8736         * options.h (class General_options): Add -x/--discard-all.
8737         * object.cc (Sized_relobj::do_count_local_symbols): Handle
8738         --discard-all.  If the local symbol needs a dynamic entry, check
8739         that before handling --discard-locals.
8740
8741 2009-12-30  Ian Lance Taylor  <iant@google.com>
8742
8743         PR 10450
8744         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
8745         flags to PF_R.
8746         (Output_segment::add_output_section): Don't change the flags if
8747         the type is PT_TLS.
8748
8749         PR 10450
8750         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
8751         GNU hash table if they need a dynamic value.  Otherwise, don't add
8752         them if they are defined in a dynamic object or are forced local.
8753
8754 2009-12-29  Ian Lance Taylor  <iant@google.com>
8755
8756         PR 10450
8757         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
8758         .gnu.hash table for a 32-bit target.
8759
8760         PR 10450
8761         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
8762         regular and a dynamic object only needs a dynamic symbol table
8763         entry if it is externally visible.
8764
8765         PR 10450
8766         * i386.cc (class Target_i386): Initialize global_offset_table_ in
8767         constructor.  Add global_offset_table_ field.
8768         (Target_i386::got_section): Set global_offset_table_.
8769         (Target_i386::do_finalize_sections): Set global_offset_table_
8770         size.
8771         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
8772         in constructor.  Add global_offset_table_ field.
8773         (Target_x86_64::got_section): Set global_offset_table_.
8774         (Target_x86_64::do_finalize_sections): Set global_offset_table_
8775         size.
8776
8777         * layout.cc (Layout::Layout): Initialize increase_relro_.
8778         (Layout::get_output_section): Add is_relro, is_last_relro, and
8779         is_first_non_relro parameters.  Change all callers.
8780         (Layout::choose_output_section): Likewise.
8781         (Layout::add_output_section_data): Likewise.
8782         (Layout::make_output_section): Likewise.
8783         (Layout::set_segment_offsets): Clear increase_relro when using a
8784         linker script.
8785         * layout.h (class Layout): Add increase_relro method.  Add
8786         increase_relro_ field.  Update declarations.
8787         * output.cc (Output_section::Output_section): Initialize
8788         is_last_relro_ and is_first_non_relro_.
8789         (Output_segment::add_output_section): Group relro sections is
8790         do_sort is true.  Handle is_last_relro and is_first_non_relro.
8791         (Output_segment::maximum_alignment): Remove relro handling.
8792         (Output_segment::set_section_addresses): Add increase_relro
8793         parameter.  Change all callers.  Add initial alignment to align
8794         relro sections on separate page.  Remove old relro handling.
8795         (Output_segment::set_section_list_addresses): Remove in_relro
8796         parameter.  Change all callers.
8797         (Output_segment::set_offset): Add increase parameter.  Change all
8798         callers.  Remove old relro handling.
8799         * output.h (class Output_section): Add new methods: is_last_relro,
8800         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
8801         Add is_last_relro_ and is_first_non_relro_ fields.
8802         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
8803         Create separate .got.plt section.  Call increase_relro.
8804         * x86_64.cc (Target_x86_64::got_section): Likewise.
8805         * testsuite/relro_script_test.t: Add .got.plt.
8806
8807         PR 10450
8808         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
8809         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
8810         (Layout::finalize): Call set_dynamic_symbol_size.
8811         (Layout::set_dynamic_symbol_size): New function.
8812         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
8813         set_dynamic_symbol_size.
8814
8815         PR 10450
8816         * output.h (class Output_section): Add is_entsize_zero_ field.
8817         * output.cc (Output_section::Output_section): Initialize
8818         is_entsize_zero_.
8819         (Output_section::set_entsize): If two different entsizes are
8820         requested, force it to zero.
8821         (Output_section::add_input_section): Set flags for .debug_str
8822         before updating section flags.  Set entsize.
8823         (Output_section::update_flags_for_input_section): Set SHF_MERGE
8824         and SHF_STRING if all input sections have those flags.
8825
8826 2009-12-29   Rafael Espindola  <espindola@google.com>
8827
8828         * main.cc (main): Fix the sys time reporting.
8829         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
8830         reporting.
8831
8832 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
8833
8834         * options.cc (General_options::parse_version): Allow -v to exit
8835         without an error if there is nothing to link.
8836
8837 2009-12-29  Ian Lance Taylor  <iant@google.com>
8838
8839         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
8840         using a version of gcc before 4.1.
8841         * configure: Rebuild.
8842
8843 2009-12-28  Chris Demetriou  <cgd@google.com>
8844
8845         * attributes.cc (Output_attributes_section_data::do_write): Use
8846         std::vector::front rather than std::vector::data.
8847
8848 2009-12-28  Ian Lance Taylor  <iant@google.com>
8849
8850         * symtab.h (class Symbol_table): Add enum Defined.
8851         * resolve.cc (Symbol_table::should_override): Add defined
8852         parameter.  Change all callers.  Test whether object is NULL
8853         before calling a method on it.
8854         (Symbol_table::report_resolve_problem): Add defined parameter.
8855         Change all callers.
8856         (Symbol_table::should_override_with_special): Likewise.
8857         * symtab.cc (Symbol_table::define_in_output_data): Add defined
8858         parameter.  Change all callers.
8859         (Symbol_table::do_define_in_output_data): Likewise.
8860         (Symbol_table::define_in_output_segment): Likewise.
8861         (Symbol_table::do_define_in_output_segment): Likewise.
8862         (Symbol_table::define_as_constant): Likewise.
8863         (Symbol_table::do_define_as_constant): Likewise.
8864         * script.h (class Symbol_assignment): Add is_defsym parameter to
8865         constructor; change all callers.
8866         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
8867         parameter.  Change all callers.  Add is_defsym_ field.
8868         (class Parser_closure): Add parsing_defsym parameter to
8869         constructor; change all callers.  Add parsing_defsym accessor
8870         function.  Add parsing_defsym_ field.
8871
8872 2009-12-28  Ian Lance Taylor  <iant@google.com>
8873
8874         * gold.cc (queue_middle_tasks): Fix formatting.
8875         * object.cc (Relobj::is_section_name_included): Likewise.
8876
8877 2009-12-23  Ian Lance Taylor  <iant@google.com>
8878
8879         * i386.cc (Target_i386::do_calls_non_split): Recognize
8880         -fsplit-stack prologue for a function with a static chain.
8881         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
8882         -fsplit-stack prologue when using %r11.
8883
8884 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
8885
8886         * options.cc (General_options::parse_version): Make -v continue and do
8887         the link like GNU ld does.
8888
8889 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
8890
8891         * Makefile.am (CCFILES): Add timer.cc.
8892         (HFILES): Add timer.h.
8893         * configure.ac: Check for sysconf and times.
8894         * main.cc: include timer.h.
8895         (main): Use Timer instead of get_run_time.
8896         * timer.cc: New.
8897         * timer.h: New.
8898         * workqueue.cc: include timer.h.
8899         (Workqueue::find_and_run_task):
8900         Report user, sys and wall time.
8901         * Makefile.in: Regenerate.
8902         * config.in: Regenerate.
8903         * configure: Regenerate.
8904
8905 2009-12-16  Doug Kwan  <dougkwan@google.com>
8906
8907         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
8908         sections.
8909         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
8910         relaxed input sections.
8911         * output.cc (Output_section::find_relaxed_input_section): Change
8912         return type to Output_relaxed_input_section pointer.  Adjust code
8913         for new type of relaxed_input_section_map_.
8914         * output.h (Output_section::find_relaxed_input_section): Change
8915         return type to Output_relaxed_input_section pointer.
8916         (Output_section::Output_relaxed_input_section_by_input_section_map):
8917         New type.
8918         (Output_section::relaxed_input_section_map_): Change type to
8919         Output_section::Output_relaxed_input_section_by_input_section_map.
8920         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
8921         input section.
8922
8923 2009-12-15  Ian Lance Taylor  <iant@google.com>
8924
8925         * layout.cc (Layout::create_shstrtab): Only write out after input
8926         sections if we are compressing debug sections.
8927
8928 2009-12-15  Ian Lance Taylor  <iant@google.com>
8929
8930         * archive.cc (Archive::add_symbols): Only look up a symbol without
8931         a version if there is, in fact, a version.
8932
8933 2009-12-14  Ian Lance Taylor  <iant@google.com>
8934
8935         Revert -Wshadow changes, all changes from:
8936         2009-12-11  Doug Kwan  <dougkwan@google.com>
8937         2009-12-11  Nick Clifton  <nickc@redhat.com>
8938         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
8939
8940 2009-12-11  Doug Kwan  <dougkwan@google.com>
8941
8942         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
8943         due to -Wshadow.
8944         * attributes.cc (Object_attribute::size): Ditto.
8945         (Attributes_section_data::size): Ditto.
8946         (Attributes_section_data::Attributes_section_data): Ditto.
8947         (Output_attributes_section_data::do_write): Ditto.
8948         * attributes.h (Object_attribute::set_type): Ditto.
8949         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
8950
8951 2009-12-11  Nick Clifton  <nickc@redhat.com>
8952
8953         * archive.cc: Fix shadowed variable warnings.
8954         * arm.cc: Likewise.
8955         * compressed_output.cc: Likewise.
8956         * compressed_output.h: Likewise.
8957         * configure: Likewise.
8958         * dwarf_reader.cc: Likewise.
8959         * dynobj.cc: Likewise.
8960         * dynobj.h: Likewise.
8961         * ehframe.cc: Likewise.
8962         * ehframe.h: Likewise.
8963         * errors.cc: Likewise.
8964         * expression.cc: Likewise.
8965         * fileread.cc: Likewise.
8966         * fileread.h: Likewise.
8967         * freebsd.h: Likewise.
8968         * i386.cc: Likewise.
8969         * icf.cc: Likewise.
8970         * incremental.h: Likewise.
8971         * layout.cc: Likewise.
8972         * layout.h: Likewise.
8973         * mapfile.cc: Likewise.
8974         * merge.cc: Likewise.
8975         * merge.h: Likewise.
8976         * object.cc: Likewise.
8977         * object.h: Likewise.
8978         * options.h: Likewise.
8979         * output.cc: Likewise.
8980         * output.h: Likewise.
8981         * parameters.cc: Likewise.
8982         * plugin.cc: Likewise.
8983         * powerpc.cc: Likewise.
8984         * reduced_debug_output.cc: Likewise.
8985         * reduced_debug_output.h: Likewise.
8986         * reloc.cc: Likewise.
8987         * reloc.h: Likewise.
8988         * resolve.cc: Likewise.
8989         * script-sections.cc: Likewise.
8990         * script.cc: Likewise.
8991         * script.h: Likewise.
8992         * sparc.cc: Likewise.
8993         * symtab.cc: Likewise.
8994         * symtab.h: Likewise.
8995         * target-select.cc: Likewise.
8996         * target-select.h: Likewise.
8997         * token.h: Likewise.
8998         * workqueue.cc: Likewise.
8999         * workqueue.h: Likewise.
9000         * x86_64.cc: Likewise.
9001
9002 2009-12-10  Doug Kwan  <dougkwan@google.com>
9003
9004         * arm.cc (attributes.h): New include.
9005         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
9006         (Arm_relobj::~Arm_relobj): Delete object pointed by
9007         attributes_section_data_.
9008         (Arm_relobj::attributes_section_data): New method definition.
9009         (Arm_relobj::attributes_section_data_): New data member declaration.
9010         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
9011         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
9012         attributes_section_data_.
9013         (Arm_dynobj::attributes_section_data): New method definition.
9014         (Arm_dynobj::attributes_section_data_): New data member declaration.
9015         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
9016         initialization value of may_use_blx_ to false.
9017         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
9018         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
9019         object attributes to compute results instead of hard-coding.
9020         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
9021         Target_arm::get_secondary_compatible_arch,
9022         Target_arm::set_secondary_compatible_arch
9023         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
9024         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
9025         New method declarations.
9026         (Target_arm::get_aeabi_object_attribute): New method definition.
9027         (Target_arm::attributes_section_data_): New data member declaration.
9028         (read_arm_attributes_section): New template definition.
9029         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
9030         (Arm_dynobj::do_read_symbols): Ditto.
9031         (Target_arm::do_finalize_sections): Merge attributes sections from
9032         input.  Check for BLX use after attributes section merging.
9033         Fix __exidx_start and __exidx_end visibility.  Create an
9034         .ARM.attributes section if necessary.
9035         (Target_arm::get_secondary_compatible_arch,
9036         Target_arm::set_secondary_compatible_arch,
9037         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
9038         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
9039         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
9040         New method definitions.
9041
9042 2009-12-09  Ian Lance Taylor  <iant@google.com>
9043
9044         * plugin.cc (Plugin::load): Don't cast from void* to a function
9045         pointer.
9046
9047 2009-12-09  Ian Lance Taylor  <iant@google.com>
9048
9049         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
9050         information fields.
9051
9052 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
9053
9054         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
9055         Replace two_file_shared_1.so with two_file_shared_2.so.
9056         * testsuite/Makefile.in: Regenerated.
9057
9058 2009-12-08  Doug Kwan  <dougkwan@google.com>
9059
9060         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
9061         (HFILES): Add attributes.h and int_encoding.h.
9062         * Makefile.in: Regenerate.
9063         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
9064         function definitions to int_encoding.cc
9065         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
9066         prototypes to int_encoding.h
9067         * reduced_debug_output.cc (int_encoding.h): New include.
9068         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
9069         function definitions to int_encoding.cc
9070         (insert_into_vector, read_from_pointer): Move template definitions to
9071         int_encoding.h
9072         * attributes.cc: New file.
9073         * attributes.h: New file.
9074         * int_encoding.cc: New file.
9075         * int_encoding.h: New file.
9076
9077 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
9078
9079         PR gold/11055
9080         * incremental-dump.cc (dump_incremental_inputs): New.
9081         (main): Use dump_incremental_inputs.
9082
9083 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
9084
9085         PR gold/10893
9086         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
9087         checking elfcpp::STT_FUNC.
9088         (Target_i386::Relocate::relocate): Likewise.
9089         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
9090
9091         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
9092         symbols from shared libraries into normal FUNC symbols.
9093
9094         * symtab.h (Symbol): Add is_func and use it.
9095
9096 2009-12-05  Doug Kwan  <dougkwan@google.com>
9097
9098         * arm.cc (Target_arm::arm_info): Initialize new fields
9099         attributes_section and attributes_vendor.
9100         * i386.cc (Target_i386::i386_info): Same.
9101         * object.cc (Sized_relobj::do_layout): Skip attribute section.
9102         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
9103         fields attributes_section and attributes_vendor.
9104         * sparc.cc (Target_sparc::sparc_info): Same.
9105         * target.h (Target::attributes_section, Target::attributes_vendor,
9106         Target::is_attributes_section, Target::attribute_arg_type,
9107         Target::attributes_order): New method definitions.
9108         (Target::Target_info::attributes_section,
9109         Target::Target_info::attributes_vendor): New fields.
9110         (Target::do_attribute_arg_type, Target::do_attributes_order): New
9111         virtual method definitions.
9112         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
9113         attributes_section and attributes_vendor.
9114         * testsuite/testfile.cc (Target_test::test_target_info): Same.
9115
9116 2009-12-05  Doug Kwan  <dougkwan@google.com>
9117
9118         * arm.cc: Update comments about interworking and stub generation.
9119         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
9120         considered as non-PIC.
9121         (Arm_relocate_functions::base_abs): Fix formatting.
9122         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
9123         of function to use GOT entry address instead of offset.
9124         (Target_arm::Scan::global): Issue an error if a symbol would need a
9125         PLT does not get one because it is untyped.  Remove code to create
9126         dynamic symbols for relative branches.
9127         (Target_arm::Relocate::relocate: Use 0 instead of false since function
9128         takes unsigned integer instead of boolean.
9129
9130 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
9131
9132         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
9133         (two_file_test_LDADD): Likewise.
9134         (common_test_1_LDADD): Likewise.
9135         (exception_test_LDADD) Likewise.
9136         (weak_test_LDADD): Likewise.
9137         (many_sections_test_LDADD): Likewise.
9138         (initpri1_LDADD): Likewise.
9139         (script_test_1_LDADD): Likewise.
9140         (script_test_2_LDADD): Likewise.
9141         (justsyms_LDADD): Likewise.
9142         (binary_test_LDADD): Likewise.
9143         (large_LDADD): Likewise.
9144         * testsuite/Makefile.in: Regenerated.
9145
9146 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
9147
9148         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
9149         (Symbol_table::override_with_special): Likewise.
9150         (Symbol_table::add_from_object): Likewise.
9151
9152 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
9153
9154         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
9155         Don't set the data_offset twice.
9156
9157 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
9158
9159         * testsuite/Makefile.in: Regenerate.
9160
9161 2009-12-03  Doug Kwan  <dougkwan@google.com>
9162
9163         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
9164         (Target_arm::do_finalize_sections): Add parameter for symbol table
9165         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
9166         * i386.cc (Target_i386::do_finalize_sections): Add an additional
9167         parameter for symbol table pointer.
9168         * layout.cc (Layout::finalize): Call Target::finalize_sections with
9169         an additional parameter for a pointer to symbol table.
9170         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
9171         parameter for a symbol table pointer.
9172         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
9173         * target.h (Target::finalize_sections, Target::do_finalize_sections):
9174         Ditto.
9175         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
9176         parameter for a symbol table pointer.
9177
9178 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
9179
9180         * incremental.cc (Incremental_inputs_header)
9181         (Incremental_inputs_header_write, Incremental_inputs_entry)
9182         (Incremental_inputs_entry_write): Move ...
9183         * incremental.h (Incremental_inputs_header)
9184         (Incremental_inputs_header_write, Incremental_inputs_entry)
9185         (Incremental_inputs_entry_write): here.
9186
9187 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9188
9189         * incremental.cc (make_sized_incremental_binary): Set the target.
9190         Error if it is incompatible.
9191         * output.h (Output_file): Add filename method.
9192
9193 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9194
9195         * incremental.cc (Incremental_inputs_entry): Remove unused argument
9196         from the get_* methods.
9197
9198 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9199
9200         * incremental-dump.cc (main): Check that the offeset of a script is 0.
9201         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
9202         Write 0 for the data_offset of scripts.
9203
9204 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
9205
9206         * testsuite/Makefile.am: Add the incremental_test.sh test.
9207         * testsuite/incremental_test.sh: New.
9208         * testsuite/incremental_test_1.c: New.
9209         * testsuite/incremental_test_2.c: New.
9210
9211 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
9212
9213         * incremental-dump.cc (main): Fix typos.
9214
9215 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
9216
9217         PR gold/11025
9218         * incremental-dump.cc (main): Use llu to print 64 bit values.
9219
9220 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
9221             H.J. Lu  <hongjiu.lu@intel.com>
9222
9223         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
9224         $(LIBDL).
9225         (incremental_dump_LDADD): Likewise.
9226         * Makefile.in: Regenerated.
9227
9228 2009-11-25  Doug Kwan  <dougkwan@google.com>
9229
9230         Revert:
9231
9232         2009-11-25  Doug Kwan  <dougkwan@google.com>
9233
9234                 * arm.cc (Target_arm::Target_arm): Move method definition
9235                 outside of class definition.  Add code to handle
9236                 --target1-rel, --target1-abs and --target2= options.
9237                 (Target_arm::get_reloc_reloc_type): Change method to be
9238                 non-static and const.
9239                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
9240                 New data member declaration.
9241                 (Target_arm::Scan::local, Target_arm::Scan::global,
9242                 Target_arm::Relocate::relocate,
9243                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
9244                 Adjust call to Target_arm::get_real_reloc_type.
9245                 (Target_arm::get_real_reloc_type): Use command line options
9246                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
9247                 * options.h (--target1-rel, --target1-abs, --target2): New
9248                 ARM-only options.
9249
9250 2009-11-25  Doug Kwan  <dougkwan@google.com>
9251
9252         * arm.cc (Target_arm::Target_arm): Move method definition outside of
9253         class definition.  Add code to handle --target1-rel, --target1-abs
9254         and --target2= options.
9255         (Target_arm::get_reloc_reloc_type): Change method to be non-static
9256         and const.
9257         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
9258         member declaration.
9259         (Target_arm::Scan::local, Target_arm::Scan::global,
9260         Target_arm::Relocate::relocate,
9261         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
9262         call to Target_arm::get_real_reloc_type.
9263         (Target_arm::get_real_reloc_type): Use command line options to
9264         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
9265         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
9266         options.
9267
9268 2009-11-25  Doug Kwan  <dougkwan@google.com>
9269
9270         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
9271         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
9272         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
9273         formatting.
9274         (Arm_relocate_functions::thm_call): Replace body with a call to
9275         Arm_relocate_functions::thumb_branch_common.
9276         (Arm_relocate_functions::thm_jump24,
9277         Arm_relocate_functions::thm_xpc22): New method definitions.
9278         (Arm_relocate_functions::thumb_branch_common): New method definition.
9279         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
9280         operator.
9281         (Target_arm::Relocate::relocate): Adjust call to thm_call.
9282         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
9283
9284 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9285
9286         * Makefile.am: Build incremental-dump
9287         * Makefile.in: Regenerate.
9288         * incremental-dump.cc: New.
9289         * incremental.cc (Incremental_inputs_header_data,
9290         Incremental_inputs_entry_data): Move to incremental.h
9291         * incremental.h: (Incremental_inputs_header_data,
9292         Incremental_inputs_entry_data): Move from incremental.cc
9293
9294 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9295
9296         * incremental.cc (Incremental_inputs_header,
9297         Incremental_inputs_header_write, Incremental_inputs_entry,
9298         Incremental_inputs_entry_write): Add a typedef with the data type.
9299
9300 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
9301
9302         * incremental.cc (Incremental_inputs_header,
9303         Incremental_inputs_header_write, Incremental_inputs_entry,
9304         Incremental_inputs_entry_write): Update comment about which
9305         type has the filed descriptions.
9306
9307 2009-11-15  Doug Kwan  <dougkwan@google.com>
9308
9309         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
9310         (Arm_relocate_functions::arm_branch_common): Change method defintion
9311         in class definition to a method declaration and update list of formal
9312         parameters.
9313         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
9314         Arm_relocation_functions::jump24): Adjust call to
9315         Arm_relocate_functions::arm_branch_common.  Update list of formal
9316         parameters.
9317         (Arm_relocate_functions::xpc25): New method definition.
9318         (Arm_relocate_functions::arm_branch_common): Move method defintion
9319         out from class definition.  Use stubs for mode-switching and extending
9320         branch ranges.
9321         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
9322         specially.  Change code to enable use of stubs in ARM branches.
9323
9324 2009-11-10  Doug Kwan  <dougkwan@google.com>
9325
9326         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
9327         in method declaration.
9328         (Target_arm::relocate_stub): New method declaration.
9329         (Target_arm::default_target): Change to return a pointer instead of
9330         a const reference.
9331         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
9332         Target_arm::default_target.
9333         (Arm_Relobj::do_relocate_sections): Remove options paramater in
9334         method definition.
9335         (Target_arm::relocate_section): Adjust view.
9336         (Target_arm::relocate_stub): New method definition.
9337
9338 2009-11-10  Doug Kwan  <dougkwan@google.com>
9339
9340         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
9341         a format warning.
9342         * incremental.cc (open_incremental_binary): Initialized local
9343         variables to avoid warnings.
9344         * object.cc (make_elf_object): Ditto.
9345         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
9346         a format warning.
9347
9348 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
9349
9350         PR gold/10930
9351         * testsuite/plugin_test.c: Include "config.h".
9352
9353 2009-11-09  Doug Kwan  <dougkwan@google.com>
9354
9355         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
9356         (arm_symbol_value): Remove.
9357         (Arm_relocate_functions::arm_branch_common,
9358         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
9359         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
9360         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
9361         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
9362         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
9363         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
9364         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
9365         Arm_relocate_functions::thm_mobw_abs_nc,
9366         Arm_relocate_functions::thm_mov_abs,
9367         Arm_relocate_functions::movw_prel_nc,
9368         Arm_relocate_functions::thm_movt_abs,
9369         Arm_relocate_functions::movt_prel,
9370         Arm_relocate_functions::thm_movw_prel_nc,
9371         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
9372         (Target_arm::Relocate::relocate): Only decompose address into two
9373         parts if relocation type uses the thumb-bit and pass the actual
9374         bit instead of a flag indicating that the thumb-bit is used.  Adjust
9375         calls to methods in Arm_relocate_functions for this change.
9376
9377 2009-11-08  Ian Lance Taylor  <iant@google.com>
9378
9379         PR 10925
9380         * reloc.cc: Instantiate
9381         Sized_relobj::initialize_input_to_output_maps and
9382         Sized_relobj:free_input_to_output_maps.
9383
9384 2009-11-06  Ian Lance Taylor  <iant@google.com>
9385
9386         PR 10876
9387         * defstd.cc (in_segment): Set only_if_ref true for "end".
9388
9389 2009-11-06  Doug Kwan  <dougkwan@google.com>
9390
9391         * arm.cc (class Reloc_stub): Correct a comment.
9392         (Target_arm::Target_arm): Initialize arm_input_section_map_.
9393         (Target_arm::scan_section_for_stubs): New method declaration.
9394         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
9395         Change methods from private to protected.
9396         (Target_arm::do_may_relax): New method definition.
9397         (Target_arm::do_relax, Target_arm::group_sections,
9398         Target_arm::scan_reloc_for_stub,
9399         Target_arm::scan_reloc_section_for_stubs): New method declarations.
9400         (Target_arm::arm_input_section_map_): New data member declaration.
9401         (Target_arm::scan_reloc_for_stub,
9402         Target_arm::scan_reloc_section_for_stubs,
9403         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
9404         Target_arm::do_relax): New method definitions.
9405
9406 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
9407
9408         * configure.ac: Check for (struct stat)::st_mtim
9409         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
9410         * config.in: Regenerate.
9411         * configure: Regenerate.
9412
9413 2009-11-05  Ian Lance Taylor  <iant@google.com>
9414
9415         PR 10910
9416         * output.cc (Output_segment::add_output_section): Add missing
9417         return statement.
9418
9419 2009-11-04  Ian Lance Taylor  <iant@google.com>
9420
9421         PR 10880
9422         * object.h (class Object): Add is_needed and set_is_needed
9423         methods.  Add is_needed_ field.  Make bool fields into bitfields.
9424         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
9425         defined in a dynamic object and referenced by a regular object,
9426         set is_needed for the dynamic object.
9427         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
9428         if the file is marked with as_needed and it is not needed.
9429
9430 2009-11-04  Ian Lance Taylor  <iant@google.com>
9431
9432         PR 10887
9433         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
9434         tags if data is discarded by linker script.
9435         * i386.cc (Target_i386::do_finalize_sections): Likewise.
9436         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
9437         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
9438         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
9439
9440 2009-11-04  Ian Lance Taylor  <iant@google.com>
9441
9442         * layout.cc (Layout::get_output_section): Add is_interp and
9443         is_dynamic_linker_section parameters.  Change all callers.
9444         (Layout::choose_output_section): Likewise.
9445         (Layout::make_output_section): Likewise.
9446         (Layout::add_output_section_data): Add is_dynamic_linker_section
9447         parameter.  Change all callers.
9448         * layout.h (class Layout): Update declarations.
9449         * output.h (class Output_section): Add is_interp, set_is_interp,
9450         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
9451         Add is_interp_, is_dynamic_linker_section_ fields.  Change
9452         generate_code_fills_at_write_ to a bitfield.
9453         * output.cc (Output_section::Output_sections): Initialize new
9454         fields.
9455         (Output_segment::add_output_section): Add do_sort parameter.
9456         Change all callers.
9457
9458 2009-11-03  Ian Lance Taylor  <iant@google.com>
9459
9460         PR 10860
9461         * options.h (class General_options): Add --warn-common.
9462         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
9463         merging two common symbols.
9464         (Symbol_table::should_override): Handle --warn-common when merging
9465         a common symbol with a defined symbol.  Use report_resolve_problem
9466         for multiple definitions.
9467         (Symbol_table::report_resolve_problem): New function.
9468         * symtab.h (class Symbol_table): Declare report_resolve_problem.
9469
9470 2009-11-03  Doug Kwan  <dougkwan@google.com>
9471
9472         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
9473         stub_factory_.
9474         (Target_arm::stub_factory): New method definition.
9475         (Target_arm::new_arm_input_section,
9476         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
9477         Target_arm::reloc_uses_thumb_bit): New method declarations.
9478         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
9479         New type definitions.
9480         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
9481         member declarations.
9482         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
9483         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
9484         New method definitions.
9485
9486 2009-11-03  Ian Lance Taylor  <iant@google.com>
9487
9488         * options.h (class General_options): Add --warn_constructors.
9489
9490 2009-11-03  Ian Lance Taylor  <iant@google.com>
9491
9492         PR 10893
9493         * defstd.cc (in_section): Add entries for __rel_iplt_start,
9494         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
9495
9496 2009-11-03  Ian Lance Taylor  <iant@google.com>
9497
9498         PR 10895
9499         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
9500         --msgid-bugs-address.
9501         (install-pdf): New target.
9502         (install-data_yes): Look up one directory to find mkinstalldirs.
9503
9504 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
9505
9506         * po/Make-in (.po.gmo): Don't generate .gmo files in source
9507         tree.
9508
9509 2009-10-30  Doug Kwan  <dougkwan@google.com>
9510
9511         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
9512
9513 2009-10-30  Doug Kwan  <dougkwan@google.com>
9514
9515         * arm.cc (Stub_addend_reader): New struct template definition
9516         and partial specializations.
9517         (Stub_addend_reader::operator()): New method definition for a
9518         partially specialized template.
9519
9520 2009-10-30  Doug Kwan  <dougkwan@google.com>
9521
9522         * arm.cc (Arm_relobj::processor_specific_flags): New method
9523         definition.
9524         (Arm_relobj::do_read_symbols): New method declaration.
9525         (Arm_relobj::processor_specific_flags_): New data member declaration.
9526         (Arm_dynobj): New class definition.
9527         (Target_arm::do_finalize_sections): Add input_objects parameter.
9528         (Target_arm::do_adjust_elf_header): New method declaration.
9529         (Target_arm::are_eabi_versions_compatible,
9530         (Target_arm::merge_processor_specific_flags): New method declaration.
9531         (Target_arm::do_make_elf_object): New overloaded method definitions
9532         and declaration.
9533         (Arm_relobj::do_read_symbols): New method definition.
9534         (Arm_dynobj::do_read_symbols): Ditto.
9535         (Target_arm::do_finalize_sections): Add input_objects parameters.
9536         Merge processor-specific flags from all input objects.
9537         (Target_arm::are_eabi_versions_compatible,
9538         Target_arm::merge_processor_specific_flags,
9539         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
9540         New method definitions.
9541         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
9542         Input_objects pointer type parameter.
9543         * layout.cc (Layout::finalize): Pass input objects to target's.
9544         finalize_sections function.
9545         * output.cc (Output_file_header::do_sized_write): Set ELF file
9546         header's processor-specific flags.
9547         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
9548         Input_objects pointer type parameter.
9549         * sparc.cc (Target_sparc::do_finalize_sections): Same.
9550         * target.h (Input_objects): New forward class declaration.
9551         (Target::processor_specific_flags,
9552         Target::are_processor_specific_flags_sect): New method definitions.
9553         (Target::finalize_sections): Add input_objects parameter.
9554         (Target::Target): Initialize processor_specific_flags_ and
9555         are_processor_specific_flags_set_.
9556         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
9557         parameter.
9558         (Target::set_processor_specific_flags): New method definition.
9559         (Target::processor_specific_flags_,
9560         Target::are_processor_specific_flags_set_): New data member
9561         declarations.
9562         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
9563         Input_objects pointer type parameter.
9564
9565 2009-10-30  Doug Kwan  <dougkwan@google.com>
9566
9567         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
9568
9569 2009-10-28  Ian Lance Taylor  <iant@google.com>
9570
9571         * object.h (class Relobj): Drop options parameter from
9572         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
9573         do_scan_relocs, do_relocate.  Change all callers.
9574         (class Sized_relobj): Drop options parameters from
9575         do_gc_process_relocs, do_scan_relocs, do_relocate,
9576         do_relocate_sections, relocate_sections, emit_relocs_scan,
9577         emit_relocs_scan_reltype.  Change all callers.
9578         (struct Relocate_info): Remove options field and all references to
9579         it.
9580         * reloc.h (class Read_relocs): Remove options constructor
9581         parameter and options_ field.  Change all callers.
9582         (class Gc_process_relocs, class Scan_relocs): Likewise.
9583         (class Relocate_task): Likewise.
9584         * target-reloc.h (scan_relocs): Remove options parameter.  Change
9585         all callers.
9586         (scan_relocatable_relocs): Likewise.
9587         * target.h (class Sized_target): Remove options parameter from
9588         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
9589         all callers.
9590         * gc.h (gc_process_relocs): Remove options parameter.  Change all
9591         callers.
9592         * arm.cc: Update functions to remove options parameters.
9593         * i386.cc: Likewise.
9594         * powerpc.cc: Likewise.
9595         * sparc.cc: Likewise.
9596         * x86_64.cc: Likewise.
9597         * testsuite/testfile.cc: Likewise.
9598
9599 2009-10-28  Doug Kwan  <dougkwan@google.com>
9600
9601         * arm.cc (Arm_relobj): New class definition.
9602         (Arm_relobj::scan_sections_for_stubs,
9603         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
9604         New method definitions.
9605
9606 2009-10-28  Cary Coutant  <ccoutant@google.com>
9607
9608         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
9609         (Plugin::cleanup_done_): New member.
9610         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
9611         (Plugin_manager::cleanup_done_): Remove.
9612         (Plugin_manager::add_input_file): Edit error message.
9613         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
9614         (Plugin_manager::cleanup): Remove use of cleanup_done_.
9615
9616 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
9617
9618         * fileread.cc: (File_read::View::~View): Use the new
9619         data_ownership_ filed.
9620         (File_read::~File_read): Dispose the new whole_file_view_.
9621         (File_read::open): Mmap the whole file if needed.
9622         (File_read::open): Use whole_file_view_ instead of contents_.
9623         (File_read::find_view): Use whole_file_view_ if applicable.
9624         (File_read::do_read): Use whole_file_view_ instead of contents_.
9625         (File_read::make_view): Use whole_file_view_ instead of contents_,
9626         update File_read::View::View call.
9627         (File_read::find_or_make_view): Update File_read::View::View
9628         call.
9629         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
9630         remove contents_
9631         (File_read::View::Data_ownership): New enum.
9632         (File_read::View::View): Replace bool mapped_ with Data_ownership
9633         argument.
9634         (File_read::View::mapped_): Remove (replaced by data_ownership_).
9635         (File_read::View::data_ownership_): New field.
9636         (File_read::contents_): Remove (replaced by whole_file_view_).
9637         (File_read::whole_file_view_): New field.
9638         * options.h (class General_options): Add --keep-files-mapped.
9639
9640 2009-10-27  Cary Coutant  <ccoutant@google.com>
9641
9642         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
9643         * testsuite/Makefile.am (plugin_test_5): New test case.
9644         * testsuite/Makefile.in: Regenerate.
9645
9646 2009-10-25  Doug Kwan  <dougkwan@google.com>
9647
9648         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
9649         from private to protected to allow access by child class.
9650         (Sized_relobj::do_relocate_sections): New method declaration.
9651         (Sized_relobj::relocate_sections): Virtualize.
9652         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
9653         Sized_relobj::relocate_sections.  Instantiate template explicitly
9654         for different target sizes and endianity.
9655
9656 2009-10-24  Doug Kwan  <dougkwan@google.com>
9657
9658         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
9659         (Arm_input_section::as_arm_input_section): New method.
9660         (Arm_output_section): New class definition.
9661         (Arm_output_section::create_stub_group,
9662         Arm_output_section::group_sections): New method definitions.
9663
9664 2009-10-22  Doug Kwan  <dougkwan@google.com>
9665
9666         * arm.cc (Arm_input_section): New class definition.
9667         (Arm_input_section::init, Arm_input_section:do_write,
9668         Arm_input_section::set_final_data_size,
9669         Arm_input_section::do_reset_address_and_file_offset): New method
9670         definitions.
9671
9672 2009-10-21  Doug Kwan  <dougkwan@google.com>
9673
9674         * arm.cc (Stub_table, Arm_input_section): New forward class
9675         declarations.
9676         (Stub_table): New class defintion.
9677         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
9678         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
9679         New method definition.
9680
9681 2009-10-21  Doug Kwan  <dougkwan@google.com>
9682
9683         * arm.cc: Update copyright comments.
9684         (Target_arm): New forward class template declaration.
9685         (Arm_address): New type.
9686         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
9687         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
9688         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
9689         constants.
9690         (Insn_template): Same.
9691         (DEF_STUBS): New macro.
9692         (Stub_type): New enum type.
9693         (Stub_template): New class definition.
9694         (Stub): Same.
9695         (Reloc_stub): Same.
9696         (Stub_factory): Same.
9697         (Target_arm::Target_arm): Initialize may_use_blx_ and
9698         should_force_pic_veneer_.
9699         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
9700         Target_arm::should_force_pic_veneer,
9701         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
9702         Target_arm::using_thumb_only, Target_arm:;default_target): New
9703         method defintions.
9704         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
9705         New data member declarations.
9706         (Insn_template::size, Insn_template::alignment): New method defintions.
9707         (Stub_template::Stub_template): New method definition.
9708         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
9709         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
9710         (Stub_factory::Stub_factory): New method definition.
9711         * gold.h (string_hash): New template.
9712         * output.h (Input_section_specifier::hash_value): Use
9713         gold::string_hash.
9714         (Input_section_specifier::string_hash): Remove.
9715         * stringpool.cc (Stringpool_template::string_hash): Use
9716         gold::string_hash.
9717
9718 2009-10-20  Doug Kwan  <dougkwan@google.com>
9719
9720         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
9721         symbols of relaxed input sections.
9722         * output.h (Output_section::find_relaxed_input_section): Make
9723         method public.
9724
9725 2009-10-16  Doug Kwan  <dougkwan@google.com>
9726
9727         * dynobj.cc (Versions::Versions): Initialize version_script_.
9728         Only insert base version symbol definition for a shared object
9729         if version script defines any version versions.
9730         (Versions::define_base_version): New method definition.
9731         (Versions::add_def): Check that base version is not needed.
9732         (Versions::add_need): Define base version lazily.
9733         * dynobj.h (Versions::define_base_version): New method declaration.
9734         (Versions::needs_base_version_): New data member declaration.
9735         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
9736         (check_DATA): Add no_version_test.stdout.
9737         (libno_version_test.so, no_version_test.o no_version_test.stdout):
9738         New make rules.
9739         * testsuite/Makefile.in: Regenerate.
9740         * testsuite/no_version_test.c: New file.
9741         * testsuite/no_version_test.sh: Ditto.
9742
9743 2009-10-16  Doug Kwan  <dougkwan@google.com>
9744
9745         * expression.cc (class Segment_start_expression): New class definition.
9746         (Segment_start_expression::value): New method definition.
9747         (script_exp_function_segment_start): Return a new
9748         Segment_start_expression.
9749         * gold/script-c.h (script_saw_segment_start_expression): New function
9750         prototype.
9751         * script-sections.cc (Script_sections::Script_sections): Initialize
9752         SAW_SEGMENT_START_EXPRESSION_ to false.
9753         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
9754         and -Tbbs options to specify section addresses if given in
9755         command line and no SEGMENT_START expression is seen in a script.
9756         * script-sections.h (Script_sections::saw_segment_start_expression,
9757         Script_sections::set_saw_segment_start_expression): New method
9758         definition.
9759         (Script_sections::saw_segment_start_expression_): New data member
9760         declaration.
9761         * script.cc (script_saw_segment_start_expression): New function.
9762         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
9763         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
9764         script_test_7.sh and script_test_8.sh.
9765         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
9766         script_test_8.stdout.
9767         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
9768         (script_test_6, script_test_6.stdout, script_test_7,
9769         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
9770         * Makefile.in: Regenerate.
9771         * testsuite/script_test_6.sh: New file.
9772         * testsuite/script_test_6.t: Same.
9773         * testsuite/script_test_7.sh: Same.
9774         * testsuite/script_test_7.t: Same.
9775         * testsuite/script_test_8.sh: Same.
9776
9777 2009-10-16  Doug Kwan  <dougkwan@google.com>
9778
9779         * output.cc (Output_segment::set_section_list_address): Cast
9780         expressions to unsigned long long type to avoid format warnings.
9781
9782 2009-10-15  Ian Lance Taylor  <iant@google.com>
9783
9784         * script.cc (Script_options::add_symbol_assignment): Always add a
9785         dot assignment to script_sections_.
9786         * script-sections.cc (Script_sections::add_dot_assignment):
9787         Initialize if necessary.
9788
9789         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
9790         program headers with no load segment if there is a linker script.
9791
9792         * layout.cc (Layout::set_segment_offsets): Align the file offset
9793         to the segment aligment for -N or -n with no load segment.
9794         * output.cc (Output_segment::add_output_section): Don't crash if
9795         the first section is a TLS section.
9796         (Output_segment::set_section_list_addresses): Print an error
9797         message if the address moves backward in a linker script.
9798         * script-sections.cc
9799         (Output_section_element_input::set_section_addresses): Don't
9800         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
9801         (Orphan_output_section::set_section_addresses): Likewise.
9802
9803 2009-10-15  Doug Kwan  <dougkwan@google.com>
9804
9805         * layout.cc (Layout::finish_dynamic_section): Generate tags
9806         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
9807         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
9808         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
9809
9810 2009-10-14  Ian Lance Taylor  <iant@google.com>
9811
9812         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
9813         fields.
9814         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
9815         data_shdr fields of relinfo.
9816         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
9817         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
9818         R_386_TLS_LDO_32, adjust based on section flags.
9819         (Target_i386::Relocate::fix_up_ldo): Remove.
9820
9821 2009-10-13  Ian Lance Taylor  <iant@google.com>
9822
9823         Add support for -pie.
9824         * options.h (class General_options): Add -pie and
9825         --pic-executable.
9826         (General_options::output_is_position_independent): Test -pie.
9827         (General_options::output_is_executable): Return true if not shared
9828         and not relocatable.
9829         (General_options::output_is_pie): Remove.
9830         * options.cc (General_options::finalize): Reject incompatible uses
9831         of -pie.
9832         * gold.cc (queue_middle_tasks): A -pie link is not static.
9833         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
9834         * symtab.cc (Symbol::final_value_is_known): Return false if
9835         output_is_position_independent.
9836         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
9837         output_is_position_independent.
9838         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
9839         output_is_position_independent.
9840         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
9841         output_is_position_independent.
9842         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
9843         two_file_pie_test.
9844         (basic_pie_test.o, basic_pie_test): New targets.
9845         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
9846         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
9847         (two_file_pie_test): New target.
9848         * testsuite/Makefile.in: Rebuild.
9849         * README: Remove note saying that -pie is not supported.
9850
9851 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
9852
9853         * options.h (class General_options): Add -init and -fini.
9854         * layout.cc (Layout::finish_dynamic_section): Emit
9855         given init and fini functions.
9856
9857 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
9858
9859         * gc.h (gc_process_relocs): Check if icf is enabled using new
9860         function.
9861         * gold.cc (queue_initial_tasks): Likewise.
9862         (queue_middle_tasks): Likewise.
9863         * object.cc (do_layout): Likewise.
9864         * symtab.cc (is_section_folded): Likewise.
9865         * main.cc (main): Likewise.
9866         * reloc.cc (Read_relocs::run): Likewise.
9867         (Sized_relobj::do_scan_relocs): Likewise.
9868         * icf.cc (is_function_ctor_or_dtor): New function.
9869         (Icf::find_identical_sections): Check if function is ctor or dtor when
9870         safe icf is chosen.
9871         * options.h (General_options::icf): Change option to be an enum.
9872         (Icf_status): New enum.
9873         (icf_enabled): New method.
9874         (icf_safe_folding): New method.
9875         (set_icf_status): New method.
9876         (icf_status_): New variable.
9877         * (options.cc) (General_options::finalize): Set icf_status_.
9878         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
9879         icf_test and icf_keep_unique_test to use the --icf enum flag.
9880         * testsuite/icf_safe_test.sh: New file.
9881         * testsuite/icf_safe_test.cc: New file.
9882
9883 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
9884
9885         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
9886         includes to gc.h and icf.h.
9887         * arm.cc: Include gc.h.
9888         * gold.cc: Likewise.
9889         * i386.cc: Likewise.
9890         * powerpc.cc: Likewise.
9891         * sparc.cc: Likewise.
9892         * x86_64.cc: Likewise.
9893         * gc.h: Include icf.h.
9894
9895 2009-10-11  Ian Lance Taylor  <iant@google.com>
9896
9897         * plugin.cc: Include "gold.h" before other header files.
9898
9899 2009-10-10  Chris Demetriou  <cgd@google.com>
9900
9901         * options.h (Input_file_argument::Input_file_type): New enum.
9902         (Input_file_argument::is_lib_): Replace with...
9903         (Input_file_argument::type_): New member.
9904         (Input_file_argument::Input_file_argument): Take Input_file_type
9905         'type' rather than boolean 'is_lib' as second argument.
9906         (Input_file_argument::is_lib): Use type_.
9907         (Input_file_argument::is_searched_file): New function.
9908         (Input_file_argument::may_need_search): Handle is_searched_file.
9909         * options.cc (General_options::parse_library): Support -l:filename.
9910         (General_options::parse_just_symbols): Update for Input_file_argument
9911         changes.
9912         (Command_line::process): Likewise.
9913         * archive.cc (Archive::get_file_and_offset): Likewise.
9914         * plugin.cc (Plugin_manager::release_input_file): Likewise.
9915         * script.cc (read_script_file, script_add_file): Likewise.
9916         * fileread.cc (Input_file::Input_file): Likewise.
9917         (Input_file::will_search_for): Handle is_searched_file.
9918         (Input_file::open): Likewise.
9919         * readsyms.cc (Read_symbols::get_name): Likewise.
9920         * testsuite/Makefile.am (searched_file_test): New test.
9921         * testsuite/Makefile.in: Regenerate.
9922         * testsuite/searched_file_test.cc: New file.
9923         * testsuite/searched_file_test_lib.cc: New file.
9924
9925 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9926             Ian Lance Taylor  <iant@google.com>
9927
9928         * descriptor.cc: Include <cstdio> and "binary-io.h".
9929         (Descriptors::open): Open the files in binary mode always.
9930         * script.cc (Lex::get_token): Treat \r as whitespace.
9931
9932 2009-10-09  Ian Lance Taylor  <iant@google.com>
9933
9934         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
9935
9936 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9937             Ian Lance Taylor  <iant@google.com>
9938
9939         * configure.ac: Check for readv function also.
9940         * fileread.cc (readv): Define if not HAVE_READV.
9941         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
9942         does not exist.
9943         * config.in: Regenerate.
9944         * configure: Regenerate.
9945
9946 2009-10-09  Doug Kwan  <dougkwan@google.com>
9947
9948         * layout.cc (Layout::make_output_section): Call target hook to make
9949         ordinary output section.
9950         (Layout::finalize): Adjust parameter list of call the
9951         Target::may_relax().
9952         * layout.h (class Layout::section_list): New method.
9953         * merge.h (Output_merge_base::entsize): Change visibility to public.
9954         (Output_merge_base::is_string, Output_merge_base::do_is_string):
9955         New methods.
9956         (Output_merge_string::do_is_string): New method.
9957         * object.cc (Sized_relobj::do_setup): renamed from
9958         Sized_relobj::set_up.
9959         * object.h (Sized_relobj::adjust_shndx,
9960         Sized_relobj::initializ_input_to_output_maps,
9961         Sized_relobj::free_input_to_output_maps): Change visibilities to
9962         protected.
9963         (Sized_relobj::setup): Virtualize.
9964         (Sized_relobj::do_setup): New method declaration.
9965         (Sized_relobj::invalidate_section_offset,
9966         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
9967         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
9968         * options.cc (parse_int): New function.
9969         * options.h (parse_int): New declaration.
9970         (DEFINE_int): New macro.
9971         (stub_group_size): New option.
9972         * output.cc (Output_section::Output_section): Initialize memebers
9973         merge_section_map_, merge_section_by_properties_map_,
9974         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
9975         (Output_section::add_input_section): Handled deferred code-fill
9976         generation and remove an old comment.
9977         (Output_section::add_relaxed_input_section): New method definition.
9978         (Output_section::add_merge_input_section): Use merge section by
9979         properties map to speed to search.  Update merge section maps
9980         as appropriate.
9981         (Output_section::build_relaxation_map): New method definition.
9982         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
9983         Same.
9984         (Output_section::relax_input_section): Renamed to
9985         Output_section::convert_input_sections_to_relaxed_sections and change
9986         interface to take a vector of pointers to relaxed sections.
9987         (Output_section::find_merge_section,
9988         Output_section::find_relaxed_input_section): New method definitions.
9989         (Output_section::is_input_address_mapped,
9990         Output_section::output_offset, Output_section::output_address):
9991         Use output section data maps to speed up searching.
9992         (Output_section::find_starting_output_address): Add comments.
9993         (Output_section::do_write,
9994         Output_section::write_to_postprocessing_buffer): Do code-fill
9995         generation as appropriate.
9996         (Output_section::get_input_sections): Invalidate relaxed input section
9997         map.
9998         (Output_section::restore_states): Adjust type of checkpoint .
9999         Invalidate relaxed input section map.
10000         * output.h (Output_merge_base): New class declaration.
10001         (Input_section_specifier): New class defintion.
10002         (class Output_relaxed_input_section) Change base class to
10003         Output_section_data_build.
10004         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
10005         base class initializer.
10006         (Output_section::add_relaxed_input_section): New method declaration.
10007         (Output_section::Input_section): Change visibility to protected.
10008         (Output_section::Input_section::relobj,
10009         Output_section::Input_section::shndx): Handle relaxed input sections.
10010         Output_section::input_sections) Change visibility to protected.  Also
10011         define overload to return a non-const pointer.
10012         (Output_section::Merge_section_properties): New class defintion.
10013         (Output_section::Merge_section_by_properties_map,
10014         Output_section::Output_section_data_by_input_section_map,
10015         Output_section::Relaxation_map): New types.
10016         (Output_section::relax_input_section): Rename method to
10017         Output_section::convert_input_sections_to_relaxed_sections and change
10018         interface to take a vector of relaxed section pointers.
10019         (Output_section::find_merge_section,
10020         Output_section::find_relaxed_input_section,
10021         Output_section::build_relaxation_map,
10022         Output_section::convert_input_sections_in_list_to_relaxed_sections):
10023         New method declarations.
10024         (Output_section::merge_section_map_
10025         Output_section::merge_section_by_properties_map_,
10026         Output_section::relaxed_input_section_map_,
10027         Output_section::is_relaxed_input_section_map_valid_,
10028         Output_section::generate_code_fills_at_write_): New data members.
10029         * script-sections.cc
10030         (Output_section_element_input::set_section_addresses): Call
10031         current_data_size and addralign methods of relaxed input sections.
10032         (Orphan_output_section::set_section_addresses): Call current_data_size
10033         and addralign methods of relaxed input sections.
10034         * symtab.cc (Symbol_table::compute_final_value): Extract template
10035         from the body of Symbol_table::sized_finalize_symbol.
10036         (Symbol_table::sized_finalized_symbol): Call
10037         Symbol_table::compute_final_value.
10038         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
10039         (Symbol_table::compute_final_value): New templated method declaration.
10040         * target.cc (Target::do_make_output_section): New method defintion.
10041         * target.h (Target::make_output_section): New method declaration.
10042         (Target::relax): Add more parameters for input objects, symbol table
10043         and layout.  Adjust call to do_relax.
10044         (Target::do_make_output_section): New method declaration.
10045         (Target::do_relax): Add parameters for input objects, symbol table
10046         and layout.
10047
10048 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10049
10050         * pread.c: Include stdio.h.
10051
10052 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10053
10054         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
10055         defined.
10056
10057 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
10058
10059         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
10060         Change read_shndx type to unsigned int.
10061         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
10062         int.
10063         (Sized_dwarf_line_info::read_line_mappings): Likewise.
10064         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
10065         Change read_shndx type to unsigned int.
10066         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
10067         int.
10068         (Sized_dwarf_line_info::read_line_mappings): Likewise.
10069         * layout.cc (Layout::create_symtab_sections): Cast the result of
10070         local_symcount * symsize to off_t in the gold_assert.
10071
10072 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10073
10074         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
10075         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
10076         R_ARM_BASE_ABS.
10077         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
10078         (Arm_relocate_functions::thm_abs5): New function.
10079         (Arm_relocate_functions::abs12): New function.
10080         (Arm_relocate_functions::abs16): New function.
10081         (Arm_relocate_functions::base_abs): New function.
10082         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
10083         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
10084         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
10085         R_ARM_BASE_ABS.
10086         (Scan::global): Likewise.
10087         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
10088         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
10089         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
10090         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
10091         R_ARM_BASE_ABS.
10092
10093 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10094
10095         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
10096         (Arm_relocate_functions::movt_prel): New function.
10097         (Arm_relocate_functions::thm_movw_prel_nc): New function.
10098         (Arm_relocate_functions::thm_movt_prel): New function.
10099         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
10100         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
10101         (Scan::global, Relocate::relocate): Likewise.
10102         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
10103
10104 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
10105
10106         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
10107         Incremental_checker.
10108         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
10109         unsigned int.
10110         (class Incremental_inputs_header): New class.
10111         (Incremental_inputs_header_writer): Edit comment.
10112         (Incremental_inputs_entry): New class.
10113         (Incremental_inputs_entry_writer): Edit comment.
10114         (Sized_incremental_binary::do_find_incremental_inputs_section):
10115         Add *strtab_shndx parameter, fill it.
10116         (Sized_incremental_binary::do_check_inputs): New method.
10117         (Incremental_checker::can_incrementally_link_output_file): Use
10118         Sized_incremental_binary::check_inputs.
10119         (Incremental_inputs::report_command_line): Save command line in
10120         command_line_.
10121         * incremental.h:
10122         (Incremental_binary::find_incremental_inputs_section): New
10123         method.
10124         (Incremental_binary::do_find_incremental_inputs_section): Add
10125         strtab_shndx parameter.
10126         (Incremental_binary::do_check_inputs): New pure virtual method.
10127         (Sized_incremental_binary::do_check_inputs): Declare.
10128         (Incremental_checker::Incremental_checker): Add incremental_inputs
10129         parameter, use it to initialize incremental_inputs_.
10130         (Incremental_checker::incremental_inputs_): New field.
10131         (Incremental_checker::command_line): New method.
10132         (Incremental_checker::inputs): New method.
10133         (Incremental_checker::command_line_): New field.
10134
10135 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
10136
10137         * incremental.cc: Include <cstdarg> and "target-select.h".
10138         (vexplain_no_incremental): New function.
10139         (explain_no_incremental): New function.
10140         (Incremental_binary::error): New method.
10141         (Sized_incremental_binary::do_find_incremental_inputs_section): New
10142         method.
10143         (make_sized_incremental_binary): New function.
10144         (open_incremental_binary): New function.
10145         (can_incrementally_link_file): Add checks if output is ELF and has
10146         inputs section.
10147         * incremental.h: Include "elfcpp_file.h" and "output.h".
10148         (Incremental_binary): New class.
10149         (Sized_incremental_binary): New class.
10150         (open_incremental_binary): Declare.
10151         * object.cc (is_elf_object): Use
10152         elfcpp::Elf_recognizer::is_elf_file.
10153         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
10154         * output.h (Output_file::filesize): New method.
10155
10156 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10157
10158         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
10159         New function.
10160         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
10161         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
10162         function.
10163         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
10164         function.
10165         (Arm_relocate_functions::movw_abs_nc): New function.
10166         (Arm_relocate_functions::movt_abs): New function.
10167         (Arm_relocate_functions::thm_movw_abs_nc): New function.
10168         (Arm_relocate_functions::thm_movt_abs): New function.
10169         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
10170         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
10171         (Scan::global): Likewise.
10172         (Relocate::relocate): Likewise.
10173         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
10174
10175 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10176
10177         * arm.cc (Arm_relocate_functions::got_prel) New function.
10178         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
10179         (Relocate::relocate): Likewise.
10180         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
10181
10182 2009-10-06  Ian Lance Taylor  <iant@google.com>
10183
10184         * options.h (class General_options): Define
10185         split_stack_adjust_size parameter.
10186         * object.h (class Object): Add uses_split_stack_ and
10187         has_no_split_stack_ fields.  Add uses_split_stack and
10188         has_no_split_stack accessor functions.  Declare
10189         handle_split_stack_section.
10190         (class Reloc_symbol_changes): Define.
10191         (class Sized_relobj): Define Function_offsets.  Declare
10192         split_stack_adjust, split_stack_adjust_reltype, and
10193         find_functions.
10194         * object.cc (Object::handle_split_stack_section): New function.
10195         (Sized_relobj::do_layout): Call handle_split_stack_section.
10196         * dynobj.cc (Sized_dynobj::do_layout): Call
10197         handle_split_stack_section.
10198         * reloc.cc (Sized_relobj::relocate_sections): Call
10199         split_stack_adjust for executable sections in split_stack
10200         objects.  Pass reloc_map to relocate_section.
10201         (Sized_relobj::split_stack_adjust): New function.
10202         (Sized_relobj::split_stack_adjust_reltype): New function.
10203         (Sized_relobj::find_functions): New function.
10204         * target-reloc.h: Include "object.h".
10205         (relocate_section): Add reloc_symbol_changes parameter.  Change
10206         all callers.
10207         * target.h (class Target): Add calls_non_split method.  Declare
10208         do_calls_non_split virtual method.  Declare match_view and
10209         set_view_to_nop.
10210         * target.cc: Include "elfcpp.h".
10211         (Target::do_calls_non_split): New function.
10212         (Target::match_view): New function.
10213         (Target::set_view_to_nop): New function.
10214         * gold.cc (queue_middle_tasks): Give an error if mixing
10215         split-stack and non-split-stack objects with -r.
10216         * i386.cc (Target_i386::relocate_section): Add
10217         reloc_symbol_changes parameter.
10218         (Target_i386::do_calls_non_split): New function.
10219         * x86_64.cc (Target_x86_64::relocate_section): Add
10220         reloc_symbol_changes parameter.
10221         (Target_x86_64::do_calls_non_split): New function.
10222         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
10223         parameter.
10224         * powerpc.cc (Target_powerpc::relocate_section): Add
10225         reloc_symbol_changes parameter.
10226         * sparc.cc (Target_sparc::relocate_section): Add
10227         reloc_symbol_changes parameter.
10228         * configure.ac: Call AM_CONDITIONAL for the default target.
10229         * configure: Rebuild.
10230         * testsuite/Makefile.am (TEST_AS): New variable.
10231         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
10232         (check_DATA): Add split_i386 and split_x86_64 files.
10233         (SPLIT_DEFSYMS): Define.
10234         (split_i386_[1234n].o): New targets.
10235         (split_i386_[124]): New targets.
10236         (split_i386_[1234r].stdout): New targets.
10237         (split_x86_64_[1234n].o): New targets.
10238         (split_x86_64_[124]): New targets.
10239         (split_x86_64_[1234r].stdout): New targets.
10240         (MOSTLYCLEANFILES): Add new executables.
10241         * testsuite/split_i386.sh: New file.
10242         * testsuite/split_x86_64.sh: New file.
10243         * testsuite/split_i386_1.s: New file.
10244         * testsuite/split_i386_2.s: New file.
10245         * testsuite/split_i386_3.s: New file.
10246         * testsuite/split_i386_4.s: New file.
10247         * testsuite/split_i386_n.s: New file.
10248         * testsuite/split_x86_64_1.s: New file.
10249         * testsuite/split_x86_64_2.s: New file.
10250         * testsuite/split_x86_64_3.s: New file.
10251         * testsuite/split_x86_64_4.s: New file.
10252         * testsuite/split_x86_64_n.s: New file.
10253         * testsuite/testfile.cc (Target_test): Update relocation_section
10254         function.
10255         * testsuite/Makefile.in: Rebuild.
10256
10257 2009-10-06  Ian Lance Taylor  <iant@google.com>
10258
10259         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
10260         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
10261         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
10262         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
10263         the address on ldo_addrs_.
10264         (Target_i386::Relocate::fix_up_ldo): New function.
10265
10266 2009-10-06   Rafael Espindola  <espindola@google.com>
10267
10268         * plugin.cc (add_input_library): New.
10269         (Plugin::load): Add add_input_library to tv.
10270         (Plugin_manager::add_input_file): Add the is_lib argument.
10271         (add_input_file): Update call to Plugin_manager::add_input_file.
10272         (add_input_library): New.
10273         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
10274
10275 2009-09-30  Doug Kwan  <dougkwan@google.com>
10276
10277         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
10278         symbol and call Symbol::may_need_copy_reloc to determine if
10279         a copy reloc is needed.
10280         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
10281         nocopyreloc is given in command line.
10282         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
10283         given in command line.
10284         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
10285         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
10286         of the removed Target_i386::may_need_copy_reloc.
10287         * options.h (copyreloc): New option with default value false.
10288         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
10289         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
10290         instead of the removed Target_powerpc::may_need_copy_reloc.
10291         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
10292         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
10293         instead of the removed Target_sparc::may_need_copy_reloc.
10294         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
10295         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
10296         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
10297         instead of the removed Target_x86_64::may_need_copy_reloc.
10298
10299 2009-09-30  Ian Lance Taylor  <iant@google.com>
10300
10301         * object.h (class Object): Remove target_ field, and target,
10302         sized_target, and set_target methods.
10303         (Object::sized_target): Remove.
10304         (class Sized_relobj): Update declarations.  Remove sized_target.
10305         * object.cc (Sized_relobj::setup): Remove target parameter.
10306         Change all callers.
10307         (Input_objects::add_object): Don't do anything with the target.
10308         (make_elf_sized_object): Add punconfigured parameter.  Change all
10309         callers.  Set or test parameter target.
10310         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
10311         Change all callers.
10312         * parameters.cc (Parameters::set_target): Change parameter type to
10313         be non-const.
10314         (Parameters::default_target): Remove.
10315         (set_parameters_target): Change parameter type to be non-const.
10316         (parameters_force_valid_target): New function.
10317         (parameters_clear_target): New function.
10318         * parameters.h (class Parameters): Update declarations.  Remove
10319         default_target method.  Add sized_target and clear_target
10320         methods.  Change target_ to be non-const.
10321         (set_parameters_target): Update declaration.
10322         (parameters_force_valid_target): Declare.
10323         (parameters_clear_target): Declare.
10324         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
10325         as NULL if we aren't searching.
10326         (Add_symbols::run): Don't check for compatible target.
10327         * fileread.cc (Input_file::open_binary): Call
10328         parameters_force_valid_target.
10329         * gold.cc (queue_middle_tasks): Likewise.
10330         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
10331         set_target on object.
10332         * dynobj.h (class Sized_dynobj): Update declarations.
10333         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
10334         make_elf_object returns NULL.
10335         (Archive::include_member): Don't check whether object target is
10336         compatible.
10337         * output.cc (Output_section::add_input_section): Get target from
10338         parameters.
10339         (Output_section::relax_input_section): Likewise.
10340         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
10341         parameters.
10342         (Sized_relobj::do_scan_relocs): Likewise.
10343         (Sized_relobj::relocate_sections): Likewise.
10344         * resolve.cc (Symbol_table::resolve): Likewise.
10345         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
10346         parameter.  Change all callers.
10347         (Symbol_table::add_from_object): Get target from parameters.
10348         (Symbol_table::add_from_relobj): Don't check object target.
10349         (Symbol_table::add_from_dynobj): Likewise.
10350         (Symbol_table::define_special_symbol): Get target from
10351         parameters.
10352         * symtab.h (class Symbol_table): Update declaration.
10353         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
10354         parameter.  Change all callers.  Clear parameter target.
10355         (Binary_test): Test target here.
10356         * testsuite/object_unittest.cc (gold_testsuite): Remove
10357         target_test_pointer parameter.  Change all callers.
10358         (Object_test): Test target here.
10359
10360 2009-09-26  Ian Lance Taylor  <iant@google.com>
10361
10362         * testsuite/initpri1.c: Don't try to use constructor priorities if
10363         compiling with gcc before 4.3.
10364
10365 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
10366
10367         * testsuite/retain_symbols_file_test.sh (check_present): Change
10368         output file name to retain_symbols_file_test.stdout.
10369         (check_absent): Likewise.
10370
10371 2009-09-18  Craig Silverstein  <csilvers@google.com>
10372
10373         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
10374         * options.cc: Include <cerrno> and <fstream>.
10375         (General_options::finalize): Parse -retain-symbols-file tag.
10376         * options.h: New flag.
10377         (General_options): New method should_retain_symbol, new
10378         variable symbols_to_retain.
10379         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
10380         should_retain_symbol map.
10381         * testsuite/Makefile.am (retain_symbols_file_test): New test.
10382         * testsuite/Makefile.in: Regenerate.
10383         * testsuite/retain_symbols_file_test.sh: New file.
10384
10385 2009-09-18  Nick Clifton  <nickc@redhat.com>
10386
10387         * po/es.po: Updated Spanish translation.
10388
10389 2009-09-17  Doug Kwan  <dougkwan@google.com>
10390
10391         * debug.h (DEBUG_RELAXATION): New constant.
10392         (DEBUG_ALL): Add DEBUG_RELAXATION.
10393         (debug_string_to_enum): Add relaxation debug option.
10394         * layout.cc
10395         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
10396         Layout::Relaxation_debug_check::read_sections,
10397         Layout::Relaxation_debug_check::read_sections): New method definitions.
10398         (Layout::Layout): Initialize data members
10399         record_output_section_data_from_scrips_,
10400         script_output_section_data_list_ and relaxation_debug_check_.
10401         (Layout::save_segments, Layout::restore_segments,
10402         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10403         Layout::relaxation_loop_body): New method definitions.
10404         (Layout::finalize): Support relaxation.  Move section layout code to
10405         Layout::relaxation_loop_body.
10406         (Layout::set_asection_address_from_script): Move code for orphan
10407         section placement out.
10408         (Layout::place_orphan_sections_in_script): New method definition.
10409         * layout.h (Output_segment_headers, Output_file_header):
10410         New forward class declarations.
10411         (Layout::~Layout): Define.
10412         (Layout::new_output_section_data_from_script): New method definition.
10413         (Layout::place_orphan_sections_in_script): New method declaration.
10414         (Layout::Segment_states): New type declaration.
10415         (Layout::save_segments, Layout::restore_segments,
10416         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
10417         Layout::relaxation_loop_body): New method declarations.
10418         (Layout::Output_section_data_list): New type declaration.
10419         (Layout::Relaxation_debug_check): New class definition.
10420         (Layout::record_output_section_data_from_script_,
10421         Layout::script_output_section_data_list_, Layout::segment_states_,
10422         Layout::relaxation_debug_check_): New data members.
10423         * output.cc: (Output_section_headers::do_size): New method definition.
10424         (Output_section_headers::Output_section_headers): Move size
10425         computation to Output_section_headers::do_size.
10426         (Output_segment_headers::do_size): New method definition.
10427         (Output_file_header::Output_file_header): Move size computation to
10428         Output_file_header::do_size and call it.
10429         (Output_file_header::do_size): New method definition.
10430         (Output_data_group::Output_data_group): Adjust call to
10431         Output_section_data.
10432         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
10433         (Output_symtab_xindex::do_write): Add array bound check.
10434         (Output_section::Input_section::print_to_mapfile): Handle
10435         RELAXED_INPUT_SECTION_CODE.
10436         (Output_section::Output_section): Initialize data member checkpoint_.
10437         (Output_section::~Output_section): Delete checkpoint object pointed
10438         by checkpoint_.
10439         (Output_section::add_input_section): Always add an Input_section if
10440         relaxing.
10441         (Output_section::add_merge_input_section): Add assert.
10442         (Output_section::relax_input_section): New method definition.
10443         (Output_section::set_final_data_size): Set load address to zero for
10444         an unallocated section.
10445         (Output_section::do_address_and_file_offset_have_reset_values):
10446         New method definition.
10447         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
10448         Handle relaxed input section.
10449         (Output_section::sort_attached_input_sections): Checkpoint input
10450         section list lazily.
10451         (Output_section::get_input_sections): Change type of input_sections to
10452         list of Simple_input_section pointers.  Checkpoint input section list
10453         lazily.  Also handle relaxed input sections.
10454         (Output_section::add_input_section_for_script): Take a reference to
10455         a Simple_input_section object instead of Relobj pointer and section
10456         index as parameter.  Handle relaxed input sections.
10457         (Output_section::save_states, Output_section::restore_states): New
10458         method definitions.
10459         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
10460         (Output_data::is_data_size_fixed): New method definition.
10461         (Output_data::reset_addresss_and_file_offset): Do not reset data size
10462         if it is fixed.
10463         (Output_data::address_and_file_offset_have_reset_values): New method
10464         definition.
10465         (Output_data::do_address_and_file_offset_have_reset_values): New method
10466         definition.
10467         (Output_data::set_data_size): Check that data size is not fixed.
10468         (Output_data::fix_data_size): New method definition.
10469         (Output_data::is_data_size_fixed_): New data member.
10470         (Output_section_headers::set_final_data_size): New method definition.
10471         (Output_section_headers::do_size): New method declaration.
10472         (Output_segment_headers::set_final_data_size): New method definition.
10473         (Output_segment_headers::do_size): New method declaration.
10474         (Output_file_header::set_final_data_size)::New method definition.
10475         (Output_file_header::do_size)::New method declaration.
10476         (Output_section_data::Output_section_data): Add new parameter
10477         is_data_size_fixed and use it to fix data size.
10478         (Output_data_const::Output_data_const): Adjust call to base class
10479         constructor and fix data size.
10480         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
10481         base class constructor and fix data size.
10482         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
10483         base class constructor and fix data size.
10484         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
10485         class constructor and fix data size.
10486         (Output_data_group::set_final_data_size): New method definition.
10487         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
10488         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
10489         class constructor and fix data size.
10490         (Output_relaxed_input_section): New class definition.
10491         (Output_section::Simple_input_section): New class definition.
10492         (Output_section::get_input_sections): Adjust parameter list.
10493         (Output_section::add_input_section_for_script): Same.
10494         (Output_section::save_states, Output_section::restore_states,
10495         Output_section::do_address_and_file_offset_have_reset_values,
10496         (Output_section::Input_section::Input_section): Handle
10497         RELAXED_INPUT_SECTION_CODE.  Add new overload for
10498         Output_relaxed_input_section.
10499         (Output_section::Input_section::is_input_section,
10500         Output_section::Input_section::set_output_section): Handle relaxed
10501         input section.
10502         (Output_section::Input_section::is_relaxed_input_section,
10503         Output_section::Input_section::output_section_data,
10504         Output_section::Input_section::relaxed_input_section): New method
10505         definitions.
10506         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
10507         value.
10508         (Output_section::Input_section::u1_): Update comments.
10509         (Output_section::Input_section::u2_): Add new union member poris.
10510         (Output_section::Checkpoint_output_section): New classs definition.
10511         (Output_section::relax_input_section): New method declaration.
10512         (Output_section::checkpoint_): New data member.
10513         (Output_segment): Update comments.
10514         (Output_segment::Output_segment): Un-privatize copy constructor.
10515         (Output_segment::operator=): Un-privatize.
10516         * script-sections.cc (Output_section_element::Input_section_list):
10517         Change element type to Output_section::Simple_input_section.
10518         (Output_section_element_dot_assignment::set_section_addresses):
10519         Register output section data for relaxation clean up.
10520         (Output_data_exression::Output_data_expression): Adjust call to base
10521         constructor to fix data size.
10522         (Output_section_element_data::set_section_addresses): Register
10523         Output_data_expression object for relaxation clean up.
10524         (struct Input_section_info): Replace Relobj pointer and section index
10525         pair with Output_section::Simple_input_section and Convert struct to a
10526         class.
10527         (Input_section_sorter::operator()): Adjust access to
10528         Input_section_info data member to use accessors.
10529         (Output_section_element_input::set_section_addresses): Use layout
10530         parameter.  Adjust code to use Output_section::Simple_input_section
10531         and Input_secction_info classes.  Register filler for relaxation
10532         clean up.
10533         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
10534         and section index pair with Output_section::Simple_input_section
10535         class.  Adjust code accordingly.
10536         (Phdrs_element::release_segment): New method definition.
10537         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
10538         segment list.
10539         (Script_sections::release_segments): New method definition.
10540         * gold/script-sections.h (Script_sections::release_segments): New
10541         method declaration.
10542         * gold/target.h (Target::may_relax, Target::relax,
10543         Target::do_may_relax, Target::do_relax): New method definitions.
10544
10545 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
10546
10547         * arm.cc (has_signed_unsigned_overflow): New function.
10548         (Arm_relocate_functions::abs8): New function.
10549         (Target_arm::Scan::local): Handle R_ARM_ABS8.
10550         (Target_arm::Scan::global): Likewise.
10551         (Target_arm::relocate::relocate): Likewise.
10552         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
10553         Likewise.
10554
10555 2009-09-16  Cary Coutant  <ccoutant@google.com>
10556
10557         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
10558         * testsuite/Makefile.in: Regenerate.
10559
10560 2009-09-11  Nick Clifton  <nickc@redhat.com>
10561
10562         * po/gold.pot: Updated by the Translation project.
10563
10564 2009-09-08  Cary Coutant  <ccoutant@google.com>
10565
10566         * output.cc (Output_file::open): Add execute permission to empty file.
10567         * testsuite/Makefile.am (permission_test): New test.
10568         * testsuite/Makefile.in: Regenerate.
10569
10570 2009-09-02  Ian Lance Taylor  <iant@google.com>
10571
10572         * output.cc (Output_file::resize): Call map_no_anonymous rather
10573         than map.
10574
10575 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
10576
10577         * gold.cc: Include "incremental.h".
10578         (queue_initial_tasks): Call Incremental_checker methods.
10579         * incremental.cc: Include "output.h".
10580         (Incremental_checker::can_incrementally_link_output_file): New
10581         method.
10582         * incremental.h (Incremental_checker): New class.
10583
10584         * output.cc (Output_file::open_for_modification): New method.
10585         (Output_file::map_anonymous): Changed return type to bool.  Record
10586         map in base_ field.
10587         (Output_file::map_no_anonymous): New method, broken out of map.
10588         (Output_file::map): Use map_no_anonymous and map_anonymous.
10589         * output.h (class Output_file): Update declarations.
10590
10591 2009-08-24  Cary Coutant  <ccoutant@google.com>
10592
10593         * options.h (Command_line::Pre_options): New class.
10594         (Command_line::pre_options): New member.
10595         * options.cc (gold::options::ready_to_register): New variable.
10596         (One_option::register_option): Do nothing if not registering options.
10597         Assert if same short option registered twice.
10598         (General_options::General_options): Turn off option registration when
10599         done constructing.
10600         (Command_line::Pre_options::Pre_options): New constructor.
10601
10602 2009-08-24  Cary Coutant  <ccoutant@google.com>
10603
10604         * options.h (General_options::no_keep_memory): Remove incorrect
10605         short option.
10606
10607 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10608
10609         * Makefile.am (am__skiplex, am__skipyacc): New.
10610         * Makefile.in: Regenerate.
10611
10612 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10613
10614         * Makefile.am (AM_CPPFLAGS): Renamed from ...
10615         (INCLUDES): ... this.
10616         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
10617         (AM_CPPFLAGS): Renamed from ...
10618         (INCLUDE): ... this.
10619         * Makefile.in, testsuite/Makefile.in: Regenerate.
10620
10621         * Makefile.in: Regenerate.
10622         * aclocal.m4: Likewise.
10623         * config.in: Likewise.
10624         * configure: Likewise.
10625         * testsuite/Makefile.in: Likewise.
10626
10627         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10628         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
10629         * Makefile.in: Regenerate.
10630         * testsuite/Makefile.in: Regenerate.
10631
10632 2009-08-19  Cary Coutant  <ccoutant@google.com>
10633
10634         * resolve.cc (Symbol_table::resolve): Don't complain about defined
10635         symbols in shared libraries overridden by hidden or internal symbols
10636         in the main program.
10637
10638 2009-08-19  Chris Demetriou  <cgd@google.com>
10639
10640         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
10641         checking source file names in error messages.
10642
10643 2009-08-18  Doug Kwan  <dougkwan@google.com>
10644
10645         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
10646         an elcpp::Ehdr as parameter.  Adjust call to set_target.
10647         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
10648         an elfcpp::Ehdr as parameter.
10649         * object.cc (Object::set_target): Remove the version that looks up
10650         a target and sets it.
10651         (Sized_relobj::setup): Take a Target object instead of
10652         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
10653         (make_elf_sized_object): Find target and ask target to
10654         make an ELF object.
10655         * object.h: (Object::set_target): Remove the version that looks up
10656         a target and sets it.
10657         (Sized_relobj::setup): Take a Target object instead of
10658         an elfcpp:Ehdr as parameter.
10659         * target.cc: Include dynobj.h.
10660         (Target::do_make_elf_object_implementation): New.
10661         (Target::do_make_elf_object): New.
10662         * target.h (Target::make_elf_object): New template declaration.
10663         (Target::do_make_elf_object): New method declarations.
10664         (Target::do_make_elf_object_implementation): New template declaration.
10665
10666 2009-08-14  Ian Lance Taylor  <iant@google.com>
10667
10668         * gold.h (FUNCTION_NAME): Define.
10669         (gold_unreachable): Use FUNCTION_NAME.
10670
10671 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10672
10673         * icf.cc (Icf::find_identical_sections): Issue a warning when a
10674         symbol in the --keep-unique list is not found.
10675
10676 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
10677
10678         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
10679         been maked as --keep-unique.
10680         (Icf::unfold_section): New function.
10681         * icf.h (Icf::unfold_section): New function.
10682         * options.h (General_options::keep_unique): New option.
10683         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
10684         * testsuite/Makefile.in: Regenerate.
10685         * testsuite/icf_keep_unique_test.sh: New file.
10686         * testsuite/icf_keep_unique_test.cc: New file.
10687
10688 2009-08-12  Cary Coutant  <ccoutant@google.com>
10689
10690         PR 10471
10691         * resolve.cc (Symbol_table::resolve): Check for references from
10692         dynamic objects to hidden and internal symbols.
10693         * testsuite/Makefile.am (hidden_test.sh): New test.
10694         * testsuite/Makefile.in: Regenerate.
10695         * testsuite/hidden_test.sh: New script.
10696         * testsuite/hidden_test_1.c: New test source.
10697         * testsuite/hidden_test_main.c: New test source.
10698
10699 2009-08-11  Doug Kwan  <dougkwan@google.com>
10700
10701         * arm.cc: Update comments.
10702         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
10703         segment to locate the .ARM.exidx section if present.
10704
10705 2009-08-09  Doug Kwan  <dougkwan@google.com>
10706
10707         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
10708         patch.
10709
10710 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
10711         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
10712         compiler warnings.
10713
10714 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
10715
10716         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
10717         valid tls_segment only for non-debug-section relocations.
10718         * testsuite/Makefile.am: Add gc_tls_test.
10719         * testsuite/Makefile.in: Regenerate.
10720         * testsuite/gc_tls_test.cc: New file.
10721         * testsuite/gc_tls_test.sh: New file.
10722
10723 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
10724
10725         * icf.cc: New file.
10726         * icf.h: New file.
10727         * Makefile.am (CCFILES): Add icf.cc.
10728         (HFILES): Add icf.h
10729         * Makefile.in: Regenerate.
10730         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
10731         * gc.h (gc_process_relocs): Populate lists used by icf to contain
10732         section, symbol and addend information for the relocs.
10733         * gold.cc (queue_middle_tasks): Call identical code folding.
10734         * gold.h: Add defines for multimap.
10735         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
10736         to the call of finalize_local_symbols.
10737         * main.cc (main): Create object of class Icf.
10738         * object.cc (Sized_relobj::do_layout): Allow this function to be
10739         called twice during icf.
10740         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
10741         to sections marked as identical by icf.
10742         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
10743         when available.
10744         (Sized_relobj::do_section_entsize): New function.
10745         * object.h (Object::section_entsize): New function.
10746         (Object::do_section_entsize): New pure virtual function.
10747         (Relobj::finalize_local_symbols): Add new parameter.
10748         (Relobj::do_section_entsize): New function.
10749         * options.h (General_options::icf): New option.
10750         (General_options::icf_iterations): New option.
10751         (General_options::print_icf_sections): New option.
10752         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
10753         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
10754         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
10755         icf.
10756         * symtab.cc (Symbol_table::is_section_folded): New function.
10757         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
10758         to sections marked as identical by icf.
10759         * symtab.h (Symbol_table::set_icf): New function.
10760         (Symbol_table::icf): New function.
10761         (Symbol_table::is_section_folded): New function.
10762         (Symbol_table::icf_): New data member.
10763         * target-reloc.h (relocate_section): Ignore sections folded by icf.
10764         * testsuite/Makefile.am: Add commands to build icf_test.
10765         * testsuite/Makefile.in: Regenerate.
10766         * testsuite/icf_test.sh: New file.
10767         * testsuite/icf_test.cc: New file.
10768
10769 2009-07-24  Chris Demetriou  <cgd@google.com>
10770
10771         * layout.cc (is_compressible_debug_section): Fix incorrect
10772         comment about compressed section names.
10773
10774 2009-07-20  Ian Lance Taylor  <ian@airs.com>
10775
10776         PR 10419
10777         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
10778
10779 2009-07-16  Ian Lance Taylor  <iant@google.com>
10780
10781         PR 10400
10782         * layout.h: #include <map>.
10783         (class Kept_section): Change from struct to class.  Add accessors
10784         and setters.  Add section size to Comdat_group mapping.  Change
10785         Comdat_group to std::map.  Add is_comdat_ field.  Add
10786         linkonce_size field in union.
10787         (class Layout): Update declaration of find_or_add_kept_section.
10788         Don't declare find_kept_object.
10789         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
10790         parameter.  Add object, shndx, is_comdat, and is_group_name
10791         parameters.  Change all callers.  Adjust for new Kept_section.
10792         (Layout::find_kept_object): Remove.
10793         * object.cc (Sized_relobj::include_section_group): Update use of
10794         Kept_section.  Rename secnum to shndx.  Only record
10795         Kept_comdat_section if sections are the same size.
10796         (Sized_relobj::include_linkonce_section): Update use of
10797         Kept_section.  Only record Kept_comdat_section if sections are the
10798         same size.  Set size of linkonce section.
10799         (Sized_relobj::map_to_kept_section): Update call to
10800         get_kept_comdat_section.
10801         * object.h (class Sized_relobj): Rename fields in
10802         Kept_comdat_section to drop trailing underscores; change object
10803         field to Relobj*.  Change Kept_comdat_section_table to store
10804         struct rather than pointer.
10805         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
10806         Add kept_object and kept_shndx parameters.  Change all callers.
10807         (Sized_relobj::get_kept_comdat_section): Change return type to
10808         bool.  Add kept_object and kept_shndx parameters.  Change all
10809         callers.
10810         * plugin.cc (Pluginobj::include_comdat_group): Update call to
10811         Layout::find_or_add_kept_section.
10812
10813 2009-07-09  Ian Lance Taylor  <iant@google.com>
10814
10815         * merge.cc (Object_merge_map::initialize_input_to_output_map):
10816         Reserve space in the hash table.
10817
10818 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
10819
10820         * fileread.cc (File_read::get_mtime): New method.
10821         * fileread.h (Timespec): New structure.
10822         (File_read::get_mtime): New method.
10823         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
10824         Renamed from timestamp_nsec.
10825         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
10826         Elf_Xword.
10827         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
10828         timestamp_nsec.
10829         (Incremental_inputs::report_archive): Save mtime; style fix.
10830         (Incremental_inputs::report_obejct): Save mtime; style fix.
10831         (Incremental_inputs::report_script): Save mtime; style fix.
10832         (Incremental_inputs::finalize_inputs): Style fix.
10833         (Incremental_inputs::finalize): Style fix.
10834         (Incremental_inputs::create_input_section_data): Store inputs
10835         mtime.
10836         * incremental.h (Incremental_inputs::report_script): Add mtime
10837         argument.
10838         (Incremental_inputs::Input_info::Input_info): Intialize only one
10839         union member.
10840         (Incremental_inputs::Input_info::archive): Move to nameless
10841         union.
10842         (Incremental_inputs::Input_info::obejct): Move to nameless union.
10843         (Incremental_inputs::Input_info::script): Move to nameless union.
10844         (Incremental_inputs::mtime): New field.
10845         * script.cc (read_input_script): Pass file mtime to
10846         Incremental_input.
10847         * script.h (Script_info::inputs): Style fix.
10848
10849 2009-07-01  Ian Lance Taylor  <ian@airs.com>
10850
10851         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
10852         instead of 32.
10853
10854 2009-06-24  Ian Lance Taylor  <iant@google.com>
10855
10856         PR 10156
10857         * layout.cc (Layout::choose_output_section): If we find an
10858         existing section, update the flags.
10859         (Layout::create_notes): New function, broken out of
10860         Layout::finalize.
10861         (Layout::finalize): Don't create note sections.
10862         (Layout::create_note): Don't crash if linker script discards
10863         section.
10864         (Layout::create_gold_note): Likewise.
10865         (Layout::create_build_id): Likewise.  Don't set
10866         after_input_sections on the section.
10867         (Layout::create_executable_stack_info): Remove target parameter.
10868         Change caller.
10869         * layout.h (class Layout): Declare create_notes.  Update
10870         declaration of create_executable_stack_info.
10871         * gold.cc (queue_middle_tasks): Call create_notes.
10872         * output.cc (Output_section::update_flags_for_input_section): Move
10873         here from output.h.  If SHF_ALLOC flag is newly set, mark address
10874         invalid.
10875         * output.h (Output_data::mark_address_invalid): New function.
10876         (class Output_section): Only declare, not define,
10877         update_flags_for_input_section.  Remove set_flags.
10878
10879 2009-06-24  Ian Lance Taylor  <iant@google.com>
10880
10881         * script-sections.cc (Output_section_definition::
10882         set_section_addresses): Rename shadowing local load_address to
10883         laddr.
10884
10885 2009-06-24  Ian Lance Taylor  <iant@google.com>
10886
10887         PR 10244
10888         * reloc.cc (relocate_sections): Skip empty relocation sections.
10889
10890 2009-06-23  Ian Lance Taylor  <iant@google.com>
10891
10892         PR 10156
10893         * layout.cc (Layout::create_note): Use choose_output_section
10894         rather than make_output_section.
10895
10896 2009-06-23  Ian Lance Taylor  <iant@google.com>
10897
10898         PR 10237
10899         * options.cc (General_options::parse_V): Set printed_version_.
10900         (General_options::General_options): Initialize printed_version_.
10901         * options.h (class General_options): Add printed_version_ field.
10902         * gold.cc (queue_initial_tasks): If there are no input files,
10903         don't give a fatal error if we printed the version information.
10904         (queue_middle_tasks): If using -r with a shared object, give a
10905         fatal error rather than an ordinary error.
10906
10907 2009-06-23  Ian Lance Taylor  <iant@google.com>
10908
10909         PR 10219
10910         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
10911         (Layout::make_output_section): Set have_stabstr_section_ if we see
10912         a .stab*str section.
10913         (Layout::finalize): Call link_stabs_sections.
10914         (Layout::link_stabs_sections): New file.
10915         * layout.h (class Layout): Add have_stabstr_section_ field.
10916         Declare link_stabs_sections.
10917
10918 2009-06-23  Doug Kwan  <dougkwan@google.com>
10919
10920         * Makefile.am (libgold_a_LIBADD): New.
10921         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
10922         * Makefile.in: Regenerate.
10923         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
10924         * configure: Regenerate.
10925         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
10926         * fileread.cc: Include sys/state.h
10927         * gold.h: Declare memmem and strndup if found missing.
10928         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
10929
10930 2009-06-23  Ian Lance Taylor  <iant@google.com>
10931
10932         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
10933         * configure: Rebuild.
10934
10935 2009-06-23  Ian Lance Taylor  <iant@google.com>
10936
10937         PR 10147
10938         * object.cc (Object::section_contents): Don't try to get a view if
10939         the section has length zero.
10940         (Object::handle_gnu_warning_section): If the section is empty, use
10941         the name of the section as the warning.
10942
10943 2009-06-23  Ian Lance Taylor  <iant@google.com>
10944
10945         PR 10133
10946         * stringpool.h (class Stringpool_template): Add optimize_ field.
10947         (Stringpool_template::set_optimize): New function.
10948         * stringpool.cc (Stringpool_template::Stringpool_template):
10949         Initialize optimize_ field.
10950         (Stringpool_template::set_string_offsets): Test local optimize
10951         fild rather than parameter.
10952         * layout.cc (Layout::Layout): Call set_optimize on the section
10953         name stringpool.
10954
10955 2009-06-22  Ian Lance Taylor  <iant@google.com>
10956
10957         PR 10030
10958         * yyscript.y: Parse TARGET.
10959         * script.cc (script_set_target): New function.
10960         * script-c.h (script_set_target): Declare.
10961         * options.cc (General_options::string_to_object_format): Rename
10962         from string_to_object_format in anonymous namespace.  Change
10963         callers.
10964         * options.h (class General_options): Declare
10965         string_to_object_format.
10966
10967 2009-06-22  Ian Lance Taylor  <iant@google.com>
10968
10969         * script-sections.cc (Script_sections::create_segments): Don't put
10970         program headers in a PT_LOAD segment if -n or -N.
10971
10972 2009-06-22  Ian Lance Taylor  <iant@google.com>
10973
10974         PR 10141
10975         * options.h (class General_options): Add -z lazy and -z now.  Sort
10976         -z options into alphabetical order.
10977         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
10978
10979 2009-06-21  Ian Lance Taylor  <iant@google.com>
10980
10981         * layout.cc (Layout::make_output_section): Call
10982         Target::new_output_section.
10983         (Layout::attach_allocated_section_to_segment): Put large section
10984         sections in a separate load segment with the large segment flag
10985         set.
10986         (Layout::segment_precedes): Sort large data segments after other
10987         load segments.
10988         (align_file_offset): New static function.
10989         (Layout::set_segment_offsets): Use align_file_offset.
10990         * output.h (class Output_section): Add is_small_section_ and
10991         is_large_section_ fields.
10992         (Output_section::is_small_section): New function.
10993         (Output_section::set_is_small_section):  New function.
10994         (Output_section::is_large_section): New function.
10995         (Output_section::set_is_large_section): New function.
10996         (Output_section::is_large_data_section): New function.
10997         (class Output_segment): Add is_large_data_segment_ field.
10998         (Output_segment::is_large_data_segment): New function.
10999         (Output_segment::set_is_large_data_segment): New function.
11000         * output.cc (Output_section::Output_section): Initialize new
11001         fields.
11002         (Output_segment::Output_segment): Likewise.
11003         (Output_segment::add_output_section): Add assertion that large
11004         data sections always go in large data segments.  Force small data
11005         sections to the end of the list of data sections.  Force small BSS
11006         sections to the start of the list of BSS sections.  For large BSS
11007         sections to the end of the list of BSS sections.
11008         * symtab.h (class Symbol): Declare is_common_shndx.
11009         (Symbol::is_defined): Check Symbol::is_common_shndx.
11010         (Symbol::is_common): Likewise.
11011         (class Symbol_table): Define enum Commons_section_type.  Update
11012         declarations.  Add small_commons_ and large_commons_ fields.
11013         * symtab.cc (Symbol::is_common_shndx): New function.
11014         (Symbol_table::Symbol_table): Initialize new fields.
11015         (Symbol_table::add_from_object): Put small and large common
11016         symbols in the right list.
11017         (Symbol_table::sized_finalized_symbol): Check
11018         Symbol::is_common_shndx.
11019         (Symbol_table::sized_write_globals): Likewise.
11020         * common.cc (Symbol_table::do_allocate_commons): Allocate new
11021         common symbol lists.  Don't call do_allocate_commons_list if the
11022         list is empty.
11023         (Symbol_table::do_allocate_commons_list): Remove is_tls
11024         parameter.  Add comons_section_type parameter.  Change all
11025         callers.  Handle small and large common symbols.
11026         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
11027         Symbol::is_common_shndx.
11028         * resolve.cc (symbol_to_bits): Likewise.
11029         * target.h (Target::small_common_shndx): New function.
11030         (Target::small_common_section_flags): New function.
11031         (Target::large_common_shndx): New function.
11032         (Target::large_common_section_flags): New function.
11033         (Target::new_output_section): New function.
11034         (Target::Target_info): Add small_common_shndx, large_common_shndx,
11035         small_common_section_flags, and large_common_section_flags
11036         fields.
11037         (Target::do_new_output_section): New virtual function.
11038         * arm.cc (Target_arm::arm_info): Initialize new fields.
11039         * i386.cc (Target_i386::i386_info): Likewise.
11040         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
11041         Likewise.
11042         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
11043         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11044         (Target_x86_64::do_new_output_section): New function.
11045         * configure.ac: Define conditional MCMODEL_MEDIUM.
11046         * testsuite/Makefile.am (check_PROGRAMS): Add large.
11047         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
11048         (large_LDFLAGS): Define.
11049         * testsuite/large.c: New file.
11050         * testsuite/testfile.cc (Target_test::test_target_info):
11051         Initialize new fields.
11052         * configure, testsuite/Makefile.in: Rebuild.
11053
11054 2009-06-05  Doug Kwan  <dougkwan@google.com>
11055
11056         * Makefile.am (CCFILES): Add target.cc.
11057         * Makefile.in: Regenerate.
11058         * i386.cc (class Target_i386): Define new virtual method to
11059         override do_is_local_label_name in parent.
11060         * object.cc (Sized_relobj::do_count_local_symbols): Discard
11061         local symbols if --discard-locals or -X is given.
11062         * options.h (class General_options): Declare new options
11063         '--discard-locals' and '-X' for discarding locals.
11064         * target.h (class Target): Define new methods is_local_label_name.
11065         Declare new virtual method do_is_local_label_name.
11066         * target.cc: New file.
11067         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
11068         (check_SCRIPTS): Add discard_locals_test.sh.
11069         (check_DATA): Add discard_local_tests.syms.
11070         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
11071         (discard_local_tests.syms, discard_locals_test.o): New make rules.
11072         * testsuite/Makefile.in: Regenerate.
11073         * testsuite/discard_locals_test.c: New file.
11074         * testsuite/discard_locals_test.sh: Same.
11075
11076 2009-06-05  Doug Kwan  <dougkwan@google.com>
11077
11078         * object.cc (Sized_relobj::Sized_relobj): Initialize
11079         discarded_eh_frame_shndx_ to -1U.
11080         (Sized_relobj::do_layout): Record index of a discard .eh_frame
11081         section.
11082         (Sized_relobj::do_count_local_symbols): Skip local symbols in
11083         a discarded .eh_frame section.
11084         (Sized_relobj::do_finalize_local_symbols): Ditto.
11085         * object.h (class Sized_relobj): Declare new member
11086         discarded_eh_frame_shndx_.
11087         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
11088         (local_labels_test.o, local_labels_test): New rules.
11089         * testsuite/Makefile.in: Regenerate.
11090
11091 2009-06-04  Doug Kwan  <dougkwan@google.com>
11092
11093         * layout.cc (Layout::section_name_mapping): Add mapping for
11094         special ARM sections.
11095
11096 2009-06-03  Doug Kwan  <dougkwan@google.com>
11097
11098         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
11099         (utils::has_overflow): Same.
11100
11101 2009-06-03  Ian Lance Taylor  <iant@google.com>
11102
11103         * layout.cc (Layout::section_name_mapping): New array, replacing
11104         Layout::linkonce_mapping.
11105         (Layout::section_name_mapping_count): New variable, replacing
11106         Layout::linkonce_mapping_count.
11107         (Layout::linkonce_output_name): Remove.
11108         (Layout::output_section_name): Rewrite.
11109         * layout.h (class Layout): Rename Linkonce_mapping to
11110         Section_name_mapping, linkonce_mapping to section_name_mapping,
11111         linkonce_mapping_count to section_name_mapping_count.  Don't
11112         declare linkonce_output_name.
11113
11114 2009-06-03  Doug Kwan  <dougkwan@google.com>
11115
11116         * gold/arm.cc (namespace utils): New.
11117         (Target_arm::reloc_is_non_pic): Define new method.
11118         (class Arm_relocate_functions): New.
11119         (Target_arm::Relocate::relocate): Handle relocation types used by
11120         Android.
11121
11122 2009-06-03  Ian Lance Taylor  <iant@google.com>
11123
11124         * arm.cc (Target_arm::scan::global): Use || instead of |.
11125
11126 2009-06-02  Doug Kwan  <dougkwan@google.com>
11127
11128         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
11129         issued_non_pic_error_.
11130         (class Target_arm::Scan): Declare new method check_non_pic.
11131         Define new method symbol_needs_plt_entry.
11132         Declare new data member issued_non_pic_error_.
11133         (class Target_arm::Relocate): Declare new method
11134         should_apply_static_reloc.
11135         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
11136         (Target_arm::Scan::check_non_pic): Define new method.
11137         (Target_arm::Scan::local): Handle a small subset of reloc types used
11138         by Android.
11139         (Target_arm::Scan::local): Same.
11140         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
11141
11142 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
11143
11144         * incremental.cc (Incremental_inputs::report_command_line): Filter
11145         out --incremental-* options.
11146
11147 2009-05-29  Doug Kwan  <dougkwan@google.com>
11148
11149         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
11150         template class.
11151         (class Target_arm): Update comment.
11152         (Target_arm::Target_arm): Initialize new data members GOT_,
11153         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
11154         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
11155         and Target_arm::rel_dyn_section.
11156         Declare new_enum Target_arm::Got_type.
11157         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
11158         and DYNBSS_.
11159         Update commments for member do_dynsym_value.
11160         (Target_arm::got_size, Target_arm::plt_section,
11161         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
11162         new methods inside class defintion.
11163         (Target_arm::got_section): Define new method.
11164         (Target_arm::rel_dyn_section): Same.
11165         (Output_data_plt_arm): New template class.
11166         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
11167         (Output_data_plt_arm:do_adjust_output_section): Define new method.
11168         (Output_data_plt_arm::add_entry): Same.
11169         (Output_data_plt_arm::first_plt_entry): Define new
11170         static data member for PLT instruction template.
11171         (Output_data_plt_arm::plt_entry): Same.
11172         (Output_data_plt_arm::do_write): Define new method.
11173         (Target_arm::make_plt_entry): Same.
11174         (Target_arm::do_finalize_sections): Same.
11175         (Target_arm::do_dynsym_value): Same.
11176
11177 2009-05-28  Doug Kwan  <dougkwan@google.com>
11178
11179         * Makefile.am (TARGETSOURCES): Add arm.cc.
11180         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
11181         * Makefile.in: Regenerate.
11182         * arm.cc: New file.
11183         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
11184
11185 2009-05-26  Doug Kwan  <dougkwan@google.com>
11186
11187         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
11188         (General_options::check_excluded_libs): Strip off directories in
11189         archive name before matching like GNU ld does.
11190         * testsuite/Makefile.am (MOSTLYCLEANFILES,
11191         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
11192         (exclude_libs_test_LDFLAGS): Add linker option
11193         -Wl,--exclude-libs,libexclude_libs_test_3
11194         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
11195         an explicit archive without using -l.
11196         (alt/libexclude_libs_test_3.a): New make rule.
11197         * testsuite/Makefile.in: Regenerate.
11198         * testsuite/exclude_libs_test.c : Declare lib3_default().
11199         (main): Call it.
11200         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
11201         * exclude_libs_test_3.c: New file.
11202
11203 2009-05-26  Nick Clifton  <nickc@redhat.com>
11204
11205         * po/id.po: New Indonesian translation.
11206         * po/gold.pot: Updated template file.
11207
11208 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
11209
11210         * testsuite/Makefile.am: Add -ffunction-sections to compile
11211         gc_comdat_test files.  Add -Wl,--gc-sections to build
11212         gc_comdat_test.
11213         * testsuite/Makefile.in: Regenerate.
11214         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
11215
11216 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
11217
11218         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
11219         kept comdat section was garbage collected.
11220         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
11221         * testsuite/Makefile.in: Regenerate.
11222         * testsuite/gc_comdat_test.sh: New file.
11223         * testsuite/gc_comdat_test_1.cc: New file.
11224         * testsuite/gc_comdat_test_2.cc: New file.
11225
11226 2009-05-19  Doug Kwan  <dougkwan@google.com>
11227
11228         * archive.cc (Archive::Archive): Move constructor from archive.h
11229         to here.  Initialize no_export_.
11230         (Archive::get_elf_object_for_member): Set no_export flag of object.
11231         * archive.h (Archive::Archive): Move constructor body to
11232         archive.cc.
11233         (Archive::no_export): New method.
11234         (Archive::no_export_): New field.
11235         * object.h (Object::Object): Initialize no_export_ to false.
11236         (Object::no_export, Object::set_no_export): New methods.
11237         (Object::no_export_): New field.
11238         * options.cc (General_options::parse_exclude_libs): New method.
11239         (General_options::check_excluded_libs) Same.
11240         * options.h (exclude_libs): New option.
11241         (General_options::check_excluded_libs): New method declaration.
11242         (General_options::excluded_libs_): New field.
11243         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
11244         default or protected visibility if an object has no-export flag set.
11245         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
11246         (check_SCRIPTS): Add exclude_libs_test.sh.
11247         (check_DATA): Add exclude_libs_test.syms.
11248         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
11249         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
11250         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
11251         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
11252         (exclude_libs_test.syms, libexclude_libs_test_1.a,
11253         libexclude_libs_test_2.a): New rules.
11254         * testsuite/Makefile.in: Regenerate.
11255         * testsuite/exclude_libs_test.c: New file.
11256         * testsuite/exclude_libs_test.sh: Ditto.
11257         * testsuite/exclude_libs_test_1.c: Ditto.
11258         * testsuite/exclude_libs_test_2.c: Ditto.
11259
11260 2009-05-15  Ian Lance Taylor  <iant@google.com>
11261
11262         * configure.ac: Check for declarations for cases where libiberty.h
11263         checks HAVE_DECL_xxx.
11264         * configure, config.in: Rebuild.
11265
11266 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
11267
11268         * gold.h (Incremental_argument_list): Remove (invalid) forward
11269         declaration.
11270         * incremental.cc (Incremental_inputs::report_achive): New method.
11271         (Incremental_inputs::report_object): New method.
11272         (Incremental_inputs::report_script): New method.
11273         (Incremental_inputs::finalize_inputs): New method.
11274         (Incremental_inputs::finalize): Call finalize_inputs().
11275         (Incremental_inputs::sized_create_incremental_inputs_section_data):
11276         Create inputs entries.
11277         * incremental.h (Incremental_input_type): New enum.
11278         (Incremental_inputs::Incremental_input): Initialize new fields.
11279         (Incremental_inputs::report_inputs): New method.
11280         (Incremental_inputs::report_achive): New method.
11281         (Incremental_inputs::report_object): New method.
11282         (Incremental_inputs::report_script): New method.
11283         (Incremental_inputs::finalize_inputs): New method.
11284         (Incremental_inputs::Input_info): New struct.
11285         (Incremental_inputs::Input_info_map): New typedef.
11286         (Incremental_inputs::lock_): New field.
11287         (Incremental_inputs::Inputs_): New field.
11288         (Incremental_inputs::Inputs_map): New field.
11289         * main.cc (main): Call Incremental_input::report_inputs.
11290         * options.h (Input_argument_list): Typedef moved from
11291         Input_arguments.
11292         (Input_file_group::Files): Remove, use ::Input_argument_list.
11293         (Input_file_group::Input_argument_list): Remove, use
11294         ::Input_argument_list.
11295         * plugin.cc (Plugin_manager::add_input_file): Add error in
11296         incremental build.
11297         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
11298         functions.
11299         * script.cc (read_input_script): Call
11300         Incremental_input::report_script.
11301         * script.h (Script_info): New class.
11302
11303 2009-04-27  Ian Lance Taylor  <iant@google.com>
11304
11305         * x86_64.cc (do_adjust_output_section): Set entsize to
11306         plt_entry_size.
11307
11308 2009-04-23  Elliott Hughes  <enh@google.com>
11309
11310         * output.cc (Output_file::close): After short writes, continue
11311         writing from the correct offset in the buffer being written.
11312
11313 2009-04-23  Chris Demetriou  <cgd@google.com>
11314
11315         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
11316         * configure: Regenerate.
11317         * config.in: Regenerate.
11318         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
11319         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
11320
11321 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
11322
11323         * incremental.cc (Incremental_inputs_header_data): Renamed from
11324         Incremental_input_header_data.
11325         (Incremental_inputs_header_data::data_size): New field.
11326         (Incremental_inputs_header_data::put_input_file_count): Renamed
11327         from input_file_count.
11328         (Incremental_inputs_header_data::put_command_line_offset): Renamed
11329         from command_line_offset.
11330         (Incremental_inputs_header_data::put_reserved): Renamed from
11331         put_reserved.
11332         (Incremental_inputs_entry_data): Renamed from
11333         Incremental_input_entry_data.
11334         (Incremental_inputs_entry_data::data_size): New field.
11335         (Incremental_inputs::report_command_line): New method.
11336         (Incremental_inputs::finalize): New method.
11337         (Incremental_inputs::create_incremental_inputs_data): New method.
11338         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
11339         * incremental.h: New file.
11340         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
11341         (Layout::finalize): Create incremental inputs section in
11342         incremental builds.
11343         (Layout::create_incremental_info_sections): New method.
11344         * layout.h (Layout::incremental_inputs): New method.
11345         (Layout::create_incremental_info_sections): New method.
11346         (Layout::incremental_inputs_): New field.
11347         * main.cc (main): Notify Incremental_input of the command line.
11348
11349 2009-04-01  Ian Lance Taylor  <iant@google.com>
11350             Mikolaj Zalewski  <mikolajz@google.com>
11351
11352         * gold.h (reserve_unordered_map): Define, three versions, one for
11353         each version of Unordered_map.
11354         * layout.cc (Layout::Layout): Remove options parameter.  Add
11355         number_of_input_files parameter.  Don't initialize options_.
11356         Initialize number_of_input_files_ and resized_signatures_.  Move
11357         sections_are_attached_.
11358         (Layout::layout_group): Reserve space for group_signatures_.
11359         (Layout::find_or_add_kept_section): Change name parameter to be a
11360         reference.  Resize signatures_ map when it gets large enough.
11361         (Layout::layout_eh_frame): Use parameters->options() instead of
11362         this->options_.
11363         (Layout::make_output_section): Likewise.
11364         (Layout::attach_allocated_section_to_segment): Likewise.
11365         (Layout::finalize, Layout::create_executable_stack): Likewise.
11366         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
11367         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
11368         * layout.h (class Layout): Update declarations.  Remove options_
11369         field.  Add number_of_input_files_ and resized_signatures_
11370         fields.  Move sections_are_attached_ field.
11371         * main.cc (main): Pass number of input files to Layout
11372         constructor.  Don't pass options.
11373
11374 2009-03-30  Ian Lance Taylor  <iant@google.com>
11375
11376         * ffsll.c (ffsll): Correct implementation.
11377
11378 2009-03-27  Ian Lance Taylor  <iant@google.com>
11379
11380         * ffsll.c: New file.
11381         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
11382         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
11383         * ftruncate.c (ftruncate): Declare before definition.
11384         * mremap.c (mremap): Likewise.
11385         * pread.c (pread): Likewise.
11386         * configure, Makefile.in, config.in: Rebuild.
11387
11388         * mremap.c: New file.
11389         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
11390         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
11391         (mremap): Declare if HAVE_MREMAP is not defined.
11392         * configure, Makefile.in, config.in: Rebuild.
11393
11394 2009-03-27  Cary Coutant  <ccoutant@google.com>
11395
11396         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
11397         position independent.
11398         * sparc.cc (Target_sparc::check_non_pic): Likewise.
11399         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
11400
11401 2009-03-24  Cary Coutant  <ccoutant@google.com>
11402
11403         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
11404         an executable.
11405         (needs_dynamic_reloc): Likewise.
11406
11407 2009-03-24  Ian Lance Taylor  <iant@google.com>
11408
11409         * yyscript.y (file_cmd): Recognize EXTERN.
11410         (extern_name_list, extern_name_list_body): New nonterminals.
11411         * script.cc (script_add_extern): Define.
11412         * script-c.h (script_add_extern): Declare.
11413
11414 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
11415
11416         * object.cc (is_elf_object): Define.
11417         * object.h (is_elf_object): Declare.
11418         * archive.cc (Archive::get_elf_object_for_member): Call
11419         is_elf_object.
11420         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
11421
11422 2009-03-24  Elliott Hughes  <enh@google.com>
11423
11424         * output.cc (Output_file::map_anonymous): Define.
11425         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
11426         try an anonymous one.  Report the size if the mmap fails.
11427         * output.h (class Output_file): Declare map_anonymous.
11428
11429 2009-03-24  Ian Lance Taylor  <iant@google.com>
11430
11431         * target-select.cc (instantiate_target): Don't acquire the lock if
11432         the instantiated_target_ field has already been set.
11433
11434 2009-03-23  Ian Lance Taylor  <iant@google.com>
11435
11436         * gold-threads.h (class Initialize_lock): Define.
11437         * gold-threads.cc (class Initialize_lock_once): Define.
11438         (initialize_lock_control): New static variable.
11439         (initialize_lock_pointer): New static variable.
11440         (initialize_lock_once): New static function.
11441         (Initialize_lock::Initialize_lock): Define.
11442         (Initialize_lock::initialize): Define.
11443         * target-select.h: Include "gold-threads.h".
11444         (class Target_selector): Add lock_ and initialize_lock_ fields.
11445         Don't define instantiate_target, just declare it.
11446         * target-select.cc (Target_selector::Target_selector): Initialize
11447         new fields.
11448         (Target_selector::instantiate_target): Define.
11449         * descriptors.h: Include "gold-threads.h".
11450         (class Descriptors): Add initialize_lock_ field.
11451         * descriptors.cc (Descriptors::Descriptors): Initialize new
11452         field.
11453         (Descriptors::open): Use initialize_lock_ field
11454         * errors.h (class Errors): Add initialize_lock_ field.
11455         * errors.cc (Errors::Errors): Initialize new field.
11456         (Errors::initialize_lock): Use initialize_lock_ field.
11457         * powerpc.cc (class Target_selector_powerpc): Remove
11458         instantiated_target_ field.  In do_recognize call
11459         instantiate_target rather than do_instantiate_target.  In
11460         do_instantiate_target just allocate a new target.
11461         * sparc.cc (class Target_selector_sparc): Likewise.
11462
11463         * freebsd.h: New file.
11464         * i386.cc: Include "freebsd.h".
11465         (Target_i386): Derive from Target_freebsd rather than
11466         Sized_target.
11467         (Target_selector_i386): Derive from Target_selector_freebsd rather
11468         than Target_selector.
11469         * x86_64.cc: Include "freebsd.h".
11470         (Target_x86_64): Derive from Target_freebsd rather than
11471         Sized_target.
11472         (Target_selector_x86_64): Derive from Target_selector_freebsd
11473         rather than Target_selector.
11474         * target.h (class Target): Add adjust_elf_header and
11475         do_adjust_elf_header.
11476         * output.cc (Output_file_header:: do_sized_write): Call target
11477         adjust_elf_header routine.
11478         * configure.tgt: Set targ_osabi.
11479         * configure.ac: Define GOLD_DEFAULT_OSABI.
11480         * parameters.cc (Parameters::default_target): Pass
11481         GOLD_DEFAULT_OSABI to select_target.
11482         * target-select.h (class Target_selector): Make instantiate_target
11483         protected rather than private.
11484         * Makefile.am (HFILES): Add freebsd.h.
11485         * configure, Makefile.in, config.in: Rebuild.
11486
11487         * merge.cc (do_add_input_section): Correct pend value.  Change
11488         message about last entry not being null terminated from error to
11489         warning.
11490
11491 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
11492
11493         * incremental.cc: New file.
11494         * Makefile.am (CCFILES): Add incremental.cc.
11495         * Makefile.in: Rebuild.
11496
11497 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
11498
11499         * layout.cc (Layout::output_section_name): Preserve names
11500         of '.note.' sections.
11501
11502 2009-03-19  Ian Lance Taylor  <iant@google.com>
11503
11504         * descriptors.cc (Descriptors::open): Check that the options are
11505         valid before using them.
11506
11507 2009-03-18  Ian Lance Taylor  <iant@google.com>
11508
11509         * script-sections.h: Include <list>.
11510         (class Script_sections): Change Sections_elements from std::vector
11511         to std::list.  Typedef public Elements_iterator.  Add
11512         orphan_section_placement_, data_segment_align_start_, and
11513         saw_data_segment_align_ fields.  Remove data_segment_align_index_
11514         field.
11515         * script-sections.cc (class Orphan_section_placement): New class.
11516         (class Sections_element): Add virtual functions is_relro and
11517         orphan_section_init.  Remove virtual function place_orphan_here.
11518         (class Output_section_definition): Add is_relro and
11519         orphan_section_init.  Remove place_orphan_here.
11520         (class Orphan_output_section): Likewise.
11521         (Script_sections::Script_sections): Update for field changes.
11522         (Script_sections::data_segment_align): Set saw_data_segment_align_
11523         and data_segment_align_start_, not data_segment_align_index.
11524         (Script_sections::data_segment_relro_end): Check
11525         saw_data_segment_align_.  Use data_segment_align_start_ rather
11526         than data_segment_align_index_.
11527         (Script_sections::place_orphan): Rewrite to use
11528         Orphan_section_placement.
11529
11530 2009-03-17  Ian Lance Taylor  <iant@google.com>
11531
11532         * archive.cc (Archive::add_symbols): Check for a version attached
11533         to the symbol name in the archive map.
11534         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
11535         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
11536         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
11537         (ver_test_11.a): New target.
11538         * testsuite/Makefile.in: Rebuild.
11539
11540         * configure.ac: Check for chsize and posix_fallocate.  Replace
11541         ftruncate.
11542         * ftruncate.c: New file, from gnulib.
11543         * output.cc (posix_fallocate): Define dummy version if not
11544         HAVE_POSIX_FALLOCATE.
11545         (Output_file::map): Call posix_fallocate rather than lseek and
11546         write.
11547         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
11548         * configure, Makefile.in, config.in: Rebuild.
11549
11550 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
11551
11552         * layout.h (Layout::create_note): Add section_name parameter.
11553         * layout.cc (Layout::create_note): Likewise.
11554         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
11555
11556 2009-03-17  Ian Lance Taylor  <iant@google.com>
11557
11558         * descriptors.cc: Include "options.h".
11559         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
11560         (Descriptors::open): Always use O_CLOEXEC when opening a new
11561         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
11562         then set FD_CLOEXEC.
11563
11564         * sparc.cc (class Target_sparc): Add has_got_section.
11565         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
11566         make sure we have a GOT section.
11567
11568         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
11569         (Target_sparc::Scan::local): Likewise.
11570         (Target_sparc::Scan::global): Likewise.
11571         (Target_sparc::Relocate::relocate): Likewise.
11572         (Target_sparc::Relocate::relocate_tls): Likewise.
11573
11574         * symtab.cc (Symbol_table::define_default_version): New function,
11575         broken out of add_from_object.
11576         (Symbol_table::add_from_object): Call define_default_version.
11577         (Symbol_table::define_special_symbol): Add resolve_oldsym
11578         parameter.  Change all callers.  If the version for a symbol comes
11579         from a version script, resolve it with the symbol with the same
11580         name with no version.  Also add the symbol without a version if
11581         appropriate.
11582         (do_define_in_output_data): If resolving with oldsym, don't delete
11583         sym.
11584         (do_define_in_output_segment): Likewise.
11585         (do_define_as_constant): Likewise.
11586         * symtab.h (class Symbol_table): Update declarations.
11587
11588 2009-03-13  Ian Lance Taylor  <iant@google.com>
11589
11590         * readsyms.cc (Read_symbols::incompatible_warning): New function.
11591         (Read_symbols::requeue): New function.
11592         (Read_symbols::do_read_symbols): If make_elf_object fails because
11593         the target type is not configured, and the file was searched for,
11594         issue a warning and retry with the next directory.
11595         (Add_symbols::run): If the file has an incompatible format, and
11596         it was searched for, requeue the Read_symbols task.  On error,
11597         release the object.
11598         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
11599         dirindex parameter to constructor.  Change all callers.  Declare
11600         incompatible_warning and requeue.
11601         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
11602         input_argument_ and input_group_ fields.  Add them to
11603         constructor.  Change all callers.
11604         (class Read_script): Add dirindex_ field.  Add it to constructor.
11605         Change all callers.
11606         * archive.cc (Archive::setup): Remove input_objects parameter.
11607         Change all callers.
11608         (Archive::get_file_and_offset): Likewise.
11609         (Archive::read_all_symbols): Likewise.
11610         (Archive::read_symbols): Likewise.
11611         (Archive::get_elf_object_for_member): Remove input_objects
11612         parameter.  Add punconfigured parameter.  Change all callers.
11613         (Archive::add_symbols): Change return type to bool.  Check return
11614         value of include_member.
11615         (Archive::include_all_members): Likewise.
11616         (Archive::include_member): Change return type to bool.  Return
11617         false if first included object has incompatible target.  Set
11618         included_member_ field.
11619         (Add_archive_symbols::run): If add_symbols returns false, requeue
11620         Read_symbols task.
11621         * archive.h (class Archive): Add included_member_ field.
11622         Initialize it in constructor.  Add input_file and searched_for
11623         methods.  Update declarations.
11624         (class Add_archive_symbols): Add dirpath_, dirindex_, and
11625         input_argument_ fields.  Add them to constructor.  Change all
11626         callers.
11627         * script.cc: Include "target-select.h".
11628         (class Parser_closure): Add skip_on_incompatible_target_ and
11629         found_incompatible_target_ fields.  Add
11630         skip_on_incompatible_target parameter to constructor.  Change all
11631         callers.  Add methods skip_on_incompatible_target,
11632         clear_skip_on_incompatible_target, found_incompatible_target, and
11633         set_found_incompatible_target.
11634         (read_input_script): Add dirindex parameter.  Change all callers.
11635         If parser finds an incompatible target, requeue Read_symbols
11636         task.
11637         (script_set_symbol): Clear skip_on_incompatible_target in
11638         closure.
11639         (script_add_assertion, script_parse_option): Likewise.
11640         (script_start_sections, script_add_phdr): Likewise.
11641         (script_check_output_format): New function.
11642         * script.h (read_input_script): Update declaration.
11643         * script-c.h (script_check_output_format): Declare.
11644         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
11645         (ignore_cmd): Remove OUTPUT_FORMAT.
11646         * fileread.cc (Input_file::Input_file): Add explicit this.
11647         (Input_file::will_search_for): New function.
11648         (Input_file::open): Add pindex parameter.  Change all callers.
11649         * fileread.h (class Input_file): Add input_file_argument method.
11650         Declare will_search_for.  Update declarations.
11651         * object.cc (make_elf_object): Add punconfigured parameter.
11652         Change all callers.
11653         * object.h (class Object): Make input_file public.  Add
11654         searched_for method.
11655         (make_elf_object): Update declaration.
11656         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
11657         restart search.
11658         * dirsearch.h (class Dirsearch): Update declaration.
11659         * options.h (class General_options): Add --warn-search-mismatch.
11660         * parameters.cc (Parameters::is_compatible_target): New function.
11661         * parameters.h (class Parameters): Declare is_compatible_target.
11662         * workqueue.cc (Workqueue::add_blocker): New function.
11663         * workqueue.h (class Workqueue): Declare add_blocker.
11664
11665         * fileread.cc (Input_file::open): Remove options parameter.
11666         Change all callers.
11667         (Input_file::open_binary): Likewise.
11668         * script.cc (read_input_script): Likewise.
11669         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
11670         options parameter from constructor.  Change all callers.
11671         (class Read_script): Likewise.
11672         * fileread.h (class Input_file): Update declarations.
11673         * script.h (read_input_script): Update declaration.
11674
11675 2009-03-10  Nick Clifton  <nickc@redhat.com>
11676
11677         * po/es.po: New Spanish translation.
11678
11679 2009-03-06  Cary Coutant  <ccoutant@google.com>
11680
11681         * options.cc (parse_short_option): Keep dash_z from registering itself.
11682
11683 2009-03-03  Ian Lance Taylor  <iant@google.com>
11684
11685         PR 9918
11686         * target-reloc.h (relocate_section): Pass output_section to
11687         relocate.
11688         * i386.cc (Target_i386::should_apply_static_reloc): Add
11689         output_section parameter.  Change all callers.
11690         (Target_i386::Relocate::relocate): Add output_section parameter.
11691         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11692         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
11693         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
11694         * testsuite/two_file_shared.sh: New script.
11695         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
11696         (check_DATA): Add two_file_shared.dbg.
11697         (two_file_shared.dbg): New target.
11698         * testsuite/Makefile.in: Rebuild.
11699
11700 2009-03-01  Ian Lance Taylor  <iant@google.com>
11701
11702         * configure.ac: Check for byteswap.h.
11703         * configure: Rebuild.
11704         * config.in: Rebuild.
11705
11706 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
11707
11708         * layout.cc (Layout::find_or_add_kept_section): New function.
11709         (Layout::add_comdat): Removed.
11710         * layout.h (struct Kept_section): Move out of class Layout.
11711         Remove trailing underscores from field names.  Add group_sections
11712         field.  Rename group_ field to is_group.  Change all uses.
11713         (class Layout): Declare find_or_add_kept_section, not add_comdat.
11714         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
11715         comdat_groups_ field.
11716         (Sized_relobj::include_section_group): Use
11717         find_or_add_kept_section and Kept_section::group_sections.
11718         (Sized_relobj::include_linkonce_section): Likewise.
11719         * object.cc (class Sized_relobj): Don't define Comdat_group or
11720         Comdat_group_table.  Remove find_comdat_group and
11721         add_comdat_group.  Remove comdat_groups_ field.
11722         * plugin.cc (include_comdat_group): Use
11723         Layout::find_or_add_kept_section.
11724
11725 2009-02-28  Ian Lance Taylor  <iant@google.com>
11726
11727         * README: --gc-sections and map files are now supported.  Document
11728         some build requirements.
11729
11730         PR 6992
11731         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
11732         relocatable link set the value of the section symbol to zero.
11733         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
11734         relocatable link don't include the section address in the local
11735         symbol value.
11736
11737 2009-02-27  Ian Lance Taylor  <iant@google.com>
11738
11739         PR 6811
11740         * options.h (class Search_directory): Add is_system_directory.
11741         (class General_options): Declare is_in_system_directory.
11742         * options.cc (get_relative_sysroot): Make static.
11743         (get_default_sysroot): Make static.
11744         (General_optoins::is_in_system_directory): New function.
11745         * fileread.cc (Input_file::is_in_system_directory): New function.
11746         * fileread.h (class Input_file): Declare is_in_system_directory.
11747         * object.h (class Object): Add is_in_system_directory.
11748         (class Input_objects): Remove system_library_directory_ field.
11749         * object.cc (Input_objects::add_object): Don't set
11750         system_library_directory_.
11751         (input_objects::found_in_system_library_directory): Remove.
11752         * symtab.cc (Symbol_table::write_globals): Remove input_objects
11753         parameter.  Change all callers.
11754         (Symbol_table::sized_write_globals): Likewise.
11755         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
11756         Call Object::is_in_system_directory.
11757         * symtab.h (class Symbol_table): Update declarations.
11758
11759         PR 5990
11760         * descriptors.h (Open_descriptor): Add is_on_stack field.
11761         * descriptors.cc (Descriptors::open): If the descriptor is on the
11762         top of the stack, remove it.  Initialize is_on_stack field.
11763         (Descriptors::release): Only add pod to stack if it is not on the
11764         stack already.
11765         (Descriptors::close_some_descriptor): Clear stack_next and
11766         is_on_stack fields.
11767
11768         PR 7091
11769         * output.cc (Output_section::find_starting_output_address): Rename
11770         from starting_output_address; add PADDR parameter; change return
11771         type.
11772         * output.h (class Output_section): Declare
11773         find_starting_output_address instead of starting_output_address.
11774         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
11775         section symbol for which we can't find a merge section.
11776
11777         PR 9836
11778         * symtab.cc (Symbol_table::add_from_object): If the visibility is
11779         hidden or internal, force the symbol to be local.
11780         * resolve.cc (Symbol::override_visibility): Define.
11781         (Symbol::override_base): Use override_visibility.
11782         (Symbol_table::resolve): Likewise.
11783         (Symbol::override_base_with_special): Likewise.
11784         (Symbol_table::override_with_special): If the visibility is hidden
11785         or internal, force the symbol to be local.
11786         * symtab.h (class Symbol): Add set_visibility and
11787         override_visibility.
11788         * testsuite/ver_test_1.sh: New file.
11789         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
11790         (check_DATA): Add ver_test_1.syms.
11791         (ver_test_1.syms): New target.
11792         * testsuite/Makefile.in: Rebuild.
11793
11794 2009-02-25  Cary Coutant  <ccoutant@google.com>
11795
11796         * layout.cc (Layout::choose_output_section): Don't rename sections
11797         when using a linker script that has a SECTIONS clause.
11798         * Makefile.in: Regenerate.
11799
11800         * testsuite/Makefile.am (script_test_5.sh): New test case.
11801         * testsuite/Makefile.in: Regenerate.
11802         * testsuite/script_test_5.cc: New file.
11803         * testsuite/script_test_5.sh: New file.
11804         * testsuite/script_test_5.t: New file.
11805
11806 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
11807
11808         * archive.cc (Archive::include_member): Update calls to add_symbols.
11809         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
11810         the Layout argument.
11811         * dynobj.h (do_add_symbols): Add the Layout argument.
11812         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
11813         Layout argument.
11814         * object.h (Object::add_symbols): Add the Layout argument.
11815         (Object::do_add_symbols): Add the Layout argument.
11816         (Sized_relobj::do_add_symbols): Add the Layout argument.
11817         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
11818         Unify the two versions.
11819         (Add_plugin_symbols): Remove.
11820         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
11821         (Sized_pluginobj::do_add_symbols): Unify the two versions.
11822         (Add_plugin_symbols): Remove.
11823         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
11824         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
11825         (Add_symbols::run): Make it work with Pulginobj.
11826
11827 2009-02-06  Ian Lance Taylor  <iant@google.com>
11828
11829         * object.cc (Sized_relobj::do_layout): Make info message start
11830         with lower case letter.
11831
11832 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
11833
11834         * binary.cc: Fix file comment.
11835
11836         * options.h (enum Incremental_disposition): Define.
11837         (class General_options): Add new options: --incremental,
11838         --incremental_changed, --incremental_unchanged,
11839         --incremental_unknown.  Add incremental_disposition_ and
11840         implicit_incremental_ fields.
11841         (General_options::incremental_disposition): New function.
11842         (class Position_dependent_options): Add incremental_disposition
11843         option.
11844         (Position_dependent_options::copy_from_options): Set incremental
11845         dispositions.
11846         * options.cc (General_options::parse_incremental_changed): New
11847         function.
11848         (General_options::parse_incremental_unchanged): New function.
11849         (General_options::parse_incremental_unknown): New function.
11850         (General_options::General_options): Initialize new fields
11851         incremental_disposition_ and implicit_incremental_.
11852         (General_options::finalize): Check for uasge of --incremental-*
11853         without --incremental.
11854
11855 2009-02-06  Chris Demetriou  <cgd@google.com>
11856
11857         * gold.h (gold_undefined_symbol): Change to take only a Symbol
11858         pointer and to report location as the file name associated with
11859         the symbol.
11860         (gold_undefined_symbol_at_location): New function to replace the
11861         old gold_undefined_symbol functionality.
11862         * target-reloc.h (relocate_section): Update to use
11863         gold_undefined_symbol_at_location.
11864         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
11865         Call gold_undefined_symbol function rather than gold_error.
11866         * errors.h (Errors::undefined_symbol): Take location as a
11867         string, rather than calculating it from a relocation.
11868         * errors.cc (Errors::fatal): Print "fatal error:" before the
11869         formatted message.
11870         (Errors::error, Errors::error_at_location): Print "error: "
11871         before the formatted message.
11872         (Errors::undefined_symbol): Take location as a string, rather
11873         than calculating it from a relocation.
11874         (gold_undefined_symbol_at_location): New function akin to
11875         old gold_undefined_symbol, calculates location from relocation.
11876         (gold_undefined_symbol): Change to take only a Symbol pointer
11877         and to report location as the file name associated with the symbol.
11878         * testsuite/debug_msg.sh: Update for changed error messages.
11879         * testsuite/undef_symbol.sh: Likewise.
11880
11881 2009-02-04  Duncan Sands  <baldrick@free.fr>
11882
11883         PR 9812
11884         * reduced_debug_output.h
11885         (Output_reduced_debug_abbrev_section::failed): Use format for
11886         gold_warning.
11887         (Output_reduced_debug_info_section::faild): Likewise.
11888
11889 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
11890
11891         * script.cc (Lazy_demangler): New class.
11892         (Version_script_info::get_symbol_version_helper): Demangle a
11893         symbol only once.
11894
11895 2009-01-29  Cary Coutant  <ccoutant@google.com>
11896
11897         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
11898         to __tls_get_addr.
11899         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
11900
11901 2009-01-28  Ian Lance Taylor  <iant@google.com>
11902
11903         * version.cc (version_string): Bump to 1.9.
11904
11905         * gold.h: Include <cstring> and <stdint.h>.
11906         * version.cc: Include <cstdio>.
11907         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
11908         warning.
11909         * reduced_debug_output.cc (insert_into_vector): Rename from
11910         Insert_into_vector; change all callers.  Use Swap_unaligned to
11911         avoid aliasing issue; remove union since it is unnecessary.
11912
11913 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
11914
11915         * Makefile.am (CCFILES): Add gc.cc.
11916         (HFILES): Add gc.h.
11917         * Makefile.in: Regenerate.
11918         * gold.cc (Gc_runner): New class.
11919         (queue_initial_tasks): Call garbage collection related tasks
11920         when corresponding options are invoked.
11921         (queue_middle_gc_tasks): New function.
11922         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
11923         processed early before laying out sections during garbage collection.
11924         * gold.h (queue_middle_gc_tasks): New function.
11925         (is_prefix_of): Move from "layout.cc".
11926         * i386.cc (Target_i386::gc_process_relocs): New function.
11927         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
11928         * main.cc (main): Create object of class "Garbage_collection".
11929         * object.cc (Relobj::copy_symbols_data): New function.
11930         (Relobj::is_section_name_included): New function.
11931         (Sized_relobj::do_layout): Allow this function to be called twice
11932         during garbage collection and defer layout of section during the
11933         first call.
11934         * object.h (Relobj::get_symbols_data): New function.
11935         (Relobj::is_section_name_included): New function.
11936         (Relobj::copy_symbols_data): New function.
11937         (Relobj::set_symbols_data): New function.
11938         (Relobj::get_relocs_data): New function.
11939         (Relobj::set_relocs_data): New function.
11940         (Relobj::is_output_section_offset_invalid): New pure virtual function.
11941         (Relobj::gc_process_relocs): New function.
11942         (Relobj::do_gc_process_relocs): New pure virtual function.
11943         (Relobj::sd_): New data member.
11944         (Sized_relobj::is_output_section_offset_invalid): New function.
11945         (Sized_relobj::do_gc_process_relocs): New function.
11946         * options.h (General_options::gc_sections): Modify to not be a no-op.
11947         (General_options::print_gc_sections): New option.
11948         * plugin.cc (Plugin_finish::run): Remove function call to
11949         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
11950         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
11951         * reloc.cc (Read_relocs::run): Add task to process relocs and
11952         determine unreferenced sections when doing garbage collection.
11953         (Gc_process_relocs): New class.
11954         (Sized_relobj::do_gc_process_relocs): New function.
11955         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
11956         sections that are garbage collected.
11957         * reloc.h (Gc_process_relocs): New class.
11958         * sparc.cc (Target_sparc::gc_process_relocs): New function.
11959         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
11960         symbols whose corresponding sections are garbage collected.
11961         (Symbol_table::Symbol_table): Add new parameter for the garbage
11962         collection object.
11963         (Symbol_table::gc_mark_undef_symbols): New function.
11964         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11965         (Symbol_table::gc_mark_dyn_syms): New function.
11966         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
11967         as garbage.
11968         (Symbol_table::add_from_object): Likewise.
11969         (Symbol_table::add_from_relobj): When building shared objects, do not
11970         treat externally visible symbols as garbage.
11971         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
11972         table information for static and relocatable links.
11973         * symtab.h (Symbol_table::set_gc): New function.
11974         (Symbol_table::gc): New function.
11975         (Symbol_table::gc_mark_undef_symbols): New function.
11976         (Symbol_table::gc_mark_symbol_for_shlib): New function.
11977         (Symbol_table::gc_mark_dyn_syms): New function.
11978         (Symbol_table::gc_): New data member.
11979         * target.h (Sized_target::gc_process_relocs): New pure virtual
11980         function.
11981         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
11982         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
11983
11984 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
11985
11986         * options.h (General_options::gc_sections): Define as a no-op for now.
11987         (General_options::no_keep_memory): Ditto.
11988         (General_options::Bshareable): Define.
11989         * options.cc (General_options::finalize): Honor -Bshareable.
11990
11991 2009-01-20  Andreas Schwab  <schwab@suse.de>
11992
11993         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
11994         read the value in the contents, since we don't use it.  Use the
11995         template endianness when writing.
11996         (Relocate::relocate): Use it for R_PPC_REL16_HA.
11997
11998 2009-01-19  Andreas Schwab  <schwab@suse.de>
11999
12000         * configure.tgt (powerpc64-*): Fix targ_obj.
12001
12002 2009-01-15  Ian Lance Taylor  <iant@google.com>
12003
12004         * object.cc (Sized_relobj::write_local_symbols): Don't write out
12005         local symbols when stripping all symbols.
12006
12007 2009-01-14  Cary Coutant  <ccoutant@google.com>
12008
12009         * output.cc (Output_reloc): Add explicit instantiations.
12010
12011 2009-01-14  Cary Coutant  <ccoutant@google.com>
12012
12013         * archive.cc (Archive::get_elf_object_for_member): Remove call
12014         to File_read::claim_for_plugin.
12015         * descriptors.cc (Descriptors::open): Remove reference to
12016         is_claimed.
12017         (Descriptors::claim_for_plugin): Remove.
12018         * descriptors.h (Descriptors::claim_for_plugin): Remove.
12019         (Descriptors::is_claimed): Remove.
12020         (claim_descriptor_for_plugin): Remove.
12021         * fileread.cc (File_read::claim_for_plugin): Remove.
12022         * fileread.h (File_read::claim_for_plugin): Remove.
12023         (File_read::descriptor): Reopen descriptor if necessary.
12024         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
12025         (Plugin_manager::all_symbols_read): Add task parameter. Change
12026         all callers.
12027         (Plugin_manager::get_input_file): New function.
12028         (Plugin_manager::release_input_file): New function.
12029         (Pluginobj::Pluginobj): Add filesize parameter and initialize
12030         corresponding data member.
12031         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
12032         and pass to base constructor. Change all callers.
12033         (get_input_file, release_input_file): New functions.
12034         (make_sized_plugin_object): Add filesize parameter. Change all callers.
12035         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
12036         (Plugin_manager::all_symbols_read): Add task parameter.
12037         (Plugin_manager::get_input_file): New function.
12038         (Plugin_manager::release_input_file): New function.
12039         (Plugin_manager::task_): New data member.
12040         (Pluginobj::Pluginobj): Add filesize parameter.
12041         (Pluginobj::filename): New function.
12042         (Pluginobj::descriptor): New function.
12043         (Pluginobj::filesize): New function.
12044         (Pluginobj::filesize_): New data member.
12045         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
12046         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
12047         File_read::claim_for_plugin; use Object::unlock to unlock the file.
12048
12049         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
12050         with archive libraries.
12051         * testsuite/Makefile.in: Regenerate.
12052         * testsuite/plugin_test.c (struct sym_info): New type.
12053         (get_input_file, release_input_file): New static variables.
12054         (onload): Capture new transfer vector entries.
12055         (claim_file_hook): Stop reading at end of file according to filesize.
12056         Factor out parsing of readelf output into separate function.
12057         (all_symbols_read_hook): Exercise get_input_file and release_input_file
12058         APIs and get the source file name from the symbol table.  Convert
12059         source file name to corresponding object file name.  Print info
12060         message when adding new input files.
12061         (parse_readelf_line): New function.
12062         * testsuite/plugin_test_1.sh: Add checks for new info messages.
12063         * testsuite/plugin_test_2.sh: Likewise.
12064         * testsuite/plugin_test_3.sh: Likewise.
12065         * testsuite/plugin_test_4.sh: New test case.
12066
12067 2009-01-07  Ian Lance Taylor  <iant@google.com>
12068
12069         * version.cc (version_string): Bump to 1.8.
12070
12071 2008-12-23  Cary Coutant  <ccoutant@google.com>
12072
12073         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
12074         * plugin.cc (Plugin_manager::finish): Rename as
12075         layout_deferred_objects.  Move cleanup to separate function.
12076         (Plugin_manager::cleanup): New function.
12077         (Plugin_finish::run): Call layout_deferred_objects and cleanup
12078         separately.
12079         * plugin.h (Plugin_manager::finish): Rename as
12080         layout_deferred_objects.
12081         (Plugin_manager::cleanup): New function.
12082         (Plugin_manager::cleanup_done): New field.
12083
12084 2008-12-23  Cary Coutant  <ccoutant@google.com>
12085
12086         * plugin.cc (is_visible_from_outside): New function.
12087         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
12088         so we don't return "IR only" status for exported symbols or -r links.
12089
12090         * testsuite/Makefile.am (plugin_test_3): New test case.
12091         * testsuite/Makefile.in: Regenerate.
12092         * testsuite/plugin_test_3.sh: New file.
12093
12094 2008-12-22  Cary Coutant  <ccoutant@google.com>
12095
12096         * object.cc (Sized_relobj::layout_section): New function.
12097         (Sized_relobj::do_layout): Defer layout of input sections until after
12098         plugin has provided replacement files.
12099         (Sized_relobj::do_layout_deferred_sections): New function.
12100         * object.h (Relobj::set_section_offset): Remove virtual keyword.
12101         (Relobj::layout_deferred_sections): New function.
12102         (Relobj::do_layout_deferred_sections): New function.
12103         (Sized_relobj::do_layout_deferred_sections): New function.
12104         (Sized_relobj::layout_section): New function.
12105         (Sized_relobj::Deferred_layout): New structure.
12106         (Sized_relobj::deferred_layout_): New field.
12107         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
12108         Change all callers.  Layout deferred sections.
12109         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
12110         references.
12111         (Plugin_hook::run): Move code from do_plugin_hook inline.
12112         (Plugin_hook::do_plugin_hook): Remove.
12113         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
12114         (Plugin_manager::finish): Renamed, was cleanup.
12115         (Plugin_manager::should_defer_layout): New function.
12116         (Plugin_manager::add_deferred_layout_object): New function.
12117         (Plugin_manager::Deferred_layout_list): New type.
12118         (Plugin_manager::deferred_layout_objects_): New field.
12119         (Plugin_hook::do_plugin_hook): Remove.
12120
12121 2008-12-17  Ian Lance Taylor  <iant@google.com>
12122
12123         * options.h (class General_options): Add --no case for
12124         --export-dynamic.
12125
12126 2008-12-16  Cary Coutant  <ccoutant@google.com>
12127
12128         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
12129         vector.
12130         (Plugin_manager::claim_file): Create plugin object even if
12131         plugin did not call the add_symbols callback.
12132         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
12133         asking for more symbols than were added.
12134         * testsuite/Makefile.am (plugin_test_1): Add test case with
12135         no global symbols.
12136         (empty.syms): New target.
12137         * testsuite/Makefile.in: Regenerate.
12138         * testsuite/plugin_test.c (claim_file_hook): Add new debug
12139         message. Don't call add_symbols if no globals.
12140         (all_symbols_read_hook): Don't provide replacement for empty
12141         claimed file.
12142
12143 2008-12-12  Ian Lance Taylor  <iant@google.com>
12144
12145         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
12146         r_type == 0 for a local symbol with r_sym == 0.
12147         (scan_relocatable_relocs): Pass r_sym to
12148         local_non_section_strategy.
12149         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
12150         r_sym parameter.
12151
12152         * configure.ac: Update test for TLS descriptors: they are
12153         supported as of glibc 2.9.
12154         * configure: Rebuild.
12155
12156 2008-12-11  Ian Lance Taylor  <iant@google.com>
12157
12158         PR 7091
12159         * target-reloc.h (Default_scan_relocatable_relocs): For each
12160         function, map r_type == 0 to RELOC_DISCARD.
12161
12162 2008-12-10  Cary Coutant  <ccoutant@google.com>
12163
12164         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
12165         object to override a kept COMDAT group from a plugin object.
12166
12167 2008-12-09  Ian Lance Taylor  <iant@google.com>
12168
12169         PR 7088
12170         * yyscript.y (file_cmd): Handle INPUT.
12171
12172         * testsuite/initpri1.c: Change all declarations to be full
12173         prototypes by adding void, to avoid compiler warnings.
12174
12175 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
12176
12177         * options.cc (General_options::parse_plugin_opt): New.
12178         (General_options::add_plugin): The argument now is just the filename.
12179         (General_options::add_plugin_option): New.
12180         * options.h (plugin_opt): New.
12181         (add_plugin): Change argument name.
12182         (add_plugin_option): New.
12183         * plugin.cc (Plugin::load): Don't parse the plugin option.
12184         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
12185         (Plugin::add_option): New.
12186         (Plugin::args_): Change type.
12187         (Plugin::filename_): New.
12188         (Plugin_manager::add_plugin_option): New.
12189         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
12190         * testsuite/Makefile.in: Regenerate.
12191
12192 2008-12-05  Cary Coutant  <ccoutant@google.com>
12193
12194         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
12195         Handle --strip-lto-sections option.
12196         * options.h (strip_lto_sections): New option.
12197
12198 2008-12-01  Cary Coutant  <ccoutant@google.com>
12199
12200         * plugin.cc (ld_plugin_message): Change format parameter to const.
12201         Fix mismatch between new[] and delete.
12202
12203 2008-11-14  Cary Coutant  <ccoutant@google.com>
12204
12205         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
12206         instead of -1U.
12207
12208 2008-11-05  Craig Silverstein  <csilvers@google.com>
12209
12210         * options.cc (General_options::parse_dynamic_list): New function.
12211         * options.h (General_options): New flags dynamic_list,
12212         dynamic_list_data, dynamic_list_cpp_new, and
12213         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
12214         (General_options::in_dynamic_list): New function.
12215         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
12216         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
12217         (Lex::can_continue_name): Likewise.
12218         (yylex): Likewise.
12219         (read_script_file): New parameter script_options.
12220         (read_dynamic_list): New function.
12221         (Script_options::define_dynamic_list): New function.
12222         (dynamic_list_keyword_parsecodes): New variable.
12223         (dynamic_list_keywords): New variable.
12224         * script.h (Script_options::define_dynamic_list): New function
12225         prototype.
12226         (read_dynamic_list): New function prototype.
12227         * symtab.cc (strprefix): New macro.
12228         (Symbol::should_add_dynsym_entry): Support dynamic_list,
12229         dynamic_list_data, dynamic_list_cpp_new, and
12230         dynamic_list_cpp_typeinfo.
12231         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
12232         (dynamic_list_expr): New rule.
12233         (dynamic_list_nodes): Likewise.
12234         (dynamic_list_node): Likewise.
12235         * testsuite/Makefile.am (dynamic_list): New test.
12236         * testsuite/Makefile.in: Regenerated.
12237         * testsuite/dynamic_list.t: New file.
12238         * testsuite/dynamic_list.sh: New file.
12239
12240 2008-11-05  Craig Silverstein  <csilvers@google.com>
12241
12242         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
12243         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
12244         (t11_last): Likewise.
12245         * testsuite/ver_test_6.c (main): Likewise.
12246
12247 2008-10-07  Cary Coutant  <ccoutant@google.com>
12248
12249         * options.c (General_options::finalize): Add check for -static and
12250         -shared.
12251         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
12252         is not empty.
12253
12254 2008-10-02  Cary Coutant  <ccoutant@google.com>
12255
12256         * plugin.cc (make_sized_plugin_object): Fix conditional
12257         compilation to work when not all targets are enabled.
12258
12259 2008-09-29  Cary Coutant  <ccoutant@google.com>
12260
12261         * archive.cc (Archive::get_file_and_offset): Use filename instead
12262         of name to get library path.
12263         (Archive::include_member): Unlock external member of a thin archive.
12264
12265         * testsuite/Makefile.am (TEST_AR): New variable.
12266         (thin_archive_test_1): New test.
12267         (thin_archive_test_2): New test.
12268         * testsuite/Makefile.in: Regenerate.
12269         * testsuite/thin_archive_main.cc: New file.
12270         * testsuite/thin_archive_test_1.cc: New file.
12271         * testsuite/thin_archive_test_2.cc: New file.
12272         * testsuite/thin_archive_test_3.cc: New file.
12273         * testsuite/thin_archive_test_4.cc: New file.
12274
12275 2008-09-29  Cary Coutant  <ccoutant@google.com>
12276
12277         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
12278         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
12279         instead of -1U.
12280         (Sized_relobj::do_finalize_local_symbols): Likewise.
12281         (Sized_relobj::map_to_kept_section): Likewise.
12282         * object.h (Sized_relobj::invalid_address): New constant.
12283         (Sized_relobj::do_output_section_offset): Check for invalid_address
12284         and return -1ULL.
12285         * output.cc (Output_reloc::local_section_offset): Use constant
12286         invalid_address instead of -1U.
12287         (Output_reloc::get_address): Likewise.
12288         (Output_section::output_address): Change -1U to -1ULL.
12289         * output.h (Output_reloc::invalid_address): New constant.
12290         * reloc.cc (Sized_relobj::write_sections): Use constant
12291         invalid_address instead of -1U.
12292         (Sized_relobj::relocate_sections): Likewise.
12293         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
12294         values for merge sections.
12295         * target-reloc.h (relocate_for_relocatable): Use constant
12296         invalid_address instead of -1U.
12297
12298 2008-09-19  Cary Coutant  <ccoutant@google.com>
12299
12300         Add plugin functionality for link-time optimization (LTO).
12301         * configure.ac (plugins): Add --enable-plugins option.
12302         * configure: Regenerate.
12303         * config.in: Regenerate.
12304         * Makefile.am (LIBDL): New variable.
12305         (CCFILES): Add plugin.cc.
12306         (HFILES): Add plugin.h.
12307         (ldadd_var): Add LIBDL.
12308         * Makefile.in: Regenerate.
12309
12310         * archive.cc: Include "plugin.h".
12311         (Archive::setup): Don't preread archive symbols when using a plugin.
12312         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
12313         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
12314         files.
12315         (Archive::include_member): Add symbols from plugin objects.
12316         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
12317         * descriptors.cc (Descriptors::open): Check for file descriptors
12318         abandoned by plugins.
12319         (Descriptors::claim_for_plugin): New function.
12320         * descriptors.h (Descriptors::claim_for_plugin): New function.
12321         (Open_descriptor::is_claimed): New field.
12322         (claim_descriptor_for_plugin): New function.
12323         * fileread.cc (File_read::claim_for_plugin): New function.
12324         * fileread.h (File_read::claim_for_plugin): New function.
12325         (File_read::descriptor): New function.
12326         * gold.cc: Include "plugin.h".
12327         (queue_initial_tasks): Add task to call plugin hooks for generating
12328         new object files.
12329         * main.cc: Include "plugin.h".
12330         (main): Load plugin libraries.
12331         * object.h (Pluginobj): Declare.
12332         (Object::pluginobj): New function.
12333         (Object::do_pluginobj): New function.
12334         (Object::set_target): New function.
12335         * options.cc: Include "plugin.h".
12336         (General_options::parse_plugin): New function.
12337         (General_options::General_options): Initialize plugins_ field.
12338         (General_options::add_plugin): New function.
12339         * options.h (Plugin_manager): Declare.
12340         (General_options): Add --plugin option.
12341         (General_options::has_plugins): New function.
12342         (General_options::plugins): New function.
12343         (General_options::add_plugin): New function.
12344         (General_options::plugins_): New field.
12345         * plugin.cc: New file.
12346         * plugin.h: New file.
12347         * readsyms.cc: Include "plugin.h".
12348         (Read_symbols::do_read_symbols): Check for archive before checking
12349         for ELF file.  Call plugin hooks to claim files.
12350         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
12351         from a real object file; force override when processing replacement
12352         files.
12353         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
12354         (Symbol::init_base_object): Likewise.
12355         (Symbol::init_base_output_data): Likewise.
12356         (Symbol::init_base_output_segment): Likewise.
12357         (Symbol::init_base_constant): Likewise.
12358         (Symbol::init_base_undefined): Likewise.
12359         (Symbol::output_section): Assert that object is not a plugin.
12360         (Symbol_table::add_from_pluginobj): New function.
12361         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
12362         undefined.
12363         (Symbol_table::sized_write_globals): Likewise.
12364         (Symbol_table::add_from_pluginobj): Instantiate template.
12365         * symtab.h (Sized_pluginobj): Declare.
12366         (Symbol::in_real_elf): New function.
12367         (Symbol::set_in_real_elf): New function.
12368         (Symbol::in_real_elf_): New field.
12369         (Symbol_table::add_from_pluginobj): New function.
12370
12371         * testsuite/Makefile.am (AM_CFLAGS): New variable.
12372         (LIBDL): New variable.
12373         (LDADD): Add LIBDL.
12374         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
12375         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
12376         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
12377         (MOSTLYCLEANFILES): Likewise.
12378         * testsuite/Makefile.in: Regenerate.
12379         * testsuite/plugin_test.c: New file.
12380         * testsuite/plugin_test_1.sh: New file.
12381         * testsuite/plugin_test_2.sh: New file.
12382
12383 2008-09-16  Ian Lance Taylor  <iant@google.com>
12384
12385         * target-reloc.h (relocate_section): Check whether a symbol is
12386         defined by the ABI before reporting an undefined symbol error.
12387         * target.h (Target::is_defined_by_abi): Make parameter const.
12388         (Target::do_is_defined_by_abi): Likewise.
12389         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
12390         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
12391         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
12392         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
12393         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
12394         * testsuite/Makefile.in: Rebuild.
12395
12396         * fileread.cc (make_view): Add casts to avoid warning.
12397
12398 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12399
12400         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
12401         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12402
12403 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
12404
12405         * options.h (General_options::output_is_executable): New.
12406         (General_options::output_is_pie): New.
12407         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
12408         for shared libraries.
12409         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
12410
12411 2008-09-11  Chris Demetriou  <cgd@google.com>
12412
12413         * options.h (origin): New -z option.
12414         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
12415         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
12416         in DT_FLAGS_1.
12417
12418 2008-09-05  Cary Coutant  <ccoutant@google.com>
12419
12420         * fileread.cc (File_read::make_view): Add check for attempt to map
12421         beyond end of file.
12422
12423 2008-09-05  Cary Coutant  <ccoutant@google.com>
12424
12425         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
12426         explicit instantiations.
12427
12428 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
12429
12430         PR gold/6858
12431         * options.cc (General_options::finalize): Allow undefined symbols
12432         in shlibs if linking -shared.
12433
12434         PR gold/6859
12435         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
12436         symbols as not needing a dynsym entry.
12437
12438 2008-08-20  Craig Silverstein  <csilvers@google.com>
12439
12440         * fileread.cc (File_read::open): Do not lock the file unless it
12441         was successfully opened.
12442
12443 2008-08-14  Cary Coutant  <ccoutant@google.com>
12444
12445         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
12446         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
12447         * testsuite/tls_test.cc (struct int128): 128-bit struct
12448         for testing TLS relocs with non-zero addend.
12449         (v12): New TLS variable.
12450         (t12): New test.
12451         (t_last): Add check for v12.
12452         * testsuite/tls_test.h (t12): New function.
12453         * testsuite/tls_test_main.cc (thread_routine): Call new test.
12454
12455 2008-08-13  Ian Lance Taylor  <iant@google.com>
12456
12457         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
12458         set tls_segment_ or relro_segment_.
12459         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
12460         when appropriate.
12461         * output.h (Output_section::clear_is_relro): New function.
12462         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
12463         sections specially even when output_data_ is empty.
12464         (Output_segment::maximum_alignment): When first section is relro,
12465         only force alignment for PT_LOAD segments.
12466         * script.cc (script_data_segment_align): New function.
12467         (script_data_segment_relro_end): New function.
12468         * script-c.h (script_data_segment_align): Declare.
12469         (script_data_segment_relro_end): Declare.
12470         * script-sections.h (class Script_sections): Declare
12471         data_segment_align and data_segment_relro_end.  Add fields
12472         segment_align_index_ and saw_relro_end_.
12473         * script-sections.cc (class Sections_element): Add set_is_relro
12474         virtual function.  Add new bool* parameter to place_orphan_here.
12475         Add get_output_section virtual function.
12476         (class Output_section_definition): Add set_is_relro.  Add new
12477         bool* parameter to place_orphan_here.  Add get_output_section.
12478         Add is_relro_ field.
12479         (Output_section_definition::Output_section_definition): Initialize
12480         evaluated_address_, evaluated_load_address, evaluated_addralign_,
12481         and is_relro_ fields.
12482         (Output_section_definition::place_orphan_here): Add is_relro
12483         parameter.
12484         (Output_section_definition::set_section_addresses): Set relro for
12485         output section.
12486         (Output_section_definition::alternate_constraint): Likewise.
12487         (class Orphan_output_section): Add new bool* parameter to
12488         place_orphan_here.  Add get_output_section.
12489         (Orphan_output_section::place_orphan_here): Add is_relro
12490         parameter.
12491         (Script_sections::Script_sections): Initialize
12492         data_segment_align_index_ and saw_relro_end_.
12493         (Script_sections::data_segment_align): New function.
12494         (Script_sections::data_segment_relro_end): New function.
12495         (Script_sections::place_orphan): Set or clear is_relro.
12496         (Script_sections::set_section_addresses): Force alignment of first
12497         TLS section.
12498         * yyscript.y (exp): Call script_data_segment_align and
12499         script_data_segment_relro_end.
12500         * testsuite/relro_script_test.t: New file.
12501         * testsuite/relro_test.cc (using_script): Declare.
12502         (t1, t2): Test using_script.
12503         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
12504         (relro_script_test_SOURCES): Define.
12505         (relro_script_test_DEPENDENCIES): Define.
12506         (relro_script_test_LDFLAGS): Define.
12507         (relro_script_test_LDADD): Define.
12508         (relro_script_test.so): New target.
12509         * testsuite/Makefile.in: Rebuild.
12510
12511 2008-08-06  Cary Coutant <ccoutant@google.com>
12512
12513         * archive.cc (Archive::total_archives, Archive::total_members)
12514         (Archive::total_members_loaded): New variables.
12515         (Archive::setup): Add parameter.  Add option to preread
12516         archive symbols.
12517         (Archive::read_armap): Add counter.
12518         (Archive::get_file_and_offset): New function.
12519         (Archive::get_elf_object_for_member): New function.
12520         (Archive::read_all_symbols): New function.
12521         (Archive::read_symbols): New function.
12522         (Archive::add_symbols): Add counters.
12523         (Archive::include_all_members): Use armap to find members if it's
12524         already built.
12525         (Archive::include_member): Skip reading symbols if already read.
12526         Factored code into Archive::get_file_and_offset and
12527         Archive::get_elf_object_for_member.  Changed call to
12528         Mapfile::report_include_archive_member.
12529         (Archive::print_stats): New function.
12530         * archive.h: Declare Object and Read_symbols_data classes.
12531         (Archive::Archive): Add initializers for new members.
12532         (Archive::setup): Add parameter.
12533         (Archive::print_stats): New function.
12534         (Archive::total_archives, Archive::total_members)
12535         (Archive::total_members_loaded): New variables.
12536         (Archive::get_file_and_offset): New function.
12537         (Archive::get_elf_object_for_member): New function.
12538         (Archive::read_all_symbols): New function.
12539         (Archive::read_symbols): New function.
12540         (Archive::Archive_member): New class.
12541         (Archive::members_): New member.
12542         (Archive::num_members_): New member.
12543         * main.cc: Include archive.h.
12544         (main): Call Archive::print_stats.
12545         * mapfile.cc (Mapfile::report_include_archive_member): Delete
12546         archive parameter; member_name is now the fully-decorated name.
12547         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
12548         * options.h: (General_options): Add --preread-archive-symbols option.
12549         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
12550         Archive::setup.
12551
12552 2008-08-04  Ian Lance Taylor  <iant@google.com>
12553
12554         * symtab.h (Symbol::use_plt_offset): New function.
12555         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
12556         * powerpc.cc (Relocate::relocate): Likewise.
12557         * sparc.cc (Relocate::relocate): Likewise.
12558         * x86_64.cc (Relocate::relocate): Likewise.
12559         * testsuite/weak_plt.sh: New test.
12560         * testsuite/weak_plt_main.cc: New test.
12561         * testsuite/weak_plt_shared.cc: New test.
12562         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
12563         (check_PROGRAMS): Add weak_plt.
12564         (check_DATA): Add weak_plt_shared.so.
12565         (weak_plt_main_pic.o, weak_plt): New targets.
12566         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
12567         * testsuite/Makefile.in: Rebuild.
12568
12569         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
12570         gcctestdir/ld.
12571         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
12572         * testsuite/Makefile.in: Rebuild.
12573
12574 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
12575
12576         * Makefile.am (POTFILES.in): Set LC_ALL=C.
12577         * Makefile.in: Regenerate.
12578         * po/POTFILES.in: Regenerate.
12579
12580 2008-07-29  Ian Lance Taylor  <iant@google.com>
12581
12582         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
12583         symbols before other symbols.
12584         * testsuite/script_test_2.cc (test_addr): Declare.
12585         (test_addr_alias): Declare.
12586         (main): Check that test_addr and test_addr_alias have the right
12587         values.
12588         * testsuite/script_test_2.t: Define test_addr_alias and
12589         test_addr.
12590
12591 2008-07-24  Ian Lance Taylor  <iant@google.com>
12592
12593         PR 5990
12594         * descriptors.cc: New file.
12595         * descriptors.h: New file.
12596         * gold-threads.h (class Hold_optional_lock): New class.
12597         * fileread.cc: Include "descriptors.h".
12598         (File_read::~File_read): Release descriptor rather than closing
12599         it.
12600         (File_read::open) [file]: Call open_descriptor rather than open.
12601         Set is_descriptor_opened_.
12602         (File_read::open) [memory]: Assert that descriptor is not open.
12603         (File_read::reopen_descriptor): New function.
12604         (File_read::release): Release descriptor.
12605         (File_read::do_read): Make non-const.  Reopen descriptor.
12606         (File_read::read): Make non-const.
12607         (File_read::make_view): Reopen descriptor.
12608         (File_read::do_readv): Likewise.
12609         * fileread.h (class File_read): Add is_descriptor_opened_ field.
12610         Update declarations.
12611         * layout.cc: Include "descriptors.h".
12612         (Layout::create_build_id): Use open_descriptor rather than open.
12613         * output.cc: Include "descriptors.h".
12614         (Output_file::open): Use open_descriptor rather than open.
12615         * archive.cc (Archive::const_iterator): Change Archive to be
12616         non-const.
12617         (Archive::begin, Archive::end): Make non-const.
12618         (Archive::count_members): Likewise.
12619         * archive.h (class Archive): Update declarations.
12620         * object.h (Object::read): Make non-const.
12621         * Makefile.am (CCFILES): Add descriptors.cc.
12622         (HFILES): Add descriptors.h.
12623         * Makefile.in: Rebuild.
12624
12625         PR 6716
12626         * gold.h: Always include <clocale>.  Add Solaris workarounds
12627         following code in binutils/sysdep.h.
12628
12629         PR 6048
12630         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
12631         this->eh_frame_hdr_ is NULL before using it.
12632
12633         * dynobj.cc (Versions::Versions): Update comment.
12634
12635         * dynobj.cc (Versions::Versions): If there is an soname, use it as
12636         the base version name.
12637
12638         * stringpool.cc (Stringpool_template::add_with_length): Set key to
12639         array size plus one.
12640         (Stringpool_template::set_string_offsets): Subtract one from key
12641         before using it as an array index.
12642         (Stringpool_template::get_offset_with_length): Likewise.
12643         (Stringpool_template::write_to_buffer): Likewise.
12644         * stringpool.h (Stringpool_template::get_offset_from_key):
12645         Likewise.
12646
12647 2008-07-23  Ian Lance Taylor  <iant@google.com>
12648
12649         PR 6658
12650         * object.h (Merged_symbol_value::value): Do our best to handle a
12651         negative addend.
12652
12653         PR 6647
12654         * script.cc (Version_script_info::get_versions): Don't add empty
12655         version tag to return value.
12656         (Version_script_info::get_symbol_version_helper): Change return
12657         type to bool.  Add pversion parameter.  Change all callers.
12658         (script_register_vers_node): Don't require a non-NULL tag.
12659         * script.h (class Version_script_info): Update declarations.
12660         (Version_script_info::get_symbol_version): Change return type to
12661         bool.  Add version parameter.  Change all callers.
12662         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
12663         handling.  Handle an empty version from a version script.
12664         (Symbol_table::define_special_symbol): Likewise.
12665         * testsuite/ver_test_10.script: New file.
12666         * testsuite/ver_test_10.sh: New file.
12667         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
12668         (check_DATA): Add ver_test_10.syms.
12669         (ver_test_10.syms, ver_test_10.so): New target.
12670         * testsuite/Makefile.in: Rebuild.
12671
12672 2008-07-23  Simon Baldwin  <simonb@google.com>
12673
12674         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
12675         to zero for undefined symbols from dynamic libraries.
12676
12677 2008-07-23  Ian Lance Taylor  <iant@google.com>
12678
12679         * symtab.cc (Symbol_table::resolve): Remove version parameter.
12680         Change all callers.
12681         * symtab.h (class Symbol_table): Update declaration.
12682         * testsuite/ver_test_9.cc: New file.
12683         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
12684         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
12685         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
12686         (ver_test_9.so, ver_test_9.o): New targets.
12687         * testsuite/Makefile.in: Rebuild.
12688
12689 2008-07-22  Ian Lance Taylor  <iant@google.com>
12690
12691         * options.h (class General_options): Define --check-sections.
12692         * layout.cc (Layout::set_segment_offsets): Handle
12693         --check-sections.
12694
12695         * options.h (class General_options): Define -n/--nmagic and
12696         -N/--omagic.
12697         * options.cc (General_options::finalize): For -n/--nmagic or
12698         -N/--omagic, set -static.
12699         * layout.cc (Layout::attach_allocated_section_to_segment): If
12700         -N/--omagic, don't put read-only and read-write sections in
12701         different segments.
12702         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
12703         finding a read-only segment.
12704         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
12705         don't set the minimum segment alignment to the common page size,
12706         and don't set the file offset to the address modulo the page size.
12707         * script-sections.cc (Script_sections::create_segments): If
12708         -n/--omagic, don't put read-only and read-write sections in
12709         different segments.
12710
12711         * cref.cc: New file.
12712         * cref.h: New file.
12713         * options.h (class General_options): Add --print-symbol-counts.
12714         * main.cc (main): Issue defined symbol report if requested.
12715         * archive.cc (Archive::interpret_header): Make into a const member
12716         function.
12717         (Archive::add_symbols): Call Input_objects::archive_start and
12718         archive_stop.
12719         (Archive::const_iterator): Define new class.
12720         (Archive::begin, Archive::end): New functions.
12721         (Archive::include_all_members): Rewrite to use iterator.
12722         (Archive::count_members): New function.
12723         * archive.h (class Archive): Update declarations.
12724         (Archive::filename): New function.
12725         * object.cc: Include "cref.h".
12726         (Sized_relobj::Sized_relobj): Initialize defined_count_.
12727         (Sized_relobj::do_get_global_symbol_counts): New function.
12728         (Input_objects::add_object): Add object to cross-referencer.
12729         (Input_objects::archive_start): New function.
12730         (Input_objects::archive_stop): New function.
12731         (Input_objects::print_symbol_counts): New function.
12732         * object.h: Declare Cref and Archive.
12733         (Object::get_global_symbol_counts): New function.
12734         (Object::do_get_global_symbol_counts): New pure virtual function.
12735         (class Sized_relobj): Add defined_count_ field.  Update
12736         declarations.
12737         (class Input_objects): Add cref_ field.  Update constructor.
12738         Update declarations.
12739         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
12740         defined_count_.
12741         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
12742         symbol counts.
12743         (Sized_dynobj::do_get_global_symbol_counts): New function.
12744         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
12745         defined_count_.  Update declarations.  Define Symbols typedef.
12746         * symtab.cc (Symbol_table::add_from_relobj): Add defined
12747         parameter.  Change all callers.
12748         (Symbol_table::add_from_dynobj): Add sympointers and defined
12749         parameters.  Change all callers.
12750         * symtab.h (class Symbol_table): Update declarations.
12751         * Makefile.am (CCFILES): Add cref.cc.
12752         (HFILES): Add cref.h.
12753         * Makefile.in: Rebuild.
12754
12755 2008-07-22  Simon Baldwin  <simonb@google.com>
12756
12757         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
12758         to zero when writing undefined symbols.
12759
12760 2008-07-22  Ian Lance Taylor  <iant@google.com>
12761
12762         * output.cc (Output_section::add_input_section): Don't try to
12763         merge empty merge sections.
12764
12765 2008-07-21  Craig Silverstein  <csilvers@google.com>
12766
12767         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
12768         Include symbol version in error message.
12769
12770 2008-07-20  Chris Demetriou  <cgd@google.com>
12771
12772         * configure.ac (gold_cv_c_random_seed): New configured variable.
12773         (RANDOM_SEED_CFLAGS): New substituted variable.
12774         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
12775         * configure: Rebuild.
12776         * Makefile.in: Likewise.
12777         * testsuite/Makefile.in: Likewise.
12778
12779 2008-07-18  Ian Lance Taylor  <iant@google.com>
12780
12781         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
12782         where we see NAME/NULL and NAME/VERSION  as separate symbols.
12783         * testsuite/ver_test_main.cc (main): Call t4.
12784         (t4, t4_2a): Define.
12785         * testsuite/ver_test_2.cc (t4_2): Define.
12786         * testsuite/ver_test_2.script: Put t4_2a in VER2.
12787         * testsuite/ver_test_4.cc (t4_2a): Define.
12788         * testsuite/ver_test_4.script: Put t4_2a in VER2.
12789         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
12790
12791 2008-07-17  Ian Lance Taylor  <iant@google.com>
12792
12793         * dynobj.cc (Versions::add_def): If we give an error about a
12794         missing version, go ahead and create the version anyhow.
12795
12796 2008-07-10  Ian Lance Taylor  <iant@google.com>
12797
12798         Handle output sections with more than 0x7fffffff bytes.
12799         * object.h (class Relobj): Change map_to_output_ to
12800         output_sections_, and just keep a section pointer.  Change all
12801         uses.  Move comdat group support to Sized_relobj.
12802         (Relobj::is_section_specially_mapped): Remove.
12803         (Relobj::output_section): Remove poff parameter.  Change all
12804         callers.
12805         (Relobj::output_section_offset): New function.
12806         (Relobj::set_section_offset): Rewrite.
12807         (Relobj::map_to_output): Remove.
12808         (Relobj::output_sections): New function.
12809         (Relobj::do_output_section_offset): New pure virtual function.
12810         (Relobj::do_set_section_offset): Likewise.
12811         (class Sized_relobj): Add section_offsets_ field.  Add comdat
12812         group support from Relobj.  Update declarations.
12813         (Sized_relobj::get_output_section_offset): New function.
12814         (Sized_relobj::do_output_section_offset): New function.
12815         (Sized_relobj::do_set_section_offset): New function.
12816         * object.cc (Relobj::output_section_address): Remove.
12817         (Sized_relobj::Sized_relobj): Initialize new fields.
12818         (Sized_relobj::include_section_group): Cast find_kept_object to
12819         Sized_relobj.
12820         (Sized_relobj::include_linkonce_section): Likewise.
12821         (Sized_relobj::do_layout): Use separate arrays for output section
12822         and output offset.
12823         (Sized_relobj::do_count_local_symbols): Change map_to_output to
12824         output_sections.
12825         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
12826         output_sections and section_offsets.
12827         (Sized_relobj::write_local_symbols): Likewise.
12828         (map_to_kept_section): Compute output address directly.
12829         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
12830         output_sections and section_offsets.
12831         (Sized_relobj::write_sections): Likewise.
12832         (Sized_relobj::relocate_sections): Likewise.
12833         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
12834         * output.h (class Output_reloc): Update declarations.  Change
12835         u2_.relobj to Sized_relobj*.
12836         (class Output_data_reloc): Change add functions to use
12837         Sized_relobj*.
12838         * output.cc (Output_reloc::Output_reloc): Change relobj to
12839         Sized_relobj*.
12840         (Output_reloc::local_section_offset): Change return type to
12841         Elf_Addr.  Use get_output_section_offset.
12842         (Output_reloc::get_address): Likewise.
12843         (Output_section::is_input_address_mapped): Don't call
12844         is_section_specially_mapped.
12845         (Output_section::output_offset): Likewise.
12846         (Output_section::output_address): Likewise.
12847         (Output_section::starting_output_address): Likewise.
12848         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
12849         parameter to Sized_relobj*.
12850         (Copy_relocs::need_copy_reloc): Likewise.
12851         (Copy_relocs::save): Likewise.
12852         * copy-relocs.h (class Copy_relocs): Update declarations.
12853         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
12854         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
12855         * target-reloc.h (relocate_for_relocatable): Change
12856         offset_in_output_section type to Elf_Addr.  Change code that uses
12857         it as well.
12858         * layout.cc (Layout::layout): Always set *off.
12859         * mapfile.cc (Mapfile::print_input_section): Use
12860         output_section_offset.
12861         * i386.cc (Target_i386::copy_reloc): Change object parameter to
12862         Sized_relobj*.
12863         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
12864         * sparc.cc (Target_sparc::copy_reloc): Likewise.
12865         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
12866
12867 2008-07-03  Ian Lance Taylor  <iant@google.com>
12868
12869         * layout.cc (Layout::include_section): Do not discard unrecognized
12870         SHT_STRTAB sections.
12871
12872 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
12873
12874         * script.cc (Lex::can_continue_name): Make '?' allowable in
12875         version-script names.
12876         * testsuite/version_script.map: Change glob pattern to use '?'
12877
12878 2008-06-30  Manish Singh  <yosh@gimp.org>
12879
12880         PR 6585
12881         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
12882         Correct typo.
12883
12884 2008-06-30  Ian Lance Taylor  <iant@google.com>
12885
12886         PR 6660
12887         PR 6682
12888         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
12889         versions]: Don't try to read the value in the contents, since we
12890         don't use it.  Use the template endianness when writing.
12891
12892 2008-06-25  Cary Coutant  <ccoutant@google.com>
12893
12894         * fileread.cc (File_read::make_view): Assert on zero-length view.
12895         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
12896         symbol table when there are no symbols to read.
12897
12898 2008-06-23  Craig Silverstein  <csilvers@google.com>
12899
12900         * version.cc (version_string): Bump to 1.7
12901
12902 2008-06-18  Craig Silverstein  <csilvers@google.com>
12903
12904         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
12905         constant 0xFFFF to type Valtype.
12906         (Powerpc_relocate_functions::rel16_ha): Likewise.
12907
12908 2008-06-17  Ian Lance Taylor  <iant@google.com>
12909
12910         * output.h (Output_section::Input_section): Initialize p2align_ to
12911         zero for Output_section_data constructors.
12912         (Output_section::Input_section::addralign): If not an input
12913         section, return the alignment of the Output_section_data.
12914         * testsuite/copy_test.cc: New file.
12915         * testsuite/copy_test_1.cc: New file.
12916         * testsuite/copy_test_2.cc: New file.
12917         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
12918         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
12919         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
12920         (copy_test_1_pic.o, copy_test_1.so): New targets.
12921         (copy_test_2_pic.o, copy_test_2.so): New targets.
12922         * testsuite/Makefile.in: Rebuild.
12923
12924         * script-sections.cc (Script_sections::place_orphan): Initialize
12925         local variable exact.
12926
12927 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
12928
12929         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
12930
12931 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
12932             David S. Miller  <davem@davemloft.net>
12933
12934         * powerpc.cc: New file.
12935         * Makefile.am (TARGETSOURCES): Add powerpc.cc
12936         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
12937         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
12938         * Makefile.in: Rebuild.
12939
12940 2008-06-09  Ian Lance Taylor  <iant@google.com>
12941
12942         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
12943         <exception>.
12944         (throwing, orig_terminate): New static variables.
12945         (terminate_handler): New static function.
12946         (t2): Set terminate handler.
12947
12948 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
12949
12950         PR 6584
12951         * binary.cc (Binary_to_elf::sized_convert): Fix .data
12952         alignment.
12953
12954 2008-05-30  Cary Coutant  <ccoutant@google.com>
12955
12956         * archive.cc (Archive::include_all_members) Correct to step
12957         over symbol table and extended name table in thin archives.
12958
12959 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
12960
12961         PR 6407
12962         * target-reloc.h (relocate_for_relocatable): Fix new_offset
12963         calculation.
12964
12965 2008-05-28  Caleb Howe  <cshowe@google.com>
12966
12967         * reduced_debug_output.cc: New file.
12968         * reduced_debug_output.h: New file.
12969         * options.h (class General_options): Add --strip-debug-non-line.
12970         * options.cc (General_options::finalize): Add strip_debug_non_line
12971         to the strip heirarchy.
12972         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
12973         fields.
12974         * layout.cc: Include "reduced_debug_output.h".
12975         (Layout::Layout): Initialize new fields.
12976         (line_only_debug_sections): New static array.
12977         (is_lines_only_debug_sections): New static inline function.
12978         (Layout::include_section): Handle --strip-debug-non-line.
12979         (Layout::make_output_section): If --strip-debug-non-line, build
12980         new output sections for .debug_abbrev and .debug_info.
12981         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
12982         gold.  Warn about possible overflow.
12983         (read_signed_LEB_128): Likewise.
12984         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
12985         (read_signed_LEB_128): Declare.
12986         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
12987         (HFILES): Add reduced_debug_output.h.
12988         * Makefile.in: Rebuild.
12989
12990 2008-05-21  Ian Lance Taylor  <iant@google.com>
12991
12992         * mapfile.cc: New file.
12993         * mapfile.h: New file.
12994         * options.h (class General_options): Add -M/--print-map and -Map.
12995         * options.cc (General_options::finalize): Make -M equivalent to
12996         -Map -.
12997         * main.cc: Include <cstdio> and "mapfile.h".
12998         (main): Open mapfile if requested.
12999         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
13000         constructor.  Change caller.
13001         (queue_initial_tasks): Add mapfile parameter.  Change caller.
13002         (queue_middle_tasks): Likewise.
13003         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
13004         declarations.
13005         * archive.cc: Include "mapfile.h".
13006         (Archive::add_symbols): Add mapfile parameter.  Change all
13007         callers.  Pass mapfile, symbol, and reason to include_member.
13008         (Archive::include_all_members): Add mapfile parameter.  Change all
13009         callers.
13010         (Archive::include_member): Add mapfile, sym, and why parameters.
13011         Change all callers.  Report inclusion to map file.
13012         * archive.h: Include "fileread.h".
13013         (class Archive): Update declarations.
13014         (Archive::file): New const method.
13015         (class Add_archive_symbols): Add mapfile_ field.  Update
13016         constructor.  Change all callers.
13017         * readsyms.h (class Read_symbols): Likewise.
13018         (class Finish_group): Likewise.
13019         (class Read_script): Likewise.
13020         * common.cc: Include "mapfile.h".
13021         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
13022         all callers.
13023         (Symbol_table::do_allocate_commons): Likewise.
13024         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
13025         symbol allocation to mapfile.
13026         * common.h (class Allocate_commons_task): Add mapfile_ field.
13027         Update constructor.  Change all callers.
13028         * symtab.h (class Symbol_table): Update declarations.
13029         * layout.cc: Include "mapfile.h".
13030         (Layout_task_runner::run): Print information to mapfile.
13031         (Layout::create_gold_note): Change Output_data_fixed_space to
13032         Output_data_zero_fill.
13033         (Layout::create_build_id): Likewise.
13034         (Layout::print_to_mapfile): New function.
13035         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
13036         constructor.  Change caller.
13037         (class Layout): Declare print_to_mapfile.
13038         * output.cc (Output_section::Input_section::print_to_mapfile): New
13039         function.
13040         (Output_section::add_input_section): If producing a map, always
13041         add to input_sections_ list.
13042         (Output_section::do_print_to_mapfile): New function.
13043         (Output_segment::print_sections_to_mapfile): New function.
13044         (Output_segment::print_section_list_to_mapfile): New function.
13045         * output.h: Include "mapfile.h".
13046         (Output_data::print_to_mapfile): New function.
13047         (Output_data::do_print_to_mapfile): New virtual function.
13048         (Output_segment_headers::do_print_to_mapfile): New function.
13049         (Output_file_header::do_print_to_mapfile): New function.
13050         (Output_data_const::do_print_to_mapfile): New function.
13051         (class Output_data_const_buffer): Add map_name_ field.  Update
13052         constructor.  Change all callers.  Add do_print_to_mapfile
13053         function.
13054         (class Output_data_fixed_space): Likewise.
13055         (class Output_data_space): Likewise.
13056         (class Output_data_zero_fill): New class.
13057         (Output_data_strtab::do_print_to_mapfile): New function.
13058         (Output_data_reloc_base::do_print_to_mapfile): New function.
13059         (Output_relocatable_relocs::do_print_to_mapfile): New function.
13060         (Output_data_group::do_print_to_mapfile): New function.
13061         (Output_data_got::do_print_to_mapfile): New function.
13062         (Output_data_dynamic::do_print_to_mapfile): New function.
13063         (Output_symtab_xindex::do_print_to_mapfile): New function.
13064         (class Output_section): Declare do_print_to_mapflie.  Declare
13065         print_to_mapfile in Input_section.
13066         (class Output_segment): Declare new functions.
13067         * object.h (Sized_relobj::symbol_count): New function.
13068         * script-sections.cc
13069         (Output_section_element_dot_assignment::set_section_addresses):
13070         Change Output_data_fixed_space to Output_data_zero_fill.
13071         (Output_data_expression::do_print_to_mapfile): New function.
13072         * script.cc (read_input_script): Add mapfile parameter.  Change
13073         all callers.
13074         * script.h (read_input_script): Update declaration.
13075         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
13076         (Eh_frame::do_print_to_mapfile): New function.
13077         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
13078         (Output_merge_string::do_print_to_mapfile): New function.
13079         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
13080         function.
13081         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
13082         function.
13083         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
13084         function.
13085         * Makefile.am (CCFILES): Add mapfile.cc.
13086         (HFILES): Add mapfile.h.
13087         * Makefile.in: Rebuild.
13088
13089 2008-05-19  Ian Lance Taylor  <iant@google.com>
13090
13091         * options.h (class General_options): Add -z relro.
13092         * layout.cc (Layout::Layout): Initialize relro_segment_.
13093         (Layout::add_output_section_data): Return the output section.
13094         (Layout::make_output_section): Rcognize relro sections and mark
13095         them appropriately.
13096         (Layout::attach_allocated_section_to_segment): Put relro sections
13097         in a PT_GNU_RELRO segment.
13098         (Layout::create_initial_dynamic_sections): Mark the .dynamic
13099         section as relro.
13100         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
13101         PT_TLS segments.
13102         (Layout::linkonce_mapping): Map d.rel.ro.local to
13103         .data.rel.ro.local.
13104         (Layout::output_section_name): Us .data.rel.ro.local for any
13105         section which begins with that.
13106         * layout.h (class Layout): Update add_output_section_data
13107         declaration.  Add relro_segment_ field.
13108         * output.cc (Output_section::Output_section): Initialize is_relro_
13109         and is_relro_local_ fields.
13110         (Output_segment::add_output_section): Group relro sections.
13111         (Output_segment::is_first_section_relro): New function.
13112         (Output_segment::maximum_alignment): If there is a relro section,
13113         align the segment to the common page size.
13114         (Output_segment::set_section_addresses): Track whether we are
13115         looking at relro sections.  If the last section is a relro
13116         section, align to the common page size.
13117         (Output_segment::set_section_list_addresses): Add in_relro
13118         parameter.  Change all callers.  Align to the page size when
13119         moving from relro to non-relro section.
13120         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
13121         segment.
13122         * output.h (class Output_section): Add is_relro_ and
13123         is_relro_local_ fields.
13124         (Output_section::is_relro): New function.
13125         (Output_section::set_is_relro): New function.
13126         (Output_section::is_relro_local): New function.
13127         (Output_section::set_is_relro_local): New function.
13128         (class Output_segment): Update declarations.
13129         * i386.cc (Target_i386::got_section): Mark .got section as relro.
13130         * sparc.cc (Target_sparc::got_section): Likewise.
13131         * x86_64.cc (Target_x86_64::got_section): Likewise.
13132         * testsuite/relro_test_main.cc: New file.
13133         * testsuite/relro_test.cc: New file.
13134         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
13135         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
13136         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
13137         (relro_test.so, relro_test_pic.o): New targets.
13138         * testsuite/Makefile.in: Rebuild.
13139
13140 2008-05-16  Ian Lance Taylor  <iant@google.com>
13141
13142         * output.cc (Output_segment::add_output_section): Remove front
13143         parameter.
13144         * output.h (class Output_segment): Remove
13145         add_initial_output_section and overloaded add_output_section.
13146         Update declaration of remaining add_output_section.
13147         * layout.cc (Layout::create_interp): Call add_output_section
13148         rather than add_initial_output_section.
13149         (Layout::finish_dynamic_section): Likewise.
13150
13151         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
13152         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
13153         know the dynamic type.
13154         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
13155         field.  Initialize it in constructor.
13156         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
13157         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
13158         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
13159         reloc.
13160
13161         * output.cc (Output_reloc::get_address): Change return type to
13162         Elf_Addr.
13163         * output.h (class Output_reloc): Update get_address declaration.
13164         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
13165         for section addresses.
13166
13167 2008-05-09  Ian Lance Taylor  <iant@google.com>
13168
13169         PR 6493
13170         * gold.cc (gold_nomem): Use return value of write.
13171
13172 2008-05-08  Ian Lance Taylor  <iant@google.com>
13173
13174         * symtab.c (Symbol::init_base_output_data): Add version
13175         parameter.  Change all callers.
13176         (Symbol::init_base_output_segment): Likewise.
13177         (Symbol::init_base_constant): Likewise.
13178         (Symbol::init_base_undefined): Likewise.
13179         (Sized_symbol::init_output_data): Likewise.
13180         (Sized_symbol::init_output_segment): Likewise.
13181         (Sized_symbol::init_constant): Likewise.
13182         (Sized_symbol::init_undefined): Likewise.
13183         (Symbol_table::do_define_in_output_data): If the new symbol has a
13184         version, mark it as the default.
13185         (Symbol_table::do_define_in_output_segment): Likewise.
13186         (Symbol_table::do_define_as_constant): Likewise.
13187         * symtab.h (class Symbol): Update declarations.
13188         (class Sized_symbol): Likewise.
13189         * resolve.cc (Symbol::override_version): New function.
13190         (Symbol::override_base): Call override_version.
13191         (Symbol::override_base_with_special): Likewise.
13192         * testsuite/ver_script_8.script: New file.
13193         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
13194         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
13195         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
13196         (ver_test_8_1.so, ver_test_8_2.so): New targets.
13197
13198 2008-05-06  Ian Lance Taylor  <iant@google.com>
13199
13200         PR 6049
13201         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
13202         functions.
13203         (class General_options): Remove existing --undefined, and add
13204         --no-undefined instead.  Add new --undefined as synonym for -u.
13205         * archive.cc (Archive::add_symbols): Check whether symbol was
13206         named with -u.
13207         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
13208         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
13209         all uses.  Add IS_UNDEFINED.  Update declarations to split
13210         different versions of init_base.  Declare init_base_undefined.
13211         (Symbol::is_defined): Handle IS_UNDEFINED.
13212         (Symbol::is_undefined): Likewise.
13213         (Symbol::is_weak_undefined): Call is_undefined.
13214         (Symbol::is_absolute): Handle IS_CONSTANT.
13215         (class Sized_symbol): Update declarations to split different
13216         versions of init.  Declare init_undefined.
13217         (class Symbol_table): Declare new functions.
13218         * symtab.cc (Symbol::init_base_object): Rename from init_base.
13219         Change all callers.
13220         (Symbol::init_base_output_data): Likewise.
13221         (Symbol::init_base_output_segment): Likewise.
13222         (Symbol::init_base_constant): Likewise.
13223         (Symbol::init_base_undefined): New function.
13224         (Sized_symbol::init_object): Rename from init.  Change all
13225         callers.
13226         (Sized_symbol::init_output_data): Likewise.
13227         (Sized_symbol::init_output_segment): Likewise.
13228         (Sized_symbol::init_constant): Likewise.
13229         (Sized_symbol::init_undefined): New function.
13230         (Symbol_table::add_undefined_symbols_from_command_line): New
13231         function.
13232         (Symbol_table::do_add_undefined_symbols_from_command_line): New
13233         function.
13234         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
13235         (Symbol::output_section): Likewise.
13236         (Symbol::set_output_section): Likewise.
13237         (Symbol_table::sized_finalize_symbol): Likewise.
13238         (Symbol_table::sized_write_globals): Likewise.
13239         * resolve.cc (Symbol_table::should_override): Likewise.
13240         (Symbol::override_base_with_special): Likewise.
13241
13242         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
13243         symbol, change it to have default visibility.
13244         * testsuite/protected_1.cc: New file.
13245         * testsuite/protected_2.cc: New file.
13246         * testsuite/protected_3.cc: New file.
13247         * testsuite/protected_main_1.cc: New file.
13248         * testsuite/protected_main_2.cc: New file.
13249         * testsuite/protected_main_3.cc: New file.
13250         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
13251         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
13252         (protected_1_LDFLAGS, protected_1_LDADD): Define.
13253         (protected_1.so): New target.
13254         (protected_1_pic.o, protected_2_pic.o): New targets.
13255         (protected_3_pic.o): New target.
13256         (check_PROGRAMS): Add protected_2.
13257         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
13258         (protected_2_LDFLAGS, protected_2_LDADD): Define.
13259         * testsuite/Makefile.in: Rebuild.
13260
13261         * options.h (DEFINE_var): Add set_user_set_##varname__.
13262         (DEFINE_bool_alias): New macro.
13263         (class General_options): Define -Bstatic using DEFINE_bool_alias
13264         rather than DEFINE_special.  Add --undefined as an alias for -z
13265         defs.
13266         * options.cc (General_options::parse_Bstatic): Remove.
13267
13268         * options.h (class General_options): Add --fatal-warnings.
13269         * main.cc (main): Implement --fatal-warnings.
13270         * errors.h (Errors::warning_count): New function.
13271
13272         * options.h (class General_options): Add -Bsymbolic-functions.
13273         * symtab.h (Symbol::is_preemptible): Check for
13274         -Bsymbolic-functions.
13275
13276 2008-05-05  Ian Lance Taylor  <iant@google.com>
13277
13278         * options.h (DEFINE_bool): For DASH_Z, create the negative option
13279         as noVARNAME rather than no-VARNAME.
13280         (class General_options): Add option -z combreloc.
13281         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
13282         get_address.
13283         (Output_reloc::sort_before) [SHT_REL]: New function.
13284         (Output_reloc::sort_before) [SHT_RELA]: New function.
13285         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
13286         Sort_relocs_comparison.
13287         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
13288         parameter.  Change all callers.
13289         (Output_data_reloc::Output_data_reloc) [both versions]: Add
13290         sort_relocs parameter.  Change all callers.
13291         * output.cc (Output_reloc::get_address): New function, broken out
13292         of write_rel.
13293         (Output_reloc::write_rel): Call it.
13294         (Output_reloc::compare): New function.
13295         (Output_data_reloc_base::do_write): Optionally sort relocs.
13296
13297         * configure.ac: If targ_extra_obj is set, link it in.
13298         * configure.tgt: Initialize all variables.
13299         (x86_64*): Set targ_extra_obj and targ_extra_size.
13300         * configure: Rebuild.
13301
13302         * object.cc (Sized_relobj::include_section_group): Adjust section
13303         indexes read from group data.  Build vector to pass to
13304         layout_group.
13305         * layout.cc (Layout::layout_group): Add flags and shndxes
13306         parameters.  Remove contents parameter.  Change caller.  Update
13307         explicit instantiations.
13308         * layout.h (class Layout): Update layout_group declaration.
13309         * output.cc (Output_data_group::Output_data_group): Add flags and
13310         input_shndxes parameters.  Remove contents parameter.  Change
13311         caller.
13312         (Output_data_group::do_write): Change input_sections_ to
13313         input_shndxes_.
13314         * output.h (class Output_data_group): Update constructor
13315         declaration.  Rename input_sections_ to input_shndxes_.
13316         * testsuite/many_sections_test.cc: Add template.
13317
13318 2008-04-30  Cary Coutant  <ccoutant@google.com>
13319
13320         * target-reloc.h (relocate_section): Fix dead-pointer bug.
13321
13322         * layout.cc (Layout::include_section): Refactored check for debug
13323         info section.
13324         (Layout::add_comdat): Add new parameters.  Change type
13325         of signature parameter.  Add object and shndx to signatures table.
13326         (Layout::find_kept_object): New function.
13327         * layout.h: Include <cstring>.
13328         (Layout::is_debug_info_section): New function.
13329         (Layout::add_comdat): Add new parameters.
13330         (Layout::find_kept_object): New function.
13331         (Layout::Kept_section): New struct.
13332         (Layout::Signatures): Change type of map range.
13333         * object.cc (Relobj::output_section_address): New function.
13334         (Sized_relobj::include_section_group): Add new parameters.  Change
13335         calls to Layout::add_comdat.  Change to build table of kept comdat
13336         groups and table mapping discarded sections to kept sections.
13337         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
13338         (Sized_relobj::do_layout): Change calls to include_section_group and
13339         include_linkonce_section.
13340         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
13341         value to zero when section is discarded.
13342         (Sized_relobj::map_to_kept_section): New function.
13343         * object.h (Relobj::output_section_address): New function.
13344         (Relobj::Comdat_group): New type.
13345         (Relobj::find_comdat_group): New function.
13346         (Relobj::Comdat_group_table): New type.
13347         (Relobj::Kept_comdat_section): New type.
13348         (Relobj::Kept_comdat_section_table): New type.
13349         (Relobj::add_comdat_group): New function.
13350         (Relobj::set_kept_comdat_section): New function.
13351         (Relobj::get_kept_comdat_section): New function.
13352         (Relobj::comdat_groups_): New field.
13353         (Relobj::kept_comdat_sections_): New field.
13354         (Symbol_value::input_value): Update comment.
13355         (Sized_relobj::map_to_kept_section) New function.
13356         (Sized_relobj::include_linkonce_section): Add new parameter.
13357         * target-reloc.h (Comdat_behavior): New type.
13358         (get_comdat_behavior): New function.
13359         (relocate_section): Add code to map a discarded section to the
13360         corresponding kept section when applying a relocation.
13361
13362 2008-04-30  Craig Silverstein  <csilvers@google.com>
13363
13364         * dwarf_reader.cc (next_generation_count): New static var.
13365         (Addr2line_cache_entry): New struct.
13366         (addr2line_cache): New static var.
13367         (Dwarf_line_info::one_addr2line): Added caching.
13368         (Dwarf_line_info::clear_addr2line_cache): New function.
13369         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
13370         cache-size parameter.
13371         (Dwarf_line_info::one_addr2line_cache): New function.
13372         * symtab.cc (Symbol_table::detect_odr_violations): Pass
13373         new cache-size argument to one_addr2line(), and clear cache.
13374
13375 2008-04-28  Cary Coutant  <ccoutant@google.com>
13376
13377         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
13378         R_386_PC8 relocations.
13379
13380 2008-04-23  Ian Lance Taylor  <iant@google.com>
13381
13382         * object.cc (Sized_relobj::include_section_group): Check for
13383         invalid section group.
13384
13385         * object.cc (make_elf_object): Correct test for 64-bit ELF file
13386         header size.
13387
13388         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
13389         than read for file header.
13390         * archive.cc (Archive::include_member): Likewise.
13391
13392 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
13393
13394         * aclocal.m4: Regenerate.
13395         * configure: Regenerate.
13396
13397 2008-04-19  Ian Lance Taylor  <iant@google.com>
13398
13399         * version.cc (version_string): Bump to 1.6.
13400
13401         * testsuite/Makefile.am (many_sections_r_test): New target.
13402         (many_sections_r_test_SOURCES): Remove.
13403         (many_sections_r_test_DEPENDENCIES): Remove.
13404         (many_sections_r_test_LDFLAGS): Remove.
13405         (many_sections_r_test_LDADD): Remove.
13406
13407         * object.cc (Sized_relobj::do_add_symbols): Always pass
13408         local_symbol_count_ to add_from_relobj.
13409
13410         * testsuite/Makefile.am (many_sections_check.h): Only check one in
13411         every thousand variables.
13412         * testsuite/Makefile.in: Rebuild.
13413
13414         * object.cc (Xindex::initialize_symtab_xindex): New function.
13415         (Xindex::read_symtab_xindex): New function.
13416         (Xindex::sym_xindex_to_shndx): New function.
13417         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
13418         available.
13419         (Sized_relobj::do_initialize_xindex): New function.
13420         (Sized_relobj::do_read_symbols): Adjust section links.
13421         (Sized_relobj::symbol_section_and_value): Add is_ordinary
13422         parameter.  Change all callers.
13423         (Sized_relobj::include_section_group): Adjust section links and
13424         symbol section indexes.
13425         (Sized_relobj::do_layout): Adjust section links.
13426         (Sized_relobj::do_count_local_symbols): Adjust section links and
13427         symbol section indexes.
13428         (Sized_relobj::do_finalize_local_symbols): Distinguish between
13429         ordinary and special symbols.
13430         (Sized_relobj::write_local_symbols): Add symtab_xindex and
13431         dynsym_xindex parameters.  Change all callers.  Adjust section
13432         links.  Use SHN_XINDEX when needed.
13433         (Sized_relobj::get_symbol_location_info): Adjust section links.
13434         Don't get fooled by special symbols.
13435         * object.h (class Xindex): Define.
13436         (class Object): Add xindex_ parameter.  Declare virtual functoin
13437         do_initialize_xindex.
13438         (Object::adjust_sym_shndx): New function.
13439         (Object::set_xindex): New protected function.
13440         (class Symbol_value): Add is_ordinary_shndx_ field.
13441         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
13442         (Symbol_value::value): Assert ordinary section.
13443         (Symbol_value::initialize_input_to_output_map): Likewise.
13444         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
13445         Change all callers.
13446         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
13447         all callers.
13448         (class Sized_relobj): Update declarations.
13449         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
13450         parameter.  Change all callers.
13451         (Sized_relobj::adjust_shndx): New function.
13452         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
13453         field.
13454         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
13455         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
13456         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
13457         (Sized_dynobj::read_dynsym_section): Adjust section links.
13458         (Sized_dynobj::read_dynamic): Likewise.
13459         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
13460         section links.
13461         (Sized_dynobj::do_initialize_xindex): New function.
13462         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
13463         do_initialize_xindex.
13464         (Sized_dynobj::adjust_shndx): New function.
13465         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
13466         dynsym_xindex_ fields.
13467         (Layout::finalize): Add a call to set_section_indexes before
13468         creating the symtab sections.
13469         (Layout::set_section_indexes): Don't do anything if the section
13470         already has a section index.
13471         (Layout::create_symtab_sections): Add shnum parameter.  Change
13472         caller.  Create .symtab_shndx section if needed.
13473         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
13474         caller.
13475         (Layout::allocated_output_section_count): New function.
13476         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
13477         needed.
13478         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
13479         fields.  Update declarations.
13480         (Layout::symtab_xindex): New function.
13481         (Layout::dynsym_xindex): New function.
13482         (class Write_symbols_task): Add layout_ field.
13483         (Write_symbols_task::Write_symbols_task): Add layout parameter.
13484         Change caller.
13485         * output.cc (Output_section_headers::Output_section_headers): Add
13486         shstrtab_section parameter.  Change all callers.
13487         (Output_section_headers::do_sized_write): Store overflow values
13488         for section count and section string table section index in
13489         section header zero.
13490         (Output_file_header::do_sized_write): Check for overflow of
13491         section count and section string table section index.
13492         (Output_symtab_xindex::do_write): New function.
13493         (Output_symtab_xindex::endian_do_write): New function.
13494         * output.h (class Output_section_headers): Add shstrtab_section_.
13495         Update declarations.
13496         (class Output_symtab_xindex): Define.
13497         (Output_section::has_out_shndx): New function.
13498         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
13499         field.
13500         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
13501         Change all callers.
13502         (Sized_symbol::init): Likewise.
13503         (Symbol::output_section): Check for ordinary symbol.
13504         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
13505         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
13506         callers.
13507         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
13508         Change all callers.  Simplify handling of symbols from sections
13509         not included in the link.
13510         (Symbol_table::add_from_dynobj): Handle ordinary symbol
13511         distinction.
13512         (Weak_alias_sorter::operator()): Assert that symbols are
13513         ordinary.
13514         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
13515         distinction.
13516         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
13517         parameters.  Change all callers.
13518         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
13519         symbol distinction.  Use SHN_XINDEX when needed.
13520         (Symbol_table::write_section_symbol): Add symtab_xindex
13521         parameter.  Change all callers.
13522         (Symbol_table::sized_write_section_symbol): Likewise.  Use
13523         SHN_XINDEX when needed.
13524         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
13525         declarations.
13526         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
13527         (Symbol::is_defined): Check is_ordinary.
13528         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
13529         (Symbol::is_absolute, Symbol::is_common): Likewise.
13530         (class Sized_symbol): Update declarations.
13531         (class Symbol_table): Update declarations.
13532         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
13533         parameters.  Change all callers.
13534         (Sized_symbol::override): Likewise.
13535         (Symbol_table::override): Likewise.
13536         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
13537         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
13538         is_ordinary, and orig_st_shndx parameters.  Change all callers.
13539         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
13540         to be in an ordinary section.
13541         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
13542         object and is_ordinary parameters.  Change all callers.
13543         (Sized_dwarf_line_info::read_relocs): Add object parameter.
13544         Change all callers.  Don't add undefined or non-ordinary symbols
13545         to reloc_map_.
13546         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
13547         Change all callers.
13548         * dwarf_reader.h (class Sized_dwarf_line_info): Update
13549         declarations.
13550         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
13551         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
13552         (Sized_relobj::relocate_sections): Likewise.
13553         * target-reloc.h (scan_relocs): Adjust section symbol index.
13554         (scan_relocatable_relocs): Likewise.
13555         * i386.cc (Scan::local): Check for ordinary symbols.
13556         * sparc.cc (Scan::local): Likewise.
13557         * x86_64.cc (Scan::local): Likewise.
13558         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
13559         to symbol_section_and_value.
13560         * testsuite/many_sections_test.cc: New file.
13561         * testsuite/Makefile.am (BUILT_SOURCES): Define.
13562         (check_PROGRAMS): Add many_sections_test.
13563         (many_sections_test_SOURCES): Define.
13564         (many_sections_test_DEPENDENCIES): Define.
13565         (many_sections_test_LDFLAGS): Define.
13566         (BUILT_SOURCES): Add many_sections_define.h.
13567         (many_sections_define.h): New target.
13568         (BUILT_SOURCES): Add many_sections_check.h.
13569         (many_sections_check.h): New target.
13570         (check_PROGRAMS): Add many_sections_r_test.
13571         (many_sections_r_test_SOURCES): Define.
13572         (many_sections_r_test_DEPENDENCIES): Define.
13573         (many_sections_r_test_LDFLAGS): Define.
13574         (many_sections_r_test_LDADD): Define.
13575         (many_sections_r_test.o): New target.
13576         * testsuite/Makefile.in: Rebuild.
13577
13578 2008-04-17  Cary Coutant  <ccoutant@google.com>
13579
13580         * errors.cc (Errors::info): New function.
13581         (gold_info): New function.
13582         * errors.h (Errors::info): New function.
13583         * gold.h (gold_info): New function.
13584         * object.cc (Input_objects::add_object): Print trace output.
13585         * options.cc (options::parse_set): New function.
13586         (General_options::parse_wrap): Deleted.
13587         (General_options::General_options): Deleted initializer.
13588         * options.h (options::String_set): New typedef.
13589         (options::parse_set): New function.
13590         (DEFINE_set): New macro.
13591         (General_options::wrap): Changed to use DEFINE_set. Changed
13592         callers of any_wrap_symbols and is_wrap_symbol.
13593         (General_options::trace, General_options::trace_symbol):
13594         New options.
13595         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
13596         (General_options::wrap_symbols_): Deleted.
13597         * symtab.cc (Symbol_table::add_from_object): Print trace output.
13598
13599 2008-04-17  David S. Miller  <davem@davemloft.net>
13600
13601         * options.cc (General_options::parse_V): New function.
13602         * options.h: Add entries for -V and -Qy.
13603
13604 2008-04-17  Ian Lance Taylor  <iant@google.com>
13605
13606         * common.cc (Symbol_table::allocate_commons): Remove options
13607         parameter.  Change caller.
13608         (Symbol_table::do_allocate_commons): Remove options parameter.
13609         Change caller.  Just call do_allocate_commons_list twice.
13610         (Symbol_table::do_allocate_commons_list): New function, broken out
13611         of do_allocate_commons.
13612         * common.h (class Allocate_commons_task): Remove options_ field.
13613         Update constructor.
13614         * symtab.cc (Symbol_table::Symbol_table): Initialize
13615         tls_commons_.
13616         (Symbol_table::add_from_object): Put TLS common symbols on
13617         tls_commons_ list.
13618         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
13619         which are IN_OUTPUT_DATA.
13620         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
13621         allocate_commons and do_allocate_commons declarations.  Declare
13622         do_allocate_commons_list.
13623         * gold.cc (queue_middle_tasks): Update creation of
13624         Allocate_commons_task to not pass options.
13625         * testsuite/Makefile.am (INCLUDES): Add -I.. .
13626         (TLS_TEST_C_FLAGS): New variable.
13627         (tls_test_c_pic.o): New target.
13628         (tls_test_shared.so): Link in tls_test_c_pic.o.
13629         (tls_test_c_pic_ie.o): New target.
13630         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
13631         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
13632         (tls_test_c.o): New target.
13633         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
13634         (tls_pic_test_LDADD): Likewise.
13635         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
13636         (tls_shared_gd_to_ie_test_LDADD): Likewise.
13637         (tls_test_c_gnu2.o): New target.
13638         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
13639         tls_test_c_gnu2.o.
13640         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
13641         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
13642         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
13643         * testsuite/tls_test.cc: Include "config.h".
13644         (t_last): Call t11_last.
13645         * testsuite/tls_test.h (t11, t11_last): Declare.
13646         * testsuite/tls_test_c.c: New file.
13647         * testsuite/tls_test_main.cc (thread_routine): Call t11.
13648         * configure.ac: Check for OpenMP support.
13649         * configure, config.in, Makefile.in: Rebuild.
13650         * testsuite/Makefile.in: Rebuild.
13651
13652 2008-04-16  Cary Coutant  <ccoutant@google.com>
13653
13654         * i386.cc (Target_i386::define_tls_base_symbol): New function.
13655         (Target_i386::tls_base_symbol_defined_): New field.
13656         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13657         (Target_i386::Scan::global): Likewise.
13658         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
13659         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
13660         (Target_x86_64::tls_base_symbol_defined_): New field.
13661         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
13662         (Target_x86_64::Scan::global): Likewise.
13663
13664 2008-04-16  Cary Coutant  <ccoutant@google.com>
13665
13666         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
13667         (Symbol::needs_plt_entry): Allow weak undefined symbols.
13668         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
13669         building shared libraries.
13670         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
13671         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
13672         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
13673         * testsuite/Makefile.in: Rebuild.
13674         * testsuite/weak_undef.h: New file.
13675         * testsuite/weak_undef_file1.cc: Add extra test cases.
13676         * testsuite/weak_undef_file2.cc: Likewise.
13677         * testsuite/weak_undef_test.cc: Likewise.
13678
13679 2008-04-16  David S. Miller  <davem@davemloft.net>
13680
13681         * sparc.cc (Target_sparc::Scan): Change from struct to class.
13682         Add issued_non_pic_error_ field.  Declare check_non_pic.
13683         (Target_sparc::Scan::check_non_pic): New function.
13684         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
13685         (Target_sparc::Scan::global): Likewise.
13686
13687         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
13688         * configure: Rebuild.
13689
13690         * options.h (DEFINE_enable): New macro.
13691         (new_dtags): New enable option.
13692         (initfirst, interpose, loadfltr, nodefaultlib,
13693         nodelete, nodlopen, nodump): New -z options.
13694         * layout.cc (Layout:finish_dynamic_section): If new
13695         dtags enabled, emit DT_RUNPATH.  Also, emit a
13696         DT_FLAGS_1 containing any specified -z flags.
13697
13698 2008-04-16  Ian Lance Taylor  <iant@google.com>
13699
13700         * copy-relocs.cc: New file.
13701         * copy-relocs.h: New file.
13702         * reloc.cc: Remove Copy_relocs code.
13703         * reloc.h: Likewise.
13704         * reloc-types.h (struct Reloc_types) [both versions]: Add
13705         get_reloc_addend_noerror.
13706         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
13707         variants of add_global which take an addend which must be zero.
13708         * i386.cc: Include "copy-relocs.h".
13709         (class Target_i386): Change type of copy_relocs_ to variable,
13710         update initializer.
13711         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
13712         Change all callers.
13713         (Target_i386::do_finalize_sections): Change handling of
13714         copy_relocs_.
13715         * sparc.cc: Include "copy-relocs.h".
13716         (class Target_sparc): Change type of copy_relocs_ to variable,
13717         update initializer.
13718         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
13719         Change all callers.
13720         (Target_sparc::do_finalize_sections): Change handling of
13721         copy_relocs_.
13722         * x86_64.cc: Include "copy-relocs.h".
13723         (class Target_x86_64): Change type of copy_relocs_ to variable,
13724         update initializer.
13725         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
13726         class.  Change all callers.
13727         (Target_x86_64::do_finalize_sections): Change handling of
13728         copy_relocs_.
13729         * Makefile.am (CCFILES): Add copy-relocs.cc.
13730         (HFILES): Add copy-relocs.h.
13731
13732         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
13733
13734         * testsuite/script_test_4.sh: Permit leading zeroes.
13735
13736 2008-04-15  Ian Lance Taylor  <iant@google.com>
13737
13738         * script-sections.cc (Script_sections::create_segments): Use
13739         header_size_adjustment even when there is enough room for the
13740         headers.
13741         * testsuite/script_test_4.sh: New file.
13742         * testsuite/script_test_4.t: New file.
13743         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
13744         (check_DATA): Add script_test_4.stdout.
13745         (MOSTLYCLEANFILES): Likewise.
13746         (script_test_4): New target.
13747         (script_test_4.stdout): New target.
13748         * testsuite/Makefile.in: Rebuild.
13749
13750         * sparc.cc: Add definitions for Output_data_plt_sparc class
13751         constants.
13752
13753 2008-04-14  David S. Miller  <davem@davemloft.net>
13754
13755         * sparc.cc: New file.
13756         * Makefile.am (TARGETSOURCES): Add sparc.cc
13757         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
13758         * configure.tgt: Document targ_extra_size and
13759         targ_extra_big_endian.  Add entries for sparc-* and
13760         sparc64-*.
13761         * configure.ac: Handle targ_extra_size and
13762         targ_extra_big_endian.
13763         * Makefile.in: Rebuild.
13764         * configure: Likewise.
13765         * po/POTFILES.in: Likewise.
13766         * po/gold.pot: Likewise.
13767
13768 2008-04-14  Ian Lance Taylor  <iant@google.com>
13769
13770         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
13771         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
13772         in the name/type/flags to section mapping.  Don't call
13773         allocate_output_section.
13774         (Layout::choose_output_section): Change parameter from adjust_name
13775         to is_input_section.  Don't permit input sections after sections
13776         are attached to segments.  Don't call allocate_output_section.
13777         (Layout::layout_eh_frame): Call update_flags_for_input_section,
13778         not write_enable_output_section.
13779         (Layout::make_output_section): Don't push to
13780         unattached_section_list_ nor call attach_to_segment.  Call
13781         attach_section_to_segment if sections are attached.
13782         (Layout::attach_sections_to_segments): New function.
13783         (Layout::attach_section_to_segment): New function.
13784         (Layout::attach_allocated_section_to_segment): Rename from
13785         attach_to_segment.  Remove flags parameter.
13786         (Layout::allocate_output_section): Remove function.
13787         (Layout::write_enable_output_section): Remove function.
13788         * layout.h (class Layout): Update for above changes.  Add new
13789         field sections_are_attached_.
13790         * output.h (Output_section::update_flags_for_input_section): New
13791         function.
13792         * output.cc (Output_section::add_input_section): Call
13793         update_flags_for_input_section.
13794         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
13795
13796 2008-04-11  Cary Coutant  <ccoutant@google.com>
13797
13798         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
13799         thought unnecessary.
13800         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
13801
13802 2008-04-11  Ian Lance Taylor  <iant@google.com>
13803
13804         * output.h (class Output_section_data): Remove inline definition
13805         of set_addralign.
13806         * output.cc (Output_section_data::set_addralign): New function.
13807
13808 2008-04-11  Cary Coutant  <ccoutant@google.com>
13809
13810         Add support for TLS descriptors for i386 and x86_64.
13811         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
13812         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
13813         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
13814         GOT_TYPE_TLS_DESC.
13815         (Target_i386::got_mod_index_entry): Remove unnecessary code.
13816         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
13817         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
13818         relocations.
13819         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
13820         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
13821         Fix problem with initial-exec relocations.
13822         (Target_i386::Relocate::relocate_tls): Likewise.
13823         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
13824         relaxation.
13825         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
13826         support for section-plus-offset dynamic table entries.
13827         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
13828         (Output_data_dynamic::Dynamic_entry): Add support for
13829         section-plus-offset dynamic table entries.
13830         (Output_data_dynamic::Classification): Likewise.
13831         (Output_data_dynamic::classification_): Renamed offset_.
13832         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
13833         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
13834         (Target_x86_64::make_plt_section): New function.
13835         (Target_x86_64::reserve_tlsdesc_entries): New function.
13836         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
13837         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
13838         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
13839         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
13840         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
13841         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
13842         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
13843         add extra PLT entry for TLS descriptors.
13844         (Output_data_plt_x86_64::got_): New field.
13845         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
13846         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
13847         fields.
13848         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
13849         descriptors.
13850         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
13851         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
13852         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
13853         R_386_TLS_DESC_CALL relocations.
13854         (Target_x86_64::Scan::global): Likewise.
13855         (Target_x86_64::do_finalize_sections): Add dynamic table entries
13856         for TLS descriptors.
13857         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
13858         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
13859         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
13860         GD-to-IE relaxation.
13861         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
13862         and TLS_DESCRIPTORS.
13863         * Makefile.in: Rebuild.
13864         * configure: Rebuild.
13865         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
13866         (tls_test_shared2.so): New target.
13867         (tls_shared_gd_to_ie_test_SOURCES): New variable.
13868         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
13869         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
13870         (tls_shared_gd_to_ie_test_LDADD): New variable.
13871         (tls_shared_gnu2_gd_to_ie_test): New target.
13872         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
13873         New targets.
13874         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
13875         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
13876         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
13877         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
13878         (tls_shared_gnu2_test): New target.
13879         (tls_test_gnu2_shared.so): New target.
13880         (tls_shared_gnu2_test_SOURCES): New variable.
13881         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
13882         (tls_shared_gnu2_test_LDFLAGS): New variable.
13883         (tls_shared_gnu2_test_LDADD): New variable.
13884         * testsuite/Makefile.in: Rebuild.
13885         * testsuite/Makefile.
13886
13887 2008-04-11  Ian Lance Taylor  <iant@google.com>
13888
13889         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
13890         justsyms.t.
13891         * testsuite/Makefile.in: Rebuild.
13892
13893         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
13894         long.
13895         * testsuite/script_test_2.cc (main): Adjust test.
13896
13897 2008-04-11  David S. Miller  <davem@davemloft.net>
13898             Ian Lance Taylor  <iant@google.com>
13899
13900         * options.h (General_options): Add entries for '-Y' and
13901         '-relax'.
13902         * options.cc (General_options:finalize): If -Y was used, add those
13903         entries to the library path instead of the default "/lib" and
13904         "/usr/lib".
13905
13906 2008-04-11  David S. Miller  <davem@davemloft.net>
13907
13908         * testsuite/justsyms.t: Start at 0x100.
13909         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
13910         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
13911         long.
13912         * testsuite/script_test_2.cc: Adjust string and section length
13913         checks.
13914
13915 2008-04-09  Ian Lance Taylor  <iant@google.com>
13916
13917         PR gold/5996
13918         * script-sections.cc (Sections_element::allocate_to_segment): Add
13919         orphan parameter.
13920         (Output_section_definition::allocate_to_segment): Likewise.
13921         (Orphan_output_section::allocate_to_segment): Likewise.
13922         (Script_sections::attach_sections_using_phdrs_clause): Don't
13923         propagate non-PT_LOAD segments to orphan sections.
13924         * testsuite/Makefile.am (script_test_3.stdout): Generate using
13925         readelf rather than objdump.
13926         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
13927         .interp section and PT_INTERP segment are the same size.
13928         * testsuite/Makefile.in: Rebuild.
13929
13930         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
13931         aliases for symbols defined in the same object.
13932         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
13933         (weak_alias_test_SOURCES): New variable.
13934         (weak_alias_test_DEPENDENCIES): New variable.
13935         (weak_alias_test_LDFLAGS): New variable.
13936         (weak_alias_test_LDADD): New variable.
13937         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
13938         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
13939         (weak_alias_test_3.o): New target.
13940         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
13941         * testsuite/weak_alias_test_main.cc: New file.
13942         * testsuite/weak_alias_test_1.cc: New file.
13943         * testsuite/weak_alias_test_2.cc: New file.
13944         * testsuite/weak_alias_test_3.cc: New file.
13945
13946 2008-04-08  Ian Lance Taylor  <iant@google.com>
13947
13948         * options.h (class General_options): Add --noinhibit-exec option.
13949         * main.cc (main): Check --noinhibit-exec.
13950
13951         * options.h (class General_options): Define --wrap as a special
13952         option.  Add wrap_symbols_ field.
13953         (General_options::any_wrap_symbols): New function.
13954         (General_options::is_wrap_symbol): New function.
13955         * options.cc (General_options::parse_wrap): New function.
13956         (General_options::General_options): Initialize wrap_symbols_.
13957         * symtab.cc (Symbol_table::wrap_symbol): New function.
13958         (Symbol_table::add_from_object): Handle --wrap.
13959         * symtab.h (class Symbol_table): Declare wrap_symbol.
13960         * target.h (Target::wrap_char): New function.
13961         (Target::Target_info): Add wrap_char field.
13962         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
13963         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
13964         * testsuite/testfile.cc (Target_test::test_target_info):
13965         Likewise.
13966
13967         * errors.cc (Errors::undefined_symbol): Mention symbol version if
13968         there is one.
13969
13970         * layout.h (class Layout): Add added_eh_frame_data_ field.
13971         * layout.cc (Layout::Layout): Initialize new field.
13972         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
13973         output section until we find a section we merged successfully.
13974         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
13975         that the size be non-zero.
13976
13977         * merge.cc (Object_merge_map::get_output_offset): Remove inline
13978         qualifier.
13979
13980 2008-04-08  Craig Silverstein  <csilvers@google.com>
13981
13982         * configure.ac: Export new conditional variable HAVE_ZLIB.
13983         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
13984         on HAVE_ZLIB.
13985         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
13986         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
13987
13988 2008-04-07  Ian Lance Taylor  <iant@google.com>
13989
13990         * version.cc (version_string): Set to "1.5".
13991
13992         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
13993         Add issued_non_pic_error_ field.  Declare check_non_pic.
13994         (Target_x86_64::Scan::check_non_pic): New function.
13995         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
13996         (Target_x86_64::Scan::global): Likewise.
13997
13998         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
13999         addend parameter.  Change caller.  Handle merge sections.
14000         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
14001         Address to Addend.  Don't add in the result of
14002         local_section_offset, pass down the addend and use the returned
14003         value.
14004         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
14005         Update declarations of local_section_offset and symbol_value.
14006         * testsuite/two_file_test_1.cc (t18): New function.
14007         * testsuite/two_file_test_2.cc (f18): New function.
14008         * testsuite/two_file_test_main.cc (main): Call t18.
14009         * testsuite/two_file_test.h (t18, f18): Declare.
14010
14011         * configure.ac: Don't test for objdump, c++filt, or readelf.
14012         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
14013         conditionals.
14014         (TEST_READELF): New variable.
14015         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
14016         (check_PROGRAMS): Add two_file_strip_test.
14017         (two_file_strip_test): New target.
14018         (check_PROGRAMS): Add two_file_same_shared_strip_test.
14019         (two_file_same_shared_strip_test_SOURCES): New variable.
14020         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
14021         (two_file_same_shared_strip_test_LDFLAGS): New variable.
14022         (two_file_same_shared_strip_test_LDADD): New variable.
14023         (two_file_shared_strip.so): New target.
14024         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
14025         (ver_test_5.syms, ver_test_7.syms): Likewise.
14026         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
14027         (strip_test_3.stdout): Use TEST_OBJDUMP.
14028         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
14029
14030 2008-04-04  Cary Coutant  <ccoutant@google.com>
14031
14032         * symtab.h (Symbol::is_weak_undefined): New function.
14033         (Symbol::is_strong_undefined): New function.
14034         (Symbol::is_absolute): New function.
14035         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
14036         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
14037         absolute symbols.
14038         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
14039         (weak_undef_test): New target.
14040         * testsuite/Makefile.in: Rebuild.
14041         * testsuite/weak_undef_file1.cc: New file.
14042         * testsuite/weak_undef_file2.cc: New file.
14043         * testsuite/weak_undef_test.cc: New file.
14044
14045 2008-04-03  Craig Silverstein  <csilvers@google.com>
14046
14047         * compressed_output.h (class Output_compressed_section): Use
14048         unsigned buffer.
14049         * compressed_output.cc (zlib_compress): Use unsigned buffers,
14050         add zlib header.
14051         (zlib_compressed_suffix): Removed.
14052         (Output_compressed_section::set_final_data_size): Use unsigned
14053         buffers.
14054         * testsuite/Makefile.am (flagstest_compress_debug_sections):
14055         Fix linker invocation.
14056         (flagstest_o_specialfile_and_compress_debug_sections):
14057         Likewise.
14058         * testsuite/Makefile.in: Regenerated.
14059
14060 2008-04-02  David S. Miller  <davem@davemloft.net>
14061
14062         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
14063         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
14064
14065 2008-04-02  Craig Silverstein  <csilvers@google.com>
14066
14067         * TODO: New file.
14068
14069 2008-04-02  Ian Lance Taylor  <iant@google.com>
14070
14071         * fileread.cc (File_read::find_view): Add byteshift and vshifted
14072         parameters.  Update for new key type to views_.  Change all
14073         callers.
14074         (File_read::read): Adjust for byteshift in returned view.
14075         (File_read::add_view): New function, broken out of
14076         find_and_make_view.
14077         (File_read::make_view): New function, broken out of
14078         find_and_make_view.
14079         (File_read::find_or_make_view): Add offset and aligned
14080         parameters.  Rewrite accordingly.  Change all callers.
14081         (File_read::get_view): Add offset and aligned parameters.  Adjust
14082         for byteshift in return value.
14083         (File_read::get_lasting_view): Likewise.
14084         * fileread.h (class File_read): Update declarations.
14085         (class File_read::View): Add byteshift_ field.  Add byteshift to
14086         constructor.  Add byteshift method.
14087         * archive.h (Archive::clear_uncached_views): New function.
14088         (Archive::get_view): Add aligned parameter.  Change all callers.
14089         * object.h (Object::get_view): Add aligned parameter.  Change all
14090         callers.
14091         (Object::get_lasting_view): Likewise.
14092
14093         * fileread.cc (File_read::release): Don't call clear_views if
14094         there are multiple objects.
14095         * fileread.h (File_read::clear_uncached_views): New function.
14096         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
14097         on the archive.
14098
14099 2008-03-31  Cary Coutant  <ccoutant@google.com>
14100
14101         Add thin archive support.
14102         * archive.cc (Archive::armagt): New const.
14103         (Archive::setup): Remove task parameter and calls to unlock.
14104         (Archive::unlock_nested_archives): New function.
14105         (Archive::read_header): Add nested_off parameter. Change
14106         all callers.
14107         (Archive::interpret_header): Likewise.
14108         (Archive::include_all_members): Change to handle thin
14109         archives.
14110         (Archive::include_member): Likewise.
14111         * archive.h (Archive::Archive): Add new parameters and
14112         initializers.
14113         (Archive::armagt): New const.
14114         (Archive::setup): Remove task parameter.
14115         (Archive::unlock_nested_archives): New function.
14116         (Archive::read_header): Add nested_off parameter.
14117         (Archive::interpret_header): Likewise.
14118         (Archive::Nested_archive_table): New typedef.
14119         (Archive::is_thin_archive_): New field.
14120         (Archive::nested_archives_): New field.
14121         (Archive::options_): New field.
14122         (Archive::dirpath_): New field.
14123         (Archive::task_): New field.
14124         * readsyms.cc (Read_symbols::do_read_symbols): Add check
14125         for thin archives.  Pass additional parameters to
14126         Archive::Archive.  Unlock the archive file after calling
14127         Archive::setup.
14128
14129 2008-03-29  Ian Lance Taylor  <iant@google.com>
14130
14131         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
14132         version symbol to be local.
14133         * testsuite/ver_test_4.sh: New file.
14134         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
14135         (check_DATA): Add ver_test_4.syms.
14136         (ver_test_4.syms): New target.
14137         * testsuite/Makefile.in: Rebuild.
14138
14139         * output.cc
14140         (Output_section::Input_section_sort_entry::has_priority): New
14141         function.
14142         (Output_section::Input_section_sort_entry::match_file_name): New
14143         function.
14144         (Output_section::Input_section_sort_entry::match_section_name):
14145         Remove.
14146         (Output_section::Input_section_sort_entry::match_section_name_prefix):
14147         Remove.
14148         (Output_section::Input_section_sort_entry::match_section_file):
14149         Remove.
14150         (Output_section::Input_section_sort_compare::operator()): Rewrite
14151         using new Input_section_sort_entry functions.  Sort crtbegin and
14152         crtend first.  Sort sections with no priority before sections with
14153         a priority.
14154         * testsuite/initpri1.c (d3): Check j != 4.
14155         (cd5): New constructor/destructor function.
14156         (main): Check j != 2.
14157
14158         * symtab.cc (Symbol_table::add_from_object): If we don't use the
14159         new symbol when resolving, don't call set_is_default.
14160         * testsuite/ver_test_7.cc: New file.
14161         * testsuite/ver_test_7.sh: New file.
14162         * testsuite/Makefile.am (ver_test_7.so): New target.
14163         (ver_test_7.o): New target.
14164         (check_SCRIPTS): Add ver_test_7.sh.
14165         (check_DATA): Add ver_test_7.syms.
14166         (ver_test_7.syms): New target.
14167
14168 2008-03-28  Ian Lance Taylor  <iant@google.com>
14169
14170         * layout.cc (Layout::layout): If we see an input section with a
14171         name that needs sorting, set the must_sort flag for the output
14172         section.
14173         (Layout::make_output_section): If the name of the output section
14174         indicates that it might require sorting, set the may_sort flag.
14175         * output.h (Output_section::may_sort_attached_input_sections): New
14176         function.
14177         (Output_section::set_may_sort_attached_input_sections): New
14178         function.
14179         (Output_section::must_sort_attached_input_sections): New
14180         function.
14181         (Output_section::set_must_sort_attached_input_sections): New
14182         function.
14183         (class Output_section): Declare Input_section_sort_entry.  Define
14184         Input_section_sort_compare.  Declare
14185         sort_attached_input_sections.  Add new fields:
14186         may_sort_attached_input_sections_,
14187         must_sort_attached_input_sections_,
14188         attached_input_sections_are_sorted_.
14189         * output.cc (Output_section::Output_section): Initialize new
14190         fields.
14191         (Output_section::add_input_section): Add an entry to
14192         input_sections_ if may_sort or must_sort are true.
14193         (Output_section::set_final_data_size): Call
14194         sort_attached_input_sections if necessary.
14195         (Output_section::Input_section_sort_entry): Define new class.
14196         (Output_section::Input_section_sort_compare::operator()): New
14197         function.
14198         (Output_section::sort_attached_input_sections): New function.
14199         * configure.ac: Check whether the compiler supports constructor
14200         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
14201         * testsuite/initpri1.c: New file.
14202         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
14203         CONSTRUCTOR_PRIORITY.
14204         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
14205         (initpri1_LDFLAGS): New variable.
14206         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
14207
14208 2008-03-27  Ian Lance Taylor  <iant@google.com>
14209
14210         * common.cc (Sort_commons::operator): Correct sorting algorithm.
14211         * testsuite/common_test_1.c: New file.
14212         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
14213         (common_test_1_SOURCES): New variable.
14214         (common_test_1_DEPENDENCIES): New variable.
14215         (common_test_1_LDFLAGS): New variable.
14216
14217         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
14218         and commons_ correctly when NAME/VERSION does not override
14219         NAME/NULL.
14220         * testsuite/ver_test_6.c: New file.
14221         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
14222         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
14223         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
14224
14225 2008-03-26  Ian Lance Taylor  <iant@google.com>
14226
14227         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
14228         of an undefined symbol from a version script.
14229         * testsuite/Makefile.am (ver_test_5.so): New target.
14230         (ver_test_5.o): New target.
14231         (check_SCRIPTS): Add ver_test_5.sh.
14232         (check_DATA): Add ver_test_5.syms.
14233         (ver_test_5.syms): New target.
14234         * testsuite/ver_test_5.cc: New file.
14235         * testsuite/ver_test_5.script: New file.
14236         * testsuite/ver_test_5.sh: New file.
14237         * Makefile.in, testsuite/Makefile.in: Rebuild.
14238
14239         PR gold/5986
14240         Fix problems building gold with gcc 4.3.0.
14241         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
14242         (gold_error_at_location, gold_warning_at_location): Use it.
14243         * configure.ac: Check whether we can compile and use a template
14244         function with a printf attribute.
14245         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
14246         when jumping over bytes.
14247         * object.cc: Instantiate Object::read_section_data.
14248         * debug.h: Include <cstring>
14249         * dwarf_reader.cc: Include <algorithm>
14250         * main.cc: Include <cstring>.
14251         * options.cc: Include <cstring>.
14252         * output.cc: Include <cstring>.
14253         * script.cc: Include <cstring>.
14254         * script.h: Include <string>.
14255         * symtab.cc: Include <cstring> and <algorithm>.
14256         * target-select.cc: Include <cstring>.
14257         * version.cc: Include <string>.
14258         * testsuite/testmain.cc: Include <cstdlib>.
14259         * configure, config.in: Rebuild.
14260
14261 2008-03-25  Ian Lance Taylor  <iant@google.com>
14262
14263         * options.cc: Include "../bfd/bfdver.h".
14264         (options::help): Print bug reporting address.
14265
14266         * version.cc (print_version): Adjust output for current value of
14267         BFD_VERSION_STRING.
14268
14269         * NEWS: New file.
14270
14271         * options.cc (options::help): Print list of supported targets.
14272         * target-select.h: Include <vector>.
14273         (class Target_selector): Make machine_, size_, and is_big_endian_
14274         fields const.  Add bfd_name_ and instantiated_target_ fields.
14275         (Target_selector::Target_selector): Add bfd_name parameter.
14276         (Target_selector::recognize): Make non-virtual, call
14277         do_recognize.
14278         (Target_selector::recognize_by_name): Make non-virtual, call
14279         do_recognize_by_name.
14280         (Target_selector::supported_names): New function.
14281         (Target_selector::bfd_name): New function.
14282         (Target_selector::do_instantiate_target): New pure virtual
14283         function.
14284         (Target_selector::do_recognize): New virtual function.
14285         (Target_selector::do_recognize_by_name): New virtual function.
14286         (Target_selector::instantiate_target): New private function.
14287         (supported_target_names): Declare.
14288         * target-select.cc (Target_selector::Target_selector): Update for
14289         new parameter and fields.
14290         (select_target_by_name): Check that the name matches before
14291         calling recognize_by_name.
14292         (supported_target_names): New function.
14293         * i386.cc (class Target_selector_i386): Update Target_selector
14294         constructor call.  Remove recognize and recognize_by_name.  Add
14295         do_instantiate_target.
14296         * x86_64.cc (class Target_selector_x86_64): Likewise.
14297         * testsuite/testfile.cc (class Target_selector_test): Update for
14298         changes to Target_selector.
14299
14300         * README: Rewrite, with some notes on unsupported features.
14301
14302 2008-03-24  Cary Coutant  <ccoutant@google.com>
14303
14304         * i386.cc (Target_i386::Got_type): New enum declaration.
14305         (Target_i386::Scan::local): Updated callers of Output_data_got
14306         member functions.
14307         (Target_i386::Scan::global): Likewise.
14308         (Target_i386::Relocate::relocate): Likewise.
14309         (Target_i386::Relocate::relocate_tls): Likewise.
14310         * object.h (Got_offset_list): New class.
14311         (Sized_relobj::local_has_got_offset): Added got_type parameter.
14312         (Sized_relobj::local_got_offset): Likewise.
14313         (Sized_relobj::set_local_got_offset): Likewise.
14314         (Sized_relobj::local_has_tls_got_offset): Removed.
14315         (Sized_relobj::local_tls_got_offset): Removed.
14316         (Sized_relobj::set_local_tls_got_offset): Removed.
14317         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
14318         * output.cc (Output_data_got::add_global): Added got_type parameter.
14319         (Output_data_got::add_global_with_rel): Likewise.
14320         (Output_data_got::add_global_with_rela): Likewise.
14321         (Output_data_got::add_global_pair_with_rel): New function.
14322         (Output_data_got::add_global_pair_with_rela): New function.
14323         (Output_data_got::add_local): Added got_type parameter.
14324         (Output_data_got::add_local_with_rel): Likewise.
14325         (Output_data_got::add_local_with_rela): Likewise.
14326         (Output_data_got::add_local_pair_with_rel): New function.
14327         (Output_data_got::add_local_pair_with_rela): New function.
14328         (Output_data_got::add_global_tls): Removed.
14329         (Output_data_got::add_global_tls_with_rel): Removed.
14330         (Output_data_got::add_global_tls_with_rela): Removed.
14331         (Output_data_got::add_local_tls): Removed.
14332         (Output_data_got::add_local_tls_with_rel): Removed.
14333         (Output_data_got::add_local_tls_with_rela): Removed.
14334         * output.h (Output_data_got::add_global): Added got_type parameter.
14335         (Output_data_got::add_global_with_rel): Likewise.
14336         (Output_data_got::add_global_with_rela): Likewise.
14337         (Output_data_got::add_global_pair_with_rel): New function.
14338         (Output_data_got::add_global_pair_with_rela): New function.
14339         (Output_data_got::add_local): Added got_type parameter.
14340         (Output_data_got::add_local_with_rel): Likewise.
14341         (Output_data_got::add_local_with_rela): Likewise.
14342         (Output_data_got::add_local_pair_with_rel): New function.
14343         (Output_data_got::add_local_pair_with_rela): New function.
14344         (Output_data_got::add_global_tls): Removed.
14345         (Output_data_got::add_global_tls_with_rel): Removed.
14346         (Output_data_got::add_global_tls_with_rela): Removed.
14347         (Output_data_got::add_local_tls): Removed.
14348         (Output_data_got::add_local_tls_with_rel): Removed.
14349         (Output_data_got::add_local_tls_with_rela): Removed.
14350         * resolve.cc (Symbol::override_base_with_special): Removed
14351         reference to has_got_offset_ field.
14352         * symtab.cc (Symbol::init_fields): Replaced initialization
14353         of got_offset_ with got_offsets_.  Removed initialization
14354         of has_got_offset_
14355         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
14356         (Symbol::got_offset): Likewise.
14357         (Symbol::set_got_offset): Likewise.
14358         (Symbol::has_tls_got_offset): Removed.
14359         (Symbol::tls_got_offset): Removed.
14360         (Symbol::set_tls_got_offset): Removed.
14361         (Symbol::got_offset_): Removed.
14362         (Symbol::tls_mod_got_offset_): Removed.
14363         (Symbol::tls_pair_got_offset_): Removed.
14364         (Symbol::got_offsets_): New field.
14365         (Symbol::has_got_offset): Removed.
14366         (Symbol::has_tls_mod_got_offset): Removed.
14367         (Symbol::has_tls_pair_got_offset): Removed.
14368         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
14369         (Target_x86_64::Scan::local): Updated callers of Output_data_got
14370         member functions.
14371         (Target_x86_64::Scan::global): Likewise.
14372         (Target_x86_64::Relocate::relocate): Likewise.
14373         (Target_x86_64::Relocate::relocate_tls): Likewise.
14374
14375 2008-03-25  Ben Elliston  <bje@au.ibm.com>
14376
14377         * yyscript.y: Fix spelling error in comment.
14378
14379 2008-03-24  Ian Lance Taylor  <iant@google.com>
14380
14381         * options.h (class General_options): Define build_id option.
14382         * layout.h (class Layout): Declare write_build_id, create_note,
14383         create_build_id.  Add build_id_note_ member.
14384         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
14385         "libiberty.h", "md5.h", "sha1.h".
14386         (Layout::Layout): Initialize eh_frame_data_,
14387         eh_frame_hdr_section_, and build_id_note_.
14388         (Layout::finalize): Call create_build_id.
14389         (Layout::create_note): New function, broken out of
14390         Layout::create_gold_note.
14391         (Layout::create_gold_note): Call create_note.
14392         (Layout::create_build_id): New function.
14393         (Layout::write_build_id): New function.
14394         (Close_task_runner::run): Call write_build_id.
14395
14396         * x86_64.cc: Correct license to GPLv3.
14397
14398 2008-03-23  Ian Lance Taylor  <iant@google.com>
14399
14400         * options.cc: Include "demangle.h".
14401         (parse_optional_string): New function.
14402         (parse_long_option): Handle takes_optional_argument.
14403         (parse_short_option): Update dash_z initializer.  Handle
14404         takes_optional_argument.
14405         (General_options::General_options): Initialize do_demangle_.
14406         (General_options::finalize): Set do_demangle_.  Handle demangling
14407         style.
14408         * options.h (parse_optional_string): Declare.
14409         (struct One_option): Add optional_arg field.  Update constructor.
14410         Update call constructor calls.  Add takes_optional_argument
14411         function.
14412         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
14413         (DEFINE_optional_string): Define.
14414         (General_options::demangle): Change from DEFINE_bool to
14415         DEFINE_optional_string.
14416         (General_options::no_demangle): New function.
14417         (General_options::do_demangle): New function.
14418         (General_options::set_do_demangle): New function.
14419         (General_options::execstack_status_): Move definition to end of
14420         class definition.
14421         (General_options::static_): Likewise.
14422         (General_options::do_demangle_): New field.
14423         * object.cc (big_endian>::get_symbol_location_info): Call
14424         Options::do_demangle, not Options::demangle.
14425         * symtab.cc (demangle): Likewise.
14426
14427 2008-03-22  Ian Lance Taylor  <iant@google.com>
14428
14429         * gold.h: Include <cstddef> and <sys/types.h>
14430         * options.h: Include <cstring>.
14431
14432 2008-03-21  Ian Lance Taylor  <iant@google.com>
14433
14434         * Added source code to GNU binutils.
14435 \f
14436 Copyright (C) 2008-2012 Free Software Foundation, Inc.
14437
14438 Copying and distribution of this file, with or without modification,
14439 are permitted in any medium without royalty provided the copyright
14440 notice and this notice are preserved.
14441
14442 Local Variables:
14443 mode: change-log
14444 left-margin: 8
14445 fill-column: 74
14446 version-control: never
14447 End: