gold/ChangeLog

   1 2011-10-31  Cary Coutant  <ccoutant@google.com>
   2
   3         * options.h (class General_options): Add --[no-]gnu-unique options.
   4         * symtab.cc (Symbol_table::sized_write_globals): Convert
   5         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
   6
   7 2011-10-31  Cary Coutant  <ccoutant@google.com>
   8
   9         PR gold/13359
  10         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
  11         unnecessary assertion.
  12         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
  13
  14 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
  15
  16         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
  17         gc_mark_symbol.
  18         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
  19         gc_mark_symbol.
  20         Change to just keep the section associated with symbol.
  21         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
  22         they are externally visible and --export-dynamic is turned on.
  23         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
  24
  25 2011-10-19  Ian Lance Taylor  <iant@google.com>
  26
  27         PR gold/13163
  28         * script-sections.cc
  29         (Output_section_element_dot_assignment::needs_output_section): New
  30         function.
  31
  32 2011-10-19  Ian Lance Taylor  <iant@google.com>
  33
  34         PR gold/13204
  35         * layout.cc (Layout::segment_precedes): Don't assert failure if a
  36         --section-start option was seen.
  37         * options.h (General_options::any_section_start): New function.
  38
  39 2011-10-18  David S. Miller  <davem@davemloft.net>
  40
  41         PR binutils/13301
  42         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
  43         member to track relocation locations that have moved during TLS
  44         reloc optimizations.
  45         (Target_sparc::Relocate::Relocate): Initialize to NULL.
  46         (Target_sparc::Relocate::relocate): Adjust view down by 4
  47         bytes if it matches reloc_adjust_addr_.
  48         (Target_sparc::Relocate::relocate_tls): Always move the
  49         __tls_get_addr call delay slot instruction forward 4 bytes when
  50         performing relaxation.
  51
  52 2011-10-18  Cary Coutant  <ccoutant@google.com>
  53
  54         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
  55         (Output_file::map_no_anonymous): Check for non-zero
  56         return code from posix_fallocate.
  57
  58 2011-10-17  Cary Coutant  <ccoutant@google.com>
  59
  60         PR gold/13245
  61         * plugin.cc (is_visible_from_outside): Check for symbols
  62         referenced from dynamic objects.
  63         * resolve.cc (Symbol_table::resolve): Don't count references
  64         from dynamic objects as references from real ELF files.
  65         * testsuite/plugin_test_2.sh: Adjust expected result.
  66
  67 2011-10-17  Cary Coutant  <ccoutant@google.com>
  68
  69         * gold.cc: Include timer.h.
  70         (queue_middle_tasks): Stamp time.
  71         (queue_final_tasks): Likewise.
  72         * main.cc (main): Store timer in parameters.  Print timers
  73         for each pass.
  74         * parameters.cc (Parameters::Parameters): Initialize timer_.
  75         (Parameters::set_timer): New function.
  76         (set_parameters_timer): New function.
  77         * parameters.h (Parameters::set_timer): New function.
  78         (Parameters::timer): New function.
  79         (Parameters::timer_): New data member.
  80         (set_parameters_timer): New function.
  81         * timer.cc (Timer::stamp): New function.
  82         (Timer::get_pass_time): New function.
  83         * timer.h (Timer::stamp): New function.
  84         (Timer::get_pass_time): New function.
  85         (Timer::pass_times_): New data member.
  86
  87 2011-10-17  Cary Coutant  <ccoutant@google.com>
  88
  89         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
  90         task for members of lib groups.
  91
  92 2011-10-17  Cary Coutant  <ccoutant@google.com>
  93
  94         PR gold/13288
  95         * fileread.cc (File_read::find_view): Add assert.
  96         (File_read::make_view): Move bounds check (replace with assert)...
  97         (File_read::find_or_make_view): ... to here.
  98
  99 2011-10-12  Cary Coutant  <ccoutant@google.com>
 100
 101         * output.cc (Output_file::open_base_file): Handle case where
 102         ::read returns less than requested size.
 103
 104 2011-10-10  Cary Coutant  <ccoutant@google.com>
 105
 106         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
 107         Initialize defined_count_.
 108         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
 109         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
 110         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
 111         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
 112         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
 113         * incremental.h (Sized_relobj_incr::defined_count_): New data
 114         member.
 115         (Sized_incr_dynobj::defined_count_): New data member.
 116         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
 117         Return zeroes instead of internal error.
 118
 119 2011-10-10  Cary Coutant  <ccoutant@google.com>
 120
 121         PR gold/13249
 122         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
 123         (Output_reloc::symbol_value): Return PLT offset if flag is set.
 124         * output.h (class Output_reloc): Add use_plt_offset flag.
 125         (Output_reloc::type_): Adjust size of bit field.
 126         (Output_reloc::use_plt_offset_): New bit field.
 127         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
 128         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
 129         flag.  Adjust all callers.
 130         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
 131         creating RELATIVE relocations.
 132
 133 2011-10-10  Nick Clifton  <nickc@redhat.com>
 134
 135         * po/es.po: Updated Spanish translation.
 136         * po/fi.po: Updated Finnish translation.
 137
 138 2011-10-03   Diego Novillo  <dnovillo@google.com>
 139
 140         * options.cc (parse_uint): Fix dereference of RETVAL.
 141
 142 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
 143
 144         * layout.h (section_order_map_): New member.
 145         (get_section_order_map): New member function.
 146         * output.cc (Output_section::add_input_section): Check for patterns
 147         only when --section-ordering-file is specified.
 148         * gold.cc (queue_middle_tasks): Delay updating order of sections till
 149         output_sections have been formed.
 150         * layout.cc (Layout_Layout): Initialize section_order_map_.
 151         * plugin.cc (update_section_order): Store order in order_map. Do not
 152         update the order.
 153         * testsuite/Makefile.am: Add test case for plugin_final_layout.
 154         * testsuite/Makefile.in: Regenerate.
 155         * testsuite/plugin_section_order.c: New file.
 156         * testsuite/plugin_final_layout.cc: New file.
 157         * testsuite/plugin_final_layout.sh: New file.
 158
 159 2011-09-29  Cary Coutant  <ccoutant@google.com>
 160
 161         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 162         Check for NULL.
 163         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
 164         symbols during incremental update.
 165         (Symbol_table::add_from_dynobj): Likewise.
 166
 167 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 168             Ian Lance Taylor  <iant@google.com>
 169
 170         * symtab.cc (Symbol_table::define_special_symbol): Always
 171         canonicalize version string.
 172
 173 2011-09-26  Cary Coutant  <ccoutant@google.com>
 174
 175         * gold.cc (queue_initial_tasks): Move option checks ...
 176         * options.cc (General_options::finalize): ... to here. Disable
 177         some options; make others fatal.
 178
 179 2011-09-26  Cary Coutant  <ccoutant@google.com>
 180
 181         gcc PR lto/47247
 182         * plugin.cc (get_symbols_v2): New function.
 183         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 184         (is_referenced_from_outside): New function.
 185         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 186         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 187         (get_symbols): Pass version parameter.
 188         (get_symbols_v2): New function.
 189         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 190         parameter.
 191         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 192         (onload): Add LDPT_GET_SYMBOLS_V2.
 193         (all_symbols_read_hook): Use get_symbols_v2; check for
 194         LDPR_PREVAILING_DEF_IRONLY_EXP.
 195         * testsuite/plugin_test_3.sh: Update expected results.
 196
 197 2011-09-23  Simon Baldwin  <simonb@google.com>
 198
 199         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 200         configuration options.
 201         * configure: Regenerate.
 202         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 203         * Makefile.in: Regenerate.
 204         * testsuite/Makefile.in: Regenerate.
 205
 206 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 207
 208         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 209
 210 2011-09-19  Cary Coutant  <ccoutant@google.com>
 211
 212         * incremental.cc (can_incremental_update): Fix typo in comment.
 213         * incremental.h (can_incremental_update): Likewise.
 214
 215 2011-09-18  Cary Coutant  <ccoutant@google.com>
 216
 217         * incremental.cc (can_incremental_update): New function.
 218         * incremental.h (can_incremental_update): New function.
 219         * layout.cc (Layout::init_fixed_output_section): Call it.
 220         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 221         * object.cc (Sized_relobj_file::do_layout): Call
 222         can_incremental_update.
 223
 224 2011-09-13  Cary Coutant  <ccoutant@google.com>
 225
 226         * configure.ac: Check for glibc support for gnu_indirect_function
 227         support with static linking, setting automake conditional
 228         IFUNC_STATIC.
 229         * Makefile.in: Regenerate.
 230         * configure: Regenerate.
 231
 232         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 233         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 234         for IFUNC_STATIC.
 235         * testsuite/Makefile.in: Regenerate.
 236
 237 2011-09-13  Cary Coutant  <ccoutant@google.com>
 238
 239         * incremental.cc (Sized_relobj_incr::do_layout): Call
 240         report_comdat_group for kept comdat sections.
 241         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 242         * testsuite/Makefile.in: Regenerate.
 243         * testsuite/incr_comdat_test_1.cc: New source file.
 244         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 245         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 246         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 247
 248 2011-09-13  Ian Lance Taylor  <iant@google.com>
 249
 250         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 251         variable external_symbols_offset.
 252
 253 2011-09-12  Ian Lance Taylor  <iant@google.com>
 254
 255         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 256         triggered if object has no symbols.
 257
 258 2011-09-09  David S. Miller  <davem@davemloft.net>
 259
 260         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 261         (Output_fill_debug_line::do_write): Likewise.
 262
 263 2011-08-29  Cary Coutant  <ccoutant@google.com>
 264
 265         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 266         casts to match formatting specs.
 267         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 268
 269 2011-08-26  Cary Coutant  <ccoutant@google.com>
 270
 271         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 272         remaining hole size when allocating.
 273         (Layout::make_output_section): Set fill methods for debug sections.
 274         * layout.h (Free_list::Free_list_node): Move from private to
 275         public.
 276         (Free_list::set_min_hole_size): New function.
 277         (Free_list::begin, Free_list::end): New functions.
 278         (Free_list::min_hole_): New data member.
 279         * output.cc: Include dwarf.h.
 280         (Output_fill_debug_info::do_minimum_hole_size): New function.
 281         (Output_fill_debug_info::do_write): New function.
 282         (Output_fill_debug_line::do_minimum_hole_size): New function.
 283         (Output_fill_debug_line::do_write): New function.
 284         (Output_section::Output_section): Initialize new data member.
 285         (Output_section::set_final_data_size): Ensure patch space is larger
 286         than minimum hole size.
 287         (Output_section::do_write): Fill holes in debug sections.
 288         * output.h (Output_fill): New class.
 289         (Output_fill_debug_info): New class.
 290         (Output_fill_debug_line): New class.
 291         (Output_section::set_free_space_fill): New function.
 292         (Output_section::free_space_fill_): New data member.
 293         * testsuite/Makefile.am (incremental_test_3): Add
 294         --incremental-patch option.
 295         (incremental_test_4): Likewise.
 296         (incremental_test_5): Likewise.
 297         (incremental_test_6): Likewise.
 298         (incremental_copy_test): Likewise.
 299         (incremental_common_test_1): Likewise.
 300         * testsuite/Makefile.in: Regenerate.
 301
 302 2011-08-26  Nick Clifton  <nickc@redhat.com>
 303
 304         * po/es.po: Updated Spanish translation.
 305
 306 2011-08-01  Cary Coutant  <ccoutant@google.com>
 307
 308         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 309         * gold/testsuite/Makefile.in: Regenerate.
 310         * gold/testsuite/justsyms_exec.c: New source file.
 311         * gold/testsuite/justsyms_lib.c: New source file.
 312
 313 2011-08-01  Cary Coutant  <ccoutant@google.com>
 314
 315         * layout.cc (Layout::set_segment_offsets): Don't realign text
 316         segment if -Ttext was specified.
 317         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 318         file type.
 319         * object.h (Sized_relobj_file::e_type): New function.
 320         (Sized_relobj_file::e_type_): New data member.
 321         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 322         base address for ET_EXEC files.
 323         * target.cc (Target::do_make_elf_object_implementation): Allow
 324         ET_EXEC files with --just-symbols option.
 325
 326 2011-07-28  Cary Coutant  <ccoutant@google.com>
 327
 328         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 329         Add thread_number parameter.
 330         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 331         * workqueue-threads.cc
 332         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 333         current thread if its thread number is greater than desired thread
 334         count.
 335         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 336         Add thread_number parameter.
 337         (Workqueue::should_cancel_thread): Likewise.
 338         (Workqueue::find_runnable_or_wait): Pass thread_number to
 339         should_cancel_thread.
 340         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 341         parameter.
 342
 343 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 344
 345         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 346         only after checking if it cannot be forced local.
 347         * symtab.h (is_externally_visible): Check if the symbol is not forced
 348         local.
 349
 350 2011-07-15  Ian Lance Taylor  <iant@google.com>
 351
 352         * options.h (class General_options): Add --print-output-format.
 353         Move -EL next to -EB, for  better --help output.
 354         * target-select.cc: Include <cstdio>, "options.h", and
 355         "parameters.h".
 356         (Target_selector::do_target_bfd_name): New function.
 357         (print_output_format): New function.
 358         * target-select.h (class Target_selector): Update declarations.
 359         (Target_selector::target_bfd_name): New function.
 360         (print_output_format): Declare.
 361         * main.cc: Include "target-select.h".
 362         (main): Handle --print-output-format.
 363         * gold.cc: Include "target-select.h".
 364         (queue_initial_tasks): Handle --print-output-format when there are
 365         no input files.
 366         * parameters.cc (parameters_force_valid_target): Give a better
 367         error message if -EB/-EL does not match target.
 368         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 369         function.
 370
 371 2011-07-15  Ian Lance Taylor  <iant@google.com>
 372
 373         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 374         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 375         (Output_data_plt_i386::do_write): Write address of .dynamic
 376         section to first entry in .got.plt section.
 377         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 378         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 379         Initialize layout_.
 380         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 381         section to first entry in .got.plt section.
 382         * layout.h (Layout::dynamic_section): New function.
 383
 384 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 385
 386         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 387         to claim_file call.
 388         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 389         input_section_position_, and input_section_glob_.
 390         (read_layout_from_file): Call function section_ordering_specified.
 391         * layout.h (is_section_ordering_specified): New function.
 392         (section_ordering_specified): New function.
 393         (section_ordering_specified_): New boolean member.
 394         * main.cc(main): Call load_plugins after layout object is defined.
 395         * output.cc (Output_section::add_input_section): Use
 396         function section_ordering_specified to check if section ordering is
 397         needed.
 398         * output.cc (Output_section::add_relaxed_input_section): Use
 399         function section_ordering_specified to check if section ordering is
 400         needed.
 401         (Output_section::update_section_layout): New function.
 402         (Output_section::sort_attached_input_sections): Check if input section
 403         must be reordered.
 404         * output.h (Output_section::update_section_layout): New function.
 405         * plugin.cc (get_section_count): New function.
 406         (get_section_type): New function.
 407         (get_section_name): New function.
 408         (get_section_contents): New function.
 409         (update_section_order): New function.
 410         (allow_section_ordering): New function.
 411         (Plugin::load): Add the new interfaces to the transfer vector.
 412         (Plugin_manager::load_plugins): New parameter.
 413         (Plugin_manager::all_symbols_read): New parameter.
 414         (Plugin_manager::claim_file): New parameter. Save the elf object for
 415         unclaimed objects.
 416         (Plugin_manager::get_elf_object): New function.
 417         (Plugin_manager::get_view): Change to directly use the bool to check
 418         if get_view is called from claim_file_hook.
 419         * plugin.h (input_objects): New function
 420         (Plugin__manager::load_plugins): New parameter.
 421         (Plugin_manager::claim_file): New parameter.
 422         (Plugin_manager::get_elf_object): New function.
 423         (Plugin_manager::in_claim_file_handler): New function.
 424         (Plugin_manager::in_claim_file_handler_): New member.
 425         (layout): New function.
 426         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 427         handler with an extra parameter. Make the elf object before calling
 428         claim_file handler.
 429         * testsuite/plugin_test.c (get_section_count): New function pointer.
 430         (get_section_type): New function pointer.
 431         (get_section_name): New function pointer.
 432         (get_section_contents): New function pointer.
 433         (update_section_order): New function pointer.
 434         (allow_section_ordering): New function pointer.
 435         (onload): Check if the new interfaces exist.
 436
 437 2011-07-13  Ian Lance Taylor  <iant@google.com>
 438
 439         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 440         relro section.
 441         * x86_64.cc (Target_x86_64::got_section): Likewise.
 442         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 443         (relro_now_test_SOURCES): New variable.
 444         (relro_now_test_DEPENDENCIES): New variable.
 445         (relro_now_test_LDFLAGS): New variable.
 446         (relro_now_test_LDADD): New variable.
 447         (relro_now_test.so): New target.
 448         * testsuite/Makefile.in: Rebuild.
 449
 450 2011-07-12  Ian Lance Taylor  <iant@google.com>
 451
 452         PR gold/12980
 453         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 454         GLOB_DAT relocation rather than a RELATIVE relocation for a
 455         protected symbol when creating a shared library.
 456         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 457         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 458         * testsuite/protected_main_1.cc (main): Test that protected
 459         function has same address.
 460
 461 2011-07-11  Ian Lance Taylor  <iant@google.com>
 462
 463         PR gold/12979
 464         * options.h (class General_options): Add -Bgroup.
 465         * options.cc (General_options::finalize): If -Bgroup is set,
 466         default to --unresolved-symbols=report-all.
 467         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 468         * target-reloc.h (issue_undefined_symbol_error): Handle
 469         --unresolved-symbols=report-all.
 470
 471 2011-07-08  Ian Lance Taylor  <iant@google.com>
 472
 473         PR gold/11985
 474         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 475         if linker script discards key sections.
 476         (Layout::create_dynamic_symtab): Likewise.
 477         (Layout::assign_local_dynsym_offsets): Likewise.
 478         (Layout::sized_create_version_sections): Likewise.
 479         (Layout::create_interp): Likewise.
 480         (Layout::finish_dynamic_section): Likewise.
 481         (Layout::set_dynamic_symbol_size): Likewise.
 482
 483 2011-07-08  Ian Lance Taylor  <iant@google.com>
 484
 485         PR gold/12386
 486         * options.h (class General_options): Add --unresolved-symbols.
 487         * target-reloc.h (issue_undefined_symbol_error): Check
 488         --unresolved-symbols.  Add comments.
 489
 490 2011-07-08  Ian Lance Taylor  <iant@google.com>
 491
 492         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 493         expression more complex.
 494
 495 2011-07-08  Ian Lance Taylor  <iant@google.com>
 496
 497         PR gold/11317
 498         * target-reloc.h (issue_undefined_symbol_error): New inline
 499         function, broken out of relocate_section.
 500         (relocate_section): Call issue_undefined_symbol_error.
 501         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 502         there is no TLS segment if we are about to issue an undefined
 503         symbol error.
 504         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 505
 506 2011-07-08  Ian Lance Taylor  <iant@google.com>
 507
 508         PR gold/12279
 509         * resolve.cc (Symbol_table::should_override): Add fromtype
 510         parameter.  Change all callers.  Give error when linking together
 511         TLS and non-TLS symbol.
 512         (Symbol_table::should_override_with_special): Add fromtype
 513         parameter.  Change all callers.
 514         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 515         there is no TLS segment if we have reported some errors.
 516         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 517
 518 2011-07-08  Ian Lance Taylor  <iant@google.com>
 519
 520         PR gold/12372
 521         * target.h (Target::plt_address_for_global): New function.
 522         (Target::plt_address_for_local): New function.
 523         (Target::plt_section_for_global): Remove.
 524         (Target::plt_section_for_local): Remove.
 525         (Target::do_plt_address_for_global): New virtual function.
 526         (Target::do_plt_address_for_local): New virtual function.
 527         (Target::do_plt_section_for_global): Remove.
 528         (Target::do_plt_section_for_local): Remove.
 529         (Target::register_global_plt_entry): Add Symbol_table and Layout
 530         parameters.
 531         * output.cc (Output_data_got::Got_entry::write): Use
 532         plt_address_for_global and plt_address_for_local.
 533         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 534         address of output section.
 535         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 536         got_irelative_, and irelative_count_ fields.  Update
 537         declarations.
 538         (Output_data_plt_i386::has_irelative_section): New function.
 539         (Output_data_plt_i386::entry_count): Add irelative_count_.
 540         (Output_data_plt_i386::set_final_data_size): Likewise.
 541         (class Target_i386): Add got_irelative_ and rel_irelative_
 542         fields.  Update declarations.
 543         (Target_i386::Target_i386): Initialize new fields.
 544         (Target_i386::do_plt_address_for_global): New function replacing
 545         do_plt_section_for_global.
 546         (Target_i386::do_plt_address_for_local): New function replacing
 547         do_plt_section_for_local.
 548         (Target_i386::got_section): Create got_irelative_.
 549         (Target_i386::rel_irelative_section): New function.
 550         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 551         fields.  Don't define __rel_iplt_{start,end}.
 552         (Output_data_plt_i386::add_entry): Add symtab and layout
 553         parameters.  Change all callers.  Use different PLT and GOT for
 554         IFUNC symbols.
 555         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 556         layout parameters.  Change all callers.  Use different PLT and
 557         GOT.
 558         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 559         (Output_data_plt_i386::rel_irelative): New function.
 560         (Output_data_plt_i386::address_for_global): New function.
 561         (Output_data_plt_i386::address_for_local): New function.
 562         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 563         IRELATIVE GOT when changing IFUNC GOT entries.
 564         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 565         reloc.
 566         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 567         if we didn't create an IRELATIVE GOT.
 568         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 569         plt_address_for_local.
 570         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 571         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 572         got_irelative_, and irelative_count_ fields.  Update
 573         declarations.
 574         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 575         Initialize new fields.  Remove symtab parameter.  Change all
 576         callers.
 577         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 578         irelative_count_.
 579         (Output_data_plt_x86_64::has_irelative_section): New function.
 580         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 581         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 582         fields.  Update declarations.
 583         (Target_x86_64::Target_x86_64): Initialize new fields.
 584         (Target_x86_64::do_plt_address_for_global): New function replacing
 585         do_plt_section_for_global.
 586         (Target_x86_64::do_plt_address_for_local): New function replacing
 587         do_plt_section_for_local.
 588         (Target_x86_64::got_section): Create got_irelative_.
 589         (Target_x86_64::rela_irelative_section): New function.
 590         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 591         all callers.  Don't create __rel_iplt_{start,end}.
 592         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 593         parameters.  Change all callers.  Use different PLT and GOT for
 594         IFUNC symbols.
 595         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 596         layout parameters.  Change all callers.  Use different PLT and
 597         GOT.
 598         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 599         parameters.  Change all callers.  Use different PLT and GOT for
 600         IFUNC symbols.
 601         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 602         (Output_data_plt_x86_64::rela_irelative): New function.
 603         (Output_data_plt_x86_64::address_for_global): New function.
 604         (Output_data_plt_x86_64::address_for_local): New function.
 605         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 606         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 607         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 608         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 609         parameters.
 610         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 611         reloc.
 612         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 613         symbols if we didn't create an IRELATIVE GOT.
 614         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 615         plt_address_for_local.
 616         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 617         * testsuite/ifuncvar1.c: New test file.
 618         * testsuite/ifuncvar2.c: New test file.
 619         * testsuite/ifuncvar3.c: New test file.
 620         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 621         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 622         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 623         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 624         * testsuite/Makefile.in: Rebuild.
 625
 626 2011-07-07  Cary Coutant  <ccoutant@google.com>
 627
 628         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 629         (two_file_test_1_ndebug.o): Likewise.
 630         (two_file_test_1b_ndebug.o): Likewise.
 631         (two_file_test_2_ndebug.o): Likewise.
 632         (two_file_test_main_ndebug.o): Likewise.
 633         (incremental_test_2): Link with no-debug versions.
 634
 635 2011-07-06  Cary Coutant  <ccoutant@google.com>
 636
 637         * gold/incremental.cc
 638         (Output_section_incremental_inputs::write_info_blocks): Check for
 639         hidden and internal symbols.
 640
 641 2011-07-06  Cary Coutant  <ccoutant@google.com>
 642
 643         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 644         Check disposition for startup file.
 645         (Incremental_inputs::report_command_line): Ignore
 646         --incremental-startup-unchanged option.
 647         * options.cc (General_options::parse_incremental_startup_unchanged):
 648         New function.
 649         (General_options::General_options): Initialize new data member.
 650         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 651         (General_options): Add --incremental-startup-unchanged option.
 652         (General_options::incremental_startup_disposition): New function.
 653         (General_options::incremental_startup_disposition_): New data member.
 654
 655 2011-07-06  Cary Coutant  <ccoutant@google.com>
 656
 657         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 658         input file index to Script_info ctor.
 659         (Sized_incremental_binary::do_file_has_changed): Find the
 660         command-line argument for files named in scripts.
 661         * incremental.h (Script_info::Script_info): New ctor
 662         with input file index.
 663         (Script_info::input_file_index): New function.
 664         (Script_info::input_file_index_): New data member.
 665         (Incremental_binary::get_library): Add const.
 666         (Incremental_binary::get_script_info): Add const.
 667         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 668         * testsuite/Makefile.am (incremental_test_5): New test case.
 669         (incremental_test_6): New test case.
 670         * testsuite/Makefile.in: Regenerate.
 671
 672 2011-07-06  Cary Coutant  <ccoutant@google.com>
 673
 674         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 675         debug output when command lines differ.
 676
 677 2011-07-06  Cary Coutant  <ccoutant@google.com>
 678
 679         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 680         --incremental-patch option.
 681         * layout.cc (Free_list::allocate): Extend allocation beyond original
 682         end if enabled.
 683         (Layout::make_output_section): Mark sections that should get
 684         patch space.
 685         * options.cc (parse_percent): New function.
 686         * options.h (parse_percent): New function.
 687         (DEFINE_percent): New macro.
 688         (General_options): Add --incremental-patch option.
 689         * output.cc (Output_section::Output_section): Initialize new data
 690         members.
 691         (Output_section::add_input_section): Print section name when out
 692         of patch space.
 693         (Output_section::add_output_section_data): Likewise.
 694         (Output_section::set_final_data_size): Add patch space when
 695         doing --incremental-full.
 696         (Output_section::do_reset_address_and_file_offset): Remove patch
 697         space.
 698         (Output_segment::set_section_list_addresses): Print debug output
 699         only if --incremental-update.
 700         * output.h (Output_section::set_is_patch_space_allowed): New function.
 701         (Output_section::is_patch_space_allowed_): New data member.
 702         (Output_section::patch_space_): New data member.
 703         * parameters.cc (Parameters::incremental_full): New function.
 704         * parameters.h (Parameters::incremental_full): New function
 705         * testsuite/Makefile.am (incremental_test_2): Add test for
 706         --incremental-patch option.
 707         * testsuite/Makefile.in: Regenerate.
 708         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 709         (t18): Remove function body.
 710
 711 2011-07-05  Doug Kwan  <dougkwan@google.com>
 712
 713         PR gold/12771
 714         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 715         Arm_Address type for relocation result.
 716         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 717         overflow check.
 718         (Arm_relocate_functions::abs32): Use unaligned access.
 719         (Arm_relocate_functions::rel32): Ditto.
 720         (Arm_relocate_functions::prel31): Ditto.
 721         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 722         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 723         static data relocations.
 724         * testsuite/Makefile.in: Regnerate.
 725         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 726
 727 2011-07-05  Ian Lance Taylor  <iant@google.com>
 728
 729         PR gold/12392
 730         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 731         symbols if necessary.
 732         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 733
 734 2011-07-05  Ian Lance Taylor  <iant@google.com>
 735
 736         PR gold/12952
 737         * resolve.cc (Symbol::override_base_with_special): Simply override
 738         version with special symbol version, ignoring previous version.
 739
 740 2011-07-05  Ian Lance Taylor  <iant@google.com>
 741
 742         * object.cc (Sized_relobj_file::include_section_group): Add
 743         information to comment about signature location.
 744
 745 2011-07-02  Ian Lance Taylor  <iant@google.com>
 746
 747         PR gold/12957
 748         * options.h (class General_options): Add -f and -F.
 749         * options.cc (General_options::finalize): Fatal error if -f/-F
 750         are used without -shared.
 751         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
 752
 753 2011-07-02  Ian Lance Taylor  <iant@google.com>
 754
 755         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
 756
 757 2011-07-01  Ian Lance Taylor  <iant@google.com>
 758
 759         PR gold/12525
 760         PR gold/12952
 761         * resolve.cc (Symbol::override_base_with_special): Don't override
 762         the version if the overriding symbol has a different name.
 763         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
 764         all callers.  If we give an error about an undefined version,
 765         define the base version if necessary.
 766         * dynobj.h (class Versions): Update declaration.
 767         * testsuite/weak_alias_test_5.cc: New file.
 768         * testsuite/weak_alias_test.script: New file.
 769         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
 770         and versioned_alias have the right value, and call t2.
 771         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
 772         weak_alias_test_5.so.
 773         (weak_alias_test_LDADD): Likewise.
 774         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
 775         * testsuite/Makefile.in: Rebuild.
 776
 777 2011-07-01  Ian Lance Taylor  <iant@google.com>
 778
 779         PR gold/12525
 780         * options.h (class General_options): Support -z notext.
 781         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
 782         -Wl,-z,notext.
 783         (two_file_shared_nonpic.so): Likewise.
 784         (two_file_shared_mixed.so): Likewise.
 785         (two_file_shared_mixed_1.so): Likewise.
 786         (weak_undef_lib_nonpic.so): Likewise.
 787         (alt/weak_undef_lib_nonpic.so): Likewise.
 788         (tls_test_shared_nonpic.so): Likewise.
 789         * testsuite/Makefile.in: Rebuild.
 790
 791 2011-07-01  Ian Lance Taylor  <iant@google.com>
 792
 793         PR gold/12525
 794         * configure.ac: Test whether static linking works, setting
 795         the automake conditional HAVE_STATIC.
 796         * testsuite/Makefile.am: Disable tests using -static if
 797         HAVE_STATIC is not true.
 798         * configure, testsuite/Makefile.in: Rebuild.
 799
 800 2011-07-01  Ian Lance Taylor  <iant@google.com>
 801
 802         PR gold/12525
 803         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
 804         Assert if we see DW_EH_PE_indirect.
 805         * target.h (Target::ehframe_datarel_base): New function.
 806         (Target::do_ehframe_datarel_base): New target function.
 807         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
 808         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
 809         function.
 810
 811 2011-07-01  Ian Lance Taylor  <iant@google.com>
 812
 813         PR gold/12571
 814         * options.h (class General_options): Add
 815         --ld-generated-unwind-info.
 816         * ehframe.cc (Fde::write): Add address parameter.  Change all
 817         callers.  If associated with PLT, fill in address and size.
 818         (Cie::set_output_offset): Only add merge mapping if there is an
 819         object.
 820         (Cie::write): Add address parameter.  Change all callers.
 821         (Eh_frame::add_ehframe_for_plt): New function.
 822         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
 823         input_offset_ fields into union u_, with new plt field.
 824         (Fde::Fde): Adjust for new union field.
 825         (Fde::Fde) [Output_data version]: New constructor.
 826         (Fde::add_mapping): Only add merge mapping if there is an object.
 827         (class Cie): Update declarations.
 828         (class Eh_frame): Declare add_ehframe_for_plt.
 829         * layout.cc (Layout::layout_eh_frame): Break out code into
 830         make_eh_frame_section, and call it.
 831         (Layout::make_eh_frame_section): New function.
 832         (Layout::add_eh_frame_for_plt): New function.
 833         * layout.h (class Layout): Update declarations.
 834         * merge.cc (Merge_map::add_mapping): Add assertion.
 835         * i386.cc: Include "dwarf.h".
 836         (class Output_data_plt_i386): Make first_plt_entry,
 837         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
 838         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 839         and plt_eh_frame_fde.
 840         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
 841         boundary.  Call add_eh_frame_for_plt if appropriate.
 842         * x86_64.cc: Include "dwarf.h".
 843         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
 844         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
 845         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 846         and plt_eh_frame_fde.
 847         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
 848         appropriate.
 849
 850 2011-06-29  Ian Lance Taylor  <iant@google.com>
 851
 852         PR gold/12629
 853         * object.cc (Sized_relobj_file::layout_section): Change shdr
 854         parameter to be const.
 855         (Sized_relobj_file::layout_eh_frame_section): New function, broken
 856         out of do_layout.
 857         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
 858         appropriate.  Call layout_eh_frame_section.
 859         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
 860         sections.
 861         * object.h (class Sized_relobj_file): Update declarations.
 862
 863 2011-06-29  Ian Lance Taylor  <iant@google.com>
 864
 865         PR gold/12652
 866         * script.cc (Token::integer_value): Accept trailing M/m/K/k
 867         modifier.
 868         (Lex::gather_token): Accept trailing M/m/K/k for integers.
 869
 870 2011-06-29  Ian Lance Taylor  <iant@google.com>
 871
 872         PR gold/12675
 873         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
 874         SHT_X86_64_UNWIND.
 875         * layout.cc (Layout::layout_eh_frame): Likewise.
 876
 877 2011-06-29  Ian Lance Taylor  <iant@google.com>
 878
 879         PR gold/12695
 880         * layout.cc (Layout::symtab_section_shndx): New function.
 881         * layout.h (class Layout): Declare symtab_section_shndx.
 882         * output.cc (Output_section::write_header): Call it.
 883
 884 2011-06-29  Ian Lance Taylor  <iant@google.com>
 885
 886         PR gold/12818
 887         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
 888         symbols which are not used in a relocation.
 889
 890 2011-06-28  Ian Lance Taylor  <iant@google.com>
 891
 892         PR gold/12898
 893         * layout.cc (Layout::segment_precedes): Don't crash if a linker
 894         script create indistinguishable segments.
 895         (Layout::set_segment_offsets): Use stable_sort when sorting
 896         segments.  Pass this to Compare_segments constructor.
 897         * layout.h (class Layout): Make segment_precedes non-static.
 898         (class Compare_segments): Change from struct to class.  Add
 899         layout_ field.  Add constructor.
 900         * script-sections.cc
 901         (Script_sections::attach_sections_using_phdrs_clause): Rename
 902         local orphan to is_orphan.  Don't report failure to put empty
 903         section in segment.  On attachment failure, report name of
 904         section, and attach to first PT_LOAD segment.
 905
 906 2011-06-28  Ian Lance Taylor  <iant@google.com>
 907
 908         PR gold/12934
 909         * target-select.cc (Target_selector::Target_selector): Add
 910         emulation parameter.  Change all callers.
 911         (select_target_by_bfd_name): Rename from select_target_by_name.
 912         Change all callers.
 913         (select_target_by_emulation): New function.
 914         (supported_emulation_names): New function.
 915         * target-select.h (class Target_selector): Add emulation_ field.
 916         Update declarations.
 917         (Target_selector::recognize_by_bfd_name): Rename from
 918         recognize_by_name.  Change all callers.
 919         (Target_selector::supported_bfd_names): Rename from
 920         supported_names.  Change all callers.
 921         (Target_selector::recognize_by_emulation): New function.
 922         (Target_selector::supported_emulations): New function.
 923         (Target_selector::emulation): New function.
 924         (Target_selector::do_recognize_by_bfd_name): Rename from
 925         do_recognize_by_name.  Change all callers.
 926         (Target_selector::do_supported_bfd_names): Rename from
 927         do_supported_names.  Change all callers.
 928         (Target_selector::do_recognize_by_emulation): New function.
 929         (Target_selector::do_supported_emulations): New function.
 930         (select_target_by_bfd_name): Change name in declaration.
 931         (select_target_by_emulation): Declare.
 932         (supported_emulation_names): Declare.
 933         * parameters.cc (parameters_force_valid_target): Try to find
 934         target based on emulation from -m option.
 935         * options.h (class General_options): Change doc string for -m.
 936         * options.cc (help): Print emulations.
 937         (General_options::parse_V): Likewise.
 938         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
 939         Add emulation parameter.  Change all callers.
 940
 941 2011-06-28  Ian Lance Taylor  <iant@google.com>
 942
 943         * target.h (class Target): Add osabi_ field.
 944         (Target::osabi): New function.
 945         (Target::set_osabi): New function.
 946         (Target::Target): Initialize osabi_.
 947         (Target::do_adjust_elf_header): Make pure virtual.
 948         (Sized_target::do_adjust_elf_header): Declare.
 949         * target.cc (Sized_target::do_adjust_elf_header): New function.
 950         (class Sized_target): Instantiate all versions.
 951         * freebsd.h (class Target_freebsd): Remove.
 952         (Target_selector_freebsd::do_recognize): Call set_osabi on
 953         Target.
 954         (Target_selector_freebsd::do_recognize_by_name): Likewise.
 955         (Target_selector_freebsd::set_osabi): Remove.
 956         * i386.cc (class Target_i386): Inherit from Sized_target rather
 957         than Target_freebsd.
 958         * x86_64.cc (class Target_x86_64): Likewise.
 959
 960 2011-06-28  Ian Lance Taylor  <iant@google.com>
 961
 962         * target.h (Target::can_check_for_function_pointers): Rewrite.
 963         Make non-virtual.
 964         (Target::can_icf_inline_merge_sections): Likewise.
 965         (Target::section_may_have_icf_unsafe_poineters): Likewise.
 966         (Target::Target_info): Add can_icf_inline_merge_sections field.
 967         (Target::do_can_check_for_function_pointers): New virtual
 968         function.
 969         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
 970         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
 971         from can_check_for_function_pointers, move in file.
 972         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
 973         section_may_have_icf_unsafe_poineters, move in file.
 974         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
 975         * i386.cc (Target_i386::do_can_check_for_function_pointers):
 976         Rename from can_check_for_function_pointers, move in file.
 977         (Target_i386::can_icf_inline_merge_sections): Remove.
 978         (Target_i386::i386_info): Initialize
 979         can_icf_inline_merge_sections.
 980         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
 981         Initialize can_icf_inline_merge_sections.
 982         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
 983         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
 984         Rename from can_check_for_function_pointers, move in file.
 985         (Target_x86_64::can_icf_inline_merge_sections): Remove.
 986         (Target_x86_64::x86_64_info): Initialize
 987         can_icf_inline_merge_sections.
 988         * testsuite/testfile.cc (Target_test::test_target_info):
 989         Likewise.
 990         * icf.cc (get_section_contents): Correct formatting.
 991
 992 2011-06-27  Ian Lance Taylor  <iant@google.com>
 993
 994         * symtab.cc (Symbol::versioned_name): New function.
 995         (Symbol_table::add_to_final_symtab): Use versioned_name when
 996         appropriate.
 997         (Symbol_table::sized_write_symbol): Likewise.
 998         * symtab.h (class Symbol): Declare versioned_name.
 999         * stringpool.h (class Stringpool_template): Add variant of add
1000         which takes a std::basic_string.
1001         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1002         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1003         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1004         (ver_test_12.o): New target.
1005         * testsuite/Makefile.in: Rebuild.
1006
1007 2011-06-27  Doug Kwan  <dougkwan@google.com>
1008
1009         * arm.cc (Arm_relocate_functions::thm_jump8,
1010         Arm_relocate_functions::thm_jump11): Use a wider signed
1011         type to compute offset.
1012         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1013         arm_thm_jump8.
1014         * testsuite/Makefile.in: Regenerate.
1015         * testsuite/arm_branch_in_range.sh: Check test results of
1016         arm_thm_jump11 and arm_thm_jump8.
1017         * testsuite/arm_thm_jump11.s: New test source file.
1018         * testsuite/arm_thm_jump11.t: New linker script.
1019         * testsuite/arm_thm_jump8.s: New test source file.
1020         * testsuite/arm_thm_jump8.t: New linker script.
1021
1022 2011-06-24  Ian Lance Taylor  <iant@google.com>
1023
1024         * layout.cc: Include "object.h".
1025         (ctors_sections_in_init_array): New static variable.
1026         (Layout::is_ctors_in_init_array): New function.
1027         (Layout::layout): Add entry to ctors_sections_in_init_array if
1028         appropriate.
1029         * layout.h (class Layout): Declare is_ctors_in_init_array.
1030         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1031         is_ctors_reverse_view is set.
1032         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1033         all callers.  Set is_ctors_reverse_view field of View_size.
1034         (Sized_relobj_file::reverse_words): New function.
1035         * object.h (Sized_relobj_file::View_size): Add
1036         is_ctors_reverse_view field.
1037         (class Sized_relobj_file): Update declarations.
1038         * testsuite/initpri3.c: New test.
1039         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1040         initpri3b.
1041         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1042         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1043         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1044         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1045         * testsuite/Makefile.in: Rebuild.
1046
1047 2011-06-24  Cary Coutant  <ccoutant@google.com>
1048
1049         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1050         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1051         (debug_msg_cdebug.err): New targets.
1052         * testsuite/Makefile.in: Regenerate.
1053         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1054         Fix checks for link with shared library.
1055
1056 2011-06-24  Doug Kwan  <dougkwan@google.com>
1057
1058         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1059         skip empty text sections.
1060         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1061
1062 2011-06-22  Ian Lance Taylor  <iant@google.com>
1063
1064         PR gold/12910
1065         * options.h (class General_options): Add --ctors-in-init-array.
1066         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1067         friends as SHT_PROGBITS for merging sections.
1068         (Layout::layout): Remove special handling of .init_array and
1069         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1070         and .dtors if ctors_in_init_array.
1071         (Layout::make_output_section): Force correct section types for
1072         .init_array and friends.  Don't sort if doing relocatable link,
1073         Don't sort .ctors and .dtors if ctors_in_init_array.
1074         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1075         (Layout::output_section_name): Add relobj parameter.  Change all
1076         callers.  Handle .ctors. and .dtors. in code rather than table.
1077         Handle .ctors and .dtors if ctors_in_init_array.
1078         (Layout::match_file_name): New function, moved from output.cc.
1079         * layout.h (class Layout): Update declarations.
1080         * output.cc: Include "layout.h".
1081         (Input_section_sort_entry::get_priority): New function.
1082         (Input_section_sort_entry::match_file_name): Just call
1083         Layout::match_file_name.
1084         (Output_section::Input_section_sort_init_fini_compare::operator()):
1085         Handle .ctors and .dtors.  Sort by explicit priority rather than
1086         by name.
1087         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1088         * testsuite/initpri2.c: New test.
1089         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1090         (check_PROGRAMS): Add initpri2.
1091         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1092         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1093         * configure, testsuite/Makefile.in: Rebuild.
1094
1095 2011-06-19  Ian Lance Taylor  <iant@google.com>
1096
1097         PR gold/12880
1098         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1099         .interp section to a PT_INTERP segment even if we have seen a
1100         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1101         clause in a linker script.
1102         (Layout::finalize): Don't create a .interp section if we've
1103         already create a PT_INTERP segment.
1104         (Layout::create_interp): Always call choose_output_section (revert
1105         patch of 2011-06-17).  Don't create PT_INTERP segment.
1106         * script-sections.cc
1107         (Script_sections::create_note_and_tls_segments): Add a .interp
1108         section to a PT_INTERP segment even if we have seen a
1109         --dynamic-linker option.
1110
1111 2011-06-18  Ian Lance Taylor  <iant@google.com>
1112
1113         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1114         merely because a non-PT_LOAD segment has a dynamic reloc.
1115
1116 2011-06-18  Ian Lance Taylor  <iant@google.com>
1117
1118         * layout.cc (Layout::finish_dynamic_section): Don't create
1119         DT_FLAGS entry if not needed.
1120
1121 2011-06-18  Ian Lance Taylor  <iant@google.com>
1122
1123         PR gold/12745
1124         * layout.cc (Layout::layout_eh_frame): Correct handling of
1125         writable .eh_frame section.
1126
1127 2011-06-17  Ian Lance Taylor  <iant@google.com>
1128
1129         PR gold/12893
1130         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1131         symbol is redefined with the exact same object and value.
1132
1133 2011-06-17  Ian Lance Taylor  <iant@google.com>
1134
1135         PR gold/12880
1136         * layout.h (class Layout): Add interp_segment_ field.
1137         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1138         (Layout::attach_allocated_section_to_segment): If making shared
1139         library, put .interp section in PT_INTERP segment.
1140         (Layout::finalize): Also call create_interp if -dynamic-linker
1141         option was used.
1142         (Layout::create_interp): Assert that there is no PT_INTERP
1143         segment.  If not using a SECTIONS clause, use make_output_section.
1144         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1145         * script-sections.cc
1146         (Script_sections::create_note_and_tls_segments): If making shared
1147         library, put .interp section in PT_INTERP segment.
1148
1149 2011-06-17  Ian Lance Taylor  <iant@google.com>
1150
1151         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1152         when making a shared library.
1153
1154 2011-06-17  Ian Lance Taylor  <iant@google.com>
1155
1156         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1157         parameter.  Change all callers.  Don't issue warning about PC32
1158         against locally defined symbol.
1159
1160 2011-06-16  Ian Lance Taylor  <iant@google.com>
1161
1162         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1163         occurs in same object.
1164
1165 2011-06-14  Alan Modra  <amodra@gmail.com>
1166
1167         * po/POTFILES.in: Regenerate.
1168
1169 2011-06-09  Ian Lance Taylor  <iant@google.com>
1170
1171         * script-sections.cc
1172         (Orphan_output_section::set_section_addresses): For a relocatable
1173         link set address to 0.
1174
1175 2011-06-09  Cary Coutant  <ccoutant@google.com>
1176
1177         PR gold/12804
1178         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1179         used with --compress-debug-sections.
1180         * gold/object.cc (Sized_relobj_file::do_layout): Report
1181         uncompressed size of compressed input sections.
1182
1183 2011-06-08  Cary Coutant  <ccoutant@google.com>
1184
1185         PR gold/12804
1186         * testsuite/two_file_test_2_v1.cc: Change initialization of
1187         v2 to keep it in .data.
1188
1189 2011-06-07  Cary Coutant  <ccoutant@google.com>
1190
1191         * common.cc (Symbol_table::do_allocate_commons_list): Call
1192         gold_fallback.
1193         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1194         (Errors::fallback): New function.
1195         (gold_fallback): New function.
1196         * errors.h (Errors::fallback): New function.
1197         * gold.cc (gold_exit): Change status parameter to enum; adjust
1198         all callers.
1199         (queue_initial_tasks): Call gold_fallback.
1200         * gold.h: Include cstdlib.
1201         (Exit_status): New enum type.
1202         (gold_exit): Change status parameter to enum.
1203         (gold_fallback): New function.
1204         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1205         (Layout::create_symtab_sections): Likewise.
1206         (Layout::create_shdrs): Likewise.
1207         * main.cc (main): Adjust call to gold_exit.
1208         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1209         (Output_data_got::add_got_entry_pair): Likewise.
1210         (Output_section::add_input_section): Likewise.
1211         (Output_section::add_output_section_data): Likewise.
1212         (Output_segment::set_section_list_addresses): Likewise.
1213         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1214
1215 2011-06-07  Cary Coutant  <ccoutant@google.com>
1216
1217         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1218         for incremental links.
1219         * output.cc (Output_segment::set_section_list_addresses): Remove
1220         FIXME and test for TLS or BSS.
1221
1222 2011-06-07  Cary Coutant  <ccoutant@google.com>
1223
1224         * testsuite/Makefile.am: Add incremental_copy_test,
1225         incremental_common_test_1.
1226         * testsuite/Makefile.in: Regenerate.
1227         * testsuite/common_test_1_v1.c: New source file.
1228         * testsuite/common_test_1_v2.c: New source file.
1229         * testsuite/copy_test_v1.cc: New source file.
1230
1231 2011-06-07  Cary Coutant  <ccoutant@google.com>
1232
1233         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1234         update, allocate common from bss section's free list.
1235         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1236         linker-defined symbols.
1237         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1238         Skip GOT and PLT entries that are no longer referenced.
1239         (Output_section_incremental_inputs::write_info_blocks): Mark
1240         linker-defined symbols.
1241         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1242         * output.cc (Output_section::allocate): New function.
1243         * output.h (Output_section::allocate): New function.
1244         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1245         linker-defined symbols.
1246         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1247         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1248         (Symbol::init_base_output_data): Likewise.
1249         (Symbol::init_base_output_segment): Likewise.
1250         (Symbol::init_base_constant): Likewise.
1251         (Sized_symbol::init_output_data): Likewise.
1252         (Sized_symbol::init_output_segment): Likewise.
1253         (Sized_symbol::init_constant): Likewise.
1254         (Symbol_table::do_define_in_output_data): Likewise.
1255         (Symbol_table::do_define_in_output_segment): Likewise.
1256         (Symbol_table::do_define_as_constant): Likewise.
1257         * symtab.h (Symbol::is_predefined): New function.
1258         (Symbol::init_base_output_data): Add is_predefined parameter.
1259         (Symbol::init_base_output_segment): Likewise.
1260         (Symbol::init_base_constant): Likewise.
1261         (Symbol::is_predefined_): New data member.
1262         (Sized_symbol::init_output_data): Add is_predefined parameter.
1263         (Sized_symbol::init_output_segment): Likewise.
1264         (Sized_symbol::init_constant): Likewise.
1265         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1266
1267 2011-06-07  Cary Coutant  <ccoutant@google.com>
1268
1269         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1270         instead of emit_copy_reloc.
1271         (Copy_relocs::emit_copy_reloc): Refactor.
1272         (Copy_relocs::make_copy_reloc): New function.
1273         (Copy_relocs::add_copy_reloc): Remove.
1274         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1275         section.
1276         (Copy_relocs::make_copy_reloc): New function.
1277         (Copy_relocs::add_copy_reloc): Remove.
1278         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1279         unchanged input files.
1280         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1281         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1282         Reserve BSS space for COPY relocations.
1283         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1284         (Output_section_incremental_inputs::write_info_blocks): Record
1285         whether a symbol is copied from a shared object.
1286         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1287         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1288         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1289         (Incremental_input_entry_reader::get_output_symbol_index): Add
1290         is_copy parameter.
1291         (Incremental_binary::emit_copy_relocs): New function.
1292         (Incremental_binary::do_emit_copy_relocs): New function.
1293         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1294         new data member.
1295         (Sized_incremental_binary::add_copy_reloc): New function.
1296         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1297         (Sized_incremental_binary::Copy_reloc): New struct.
1298         (Sized_incremental_binary::Copy_relocs): New typedef.
1299         (Sized_incremental_binary::copy_relocs_): New data member.
1300         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1301         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1302         * target.h (Sized_target::emit_copy_reloc): New function.
1303         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1304
1305 2011-06-02  Cary Coutant  <ccoutant@google.com>
1306
1307         PR gold/12163
1308         * gold/archive.cc (Archive::Archive): Initialize new data member.
1309         (Archive::include_all_members): Return if archive has already been
1310         included.
1311         * gold/archive.h (Archive::include_all_members_): New data member.
1312
1313 2011-06-02  Nick Clifton  <nickc@redhat.com>
1314
1315         * dynobj.h: Fix spelling mistake in comment.
1316         * output.cc: Likewise.
1317
1318 2011-05-31  Doug Kwan  <dougkwan@google.com>
1319             Asier Llano
1320
1321         PR gold/12826
1322         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1323         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1324         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1325         redundant arm_exidx_test.so.
1326         * testsuite/Makefile.in: Regenerate.
1327         (check_SCRIPTS): Add pr12826.sh
1328         (check_DATA): Add pr12826.stdout
1329         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1330         * testsuite/pr12826.sh: New file.
1331         * testsuite/pr12826_1.s: Ditto.
1332         * testsuite/pr12826_1.s: Ditto.
1333
1334 2011-05-30  Ian Lance Taylor  <iant@google.com>
1335
1336         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1337         sections.
1338
1339 2011-05-29  Ian Lance Taylor  <iant@google.com>
1340
1341         PR gold/12804
1342         * testsuite/Makefile.am: Use different file name for two_file_test
1343         temporary file for each incremental test.
1344         * testsuite/Makefile.in: Rebuild.
1345
1346 2011-05-29  Ian Lance Taylor  <iant@google.com>
1347
1348         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1349         binary input file is empty.
1350
1351 2011-05-27  Ian Lance Taylor  <iant@google.com>
1352
1353         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1354         (ver_test_9.so): Likewise.
1355         * testsuite/Makefile.in: Rebuild.
1356
1357 2011-05-26 Cary Coutant  <ccoutant@google.com>
1358
1359         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1360         * incremental.cc (Incremental_inputs::report_input_section): Fix
1361         comment, indentation.
1362         (Incremental_inputs::report_comdat_group): New function.
1363         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1364         of data for incremental input file entry.
1365         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1366         group count, COMDAT group signatures.
1367         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1368         an unchanged input file.
1369         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1370         Initialize new data member.
1371         (Incremental_object_entry::add_comdat_group): New function.
1372         (Incremental_object_entry::get_comdat_group_count): New function.
1373         (Incremental_object_entry::get_comdat_signature_key): New function.
1374         (Incremental_object_entry::groups_): New data member.
1375         (Incremental_inputs::report_comdat_group): New function.
1376         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1377         data for incremental input file entry.
1378         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1379         (Incremental_input_entry_reader::get_input_section): Adjust size of
1380         data for incremental input file entry.
1381         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1382         (Incremental_input_entry_reader::get_comdat_group_signature): New
1383         function.
1384         * object.cc (Sized_relobj::include_section_group): Report kept
1385         COMDAT groups for incremental links.
1386
1387 2011-05-24  David Meyer  <pdox@google.com>
1388
1389         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1390         with name parameter.  Add found_name parameter.
1391         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1392         * dirsearch.h (class Dirsearch): Update declaration.
1393
1394 2011-05-24  Ian Lance Taylor  <iant@google.com>
1395
1396         * archive.cc (Library_base::should_include_member): Pull in object
1397         from archive if it defines the entry symbol.
1398         * parameters.cc (Parameters::entry): New function.
1399         * parameters.h (class Parameters): Declare entry.
1400         * output.h (class Output_file_header): Remove entry_ field.
1401         * output.cc (Output_file_header::Output_file_header): Remove entry
1402         parameter.  Change all callers.
1403         (Output_file_header::entry): Use parameters->entry.
1404         * gold.cc (queue_middle_tasks): Likewise.
1405         * plugin.cc (Plugin_hook::run): Likewise.
1406
1407 2011-05-24 Cary Coutant  <ccoutant@google.com>
1408
1409         * gold.cc (queue_initial_tasks): Pass incremental base filename
1410         to Output_file::open_base_file; don't print error message.
1411         * incremental-dump.cc (main): Adjust call to
1412         Output_file::open_for_modification.
1413         * incremental-dump.cc (main): Likewise.
1414         * incremental.cc (Incremental_inputs::report_command_line):
1415         Ignore --incremental-base option when comparing command lines.
1416         Ignore parameter when given as separate argument.
1417         * options.h (class General_options): Add --incremental-base.
1418         * output.cc (Output_file::Output_file):
1419         (Output_file::open_base_file): Add base_name and writable parameters;
1420         read base file into new file; print error message here.
1421         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1422         callers.
1423         * output.h (Output_file::open_for_modification): Rename to...
1424         (Output_file::open_base_file): ...this; add base_name and
1425         writable parameters; adjust all callers.
1426         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1427         callers.
1428         * testsuite/Makefile.am (incremental_test_4): Test
1429         --incremental-base.
1430         * testsuite/Makefile.in: Regenerate.
1431
1432 2011-05-24 Cary Coutant  <ccoutant@google.com>
1433
1434         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1435         incremental_test_4.
1436         * testsuite/Makefile.in: Regenerate.
1437         * testsuite/two_file_test_1_v1.cc: New test source file.
1438         * testsuite/two_file_test_1b_v1.cc: New test source file.
1439         * testsuite/two_file_test_2_v1.cc: New test source file.
1440
1441 2011-05-24 Cary Coutant  <ccoutant@google.com>
1442
1443         * dynobj.h (Dynobj::do_dynobj): New function.
1444         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1445         flag and soname for shared objects.
1446         * incremental.cc (Incremental_inputs::report_object): Make
1447         either Incremental_object_entry or Incremental_dynobj_entry; add
1448         soname to string table.
1449         (Incremental_inputs::report_input_section): Add assertion.
1450         (Output_section_incremental_inputs::set_final_data_size): Adjust
1451         type of input file entry for shared libraries; adjust size of
1452         shared library info entry.
1453         (Output_section_incremental_inputs::write_input_files): Write
1454         as_needed flag for shared libraries.
1455         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1456         of input file entry for shared libraries; write soname.
1457         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1458         soname from incremental info.
1459         * incremental.h (enum Incremental_input_flags): Add
1460         INCREMENTAL_INPUT_AS_NEEDED.
1461         (Incremental_input_entry::Incremental_input_entry): Initialize new
1462         data member.
1463         (Incremental_input_entry::set_as_needed): New function.
1464         (Incremental_input_entry::as_needed): New function.
1465         (Incremental_input_entry::do_dynobj_entry): New function.
1466         (Incremental_input_entry::as_needed_): New data member.
1467         (Incremental_object_entry::Incremental_object_entry): Don't check
1468         for shared library.
1469         (Incremental_object_entry::do_type): Likewise.
1470         (class Incremental_dynobj_entry): New class.
1471         (Incremental_input_entry_reader::as_needed): New function.
1472         (Incremental_input_entry_reader::get_soname): New function.
1473         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1474         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1475         size of shared library info entry.
1476         * layout.cc (Layout::finish_dynamic_section): Don't test for
1477         incremental link when adding DT_NEEDED entries.
1478         * object.h (Object::Object): Initialize new data member.
1479         (Object::dynobj): New function.
1480         (Object::set_as_needed): New function.
1481         (Object::as_needed): New function.
1482         (Object::do_dynobj): New function.
1483         (Object::as_needed_): New data member.
1484
1485 2011-05-24 Cary Coutant  <ccoutant@google.com>
1486
1487         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1488         info; adjust display of GOT entries.
1489         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1490         vector of input objects; remove file_status_.
1491         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1492         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1493         got_plt reader; call target hooks to reserve GOT entries.
1494         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1495         of input file info header and GOT info entry.
1496         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1497         relocation info.
1498         (Got_plt_view_info::got_descriptor): Remove.
1499         (Got_plt_view_info::sym_index): New data member.
1500         (Got_plt_view_info::input_index): New data member.
1501         (Local_got_offset_visitor::visit): Write input file index.
1502         (Global_got_offset_visitor::visit): Write 0 for input file index.
1503         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1504         with sym_index and input_index.
1505         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1506         incremental info GOT entry; replace got_descriptor with input_index.
1507         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1508         map from input file index to object.
1509         (Sized_relobj_incr::do_layout): Replace direct data member reference
1510         with accessor function.
1511         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1512         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1513         Adjust size of input file info header.
1514         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1515         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1516         (Incremental_input_entry_reader::get_input_section): Adjust size of
1517         input file info header.
1518         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1519         of incremental info GOT entry.
1520         (Incremental_got_plt_reader::get_got_desc): Remove.
1521         (Incremental_got_plt_reader::get_got_symndx): New function.
1522         (Incremental_got_plt_reader::get_got_input_index): New function.
1523         (Sized_incremental_binary::Sized_incremental_binary): Remove
1524         file_status_; add input_objects_.
1525         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1526         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1527         (Sized_incremental_binary::file_is_unchanged): Remove.
1528         (Sized_incremental_binary::set_input_object): New function.
1529         (Sized_incremental_binary::input_object): New function.
1530         (Sized_incremental_binary::file_status_): Remove.
1531         (Sized_incremental_binary::input_objects_): New data member.
1532         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1533         references.
1534         (Sized_relobj_incr::invalid_address): Move to base class.
1535         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1536         class.
1537         (Sized_relobj_incr::do_output_section_offset): Likewise.
1538         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1539         (Sized_relobj_incr::section_offsets_): Likewise.
1540         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1541         function.
1542         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1543         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1544         with accessor function.
1545         (Sized_relobj_file::do_layout): Likewise.
1546         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1547         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1548         (Sized_relobj_file::compute_final_local_value): Replace refs to
1549         section_offsets_ with accessor function.
1550         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1551         * object.h (Relobj::Relobj): Initialize new data members.
1552         (Relobj::add_dyn_reloc): New function.
1553         (Relobj::first_dyn_reloc): New function.
1554         (Relobj::dyn_reloc_count): New function.
1555         (Relobj::first_dyn_reloc_): New data member.
1556         (Relobj::dyn_reloc_count_): New data member.
1557         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1558         references.
1559         (Sized_relobj::Address): New typedef.
1560         (Sized_relobj::invalid_address): Move here from child class.
1561         (Sized_relobj::Sized_relobj): Initialize new data members.
1562         (Sized_relobj::sized_relobj): New function.
1563         (Sized_relobj::is_output_section_offset_invalid): Move here from
1564         child class.
1565         (Sized_relobj::get_output_section_offset): Likewise.
1566         (Sized_relobj::local_has_got_offset): Likewise.
1567         (Sized_relobj::local_got_offset): Likewise.
1568         (Sized_relobj::set_local_got_offset): Likewise.
1569         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1570         (Sized_relobj::clear_got_offsets): New function.
1571         (Sized_relobj::section_offsets): Move here from child class.
1572         (Sized_relobj::do_output_section_offset): Likewise.
1573         (Sized_relobj::do_set_section_offset): Likewise.
1574         (Sized_relobj::Local_got_offsets): Likewise.
1575         (Sized_relobj::local_got_offsets_): Likewise.
1576         (Sized_relobj::section_offsets_): Likewise.
1577         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1578         references.
1579         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1580         class.
1581         (Sized_relobj_file::sized_relobj): New function
1582         (Sized_relobj_file::local_has_got_offset): Move to base class.
1583         (Sized_relobj_file::local_got_offset): Likewise.
1584         (Sized_relobj_file::set_local_got_offset): Likewise.
1585         (Sized_relobj_file::get_output_section_offset): Likewise.
1586         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1587         (Sized_relobj_file::do_output_section_offset): Likewise.
1588         (Sized_relobj_file::do_set_section_offset): Likewise.
1589         (Sized_relobj_file::Local_got_offsets): Likewise.
1590         (Sized_relobj_file::local_got_offsets_): Likewise.
1591         (Sized_relobj_file::section_offsets_): Likewise.
1592         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1593         (all constructors).
1594         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1595         (Output_reloc::get_symbol_index): Likewise.
1596         (Output_reloc::local_section_offset): Likewise.
1597         (Output_reloc::get_address): Likewise.
1598         (Output_reloc::symbol_value): Likewise.
1599         (Output_data_got::reserve_slot): Move to class definition.
1600         (Output_data_got::reserve_local): New function.
1601         (Output_data_got::reserve_slot_for_global): Remove.
1602         (Output_data_got::reserve_global): New function.
1603         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1604         (all constructors, two instantiations).
1605         (Output_reloc::get_relobj): New function (two instantiations).
1606         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1607         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1608         (Output_data_reloc::add_global): Adjust type of relobj.
1609         (Output_data_reloc::add_global_relative): Likewise.
1610         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1611         (Output_data_reloc::add_local): Likewise.
1612         (Output_data_reloc::add_local_relative): Likewise.
1613         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1614         (Output_data_reloc::add_local_section): Likewise.
1615         (Output_data_reloc::add_output_section): Likewise.
1616         (Output_data_reloc::add_absolute): Likewise.
1617         (Output_data_reloc::add_target_specific): Likewise.
1618         (Output_data_got::reserve_slot): Move definition here.
1619         (Output_data_got::reserve_local): New function.
1620         (Output_data_got::reserve_global): New function.
1621         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1622         section_offsets_ with accessor function.
1623         (Sized_relobj_file::write_sections): Likewise.
1624         (Sized_relobj_file::do_relocate_sections): Likewise.
1625         * target.h (Sized_target::reserve_local_got_entry): New function.
1626         (Sized_target::reserve_global_got_entry): New function.
1627         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1628         (Target_x86_64::reserve_global_got_entry): New function.
1629         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1630
1631 2011-05-23 Cary Coutant  <ccoutant@google.com>
1632
1633         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1634         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1635         bit when checking got_type.
1636         * incremental.cc (Sized_incremental_binary::setup_readers):
1637         Store symbol table and string table locations; initialize bit vector
1638         of file status flags.
1639         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1640         unchanged files.
1641         (Sized_incremental_binary::do_process_got_plt): New function.
1642         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1643         (Output_section_incremental_inputs::set_final_data_size): Record
1644         file index for each input file.
1645         (Output_section_incremental_inputs::write_got_plt): Store file index
1646         instead of input entry offset for each GOT entry.
1647         * incremental.h
1648         (Incremental_input_entry::Incremental_input_entry): Initialize new
1649         data member.
1650         (Incremental_input_entry::set_offset): Store file index.
1651         (Incremental_input_entry::get_file_index): New function.
1652         (Incremental_input_entry::file_index_): New data member.
1653         (Incremental_binary::process_got_plt): New function.
1654         (Incremental_binary::do_process_got_plt): New function.
1655         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1656         data members.
1657         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1658         (Sized_incremental_binary::set_file_is_unchanged): New function.
1659         (Sized_incremental_binary::file_is_unchanged): New function.
1660         (Sized_incremental_binary::do_process_got_plt): New function.
1661         (Sized_incremental_binary::file_status_): New data member.
1662         (Sized_incremental_binary::main_symtab_loc_): New data member.
1663         (Sized_incremental_binary::main_strtab_loc_): New data member.
1664         * output.cc (Output_data_got::Got_entry::write): Add case
1665         RESERVED_CODE.
1666         (Output_data_got::add_global): Call add_got_entry.
1667         (Output_data_got::add_global_plt): Likewise.
1668         (Output_data_got::add_global_with_rel): Likewise.
1669         (Output_data_got::add_global_with_rela): Likewise.
1670         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1671         (Output_data_got::add_global_pair_with_rela): Likewise.
1672         (Output_data_got::add_local): Call add_got_entry.
1673         (Output_data_got::add_local_plt): Likewise.
1674         (Output_data_got::add_local_with_rel): Likewise.
1675         (Output_data_got::add_local_with_rela): Likewise.
1676         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1677         (Output_data_got::add_local_pair_with_rela): Likewise.
1678         (Output_data_got::reserve_slot): New function.
1679         (Output_data_got::reserve_slot_for_global): New function.
1680         (Output_data_got::add_got_entry): New function.
1681         (Output_data_got::add_got_entry_pair): New function.
1682         (Output_section::add_output_section_data): Edit FIXME.
1683         * output.h
1684         (Output_section_data_build::Output_section_data_build): New
1685         constructor with size parameter.
1686         (Output_data_space::Output_data_space): Likewise.
1687         (Output_data_got::Output_data_got): Initialize new data member; new
1688         constructor with size parameter.
1689         (Output_data_got::add_constant): Call add_got_entry.
1690         (Output_data_got::reserve_slot): New function.
1691         (Output_data_got::reserve_slot_for_global): New function.
1692         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1693         (Output_data_got::add_got_entry): New function.
1694         (Output_data_got::add_got_entry_pair): New function.
1695         (Output_data_got::free_list_): New data member.
1696         * target.h (Sized_target::init_got_plt_for_update): New function.
1697         (Sized_target::register_global_plt_entry): New function.
1698         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1699         Initialize new data member; call init; add constructor with PLT count.
1700         (Output_data_plt_x86_64::init): New function.
1701         (Output_data_plt_x86_64::add_relocation): New function.
1702         (Output_data_plt_x86_64::reserve_slot): New function.
1703         (Output_data_plt_x86_64::free_list_): New data member.
1704         (Target_x86_64::init_got_plt_for_update): New function.
1705         (Target_x86_64::register_global_plt_entry): New function.
1706         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1707         incremental updates.
1708         (Output_data_plt_x86_64::add_relocation): New function.
1709         * testsuite/object_unittest.cc (Object_test): Set default options.
1710
1711 2011-05-16  Ian Lance Taylor  <iant@google.com>
1712
1713         * options.h (class General_options): Make -i a synonym for -r.
1714
1715 2011-05-16  Ian Lance Taylor  <iant@google.com>
1716
1717         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1718
1719 2011-05-10 Cary Coutant  <ccoutant@google.com>
1720
1721         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1722         strip_all (-s).
1723
1724 2011-05-06  Ian Lance Taylor  <iant@google.com>
1725
1726         * layout.cc (Layout::layout): If the output section flags change,
1727         update the ordering.
1728
1729 2011-04-25 Cary Coutant  <ccoutant@google.com>
1730
1731         * incremental-dump.cc (dump_incremental_inputs): Print local
1732         symbol info for each input file.
1733         * incremental.cc
1734         (Output_section_incremental_inputs::set_final_data_size): Add local
1735         symbol info to input file entries in incremental info.
1736         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1737         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1738         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1739         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1740         implementation.
1741         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1742         (Sized_incr_relobj::do_relocate): Write the local symbols.
1743         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1744         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1745         Adjust size of input file header.
1746         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1747         (Incremental_inputs_reader::get_local_symbol_count): New function.
1748         (Incremental_inputs_reader::get_input_section): Adjust size of input
1749         file header.
1750         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1751         (Sized_incr_relobj::This): New typedef.
1752         (Sized_incr_relobj::sym_size): New const data member.
1753         (Sized_incr_relobj::Local_symbol): New struct.
1754         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1755         (Sized_incr_relobj::do_local_symbol_offset): New function.
1756         (Sized_incr_relobj::local_symbol_count_): New data member.
1757         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1758         (Sized_incr_relobj::local_symbol_index_): New data member.
1759         (Sized_incr_relobj::local_symbol_offset_): New data member.
1760         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1761         (Sized_incr_relobj::local_symbols_): New data member.
1762         * object.h (Relobj::output_local_symbol_count): New function.
1763         (Relobj::local_symbol_offset): New function.
1764         (Relobj::do_output_local_symbol_count): New function.
1765         (Relobj::do_local_symbol_offset): New function.
1766         (Sized_relobj::do_output_local_symbol_count): New function.
1767         (Sized_relobj::do_local_symbol_offset): New function.
1768
1769 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1770
1771         * descriptors.cc (set_close_on_exec): New function.
1772         (Descriptors::open): Use set_close_on_exec.
1773         * output.cc (S_ISLNK): Define if not defined.
1774
1775 2011-04-22 Cary Coutant  <ccoutant@google.com>
1776
1777         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1778         global symbol map.
1779         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1780         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1781         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1782         relocations.
1783         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1784         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1785         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1786         * incremental.h
1787         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1788         function.
1789         (Incremental_binary::apply_incremental_relocs): New function.
1790         (Incremental_binary::do_apply_incremental_relocs): New function.
1791         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1792         data member.
1793         (Sized_incremental_binary::add_global_symbol): New function.
1794         (Sized_incremental_binary::global_symbol): New function.
1795         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1796         (Sized_incremental_binary::symbol_map_): New data member.
1797         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1798         * target.h (Sized_target::apply_relocation): New function.
1799         * target-reloc.h (apply_relocation): New function.
1800         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1801
1802 2011-04-22  Doug Kwan  <dougkwan@google.com>
1803
1804         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1805         flag of a SHT_ARM_EXIDX section.
1806         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1807         * testsuite/Makefile.in: Regenerate.
1808         * testsuite/arm_exidx_test.s: New file.
1809         * testsuite/arm_exidx_test.sh: Same.
1810
1811 2011-04-20 Cary Coutant  <ccoutant@google.com>
1812
1813         PR gold/12689
1814         * archive.h (Incremental_archive_entry::Archive_member):
1815         Initialize arg_serial_ (second constructor).
1816
1817 2011-04-17  Ian Lance Taylor  <iant@google.com>
1818
1819         * object.cc (Relocate_info::location): Simplify location string.
1820         * errors.cc (Errors::error_at_location): Don't print program
1821         name.
1822         (Errors::warning_at_location): Likewise.
1823         (Errors::undefined_symbol): Likewise.
1824         * testsuite/debug_msg.sh: Update accordingly.
1825
1826 2011-04-14 Cary Coutant  <ccoutant@google.com>
1827
1828         * gold/layout.cc (Layout::symtab_section_offset): New function.
1829         * gold/layout.h (Layout::symtab_section_offset): New function.
1830         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1831
1832 2011-04-12  Ian Lance Taylor  <iant@google.com>
1833
1834         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1835         with MREMAP_MAYMOVE.
1836         * output.h (class Output_file): Add map_is_allocated_ field.
1837         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1838         not available, provide stubs.  If mremap is not available, #define
1839         it to gold_mremap.
1840         (MREMAP_MAYMOVE): Define if not defined.
1841         (Output_file::Output_file): Initialize map_is_allocated_.
1842         (Output_file::resize): Check map_is_allocated_.
1843         (Output_file::map_anonymous): If mmap fails, use malloc.
1844         (Output_file::unmap): Don't do anything for an anonymous map.
1845         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1846         is not available, provide stubs.
1847         (File_read::View::~View): Use free rather than delete[].
1848         (File_read::make_view): Use malloc rather than new[].  If mmap
1849         fails, use malloc.
1850         (File_read::find_or_make_view): Use malloc rather than new[].
1851         * gold.h: Remove HAVE_REMAP code.
1852         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1853         exists.  Rename mremap to gold_mremap.  If mmap is not available
1854         don't do anything.
1855         * configure, config.in: Rebuild.
1856
1857 2011-04-11  Ian Lance Taylor  <iant@google.com>
1858
1859         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1860         initialize local variable v.
1861
1862 2011-04-11  Cary Coutant  <ccoutant@google.com>
1863
1864         * archive.cc (Archive::include_member): Adjust call to
1865         report_object.
1866         (Add_archive_symbols::run): Track argument serial numbers.
1867         (Lib_group::include_member): Likewise.
1868         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1869         * archive.h (Incremental_archive_entry::Archive_member):
1870         Initialize arg_serial_.
1871         (Archive_member::arg_serial_): New data member.
1872         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1873         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1874         incremental link.
1875         (Sized_dynobj::do_for_all_local_got_entries): New function.
1876         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1877         function.
1878         * fileread.cc (get_mtime): New function.
1879         * fileread.h (get_mtime): New function.
1880         * gold.cc (queue_initial_tasks): Check for incremental update.
1881         (process_incremental_input): New function.
1882         (queue_middle_tasks): Don't force valid target for incremental
1883         update.
1884         * incremental-dump.cc (find_input_containing_global): Adjust
1885         size of symbol info entry.
1886         (dump_incremental_inputs): Dump argument serial number and
1887         in_system_directory flag; bias shndx by 1; print symbol names
1888         when dumping per-file symbol lists; use new symbol info readers.
1889         * incremental.cc
1890         (Output_section_incremental_inputs:update_data_size): New function.
1891         (Sized_incremental_binary::setup_readers): Setup input readers
1892         for each input file; build maps for files added from libraries
1893         and scripts.
1894         (Sized_incremental_binary::check_input_args): New function.
1895         (Sized_incremental_binary::do_check_inputs): Build map of argument
1896         serial numbers to input arguments.
1897         (Sized_incremental_binary::do_file_has_changed): Rename
1898         do_file_is_unchanged to this; compare file modification times.
1899         (Sized_incremental_binary::do_init_layout): New function.
1900         (Sized_incremental_binary::do_reserve_layout): New function.
1901         (Sized_incremental_binary::do_get_input_reader): Remove.
1902         (Sized_incremental_binary::get_symtab_view): New function.
1903         (Incremental_checker::can_incrementally_link_output_file): Remove.
1904         (Incremental_inputs::report_command_line): Exclude --debug options.
1905         (Incremental_inputs::report_archive_begin): Add parameter; track
1906         argument serial numbers; don't put input file entry for archive
1907         before archive members.
1908         (Incremental_inputs::report_archive_end): Put input file entry
1909         for archive after archive members.
1910         (Incremental_inputs::report_object): Add parameter; track argument
1911         serial numbers and in_system_directory flag.
1912         (Incremental_inputs::report_script): Add parameter; track argument
1913         serial numbers.
1914         (Output_section_incremental_inputs::set_final_data_size): Adjust
1915         size of symbol info entry; check for forwarding symbols.
1916         (Output_section_incremental_inputs::write_input_files): Write
1917         in_system_directory flag and argument serial number.
1918         (Output_section_incremental_inputs::write_info_blocks): Map section
1919         indices between incremental info and original input file; store
1920         input section index for each symbol.
1921         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1922         change operator() to visit().
1923         (class Global_got_offset_visitor): Likewise.
1924         (class Global_symbol_visitor_got_plt):
1925         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1926         classes.
1927         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1928         (Sized_incr_relobj::do_read_symbols): New function.
1929         (Sized_incr_relobj::do_layout): New function.
1930         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1931         (Sized_incr_relobj::do_add_symbols): New function.
1932         (Sized_incr_relobj::do_should_include_member): New function.
1933         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1934         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1935         (Sized_incr_relobj::do_section_size): New function.
1936         (Sized_incr_relobj::do_section_name): New function.
1937         (Sized_incr_relobj::do_section_contents): New function.
1938         (Sized_incr_relobj::do_section_flags): New function.
1939         (Sized_incr_relobj::do_section_entsize): New function.
1940         (Sized_incr_relobj::do_section_address): New function.
1941         (Sized_incr_relobj::do_section_type): New function.
1942         (Sized_incr_relobj::do_section_link): New function.
1943         (Sized_incr_relobj::do_section_info): New function.
1944         (Sized_incr_relobj::do_section_addralign): New function.
1945         (Sized_incr_relobj::do_initialize_xindex): New function.
1946         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1947         (Sized_incr_relobj::do_read_relocs): New function.
1948         (Sized_incr_relobj::do_gc_process_relocs): New function.
1949         (Sized_incr_relobj::do_scan_relocs): New function.
1950         (Sized_incr_relobj::do_count_local_symbols): New function.
1951         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1952         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1953         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1954         (Sized_incr_relobj::do_relocate): New function.
1955         (Sized_incr_relobj::do_set_section_offset): New function.
1956         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1957         (Sized_incr_dynobj::do_read_symbols): New function.
1958         (Sized_incr_dynobj::do_layout): New function.
1959         (Sized_incr_dynobj::do_add_symbols): New function.
1960         (Sized_incr_dynobj::do_should_include_member): New function.
1961         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1962         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1963         (Sized_incr_dynobj::do_section_size): New function.
1964         (Sized_incr_dynobj::do_section_name): New function.
1965         (Sized_incr_dynobj::do_section_contents): New function.
1966         (Sized_incr_dynobj::do_section_flags): New function.
1967         (Sized_incr_dynobj::do_section_entsize): New function.
1968         (Sized_incr_dynobj::do_section_address): New function.
1969         (Sized_incr_dynobj::do_section_type): New function.
1970         (Sized_incr_dynobj::do_section_link): New function.
1971         (Sized_incr_dynobj::do_section_info): New function.
1972         (Sized_incr_dynobj::do_section_addralign): New function.
1973         (Sized_incr_dynobj::do_initialize_xindex): New function.
1974         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1975         (make_sized_incremental_object): New function.
1976         (Incremental_library::copy_unused_symbols): New function.
1977         (Incremental_library::do_for_all_unused_symbols): New function.
1978         * incremental.h (enum Incremental_input_flags): New type.
1979         (class Incremental_checker): Remove.
1980         (Incremental_input_entry::Incremental_input_entry): Add argument
1981         serial number.
1982         (Incremental_input_entry::arg_serial): New function.
1983         (Incremental_input_entry::set_is_in_system_directory): New function.
1984         (Incremental_input_entry::is_in_system_directory): New function.
1985         (Incremental_input_entry::arg_serial_): New data member.
1986         (Incremental_input_entry::is_in_system_directory_): New data member.
1987         (class Script_info): Move here from script.h.
1988         (Script_info::Script_info): Add filename parameter.
1989         (Script_info::filename): New function.
1990         (Script_info::filename_): New data member.
1991         (Incremental_script_entry::Incremental_script_entry): Add argument
1992         serial number.
1993         (Incremental_object_entry::Incremental_object_entry): Likewise.
1994         (Incremental_object_entry::add_input_section): Build list of input
1995         sections with map to original shndx.
1996         (Incremental_object_entry::get_input_section_index): New function.
1997         (Incremental_object_entry::shndx_): New data member.
1998         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1999         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2000         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2001         serial number.
2002         (Incremental_inputs::report_archive_begin): Likewise.
2003         (Incremental_inputs::report_object): Likewise.
2004         (Incremental_inputs::report_script): Likewise.
2005         (class Incremental_global_symbol_reader): New class.
2006         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2007         and store flags and input file type.
2008         (Incremental_input_entry_reader::arg_serial): New function.
2009         (Incremental_input_entry_reader::type): Extract type from flags.
2010         (Incremental_input_entry_reader::is_in_system_directory): New function.
2011         (Incremental_input_entry_reader::get_input_section_count): Call
2012         accessor function for type.
2013         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2014         function for type; adjust size of global symbol entry.
2015         (Incremental_input_entry_reader::get_global_symbol_count): Call
2016         accessor function for type.
2017         (Incremental_input_entry_reader::get_object_count): Likewise.
2018         (Incremental_input_entry_reader::get_object_offset): Likewise.
2019         (Incremental_input_entry_reader::get_member_count): Likewise.
2020         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2021         (Incremental_input_entry_reader::get_member_offset): Likewise.
2022         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2023         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2024         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2025         (Incremental_input_entry_reader::get_global_symbol_reader): New
2026         function.
2027         (Incremental_input_entry_reader::get_output_symbol_index): New
2028         function.
2029         (Incremental_input_entry_reader::type_): Remove.
2030         (Incremental_input_entry_reader::flags_): New data member.
2031         (Incremental_inputs_reader::input_file_offset): New function.
2032         (Incremental_inputs_reader::input_file_index): New function.
2033         (Incremental_inputs_reader::input_file): Call input_file_offset.
2034         (Incremental_inputs_reader::input_file_at_offset): New function.
2035         (Incremental_relocs_reader::get_r_type): Reformat.
2036         (Incremental_relocs_reader::get_r_shndx): Reformat.
2037         (Incremental_relocs_reader::get_r_offset): Reformat.
2038         (Incremental_relocs_reader::data): New function.
2039         (Incremental_binary::Incremental_binary): Initialize new data members.
2040         (Incremental_binary::check_inputs): Add cmdline parameter.
2041         (Incremental_binary::file_is_unchanged): Remove.
2042         (Input_reader::arg_serial): New function.
2043         (Input_reader::get_unused_symbol_count): New function.
2044         (Input_reader::get_unused_symbol): New function.
2045         (Input_reader::do_arg_serial): New function.
2046         (Input_reader::do_get_unused_symbol_count): New function.
2047         (Input_reader::do_get_unused_symbol): New function.
2048         (Incremental_binary::input_file_count): New function.
2049         (Incremental_binary::get_input_reader): Change signature to use
2050         index instead of filename.
2051         (Incremental_binary::file_has_changed): New function.
2052         (Incremental_binary::get_input_argument): New function.
2053         (Incremental_binary::get_library): New function.
2054         (Incremental_binary::get_script_info): New function.
2055         (Incremental_binary::init_layout): New function.
2056         (Incremental_binary::reserve_layout): New function.
2057         (Incremental_binary::output_file): New function.
2058         (Incremental_binary::do_check_inputs): New function.
2059         (Incremental_binary::do_file_is_unchanged): Remove.
2060         (Incremental_binary::do_file_has_changed): New function.
2061         (Incremental_binary::do_init_layout): New function.
2062         (Incremental_binary::do_reserve_layout): New function.
2063         (Incremental_binary::do_input_file_count): New function.
2064         (Incremental_binary::do_get_input_reader): Change signature.
2065         (Incremental_binary::input_args_map_): New data member.
2066         (Incremental_binary::library_map_): New data member.
2067         (Incremental_binary::script_map_): New data member.
2068         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2069         new data members.
2070         (Sized_incremental_binary::output_section): New function.
2071         (Sized_incremental_binary::inputs_reader): Add const.
2072         (Sized_incremental_binary::symtab_reader): Add const.
2073         (Sized_incremental_binary::relocs_reader): Add const.
2074         (Sized_incremental_binary::got_plt_reader): Add const.
2075         (Sized_incremental_binary::get_symtab_view): New function.
2076         (Sized_incremental_binary::Inputs_reader): New typedef.
2077         (Sized_incremental_binary::Input_entry_reader): New typedef.
2078         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2079         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2080         (Sized_incremental_binary::do_file_has_changed): New function.
2081         (Sized_incremental_binary::do_init_layout): New function.
2082         (Sized_incremental_binary::do_reserve_layout): New function.
2083         (Sized_input_reader::Inputs_reader): Remove.
2084         (Sized_input_reader::Input_entry_reader): Remove.
2085         (Sized_input_reader::do_arg_serial): New function.
2086         (Sized_input_reader::do_get_unused_symbol_count): New function.
2087         (Sized_input_reader::do_get_unused_symbol): New function.
2088         (Sized_incremental_binary::do_input_file_count): New function.
2089         (Sized_incremental_binary::do_get_input_reader): Change signature;
2090         use index instead of filename.
2091         (Sized_incremental_binary::section_map_): New data member.
2092         (Sized_incremental_binary::input_entry_readers_): New data member.
2093         (class Sized_incr_relobj): New class.
2094         (class Sized_incr_dynobj): New class.
2095         (make_sized_incremental_object): New function.
2096         (class Incremental_library): New class.
2097         * layout.cc (Free_list::num_lists): New static data member.
2098         (Free_list::num_nodes): New static data member.
2099         (Free_list::num_removes): New static data member.
2100         (Free_list::num_remove_visits): New static data member.
2101         (Free_list::num_allocates): New static data member.
2102         (Free_list::num_allocate_visits): New static data member.
2103         (Free_list::init): New function.
2104         (Free_list::remove): New function.
2105         (Free_list::allocate): New function.
2106         (Free_list::dump): New function.
2107         (Free_list::print_stats): New function.
2108         (Layout_task_runner::run): Resize output file for incremental updates.
2109         (Layout::Layout): Initialize new data members.
2110         (Layout::set_incremental_base): New function.
2111         (Layout::init_fixed_output_section): New function.
2112         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2113         incremental updates.
2114         (Layout::create_gold_note): Do not create gold note section for
2115         incremental updates.
2116         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2117         for incremental updates.
2118         (Layout::set_section_offsets): For incremental updates, allocate space
2119         from free list.
2120         (Layout::create_symtab_sections): Layout with offsets relative to
2121         start of section; for incremental updates, allocate space from free
2122         list.
2123         (Layout::create_shdrs): For incremental updates, allocate space from
2124         free list.
2125         (Layout::finish_dynamic_section): For incremental updates, do not
2126         check --as-needed (fixed in subsequent patch).
2127         * layout.h (class Free_list): New class.
2128         (Layout::set_incremental_base): New function.
2129         (Layout::incremental_base): New function.
2130         (Layout::init_fixed_output_section): New function.
2131         (Layout::allocate): New function.
2132         (Layout::incremental_base_): New data member.
2133         (Layout::free_list_): New data member.
2134         * main.cc (main): Print Free_list statistics.
2135         * object.cc (Relobj::finalize_incremental_relocs): Add
2136         clear_counts parameter; clear counts only when clear_counts is set.
2137         (Sized_relobj::Sized_relobj): Initialize new base class.
2138         (Sized_relobj::do_layout): Don't report special sections.
2139         (Sized_relobj::do_for_all_local_got_entries): New function.
2140         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2141         symtab_off to all symbol table offsets.
2142         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2143         * object.h (class Got_offset_list): Move to top of file.
2144         (Object::Object): Allow case where input_file == NULL.
2145         (Object::~Object): Likewise.
2146         (Object::input_file): Assert that input_file != NULL.
2147         (Object::lock): Allow case where input_file == NULL.
2148         (Object::unlock): Likewise.
2149         (Object::is_locked): Likewise.
2150         (Object::token): Likewise.
2151         (Object::release): Likewise.
2152         (Object::is_incremental): New function.
2153         (Object::get_mtime): New function.
2154         (Object::for_all_local_got_entries): New function.
2155         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2156         (Object::set_is_in_system_directory): New function.
2157         (Object::is_in_system_directory): New function.
2158         (Object::do_is_incremental): New function.
2159         (Object::do_get_mtime): New function.
2160         (Object::do_for_all_local_got_entries): New function.
2161         (Object::is_in_system_directory_): New data member.
2162         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2163         (class Sized_relobj_base): New class.
2164         (class Sized_relobj): Derive from Sized_relobj_base.
2165         (class Sized_relobj::Symbols): Redeclare from base class.
2166         (class Sized_relobj::local_got_offset_list): Remove.
2167         (class Sized_relobj::Output_sections): Redeclare from base class.
2168         (class Sized_relobj::do_for_all_local_got_entries): New function.
2169         (class Sized_relobj::write_local_symbols): Add offset parameter.
2170         (class Sized_relobj::local_symbol_offset_): Update comment.
2171         (class Sized_relobj::local_dynsym_offset_): Update comment.
2172         * options.cc (Input_arguments::add_file): Remove const.
2173         * options.h (Input_file_argument::Input_file_argument):
2174         Initialize arg_serial_ (all constructors).
2175         (Input_file_argument::set_arg_serial): New function.
2176         (Input_file_argument::arg_serial): New function.
2177         (Input_file_argument::arg_serial_): New data member.
2178         (Input_arguments::Input_arguments): Initialize file_count_.
2179         (Input_arguments::add_file): Remove const.
2180         (Input_arguments::number_of_input_files): New function.
2181         (Input_arguments::file_count_): New data member.
2182         (Command_line::number_of_input_files): Call
2183         Input_arguments::number_of_input_files.
2184         * output.cc (Output_segment_headers::Output_segment_headers):
2185         Set current size.
2186         (Output_section::Input_section::current_data_size): New function.
2187         (Output_section::Output_section): Initialize new data members.
2188         (Output_section::add_input_section): Don't do merge sections for
2189         an incremental link; allocate space from free list for an
2190         incremental update.
2191         (Output_section::add_output_section_data): Allocate space from
2192         free list for an incremental update.
2193         (Output_section::update_data_size): New function.
2194         (Output_section::set_fixed_layout): New function.
2195         (Output_section::reserve): New function.
2196         (Output_segment::set_section_addresses): Remove const.
2197         (Output_segment::set_section_list_addresses): Remove const; allocate
2198         space from free list for an incremental update.
2199         (Output_segment::set_offset): Adjust size of RELRO segment for an
2200         incremental update.
2201         * output.h (Output_data::current_data_size): Move here from
2202         child classes.
2203         (Output_data::pre_finalize_data_size): New function.
2204         (Output_data::update_data_size): New function.
2205         (Output_section_headers::update_data_size): new function.
2206         (Output_section_data_build::current_data_size): Move to Output_data.
2207         (Output_data_strtab::update_data_size): New function.
2208         (Output_section::current_data_size): Move to Output_data.
2209         (Output_section::set_fixed_layout): New function.
2210         (Output_section::has_fixed_layout): New function.
2211         (Output_section::reserve): New function.
2212         (Output_section::update_data_size): New function.
2213         (Output_section::has_fixed_layout_): New data member.
2214         (Output_section::free_list_): New data member.
2215         (Output_segment::set_section_addresses): Remove const.
2216         (Output_segment::set_section_list_addresses): Remove const.
2217         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2218         New function.
2219         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2220         New function.
2221         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2222         parameter when calling Add_symbols constructor; store argument
2223         serial number for members of a lib group.
2224         (Add_symbols::locks): Allow case where token == NULL.
2225         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2226         (Read_member::~Read_member): New function.
2227         (Read_member::is_runnable): New function.
2228         (Read_member::locks): New function.
2229         (Read_member::run): New function.
2230         (Check_script::~Check_script): New function.
2231         (Check_script::is_runnable): New function.
2232         (Check_script::locks): New function.
2233         (Check_script::run): New function.
2234         (Check_library::~Check_library): New function.
2235         (Check_library::is_runnable): New function.
2236         (Check_library::locks): New function.
2237         (Check_library::run): New function.
2238         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2239         (Add_symbols::library_): New data member.
2240         (class Read_member): New class.
2241         (class Check_script): New class.
2242         (class Check_library): New class.
2243         * reloc.cc (Read_relocs::is_runnable): Allow case where
2244         token == NULL.
2245         (Read_relocs::locks): Likewise.
2246         (Scan_relocs::locks): Likewise.
2247         (Relocate_task::locks): Likewise.
2248         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2249         to clear counters.
2250         (Sized_relobj::incremental_relocs_scan): Fix comment.
2251         (Sized_relobj::do_relocate): Pass output file offset to
2252         write_local_symbols.
2253         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2254         from class declaration.
2255         * script.cc (read_input_script): Allocate Script_info; pass
2256         argument serial number to report_script.
2257         * script.h (class Script_info): Move to incremental.h.
2258         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2259         * symtab.h (Symbol_table::add_from_incrobj): New function.
2260         (Symbol_table::set_file_offset): New function.
2261
2262 2011-04-05  Cary Coutant  <ccoutant@google.com>
2263
2264         * incremental-dump.cc (dump_incremental_inputs): Change signature
2265         to take a Sized_incremental_binary; change caller.  Use readers
2266         in Sized_incremental_binary.
2267         * incremental.cc
2268         (Sized_incremental_binary::find_incremental_inputs_sections):
2269         Rename do_find_incremental_inputs_sections to this.
2270         (Sized_incremental_binary::setup_readers): New function.
2271         (Sized_incremental_binary::do_check_inputs): Check
2272         has_incremental_info_ flag; move setup code to setup_readers;
2273         use input readers.
2274         (Sized_incremental_binary::do_file_is_unchanged): New function.
2275         (Sized_incremental_binary::do_get_input_reader): New function.
2276         * incremental.h (class Incremental_binary): Move to end of file.
2277         (Incremental_binary::file_is_unchanged): New function.
2278         (Incremental_binary::do_file_is_unchanged): New function.
2279         (Incremental_binary::Input_reader): New class.
2280         (Incremental_binary::get_input_reader): New function.
2281         (class Sized_incremental_binary): Move to end of file.
2282         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2283         input section reader classes.
2284         (Sized_incremental_binary::has_incremental_info): New function.
2285         (Sized_incremental_binary::inputs_reader): New function.
2286         (Sized_incremental_binary::symtab_reader): New function.
2287         (Sized_incremental_binary::relocs_reader): New function.
2288         (Sized_incremental_binary::got_plt_reader): New function.
2289         (Sized_incremental_binary::do_file_is_unchanged): New function.
2290         (Sized_incremental_binary::Sized_input_reader): New class.
2291         (Sized_incremental_binary::get_input_reader): New function.
2292         (Sized_incremental_binary::find_incremental_inputs_sections):
2293         Rename do_find_incremental_inputs_sections to this.
2294         (Sized_incremental_binary::setup_readers): New function.
2295         (Sized_incremental_binary::has_incremental_info_): New data member.
2296         (Sized_incremental_binary::inputs_reader_): New data member.
2297         (Sized_incremental_binary::symtab_reader_): New data member.
2298         (Sized_incremental_binary::relocs_reader_): New data member.
2299         (Sized_incremental_binary::got_plt_reader_): New data member.
2300         (Sized_incremental_binary::current_input_file_): New data member.
2301
2302 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2303
2304         PR gold/12640
2305         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2306         violation.
2307
2308 2011-03-30  Cary Coutant  <ccoutant@google.com>
2309
2310         * archive.cc (Archive::include_member): Adjust call to report_object.
2311         (Add_archive_symbols::run): Add script_info to call to
2312         report_archive_begin.
2313         (Lib_group::include_member): Adjust call to report_object.
2314         (Add_lib_group_symbols::run): Adjust call to report_object.
2315         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2316         blocks.  Add object count for script input files.
2317         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2318         script_info parameter; change all callers.
2319         (Incremental_inputs::report_object): Add script_info parameter;
2320         change all callers.
2321         (Incremental_inputs::report_script): Store backpointer to
2322         incremental info entry.
2323         (Output_section_incremental_inputs::set_final_data_size): Record
2324         additional information for scripts.
2325         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2326         * incremental.h (Incremental_script_entry::add_object): New function.
2327         (Incremental_script_entry::get_object_count): New function.
2328         (Incremental_script_entry::get_object): New function.
2329         (Incremental_script_entry::objects_): New data member; adjust
2330         constructor.
2331         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2332         (Incremental_inputs::report_object): Add script_info parameter.
2333         (Incremental_inputs_reader::get_object_count): New function.
2334         (Incremental_inputs_reader::get_object_offset): New function.
2335         * options.cc (Input_arguments::add_file): Return reference to
2336         new input argument.
2337         * options.h (Input_argument::set_script_info): New function.
2338         (Input_argument::script_info): New function.
2339         (Input_argument::script_info_): New data member; adjust all
2340         constructors.
2341         (Input_file_group::add_file): Return reference to new input argument.
2342         (Input_file_lib::add_file): Likewise.
2343         (Input_arguments::add_file): Likewise.
2344         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2345         * script.cc (Parser_closure::Parser_closure): Add script_info
2346         parameter; adjust all callers.
2347         (Parser_closure::script_info): New function.
2348         (Parser_closure::script_info_): New data member.
2349         (read_input_script): Report scripts earlier to incremental info.
2350         (script_add_file): Set script_info in Input_argument.
2351         (script_add_library): Likewise.
2352         * script.h (Script_options::Script_info): Rewrite class.
2353
2354 2011-03-29  Cary Coutant  <ccoutant@google.com>
2355
2356         * archive.cc (Library_base::should_include_member): Move
2357         method here from class Archive.
2358         (Archive::Archive): Initialize base class.
2359         (Archive::should_include_member): Move to base class.
2360         (Archive::do_for_all_unused_symbols): New function.
2361         (Add_archive_symbols::run): Remove redundant access to
2362         incremental_inputs.
2363         (Lib_group::Lib_group): Initialize base class.
2364         (Lib_group::do_filename): New function.
2365         (Lib_group::include_member): Pass pointer to Lib_group to
2366         report_object.
2367         (Lib_group::do_for_all_unused_symbols): New function.
2368         (Add_lib_group_symbols::run): Report archive information for
2369         incremental links.
2370         * archive.h (class Library_base): New base class.
2371         (class Archive): Derive from Library_base.
2372         (Archive::filename): Move to base class.
2373         (Archive::set_incremental_info): Likewise.
2374         (Archive::incremental_info): Likewise.
2375         (Archive::Should_include): Likewise.
2376         (Archive::should_include_member): Likewise.
2377         (Archive::Armap_entry): Remove.
2378         (Archive::Unused_symbol_iterator): Remove.
2379         (Archive::unused_symbols_begin): Remove.
2380         (Archive::unused_symbols_end): Remove.
2381         (Archive::do_filename): New function.
2382         (Archive::do_get_mtime): New function.
2383         (Archive::do_for_all_unused_symbols): New function.
2384         (Archive::task_): Move to base class.
2385         (Archive::incremental_info_): Likewise.
2386         (class Lib_group): Derive from Library_base.
2387         (Lib_group::do_filename): New function.
2388         (Lib_group::do_get_mtime): New function.
2389         (Lib_group::do_for_all_unused_symbols): New function.
2390         (Lib_group::task_): Move to base class.
2391         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2392         function.
2393         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2394         function.
2395         * incremental.cc (Incremental_inputs::report_archive_begin):
2396         Use Library_base; call library's get_mtime; add incremental inputs
2397         entry before members.
2398         (class Unused_symbol_visitor): New class.
2399         (Incremental_inputs::report_archive_end): Use Library_base; use
2400         visitor class to record unused symbols; don't add incremental inputs
2401         entry after members.
2402         (Incremental_inputs::report_object): Use Library_base.
2403         * incremental.h
2404         (Incremental_archive_entry::Incremental_archive_entry): Remove
2405         unused Archive parameter.
2406         (Incremental_inputs::report_archive_begin): Use Library_base.
2407         (Incremental_inputs::report_archive_end): Likewise.
2408         (Incremental_inputs::report_object): Likewise.
2409         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2410         function.
2411         * object.h (Object::for_all_global_symbols): New function.
2412         (Object::do_for_all_global_symbols): New function.
2413         (Sized_relobj::do_for_all_global_symbols): New function.
2414         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2415         function.
2416         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2417         function.
2418
2419 2011-03-27  Ian Lance Taylor  <iant@google.com>
2420
2421         * archive.cc (Archive::interpret_header): Return -1 if something
2422         goes wrong.  Change callers accordingly.
2423
2424 2011-03-25  Cary Coutant  <ccoutant@google.com>
2425
2426         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2427         * testsuite/Makefile.in: Regenerate.
2428
2429 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2430
2431         * plugin.cc (get_view): New.
2432         (Plugin::load): Pass get_view to the plugin.
2433         (Plugin_manager::get_view): New.
2434
2435 2011-03-21  Ian Lance Taylor  <iant@google.com>
2436
2437         * testsuite/final_layout.sh: Rewrite to not use dc.
2438         * testsuite/relro_test.sh: Fail if dc is not present.
2439
2440 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2441
2442         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2443         Change == to -eq.
2444         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2445         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2446         Change == to -eq.
2447         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2448         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2449
2450 2011-03-14  Ian Lance Taylor  <iant@google.com>
2451
2452         * script-sections.cc (Sort_output_sections::script_compare):
2453         Rename from is_before, change return type.
2454         (Sort_output_sections::operator()): Adjust accordingly.
2455
2456 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2457
2458         PR gold/12572
2459         * testsuite/odr_violation2.cc: Add comment to make all error line
2460         numbers double digits.
2461         * testsuite/debug_msg.sh: Adjust expected errors.
2462
2463 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2464
2465         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2466         but mark earlier ones as non-canonical
2467         (offset_to_iterator): Update search target and example
2468         (do_addr2line): Return extra lines in a vector*
2469         (format_file_lineno): Extract from do_addr2line
2470         (one_addr2line): Add vector* out-param
2471         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2472         when a lineno entry appeared last for its instruction
2473         (Dwarf_line_info): Add vector* out-param
2474         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2475         * symtab.cc (Odr_violation_compare): Include the lineno in the
2476         comparison again.
2477         (linenos_from_loc): New. Combine the canonical line for an
2478         address with its other lines.
2479         (True_if_intersect): New. Helper functor to make
2480         std::set_intersection a query.
2481         (detect_odr_violations): Compare sets of lines instead of just
2482         one line for each function. This became less deterministic, but
2483         has fewer false positives.
2484         * symtab.h: Declarations.
2485         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2486         mix an optimized and non-optimized object in the same binary
2487         (odr_violation2.so): Same.
2488         * testsuite/Makefile.in: Regenerate from Makefile.am.
2489         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2490         * testsuite/debug_msg.sh: Update line numbers and add
2491         assertions.
2492         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2493         non-optimized context.
2494         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2495         isn't inlined, and use OdrDerived in an optimized context.
2496         * testsuite/odr_header1.h: Defines OdrDerived, where
2497         optimization will change the
2498         first-instruction-in-the-destructor's file and line number.
2499         * testsuite/odr_header2.h: Defines OdrBase.
2500
2501 2011-03-09  Ian Lance Taylor  <iant@google.com>
2502
2503         * fileread.cc (File_read::clear_views): Don't delete the whole
2504         file view.
2505
2506 2011-03-08  Ian Lance Taylor  <iant@google.com>
2507
2508         PR gold/12525
2509         * fileread.cc: #include <climits>.
2510         (GOLD_IOV_MAX): Define.
2511         (File_read::read_multiple): Limit number of entries by iov_max.
2512         * fileread.h (class File_read): Always set max_readv_entries to
2513         128.
2514
2515 2011-03-07  Ian Lance Taylor  <iant@google.com>
2516
2517         PR gold/12525
2518         * options.h (class General_options): Add -dy and -dn.
2519
2520 2011-03-02  Cary Coutant  <ccoutant@google.com>
2521
2522         * testsuite/script_test_9.t: Add TLS segment.
2523
2524 2011-03-02  Simon Baldwin  <simonb@google.com>
2525
2526         * configure.ac: Add check for gnu_indirect_function support in
2527         the toolchain building binutils.
2528         * configure: Rebuild.
2529
2530 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2531
2532         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2533         plugin only symbols.
2534         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2535         in plugin files as not needed in the symbol table.
2536
2537 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2538
2539         * output.cc (Output_section::add_input_section): Delay fill
2540         generation for section ordering.
2541
2542 2011-02-09  Ian Lance Taylor  <iant@google.com>
2543
2544         PR gold/12316
2545         * object.h (class Sized_relobj): Remove clear_local_symbols.
2546         * reloc.cc (Sized_relobj::do_relocate): Don't call
2547         clear_local_symbols.
2548
2549 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2550
2551         * plugin.cc (is_visible_from_outside): Return true for symbols
2552         in the -u option.
2553
2554 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2555
2556         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2557         filename.
2558
2559 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2560
2561         * icf.h (is_section_foldable_candidate): Change type of parameter
2562         to std::string.
2563         * icf.cc (Icf::find_identical_sections): Change type of local variable
2564         section_name to be std::string.
2565         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2566
2567 2011-01-25  Ian Lance Taylor  <iant@google.com>
2568
2569         * script.cc (script_add_extern): Rewrite to use
2570         add_symbol_reference.
2571
2572 2011-01-25  Doug Kwan  <dougkwan@google.com>
2573
2574         * icf.cc (get_section_contents): Always lock section's object.
2575
2576 2011-01-24  Ian Lance Taylor  <iant@google.com>
2577
2578         * options.h (class General_options): Accept
2579         --no-detect-odr-violations.
2580
2581 2011-01-24  Ian Lance Taylor  <iant@google.com>
2582
2583         * version.cc (version_string): Bump to 1.11.
2584
2585 2011-01-24  Ian Lance Taylor  <iant@google.com>
2586
2587         * plugin.cc (class Plugin_rescan): Define new class.
2588         (Plugin_manager::claim_file): Set any_claimed_.
2589         (Plugin_manager::save_archive): New function.
2590         (Plugin_manager::save_input_group): New function.
2591         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2592         necessary.
2593         (Plugin_manager::new_undefined_symbol): New function.
2594         (Plugin_manager::rescan): New function.
2595         (Plugin_manager::rescannable_defines): New function.
2596         (Plugin_manager::add_input_file): Set any_added_.
2597         * plugin.h (class Plugin_manager): define new fields rescannable_,
2598         undefined_symbols_, any_claimed_, and any_added_.  Declare
2599         Plugin_rescan as friend.  Declare new functions.
2600         (Plugin_manager::Rescannable): Define type.
2601         (Plugin_manager::Rescannable_list): Define type.
2602         (Plugin_manager::Undefined_symbol_list): Define type.
2603         (Plugin_manager::Plugin_manager): Initialize new fields.
2604         * archive.cc (Archive::defines_symbol): New function.
2605         (Add_archive_symbols::run): Pass archive to plugins if any.
2606         * archive.h (class Archive): Declare defines_symbol.
2607         * readsyms.cc (Input_group::~Input_group): New function.
2608         (Finish_group::run): Pass input_group to plugins if any.
2609         * readsyms.h (class Input_group): Declare destructor.
2610         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2611         any.
2612
2613 2011-01-10  Ian Lance Taylor  <iant@google.com>
2614
2615         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2616         section as relro.
2617         (Layout::set_segment_offsets): Reset increase_relro before calling
2618         set_section_addresses a second time.
2619
2620 2011-01-04  Cary Coutant  <ccoutant@google.com>
2621
2622         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2623         sections before NOBITS sections.
2624
2625 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2626
2627         * version.cc (print_version): Update copyright to 2011.
2628
2629 2010-12-23  Cary Coutant  <ccoutant@google.com>
2630
2631         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2632         of OS to this->add.  Add OD parameter to second form of the function.
2633
2634 2010-12-20  Ian Lance Taylor  <iant@google.com>
2635
2636         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2637         second of two consecutive entries with same offset.
2638
2639 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2640
2641         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2642         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2643         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2644         to avoid unneeded links against $(LDADD).
2645         * testsuite/Makefile.in: Regenerate.
2646
2647 2010-12-15  Ian Lance Taylor  <iant@google.com>
2648
2649         PR gold/12324
2650         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2651         for R_X86_64_32 and R_X86_64_PC32.
2652         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2653         ver_matching_def_pic.o.
2654         (ver_matching_def_pic.o): New target.
2655
2656 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2657
2658         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2659         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2660         Move definition before File_read::View member definitions.
2661         (File_read::View::~View): Initialize and hold lock before
2662         updating current_mapped_bytes.
2663
2664 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2665
2666         * dwarf_reader.cc: Remove outdated comment.
2667         * gold-threads.cc: Fix typo in error message.
2668         * archive.cc: Fix typos in comments.
2669         * archive.h: Likewise.
2670         * arm-reloc-property.cc: Likewise.
2671         * arm-reloc-property.h: Likewise.
2672         * arm-reloc.def: Likewise.
2673         * arm.cc: Likewise.
2674         * attributes.h: Likewise.
2675         * cref.cc: Likewise.
2676         * ehframe.cc: Likewise.
2677         * fileread.h: Likewise.
2678         * gold.h: Likewise.
2679         * i386.cc: Likewise.
2680         * icf.cc: Likewise.
2681         * incremental.h: Likewise.
2682         * int_encoding.cc: Likewise.
2683         * layout.h: Likewise.
2684         * main.cc: Likewise.
2685         * merge.h: Likewise.
2686         * object.cc: Likewise.
2687         * object.h: Likewise.
2688         * options.cc: Likewise.
2689         * readsyms.cc: Likewise.
2690         * reduced_debug_output.cc: Likewise.
2691         * reloc.cc: Likewise.
2692         * script-sections.cc: Likewise.
2693         * sparc.cc: Likewise.
2694         * symtab.h: Likewise.
2695         * target-reloc.h: Likewise.
2696         * target.cc: Likewise.
2697         * target.h: Likewise.
2698         * timer.cc: Likewise.
2699         * timer.h: Likewise.
2700         * x86_64.cc: Likewise.
2701
2702 2010-12-09  Cary Coutant  <ccoutant@google.com>
2703
2704         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2705         stack.
2706         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2707         parameter; change all callers.
2708         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2709         * options.h (warn_execstack): New option.
2710
2711 2010-12-07  Doug Kwan  <dougkwan@google.com>
2712
2713         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2714         like function call relocations.
2715
2716 2010-12-07  Ian Lance Taylor  <iant@google.com>
2717
2718         * archive.cc (Archive::get_elf_object_for_member): Permit
2719         punconfigured to be NULL.
2720         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2721         (Archive::include_member): Pass NULL to get_elf_object_for_member
2722         if we searched for the archive and this is the first included
2723         object.
2724
2725 2010-12-01  Ian Lance Taylor  <iant@google.com>
2726
2727         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2728         track_relocs_type_ field.
2729         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2730         Set track_relocs_type_.
2731         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2732         contents when using RELA relocs.
2733         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2734         reloc_map_.
2735         * reloc.cc (Track_relocs::next_addend): New function.
2736         * reloc.h (class Track_relocs): Declare next_addend.
2737
2738 2010-12-01  Ian Lance Taylor  <iant@google.com>
2739
2740         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2741         virtual destructor.
2742
2743 2010-12-01  Ian Lance Taylor  <iant@google.com>
2744
2745         * README: Update compilers known to work and fail.
2746
2747 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2748
2749         * configure.in: For --enable-gold, handle value `default' instead of
2750         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2751         not the default.
2752         * configure: Regenerate.
2753
2754 2010-11-18  Doug Kwan  <dougkwan@google.com>
2755
2756         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2757         and right_alignment to be zero.  Store result alignment only if it is
2758         greater than existing alignment.
2759
2760 2010-11-16  Cary Coutant  <ccoutant@google.com>
2761
2762         PR gold/12220
2763         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2764         Check for ".zdebug_line".
2765
2766 2010-11-16  Doug Kwan  <dougkwan@google.com>
2767             Cary Coutant  <ccoutant@google.com>
2768
2769         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2770         by reference; adjust all callers.
2771         * output.cc (Output_segment::set_section_addresses): Adjust references
2772         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2773         list is empty.
2774         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2775         end at page boundary.
2776
2777 2010-11-16  Cary Coutant  <ccoutant@google.com>
2778
2779         PR gold/12220
2780         * layout.cc (Layout::choose_output_section): Transform names of
2781         compressed sections even when using a script with a SECTIONS clause.
2782         (Layout::output_section_name): Remove code to transform
2783         compressed debug section names.
2784         * output.cc (Output_section::add_input_section): Use uncompressed
2785         section size when tracking input sections.
2786
2787 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2788
2789         * symtab.h (Symbol::NON_PIC_REF): Remove.
2790         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2791         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2792         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2793         (Symbol::use_plt_offset): Take a flags argument and pass it
2794         directly to needs_dynamic_reloc.  Restrict check for undefined
2795         weak symbols to function calls.
2796         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2797         (Target_arm::Scan::global): Use it.
2798         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2799         (Target_arm::Relocate::relocate): Likewise.
2800         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2801         parameter with an r_type parameter.  Use get_reference_flags
2802         to get the flags.
2803         (Target_arm::Relocate::relocate): Update accordingly.
2804         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2805         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2806         (Target_i386::Scan::global): Likewise.
2807         (Target_i386::Relocate::relocate): Likewise.
2808         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2809         parameter with an r_type parameter.  Use get_reference_flags
2810         to get the flags.
2811         (Target_i386::Relocate::relocate): Update accordingly.
2812         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2813         (Target_powerpc::Scan::global): Use it.
2814         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2815         (Target_powerpc::Relocate::relocate): Likewise.
2816         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2817         (Target_sparc::Scan::global): Use it.
2818         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2819         (Target_sparc::Relocate::relocate): Likewise.
2820         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2821         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2822         (Target_x86_64::Scan::global): Likewise.
2823         (Target_x86_64::Relocate::relocate): Likewise.
2824
2825 2010-11-08  Doug Kwan  <dougkwan@google.com>
2826             Cary Coutant  <ccoutant@google.com>
2827
2828         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2829         (Arm_exidx_merge_section::section_contents_): New data member.
2830         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2831         (Arm_input_section::~Arm_input_section): De-allocate memory.
2832         (Arm_input_section::original_contents_): New data member.
2833         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2834         in parameters instead of calling Object::section_contents without
2835         locking.
2836         (Arm_output_section::group_section): New parameter TASK.  Pass it
2837         to callees that need locking objects.
2838         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2839         to lock EXIDX input sections.  Fix a formatting issue.  Call
2840         Arm_exidx_merged_section::build_contents to create merged section
2841         contents.
2842         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2843         to lock object of stub table owner.
2844         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2845         TEXT_SIZE to initialize data member TEXT_SIZE_.
2846         (Arm_exidx_input_section::addralign): Fix typo in comment.
2847         (Arm_exidx_input_section::text_size): New method.
2848         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2849         that require locking objects.  Lock objects before scanning for stubs
2850         and updating local symbols.
2851         (Arm_input_section<big_endian>::init): Copy contents of original
2852         input section.
2853         (Arm_input_section<big_endian>::do_write): Use saved contents of
2854         original input section instead of calling Object::section_contents
2855         without locking.
2856         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2857         size without calling Object::section_size().
2858         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2859         for size.  Allocate a buffer for merged EXIDX entries.
2860         (Arm_exidx_merged_section::build_contents): New method.
2861         (Arm_exidx_merged_section::do_write): Move merge section contents
2862         building code to Arm_exidx_merged_section::build_contetns.  Write
2863         out contetns in buffer instead of building it on the fly.
2864         (Arm_relobj::make_exidx_input_section): Also pass text section size
2865         to Arm_exidx_input_section constructor.
2866         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2867         (Arm_dynobj::do_read_symbols): Fix memory leak.
2868         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2869         * target.h: (class Task): Add forward declaration.
2870         (Target::relax): Add new parameter TASK and pass it to
2871         Target::do_relax().
2872         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2873
2874 2010-11-05  Cary Coutant  <ccoutant@google.com>
2875
2876         PR gold/10708
2877         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2878         object when reading from the file.
2879         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2880         second layout pass.
2881         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2882         when reading section contents.
2883         (get_section_contents): Likewise.
2884         (icf::find_identical_sections): Likewise.
2885         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2886         object when reading from the file.
2887         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2888         the object when doing deferred section layout.
2889
2890 2010-11-03  Nick Clifton  <nickc@redhat.com>
2891
2892         PR gold/12001
2893         * script.h (class Symbol_assignment: name): New member.  Returns
2894         the name of the symbol.
2895         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2896         Returns true if the given symbol name is on the list of
2897         assignments wating to be processed.
2898         * archive.cc (should_incldue_member): If the symbol is undefined,
2899         check to see if it is on the list of symbols pending assignment.
2900
2901 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2902
2903         * script-sections.cc (Script_sections::find_memory_region): Check
2904         for a NULL output section pointer.
2905
2906 2010-10-29  Doug Kwan  <dougkwan@google.com>
2907
2908         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2909         Output_section::add_relaxed_input_section.
2910         * output.cc (Output_section::add_relaxed_input_section): Add new
2911         arguments LAYOUT and NAME.  Set section order index.
2912         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2913         Copy section order index.
2914         * output.h (Output_section::add_relaxed_input_section): Add new
2915         arguments LAYOUT and NAME.
2916
2917 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2918
2919         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2920         NATIVE_OR_CROSS_LINKER.
2921         * testsuite/Makefile.in: Regenerate.
2922
2923 2010-10-20  Doug Kwan  <dougkwan@google.com>
2924
2925         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2926         without SHF_LINK_ORDER flags.
2927         * layout.cc (Layout::choose_output_section): Do not filter
2928         SHF_LINK_ORDER flag in a relocatable link.
2929
2930 2010-10-17  Cary Coutant  <ccoutant@google.com>
2931
2932         * output.h (Output_segment::set_section_addresses): Change function
2933         signature.  Update all callers.
2934         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2935         sections.
2936         (Output_segment::set_section_addresses): Align after last TLS
2937         section.  Add padding before last relro section instead of after.
2938
2939 2010-10-17  Doug Kwan  <dougkwan@google.com>
2940
2941         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2942         GOT output section to be writable.
2943
2944 2010-10-14  Cary Coutant  <ccoutant@google.com>
2945
2946         * debug.h (DEBUG_INCREMENTAL): New flag.
2947         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2948         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2949         mode.
2950         * incremental.cc (report_command_line): Ignore all forms of
2951         --incremental.
2952         * layout.cc (Layout::Layout): Check parameters for incremental link
2953         mode.
2954         * options.cc (General_options::parse_incremental): New function.
2955         (General_options::parse_no_incremental): New function.
2956         (General_options::parse_incremental_full): New function.
2957         (General_options::parse_incremental_update): New function.
2958         (General_options::incremental_mode_): New data member.
2959         (General_options::finalize): Check incremental_mode_.
2960         * options.h (General_options): Update help text for --incremental.
2961         Add --no-incremental, --incremental-full, --incremental-update.
2962         (General_options::Incremental_mode): New enum type.
2963         (General_options::incremental_mode): New function.
2964         (General_options::incremental_mode_): New data member.
2965         * parameters.cc (Parameters::incremental_mode_): New data member.
2966         (Parameters::set_options): Set incremental_mode_.
2967         (Parameters::set_incremental_full): New function.
2968         (Parameters::incremental): New function.
2969         (Parameters::incremental_update): New function.
2970         (set_parameters_incremental_full): New function.
2971         * parameters.h (Parameters::set_incremental_full): New function.
2972         (Parameters::incremental): New function.
2973         (Parameters::incremental_update): New function.
2974         (Parameters::incremental_mode_): New data member.
2975         (set_parameters_incremental_full): New function.
2976         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2977         incremental link mode.
2978         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2979         (Sized_relobj::do_relocate_sections): Likewise.
2980         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2981         option.
2982         * testsuite/Makefile.in: Regenerate.
2983         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2984
2985 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2986
2987         * script-sections.h (class Script_sections): Make
2988         Sections_elements typedef public.
2989         * script-sections.cc (class Sort_output_sections): Add elements_
2990         field.  Add constructor which sets it; change all callers.
2991         (Sort_output_sections::is_before): New function.
2992         (Sort_output_sections::operator()): Call is_before.
2993         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2994         conditional.
2995         * testsuite/script_test_10.sh: New test. Test script section
2996         order.
2997         * testsuite/script_test_10.t: Likewise.
2998         * testsuite/script_test_10.s: Likewise.
2999         * testsuite/Makefile.am: Wrap the cross linker tests and the
3000         common tests into NATIVE_OR_CROSS_LINKER.
3001         (check_SCRIPTS): Add script_test_10.sh.
3002         (check_DATA): Add script_test_10.stdout.
3003         (script_test_10.o, script_test_10): New targets.
3004         (script_test_10.stdout): New target.
3005         * configure, testsuite/Makefile.in: Regenerate.
3006
3007 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3008
3009         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3010         error for the deprecated relocations.
3011         (Target_arm::Scan::global): Likewise.
3012         (Target_arm::Relocate::relocate): Likewise.
3013
3014 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3015
3016         * fileread.cc (Input_file::find_file): Initialize *found_name
3017         and *namep when using the fallback search for case 4.
3018
3019 2010-10-11  Cary Coutant  <ccoutant@google.com>
3020
3021         * options.h (class General_options): Redefine -z lazy as an alias for
3022         the negation of -z now.
3023
3024 2010-10-11  Ian Lance Taylor  <iant@google.com>
3025
3026         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3027         binding.
3028
3029 2010-10-06  Nick Clifton  <nickc@redhat.com>
3030
3031         * script-sections.cc(class Memory_region): Remove
3032         current_lma_offset_ field.  Rename current_vma_offset_ to
3033         current_offset_.  Add last_section_ field.
3034         (Memory_region::get_current_vma_address): Rename to
3035         get_current_address.
3036         (Memory_region::get_current_lma_address): Delete.
3037         (Memory_region::increment_vma_offset): Rename to
3038         increment_offset.
3039         (Memory_region::increment_lma_offset): Delete.
3040         (Memory_region::attributes_compatible): New method.  Returns
3041         true if the provided section is compatible with the region.
3042         (Memory_region::get_last_section): New method.  Returns the last
3043         section to use the region.
3044         (Memory_region::set_last_section): New method.  Stores the last
3045         section to use the region.
3046         (Script_sections::block_in_region): New method.  Returns true if
3047         a block of memory is contained within a region.
3048         (Script_sections::find_memory_region): New method.  Locates a
3049         memory region to be used to set a VMA or LMA address.
3050         (Output_section_definition::set_section_addresses): Add code to
3051         check for addresses set by memory regions.
3052         (Output_segment::set_section_addresses): Remove memory region
3053         walking code.
3054         (Script_sections::create_segment): Add a warning if a header
3055         segment is created outside of any region.
3056         * script-sections.h (class Script_sections): Add prototypes for
3057         find_memory_region and block_in_region methods.
3058         * testsuite/memory_test.s: Use .long instead of .word.
3059         * testsuite/memory_test.t: Add some more output sections.
3060         * testsuite/memory_test.sh: Update expected output.
3061
3062 2010-10-02  Doug Kwan  <dougkwan@google.com>
3063
3064         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3065         defintion to symtab.h
3066         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3067         declaration to defintion.
3068
3069 2010-10-01  Nick Clifton  <nickc@redhat.com>
3070
3071         * expression.cc (eval): Replace dummy argument with NULL.
3072         (eval_maybe_dot): Check for a NULL result section pointer.
3073         (Symbol_expression::value): Likewise.
3074         (Dot_expression::value): Likewise.
3075         (BINARY_EXPRESSION): Likewise.
3076         (Max_expression::value): Likewise.
3077         (Min_expression::value): Likewise.
3078         (Absolute_expression::value): Likewise.
3079         (Addr_expression::value_from_output_section): Likewise.
3080         (Loaddddr_expression::value_from_output_section): Likewise.
3081         (Segment_start_expression::value): Likewise.
3082         * script-sections.cc
3083         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3084         argument with NULL.
3085         (Sections_elememt_dot_assignment::set_section_addresses):
3086         Likewise.
3087         (Output_data_expression::do_write_to_buffer): Likewise.
3088         (Output_section_definition::finalize_symbols): Likewise.
3089         (Output_section_definition::set_section_addresses): Likewise.
3090
3091 2010-09-30  Doug Kwan  <dougkwan@google.com>
3092
3093         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3094
3095 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3096
3097         * target.h (Target::can_icf_inline_merge_sections): New virtual
3098         function.
3099         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3100         virtual function.
3101         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3102         virtual function.
3103         * icf.cc (get_section_contents): Inline merge sections only when
3104         target allows it.
3105
3106 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3107
3108         * configure: Regenerate.
3109
3110 2010-09-17  Ian Lance Taylor  <iant@google.com>
3111
3112         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3113         * testsuite/Makefile.am (memory_test.o): New target.
3114         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3115         memory_test.t.
3116         * testsuite/Makefile.in: Rebuild.
3117
3118 2010-09-17  Doug Kwan  <dougkwan@google.com>
3119
3120         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3121         defintion if relocation uses GOT entries of the symbol.
3122         * testsuite/icf_safe_test.sh: Fix test.
3123         * testsuite/icf_safe_so_test.sh: Fix test.
3124
3125 2010-09-16  Cary Coutant  <ccoutant@google.com>
3126
3127         * script_sections.cc (class Memory_region): Remove "NULL" from
3128         vector initializations.
3129
3130 2010-09-15  Cary Coutant  <ccoutant@google.com>
3131
3132         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3133         Resolve forwarding symbols.
3134
3135 2010-09-15  Doug Kwan  <dougkwan@google.com>
3136
3137         * gold/testsuite/script_test_3.t: Add ARM special sections.
3138         * gold/testsuite/script_test_4.t: Same.
3139         * gold/testsuite/script_test_5.t: Same.
3140         * gold/testsuite/script_test_6.t: Same.
3141         * gold/testsuite/script_test_7.t: Same.
3142         * gold/testsuite/script_test_7.t: Same.
3143         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3144
3145 2010-09-14  Cary Coutant  <ccoutant@google.com>
3146
3147         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3148         (Target_x86_64::Relocate::relocate_tls): Replace check for
3149         saw_tls_block_reloc_ with test for executable section.
3150
3151 2010-09-12  Cary Coutant  <ccoutant@google.com>
3152
3153         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3154         position-independent executables to shared libraries need dynamic
3155         relocations.
3156         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3157         position-independent executables.
3158         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3159         * testsuite/Makefile.in: Regenerate.
3160
3161 2010-09-10  Nick Clifton  <nickc@redhat.com>
3162
3163         PR gold/11997
3164         * testsuite/memory_test.t: Discard any sections that are not
3165         needed.
3166
3167 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3168
3169         PR gold/11996
3170         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3171         "This::" to work around a bug in gcc 4.2.
3172
3173         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3174
3175 2010-09-09  Rafael Espindola  <espindola@google.com>
3176
3177         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3178         sections with different PF_X flags in the same segment.
3179         (Layout::find_first_load_seg): Search all segments to find the first
3180         one.
3181         * options.h (rosegment): New.
3182
3183 2010-09-08  Rafael Espindola  <espindola@google.com>
3184
3185         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3186
3187 2010-09-08  Doug Kwan  <dougkwan@google.com>
3188
3189         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3190         (Arm_relobj::do_relocate_sections): Add new parameter for output
3191         file to match the parent.
3192         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3193         of local symbols instead of input values.  Update code to track
3194         changes in gold::relocate_section.
3195         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3196         (Sized_relobj::compute_final_local_value_internal): New methods.
3197         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3198         body into private version of Sized_relobj::compute_final_local_value.
3199         Call the inline method.
3200         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3201         merged symbol value if there is one.
3202         (Symbol_value::has_output_value): New method defintiion.
3203         (Sized_relobj::Compute_final_local_value_status): New enum type.
3204         (Sized_relobj::compute_final_local_value): New methods.
3205         (Sized_relobj::compute_final_local_value_internal): New methods.
3206         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3207         and arm_cortex_a8.sh.
3208         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3209         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3210         New tests.
3211         * Makefile.in: Regenerate.
3212         * testsuite/arm_bl_out_of_range.s: Update test.
3213         * testsuite/thumb_bl_out_of_range.s: Ditto.
3214         * testsuite/thumb_blx_out_of_range.s: Ditto.
3215         * testsuite/arm_branch_out_of_range.sh: New file.
3216         * testsuite/arm_cortex_a8.sh: Ditto.
3217         * testsuite/arm_cortex_a8_b.s: Ditto.
3218         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3219         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3220         * testsuite/arm_cortex_a8_bl.s: Ditto.
3221         * testsuite/arm_cortex_a8_blx.s: Ditto.
3222         * testsuite/arm_cortex_a8_local.s: Ditto.
3223         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3224         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3225
3226 2010-09-08  Rafael Espindola  <espindola@google.com>
3227
3228         * Makefile.am (memory_test.stdout): Run readelf with -W.
3229         * Makefile.in: Regenerate.
3230         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3231         64 bit output.
3232
3233 2010-09-08  Rafael Espindola  <espindola@google.com>
3234
3235         * script-sections.cc (Script_sections::add_memory_region): Convert
3236         field precision to int.
3237         * script.cc (script_set_section_region, script_set_section_region):
3238         Convert field precision to int.
3239
3240 2010-09-08  Rafael Espindola  <espindola@google.com>
3241
3242         * arm.cc (do_finalize_sections): Create the __exidx_start and
3243         __exdix_end symbols even when the section is missing.
3244
3245 2010-09-08  Nick Clifton  <nickc@redhat.com>
3246
3247         * README: Remove claim that MEMORY is not supported.
3248         * expression.cc (script_exp_function_origin)
3249         (script_exp_function_length): Move from here to ...
3250         * script.cc: ... here.
3251         (script_set_section_region, script_add_memory)
3252         (script_parse_memory_attr, script_include_directive): New
3253         functions.
3254         * script-sections.cc
3255         (class Memory_region): New class.
3256         (class Output_section_definition): Add set_memory_region,
3257         set_section_vma, set_section_lma and get_section_name methods.
3258         (class Script_Sections): Add add_memory_region,
3259         find_memory_region, find_memory_region_origin,
3260         find_memory_region_length and set_memory_region methods.
3261         Have set_section_addresses method walk the list of set memory
3262         regions.
3263         Extend the print methos to display memory regions.
3264         * script-sections.h: Add prototypes for new methods.
3265         Add enum for MEMORY region attributes.
3266         * yyscript.y: Add support for parsing MEMORY regions.
3267         * script-c.h: Add prototypes for new functions.
3268         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3269         * testsuite/Makefile.in: Regenerate.
3270         * testsuite/memory_test.sh: New script.
3271         * testsuite/memory_test.s: New assembler source file.
3272         * testsuite/memory_test.t: New linker script.
3273
3274 2010-08-27  Doug Kwan  <dougkwan@google.com>
3275
3276         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3277         reference override an existing dynamic weak reference.
3278         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3279         * testsuite/Makefile.in: Regenerate.
3280         * testsuite/dyn_weak_ref.sh: New file.
3281         * testsuite/dyn_weak_ref_1.c: Ditto.
3282         * testsuite/dyn_weak_ref_2.c: Ditto.
3283
3284 2010-08-27  Ian Lance Taylor  <iant@google.com>
3285
3286         * incremental.h (class Incremental_input_entry): Add virtual
3287         destructor.
3288
3289 2010-08-27  Ian Lance Taylor  <iant@google.com>
3290
3291         * testsuite/start_lib_test_3.c: Mark t3 as used.
3292
3293 2010-08-27  Nick Clifton  <nickc@redhat.com>
3294
3295         * options.cc (version_script): Fix small typo in previous
3296         whitespace tidyup.
3297
3298 2010-08-25  Nick Clifton  <nickc@redhat.com>
3299
3300         * archive.cc: Formatting fixes: Remove whitespace between
3301         typename and following asterisk.  Remove whitespace between
3302         function name and opening parenthesis.
3303         * archive.h: Likewise.
3304         * arm.cc: Likewise.
3305         * attributes.cc: Likewise.
3306         * attributes.h: Likewise.
3307         * common.cc: Likewise.
3308         * copy-relocs.cc: Likewise.
3309         * dirsearch.h: Likewise.
3310         * dynobj.cc: Likewise.
3311         * ehframe.cc: Likewise.
3312         * ehframe.h: Likewise.
3313         * expression.cc: Likewise.
3314         * fileread.cc: Likewise.
3315         * fileread.h: Likewise.
3316         * gc.h: Likewise.
3317         * gold-threads.cc: Likewise.
3318         * gold.cc: Likewise.
3319         * i386.cc: Likewise.
3320         * icf.h: Likewise.
3321         * incremental-dump.cc: Likewise.
3322         * incremental.cc: Likewise.
3323         * layout.cc: Likewise.
3324         * layout.h: Likewise.
3325         * main.cc: Likewise.
3326         * merge.cc: Likewise.
3327         * merge.h: Likewise.
3328         * object.cc: Likewise.
3329         * object.h: Likewise.
3330         * options.cc: Likewise.
3331         * options.h: Likewise.
3332         * output.cc: Likewise.
3333         * output.h: Likewise.
3334         * plugin.cc: Likewise.
3335         * plugin.h: Likewise.
3336         * powerpc.cc: Likewise.
3337         * reloc.cc: Likewise.
3338         * script-c.h: Likewise.
3339         * script-sections.cc: Likewise.
3340         * script.cc: Likewise.
3341         * stringpool.cc: Likewise.
3342         * symtab.cc: Likewise.
3343         * symtab.h: Likewise.
3344         * target.cc: Likewise.
3345         * timer.cc: Likewise.
3346         * timer.h: Likewise.
3347         * version.cc: Likewise.
3348         * x86_64.cc: Likewise.
3349
3350 2010-08-24  Nick Clifton  <nickc@redhat.com>
3351
3352         PR 11899
3353         * layout.cc (segment_precedes): Sort segments by their physical
3354         addresses, if they have been set.
3355
3356 2010-08-23  Cary Coutant  <ccoutant@google.com>
3357
3358         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3359         symbols data.
3360         (Lib_group::include_member): Unlock object after deleting its
3361         symbols data.
3362         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3363         the bug fixed here.
3364
3365 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3366             Cary Coutant  <ccoutant@google.com>
3367
3368         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3369         constructor, and set_blocker.
3370         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3371         readsyms_blocker_.
3372         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3373         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3374         * testsuite/Makefile.am (start_lib_test): New test case.
3375         * testsuite/Makefile.in: Regenerate.
3376         * testsuite/start_lib_test_main.c: New file.
3377         * testsuite/start_lib_test_1.c: New file.
3378         * testsuite/start_lib_test_2.c: New file.
3379         * testsuite/start_lib_test_3.c: New file.
3380
3381 2010-08-19  Ian Lance Taylor  <iant@google.com>
3382
3383         * Makefile.in: Rebuild with automake 1.11.1.
3384         * aclocal.m4: Likewise.
3385         * testsuite/Makefile.in: Likewise.
3386
3387 2010-08-19  Ian Lance Taylor  <iant@google.com>
3388
3389         PR 10893
3390         * i386.cc (class Output_data_plt_i386): Update declarations.
3391         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3392         local_ifuncs_ fields.
3393         (Target_i386::do_plt_section_for_global): New function.
3394         (Target_i386::do_plt_section_for_local): New function.
3395         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3396         parameter; change all callers.  Initialize global_ifuncs_ and
3397         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3398         __rel_iplt_end.
3399         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3400         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3401         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3402         symbols.
3403         (Target_i386::make_plt_section): New function, broken out of
3404         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3405         (Target_i386::make_plt_entry): Call make_plt_section.
3406         (Target_i386::make_local_ifunc_plt_entry): New function.
3407         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3408         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3409         R_386_IRELATIVE to switch.
3410         (Target_i386::Scan::global): Likewise.
3411         (Target_i386::Relocate::relocate): Likewise.
3412         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3413         switch.
3414         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3415         (Target_x86_64::do_plt_section_for_global): New function.
3416         (Target_x86_64::do_plt_section_for_local): New function.
3417         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3418         parameter; change all callers.  If doing a static link define
3419         __rela_iplt_start and __rela_iplt_end.
3420         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3421         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3422         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3423         to point to .plt.
3424         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3425         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3426         switch.
3427         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3428         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3429         R_X86_64_IRELATIVE to switch.
3430         (Target_x86_64::Scan::global): Likewise.
3431         (Target_x86_64::Relocate::relocate): Likewise.
3432         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3433         switch.
3434         * target.h (class Target): Add plt_section_for_global and
3435         plt_section_for_local functions.  Add do_plt_section_for_global
3436         and do_plt_section_for_local virtual functions.
3437         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3438         clarifying comments.
3439         (Symbol::use_plt_offset): Handle IFUNC symbol.
3440         * object.cc (Sized_relobj::Sized_relobj): Initialize
3441         local_plt_offsets_.
3442         (Sized_relobj::local_has_plt_offset): New function.
3443         (Sized_relobj::local_plt_offset): New function.
3444         (Sized_relobj::set_local_plt_offset): New function.
3445         (Sized_relobj::do_count): Handle IFUNC symbol.
3446         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3447         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3448         is_ifunc_symbol functions.
3449         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3450         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3451         local_plt_offsets_ field.
3452         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3453         * output.h (class Output_section_data): Add non-const
3454         output_section function.
3455         (class Output_data_got): Update declarations.
3456         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3457         Add use_plt_offset parameter to global and local constructors.
3458         Change all callers.  Change local_sym_index_ field to 31 bits.
3459         Change GSYM_CODE and CONSTANT_CODE accordingly.
3460         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3461         doing a static link don't set sh_link field.
3462         (Output_data_got::Got_entry::write): Use PLT offset if
3463         appropriate.
3464         (Output_data_got::add_global_plt): New function.
3465         (Output_data_got::add_local_plt): New function.
3466         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3467         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3468         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3469         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3470         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3471         IFUNC conditional.
3472         * testsuite/ifunc-sel.h: New file.
3473         * testsuite/ifuncmain1.c: New file.
3474         * testsuite/ifuncmain1vis.c: New file.
3475         * testsuite/ifuncmod1.c: New file.
3476         * testsuite/ifuncdep2.c: New file.
3477         * testsuite/ifuncmain2.c: New file.
3478         * testsuite/ifuncmain3.c: New file.
3479         * testsuite/ifuncmod3.c: New file.
3480         * testsuite/ifuncmain4.c: New file.
3481         * testsuite/ifuncmain5.c: New file.
3482         * testsuite/ifuncmod5.c: New file.
3483         * testsuite/ifuncmain6pie.c: New file.
3484         * testsuite/ifuncmod6.c: New file.
3485         * testsuite/ifuncmain7.c: New file.
3486         * configure, testsuite/Makefile.in: Rebuild.
3487
3488 2010-08-18  Ian Lance Taylor  <iant@google.com>
3489
3490         * incremental.cc
3491         (Output_section_incremental_inputs::write_input_files): Add cast
3492         to avoid signed/unsigned comparison warning.
3493         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3494
3495 2010-08-12  Cary Coutant  <ccoutant@google.com>
3496
3497         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3498
3499 2010-08-13  Ian Lance Taylor  <iant@google.com>
3500
3501         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3502
3503 2010-08-12  Cary Coutant  <ccoutant@google.com>
3504             Doug Kwan  <dougkwan@google.com>
3505
3506         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3507         defintion overrides non-weak undef, remember that the original undef
3508         is not weak.
3509         * symtab.cc (Symbol_table::sized_write_global): For undef without
3510         an original weak binding, set binding to global in output.
3511         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3512         * testsuite/Makefile.in: Regenerate.
3513         * testsuite/strong_ref_weak_def.sh: New file.
3514         * testsuite/strong_ref_weak_def_1.c: Ditto.
3515         * testsuite/strong_ref_weak_def_2.c: Ditto.
3516
3517 2010-08-12  Cary Coutant  <ccoutant@google.com>
3518
3519         * testsuite/incremental_test.sh: Rewrite.
3520         * testsuite/incremental_test_1.c: Rewrite.
3521         * testsuite/incremental_test_2.c: Rewrite.
3522
3523 2010-08-12  Cary Coutant  <ccoutant@google.com>
3524
3525         * arm.cc (Target_arm::got_size): Add const.
3526         (Target_arm::got_entry_count): New function.
3527         (Target_arm::plt_entry_count): New function.
3528         (Target_arm::first_plt_entry_offset): New function.
3529         (Target_arm::plt_entry_size): New function.
3530         (Output_data_plt_arm::entry_count): New function.
3531         (Output_data_plt_arm::first_plt_entry_offset): New function.
3532         (Output_data_plt_arm::get_plt_entry_size): New function.
3533         * i386.cc (Target_i386::got_size): Add const.
3534         (Target_i386::got_entry_count): New function.
3535         (Target_i386::plt_entry_count): New function.
3536         (Target_i386::first_plt_entry_offset): New function.
3537         (Target_i386::plt_entry_size): New function.
3538         (Output_data_plt_i386::entry_count): New function.
3539         (Output_data_plt_i386::first_plt_entry_offset): New function.
3540         (Output_data_plt_i386::get_plt_entry_size): New function.
3541         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3542         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3543         * incremental.cc: Include target.h.
3544         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3545         parameter.  Adjust all callers.  Find incremental_got_plt section.
3546         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3547         section.
3548         (Output_section_incremental_inputs::set_final_data_size): Calculate
3549         size of incremental_got_plt section.
3550         (Output_section_incremental_inputs::do_write): Write the
3551         incremental_got_plt section.
3552         (Got_plt_view_info): New struct.
3553         (Local_got_offset_visitor): New class.
3554         (Global_got_offset_visitor): New class.
3555         (Global_symbol_visitor_got_plt): New class.
3556         (Output_section_incremental_inputs::write_got_plt): New function.
3557         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3558         Add parameter.  Adjust all callers.
3559         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3560         (Incremental_inputs::got_plt_section): New function.
3561         (Incremental_inputs::got_plt_section_): New data member.
3562         (Incremental_got_plt_reader): New class.
3563         * layout.cc (Layout::create_incremental_info_sections): Add the
3564         incremental_got_plt section.
3565         * object.h (Got_offset_list::get_list): New function.
3566         (Got offset_list::for_all_got_offsets): New function.
3567         (Sized_relobj::local_got_offset_list): New function.
3568         * powerpc.cc (Target_powerpc::got_size): Add const.
3569         (Target_powerpc::got_entry_count): New function.
3570         (Target_powerpc::plt_entry_count): New function.
3571         (Target_powerpc::first_plt_entry_offset): New function.
3572         (Target_powerpc::plt_entry_size): New function.
3573         (Output_data_plt_powerpc::entry_count): New function.
3574         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3575         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3576         * sparc.cc (Target_sparc::got_size): Add const.
3577         (Target_sparc::got_entry_count): New function.
3578         (Target_sparc::plt_entry_count): New function.
3579         (Target_sparc::first_plt_entry_offset): New function.
3580         (Target_sparc::plt_entry_size): New function.
3581         (Output_data_plt_sparc::entry_count): New function.
3582         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3583         (Output_data_plt_sparc::get_plt_entry_size): New function.
3584         * symtab.h (Symbol::got_offset_list): New function.
3585         (Symbol_table::for_all_symbols): New function.
3586         * target.h (Sized_target::got_entry_count): New function.
3587         (Sized_target::plt_entry_count): New function.
3588         (Sized_target::plt_entry_size): New function.
3589         * x86_64.cc (Target_x86_64::got_size): Add const.
3590         (Target_x86_64::got_entry_count): New function.
3591         (Target_x86_64::plt_entry_count): New function.
3592         (Target_x86_64::first_plt_entry_offset): New function.
3593         (Target_x86_64::plt_entry_size): New function.
3594         (Output_data_plt_x86_64::entry_count): New function.
3595         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3596         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3597
3598 2010-08-12  Cary Coutant  <ccoutant@google.com>
3599
3600         * archive.cc: Include incremental.h.
3601         (Archive::Archive): Initialize incremental_info_.
3602         (Archive::include_member): Record archive members in incremental info.
3603         (Add_archive_symbols::run): Record begin and end of an archive in
3604         incremental info.
3605         (Lib_group::include_member): Record objects in incremental info.
3606         * archive.h (Incremental_archive_entry): Forward declaration.
3607         (Archive::set_incremental_info): New member function.
3608         (Archive::incremental_info): New member function.
3609         (Archive::Unused_symbol_iterator): New class.
3610         (Archive::unused_symbols_begin): New member function.
3611         (Archive::unused_symbols_end): New member function.
3612         (Archive::incremental_info_): New data member.
3613         * incremental-dump.cc (find_input_containing_global): New function.
3614         (dump_incremental_inputs): Dump new incremental info sections.
3615         * incremental.cc: Include symtab.h.
3616         (Output_section_incremental_inputs): New class.
3617         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3618         new incremental info sections.
3619         (Sized_incremental_binary::do_check_inputs): Likewise.
3620         (Incremental_inputs::report_archive): Remove.
3621         (Incremental_inputs::report_archive_begin): New function.
3622         (Incremental_inputs::report_archive_end): New function.
3623         (Incremental_inputs::report_object): New function.
3624         (Incremental_inputs::finalize_inputs): Remove.
3625         (Incremental_inputs::report_input_section): New function.
3626         (Incremental_inputs::report_script): Rewrite.
3627         (Incremental_inputs::finalize): Do nothing but finalize string table.
3628         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3629         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3630         (Incremental_inputs::create_data_sections): New function.
3631         (Incremental_inputs::relocs_entsize): New function.
3632         (Output_section_incremental_inputs::set_final_data_size): New function.
3633         (Output_section_incremental_inputs::do_write): New function.
3634         (Output_section_incremental_inputs::write_header): New function.
3635         (Output_section_incremental_inputs::write_input_files): New function.
3636         (Output_section_incremental_inputs::write_info_blocks): New function.
3637         (Output_section_incremental_inputs::write_symtab): New function.
3638         * incremental.h (Incremental_script_entry): Forward declaration.
3639         (Incremental_object_entry): Forward declaration.
3640         (Incremental_archive_entry): Forward declaration.
3641         (Incremental_inputs): Forward declaration.
3642         (Incremental_inputs_header_data): Remove.
3643         (Incremental_inputs_header): Remove.
3644         (Incremental_inputs_header_write): Remove.
3645         (Incremental_inputs_entry_data): Remove.
3646         (Incremental_inputs_entry): Remove.
3647         (Incremental_inputs_entry_write): Remove.
3648         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3649         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3650         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3651         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3652         Likewise.
3653         (Incremental_input_entry): New class.
3654         (Incremental_script_entry): New class.
3655         (Incremental_object_entry): New class.
3656         (Incremental_archive_entry): New class.
3657         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3658         (Incremental_inputs::report_inputs): Remove.
3659         (Incremental_inputs::report_archive): Remove.
3660         (Incremental_inputs::report_archive_begin): New function.
3661         (Incremental_inputs::report_archive_end): New function.
3662         (Incremental_inputs::report_object): Change prototype.
3663         (Incremental_inputs::report_input_section): New function.
3664         (Incremental_inputs::report_script): Change prototype.
3665         (Incremental_inputs::get_reloc_count): New function.
3666         (Incremental_inputs::set_reloc_count): New function.
3667         (Incremental_inputs::create_data_sections): New function.
3668         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3669         (Incremental_inputs::inputs_section): New function.
3670         (Incremental_inputs::symtab_section): New function.
3671         (Incremental_inputs::relocs_section): New function.
3672         (Incremental_inputs::get_stringpool): Add const.
3673         (Incremental_inputs::command_line): Add const.
3674         (Incremental_inputs::inputs): Remove.
3675         (Incremental_inputs::command_line_key): New function.
3676         (Incremental_inputs::input_file_count): New function.
3677         (Incremental_inputs::input_files): New function.
3678         (Incremental_inputs::relocs_entsize): New function.
3679         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3680         (Incremental_inputs::finalize_inputs): Remove.
3681         (Incremental_inputs::Input_info): Remove.
3682         (Incremental_inputs::lock_): Remove.
3683         (Incremental_inputs::inputs_): Change type.
3684         (Incremental_inputs::inputs_map_): Remove.
3685         (Incremental_inputs::current_object_entry_): New data member.
3686         (Incremental_inputs::inputs_section_): New data member.
3687         (Incremental_inputs::symtab_section_): New data member.
3688         (Incremental_inputs::relocs_section_): New data member.
3689         (Incremental_inputs::reloc_count_): New data member.
3690         (Incremental_inputs_reader): New class.
3691         (Incremental_symtab_reader): New class.
3692         (Incremental_relocs_reader): New class.
3693         * layout.cc (Layout::finalize): Move finalization of incremental info
3694         and creation of incremental info sections to follow finalization of
3695         symbol table.  Set offsets for postprocessing sections.
3696         (Layout::create_incremental_info_sections): Call
3697         Incremental_inputs::create_data_sections.  Add incremental symtab
3698         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3699         sections to layout after input sections.
3700         * layout.h (struct Timespec): Forward declaration.
3701         (Layout::incremental_inputs): Add const.
3702         (Layout::create_incremental_info_sections): Add parameter.
3703         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3704         * object.cc: Include incremental.h.
3705         (Relobj::finalize_incremental_relocs): New function.
3706         (Sized_relobj::do_layout): Record input sections in incremental info.
3707         * object.h (Object::output_section): New function.
3708         (Object::output_section_offset): Moved from Relobj.
3709         (Object::get_incremental_reloc_base): New function.
3710         (Object::get_incremental_reloc_count): New function.
3711         (Object::do_output_section): New function.
3712         (Object::do_output_section_offset): Moved from Relobj.
3713         (Object::do_get_incremental_reloc_base): New function.
3714         (Object::do_get_incremental_reloc_count): New function.
3715         (Object::Object): Initialize new data members.
3716         (Relobj::output_section): Renamed do_output_section and moved to
3717         protected.
3718         (Relobj::output_section_offset): Moved to Object.
3719         (Relobj::do_get_incremental_reloc_base): New function.
3720         (Relobj::do_get_incremental_reloc_count): New function.
3721         (Relobj::allocate_incremental_reloc_counts): New function.
3722         (Relobj::count_incremental_reloc): New function.
3723         (Relobj::finalize_incremental_relocs): New function.
3724         (Relobj::next_incremental_reloc_index): New function.
3725         (Relobj::reloc_counts_): New data member.
3726         (Relobj::reloc_bases_): New data member.
3727         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3728         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3729         (Sized_relobj::incremental_relocs_scan): New function.
3730         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3731         (Sized_relobj::incremental_relocs_write): New function.
3732         (Sized_relobj::incremental_relocs_write_reltype): New function.
3733         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3734         incremental link.
3735         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3736         archives and object files elsewhere.
3737         (Add_symbols::run): Report object files here.
3738         (Finish_group::run): Report end of archive at end of group.
3739         * reloc.cc: Include layout.h, incremental.h.
3740         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3741         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3742         (Sized_relobj::incremental_relocs_scan): New function.
3743         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3744         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3745         (Sized_relobj::incremental_relocs_write): New function.
3746         (Sized_relobj::incremental_relocs_write_reltype): New function.
3747         * script.cc (read_input_script): Rewrite test for incremental link.
3748         Change call to Incremental_inputs::report_script.
3749         * symtab.h (Symbol_table::first_global_index): New function.
3750         (Symbol_table::output_count): New function.
3751
3752 2010-08-12  Doug Kwan  <dougkwan@google.com>
3753
3754         * arm.cc (Target_arm::merge_object_attributes): Check command line
3755         options --no-wchar-size-warning and --no-enum-size-warning.
3756         * options.h (General_options): Add ld-compatible options
3757         --no-enum-size-warning and --no-wchar-size-warning.
3758
3759 2010-08-04  Ian Lance Taylor  <iant@google.com>
3760
3761         * x86_64.cc (Target_x86_64::Scan::local): Use
3762         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3763         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3764         (Target_x86_64::Scan::global): Likewise.
3765         (Target_x86_64::Relocate::relocate): Likewise.
3766         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3767         Likewise.
3768
3769 2010-08-03  Cary Coutant  <ccoutant@google.com>
3770
3771         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3772         to reserve space in merged_strings vector. Keep total input size
3773         for stats.
3774         (Output_merge_string::do_print_merge_stats): Print total input size.
3775         * merge.h (Output_merge_string): Add input_size_ field.
3776         * stringpool.cc (Stringpool_template::string_length): Move
3777         implementations out of Stringpool_template class and place in
3778         stringpool.h.
3779         * stringpool.h (string_length): Move out of Stringpool_template.
3780
3781 2010-08-03  Ian Lance Taylor  <iant@google.com>
3782
3783         PR 11712
3784         * layout.cc (relaxation_loop_body): If address of load segment is
3785         set, adjust address to include headers if possible.
3786
3787 2010-08-03  Ian Lance Taylor  <iant@google.com>
3788
3789         * version.cc (version_string): Bump to 1.10.
3790
3791 2010-08-03  Ian Lance Taylor  <iant@google.com>
3792
3793         PR 11805
3794         * layout.h (enum Output_section_order): Define.
3795         (class Layout): Update declarations.
3796         * layout.cc (Layout::get_output_section): Add order parameter.
3797         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3798         is_first_non_relro parameters.  Change all callers.
3799         (Layout::choose_output_section): Likewise.
3800         (Layout::add_output_section_data): Likewise.
3801         (Layout::make_output_section): Likewise.  Set order.
3802         (Layout::default_section_order): New function.
3803         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3804         * output.cc (Output_section::Output_section): Initialize order_.
3805         Don't initialize deleted fields.
3806         (Output_segment::Output_segment): Don't initialize deleted
3807         fields.
3808         (Output_segment::add_output_section_to_load): New function
3809         replacing add_output_section.  Change all callers to call this or
3810         add_output_section_to_nonload.
3811         (Output_segment::add_output_section_to_nonload): New function.
3812         (Output_segment::remove_output_section): Rewrite.
3813         (Output_segment::add_initial_output_data): Likewise.
3814         (Output_segment::has_any_data_sections): Likewise.
3815         (Output_segment::is_first_section_relro): Likewise.
3816         (Output_segment::maximum_alignment): Likewise.
3817         (Output_segment::has_dynamic_reloc): New function replacing
3818         dynamic_reloc_count.  Change all callers.
3819         (Output_segment::has_dynamic_reloc_list): New function replacing
3820         dynamic_reloc_count_list.  Change all callers.
3821         (Output_segment::set_section_addresses): Rewrite.
3822         (Output_segment::set_offset): Rewrite.
3823         (Output_segment::find_first_and_last_list): Remove.
3824         (Output_segment::set_tls_offsets): Rewrite.
3825         (Output_segment::first_section_load_address): Likewise.
3826         (Output_segment::output_section_count): Likewise.
3827         (Output_segment::section_with_lowest_load_address): Likewise.
3828         (Output_segment::write_section_headers): Likewise.
3829         (Output_segment::print_sections_to_map): Likewise.
3830         * output.h (class Output_data): Remove dynamic_reloc_count_
3831         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3832         (Output_data::add_dynamic_reloc): Rewrite.
3833         (Output_data::has_dynamic_reloc): New function.
3834         (Output_data::dynamic_reloc_count): Remove.
3835         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3836         is_last_relro_, is_first_non_relro_, is_interp_,
3837         is_dynamic_linker_section_ fields.  Add order and set_order
3838         functions.  Remove is_relro_local, set_is_relro_local,
3839         is_last_relro, set_is_last_relro, is_first_non_relro,
3840         set_is_first_non_relro functions, is_interp, set_is_interp,
3841         is_dynamic_linker_section, and set_is_dynamic_linker_section
3842         functions.
3843         (class Output_segment): Change Output_data_list from std::list to
3844         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3845         output_bss_ fields.  Update declarations.
3846
3847 2010-08-02  Ian Lance Taylor  <iant@google.com>
3848
3849         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3850         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3851         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3852
3853 2010-08-02  Ian Lance Taylor  <iant@google.com>
3854
3855         PR 11855
3856         * script.cc (Script_options::Script_options): Initialize
3857         symbol_definitions_ and symbol_references_.
3858         (Script_options::add_symbol_assignment): Update
3859         symbol_definitions_ and symbol_references_.
3860         (Script_options::add_symbol_reference): New function.
3861         (script_symbol): New function.
3862         * script.h (class Script_options): Add symbol_definitions_ and
3863         symbol_references_ fields.
3864         (Script_options::referenced_const_iterator): New type.
3865         (Script_options::referenced_begin): New function.
3866         (Script_options::referenced_end): New function.
3867         (Script_options::is_referenced): New function.
3868         (Script_options::any_unreferenced): New function.
3869         * script-c.h (script_symbol): Declare.
3870         * yyscript.y (exp): Call script_symbol.
3871         * symtab.cc: Include "script.h".
3872         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3873         Change all callers.  Check symbols referenced by scripts.
3874         (Symbol_table::add_undefined_symbols_from_command_line): Add
3875         layout parameter.  Change all callers.
3876         (Symbol_table::do_add_undefined_symbols_from_command_line):
3877         Likewise.  Break out loop body.  Check symbols referenced by
3878         scripts.
3879         (Symbol_table::add_undefined_symbol_from_command_line): New
3880         function broken out of
3881         do_add_undefined_symbols_from_command_line.
3882         * symtab.h (class Symbol_table): Update declarations.
3883         * archive.cc: Include "layout.h".
3884         (Archive::should_include_member): Add layout parameter.  Change
3885         all callers.  Check for symbol mentioned in expression.
3886         * archive.h (class Archive): Update declaration.
3887         * object.cc (Sized_relobj::do_should_include_member): Add layout
3888         parameter.
3889         * object.h (Object::should_include_member): Add layout parameter.
3890         Change all callers.
3891         (Object::do_should_include_member): Add layout parameter.
3892         (class Sized_relobj): Update declaration.
3893         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3894         parameter.
3895         * dynobj.h (class Sized_dynobj): Update declaration.
3896         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3897         layout parameter.
3898         * plugin.h (class Sized_pluginobj): Update declaration.
3899
3900 2010-08-02  Ian Lance Taylor  <iant@google.com>
3901
3902         PR 11866
3903         * output.cc (Output_segment::set_offset): Search for the first and
3904         last sections rather than assuming that the list is in order.
3905         (Output_segment::find_first_and_last_list): New function.
3906         * output.h (class Output_segment): Update declarations.
3907         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3908         (relro_strip_test_SOURCES): New variable.
3909         (relro_strip_test_DEPENDENCIES): New variable.
3910         (relro_strip_test_LDFLAGS): New variable.
3911         (relro_strip_test_LDADD): New variable.
3912         (relro_strip_test.so): New target.
3913
3914 2010-08-02  Ian Lance Taylor  <iant@google.com>
3915
3916         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3917         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3918         (Target_i386::got_tlsdesc_section): New function.
3919         (Target_i386::got_section): Create space for GOT entries for
3920         TLSDESC relocations.
3921         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3922         R_386_TLS_GOTDESC.
3923         (Target_i386::Scan::global): Likewise.
3924         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3925         using TLSDESC GOT.
3926         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3927         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3928         (Target_x86_64::got_tlsdesc_section): New function.
3929         (Target_x86_64::got_section): Create space for GOT entries for
3930         TLSDESC relocations.
3931         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3932         R_386_TLS_GOTDESC.
3933         (Target_x86_64::Scan::global): Likewise.
3934         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3935         using TLSDESC GOT.
3936
3937 2010-08-02  Ian Lance Taylor  <iant@google.com>
3938
3939         * testsuite/final_layout.sh: Use dc to convert from hex to
3940         decimal.
3941
3942 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
3943
3944         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3945         paramter to the call to gold::gc_process_relocs.
3946         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3947         paramter to the call to gold::gc_process_relocs.
3948         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3949         parameter to the call to gold::gc_process_relocs.
3950         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3951         template parameter to the call to gold::gc_process_relocs.
3952         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3953         paramter to the call to gold::gc_process_relocs.
3954         * gc.h (get_embedded_addend_size): New function.
3955         (gc_process_relocs): Save the size of the reloc for use by ICF.
3956         * icf.cc (get_section_contents): Get the addend from the text section
3957         for SHT_REL relocation sections.
3958         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3959         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3960         * int_encoding.h (read_from_pointer): New overloaded function.
3961         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3962         * testsuite/icf_sht_rel_addend_test.sh: New file.
3963         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3964         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3965
3966 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3967
3968         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3969         * Makefile.in: Regenerate.
3970         * testsuite/Makefile.in: Regenerate.
3971
3972 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
3973
3974         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3975         * gold/testsuite/debug_msg.cc: Likewise.
3976         * gold/testsuite/odr_violation1.cc
3977         * gold/testsuite/odr_violation2.cc
3978
3979 2010-07-21  Cary Coutant  <ccoutant@google.com>
3980
3981         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3982         string, and length fields.
3983         (Output_merge_string::Merged_strings_list): New type.
3984         (Output_merge_string::Merged_strings_lists): New typedef.
3985         (Output_merge_string): Replace merged_strings_ with
3986         merged_strings_lists_.
3987         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3988         Merged_strings_list per input object and section.  Don't store pointer
3989         to the string.  Don't store length with each merged string entry.
3990         (Output_merge_string::finalize_merged_data): Loop over list of merged
3991         strings lists.  Recompute length of each merged string.
3992
3993 2010-07-15  Cary Coutant  <ccoutant@google.com>
3994
3995         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3996         here.
3997
3998 2010-07-14  Ian Lance Taylor  <iant@google.com>
3999
4000         * descriptors.cc (Descriptors::open): Report correct name in error
4001         message.
4002
4003 2010-07-13  Doug Kwan  <dougkwan@google.com>
4004
4005         * arm.cc (Arm_input_section::Arm_input_section): For a
4006         SHT_ARM_EXIDX section, always keeps the input sections.
4007         (Arm_input_section::set_exidx_section_link): New method.
4008         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4009         has_errors_ to false.
4010         (Arm_exidx_input_section::has_errors,
4011         Arm_exidx_input_section::set_has_errors): New methods.
4012         (Arm_exidx_input_section::has_errors_): New data member.
4013         (Arm_relobj::get_exidx_shndx_list): New method.
4014         (Arm_output_section::append_text_sections_to_list): Do not skip
4015         section without SHF_EXECINSTR.
4016         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4017         errors.
4018         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4019         section header.  Make error messages more verbose.  Check for
4020         a non-executable section linked to an EXIDX section.
4021         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4022         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4023         check that there is no deferred EXIDX section if we exit early.
4024         Instead of not making an EXIDX section in case of an error, make one
4025         and set the has_errors flag of it.
4026         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4027         in a relocatable link.
4028         (Target_arm::do_relax): Look for the EXIDX output section instead of
4029         assuming that it is called .ARM.exidx.
4030         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4031         section list.  Do not check for SHF_EXECINSTR section flags but
4032         skip any input section with errors.
4033         * output.cc (Output_section::Output_section): Initialize
4034         always_keeps_input_sections_ to false.
4035         (Output_section::add_input_section): Check for
4036         always_keeps_input_sections_.
4037         *  output.h (Output_section::always_keeps_input_sections,
4038         Output_section::set_always_keeps_input_sections): New methods.
4039         (Output_section::always_keeps_input_sections): New data member.
4040
4041 2010-07-13  Rafael Espindola  <espindola@google.com>
4042
4043         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4044         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4045
4046 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4047             Ian Lance Taylor  <iant@google.com>
4048
4049         * output.h (Output_section_lookup_maps::add_merge_section):
4050         Correct check of whether value was inserted.
4051         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4052         (Output_section_lookup_maps::add_relaxed_input_section):
4053         Likewise.
4054         * arm.cc (Target_arm::got_section): Remove used local os.
4055         * i386.cc (Target_i386::got_section): Likewise.
4056         * x86_64.cc (Target_x86_64::got_section): Likewise.
4057         * sparc.cc (Target_sparc::got_section): Likewise.
4058         (Target_sparc::relocate): Remove unused local have_got_offset.
4059         * powerpc.cc (Target_powerpc::relocate): Likewise.
4060
4061 2010-07-13  Ian Lance Taylor  <iant@google.com>
4062
4063         * compressed_output.cc (zlib_decompress): Fix signature in
4064         !HAVE_ZLIB_H case.
4065
4066         * archive.cc (Archive::include_member): Unlock an external member
4067         of a thin archive.  Don't bother to delete an object we know is
4068         NULL.
4069
4070 2010-07-12  Cary Coutant  <ccoutant@google.com>
4071
4072         * compressed_output.cc (zlib_decompress): New function.
4073         (get_uncompressed_size): New function.
4074         (decompress_input_section): New function.
4075         * compressed_output.h (get_uncompressed_size): New function.
4076         (decompress_input_section): New function.
4077         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4078         Handle compressed debug sections.
4079         * layout.cc (is_compressed_debug_section): New function.
4080         (Layout::output_section_name): Map compressed section names to
4081         canonical names.
4082         * layout.h (is_compressed_debug_section): New function.
4083         (is_debug_info_section): Recognize compressed debug sections.
4084         * merge.cc: Include compressed_output.h.
4085         (Output_merge_data::do_add_input_section): Handle compressed
4086         debug sections.
4087         (Output_merge_string::do_add_input_section): Handle compressed
4088         debug sections.
4089         * object.cc: Include compressed_output.h.
4090         (Sized_relobj::Sized_relobj): Initialize new data members.
4091         (build_compressed_section_map): New function.
4092         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4093         * object.h (Object::section_is_compressed): New method.
4094         (Object::do_section_is_compressed): New method.
4095         (Sized_relobj::Compressed_section_map): New type.
4096         (Sized_relobj::do_section_is_compressed): New method.
4097         (Sized_relobj::compressed_sections_): New data member.
4098         * output.cc (Output_section::add_input_section): Handle compressed
4099         debug sections.
4100         * reloc.cc: Include compressed_output.h.
4101         (Sized_relobj::write_sections): Handle compressed debug sections.
4102
4103 2010-07-08  Cary Coutant  <ccoutant@google.com>
4104
4105         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4106         weak when resolving to a dynamic def.
4107         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4108         for weak undef/dynamic def cases. Adjust callers.
4109         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4110         undef_binding_weak_.
4111         (Symbol_table::sized_write_globals): Adjust symbol binding.
4112         (Symbol_table::sized_write_symbol): Add binding parameter.
4113         * symtab.h (Symbol::set_undef_binding): New method.
4114         (Symbol::is_undef_binding_weak): New method.
4115         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4116         (Symbol_table::should_override): Add new parameter.
4117         (Symbol_table::sized_write_symbol): Add new parameter.
4118
4119         * testsuite/weak_undef_file1.cc: Add new test case.
4120         * testsuite/weak_undef_file2.cc: Fix header comment.
4121         * testsuite/weak_undef_test.cc: Add new test case.
4122
4123 2010-06-29  Doug Kwan  <dougkwan@google.com>
4124
4125         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4126         Initialize USE_SYMBOL_.
4127         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4128         definition.
4129         (Arm_reloc_property::uses_symbol_): New data member declaration.
4130         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4131         uses symbol value and symbol is undefined but not weakly undefined.
4132
4133 2010-06-28  Rafael Espindola  <espindola@google.com>
4134
4135         * plugin.cc (Plugin::load): Use dlerror.
4136
4137 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4138
4139         * symtab.cc (detect_odr_violations): When reporting an ODR
4140         violation, report an object where the symbol is defined.
4141
4142 2010-06-25  Doug Kwan  <dougkwan@google.com>
4143
4144         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4145         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4146         definition.
4147         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4148         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4149         target hook to detect function points.
4150         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4151         * icf.h (Icf::check_section_for_function_pointers): Change type of
4152         parameter SECTION_NAME to const reference to std::string.  Use
4153         target hook to determine if section may have unsafe pointers.
4154         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4155         method definition.
4156
4157 2010-06-21  Rafael Espindola  <espindola@google.com>
4158
4159         * fileread.cc (Input_file::find_fie): New
4160         (Input_file::open): Use Input_file::find_fie.
4161         * fileread.h (Input_file::find_fie): New
4162         * plugin.cc (set_extra_library_path): New.
4163         (Plugin::load): Add set_extra_library_path to the transfer vector.
4164         (Plugin_manager::set_extra_library_path): New.
4165         (Plugin_manager::add_input_file): Use the extra search path if set.
4166         (set_extra_library_path(): New.
4167         * plugin.h (Plugin_manager): Add set_extra_library_path and
4168         extra_search_path_.
4169
4170 2010-06-19  Cary Coutant  <ccoutant@google.com>
4171
4172         * layout.cc (gdb_sections): Add .debug_types.
4173         (lines_only_debug_sections): Likewise.
4174
4175 2010-06-18  Rafael Espindola  <espindola@google.com>
4176
4177         * plugin.cc (add_input_file,add_input_library)
4178         (Plugin_manager::add_input_file): Make filename arguments const.
4179         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4180         const.
4181
4182 2010-06-16  Doug Kwan  <dougkwan@google.com>
4183
4184         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4185         .ARM.attributes section if we have not merged any input
4186         attributes sections.
4187
4188 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4189
4190         * arm.cc: Allow combining objects with no EABI version
4191         information.
4192
4193 2010-06-15  Rafael Espindola  <espindola@google.com>
4194
4195         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4196
4197 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4198
4199         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4200         (struct iovec): Correct !HAVE_READV definition.
4201
4202 2010-06-10  Cary Coutant  <ccoutant@google.com>
4203
4204         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4205         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4206         reloc sections.
4207         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4208
4209         PR 11683
4210         * symtab.h (Symbol::is_placeholder): New member function.
4211         * target-reloc.h (relocate_section): Check for placeholder symbols.
4212
4213         * testsuite/Makefile.am (plugin_test_8): New test.
4214         (plugin_test_9): New test.
4215         * testsuite/Makefile.in: Regenerate.
4216
4217 2010-06-09  Nick Clifton  <nickc@redhat.com>
4218
4219         * yyscript.y (input_list_element): Allow strings prefixed with
4220         the '-' character.  Treat these as libraries.
4221         * script.cc (script_add_library): New function.  Adds a library
4222         specified by "-l<name>" found in an input script.
4223         * script-c.h: Add prototype for script_add_library.
4224
4225 2010-06-07  Doug Kwan  <dougkwan@google.com>
4226
4227         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4228         Restrict stub-group size to be within long conditional branch
4229         range when working around cortex-A8 erratum.
4230
4231 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4232
4233         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4234         #ifdef typo.
4235
4236 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4237
4238         PR gold/11658
4239         * output.cc
4240         (Output_section::Input_section_sort_entry::compare_section_ordering):
4241         Change to return non-zero correctly.
4242         (Output_section::Input_section_sort_section_order_index_compare
4243         ::operator()): Change to fix ambiguity in comparisons.
4244
4245 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4246
4247         * gold.h (is_wildcard_string): New function.
4248         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4249         (Layout::layout_eh_frame): Ditto.
4250         (Layout::find_section_order_index): New method.
4251         (Layout::read_layout_from_file): New method.
4252         * layout.h (Layout::find_section_order_index): New method.
4253         (Layout::read_layout_from_file): New method.
4254         (Layout::input_section_position_): New private member.
4255         (Layout::input_section_glob_): New private member.
4256         * main.cc (main): Call read_layout_from_file here.
4257         * options.h (--section-ordering-file): New option.
4258         * output.cc (Output_section::input_section_order_specified_): New
4259         member.
4260         (Output_section::Output_section): Initialize new member.
4261         (Output_section::add_input_section): Add new parameter.
4262         Keep input sections when --section-ordering-file is used.
4263         (Output_section::set_final_data_size): Sort input sections when
4264         section ordering file is specified.
4265         (Output_section::Input_section_sort_entry): Add new parameter.
4266         Check sorting type.
4267         (Output_section::Input_section_sort_entry::compare_section_ordering):
4268         New method.
4269         (Output_section::Input_section_sort_compare::operator()): Change to
4270         consider section_order_index.
4271         (Output_section::Input_section_sort_init_fini_compare::operator()):
4272         Change to consider section_order_index.
4273         (Output_section::Input_section_sort_section_order_index_compare
4274         ::operator()): New method.
4275         (Output_section::sort_attached_input_sections): Change to sort
4276         according to section order when specified.
4277         (Output_section::add_input_section<32, true>): Add new parameter.
4278         (Output_section::add_input_section<64, true>): Add new parameter.
4279         (Output_section::add_input_section<32, false>): Add new parameter.
4280         (Output_section::add_input_section<64, false>): Add new parameter.
4281         * output.h (Output_section::add_input_section): Add new parameter.
4282         (Output_section::input_section_order_specified): New
4283         method.
4284         (Output_section::set_input_section_order_specified): New method.
4285         (Input_section::Input_section): Initialize section_order_index_.
4286         (Input_section::section_order_index): New method.
4287         (Input_section::set_section_order_index): New method.
4288         (Input_section::section_order_index_): New member.
4289         (Input_section::Input_section_sort_section_order_index_compare): New
4290         struct.
4291         (Output_section::input_section_order_specified_): New member.
4292         * script-sections.cc (is_wildcard_string): Delete and move modified
4293         method to gold.h.
4294         (Output_section_element_input::Output_section_element_input): Modify
4295         call to is_wildcard_string.
4296         (Output_section_element_input::Input_section_pattern
4297         ::Input_section_pattern): Ditto.
4298         (Output_section_element_input::Output_section_element_input): Ditto.
4299         * testsuite/Makefile.am (final_layout): New test case.
4300         * testsuite/Makefile.in: Regenerate.
4301         * testsuite/final_layout.cc: New file.
4302         * testsuite/final_layout.sh: New file.
4303
4304 2010-06-01  Rafael Espindola  <espindola@google.com>
4305
4306         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4307
4308 2010-06-01  Rafael Espindola  <espindola@google.com>
4309
4310         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4311         visibility of symbols.
4312
4313 2010-05-27  Doug Kwan  <dougkwan@google.com>
4314
4315         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4316         from start of output section instead of address for a local symbol
4317         in a merged or relaxed section when doing a relocatable link.
4318
4319 2010-05-26  Rafael Espindola  <espindola@google.com>
4320
4321        PR 11604
4322         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4323         adding sections the garbage collector removed.
4324         * gold/testsuite/Makefile.am: Add test.
4325         * gold/testsuite/Makefile.in: Regenerate.
4326         * gold/testsuite/plugin_test_7.sh: New.
4327         * gold/testsuite/plugin_test_7_1.c: New.
4328         * gold/testsuite/plugin_test_7_2.c: New.
4329
4330 2010-05-26  Rafael Espindola  <espindola@google.com>
4331
4332         * script-sections.cc (Output_section_definition::set_section_addresses):
4333         Check for --section-start.
4334
4335 2010-05-26  Doug Kwan  <dougkwan@google.com>
4336
4337         * arm.cc (Arm_scan_relocatable_relocs): New class.
4338         (Target_arm::relocate_special_relocatable): New method.
4339         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4340         (Arm_relocate_functions::thumb_branch_common): Same.
4341         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4342         instead of Default_scan_relocatable_relocs.
4343         * target-reloc.h (relocate_for_relocatable): Let target handle
4344         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4345         * target.h (Sized_target::relocate_special_relocatable): New method.
4346
4347 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4348
4349         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4350
4351 2010-05-23  Doug Kwan  <dougkwan@google.com>
4352
4353         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4354         instead of a cast.
4355         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4356         with a direct branch, not a conditional branch, to a stub.
4357         * merge.cc (Output_merge_base::record_input_section): New method
4358         defintion.
4359         (Output_merge_data::do_add_input_section): Record input section if
4360         keeps-input-sections flag is set.
4361         (Output_merge_string::do_add_input_section): Ditto.
4362         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4363         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4364         INPUT_SECTIONS_.
4365         (Output_merge_base::keeps_input_sections,
4366         Output_merge_base::set_keeps_input_sections,
4367         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4368         method definitions.
4369         (Output_merge_base::Input_sections): New type declaration.
4370         (Output_merge_base::input_sections_begin,
4371         Output_merge_base::input_sections_end,
4372         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4373         (Output_merge_base::bool keeps_input_sections_,
4374         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4375         Output_merge_base::input_sections_): New data members.
4376         (Output_merge_data::do_set_keeps_input_sections): New method
4377         defintion.
4378         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4379         * output.cc (Output_section::Input_section::relobj): Move method
4380         defintion from class declaration to here and handle merge sections.
4381         (Output_section::Input_section::shndx): Ditto.
4382         (Output_section::Output_section): Remove initializations of removed
4383         data members and initialize new data member LOOKUP_MAPS_.
4384         (Output_section::add_input_section): Set keeps-input-sections flag
4385         for a newly created merge output section as appropriate.  Adjust code
4386         to use Output_section_lookup_maps class.
4387         (Output_section::add_relaxed_input_section): Adjst code for lookup
4388         maps code refactoring.
4389         (Output_section::add_merge_input_section): Add a new parameter
4390         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4391         class.  If adding input section to a newly created merge output
4392         section fails, remove the new merge section.
4393         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4394         Adjust code for use of the Output_section_lookup_maps class.
4395         (Output_section::find_merge_section): Ditto.
4396         (Output_section::build_lookup_maps): New method defintion.
4397         (Output_section::find_relaxed_input_section): Adjust code to use
4398         Output_section_lookup_maps class.
4399         (Output_section::get_input_sections): Export merge sections.  Adjust
4400         code to use Output_section_lookup_maps class.
4401         (Output_section:::add_script_input_section): Adjust code to use
4402         Output_section_lookup_maps class.  Update lookup maps for merge
4403         sections also.
4404         (Output_section::discard_states): Use Output_section_lookup_maps.
4405         (Output_section::restore_states): Same.
4406         * output.h (Merge_section_properties): Move class defintion out of
4407         Output_section.
4408         (Output_section_lookup_maps): New class.
4409         (Output_section::Input_section::is_merge_section): New method
4410         defintion.
4411         (Output_section::Input_section::relobj): Move defintion out of class
4412         defintion.  Declare method only.
4413         (Output_section::Input_section::shndx): Ditto.
4414         (Output_section::Input_section::output_merge_base): New method defintion.
4415         (Output_section::Input_section::u2_.pomb): New union field.
4416         (Output_section::Merge_section_by_properties_map,
4417         Output_section::Output_section_data_by_input_section_map,
4418         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4419         Remove types.
4420         (Output_section::add_merge_input_section): Add new parameter
4421         KEEPS_INPUT_SECTIONS.
4422         (Output_section::build_lookup_maps): New method declaration.
4423         (Output_section::merge_section_map_,
4424         Output_section::merge_section_by_properties_map_,
4425         Output_section::relaxed_input_section_map_,
4426         Output_section::is_relaxed_input_section_map_valid_): Remove data
4427         members.
4428         (Output_section::lookup_maps_): New data member.
4429
4430 2010-05-21  Doug Kwan  <dougkwan@google.com>
4431
4432         PR gold/11619
4433         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4434         avoid a compilation error.
4435
4436 2010-05-19  Rafael Espindola  <espindola@google.com>
4437
4438         * script-sections.cc (Output_section_definition::allocate_to_segment):
4439         Update the phdrs_list even when the output section is NULL.
4440         * testsuite/Makefile.am: Add test.
4441         * testsuite/Makefile.in: Regenerate.
4442         * testsuite/script_test_9.cc: New.
4443         * testsuite/script_test_9.sh: New.
4444         * testsuite/script_test_9.t: New.
4445
4446 2010-05-19  Doug Kwan  <dougkwan@google.com>
4447
4448         * arm.cc (Arm_input_section::original_size): New method.
4449         (Arm_input_section::do_addralign): Add a cast.
4450         (Arm_input_section::do_output_offset): Remove static cast.
4451         (Arm_input_section::original_addralign,
4452          Arm_input_section::original_size_): Change type to uint32_t.
4453         (Arm_input_section::init): Add safe casts for section alignment
4454         and size.
4455         (Arm_input_section::set_final_data_size): Do not set address and
4456         offset of stub table.
4457         (Arm_output_section::fix_exidx_coverage): Change use of of
4458         Output_section::Simple_input_section to that of
4459         Output_section::Input_section.
4460         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4461         except for the first pass.
4462         * output.cc (Output_section::get_input_sections): Change type of
4463         input_sections to std::list<Input_section>.
4464         (Output_section::add_script_input_section): Rename from
4465         Output_section::add_simple_input_section.  Change type of SIS
4466         parameter from Simple_input_section to Input_section.
4467         * output.h (Output_section::Simple_input_section): Remove class.
4468         (Output_section::Input_section): Change class visibility to public.
4469         (Output_section::Input_section::addralign): Use stored alignments
4470         for special input sections if set.
4471         (Output_section::Input_section::set_addralign): New method.
4472         (Output_section::get_input_sections): Change parameter type from
4473         list of Simple_input_section to list of Input_section.
4474         (Output_section::add_script_input_section): Rename from
4475         Output_section::add_simple_input_section. Change first parameter's
4476         type from Simple_input_section to Input_section and remove the
4477         second and third parameters.
4478         * script-sections.cc (Input_section::Input_section_list): Change
4479         type to list of Output_section::Input_section/
4480         (Input_section_info::Input_section_info): Change parameter type of
4481         INPUT_SECTION to Output_section::Input_section.
4482         (Input_section_info::input_section): Change return type.
4483         (Input_section_info::input_section_): Change type to
4484         Output_section::Input_section.
4485         (Output_section_element_input::set_section_addresses): Adjust code
4486         to use Output_section::Input_section instead of
4487         Output_section::Simple_input_section.  Adjust code for renaming
4488         of Output_section::add_simple_input_section.
4489         (Orphan_output_section::set_section_addresses): Ditto.
4490
4491 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4492
4493         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4494         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4495
4496 2010-05-18  Rafael Espindola  <espindola@google.com>
4497
4498         * options.cc (General_options::finalize): Handle -nostdlib.
4499         * options.h (nostdlib): New option.
4500         * script.cc (script_add_search_dir): Handle -nostdlib.
4501
4502 2010-05-12  Doug Kwan  <dougkwan@google.com>
4503
4504         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4505         attributes section only if there no attributes section after merging.
4506         (Target_arm::merge_object_attributes): Move value of
4507         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4508         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4509         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4510         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4511         and arm_attr_merge_7.stdout.
4512         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4513         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4514         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4515         arm_attr_merge_7b.o): New rules.
4516         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4517         arm_attr_merge_7
4518         * testsuite/Makefile.in: Regenerate.
4519         * testsuite/arm_attr_merge.sh: New file.
4520         * testsuite/arm_attr_merge_[67][ab].s: Same.
4521
4522 2010-05-05  Nick Clifton  <nickc@redhat.com>
4523
4524         * po/es.po: Updated Spanish translation.
4525
4526 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4527
4528         * Makefile.am (install-exec-local): Properly install gold as
4529         default cross linker.
4530         * Makefile.in: Regenerated.
4531
4532 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4533             Nick Clifton  <nickc@redhat.com>
4534
4535         * configure.ac (install_as_default): Define and set to false
4536         unless --enable-gold or --enable-gold=both/gold has been
4537         specified.
4538         * configure: Regenerate.
4539
4540         * Makefile.am (install-exec-local): Install the executable as
4541         'ld.gold'.  If install_as_default is true then also install it as
4542         'ld'.
4543         * Makefile.in: Regenerated.
4544
4545 2010-04-24  Ian Lance Taylor  <iant@google.com>
4546
4547         * layout.cc (Layout::layout_reloc): In relocatable link don't
4548         combine reloc sections for grouped sections.
4549
4550 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4551
4552         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4553         sections that are not ordinary to icf.
4554         * icf.cc (get_section_contents): Handle relocation pointing to section
4555         with no object or shndx information.
4556         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4557         * testsuite/Makefile.in: Regenerate.
4558         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4559         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4560
4561 2010-04-22  Ian Lance Taylor  <iant@google.com>
4562
4563         * expression.cc (Expression::Expression_eval_info): Add
4564         result_alignment_pointer field.
4565         (Expression::eval_with_dot): Add result_alignment_pointer
4566         parameter.  Change all callers.
4567         (Expression::eval_maybe_dot): Likewise.
4568         (class Binary_expression): Add alignment_pointer parameter to
4569         left_value and right_value.  Change all callers.
4570         (BINARY_EXPRESSION): Set result alignment.
4571         (class Trinary_expression): Add alignment_pointer parameter to
4572         arg2_value and arg3_value.  Change all callers.
4573         (Trinary_cond::value): Set result alignment.
4574         (Max_expression::value, Min_expression::value): Likewise.
4575         (Align_expression::value): Likewise.
4576         * script-sections.cc (class Sections_element): Add dot_alignment
4577         parameter to set_section_addresses virtual function.  Update
4578         instantiations.
4579         (class Output_section_element): Likewise.
4580         (Script_sections::create_segments): Add dot_alignment parameter.
4581         Change all callers.
4582         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4583         (Script_sections::set_phdrs_clause_addresses): Likewise.
4584         * script-sections.h: Update declarations.
4585         * script.h: Update declarations.
4586         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4587         min_p_align.
4588         * testsuite/script_test_3.t: Set large alignment.
4589         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4590         segment has expected alignment.
4591
4592 2010-04-22  Nick Clifton  <nickc@redhat.com>
4593
4594         * po/gold.pot: Updated by the Translation project.
4595         * po/vi.po: Updated Vietnamese translation.
4596
4597 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4598
4599         * testsuite/Makefile.am (check_PROGRAMS): Add
4600         icf_virtual_function_folding_test.
4601         * testsuite/Makefile.in: Regenerated.
4602
4603 2010-04-15  Andrew Haley  <aph@redhat.com>
4604
4605         * options.h (merge_exidx_entries): New option.
4606         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4607         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4608         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4609         (Target_arm::merge_exidx_entries): New function.
4610         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4611         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4612         to Arm_exidx_fixup constructor.
4613         Add new arg, merge_exidx_entries.
4614         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4615         Arm_output_section::fix_exidx_coverage.
4616
4617 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4618
4619         * icf.cc (get_section_contents): Check for preemptible functions.
4620         Ignore addend when appropriate.
4621         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4622         section folded.
4623         (add_from_relobj): Check for section folded.
4624         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4625         * symtab.h (should_add_dynsym_entry): Add new parameter.
4626         * target-reloc.h (scan_relocs): Check for section folded.
4627         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4628         Check reloc types for function pointers in shared objects.
4629         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4630         case.
4631         (icf_preemptible_functions_test): New test case.
4632         (icf_string_merge_test): New test case.
4633         * testsuite.Makefile.in: Regenerate.
4634         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4635         bar_glob.  Refactor code.
4636         * testsuite/icf_preemptible_functions_test.cc: New file.
4637         * testsuite/icf_preemptible_functions_test.sh: New file.
4638         * testsuite/icf_string_merge_test.cc: New file.
4639         * testsuite/icf_string_merge_test.sh: New file.
4640         * testsuite/icf_virtual_function_folding_test.cc: New file.
4641         * testsuite/icf_virtual_function_folding_test.sh: New file.
4642
4643 2010-04-14  Doug Kwan  <dougkwan@google.com>
4644
4645         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4646         for local symbol recounting if we remove a section due to ICF.
4647         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4648         there are no regular objects in input.
4649
4650 2010-04-13  Doug Kwan  <dougkwan@google.com>
4651
4652         * arm.cc (Arm_input_section::set_final_data_size): Compute
4653         accurate final data size instead of using current data size.
4654
4655 2010-04-09  Doug Kwan  <dougkwan@google.com>
4656
4657         * layout.cc (Layout::choose_output_section): Handle script section
4658         types.
4659         (Layout::make_output_section_for_script): Add section type parameter.
4660         Handle script section types.
4661         * layout.h (Layout::make_output_section_for_script): Add section
4662         type parameter.
4663         * output.cc (Output_section::Output_section): Initialize data member
4664         is_noload_.
4665         (Output_section::do_reset_address_and_file_offset): Do not set address
4666         to 0 if section is a NOLOAD section.
4667         * output.h (Output_section::is_noload): New method.
4668         (Output_section::set_is_noload): Ditto.
4669         (Output_section::is_noload_): New data member.
4670         * script-c.h (Script_section_type): New enum type.
4671         (struct Parser_output_section_header): Add new file section_type.
4672         * script-sections.cc (Sections_element::output_section_name): Add
4673         parameter for returning script section type.
4674         (Output_section_definition::output_section_name): Ditto.
4675         (Output_section_definition::section_type)P; New method.
4676         (Output_section_definiton::script_section_type_name): Ditto.
4677         (Output_section_definition::script_section_type_): New data member.
4678         (Output_section_definition::Output_section_definition): Initialize
4679         data member Output_section_definition::script_section_type_.
4680         (Output_section_definition::create_sections): Pass script section type
4681         to Layout::make_output_section_for_script.
4682         (Output_section_definition::output_section_name): Return script
4683         section type to caller.
4684         (Output_section_definition::set_section_address): Do not advance
4685         dot value and load address if section type is NOLOAD.  Set address
4686         of NOLOAD sections regardless of section flags.
4687         (Output_section_definition::print): Print section type if it is
4688         not SCRIPT_SECTION_TYPE_NONE.
4689         (Output_section_definition::section_type): New method.
4690         (Output_section_definition::script_section_type_name): Ditto.
4691         (Script_sections::output_section_name): Add new parameter
4692         PSECTION_TYPE for returning script section type.  Pass it to
4693         section elements.  Handle discard sections.
4694         (Sort_output_sections::operator()): Handle NOLOAD sections.
4695         * script-sections.h (Script_sections::Section_type): New enum type.
4696         (Script_sections::output_section_name): Add a new parameter for
4697         returning script section type.
4698         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4699         INFO and NOLOAD.
4700         * yyscript.y (union): Add new field SECTION_TYPE.
4701         (COPY, DSECT, INFO, NOLOAD): New tokens.
4702         (opt_address_and_section_type): Change type to output_section_header.
4703         (section_type): New non-terminal
4704         (section_header): Handle section type.
4705         (opt_address_and_section_type): Return section type value.
4706
4707 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4708
4709         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4710         * testsuite/plugin_common_test_2.c (foo): Likewise.
4711
4712 2010-04-08  Doug Kwan  <dougkwan@google.com>
4713
4714         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4715         Output_merge_data.
4716         * output.cc (Output_section::add_merge_input_section): Simplify
4717         code and return status of Output_merge_base::add_input_section.
4718         Update merge section map only if Output_merge_base::add_input_section
4719         returns true.
4720
4721 2010-04-07  Doug Kwan  <dougkwan@google.com>
4722
4723         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4724         if section is marked as containing instructions but has no mapping
4725         symbols.
4726         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4727         correct section index.
4728         (Arm_relobj::find_linked_text_section): Ditto.
4729
4730 2010-04-07  Cary Coutant  <ccoutant@google.com>
4731
4732         * archive.cc (include_member): Destroy Read_symbols_data object before
4733         releasing file.
4734         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4735         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4736         (Read_symbols_data::~Read_symbols_data) New destructor.
4737         (Section_relocs::Section_relocs) New constructor.
4738         (Section_relocs::~Section_relocs) New destructor.
4739         (Read_relocs_data::Read_relocs_data) New constructor.
4740         (Read_relocs_data::~Read_relocs_data) New destructor.
4741         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4742         pointers to NULL after deleting.
4743
4744 2010-04-07  Doug Kwan  <dougkwan@google.com>
4745
4746         * arm.cc: Replace "endianity" with "endianness" in comments.
4747         (Arm_exidx_cantunwind): Ditto.
4748         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4749         (Arm_relobj::merge_flags_and_attributes): New method.
4750         (Arm_relobj::merge_flags_and_attributes_): New data member.
4751         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4752         (Arm_relobj::scan_sections_for_stubs): Ditto.
4753         (Arm_relobj::do_read_symbols): Check to see if we really want to
4754         merge processor-specific flags and attributes.  Exit early if
4755         an object is empty except for section names and the undefined symbol.
4756         (Target_arm::do_finalize_sections): Move check for ELF format to
4757         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4758         attributes from a regular object only when we have determined that
4759         it is aapropriate.  Do not create an .ARM.attributes section in
4760         output if there is no regular input object.
4761         (Target_arm::merge_processor_specific_flags): Check
4762         --warn-mismatch before printing any error.
4763         (Target_arm::merge_object_attributes): Ditto.
4764         * gold.cc (queue_middle_tasks): Handle the case in which there is
4765         no regular object in input.
4766         * options.cc (General_options::parse_EB): New method.
4767         (General_options::parse_EL): Same.
4768         (General_options::General_options): Initialize endianness_.
4769         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4770         New options.
4771         (General_options::Endianness): New enum.
4772         (General_options::endianness): New method.
4773         (General_options::endianness_): New data member.
4774         * parameters.cc (Parameters::set_options): Check target endianness.
4775         (Parameters::set_target_once): Ditto.
4776         (Parameters::check_target_endianness): New method.
4777         (parameters_force_valid_target): If either -EL or -EB is specified,
4778         use it to define endianness of default target.
4779         * parameters.h (Parameters::check_target_endianness): New method
4780         declaration.
4781         * target.h (class Target): Change "endianity" to "endianness"
4782         in comments.
4783
4784 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4785
4786         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4787         * configure: Regenerate.
4788         * Makefile.in: Regenerate.
4789         * testsuite/Makefile.in: Regenerate.
4790
4791 2010-04-06  Cary Coutant  <ccoutant@google.com>
4792
4793         gcc PR lto/42757
4794         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4795         prevailing definitions of common symbols.
4796         * testsuite/plugin_test_6.sh: New test case.
4797         * testsuite/plugin_common_test_1.c: New test case.
4798         * testsuite/plugin_common_test_2.c: New test case.
4799         * testsuite/Makefile.am (plugin_test_6): New test case.
4800         * testsuite/Makefile.in: Regenerate.
4801
4802 2010-04-06  Nick Clifton  <nickc@redhat.com>
4803
4804         * po/vi.po: New Vietnamese translation.
4805
4806 2010-03-30  Doug Kwan  <dougkwan@google.com>
4807
4808         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4809
4810 2010-03-25  Doug Kwan  <dougkwan@google.com>
4811
4812         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4813         to avoid a conversion warning on a 32-bit host.
4814
4815 2010-03-24  Ian Lance Taylor  <iant@google.com>
4816
4817         * testsuite/script_test_3.t: Add a TLS segment.
4818         * testsuite/Makefile.am (check_PROGRAMS): Add
4819         tls_phdrs_script_test.
4820         (tls_phdrs_script_test_SOURCES): Define.
4821         (tls_phdrs_script_test_DEPENDENCIES): Define.
4822         (tls_phdrs_script_test_LDFLAGS): Define.
4823         (tls_phdrs_script_test_LDADD): Define.
4824         * testsuite/Makefile.in: Rebuild.
4825
4826 2010-03-23  Cary Coutant  <ccoutant@google.com>
4827
4828         * fileread.cc (find_or_make_view): Fix comment.
4829
4830 2010-03-23  Ian Lance Taylor  <iant@google.com>
4831
4832         * script-sections.cc (class Orphan_section_placement): Define
4833         PLACE_TLS and PLACE_TLS_BSS.
4834         (Orphan_section_placement::Orphan_section_placement): Initialize
4835         new places.
4836         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4837         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4838         (tls_script_test_SOURCES): Define.
4839         (tls_script_test_DEPENDENCIES): Define.
4840         (tls_script_test_LDFLAGS): Define.
4841         (tls_script_test_LDADD): Define.
4842         * testsuite/Makefile.in: Rebuild.
4843
4844 2010-03-22  Doug Kwan  <dougkwan@google.com>
4845
4846         * arm.cc (Arm_relocate_functions::abs8,
4847         Arm_relocate_functions::abs16): Use correct check for overflow
4848         specified in the ARM ELF specs.
4849         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4850         target of a BLX instruction specially.
4851         (Reloc_stub::stub_type_for_reloc): Ditto.
4852         (Relocate::relocate): Use symbolic names instead of numeric relocation
4853         codes to report error.
4854         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4855         workaround.
4856         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4857         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4858         thumb2_blx_out_of_range.stdout
4859         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4860         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4861         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4862         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4863         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4864         thumb2_blx_in_range, thumb2_blx_in_range.o,
4865         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4866         thumb2_blx_out_of_range.o): New rules.
4867         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4868         thumb2_blx_in_range and thumb2_blx_out_of_range.
4869         * testsuite/Makefile.in: Regenerate.
4870         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4871         * testsuite/thumb_blx_in_range.s: New file.
4872         * testsuite/thumb_blx_out_of_range.s: New file.
4873
4874 2010-03-22  Rafael Espindola  <espindola@google.com>
4875
4876         * archive.cc (Should_include): Move to archive.h.
4877         (should_include_member): Make it a member of Archive.
4878         (Lib_group): New.
4879         (Add_lib_group_symbols): New.
4880         * archive.h: Include options.h.
4881         (Archive_member): Moved from Archive.
4882         (Should_include): Moved from archive.cc.
4883         (Lib_group): New.
4884         (Add_lib_group_symbols): New.
4885         * dynobj.cc (do_should_include_member): New.
4886         * dynobj.h (do_should_include_member): New.
4887         * gold.cc (queue_initial_tasks): Update call to queue.
4888         * main.cc (main): Print lib group stats.
4889         * object.cc (do_should_include_member): New.
4890         * object.h: Include archive.h.
4891         (Object::should_include_member): New.
4892         (Object::do_should_include_member): New.
4893         (Sized_relobj::do_should_include_member): New.
4894         * options.cc (General_options::parse_start_lib): New.
4895         (General_options::parse_end_lib): New.
4896         (Input_arguments::add_file): Handle lib groups.
4897         (Input_arguments::start_group): Check we are not in a lib.
4898         (Input_arguments::start_lib): New.
4899         (Input_arguments::end_lib): New.
4900         * options.h (General_options): Add start_lib and end_lib.
4901         (Input_argument::lib_): New.
4902         (Input_argument::lib): New.
4903         (Input_argument::is_lib): New.
4904         (Input_file_lib): New.
4905         (Input_arguments::in_lib_): New.
4906         (Input_arguments::in_lib): New.
4907         (Input_arguments::start_lib): New.
4908         (Input_arguments::end_lib_): New.
4909         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4910         in unused members as preempted.
4911         (Sized_pluginobj::do_should_include_member): New.
4912         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4913         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4914         return the blocker.
4915         (Read_symbols::do_whole_lib_group): New.
4916         (Read_symbols::do_lib_group): New.
4917         (Read_symbols::do_read_symbols): Handle lib groups.
4918         (Read_symbols::get_name): Handle lib groups.
4919         * readsyms.h (Read_symbols): Add an archive member pointer.
4920         (Read_symbols::do_whole_lib_group): New.
4921         (Read_symbols::do_lib_group): New.
4922         (Read_symbols::member_): New.
4923         * script.cc (read_input_script): Update call to queue_soon.
4924
4925 2010-03-19  Doug Kwan  <dougkwan@google.com>
4926
4927         * arm.cc (Stub_table::Stub_table): Initialize new data members
4928         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4929         (Stub_table::add_reloc_stub): Assign stub offset and update
4930         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4931         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4932         New data members.
4933         (Stub_table::update_data_size_and_addralign): Use
4934         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4935         instead of going over all reloc stubs.
4936         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4937         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4938         Stringpool_template::offset_ to size of Stringpool_char.
4939         (Stringpool_template::new_key_offset): Remove code to initialize
4940         Stringpool_template::offset_.
4941         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4942         Stringpool_template::offset_ to zero.
4943
4944 2010-03-15  Doug Kwan  <dougkwan@google.com>
4945
4946         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4947         offset_.
4948         (Stringpool_template::new_key_offset): New method.
4949         (Stringpool_template::add_string): Assign offsets when adding new
4950         strings.
4951         (Stringpool_template::set_string_offsets): Do not set string offsets
4952         when not optimizing.
4953         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4954         member size_.
4955         (Chunked_vector::clear): Clear size_.
4956         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4957         (Chunked_vector::size): Return size_.
4958         (Chunked_vector::push_back): Use size_ to find insert position.
4959         (Chunked_vector::size_): New data member.
4960         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4961         (Stringpool_template::new_key_offset): New method declaration.
4962         (Stringpool_template::offset_): New data member.
4963
4964 2010-03-15   Rafael Espindola  <espindola@google.com>
4965
4966         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4967         Add_symbols' constructor.
4968         * readsyms.h (Add_symbols): Remove the input_group member.
4969
4970 2010-03-10  Ian Lance Taylor  <iant@google.com>
4971
4972         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4973         target to ask whether a reference to a symbol requires a stack
4974         split.
4975         * target.h (Target::is_call_to_non_split): New function.
4976         (Target::do_is_call_to_non_split): Declare virtual function.
4977         * target.cc: Include "symtab.h".
4978         (Target::do_is_call_to_non_split): New function.
4979         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4980
4981 2010-03-10  Cary Coutant  <ccoutant@google.com>
4982
4983         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4984         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4985         (File_read::open[2]): Add whole_file_view_ to list of views.
4986         (File_read::make_view): Remove test of whole_file_view_.
4987         (File_read::find_or_make_view): Create whole_file_view_ if
4988         necessary.
4989         (File_read::clear_views): Replace bool parameter with enum;
4990         adjust all callers.  Don't delete views with permanent data;
4991         do delete cached views and views from archives if
4992         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4993         if clearing the corresponding view.
4994         * fileread.h (File_read::Clear_views_mode): New enum.
4995         (File_read::View::is_permanent_view): New method.
4996         (File_read::clear_views): Replace bool parameter
4997         with enum; adjust all callers.
4998         * options.h (General_options): Change keep_files_mapped option;
4999         add map_whole_files.
5000         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5001         releasing the file.
5002         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5003         the file.
5004
5005 2010-03-10  David S. Miller  <davem@davemloft.net>
5006
5007         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5008
5009 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5010
5011         * icf.cc (get_section_contents): Add '@' marker after processing the
5012         merge reloc.
5013
5014 2010-03-08  Doug Kwan  <dougkwan@google.com>
5015
5016         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5017         due to a conversion warning.
5018         (Arm_relobj::update_output_local_symbol_count): Check for local
5019         symbol with unset output index.
5020
5021 2010-03-05  Ian Lance Taylor  <iant@google.com>
5022
5023         * options.h (class General_options): Add --spare-dynamic-tags.
5024         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5025         --spare-dynamic-tags.
5026
5027 2010-03-05  Ian Lance Taylor  <iant@google.com>
5028
5029         * incremental.cc: Include "libiberty.h".
5030
5031 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5032
5033         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5034         function, is_info_ member.
5035         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5036         (Versions::Versions): Update caller.
5037         (Versions::define_base_version): Likewise.
5038         (Versions::add_def): Likewise.
5039
5040 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5041
5042         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5043         (Scan::possible_function_pointer_reloc): New function.
5044         (Scan::local_reloc_may_be_function_pointer): Change to call
5045         possible_function_pointer_reloc.
5046         (Scan::global_reloc_may_be_function_pointer): Ditto.
5047         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5048         relocations in ".data.rel.ro._ZTV" section.
5049         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5050         * testsuite/icf_safe_so_test.cc: Ditto.
5051         * testsuite/icf_safe_test.cc: Ditto.
5052         * testsuite/icf_safe_test.sh: Ditto.
5053
5054 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5055             Ian Lance Taylor  <iant@google.com>
5056
5057         * target-reloc.h (relocate_section): Check the symbol table index
5058         for -1U before setting the local symbol index.
5059         (scan_relocatable_relocs): If copying the relocation, record that
5060         the local symbol is required.
5061         * object.h (Symbol_value::is_output_symtab_index_set): New
5062         function.
5063         (Symbol_value::may_be_discarded_from_output_symtab): New
5064         function.
5065         (Symbol_value::has_output_symtab_entry): New function.
5066         (Symbol_value::needs_output_symtab_entry): Remove.
5067         (Symbol_value::output_symtab_index): Make sure the symbol index is
5068         set.
5069         (Symbol_value::set_output_symtab_index): Make sure the symbol
5070         index is not set.  Make sure the new index is valid.
5071         (Symbol_value::set_must_have_output_symtab_entry): New function.
5072         (Symbol_value::has_output_dynsym_entry): New function.
5073         (Symbol_value::set_output_dynsym_index): Make sure the new index
5074         is valid.
5075         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5076         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5077         local symbol if permitted.
5078         (Sized_relobj::do_finalize_local_symbols): Call
5079         is_output_symtab_index_set rather than needs_output_symtab_entry.
5080         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5081         rather than needs_output_symtab_entry.  Call
5082         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5083         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5084         is_output_symtab_index_set rather than needs_output_symtab_entry.
5085         * testsuite/discard_locals_relocatable_test.c: New file.
5086         * testsuite/discard_locals_test.sh: Test -r.
5087         * testsuite/Makefile.am (check_DATA): Add
5088         discard_locals_relocatable_test1.syms,
5089         discard_local_relocatable_test2.syms.
5090         (MOSTLYCLEANFILES): Likewise.  Also add
5091         discard_locals_relocatable_test1.lout and
5092         discard_locals_relocatable_test2.out.
5093         (discard_locals_relocatable_test1.syms): New target.
5094         (discard_locals_relocatable_test.o): New target.
5095         (discard_locals_relocatable_test1.out): New target.
5096         (discard_locals_relocatable_test2.syms): New target.
5097         (discard_locals_relocatable_test2.out): New target.
5098         (various): Add missing ../ld-new dependencies.
5099         * testsuite/Makefile.in: Rebuild.
5100
5101 2010-03-03  Nick Clifton  <nickc@redhat.com>
5102
5103         * po/fi.po: New Finnish translation.
5104
5105 2010-03-01  Doug Kwan  <dougkwan@google.com>
5106
5107         * layout.cc (Layout::Layout): Force section types of .init_array*,
5108         .preinit_array* and .fini_array* sections.
5109         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5110         Fix check of return value of std::string::find.().
5111         (Output_section::Input_section_sort_compare::operator()): Remove
5112         comment about .init_array.
5113         (Output_section::Input_section_sort_init_fini_compare::operator()):
5114         New method.
5115         (Output_section::sort_attached_input_sections): Handle .init_array
5116         and .fini_array specially.
5117         * output.h (Output_section::Inut_section_sort_compare): Update
5118         comment.
5119         (Output_section::Input_section_sort_init_fini_compare): New struct.
5120
5121 2010-02-26  Doug Kwan  <dougkwan@google.com>
5122
5123         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5124         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5125         * testsuite/debug_msg.sh: Avoid matching source line number for
5126         use of global variable undef_int.
5127
5128 2010-02-26  Doug Kwan  <dougkwan@google.com>
5129
5130         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5131         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5132         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5133         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5134         * options.cc (General_options::General_options): Initialize member
5135         fix_v4bx_.
5136         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5137         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5138         and rm_no_fix_v4bx.stdout
5139         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5140         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5141         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5142         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5143         and arm_no_fix_v4bx.
5144         * Makefile.in: Regenerate.
5145         * testsuite/arm_fix_v4bx.s: New file.
5146         * testsuite/arm_fix_v4bx.sh: Ditto.
5147
5148 2010-02-24  Doug Kwan  <dougkwan@google.com>
5149
5150         * arm.cc (Target_arm::got_section): Make the .got section the first
5151         non RELRO section in the data segment.
5152         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5153         suffixes of section names.
5154
5155 2010-02-24  Doug Kwan  <dougkwan@google.com>
5156
5157         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5158         flags and attributes merging if an input file is a binary file.
5159         * fileread.cc (Input_file::open): Record format of original file.
5160         * fileread.h (Input_file::Format): New enum type.
5161         (Input_file::Input_file): Initialize data member format_.
5162         (Input_file::format): New method definition.
5163         (Input_file::format_):: New data member.
5164
5165 2010-02-24  Doug Kwan  <dougkwan@google.com>
5166
5167         * arm.cc (Arm_output_data_got): New class.
5168         (ARM_TCB_SIZE): New constant
5169         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5170         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5171         If user uses a script with a SECTIONS clause, issue only a warning
5172         for a misplaced EXIDX input section.  Otherwise, issue an error.
5173         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5174         garbage collection.
5175         (Target_arm::got_mode_index_entry): Handle static linking.
5176         (Target_arm::Scan::local): Ditto.
5177         (Target_arm::Scan::global): Ditto.
5178         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5179         all incorrectly implemented relocations.
5180         (Target_arm::fix_exidx_coverage): Pass layout to
5181         Arm_output_section::fix_exidx_coverage.
5182         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5183         from ".ARM.exidx." and ".ARM.extab.".
5184
5185 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5186
5187         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5188         section if it does not already exist.
5189         * attributes.cc (Attributes_section_data::Attributes_section_data):
5190         Don't crash if size is zero.
5191
5192 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5193             Ian Lance Taylor  <iant@google.com>
5194
5195         * gold.cc (queue_middle_tasks): If no input files were opened,
5196         exit.
5197         * workqueue.h (Task_function::Task_function): Assert that there is
5198         a blocker.
5199
5200 2010-02-22  Doug Kwan  <dougkwan@google.com>
5201
5202         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5203         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5204         types to avoid warnings due to different uint64_t implementations
5205         on different hosts.
5206
5207 2010-02-21  Doug Kwan  <dougkwan@google.com>
5208
5209         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5210         handling of the maximum backward branch offset.
5211         (Arm_relocate_functions::thumb_branch_common): Ditto.
5212         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5213         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5214         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5215         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5216         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5217         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5218         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5219         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5220         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5221         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5222         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5223         thumb2_bl_out_of_range.o): New rules.
5224         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5225         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5226         thumb2_bl_out_of_range
5227         * testsuite/Makefile.in: Regenerate.
5228         * testsuite/arm_bl_in_range.s: New file.
5229         * testsuite/arm_bl_out_of_range.s: Ditto.
5230         * testsuite/arm_branch_in_range.sh: Ditto.
5231         * testsuite/arm_branch_range.t: Ditto.
5232         * testsuite/thumb2_branch_range.t: Ditto.
5233         * testsuite/thumb_bl_in_range.s: Ditto.
5234         * testsuite/thumb_bl_out_of_range.s: Ditto.
5235         * testsuite/thumb_branch_range.t: Ditto.
5236
5237 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5238
5239         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5240         Add reloc offset information.
5241         * icf.cc (get_section_contents): Change iterators to point to the new
5242         vectors. Add reloc offset information to the contents.
5243         * icf.h (Icf::Sections_reachable_info): New typedef.
5244         (Icf::Sections_reachable_list): New typedef.
5245         (Icf::Offset_info): New typedef.
5246         (Icf::Reloc_info): New struct typedef.
5247         (Icf::Reloc_info_list): New typedef.
5248         (Icf::symbol_reloc_list): Delete method.
5249         (Icf::addend_reloc_list): Delete method.
5250         (Icf::section_reloc_list): Delete method.
5251         (Icf::reloc_info_list): New method.
5252         (Icf::reloc_info_list_): New member.
5253
5254 2010-02-19  Doug Kwan  <dougkwan@google.com>
5255
5256         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5257         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5258         * arm.cc (Arm_relocation_functions): New forward declaration.
5259         (Target_arm::Target_arm): Initialize new data members
5260         got_mod_index_offset_ and tls_base_symbol_defined_.
5261         (Target_arm::Relocate::relocate_tls): New method.
5262         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5263          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5264         New methods.
5265         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5266         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5267         (Target_arm::got_mod_index_offset_,
5268         Target_arm::tls_base_symbol_defined_): New data members.
5269         (Target_arm::Scan::local, Target::Scan::global,
5270         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5271         relocations.
5272
5273 2010-02-18  Doug Kwan  <dougkwan@google.com>
5274
5275         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5276         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5277         text section as a parameter becuase some broken tools may not set
5278         the link in section header.
5279         (Target_arm::has_got_section): New method.
5280         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5281         without any mapping symbol as data only.  Remove warning.
5282         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5283         link in its section header, try to discover the link by inspecting the
5284         REL31 relocation at the beginning of the section.
5285         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5286         in error message.
5287         (Target_arm::Scan::global): Treat any reference to the symbol
5288         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5289
5290 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5291
5292         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5293         (Scan::global_reloc_may_be_function_pointer): New function.
5294         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5295         (Scan::global_reloc_may_be_function_pointer): New function.
5296         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5297         (Scan::global_reloc_may_be_function_pointer): New function.
5298         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5299         (Scan::global_reloc_may_be_function_pointer): New function.
5300         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5301         (Scan::global_reloc_may_be_function_pointer): New function.
5302         (Scan::possible_function_pointer_reloc): New function.
5303         (Target_x86_64::can_check_for_function_pointers): New function.
5304         * gc.h (gc_process_relocs): Scan relocation types to determine if
5305         function pointers were taken for targets that support it.
5306         * icf.cc (Icf::find_identical_sections): Include functions for
5307         folding in safe ICF whose pointer is not taken.
5308         * icf.h (Secn_fptr_taken_set): New typedef.
5309         (fptr_section_id_): New member.
5310         (section_has_function_pointers): New function.
5311         (set_section_has_function_pointers): New function.
5312         (check_section_for_function_pointers): New function.
5313         * options.h: Fix comment for safe ICF option.
5314         * target.h (can_check_for_function_pointers): New function.
5315         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5316         Modify icf_safe_test for X86-64.
5317         * testsuite/Makefile.in: Regenerate.
5318         * testsuite/icf_safe_so_test.cc: New file.
5319         * testsuite/icf_safe_so_test.sh: New file.
5320         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5321         (main): Change to take pointer to function kept_func_3.
5322         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5323         folding is done correctly for X86-64.
5324
5325 2010-02-12  David S. Miller  <davem@davemloft.net>
5326
5327         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5328         is_symbolless parameter.
5329         (Output_reloc<SHT_REL>::is_symbolless): New.
5330         (Output_reloc<SHT_REL>::is_symbolless_): New.
5331         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5332         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5333         (Output_reloc<SHT_RELA>::is_symbolless): New.
5334         (Output_data_reloc::add_global): Handle is_symbolless.
5335         (Output_data_reloc::add_global_relative): Likewise.
5336         (Output_data_reloc::add_local): Likewise.
5337         (Output_data_reloc::add_local_relative): Likewise.
5338         (Output_data_reloc::add_symbolless_global_addend): New.
5339         (Output_data_reloc::add_symbolless_local_addend): New.
5340         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5341         is_symbolless.
5342         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5343         instead of ->is_relative_
5344         (Output_reloc::write): Likewise.
5345         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5346         (Output_reloc::write_rel): Simplify.
5347
5348         * sparc.cc (Target_sparc::Scan::local): Use
5349         ->add_symbolless_local_addend as needed.
5350         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5351         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5352         based upon relocation offset.
5353
5354 2010-02-11  Doug Kwan  <dougkwan@google.com>
5355
5356         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5357         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5358         beginning of function.
5359         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5360         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5361         parameter is_32bit in calls to should_apply_static_reloc.
5362         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5363         (check_DATA): Add arm_abs_global.stdout.
5364         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5365         arm_abs_global.stdout): New rules.
5366         (MOSTLLYCLEANFILES): Add arm_abs_global
5367         * Makefile.in: Regenerate.
5368         * testsuite/arm_abs_global.s: New file.
5369         * testsuite/arm_abs_global.sh: Ditto.
5370         * testsuite/arm_abs_lib.s: Ditto.
5371
5372 2010-02-11  Ian Lance Taylor  <iant@google.com>
5373
5374         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5375         Read_relocs task.
5376         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5377         Allocate_commons_task first.
5378         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5379         task, rather than symtab_lock_.
5380         (Gc_process_relocs::~Gc_process_relocs): New function.
5381         (Gc_process_relocs::is_runnable): Check this_blocker_.
5382         (Gc_process_relocs::locks): Use next_blocker_ rather than
5383         blocker_.
5384         (Scan_relocs::~Scan_relocs): New function.
5385         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5386         symtab_lock_.
5387         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5388         next_blocker_.
5389         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5390         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5391         constructor accordingly.
5392         (class Gc_process_relocs): Likewise.
5393         (class Scan_relocs): Likewise.
5394         * common.h (class Allocate_commons_task): Remove symtab_lock_
5395         field, and corresponding constructor parameter.
5396         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5397         symtab_lock_.
5398         (Allocate_commons_task::locks): Likewise.
5399
5400 2010-02-11  Ian Lance Taylor  <iant@google.com>
5401
5402         * gold-threads.h (class Once): Define.
5403         (class Initialize_lock): Rewrite as child of Once.
5404         * gold-threads.cc (class Once_initialize): Define.
5405         (once_pointer_control): New static variable.
5406         (once_pointer, once_arg): New static variables.
5407         (c_run_once): New static function.
5408         (Once::Once, Once::run_once, Once::internal_run): New functions.
5409         (class Initialize_lock_once): Remove.
5410         (initialize_lock_control): Remove.
5411         (initialize_lock_pointer): Remove.
5412         (initialize_lock_once): Remove.
5413         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5414         (Initialize_lock::initialize): Rewrite.
5415         (Initialize_lock::do_run_once): New function.
5416         * archive.cc (Archive::interpret_header): Only clear name if it is
5417         not already empty.
5418         * fileread.cc: Include "gold-threads.h"
5419         (file_counts_lock): New static variable.
5420         (file_counts_initialize_lock): Likewise.
5421         (File_read::release): Only increment counts when using --stats.
5422         Use a lock around the increment.
5423         * parameters.cc (class Set_parameters_target_once): Define.
5424         (set_parameters_target_once): New static variable.
5425         (Parameters::Parameters): Move here from parameters.h.
5426         (Parameters::set_target): Rewrite.
5427         (Parameters::set_target_once): New function.
5428         (Parameters::clear_target): Move here and rewrite.
5429         * parameters.h (class Parameters): Update declarations.  Add
5430         set_parameters_target_once_ field.
5431         (Parameters::Parameters): Move to parameters.cc.
5432         (Parameters::clear_target): Likewise.
5433         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5434         task.
5435         (Start_group::~Start_group): New function.
5436         (Start_group::is_runnable): New function.
5437         (Start_group::locks, Start_group::run): New functions.
5438         (Finish_group::run): Change saw_undefined to size_t.
5439         * readsyms.h (class Start_group): Define.
5440         (class Finish_group): Change saw_undefined_ field to size_t.
5441         (Finish_group::Finish_group): Remove saw_undefined and
5442         this_blocker parameters.  Change all callers.
5443         (Finish_group::set_saw_undefined): New function.
5444         (Finish_group::set_blocker): New function.
5445         * symtab.h (class Symbol_table): Change saw_undefined to return
5446         size_t.  Change saw_undefined_ field to size_t.
5447         * target-select.cc (Set_target_once::do_run_once): New function.
5448         (Target_selector::Target_selector): Initialize set_target_once_
5449         field.  Don't initialize lock_ and initialize_lock_ fields.
5450         (Target_selector::instantiate_target): Rewrite.
5451         (Target_selector::set_target): New function.
5452         * target-select.h (class Set_target_once): Define.
5453         (class Target_selector): Update declarations.  Make
5454         Set_target_once a friend.  Remove lock_ and initialize_lock_
5455         fields.  Add set_target_once_ field.
5456
5457 2010-02-10  Ian Lance Taylor  <iant@google.com>
5458
5459         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5460         queueing any tasks.
5461         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5462         (queue_middle_tasks): Add all blockers before queueing any tasks.
5463         (queue_final_tasks): Likewise.
5464         * token.h (Task_token::add_blockers): New function.
5465         * object.h (Input_objects::number_of_relobjs): New function.
5466
5467 2010-02-10  Ian Lance Taylor  <iant@google.com>
5468
5469         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5470         shared, not if not position independent.
5471         * x86_64.cc (Relocate::relocate_tls): Likewise.
5472         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5473         (tls_pie_pic_test): New target.
5474         * testsuite/Makefile.in: Rebuild.
5475
5476         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5477         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5478         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5479         * testsuite/Makefile.in: Rebuild.
5480
5481 2010-02-09  David S. Miller  <davem@davemloft.net>
5482
5483         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5484         R_SPARC_RELATIVE using ->add_local_relative().
5485         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5486
5487         * output.h (Output_data_dynamic::add_section_size): New method
5488         that takes two Output_data objects.
5489         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5490         entry param.  Handle it in initializers.
5491         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5492         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5493         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5494         arg.
5495         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5496         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5497         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5498         for dynrel_includes_plt.
5499         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5500         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5501         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5502         before .rela.plt
5503         (Target_sparc::do_finalize_sections): Update to pass true for
5504         dynrel_includes_plt.
5505         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5506         output before .rela.plt
5507         (Target_powerpc::do_finalize_sections): Update to pass true for
5508         dynrel_includes_plt when 32-bit.
5509
5510 2010-02-08  Doug Kwan  <dougkwan@google.com>
5511
5512         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5513         method.
5514         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5515         Arm_relobj::scan_section_for_cortex_a8_stubs,
5516         Arm_relobj::do_relocation_section): Instead of calling
5517         Output_section::output_address, use faster
5518         Arm_relobj::simple_input_section_output_address.
5519
5520 2010-02-08  David S. Miller  <davem@davemloft.net>
5521
5522         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5523         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5524         relocation helper function.
5525
5526         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5527         just like R_SPARC_GOT{10,13,22}.
5528         (Target_sparc::Scan::local): Likewise.
5529         (Target_sparc::Relocate:relocate): Likewise.
5530
5531 2010-02-06  Ian Lance Taylor  <iant@google.com>
5532
5533         * configure.ac: Rewrite targetobjs duplicate removal code to use
5534         only shell constructs.
5535         * configure: Rebuild.
5536
5537 2010-02-05  Doug Kwan  <dougkwan@google.com>
5538
5539         PR 11247
5540         * arm.cc (Arm_relobj::section_is_scannable): New method.
5541         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5542         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5543
5544 2010-02-04  Doug Kwan  <dougkwan@google.com>
5545
5546         PR 11247
5547         * arm-reloc-property.cc (cstdio): Include.
5548         * configure.ac (targetobjs): Remove duplicates.
5549         * configure: Regenerate.
5550         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5551         big and little endian version for a given address size.
5552
5553 2010-02-03  Doug Kwan  <dougkwan@google.com>
5554
5555         * arm-reloc-property.cc
5556         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5557         definition.
5558         * arm-reloc-property.h
5559         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5560         New method definition.
5561         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5562         declaration.
5563         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5564         overflow to N.
5565         (GOT_PREL): Change implemented to Y.
5566         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5567         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5568         (Arm_relocate_functions::movw_abs_nc): Remove method.
5569         (Arm_relocate_functions::movt_abs): Ditto.
5570         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5571         (Arm_relocate_functions::thm_movt_abs): Ditto.
5572         (Arm_relocate_functions::movw_rel_nc): Ditto.
5573         (Arm_relocate_functions::movw_rel): Ditto.
5574         (Arm_relocate_functions::movt_rel): Ditto.
5575         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5576         (Arm_relocate_functions:thm_movw_rel): Ditto.
5577         (Arm_relocate_functions:thm_movt_rel): Ditto.
5578         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5579         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5580         New method definitions.
5581         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5582         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5583         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5584         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5585         (Target_arm::Relocate::relocate): Check for non-static or
5586         unimplemented relocation code and exit early.  Change calls to
5587         Target_arm::reloc_uses_thumb_bit and
5588         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5589         instead.  Refactor code to handle similar relocations to increase
5590         code sharing.  Remove check for unsupported relocation code in switch
5591         statement.
5592         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5593         relocation property table to find out size.  Change error message to
5594         print out the name of a relocation code instead of the numeric value.
5595         (Target_arm::scan_reloc_for_stub): Use relocation property table
5596         instead of calling Target_arm::reloc_uses_thumb_bit().
5597
5598 2010-02-02  Doug Kwan  <dougkwan@google.com>
5599
5600         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5601         types of relaxed input section.
5602
5603 2010-02-02  Doug Kwan  <dougkwan@google.com>
5604
5605         * Makefile.am (HFILES): Add arm-reloc-property.h.
5606         (DEFFILES): New.
5607         (TARGETSOURCES): Add arm-reloc-property.cc
5608         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5609         (libgold_a_SOURCES): $(DEFFILES)
5610         * Makefile.in: Regenerate.
5611         * arm-reloc-property.cc: New file.
5612         * arm-reloc-property.h: New file.
5613         * arm-reloc.def: New file.
5614         * arm.cc: Update comments.
5615         (arm-reloc-property.h): New included header.
5616         (arm_reloc_property_table): New global variable.
5617         (Target_arm::do_select_as_default_target): New method definition.
5618         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5619         arm-reloc-property to targ_extra_obj.
5620         * parameters.cc (set_parameters_target): Call
5621         Target::select_as_default_target().
5622         * target.h (Target::select_as_default_target): New method definition.
5623         (Target::do_select_as_default_target): Same.
5624
5625 2010-02-01  Doug Kwan  <dougkwan@google.com>
5626
5627         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5628         first_output_text_section_.
5629         (Arm_exidx_fixup::first_output_text_section): New method definition.
5630         (Arm_exidx_fixup::first_output_text_section_): New data member.
5631         (Arm_exidx_fixup::process_exidx_section): Record the first text
5632         output section seen.
5633         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5634         and entsize in output section header.
5635
5636 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5637
5638         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5639         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5640         (Arm_relocate_functions::thm_alu11): New Method.
5641         (Arm_relocate_functions::thm_pc8): New Method.
5642         (Arm_relocate_functions::thm_pc12): New Method.
5643         (Target_arm::Scan::local): Handle the relocations.
5644         (Target_arm::Scan::global): Likewise.
5645         (Target_arm::Relocate::relocate): Likewise.
5646         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5647
5648 2010-01-29  Doug Kwan  <dougkwan@google.com>
5649
5650         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5651         of relocation types as ld.
5652
5653 2010-01-29  Doug Kwan  <dougkwan@google.com>
5654
5655         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5656         to public.
5657         (Arm_relocate_functions::thumb_branch_common): Ditto.
5658         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5659         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5660         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5661         Arm_relocate_functions::jump24): Remove.
5662         (Target_arm::Relocate::relocate): Adjust code to call
5663         Arm_relocation_functions::arm_branch_common and
5664         Arm_relocation_functions::thumb_branch_common instead of their removed
5665         wrappers.  Merge switch-cases together to reduce source code size.
5666
5667 2010-01-29  Doug Kwan  <dougkwan@google.com>
5668
5669         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5670         output_local_symbol_count_needs_update_.
5671         (Arm_relobj::output_local_symbol_count_needs_update,
5672          Arm_relobj::set_output_local_symbol_count_needs_update,
5673          Arm_relobj::update_output_local_symbol_count): New methods.
5674         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5675         member.
5676         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5677         of pointed function as in a R_ARM_PREL31 relocation.
5678         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5679         for output local symbol count updating.
5680         (Target_arm::do_relax): Update output local symbol counts in objects
5681         if necessary.
5682         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5683
5684 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5685
5686         * arm.cc: Added support for the ARM relocations:
5687         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5688         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5689         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5690         movw_prel_nc).
5691         (Arm_relocate_functions::movw_rel): New method.
5692         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5693         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5694         thm_movw_prel_nc).
5695         (Arm_relocate_functions::thm_movw_rel): New method.
5696         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5697         thm_movt_prel).
5698         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5699         relocations.
5700         (Target_arm::Scan::global): Likewise.
5701         (Target_arm::Relocate::relocate): Likewise.
5702         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5703         Likewise.
5704
5705 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5706
5707         * arm.cc: Added support for ARM group relocations.
5708         (Target_arm::reloc_needs_sym_origin): New method.
5709         (Arm_relocate_functions::calc_grp_kn): New method.
5710         (Arm_relocate_functions::calc_grp_residual): New method.
5711         (Arm_relocate_functions::calc_grp_gn): New method.
5712         (Arm_relocate_functions::arm_grp_alu): New Method.
5713         (Arm_relocate_functions::arm_grp_ldr): New Method.
5714         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5715         (Arm_relocate_functions::arm_grp_ldc): New Method.
5716         (Target_arm::Scan::local): Handle the ARM group relocations.
5717         (Target_arm::Scan::global): Likewise.
5718         (Target_arm::Relocate::relocate): Likewise.
5719         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5720         Likewise.
5721
5722 2010-01-26  Doug Kwan  <dougkwan@google.com>
5723
5724         * arm.cc (set): Include.
5725         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5726         pointer type.
5727         (Arm_output_section::Text_section_list): New type.
5728         (Arm_output_section::append_text_sections_to_list): New method.
5729         (Arm_output_section::fix_exidx_coverage): Ditto.
5730         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5731         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5732         Relobj::set_section_offset() instead of
5733         Sized_relobj::invalidate_section_offset().
5734         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5735         parameter for section headers. Ignore relocation sections for
5736         unallocated sections and EXIDX sections.
5737         (Target_arm::fix_exidx_coverage): New method.
5738         (Target_arm::output_section_address_less_than): New type.
5739         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5740         linked text section instead of the EXIDX section.
5741         (Arm_output_section::create_stub_group): Add an assertion to check
5742         that this is not an EXIDX output section.
5743         (Arm_output_section::append_text_sections_to_list): New method.
5744         (Arm_output_section::fix_exidx_coverage): Ditto.
5745         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5746         Arm_relobj::section_needs_reloc_stub_scanning.
5747         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5748         first pass.
5749         (Target_arm::fix_exidx_coverage): New method.
5750         * object.h (Relobj::set_output_section): New method.
5751         (Sized_relobj::invalidate_section_offset): Remove method.
5752         (Sized_relobj::do_invalidate_section_offset): Remove method.
5753         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5754
5755 2010-01-25  Doug Kwan  <dougkwan@google.com>
5756
5757         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5758         Fix warning due to signed and unsigned comparison on a 32-bit host.
5759
5760 2010-01-22  Doug Kwan  <dougkwan@google.com>
5761
5762         * arm.cc (Target_arm::do_relax): Record an output section for section
5763         offset adjustment it contains any stub table that has changed.
5764         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5765         offsets in an output section if necessary.
5766         * output.cc (Output_section::Output_section): Initialize
5767         section_offsets_need_adjustments_.
5768         (Output_section::add_input_section_for_script): Renamed to
5769         Output_section::add_simple_input_section.
5770         (Output_section::save_states): Add a comment.
5771         (Output_section::discard_states): New method defintion.
5772         (Output_section::adjust_section_offsets): Same.
5773         * output.h (Output_section::add_input_section_for_script): Renamed to
5774         Output_section::add_simple_input_section.
5775         (Output_section::discard_states): New method declaration.
5776         (Output_section::adjust_section_offsets): Same.
5777         (Output_section::section_offsets_need_adjustment,
5778         Output_section::set_section_offsets_need_adjustment): New method
5779         definitions.
5780         (Output_section::section_offsets_need_adjustment_): New data member.
5781         * script-sections.cc
5782         (Output_section_element_input::set_section_address): Adjust code for
5783         renaming of Output_section::add_input_section_for_script.
5784         (Orphan_output_section::set_section_address): Same.
5785
5786 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5787
5788         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5789         Fix_v4bx enum values .
5790         * gold/options.h (General_options): New option definitions.
5791         (General_options::fix_v4bx): New method.
5792         (General_options::Fix_v4bx): New enum.
5793         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5794         (General_options::parse_fix_v4bx_interworking): New method.
5795
5796 2010-01-22  Doug Kwan  <dougkwan@google.com>
5797
5798         * arm.cc (Arm_exidx_fixup): New class.
5799
5800 2010-01-21  Doug Kwan  <dougkwan@google.com>
5801
5802         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5803         classes.
5804         (Arm_exidx_section_offset_map): New type.
5805
5806 2010-01-21  Doug Kwan  <dougkwan@google.com>
5807
5808         * arm.cc (Arm_exidx_input_section): New class.
5809         (Arm_relobj::exidx_input_section_by_link,
5810         Arm_relobj::exidx_input_section_by_shndx,
5811         Arm_relobj::make_exidx_input_section): New methods.
5812         (read_arm_attributes_section): Remove.
5813         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5814         information about them.
5815         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5816         to here.
5817
5818 2010-01-20  Doug Kwan  <dougkwan@google.com>
5819
5820         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5821         Input_section_specifier to Section_id.
5822         (Target_arm::new_arm_input_section: Adjust code for change of key
5823         type.
5824         (Target_arm::find_arm_input_section): Ditto.
5825         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5826         (Section_id): Remove.
5827         (Garbage_collection::Section_id_hash): Remove.
5828         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5829         (Section_id): Remove.
5830         (Icf::Section_id_hash): Remove.
5831         * object.h (Section_id, Const_section_id, Section_id_hash,
5832         Const_section_id_hash): New type definitions.
5833         * output.cc (Output_section::add_relaxed_input_section): Change to
5834         use Const_section_id instead of Input_section_specifier as key type.
5835         (Output_section::add_merge_input_section): Ditto.
5836         (Output_section::build_relaxation_map): Change to use Section_id
5837         instead of Input_section_specifier as key type.
5838         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5839         Ditto.
5840         (Output_section::convert_input_sections_to_relaxed_sections): Change
5841         to use Const_section_id instead of Input_section_specifier as key type.
5842         (Output_section::find_merge_section): Ditto.
5843         (Output_section::find_relaxed_input_section): Ditto.
5844         * output.h (Input_section_specifier): Remove class.
5845         (Output_section::Output_section_data_by_input_section_map): Change
5846         key type to Const_section_id.
5847         (Output_section::Output_relaxed_input_section_by_input_section_map):
5848         Ditto.
5849         (Output_section::Relaxation_map): Change key type to Section_id.
5850
5851 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5852
5853         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5854         (class Arm_v4bx_stub): New class.
5855         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5856         (Stub_factory::make_arm_v4bx_stub): New method.
5857         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5858         (Stub_table::empty): Handle v4bx stubs.
5859         (Stub_table::add_arm_v4bx_stub): New method.
5860         (Stub_table::find_arm_v4bx_stub): New method.
5861         (Arm_relocate_functions::v4bx): New method.
5862         (Target_arm::fix_v4bx): New method.
5863         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5864         (Stub_table::relocate_stubs): Likewise.
5865         (Stub_table::do_write): Likewise.
5866         (Stub_table::update_data_size_and_addralign): Likewise.
5867         (Stub_table::finalize_stubs):  Likewise.
5868         (Target_arm::Scan::local): Likewise.
5869         (Target_arm::Scan::global): Likewise.
5870         (Target_arm::do_finalize_sections): Likewise.
5871         (Target_arm::Relocate::relocate): Likewise.
5872         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5873         Likewise.
5874         (Target_arm::scan_reloc_for_stub): Likewise.
5875         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5876
5877 2010-01-19  Ian Lance Taylor  <iant@google.com>
5878
5879         * output.cc (Output_section_headers::do_sized_write): Write large
5880         segment count to sh_info field.
5881         (Output_file_header::do_sized_write): For large segment count,
5882         write PN_XNUM to e_phnum field.
5883
5884 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5885
5886         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5887         (Arm_relocate_functions::thm_jump8): New function.
5888         (Arm_relocate_functions::thm_jump11): New function.
5889         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5890         R_ARM_THM_JUMP11.
5891         (Target_arm::Scan::global): Likewise.
5892         (Target_arm::Relocate::relocate): Likewise.
5893         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5894         Likewise.
5895
5896 2010-01-14  Doug Kwan  <dougkwan@google.com>
5897
5898         * arm.cc (map, utility): Include headers.
5899         (Target_arm::apply_cortex_a8_workaround): New method.
5900         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5901         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5902         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5903         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5904         the --[no-]fix-cortex-a8 command line options.
5905         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5906         (Target_arm::relocate_stub): Use addend in instruction template.
5907         * options.h (DEFINE_bool): Set the user-set flag.
5908         (General_options): Add --[no-]-fix-cortex options.
5909         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5910         : Update fast look-up map after conversion.
5911
5912 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5913
5914         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5915         in the first pass of do_layout.
5916
5917 2010-01-13  Doug Kwan  <dougkwan@google.com>
5918
5919         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5920         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5921         apparent compiler problem of not folding static constant integral
5922         data members of elfcpp::Elf_sizes<32>.
5923
5924 2010-01-13  Doug Kwan  <dougkwan@google.com>
5925
5926         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5927         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5928         Arm_relobj::scan_section_for_cortex_a8_erratum,
5929         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5930         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5931         sections to scan for relocation stubs into a new method
5932         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5933         relocation and Cortex-A8 stub scanning.
5934         (Target_arm::do_relax): Force stubs to be after stubbed sections
5935         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5936         the beginning of a new relaxation pass.  Update a comment.
5937         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5938
5939 2010-01-12  Ian Lance Taylor  <iant@google.com>
5940
5941         * target-reloc.h (visibility_error): New inline function.
5942         (relocate_section): Call visibility_error.
5943         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5944         (MOSTLYCLEANFILES): Likewise.
5945         (protected_4_pic.o, protected_3.err): New targets.
5946         * testsuite/protected_4.cc: New file.
5947
5948 2010-01-12  Doug Kwan  <dougkwan@google.com>
5949
5950         * arm.cc (Cortex_a8_reloc): New class.
5951         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5952         and cortex_a8_relocs_info_.
5953         (Target_arm::fix_cortex_a8): New method definition.
5954         (Target_arm::Cortex_a8_relocs_info): New type.
5955         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5956         New data member declarations.
5957         (Target_arm::scan_reloc_for_stub): Record information about
5958         relocations for THUMB branches that might be exempted from the
5959         Cortex-A8 workaround.
5960         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5961         at the beginning of a relaxation pass.
5962
5963 2010-01-12  Doug Kwan  <dougkwan@google.com>
5964
5965         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5966         (Arm_relobj::Mapping_symbol_position,
5967          Arm_reloj::Mapping_symbol_position_less,
5968          Arm_relobj::Mapping_symbols_info): New types.
5969         (Target_arm::is_mapping_symbol_name): New method definition.
5970         (Arm_relobj::do_count_local_symbols): Save information about mapping
5971         symbols.
5972
5973 2010-01-11  Doug Kwan  <dougkwan@google.com>
5974
5975         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5976         Arm_relocate_functions::thumb32_branch_upper,
5977         Arm_relocate_functions::thumb32_branch_lower,
5978         Arm_relocate_functions::thumb32_cond_branch_offset,
5979         Arm_relocate_functions::thumb32_cond_branch_upper,
5980         Arm_relocate_functions::thumb32_cond_branch_lower,
5981         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5982         branch offset encoding.
5983         (Arm_relocate_functions::thumb_branch_common): Use new branch
5984         offset encoding methods to avoid code duplication.
5985         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5986         (Stub_addend_reader::operator()): Use new branch encoding method
5987         to avoid code duplication.
5988
5989 2010-01-11  Doug Kwan  <dougkwan@google.com>
5990
5991         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5992         (Target_arm::do_finalize_sections): Define special EXIDX section
5993         symbols only if referenced.
5994         * gc.h (Garbage_collection::add_reference): New method.
5995         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5996         code duplication.
5997
5998 2010-01-11  Ian Lance Taylor  <iant@google.com>
5999
6000         * script.cc (Version_script_info::build_expression_list_lookup):
6001         Change complaing about duplicate wildcard match from error to
6002         warning.
6003
6004         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6005         of 2009-12-30.
6006         (Version_script_info::Version_script_info): Initialize globs_,
6007         default_version_, default_is_global_, and exact_.  Don't
6008         initialize globals_ or locals_.
6009         (Version_script_info::build_lookup_tables): Build local symbols
6010         first.
6011         (Version_script_info::unquote): New function.
6012         (Version_script_info::add_exact_match): New function.
6013         (Version_script_info::build_expression_list_lookup): Remove lookup
6014         parameter.  Add is_global parameter.  Change all callers.  Handle
6015         wildcard pattern specially.  Unquote pattern.  Call
6016         add_exact_match.
6017         (Version_script_info::get_name_to_match): New function.
6018         (Version_script_info::get_symbol_version): New function.
6019         (Version_script_info::get_symbol_version_helper): Remove.
6020         (Version_script_info::check_unmatched_names): Call unquote.
6021         * script.h (class Version_script_info): Change get_symbol_version
6022         to be non-inline and add is_global parameter; change all callers.
6023         Rewrite symbol_is_local.  Update declarations.  Define struct
6024         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6025         Remove globals_ and locals_ members.  Add exact_, globs_,
6026         default_version_, is_global_.
6027         (Version_script_info::Glob): Remove pattern, add expression and
6028         is_global.  Update constructor.  Change all callers.
6029         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6030         default version.
6031         (Versions::symbol_section_contents): If a symbol is undefined, or
6032         defined in a dynamic object, set the version index to
6033         VER_NDX_LOCAL.
6034         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6035         symbol_is_local.
6036         (Symbol_table::add_from_pluginobj): Likewise.
6037         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6038
6039 2010-01-11  Doug Kwan  <dougkwan@google.com>
6040
6041         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6042         (incremental_dump_LDADD): Add linking option for libintl.
6043         * Makefile.in: Regenerate.
6044
6045 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6046
6047         PR gold/11144
6048         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6049         instead of -Ds.
6050         * testsuite/Makefile.in: Regenerated.
6051
6052 2010-01-10  Doug Kwan  <dougkwan@google.com>
6053
6054         * options.h (DEFINE_var): Use parentheses around argument varname__
6055         in macro body to avoid any unintended subsequent substitutions.
6056
6057 2010-01-10  Ian Lance Taylor  <iant@google.com>
6058
6059         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6060         candidates before doing symbol resolution.
6061
6062         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6063         ODR candidates if only one is weak.
6064
6065 2010-01-08  Ian Lance Taylor  <iant@google.com>
6066
6067         * script.cc (Version_script_info::build_expression_list_lookup):
6068         Don't warn about ambiguous version, just record the ambiguity.
6069         (Version_script_info::get_symbol_version_helper): Give error if
6070         version is ambiguous.
6071
6072 2010-01-08  Doug Kwan  <dougkwan@google.com>
6073
6074         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6075           prev_data_size_ and prev_addralign_.  Remove initializer for
6076           deleted data member has_been_changed_.
6077           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6078           to determine if the table is empty.
6079           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6080           Remove.
6081           (Stub_table::add_reloc_stub): Define method in class definition
6082           instead of just declaring it there.
6083           (Stub_table::add_cortex_a8_stub): New method definition.
6084           (Stub_table::update_data_size_and_addralign): Ditto.
6085           (Stub_table::finalize_stubs): Ditto.
6086           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6087           (Stub_table::do_addralign_): Return address alignment in the
6088           (Stub_table::do_reset_address_and_file_offset): Define method in
6089           class definition instead of declaring it there.  Set current data
6090           size to be the data size of the previous pass.
6091           (Stub_table::set_final_data_size): Use current data size as the
6092           final data size.
6093           (Stub_table::relocate_stub): Change parameter type of stub from
6094           Reloc_stub pointer to Stub pointer.
6095           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6096           (Stub_table::Cortex_a8_stub_list): New typedef.
6097           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6098            Stub_table::prev_addralign_): New data member.
6099           (Arm_relobj::Arm_relobj): Initialize data member
6100           section_has_cortex_a8_workaround_.
6101           (Arm_relobj::section_has_cortex_a8_workaround,
6102            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6103            definitions.
6104           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6105           declarations.
6106           (Target_arm::relocate_stub): Change parameter type of stub from
6107           Reloc_stub pointer to Stub pointer.
6108           (Insn_template::size, Insn_template::alignment): Handle
6109           THUMB16_SPECIAL_TYPE.
6110           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6111            Stub_table::update_data_size_and_addralign,
6112            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6113           definitions.
6114           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6115           (Stub_table::do_write): Ditto.
6116           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6117
6118 2010-01-08  Ian Lance Taylor  <iant@google.com>
6119
6120         PR 11108
6121         * symtab.h (class Symbol): Remove fields is_target_special_ and
6122         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6123         (Symbol::is_defined_in_discarded_section): New function.
6124         (Symbol::set_is_defined_in_discarded_section): New function.
6125         (Symbol::has_plt_offset): Rewrite.
6126         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6127         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6128         Don't initialize is_target_special_ or has_plt_offset_.
6129         Initialize is_defined_in_discarded_section_.
6130         (Symbol_table::add_from_relobj): If appropriate, set
6131         is_defined_in_discarded_section.
6132         * resolve.cc (Symbol::override_base_with_special): Don't test
6133         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6134         * target-reloc.h (relocate_section): Do special handling for
6135         symbols defined in discarded sections for global symbols as well
6136         as local symbols.
6137
6138 2010-01-08  Ian Lance Taylor  <iant@google.com>
6139
6140         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6141         the SHT_SYMTAB case.
6142
6143 2010-01-08  Ian Lance Taylor  <iant@google.com>
6144
6145         * object.cc (Sized_relobj::do_layout): Don't get confused if
6146         layout_eh_frame returns NULL.
6147
6148 2010-01-08  Ian Lance Taylor  <iant@google.com>
6149
6150         PR 11084
6151         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6152         dynamic symbol table, use the normal symbol table.
6153         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6154         symbol table.
6155
6156 2010-01-08  Ian Lance Taylor  <iant@google.com>
6157
6158         PR 11072
6159         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6160         sections.
6161
6162 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6163
6164         * version.cc (print_version): Change to "Copyright 2010".
6165
6166 2010-01-08  Ian Lance Taylor  <iant@google.com>
6167
6168         PR 10287
6169         PR 11063
6170         * i386.cc (class Target_i386): Change return type of plt_section
6171         to be non-const.
6172         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6173         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6174         tls_desc_rel_ field.
6175         (Output_data_plt_i386::rel_tls_desc): New function.
6176         (Target_i386::rel_tls_desc_section): New function.
6177         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6178         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6179         R_386_TLS_DESC reloc in rel_tls_desc_section.
6180         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6181         Define struct Tlsdesc_info.
6182         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6183         (Target_x86_64::do_reloc_symbol_index): New function.
6184         (Target_x86_64::add_tlsdesc_info): New function.
6185         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6186         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6187         tlsdesc_rel_ field.
6188         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6189         all callers.
6190         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6191         (Target_x86_64::rela_tlsdesc_section): New function.
6192         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6193         handling.
6194         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6195         (Target_x86_64::do_reloc_addend): New function.
6196         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6197         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6198         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6199         (Output_reloc::type): New function.
6200         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6201         (Output_reloc::is_target_specific): New function.
6202         (Output_reloc::target_arg): New function.
6203         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6204         absolute relocs and target specific relocs.
6205         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6206         add_target_specific.
6207         (class Output_data_reloc) [SHT_RELA]: Likewise.
6208         * output.cc (Output_reloc::Output_reloc): Add four new versions
6209         for absolute relocs and target specific relocs.
6210         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6211         (Output_reloc::get_symbol_index): Likewise.
6212         (Output_reloc::local_section_offset): Check that local_sym_index_
6213         is not TARGET_CODE or 0.
6214         (Output_reloc::symbol_value): Likewise.
6215         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6216         reloc.
6217         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6218         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6219         functions.
6220         * layout.cc (add_target_dynamic_tags): Use output section for
6221         DT_PLTRELSZ and DT_JMPREL.
6222
6223 2010-01-07  Ian Lance Taylor  <iant@google.com>
6224
6225         PR 11061
6226         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6227         function.
6228         (class Output_data_reloc_generic): Define.
6229         (class Output_data_reloc_base): Change base class to
6230         Output_data_reloc_generic.  Change add() method to call
6231         bump_relative_reloc_count for a relative reloc.  Remove
6232         sort_relocs_ field.
6233         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6234         to sort_relocs().
6235         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6236         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6237         appropriate.
6238         * layout.h (class Layout): Update declaration.
6239
6240 2010-01-07  Ian Lance Taylor  <iant@google.com>
6241
6242         * output.h (class Output_data): Add const version of
6243         output_section and do_output_section.
6244         (class Output_section_data): Add const version of
6245         do_output_section.
6246         (class Output_section): Likewise.
6247         * layout.cc (Layout::add_target_dynamic_tags): New function.
6248         * layout.h (class Layout): Update declarations.
6249         * arm.cc (Target_arm::do_finalize_sections): Use
6250         add_target_dynamic_tags.
6251         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6252         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6253         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6254         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6255
6256 2010-01-07  Ian Lance Taylor  <iant@google.com>
6257
6258         PR 11042
6259         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6260         object as needed.
6261
6262 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6263             Ian Lance Taylor  <iant@google.com>
6264
6265         PR 11019
6266         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6267         Xindex::read_symtab_xindex.
6268
6269 2010-01-07  Doug Kwan  <dougkwan@google.com>
6270
6271         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6272         (Insn_template::thumb16_bcond_insn): New method declaration.
6273         (Insn_template): Fix spelling.
6274         (Stub::thumb16_special): New method declaration.
6275         (Stub::do_write): Define virtual method which was previously pure
6276         virtual.
6277         (Stub::do_thumb16_special): New method declaration.
6278         (Stub::do_fixed_endian_write): New template member.
6279         (Reloc_stub::do_write): Remove.
6280         (Reloc_stub::do_fixed_endian_write): Remove.
6281         (Cortex_a8_stub): New class definition.
6282         (Stub_factory::make_cortex_a8_stub): New method definition.
6283         (Stub_factory::Stub_factory): Add missing static storage class
6284         qualifier for elf32_arm_stub_a8_veneer_blx.
6285
6286 2010-01-07  Ian Lance Taylor  <iant@google.com>
6287
6288         PR 10980
6289         * options.h (class General_options): Add --warn-unresolved-symbols
6290         and --error-unresolved-symbols.
6291         * errors.cc (Errors::undefined_symbol): Implement
6292         --warn-unresolved-symbols.
6293
6294         * options.h (class General_options): Add -z text and -z textoff.
6295         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6296
6297 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6298
6299         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6300         (Garbage_collection::cident_sections): New function.
6301         (Garbage_collection::add_cident_section): New function.
6302         (Garbage_collection::cident_sections_): New member.
6303         (gc_process_relocs): Add references to sections whose names are C
6304         identifiers.
6305         * gold.h (cident_section_start_prefix): New constant.
6306         (cident_section_stop_prefix): New constant.
6307         (is_cident): New function.
6308         * layout.cc (Layout::define_section_symbols): Replace string constants
6309         with the newly defined constants.
6310         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6311         C identifiers.
6312         * testsuite/Makefile.am: Add gc_orphan_section_test.
6313         * testsuite/Makefile.in: Regenerate.
6314         * testsuite/gc_orphan_section_test.cc: New file.
6315         * testsuite/gc_orphan_section_test.sh: New file.
6316
6317 2010-01-06  Ian Lance Taylor  <iant@google.com>
6318
6319         PR 10980
6320         * options.h (class General_options): Add --warn-shared-textrel.
6321         * layout.cc (Layout::finish_dynamic_section): Implement
6322         --warn-shared-textrel.
6323
6324         PR 10980
6325         * options.h (class General_options): Add --warn-multiple-gp.
6326
6327 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6328
6329         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6330         $(THREADSLIB) and $(LIBDL).
6331         * Makefile.in: Rebuild.
6332
6333 2010-01-06  Ian Lance Taylor  <iant@google.com>
6334
6335         PR 10980
6336         * options.cc (General_options::parse_section_start): New function.
6337         (General_options::section_start): New function.
6338         (General_options::General_options): Initialize all members.
6339         * options.h: Include <map>
6340         (class General_options): Add --section-start.  Add section_starts_
6341         member.
6342         * layout.cc (Layout::attach_allocated_section_to_segment): If
6343         --section-start was used, set the address of the segment.  Remove
6344         local sort_sections.
6345         (Layout::relaxation_loop_body): If the address of the load segment
6346         has been set by --section-start, don't use it.
6347         * output.h (Output_segment::update_flags_for_output_section): New
6348         function.
6349         * output.cc (Output_segment::add_output_section): Call
6350         update_flags_for_output_section.
6351
6352 2010-01-05  Ian Lance Taylor  <iant@google.com>
6353
6354         PR 10980
6355         * options.h (class General_options): Add --undefined-version.
6356         * script.cc (struct Version_expression): Add was_matched_by_symbol
6357         field.
6358         (Version_script_info::matched_symbol): New function.
6359         (Version_script_info::get_symbol_version_helper): Call
6360         matched_symbol.
6361         (Version_script_info::check_unmatched_names): New function.
6362         * script.h (class Version_script_info): Update declarations.
6363         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6364
6365         * options.h (class General_options): Use DEFINE_bool_alias for
6366         allow_multiple_definition.
6367         * resolve.cc (Symbol_table::should_override): Don't test
6368         allow_multiple_definition.
6369
6370         PR 10980
6371         * options.h (class General_options): Add --cref.
6372         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6373         until after printing cref table.
6374         * cref.cc: Include "symtab.h".
6375         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6376         (Cref_table_compare::operator()): New function.
6377         (Cref_inputs::gather_cref): New function.
6378         (filecol): New static const.
6379         (Cref_inputs::print_cref): New function.
6380         (Cref::print_cref): New function.
6381         * cref.h: Include <cstdio>.
6382         (class Cref): Update declarations.
6383         * mapfile.h (Mapfile::file): New function.
6384         * object.h (class Object): Define Symbols.  Declare virtual
6385         do_get_global_symbols.
6386         (Object::get_global_symbols): New function.
6387         * object.cc (Input_objects::add_object): Pass object to cref_ if
6388         --cref.
6389         (Input_objects::archive_start): Likewise.
6390         (Input_objects::archive_stop): Likewise.
6391         (Input_objects::print_cref): New function.
6392         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6393         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6394         --cref.
6395         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6396         function.
6397         * plugin.h (class Sized_pluginobj): Update declarations.
6398
6399 2010-01-05  Ian Lance Taylor  <iant@google.com>
6400
6401         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6402         to is_default_version.  Rename insdef to insdefault.
6403         (Symbol_table::add_from_relobj): Rename def to is_default_version
6404         and local to is_forced_local.
6405         (Symbol_table::add_from_pluginobj): Likewise.
6406         (Symbol_table::add_from_dynobj): Likewise.
6407         (Symbol_table::define_special_symbol): Rename insdef to
6408         insdefault.
6409
6410 2010-01-04  Ian Lance Taylor  <iant@google.com>
6411
6412         PR 10980
6413         * options.h (class General_options): Add
6414         --allow-multiple-definition and -z muldefs.
6415         * resolve.cc (Symbol_table::should_override): Don't warn about a
6416         multiple symbol definition if --allow-multiple-definition or -z
6417         muldefs.
6418
6419         PR 10980
6420         * options.h (class General_options): Add --add-needed and
6421         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6422         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6423         error if --copy-dt-needed-entries aka --add-needed is used and
6424         would cause a change in behaviour.
6425
6426         PR 10980
6427         * options.h (class General_options): Add -G as a short version of
6428         --shared.  Add no-op options -assert, -g, and -i.
6429
6430 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6431
6432         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6433         check for .text or .gnu.linkonce.t sections.
6434         * icf.cc (Icf::find_identical_sections): Ditto.
6435         Change the detection for mangled function name within the section
6436         name.
6437         * icf.h (is_section_foldable_candidate): New function.
6438
6439 2009-12-30  Ian Lance Taylor  <iant@google.com>
6440
6441         PR 10980
6442         * options.h (class General_options): Permit two dashes with
6443         --retain-symbols-file.
6444
6445 2009-12-30  Ian Lance Taylor  <iant@google.com>
6446
6447         PR 10979
6448         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6449         don't put the file header and segment headers in the text
6450         segment.
6451
6452         PR 10979
6453         * common.cc (Sort_commons::operator()): Stabilize sort when both
6454         entries are NULL.
6455         (Symbol_table::do_allocate_commons_list): When allocating common
6456         symbols, skip a symbol which is no longer common.
6457         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6458         an object before checking its type.
6459         * testsuite/common_test_2.c: New file.
6460         * testsuite/common_test_3.c: New file.
6461         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6462         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6463         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6464         (common_test_2_pic.o, common_test_2.so): New targets.
6465         (common_test_3_pic.o, common_test_3.so): New targets.
6466         * testsuite/Makefile.in: Rebuild.
6467
6468         PR 10979
6469         * script.cc (read_input_script): If we see a new SECTIONS clause,
6470         and we have added an input section, give an error.
6471         * layout.h (class Layout): Add have_added_input_section function.
6472         Add have_added_input_section_ field.
6473         * layout.cc (Layout::Layout): Initialize
6474         have_added_input_section_.
6475         (Layout::layout): Set have_added_input_section_.
6476         (Layout::layout_eh_frame): Likewise.
6477
6478 2009-12-30  Ian Lance Taylor  <iant@google.com>
6479
6480         PR 10931
6481         * options.h (class General_options): Add --sort-common option.
6482         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6483         * common.cc (Sort_common): Add sort_order parameter to
6484         constructor.  Add sort_order_ field.
6485         (Sort_commons::operator): Check sort_order_.
6486         (Symbol_table::allocate_commons): Determine the sort order.
6487         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6488         Change all callers.
6489         (Symbol_table::do_allocate_commons_list): Likewise.
6490
6491 2009-12-30  Ian Lance Taylor  <iant@google.com>
6492
6493         PR 10916
6494         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6495         symbols from this object, don't change the visibility of an
6496         undefined symbol.
6497         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6498
6499 2009-12-30  Ian Lance Taylor  <iant@google.com>
6500
6501         PR 10861
6502         * script.h (class Version_script_info): Define Language enum.
6503         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6504         new fields globals_, locals_, and is_finalized_.
6505         * script.cc: Various formatting fixes.
6506         (class Parser_closure): Change language_stack_ from a vector of
6507         std::string to one of Version_script_info::Language.  Adjust all
6508         uses accordingly.
6509         (class Lazy_demangler): Remove.
6510         (struct Version_expression): Change language from std::string to
6511         Version_script_info::Language.
6512         (Version_script_info::Version_script_info): New function.
6513         (Version_script_info::~Version_script_info): Don't call clear.
6514         (Version_script_info::finalize): New function.
6515         (Version_script_info::build_lookup_tables): New function.
6516         (Version_script_info::build_expression_list_lookup): New
6517         function.
6518         (Version_script_info::get_symbol_version_helper): Rewrite to use
6519         lookup tables.
6520         (Version_script_info::print_expression_list): Adjust to use
6521         Version_script_info::Language.
6522         (script_push_lex_into_version_mode): Check that the version script
6523         has not been finalized.
6524         (version_script_push_lang): Change language string to
6525         Version_script_info::Language.
6526         * options.cc (Command_line::version_script): New function.
6527         * options.h (class General_options): Add finalize_dynamic_list
6528         function.  Change version_script from declaration to definition.
6529         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6530         * testsuite/version_script.map: Remove duplicate def of foo.
6531         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6532         version_script.map.
6533         * testsuite/Makefile.in: Rebuild.
6534
6535 2009-12-30  Ian Lance Taylor  <iant@google.com>
6536
6537         PR 10843
6538         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6539         if the input symbol index is 0, make the output symbol index 0.
6540
6541 2009-12-30  Ian Lance Taylor  <iant@google.com>
6542
6543         PR 10670
6544         * options.h (class General_options): Add -x/--discard-all.
6545         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6546         --discard-all.  If the local symbol needs a dynamic entry, check
6547         that before handling --discard-locals.
6548
6549 2009-12-30  Ian Lance Taylor  <iant@google.com>
6550
6551         PR 10450
6552         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6553         flags to PF_R.
6554         (Output_segment::add_output_section): Don't change the flags if
6555         the type is PT_TLS.
6556
6557         PR 10450
6558         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6559         GNU hash table if they need a dynamic value.  Otherwise, don't add
6560         them if they are defined in a dynamic object or are forced local.
6561
6562 2009-12-29  Ian Lance Taylor  <iant@google.com>
6563
6564         PR 10450
6565         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6566         .gnu.hash table for a 32-bit target.
6567
6568         PR 10450
6569         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6570         regular and a dynamic object only needs a dynamic symbol table
6571         entry if it is externally visible.
6572
6573         PR 10450
6574         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6575         constructor.  Add global_offset_table_ field.
6576         (Target_i386::got_section): Set global_offset_table_.
6577         (Target_i386::do_finalize_sections): Set global_offset_table_
6578         size.
6579         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6580         in constructor.  Add global_offset_table_ field.
6581         (Target_x86_64::got_section): Set global_offset_table_.
6582         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6583         size.
6584
6585         * layout.cc (Layout::Layout): Initialize increase_relro_.
6586         (Layout::get_output_section): Add is_relro, is_last_relro, and
6587         is_first_non_relro parameters.  Change all callers.
6588         (Layout::choose_output_section): Likewise.
6589         (Layout::add_output_section_data): Likewise.
6590         (Layout::make_output_section): Likewise.
6591         (Layout::set_segment_offsets): Clear increase_relro when using a
6592         linker script.
6593         * layout.h (class Layout): Add increase_relro method.  Add
6594         increase_relro_ field.  Update declarations.
6595         * output.cc (Output_section::Output_section): Initialize
6596         is_last_relro_ and is_first_non_relro_.
6597         (Output_segment::add_output_section): Group relro sections is
6598         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6599         (Output_segment::maximum_alignment): Remove relro handling.
6600         (Output_segment::set_section_addresses): Add increase_relro
6601         parameter.  Change all callers.  Add initial alignment to align
6602         relro sections on separate page.  Remove old relro handling.
6603         (Output_segment::set_section_list_addresses): Remove in_relro
6604         parameter.  Change all callers.
6605         (Output_segment::set_offset): Add increase parameter.  Change all
6606         callers.  Remove old relro handling.
6607         * output.h (class Output_section): Add new methods: is_last_relro,
6608         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6609         Add is_last_relro_ and is_first_non_relro_ fields.
6610         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6611         Create separate .got.plt section.  Call increase_relro.
6612         * x86_64.cc (Target_x86_64::got_section): Likewise.
6613         * testsuite/relro_script_test.t: Add .got.plt.
6614
6615         PR 10450
6616         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6617         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6618         (Layout::finalize): Call set_dynamic_symbol_size.
6619         (Layout::set_dynamic_symbol_size): New function.
6620         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6621         set_dynamic_symbol_size.
6622
6623         PR 10450
6624         * output.h (class Output_section): Add is_entsize_zero_ field.
6625         * output.cc (Output_section::Output_section): Initialize
6626         is_entsize_zero_.
6627         (Output_section::set_entsize): If two different entsizes are
6628         requested, force it to zero.
6629         (Output_section::add_input_section): Set flags for .debug_str
6630         before updating section flags.  Set entsize.
6631         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6632         and SHF_STRING if all input sections have those flags.
6633
6634 2009-12-29   Rafael Espindola  <espindola@google.com>
6635
6636         * main.cc (main): Fix the sys time reporting.
6637         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6638         reporting.
6639
6640 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6641
6642         * options.cc (General_options::parse_version): Allow -v to exit
6643         without an error if there is nothing to link.
6644
6645 2009-12-29  Ian Lance Taylor  <iant@google.com>
6646
6647         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6648         using a version of gcc before 4.1.
6649         * configure: Rebuild.
6650
6651 2009-12-28  Chris Demetriou  <cgd@google.com>
6652
6653         * attributes.cc (Output_attributes_section_data::do_write): Use
6654         std::vector::front rather than std::vector::data.
6655
6656 2009-12-28  Ian Lance Taylor  <iant@google.com>
6657
6658         * symtab.h (class Symbol_table): Add enum Defined.
6659         * resolve.cc (Symbol_table::should_override): Add defined
6660         parameter.  Change all callers.  Test whether object is NULL
6661         before calling a method on it.
6662         (Symbol_table::report_resolve_problem): Add defined parameter.
6663         Change all callers.
6664         (Symbol_table::should_override_with_special): Likewise.
6665         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6666         parameter.  Change all callers.
6667         (Symbol_table::do_define_in_output_data): Likewise.
6668         (Symbol_table::define_in_output_segment): Likewise.
6669         (Symbol_table::do_define_in_output_segment): Likewise.
6670         (Symbol_table::define_as_constant): Likewise.
6671         (Symbol_table::do_define_as_constant): Likewise.
6672         * script.h (class Symbol_assignment): Add is_defsym parameter to
6673         constructor; change all callers.
6674         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6675         parameter.  Change all callers.  Add is_defsym_ field.
6676         (class Parser_closure): Add parsing_defsym parameter to
6677         constructor; change all callers.  Add parsing_defsym accessor
6678         function.  Add parsing_defsym_ field.
6679
6680 2009-12-28  Ian Lance Taylor  <iant@google.com>
6681
6682         * gold.cc (queue_middle_tasks): Fix formatting.
6683         * object.cc (Relobj::is_section_name_included): Likewise.
6684
6685 2009-12-23  Ian Lance Taylor  <iant@google.com>
6686
6687         * i386.cc (Target_i386::do_calls_non_split): Recognize
6688         -fsplit-stack prologue for a function with a static chain.
6689         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6690         -fsplit-stack prologue when using %r11.
6691
6692 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6693
6694         * options.cc (General_options::parse_version): Make -v continue and do
6695         the link like GNU ld does.
6696
6697 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6698
6699         * Makefile.am (CCFILES): Add timer.cc.
6700         (HFILES): Add timer.h.
6701         * configure.ac: Check for sysconf and times.
6702         * main.cc: include timer.h.
6703         (main): Use Timer instead of get_run_time.
6704         * timer.cc: New.
6705         * timer.h: New.
6706         * workqueue.cc: include timer.h.
6707         (Workqueue::find_and_run_task):
6708         Report user, sys and wall time.
6709         * Makefile.in: Regenerate.
6710         * config.in: Regenerate.
6711         * configure: Regenerate.
6712
6713 2009-12-16  Doug Kwan  <dougkwan@google.com>
6714
6715         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6716         sections.
6717         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6718         relaxed input sections.
6719         * output.cc (Output_section::find_relaxed_input_section): Change
6720         return type to Output_relaxed_input_section pointer.  Adjust code
6721         for new type of relaxed_input_section_map_.
6722         * output.h (Output_section::find_relaxed_input_section): Change
6723         return type to Output_relaxed_input_section pointer.
6724         (Output_section::Output_relaxed_input_section_by_input_section_map):
6725         New type.
6726         (Output_section::relaxed_input_section_map_): Change type to
6727         Output_section::Output_relaxed_input_section_by_input_section_map.
6728         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6729         input section.
6730
6731 2009-12-15  Ian Lance Taylor  <iant@google.com>
6732
6733         * layout.cc (Layout::create_shstrtab): Only write out after input
6734         sections if we are compressing debug sections.
6735
6736 2009-12-15  Ian Lance Taylor  <iant@google.com>
6737
6738         * archive.cc (Archive::add_symbols): Only look up a symbol without
6739         a version if there is, in fact, a version.
6740
6741 2009-12-14  Ian Lance Taylor  <iant@google.com>
6742
6743         Revert -Wshadow changes, all changes from:
6744         2009-12-11  Doug Kwan  <dougkwan@google.com>
6745         2009-12-11  Nick Clifton  <nickc@redhat.com>
6746         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6747
6748 2009-12-11  Doug Kwan  <dougkwan@google.com>
6749
6750         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6751         due to -Wshadow.
6752         * attributes.cc (Object_attribute::size): Ditto.
6753         (Attributes_section_data::size): Ditto.
6754         (Attributes_section_data::Attributes_section_data): Ditto.
6755         (Output_attributes_section_data::do_write): Ditto.
6756         * attributes.h (Object_attribute::set_type): Ditto.
6757         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6758
6759 2009-12-11  Nick Clifton  <nickc@redhat.com>
6760
6761         * archive.cc: Fix shadowed variable warnings.
6762         * arm.cc: Likewise.
6763         * compressed_output.cc: Likewise.
6764         * compressed_output.h: Likewise.
6765         * configure: Likewise.
6766         * dwarf_reader.cc: Likewise.
6767         * dynobj.cc: Likewise.
6768         * dynobj.h: Likewise.
6769         * ehframe.cc: Likewise.
6770         * ehframe.h: Likewise.
6771         * errors.cc: Likewise.
6772         * expression.cc: Likewise.
6773         * fileread.cc: Likewise.
6774         * fileread.h: Likewise.
6775         * freebsd.h: Likewise.
6776         * i386.cc: Likewise.
6777         * icf.cc: Likewise.
6778         * incremental.h: Likewise.
6779         * layout.cc: Likewise.
6780         * layout.h: Likewise.
6781         * mapfile.cc: Likewise.
6782         * merge.cc: Likewise.
6783         * merge.h: Likewise.
6784         * object.cc: Likewise.
6785         * object.h: Likewise.
6786         * options.h: Likewise.
6787         * output.cc: Likewise.
6788         * output.h: Likewise.
6789         * parameters.cc: Likewise.
6790         * plugin.cc: Likewise.
6791         * powerpc.cc: Likewise.
6792         * reduced_debug_output.cc: Likewise.
6793         * reduced_debug_output.h: Likewise.
6794         * reloc.cc: Likewise.
6795         * reloc.h: Likewise.
6796         * resolve.cc: Likewise.
6797         * script-sections.cc: Likewise.
6798         * script.cc: Likewise.
6799         * script.h: Likewise.
6800         * sparc.cc: Likewise.
6801         * symtab.cc: Likewise.
6802         * symtab.h: Likewise.
6803         * target-select.cc: Likewise.
6804         * target-select.h: Likewise.
6805         * token.h: Likewise.
6806         * workqueue.cc: Likewise.
6807         * workqueue.h: Likewise.
6808         * x86_64.cc: Likewise.
6809
6810 2009-12-10  Doug Kwan  <dougkwan@google.com>
6811
6812         * arm.cc (attributes.h): New include.
6813         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6814         (Arm_relobj::~Arm_relobj): Delete object pointed by
6815         attributes_section_data_.
6816         (Arm_relobj::attributes_section_data): New method definition.
6817         (Arm_relobj::attributes_section_data_): New data member declaration.
6818         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6819         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6820         attributes_section_data_.
6821         (Arm_dynobj::attributes_section_data): New method definition.
6822         (Arm_dynobj::attributes_section_data_): New data member declaration.
6823         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6824         initialization value of may_use_blx_ to false.
6825         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6826         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6827         object attributes to compute results instead of hard-coding.
6828         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6829         Target_arm::get_secondary_compatible_arch,
6830         Target_arm::set_secondary_compatible_arch
6831         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6832         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6833         New method declarations.
6834         (Target_arm::get_aeabi_object_attribute): New method definition.
6835         (Target_arm::attributes_section_data_): New data member declaration.
6836         (read_arm_attributes_section): New template definition.
6837         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6838         (Arm_dynobj::do_read_symbols): Ditto.
6839         (Target_arm::do_finalize_sections): Merge attributes sections from
6840         input.  Check for BLX use after attributes section merging.
6841         Fix __exidx_start and __exidx_end visibility.  Create an
6842         .ARM.attributes section if necessary.
6843         (Target_arm::get_secondary_compatible_arch,
6844         Target_arm::set_secondary_compatible_arch,
6845         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6846         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6847         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6848         New method definitions.
6849
6850 2009-12-09  Ian Lance Taylor  <iant@google.com>
6851
6852         * plugin.cc (Plugin::load): Don't cast from void* to a function
6853         pointer.
6854
6855 2009-12-09  Ian Lance Taylor  <iant@google.com>
6856
6857         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6858         information fields.
6859
6860 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6861
6862         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6863         Replace two_file_shared_1.so with two_file_shared_2.so.
6864         * testsuite/Makefile.in: Regenerated.
6865
6866 2009-12-08  Doug Kwan  <dougkwan@google.com>
6867
6868         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6869         (HFILES): Add attributes.h and int_encoding.h.
6870         * Makefile.in: Regenerate.
6871         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6872         function definitions to int_encoding.cc
6873         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6874         prototypes to int_encoding.h
6875         * reduced_debug_output.cc (int_encoding.h): New include.
6876         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6877         function definitions to int_encoding.cc
6878         (insert_into_vector, read_from_pointer): Move template definitions to
6879         int_encoding.h
6880         * attributes.cc: New file.
6881         * attributes.h: New file.
6882         * int_encoding.cc: New file.
6883         * int_encoding.h: New file.
6884
6885 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6886
6887         PR gold/11055
6888         * incremental-dump.cc (dump_incremental_inputs): New.
6889         (main): Use dump_incremental_inputs.
6890
6891 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6892
6893         PR gold/10893
6894         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6895         checking elfcpp::STT_FUNC.
6896         (Target_i386::Relocate::relocate): Likewise.
6897         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6898
6899         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6900         symbols from shared libraries into normal FUNC symbols.
6901
6902         * symtab.h (Symbol): Add is_func and use it.
6903
6904 2009-12-05  Doug Kwan  <dougkwan@google.com>
6905
6906         * arm.cc (Target_arm::arm_info): Initialize new fields
6907         attributes_section and attributes_vendor.
6908         * i386.cc (Target_i386::i386_info): Same.
6909         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6910         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6911         fields attributes_section and attributes_vendor.
6912         * sparc.cc (Target_sparc::sparc_info): Same.
6913         * target.h (Target::attributes_section, Target::attributes_vendor,
6914         Target::is_attributes_section, Target::attribute_arg_type,
6915         Target::attributes_order): New method definitions.
6916         (Target::Target_info::attributes_section,
6917         Target::Target_info::attributes_vendor): New fields.
6918         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6919         virtual method definitions.
6920         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6921         attributes_section and attributes_vendor.
6922         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6923
6924 2009-12-05  Doug Kwan  <dougkwan@google.com>
6925
6926         * arm.cc: Update comments about interworking and stub generation.
6927         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6928         considered as non-PIC.
6929         (Arm_relocate_functions::base_abs): Fix formatting.
6930         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6931         of function to use GOT entry address instead of offset.
6932         (Target_arm::Scan::global): Issue an error if a symbol would need a
6933         PLT does not get one because it is untyped.  Remove code to create
6934         dynamic symbols for relative branches.
6935         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6936         takes unsigned integer instead of boolean.
6937
6938 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
6939
6940         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6941         (two_file_test_LDADD): Likewise.
6942         (common_test_1_LDADD): Likewise.
6943         (exception_test_LDADD) Likewise.
6944         (weak_test_LDADD): Likewise.
6945         (many_sections_test_LDADD): Likewise.
6946         (initpri1_LDADD): Likewise.
6947         (script_test_1_LDADD): Likewise.
6948         (script_test_2_LDADD): Likewise.
6949         (justsyms_LDADD): Likewise.
6950         (binary_test_LDADD): Likewise.
6951         (large_LDADD): Likewise.
6952         * testsuite/Makefile.in: Regenerated.
6953
6954 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
6955
6956         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6957         (Symbol_table::override_with_special): Likewise.
6958         (Symbol_table::add_from_object): Likewise.
6959
6960 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6961
6962         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6963         Don't set the data_offset twice.
6964
6965 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6966
6967         * testsuite/Makefile.in: Regenerate.
6968
6969 2009-12-03  Doug Kwan  <dougkwan@google.com>
6970
6971         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6972         (Target_arm::do_finalize_sections): Add parameter for symbol table
6973         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6974         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6975         parameter for symbol table pointer.
6976         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6977         an additional parameter for a pointer to symbol table.
6978         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6979         parameter for a symbol table pointer.
6980         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6981         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6982         Ditto.
6983         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6984         parameter for a symbol table pointer.
6985
6986 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
6987
6988         * incremental.cc (Incremental_inputs_header)
6989         (Incremental_inputs_header_write, Incremental_inputs_entry)
6990         (Incremental_inputs_entry_write): Move ...
6991         * incremental.h (Incremental_inputs_header)
6992         (Incremental_inputs_header_write, Incremental_inputs_entry)
6993         (Incremental_inputs_entry_write): here.
6994
6995 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6996
6997         * incremental.cc (make_sized_incremental_binary): Set the target.
6998         Error if it is incompatible.
6999         * output.h (Output_file): Add filename method.
7000
7001 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7002
7003         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7004         from the get_* methods.
7005
7006 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7007
7008         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7009         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7010         Write 0 for the data_offset of scripts.
7011
7012 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7013
7014         * testsuite/Makefile.am: Add the incremental_test.sh test.
7015         * testsuite/incremental_test.sh: New.
7016         * testsuite/incremental_test_1.c: New.
7017         * testsuite/incremental_test_2.c: New.
7018
7019 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7020
7021        * incremental-dump.cc (main): Fix typos.
7022
7023 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7024
7025         PR gold/11025
7026         * incremental-dump.cc (main): Use llu to print 64 bit values.
7027
7028 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7029             H.J. Lu  <hongjiu.lu@intel.com>
7030
7031         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7032         $(LIBDL).
7033         (incremental_dump_LDADD): Likewise.
7034         * Makefile.in: Regenerated.
7035
7036 2009-11-25  Doug Kwan  <dougkwan@google.com>
7037
7038         Revert:
7039
7040         2009-11-25  Doug Kwan  <dougkwan@google.com>
7041
7042                 * arm.cc (Target_arm::Target_arm): Move method definition
7043                 outside of class definition.  Add code to handle
7044                 --target1-rel, --target1-abs and --target2= options.
7045                 (Target_arm::get_reloc_reloc_type): Change method to be
7046                 non-static and const.
7047                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7048                 New data member declaration.
7049                 (Target_arm::Scan::local, Target_arm::Scan::global,
7050                 Target_arm::Relocate::relocate,
7051                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7052                 Adjust call to Target_arm::get_real_reloc_type.
7053                 (Target_arm::get_real_reloc_type): Use command line options
7054                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7055                 * options.h (--target1-rel, --target1-abs, --target2): New
7056                 ARM-only options.
7057
7058 2009-11-25  Doug Kwan  <dougkwan@google.com>
7059
7060         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7061         class definition.  Add code to handle --target1-rel, --target1-abs
7062         and --target2= options.
7063         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7064         and const.
7065         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7066         member declaration.
7067         (Target_arm::Scan::local, Target_arm::Scan::global,
7068         Target_arm::Relocate::relocate,
7069         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7070         call to Target_arm::get_real_reloc_type.
7071         (Target_arm::get_real_reloc_type): Use command line options to
7072         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7073         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7074         options.
7075
7076 2009-11-25  Doug Kwan  <dougkwan@google.com>
7077
7078         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7079         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7080         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7081         formatting.
7082         (Arm_relocate_functions::thm_call): Replace body with a call to
7083         Arm_relocate_functions::thumb_branch_common.
7084         (Arm_relocate_functions::thm_jump24,
7085         Arm_relocate_functions::thm_xpc22): New method definitions.
7086         (Arm_relocate_functions::thumb_branch_common): New method definition.
7087         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7088         operator.
7089         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7090         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7091
7092 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7093
7094         * Makefile.am: Build incremental-dump
7095         * Makefile.in: Regenerate.
7096         * incremental-dump.cc: New.
7097         * incremental.cc (Incremental_inputs_header_data,
7098         Incremental_inputs_entry_data): Move to incremental.h
7099         * incremental.h: (Incremental_inputs_header_data,
7100         Incremental_inputs_entry_data): Move from incremental.cc
7101
7102 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7103
7104         * incremental.cc (Incremental_inputs_header,
7105         Incremental_inputs_header_write, Incremental_inputs_entry,
7106         Incremental_inputs_entry_write): Add a typedef with the data type.
7107
7108 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7109
7110         * incremental.cc (Incremental_inputs_header,
7111         Incremental_inputs_header_write, Incremental_inputs_entry,
7112         Incremental_inputs_entry_write): Update comment about which
7113         type has the filed descriptions.
7114
7115 2009-11-15  Doug Kwan  <dougkwan@google.com>
7116
7117         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7118         (Arm_relocate_functions::arm_branch_common): Change method defintion
7119         in class definition to a method declaration and update list of formal
7120         parameters.
7121         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7122         Arm_relocation_functions::jump24): Adjust call to
7123         Arm_relocate_functions::arm_branch_common.  Update list of formal
7124         parameters.
7125         (Arm_relocate_functions::xpc25): New method definition.
7126         (Arm_relocate_functions::arm_branch_common): Move method defintion
7127         out from class definition.  Use stubs for mode-switching and extending
7128         branch ranges.
7129         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7130         specially.  Change code to enable use of stubs in ARM branches.
7131
7132 2009-11-10  Doug Kwan  <dougkwan@google.com>
7133
7134         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7135         in method declaration.
7136         (Target_arm::relocate_stub): New method declaration.
7137         (Target_arm::default_target): Change to return a pointer instead of
7138         a const reference.
7139         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7140         Target_arm::default_target.
7141         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7142         method definition.
7143         (Target_arm::relocate_section): Adjust view.
7144         (Target_arm::relocate_stub): New method definition.
7145
7146 2009-11-10  Doug Kwan  <dougkwan@google.com>
7147
7148         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7149         a format warning.
7150         * incremental.cc (open_incremental_binary): Initialized local
7151         variables to avoid warnings.
7152         * object.cc (make_elf_object): Ditto.
7153         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7154         a format warning.
7155
7156 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7157
7158         PR gold/10930
7159         * testsuite/plugin_test.c: Include "config.h".
7160
7161 2009-11-09  Doug Kwan  <dougkwan@google.com>
7162
7163         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7164         (arm_symbol_value): Remove.
7165         (Arm_relocate_functions::arm_branch_common,
7166         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7167         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7168         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7169         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7170         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7171         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7172         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7173         Arm_relocate_functions::thm_mobw_abs_nc,
7174         Arm_relocate_functions::thm_mov_abs,
7175         Arm_relocate_functions::movw_prel_nc,
7176         Arm_relocate_functions::thm_movt_abs,
7177         Arm_relocate_functions::movt_prel,
7178         Arm_relocate_functions::thm_movw_prel_nc,
7179         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7180         (Target_arm::Relocate::relocate): Only decompose address into two
7181         parts if relocation type uses the thumb-bit and pass the actual
7182         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7183         calls to methods in Arm_relocate_functions for this change.
7184
7185 2009-11-08  Ian Lance Taylor  <iant@google.com>
7186
7187         PR 10925
7188         * reloc.cc: Instantiate
7189         Sized_relobj::initialize_input_to_output_maps and
7190         Sized_relobj:free_input_to_output_maps.
7191
7192 2009-11-06  Ian Lance Taylor  <iant@google.com>
7193
7194         PR 10876
7195         * defstd.cc (in_segment): Set only_if_ref true for "end".
7196
7197 2009-11-06  Doug Kwan  <dougkwan@google.com>
7198
7199         * arm.cc (class Reloc_stub): Correct a comment.
7200         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7201         (Target_arm::scan_section_for_stubs): New method declaration.
7202         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7203         Change methods from private to protected.
7204         (Target_arm::do_may_relax): New method definition.
7205         (Target_arm::do_relax, Target_arm::group_sections,
7206         Target_arm::scan_reloc_for_stub,
7207         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7208         (Target_arm::arm_input_section_map_): New data member declaration.
7209         (Target_arm::scan_reloc_for_stub,
7210         Target_arm::scan_reloc_section_for_stubs,
7211         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7212         Target_arm::do_relax): New method definitions.
7213
7214 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7215
7216         * configure.ac: Check for (struct stat)::st_mtim
7217         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7218         * config.in: Regenerate.
7219         * configure: Regenerate.
7220
7221 2009-11-05  Ian Lance Taylor  <iant@google.com>
7222
7223         PR 10910
7224         * output.cc (Output_segment::add_output_section): Add missing
7225         return statement.
7226
7227 2009-11-04  Ian Lance Taylor  <iant@google.com>
7228
7229         PR 10880
7230         * object.h (class Object): Add is_needed and set_is_needed
7231         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7232         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7233         defined in a dynamic object and referenced by a regular object,
7234         set is_needed for the dynamic object.
7235         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7236         if the file is marked with as_needed and it is not needed.
7237
7238 2009-11-04  Ian Lance Taylor  <iant@google.com>
7239
7240         PR 10887
7241         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7242         tags if data is discarded by linker script.
7243         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7244         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7245         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7246         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7247
7248 2009-11-04  Ian Lance Taylor  <iant@google.com>
7249
7250         * layout.cc (Layout::get_output_section): Add is_interp and
7251         is_dynamic_linker_section parameters.  Change all callers.
7252         (Layout::choose_output_section): Likewise.
7253         (Layout::make_output_section): Likewise.
7254         (Layout::add_output_section_data): Add is_dynamic_linker_section
7255         parameter.  Change all callers.
7256         * layout.h (class Layout): Update declarations.
7257         * output.h (class Output_section): Add is_interp, set_is_interp,
7258         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7259         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7260         generate_code_fills_at_write_ to a bitfield.
7261         * output.cc (Output_section::Output_sections): Initialize new
7262         fields.
7263         (Output_segment::add_output_section): Add do_sort parameter.
7264         Change all callers.
7265
7266 2009-11-03  Ian Lance Taylor  <iant@google.com>
7267
7268         PR 10860
7269         * options.h (class General_options): Add --warn-common.
7270         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7271         merging two common symbols.
7272         (Symbol_table::should_override): Handle --warn-common when merging
7273         a common symbol with a defined symbol.  Use report_resolve_problem
7274         for multiple definitions.
7275         (Symbol_table::report_resolve_problem): New function.
7276         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7277
7278 2009-11-03  Doug Kwan  <dougkwan@google.com>
7279
7280         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7281         stub_factory_.
7282         (Target_arm::stub_factory): New method definition.
7283         (Target_arm::new_arm_input_section,
7284         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7285         Target_arm::reloc_uses_thumb_bit): New method declarations.
7286         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7287         New type definitions.
7288         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7289         member declarations.
7290         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7291         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7292         New method definitions.
7293
7294 2009-11-03  Ian Lance Taylor  <iant@google.com>
7295
7296         * options.h (class General_options): Add --warn_constructors.
7297
7298 2009-11-03  Ian Lance Taylor  <iant@google.com>
7299
7300         PR 10893
7301         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7302         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7303
7304 2009-11-03  Ian Lance Taylor  <iant@google.com>
7305
7306         PR 10895
7307         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7308         --msgid-bugs-address.
7309         (install-pdf): New target.
7310         (install-data_yes): Look up one directory to find mkinstalldirs.
7311
7312 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7313
7314         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7315         tree.
7316
7317 2009-10-30  Doug Kwan  <dougkwan@google.com>
7318
7319         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7320
7321 2009-10-30  Doug Kwan  <dougkwan@google.com>
7322
7323         * arm.cc (Stub_addend_reader): New struct template definition
7324         and partial specializations.
7325         (Stub_addend_reader::operator()): New method definition for a
7326         partially specialized template.
7327
7328 2009-10-30  Doug Kwan  <dougkwan@google.com>
7329
7330         * arm.cc (Arm_relobj::processor_specific_flags): New method
7331         definition.
7332         (Arm_relobj::do_read_symbols): New method declaration.
7333         (Arm_relobj::processor_specific_flags_): New data member declaration.
7334         (Arm_dynobj): New class definition.
7335         (Target_arm::do_finalize_sections): Add input_objects parameter.
7336         (Target_arm::do_adjust_elf_header): New method declaration.
7337         (Target_arm::are_eabi_versions_compatible,
7338         (Target_arm::merge_processor_specific_flags): New method declaration.
7339         (Target_arm::do_make_elf_object): New overloaded method definitions
7340         and declaration.
7341         (Arm_relobj::do_read_symbols): New method definition.
7342         (Arm_dynobj::do_read_symbols): Ditto.
7343         (Target_arm::do_finalize_sections): Add input_objects parameters.
7344         Merge processor-specific flags from all input objects.
7345         (Target_arm::are_eabi_versions_compatible,
7346         Target_arm::merge_processor_specific_flags,
7347         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7348         New method definitions.
7349         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7350         Input_objects pointer type parameter.
7351         * layout.cc (Layout::finalize): Pass input objects to target's.
7352         finalize_sections function.
7353         * output.cc (Output_file_header::do_sized_write): Set ELF file
7354         header's processor-specific flags.
7355         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7356         Input_objects pointer type parameter.
7357         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7358         * target.h (Input_objects): New forward class declaration.
7359         (Target::processor_specific_flags,
7360         Target::are_processor_specific_flags_sect): New method definitions.
7361         (Target::finalize_sections): Add input_objects parameter.
7362         (Target::Target): Initialize processor_specific_flags_ and
7363         are_processor_specific_flags_set_.
7364         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7365         parameter.
7366         (Target::set_processor_specific_flags): New method definition.
7367         (Target::processor_specific_flags_,
7368         Target::are_processor_specific_flags_set_): New data member
7369         declarations.
7370         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7371         Input_objects pointer type parameter.
7372
7373 2009-10-30  Doug Kwan  <dougkwan@google.com>
7374
7375         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7376
7377 2009-10-28  Ian Lance Taylor  <iant@google.com>
7378
7379         * object.h (class Relobj): Drop options parameter from
7380         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7381         do_scan_relocs, do_relocate.  Change all callers.
7382         (class Sized_relobj): Drop options parameters from
7383         do_gc_process_relocs, do_scan_relocs, do_relocate,
7384         do_relocate_sections, relocate_sections, emit_relocs_scan,
7385         emit_relocs_scan_reltype.  Change all callers.
7386         (struct Relocate_info): Remove options field and all references to
7387         it.
7388         * reloc.h (class Read_relocs): Remove options constructor
7389         parameter and options_ field.  Change all callers.
7390         (class Gc_process_relocs, class Scan_relocs): Likewise.
7391         (class Relocate_task): Likewise.
7392         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7393         all callers.
7394         (scan_relocatable_relocs): Likewise.
7395         * target.h (class Sized_target): Remove options parameter from
7396         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7397         all callers.
7398         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7399         callers.
7400         * arm.cc: Update functions to remove options parameters.
7401         * i386.cc: Likewise.
7402         * powerpc.cc: Likewise.
7403         * sparc.cc: Likewise.
7404         * x86_64.cc: Likewise.
7405         * testsuite/testfile.cc: Likewise.
7406
7407 2009-10-28  Doug Kwan  <dougkwan@google.com>
7408
7409         * arm.cc (Arm_relobj): New class definition.
7410         (Arm_relobj::scan_sections_for_stubs,
7411         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7412         New method definitions.
7413
7414 2009-10-28  Cary Coutant  <ccoutant@google.com>
7415
7416         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7417         (Plugin::cleanup_done_): New member.
7418         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7419         (Plugin_manager::cleanup_done_): Remove.
7420         (Plugin_manager::add_input_file): Edit error message.
7421         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7422         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7423
7424 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7425
7426         * fileread.cc: (File_read::View::~View): Use the new
7427         data_ownership_ filed.
7428         (File_read::~File_read): Dispose the new whole_file_view_.
7429         (File_read::open): Mmap the whole file if needed.
7430         (File_read::open): Use whole_file_view_ instead of contents_.
7431         (File_read::find_view): Use whole_file_view_ if applicable.
7432         (File_read::do_read): Use whole_file_view_ instead of contents_.
7433         (File_read::make_view): Use whole_file_view_ instead of contents_,
7434         update File_read::View::View call.
7435         (File_read::find_or_make_view): Update File_read::View::View
7436         call.
7437         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7438         remove contents_
7439         (File_read::View::Data_ownership): New enum.
7440         (File_read::View::View): Replace bool mapped_ with Data_ownership
7441         argument.
7442         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7443         (File_read::View::data_ownership_): New field.
7444         (File_read::contents_): Remove (replaced by whole_file_view_).
7445         (File_read::whole_file_view_): New field.
7446         * options.h (class General_options): Add --keep-files-mapped.
7447
7448 2009-10-27  Cary Coutant  <ccoutant@google.com>
7449
7450         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7451         * testsuite/Makefile.am (plugin_test_5): New test case.
7452         * testsuite/Makefile.in: Regenerate.
7453
7454 2009-10-25  Doug Kwan  <dougkwan@google.com>
7455
7456         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7457         from private to protected to allow access by child class.
7458         (Sized_relobj::do_relocate_sections): New method declaration.
7459         (Sized_relobj::relocate_sections): Virtualize.
7460         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7461         Sized_relobj::relocate_sections.  Instantiate template explicitly
7462         for different target sizes and endianity.
7463
7464 2009-10-24  Doug Kwan  <dougkwan@google.com>
7465
7466         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7467         (Arm_input_section::as_arm_input_section): New method.
7468         (Arm_output_section): New class definition.
7469         (Arm_output_section::create_stub_group,
7470         Arm_output_section::group_sections): New method definitions.
7471
7472 2009-10-22  Doug Kwan  <dougkwan@google.com>
7473
7474         * arm.cc (Arm_input_section): New class definition.
7475         (Arm_input_section::init, Arm_input_section:do_write,
7476         Arm_input_section::set_final_data_size,
7477         Arm_input_section::do_reset_address_and_file_offset): New method
7478         definitions.
7479
7480 2009-10-21  Doug Kwan  <dougkwan@google.com>
7481
7482         * arm.cc (Stub_table, Arm_input_section): New forward class
7483         declarations.
7484         (Stub_table): New class defintion.
7485         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7486         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7487         New method definition.
7488
7489 2009-10-21  Doug Kwan  <dougkwan@google.com>
7490
7491         * arm.cc: Update copyright comments.
7492         (Target_arm): New forward class template declaration.
7493         (Arm_address): New type.
7494         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7495         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7496         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7497         constants.
7498         (Insn_template): Same.
7499         (DEF_STUBS): New macro.
7500         (Stub_type): New enum type.
7501         (Stub_template): New class definition.
7502         (Stub): Same.
7503         (Reloc_stub): Same.
7504         (Stub_factory): Same.
7505         (Target_arm::Target_arm): Initialize may_use_blx_ and
7506         should_force_pic_veneer_.
7507         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7508         Target_arm::should_force_pic_veneer,
7509         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7510         Target_arm::using_thumb_only, Target_arm:;default_target): New
7511         method defintions.
7512         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7513         New data member declarations.
7514         (Insn_template::size, Insn_template::alignment): New method defintions.
7515         (Stub_template::Stub_template): New method definition.
7516         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7517         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7518         (Stub_factory::Stub_factory): New method definition.
7519         * gold.h (string_hash): New template.
7520         * output.h (Input_section_specifier::hash_value): Use
7521         gold::string_hash.
7522         (Input_section_specifier::string_hash): Remove.
7523         * stringpool.cc (Stringpool_template::string_hash): Use
7524         gold::string_hash.
7525
7526 2009-10-20  Doug Kwan  <dougkwan@google.com>
7527
7528         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7529         symbols of relaxed input sections.
7530         * output.h (Output_section::find_relaxed_input_section): Make
7531         method public.
7532
7533 2009-10-16  Doug Kwan  <dougkwan@google.com>
7534
7535         * dynobj.cc (Versions::Versions): Initialize version_script_.
7536         Only insert base version symbol definition for a shared object
7537         if version script defines any version versions.
7538         (Versions::define_base_version): New method definition.
7539         (Versions::add_def): Check that base version is not needed.
7540         (Versions::add_need): Define base version lazily.
7541         * dynobj.h (Versions::define_base_version): New method declaration.
7542         (Versions::needs_base_version_): New data member declaration.
7543         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7544         (check_DATA): Add no_version_test.stdout.
7545         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7546         New make rules.
7547         * testsuite/Makefile.in: Regenerate.
7548         * testsuite/no_version_test.c: New file.
7549         * testsuite/no_version_test.sh: Ditto.
7550
7551 2009-10-16  Doug Kwan  <dougkwan@google.com>
7552
7553         * expression.cc (class Segment_start_expression): New class definition.
7554         (Segment_start_expression::value): New method definition.
7555         (script_exp_function_segment_start): Return a new
7556         Segment_start_expression.
7557         * gold/script-c.h (script_saw_segment_start_expression): New function
7558         prototype.
7559         * script-sections.cc (Script_sections::Script_sections): Initialize
7560         SAW_SEGMENT_START_EXPRESSION_ to false.
7561         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7562         and -Tbbs options to specify section addresses if given in
7563         command line and no SEGMENT_START expression is seen in a script.
7564         * script-sections.h (Script_sections::saw_segment_start_expression,
7565         Script_sections::set_saw_segment_start_expression): New method
7566         definition.
7567         (Script_sections::saw_segment_start_expression_): New data member
7568         declaration.
7569         * script.cc (script_saw_segment_start_expression): New function.
7570         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7571         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7572         script_test_7.sh and script_test_8.sh.
7573         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7574         script_test_8.stdout.
7575         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7576         (script_test_6, script_test_6.stdout, script_test_7,
7577         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7578         * Makefile.in: Regenerate.
7579         * testsuite/script_test_6.sh: New file.
7580         * testsuite/script_test_6.t: Same.
7581         * testsuite/script_test_7.sh: Same.
7582         * testsuite/script_test_7.t: Same.
7583         * testsuite/script_test_8.sh: Same.
7584
7585 2009-10-16  Doug Kwan  <dougkwan@google.com>
7586
7587         * output.cc (Output_segment::set_section_list_address): Cast
7588         expressions to unsigned long long type to avoid format warnings.
7589
7590 2009-10-15  Ian Lance Taylor  <iant@google.com>
7591
7592         * script.cc (Script_options::add_symbol_assignment): Always add a
7593         dot assignment to script_sections_.
7594         * script-sections.cc (Script_sections::add_dot_assignment):
7595         Initialize if necessary.
7596
7597         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7598         program headers with no load segment if there is a linker script.
7599
7600         * layout.cc (Layout::set_segment_offsets): Align the file offset
7601         to the segment aligment for -N or -n with no load segment.
7602         * output.cc (Output_segment::add_output_section): Don't crash if
7603         the first section is a TLS section.
7604         (Output_segment::set_section_list_addresses): Print an error
7605         message if the address moves backward in a linker script.
7606         * script-sections.cc
7607         (Output_section_element_input::set_section_addresses): Don't
7608         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7609         (Orphan_output_section::set_section_addresses): Likewise.
7610
7611 2009-10-15  Doug Kwan  <dougkwan@google.com>
7612
7613         * layout.cc (Layout::finish_dynamic_section): Generate tags
7614         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7615         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7616         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7617
7618 2009-10-14  Ian Lance Taylor  <iant@google.com>
7619
7620         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7621         fields.
7622         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7623         data_shdr fields of relinfo.
7624         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7625         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7626         R_386_TLS_LDO_32, adjust based on section flags.
7627         (Target_i386::Relocate::fix_up_ldo): Remove.
7628
7629 2009-10-13  Ian Lance Taylor  <iant@google.com>
7630
7631         Add support for -pie.
7632         * options.h (class General_options): Add -pie and
7633         --pic-executable.
7634         (General_options::output_is_position_independent): Test -pie.
7635         (General_options::output_is_executable): Return true if not shared
7636         and not relocatable.
7637         (General_options::output_is_pie): Remove.
7638         * options.cc (General_options::finalize): Reject incompatible uses
7639         of -pie.
7640         * gold.cc (queue_middle_tasks): A -pie link is not static.
7641         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7642         * symtab.cc (Symbol::final_value_is_known): Return false if
7643         output_is_position_independent.
7644         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7645         output_is_position_independent.
7646         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7647         output_is_position_independent.
7648         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7649         output_is_position_independent.
7650         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7651         two_file_pie_test.
7652         (basic_pie_test.o, basic_pie_test): New targets.
7653         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7654         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7655         (two_file_pie_test): New target.
7656         * testsuite/Makefile.in: Rebuild.
7657         * README: Remove note saying that -pie is not supported.
7658
7659 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7660
7661         * options.h (class General_options): Add -init and -fini.
7662         * layout.cc (Layout::finish_dynamic_section): Emit
7663         given init and fini functions.
7664
7665 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7666
7667         * gc.h (gc_process_relocs): Check if icf is enabled using new
7668         function.
7669         * gold.cc (queue_initial_tasks): Likewise.
7670         (queue_middle_tasks): Likewise.
7671         * object.cc (do_layout): Likewise.
7672         * symtab.cc (is_section_folded): Likewise.
7673         * main.cc (main): Likewise.
7674         * reloc.cc (Read_relocs::run): Likewise.
7675         (Sized_relobj::do_scan_relocs): Likewise.
7676         * icf.cc (is_function_ctor_or_dtor): New function.
7677         (Icf::find_identical_sections): Check if function is ctor or dtor when
7678         safe icf is chosen.
7679         * options.h (General_options::icf): Change option to be an enum.
7680         (Icf_status): New enum.
7681         (icf_enabled): New method.
7682         (icf_safe_folding): New method.
7683         (set_icf_status): New method.
7684         (icf_status_): New variable.
7685         * (options.cc) (General_options::finalize): Set icf_status_.
7686         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7687         icf_test and icf_keep_unique_test to use the --icf enum flag.
7688         * testsuite/icf_safe_test.sh: New file.
7689         * testsuite/icf_safe_test.cc: New file.
7690
7691 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7692
7693         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7694         includes to gc.h and icf.h.
7695         * arm.cc: Include gc.h.
7696         * gold.cc: Likewise.
7697         * i386.cc: Likewise.
7698         * powerpc.cc: Likewise.
7699         * sparc.cc: Likewise.
7700         * x86_64.cc: Likewise.
7701         * gc.h: Include icf.h.
7702
7703 2009-10-11  Ian Lance Taylor  <iant@google.com>
7704
7705         * plugin.cc: Include "gold.h" before other header files.
7706
7707 2009-10-10  Chris Demetriou  <cgd@google.com>
7708
7709         * options.h (Input_file_argument::Input_file_type): New enum.
7710         (Input_file_argument::is_lib_): Replace with...
7711         (Input_file_argument::type_): New member.
7712         (Input_file_argument::Input_file_argument): Take Input_file_type
7713         'type' rather than boolean 'is_lib' as second argument.
7714         (Input_file_argument::is_lib): Use type_.
7715         (Input_file_argument::is_searched_file): New function.
7716         (Input_file_argument::may_need_search): Handle is_searched_file.
7717         * options.cc (General_options::parse_library): Support -l:filename.
7718         (General_options::parse_just_symbols): Update for Input_file_argument
7719         changes.
7720         (Command_line::process): Likewise.
7721         * archive.cc (Archive::get_file_and_offset): Likewise.
7722         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7723         * script.cc (read_script_file, script_add_file): Likewise.
7724         * fileread.cc (Input_file::Input_file): Likewise.
7725         (Input_file::will_search_for): Handle is_searched_file.
7726         (Input_file::open): Likewise.
7727         * readsyms.cc (Read_symbols::get_name): Likewise.
7728         * testsuite/Makefile.am (searched_file_test): New test.
7729         * testsuite/Makefile.in: Regenerate.
7730         * testsuite/searched_file_test.cc: New file.
7731         * testsuite/searched_file_test_lib.cc: New file.
7732
7733 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7734             Ian Lance Taylor  <iant@google.com>
7735
7736         * descriptor.cc: Include <cstdio> and "binary-io.h".
7737         (Descriptors::open): Open the files in binary mode always.
7738         * script.cc (Lex::get_token): Treat \r as whitespace.
7739
7740 2009-10-09  Ian Lance Taylor  <iant@google.com>
7741
7742         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7743
7744 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7745             Ian Lance Taylor  <iant@google.com>
7746
7747         * configure.ac: Check for readv function also.
7748         * fileread.cc (readv): Define if not HAVE_READV.
7749         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7750         does not exist.
7751         * config.in: Regenerate.
7752         * configure: Regenerate.
7753
7754 2009-10-09  Doug Kwan  <dougkwan@google.com>
7755
7756         * layout.cc (Layout::make_output_section): Call target hook to make
7757         ordinary output section.
7758         (Layout::finalize): Adjust parameter list of call the
7759         Target::may_relax().
7760         * layout.h (class Layout::section_list): New method.
7761         * merge.h (Output_merge_base::entsize): Change visibility to public.
7762         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7763         New methods.
7764         (Output_merge_string::do_is_string): New method.
7765         * object.cc (Sized_relobj::do_setup): renamed from
7766         Sized_relobj::set_up.
7767         * object.h (Sized_relobj::adjust_shndx,
7768         Sized_relobj::initializ_input_to_output_maps,
7769         Sized_relobj::free_input_to_output_maps): Change visibilities to
7770         protected.
7771         (Sized_relobj::setup): Virtualize.
7772         (Sized_relobj::do_setup): New method declaration.
7773         (Sized_relobj::invalidate_section_offset,
7774         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7775         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7776         * options.cc (parse_int): New function.
7777         * options.h (parse_int): New declaration.
7778         (DEFINE_int): New macro.
7779         (stub_group_size): New option.
7780         * output.cc (Output_section::Output_section): Initialize memebers
7781         merge_section_map_, merge_section_by_properties_map_,
7782         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7783         (Output_section::add_input_section): Handled deferred code-fill
7784         generation and remove an old comment.
7785         (Output_section::add_relaxed_input_section): New method definition.
7786         (Output_section::add_merge_input_section): Use merge section by
7787         properties map to speed to search.  Update merge section maps
7788         as appropriate.
7789         (Output_section::build_relaxation_map): New method definition.
7790         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7791         Same.
7792         (Output_section::relax_input_section): Renamed to
7793         Output_section::convert_input_sections_to_relaxed_sections and change
7794         interface to take a vector of pointers to relaxed sections.
7795         (Output_section::find_merge_section,
7796         Output_section::find_relaxed_input_section): New method definitions.
7797         (Output_section::is_input_address_mapped,
7798         Output_section::output_offset, Output_section::output_address):
7799         Use output section data maps to speed up searching.
7800         (Output_section::find_starting_output_address): Add comments.
7801         (Output_section::do_write,
7802         Output_section::write_to_postprocessing_buffer): Do code-fill
7803         generation as appropriate.
7804         (Output_section::get_input_sections): Invalidate relaxed input section
7805         map.
7806         (Output_section::restore_states): Adjust type of checkpoint .
7807         Invalidate relaxed input section map.
7808         * output.h (Output_merge_base): New class declaration.
7809         (Input_section_specifier): New class defintion.
7810         (class Output_relaxed_input_section) Change base class to
7811         Output_section_data_build.
7812         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7813         base class initializer.
7814         (Output_section::add_relaxed_input_section): New method declaration.
7815         (Output_section::Input_section): Change visibility to protected.
7816         (Output_section::Input_section::relobj,
7817         Output_section::Input_section::shndx): Handle relaxed input sections.
7818         Output_section::input_sections) Change visibility to protected.  Also
7819         define overload to return a non-const pointer.
7820         (Output_section::Merge_section_properties): New class defintion.
7821         (Output_section::Merge_section_by_properties_map,
7822         Output_section::Output_section_data_by_input_section_map,
7823         Output_section::Relaxation_map): New types.
7824         (Output_section::relax_input_section): Rename method to
7825         Output_section::convert_input_sections_to_relaxed_sections and change
7826         interface to take a vector of relaxed section pointers.
7827         (Output_section::find_merge_section,
7828         Output_section::find_relaxed_input_section,
7829         Output_section::build_relaxation_map,
7830         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7831         New method declarations.
7832         (Output_section::merge_section_map_
7833         Output_section::merge_section_by_properties_map_,
7834         Output_section::relaxed_input_section_map_,
7835         Output_section::is_relaxed_input_section_map_valid_,
7836         Output_section::generate_code_fills_at_write_): New data members.
7837         * script-sections.cc
7838         (Output_section_element_input::set_section_addresses): Call
7839         current_data_size and addralign methods of relaxed input sections.
7840         (Orphan_output_section::set_section_addresses): Call current_data_size
7841         and addralign methods of relaxed input sections.
7842         * symtab.cc (Symbol_table::compute_final_value): Extract template
7843         from the body of Symbol_table::sized_finalize_symbol.
7844         (Symbol_table::sized_finalized_symbol): Call
7845         Symbol_table::compute_final_value.
7846         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7847         (Symbol_table::compute_final_value): New templated method declaration.
7848         * target.cc (Target::do_make_output_section): New method defintion.
7849         * target.h (Target::make_output_section): New method declaration.
7850         (Target::relax): Add more parameters for input objects, symbol table
7851         and layout.  Adjust call to do_relax.
7852         (Target::do_make_output_section): New method declaration.
7853         (Target::do_relax): Add parameters for input objects, symbol table
7854         and layout.
7855
7856 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7857
7858         * pread.c: Include stdio.h.
7859
7860 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7861
7862         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7863         defined.
7864
7865 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7866
7867         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7868         Change read_shndx type to unsigned int.
7869         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7870         int.
7871         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7872         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7873         Change read_shndx type to unsigned int.
7874         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7875         int.
7876         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7877         * layout.cc (Layout::create_symtab_sections): Cast the result of
7878         local_symcount * symsize to off_t in the gold_assert.
7879
7880 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7881
7882         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7883         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7884         R_ARM_BASE_ABS.
7885         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7886         (Arm_relocate_functions::thm_abs5): New function.
7887         (Arm_relocate_functions::abs12): New function.
7888         (Arm_relocate_functions::abs16): New function.
7889         (Arm_relocate_functions::base_abs): New function.
7890         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7891         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7892         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7893         R_ARM_BASE_ABS.
7894         (Scan::global): Likewise.
7895         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7896         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7897         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7898         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7899         R_ARM_BASE_ABS.
7900
7901 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7902
7903         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7904         (Arm_relocate_functions::movt_prel): New function.
7905         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7906         (Arm_relocate_functions::thm_movt_prel): New function.
7907         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7908         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7909         (Scan::global, Relocate::relocate): Likewise.
7910         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7911
7912 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7913
7914         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7915         Incremental_checker.
7916         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7917         unsigned int.
7918         (class Incremental_inputs_header): New class.
7919         (Incremental_inputs_header_writer): Edit comment.
7920         (Incremental_inputs_entry): New class.
7921         (Incremental_inputs_entry_writer): Edit comment.
7922         (Sized_incremental_binary::do_find_incremental_inputs_section):
7923         Add *strtab_shndx parameter, fill it.
7924         (Sized_incremental_binary::do_check_inputs): New method.
7925         (Incremental_checker::can_incrementally_link_output_file): Use
7926         Sized_incremental_binary::check_inputs.
7927         (Incremental_inputs::report_command_line): Save command line in
7928         command_line_.
7929         * incremental.h:
7930         (Incremental_binary::find_incremental_inputs_section): New
7931         method.
7932         (Incremental_binary::do_find_incremental_inputs_section): Add
7933         strtab_shndx parameter.
7934         (Incremental_binary::do_check_inputs): New pure virtual method.
7935         (Sized_incremental_binary::do_check_inputs): Declare.
7936         (Incremental_checker::Incremental_checker): Add incremental_inputs
7937         parameter, use it to initialize incremental_inputs_.
7938         (Incremental_checker::incremental_inputs_): New field.
7939         (Incremental_checker::command_line): New method.
7940         (Incremental_checker::inputs): New method.
7941         (Incremental_checker::command_line_): New field.
7942
7943 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7944
7945         * incremental.cc: Include <cstdarg> and "target-select.h".
7946         (vexplain_no_incremental): New function.
7947         (explain_no_incremental): New function.
7948         (Incremental_binary::error): New method.
7949         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7950         method.
7951         (make_sized_incremental_binary): New function.
7952         (open_incremental_binary): New function.
7953         (can_incrementally_link_file): Add checks if output is ELF and has
7954         inputs section.
7955         * incremental.h: Include "elfcpp_file.h" and "output.h".
7956         (Incremental_binary): New class.
7957         (Sized_incremental_binary): New class.
7958         (open_incremental_binary): Declare.
7959         * object.cc (is_elf_object): Use
7960         elfcpp::Elf_recognizer::is_elf_file.
7961         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7962         * output.h (Output_file::filesize): New method.
7963
7964 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7965
7966         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7967         New function.
7968         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7969         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7970         function.
7971         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7972         function.
7973         (Arm_relocate_functions::movw_abs_nc): New function.
7974         (Arm_relocate_functions::movt_abs): New function.
7975         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7976         (Arm_relocate_functions::thm_movt_abs): New function.
7977         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7978         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7979         (Scan::global): Likewise.
7980         (Relocate::relocate): Likewise.
7981         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7982
7983 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7984
7985         * arm.cc (Arm_relocate_functions::got_prel) New function.
7986         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7987         (Relocate::relocate): Likewise.
7988         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7989
7990 2009-10-06  Ian Lance Taylor  <iant@google.com>
7991
7992         * options.h (class General_options): Define
7993         split_stack_adjust_size parameter.
7994         * object.h (class Object): Add uses_split_stack_ and
7995         has_no_split_stack_ fields.  Add uses_split_stack and
7996         has_no_split_stack accessor functions.  Declare
7997         handle_split_stack_section.
7998         (class Reloc_symbol_changes): Define.
7999         (class Sized_relobj): Define Function_offsets.  Declare
8000         split_stack_adjust, split_stack_adjust_reltype, and
8001         find_functions.
8002         * object.cc (Object::handle_split_stack_section): New function.
8003         (Sized_relobj::do_layout): Call handle_split_stack_section.
8004         * dynobj.cc (Sized_dynobj::do_layout): Call
8005         handle_split_stack_section.
8006         * reloc.cc (Sized_relobj::relocate_sections): Call
8007         split_stack_adjust for executable sections in split_stack
8008         objects.  Pass reloc_map to relocate_section.
8009         (Sized_relobj::split_stack_adjust): New function.
8010         (Sized_relobj::split_stack_adjust_reltype): New function.
8011         (Sized_relobj::find_functions): New function.
8012         * target-reloc.h: Include "object.h".
8013         (relocate_section): Add reloc_symbol_changes parameter.  Change
8014         all callers.
8015         * target.h (class Target): Add calls_non_split method.  Declare
8016         do_calls_non_split virtual method.  Declare match_view and
8017         set_view_to_nop.
8018         * target.cc: Include "elfcpp.h".
8019         (Target::do_calls_non_split): New function.
8020         (Target::match_view): New function.
8021         (Target::set_view_to_nop): New function.
8022         * gold.cc (queue_middle_tasks): Give an error if mixing
8023         split-stack and non-split-stack objects with -r.
8024         * i386.cc (Target_i386::relocate_section): Add
8025         reloc_symbol_changes parameter.
8026         (Target_i386::do_calls_non_split): New function.
8027         * x86_64.cc (Target_x86_64::relocate_section): Add
8028         reloc_symbol_changes parameter.
8029         (Target_x86_64::do_calls_non_split): New function.
8030         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8031         parameter.
8032         * powerpc.cc (Target_powerpc::relocate_section): Add
8033         reloc_symbol_changes parameter.
8034         * sparc.cc (Target_sparc::relocate_section): Add
8035         reloc_symbol_changes parameter.
8036         * configure.ac: Call AM_CONDITIONAL for the default target.
8037         * configure: Rebuild.
8038         * testsuite/Makefile.am (TEST_AS): New variable.
8039         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8040         (check_DATA): Add split_i386 and split_x86_64 files.
8041         (SPLIT_DEFSYMS): Define.
8042         (split_i386_[1234n].o): New targets.
8043         (split_i386_[124]): New targets.
8044         (split_i386_[1234r].stdout): New targets.
8045         (split_x86_64_[1234n].o): New targets.
8046         (split_x86_64_[124]): New targets.
8047         (split_x86_64_[1234r].stdout): New targets.
8048         (MOSTLYCLEANFILES): Add new executables.
8049         * testsuite/split_i386.sh: New file.
8050         * testsuite/split_x86_64.sh: New file.
8051         * testsuite/split_i386_1.s: New file.
8052         * testsuite/split_i386_2.s: New file.
8053         * testsuite/split_i386_3.s: New file.
8054         * testsuite/split_i386_4.s: New file.
8055         * testsuite/split_i386_n.s: New file.
8056         * testsuite/split_x86_64_1.s: New file.
8057         * testsuite/split_x86_64_2.s: New file.
8058         * testsuite/split_x86_64_3.s: New file.
8059         * testsuite/split_x86_64_4.s: New file.
8060         * testsuite/split_x86_64_n.s: New file.
8061         * testsuite/testfile.cc (Target_test): Update relocation_section
8062         function.
8063         * testsuite/Makefile.in: Rebuild.
8064
8065 2009-10-06  Ian Lance Taylor  <iant@google.com>
8066
8067         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8068         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8069         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8070         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8071         the address on ldo_addrs_.
8072         (Target_i386::Relocate::fix_up_ldo): New function.
8073
8074 2009-10-06   Rafael Espindola  <espindola@google.com>
8075
8076         * plugin.cc (add_input_library): New.
8077         (Plugin::load): Add add_input_library to tv.
8078         (Plugin_manager::add_input_file): Add the is_lib argument.
8079         (add_input_file): Update call to Plugin_manager::add_input_file.
8080         (add_input_library): New.
8081         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8082
8083 2009-09-30  Doug Kwan  <dougkwan@google.com>
8084
8085         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8086         symbol and call Symbol::may_need_copy_reloc to determine if
8087         a copy reloc is needed.
8088         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8089         nocopyreloc is given in command line.
8090         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8091         given in command line.
8092         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8093         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8094         of the removed Target_i386::may_need_copy_reloc.
8095         * options.h (copyreloc): New option with default value false.
8096         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8097         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8098         instead of the removed Target_powerpc::may_need_copy_reloc.
8099         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8100         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8101         instead of the removed Target_sparc::may_need_copy_reloc.
8102         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8103         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8104         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8105         instead of the removed Target_x86_64::may_need_copy_reloc.
8106
8107 2009-09-30  Ian Lance Taylor  <iant@google.com>
8108
8109         * object.h (class Object): Remove target_ field, and target,
8110         sized_target, and set_target methods.
8111         (Object::sized_target): Remove.
8112         (class Sized_relobj): Update declarations.  Remove sized_target.
8113         * object.cc (Sized_relobj::setup): Remove target parameter.
8114         Change all callers.
8115         (Input_objects::add_object): Don't do anything with the target.
8116         (make_elf_sized_object): Add punconfigured parameter.  Change all
8117         callers.  Set or test parameter target.
8118         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8119         Change all callers.
8120         * parameters.cc (Parameters::set_target): Change parameter type to
8121         be non-const.
8122         (Parameters::default_target): Remove.
8123         (set_parameters_target): Change parameter type to be non-const.
8124         (parameters_force_valid_target): New function.
8125         (parameters_clear_target): New function.
8126         * parameters.h (class Parameters): Update declarations.  Remove
8127         default_target method.  Add sized_target and clear_target
8128         methods.  Change target_ to be non-const.
8129         (set_parameters_target): Update declaration.
8130         (parameters_force_valid_target): Declare.
8131         (parameters_clear_target): Declare.
8132         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8133         as NULL if we aren't searching.
8134         (Add_symbols::run): Don't check for compatible target.
8135         * fileread.cc (Input_file::open_binary): Call
8136         parameters_force_valid_target.
8137         * gold.cc (queue_middle_tasks): Likewise.
8138         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8139         set_target on object.
8140         * dynobj.h (class Sized_dynobj): Update declarations.
8141         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8142         make_elf_object returns NULL.
8143         (Archive::include_member): Don't check whether object target is
8144         compatible.
8145         * output.cc (Output_section::add_input_section): Get target from
8146         parameters.
8147         (Output_section::relax_input_section): Likewise.
8148         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8149         parameters.
8150         (Sized_relobj::do_scan_relocs): Likewise.
8151         (Sized_relobj::relocate_sections): Likewise.
8152         * resolve.cc (Symbol_table::resolve): Likewise.
8153         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8154         parameter.  Change all callers.
8155         (Symbol_table::add_from_object): Get target from parameters.
8156         (Symbol_table::add_from_relobj): Don't check object target.
8157         (Symbol_table::add_from_dynobj): Likewise.
8158         (Symbol_table::define_special_symbol): Get target from
8159         parameters.
8160         * symtab.h (class Symbol_table): Update declaration.
8161         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8162         parameter.  Change all callers.  Clear parameter target.
8163         (Binary_test): Test target here.
8164         * testsuite/object_unittest.cc (gold_testsuite): Remove
8165         target_test_pointer parameter.  Change all callers.
8166         (Object_test): Test target here.
8167
8168 2009-09-26  Ian Lance Taylor  <iant@google.com>
8169
8170         * testsuite/initpri1.c: Don't try to use constructor priorities if
8171         compiling with gcc before 4.3.
8172
8173 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8174
8175         * testsuite/retain_symbols_file_test.sh (check_present): Change
8176         output file name to retain_symbols_file_test.stdout.
8177         (check_absent): Likewise.
8178
8179 2009-09-18  Craig Silverstein  <csilvers@google.com>
8180
8181         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8182         * options.cc: Include <cerrno> and <fstream>.
8183         (General_options::finalize): Parse -retain-symbols-file tag.
8184         * options.h: New flag.
8185         (General_options): New method should_retain_symbol, new
8186         variable symbols_to_retain.
8187         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8188         should_retain_symbol map.
8189         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8190         * testsuite/Makefile.in: Regenerate.
8191         * testsuite/retain_symbols_file_test.sh: New file.
8192
8193 2009-09-18  Nick Clifton  <nickc@redhat.com>
8194
8195         * po/es.po: Updated Spanish translation.
8196
8197 2009-09-17  Doug Kwan  <dougkwan@google.com>
8198
8199         * debug.h (DEBUG_RELAXATION): New constant.
8200         (DEBUG_ALL): Add DEBUG_RELAXATION.
8201         (debug_string_to_enum): Add relaxation debug option.
8202         * layout.cc
8203         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8204         Layout::Relaxation_debug_check::read_sections,
8205         Layout::Relaxation_debug_check::read_sections): New method definitions.
8206         (Layout::Layout): Initialize data members
8207         record_output_section_data_from_scrips_,
8208         script_output_section_data_list_ and relaxation_debug_check_.
8209         (Layout::save_segments, Layout::restore_segments,
8210         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8211         Layout::relaxation_loop_body): New method definitions.
8212         (Layout::finalize): Support relaxation.  Move section layout code to
8213         Layout::relaxation_loop_body.
8214         (Layout::set_asection_address_from_script): Move code for orphan
8215         section placement out.
8216         (Layout::place_orphan_sections_in_script): New method definition.
8217         * layout.h (Output_segment_headers, Output_file_header):
8218         New forward class declarations.
8219         (Layout::~Layout): Define.
8220         (Layout::new_output_section_data_from_script): New method definition.
8221         (Layout::place_orphan_sections_in_script): New method declaration.
8222         (Layout::Segment_states): New type declaration.
8223         (Layout::save_segments, Layout::restore_segments,
8224         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8225         Layout::relaxation_loop_body): New method declarations.
8226         (Layout::Output_section_data_list): New type declaration.
8227         (Layout::Relaxation_debug_check): New class definition.
8228         (Layout::record_output_section_data_from_script_,
8229         Layout::script_output_section_data_list_, Layout::segment_states_,
8230         Layout::relaxation_debug_check_): New data members.
8231         * output.cc: (Output_section_headers::do_size): New method definition.
8232         (Output_section_headers::Output_section_headers): Move size
8233         computation to Output_section_headers::do_size.
8234         (Output_segment_headers::do_size): New method definition.
8235         (Output_file_header::Output_file_header): Move size computation to
8236         Output_file_header::do_size and call it.
8237         (Output_file_header::do_size): New method definition.
8238         (Output_data_group::Output_data_group): Adjust call to
8239         Output_section_data.
8240         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8241         (Output_symtab_xindex::do_write): Add array bound check.
8242         (Output_section::Input_section::print_to_mapfile): Handle
8243         RELAXED_INPUT_SECTION_CODE.
8244         (Output_section::Output_section): Initialize data member checkpoint_.
8245         (Output_section::~Output_section): Delete checkpoint object pointed
8246         by checkpoint_.
8247         (Output_section::add_input_section): Always add an Input_section if
8248         relaxing.
8249         (Output_section::add_merge_input_section): Add assert.
8250         (Output_section::relax_input_section): New method definition.
8251         (Output_section::set_final_data_size): Set load address to zero for
8252         an unallocated section.
8253         (Output_section::do_address_and_file_offset_have_reset_values):
8254         New method definition.
8255         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8256         Handle relaxed input section.
8257         (Output_section::sort_attached_input_sections): Checkpoint input
8258         section list lazily.
8259         (Output_section::get_input_sections): Change type of input_sections to
8260         list of Simple_input_section pointers.  Checkpoint input section list
8261         lazily.  Also handle relaxed input sections.
8262         (Output_section::add_input_section_for_script): Take a reference to
8263         a Simple_input_section object instead of Relobj pointer and section
8264         index as parameter.  Handle relaxed input sections.
8265         (Output_section::save_states, Output_section::restore_states): New
8266         method definitions.
8267         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8268         (Output_data::is_data_size_fixed): New method definition.
8269         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8270         if it is fixed.
8271         (Output_data::address_and_file_offset_have_reset_values): New method
8272         definition.
8273         (Output_data::do_address_and_file_offset_have_reset_values): New method
8274         definition.
8275         (Output_data::set_data_size): Check that data size is not fixed.
8276         (Output_data::fix_data_size): New method definition.
8277         (Output_data::is_data_size_fixed_): New data member.
8278         (Output_section_headers::set_final_data_size): New method definition.
8279         (Output_section_headers::do_size): New method declaration.
8280         (Output_segment_headers::set_final_data_size): New method definition.
8281         (Output_segment_headers::do_size): New method declaration.
8282         (Output_file_header::set_final_data_size)::New method definition.
8283         (Output_file_header::do_size)::New method declaration.
8284         (Output_section_data::Output_section_data): Add new parameter
8285         is_data_size_fixed and use it to fix data size.
8286         (Output_data_const::Output_data_const): Adjust call to base class
8287         constructor and fix data size.
8288         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8289         base class constructor and fix data size.
8290         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8291         base class constructor and fix data size.
8292         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8293         class constructor and fix data size.
8294         (Output_data_group::set_final_data_size): New method definition.
8295         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8296         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8297         class constructor and fix data size.
8298         (Output_relaxed_input_section): New class definition.
8299         (Output_section::Simple_input_section): New class definition.
8300         (Output_section::get_input_sections): Adjust parameter list.
8301         (Output_section::add_input_section_for_script): Same.
8302         (Output_section::save_states, Output_section::restore_states,
8303         Output_section::do_address_and_file_offset_have_reset_values,
8304         (Output_section::Input_section::Input_section): Handle
8305         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8306         Output_relaxed_input_section.
8307         (Output_section::Input_section::is_input_section,
8308         Output_section::Input_section::set_output_section): Handle relaxed
8309         input section.
8310         (Output_section::Input_section::is_relaxed_input_section,
8311         Output_section::Input_section::output_section_data,
8312         Output_section::Input_section::relaxed_input_section): New method
8313         definitions.
8314         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8315         value.
8316         (Output_section::Input_section::u1_): Update comments.
8317         (Output_section::Input_section::u2_): Add new union member poris.
8318         (Output_section::Checkpoint_output_section): New classs definition.
8319         (Output_section::relax_input_section): New method declaration.
8320         (Output_section::checkpoint_): New data member.
8321         (Output_segment): Update comments.
8322         (Output_segment::Output_segment): Un-privatize copy constructor.
8323         (Output_segment::operator=): Un-privatize.
8324         * script-sections.cc (Output_section_element::Input_section_list):
8325         Change element type to Output_section::Simple_input_section.
8326         (Output_section_element_dot_assignment::set_section_addresses):
8327         Register output section data for relaxation clean up.
8328         (Output_data_exression::Output_data_expression): Adjust call to base
8329         constructor to fix data size.
8330         (Output_section_element_data::set_section_addresses): Register
8331         Output_data_expression object for relaxation clean up.
8332         (struct Input_section_info): Replace Relobj pointer and section index
8333         pair with Output_section::Simple_input_section and Convert struct to a
8334         class.
8335         (Input_section_sorter::operator()): Adjust access to
8336         Input_section_info data member to use accessors.
8337         (Output_section_element_input::set_section_addresses): Use layout
8338         parameter.  Adjust code to use Output_section::Simple_input_section
8339         and Input_secction_info classes.  Register filler for relaxation
8340         clean up.
8341         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8342         and section index pair with Output_section::Simple_input_section
8343         class.  Adjust code accordingly.
8344         (Phdrs_element::release_segment): New method definition.
8345         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8346         segment list.
8347         (Script_sections::release_segments): New method definition.
8348         * gold/script-sections.h (Script_sections::release_segments): New
8349         method declaration.
8350         * gold/target.h (Target::may_relax, Target::relax,
8351         Target::do_may_relax, Target::do_relax): New method definitions.
8352
8353 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8354
8355         * arm.cc (has_signed_unsigned_overflow): New function.
8356         (Arm_relocate_functions::abs8): New function.
8357         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8358         (Target_arm::Scan::global): Likewise.
8359         (Target_arm::relocate::relocate): Likewise.
8360         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8361         Likewise.
8362
8363 2009-09-16  Cary Coutant  <ccoutant@google.com>
8364
8365         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8366         * testsuite/Makefile.in: Regenerate.
8367
8368 2009-09-11  Nick Clifton  <nickc@redhat.com>
8369
8370         * po/gold.pot: Updated by the Translation project.
8371
8372 2009-09-08  Cary Coutant  <ccoutant@google.com>
8373
8374         * output.cc (Output_file::open): Add execute permission to empty file.
8375         * testsuite/Makefile.am (permission_test): New test.
8376         * testsuite/Makefile.in: Regenerate.
8377
8378 2009-09-02  Ian Lance Taylor  <iant@google.com>
8379
8380         * output.cc (Output_file::resize): Call map_no_anonymous rather
8381         than map.
8382
8383 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8384
8385         * gold.cc: Include "incremental.h".
8386         (queue_initial_tasks): Call Incremental_checker methods.
8387         * incremental.cc: Include "output.h".
8388         (Incremental_checker::can_incrementally_link_output_file): New
8389         method.
8390         * incremental.h (Incremental_checker): New class.
8391
8392         * output.cc (Output_file::open_for_modification): New method.
8393         (Output_file::map_anonymous): Changed return type to bool.  Record
8394         map in base_ field.
8395         (Output_file::map_no_anonymous): New method, broken out of map.
8396         (Output_file::map): Use map_no_anonymous and map_anonymous.
8397         * output.h (class Output_file): Update declarations.
8398
8399 2009-08-24  Cary Coutant  <ccoutant@google.com>
8400
8401         * options.h (Command_line::Pre_options): New class.
8402         (Command_line::pre_options): New member.
8403         * options.cc (gold::options::ready_to_register): New variable.
8404         (One_option::register_option): Do nothing if not registering options.
8405         Assert if same short option registered twice.
8406         (General_options::General_options): Turn off option registration when
8407         done constructing.
8408         (Command_line::Pre_options::Pre_options): New constructor.
8409
8410 2009-08-24  Cary Coutant  <ccoutant@google.com>
8411
8412         * options.h (General_options::no_keep_memory): Remove incorrect
8413         short option.
8414
8415 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8416
8417         * Makefile.am (am__skiplex, am__skipyacc): New.
8418         * Makefile.in: Regenerate.
8419
8420 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8421
8422         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8423         (INCLUDES): ... this.
8424         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8425         (AM_CPPFLAGS): Renamed from ...
8426         (INCLUDE): ... this.
8427         * Makefile.in, testsuite/Makefile.in: Regenerate.
8428
8429         * Makefile.in: Regenerate.
8430         * aclocal.m4: Likewise.
8431         * config.in: Likewise.
8432         * configure: Likewise.
8433         * testsuite/Makefile.in: Likewise.
8434
8435         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8436         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8437         * Makefile.in: Regenerate.
8438         * testsuite/Makefile.in: Regenerate.
8439
8440 2009-08-19  Cary Coutant  <ccoutant@google.com>
8441
8442         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8443         symbols in shared libraries overridden by hidden or internal symbols
8444         in the main program.
8445
8446 2009-08-19  Chris Demetriou  <cgd@google.com>
8447
8448         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8449         checking source file names in error messages.
8450
8451 2009-08-18  Doug Kwan  <dougkwan@google.com>
8452
8453         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8454         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8455         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8456         an elfcpp::Ehdr as parameter.
8457         * object.cc (Object::set_target): Remove the version that looks up
8458         a target and sets it.
8459         (Sized_relobj::setup): Take a Target object instead of
8460         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8461         (make_elf_sized_object): Find target and ask target to
8462         make an ELF object.
8463         * object.h: (Object::set_target): Remove the version that looks up
8464         a target and sets it.
8465         (Sized_relobj::setup): Take a Target object instead of
8466         an elfcpp:Ehdr as parameter.
8467         * target.cc: Include dynobj.h.
8468         (Target::do_make_elf_object_implementation): New.
8469         (Target::do_make_elf_object): New.
8470         * target.h (Target::make_elf_object): New template declaration.
8471         (Target::do_make_elf_object): New method declarations.
8472         (Target::do_make_elf_object_implementation): New template declaration.
8473
8474 2009-08-14  Ian Lance Taylor  <iant@google.com>
8475
8476         * gold.h (FUNCTION_NAME): Define.
8477         (gold_unreachable): Use FUNCTION_NAME.
8478
8479 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8480
8481         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8482         symbol in the --keep-unique list is not found.
8483
8484 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8485
8486         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8487         been maked as --keep-unique.
8488         (Icf::unfold_section): New function.
8489         * icf.h (Icf::unfold_section): New function.
8490         * options.h (General_options::keep_unique): New option.
8491         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8492         * testsuite/Makefile.in: Regenerate.
8493         * testsuite/icf_keep_unique_test.sh: New file.
8494         * testsuite/icf_keep_unique_test.cc: New file.
8495
8496 2009-08-12  Cary Coutant  <ccoutant@google.com>
8497
8498         PR 10471
8499         * resolve.cc (Symbol_table::resolve): Check for references from
8500         dynamic objects to hidden and internal symbols.
8501         * testsuite/Makefile.am (hidden_test.sh): New test.
8502         * testsuite/Makefile.in: Regenerate.
8503         * testsuite/hidden_test.sh: New script.
8504         * testsuite/hidden_test_1.c: New test source.
8505         * testsuite/hidden_test_main.c: New test source.
8506
8507 2009-08-11  Doug Kwan  <dougkwan@google.com>
8508
8509         * arm.cc: Update comments.
8510         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8511         segment to locate the .ARM.exidx section if present.
8512
8513 2009-08-09  Doug Kwan  <dougkwan@google.com>
8514
8515         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8516         patch.
8517
8518 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8519         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8520         compiler warnings.
8521
8522 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8523
8524         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8525         valid tls_segment only for non-debug-section relocations.
8526         * testsuite/Makefile.am: Add gc_tls_test.
8527         * testsuite/Makefile.in: Regenerate.
8528         * testsuite/gc_tls_test.cc: New file.
8529         * testsuite/gc_tls_test.sh: New file.
8530
8531 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8532
8533         * icf.cc: New file.
8534         * icf.h: New file.
8535         * Makefile.am (CCFILES): Add icf.cc.
8536         (HFILES): Add icf.h
8537         * Makefile.in: Regenerate.
8538         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8539         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8540         section, symbol and addend information for the relocs.
8541         * gold.cc (queue_middle_tasks): Call identical code folding.
8542         * gold.h: Add defines for multimap.
8543         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8544         to the call of finalize_local_symbols.
8545         * main.cc (main): Create object of class Icf.
8546         * object.cc (Sized_relobj::do_layout): Allow this function to be
8547         called twice during icf.
8548         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8549         to sections marked as identical by icf.
8550         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8551         when available.
8552         (Sized_relobj::do_section_entsize): New function.
8553         * object.h (Object::section_entsize): New function.
8554         (Object::do_section_entsize): New pure virtual function.
8555         (Relobj::finalize_local_symbols): Add new parameter.
8556         (Relobj::do_section_entsize): New function.
8557         * options.h (General_options::icf): New option.
8558         (General_options::icf_iterations): New option.
8559         (General_options::print_icf_sections): New option.
8560         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8561         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8562         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8563         icf.
8564         * symtab.cc (Symbol_table::is_section_folded): New function.
8565         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8566         to sections marked as identical by icf.
8567         * symtab.h (Symbol_table::set_icf): New function.
8568         (Symbol_table::icf): New function.
8569         (Symbol_table::is_section_folded): New function.
8570         (Symbol_table::icf_): New data member.
8571         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8572         * testsuite/Makefile.am: Add commands to build icf_test.
8573         * testsuite/Makefile.in: Regenerate.
8574         * testsuite/icf_test.sh: New file.
8575         * testsuite/icf_test.cc: New file.
8576
8577 2009-07-24  Chris Demetriou  <cgd@google.com>
8578
8579         * layout.cc (is_compressible_debug_section): Fix incorrect
8580         comment about compressed section names.
8581
8582 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8583
8584         PR 10419
8585         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8586
8587 2009-07-16  Ian Lance Taylor  <iant@google.com>
8588
8589         PR 10400
8590         * layout.h: #include <map>.
8591         (class Kept_section): Change from struct to class.  Add accessors
8592         and setters.  Add section size to Comdat_group mapping.  Change
8593         Comdat_group to std::map.  Add is_comdat_ field.  Add
8594         linkonce_size field in union.
8595         (class Layout): Update declaration of find_or_add_kept_section.
8596         Don't declare find_kept_object.
8597         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8598         parameter.  Add object, shndx, is_comdat, and is_group_name
8599         parameters.  Change all callers.  Adjust for new Kept_section.
8600         (Layout::find_kept_object): Remove.
8601         * object.cc (Sized_relobj::include_section_group): Update use of
8602         Kept_section.  Rename secnum to shndx.  Only record
8603         Kept_comdat_section if sections are the same size.
8604         (Sized_relobj::include_linkonce_section): Update use of
8605         Kept_section.  Only record Kept_comdat_section if sections are the
8606         same size.  Set size of linkonce section.
8607         (Sized_relobj::map_to_kept_section): Update call to
8608         get_kept_comdat_section.
8609         * object.h (class Sized_relobj): Rename fields in
8610         Kept_comdat_section to drop trailing underscores; change object
8611         field to Relobj*.  Change Kept_comdat_section_table to store
8612         struct rather than pointer.
8613         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8614         Add kept_object and kept_shndx parameters.  Change all callers.
8615         (Sized_relobj::get_kept_comdat_section): Change return type to
8616         bool.  Add kept_object and kept_shndx parameters.  Change all
8617         callers.
8618         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8619         Layout::find_or_add_kept_section.
8620
8621 2009-07-09  Ian Lance Taylor  <iant@google.com>
8622
8623         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8624         Reserve space in the hash table.
8625
8626 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8627
8628         * fileread.cc (File_read::get_mtime): New method.
8629         * fileread.h (Timespec): New structure.
8630         (File_read::get_mtime): New method.
8631         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8632         Renamed from timestamp_nsec.
8633         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8634         Elf_Xword.
8635         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8636         timestamp_nsec.
8637         (Incremental_inputs::report_archive): Save mtime; style fix.
8638         (Incremental_inputs::report_obejct): Save mtime; style fix.
8639         (Incremental_inputs::report_script): Save mtime; style fix.
8640         (Incremental_inputs::finalize_inputs): Style fix.
8641         (Incremental_inputs::finalize): Style fix.
8642         (Incremental_inputs::create_input_section_data): Store inputs
8643         mtime.
8644         * incremental.h (Incremental_inputs::report_script): Add mtime
8645         argument.
8646         (Incremental_inputs::Input_info::Input_info): Intialize only one
8647         union member.
8648         (Incremental_inputs::Input_info::archive): Move to nameless
8649         union.
8650         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8651         (Incremental_inputs::Input_info::script): Move to nameless union.
8652         (Incremental_inputs::mtime): New field.
8653         * script.cc (read_input_script): Pass file mtime to
8654         Incremental_input.
8655         * script.h (Script_info::inputs): Style fix.
8656
8657 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8658
8659         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8660         instead of 32.
8661
8662 2009-06-24  Ian Lance Taylor  <iant@google.com>
8663
8664         PR 10156
8665         * layout.cc (Layout::choose_output_section): If we find an
8666         existing section, update the flags.
8667         (Layout::create_notes): New function, broken out of
8668         Layout::finalize.
8669         (Layout::finalize): Don't create note sections.
8670         (Layout::create_note): Don't crash if linker script discards
8671         section.
8672         (Layout::create_gold_note): Likewise.
8673         (Layout::create_build_id): Likewise.  Don't set
8674         after_input_sections on the section.
8675         (Layout::create_executable_stack_info): Remove target parameter.
8676         Change caller.
8677         * layout.h (class Layout): Declare create_notes.  Update
8678         declaration of create_executable_stack_info.
8679         * gold.cc (queue_middle_tasks): Call create_notes.
8680         * output.cc (Output_section::update_flags_for_input_section): Move
8681         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8682         invalid.
8683         * output.h (Output_data::mark_address_invalid): New function.
8684         (class Output_section): Only declare, not define,
8685         update_flags_for_input_section.  Remove set_flags.
8686
8687 2009-06-24  Ian Lance Taylor  <iant@google.com>
8688
8689         * script-sections.cc (Output_section_definition::
8690         set_section_addresses): Rename shadowing local load_address to
8691         laddr.
8692
8693 2009-06-24  Ian Lance Taylor  <iant@google.com>
8694
8695         PR 10244
8696         * reloc.cc (relocate_sections): Skip empty relocation sections.
8697
8698 2009-06-23  Ian Lance Taylor  <iant@google.com>
8699
8700         PR 10156
8701         * layout.cc (Layout::create_note): Use choose_output_section
8702         rather than make_output_section.
8703
8704 2009-06-23  Ian Lance Taylor  <iant@google.com>
8705
8706         PR 10237
8707         * options.cc (General_options::parse_V): Set printed_version_.
8708         (General_options::General_options): Initialize printed_version_.
8709         * options.h (class General_options): Add printed_version_ field.
8710         * gold.cc (queue_initial_tasks): If there are no input files,
8711         don't give a fatal error if we printed the version information.
8712         (queue_middle_tasks): If using -r with a shared object, give a
8713         fatal error rather than an ordinary error.
8714
8715 2009-06-23  Ian Lance Taylor  <iant@google.com>
8716
8717         PR 10219
8718         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8719         (Layout::make_output_section): Set have_stabstr_section_ if we see
8720         a .stab*str section.
8721         (Layout::finalize): Call link_stabs_sections.
8722         (Layout::link_stabs_sections): New file.
8723         * layout.h (class Layout): Add have_stabstr_section_ field.
8724         Declare link_stabs_sections.
8725
8726 2009-06-23  Doug Kwan  <dougkwan@google.com>
8727
8728         * Makefile.am (libgold_a_LIBADD): New.
8729         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8730         * Makefile.in: Regenerate.
8731         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8732         * configure: Regenerate.
8733         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8734         * fileread.cc: Include sys/state.h
8735         * gold.h: Declare memmem and strndup if found missing.
8736         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8737
8738 2009-06-23  Ian Lance Taylor  <iant@google.com>
8739
8740         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8741         * configure: Rebuild.
8742
8743 2009-06-23  Ian Lance Taylor  <iant@google.com>
8744
8745         PR 10147
8746         * object.cc (Object::section_contents): Don't try to get a view if
8747         the section has length zero.
8748         (Object::handle_gnu_warning_section): If the section is empty, use
8749         the name of the section as the warning.
8750
8751 2009-06-23  Ian Lance Taylor  <iant@google.com>
8752
8753         PR 10133
8754         * stringpool.h (class Stringpool_template): Add optimize_ field.
8755         (Stringpool_template::set_optimize): New function.
8756         * stringpool.cc (Stringpool_template::Stringpool_template):
8757         Initialize optimize_ field.
8758         (Stringpool_template::set_string_offsets): Test local optimize
8759         fild rather than parameter.
8760         * layout.cc (Layout::Layout): Call set_optimize on the section
8761         name stringpool.
8762
8763 2009-06-22  Ian Lance Taylor  <iant@google.com>
8764
8765         PR 10030
8766         * yyscript.y: Parse TARGET.
8767         * script.cc (script_set_target): New function.
8768         * script-c.h (script_set_target): Declare.
8769         * options.cc (General_options::string_to_object_format): Rename
8770         from string_to_object_format in anonymous namespace.  Change
8771         callers.
8772         * options.h (class General_options): Declare
8773         string_to_object_format.
8774
8775 2009-06-22  Ian Lance Taylor  <iant@google.com>
8776
8777         * script-sections.cc (Script_sections::create_segments): Don't put
8778         program headers in a PT_LOAD segment if -n or -N.
8779
8780 2009-06-22  Ian Lance Taylor  <iant@google.com>
8781
8782         PR 10141
8783         * options.h (class General_options): Add -z lazy and -z now.  Sort
8784         -z options into alphabetical order.
8785         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8786
8787 2009-06-21  Ian Lance Taylor  <iant@google.com>
8788
8789         * layout.cc (Layout::make_output_section): Call
8790         Target::new_output_section.
8791         (Layout::attach_allocated_section_to_segment): Put large section
8792         sections in a separate load segment with the large segment flag
8793         set.
8794         (Layout::segment_precedes): Sort large data segments after other
8795         load segments.
8796         (align_file_offset): New static function.
8797         (Layout::set_segment_offsets): Use align_file_offset.
8798         * output.h (class Output_section): Add is_small_section_ and
8799         is_large_section_ fields.
8800         (Output_section::is_small_section): New function.
8801         (Output_section::set_is_small_section):  New function.
8802         (Output_section::is_large_section): New function.
8803         (Output_section::set_is_large_section): New function.
8804         (Output_section::is_large_data_section): New function.
8805         (class Output_segment): Add is_large_data_segment_ field.
8806         (Output_segment::is_large_data_segment): New function.
8807         (Output_segment::set_is_large_data_segment): New function.
8808         * output.cc (Output_section::Output_section): Initialize new
8809         fields.
8810         (Output_segment::Output_segment): Likewise.
8811         (Output_segment::add_output_section): Add assertion that large
8812         data sections always go in large data segments.  Force small data
8813         sections to the end of the list of data sections.  Force small BSS
8814         sections to the start of the list of BSS sections.  For large BSS
8815         sections to the end of the list of BSS sections.
8816         * symtab.h (class Symbol): Declare is_common_shndx.
8817         (Symbol::is_defined): Check Symbol::is_common_shndx.
8818         (Symbol::is_common): Likewise.
8819         (class Symbol_table): Define enum Commons_section_type.  Update
8820         declarations.  Add small_commons_ and large_commons_ fields.
8821         * symtab.cc (Symbol::is_common_shndx): New function.
8822         (Symbol_table::Symbol_table): Initialize new fields.
8823         (Symbol_table::add_from_object): Put small and large common
8824         symbols in the right list.
8825         (Symbol_table::sized_finalized_symbol): Check
8826         Symbol::is_common_shndx.
8827         (Symbol_table::sized_write_globals): Likewise.
8828         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8829         common symbol lists.  Don't call do_allocate_commons_list if the
8830         list is empty.
8831         (Symbol_table::do_allocate_commons_list): Remove is_tls
8832         parameter.  Add comons_section_type parameter.  Change all
8833         callers.  Handle small and large common symbols.
8834         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8835         Symbol::is_common_shndx.
8836         * resolve.cc (symbol_to_bits): Likewise.
8837         * target.h (Target::small_common_shndx): New function.
8838         (Target::small_common_section_flags): New function.
8839         (Target::large_common_shndx): New function.
8840         (Target::large_common_section_flags): New function.
8841         (Target::new_output_section): New function.
8842         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8843         small_common_section_flags, and large_common_section_flags
8844         fields.
8845         (Target::do_new_output_section): New virtual function.
8846         * arm.cc (Target_arm::arm_info): Initialize new fields.
8847         * i386.cc (Target_i386::i386_info): Likewise.
8848         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8849         Likewise.
8850         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8851         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8852         (Target_x86_64::do_new_output_section): New function.
8853         * configure.ac: Define conditional MCMODEL_MEDIUM.
8854         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8855         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8856         (large_LDFLAGS): Define.
8857         * testsuite/large.c: New file.
8858         * testsuite/testfile.cc (Target_test::test_target_info):
8859         Initialize new fields.
8860         * configure, testsuite/Makefile.in: Rebuild.
8861
8862 2009-06-05  Doug Kwan  <dougkwan@google.com>
8863
8864         * Makefile.am (CCFILES): Add target.cc.
8865         * Makefile.in: Regenerate.
8866         * i386.cc (class Target_i386): Define new virtual method to
8867         override do_is_local_label_name in parent.
8868         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8869         local symbols if --discard-locals or -X is given.
8870         * options.h (class General_options): Declare new options
8871         '--discard-locals' and '-X' for discarding locals.
8872         * target.h (class Target): Define new methods is_local_label_name.
8873         Declare new virtual method do_is_local_label_name.
8874         * target.cc: New file.
8875         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8876         (check_SCRIPTS): Add discard_locals_test.sh.
8877         (check_DATA): Add discard_local_tests.syms.
8878         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8879         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8880         * testsuite/Makefile.in: Regenerate.
8881         * testsuite/discard_locals_test.c: New file.
8882         * testsuite/discard_locals_test.sh: Same.
8883
8884 2009-06-05  Doug Kwan  <dougkwan@google.com>
8885
8886         * object.cc (Sized_relobj::Sized_relobj): Initialize
8887         discarded_eh_frame_shndx_ to -1U.
8888         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8889         section.
8890         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8891         a discarded .eh_frame section.
8892         (Sized_relobj::do_finalize_local_symbols): Ditto.
8893         * object.h (class Sized_relobj): Declare new member
8894         discarded_eh_frame_shndx_.
8895         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8896         (local_labels_test.o, local_labels_test): New rules.
8897         * testsuite/Makefile.in: Regenerate.
8898
8899 2009-06-04  Doug Kwan  <dougkwan@google.com>
8900
8901         * layout.cc (Layout::section_name_mapping): Add mapping for
8902         special ARM sections.
8903
8904 2009-06-03  Doug Kwan  <dougkwan@google.com>
8905
8906         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8907         (utils::has_overflow): Same.
8908
8909 2009-06-03  Ian Lance Taylor  <iant@google.com>
8910
8911         * layout.cc (Layout::section_name_mapping): New array, replacing
8912         Layout::linkonce_mapping.
8913         (Layout::section_name_mapping_count): New variable, replacing
8914         Layout::linkonce_mapping_count.
8915         (Layout::linkonce_output_name): Remove.
8916         (Layout::output_section_name): Rewrite.
8917         * layout.h (class Layout): Rename Linkonce_mapping to
8918         Section_name_mapping, linkonce_mapping to section_name_mapping,
8919         linkonce_mapping_count to section_name_mapping_count.  Don't
8920         declare linkonce_output_name.
8921
8922 2009-06-03  Doug Kwan  <dougkwan@google.com>
8923
8924         * gold/arm.cc (namespace utils): New.
8925         (Target_arm::reloc_is_non_pic): Define new method.
8926         (class Arm_relocate_functions): New.
8927         (Target_arm::Relocate::relocate): Handle relocation types used by
8928         Android.
8929
8930 2009-06-03  Ian Lance Taylor  <iant@google.com>
8931
8932         * arm.cc (Target_arm::scan::global): Use || instead of |.
8933
8934 2009-06-02  Doug Kwan  <dougkwan@google.com>
8935
8936         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8937         issued_non_pic_error_.
8938         (class Target_arm::Scan): Declare new method check_non_pic.
8939         Define new method symbol_needs_plt_entry.
8940         Declare new data member issued_non_pic_error_.
8941         (class Target_arm::Relocate): Declare new method
8942         should_apply_static_reloc.
8943         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8944         (Target_arm::Scan::check_non_pic): Define new method.
8945         (Target_arm::Scan::local): Handle a small subset of reloc types used
8946         by Android.
8947         (Target_arm::Scan::local): Same.
8948         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8949
8950 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
8951
8952         * incremental.cc (Incremental_inputs::report_command_line): Filter
8953         out --incremental-* options.
8954
8955 2009-05-29  Doug Kwan  <dougkwan@google.com>
8956
8957         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8958         template class.
8959         (class Target_arm): Update comment.
8960         (Target_arm::Target_arm): Initialize new data members GOT_,
8961         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8962         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8963         and Target_arm::rel_dyn_section.
8964         Declare new_enum Target_arm::Got_type.
8965         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8966         and DYNBSS_.
8967         Update commments for member do_dynsym_value.
8968         (Target_arm::got_size, Target_arm::plt_section,
8969         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8970         new methods inside class defintion.
8971         (Target_arm::got_section): Define new method.
8972         (Target_arm::rel_dyn_section): Same.
8973         (Output_data_plt_arm): New template class.
8974         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8975         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8976         (Output_data_plt_arm::add_entry): Same.
8977         (Output_data_plt_arm::first_plt_entry): Define new
8978         static data member for PLT instruction template.
8979         (Output_data_plt_arm::plt_entry): Same.
8980         (Output_data_plt_arm::do_write): Define new method.
8981         (Target_arm::make_plt_entry): Same.
8982         (Target_arm::do_finalize_sections): Same.
8983         (Target_arm::do_dynsym_value): Same.
8984
8985 2009-05-28  Doug Kwan  <dougkwan@google.com>
8986
8987         * Makefile.am (TARGETSOURCES): Add arm.cc.
8988         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8989         * Makefile.in: Regenerate.
8990         * arm.cc: New file.
8991         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8992
8993 2009-05-26  Doug Kwan  <dougkwan@google.com>
8994
8995         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8996         (General_options::check_excluded_libs): Strip off directories in
8997         archive name before matching like GNU ld does.
8998         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8999         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9000         (exclude_libs_test_LDFLAGS): Add linker option
9001         -Wl,--exclude-libs,libexclude_libs_test_3
9002         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9003         an explicit archive without using -l.
9004         (alt/libexclude_libs_test_3.a): New make rule.
9005         * testsuite/Makefile.in: Regenerate.
9006         * testsuite/exclude_libs_test.c : Declare lib3_default().
9007         (main): Call it.
9008         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9009         * exclude_libs_test_3.c: New file.
9010
9011 2009-05-26  Nick Clifton  <nickc@redhat.com>
9012
9013         * po/id.po: New Indonesian translation.
9014         * po/gold.pot: Updated template file.
9015
9016 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9017
9018         * testsuite/Makefile.am: Add -ffunction-sections to compile
9019         gc_comdat_test files.  Add -Wl,--gc-sections to build
9020         gc_comdat_test.
9021         * testsuite/Makefile.in: Regenerate.
9022         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9023
9024 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9025
9026         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9027         kept comdat section was garbage collected.
9028         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9029         * testsuite/Makefile.in: Regenerate.
9030         * testsuite/gc_comdat_test.sh: New file.
9031         * testsuite/gc_comdat_test_1.cc: New file.
9032         * testsuite/gc_comdat_test_2.cc: New file.
9033
9034 2009-05-19  Doug Kwan  <dougkwan@google.com>
9035
9036         * archive.cc (Archive::Archive): Move constructor from archive.h
9037         to here.  Initialize no_export_.
9038         (Archive::get_elf_object_for_member): Set no_export flag of object.
9039         * archive.h (Archive::Archive): Move constructor body to
9040         archive.cc.
9041         (Archive::no_export): New method.
9042         (Archive::no_export_): New field.
9043         * object.h (Object::Object): Initialize no_export_ to false.
9044         (Object::no_export, Object::set_no_export): New methods.
9045         (Object::no_export_): New field.
9046         * options.cc (General_options::parse_exclude_libs): New method.
9047         (General_options::check_excluded_libs) Same.
9048         * options.h (exclude_libs): New option.
9049         (General_options::check_excluded_libs): New method declaration.
9050         (General_options::excluded_libs_): New field.
9051         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9052         default or protected visibility if an object has no-export flag set.
9053         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9054         (check_SCRIPTS): Add exclude_libs_test.sh.
9055         (check_DATA): Add exclude_libs_test.syms.
9056         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9057         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9058         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9059         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9060         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9061         libexclude_libs_test_2.a): New rules.
9062         * testsuite/Makefile.in: Regenerate.
9063         * testsuite/exclude_libs_test.c: New file.
9064         * testsuite/exclude_libs_test.sh: Ditto.
9065         * testsuite/exclude_libs_test_1.c: Ditto.
9066         * testsuite/exclude_libs_test_2.c: Ditto.
9067
9068 2009-05-15  Ian Lance Taylor  <iant@google.com>
9069
9070         * configure.ac: Check for declarations for cases where libiberty.h
9071         checks HAVE_DECL_xxx.
9072         * configure, config.in: Rebuild.
9073
9074 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9075
9076         * gold.h (Incremental_argument_list): Remove (invalid) forward
9077         declaration.
9078         * incremental.cc (Incremental_inputs::report_achive): New method.
9079         (Incremental_inputs::report_object): New method.
9080         (Incremental_inputs::report_script): New method.
9081         (Incremental_inputs::finalize_inputs): New method.
9082         (Incremental_inputs::finalize): Call finalize_inputs().
9083         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9084         Create inputs entries.
9085         * incremental.h (Incremental_input_type): New enum.
9086         (Incremental_inputs::Incremental_input): Initialize new fields.
9087         (Incremental_inputs::report_inputs): New method.
9088         (Incremental_inputs::report_achive): New method.
9089         (Incremental_inputs::report_object): New method.
9090         (Incremental_inputs::report_script): New method.
9091         (Incremental_inputs::finalize_inputs): New method.
9092         (Incremental_inputs::Input_info): New struct.
9093         (Incremental_inputs::Input_info_map): New typedef.
9094         (Incremental_inputs::lock_): New field.
9095         (Incremental_inputs::Inputs_): New field.
9096         (Incremental_inputs::Inputs_map): New field.
9097         * main.cc (main): Call Incremental_input::report_inputs.
9098         * options.h (Input_argument_list): Typedef moved from
9099         Input_arguments.
9100         (Input_file_group::Files): Remove, use ::Input_argument_list.
9101         (Input_file_group::Input_argument_list): Remove, use
9102         ::Input_argument_list.
9103         * plugin.cc (Plugin_manager::add_input_file): Add error in
9104         incremental build.
9105         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9106         functions.
9107         * script.cc (read_input_script): Call
9108         Incremental_input::report_script.
9109         * script.h (Script_info): New class.
9110
9111 2009-04-27  Ian Lance Taylor  <iant@google.com>
9112
9113         * x86_64.cc (do_adjust_output_section): Set entsize to
9114         plt_entry_size.
9115
9116 2009-04-23  Elliott Hughes  <enh@google.com>
9117
9118         * output.cc (Output_file::close): After short writes, continue
9119         writing from the correct offset in the buffer being written.
9120
9121 2009-04-23  Chris Demetriou  <cgd@google.com>
9122
9123         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9124         * configure: Regenerate.
9125         * config.in: Regenerate.
9126         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9127         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9128
9129 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9130
9131         * incremental.cc (Incremental_inputs_header_data): Renamed from
9132         Incremental_input_header_data.
9133         (Incremental_inputs_header_data::data_size): New field.
9134         (Incremental_inputs_header_data::put_input_file_count): Renamed
9135         from input_file_count.
9136         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9137         from command_line_offset.
9138         (Incremental_inputs_header_data::put_reserved): Renamed from
9139         put_reserved.
9140         (Incremental_inputs_entry_data): Renamed from
9141         Incremental_input_entry_data.
9142         (Incremental_inputs_entry_data::data_size): New field.
9143         (Incremental_inputs::report_command_line): New method.
9144         (Incremental_inputs::finalize): New method.
9145         (Incremental_inputs::create_incremental_inputs_data): New method.
9146         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9147         * incremental.h: New file.
9148         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9149        (Layout::finalize): Create incremental inputs section in
9150         incremental builds.
9151        (Layout::create_incremental_info_sections): New method.
9152         * layout.h (Layout::incremental_inputs): New method.
9153        (Layout::create_incremental_info_sections): New method.
9154        (Layout::incremental_inputs_): New field.
9155         * main.cc (main): Notify Incremental_input of the command line.
9156
9157 2009-04-01  Ian Lance Taylor  <iant@google.com>
9158             Mikolaj Zalewski  <mikolajz@google.com>
9159
9160         * gold.h (reserve_unordered_map): Define, three versions, one for
9161         each version of Unordered_map.
9162         * layout.cc (Layout::Layout): Remove options parameter.  Add
9163         number_of_input_files parameter.  Don't initialize options_.
9164         Initialize number_of_input_files_ and resized_signatures_.  Move
9165         sections_are_attached_.
9166         (Layout::layout_group): Reserve space for group_signatures_.
9167         (Layout::find_or_add_kept_section): Change name parameter to be a
9168         reference.  Resize signatures_ map when it gets large enough.
9169         (Layout::layout_eh_frame): Use parameters->options() instead of
9170         this->options_.
9171         (Layout::make_output_section): Likewise.
9172         (Layout::attach_allocated_section_to_segment): Likewise.
9173         (Layout::finalize, Layout::create_executable_stack): Likewise.
9174         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9175         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9176         * layout.h (class Layout): Update declarations.  Remove options_
9177         field.  Add number_of_input_files_ and resized_signatures_
9178         fields.  Move sections_are_attached_ field.
9179         * main.cc (main): Pass number of input files to Layout
9180         constructor.  Don't pass options.
9181
9182 2009-03-30  Ian Lance Taylor  <iant@google.com>
9183
9184         * ffsll.c (ffsll): Correct implementation.
9185
9186 2009-03-27  Ian Lance Taylor  <iant@google.com>
9187
9188         * ffsll.c: New file.
9189         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9190         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9191         * ftruncate.c (ftruncate): Declare before definition.
9192         * mremap.c (mremap): Likewise.
9193         * pread.c (pread): Likewise.
9194         * configure, Makefile.in, config.in: Rebuild.
9195
9196         * mremap.c: New file.
9197         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9198         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9199         (mremap): Declare if HAVE_MREMAP is not defined.
9200         * configure, Makefile.in, config.in: Rebuild.
9201
9202 2009-03-27  Cary Coutant  <ccoutant@google.com>
9203
9204         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9205         position independent.
9206         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9207         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9208
9209 2009-03-24  Cary Coutant  <ccoutant@google.com>
9210
9211         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9212         an executable.
9213         (needs_dynamic_reloc): Likewise.
9214
9215 2009-03-24  Ian Lance Taylor  <iant@google.com>
9216
9217         * yyscript.y (file_cmd): Recognize EXTERN.
9218         (extern_name_list, extern_name_list_body): New nonterminals.
9219         * script.cc (script_add_extern): Define.
9220         * script-c.h (script_add_extern): Declare.
9221
9222 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9223
9224         * object.cc (is_elf_object): Define.
9225         * object.h (is_elf_object): Declare.
9226         * archive.cc (Archive::get_elf_object_for_member): Call
9227         is_elf_object.
9228         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9229
9230 2009-03-24  Elliott Hughes  <enh@google.com>
9231
9232         * output.cc (Output_file::map_anonymous): Define.
9233         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9234         try an anonymous one.  Report the size if the mmap fails.
9235         * output.h (class Output_file): Declare map_anonymous.
9236
9237 2009-03-24  Ian Lance Taylor  <iant@google.com>
9238
9239         * target-select.cc (instantiate_target): Don't acquire the lock if
9240         the instantiated_target_ field has already been set.
9241
9242 2009-03-23  Ian Lance Taylor  <iant@google.com>
9243
9244         * gold-threads.h (class Initialize_lock): Define.
9245         * gold-threads.cc (class Initialize_lock_once): Define.
9246         (initialize_lock_control): New static variable.
9247         (initialize_lock_pointer): New static variable.
9248         (initialize_lock_once): New static function.
9249         (Initialize_lock::Initialize_lock): Define.
9250         (Initialize_lock::initialize): Define.
9251         * target-select.h: Include "gold-threads.h".
9252         (class Target_selector): Add lock_ and initialize_lock_ fields.
9253         Don't define instantiate_target, just declare it.
9254         * target-select.cc (Target_selector::Target_selector): Initialize
9255         new fields.
9256         (Target_selector::instantiate_target): Define.
9257         * descriptors.h: Include "gold-threads.h".
9258         (class Descriptors): Add initialize_lock_ field.
9259         * descriptors.cc (Descriptors::Descriptors): Initialize new
9260         field.
9261         (Descriptors::open): Use initialize_lock_ field
9262         * errors.h (class Errors): Add initialize_lock_ field.
9263         * errors.cc (Errors::Errors): Initialize new field.
9264         (Errors::initialize_lock): Use initialize_lock_ field.
9265         * powerpc.cc (class Target_selector_powerpc): Remove
9266         instantiated_target_ field.  In do_recognize call
9267         instantiate_target rather than do_instantiate_target.  In
9268         do_instantiate_target just allocate a new target.
9269         * sparc.cc (class Target_selector_sparc): Likewise.
9270
9271         * freebsd.h: New file.
9272         * i386.cc: Include "freebsd.h".
9273         (Target_i386): Derive from Target_freebsd rather than
9274         Sized_target.
9275         (Target_selector_i386): Derive from Target_selector_freebsd rather
9276         than Target_selector.
9277         * x86_64.cc: Include "freebsd.h".
9278         (Target_x86_64): Derive from Target_freebsd rather than
9279         Sized_target.
9280         (Target_selector_x86_64): Derive from Target_selector_freebsd
9281         rather than Target_selector.
9282         * target.h (class Target): Add adjust_elf_header and
9283         do_adjust_elf_header.
9284         * output.cc (Output_file_header:: do_sized_write): Call target
9285         adjust_elf_header routine.
9286         * configure.tgt: Set targ_osabi.
9287         * configure.ac: Define GOLD_DEFAULT_OSABI.
9288         * parameters.cc (Parameters::default_target): Pass
9289         GOLD_DEFAULT_OSABI to select_target.
9290         * target-select.h (class Target_selector): Make instantiate_target
9291         protected rather than private.
9292         * Makefile.am (HFILES): Add freebsd.h.
9293         * configure, Makefile.in, config.in: Rebuild.
9294
9295         * merge.cc (do_add_input_section): Correct pend value.  Change
9296         message about last entry not being null terminated from error to
9297         warning.
9298
9299 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9300
9301         * incremental.cc: New file.
9302         * Makefile.am (CCFILES): Add incremental.cc.
9303         * Makefile.in: Rebuild.
9304
9305 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9306
9307         * layout.cc (Layout::output_section_name): Preserve names
9308         of '.note.' sections.
9309
9310 2009-03-19  Ian Lance Taylor  <iant@google.com>
9311
9312         * descriptors.cc (Descriptors::open): Check that the options are
9313         valid before using them.
9314
9315 2009-03-18  Ian Lance Taylor  <iant@google.com>
9316
9317         * script-sections.h: Include <list>.
9318         (class Script_sections): Change Sections_elements from std::vector
9319         to std::list.  Typedef public Elements_iterator.  Add
9320         orphan_section_placement_, data_segment_align_start_, and
9321         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9322         field.
9323         * script-sections.cc (class Orphan_section_placement): New class.
9324         (class Sections_element): Add virtual functions is_relro and
9325         orphan_section_init.  Remove virtual function place_orphan_here.
9326         (class Output_section_definition): Add is_relro and
9327         orphan_section_init.  Remove place_orphan_here.
9328         (class Orphan_output_section): Likewise.
9329         (Script_sections::Script_sections): Update for field changes.
9330         (Script_sections::data_segment_align): Set saw_data_segment_align_
9331         and data_segment_align_start_, not data_segment_align_index.
9332         (Script_sections::data_segment_relro_end): Check
9333         saw_data_segment_align_.  Use data_segment_align_start_ rather
9334         than data_segment_align_index_.
9335         (Script_sections::place_orphan): Rewrite to use
9336         Orphan_section_placement.
9337
9338 2009-03-17  Ian Lance Taylor  <iant@google.com>
9339
9340         * archive.cc (Archive::add_symbols): Check for a version attached
9341         to the symbol name in the archive map.
9342         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9343         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9344         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9345         (ver_test_11.a): New target.
9346         * testsuite/Makefile.in: Rebuild.
9347
9348         * configure.ac: Check for chsize and posix_fallocate.  Replace
9349         ftruncate.
9350         * ftruncate.c: New file, from gnulib.
9351         * output.cc (posix_fallocate): Define dummy version if not
9352         HAVE_POSIX_FALLOCATE.
9353         (Output_file::map): Call posix_fallocate rather than lseek and
9354         write.
9355         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9356         * configure, Makefile.in, config.in: Rebuild.
9357
9358 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9359
9360         * layout.h (Layout::create_note): Add section_name parameter.
9361         * layout.cc (Layout::create_note): Likewise.
9362         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9363
9364 2009-03-17  Ian Lance Taylor  <iant@google.com>
9365
9366         * descriptors.cc: Include "options.h".
9367         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9368         (Descriptors::open): Always use O_CLOEXEC when opening a new
9369         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9370         then set FD_CLOEXEC.
9371
9372         * sparc.cc (class Target_sparc): Add has_got_section.
9373         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9374         make sure we have a GOT section.
9375
9376         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9377         (Target_sparc::Scan::local): Likewise.
9378         (Target_sparc::Scan::global): Likewise.
9379         (Target_sparc::Relocate::relocate): Likewise.
9380         (Target_sparc::Relocate::relocate_tls): Likewise.
9381
9382         * symtab.cc (Symbol_table::define_default_version): New function,
9383         broken out of add_from_object.
9384         (Symbol_table::add_from_object): Call define_default_version.
9385         (Symbol_table::define_special_symbol): Add resolve_oldsym
9386         parameter.  Change all callers.  If the version for a symbol comes
9387         from a version script, resolve it with the symbol with the same
9388         name with no version.  Also add the symbol without a version if
9389         appropriate.
9390         (do_define_in_output_data): If resolving with oldsym, don't delete
9391         sym.
9392         (do_define_in_output_segment): Likewise.
9393         (do_define_as_constant): Likewise.
9394         * symtab.h (class Symbol_table): Update declarations.
9395
9396 2009-03-13  Ian Lance Taylor  <iant@google.com>
9397
9398         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9399         (Read_symbols::requeue): New function.
9400         (Read_symbols::do_read_symbols): If make_elf_object fails because
9401         the target type is not configured, and the file was searched for,
9402         issue a warning and retry with the next directory.
9403         (Add_symbols::run): If the file has an incompatible format, and
9404         it was searched for, requeue the Read_symbols task.  On error,
9405         release the object.
9406         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9407         dirindex parameter to constructor.  Change all callers.  Declare
9408         incompatible_warning and requeue.
9409         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9410         input_argument_ and input_group_ fields.  Add them to
9411         constructor.  Change all callers.
9412         (class Read_script): Add dirindex_ field.  Add it to constructor.
9413         Change all callers.
9414         * archive.cc (Archive::setup): Remove input_objects parameter.
9415         Change all callers.
9416         (Archive::get_file_and_offset): Likewise.
9417         (Archive::read_all_symbols): Likewise.
9418         (Archive::read_symbols): Likewise.
9419         (Archive::get_elf_object_for_member): Remove input_objects
9420         parameter.  Add punconfigured parameter.  Change all callers.
9421         (Archive::add_symbols): Change return type to bool.  Check return
9422         value of include_member.
9423         (Archive::include_all_members): Likewise.
9424         (Archive::include_member): Change return type to bool.  Return
9425         false if first included object has incompatible target.  Set
9426         included_member_ field.
9427         (Add_archive_symbols::run): If add_symbols returns false, requeue
9428         Read_symbols task.
9429         * archive.h (class Archive): Add included_member_ field.
9430         Initialize it in constructor.  Add input_file and searched_for
9431         methods.  Update declarations.
9432         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9433         input_argument_ fields.  Add them to constructor.  Change all
9434         callers.
9435         * script.cc: Include "target-select.h".
9436         (class Parser_closure): Add skip_on_incompatible_target_ and
9437         found_incompatible_target_ fields.  Add
9438         skip_on_incompatible_target parameter to constructor.  Change all
9439         callers.  Add methods skip_on_incompatible_target,
9440         clear_skip_on_incompatible_target, found_incompatible_target, and
9441         set_found_incompatible_target.
9442         (read_input_script): Add dirindex parameter.  Change all callers.
9443         If parser finds an incompatible target, requeue Read_symbols
9444         task.
9445         (script_set_symbol): Clear skip_on_incompatible_target in
9446         closure.
9447         (script_add_assertion, script_parse_option): Likewise.
9448         (script_start_sections, script_add_phdr): Likewise.
9449         (script_check_output_format): New function.
9450         * script.h (read_input_script): Update declaration.
9451         * script-c.h (script_check_output_format): Declare.
9452         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9453         (ignore_cmd): Remove OUTPUT_FORMAT.
9454         * fileread.cc (Input_file::Input_file): Add explicit this.
9455         (Input_file::will_search_for): New function.
9456         (Input_file::open): Add pindex parameter.  Change all callers.
9457         * fileread.h (class Input_file): Add input_file_argument method.
9458         Declare will_search_for.  Update declarations.
9459         * object.cc (make_elf_object): Add punconfigured parameter.
9460         Change all callers.
9461         * object.h (class Object): Make input_file public.  Add
9462         searched_for method.
9463         (make_elf_object): Update declaration.
9464         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9465         restart search.
9466         * dirsearch.h (class Dirsearch): Update declaration.
9467         * options.h (class General_options): Add --warn-search-mismatch.
9468         * parameters.cc (Parameters::is_compatible_target): New function.
9469         * parameters.h (class Parameters): Declare is_compatible_target.
9470         * workqueue.cc (Workqueue::add_blocker): New function.
9471         * workqueue.h (class Workqueue): Declare add_blocker.
9472
9473         * fileread.cc (Input_file::open): Remove options parameter.
9474         Change all callers.
9475         (Input_file::open_binary): Likewise.
9476         * script.cc (read_input_script): Likewise.
9477         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9478         options parameter from constructor.  Change all callers.
9479         (class Read_script): Likewise.
9480         * fileread.h (class Input_file): Update declarations.
9481         * script.h (read_input_script): Update declaration.
9482
9483 2009-03-10  Nick Clifton  <nickc@redhat.com>
9484
9485         * po/es.po: New Spanish translation.
9486
9487 2009-03-06  Cary Coutant  <ccoutant@google.com>
9488
9489         * options.cc (parse_short_option): Keep dash_z from registering itself.
9490
9491 2009-03-03  Ian Lance Taylor  <iant@google.com>
9492
9493         PR 9918
9494         * target-reloc.h (relocate_section): Pass output_section to
9495         relocate.
9496         * i386.cc (Target_i386::should_apply_static_reloc): Add
9497         output_section parameter.  Change all callers.
9498         (Target_i386::Relocate::relocate): Add output_section parameter.
9499         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9500         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9501         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9502         * testsuite/two_file_shared.sh: New script.
9503         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9504         (check_DATA): Add two_file_shared.dbg.
9505         (two_file_shared.dbg): New target.
9506         * testsuite/Makefile.in: Rebuild.
9507
9508 2009-03-01  Ian Lance Taylor  <iant@google.com>
9509
9510         * configure.ac: Check for byteswap.h.
9511         * configure: Rebuild.
9512         * config.in: Rebuild.
9513
9514 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9515
9516         * layout.cc (Layout::find_or_add_kept_section): New function.
9517         (Layout::add_comdat): Removed.
9518         * layout.h (struct Kept_section): Move out of class Layout.
9519         Remove trailing underscores from field names.  Add group_sections
9520         field.  Rename group_ field to is_group.  Change all uses.
9521         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9522         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9523         comdat_groups_ field.
9524         (Sized_relobj::include_section_group): Use
9525         find_or_add_kept_section and Kept_section::group_sections.
9526         (Sized_relobj::include_linkonce_section): Likewise.
9527         * object.cc (class Sized_relobj): Don't define Comdat_group or
9528         Comdat_group_table.  Remove find_comdat_group and
9529         add_comdat_group.  Remove comdat_groups_ field.
9530         * plugin.cc (include_comdat_group): Use
9531         Layout::find_or_add_kept_section.
9532
9533 2009-02-28  Ian Lance Taylor  <iant@google.com>
9534
9535         * README: --gc-sections and map files are now supported.  Document
9536         some build requirements.
9537
9538         PR 6992
9539         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9540         relocatable link set the value of the section symbol to zero.
9541         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9542         relocatable link don't include the section address in the local
9543         symbol value.
9544
9545 2009-02-27  Ian Lance Taylor  <iant@google.com>
9546
9547         PR 6811
9548         * options.h (class Search_directory): Add is_system_directory.
9549         (class General_options): Declare is_in_system_directory.
9550         * options.cc (get_relative_sysroot): Make static.
9551         (get_default_sysroot): Make static.
9552         (General_optoins::is_in_system_directory): New function.
9553         * fileread.cc (Input_file::is_in_system_directory): New function.
9554         * fileread.h (class Input_file): Declare is_in_system_directory.
9555         * object.h (class Object): Add is_in_system_directory.
9556         (class Input_objects): Remove system_library_directory_ field.
9557         * object.cc (Input_objects::add_object): Don't set
9558         system_library_directory_.
9559         (input_objects::found_in_system_library_directory): Remove.
9560         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9561         parameter.  Change all callers.
9562         (Symbol_table::sized_write_globals): Likewise.
9563         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9564         Call Object::is_in_system_directory.
9565         * symtab.h (class Symbol_table): Update declarations.
9566
9567         PR 5990
9568         * descriptors.h (Open_descriptor): Add is_on_stack field.
9569         * descriptors.cc (Descriptors::open): If the descriptor is on the
9570         top of the stack, remove it.  Initialize is_on_stack field.
9571         (Descriptors::release): Only add pod to stack if it is not on the
9572         stack already.
9573         (Descriptors::close_some_descriptor): Clear stack_next and
9574         is_on_stack fields.
9575
9576         PR 7091
9577         * output.cc (Output_section::find_starting_output_address): Rename
9578         from starting_output_address; add PADDR parameter; change return
9579         type.
9580         * output.h (class Output_section): Declare
9581         find_starting_output_address instead of starting_output_address.
9582         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9583         section symbol for which we can't find a merge section.
9584
9585         PR 9836
9586         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9587         hidden or internal, force the symbol to be local.
9588         * resolve.cc (Symbol::override_visibility): Define.
9589         (Symbol::override_base): Use override_visibility.
9590         (Symbol_table::resolve): Likewise.
9591         (Symbol::override_base_with_special): Likewise.
9592         (Symbol_table::override_with_special): If the visibility is hidden
9593         or internal, force the symbol to be local.
9594         * symtab.h (class Symbol): Add set_visibility and
9595         override_visibility.
9596         * testsuite/ver_test_1.sh: New file.
9597         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9598         (check_DATA): Add ver_test_1.syms.
9599         (ver_test_1.syms): New target.
9600         * testsuite/Makefile.in: Rebuild.
9601
9602 2009-02-25  Cary Coutant  <ccoutant@google.com>
9603
9604         * layout.cc (Layout::choose_output_section): Don't rename sections
9605         when using a linker script that has a SECTIONS clause.
9606         * Makefile.in: Regenerate.
9607
9608         * testsuite/Makefile.am (script_test_5.sh): New test case.
9609         * testsuite/Makefile.in: Regenerate.
9610         * testsuite/script_test_5.cc: New file.
9611         * testsuite/script_test_5.sh: New file.
9612         * testsuite/script_test_5.t: New file.
9613
9614 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9615
9616         * archive.cc (Archive::include_member): Update calls to add_symbols.
9617         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9618         the Layout argument.
9619         * dynobj.h (do_add_symbols): Add the Layout argument.
9620         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9621         Layout argument.
9622         * object.h (Object::add_symbols): Add the Layout argument.
9623         (Object::do_add_symbols): Add the Layout argument.
9624         (Sized_relobj::do_add_symbols): Add the Layout argument.
9625         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9626         Unify the two versions.
9627         (Add_plugin_symbols): Remove.
9628         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9629         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9630         (Add_plugin_symbols): Remove.
9631         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9632         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9633         (Add_symbols::run): Make it work with Pulginobj.
9634
9635 2009-02-06  Ian Lance Taylor  <iant@google.com>
9636
9637         * object.cc (Sized_relobj::do_layout): Make info message start
9638         with lower case letter.
9639
9640 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9641
9642         * binary.cc: Fix file comment.
9643
9644         * options.h (enum Incremental_disposition): Define.
9645         (class General_options): Add new options: --incremental,
9646         --incremental_changed, --incremental_unchanged,
9647         --incremental_unknown.  Add incremental_disposition_ and
9648         implicit_incremental_ fields.
9649         (General_options::incremental_disposition): New function.
9650         (class Position_dependent_options): Add incremental_disposition
9651         option.
9652         (Position_dependent_options::copy_from_options): Set incremental
9653         dispositions.
9654         * options.cc (General_options::parse_incremental_changed): New
9655         function.
9656         (General_options::parse_incremental_unchanged): New function.
9657         (General_options::parse_incremental_unknown): New function.
9658         (General_options::General_options): Initialize new fields
9659         incremental_disposition_ and implicit_incremental_.
9660         (General_options::finalize): Check for uasge of --incremental-*
9661         without --incremental.
9662
9663 2009-02-06  Chris Demetriou  <cgd@google.com>
9664
9665         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9666         pointer and to report location as the file name associated with
9667         the symbol.
9668         (gold_undefined_symbol_at_location): New function to replace the
9669         old gold_undefined_symbol functionality.
9670         * target-reloc.h (relocate_section): Update to use
9671         gold_undefined_symbol_at_location.
9672         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9673         Call gold_undefined_symbol function rather than gold_error.
9674         * errors.h (Errors::undefined_symbol): Take location as a
9675         string, rather than calculating it from a relocation.
9676         * errors.cc (Errors::fatal): Print "fatal error:" before the
9677         formatted message.
9678         (Errors::error, Errors::error_at_location): Print "error: "
9679         before the formatted message.
9680         (Errors::undefined_symbol): Take location as a string, rather
9681         than calculating it from a relocation.
9682         (gold_undefined_symbol_at_location): New function akin to
9683         old gold_undefined_symbol, calculates location from relocation.
9684         (gold_undefined_symbol): Change to take only a Symbol pointer
9685         and to report location as the file name associated with the symbol.
9686         * testsuite/debug_msg.sh: Update for changed error messages.
9687         * testsuite/undef_symbol.sh: Likewise.
9688
9689 2009-02-04  Duncan Sands  <baldrick@free.fr>
9690
9691         PR 9812
9692         * reduced_debug_output.h
9693         (Output_reduced_debug_abbrev_section::failed): Use format for
9694         gold_warning.
9695         (Output_reduced_debug_info_section::faild): Likewise.
9696
9697 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9698
9699         * script.cc (Lazy_demangler): New class.
9700         (Version_script_info::get_symbol_version_helper): Demangle a
9701         symbol only once.
9702
9703 2009-01-29  Cary Coutant  <ccoutant@google.com>
9704
9705         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9706         to __tls_get_addr.
9707         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9708
9709 2009-01-28  Ian Lance Taylor  <iant@google.com>
9710
9711         * version.cc (version_string): Bump to 1.9.
9712
9713         * gold.h: Include <cstring> and <stdint.h>.
9714         * version.cc: Include <cstdio>.
9715         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9716         warning.
9717         * reduced_debug_output.cc (insert_into_vector): Rename from
9718         Insert_into_vector; change all callers.  Use Swap_unaligned to
9719         avoid aliasing issue; remove union since it is unnecessary.
9720
9721 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9722
9723         * Makefile.am (CCFILES): Add gc.cc.
9724         (HFILES): Add gc.h.
9725         * Makefile.in: Regenerate.
9726         * gold.cc (Gc_runner): New class.
9727         (queue_initial_tasks): Call garbage collection related tasks
9728         when corresponding options are invoked.
9729         (queue_middle_gc_tasks): New function.
9730         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9731         processed early before laying out sections during garbage collection.
9732         * gold.h (queue_middle_gc_tasks): New function.
9733         (is_prefix_of): Move from "layout.cc".
9734         * i386.cc (Target_i386::gc_process_relocs): New function.
9735         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9736         * main.cc (main): Create object of class "Garbage_collection".
9737         * object.cc (Relobj::copy_symbols_data): New function.
9738         (Relobj::is_section_name_included): New function.
9739         (Sized_relobj::do_layout): Allow this function to be called twice
9740         during garbage collection and defer layout of section during the
9741         first call.
9742         * object.h (Relobj::get_symbols_data): New function.
9743         (Relobj::is_section_name_included): New function.
9744         (Relobj::copy_symbols_data): New function.
9745         (Relobj::set_symbols_data): New function.
9746         (Relobj::get_relocs_data): New function.
9747         (Relobj::set_relocs_data): New function.
9748         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9749         (Relobj::gc_process_relocs): New function.
9750         (Relobj::do_gc_process_relocs): New pure virtual function.
9751         (Relobj::sd_): New data member.
9752         (Sized_relobj::is_output_section_offset_invalid): New function.
9753         (Sized_relobj::do_gc_process_relocs): New function.
9754         * options.h (General_options::gc_sections): Modify to not be a no-op.
9755         (General_options::print_gc_sections): New option.
9756         * plugin.cc (Plugin_finish::run): Remove function call to
9757         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9758         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9759         * reloc.cc (Read_relocs::run): Add task to process relocs and
9760         determine unreferenced sections when doing garbage collection.
9761         (Gc_process_relocs): New class.
9762         (Sized_relobj::do_gc_process_relocs): New function.
9763         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9764         sections that are garbage collected.
9765         * reloc.h (Gc_process_relocs): New class.
9766         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9767         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9768         symbols whose corresponding sections are garbage collected.
9769         (Symbol_table::Symbol_table): Add new parameter for the garbage
9770         collection object.
9771         (Symbol_table::gc_mark_undef_symbols): New function.
9772         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9773         (Symbol_table::gc_mark_dyn_syms): New function.
9774         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9775         as garbage.
9776         (Symbol_table::add_from_object): Likewise.
9777         (Symbol_table::add_from_relobj): When building shared objects, do not
9778         treat externally visible symbols as garbage.
9779         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9780         table information for static and relocatable links.
9781         * symtab.h (Symbol_table::set_gc): New function.
9782         (Symbol_table::gc): New function.
9783         (Symbol_table::gc_mark_undef_symbols): New function.
9784         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9785         (Symbol_table::gc_mark_dyn_syms): New function.
9786         (Symbol_table::gc_): New data member.
9787         * target.h (Sized_target::gc_process_relocs): New pure virtual
9788         function.
9789         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9790         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9791
9792 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9793
9794         * options.h (General_options::gc_sections): Define as a no-op for now.
9795         (General_options::no_keep_memory): Ditto.
9796         (General_options::Bshareable): Define.
9797         * options.cc (General_options::finalize): Honor -Bshareable.
9798
9799 2009-01-20  Andreas Schwab  <schwab@suse.de>
9800
9801         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9802         read the value in the contents, since we don't use it.  Use the
9803         template endianness when writing.
9804         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9805
9806 2009-01-19  Andreas Schwab  <schwab@suse.de>
9807
9808         * configure.tgt (powerpc64-*): Fix targ_obj.
9809
9810 2009-01-15  Ian Lance Taylor  <iant@google.com>
9811
9812         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9813         local symbols when stripping all symbols.
9814
9815 2009-01-14  Cary Coutant  <ccoutant@google.com>
9816
9817         * output.cc (Output_reloc): Add explicit instantiations.
9818
9819 2009-01-14  Cary Coutant  <ccoutant@google.com>
9820
9821         * archive.cc (Archive::get_elf_object_for_member): Remove call
9822         to File_read::claim_for_plugin.
9823         * descriptors.cc (Descriptors::open): Remove reference to
9824         is_claimed.
9825         (Descriptors::claim_for_plugin): Remove.
9826         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9827         (Descriptors::is_claimed): Remove.
9828         (claim_descriptor_for_plugin): Remove.
9829         * fileread.cc (File_read::claim_for_plugin): Remove.
9830         * fileread.h (File_read::claim_for_plugin): Remove.
9831         (File_read::descriptor): Reopen descriptor if necessary.
9832         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9833         (Plugin_manager::all_symbols_read): Add task parameter. Change
9834         all callers.
9835         (Plugin_manager::get_input_file): New function.
9836         (Plugin_manager::release_input_file): New function.
9837         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9838         corresponding data member.
9839         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9840         and pass to base constructor. Change all callers.
9841         (get_input_file, release_input_file): New functions.
9842         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9843         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9844         (Plugin_manager::all_symbols_read): Add task parameter.
9845         (Plugin_manager::get_input_file): New function.
9846         (Plugin_manager::release_input_file): New function.
9847         (Plugin_manager::task_): New data member.
9848         (Pluginobj::Pluginobj): Add filesize parameter.
9849         (Pluginobj::filename): New function.
9850         (Pluginobj::descriptor): New function.
9851         (Pluginobj::filesize): New function.
9852         (Pluginobj::filesize_): New data member.
9853         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9854         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9855         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9856
9857         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9858         with archive libraries.
9859         * testsuite/Makefile.in: Regenerate.
9860         * testsuite/plugin_test.c (struct sym_info): New type.
9861         (get_input_file, release_input_file): New static variables.
9862         (onload): Capture new transfer vector entries.
9863         (claim_file_hook): Stop reading at end of file according to filesize.
9864         Factor out parsing of readelf output into separate function.
9865         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9866         APIs and get the source file name from the symbol table.  Convert
9867         source file name to corresponding object file name.  Print info
9868         message when adding new input files.
9869         (parse_readelf_line): New function.
9870         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9871         * testsuite/plugin_test_2.sh: Likewise.
9872         * testsuite/plugin_test_3.sh: Likewise.
9873         * testsuite/plugin_test_4.sh: New test case.
9874
9875 2009-01-07  Ian Lance Taylor  <iant@google.com>
9876
9877         * version.cc (version_string): Bump to 1.8.
9878
9879 2008-12-23  Cary Coutant  <ccoutant@google.com>
9880
9881         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9882         * plugin.cc (Plugin_manager::finish): Rename as
9883         layout_deferred_objects.  Move cleanup to separate function.
9884         (Plugin_manager::cleanup): New function.
9885         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9886         separately.
9887         * plugin.h (Plugin_manager::finish): Rename as
9888         layout_deferred_objects.
9889         (Plugin_manager::cleanup): New function.
9890         (Plugin_manager::cleanup_done): New field.
9891
9892 2008-12-23  Cary Coutant  <ccoutant@google.com>
9893
9894         * plugin.cc (is_visible_from_outside): New function.
9895         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9896         so we don't return "IR only" status for exported symbols or -r links.
9897
9898         * testsuite/Makefile.am (plugin_test_3): New test case.
9899         * testsuite/Makefile.in: Regenerate.
9900         * testsuite/plugin_test_3.sh: New file.
9901
9902 2008-12-22  Cary Coutant  <ccoutant@google.com>
9903
9904         * object.cc (Sized_relobj::layout_section): New function.
9905         (Sized_relobj::do_layout): Defer layout of input sections until after
9906         plugin has provided replacement files.
9907         (Sized_relobj::do_layout_deferred_sections): New function.
9908         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9909         (Relobj::layout_deferred_sections): New function.
9910         (Relobj::do_layout_deferred_sections): New function.
9911         (Sized_relobj::do_layout_deferred_sections): New function.
9912         (Sized_relobj::layout_section): New function.
9913         (Sized_relobj::Deferred_layout): New structure.
9914         (Sized_relobj::deferred_layout_): New field.
9915         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9916         Change all callers.  Layout deferred sections.
9917         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9918         references.
9919         (Plugin_hook::run): Move code from do_plugin_hook inline.
9920         (Plugin_hook::do_plugin_hook): Remove.
9921         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9922         (Plugin_manager::finish): Renamed, was cleanup.
9923         (Plugin_manager::should_defer_layout): New function.
9924         (Plugin_manager::add_deferred_layout_object): New function.
9925         (Plugin_manager::Deferred_layout_list): New type.
9926         (Plugin_manager::deferred_layout_objects_): New field.
9927         (Plugin_hook::do_plugin_hook): Remove.
9928
9929 2008-12-17  Ian Lance Taylor  <iant@google.com>
9930
9931         * options.h (class General_options): Add --no case for
9932         --export-dynamic.
9933
9934 2008-12-16  Cary Coutant  <ccoutant@google.com>
9935
9936         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9937         vector.
9938         (Plugin_manager::claim_file): Create plugin object even if
9939         plugin did not call the add_symbols callback.
9940         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9941         asking for more symbols than were added.
9942         * testsuite/Makefile.am (plugin_test_1): Add test case with
9943         no global symbols.
9944         (empty.syms): New target.
9945         * testsuite/Makefile.in: Regenerate.
9946         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9947         message. Don't call add_symbols if no globals.
9948         (all_symbols_read_hook): Don't provide replacement for empty
9949         claimed file.
9950
9951 2008-12-12  Ian Lance Taylor  <iant@google.com>
9952
9953         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9954         r_type == 0 for a local symbol with r_sym == 0.
9955         (scan_relocatable_relocs): Pass r_sym to
9956         local_non_section_strategy.
9957         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9958         r_sym parameter.
9959
9960         * configure.ac: Update test for TLS descriptors: they are
9961         supported as of glibc 2.9.
9962         * configure: Rebuild.
9963
9964 2008-12-11  Ian Lance Taylor  <iant@google.com>
9965
9966         PR 7091
9967         * target-reloc.h (Default_scan_relocatable_relocs): For each
9968         function, map r_type == 0 to RELOC_DISCARD.
9969
9970 2008-12-10  Cary Coutant  <ccoutant@google.com>
9971
9972         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9973         object to override a kept COMDAT group from a plugin object.
9974
9975 2008-12-09  Ian Lance Taylor  <iant@google.com>
9976
9977         PR 7088
9978         * yyscript.y (file_cmd): Handle INPUT.
9979
9980         * testsuite/initpri1.c: Change all declarations to be full
9981         prototypes by adding void, to avoid compiler warnings.
9982
9983 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
9984
9985         * options.cc (General_options::parse_plugin_opt): New.
9986         (General_options::add_plugin): The argument now is just the filename.
9987         (General_options::add_plugin_option): New.
9988         * options.h (plugin_opt): New.
9989         (add_plugin): Change argument name.
9990         (add_plugin_option): New.
9991         * plugin.cc (Plugin::load): Don't parse the plugin option.
9992         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9993         (Plugin::add_option): New.
9994         (Plugin::args_): Change type.
9995         (Plugin::filename_): New.
9996         (Plugin_manager::add_plugin_option): New.
9997         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9998         * testsuite/Makefile.in: Regenerate.
9999
10000 2008-12-05  Cary Coutant  <ccoutant@google.com>
10001
10002         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10003         Handle --strip-lto-sections option.
10004         * options.h (strip_lto_sections): New option.
10005
10006 2008-12-01  Cary Coutant  <ccoutant@google.com>
10007
10008         * plugin.cc (ld_plugin_message): Change format parameter to const.
10009         Fix mismatch between new[] and delete.
10010
10011 2008-11-14  Cary Coutant  <ccoutant@google.com>
10012
10013         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10014         instead of -1U.
10015
10016 2008-11-05  Craig Silverstein  <csilvers@google.com>
10017
10018         * options.cc (General_options::parse_dynamic_list): New function.
10019         * options.h (General_options): New flags dynamic_list,
10020         dynamic_list_data, dynamic_list_cpp_new, and
10021         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10022         (General_options::in_dynamic_list): New function.
10023         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10024         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10025         (Lex::can_continue_name): Likewise.
10026         (yylex): Likewise.
10027         (read_script_file): New parameter script_options.
10028         (read_dynamic_list): New function.
10029         (Script_options::define_dynamic_list): New function.
10030         (dynamic_list_keyword_parsecodes): New variable.
10031         (dynamic_list_keywords): New variable.
10032         * script.h (Script_options::define_dynamic_list): New function
10033         prototype.
10034         (read_dynamic_list): New function prototype.
10035         * symtab.cc (strprefix): New macro.
10036         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10037         dynamic_list_data, dynamic_list_cpp_new, and
10038         dynamic_list_cpp_typeinfo.
10039         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10040         (dynamic_list_expr): New rule.
10041         (dynamic_list_nodes): Likewise.
10042         (dynamic_list_node): Likewise.
10043         * testsuite/Makefile.am (dynamic_list): New test.
10044         * testsuite/Makefile.in: Regenerated.
10045         * testsuite/dynamic_list.t: New file.
10046         * testsuite/dynamic_list.sh: New file.
10047
10048 2008-11-05  Craig Silverstein  <csilvers@google.com>
10049
10050         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10051         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10052         (t11_last): Likewise.
10053         * testsuite/ver_test_6.c (main): Likewise.
10054
10055 2008-10-07  Cary Coutant  <ccoutant@google.com>
10056
10057         * options.c (General_options::finalize): Add check for -static and
10058         -shared.
10059         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10060         is not empty.
10061
10062 2008-10-02  Cary Coutant  <ccoutant@google.com>
10063
10064         * plugin.cc (make_sized_plugin_object): Fix conditional
10065         compilation to work when not all targets are enabled.
10066
10067 2008-09-29  Cary Coutant  <ccoutant@google.com>
10068
10069         * archive.cc (Archive::get_file_and_offset): Use filename instead
10070         of name to get library path.
10071         (Archive::include_member): Unlock external member of a thin archive.
10072
10073         * testsuite/Makefile.am (TEST_AR): New variable.
10074         (thin_archive_test_1): New test.
10075         (thin_archive_test_2): New test.
10076         * testsuite/Makefile.in: Regenerate.
10077         * testsuite/thin_archive_main.cc: New file.
10078         * testsuite/thin_archive_test_1.cc: New file.
10079         * testsuite/thin_archive_test_2.cc: New file.
10080         * testsuite/thin_archive_test_3.cc: New file.
10081         * testsuite/thin_archive_test_4.cc: New file.
10082
10083 2008-09-29  Cary Coutant  <ccoutant@google.com>
10084
10085         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10086         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10087         instead of -1U.
10088         (Sized_relobj::do_finalize_local_symbols): Likewise.
10089         (Sized_relobj::map_to_kept_section): Likewise.
10090         * object.h (Sized_relobj::invalid_address): New constant.
10091         (Sized_relobj::do_output_section_offset): Check for invalid_address
10092         and return -1ULL.
10093         * output.cc (Output_reloc::local_section_offset): Use constant
10094         invalid_address instead of -1U.
10095         (Output_reloc::get_address): Likewise.
10096         (Output_section::output_address): Change -1U to -1ULL.
10097         * output.h (Output_reloc::invalid_address): New constant.
10098         * reloc.cc (Sized_relobj::write_sections): Use constant
10099         invalid_address instead of -1U.
10100         (Sized_relobj::relocate_sections): Likewise.
10101         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10102         values for merge sections.
10103         * target-reloc.h (relocate_for_relocatable): Use constant
10104         invalid_address instead of -1U.
10105
10106 2008-09-19  Cary Coutant  <ccoutant@google.com>
10107
10108         Add plugin functionality for link-time optimization (LTO).
10109         * configure.ac (plugins): Add --enable-plugins option.
10110         * configure: Regenerate.
10111         * config.in: Regenerate.
10112         * Makefile.am (LIBDL): New variable.
10113         (CCFILES): Add plugin.cc.
10114         (HFILES): Add plugin.h.
10115         (ldadd_var): Add LIBDL.
10116         * Makefile.in: Regenerate.
10117
10118         * archive.cc: Include "plugin.h".
10119         (Archive::setup): Don't preread archive symbols when using a plugin.
10120         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10121         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10122         files.
10123         (Archive::include_member): Add symbols from plugin objects.
10124         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10125         * descriptors.cc (Descriptors::open): Check for file descriptors
10126         abandoned by plugins.
10127         (Descriptors::claim_for_plugin): New function.
10128         * descriptors.h (Descriptors::claim_for_plugin): New function.
10129         (Open_descriptor::is_claimed): New field.
10130         (claim_descriptor_for_plugin): New function.
10131         * fileread.cc (File_read::claim_for_plugin): New function.
10132         * fileread.h (File_read::claim_for_plugin): New function.
10133         (File_read::descriptor): New function.
10134         * gold.cc: Include "plugin.h".
10135         (queue_initial_tasks): Add task to call plugin hooks for generating
10136         new object files.
10137         * main.cc: Include "plugin.h".
10138         (main): Load plugin libraries.
10139         * object.h (Pluginobj): Declare.
10140         (Object::pluginobj): New function.
10141         (Object::do_pluginobj): New function.
10142         (Object::set_target): New function.
10143         * options.cc: Include "plugin.h".
10144         (General_options::parse_plugin): New function.
10145         (General_options::General_options): Initialize plugins_ field.
10146         (General_options::add_plugin): New function.
10147         * options.h (Plugin_manager): Declare.
10148         (General_options): Add --plugin option.
10149         (General_options::has_plugins): New function.
10150         (General_options::plugins): New function.
10151         (General_options::add_plugin): New function.
10152         (General_options::plugins_): New field.
10153         * plugin.cc: New file.
10154         * plugin.h: New file.
10155         * readsyms.cc: Include "plugin.h".
10156         (Read_symbols::do_read_symbols): Check for archive before checking
10157         for ELF file.  Call plugin hooks to claim files.
10158         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10159         from a real object file; force override when processing replacement
10160         files.
10161         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10162         (Symbol::init_base_object): Likewise.
10163         (Symbol::init_base_output_data): Likewise.
10164         (Symbol::init_base_output_segment): Likewise.
10165         (Symbol::init_base_constant): Likewise.
10166         (Symbol::init_base_undefined): Likewise.
10167         (Symbol::output_section): Assert that object is not a plugin.
10168         (Symbol_table::add_from_pluginobj): New function.
10169         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10170         undefined.
10171         (Symbol_table::sized_write_globals): Likewise.
10172         (Symbol_table::add_from_pluginobj): Instantiate template.
10173         * symtab.h (Sized_pluginobj): Declare.
10174         (Symbol::in_real_elf): New function.
10175         (Symbol::set_in_real_elf): New function.
10176         (Symbol::in_real_elf_): New field.
10177         (Symbol_table::add_from_pluginobj): New function.
10178
10179         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10180         (LIBDL): New variable.
10181         (LDADD): Add LIBDL.
10182         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10183         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10184         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10185         (MOSTLYCLEANFILES): Likewise.
10186         * testsuite/Makefile.in: Regenerate.
10187         * testsuite/plugin_test.c: New file.
10188         * testsuite/plugin_test_1.sh: New file.
10189         * testsuite/plugin_test_2.sh: New file.
10190
10191 2008-09-16  Ian Lance Taylor  <iant@google.com>
10192
10193         * target-reloc.h (relocate_section): Check whether a symbol is
10194         defined by the ABI before reporting an undefined symbol error.
10195         * target.h (Target::is_defined_by_abi): Make parameter const.
10196         (Target::do_is_defined_by_abi): Likewise.
10197         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10198         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10199         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10200         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10201         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10202         * testsuite/Makefile.in: Rebuild.
10203
10204         * fileread.cc (make_view): Add casts to avoid warning.
10205
10206 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10207
10208         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10209         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10210
10211 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10212
10213         * options.h (General_options::output_is_executable): New.
10214         (General_options::output_is_pie): New.
10215         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10216         for shared libraries.
10217         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10218
10219 2008-09-11  Chris Demetriou  <cgd@google.com>
10220
10221         * options.h (origin): New -z option.
10222         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10223         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10224         in DT_FLAGS_1.
10225
10226 2008-09-05  Cary Coutant  <ccoutant@google.com>
10227
10228         * fileread.cc (File_read::make_view): Add check for attempt to map
10229         beyond end of file.
10230
10231 2008-09-05  Cary Coutant  <ccoutant@google.com>
10232
10233         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10234         explicit instantiations.
10235
10236 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10237
10238         PR gold/6858
10239         * options.cc (General_options::finalize): Allow undefined symbols
10240         in shlibs if linking -shared.
10241
10242         PR gold/6859
10243         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10244         symbols as not needing a dynsym entry.
10245
10246 2008-08-20  Craig Silverstein  <csilvers@google.com>
10247
10248         * fileread.cc (File_read::open): Do not lock the file unless it
10249         was successfully opened.
10250
10251 2008-08-14  Cary Coutant  <ccoutant@google.com>
10252
10253         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10254         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10255         * testsuite/tls_test.cc (struct int128): 128-bit struct
10256         for testing TLS relocs with non-zero addend.
10257         (v12): New TLS variable.
10258         (t12): New test.
10259         (t_last): Add check for v12.
10260         * testsuite/tls_test.h (t12): New function.
10261         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10262
10263 2008-08-13  Ian Lance Taylor  <iant@google.com>
10264
10265         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10266         set tls_segment_ or relro_segment_.
10267         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10268         when appropriate.
10269         * output.h (Output_section::clear_is_relro): New function.
10270         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10271         sections specially even when output_data_ is empty.
10272         (Output_segment::maximum_alignment): When first section is relro,
10273         only force alignment for PT_LOAD segments.
10274         * script.cc (script_data_segment_align): New function.
10275         (script_data_segment_relro_end): New function.
10276         * script-c.h (script_data_segment_align): Declare.
10277         (script_data_segment_relro_end): Declare.
10278         * script-sections.h (class Script_sections): Declare
10279         data_segment_align and data_segment_relro_end.  Add fields
10280         segment_align_index_ and saw_relro_end_.
10281         * script-sections.cc (class Sections_element): Add set_is_relro
10282         virtual function.  Add new bool* parameter to place_orphan_here.
10283         Add get_output_section virtual function.
10284         (class Output_section_definition): Add set_is_relro.  Add new
10285         bool* parameter to place_orphan_here.  Add get_output_section.
10286         Add is_relro_ field.
10287         (Output_section_definition::Output_section_definition): Initialize
10288         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10289         and is_relro_ fields.
10290         (Output_section_definition::place_orphan_here): Add is_relro
10291         parameter.
10292         (Output_section_definition::set_section_addresses): Set relro for
10293         output section.
10294         (Output_section_definition::alternate_constraint): Likewise.
10295         (class Orphan_output_section): Add new bool* parameter to
10296         place_orphan_here.  Add get_output_section.
10297         (Orphan_output_section::place_orphan_here): Add is_relro
10298         parameter.
10299         (Script_sections::Script_sections): Initialize
10300         data_segment_align_index_ and saw_relro_end_.
10301         (Script_sections::data_segment_align): New function.
10302         (Script_sections::data_segment_relro_end): New function.
10303         (Script_sections::place_orphan): Set or clear is_relro.
10304         (Script_sections::set_section_addresses): Force alignment of first
10305         TLS section.
10306         * yyscript.y (exp): Call script_data_segment_align and
10307         script_data_segment_relro_end.
10308         * testsuite/relro_script_test.t: New file.
10309         * testsuite/relro_test.cc (using_script): Declare.
10310         (t1, t2): Test using_script.
10311         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10312         (relro_script_test_SOURCES): Define.
10313         (relro_script_test_DEPENDENCIES): Define.
10314         (relro_script_test_LDFLAGS): Define.
10315         (relro_script_test_LDADD): Define.
10316         (relro_script_test.so): New target.
10317         * testsuite/Makefile.in: Rebuild.
10318
10319 2008-08-06  Cary Coutant <ccoutant@google.com>
10320
10321         * archive.cc (Archive::total_archives, Archive::total_members)
10322         (Archive::total_members_loaded): New variables.
10323         (Archive::setup): Add parameter.  Add option to preread
10324         archive symbols.
10325         (Archive::read_armap): Add counter.
10326         (Archive::get_file_and_offset): New function.
10327         (Archive::get_elf_object_for_member): New function.
10328         (Archive::read_all_symbols): New function.
10329         (Archive::read_symbols): New function.
10330         (Archive::add_symbols): Add counters.
10331         (Archive::include_all_members): Use armap to find members if it's
10332         already built.
10333         (Archive::include_member): Skip reading symbols if already read.
10334         Factored code into Archive::get_file_and_offset and
10335         Archive::get_elf_object_for_member.  Changed call to
10336         Mapfile::report_include_archive_member.
10337         (Archive::print_stats): New function.
10338         * archive.h: Declare Object and Read_symbols_data classes.
10339         (Archive::Archive): Add initializers for new members.
10340         (Archive::setup): Add parameter.
10341         (Archive::print_stats): New function.
10342         (Archive::total_archives, Archive::total_members)
10343         (Archive::total_members_loaded): New variables.
10344         (Archive::get_file_and_offset): New function.
10345         (Archive::get_elf_object_for_member): New function.
10346         (Archive::read_all_symbols): New function.
10347         (Archive::read_symbols): New function.
10348         (Archive::Archive_member): New class.
10349         (Archive::members_): New member.
10350         (Archive::num_members_): New member.
10351         * main.cc: Include archive.h.
10352         (main): Call Archive::print_stats.
10353         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10354         archive parameter; member_name is now the fully-decorated name.
10355         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10356         * options.h: (General_options): Add --preread-archive-symbols option.
10357         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10358         Archive::setup.
10359
10360 2008-08-04  Ian Lance Taylor  <iant@google.com>
10361
10362         * symtab.h (Symbol::use_plt_offset): New function.
10363         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10364         * powerpc.cc (Relocate::relocate): Likewise.
10365         * sparc.cc (Relocate::relocate): Likewise.
10366         * x86_64.cc (Relocate::relocate): Likewise.
10367         * testsuite/weak_plt.sh: New test.
10368         * testsuite/weak_plt_main.cc: New test.
10369         * testsuite/weak_plt_shared.cc: New test.
10370         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10371         (check_PROGRAMS): Add weak_plt.
10372         (check_DATA): Add weak_plt_shared.so.
10373         (weak_plt_main_pic.o, weak_plt): New targets.
10374         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10375         * testsuite/Makefile.in: Rebuild.
10376
10377         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10378         gcctestdir/ld.
10379         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10380         * testsuite/Makefile.in: Rebuild.
10381
10382 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10383
10384         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10385         * Makefile.in: Regenerate.
10386         * po/POTFILES.in: Regenerate.
10387
10388 2008-07-29  Ian Lance Taylor  <iant@google.com>
10389
10390         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10391         symbols before other symbols.
10392         * testsuite/script_test_2.cc (test_addr): Declare.
10393         (test_addr_alias): Declare.
10394         (main): Check that test_addr and test_addr_alias have the right
10395         values.
10396         * testsuite/script_test_2.t: Define test_addr_alias and
10397         test_addr.
10398
10399 2008-07-24  Ian Lance Taylor  <iant@google.com>
10400
10401         PR 5990
10402         * descriptors.cc: New file.
10403         * descriptors.h: New file.
10404         * gold-threads.h (class Hold_optional_lock): New class.
10405         * fileread.cc: Include "descriptors.h".
10406         (File_read::~File_read): Release descriptor rather than closing
10407         it.
10408         (File_read::open) [file]: Call open_descriptor rather than open.
10409         Set is_descriptor_opened_.
10410         (File_read::open) [memory]: Assert that descriptor is not open.
10411         (File_read::reopen_descriptor): New function.
10412         (File_read::release): Release descriptor.
10413         (File_read::do_read): Make non-const.  Reopen descriptor.
10414         (File_read::read): Make non-const.
10415         (File_read::make_view): Reopen descriptor.
10416         (File_read::do_readv): Likewise.
10417         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10418         Update declarations.
10419         * layout.cc: Include "descriptors.h".
10420         (Layout::create_build_id): Use open_descriptor rather than open.
10421         * output.cc: Include "descriptors.h".
10422         (Output_file::open): Use open_descriptor rather than open.
10423         * archive.cc (Archive::const_iterator): Change Archive to be
10424         non-const.
10425         (Archive::begin, Archive::end): Make non-const.
10426         (Archive::count_members): Likewise.
10427         * archive.h (class Archive): Update declarations.
10428         * object.h (Object::read): Make non-const.
10429         * Makefile.am (CCFILES): Add descriptors.cc.
10430         (HFILES): Add descriptors.h.
10431         * Makefile.in: Rebuild.
10432
10433         PR 6716
10434         * gold.h: Always include <clocale>.  Add Solaris workarounds
10435         following code in binutils/sysdep.h.
10436
10437         PR 6048
10438         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10439         this->eh_frame_hdr_ is NULL before using it.
10440
10441         * dynobj.cc (Versions::Versions): Update comment.
10442
10443         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10444         the base version name.
10445
10446         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10447         array size plus one.
10448         (Stringpool_template::set_string_offsets): Subtract one from key
10449         before using it as an array index.
10450         (Stringpool_template::get_offset_with_length): Likewise.
10451         (Stringpool_template::write_to_buffer): Likewise.
10452         * stringpool.h (Stringpool_template::get_offset_from_key):
10453         Likewise.
10454
10455 2008-07-23  Ian Lance Taylor  <iant@google.com>
10456
10457         PR 6658
10458         * object.h (Merged_symbol_value::value): Do our best to handle a
10459         negative addend.
10460
10461         PR 6647
10462         * script.cc (Version_script_info::get_versions): Don't add empty
10463         version tag to return value.
10464         (Version_script_info::get_symbol_version_helper): Change return
10465         type to bool.  Add pversion parameter.  Change all callers.
10466         (script_register_vers_node): Don't require a non-NULL tag.
10467         * script.h (class Version_script_info): Update declarations.
10468         (Version_script_info::get_symbol_version): Change return type to
10469         bool.  Add version parameter.  Change all callers.
10470         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10471         handling.  Handle an empty version from a version script.
10472         (Symbol_table::define_special_symbol): Likewise.
10473         * testsuite/ver_test_10.script: New file.
10474         * testsuite/ver_test_10.sh: New file.
10475         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10476         (check_DATA): Add ver_test_10.syms.
10477         (ver_test_10.syms, ver_test_10.so): New target.
10478         * testsuite/Makefile.in: Rebuild.
10479
10480 2008-07-23  Simon Baldwin  <simonb@google.com>
10481
10482         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10483         to zero for undefined symbols from dynamic libraries.
10484
10485 2008-07-23  Ian Lance Taylor  <iant@google.com>
10486
10487         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10488         Change all callers.
10489         * symtab.h (class Symbol_table): Update declaration.
10490         * testsuite/ver_test_9.cc: New file.
10491         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10492         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10493         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10494         (ver_test_9.so, ver_test_9.o): New targets.
10495         * testsuite/Makefile.in: Rebuild.
10496
10497 2008-07-22  Ian Lance Taylor  <iant@google.com>
10498
10499         * options.h (class General_options): Define --check-sections.
10500         * layout.cc (Layout::set_segment_offsets): Handle
10501         --check-sections.
10502
10503         * options.h (class General_options): Define -n/--nmagic and
10504         -N/--omagic.
10505         * options.cc (General_options::finalize): For -n/--nmagic or
10506         -N/--omagic, set -static.
10507         * layout.cc (Layout::attach_allocated_section_to_segment): If
10508         -N/--omagic, don't put read-only and read-write sections in
10509         different segments.
10510         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10511         finding a read-only segment.
10512         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10513         don't set the minimum segment alignment to the common page size,
10514         and don't set the file offset to the address modulo the page size.
10515         * script-sections.cc (Script_sections::create_segments): If
10516         -n/--omagic, don't put read-only and read-write sections in
10517         different segments.
10518
10519         * cref.cc: New file.
10520         * cref.h: New file.
10521         * options.h (class General_options): Add --print-symbol-counts.
10522         * main.cc (main): Issue defined symbol report if requested.
10523         * archive.cc (Archive::interpret_header): Make into a const member
10524         function.
10525         (Archive::add_symbols): Call Input_objects::archive_start and
10526         archive_stop.
10527         (Archive::const_iterator): Define new class.
10528         (Archive::begin, Archive::end): New functions.
10529         (Archive::include_all_members): Rewrite to use iterator.
10530         (Archive::count_members): New function.
10531         * archive.h (class Archive): Update declarations.
10532         (Archive::filename): New function.
10533         * object.cc: Include "cref.h".
10534         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10535         (Sized_relobj::do_get_global_symbol_counts): New function.
10536         (Input_objects::add_object): Add object to cross-referencer.
10537         (Input_objects::archive_start): New function.
10538         (Input_objects::archive_stop): New function.
10539         (Input_objects::print_symbol_counts): New function.
10540         * object.h: Declare Cref and Archive.
10541         (Object::get_global_symbol_counts): New function.
10542         (Object::do_get_global_symbol_counts): New pure virtual function.
10543         (class Sized_relobj): Add defined_count_ field.  Update
10544         declarations.
10545         (class Input_objects): Add cref_ field.  Update constructor.
10546         Update declarations.
10547         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10548         defined_count_.
10549         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10550         symbol counts.
10551         (Sized_dynobj::do_get_global_symbol_counts): New function.
10552         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10553         defined_count_.  Update declarations.  Define Symbols typedef.
10554         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10555         parameter.  Change all callers.
10556         (Symbol_table::add_from_dynobj): Add sympointers and defined
10557         parameters.  Change all callers.
10558         * symtab.h (class Symbol_table): Update declarations.
10559         * Makefile.am (CCFILES): Add cref.cc.
10560         (HFILES): Add cref.h.
10561         * Makefile.in: Rebuild.
10562
10563 2008-07-22  Simon Baldwin  <simonb@google.com>
10564
10565         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10566         to zero when writing undefined symbols.
10567
10568 2008-07-22  Ian Lance Taylor  <iant@google.com>
10569
10570         * output.cc (Output_section::add_input_section): Don't try to
10571         merge empty merge sections.
10572
10573 2008-07-21  Craig Silverstein  <csilvers@google.com>
10574
10575         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10576         Include symbol version in error message.
10577
10578 2008-07-20  Chris Demetriou  <cgd@google.com>
10579
10580         * configure.ac (gold_cv_c_random_seed): New configured variable.
10581         (RANDOM_SEED_CFLAGS): New substituted variable.
10582         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10583         * configure: Rebuild.
10584         * Makefile.in: Likewise.
10585         * testsuite/Makefile.in: Likewise.
10586
10587 2008-07-18  Ian Lance Taylor  <iant@google.com>
10588
10589         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10590         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10591         * testsuite/ver_test_main.cc (main): Call t4.
10592         (t4, t4_2a): Define.
10593         * testsuite/ver_test_2.cc (t4_2): Define.
10594         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10595         * testsuite/ver_test_4.cc (t4_2a): Define.
10596         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10597         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10598
10599 2008-07-17  Ian Lance Taylor  <iant@google.com>
10600
10601         * dynobj.cc (Versions::add_def): If we give an error about a
10602         missing version, go ahead and create the version anyhow.
10603
10604 2008-07-10  Ian Lance Taylor  <iant@google.com>
10605
10606         Handle output sections with more than 0x7fffffff bytes.
10607         * object.h (class Relobj): Change map_to_output_ to
10608         output_sections_, and just keep a section pointer.  Change all
10609         uses.  Move comdat group support to Sized_relobj.
10610         (Relobj::is_section_specially_mapped): Remove.
10611         (Relobj::output_section): Remove poff parameter.  Change all
10612         callers.
10613         (Relobj::output_section_offset): New function.
10614         (Relobj::set_section_offset): Rewrite.
10615         (Relobj::map_to_output): Remove.
10616         (Relobj::output_sections): New function.
10617         (Relobj::do_output_section_offset): New pure virtual function.
10618         (Relobj::do_set_section_offset): Likewise.
10619         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10620         group support from Relobj.  Update declarations.
10621         (Sized_relobj::get_output_section_offset): New function.
10622         (Sized_relobj::do_output_section_offset): New function.
10623         (Sized_relobj::do_set_section_offset): New function.
10624         * object.cc (Relobj::output_section_address): Remove.
10625         (Sized_relobj::Sized_relobj): Initialize new fields.
10626         (Sized_relobj::include_section_group): Cast find_kept_object to
10627         Sized_relobj.
10628         (Sized_relobj::include_linkonce_section): Likewise.
10629         (Sized_relobj::do_layout): Use separate arrays for output section
10630         and output offset.
10631         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10632         output_sections.
10633         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10634         output_sections and section_offsets.
10635         (Sized_relobj::write_local_symbols): Likewise.
10636         (map_to_kept_section): Compute output address directly.
10637         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10638         output_sections and section_offsets.
10639         (Sized_relobj::write_sections): Likewise.
10640         (Sized_relobj::relocate_sections): Likewise.
10641         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10642         * output.h (class Output_reloc): Update declarations.  Change
10643         u2_.relobj to Sized_relobj*.
10644         (class Output_data_reloc): Change add functions to use
10645         Sized_relobj*.
10646         * output.cc (Output_reloc::Output_reloc): Change relobj to
10647         Sized_relobj*.
10648         (Output_reloc::local_section_offset): Change return type to
10649         Elf_Addr.  Use get_output_section_offset.
10650         (Output_reloc::get_address): Likewise.
10651         (Output_section::is_input_address_mapped): Don't call
10652         is_section_specially_mapped.
10653         (Output_section::output_offset): Likewise.
10654         (Output_section::output_address): Likewise.
10655         (Output_section::starting_output_address): Likewise.
10656         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10657         parameter to Sized_relobj*.
10658         (Copy_relocs::need_copy_reloc): Likewise.
10659         (Copy_relocs::save): Likewise.
10660         * copy-relocs.h (class Copy_relocs): Update declarations.
10661         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10662         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10663         * target-reloc.h (relocate_for_relocatable): Change
10664         offset_in_output_section type to Elf_Addr.  Change code that uses
10665         it as well.
10666         * layout.cc (Layout::layout): Always set *off.
10667         * mapfile.cc (Mapfile::print_input_section): Use
10668         output_section_offset.
10669         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10670         Sized_relobj*.
10671         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10672         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10673         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10674
10675 2008-07-03  Ian Lance Taylor  <iant@google.com>
10676
10677         * layout.cc (Layout::include_section): Do not discard unrecognized
10678         SHT_STRTAB sections.
10679
10680 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10681
10682         * script.cc (Lex::can_continue_name): Make '?' allowable in
10683         version-script names.
10684         * testsuite/version_script.map: Change glob pattern to use '?'
10685
10686 2008-06-30  Manish Singh  <yosh@gimp.org>
10687
10688         PR 6585
10689         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10690         Correct typo.
10691
10692 2008-06-30  Ian Lance Taylor  <iant@google.com>
10693
10694         PR 6660
10695         PR 6682
10696         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10697         versions]: Don't try to read the value in the contents, since we
10698         don't use it.  Use the template endianness when writing.
10699
10700 2008-06-25  Cary Coutant  <ccoutant@google.com>
10701
10702         * fileread.cc (File_read::make_view): Assert on zero-length view.
10703         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10704         symbol table when there are no symbols to read.
10705
10706 2008-06-23  Craig Silverstein  <csilvers@google.com>
10707
10708         * version.cc (version_string): Bump to 1.7
10709
10710 2008-06-18  Craig Silverstein  <csilvers@google.com>
10711
10712         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10713         constant 0xFFFF to type Valtype.
10714         (Powerpc_relocate_functions::rel16_ha): Likewise.
10715
10716 2008-06-17  Ian Lance Taylor  <iant@google.com>
10717
10718         * output.h (Output_section::Input_section): Initialize p2align_ to
10719         zero for Output_section_data constructors.
10720         (Output_section::Input_section::addralign): If not an input
10721         section, return the alignment of the Output_section_data.
10722         * testsuite/copy_test.cc: New file.
10723         * testsuite/copy_test_1.cc: New file.
10724         * testsuite/copy_test_2.cc: New file.
10725         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10726         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10727         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10728         (copy_test_1_pic.o, copy_test_1.so): New targets.
10729         (copy_test_2_pic.o, copy_test_2.so): New targets.
10730         * testsuite/Makefile.in: Rebuild.
10731
10732         * script-sections.cc (Script_sections::place_orphan): Initialize
10733         local variable exact.
10734
10735 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10736
10737         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10738
10739 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10740             David S. Miller  <davem@davemloft.net>
10741
10742         * powerpc.cc: New file.
10743         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10744         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10745         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10746         * Makefile.in: Rebuild.
10747
10748 2008-06-09  Ian Lance Taylor  <iant@google.com>
10749
10750         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10751         <exception>.
10752         (throwing, orig_terminate): New static variables.
10753         (terminate_handler): New static function.
10754         (t2): Set terminate handler.
10755
10756 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10757
10758         PR 6584
10759         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10760         alignment.
10761
10762 2008-05-30  Cary Coutant  <ccoutant@google.com>
10763
10764         * archive.cc (Archive::include_all_members) Correct to step
10765         over symbol table and extended name table in thin archives.
10766
10767 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10768
10769         PR 6407
10770         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10771         calculation.
10772
10773 2008-05-28  Caleb Howe  <cshowe@google.com>
10774
10775         * reduced_debug_output.cc: New file.
10776         * reduced_debug_output.h: New file.
10777         * options.h (class General_options): Add --strip-debug-non-line.
10778         * options.cc (General_options::finalize): Add strip_debug_non_line
10779         to the strip heirarchy.
10780         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10781         fields.
10782         * layout.cc: Include "reduced_debug_output.h".
10783         (Layout::Layout): Initialize new fields.
10784         (line_only_debug_sections): New static array.
10785         (is_lines_only_debug_sections): New static inline function.
10786         (Layout::include_section): Handle --strip-debug-non-line.
10787         (Layout::make_output_section): If --strip-debug-non-line, build
10788         new output sections for .debug_abbrev and .debug_info.
10789         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10790         gold.  Warn about possible overflow.
10791         (read_signed_LEB_128): Likewise.
10792         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10793         (read_signed_LEB_128): Declare.
10794         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10795         (HFILES): Add reduced_debug_output.h.
10796         * Makefile.in: Rebuild.
10797
10798 2008-05-21  Ian Lance Taylor  <iant@google.com>
10799
10800         * mapfile.cc: New file.
10801         * mapfile.h: New file.
10802         * options.h (class General_options): Add -M/--print-map and -Map.
10803         * options.cc (General_options::finalize): Make -M equivalent to
10804         -Map -.
10805         * main.cc: Include <cstdio> and "mapfile.h".
10806         (main): Open mapfile if requested.
10807         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10808         constructor.  Change caller.
10809         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10810         (queue_middle_tasks): Likewise.
10811         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10812         declarations.
10813         * archive.cc: Include "mapfile.h".
10814         (Archive::add_symbols): Add mapfile parameter.  Change all
10815         callers.  Pass mapfile, symbol, and reason to include_member.
10816         (Archive::include_all_members): Add mapfile parameter.  Change all
10817         callers.
10818         (Archive::include_member): Add mapfile, sym, and why parameters.
10819         Change all callers.  Report inclusion to map file.
10820         * archive.h: Include "fileread.h".
10821         (class Archive): Update declarations.
10822         (Archive::file): New const method.
10823         (class Add_archive_symbols): Add mapfile_ field.  Update
10824         constructor.  Change all callers.
10825         * readsyms.h (class Read_symbols): Likewise.
10826         (class Finish_group): Likewise.
10827         (class Read_script): Likewise.
10828         * common.cc: Include "mapfile.h".
10829         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10830         all callers.
10831         (Symbol_table::do_allocate_commons): Likewise.
10832         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10833         symbol allocation to mapfile.
10834         * common.h (class Allocate_commons_task): Add mapfile_ field.
10835         Update constructor.  Change all callers.
10836         * symtab.h (class Symbol_table): Update declarations.
10837         * layout.cc: Include "mapfile.h".
10838         (Layout_task_runner::run): Print information to mapfile.
10839         (Layout::create_gold_note): Change Output_data_fixed_space to
10840         Output_data_zero_fill.
10841         (Layout::create_build_id): Likewise.
10842         (Layout::print_to_mapfile): New function.
10843         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10844         constructor.  Change caller.
10845         (class Layout): Declare print_to_mapfile.
10846         * output.cc (Output_section::Input_section::print_to_mapfile): New
10847         function.
10848         (Output_section::add_input_section): If producing a map, always
10849         add to input_sections_ list.
10850         (Output_section::do_print_to_mapfile): New function.
10851         (Output_segment::print_sections_to_mapfile): New function.
10852         (Output_segment::print_section_list_to_mapfile): New function.
10853         * output.h: Include "mapfile.h".
10854         (Output_data::print_to_mapfile): New function.
10855         (Output_data::do_print_to_mapfile): New virtual function.
10856         (Output_segment_headers::do_print_to_mapfile): New function.
10857         (Output_file_header::do_print_to_mapfile): New function.
10858         (Output_data_const::do_print_to_mapfile): New function.
10859         (class Output_data_const_buffer): Add map_name_ field.  Update
10860         constructor.  Change all callers.  Add do_print_to_mapfile
10861         function.
10862         (class Output_data_fixed_space): Likewise.
10863         (class Output_data_space): Likewise.
10864         (class Output_data_zero_fill): New class.
10865         (Output_data_strtab::do_print_to_mapfile): New function.
10866         (Output_data_reloc_base::do_print_to_mapfile): New function.
10867         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10868         (Output_data_group::do_print_to_mapfile): New function.
10869         (Output_data_got::do_print_to_mapfile): New function.
10870         (Output_data_dynamic::do_print_to_mapfile): New function.
10871         (Output_symtab_xindex::do_print_to_mapfile): New function.
10872         (class Output_section): Declare do_print_to_mapflie.  Declare
10873         print_to_mapfile in Input_section.
10874         (class Output_segment): Declare new functions.
10875         * object.h (Sized_relobj::symbol_count): New function.
10876         * script-sections.cc
10877         (Output_section_element_dot_assignment::set_section_addresses):
10878         Change Output_data_fixed_space to Output_data_zero_fill.
10879         (Output_data_expression::do_print_to_mapfile): New function.
10880         * script.cc (read_input_script): Add mapfile parameter.  Change
10881         all callers.
10882         * script.h (read_input_script): Update declaration.
10883         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10884         (Eh_frame::do_print_to_mapfile): New function.
10885         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10886         (Output_merge_string::do_print_to_mapfile): New function.
10887         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10888         function.
10889         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10890         function.
10891         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10892         function.
10893         * Makefile.am (CCFILES): Add mapfile.cc.
10894         (HFILES): Add mapfile.h.
10895         * Makefile.in: Rebuild.
10896
10897 2008-05-19  Ian Lance Taylor  <iant@google.com>
10898
10899         * options.h (class General_options): Add -z relro.
10900         * layout.cc (Layout::Layout): Initialize relro_segment_.
10901         (Layout::add_output_section_data): Return the output section.
10902         (Layout::make_output_section): Rcognize relro sections and mark
10903         them appropriately.
10904         (Layout::attach_allocated_section_to_segment): Put relro sections
10905         in a PT_GNU_RELRO segment.
10906         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10907         section as relro.
10908         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10909         PT_TLS segments.
10910         (Layout::linkonce_mapping): Map d.rel.ro.local to
10911         .data.rel.ro.local.
10912         (Layout::output_section_name): Us .data.rel.ro.local for any
10913         section which begins with that.
10914         * layout.h (class Layout): Update add_output_section_data
10915         declaration.  Add relro_segment_ field.
10916         * output.cc (Output_section::Output_section): Initialize is_relro_
10917         and is_relro_local_ fields.
10918         (Output_segment::add_output_section): Group relro sections.
10919         (Output_segment::is_first_section_relro): New function.
10920         (Output_segment::maximum_alignment): If there is a relro section,
10921         align the segment to the common page size.
10922         (Output_segment::set_section_addresses): Track whether we are
10923         looking at relro sections.  If the last section is a relro
10924         section, align to the common page size.
10925         (Output_segment::set_section_list_addresses): Add in_relro
10926         parameter.  Change all callers.  Align to the page size when
10927         moving from relro to non-relro section.
10928         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10929         segment.
10930         * output.h (class Output_section): Add is_relro_ and
10931         is_relro_local_ fields.
10932         (Output_section::is_relro): New function.
10933         (Output_section::set_is_relro): New function.
10934         (Output_section::is_relro_local): New function.
10935         (Output_section::set_is_relro_local): New function.
10936         (class Output_segment): Update declarations.
10937         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10938         * sparc.cc (Target_sparc::got_section): Likewise.
10939         * x86_64.cc (Target_x86_64::got_section): Likewise.
10940         * testsuite/relro_test_main.cc: New file.
10941         * testsuite/relro_test.cc: New file.
10942         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10943         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10944         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10945         (relro_test.so, relro_test_pic.o): New targets.
10946         * testsuite/Makefile.in: Rebuild.
10947
10948 2008-05-16  Ian Lance Taylor  <iant@google.com>
10949
10950         * output.cc (Output_segment::add_output_section): Remove front
10951         parameter.
10952         * output.h (class Output_segment): Remove
10953         add_initial_output_section and overloaded add_output_section.
10954         Update declaration of remaining add_output_section.
10955         * layout.cc (Layout::create_interp): Call add_output_section
10956         rather than add_initial_output_section.
10957         (Layout::finish_dynamic_section): Likewise.
10958
10959         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10960         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10961         know the dynamic type.
10962         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10963         field.  Initialize it in constructor.
10964         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10965         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10966         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10967         reloc.
10968
10969         * output.cc (Output_reloc::get_address): Change return type to
10970         Elf_Addr.
10971         * output.h (class Output_reloc): Update get_address declaration.
10972         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10973         for section addresses.
10974
10975 2008-05-09  Ian Lance Taylor  <iant@google.com>
10976
10977         PR 6493
10978         * gold.cc (gold_nomem): Use return value of write.
10979
10980 2008-05-08  Ian Lance Taylor  <iant@google.com>
10981
10982         * symtab.c (Symbol::init_base_output_data): Add version
10983         parameter.  Change all callers.
10984         (Symbol::init_base_output_segment): Likewise.
10985         (Symbol::init_base_constant): Likewise.
10986         (Symbol::init_base_undefined): Likewise.
10987         (Sized_symbol::init_output_data): Likewise.
10988         (Sized_symbol::init_output_segment): Likewise.
10989         (Sized_symbol::init_constant): Likewise.
10990         (Sized_symbol::init_undefined): Likewise.
10991         (Symbol_table::do_define_in_output_data): If the new symbol has a
10992         version, mark it as the default.
10993         (Symbol_table::do_define_in_output_segment): Likewise.
10994         (Symbol_table::do_define_as_constant): Likewise.
10995         * symtab.h (class Symbol): Update declarations.
10996         (class Sized_symbol): Likewise.
10997         * resolve.cc (Symbol::override_version): New function.
10998         (Symbol::override_base): Call override_version.
10999         (Symbol::override_base_with_special): Likewise.
11000         * testsuite/ver_script_8.script: New file.
11001         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11002         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11003         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11004         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11005
11006 2008-05-06  Ian Lance Taylor  <iant@google.com>
11007
11008         PR 6049
11009         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11010         functions.
11011         (class General_options): Remove existing --undefined, and add
11012         --no-undefined instead.  Add new --undefined as synonym for -u.
11013         * archive.cc (Archive::add_symbols): Check whether symbol was
11014         named with -u.
11015         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11016         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11017         all uses.  Add IS_UNDEFINED.  Update declarations to split
11018         different versions of init_base.  Declare init_base_undefined.
11019         (Symbol::is_defined): Handle IS_UNDEFINED.
11020         (Symbol::is_undefined): Likewise.
11021         (Symbol::is_weak_undefined): Call is_undefined.
11022         (Symbol::is_absolute): Handle IS_CONSTANT.
11023         (class Sized_symbol): Update declarations to split different
11024         versions of init.  Declare init_undefined.
11025         (class Symbol_table): Declare new functions.
11026         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11027         Change all callers.
11028         (Symbol::init_base_output_data): Likewise.
11029         (Symbol::init_base_output_segment): Likewise.
11030         (Symbol::init_base_constant): Likewise.
11031         (Symbol::init_base_undefined): New function.
11032         (Sized_symbol::init_object): Rename from init.  Change all
11033         callers.
11034         (Sized_symbol::init_output_data): Likewise.
11035         (Sized_symbol::init_output_segment): Likewise.
11036         (Sized_symbol::init_constant): Likewise.
11037         (Sized_symbol::init_undefined): New function.
11038         (Symbol_table::add_undefined_symbols_from_command_line): New
11039         function.
11040         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11041         function.
11042         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11043         (Symbol::output_section): Likewise.
11044         (Symbol::set_output_section): Likewise.
11045         (Symbol_table::sized_finalize_symbol): Likewise.
11046         (Symbol_table::sized_write_globals): Likewise.
11047         * resolve.cc (Symbol_table::should_override): Likewise.
11048         (Symbol::override_base_with_special): Likewise.
11049
11050         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11051         symbol, change it to have default visibility.
11052         * testsuite/protected_1.cc: New file.
11053         * testsuite/protected_2.cc: New file.
11054         * testsuite/protected_3.cc: New file.
11055         * testsuite/protected_main_1.cc: New file.
11056         * testsuite/protected_main_2.cc: New file.
11057         * testsuite/protected_main_3.cc: New file.
11058         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11059         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11060         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11061         (protected_1.so): New target.
11062         (protected_1_pic.o, protected_2_pic.o): New targets.
11063         (protected_3_pic.o): New target.
11064         (check_PROGRAMS): Add protected_2.
11065         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11066         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11067         * testsuite/Makefile.in: Rebuild.
11068
11069         * options.h (DEFINE_var): Add set_user_set_##varname__.
11070         (DEFINE_bool_alias): New macro.
11071         (class General_options): Define -Bstatic using DEFINE_bool_alias
11072         rather than DEFINE_special.  Add --undefined as an alias for -z
11073         defs.
11074         * options.cc (General_options::parse_Bstatic): Remove.
11075
11076         * options.h (class General_options): Add --fatal-warnings.
11077         * main.cc (main): Implement --fatal-warnings.
11078         * errors.h (Errors::warning_count): New function.
11079
11080         * options.h (class General_options): Add -Bsymbolic-functions.
11081         * symtab.h (Symbol::is_preemptible): Check for
11082         -Bsymbolic-functions.
11083
11084 2008-05-05  Ian Lance Taylor  <iant@google.com>
11085
11086         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11087         as noVARNAME rather than no-VARNAME.
11088         (class General_options): Add option -z combreloc.
11089         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11090         get_address.
11091         (Output_reloc::sort_before) [SHT_REL]: New function.
11092         (Output_reloc::sort_before) [SHT_RELA]: New function.
11093         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11094         Sort_relocs_comparison.
11095         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11096         parameter.  Change all callers.
11097         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11098         sort_relocs parameter.  Change all callers.
11099         * output.cc (Output_reloc::get_address): New function, broken out
11100         of write_rel.
11101         (Output_reloc::write_rel): Call it.
11102         (Output_reloc::compare): New function.
11103         (Output_data_reloc_base::do_write): Optionally sort relocs.
11104
11105         * configure.ac: If targ_extra_obj is set, link it in.
11106         * configure.tgt: Initialize all variables.
11107         (x86_64*): Set targ_extra_obj and targ_extra_size.
11108         * configure: Rebuild.
11109
11110         * object.cc (Sized_relobj::include_section_group): Adjust section
11111         indexes read from group data.  Build vector to pass to
11112         layout_group.
11113         * layout.cc (Layout::layout_group): Add flags and shndxes
11114         parameters.  Remove contents parameter.  Change caller.  Update
11115         explicit instantiations.
11116         * layout.h (class Layout): Update layout_group declaration.
11117         * output.cc (Output_data_group::Output_data_group): Add flags and
11118         input_shndxes parameters.  Remove contents parameter.  Change
11119         caller.
11120         (Output_data_group::do_write): Change input_sections_ to
11121         input_shndxes_.
11122         * output.h (class Output_data_group): Update constructor
11123         declaration.  Rename input_sections_ to input_shndxes_.
11124         * testsuite/many_sections_test.cc: Add template.
11125
11126 2008-04-30  Cary Coutant  <ccoutant@google.com>
11127
11128         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11129
11130         * layout.cc (Layout::include_section): Refactored check for debug
11131         info section.
11132         (Layout::add_comdat): Add new parameters.  Change type
11133         of signature parameter.  Add object and shndx to signatures table.
11134         (Layout::find_kept_object): New function.
11135         * layout.h: Include <cstring>.
11136         (Layout::is_debug_info_section): New function.
11137         (Layout::add_comdat): Add new parameters.
11138         (Layout::find_kept_object): New function.
11139         (Layout::Kept_section): New struct.
11140         (Layout::Signatures): Change type of map range.
11141         * object.cc (Relobj::output_section_address): New function.
11142         (Sized_relobj::include_section_group): Add new parameters.  Change
11143         calls to Layout::add_comdat.  Change to build table of kept comdat
11144         groups and table mapping discarded sections to kept sections.
11145         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11146         (Sized_relobj::do_layout): Change calls to include_section_group and
11147         include_linkonce_section.
11148         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11149         value to zero when section is discarded.
11150         (Sized_relobj::map_to_kept_section): New function.
11151         * object.h (Relobj::output_section_address): New function.
11152         (Relobj::Comdat_group): New type.
11153         (Relobj::find_comdat_group): New function.
11154         (Relobj::Comdat_group_table): New type.
11155         (Relobj::Kept_comdat_section): New type.
11156         (Relobj::Kept_comdat_section_table): New type.
11157         (Relobj::add_comdat_group): New function.
11158         (Relobj::set_kept_comdat_section): New function.
11159         (Relobj::get_kept_comdat_section): New function.
11160         (Relobj::comdat_groups_): New field.
11161         (Relobj::kept_comdat_sections_): New field.
11162         (Symbol_value::input_value): Update comment.
11163         (Sized_relobj::map_to_kept_section) New function.
11164         (Sized_relobj::include_linkonce_section): Add new parameter.
11165         * target-reloc.h (Comdat_behavior): New type.
11166         (get_comdat_behavior): New function.
11167         (relocate_section): Add code to map a discarded section to the
11168         corresponding kept section when applying a relocation.
11169
11170 2008-04-30  Craig Silverstein  <csilvers@google.com>
11171
11172         * dwarf_reader.cc (next_generation_count): New static var.
11173         (Addr2line_cache_entry): New struct.
11174         (addr2line_cache): New static var.
11175         (Dwarf_line_info::one_addr2line): Added caching.
11176         (Dwarf_line_info::clear_addr2line_cache): New function.
11177         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11178         cache-size parameter.
11179         (Dwarf_line_info::one_addr2line_cache): New function.
11180         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11181         new cache-size argument to one_addr2line(), and clear cache.
11182
11183 2008-04-28  Cary Coutant  <ccoutant@google.com>
11184
11185         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11186         R_386_PC8 relocations.
11187
11188 2008-04-23  Ian Lance Taylor  <iant@google.com>
11189
11190         * object.cc (Sized_relobj::include_section_group): Check for
11191         invalid section group.
11192
11193         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11194         header size.
11195
11196         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11197         than read for file header.
11198         * archive.cc (Archive::include_member): Likewise.
11199
11200 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11201
11202         * aclocal.m4: Regenerate.
11203         * configure: Regenerate.
11204
11205 2008-04-19  Ian Lance Taylor  <iant@google.com>
11206
11207         * version.cc (version_string): Bump to 1.6.
11208
11209         * testsuite/Makefile.am (many_sections_r_test): New target.
11210         (many_sections_r_test_SOURCES): Remove.
11211         (many_sections_r_test_DEPENDENCIES): Remove.
11212         (many_sections_r_test_LDFLAGS): Remove.
11213         (many_sections_r_test_LDADD): Remove.
11214
11215         * object.cc (Sized_relobj::do_add_symbols): Always pass
11216         local_symbol_count_ to add_from_relobj.
11217
11218         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11219         every thousand variables.
11220         * testsuite/Makefile.in: Rebuild.
11221
11222         * object.cc (Xindex::initialize_symtab_xindex): New function.
11223         (Xindex::read_symtab_xindex): New function.
11224         (Xindex::sym_xindex_to_shndx): New function.
11225         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11226         available.
11227         (Sized_relobj::do_initialize_xindex): New function.
11228         (Sized_relobj::do_read_symbols): Adjust section links.
11229         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11230         parameter.  Change all callers.
11231         (Sized_relobj::include_section_group): Adjust section links and
11232         symbol section indexes.
11233         (Sized_relobj::do_layout): Adjust section links.
11234         (Sized_relobj::do_count_local_symbols): Adjust section links and
11235         symbol section indexes.
11236         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11237         ordinary and special symbols.
11238         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11239         dynsym_xindex parameters.  Change all callers.  Adjust section
11240         links.  Use SHN_XINDEX when needed.
11241         (Sized_relobj::get_symbol_location_info): Adjust section links.
11242         Don't get fooled by special symbols.
11243         * object.h (class Xindex): Define.
11244         (class Object): Add xindex_ parameter.  Declare virtual functoin
11245         do_initialize_xindex.
11246         (Object::adjust_sym_shndx): New function.
11247         (Object::set_xindex): New protected function.
11248         (class Symbol_value): Add is_ordinary_shndx_ field.
11249         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11250         (Symbol_value::value): Assert ordinary section.
11251         (Symbol_value::initialize_input_to_output_map): Likewise.
11252         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11253         Change all callers.
11254         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11255         all callers.
11256         (class Sized_relobj): Update declarations.
11257         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11258         parameter.  Change all callers.
11259         (Sized_relobj::adjust_shndx): New function.
11260         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11261         field.
11262         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11263         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11264         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11265         (Sized_dynobj::read_dynsym_section): Adjust section links.
11266         (Sized_dynobj::read_dynamic): Likewise.
11267         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11268         section links.
11269         (Sized_dynobj::do_initialize_xindex): New function.
11270         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11271         do_initialize_xindex.
11272         (Sized_dynobj::adjust_shndx): New function.
11273         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11274         dynsym_xindex_ fields.
11275         (Layout::finalize): Add a call to set_section_indexes before
11276         creating the symtab sections.
11277         (Layout::set_section_indexes): Don't do anything if the section
11278         already has a section index.
11279         (Layout::create_symtab_sections): Add shnum parameter.  Change
11280         caller.  Create .symtab_shndx section if needed.
11281         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11282         caller.
11283         (Layout::allocated_output_section_count): New function.
11284         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11285         needed.
11286         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11287         fields.  Update declarations.
11288         (Layout::symtab_xindex): New function.
11289         (Layout::dynsym_xindex): New function.
11290         (class Write_symbols_task): Add layout_ field.
11291         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11292         Change caller.
11293         * output.cc (Output_section_headers::Output_section_headers): Add
11294         shstrtab_section parameter.  Change all callers.
11295         (Output_section_headers::do_sized_write): Store overflow values
11296         for section count and section string table section index in
11297         section header zero.
11298         (Output_file_header::do_sized_write): Check for overflow of
11299         section count and section string table section index.
11300         (Output_symtab_xindex::do_write): New function.
11301         (Output_symtab_xindex::endian_do_write): New function.
11302         * output.h (class Output_section_headers): Add shstrtab_section_.
11303         Update declarations.
11304         (class Output_symtab_xindex): Define.
11305         (Output_section::has_out_shndx): New function.
11306         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11307         field.
11308         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11309         Change all callers.
11310         (Sized_symbol::init): Likewise.
11311         (Symbol::output_section): Check for ordinary symbol.
11312         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11313         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11314         callers.
11315         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11316         Change all callers.  Simplify handling of symbols from sections
11317         not included in the link.
11318         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11319         distinction.
11320         (Weak_alias_sorter::operator()): Assert that symbols are
11321         ordinary.
11322         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11323         distinction.
11324         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11325         parameters.  Change all callers.
11326         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11327         symbol distinction.  Use SHN_XINDEX when needed.
11328         (Symbol_table::write_section_symbol): Add symtab_xindex
11329         parameter.  Change all callers.
11330         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11331         SHN_XINDEX when needed.
11332         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11333         declarations.
11334         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11335         (Symbol::is_defined): Check is_ordinary.
11336         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11337         (Symbol::is_absolute, Symbol::is_common): Likewise.
11338         (class Sized_symbol): Update declarations.
11339         (class Symbol_table): Update declarations.
11340         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11341         parameters.  Change all callers.
11342         (Sized_symbol::override): Likewise.
11343         (Symbol_table::override): Likewise.
11344         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11345         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11346         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11347         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11348         to be in an ordinary section.
11349         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11350         object and is_ordinary parameters.  Change all callers.
11351         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11352         Change all callers.  Don't add undefined or non-ordinary symbols
11353         to reloc_map_.
11354         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11355         Change all callers.
11356         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11357         declarations.
11358         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11359         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11360         (Sized_relobj::relocate_sections): Likewise.
11361         * target-reloc.h (scan_relocs): Adjust section symbol index.
11362         (scan_relocatable_relocs): Likewise.
11363         * i386.cc (Scan::local): Check for ordinary symbols.
11364         * sparc.cc (Scan::local): Likewise.
11365         * x86_64.cc (Scan::local): Likewise.
11366         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11367         to symbol_section_and_value.
11368         * testsuite/many_sections_test.cc: New file.
11369         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11370         (check_PROGRAMS): Add many_sections_test.
11371         (many_sections_test_SOURCES): Define.
11372         (many_sections_test_DEPENDENCIES): Define.
11373         (many_sections_test_LDFLAGS): Define.
11374         (BUILT_SOURCES): Add many_sections_define.h.
11375         (many_sections_define.h): New target.
11376         (BUILT_SOURCES): Add many_sections_check.h.
11377         (many_sections_check.h): New target.
11378         (check_PROGRAMS): Add many_sections_r_test.
11379         (many_sections_r_test_SOURCES): Define.
11380         (many_sections_r_test_DEPENDENCIES): Define.
11381         (many_sections_r_test_LDFLAGS): Define.
11382         (many_sections_r_test_LDADD): Define.
11383         (many_sections_r_test.o): New target.
11384         * testsuite/Makefile.in: Rebuild.
11385
11386 2008-04-17  Cary Coutant  <ccoutant@google.com>
11387
11388         * errors.cc (Errors::info): New function.
11389         (gold_info): New function.
11390         * errors.h (Errors::info): New function.
11391         * gold.h (gold_info): New function.
11392         * object.cc (Input_objects::add_object): Print trace output.
11393         * options.cc (options::parse_set): New function.
11394         (General_options::parse_wrap): Deleted.
11395         (General_options::General_options): Deleted initializer.
11396         * options.h (options::String_set): New typedef.
11397         (options::parse_set): New function.
11398         (DEFINE_set): New macro.
11399         (General_options::wrap): Changed to use DEFINE_set. Changed
11400         callers of any_wrap_symbols and is_wrap_symbol.
11401         (General_options::trace, General_options::trace_symbol):
11402         New options.
11403         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11404         (General_options::wrap_symbols_): Deleted.
11405         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11406
11407 2008-04-17  David S. Miller  <davem@davemloft.net>
11408
11409         * options.cc (General_options::parse_V): New function.
11410         * options.h: Add entries for -V and -Qy.
11411
11412 2008-04-17  Ian Lance Taylor  <iant@google.com>
11413
11414         * common.cc (Symbol_table::allocate_commons): Remove options
11415         parameter.  Change caller.
11416         (Symbol_table::do_allocate_commons): Remove options parameter.
11417         Change caller.  Just call do_allocate_commons_list twice.
11418         (Symbol_table::do_allocate_commons_list): New function, broken out
11419         of do_allocate_commons.
11420         * common.h (class Allocate_commons_task): Remove options_ field.
11421         Update constructor.
11422         * symtab.cc (Symbol_table::Symbol_table): Initialize
11423         tls_commons_.
11424         (Symbol_table::add_from_object): Put TLS common symbols on
11425         tls_commons_ list.
11426         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11427         which are IN_OUTPUT_DATA.
11428         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11429         allocate_commons and do_allocate_commons declarations.  Declare
11430         do_allocate_commons_list.
11431         * gold.cc (queue_middle_tasks): Update creation of
11432         Allocate_commons_task to not pass options.
11433         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11434         (TLS_TEST_C_FLAGS): New variable.
11435         (tls_test_c_pic.o): New target.
11436         (tls_test_shared.so): Link in tls_test_c_pic.o.
11437         (tls_test_c_pic_ie.o): New target.
11438         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11439         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11440         (tls_test_c.o): New target.
11441         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11442         (tls_pic_test_LDADD): Likewise.
11443         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11444         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11445         (tls_test_c_gnu2.o): New target.
11446         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11447         tls_test_c_gnu2.o.
11448         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11449         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11450         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11451         * testsuite/tls_test.cc: Include "config.h".
11452         (t_last): Call t11_last.
11453         * testsuite/tls_test.h (t11, t11_last): Declare.
11454         * testsuite/tls_test_c.c: New file.
11455         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11456         * configure.ac: Check for OpenMP support.
11457         * configure, config.in, Makefile.in: Rebuild.
11458         * testsuite/Makefile.in: Rebuild.
11459
11460 2008-04-16  Cary Coutant  <ccoutant@google.com>
11461
11462         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11463         (Target_i386::tls_base_symbol_defined_): New field.
11464         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11465         (Target_i386::Scan::global): Likewise.
11466         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11467         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11468         (Target_x86_64::tls_base_symbol_defined_): New field.
11469         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11470         (Target_x86_64::Scan::global): Likewise.
11471
11472 2008-04-16  Cary Coutant  <ccoutant@google.com>
11473
11474         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11475         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11476         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11477         building shared libraries.
11478         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11479         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11480         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11481         * testsuite/Makefile.in: Rebuild.
11482         * testsuite/weak_undef.h: New file.
11483         * testsuite/weak_undef_file1.cc: Add extra test cases.
11484         * testsuite/weak_undef_file2.cc: Likewise.
11485         * testsuite/weak_undef_test.cc: Likewise.
11486
11487 2008-04-16  David S. Miller  <davem@davemloft.net>
11488
11489         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11490         Add issued_non_pic_error_ field.  Declare check_non_pic.
11491         (Target_sparc::Scan::check_non_pic): New function.
11492         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11493         (Target_sparc::Scan::global): Likewise.
11494
11495         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11496         * configure: Rebuild.
11497
11498         * options.h (DEFINE_enable): New macro.
11499         (new_dtags): New enable option.
11500         (initfirst, interpose, loadfltr, nodefaultlib,
11501         nodelete, nodlopen, nodump): New -z options.
11502         * layout.cc (Layout:finish_dynamic_section): If new
11503         dtags enabled, emit DT_RUNPATH.  Also, emit a
11504         DT_FLAGS_1 containing any specified -z flags.
11505
11506 2008-04-16  Ian Lance Taylor  <iant@google.com>
11507
11508         * copy-relocs.cc: New file.
11509         * copy-relocs.h: New file.
11510         * reloc.cc: Remove Copy_relocs code.
11511         * reloc.h: Likewise.
11512         * reloc-types.h (struct Reloc_types) [both versions]: Add
11513         get_reloc_addend_noerror.
11514         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11515         variants of add_global which take an addend which must be zero.
11516         * i386.cc: Include "copy-relocs.h".
11517         (class Target_i386): Change type of copy_relocs_ to variable,
11518         update initializer.
11519         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11520         Change all callers.
11521         (Target_i386::do_finalize_sections): Change handling of
11522         copy_relocs_.
11523         * sparc.cc: Include "copy-relocs.h".
11524         (class Target_sparc): Change type of copy_relocs_ to variable,
11525         update initializer.
11526         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11527         Change all callers.
11528         (Target_sparc::do_finalize_sections): Change handling of
11529         copy_relocs_.
11530         * x86_64.cc: Include "copy-relocs.h".
11531         (class Target_x86_64): Change type of copy_relocs_ to variable,
11532         update initializer.
11533         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11534         class.  Change all callers.
11535         (Target_x86_64::do_finalize_sections): Change handling of
11536         copy_relocs_.
11537         * Makefile.am (CCFILES): Add copy-relocs.cc.
11538         (HFILES): Add copy-relocs.h.
11539
11540         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11541
11542         * testsuite/script_test_4.sh: Permit leading zeroes.
11543
11544 2008-04-15  Ian Lance Taylor  <iant@google.com>
11545
11546         * script-sections.cc (Script_sections::create_segments): Use
11547         header_size_adjustment even when there is enough room for the
11548         headers.
11549         * testsuite/script_test_4.sh: New file.
11550         * testsuite/script_test_4.t: New file.
11551         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11552         (check_DATA): Add script_test_4.stdout.
11553         (MOSTLYCLEANFILES): Likewise.
11554         (script_test_4): New target.
11555         (script_test_4.stdout): New target.
11556         * testsuite/Makefile.in: Rebuild.
11557
11558         * sparc.cc: Add definitions for Output_data_plt_sparc class
11559         constants.
11560
11561 2008-04-14  David S. Miller  <davem@davemloft.net>
11562
11563         * sparc.cc: New file.
11564         * Makefile.am (TARGETSOURCES): Add sparc.cc
11565         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11566         * configure.tgt: Document targ_extra_size and
11567         targ_extra_big_endian.  Add entries for sparc-* and
11568         sparc64-*.
11569         * configure.ac: Handle targ_extra_size and
11570         targ_extra_big_endian.
11571         * Makefile.in: Rebuild.
11572         * configure: Likewise.
11573         * po/POTFILES.in: Likewise.
11574         * po/gold.pot: Likewise.
11575
11576 2008-04-14  Ian Lance Taylor  <iant@google.com>
11577
11578         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11579         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11580         in the name/type/flags to section mapping.  Don't call
11581         allocate_output_section.
11582         (Layout::choose_output_section): Change parameter from adjust_name
11583         to is_input_section.  Don't permit input sections after sections
11584         are attached to segments.  Don't call allocate_output_section.
11585         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11586         not write_enable_output_section.
11587         (Layout::make_output_section): Don't push to
11588         unattached_section_list_ nor call attach_to_segment.  Call
11589         attach_section_to_segment if sections are attached.
11590         (Layout::attach_sections_to_segments): New function.
11591         (Layout::attach_section_to_segment): New function.
11592         (Layout::attach_allocated_section_to_segment): Rename from
11593         attach_to_segment.  Remove flags parameter.
11594         (Layout::allocate_output_section): Remove function.
11595         (Layout::write_enable_output_section): Remove function.
11596         * layout.h (class Layout): Update for above changes.  Add new
11597         field sections_are_attached_.
11598         * output.h (Output_section::update_flags_for_input_section): New
11599         function.
11600         * output.cc (Output_section::add_input_section): Call
11601         update_flags_for_input_section.
11602         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11603
11604 2008-04-11  Cary Coutant  <ccoutant@google.com>
11605
11606         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11607         thought unnecessary.
11608         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11609
11610 2008-04-11  Ian Lance Taylor  <iant@google.com>
11611
11612         * output.h (class Output_section_data): Remove inline definition
11613         of set_addralign.
11614         * output.cc (Output_section_data::set_addralign): New function.
11615
11616 2008-04-11  Cary Coutant  <ccoutant@google.com>
11617
11618         Add support for TLS descriptors for i386 and x86_64.
11619         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11620         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11621         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11622         GOT_TYPE_TLS_DESC.
11623         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11624         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11625         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11626         relocations.
11627         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11628         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11629         Fix problem with initial-exec relocations.
11630         (Target_i386::Relocate::relocate_tls): Likewise.
11631         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11632         relaxation.
11633         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11634         support for section-plus-offset dynamic table entries.
11635         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11636         (Output_data_dynamic::Dynamic_entry): Add support for
11637         section-plus-offset dynamic table entries.
11638         (Output_data_dynamic::Classification): Likewise.
11639         (Output_data_dynamic::classification_): Renamed offset_.
11640         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11641         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11642         (Target_x86_64::make_plt_section): New function.
11643         (Target_x86_64::reserve_tlsdesc_entries): New function.
11644         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11645         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11646         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11647         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11648         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11649         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11650         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11651         add extra PLT entry for TLS descriptors.
11652         (Output_data_plt_x86_64::got_): New field.
11653         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11654         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11655         fields.
11656         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11657         descriptors.
11658         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11659         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11660         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11661         R_386_TLS_DESC_CALL relocations.
11662         (Target_x86_64::Scan::global): Likewise.
11663         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11664         for TLS descriptors.
11665         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11666         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11667         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11668         GD-to-IE relaxation.
11669         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11670         and TLS_DESCRIPTORS.
11671         * Makefile.in: Rebuild.
11672         * configure: Rebuild.
11673         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11674         (tls_test_shared2.so): New target.
11675         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11676         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11677         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11678         (tls_shared_gd_to_ie_test_LDADD): New variable.
11679         (tls_shared_gnu2_gd_to_ie_test): New target.
11680         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11681         New targets.
11682         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11683         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11684         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11685         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11686         (tls_shared_gnu2_test): New target.
11687         (tls_test_gnu2_shared.so): New target.
11688         (tls_shared_gnu2_test_SOURCES): New variable.
11689         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11690         (tls_shared_gnu2_test_LDFLAGS): New variable.
11691         (tls_shared_gnu2_test_LDADD): New variable.
11692         * testsuite/Makefile.in: Rebuild.
11693         * testsuite/Makefile.
11694
11695 2008-04-11  Ian Lance Taylor  <iant@google.com>
11696
11697         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11698         justsyms.t.
11699         * testsuite/Makefile.in: Rebuild.
11700
11701         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11702         long.
11703         * testsuite/script_test_2.cc (main): Adjust test.
11704
11705 2008-04-11  David S. Miller  <davem@davemloft.net>
11706             Ian Lance Taylor  <iant@google.com>
11707
11708         * options.h (General_options): Add entries for '-Y' and
11709         '-relax'.
11710         * options.cc (General_options:finalize): If -Y was used, add those
11711         entries to the library path instead of the default "/lib" and
11712         "/usr/lib".
11713
11714 2008-04-11  David S. Miller  <davem@davemloft.net>
11715
11716         * testsuite/justsyms.t: Start at 0x100.
11717         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11718         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11719         long.
11720         * testsuite/script_test_2.cc: Adjust string and section length
11721         checks.
11722
11723 2008-04-09  Ian Lance Taylor  <iant@google.com>
11724
11725         PR gold/5996
11726         * script-sections.cc (Sections_element::allocate_to_segment): Add
11727         orphan parameter.
11728         (Output_section_definition::allocate_to_segment): Likewise.
11729         (Orphan_output_section::allocate_to_segment): Likewise.
11730         (Script_sections::attach_sections_using_phdrs_clause): Don't
11731         propagate non-PT_LOAD segments to orphan sections.
11732         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11733         readelf rather than objdump.
11734         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11735         .interp section and PT_INTERP segment are the same size.
11736         * testsuite/Makefile.in: Rebuild.
11737
11738         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11739         aliases for symbols defined in the same object.
11740         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11741         (weak_alias_test_SOURCES): New variable.
11742         (weak_alias_test_DEPENDENCIES): New variable.
11743         (weak_alias_test_LDFLAGS): New variable.
11744         (weak_alias_test_LDADD): New variable.
11745         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11746         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11747         (weak_alias_test_3.o): New target.
11748         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11749         * testsuite/weak_alias_test_main.cc: New file.
11750         * testsuite/weak_alias_test_1.cc: New file.
11751         * testsuite/weak_alias_test_2.cc: New file.
11752         * testsuite/weak_alias_test_3.cc: New file.
11753
11754 2008-04-08  Ian Lance Taylor  <iant@google.com>
11755
11756         * options.h (class General_options): Add --noinhibit-exec option.
11757         * main.cc (main): Check --noinhibit-exec.
11758
11759         * options.h (class General_options): Define --wrap as a special
11760         option.  Add wrap_symbols_ field.
11761         (General_options::any_wrap_symbols): New function.
11762         (General_options::is_wrap_symbol): New function.
11763         * options.cc (General_options::parse_wrap): New function.
11764         (General_options::General_options): Initialize wrap_symbols_.
11765         * symtab.cc (Symbol_table::wrap_symbol): New function.
11766         (Symbol_table::add_from_object): Handle --wrap.
11767         * symtab.h (class Symbol_table): Declare wrap_symbol.
11768         * target.h (Target::wrap_char): New function.
11769         (Target::Target_info): Add wrap_char field.
11770         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11771         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11772         * testsuite/testfile.cc (Target_test::test_target_info):
11773         Likewise.
11774
11775         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11776         there is one.
11777
11778         * layout.h (class Layout): Add added_eh_frame_data_ field.
11779         * layout.cc (Layout::Layout): Initialize new field.
11780         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11781         output section until we find a section we merged successfully.
11782         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11783         that the size be non-zero.
11784
11785         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11786         qualifier.
11787
11788 2008-04-08  Craig Silverstein  <csilvers@google.com>
11789
11790         * configure.ac: Export new conditional variable HAVE_ZLIB.
11791         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11792         on HAVE_ZLIB.
11793         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11794         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11795
11796 2008-04-07  Ian Lance Taylor  <iant@google.com>
11797
11798         * version.cc (version_string): Set to "1.5".
11799
11800         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11801         Add issued_non_pic_error_ field.  Declare check_non_pic.
11802         (Target_x86_64::Scan::check_non_pic): New function.
11803         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11804         (Target_x86_64::Scan::global): Likewise.
11805
11806         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11807         addend parameter.  Change caller.  Handle merge sections.
11808         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11809         Address to Addend.  Don't add in the result of
11810         local_section_offset, pass down the addend and use the returned
11811         value.
11812         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11813         Update declarations of local_section_offset and symbol_value.
11814         * testsuite/two_file_test_1.cc (t18): New function.
11815         * testsuite/two_file_test_2.cc (f18): New function.
11816         * testsuite/two_file_test_main.cc (main): Call t18.
11817         * testsuite/two_file_test.h (t18, f18): Declare.
11818
11819         * configure.ac: Don't test for objdump, c++filt, or readelf.
11820         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11821         conditionals.
11822         (TEST_READELF): New variable.
11823         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11824         (check_PROGRAMS): Add two_file_strip_test.
11825         (two_file_strip_test): New target.
11826         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11827         (two_file_same_shared_strip_test_SOURCES): New variable.
11828         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11829         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11830         (two_file_same_shared_strip_test_LDADD): New variable.
11831         (two_file_shared_strip.so): New target.
11832         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11833         (ver_test_5.syms, ver_test_7.syms): Likewise.
11834         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11835         (strip_test_3.stdout): Use TEST_OBJDUMP.
11836         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11837
11838 2008-04-04  Cary Coutant  <ccoutant@google.com>
11839
11840         * symtab.h (Symbol::is_weak_undefined): New function.
11841         (Symbol::is_strong_undefined): New function.
11842         (Symbol::is_absolute): New function.
11843         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11844         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11845         absolute symbols.
11846         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11847         (weak_undef_test): New target.
11848         * testsuite/Makefile.in: Rebuild.
11849         * testsuite/weak_undef_file1.cc: New file.
11850         * testsuite/weak_undef_file2.cc: New file.
11851         * testsuite/weak_undef_test.cc: New file.
11852
11853 2008-04-03  Craig Silverstein  <csilvers@google.com>
11854
11855         * compressed_output.h (class Output_compressed_section): Use
11856         unsigned buffer.
11857         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11858         add zlib header.
11859         (zlib_compressed_suffix): Removed.
11860         (Output_compressed_section::set_final_data_size): Use unsigned
11861         buffers.
11862         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11863         Fix linker invocation.
11864         (flagstest_o_specialfile_and_compress_debug_sections):
11865         Likewise.
11866         * testsuite/Makefile.in: Regenerated.
11867
11868 2008-04-02  David S. Miller  <davem@davemloft.net>
11869
11870         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11871         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11872
11873 2008-04-02  Craig Silverstein  <csilvers@google.com>
11874
11875         * TODO: New file.
11876
11877 2008-04-02  Ian Lance Taylor  <iant@google.com>
11878
11879         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11880         parameters.  Update for new key type to views_.  Change all
11881         callers.
11882         (File_read::read): Adjust for byteshift in returned view.
11883         (File_read::add_view): New function, broken out of
11884         find_and_make_view.
11885         (File_read::make_view): New function, broken out of
11886         find_and_make_view.
11887         (File_read::find_or_make_view): Add offset and aligned
11888         parameters.  Rewrite accordingly.  Change all callers.
11889         (File_read::get_view): Add offset and aligned parameters.  Adjust
11890         for byteshift in return value.
11891         (File_read::get_lasting_view): Likewise.
11892         * fileread.h (class File_read): Update declarations.
11893         (class File_read::View): Add byteshift_ field.  Add byteshift to
11894         constructor.  Add byteshift method.
11895         * archive.h (Archive::clear_uncached_views): New function.
11896         (Archive::get_view): Add aligned parameter.  Change all callers.
11897         * object.h (Object::get_view): Add aligned parameter.  Change all
11898         callers.
11899         (Object::get_lasting_view): Likewise.
11900
11901         * fileread.cc (File_read::release): Don't call clear_views if
11902         there are multiple objects.
11903         * fileread.h (File_read::clear_uncached_views): New function.
11904         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11905         on the archive.
11906
11907 2008-03-31  Cary Coutant  <ccoutant@google.com>
11908
11909         Add thin archive support.
11910         * archive.cc (Archive::armagt): New const.
11911         (Archive::setup): Remove task parameter and calls to unlock.
11912         (Archive::unlock_nested_archives): New function.
11913         (Archive::read_header): Add nested_off parameter. Change
11914         all callers.
11915         (Archive::interpret_header): Likewise.
11916         (Archive::include_all_members): Change to handle thin
11917         archives.
11918         (Archive::include_member): Likewise.
11919         * archive.h (Archive::Archive): Add new parameters and
11920         initializers.
11921         (Archive::armagt): New const.
11922         (Archive::setup): Remove task parameter.
11923         (Archive::unlock_nested_archives): New function.
11924         (Archive::read_header): Add nested_off parameter.
11925         (Archive::interpret_header): Likewise.
11926         (Archive::Nested_archive_table): New typedef.
11927         (Archive::is_thin_archive_): New field.
11928         (Archive::nested_archives_): New field.
11929         (Archive::options_): New field.
11930         (Archive::dirpath_): New field.
11931         (Archive::task_): New field.
11932         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11933         for thin archives.  Pass additional parameters to
11934         Archive::Archive.  Unlock the archive file after calling
11935         Archive::setup.
11936
11937 2008-03-29  Ian Lance Taylor  <iant@google.com>
11938
11939         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11940         version symbol to be local.
11941         * testsuite/ver_test_4.sh: New file.
11942         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11943         (check_DATA): Add ver_test_4.syms.
11944         (ver_test_4.syms): New target.
11945         * testsuite/Makefile.in: Rebuild.
11946
11947         * output.cc
11948         (Output_section::Input_section_sort_entry::has_priority): New
11949         function.
11950         (Output_section::Input_section_sort_entry::match_file_name): New
11951         function.
11952         (Output_section::Input_section_sort_entry::match_section_name):
11953         Remove.
11954         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11955         Remove.
11956         (Output_section::Input_section_sort_entry::match_section_file):
11957         Remove.
11958         (Output_section::Input_section_sort_compare::operator()): Rewrite
11959         using new Input_section_sort_entry functions.  Sort crtbegin and
11960         crtend first.  Sort sections with no priority before sections with
11961         a priority.
11962         * testsuite/initpri1.c (d3): Check j != 4.
11963         (cd5): New constructor/destructor function.
11964         (main): Check j != 2.
11965
11966         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11967         new symbol when resolving, don't call set_is_default.
11968         * testsuite/ver_test_7.cc: New file.
11969         * testsuite/ver_test_7.sh: New file.
11970         * testsuite/Makefile.am (ver_test_7.so): New target.
11971         (ver_test_7.o): New target.
11972         (check_SCRIPTS): Add ver_test_7.sh.
11973         (check_DATA): Add ver_test_7.syms.
11974         (ver_test_7.syms): New target.
11975
11976 2008-03-28  Ian Lance Taylor  <iant@google.com>
11977
11978         * layout.cc (Layout::layout): If we see an input section with a
11979         name that needs sorting, set the must_sort flag for the output
11980         section.
11981         (Layout::make_output_section): If the name of the output section
11982         indicates that it might require sorting, set the may_sort flag.
11983         * output.h (Output_section::may_sort_attached_input_sections): New
11984         function.
11985         (Output_section::set_may_sort_attached_input_sections): New
11986         function.
11987         (Output_section::must_sort_attached_input_sections): New
11988         function.
11989         (Output_section::set_must_sort_attached_input_sections): New
11990         function.
11991         (class Output_section): Declare Input_section_sort_entry.  Define
11992         Input_section_sort_compare.  Declare
11993         sort_attached_input_sections.  Add new fields:
11994         may_sort_attached_input_sections_,
11995         must_sort_attached_input_sections_,
11996         attached_input_sections_are_sorted_.
11997         * output.cc (Output_section::Output_section): Initialize new
11998         fields.
11999         (Output_section::add_input_section): Add an entry to
12000         input_sections_ if may_sort or must_sort are true.
12001         (Output_section::set_final_data_size): Call
12002         sort_attached_input_sections if necessary.
12003         (Output_section::Input_section_sort_entry): Define new class.
12004         (Output_section::Input_section_sort_compare::operator()): New
12005         function.
12006         (Output_section::sort_attached_input_sections): New function.
12007         * configure.ac: Check whether the compiler supports constructor
12008         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12009         * testsuite/initpri1.c: New file.
12010         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12011         CONSTRUCTOR_PRIORITY.
12012         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12013         (initpri1_LDFLAGS): New variable.
12014         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12015
12016 2008-03-27  Ian Lance Taylor  <iant@google.com>
12017
12018         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12019         * testsuite/common_test_1.c: New file.
12020         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12021         (common_test_1_SOURCES): New variable.
12022         (common_test_1_DEPENDENCIES): New variable.
12023         (common_test_1_LDFLAGS): New variable.
12024
12025         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12026         and commons_ correctly when NAME/VERSION does not override
12027         NAME/NULL.
12028         * testsuite/ver_test_6.c: New file.
12029         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12030         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12031         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12032
12033 2008-03-26  Ian Lance Taylor  <iant@google.com>
12034
12035         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12036         of an undefined symbol from a version script.
12037         * testsuite/Makefile.am (ver_test_5.so): New target.
12038         (ver_test_5.o): New target.
12039         (check_SCRIPTS): Add ver_test_5.sh.
12040         (check_DATA): Add ver_test_5.syms.
12041         (ver_test_5.syms): New target.
12042         * testsuite/ver_test_5.cc: New file.
12043         * testsuite/ver_test_5.script: New file.
12044         * testsuite/ver_test_5.sh: New file.
12045         * Makefile.in, testsuite/Makefile.in: Rebuild.
12046
12047         PR gold/5986
12048         Fix problems building gold with gcc 4.3.0.
12049         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12050         (gold_error_at_location, gold_warning_at_location): Use it.
12051         * configure.ac: Check whether we can compile and use a template
12052         function with a printf attribute.
12053         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12054         when jumping over bytes.
12055         * object.cc: Instantiate Object::read_section_data.
12056         * debug.h: Include <cstring>
12057         * dwarf_reader.cc: Include <algorithm>
12058         * main.cc: Include <cstring>.
12059         * options.cc: Include <cstring>.
12060         * output.cc: Include <cstring>.
12061         * script.cc: Include <cstring>.
12062         * script.h: Include <string>.
12063         * symtab.cc: Include <cstring> and <algorithm>.
12064         * target-select.cc: Include <cstring>.
12065         * version.cc: Include <string>.
12066         * testsuite/testmain.cc: Include <cstdlib>.
12067         * configure, config.in: Rebuild.
12068
12069 2008-03-25  Ian Lance Taylor  <iant@google.com>
12070
12071         * options.cc: Include "../bfd/bfdver.h".
12072         (options::help): Print bug reporting address.
12073
12074         * version.cc (print_version): Adjust output for current value of
12075         BFD_VERSION_STRING.
12076
12077         * NEWS: New file.
12078
12079         * options.cc (options::help): Print list of supported targets.
12080         * target-select.h: Include <vector>.
12081         (class Target_selector): Make machine_, size_, and is_big_endian_
12082         fields const.  Add bfd_name_ and instantiated_target_ fields.
12083         (Target_selector::Target_selector): Add bfd_name parameter.
12084         (Target_selector::recognize): Make non-virtual, call
12085         do_recognize.
12086         (Target_selector::recognize_by_name): Make non-virtual, call
12087         do_recognize_by_name.
12088         (Target_selector::supported_names): New function.
12089         (Target_selector::bfd_name): New function.
12090         (Target_selector::do_instantiate_target): New pure virtual
12091         function.
12092         (Target_selector::do_recognize): New virtual function.
12093         (Target_selector::do_recognize_by_name): New virtual function.
12094         (Target_selector::instantiate_target): New private function.
12095         (supported_target_names): Declare.
12096         * target-select.cc (Target_selector::Target_selector): Update for
12097         new parameter and fields.
12098         (select_target_by_name): Check that the name matches before
12099         calling recognize_by_name.
12100         (supported_target_names): New function.
12101         * i386.cc (class Target_selector_i386): Update Target_selector
12102         constructor call.  Remove recognize and recognize_by_name.  Add
12103         do_instantiate_target.
12104         * x86_64.cc (class Target_selector_x86_64): Likewise.
12105         * testsuite/testfile.cc (class Target_selector_test): Update for
12106         changes to Target_selector.
12107
12108         * README: Rewrite, with some notes on unsupported features.
12109
12110 2008-03-24  Cary Coutant  <ccoutant@google.com>
12111
12112         * i386.cc (Target_i386::Got_type): New enum declaration.
12113         (Target_i386::Scan::local): Updated callers of Output_data_got
12114         member functions.
12115         (Target_i386::Scan::global): Likewise.
12116         (Target_i386::Relocate::relocate): Likewise.
12117         (Target_i386::Relocate::relocate_tls): Likewise.
12118         * object.h (Got_offset_list): New class.
12119         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12120         (Sized_relobj::local_got_offset): Likewise.
12121         (Sized_relobj::set_local_got_offset): Likewise.
12122         (Sized_relobj::local_has_tls_got_offset): Removed.
12123         (Sized_relobj::local_tls_got_offset): Removed.
12124         (Sized_relobj::set_local_tls_got_offset): Removed.
12125         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12126         * output.cc (Output_data_got::add_global): Added got_type parameter.
12127         (Output_data_got::add_global_with_rel): Likewise.
12128         (Output_data_got::add_global_with_rela): Likewise.
12129         (Output_data_got::add_global_pair_with_rel): New function.
12130         (Output_data_got::add_global_pair_with_rela): New function.
12131         (Output_data_got::add_local): Added got_type parameter.
12132         (Output_data_got::add_local_with_rel): Likewise.
12133         (Output_data_got::add_local_with_rela): Likewise.
12134         (Output_data_got::add_local_pair_with_rel): New function.
12135         (Output_data_got::add_local_pair_with_rela): New function.
12136         (Output_data_got::add_global_tls): Removed.
12137         (Output_data_got::add_global_tls_with_rel): Removed.
12138         (Output_data_got::add_global_tls_with_rela): Removed.
12139         (Output_data_got::add_local_tls): Removed.
12140         (Output_data_got::add_local_tls_with_rel): Removed.
12141         (Output_data_got::add_local_tls_with_rela): Removed.
12142         * output.h (Output_data_got::add_global): Added got_type parameter.
12143         (Output_data_got::add_global_with_rel): Likewise.
12144         (Output_data_got::add_global_with_rela): Likewise.
12145         (Output_data_got::add_global_pair_with_rel): New function.
12146         (Output_data_got::add_global_pair_with_rela): New function.
12147         (Output_data_got::add_local): Added got_type parameter.
12148         (Output_data_got::add_local_with_rel): Likewise.
12149         (Output_data_got::add_local_with_rela): Likewise.
12150         (Output_data_got::add_local_pair_with_rel): New function.
12151         (Output_data_got::add_local_pair_with_rela): New function.
12152         (Output_data_got::add_global_tls): Removed.
12153         (Output_data_got::add_global_tls_with_rel): Removed.
12154         (Output_data_got::add_global_tls_with_rela): Removed.
12155         (Output_data_got::add_local_tls): Removed.
12156         (Output_data_got::add_local_tls_with_rel): Removed.
12157         (Output_data_got::add_local_tls_with_rela): Removed.
12158         * resolve.cc (Symbol::override_base_with_special): Removed
12159         reference to has_got_offset_ field.
12160         * symtab.cc (Symbol::init_fields): Replaced initialization
12161         of got_offset_ with got_offsets_.  Removed initialization
12162         of has_got_offset_
12163         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12164         (Symbol::got_offset): Likewise.
12165         (Symbol::set_got_offset): Likewise.
12166         (Symbol::has_tls_got_offset): Removed.
12167         (Symbol::tls_got_offset): Removed.
12168         (Symbol::set_tls_got_offset): Removed.
12169         (Symbol::got_offset_): Removed.
12170         (Symbol::tls_mod_got_offset_): Removed.
12171         (Symbol::tls_pair_got_offset_): Removed.
12172         (Symbol::got_offsets_): New field.
12173         (Symbol::has_got_offset): Removed.
12174         (Symbol::has_tls_mod_got_offset): Removed.
12175         (Symbol::has_tls_pair_got_offset): Removed.
12176         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12177         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12178         member functions.
12179         (Target_x86_64::Scan::global): Likewise.
12180         (Target_x86_64::Relocate::relocate): Likewise.
12181         (Target_x86_64::Relocate::relocate_tls): Likewise.
12182
12183 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12184
12185         * yyscript.y: Fix spelling error in comment.
12186
12187 2008-03-24  Ian Lance Taylor  <iant@google.com>
12188
12189         * options.h (class General_options): Define build_id option.
12190         * layout.h (class Layout): Declare write_build_id, create_note,
12191         create_build_id.  Add build_id_note_ member.
12192         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12193         "libiberty.h", "md5.h", "sha1.h".
12194         (Layout::Layout): Initialize eh_frame_data_,
12195         eh_frame_hdr_section_, and build_id_note_.
12196         (Layout::finalize): Call create_build_id.
12197         (Layout::create_note): New function, broken out of
12198         Layout::create_gold_note.
12199         (Layout::create_gold_note): Call create_note.
12200         (Layout::create_build_id): New function.
12201         (Layout::write_build_id): New function.
12202         (Close_task_runner::run): Call write_build_id.
12203
12204         * x86_64.cc: Correct license to GPLv3.
12205
12206 2008-03-23  Ian Lance Taylor  <iant@google.com>
12207
12208         * options.cc: Include "demangle.h".
12209         (parse_optional_string): New function.
12210         (parse_long_option): Handle takes_optional_argument.
12211         (parse_short_option): Update dash_z initializer.  Handle
12212         takes_optional_argument.
12213         (General_options::General_options): Initialize do_demangle_.
12214         (General_options::finalize): Set do_demangle_.  Handle demangling
12215         style.
12216         * options.h (parse_optional_string): Declare.
12217         (struct One_option): Add optional_arg field.  Update constructor.
12218         Update call constructor calls.  Add takes_optional_argument
12219         function.
12220         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12221         (DEFINE_optional_string): Define.
12222         (General_options::demangle): Change from DEFINE_bool to
12223         DEFINE_optional_string.
12224         (General_options::no_demangle): New function.
12225         (General_options::do_demangle): New function.
12226         (General_options::set_do_demangle): New function.
12227         (General_options::execstack_status_): Move definition to end of
12228         class definition.
12229         (General_options::static_): Likewise.
12230         (General_options::do_demangle_): New field.
12231         * object.cc (big_endian>::get_symbol_location_info): Call
12232         Options::do_demangle, not Options::demangle.
12233         * symtab.cc (demangle): Likewise.
12234
12235 2008-03-22  Ian Lance Taylor  <iant@google.com>
12236
12237         * gold.h: Include <cstddef> and <sys/types.h>
12238         * options.h: Include <cstring>.
12239
12240 2008-03-21  Ian Lance Taylor  <iant@google.com>
12241
12242         * Added source code to GNU binutils.