gold/ChangeLog

   1 2011-09-23  Simon Baldwin  <simonb@google.com>
   2
   3         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
   4         configuration options.
   5         * configure: Regenerate.
   6         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
   7         * Makefile.in: Regenerate.
   8         * testsuite/Makefile.in: Regenerate.
   9
  10 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
  11
  12         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
  13
  14 2011-09-19  Cary Coutant  <ccoutant@google.com>
  15
  16         * incremental.cc (can_incremental_update): Fix typo in comment.
  17         * incremental.h (can_incremental_update): Likewise.
  18
  19 2011-09-18  Cary Coutant  <ccoutant@google.com>
  20
  21         * incremental.cc (can_incremental_update): New function.
  22         * incremental.h (can_incremental_update): New function.
  23         * layout.cc (Layout::init_fixed_output_section): Call it.
  24         (Layout::make_output_section): Don't allow patch space in .eh_frame.
  25         * object.cc (Sized_relobj_file::do_layout): Call
  26         can_incremental_update.
  27
  28 2011-09-13  Cary Coutant  <ccoutant@google.com>
  29
  30         * configure.ac: Check for glibc support for gnu_indirect_function
  31         support with static linking, setting automake conditional
  32         IFUNC_STATIC.
  33         * Makefile.in: Regenerate.
  34         * configure: Regenerate.
  35
  36         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
  37         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
  38         for IFUNC_STATIC.
  39         * testsuite/Makefile.in: Regenerate.
  40
  41 2011-09-13  Cary Coutant  <ccoutant@google.com>
  42
  43         * incremental.cc (Sized_relobj_incr::do_layout): Call
  44         report_comdat_group for kept comdat sections.
  45         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
  46         * testsuite/Makefile.in: Regenerate.
  47         * testsuite/incr_comdat_test_1.cc: New source file.
  48         * testsuite/incr_comdat_test_2_v1.cc: New source file.
  49         * testsuite/incr_comdat_test_2_v2.cc: New source file.
  50         * testsuite/incr_comdat_test_2_v3.cc: New source file.
  51
  52 2011-09-13  Ian Lance Taylor  <iant@google.com>
  53
  54         * object.cc (Sized_relobj_file::do_layout): Remove unused local
  55         variable external_symbols_offset.
  56
  57 2011-09-12  Ian Lance Taylor  <iant@google.com>
  58
  59         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
  60         triggered if object has no symbols.
  61
  62 2011-09-09  David S. Miller  <davem@davemloft.net>
  63
  64         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
  65         (Output_fill_debug_line::do_write): Likewise.
  66
  67 2011-08-29  Cary Coutant  <ccoutant@google.com>
  68
  69         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
  70         casts to match formatting specs.
  71         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
  72
  73 2011-08-26  Cary Coutant  <ccoutant@google.com>
  74
  75         * layout.cc (Free_list::allocate): Provide guarantee of minimum
  76         remaining hole size when allocating.
  77         (Layout::make_output_section): Set fill methods for debug sections.
  78         * layout.h (Free_list::Free_list_node): Move from private to
  79         public.
  80         (Free_list::set_min_hole_size): New function.
  81         (Free_list::begin, Free_list::end): New functions.
  82         (Free_list::min_hole_): New data member.
  83         * output.cc: Include dwarf.h.
  84         (Output_fill_debug_info::do_minimum_hole_size): New function.
  85         (Output_fill_debug_info::do_write): New function.
  86         (Output_fill_debug_line::do_minimum_hole_size): New function.
  87         (Output_fill_debug_line::do_write): New function.
  88         (Output_section::Output_section): Initialize new data member.
  89         (Output_section::set_final_data_size): Ensure patch space is larger
  90         than minimum hole size.
  91         (Output_section::do_write): Fill holes in debug sections.
  92         * output.h (Output_fill): New class.
  93         (Output_fill_debug_info): New class.
  94         (Output_fill_debug_line): New class.
  95         (Output_section::set_free_space_fill): New function.
  96         (Output_section::free_space_fill_): New data member.
  97         * testsuite/Makefile.am (incremental_test_3): Add
  98         --incremental-patch option.
  99         (incremental_test_4): Likewise.
 100         (incremental_test_5): Likewise.
 101         (incremental_test_6): Likewise.
 102         (incremental_copy_test): Likewise.
 103         (incremental_common_test_1): Likewise.
 104         * testsuite/Makefile.in: Regenerate.
 105
 106 2011-08-26  Nick Clifton  <nickc@redhat.com>
 107
 108         * po/es.po: Updated Spanish translation.
 109
 110 2011-08-01  Cary Coutant  <ccoutant@google.com>
 111
 112         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 113         * gold/testsuite/Makefile.in: Regenerate.
 114         * gold/testsuite/justsyms_exec.c: New source file.
 115         * gold/testsuite/justsyms_lib.c: New source file.
 116
 117 2011-08-01  Cary Coutant  <ccoutant@google.com>
 118
 119         * layout.cc (Layout::set_segment_offsets): Don't realign text
 120         segment if -Ttext was specified.
 121         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 122         file type.
 123         * object.h (Sized_relobj_file::e_type): New function.
 124         (Sized_relobj_file::e_type_): New data member.
 125         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 126         base address for ET_EXEC files.
 127         * target.cc (Target::do_make_elf_object_implementation): Allow
 128         ET_EXEC files with --just-symbols option.
 129
 130 2011-07-28  Cary Coutant  <ccoutant@google.com>
 131
 132         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 133         Add thread_number parameter.
 134         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 135         * workqueue-threads.cc
 136         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 137         current thread if its thread number is greater than desired thread
 138         count.
 139         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 140         Add thread_number parameter.
 141         (Workqueue::should_cancel_thread): Likewise.
 142         (Workqueue::find_runnable_or_wait): Pass thread_number to
 143         should_cancel_thread.
 144         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 145         parameter.
 146
 147 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 148
 149         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 150         only after checking if it cannot be forced local.
 151         * symtab.h (is_externally_visible): Check if the symbol is not forced
 152         local.
 153
 154 2011-07-15  Ian Lance Taylor  <iant@google.com>
 155
 156         * options.h (class General_options): Add --print-output-format.
 157         Move -EL next to -EB, for  better --help output.
 158         * target-select.cc: Include <cstdio>, "options.h", and
 159         "parameters.h".
 160         (Target_selector::do_target_bfd_name): New function.
 161         (print_output_format): New function.
 162         * target-select.h (class Target_selector): Update declarations.
 163         (Target_selector::target_bfd_name): New function.
 164         (print_output_format): Declare.
 165         * main.cc: Include "target-select.h".
 166         (main): Handle --print-output-format.
 167         * gold.cc: Include "target-select.h".
 168         (queue_initial_tasks): Handle --print-output-format when there are
 169         no input files.
 170         * parameters.cc (parameters_force_valid_target): Give a better
 171         error message if -EB/-EL does not match target.
 172         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 173         function.
 174
 175 2011-07-15  Ian Lance Taylor  <iant@google.com>
 176
 177         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 178         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 179         (Output_data_plt_i386::do_write): Write address of .dynamic
 180         section to first entry in .got.plt section.
 181         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 182         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 183         Initialize layout_.
 184         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 185         section to first entry in .got.plt section.
 186         * layout.h (Layout::dynamic_section): New function.
 187
 188 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 189
 190         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 191         to claim_file call.
 192         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 193         input_section_position_, and input_section_glob_.
 194         (read_layout_from_file): Call function section_ordering_specified.
 195         * layout.h (is_section_ordering_specified): New function.
 196         (section_ordering_specified): New function.
 197         (section_ordering_specified_): New boolean member.
 198         * main.cc(main): Call load_plugins after layout object is defined.
 199         * output.cc (Output_section::add_input_section): Use
 200         function section_ordering_specified to check if section ordering is
 201         needed.
 202         * output.cc (Output_section::add_relaxed_input_section): Use
 203         function section_ordering_specified to check if section ordering is
 204         needed.
 205         (Output_section::update_section_layout): New function.
 206         (Output_section::sort_attached_input_sections): Check if input section
 207         must be reordered.
 208         * output.h (Output_section::update_section_layout): New function.
 209         * plugin.cc (get_section_count): New function.
 210         (get_section_type): New function.
 211         (get_section_name): New function.
 212         (get_section_contents): New function.
 213         (update_section_order): New function.
 214         (allow_section_ordering): New function.
 215         (Plugin::load): Add the new interfaces to the transfer vector.
 216         (Plugin_manager::load_plugins): New parameter.
 217         (Plugin_manager::all_symbols_read): New parameter.
 218         (Plugin_manager::claim_file): New parameter. Save the elf object for
 219         unclaimed objects.
 220         (Plugin_manager::get_elf_object): New function.
 221         (Plugin_manager::get_view): Change to directly use the bool to check
 222         if get_view is called from claim_file_hook.
 223         * plugin.h (input_objects): New function
 224         (Plugin__manager::load_plugins): New parameter.
 225         (Plugin_manager::claim_file): New parameter.
 226         (Plugin_manager::get_elf_object): New function.
 227         (Plugin_manager::in_claim_file_handler): New function.
 228         (Plugin_manager::in_claim_file_handler_): New member.
 229         (layout): New function.
 230         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 231         handler with an extra parameter. Make the elf object before calling
 232         claim_file handler.
 233         * testsuite/plugin_test.c (get_section_count): New function pointer.
 234         (get_section_type): New function pointer.
 235         (get_section_name): New function pointer.
 236         (get_section_contents): New function pointer.
 237         (update_section_order): New function pointer.
 238         (allow_section_ordering): New function pointer.
 239         (onload): Check if the new interfaces exist.
 240
 241 2011-07-13  Ian Lance Taylor  <iant@google.com>
 242
 243         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 244         relro section.
 245         * x86_64.cc (Target_x86_64::got_section): Likewise.
 246         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 247         (relro_now_test_SOURCES): New variable.
 248         (relro_now_test_DEPENDENCIES): New variable.
 249         (relro_now_test_LDFLAGS): New variable.
 250         (relro_now_test_LDADD): New variable.
 251         (relro_now_test.so): New target.
 252         * testsuite/Makefile.in: Rebuild.
 253
 254 2011-07-12  Ian Lance Taylor  <iant@google.com>
 255
 256         PR gold/12980
 257         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 258         GLOB_DAT relocation rather than a RELATIVE relocation for a
 259         protected symbol when creating a shared library.
 260         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 261         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 262         * testsuite/protected_main_1.cc (main): Test that protected
 263         function has same address.
 264
 265 2011-07-11  Ian Lance Taylor  <iant@google.com>
 266
 267         PR gold/12979
 268         * options.h (class General_options): Add -Bgroup.
 269         * options.cc (General_options::finalize): If -Bgroup is set,
 270         default to --unresolved-symbols=report-all.
 271         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 272         * target-reloc.h (issue_undefined_symbol_error): Handle
 273         --unresolved-symbols=report-all.
 274
 275 2011-07-08  Ian Lance Taylor  <iant@google.com>
 276
 277         PR gold/11985
 278         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 279         if linker script discards key sections.
 280         (Layout::create_dynamic_symtab): Likewise.
 281         (Layout::assign_local_dynsym_offsets): Likewise.
 282         (Layout::sized_create_version_sections): Likewise.
 283         (Layout::create_interp): Likewise.
 284         (Layout::finish_dynamic_section): Likewise.
 285         (Layout::set_dynamic_symbol_size): Likewise.
 286
 287 2011-07-08  Ian Lance Taylor  <iant@google.com>
 288
 289         PR gold/12386
 290         * options.h (class General_options): Add --unresolved-symbols.
 291         * target-reloc.h (issue_undefined_symbol_error): Check
 292         --unresolved-symbols.  Add comments.
 293
 294 2011-07-08  Ian Lance Taylor  <iant@google.com>
 295
 296         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 297         expression more complex.
 298
 299 2011-07-08  Ian Lance Taylor  <iant@google.com>
 300
 301         PR gold/11317
 302         * target-reloc.h (issue_undefined_symbol_error): New inline
 303         function, broken out of relocate_section.
 304         (relocate_section): Call issue_undefined_symbol_error.
 305         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 306         there is no TLS segment if we are about to issue an undefined
 307         symbol error.
 308         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 309
 310 2011-07-08  Ian Lance Taylor  <iant@google.com>
 311
 312         PR gold/12279
 313         * resolve.cc (Symbol_table::should_override): Add fromtype
 314         parameter.  Change all callers.  Give error when linking together
 315         TLS and non-TLS symbol.
 316         (Symbol_table::should_override_with_special): Add fromtype
 317         parameter.  Change all callers.
 318         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 319         there is no TLS segment if we have reported some errors.
 320         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 321
 322 2011-07-08  Ian Lance Taylor  <iant@google.com>
 323
 324         PR gold/12372
 325         * target.h (Target::plt_address_for_global): New function.
 326         (Target::plt_address_for_local): New function.
 327         (Target::plt_section_for_global): Remove.
 328         (Target::plt_section_for_local): Remove.
 329         (Target::do_plt_address_for_global): New virtual function.
 330         (Target::do_plt_address_for_local): New virtual function.
 331         (Target::do_plt_section_for_global): Remove.
 332         (Target::do_plt_section_for_local): Remove.
 333         (Target::register_global_plt_entry): Add Symbol_table and Layout
 334         parameters.
 335         * output.cc (Output_data_got::Got_entry::write): Use
 336         plt_address_for_global and plt_address_for_local.
 337         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 338         address of output section.
 339         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 340         got_irelative_, and irelative_count_ fields.  Update
 341         declarations.
 342         (Output_data_plt_i386::has_irelative_section): New function.
 343         (Output_data_plt_i386::entry_count): Add irelative_count_.
 344         (Output_data_plt_i386::set_final_data_size): Likewise.
 345         (class Target_i386): Add got_irelative_ and rel_irelative_
 346         fields.  Update declarations.
 347         (Target_i386::Target_i386): Initialize new fields.
 348         (Target_i386::do_plt_address_for_global): New function replacing
 349         do_plt_section_for_global.
 350         (Target_i386::do_plt_address_for_local): New function replacing
 351         do_plt_section_for_local.
 352         (Target_i386::got_section): Create got_irelative_.
 353         (Target_i386::rel_irelative_section): New function.
 354         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 355         fields.  Don't define __rel_iplt_{start,end}.
 356         (Output_data_plt_i386::add_entry): Add symtab and layout
 357         parameters.  Change all callers.  Use different PLT and GOT for
 358         IFUNC symbols.
 359         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 360         layout parameters.  Change all callers.  Use different PLT and
 361         GOT.
 362         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 363         (Output_data_plt_i386::rel_irelative): New function.
 364         (Output_data_plt_i386::address_for_global): New function.
 365         (Output_data_plt_i386::address_for_local): New function.
 366         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 367         IRELATIVE GOT when changing IFUNC GOT entries.
 368         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 369         reloc.
 370         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 371         if we didn't create an IRELATIVE GOT.
 372         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 373         plt_address_for_local.
 374         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 375         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 376         got_irelative_, and irelative_count_ fields.  Update
 377         declarations.
 378         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 379         Initialize new fields.  Remove symtab parameter.  Change all
 380         callers.
 381         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 382         irelative_count_.
 383         (Output_data_plt_x86_64::has_irelative_section): New function.
 384         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 385         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 386         fields.  Update declarations.
 387         (Target_x86_64::Target_x86_64): Initialize new fields.
 388         (Target_x86_64::do_plt_address_for_global): New function replacing
 389         do_plt_section_for_global.
 390         (Target_x86_64::do_plt_address_for_local): New function replacing
 391         do_plt_section_for_local.
 392         (Target_x86_64::got_section): Create got_irelative_.
 393         (Target_x86_64::rela_irelative_section): New function.
 394         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 395         all callers.  Don't create __rel_iplt_{start,end}.
 396         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 397         parameters.  Change all callers.  Use different PLT and GOT for
 398         IFUNC symbols.
 399         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 400         layout parameters.  Change all callers.  Use different PLT and
 401         GOT.
 402         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 403         parameters.  Change all callers.  Use different PLT and GOT for
 404         IFUNC symbols.
 405         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 406         (Output_data_plt_x86_64::rela_irelative): New function.
 407         (Output_data_plt_x86_64::address_for_global): New function.
 408         (Output_data_plt_x86_64::address_for_local): New function.
 409         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 410         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 411         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 412         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 413         parameters.
 414         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 415         reloc.
 416         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 417         symbols if we didn't create an IRELATIVE GOT.
 418         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 419         plt_address_for_local.
 420         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 421         * testsuite/ifuncvar1.c: New test file.
 422         * testsuite/ifuncvar2.c: New test file.
 423         * testsuite/ifuncvar3.c: New test file.
 424         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 425         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 426         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 427         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 428         * testsuite/Makefile.in: Rebuild.
 429
 430 2011-07-07  Cary Coutant  <ccoutant@google.com>
 431
 432         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 433         (two_file_test_1_ndebug.o): Likewise.
 434         (two_file_test_1b_ndebug.o): Likewise.
 435         (two_file_test_2_ndebug.o): Likewise.
 436         (two_file_test_main_ndebug.o): Likewise.
 437         (incremental_test_2): Link with no-debug versions.
 438
 439 2011-07-06  Cary Coutant  <ccoutant@google.com>
 440
 441         * gold/incremental.cc
 442         (Output_section_incremental_inputs::write_info_blocks): Check for
 443         hidden and internal symbols.
 444
 445 2011-07-06  Cary Coutant  <ccoutant@google.com>
 446
 447         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 448         Check disposition for startup file.
 449         (Incremental_inputs::report_command_line): Ignore
 450         --incremental-startup-unchanged option.
 451         * options.cc (General_options::parse_incremental_startup_unchanged):
 452         New function.
 453         (General_options::General_options): Initialize new data member.
 454         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 455         (General_options): Add --incremental-startup-unchanged option.
 456         (General_options::incremental_startup_disposition): New function.
 457         (General_options::incremental_startup_disposition_): New data member.
 458
 459 2011-07-06  Cary Coutant  <ccoutant@google.com>
 460
 461         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 462         input file index to Script_info ctor.
 463         (Sized_incremental_binary::do_file_has_changed): Find the
 464         command-line argument for files named in scripts.
 465         * incremental.h (Script_info::Script_info): New ctor
 466         with input file index.
 467         (Script_info::input_file_index): New function.
 468         (Script_info::input_file_index_): New data member.
 469         (Incremental_binary::get_library): Add const.
 470         (Incremental_binary::get_script_info): Add const.
 471         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 472         * testsuite/Makefile.am (incremental_test_5): New test case.
 473         (incremental_test_6): New test case.
 474         * testsuite/Makefile.in: Regenerate.
 475
 476 2011-07-06  Cary Coutant  <ccoutant@google.com>
 477
 478         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 479         debug output when command lines differ.
 480
 481 2011-07-06  Cary Coutant  <ccoutant@google.com>
 482
 483         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 484         --incremental-patch option.
 485         * layout.cc (Free_list::allocate): Extend allocation beyond original
 486         end if enabled.
 487         (Layout::make_output_section): Mark sections that should get
 488         patch space.
 489         * options.cc (parse_percent): New function.
 490         * options.h (parse_percent): New function.
 491         (DEFINE_percent): New macro.
 492         (General_options): Add --incremental-patch option.
 493         * output.cc (Output_section::Output_section): Initialize new data
 494         members.
 495         (Output_section::add_input_section): Print section name when out
 496         of patch space.
 497         (Output_section::add_output_section_data): Likewise.
 498         (Output_section::set_final_data_size): Add patch space when
 499         doing --incremental-full.
 500         (Output_section::do_reset_address_and_file_offset): Remove patch
 501         space.
 502         (Output_segment::set_section_list_addresses): Print debug output
 503         only if --incremental-update.
 504         * output.h (Output_section::set_is_patch_space_allowed): New function.
 505         (Output_section::is_patch_space_allowed_): New data member.
 506         (Output_section::patch_space_): New data member.
 507         * parameters.cc (Parameters::incremental_full): New function.
 508         * parameters.h (Parameters::incremental_full): New function
 509         * testsuite/Makefile.am (incremental_test_2): Add test for
 510         --incremental-patch option.
 511         * testsuite/Makefile.in: Regenerate.
 512         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 513         (t18): Remove function body.
 514
 515 2011-07-05  Doug Kwan  <dougkwan@google.com>
 516
 517         PR gold/12771
 518         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 519         Arm_Address type for relocation result.
 520         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 521         overflow check.
 522         (Arm_relocate_functions::abs32): Use unaligned access.
 523         (Arm_relocate_functions::rel32): Ditto.
 524         (Arm_relocate_functions::prel31): Ditto.
 525         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 526         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 527         static data relocations.
 528         * testsuite/Makefile.in: Regnerate.
 529         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 530
 531 2011-07-05  Ian Lance Taylor  <iant@google.com>
 532
 533         PR gold/12392
 534         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 535         symbols if necessary.
 536         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 537
 538 2011-07-05  Ian Lance Taylor  <iant@google.com>
 539
 540         PR gold/12952
 541         * resolve.cc (Symbol::override_base_with_special): Simply override
 542         version with special symbol version, ignoring previous version.
 543
 544 2011-07-05  Ian Lance Taylor  <iant@google.com>
 545
 546         * object.cc (Sized_relobj_file::include_section_group): Add
 547         information to comment about signature location.
 548
 549 2011-07-02  Ian Lance Taylor  <iant@google.com>
 550
 551         PR gold/12957
 552         * options.h (class General_options): Add -f and -F.
 553         * options.cc (General_options::finalize): Fatal error if -f/-F
 554         are used without -shared.
 555         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
 556
 557 2011-07-02  Ian Lance Taylor  <iant@google.com>
 558
 559         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
 560
 561 2011-07-01  Ian Lance Taylor  <iant@google.com>
 562
 563         PR gold/12525
 564         PR gold/12952
 565         * resolve.cc (Symbol::override_base_with_special): Don't override
 566         the version if the overriding symbol has a different name.
 567         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
 568         all callers.  If we give an error about an undefined version,
 569         define the base version if necessary.
 570         * dynobj.h (class Versions): Update declaration.
 571         * testsuite/weak_alias_test_5.cc: New file.
 572         * testsuite/weak_alias_test.script: New file.
 573         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
 574         and versioned_alias have the right value, and call t2.
 575         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
 576         weak_alias_test_5.so.
 577         (weak_alias_test_LDADD): Likewise.
 578         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
 579         * testsuite/Makefile.in: Rebuild.
 580
 581 2011-07-01  Ian Lance Taylor  <iant@google.com>
 582
 583         PR gold/12525
 584         * options.h (class General_options): Support -z notext.
 585         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
 586         -Wl,-z,notext.
 587         (two_file_shared_nonpic.so): Likewise.
 588         (two_file_shared_mixed.so): Likewise.
 589         (two_file_shared_mixed_1.so): Likewise.
 590         (weak_undef_lib_nonpic.so): Likewise.
 591         (alt/weak_undef_lib_nonpic.so): Likewise.
 592         (tls_test_shared_nonpic.so): Likewise.
 593         * testsuite/Makefile.in: Rebuild.
 594
 595 2011-07-01  Ian Lance Taylor  <iant@google.com>
 596
 597         PR gold/12525
 598         * configure.ac: Test whether static linking works, setting
 599         the automake conditional HAVE_STATIC.
 600         * testsuite/Makefile.am: Disable tests using -static if
 601         HAVE_STATIC is not true.
 602         * configure, testsuite/Makefile.in: Rebuild.
 603
 604 2011-07-01  Ian Lance Taylor  <iant@google.com>
 605
 606         PR gold/12525
 607         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
 608         Assert if we see DW_EH_PE_indirect.
 609         * target.h (Target::ehframe_datarel_base): New function.
 610         (Target::do_ehframe_datarel_base): New target function.
 611         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
 612         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
 613         function.
 614
 615 2011-07-01  Ian Lance Taylor  <iant@google.com>
 616
 617         PR gold/12571
 618         * options.h (class General_options): Add
 619         --ld-generated-unwind-info.
 620         * ehframe.cc (Fde::write): Add address parameter.  Change all
 621         callers.  If associated with PLT, fill in address and size.
 622         (Cie::set_output_offset): Only add merge mapping if there is an
 623         object.
 624         (Cie::write): Add address parameter.  Change all callers.
 625         (Eh_frame::add_ehframe_for_plt): New function.
 626         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
 627         input_offset_ fields into union u_, with new plt field.
 628         (Fde::Fde): Adjust for new union field.
 629         (Fde::Fde) [Output_data version]: New constructor.
 630         (Fde::add_mapping): Only add merge mapping if there is an object.
 631         (class Cie): Update declarations.
 632         (class Eh_frame): Declare add_ehframe_for_plt.
 633         * layout.cc (Layout::layout_eh_frame): Break out code into
 634         make_eh_frame_section, and call it.
 635         (Layout::make_eh_frame_section): New function.
 636         (Layout::add_eh_frame_for_plt): New function.
 637         * layout.h (class Layout): Update declarations.
 638         * merge.cc (Merge_map::add_mapping): Add assertion.
 639         * i386.cc: Include "dwarf.h".
 640         (class Output_data_plt_i386): Make first_plt_entry,
 641         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
 642         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 643         and plt_eh_frame_fde.
 644         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
 645         boundary.  Call add_eh_frame_for_plt if appropriate.
 646         * x86_64.cc: Include "dwarf.h".
 647         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
 648         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
 649         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 650         and plt_eh_frame_fde.
 651         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
 652         appropriate.
 653
 654 2011-06-29  Ian Lance Taylor  <iant@google.com>
 655
 656         PR gold/12629
 657         * object.cc (Sized_relobj_file::layout_section): Change shdr
 658         parameter to be const.
 659         (Sized_relobj_file::layout_eh_frame_section): New function, broken
 660         out of do_layout.
 661         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
 662         appropriate.  Call layout_eh_frame_section.
 663         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
 664         sections.
 665         * object.h (class Sized_relobj_file): Update declarations.
 666
 667 2011-06-29  Ian Lance Taylor  <iant@google.com>
 668
 669         PR gold/12652
 670         * script.cc (Token::integer_value): Accept trailing M/m/K/k
 671         modifier.
 672         (Lex::gather_token): Accept trailing M/m/K/k for integers.
 673
 674 2011-06-29  Ian Lance Taylor  <iant@google.com>
 675
 676         PR gold/12675
 677         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
 678         SHT_X86_64_UNWIND.
 679         * layout.cc (Layout::layout_eh_frame): Likewise.
 680
 681 2011-06-29  Ian Lance Taylor  <iant@google.com>
 682
 683         PR gold/12695
 684         * layout.cc (Layout::symtab_section_shndx): New function.
 685         * layout.h (class Layout): Declare symtab_section_shndx.
 686         * output.cc (Output_section::write_header): Call it.
 687
 688 2011-06-29  Ian Lance Taylor  <iant@google.com>
 689
 690         PR gold/12818
 691         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
 692         symbols which are not used in a relocation.
 693
 694 2011-06-28  Ian Lance Taylor  <iant@google.com>
 695
 696         PR gold/12898
 697         * layout.cc (Layout::segment_precedes): Don't crash if a linker
 698         script create indistinguishable segments.
 699         (Layout::set_segment_offsets): Use stable_sort when sorting
 700         segments.  Pass this to Compare_segments constructor.
 701         * layout.h (class Layout): Make segment_precedes non-static.
 702         (class Compare_segments): Change from struct to class.  Add
 703         layout_ field.  Add constructor.
 704         * script-sections.cc
 705         (Script_sections::attach_sections_using_phdrs_clause): Rename
 706         local orphan to is_orphan.  Don't report failure to put empty
 707         section in segment.  On attachment failure, report name of
 708         section, and attach to first PT_LOAD segment.
 709
 710 2011-06-28  Ian Lance Taylor  <iant@google.com>
 711
 712         PR gold/12934
 713         * target-select.cc (Target_selector::Target_selector): Add
 714         emulation parameter.  Change all callers.
 715         (select_target_by_bfd_name): Rename from select_target_by_name.
 716         Change all callers.
 717         (select_target_by_emulation): New function.
 718         (supported_emulation_names): New function.
 719         * target-select.h (class Target_selector): Add emulation_ field.
 720         Update declarations.
 721         (Target_selector::recognize_by_bfd_name): Rename from
 722         recognize_by_name.  Change all callers.
 723         (Target_selector::supported_bfd_names): Rename from
 724         supported_names.  Change all callers.
 725         (Target_selector::recognize_by_emulation): New function.
 726         (Target_selector::supported_emulations): New function.
 727         (Target_selector::emulation): New function.
 728         (Target_selector::do_recognize_by_bfd_name): Rename from
 729         do_recognize_by_name.  Change all callers.
 730         (Target_selector::do_supported_bfd_names): Rename from
 731         do_supported_names.  Change all callers.
 732         (Target_selector::do_recognize_by_emulation): New function.
 733         (Target_selector::do_supported_emulations): New function.
 734         (select_target_by_bfd_name): Change name in declaration.
 735         (select_target_by_emulation): Declare.
 736         (supported_emulation_names): Declare.
 737         * parameters.cc (parameters_force_valid_target): Try to find
 738         target based on emulation from -m option.
 739         * options.h (class General_options): Change doc string for -m.
 740         * options.cc (help): Print emulations.
 741         (General_options::parse_V): Likewise.
 742         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
 743         Add emulation parameter.  Change all callers.
 744
 745 2011-06-28  Ian Lance Taylor  <iant@google.com>
 746
 747         * target.h (class Target): Add osabi_ field.
 748         (Target::osabi): New function.
 749         (Target::set_osabi): New function.
 750         (Target::Target): Initialize osabi_.
 751         (Target::do_adjust_elf_header): Make pure virtual.
 752         (Sized_target::do_adjust_elf_header): Declare.
 753         * target.cc (Sized_target::do_adjust_elf_header): New function.
 754         (class Sized_target): Instantiate all versions.
 755         * freebsd.h (class Target_freebsd): Remove.
 756         (Target_selector_freebsd::do_recognize): Call set_osabi on
 757         Target.
 758         (Target_selector_freebsd::do_recognize_by_name): Likewise.
 759         (Target_selector_freebsd::set_osabi): Remove.
 760         * i386.cc (class Target_i386): Inherit from Sized_target rather
 761         than Target_freebsd.
 762         * x86_64.cc (class Target_x86_64): Likewise.
 763
 764 2011-06-28  Ian Lance Taylor  <iant@google.com>
 765
 766         * target.h (Target::can_check_for_function_pointers): Rewrite.
 767         Make non-virtual.
 768         (Target::can_icf_inline_merge_sections): Likewise.
 769         (Target::section_may_have_icf_unsafe_poineters): Likewise.
 770         (Target::Target_info): Add can_icf_inline_merge_sections field.
 771         (Target::do_can_check_for_function_pointers): New virtual
 772         function.
 773         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
 774         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
 775         from can_check_for_function_pointers, move in file.
 776         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
 777         section_may_have_icf_unsafe_poineters, move in file.
 778         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
 779         * i386.cc (Target_i386::do_can_check_for_function_pointers):
 780         Rename from can_check_for_function_pointers, move in file.
 781         (Target_i386::can_icf_inline_merge_sections): Remove.
 782         (Target_i386::i386_info): Initialize
 783         can_icf_inline_merge_sections.
 784         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
 785         Initialize can_icf_inline_merge_sections.
 786         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
 787         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
 788         Rename from can_check_for_function_pointers, move in file.
 789         (Target_x86_64::can_icf_inline_merge_sections): Remove.
 790         (Target_x86_64::x86_64_info): Initialize
 791         can_icf_inline_merge_sections.
 792         * testsuite/testfile.cc (Target_test::test_target_info):
 793         Likewise.
 794         * icf.cc (get_section_contents): Correct formatting.
 795
 796 2011-06-27  Ian Lance Taylor  <iant@google.com>
 797
 798         * symtab.cc (Symbol::versioned_name): New function.
 799         (Symbol_table::add_to_final_symtab): Use versioned_name when
 800         appropriate.
 801         (Symbol_table::sized_write_symbol): Likewise.
 802         * symtab.h (class Symbol): Declare versioned_name.
 803         * stringpool.h (class Stringpool_template): Add variant of add
 804         which takes a std::basic_string.
 805         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
 806         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
 807         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
 808         (ver_test_12.o): New target.
 809         * testsuite/Makefile.in: Rebuild.
 810
 811 2011-06-27  Doug Kwan  <dougkwan@google.com>
 812
 813         * arm.cc (Arm_relocate_functions::thm_jump8,
 814         Arm_relocate_functions::thm_jump11): Use a wider signed
 815         type to compute offset.
 816         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
 817         arm_thm_jump8.
 818         * testsuite/Makefile.in: Regenerate.
 819         * testsuite/arm_branch_in_range.sh: Check test results of
 820         arm_thm_jump11 and arm_thm_jump8.
 821         * testsuite/arm_thm_jump11.s: New test source file.
 822         * testsuite/arm_thm_jump11.t: New linker script.
 823         * testsuite/arm_thm_jump8.s: New test source file.
 824         * testsuite/arm_thm_jump8.t: New linker script.
 825
 826 2011-06-24  Ian Lance Taylor  <iant@google.com>
 827
 828         * layout.cc: Include "object.h".
 829         (ctors_sections_in_init_array): New static variable.
 830         (Layout::is_ctors_in_init_array): New function.
 831         (Layout::layout): Add entry to ctors_sections_in_init_array if
 832         appropriate.
 833         * layout.h (class Layout): Declare is_ctors_in_init_array.
 834         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
 835         is_ctors_reverse_view is set.
 836         (Sized_relobj_file::write_sections): Add layout parameter.  Change
 837         all callers.  Set is_ctors_reverse_view field of View_size.
 838         (Sized_relobj_file::reverse_words): New function.
 839         * object.h (Sized_relobj_file::View_size): Add
 840         is_ctors_reverse_view field.
 841         (class Sized_relobj_file): Update declarations.
 842         * testsuite/initpri3.c: New test.
 843         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
 844         initpri3b.
 845         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
 846         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
 847         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
 848         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
 849         * testsuite/Makefile.in: Rebuild.
 850
 851 2011-06-24  Cary Coutant  <ccoutant@google.com>
 852
 853         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
 854         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
 855         (debug_msg_cdebug.err): New targets.
 856         * testsuite/Makefile.in: Regenerate.
 857         * testsuite/debug_msg.sh: Check output of link with compressed debug.
 858         Fix checks for link with shared library.
 859
 860 2011-06-24  Doug Kwan  <dougkwan@google.com>
 861
 862         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
 863         skip empty text sections.
 864         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
 865
 866 2011-06-22  Ian Lance Taylor  <iant@google.com>
 867
 868         PR gold/12910
 869         * options.h (class General_options): Add --ctors-in-init-array.
 870         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
 871         friends as SHT_PROGBITS for merging sections.
 872         (Layout::layout): Remove special handling of .init_array and
 873         friends.  Don't sort if doing relocatable link.  Sort for .ctors
 874         and .dtors if ctors_in_init_array.
 875         (Layout::make_output_section): Force correct section types for
 876         .init_array and friends.  Don't sort if doing relocatable link,
 877         Don't sort .ctors and .dtors if ctors_in_init_array.
 878         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
 879         (Layout::output_section_name): Add relobj parameter.  Change all
 880         callers.  Handle .ctors. and .dtors. in code rather than table.
 881         Handle .ctors and .dtors if ctors_in_init_array.
 882         (Layout::match_file_name): New function, moved from output.cc.
 883         * layout.h (class Layout): Update declarations.
 884         * output.cc: Include "layout.h".
 885         (Input_section_sort_entry::get_priority): New function.
 886         (Input_section_sort_entry::match_file_name): Just call
 887         Layout::match_file_name.
 888         (Output_section::Input_section_sort_init_fini_compare::operator()):
 889         Handle .ctors and .dtors.  Sort by explicit priority rather than
 890         by name.
 891         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
 892         * testsuite/initpri2.c: New test.
 893         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
 894         (check_PROGRAMS): Add initpri2.
 895         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
 896         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
 897         * configure, testsuite/Makefile.in: Rebuild.
 898
 899 2011-06-19  Ian Lance Taylor  <iant@google.com>
 900
 901         PR gold/12880
 902         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
 903         .interp section to a PT_INTERP segment even if we have seen a
 904         --dynamic-linker option.  Don't do it if we have seen a PHDRS
 905         clause in a linker script.
 906         (Layout::finalize): Don't create a .interp section if we've
 907         already create a PT_INTERP segment.
 908         (Layout::create_interp): Always call choose_output_section (revert
 909         patch of 2011-06-17).  Don't create PT_INTERP segment.
 910         * script-sections.cc
 911         (Script_sections::create_note_and_tls_segments): Add a .interp
 912         section to a PT_INTERP segment even if we have seen a
 913         --dynamic-linker option.
 914
 915 2011-06-18  Ian Lance Taylor  <iant@google.com>
 916
 917         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
 918         merely because a non-PT_LOAD segment has a dynamic reloc.
 919
 920 2011-06-18  Ian Lance Taylor  <iant@google.com>
 921
 922         * layout.cc (Layout::finish_dynamic_section): Don't create
 923         DT_FLAGS entry if not needed.
 924
 925 2011-06-18  Ian Lance Taylor  <iant@google.com>
 926
 927         PR gold/12745
 928         * layout.cc (Layout::layout_eh_frame): Correct handling of
 929         writable .eh_frame section.
 930
 931 2011-06-17  Ian Lance Taylor  <iant@google.com>
 932
 933         PR gold/12893
 934         * resolve.cc (Symbol_table::resolve): Don't give an error if a
 935         symbol is redefined with the exact same object and value.
 936
 937 2011-06-17  Ian Lance Taylor  <iant@google.com>
 938
 939         PR gold/12880
 940         * layout.h (class Layout): Add interp_segment_ field.
 941         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
 942         (Layout::attach_allocated_section_to_segment): If making shared
 943         library, put .interp section in PT_INTERP segment.
 944         (Layout::finalize): Also call create_interp if -dynamic-linker
 945         option was used.
 946         (Layout::create_interp): Assert that there is no PT_INTERP
 947         segment.  If not using a SECTIONS clause, use make_output_section.
 948         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
 949         * script-sections.cc
 950         (Script_sections::create_note_and_tls_segments): If making shared
 951         library, put .interp section in PT_INTERP segment.
 952
 953 2011-06-17  Ian Lance Taylor  <iant@google.com>
 954
 955         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
 956         when making a shared library.
 957
 958 2011-06-17  Ian Lance Taylor  <iant@google.com>
 959
 960         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
 961         parameter.  Change all callers.  Don't issue warning about PC32
 962         against locally defined symbol.
 963
 964 2011-06-16  Ian Lance Taylor  <iant@google.com>
 965
 966         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
 967         occurs in same object.
 968
 969 2011-06-14  Alan Modra  <amodra@gmail.com>
 970
 971         * po/POTFILES.in: Regenerate.
 972
 973 2011-06-09  Ian Lance Taylor  <iant@google.com>
 974
 975         * script-sections.cc
 976         (Orphan_output_section::set_section_addresses): For a relocatable
 977         link set address to 0.
 978
 979 2011-06-09  Cary Coutant  <ccoutant@google.com>
 980
 981         PR gold/12804
 982         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
 983         used with --compress-debug-sections.
 984         * gold/object.cc (Sized_relobj_file::do_layout): Report
 985         uncompressed size of compressed input sections.
 986
 987 2011-06-08  Cary Coutant  <ccoutant@google.com>
 988
 989         PR gold/12804
 990         * testsuite/two_file_test_2_v1.cc: Change initialization of
 991         v2 to keep it in .data.
 992
 993 2011-06-07  Cary Coutant  <ccoutant@google.com>
 994
 995         * common.cc (Symbol_table::do_allocate_commons_list): Call
 996         gold_fallback.
 997         * errors.cc (Errors::fatal): Adjust call to gold_exit.
 998         (Errors::fallback): New function.
 999         (gold_fallback): New function.
1000         * errors.h (Errors::fallback): New function.
1001         * gold.cc (gold_exit): Change status parameter to enum; adjust
1002         all callers.
1003         (queue_initial_tasks): Call gold_fallback.
1004         * gold.h: Include cstdlib.
1005         (Exit_status): New enum type.
1006         (gold_exit): Change status parameter to enum.
1007         (gold_fallback): New function.
1008         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1009         (Layout::create_symtab_sections): Likewise.
1010         (Layout::create_shdrs): Likewise.
1011         * main.cc (main): Adjust call to gold_exit.
1012         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1013         (Output_data_got::add_got_entry_pair): Likewise.
1014         (Output_section::add_input_section): Likewise.
1015         (Output_section::add_output_section_data): Likewise.
1016         (Output_segment::set_section_list_addresses): Likewise.
1017         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1018
1019 2011-06-07  Cary Coutant  <ccoutant@google.com>
1020
1021         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1022         for incremental links.
1023         * output.cc (Output_segment::set_section_list_addresses): Remove
1024         FIXME and test for TLS or BSS.
1025
1026 2011-06-07  Cary Coutant  <ccoutant@google.com>
1027
1028         * testsuite/Makefile.am: Add incremental_copy_test,
1029         incremental_common_test_1.
1030         * testsuite/Makefile.in: Regenerate.
1031         * testsuite/common_test_1_v1.c: New source file.
1032         * testsuite/common_test_1_v2.c: New source file.
1033         * testsuite/copy_test_v1.cc: New source file.
1034
1035 2011-06-07  Cary Coutant  <ccoutant@google.com>
1036
1037         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1038         update, allocate common from bss section's free list.
1039         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1040         linker-defined symbols.
1041         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1042         Skip GOT and PLT entries that are no longer referenced.
1043         (Output_section_incremental_inputs::write_info_blocks): Mark
1044         linker-defined symbols.
1045         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1046         * output.cc (Output_section::allocate): New function.
1047         * output.h (Output_section::allocate): New function.
1048         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1049         linker-defined symbols.
1050         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1051         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1052         (Symbol::init_base_output_data): Likewise.
1053         (Symbol::init_base_output_segment): Likewise.
1054         (Symbol::init_base_constant): Likewise.
1055         (Sized_symbol::init_output_data): Likewise.
1056         (Sized_symbol::init_output_segment): Likewise.
1057         (Sized_symbol::init_constant): Likewise.
1058         (Symbol_table::do_define_in_output_data): Likewise.
1059         (Symbol_table::do_define_in_output_segment): Likewise.
1060         (Symbol_table::do_define_as_constant): Likewise.
1061         * symtab.h (Symbol::is_predefined): New function.
1062         (Symbol::init_base_output_data): Add is_predefined parameter.
1063         (Symbol::init_base_output_segment): Likewise.
1064         (Symbol::init_base_constant): Likewise.
1065         (Symbol::is_predefined_): New data member.
1066         (Sized_symbol::init_output_data): Add is_predefined parameter.
1067         (Sized_symbol::init_output_segment): Likewise.
1068         (Sized_symbol::init_constant): Likewise.
1069         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1070
1071 2011-06-07  Cary Coutant  <ccoutant@google.com>
1072
1073         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1074         instead of emit_copy_reloc.
1075         (Copy_relocs::emit_copy_reloc): Refactor.
1076         (Copy_relocs::make_copy_reloc): New function.
1077         (Copy_relocs::add_copy_reloc): Remove.
1078         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1079         section.
1080         (Copy_relocs::make_copy_reloc): New function.
1081         (Copy_relocs::add_copy_reloc): Remove.
1082         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1083         unchanged input files.
1084         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1085         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1086         Reserve BSS space for COPY relocations.
1087         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1088         (Output_section_incremental_inputs::write_info_blocks): Record
1089         whether a symbol is copied from a shared object.
1090         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1091         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1092         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1093         (Incremental_input_entry_reader::get_output_symbol_index): Add
1094         is_copy parameter.
1095         (Incremental_binary::emit_copy_relocs): New function.
1096         (Incremental_binary::do_emit_copy_relocs): New function.
1097         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1098         new data member.
1099         (Sized_incremental_binary::add_copy_reloc): New function.
1100         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1101         (Sized_incremental_binary::Copy_reloc): New struct.
1102         (Sized_incremental_binary::Copy_relocs): New typedef.
1103         (Sized_incremental_binary::copy_relocs_): New data member.
1104         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1105         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1106         * target.h (Sized_target::emit_copy_reloc): New function.
1107         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1108
1109 2011-06-02  Cary Coutant  <ccoutant@google.com>
1110
1111         PR gold/12163
1112         * gold/archive.cc (Archive::Archive): Initialize new data member.
1113         (Archive::include_all_members): Return if archive has already been
1114         included.
1115         * gold/archive.h (Archive::include_all_members_): New data member.
1116
1117 2011-06-02  Nick Clifton  <nickc@redhat.com>
1118
1119         * dynobj.h: Fix spelling mistake in comment.
1120         * output.cc: Likewise.
1121
1122 2011-05-31  Doug Kwan  <dougkwan@google.com>
1123             Asier Llano
1124
1125         PR gold/12826
1126         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1127         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1128         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1129         redundant arm_exidx_test.so.
1130         * testsuite/Makefile.in: Regenerate.
1131         (check_SCRIPTS): Add pr12826.sh
1132         (check_DATA): Add pr12826.stdout
1133         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1134         * testsuite/pr12826.sh: New file.
1135         * testsuite/pr12826_1.s: Ditto.
1136         * testsuite/pr12826_1.s: Ditto.
1137
1138 2011-05-30  Ian Lance Taylor  <iant@google.com>
1139
1140         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1141         sections.
1142
1143 2011-05-29  Ian Lance Taylor  <iant@google.com>
1144
1145         PR gold/12804
1146         * testsuite/Makefile.am: Use different file name for two_file_test
1147         temporary file for each incremental test.
1148         * testsuite/Makefile.in: Rebuild.
1149
1150 2011-05-29  Ian Lance Taylor  <iant@google.com>
1151
1152         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1153         binary input file is empty.
1154
1155 2011-05-27  Ian Lance Taylor  <iant@google.com>
1156
1157         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1158         (ver_test_9.so): Likewise.
1159         * testsuite/Makefile.in: Rebuild.
1160
1161 2011-05-26 Cary Coutant  <ccoutant@google.com>
1162
1163         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1164         * incremental.cc (Incremental_inputs::report_input_section): Fix
1165         comment, indentation.
1166         (Incremental_inputs::report_comdat_group): New function.
1167         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1168         of data for incremental input file entry.
1169         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1170         group count, COMDAT group signatures.
1171         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1172         an unchanged input file.
1173         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1174         Initialize new data member.
1175         (Incremental_object_entry::add_comdat_group): New function.
1176         (Incremental_object_entry::get_comdat_group_count): New function.
1177         (Incremental_object_entry::get_comdat_signature_key): New function.
1178         (Incremental_object_entry::groups_): New data member.
1179         (Incremental_inputs::report_comdat_group): New function.
1180         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1181         data for incremental input file entry.
1182         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1183         (Incremental_input_entry_reader::get_input_section): Adjust size of
1184         data for incremental input file entry.
1185         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1186         (Incremental_input_entry_reader::get_comdat_group_signature): New
1187         function.
1188         * object.cc (Sized_relobj::include_section_group): Report kept
1189         COMDAT groups for incremental links.
1190
1191 2011-05-24  David Meyer  <pdox@google.com>
1192
1193         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1194         with name parameter.  Add found_name parameter.
1195         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1196         * dirsearch.h (class Dirsearch): Update declaration.
1197
1198 2011-05-24  Ian Lance Taylor  <iant@google.com>
1199
1200         * archive.cc (Library_base::should_include_member): Pull in object
1201         from archive if it defines the entry symbol.
1202         * parameters.cc (Parameters::entry): New function.
1203         * parameters.h (class Parameters): Declare entry.
1204         * output.h (class Output_file_header): Remove entry_ field.
1205         * output.cc (Output_file_header::Output_file_header): Remove entry
1206         parameter.  Change all callers.
1207         (Output_file_header::entry): Use parameters->entry.
1208         * gold.cc (queue_middle_tasks): Likewise.
1209         * plugin.cc (Plugin_hook::run): Likewise.
1210
1211 2011-05-24 Cary Coutant  <ccoutant@google.com>
1212
1213         * gold.cc (queue_initial_tasks): Pass incremental base filename
1214         to Output_file::open_base_file; don't print error message.
1215         * incremental-dump.cc (main): Adjust call to
1216         Output_file::open_for_modification.
1217         * incremental-dump.cc (main): Likewise.
1218         * incremental.cc (Incremental_inputs::report_command_line):
1219         Ignore --incremental-base option when comparing command lines.
1220         Ignore parameter when given as separate argument.
1221         * options.h (class General_options): Add --incremental-base.
1222         * output.cc (Output_file::Output_file):
1223         (Output_file::open_base_file): Add base_name and writable parameters;
1224         read base file into new file; print error message here.
1225         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1226         callers.
1227         * output.h (Output_file::open_for_modification): Rename to...
1228         (Output_file::open_base_file): ...this; add base_name and
1229         writable parameters; adjust all callers.
1230         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1231         callers.
1232         * testsuite/Makefile.am (incremental_test_4): Test
1233         --incremental-base.
1234         * testsuite/Makefile.in: Regenerate.
1235
1236 2011-05-24 Cary Coutant  <ccoutant@google.com>
1237
1238         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1239         incremental_test_4.
1240         * testsuite/Makefile.in: Regenerate.
1241         * testsuite/two_file_test_1_v1.cc: New test source file.
1242         * testsuite/two_file_test_1b_v1.cc: New test source file.
1243         * testsuite/two_file_test_2_v1.cc: New test source file.
1244
1245 2011-05-24 Cary Coutant  <ccoutant@google.com>
1246
1247         * dynobj.h (Dynobj::do_dynobj): New function.
1248         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1249         flag and soname for shared objects.
1250         * incremental.cc (Incremental_inputs::report_object): Make
1251         either Incremental_object_entry or Incremental_dynobj_entry; add
1252         soname to string table.
1253         (Incremental_inputs::report_input_section): Add assertion.
1254         (Output_section_incremental_inputs::set_final_data_size): Adjust
1255         type of input file entry for shared libraries; adjust size of
1256         shared library info entry.
1257         (Output_section_incremental_inputs::write_input_files): Write
1258         as_needed flag for shared libraries.
1259         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1260         of input file entry for shared libraries; write soname.
1261         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1262         soname from incremental info.
1263         * incremental.h (enum Incremental_input_flags): Add
1264         INCREMENTAL_INPUT_AS_NEEDED.
1265         (Incremental_input_entry::Incremental_input_entry): Initialize new
1266         data member.
1267         (Incremental_input_entry::set_as_needed): New function.
1268         (Incremental_input_entry::as_needed): New function.
1269         (Incremental_input_entry::do_dynobj_entry): New function.
1270         (Incremental_input_entry::as_needed_): New data member.
1271         (Incremental_object_entry::Incremental_object_entry): Don't check
1272         for shared library.
1273         (Incremental_object_entry::do_type): Likewise.
1274         (class Incremental_dynobj_entry): New class.
1275         (Incremental_input_entry_reader::as_needed): New function.
1276         (Incremental_input_entry_reader::get_soname): New function.
1277         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1278         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1279         size of shared library info entry.
1280         * layout.cc (Layout::finish_dynamic_section): Don't test for
1281         incremental link when adding DT_NEEDED entries.
1282         * object.h (Object::Object): Initialize new data member.
1283         (Object::dynobj): New function.
1284         (Object::set_as_needed): New function.
1285         (Object::as_needed): New function.
1286         (Object::do_dynobj): New function.
1287         (Object::as_needed_): New data member.
1288
1289 2011-05-24 Cary Coutant  <ccoutant@google.com>
1290
1291         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1292         info; adjust display of GOT entries.
1293         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1294         vector of input objects; remove file_status_.
1295         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1296         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1297         got_plt reader; call target hooks to reserve GOT entries.
1298         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1299         of input file info header and GOT info entry.
1300         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1301         relocation info.
1302         (Got_plt_view_info::got_descriptor): Remove.
1303         (Got_plt_view_info::sym_index): New data member.
1304         (Got_plt_view_info::input_index): New data member.
1305         (Local_got_offset_visitor::visit): Write input file index.
1306         (Global_got_offset_visitor::visit): Write 0 for input file index.
1307         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1308         with sym_index and input_index.
1309         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1310         incremental info GOT entry; replace got_descriptor with input_index.
1311         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1312         map from input file index to object.
1313         (Sized_relobj_incr::do_layout): Replace direct data member reference
1314         with accessor function.
1315         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1316         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1317         Adjust size of input file info header.
1318         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1319         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1320         (Incremental_input_entry_reader::get_input_section): Adjust size of
1321         input file info header.
1322         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1323         of incremental info GOT entry.
1324         (Incremental_got_plt_reader::get_got_desc): Remove.
1325         (Incremental_got_plt_reader::get_got_symndx): New function.
1326         (Incremental_got_plt_reader::get_got_input_index): New function.
1327         (Sized_incremental_binary::Sized_incremental_binary): Remove
1328         file_status_; add input_objects_.
1329         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1330         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1331         (Sized_incremental_binary::file_is_unchanged): Remove.
1332         (Sized_incremental_binary::set_input_object): New function.
1333         (Sized_incremental_binary::input_object): New function.
1334         (Sized_incremental_binary::file_status_): Remove.
1335         (Sized_incremental_binary::input_objects_): New data member.
1336         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1337         references.
1338         (Sized_relobj_incr::invalid_address): Move to base class.
1339         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1340         class.
1341         (Sized_relobj_incr::do_output_section_offset): Likewise.
1342         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1343         (Sized_relobj_incr::section_offsets_): Likewise.
1344         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1345         function.
1346         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1347         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1348         with accessor function.
1349         (Sized_relobj_file::do_layout): Likewise.
1350         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1351         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1352         (Sized_relobj_file::compute_final_local_value): Replace refs to
1353         section_offsets_ with accessor function.
1354         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1355         * object.h (Relobj::Relobj): Initialize new data members.
1356         (Relobj::add_dyn_reloc): New function.
1357         (Relobj::first_dyn_reloc): New function.
1358         (Relobj::dyn_reloc_count): New function.
1359         (Relobj::first_dyn_reloc_): New data member.
1360         (Relobj::dyn_reloc_count_): New data member.
1361         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1362         references.
1363         (Sized_relobj::Address): New typedef.
1364         (Sized_relobj::invalid_address): Move here from child class.
1365         (Sized_relobj::Sized_relobj): Initialize new data members.
1366         (Sized_relobj::sized_relobj): New function.
1367         (Sized_relobj::is_output_section_offset_invalid): Move here from
1368         child class.
1369         (Sized_relobj::get_output_section_offset): Likewise.
1370         (Sized_relobj::local_has_got_offset): Likewise.
1371         (Sized_relobj::local_got_offset): Likewise.
1372         (Sized_relobj::set_local_got_offset): Likewise.
1373         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1374         (Sized_relobj::clear_got_offsets): New function.
1375         (Sized_relobj::section_offsets): Move here from child class.
1376         (Sized_relobj::do_output_section_offset): Likewise.
1377         (Sized_relobj::do_set_section_offset): Likewise.
1378         (Sized_relobj::Local_got_offsets): Likewise.
1379         (Sized_relobj::local_got_offsets_): Likewise.
1380         (Sized_relobj::section_offsets_): Likewise.
1381         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1382         references.
1383         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1384         class.
1385         (Sized_relobj_file::sized_relobj): New function
1386         (Sized_relobj_file::local_has_got_offset): Move to base class.
1387         (Sized_relobj_file::local_got_offset): Likewise.
1388         (Sized_relobj_file::set_local_got_offset): Likewise.
1389         (Sized_relobj_file::get_output_section_offset): Likewise.
1390         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1391         (Sized_relobj_file::do_output_section_offset): Likewise.
1392         (Sized_relobj_file::do_set_section_offset): Likewise.
1393         (Sized_relobj_file::Local_got_offsets): Likewise.
1394         (Sized_relobj_file::local_got_offsets_): Likewise.
1395         (Sized_relobj_file::section_offsets_): Likewise.
1396         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1397         (all constructors).
1398         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1399         (Output_reloc::get_symbol_index): Likewise.
1400         (Output_reloc::local_section_offset): Likewise.
1401         (Output_reloc::get_address): Likewise.
1402         (Output_reloc::symbol_value): Likewise.
1403         (Output_data_got::reserve_slot): Move to class definition.
1404         (Output_data_got::reserve_local): New function.
1405         (Output_data_got::reserve_slot_for_global): Remove.
1406         (Output_data_got::reserve_global): New function.
1407         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1408         (all constructors, two instantiations).
1409         (Output_reloc::get_relobj): New function (two instantiations).
1410         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1411         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1412         (Output_data_reloc::add_global): Adjust type of relobj.
1413         (Output_data_reloc::add_global_relative): Likewise.
1414         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1415         (Output_data_reloc::add_local): Likewise.
1416         (Output_data_reloc::add_local_relative): Likewise.
1417         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1418         (Output_data_reloc::add_local_section): Likewise.
1419         (Output_data_reloc::add_output_section): Likewise.
1420         (Output_data_reloc::add_absolute): Likewise.
1421         (Output_data_reloc::add_target_specific): Likewise.
1422         (Output_data_got::reserve_slot): Move definition here.
1423         (Output_data_got::reserve_local): New function.
1424         (Output_data_got::reserve_global): New function.
1425         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1426         section_offsets_ with accessor function.
1427         (Sized_relobj_file::write_sections): Likewise.
1428         (Sized_relobj_file::do_relocate_sections): Likewise.
1429         * target.h (Sized_target::reserve_local_got_entry): New function.
1430         (Sized_target::reserve_global_got_entry): New function.
1431         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1432         (Target_x86_64::reserve_global_got_entry): New function.
1433         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1434
1435 2011-05-23 Cary Coutant  <ccoutant@google.com>
1436
1437         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1438         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1439         bit when checking got_type.
1440         * incremental.cc (Sized_incremental_binary::setup_readers):
1441         Store symbol table and string table locations; initialize bit vector
1442         of file status flags.
1443         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1444         unchanged files.
1445         (Sized_incremental_binary::do_process_got_plt): New function.
1446         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1447         (Output_section_incremental_inputs::set_final_data_size): Record
1448         file index for each input file.
1449         (Output_section_incremental_inputs::write_got_plt): Store file index
1450         instead of input entry offset for each GOT entry.
1451         * incremental.h
1452         (Incremental_input_entry::Incremental_input_entry): Initialize new
1453         data member.
1454         (Incremental_input_entry::set_offset): Store file index.
1455         (Incremental_input_entry::get_file_index): New function.
1456         (Incremental_input_entry::file_index_): New data member.
1457         (Incremental_binary::process_got_plt): New function.
1458         (Incremental_binary::do_process_got_plt): New function.
1459         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1460         data members.
1461         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1462         (Sized_incremental_binary::set_file_is_unchanged): New function.
1463         (Sized_incremental_binary::file_is_unchanged): New function.
1464         (Sized_incremental_binary::do_process_got_plt): New function.
1465         (Sized_incremental_binary::file_status_): New data member.
1466         (Sized_incremental_binary::main_symtab_loc_): New data member.
1467         (Sized_incremental_binary::main_strtab_loc_): New data member.
1468         * output.cc (Output_data_got::Got_entry::write): Add case
1469         RESERVED_CODE.
1470         (Output_data_got::add_global): Call add_got_entry.
1471         (Output_data_got::add_global_plt): Likewise.
1472         (Output_data_got::add_global_with_rel): Likewise.
1473         (Output_data_got::add_global_with_rela): Likewise.
1474         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1475         (Output_data_got::add_global_pair_with_rela): Likewise.
1476         (Output_data_got::add_local): Call add_got_entry.
1477         (Output_data_got::add_local_plt): Likewise.
1478         (Output_data_got::add_local_with_rel): Likewise.
1479         (Output_data_got::add_local_with_rela): Likewise.
1480         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1481         (Output_data_got::add_local_pair_with_rela): Likewise.
1482         (Output_data_got::reserve_slot): New function.
1483         (Output_data_got::reserve_slot_for_global): New function.
1484         (Output_data_got::add_got_entry): New function.
1485         (Output_data_got::add_got_entry_pair): New function.
1486         (Output_section::add_output_section_data): Edit FIXME.
1487         * output.h
1488         (Output_section_data_build::Output_section_data_build): New
1489         constructor with size parameter.
1490         (Output_data_space::Output_data_space): Likewise.
1491         (Output_data_got::Output_data_got): Initialize new data member; new
1492         constructor with size parameter.
1493         (Output_data_got::add_constant): Call add_got_entry.
1494         (Output_data_got::reserve_slot): New function.
1495         (Output_data_got::reserve_slot_for_global): New function.
1496         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1497         (Output_data_got::add_got_entry): New function.
1498         (Output_data_got::add_got_entry_pair): New function.
1499         (Output_data_got::free_list_): New data member.
1500         * target.h (Sized_target::init_got_plt_for_update): New function.
1501         (Sized_target::register_global_plt_entry): New function.
1502         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1503         Initialize new data member; call init; add constructor with PLT count.
1504         (Output_data_plt_x86_64::init): New function.
1505         (Output_data_plt_x86_64::add_relocation): New function.
1506         (Output_data_plt_x86_64::reserve_slot): New function.
1507         (Output_data_plt_x86_64::free_list_): New data member.
1508         (Target_x86_64::init_got_plt_for_update): New function.
1509         (Target_x86_64::register_global_plt_entry): New function.
1510         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1511         incremental updates.
1512         (Output_data_plt_x86_64::add_relocation): New function.
1513         * testsuite/object_unittest.cc (Object_test): Set default options.
1514
1515 2011-05-16  Ian Lance Taylor  <iant@google.com>
1516
1517         * options.h (class General_options): Make -i a synonym for -r.
1518
1519 2011-05-16  Ian Lance Taylor  <iant@google.com>
1520
1521         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1522
1523 2011-05-10 Cary Coutant  <ccoutant@google.com>
1524
1525         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1526         strip_all (-s).
1527
1528 2011-05-06  Ian Lance Taylor  <iant@google.com>
1529
1530         * layout.cc (Layout::layout): If the output section flags change,
1531         update the ordering.
1532
1533 2011-04-25 Cary Coutant  <ccoutant@google.com>
1534
1535         * incremental-dump.cc (dump_incremental_inputs): Print local
1536         symbol info for each input file.
1537         * incremental.cc
1538         (Output_section_incremental_inputs::set_final_data_size): Add local
1539         symbol info to input file entries in incremental info.
1540         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1541         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1542         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1543         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1544         implementation.
1545         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1546         (Sized_incr_relobj::do_relocate): Write the local symbols.
1547         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1548         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1549         Adjust size of input file header.
1550         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1551         (Incremental_inputs_reader::get_local_symbol_count): New function.
1552         (Incremental_inputs_reader::get_input_section): Adjust size of input
1553         file header.
1554         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1555         (Sized_incr_relobj::This): New typedef.
1556         (Sized_incr_relobj::sym_size): New const data member.
1557         (Sized_incr_relobj::Local_symbol): New struct.
1558         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1559         (Sized_incr_relobj::do_local_symbol_offset): New function.
1560         (Sized_incr_relobj::local_symbol_count_): New data member.
1561         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1562         (Sized_incr_relobj::local_symbol_index_): New data member.
1563         (Sized_incr_relobj::local_symbol_offset_): New data member.
1564         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1565         (Sized_incr_relobj::local_symbols_): New data member.
1566         * object.h (Relobj::output_local_symbol_count): New function.
1567         (Relobj::local_symbol_offset): New function.
1568         (Relobj::do_output_local_symbol_count): New function.
1569         (Relobj::do_local_symbol_offset): New function.
1570         (Sized_relobj::do_output_local_symbol_count): New function.
1571         (Sized_relobj::do_local_symbol_offset): New function.
1572
1573 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1574
1575         * descriptors.cc (set_close_on_exec): New function.
1576         (Descriptors::open): Use set_close_on_exec.
1577         * output.cc (S_ISLNK): Define if not defined.
1578
1579 2011-04-22 Cary Coutant  <ccoutant@google.com>
1580
1581         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1582         global symbol map.
1583         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1584         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1585         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1586         relocations.
1587         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1588         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1589         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1590         * incremental.h
1591         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1592         function.
1593         (Incremental_binary::apply_incremental_relocs): New function.
1594         (Incremental_binary::do_apply_incremental_relocs): New function.
1595         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1596         data member.
1597         (Sized_incremental_binary::add_global_symbol): New function.
1598         (Sized_incremental_binary::global_symbol): New function.
1599         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1600         (Sized_incremental_binary::symbol_map_): New data member.
1601         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1602         * target.h (Sized_target::apply_relocation): New function.
1603         * target-reloc.h (apply_relocation): New function.
1604         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1605
1606 2011-04-22  Doug Kwan  <dougkwan@google.com>
1607
1608         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1609         flag of a SHT_ARM_EXIDX section.
1610         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1611         * testsuite/Makefile.in: Regenerate.
1612         * testsuite/arm_exidx_test.s: New file.
1613         * testsuite/arm_exidx_test.sh: Same.
1614
1615 2011-04-20 Cary Coutant  <ccoutant@google.com>
1616
1617         PR gold/12689
1618         * archive.h (Incremental_archive_entry::Archive_member):
1619         Initialize arg_serial_ (second constructor).
1620
1621 2011-04-17  Ian Lance Taylor  <iant@google.com>
1622
1623         * object.cc (Relocate_info::location): Simplify location string.
1624         * errors.cc (Errors::error_at_location): Don't print program
1625         name.
1626         (Errors::warning_at_location): Likewise.
1627         (Errors::undefined_symbol): Likewise.
1628         * testsuite/debug_msg.sh: Update accordingly.
1629
1630 2011-04-14 Cary Coutant  <ccoutant@google.com>
1631
1632         * gold/layout.cc (Layout::symtab_section_offset): New function.
1633         * gold/layout.h (Layout::symtab_section_offset): New function.
1634         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1635
1636 2011-04-12  Ian Lance Taylor  <iant@google.com>
1637
1638         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1639         with MREMAP_MAYMOVE.
1640         * output.h (class Output_file): Add map_is_allocated_ field.
1641         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1642         not available, provide stubs.  If mremap is not available, #define
1643         it to gold_mremap.
1644         (MREMAP_MAYMOVE): Define if not defined.
1645         (Output_file::Output_file): Initialize map_is_allocated_.
1646         (Output_file::resize): Check map_is_allocated_.
1647         (Output_file::map_anonymous): If mmap fails, use malloc.
1648         (Output_file::unmap): Don't do anything for an anonymous map.
1649         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1650         is not available, provide stubs.
1651         (File_read::View::~View): Use free rather than delete[].
1652         (File_read::make_view): Use malloc rather than new[].  If mmap
1653         fails, use malloc.
1654         (File_read::find_or_make_view): Use malloc rather than new[].
1655         * gold.h: Remove HAVE_REMAP code.
1656         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1657         exists.  Rename mremap to gold_mremap.  If mmap is not available
1658         don't do anything.
1659         * configure, config.in: Rebuild.
1660
1661 2011-04-11  Ian Lance Taylor  <iant@google.com>
1662
1663         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1664         initialize local variable v.
1665
1666 2011-04-11  Cary Coutant  <ccoutant@google.com>
1667
1668         * archive.cc (Archive::include_member): Adjust call to
1669         report_object.
1670         (Add_archive_symbols::run): Track argument serial numbers.
1671         (Lib_group::include_member): Likewise.
1672         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1673         * archive.h (Incremental_archive_entry::Archive_member):
1674         Initialize arg_serial_.
1675         (Archive_member::arg_serial_): New data member.
1676         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1677         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1678         incremental link.
1679         (Sized_dynobj::do_for_all_local_got_entries): New function.
1680         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1681         function.
1682         * fileread.cc (get_mtime): New function.
1683         * fileread.h (get_mtime): New function.
1684         * gold.cc (queue_initial_tasks): Check for incremental update.
1685         (process_incremental_input): New function.
1686         (queue_middle_tasks): Don't force valid target for incremental
1687         update.
1688         * incremental-dump.cc (find_input_containing_global): Adjust
1689         size of symbol info entry.
1690         (dump_incremental_inputs): Dump argument serial number and
1691         in_system_directory flag; bias shndx by 1; print symbol names
1692         when dumping per-file symbol lists; use new symbol info readers.
1693         * incremental.cc
1694         (Output_section_incremental_inputs:update_data_size): New function.
1695         (Sized_incremental_binary::setup_readers): Setup input readers
1696         for each input file; build maps for files added from libraries
1697         and scripts.
1698         (Sized_incremental_binary::check_input_args): New function.
1699         (Sized_incremental_binary::do_check_inputs): Build map of argument
1700         serial numbers to input arguments.
1701         (Sized_incremental_binary::do_file_has_changed): Rename
1702         do_file_is_unchanged to this; compare file modification times.
1703         (Sized_incremental_binary::do_init_layout): New function.
1704         (Sized_incremental_binary::do_reserve_layout): New function.
1705         (Sized_incremental_binary::do_get_input_reader): Remove.
1706         (Sized_incremental_binary::get_symtab_view): New function.
1707         (Incremental_checker::can_incrementally_link_output_file): Remove.
1708         (Incremental_inputs::report_command_line): Exclude --debug options.
1709         (Incremental_inputs::report_archive_begin): Add parameter; track
1710         argument serial numbers; don't put input file entry for archive
1711         before archive members.
1712         (Incremental_inputs::report_archive_end): Put input file entry
1713         for archive after archive members.
1714         (Incremental_inputs::report_object): Add parameter; track argument
1715         serial numbers and in_system_directory flag.
1716         (Incremental_inputs::report_script): Add parameter; track argument
1717         serial numbers.
1718         (Output_section_incremental_inputs::set_final_data_size): Adjust
1719         size of symbol info entry; check for forwarding symbols.
1720         (Output_section_incremental_inputs::write_input_files): Write
1721         in_system_directory flag and argument serial number.
1722         (Output_section_incremental_inputs::write_info_blocks): Map section
1723         indices between incremental info and original input file; store
1724         input section index for each symbol.
1725         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1726         change operator() to visit().
1727         (class Global_got_offset_visitor): Likewise.
1728         (class Global_symbol_visitor_got_plt):
1729         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1730         classes.
1731         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1732         (Sized_incr_relobj::do_read_symbols): New function.
1733         (Sized_incr_relobj::do_layout): New function.
1734         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1735         (Sized_incr_relobj::do_add_symbols): New function.
1736         (Sized_incr_relobj::do_should_include_member): New function.
1737         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1738         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1739         (Sized_incr_relobj::do_section_size): New function.
1740         (Sized_incr_relobj::do_section_name): New function.
1741         (Sized_incr_relobj::do_section_contents): New function.
1742         (Sized_incr_relobj::do_section_flags): New function.
1743         (Sized_incr_relobj::do_section_entsize): New function.
1744         (Sized_incr_relobj::do_section_address): New function.
1745         (Sized_incr_relobj::do_section_type): New function.
1746         (Sized_incr_relobj::do_section_link): New function.
1747         (Sized_incr_relobj::do_section_info): New function.
1748         (Sized_incr_relobj::do_section_addralign): New function.
1749         (Sized_incr_relobj::do_initialize_xindex): New function.
1750         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1751         (Sized_incr_relobj::do_read_relocs): New function.
1752         (Sized_incr_relobj::do_gc_process_relocs): New function.
1753         (Sized_incr_relobj::do_scan_relocs): New function.
1754         (Sized_incr_relobj::do_count_local_symbols): New function.
1755         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1756         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1757         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1758         (Sized_incr_relobj::do_relocate): New function.
1759         (Sized_incr_relobj::do_set_section_offset): New function.
1760         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1761         (Sized_incr_dynobj::do_read_symbols): New function.
1762         (Sized_incr_dynobj::do_layout): New function.
1763         (Sized_incr_dynobj::do_add_symbols): New function.
1764         (Sized_incr_dynobj::do_should_include_member): New function.
1765         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1766         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1767         (Sized_incr_dynobj::do_section_size): New function.
1768         (Sized_incr_dynobj::do_section_name): New function.
1769         (Sized_incr_dynobj::do_section_contents): New function.
1770         (Sized_incr_dynobj::do_section_flags): New function.
1771         (Sized_incr_dynobj::do_section_entsize): New function.
1772         (Sized_incr_dynobj::do_section_address): New function.
1773         (Sized_incr_dynobj::do_section_type): New function.
1774         (Sized_incr_dynobj::do_section_link): New function.
1775         (Sized_incr_dynobj::do_section_info): New function.
1776         (Sized_incr_dynobj::do_section_addralign): New function.
1777         (Sized_incr_dynobj::do_initialize_xindex): New function.
1778         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1779         (make_sized_incremental_object): New function.
1780         (Incremental_library::copy_unused_symbols): New function.
1781         (Incremental_library::do_for_all_unused_symbols): New function.
1782         * incremental.h (enum Incremental_input_flags): New type.
1783         (class Incremental_checker): Remove.
1784         (Incremental_input_entry::Incremental_input_entry): Add argument
1785         serial number.
1786         (Incremental_input_entry::arg_serial): New function.
1787         (Incremental_input_entry::set_is_in_system_directory): New function.
1788         (Incremental_input_entry::is_in_system_directory): New function.
1789         (Incremental_input_entry::arg_serial_): New data member.
1790         (Incremental_input_entry::is_in_system_directory_): New data member.
1791         (class Script_info): Move here from script.h.
1792         (Script_info::Script_info): Add filename parameter.
1793         (Script_info::filename): New function.
1794         (Script_info::filename_): New data member.
1795         (Incremental_script_entry::Incremental_script_entry): Add argument
1796         serial number.
1797         (Incremental_object_entry::Incremental_object_entry): Likewise.
1798         (Incremental_object_entry::add_input_section): Build list of input
1799         sections with map to original shndx.
1800         (Incremental_object_entry::get_input_section_index): New function.
1801         (Incremental_object_entry::shndx_): New data member.
1802         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1803         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1804         (Incremental_archive_entry::Incremental_archive_entry): Add argument
1805         serial number.
1806         (Incremental_inputs::report_archive_begin): Likewise.
1807         (Incremental_inputs::report_object): Likewise.
1808         (Incremental_inputs::report_script): Likewise.
1809         (class Incremental_global_symbol_reader): New class.
1810         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1811         and store flags and input file type.
1812         (Incremental_input_entry_reader::arg_serial): New function.
1813         (Incremental_input_entry_reader::type): Extract type from flags.
1814         (Incremental_input_entry_reader::is_in_system_directory): New function.
1815         (Incremental_input_entry_reader::get_input_section_count): Call
1816         accessor function for type.
1817         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1818         function for type; adjust size of global symbol entry.
1819         (Incremental_input_entry_reader::get_global_symbol_count): Call
1820         accessor function for type.
1821         (Incremental_input_entry_reader::get_object_count): Likewise.
1822         (Incremental_input_entry_reader::get_object_offset): Likewise.
1823         (Incremental_input_entry_reader::get_member_count): Likewise.
1824         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1825         (Incremental_input_entry_reader::get_member_offset): Likewise.
1826         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1827         (Incremental_input_entry_reader::Global_symbol_info): Remove.
1828         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1829         (Incremental_input_entry_reader::get_global_symbol_reader): New
1830         function.
1831         (Incremental_input_entry_reader::get_output_symbol_index): New
1832         function.
1833         (Incremental_input_entry_reader::type_): Remove.
1834         (Incremental_input_entry_reader::flags_): New data member.
1835         (Incremental_inputs_reader::input_file_offset): New function.
1836         (Incremental_inputs_reader::input_file_index): New function.
1837         (Incremental_inputs_reader::input_file): Call input_file_offset.
1838         (Incremental_inputs_reader::input_file_at_offset): New function.
1839         (Incremental_relocs_reader::get_r_type): Reformat.
1840         (Incremental_relocs_reader::get_r_shndx): Reformat.
1841         (Incremental_relocs_reader::get_r_offset): Reformat.
1842         (Incremental_relocs_reader::data): New function.
1843         (Incremental_binary::Incremental_binary): Initialize new data members.
1844         (Incremental_binary::check_inputs): Add cmdline parameter.
1845         (Incremental_binary::file_is_unchanged): Remove.
1846         (Input_reader::arg_serial): New function.
1847         (Input_reader::get_unused_symbol_count): New function.
1848         (Input_reader::get_unused_symbol): New function.
1849         (Input_reader::do_arg_serial): New function.
1850         (Input_reader::do_get_unused_symbol_count): New function.
1851         (Input_reader::do_get_unused_symbol): New function.
1852         (Incremental_binary::input_file_count): New function.
1853         (Incremental_binary::get_input_reader): Change signature to use
1854         index instead of filename.
1855         (Incremental_binary::file_has_changed): New function.
1856         (Incremental_binary::get_input_argument): New function.
1857         (Incremental_binary::get_library): New function.
1858         (Incremental_binary::get_script_info): New function.
1859         (Incremental_binary::init_layout): New function.
1860         (Incremental_binary::reserve_layout): New function.
1861         (Incremental_binary::output_file): New function.
1862         (Incremental_binary::do_check_inputs): New function.
1863         (Incremental_binary::do_file_is_unchanged): Remove.
1864         (Incremental_binary::do_file_has_changed): New function.
1865         (Incremental_binary::do_init_layout): New function.
1866         (Incremental_binary::do_reserve_layout): New function.
1867         (Incremental_binary::do_input_file_count): New function.
1868         (Incremental_binary::do_get_input_reader): Change signature.
1869         (Incremental_binary::input_args_map_): New data member.
1870         (Incremental_binary::library_map_): New data member.
1871         (Incremental_binary::script_map_): New data member.
1872         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1873         new data members.
1874         (Sized_incremental_binary::output_section): New function.
1875         (Sized_incremental_binary::inputs_reader): Add const.
1876         (Sized_incremental_binary::symtab_reader): Add const.
1877         (Sized_incremental_binary::relocs_reader): Add const.
1878         (Sized_incremental_binary::got_plt_reader): Add const.
1879         (Sized_incremental_binary::get_symtab_view): New function.
1880         (Sized_incremental_binary::Inputs_reader): New typedef.
1881         (Sized_incremental_binary::Input_entry_reader): New typedef.
1882         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
1883         (Sized_incremental_binary::do_file_is_unchanged): Remove.
1884         (Sized_incremental_binary::do_file_has_changed): New function.
1885         (Sized_incremental_binary::do_init_layout): New function.
1886         (Sized_incremental_binary::do_reserve_layout): New function.
1887         (Sized_input_reader::Inputs_reader): Remove.
1888         (Sized_input_reader::Input_entry_reader): Remove.
1889         (Sized_input_reader::do_arg_serial): New function.
1890         (Sized_input_reader::do_get_unused_symbol_count): New function.
1891         (Sized_input_reader::do_get_unused_symbol): New function.
1892         (Sized_incremental_binary::do_input_file_count): New function.
1893         (Sized_incremental_binary::do_get_input_reader): Change signature;
1894         use index instead of filename.
1895         (Sized_incremental_binary::section_map_): New data member.
1896         (Sized_incremental_binary::input_entry_readers_): New data member.
1897         (class Sized_incr_relobj): New class.
1898         (class Sized_incr_dynobj): New class.
1899         (make_sized_incremental_object): New function.
1900         (class Incremental_library): New class.
1901         * layout.cc (Free_list::num_lists): New static data member.
1902         (Free_list::num_nodes): New static data member.
1903         (Free_list::num_removes): New static data member.
1904         (Free_list::num_remove_visits): New static data member.
1905         (Free_list::num_allocates): New static data member.
1906         (Free_list::num_allocate_visits): New static data member.
1907         (Free_list::init): New function.
1908         (Free_list::remove): New function.
1909         (Free_list::allocate): New function.
1910         (Free_list::dump): New function.
1911         (Free_list::print_stats): New function.
1912         (Layout_task_runner::run): Resize output file for incremental updates.
1913         (Layout::Layout): Initialize new data members.
1914         (Layout::set_incremental_base): New function.
1915         (Layout::init_fixed_output_section): New function.
1916         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
1917         incremental updates.
1918         (Layout::create_gold_note): Do not create gold note section for
1919         incremental updates.
1920         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
1921         for incremental updates.
1922         (Layout::set_section_offsets): For incremental updates, allocate space
1923         from free list.
1924         (Layout::create_symtab_sections): Layout with offsets relative to
1925         start of section; for incremental updates, allocate space from free
1926         list.
1927         (Layout::create_shdrs): For incremental updates, allocate space from
1928         free list.
1929         (Layout::finish_dynamic_section): For incremental updates, do not
1930         check --as-needed (fixed in subsequent patch).
1931         * layout.h (class Free_list): New class.
1932         (Layout::set_incremental_base): New function.
1933         (Layout::incremental_base): New function.
1934         (Layout::init_fixed_output_section): New function.
1935         (Layout::allocate): New function.
1936         (Layout::incremental_base_): New data member.
1937         (Layout::free_list_): New data member.
1938         * main.cc (main): Print Free_list statistics.
1939         * object.cc (Relobj::finalize_incremental_relocs): Add
1940         clear_counts parameter; clear counts only when clear_counts is set.
1941         (Sized_relobj::Sized_relobj): Initialize new base class.
1942         (Sized_relobj::do_layout): Don't report special sections.
1943         (Sized_relobj::do_for_all_local_got_entries): New function.
1944         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
1945         symtab_off to all symbol table offsets.
1946         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
1947         * object.h (class Got_offset_list): Move to top of file.
1948         (Object::Object): Allow case where input_file == NULL.
1949         (Object::~Object): Likewise.
1950         (Object::input_file): Assert that input_file != NULL.
1951         (Object::lock): Allow case where input_file == NULL.
1952         (Object::unlock): Likewise.
1953         (Object::is_locked): Likewise.
1954         (Object::token): Likewise.
1955         (Object::release): Likewise.
1956         (Object::is_incremental): New function.
1957         (Object::get_mtime): New function.
1958         (Object::for_all_local_got_entries): New function.
1959         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
1960         (Object::set_is_in_system_directory): New function.
1961         (Object::is_in_system_directory): New function.
1962         (Object::do_is_incremental): New function.
1963         (Object::do_get_mtime): New function.
1964         (Object::do_for_all_local_got_entries): New function.
1965         (Object::is_in_system_directory_): New data member.
1966         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
1967         (class Sized_relobj_base): New class.
1968         (class Sized_relobj): Derive from Sized_relobj_base.
1969         (class Sized_relobj::Symbols): Redeclare from base class.
1970         (class Sized_relobj::local_got_offset_list): Remove.
1971         (class Sized_relobj::Output_sections): Redeclare from base class.
1972         (class Sized_relobj::do_for_all_local_got_entries): New function.
1973         (class Sized_relobj::write_local_symbols): Add offset parameter.
1974         (class Sized_relobj::local_symbol_offset_): Update comment.
1975         (class Sized_relobj::local_dynsym_offset_): Update comment.
1976         * options.cc (Input_arguments::add_file): Remove const.
1977         * options.h (Input_file_argument::Input_file_argument):
1978         Initialize arg_serial_ (all constructors).
1979         (Input_file_argument::set_arg_serial): New function.
1980         (Input_file_argument::arg_serial): New function.
1981         (Input_file_argument::arg_serial_): New data member.
1982         (Input_arguments::Input_arguments): Initialize file_count_.
1983         (Input_arguments::add_file): Remove const.
1984         (Input_arguments::number_of_input_files): New function.
1985         (Input_arguments::file_count_): New data member.
1986         (Command_line::number_of_input_files): Call
1987         Input_arguments::number_of_input_files.
1988         * output.cc (Output_segment_headers::Output_segment_headers):
1989         Set current size.
1990         (Output_section::Input_section::current_data_size): New function.
1991         (Output_section::Output_section): Initialize new data members.
1992         (Output_section::add_input_section): Don't do merge sections for
1993         an incremental link; allocate space from free list for an
1994         incremental update.
1995         (Output_section::add_output_section_data): Allocate space from
1996         free list for an incremental update.
1997         (Output_section::update_data_size): New function.
1998         (Output_section::set_fixed_layout): New function.
1999         (Output_section::reserve): New function.
2000         (Output_segment::set_section_addresses): Remove const.
2001         (Output_segment::set_section_list_addresses): Remove const; allocate
2002         space from free list for an incremental update.
2003         (Output_segment::set_offset): Adjust size of RELRO segment for an
2004         incremental update.
2005         * output.h (Output_data::current_data_size): Move here from
2006         child classes.
2007         (Output_data::pre_finalize_data_size): New function.
2008         (Output_data::update_data_size): New function.
2009         (Output_section_headers::update_data_size): new function.
2010         (Output_section_data_build::current_data_size): Move to Output_data.
2011         (Output_data_strtab::update_data_size): New function.
2012         (Output_section::current_data_size): Move to Output_data.
2013         (Output_section::set_fixed_layout): New function.
2014         (Output_section::has_fixed_layout): New function.
2015         (Output_section::reserve): New function.
2016         (Output_section::update_data_size): New function.
2017         (Output_section::has_fixed_layout_): New data member.
2018         (Output_section::free_list_): New data member.
2019         (Output_segment::set_section_addresses): Remove const.
2020         (Output_segment::set_section_list_addresses): Remove const.
2021         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2022         New function.
2023         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2024         New function.
2025         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2026         parameter when calling Add_symbols constructor; store argument
2027         serial number for members of a lib group.
2028         (Add_symbols::locks): Allow case where token == NULL.
2029         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2030         (Read_member::~Read_member): New function.
2031         (Read_member::is_runnable): New function.
2032         (Read_member::locks): New function.
2033         (Read_member::run): New function.
2034         (Check_script::~Check_script): New function.
2035         (Check_script::is_runnable): New function.
2036         (Check_script::locks): New function.
2037         (Check_script::run): New function.
2038         (Check_library::~Check_library): New function.
2039         (Check_library::is_runnable): New function.
2040         (Check_library::locks): New function.
2041         (Check_library::run): New function.
2042         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2043         (Add_symbols::library_): New data member.
2044         (class Read_member): New class.
2045         (class Check_script): New class.
2046         (class Check_library): New class.
2047         * reloc.cc (Read_relocs::is_runnable): Allow case where
2048         token == NULL.
2049         (Read_relocs::locks): Likewise.
2050         (Scan_relocs::locks): Likewise.
2051         (Relocate_task::locks): Likewise.
2052         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2053         to clear counters.
2054         (Sized_relobj::incremental_relocs_scan): Fix comment.
2055         (Sized_relobj::do_relocate): Pass output file offset to
2056         write_local_symbols.
2057         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2058         from class declaration.
2059         * script.cc (read_input_script): Allocate Script_info; pass
2060         argument serial number to report_script.
2061         * script.h (class Script_info): Move to incremental.h.
2062         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2063         * symtab.h (Symbol_table::add_from_incrobj): New function.
2064         (Symbol_table::set_file_offset): New function.
2065
2066 2011-04-05  Cary Coutant  <ccoutant@google.com>
2067
2068         * incremental-dump.cc (dump_incremental_inputs): Change signature
2069         to take a Sized_incremental_binary; change caller.  Use readers
2070         in Sized_incremental_binary.
2071         * incremental.cc
2072         (Sized_incremental_binary::find_incremental_inputs_sections):
2073         Rename do_find_incremental_inputs_sections to this.
2074         (Sized_incremental_binary::setup_readers): New function.
2075         (Sized_incremental_binary::do_check_inputs): Check
2076         has_incremental_info_ flag; move setup code to setup_readers;
2077         use input readers.
2078         (Sized_incremental_binary::do_file_is_unchanged): New function.
2079         (Sized_incremental_binary::do_get_input_reader): New function.
2080         * incremental.h (class Incremental_binary): Move to end of file.
2081         (Incremental_binary::file_is_unchanged): New function.
2082         (Incremental_binary::do_file_is_unchanged): New function.
2083         (Incremental_binary::Input_reader): New class.
2084         (Incremental_binary::get_input_reader): New function.
2085         (class Sized_incremental_binary): Move to end of file.
2086         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2087         input section reader classes.
2088         (Sized_incremental_binary::has_incremental_info): New function.
2089         (Sized_incremental_binary::inputs_reader): New function.
2090         (Sized_incremental_binary::symtab_reader): New function.
2091         (Sized_incremental_binary::relocs_reader): New function.
2092         (Sized_incremental_binary::got_plt_reader): New function.
2093         (Sized_incremental_binary::do_file_is_unchanged): New function.
2094         (Sized_incremental_binary::Sized_input_reader): New class.
2095         (Sized_incremental_binary::get_input_reader): New function.
2096         (Sized_incremental_binary::find_incremental_inputs_sections):
2097         Rename do_find_incremental_inputs_sections to this.
2098         (Sized_incremental_binary::setup_readers): New function.
2099         (Sized_incremental_binary::has_incremental_info_): New data member.
2100         (Sized_incremental_binary::inputs_reader_): New data member.
2101         (Sized_incremental_binary::symtab_reader_): New data member.
2102         (Sized_incremental_binary::relocs_reader_): New data member.
2103         (Sized_incremental_binary::got_plt_reader_): New data member.
2104         (Sized_incremental_binary::current_input_file_): New data member.
2105
2106 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2107
2108         PR gold/12640
2109         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2110         violation.
2111
2112 2011-03-30  Cary Coutant  <ccoutant@google.com>
2113
2114         * archive.cc (Archive::include_member): Adjust call to report_object.
2115         (Add_archive_symbols::run): Add script_info to call to
2116         report_archive_begin.
2117         (Lib_group::include_member): Adjust call to report_object.
2118         (Add_lib_group_symbols::run): Adjust call to report_object.
2119         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2120         blocks.  Add object count for script input files.
2121         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2122         script_info parameter; change all callers.
2123         (Incremental_inputs::report_object): Add script_info parameter;
2124         change all callers.
2125         (Incremental_inputs::report_script): Store backpointer to
2126         incremental info entry.
2127         (Output_section_incremental_inputs::set_final_data_size): Record
2128         additional information for scripts.
2129         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2130         * incremental.h (Incremental_script_entry::add_object): New function.
2131         (Incremental_script_entry::get_object_count): New function.
2132         (Incremental_script_entry::get_object): New function.
2133         (Incremental_script_entry::objects_): New data member; adjust
2134         constructor.
2135         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2136         (Incremental_inputs::report_object): Add script_info parameter.
2137         (Incremental_inputs_reader::get_object_count): New function.
2138         (Incremental_inputs_reader::get_object_offset): New function.
2139         * options.cc (Input_arguments::add_file): Return reference to
2140         new input argument.
2141         * options.h (Input_argument::set_script_info): New function.
2142         (Input_argument::script_info): New function.
2143         (Input_argument::script_info_): New data member; adjust all
2144         constructors.
2145         (Input_file_group::add_file): Return reference to new input argument.
2146         (Input_file_lib::add_file): Likewise.
2147         (Input_arguments::add_file): Likewise.
2148         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2149         * script.cc (Parser_closure::Parser_closure): Add script_info
2150         parameter; adjust all callers.
2151         (Parser_closure::script_info): New function.
2152         (Parser_closure::script_info_): New data member.
2153         (read_input_script): Report scripts earlier to incremental info.
2154         (script_add_file): Set script_info in Input_argument.
2155         (script_add_library): Likewise.
2156         * script.h (Script_options::Script_info): Rewrite class.
2157
2158 2011-03-29  Cary Coutant  <ccoutant@google.com>
2159
2160         * archive.cc (Library_base::should_include_member): Move
2161         method here from class Archive.
2162         (Archive::Archive): Initialize base class.
2163         (Archive::should_include_member): Move to base class.
2164         (Archive::do_for_all_unused_symbols): New function.
2165         (Add_archive_symbols::run): Remove redundant access to
2166         incremental_inputs.
2167         (Lib_group::Lib_group): Initialize base class.
2168         (Lib_group::do_filename): New function.
2169         (Lib_group::include_member): Pass pointer to Lib_group to
2170         report_object.
2171         (Lib_group::do_for_all_unused_symbols): New function.
2172         (Add_lib_group_symbols::run): Report archive information for
2173         incremental links.
2174         * archive.h (class Library_base): New base class.
2175         (class Archive): Derive from Library_base.
2176         (Archive::filename): Move to base class.
2177         (Archive::set_incremental_info): Likewise.
2178         (Archive::incremental_info): Likewise.
2179         (Archive::Should_include): Likewise.
2180         (Archive::should_include_member): Likewise.
2181         (Archive::Armap_entry): Remove.
2182         (Archive::Unused_symbol_iterator): Remove.
2183         (Archive::unused_symbols_begin): Remove.
2184         (Archive::unused_symbols_end): Remove.
2185         (Archive::do_filename): New function.
2186         (Archive::do_get_mtime): New function.
2187         (Archive::do_for_all_unused_symbols): New function.
2188         (Archive::task_): Move to base class.
2189         (Archive::incremental_info_): Likewise.
2190         (class Lib_group): Derive from Library_base.
2191         (Lib_group::do_filename): New function.
2192         (Lib_group::do_get_mtime): New function.
2193         (Lib_group::do_for_all_unused_symbols): New function.
2194         (Lib_group::task_): Move to base class.
2195         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2196         function.
2197         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2198         function.
2199         * incremental.cc (Incremental_inputs::report_archive_begin):
2200         Use Library_base; call library's get_mtime; add incremental inputs
2201         entry before members.
2202         (class Unused_symbol_visitor): New class.
2203         (Incremental_inputs::report_archive_end): Use Library_base; use
2204         visitor class to record unused symbols; don't add incremental inputs
2205         entry after members.
2206         (Incremental_inputs::report_object): Use Library_base.
2207         * incremental.h
2208         (Incremental_archive_entry::Incremental_archive_entry): Remove
2209         unused Archive parameter.
2210         (Incremental_inputs::report_archive_begin): Use Library_base.
2211         (Incremental_inputs::report_archive_end): Likewise.
2212         (Incremental_inputs::report_object): Likewise.
2213         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2214         function.
2215         * object.h (Object::for_all_global_symbols): New function.
2216         (Object::do_for_all_global_symbols): New function.
2217         (Sized_relobj::do_for_all_global_symbols): New function.
2218         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2219         function.
2220         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2221         function.
2222
2223 2011-03-27  Ian Lance Taylor  <iant@google.com>
2224
2225         * archive.cc (Archive::interpret_header): Return -1 if something
2226         goes wrong.  Change callers accordingly.
2227
2228 2011-03-25  Cary Coutant  <ccoutant@google.com>
2229
2230         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2231         * testsuite/Makefile.in: Regenerate.
2232
2233 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2234
2235         * plugin.cc (get_view): New.
2236         (Plugin::load): Pass get_view to the plugin.
2237         (Plugin_manager::get_view): New.
2238
2239 2011-03-21  Ian Lance Taylor  <iant@google.com>
2240
2241         * testsuite/final_layout.sh: Rewrite to not use dc.
2242         * testsuite/relro_test.sh: Fail if dc is not present.
2243
2244 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2245
2246         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2247         Change == to -eq.
2248         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2249         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2250         Change == to -eq.
2251         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2252         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2253
2254 2011-03-14  Ian Lance Taylor  <iant@google.com>
2255
2256         * script-sections.cc (Sort_output_sections::script_compare):
2257         Rename from is_before, change return type.
2258         (Sort_output_sections::operator()): Adjust accordingly.
2259
2260 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2261
2262         PR gold/12572
2263         * testsuite/odr_violation2.cc: Add comment to make all error line
2264         numbers double digits.
2265         * testsuite/debug_msg.sh: Adjust expected errors.
2266
2267 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2268
2269         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2270         but mark earlier ones as non-canonical
2271         (offset_to_iterator): Update search target and example
2272         (do_addr2line): Return extra lines in a vector*
2273         (format_file_lineno): Extract from do_addr2line
2274         (one_addr2line): Add vector* out-param
2275         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2276         when a lineno entry appeared last for its instruction
2277         (Dwarf_line_info): Add vector* out-param
2278         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2279         * symtab.cc (Odr_violation_compare): Include the lineno in the
2280         comparison again.
2281         (linenos_from_loc): New. Combine the canonical line for an
2282         address with its other lines.
2283         (True_if_intersect): New. Helper functor to make
2284         std::set_intersection a query.
2285         (detect_odr_violations): Compare sets of lines instead of just
2286         one line for each function. This became less deterministic, but
2287         has fewer false positives.
2288         * symtab.h: Declarations.
2289         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2290         mix an optimized and non-optimized object in the same binary
2291         (odr_violation2.so): Same.
2292         * testsuite/Makefile.in: Regenerate from Makefile.am.
2293         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2294         * testsuite/debug_msg.sh: Update line numbers and add
2295         assertions.
2296         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2297         non-optimized context.
2298         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2299         isn't inlined, and use OdrDerived in an optimized context.
2300         * testsuite/odr_header1.h: Defines OdrDerived, where
2301         optimization will change the
2302         first-instruction-in-the-destructor's file and line number.
2303         * testsuite/odr_header2.h: Defines OdrBase.
2304
2305 2011-03-09  Ian Lance Taylor  <iant@google.com>
2306
2307         * fileread.cc (File_read::clear_views): Don't delete the whole
2308         file view.
2309
2310 2011-03-08  Ian Lance Taylor  <iant@google.com>
2311
2312         PR gold/12525
2313         * fileread.cc: #include <climits>.
2314         (GOLD_IOV_MAX): Define.
2315         (File_read::read_multiple): Limit number of entries by iov_max.
2316         * fileread.h (class File_read): Always set max_readv_entries to
2317         128.
2318
2319 2011-03-07  Ian Lance Taylor  <iant@google.com>
2320
2321         PR gold/12525
2322         * options.h (class General_options): Add -dy and -dn.
2323
2324 2011-03-02  Cary Coutant  <ccoutant@google.com>
2325
2326         * testsuite/script_test_9.t: Add TLS segment.
2327
2328 2011-03-02  Simon Baldwin  <simonb@google.com>
2329
2330         * configure.ac: Add check for gnu_indirect_function support in
2331         the toolchain building binutils.
2332         * configure: Rebuild.
2333
2334 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2335
2336         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2337         plugin only symbols.
2338         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2339         in plugin files as not needed in the symbol table.
2340
2341 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2342
2343         * output.cc (Output_section::add_input_section): Delay fill
2344         generation for section ordering.
2345
2346 2011-02-09  Ian Lance Taylor  <iant@google.com>
2347
2348         PR gold/12316
2349         * object.h (class Sized_relobj): Remove clear_local_symbols.
2350         * reloc.cc (Sized_relobj::do_relocate): Don't call
2351         clear_local_symbols.
2352
2353 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2354
2355         * plugin.cc (is_visible_from_outside): Return true for symbols
2356         in the -u option.
2357
2358 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2359
2360         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2361         filename.
2362
2363 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2364
2365         * icf.h (is_section_foldable_candidate): Change type of parameter
2366         to std::string.
2367         * icf.cc (Icf::find_identical_sections): Change type of local variable
2368         section_name to be std::string.
2369         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2370
2371 2011-01-25  Ian Lance Taylor  <iant@google.com>
2372
2373         * script.cc (script_add_extern): Rewrite to use
2374         add_symbol_reference.
2375
2376 2011-01-25  Doug Kwan  <dougkwan@google.com>
2377
2378         * icf.cc (get_section_contents): Always lock section's object.
2379
2380 2011-01-24  Ian Lance Taylor  <iant@google.com>
2381
2382         * options.h (class General_options): Accept
2383         --no-detect-odr-violations.
2384
2385 2011-01-24  Ian Lance Taylor  <iant@google.com>
2386
2387         * version.cc (version_string): Bump to 1.11.
2388
2389 2011-01-24  Ian Lance Taylor  <iant@google.com>
2390
2391         * plugin.cc (class Plugin_rescan): Define new class.
2392         (Plugin_manager::claim_file): Set any_claimed_.
2393         (Plugin_manager::save_archive): New function.
2394         (Plugin_manager::save_input_group): New function.
2395         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2396         necessary.
2397         (Plugin_manager::new_undefined_symbol): New function.
2398         (Plugin_manager::rescan): New function.
2399         (Plugin_manager::rescannable_defines): New function.
2400         (Plugin_manager::add_input_file): Set any_added_.
2401         * plugin.h (class Plugin_manager): define new fields rescannable_,
2402         undefined_symbols_, any_claimed_, and any_added_.  Declare
2403         Plugin_rescan as friend.  Declare new functions.
2404         (Plugin_manager::Rescannable): Define type.
2405         (Plugin_manager::Rescannable_list): Define type.
2406         (Plugin_manager::Undefined_symbol_list): Define type.
2407         (Plugin_manager::Plugin_manager): Initialize new fields.
2408         * archive.cc (Archive::defines_symbol): New function.
2409         (Add_archive_symbols::run): Pass archive to plugins if any.
2410         * archive.h (class Archive): Declare defines_symbol.
2411         * readsyms.cc (Input_group::~Input_group): New function.
2412         (Finish_group::run): Pass input_group to plugins if any.
2413         * readsyms.h (class Input_group): Declare destructor.
2414         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2415         any.
2416
2417 2011-01-10  Ian Lance Taylor  <iant@google.com>
2418
2419         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2420         section as relro.
2421         (Layout::set_segment_offsets): Reset increase_relro before calling
2422         set_section_addresses a second time.
2423
2424 2011-01-04  Cary Coutant  <ccoutant@google.com>
2425
2426         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2427         sections before NOBITS sections.
2428
2429 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2430
2431         * version.cc (print_version): Update copyright to 2011.
2432
2433 2010-12-23  Cary Coutant  <ccoutant@google.com>
2434
2435         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2436         of OS to this->add.  Add OD parameter to second form of the function.
2437
2438 2010-12-20  Ian Lance Taylor  <iant@google.com>
2439
2440         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2441         second of two consecutive entries with same offset.
2442
2443 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2444
2445         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2446         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2447         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2448         to avoid unneeded links against $(LDADD).
2449         * testsuite/Makefile.in: Regenerate.
2450
2451 2010-12-15  Ian Lance Taylor  <iant@google.com>
2452
2453         PR gold/12324
2454         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2455         for R_X86_64_32 and R_X86_64_PC32.
2456         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2457         ver_matching_def_pic.o.
2458         (ver_matching_def_pic.o): New target.
2459
2460 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2461
2462         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2463         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2464         Move definition before File_read::View member definitions.
2465         (File_read::View::~View): Initialize and hold lock before
2466         updating current_mapped_bytes.
2467
2468 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2469
2470         * dwarf_reader.cc: Remove outdated comment.
2471         * gold-threads.cc: Fix typo in error message.
2472         * archive.cc: Fix typos in comments.
2473         * archive.h: Likewise.
2474         * arm-reloc-property.cc: Likewise.
2475         * arm-reloc-property.h: Likewise.
2476         * arm-reloc.def: Likewise.
2477         * arm.cc: Likewise.
2478         * attributes.h: Likewise.
2479         * cref.cc: Likewise.
2480         * ehframe.cc: Likewise.
2481         * fileread.h: Likewise.
2482         * gold.h: Likewise.
2483         * i386.cc: Likewise.
2484         * icf.cc: Likewise.
2485         * incremental.h: Likewise.
2486         * int_encoding.cc: Likewise.
2487         * layout.h: Likewise.
2488         * main.cc: Likewise.
2489         * merge.h: Likewise.
2490         * object.cc: Likewise.
2491         * object.h: Likewise.
2492         * options.cc: Likewise.
2493         * readsyms.cc: Likewise.
2494         * reduced_debug_output.cc: Likewise.
2495         * reloc.cc: Likewise.
2496         * script-sections.cc: Likewise.
2497         * sparc.cc: Likewise.
2498         * symtab.h: Likewise.
2499         * target-reloc.h: Likewise.
2500         * target.cc: Likewise.
2501         * target.h: Likewise.
2502         * timer.cc: Likewise.
2503         * timer.h: Likewise.
2504         * x86_64.cc: Likewise.
2505
2506 2010-12-09  Cary Coutant  <ccoutant@google.com>
2507
2508         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2509         stack.
2510         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2511         parameter; change all callers.
2512         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2513         * options.h (warn_execstack): New option.
2514
2515 2010-12-07  Doug Kwan  <dougkwan@google.com>
2516
2517         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2518         like function call relocations.
2519
2520 2010-12-07  Ian Lance Taylor  <iant@google.com>
2521
2522         * archive.cc (Archive::get_elf_object_for_member): Permit
2523         punconfigured to be NULL.
2524         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2525         (Archive::include_member): Pass NULL to get_elf_object_for_member
2526         if we searched for the archive and this is the first included
2527         object.
2528
2529 2010-12-01  Ian Lance Taylor  <iant@google.com>
2530
2531         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2532         track_relocs_type_ field.
2533         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2534         Set track_relocs_type_.
2535         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2536         contents when using RELA relocs.
2537         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2538         reloc_map_.
2539         * reloc.cc (Track_relocs::next_addend): New function.
2540         * reloc.h (class Track_relocs): Declare next_addend.
2541
2542 2010-12-01  Ian Lance Taylor  <iant@google.com>
2543
2544         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2545         virtual destructor.
2546
2547 2010-12-01  Ian Lance Taylor  <iant@google.com>
2548
2549         * README: Update compilers known to work and fail.
2550
2551 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2552
2553         * configure.in: For --enable-gold, handle value `default' instead of
2554         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2555         not the default.
2556         * configure: Regenerate.
2557
2558 2010-11-18  Doug Kwan  <dougkwan@google.com>
2559
2560         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2561         and right_alignment to be zero.  Store result alignment only if it is
2562         greater than existing alignment.
2563
2564 2010-11-16  Cary Coutant  <ccoutant@google.com>
2565
2566         PR gold/12220
2567         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2568         Check for ".zdebug_line".
2569
2570 2010-11-16  Doug Kwan  <dougkwan@google.com>
2571             Cary Coutant  <ccoutant@google.com>
2572
2573         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2574         by reference; adjust all callers.
2575         * output.cc (Output_segment::set_section_addresses): Adjust references
2576         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2577         list is empty.
2578         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2579         end at page boundary.
2580
2581 2010-11-16  Cary Coutant  <ccoutant@google.com>
2582
2583         PR gold/12220
2584         * layout.cc (Layout::choose_output_section): Transform names of
2585         compressed sections even when using a script with a SECTIONS clause.
2586         (Layout::output_section_name): Remove code to transform
2587         compressed debug section names.
2588         * output.cc (Output_section::add_input_section): Use uncompressed
2589         section size when tracking input sections.
2590
2591 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2592
2593         * symtab.h (Symbol::NON_PIC_REF): Remove.
2594         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2595         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2596         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2597         (Symbol::use_plt_offset): Take a flags argument and pass it
2598         directly to needs_dynamic_reloc.  Restrict check for undefined
2599         weak symbols to function calls.
2600         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2601         (Target_arm::Scan::global): Use it.
2602         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2603         (Target_arm::Relocate::relocate): Likewise.
2604         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2605         parameter with an r_type parameter.  Use get_reference_flags
2606         to get the flags.
2607         (Target_arm::Relocate::relocate): Update accordingly.
2608         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2609         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2610         (Target_i386::Scan::global): Likewise.
2611         (Target_i386::Relocate::relocate): Likewise.
2612         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2613         parameter with an r_type parameter.  Use get_reference_flags
2614         to get the flags.
2615         (Target_i386::Relocate::relocate): Update accordingly.
2616         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2617         (Target_powerpc::Scan::global): Use it.
2618         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2619         (Target_powerpc::Relocate::relocate): Likewise.
2620         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2621         (Target_sparc::Scan::global): Use it.
2622         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2623         (Target_sparc::Relocate::relocate): Likewise.
2624         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2625         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2626         (Target_x86_64::Scan::global): Likewise.
2627         (Target_x86_64::Relocate::relocate): Likewise.
2628
2629 2010-11-08  Doug Kwan  <dougkwan@google.com>
2630             Cary Coutant  <ccoutant@google.com>
2631
2632         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2633         (Arm_exidx_merge_section::section_contents_): New data member.
2634         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2635         (Arm_input_section::~Arm_input_section): De-allocate memory.
2636         (Arm_input_section::original_contents_): New data member.
2637         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2638         in parameters instead of calling Object::section_contents without
2639         locking.
2640         (Arm_output_section::group_section): New parameter TASK.  Pass it
2641         to callees that need locking objects.
2642         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2643         to lock EXIDX input sections.  Fix a formatting issue.  Call
2644         Arm_exidx_merged_section::build_contents to create merged section
2645         contents.
2646         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2647         to lock object of stub table owner.
2648         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2649         TEXT_SIZE to initialize data member TEXT_SIZE_.
2650         (Arm_exidx_input_section::addralign): Fix typo in comment.
2651         (Arm_exidx_input_section::text_size): New method.
2652         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2653         that require locking objects.  Lock objects before scanning for stubs
2654         and updating local symbols.
2655         (Arm_input_section<big_endian>::init): Copy contents of original
2656         input section.
2657         (Arm_input_section<big_endian>::do_write): Use saved contents of
2658         original input section instead of calling Object::section_contents
2659         without locking.
2660         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2661         size without calling Object::section_size().
2662         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2663         for size.  Allocate a buffer for merged EXIDX entries.
2664         (Arm_exidx_merged_section::build_contents): New method.
2665         (Arm_exidx_merged_section::do_write): Move merge section contents
2666         building code to Arm_exidx_merged_section::build_contetns.  Write
2667         out contetns in buffer instead of building it on the fly.
2668         (Arm_relobj::make_exidx_input_section): Also pass text section size
2669         to Arm_exidx_input_section constructor.
2670         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2671         (Arm_dynobj::do_read_symbols): Fix memory leak.
2672         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2673         * target.h: (class Task): Add forward declaration.
2674         (Target::relax): Add new parameter TASK and pass it to
2675         Target::do_relax().
2676         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2677
2678 2010-11-05  Cary Coutant  <ccoutant@google.com>
2679
2680         PR gold/10708
2681         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2682         object when reading from the file.
2683         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2684         second layout pass.
2685         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2686         when reading section contents.
2687         (get_section_contents): Likewise.
2688         (icf::find_identical_sections): Likewise.
2689         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2690         object when reading from the file.
2691         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2692         the object when doing deferred section layout.
2693
2694 2010-11-03  Nick Clifton  <nickc@redhat.com>
2695
2696         PR gold/12001
2697         * script.h (class Symbol_assignment: name): New member.  Returns
2698         the name of the symbol.
2699         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2700         Returns true if the given symbol name is on the list of
2701         assignments wating to be processed.
2702         * archive.cc (should_incldue_member): If the symbol is undefined,
2703         check to see if it is on the list of symbols pending assignment.
2704
2705 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2706
2707         * script-sections.cc (Script_sections::find_memory_region): Check
2708         for a NULL output section pointer.
2709
2710 2010-10-29  Doug Kwan  <dougkwan@google.com>
2711
2712         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2713         Output_section::add_relaxed_input_section.
2714         * output.cc (Output_section::add_relaxed_input_section): Add new
2715         arguments LAYOUT and NAME.  Set section order index.
2716         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2717         Copy section order index.
2718         * output.h (Output_section::add_relaxed_input_section): Add new
2719         arguments LAYOUT and NAME.
2720
2721 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2722
2723         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2724         NATIVE_OR_CROSS_LINKER.
2725         * testsuite/Makefile.in: Regenerate.
2726
2727 2010-10-20  Doug Kwan  <dougkwan@google.com>
2728
2729         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2730         without SHF_LINK_ORDER flags.
2731         * layout.cc (Layout::choose_output_section): Do not filter
2732         SHF_LINK_ORDER flag in a relocatable link.
2733
2734 2010-10-17  Cary Coutant  <ccoutant@google.com>
2735
2736         * output.h (Output_segment::set_section_addresses): Change function
2737         signature.  Update all callers.
2738         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2739         sections.
2740         (Output_segment::set_section_addresses): Align after last TLS
2741         section.  Add padding before last relro section instead of after.
2742
2743 2010-10-17  Doug Kwan  <dougkwan@google.com>
2744
2745         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2746         GOT output section to be writable.
2747
2748 2010-10-14  Cary Coutant  <ccoutant@google.com>
2749
2750         * debug.h (DEBUG_INCREMENTAL): New flag.
2751         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2752         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2753         mode.
2754         * incremental.cc (report_command_line): Ignore all forms of
2755         --incremental.
2756         * layout.cc (Layout::Layout): Check parameters for incremental link
2757         mode.
2758         * options.cc (General_options::parse_incremental): New function.
2759         (General_options::parse_no_incremental): New function.
2760         (General_options::parse_incremental_full): New function.
2761         (General_options::parse_incremental_update): New function.
2762         (General_options::incremental_mode_): New data member.
2763         (General_options::finalize): Check incremental_mode_.
2764         * options.h (General_options): Update help text for --incremental.
2765         Add --no-incremental, --incremental-full, --incremental-update.
2766         (General_options::Incremental_mode): New enum type.
2767         (General_options::incremental_mode): New function.
2768         (General_options::incremental_mode_): New data member.
2769         * parameters.cc (Parameters::incremental_mode_): New data member.
2770         (Parameters::set_options): Set incremental_mode_.
2771         (Parameters::set_incremental_full): New function.
2772         (Parameters::incremental): New function.
2773         (Parameters::incremental_update): New function.
2774         (set_parameters_incremental_full): New function.
2775         * parameters.h (Parameters::set_incremental_full): New function.
2776         (Parameters::incremental): New function.
2777         (Parameters::incremental_update): New function.
2778         (Parameters::incremental_mode_): New data member.
2779         (set_parameters_incremental_full): New function.
2780         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2781         incremental link mode.
2782         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2783         (Sized_relobj::do_relocate_sections): Likewise.
2784         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2785         option.
2786         * testsuite/Makefile.in: Regenerate.
2787         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2788
2789 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2790
2791         * script-sections.h (class Script_sections): Make
2792         Sections_elements typedef public.
2793         * script-sections.cc (class Sort_output_sections): Add elements_
2794         field.  Add constructor which sets it; change all callers.
2795         (Sort_output_sections::is_before): New function.
2796         (Sort_output_sections::operator()): Call is_before.
2797         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2798         conditional.
2799         * testsuite/script_test_10.sh: New test. Test script section
2800         order.
2801         * testsuite/script_test_10.t: Likewise.
2802         * testsuite/script_test_10.s: Likewise.
2803         * testsuite/Makefile.am: Wrap the cross linker tests and the
2804         common tests into NATIVE_OR_CROSS_LINKER.
2805         (check_SCRIPTS): Add script_test_10.sh.
2806         (check_DATA): Add script_test_10.stdout.
2807         (script_test_10.o, script_test_10): New targets.
2808         (script_test_10.stdout): New target.
2809         * configure, testsuite/Makefile.in: Regenerate.
2810
2811 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2812
2813         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2814         error for the deprecated relocations.
2815         (Target_arm::Scan::global): Likewise.
2816         (Target_arm::Relocate::relocate): Likewise.
2817
2818 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
2819
2820         * fileread.cc (Input_file::find_file): Initialize *found_name
2821         and *namep when using the fallback search for case 4.
2822
2823 2010-10-11  Cary Coutant  <ccoutant@google.com>
2824
2825         * options.h (class General_options): Redefine -z lazy as an alias for
2826         the negation of -z now.
2827
2828 2010-10-11  Ian Lance Taylor  <iant@google.com>
2829
2830         * resolve.cc (symbol_to_bits): Report the value of the unsupported
2831         binding.
2832
2833 2010-10-06  Nick Clifton  <nickc@redhat.com>
2834
2835         * script-sections.cc(class Memory_region): Remove
2836         current_lma_offset_ field.  Rename current_vma_offset_ to
2837         current_offset_.  Add last_section_ field.
2838         (Memory_region::get_current_vma_address): Rename to
2839         get_current_address.
2840         (Memory_region::get_current_lma_address): Delete.
2841         (Memory_region::increment_vma_offset): Rename to
2842         increment_offset.
2843         (Memory_region::increment_lma_offset): Delete.
2844         (Memory_region::attributes_compatible): New method.  Returns
2845         true if the provided section is compatible with the region.
2846         (Memory_region::get_last_section): New method.  Returns the last
2847         section to use the region.
2848         (Memory_region::set_last_section): New method.  Stores the last
2849         section to use the region.
2850         (Script_sections::block_in_region): New method.  Returns true if
2851         a block of memory is contained within a region.
2852         (Script_sections::find_memory_region): New method.  Locates a
2853         memory region to be used to set a VMA or LMA address.
2854         (Output_section_definition::set_section_addresses): Add code to
2855         check for addresses set by memory regions.
2856         (Output_segment::set_section_addresses): Remove memory region
2857         walking code.
2858         (Script_sections::create_segment): Add a warning if a header
2859         segment is created outside of any region.
2860         * script-sections.h (class Script_sections): Add prototypes for
2861         find_memory_region and block_in_region methods.
2862         * testsuite/memory_test.s: Use .long instead of .word.
2863         * testsuite/memory_test.t: Add some more output sections.
2864         * testsuite/memory_test.sh: Update expected output.
2865
2866 2010-10-02  Doug Kwan  <dougkwan@google.com>
2867
2868         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
2869         defintion to symtab.h
2870         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
2871         declaration to defintion.
2872
2873 2010-10-01  Nick Clifton  <nickc@redhat.com>
2874
2875         * expression.cc (eval): Replace dummy argument with NULL.
2876         (eval_maybe_dot): Check for a NULL result section pointer.
2877         (Symbol_expression::value): Likewise.
2878         (Dot_expression::value): Likewise.
2879         (BINARY_EXPRESSION): Likewise.
2880         (Max_expression::value): Likewise.
2881         (Min_expression::value): Likewise.
2882         (Absolute_expression::value): Likewise.
2883         (Addr_expression::value_from_output_section): Likewise.
2884         (Loaddddr_expression::value_from_output_section): Likewise.
2885         (Segment_start_expression::value): Likewise.
2886         * script-sections.cc
2887         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
2888         argument with NULL.
2889         (Sections_elememt_dot_assignment::set_section_addresses):
2890         Likewise.
2891         (Output_data_expression::do_write_to_buffer): Likewise.
2892         (Output_section_definition::finalize_symbols): Likewise.
2893         (Output_section_definition::set_section_addresses): Likewise.
2894
2895 2010-09-30  Doug Kwan  <dougkwan@google.com>
2896
2897         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
2898
2899 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
2900
2901         * target.h (Target::can_icf_inline_merge_sections): New virtual
2902         function.
2903         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
2904         virtual function.
2905         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
2906         virtual function.
2907         * icf.cc (get_section_contents): Inline merge sections only when
2908         target allows it.
2909
2910 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2911
2912         * configure: Regenerate.
2913
2914 2010-09-17  Ian Lance Taylor  <iant@google.com>
2915
2916         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
2917         * testsuite/Makefile.am (memory_test.o): New target.
2918         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
2919         memory_test.t.
2920         * testsuite/Makefile.in: Rebuild.
2921
2922 2010-09-17  Doug Kwan  <dougkwan@google.com>
2923
2924         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
2925         defintion if relocation uses GOT entries of the symbol.
2926         * testsuite/icf_safe_test.sh: Fix test.
2927         * testsuite/icf_safe_so_test.sh: Fix test.
2928
2929 2010-09-16  Cary Coutant  <ccoutant@google.com>
2930
2931         * script_sections.cc (class Memory_region): Remove "NULL" from
2932         vector initializations.
2933
2934 2010-09-15  Cary Coutant  <ccoutant@google.com>
2935
2936         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
2937         Resolve forwarding symbols.
2938
2939 2010-09-15  Doug Kwan  <dougkwan@google.com>
2940
2941         * gold/testsuite/script_test_3.t: Add ARM special sections.
2942         * gold/testsuite/script_test_4.t: Same.
2943         * gold/testsuite/script_test_5.t: Same.
2944         * gold/testsuite/script_test_6.t: Same.
2945         * gold/testsuite/script_test_7.t: Same.
2946         * gold/testsuite/script_test_7.t: Same.
2947         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
2948
2949 2010-09-14  Cary Coutant  <ccoutant@google.com>
2950
2951         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
2952         (Target_x86_64::Relocate::relocate_tls): Replace check for
2953         saw_tls_block_reloc_ with test for executable section.
2954
2955 2010-09-12  Cary Coutant  <ccoutant@google.com>
2956
2957         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
2958         position-independent executables to shared libraries need dynamic
2959         relocations.
2960         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
2961         position-independent executables.
2962         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
2963         * testsuite/Makefile.in: Regenerate.
2964
2965 2010-09-10  Nick Clifton  <nickc@redhat.com>
2966
2967         PR gold/11997
2968         * testsuite/memory_test.t: Discard any sections that are not
2969         needed.
2970
2971 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
2972
2973         PR gold/11996
2974         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
2975         "This::" to work around a bug in gcc 4.2.
2976
2977         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
2978
2979 2010-09-09  Rafael Espindola  <espindola@google.com>
2980
2981         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
2982         sections with different PF_X flags in the same segment.
2983         (Layout::find_first_load_seg): Search all segments to find the first
2984         one.
2985         * options.h (rosegment): New.
2986
2987 2010-09-08  Rafael Espindola  <espindola@google.com>
2988
2989         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
2990
2991 2010-09-08  Doug Kwan  <dougkwan@google.com>
2992
2993         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
2994         (Arm_relobj::do_relocate_sections): Add new parameter for output
2995         file to match the parent.
2996         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
2997         of local symbols instead of input values.  Update code to track
2998         changes in gold::relocate_section.
2999         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3000         (Sized_relobj::compute_final_local_value_internal): New methods.
3001         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3002         body into private version of Sized_relobj::compute_final_local_value.
3003         Call the inline method.
3004         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3005         merged symbol value if there is one.
3006         (Symbol_value::has_output_value): New method defintiion.
3007         (Sized_relobj::Compute_final_local_value_status): New enum type.
3008         (Sized_relobj::compute_final_local_value): New methods.
3009         (Sized_relobj::compute_final_local_value_internal): New methods.
3010         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3011         and arm_cortex_a8.sh.
3012         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3013         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3014         New tests.
3015         * Makefile.in: Regenerate.
3016         * testsuite/arm_bl_out_of_range.s: Update test.
3017         * testsuite/thumb_bl_out_of_range.s: Ditto.
3018         * testsuite/thumb_blx_out_of_range.s: Ditto.
3019         * testsuite/arm_branch_out_of_range.sh: New file.
3020         * testsuite/arm_cortex_a8.sh: Ditto.
3021         * testsuite/arm_cortex_a8_b.s: Ditto.
3022         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3023         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3024         * testsuite/arm_cortex_a8_bl.s: Ditto.
3025         * testsuite/arm_cortex_a8_blx.s: Ditto.
3026         * testsuite/arm_cortex_a8_local.s: Ditto.
3027         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3028         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3029
3030 2010-09-08  Rafael Espindola  <espindola@google.com>
3031
3032         * Makefile.am (memory_test.stdout): Run readelf with -W.
3033         * Makefile.in: Regenerate.
3034         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3035         64 bit output.
3036
3037 2010-09-08  Rafael Espindola  <espindola@google.com>
3038
3039         * script-sections.cc (Script_sections::add_memory_region): Convert
3040         field precision to int.
3041         * script.cc (script_set_section_region, script_set_section_region):
3042         Convert field precision to int.
3043
3044 2010-09-08  Rafael Espindola  <espindola@google.com>
3045
3046         * arm.cc (do_finalize_sections): Create the __exidx_start and
3047         __exdix_end symbols even when the section is missing.
3048
3049 2010-09-08  Nick Clifton  <nickc@redhat.com>
3050
3051         * README: Remove claim that MEMORY is not supported.
3052         * expression.cc (script_exp_function_origin)
3053         (script_exp_function_length): Move from here to ...
3054         * script.cc: ... here.
3055         (script_set_section_region, script_add_memory)
3056         (script_parse_memory_attr, script_include_directive): New
3057         functions.
3058         * script-sections.cc
3059         (class Memory_region): New class.
3060         (class Output_section_definition): Add set_memory_region,
3061         set_section_vma, set_section_lma and get_section_name methods.
3062         (class Script_Sections): Add add_memory_region,
3063         find_memory_region, find_memory_region_origin,
3064         find_memory_region_length and set_memory_region methods.
3065         Have set_section_addresses method walk the list of set memory
3066         regions.
3067         Extend the print methos to display memory regions.
3068         * script-sections.h: Add prototypes for new methods.
3069         Add enum for MEMORY region attributes.
3070         * yyscript.y: Add support for parsing MEMORY regions.
3071         * script-c.h: Add prototypes for new functions.
3072         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3073         * testsuite/Makefile.in: Regenerate.
3074         * testsuite/memory_test.sh: New script.
3075         * testsuite/memory_test.s: New assembler source file.
3076         * testsuite/memory_test.t: New linker script.
3077
3078 2010-08-27  Doug Kwan  <dougkwan@google.com>
3079
3080         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3081         reference override an existing dynamic weak reference.
3082         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3083         * testsuite/Makefile.in: Regenerate.
3084         * testsuite/dyn_weak_ref.sh: New file.
3085         * testsuite/dyn_weak_ref_1.c: Ditto.
3086         * testsuite/dyn_weak_ref_2.c: Ditto.
3087
3088 2010-08-27  Ian Lance Taylor  <iant@google.com>
3089
3090         * incremental.h (class Incremental_input_entry): Add virtual
3091         destructor.
3092
3093 2010-08-27  Ian Lance Taylor  <iant@google.com>
3094
3095         * testsuite/start_lib_test_3.c: Mark t3 as used.
3096
3097 2010-08-27  Nick Clifton  <nickc@redhat.com>
3098
3099         * options.cc (version_script): Fix small typo in previous
3100         whitespace tidyup.
3101
3102 2010-08-25  Nick Clifton  <nickc@redhat.com>
3103
3104         * archive.cc: Formatting fixes: Remove whitespace between
3105         typename and following asterisk.  Remove whitespace between
3106         function name and opening parenthesis.
3107         * archive.h: Likewise.
3108         * arm.cc: Likewise.
3109         * attributes.cc: Likewise.
3110         * attributes.h: Likewise.
3111         * common.cc: Likewise.
3112         * copy-relocs.cc: Likewise.
3113         * dirsearch.h: Likewise.
3114         * dynobj.cc: Likewise.
3115         * ehframe.cc: Likewise.
3116         * ehframe.h: Likewise.
3117         * expression.cc: Likewise.
3118         * fileread.cc: Likewise.
3119         * fileread.h: Likewise.
3120         * gc.h: Likewise.
3121         * gold-threads.cc: Likewise.
3122         * gold.cc: Likewise.
3123         * i386.cc: Likewise.
3124         * icf.h: Likewise.
3125         * incremental-dump.cc: Likewise.
3126         * incremental.cc: Likewise.
3127         * layout.cc: Likewise.
3128         * layout.h: Likewise.
3129         * main.cc: Likewise.
3130         * merge.cc: Likewise.
3131         * merge.h: Likewise.
3132         * object.cc: Likewise.
3133         * object.h: Likewise.
3134         * options.cc: Likewise.
3135         * options.h: Likewise.
3136         * output.cc: Likewise.
3137         * output.h: Likewise.
3138         * plugin.cc: Likewise.
3139         * plugin.h: Likewise.
3140         * powerpc.cc: Likewise.
3141         * reloc.cc: Likewise.
3142         * script-c.h: Likewise.
3143         * script-sections.cc: Likewise.
3144         * script.cc: Likewise.
3145         * stringpool.cc: Likewise.
3146         * symtab.cc: Likewise.
3147         * symtab.h: Likewise.
3148         * target.cc: Likewise.
3149         * timer.cc: Likewise.
3150         * timer.h: Likewise.
3151         * version.cc: Likewise.
3152         * x86_64.cc: Likewise.
3153
3154 2010-08-24  Nick Clifton  <nickc@redhat.com>
3155
3156         PR 11899
3157         * layout.cc (segment_precedes): Sort segments by their physical
3158         addresses, if they have been set.
3159
3160 2010-08-23  Cary Coutant  <ccoutant@google.com>
3161
3162         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3163         symbols data.
3164         (Lib_group::include_member): Unlock object after deleting its
3165         symbols data.
3166         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3167         the bug fixed here.
3168
3169 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3170             Cary Coutant  <ccoutant@google.com>
3171
3172         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3173         constructor, and set_blocker.
3174         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3175         readsyms_blocker_.
3176         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3177         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3178         * testsuite/Makefile.am (start_lib_test): New test case.
3179         * testsuite/Makefile.in: Regenerate.
3180         * testsuite/start_lib_test_main.c: New file.
3181         * testsuite/start_lib_test_1.c: New file.
3182         * testsuite/start_lib_test_2.c: New file.
3183         * testsuite/start_lib_test_3.c: New file.
3184
3185 2010-08-19  Ian Lance Taylor  <iant@google.com>
3186
3187         * Makefile.in: Rebuild with automake 1.11.1.
3188         * aclocal.m4: Likewise.
3189         * testsuite/Makefile.in: Likewise.
3190
3191 2010-08-19  Ian Lance Taylor  <iant@google.com>
3192
3193         PR 10893
3194         * i386.cc (class Output_data_plt_i386): Update declarations.
3195         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3196         local_ifuncs_ fields.
3197         (Target_i386::do_plt_section_for_global): New function.
3198         (Target_i386::do_plt_section_for_local): New function.
3199         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3200         parameter; change all callers.  Initialize global_ifuncs_ and
3201         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3202         __rel_iplt_end.
3203         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3204         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3205         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3206         symbols.
3207         (Target_i386::make_plt_section): New function, broken out of
3208         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3209         (Target_i386::make_plt_entry): Call make_plt_section.
3210         (Target_i386::make_local_ifunc_plt_entry): New function.
3211         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3212         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3213         R_386_IRELATIVE to switch.
3214         (Target_i386::Scan::global): Likewise.
3215         (Target_i386::Relocate::relocate): Likewise.
3216         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3217         switch.
3218         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3219         (Target_x86_64::do_plt_section_for_global): New function.
3220         (Target_x86_64::do_plt_section_for_local): New function.
3221         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3222         parameter; change all callers.  If doing a static link define
3223         __rela_iplt_start and __rela_iplt_end.
3224         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3225         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3226         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3227         to point to .plt.
3228         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3229         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3230         switch.
3231         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3232         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3233         R_X86_64_IRELATIVE to switch.
3234         (Target_x86_64::Scan::global): Likewise.
3235         (Target_x86_64::Relocate::relocate): Likewise.
3236         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3237         switch.
3238         * target.h (class Target): Add plt_section_for_global and
3239         plt_section_for_local functions.  Add do_plt_section_for_global
3240         and do_plt_section_for_local virtual functions.
3241         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3242         clarifying comments.
3243         (Symbol::use_plt_offset): Handle IFUNC symbol.
3244         * object.cc (Sized_relobj::Sized_relobj): Initialize
3245         local_plt_offsets_.
3246         (Sized_relobj::local_has_plt_offset): New function.
3247         (Sized_relobj::local_plt_offset): New function.
3248         (Sized_relobj::set_local_plt_offset): New function.
3249         (Sized_relobj::do_count): Handle IFUNC symbol.
3250         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3251         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3252         is_ifunc_symbol functions.
3253         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3254         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3255         local_plt_offsets_ field.
3256         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3257         * output.h (class Output_section_data): Add non-const
3258         output_section function.
3259         (class Output_data_got): Update declarations.
3260         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3261         Add use_plt_offset parameter to global and local constructors.
3262         Change all callers.  Change local_sym_index_ field to 31 bits.
3263         Change GSYM_CODE and CONSTANT_CODE accordingly.
3264         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3265         doing a static link don't set sh_link field.
3266         (Output_data_got::Got_entry::write): Use PLT offset if
3267         appropriate.
3268         (Output_data_got::add_global_plt): New function.
3269         (Output_data_got::add_local_plt): New function.
3270         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3271         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3272         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3273         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3274         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3275         IFUNC conditional.
3276         * testsuite/ifunc-sel.h: New file.
3277         * testsuite/ifuncmain1.c: New file.
3278         * testsuite/ifuncmain1vis.c: New file.
3279         * testsuite/ifuncmod1.c: New file.
3280         * testsuite/ifuncdep2.c: New file.
3281         * testsuite/ifuncmain2.c: New file.
3282         * testsuite/ifuncmain3.c: New file.
3283         * testsuite/ifuncmod3.c: New file.
3284         * testsuite/ifuncmain4.c: New file.
3285         * testsuite/ifuncmain5.c: New file.
3286         * testsuite/ifuncmod5.c: New file.
3287         * testsuite/ifuncmain6pie.c: New file.
3288         * testsuite/ifuncmod6.c: New file.
3289         * testsuite/ifuncmain7.c: New file.
3290         * configure, testsuite/Makefile.in: Rebuild.
3291
3292 2010-08-18  Ian Lance Taylor  <iant@google.com>
3293
3294         * incremental.cc
3295         (Output_section_incremental_inputs::write_input_files): Add cast
3296         to avoid signed/unsigned comparison warning.
3297         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3298
3299 2010-08-12  Cary Coutant  <ccoutant@google.com>
3300
3301         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3302
3303 2010-08-13  Ian Lance Taylor  <iant@google.com>
3304
3305         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3306
3307 2010-08-12  Cary Coutant  <ccoutant@google.com>
3308             Doug Kwan  <dougkwan@google.com>
3309
3310         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3311         defintion overrides non-weak undef, remember that the original undef
3312         is not weak.
3313         * symtab.cc (Symbol_table::sized_write_global): For undef without
3314         an original weak binding, set binding to global in output.
3315         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3316         * testsuite/Makefile.in: Regenerate.
3317         * testsuite/strong_ref_weak_def.sh: New file.
3318         * testsuite/strong_ref_weak_def_1.c: Ditto.
3319         * testsuite/strong_ref_weak_def_2.c: Ditto.
3320
3321 2010-08-12  Cary Coutant  <ccoutant@google.com>
3322
3323         * testsuite/incremental_test.sh: Rewrite.
3324         * testsuite/incremental_test_1.c: Rewrite.
3325         * testsuite/incremental_test_2.c: Rewrite.
3326
3327 2010-08-12  Cary Coutant  <ccoutant@google.com>
3328
3329         * arm.cc (Target_arm::got_size): Add const.
3330         (Target_arm::got_entry_count): New function.
3331         (Target_arm::plt_entry_count): New function.
3332         (Target_arm::first_plt_entry_offset): New function.
3333         (Target_arm::plt_entry_size): New function.
3334         (Output_data_plt_arm::entry_count): New function.
3335         (Output_data_plt_arm::first_plt_entry_offset): New function.
3336         (Output_data_plt_arm::get_plt_entry_size): New function.
3337         * i386.cc (Target_i386::got_size): Add const.
3338         (Target_i386::got_entry_count): New function.
3339         (Target_i386::plt_entry_count): New function.
3340         (Target_i386::first_plt_entry_offset): New function.
3341         (Target_i386::plt_entry_size): New function.
3342         (Output_data_plt_i386::entry_count): New function.
3343         (Output_data_plt_i386::first_plt_entry_offset): New function.
3344         (Output_data_plt_i386::get_plt_entry_size): New function.
3345         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3346         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3347         * incremental.cc: Include target.h.
3348         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3349         parameter.  Adjust all callers.  Find incremental_got_plt section.
3350         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3351         section.
3352         (Output_section_incremental_inputs::set_final_data_size): Calculate
3353         size of incremental_got_plt section.
3354         (Output_section_incremental_inputs::do_write): Write the
3355         incremental_got_plt section.
3356         (Got_plt_view_info): New struct.
3357         (Local_got_offset_visitor): New class.
3358         (Global_got_offset_visitor): New class.
3359         (Global_symbol_visitor_got_plt): New class.
3360         (Output_section_incremental_inputs::write_got_plt): New function.
3361         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3362         Add parameter.  Adjust all callers.
3363         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3364         (Incremental_inputs::got_plt_section): New function.
3365         (Incremental_inputs::got_plt_section_): New data member.
3366         (Incremental_got_plt_reader): New class.
3367         * layout.cc (Layout::create_incremental_info_sections): Add the
3368         incremental_got_plt section.
3369         * object.h (Got_offset_list::get_list): New function.
3370         (Got offset_list::for_all_got_offsets): New function.
3371         (Sized_relobj::local_got_offset_list): New function.
3372         * powerpc.cc (Target_powerpc::got_size): Add const.
3373         (Target_powerpc::got_entry_count): New function.
3374         (Target_powerpc::plt_entry_count): New function.
3375         (Target_powerpc::first_plt_entry_offset): New function.
3376         (Target_powerpc::plt_entry_size): New function.
3377         (Output_data_plt_powerpc::entry_count): New function.
3378         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3379         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3380         * sparc.cc (Target_sparc::got_size): Add const.
3381         (Target_sparc::got_entry_count): New function.
3382         (Target_sparc::plt_entry_count): New function.
3383         (Target_sparc::first_plt_entry_offset): New function.
3384         (Target_sparc::plt_entry_size): New function.
3385         (Output_data_plt_sparc::entry_count): New function.
3386         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3387         (Output_data_plt_sparc::get_plt_entry_size): New function.
3388         * symtab.h (Symbol::got_offset_list): New function.
3389         (Symbol_table::for_all_symbols): New function.
3390         * target.h (Sized_target::got_entry_count): New function.
3391         (Sized_target::plt_entry_count): New function.
3392         (Sized_target::plt_entry_size): New function.
3393         * x86_64.cc (Target_x86_64::got_size): Add const.
3394         (Target_x86_64::got_entry_count): New function.
3395         (Target_x86_64::plt_entry_count): New function.
3396         (Target_x86_64::first_plt_entry_offset): New function.
3397         (Target_x86_64::plt_entry_size): New function.
3398         (Output_data_plt_x86_64::entry_count): New function.
3399         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3400         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3401
3402 2010-08-12  Cary Coutant  <ccoutant@google.com>
3403
3404         * archive.cc: Include incremental.h.
3405         (Archive::Archive): Initialize incremental_info_.
3406         (Archive::include_member): Record archive members in incremental info.
3407         (Add_archive_symbols::run): Record begin and end of an archive in
3408         incremental info.
3409         (Lib_group::include_member): Record objects in incremental info.
3410         * archive.h (Incremental_archive_entry): Forward declaration.
3411         (Archive::set_incremental_info): New member function.
3412         (Archive::incremental_info): New member function.
3413         (Archive::Unused_symbol_iterator): New class.
3414         (Archive::unused_symbols_begin): New member function.
3415         (Archive::unused_symbols_end): New member function.
3416         (Archive::incremental_info_): New data member.
3417         * incremental-dump.cc (find_input_containing_global): New function.
3418         (dump_incremental_inputs): Dump new incremental info sections.
3419         * incremental.cc: Include symtab.h.
3420         (Output_section_incremental_inputs): New class.
3421         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3422         new incremental info sections.
3423         (Sized_incremental_binary::do_check_inputs): Likewise.
3424         (Incremental_inputs::report_archive): Remove.
3425         (Incremental_inputs::report_archive_begin): New function.
3426         (Incremental_inputs::report_archive_end): New function.
3427         (Incremental_inputs::report_object): New function.
3428         (Incremental_inputs::finalize_inputs): Remove.
3429         (Incremental_inputs::report_input_section): New function.
3430         (Incremental_inputs::report_script): Rewrite.
3431         (Incremental_inputs::finalize): Do nothing but finalize string table.
3432         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3433         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3434         (Incremental_inputs::create_data_sections): New function.
3435         (Incremental_inputs::relocs_entsize): New function.
3436         (Output_section_incremental_inputs::set_final_data_size): New function.
3437         (Output_section_incremental_inputs::do_write): New function.
3438         (Output_section_incremental_inputs::write_header): New function.
3439         (Output_section_incremental_inputs::write_input_files): New function.
3440         (Output_section_incremental_inputs::write_info_blocks): New function.
3441         (Output_section_incremental_inputs::write_symtab): New function.
3442         * incremental.h (Incremental_script_entry): Forward declaration.
3443         (Incremental_object_entry): Forward declaration.
3444         (Incremental_archive_entry): Forward declaration.
3445         (Incremental_inputs): Forward declaration.
3446         (Incremental_inputs_header_data): Remove.
3447         (Incremental_inputs_header): Remove.
3448         (Incremental_inputs_header_write): Remove.
3449         (Incremental_inputs_entry_data): Remove.
3450         (Incremental_inputs_entry): Remove.
3451         (Incremental_inputs_entry_write): Remove.
3452         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3453         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3454         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3455         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3456         Likewise.
3457         (Incremental_input_entry): New class.
3458         (Incremental_script_entry): New class.
3459         (Incremental_object_entry): New class.
3460         (Incremental_archive_entry): New class.
3461         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3462         (Incremental_inputs::report_inputs): Remove.
3463         (Incremental_inputs::report_archive): Remove.
3464         (Incremental_inputs::report_archive_begin): New function.
3465         (Incremental_inputs::report_archive_end): New function.
3466         (Incremental_inputs::report_object): Change prototype.
3467         (Incremental_inputs::report_input_section): New function.
3468         (Incremental_inputs::report_script): Change prototype.
3469         (Incremental_inputs::get_reloc_count): New function.
3470         (Incremental_inputs::set_reloc_count): New function.
3471         (Incremental_inputs::create_data_sections): New function.
3472         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3473         (Incremental_inputs::inputs_section): New function.
3474         (Incremental_inputs::symtab_section): New function.
3475         (Incremental_inputs::relocs_section): New function.
3476         (Incremental_inputs::get_stringpool): Add const.
3477         (Incremental_inputs::command_line): Add const.
3478         (Incremental_inputs::inputs): Remove.
3479         (Incremental_inputs::command_line_key): New function.
3480         (Incremental_inputs::input_file_count): New function.
3481         (Incremental_inputs::input_files): New function.
3482         (Incremental_inputs::relocs_entsize): New function.
3483         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3484         (Incremental_inputs::finalize_inputs): Remove.
3485         (Incremental_inputs::Input_info): Remove.
3486         (Incremental_inputs::lock_): Remove.
3487         (Incremental_inputs::inputs_): Change type.
3488         (Incremental_inputs::inputs_map_): Remove.
3489         (Incremental_inputs::current_object_entry_): New data member.
3490         (Incremental_inputs::inputs_section_): New data member.
3491         (Incremental_inputs::symtab_section_): New data member.
3492         (Incremental_inputs::relocs_section_): New data member.
3493         (Incremental_inputs::reloc_count_): New data member.
3494         (Incremental_inputs_reader): New class.
3495         (Incremental_symtab_reader): New class.
3496         (Incremental_relocs_reader): New class.
3497         * layout.cc (Layout::finalize): Move finalization of incremental info
3498         and creation of incremental info sections to follow finalization of
3499         symbol table.  Set offsets for postprocessing sections.
3500         (Layout::create_incremental_info_sections): Call
3501         Incremental_inputs::create_data_sections.  Add incremental symtab
3502         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3503         sections to layout after input sections.
3504         * layout.h (struct Timespec): Forward declaration.
3505         (Layout::incremental_inputs): Add const.
3506         (Layout::create_incremental_info_sections): Add parameter.
3507         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3508         * object.cc: Include incremental.h.
3509         (Relobj::finalize_incremental_relocs): New function.
3510         (Sized_relobj::do_layout): Record input sections in incremental info.
3511         * object.h (Object::output_section): New function.
3512         (Object::output_section_offset): Moved from Relobj.
3513         (Object::get_incremental_reloc_base): New function.
3514         (Object::get_incremental_reloc_count): New function.
3515         (Object::do_output_section): New function.
3516         (Object::do_output_section_offset): Moved from Relobj.
3517         (Object::do_get_incremental_reloc_base): New function.
3518         (Object::do_get_incremental_reloc_count): New function.
3519         (Object::Object): Initialize new data members.
3520         (Relobj::output_section): Renamed do_output_section and moved to
3521         protected.
3522         (Relobj::output_section_offset): Moved to Object.
3523         (Relobj::do_get_incremental_reloc_base): New function.
3524         (Relobj::do_get_incremental_reloc_count): New function.
3525         (Relobj::allocate_incremental_reloc_counts): New function.
3526         (Relobj::count_incremental_reloc): New function.
3527         (Relobj::finalize_incremental_relocs): New function.
3528         (Relobj::next_incremental_reloc_index): New function.
3529         (Relobj::reloc_counts_): New data member.
3530         (Relobj::reloc_bases_): New data member.
3531         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3532         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3533         (Sized_relobj::incremental_relocs_scan): New function.
3534         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3535         (Sized_relobj::incremental_relocs_write): New function.
3536         (Sized_relobj::incremental_relocs_write_reltype): New function.
3537         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3538         incremental link.
3539         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3540         archives and object files elsewhere.
3541         (Add_symbols::run): Report object files here.
3542         (Finish_group::run): Report end of archive at end of group.
3543         * reloc.cc: Include layout.h, incremental.h.
3544         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3545         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3546         (Sized_relobj::incremental_relocs_scan): New function.
3547         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3548         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3549         (Sized_relobj::incremental_relocs_write): New function.
3550         (Sized_relobj::incremental_relocs_write_reltype): New function.
3551         * script.cc (read_input_script): Rewrite test for incremental link.
3552         Change call to Incremental_inputs::report_script.
3553         * symtab.h (Symbol_table::first_global_index): New function.
3554         (Symbol_table::output_count): New function.
3555
3556 2010-08-12  Doug Kwan  <dougkwan@google.com>
3557
3558         * arm.cc (Target_arm::merge_object_attributes): Check command line
3559         options --no-wchar-size-warning and --no-enum-size-warning.
3560         * options.h (General_options): Add ld-compatible options
3561         --no-enum-size-warning and --no-wchar-size-warning.
3562
3563 2010-08-04  Ian Lance Taylor  <iant@google.com>
3564
3565         * x86_64.cc (Target_x86_64::Scan::local): Use
3566         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3567         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3568         (Target_x86_64::Scan::global): Likewise.
3569         (Target_x86_64::Relocate::relocate): Likewise.
3570         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3571         Likewise.
3572
3573 2010-08-03  Cary Coutant  <ccoutant@google.com>
3574
3575         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3576         to reserve space in merged_strings vector. Keep total input size
3577         for stats.
3578         (Output_merge_string::do_print_merge_stats): Print total input size.
3579         * merge.h (Output_merge_string): Add input_size_ field.
3580         * stringpool.cc (Stringpool_template::string_length): Move
3581         implementations out of Stringpool_template class and place in
3582         stringpool.h.
3583         * stringpool.h (string_length): Move out of Stringpool_template.
3584
3585 2010-08-03  Ian Lance Taylor  <iant@google.com>
3586
3587         PR 11712
3588         * layout.cc (relaxation_loop_body): If address of load segment is
3589         set, adjust address to include headers if possible.
3590
3591 2010-08-03  Ian Lance Taylor  <iant@google.com>
3592
3593         * version.cc (version_string): Bump to 1.10.
3594
3595 2010-08-03  Ian Lance Taylor  <iant@google.com>
3596
3597         PR 11805
3598         * layout.h (enum Output_section_order): Define.
3599         (class Layout): Update declarations.
3600         * layout.cc (Layout::get_output_section): Add order parameter.
3601         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3602         is_first_non_relro parameters.  Change all callers.
3603         (Layout::choose_output_section): Likewise.
3604         (Layout::add_output_section_data): Likewise.
3605         (Layout::make_output_section): Likewise.  Set order.
3606         (Layout::default_section_order): New function.
3607         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3608         * output.cc (Output_section::Output_section): Initialize order_.
3609         Don't initialize deleted fields.
3610         (Output_segment::Output_segment): Don't initialize deleted
3611         fields.
3612         (Output_segment::add_output_section_to_load): New function
3613         replacing add_output_section.  Change all callers to call this or
3614         add_output_section_to_nonload.
3615         (Output_segment::add_output_section_to_nonload): New function.
3616         (Output_segment::remove_output_section): Rewrite.
3617         (Output_segment::add_initial_output_data): Likewise.
3618         (Output_segment::has_any_data_sections): Likewise.
3619         (Output_segment::is_first_section_relro): Likewise.
3620         (Output_segment::maximum_alignment): Likewise.
3621         (Output_segment::has_dynamic_reloc): New function replacing
3622         dynamic_reloc_count.  Change all callers.
3623         (Output_segment::has_dynamic_reloc_list): New function replacing
3624         dynamic_reloc_count_list.  Change all callers.
3625         (Output_segment::set_section_addresses): Rewrite.
3626         (Output_segment::set_offset): Rewrite.
3627         (Output_segment::find_first_and_last_list): Remove.
3628         (Output_segment::set_tls_offsets): Rewrite.
3629         (Output_segment::first_section_load_address): Likewise.
3630         (Output_segment::output_section_count): Likewise.
3631         (Output_segment::section_with_lowest_load_address): Likewise.
3632         (Output_segment::write_section_headers): Likewise.
3633         (Output_segment::print_sections_to_map): Likewise.
3634         * output.h (class Output_data): Remove dynamic_reloc_count_
3635         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3636         (Output_data::add_dynamic_reloc): Rewrite.
3637         (Output_data::has_dynamic_reloc): New function.
3638         (Output_data::dynamic_reloc_count): Remove.
3639         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3640         is_last_relro_, is_first_non_relro_, is_interp_,
3641         is_dynamic_linker_section_ fields.  Add order and set_order
3642         functions.  Remove is_relro_local, set_is_relro_local,
3643         is_last_relro, set_is_last_relro, is_first_non_relro,
3644         set_is_first_non_relro functions, is_interp, set_is_interp,
3645         is_dynamic_linker_section, and set_is_dynamic_linker_section
3646         functions.
3647         (class Output_segment): Change Output_data_list from std::list to
3648         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3649         output_bss_ fields.  Update declarations.
3650
3651 2010-08-02  Ian Lance Taylor  <iant@google.com>
3652
3653         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3654         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3655         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3656
3657 2010-08-02  Ian Lance Taylor  <iant@google.com>
3658
3659         PR 11855
3660         * script.cc (Script_options::Script_options): Initialize
3661         symbol_definitions_ and symbol_references_.
3662         (Script_options::add_symbol_assignment): Update
3663         symbol_definitions_ and symbol_references_.
3664         (Script_options::add_symbol_reference): New function.
3665         (script_symbol): New function.
3666         * script.h (class Script_options): Add symbol_definitions_ and
3667         symbol_references_ fields.
3668         (Script_options::referenced_const_iterator): New type.
3669         (Script_options::referenced_begin): New function.
3670         (Script_options::referenced_end): New function.
3671         (Script_options::is_referenced): New function.
3672         (Script_options::any_unreferenced): New function.
3673         * script-c.h (script_symbol): Declare.
3674         * yyscript.y (exp): Call script_symbol.
3675         * symtab.cc: Include "script.h".
3676         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3677         Change all callers.  Check symbols referenced by scripts.
3678         (Symbol_table::add_undefined_symbols_from_command_line): Add
3679         layout parameter.  Change all callers.
3680         (Symbol_table::do_add_undefined_symbols_from_command_line):
3681         Likewise.  Break out loop body.  Check symbols referenced by
3682         scripts.
3683         (Symbol_table::add_undefined_symbol_from_command_line): New
3684         function broken out of
3685         do_add_undefined_symbols_from_command_line.
3686         * symtab.h (class Symbol_table): Update declarations.
3687         * archive.cc: Include "layout.h".
3688         (Archive::should_include_member): Add layout parameter.  Change
3689         all callers.  Check for symbol mentioned in expression.
3690         * archive.h (class Archive): Update declaration.
3691         * object.cc (Sized_relobj::do_should_include_member): Add layout
3692         parameter.
3693         * object.h (Object::should_include_member): Add layout parameter.
3694         Change all callers.
3695         (Object::do_should_include_member): Add layout parameter.
3696         (class Sized_relobj): Update declaration.
3697         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3698         parameter.
3699         * dynobj.h (class Sized_dynobj): Update declaration.
3700         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3701         layout parameter.
3702         * plugin.h (class Sized_pluginobj): Update declaration.
3703
3704 2010-08-02  Ian Lance Taylor  <iant@google.com>
3705
3706         PR 11866
3707         * output.cc (Output_segment::set_offset): Search for the first and
3708         last sections rather than assuming that the list is in order.
3709         (Output_segment::find_first_and_last_list): New function.
3710         * output.h (class Output_segment): Update declarations.
3711         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3712         (relro_strip_test_SOURCES): New variable.
3713         (relro_strip_test_DEPENDENCIES): New variable.
3714         (relro_strip_test_LDFLAGS): New variable.
3715         (relro_strip_test_LDADD): New variable.
3716         (relro_strip_test.so): New target.
3717
3718 2010-08-02  Ian Lance Taylor  <iant@google.com>
3719
3720         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3721         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3722         (Target_i386::got_tlsdesc_section): New function.
3723         (Target_i386::got_section): Create space for GOT entries for
3724         TLSDESC relocations.
3725         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3726         R_386_TLS_GOTDESC.
3727         (Target_i386::Scan::global): Likewise.
3728         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3729         using TLSDESC GOT.
3730         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3731         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3732         (Target_x86_64::got_tlsdesc_section): New function.
3733         (Target_x86_64::got_section): Create space for GOT entries for
3734         TLSDESC relocations.
3735         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3736         R_386_TLS_GOTDESC.
3737         (Target_x86_64::Scan::global): Likewise.
3738         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3739         using TLSDESC GOT.
3740
3741 2010-08-02  Ian Lance Taylor  <iant@google.com>
3742
3743         * testsuite/final_layout.sh: Use dc to convert from hex to
3744         decimal.
3745
3746 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
3747
3748         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3749         paramter to the call to gold::gc_process_relocs.
3750         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3751         paramter to the call to gold::gc_process_relocs.
3752         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3753         parameter to the call to gold::gc_process_relocs.
3754         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3755         template parameter to the call to gold::gc_process_relocs.
3756         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3757         paramter to the call to gold::gc_process_relocs.
3758         * gc.h (get_embedded_addend_size): New function.
3759         (gc_process_relocs): Save the size of the reloc for use by ICF.
3760         * icf.cc (get_section_contents): Get the addend from the text section
3761         for SHT_REL relocation sections.
3762         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3763         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3764         * int_encoding.h (read_from_pointer): New overloaded function.
3765         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3766         * testsuite/icf_sht_rel_addend_test.sh: New file.
3767         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3768         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3769
3770 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3771
3772         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3773         * Makefile.in: Regenerate.
3774         * testsuite/Makefile.in: Regenerate.
3775
3776 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
3777
3778         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3779         * gold/testsuite/debug_msg.cc: Likewise.
3780         * gold/testsuite/odr_violation1.cc
3781         * gold/testsuite/odr_violation2.cc
3782
3783 2010-07-21  Cary Coutant  <ccoutant@google.com>
3784
3785         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3786         string, and length fields.
3787         (Output_merge_string::Merged_strings_list): New type.
3788         (Output_merge_string::Merged_strings_lists): New typedef.
3789         (Output_merge_string): Replace merged_strings_ with
3790         merged_strings_lists_.
3791         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3792         Merged_strings_list per input object and section.  Don't store pointer
3793         to the string.  Don't store length with each merged string entry.
3794         (Output_merge_string::finalize_merged_data): Loop over list of merged
3795         strings lists.  Recompute length of each merged string.
3796
3797 2010-07-15  Cary Coutant  <ccoutant@google.com>
3798
3799         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3800         here.
3801
3802 2010-07-14  Ian Lance Taylor  <iant@google.com>
3803
3804         * descriptors.cc (Descriptors::open): Report correct name in error
3805         message.
3806
3807 2010-07-13  Doug Kwan  <dougkwan@google.com>
3808
3809         * arm.cc (Arm_input_section::Arm_input_section): For a
3810         SHT_ARM_EXIDX section, always keeps the input sections.
3811         (Arm_input_section::set_exidx_section_link): New method.
3812         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3813         has_errors_ to false.
3814         (Arm_exidx_input_section::has_errors,
3815         Arm_exidx_input_section::set_has_errors): New methods.
3816         (Arm_exidx_input_section::has_errors_): New data member.
3817         (Arm_relobj::get_exidx_shndx_list): New method.
3818         (Arm_output_section::append_text_sections_to_list): Do not skip
3819         section without SHF_EXECINSTR.
3820         (Arm_output_section::fix_exidx_coverage): Skip input sections with
3821         errors.
3822         (Arm_relobj::make_exidx_input_section): Add new parameter for text
3823         section header.  Make error messages more verbose.  Check for
3824         a non-executable section linked to an EXIDX section.
3825         (Arm_relobj::do_read_symbols): Remove error checking, which has been
3826         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
3827         check that there is no deferred EXIDX section if we exit early.
3828         Instead of not making an EXIDX section in case of an error, make one
3829         and set the has_errors flag of it.
3830         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3831         in a relocatable link.
3832         (Target_arm::do_relax): Look for the EXIDX output section instead of
3833         assuming that it is called .ARM.exidx.
3834         (Target_arm::fix_exidx_coverage): Add a new parameter for input
3835         section list.  Do not check for SHF_EXECINSTR section flags but
3836         skip any input section with errors.
3837         * output.cc (Output_section::Output_section): Initialize
3838         always_keeps_input_sections_ to false.
3839         (Output_section::add_input_section): Check for
3840         always_keeps_input_sections_.
3841         *  output.h (Output_section::always_keeps_input_sections,
3842         Output_section::set_always_keeps_input_sections): New methods.
3843         (Output_section::always_keeps_input_sections): New data member.
3844
3845 2010-07-13  Rafael Espindola  <espindola@google.com>
3846
3847         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
3848         * fileread.h (Input_file): Add try_extra_search_path and find_file.
3849
3850 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
3851             Ian Lance Taylor  <iant@google.com>
3852
3853         * output.h (Output_section_lookup_maps::add_merge_section):
3854         Correct check of whether value was inserted.
3855         (Output_section_lookup_maps::add_merge_input_section): Likewise.
3856         (Output_section_lookup_maps::add_relaxed_input_section):
3857         Likewise.
3858         * arm.cc (Target_arm::got_section): Remove used local os.
3859         * i386.cc (Target_i386::got_section): Likewise.
3860         * x86_64.cc (Target_x86_64::got_section): Likewise.
3861         * sparc.cc (Target_sparc::got_section): Likewise.
3862         (Target_sparc::relocate): Remove unused local have_got_offset.
3863         * powerpc.cc (Target_powerpc::relocate): Likewise.
3864
3865 2010-07-13  Ian Lance Taylor  <iant@google.com>
3866
3867         * compressed_output.cc (zlib_decompress): Fix signature in
3868         !HAVE_ZLIB_H case.
3869
3870         * archive.cc (Archive::include_member): Unlock an external member
3871         of a thin archive.  Don't bother to delete an object we know is
3872         NULL.
3873
3874 2010-07-12  Cary Coutant  <ccoutant@google.com>
3875
3876         * compressed_output.cc (zlib_decompress): New function.
3877         (get_uncompressed_size): New function.
3878         (decompress_input_section): New function.
3879         * compressed_output.h (get_uncompressed_size): New function.
3880         (decompress_input_section): New function.
3881         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
3882         Handle compressed debug sections.
3883         * layout.cc (is_compressed_debug_section): New function.
3884         (Layout::output_section_name): Map compressed section names to
3885         canonical names.
3886         * layout.h (is_compressed_debug_section): New function.
3887         (is_debug_info_section): Recognize compressed debug sections.
3888         * merge.cc: Include compressed_output.h.
3889         (Output_merge_data::do_add_input_section): Handle compressed
3890         debug sections.
3891         (Output_merge_string::do_add_input_section): Handle compressed
3892         debug sections.
3893         * object.cc: Include compressed_output.h.
3894         (Sized_relobj::Sized_relobj): Initialize new data members.
3895         (build_compressed_section_map): New function.
3896         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
3897         * object.h (Object::section_is_compressed): New method.
3898         (Object::do_section_is_compressed): New method.
3899         (Sized_relobj::Compressed_section_map): New type.
3900         (Sized_relobj::do_section_is_compressed): New method.
3901         (Sized_relobj::compressed_sections_): New data member.
3902         * output.cc (Output_section::add_input_section): Handle compressed
3903         debug sections.
3904         * reloc.cc: Include compressed_output.h.
3905         (Sized_relobj::write_sections): Handle compressed debug sections.
3906
3907 2010-07-08  Cary Coutant  <ccoutant@google.com>
3908
3909         * resolve.cc (Symbol_table::resolve): Remember whether undef was
3910         weak when resolving to a dynamic def.
3911         (Symbol_table::should_override): Add adjust_dyndef flag; set it
3912         for weak undef/dynamic def cases. Adjust callers.
3913         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
3914         undef_binding_weak_.
3915         (Symbol_table::sized_write_globals): Adjust symbol binding.
3916         (Symbol_table::sized_write_symbol): Add binding parameter.
3917         * symtab.h (Symbol::set_undef_binding): New method.
3918         (Symbol::is_undef_binding_weak): New method.
3919         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
3920         (Symbol_table::should_override): Add new parameter.
3921         (Symbol_table::sized_write_symbol): Add new parameter.
3922
3923         * testsuite/weak_undef_file1.cc: Add new test case.
3924         * testsuite/weak_undef_file2.cc: Fix header comment.
3925         * testsuite/weak_undef_test.cc: Add new test case.
3926
3927 2010-06-29  Doug Kwan  <dougkwan@google.com>
3928
3929         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
3930         Initialize USE_SYMBOL_.
3931         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
3932         definition.
3933         (Arm_reloc_property::uses_symbol_): New data member declaration.
3934         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
3935         uses symbol value and symbol is undefined but not weakly undefined.
3936
3937 2010-06-28  Rafael Espindola  <espindola@google.com>
3938
3939         * plugin.cc (Plugin::load): Use dlerror.
3940
3941 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
3942
3943         * symtab.cc (detect_odr_violations): When reporting an ODR
3944         violation, report an object where the symbol is defined.
3945
3946 2010-06-25  Doug Kwan  <dougkwan@google.com>
3947
3948         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
3949         (Target_arm::section_may_have_icf_unsafe_pointers): New method
3950         definition.
3951         (Target_arm::Scan::local_reloc_may_be_function_pointer,
3952         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
3953         target hook to detect function points.
3954         (Target_arm::Scan::possible_function_pointer_reloc): New method.
3955         * icf.h (Icf::check_section_for_function_pointers): Change type of
3956         parameter SECTION_NAME to const reference to std::string.  Use
3957         target hook to determine if section may have unsafe pointers.
3958         * target.h (Target::section_may_have_icf_unsafe_pointers): New
3959         method definition.
3960
3961 2010-06-21  Rafael Espindola  <espindola@google.com>
3962
3963         * fileread.cc (Input_file::find_fie): New
3964         (Input_file::open): Use Input_file::find_fie.
3965         * fileread.h (Input_file::find_fie): New
3966         * plugin.cc (set_extra_library_path): New.
3967         (Plugin::load): Add set_extra_library_path to the transfer vector.
3968         (Plugin_manager::set_extra_library_path): New.
3969         (Plugin_manager::add_input_file): Use the extra search path if set.
3970         (set_extra_library_path(): New.
3971         * plugin.h (Plugin_manager): Add set_extra_library_path and
3972         extra_search_path_.
3973
3974 2010-06-19  Cary Coutant  <ccoutant@google.com>
3975
3976         * layout.cc (gdb_sections): Add .debug_types.
3977         (lines_only_debug_sections): Likewise.
3978
3979 2010-06-18  Rafael Espindola  <espindola@google.com>
3980
3981         * plugin.cc (add_input_file,add_input_library)
3982         (Plugin_manager::add_input_file): Make filename arguments const.
3983         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
3984         const.
3985
3986 2010-06-16  Doug Kwan  <dougkwan@google.com>
3987
3988         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
3989         .ARM.attributes section if we have not merged any input
3990         attributes sections.
3991
3992 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3993
3994         * arm.cc: Allow combining objects with no EABI version
3995         information.
3996
3997 2010-06-15  Rafael Espindola  <espindola@google.com>
3998
3999         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4000
4001 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4002
4003         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4004         (struct iovec): Correct !HAVE_READV definition.
4005
4006 2010-06-10  Cary Coutant  <ccoutant@google.com>
4007
4008         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4009         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4010         reloc sections.
4011         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4012
4013         PR 11683
4014         * symtab.h (Symbol::is_placeholder): New member function.
4015         * target-reloc.h (relocate_section): Check for placeholder symbols.
4016
4017         * testsuite/Makefile.am (plugin_test_8): New test.
4018         (plugin_test_9): New test.
4019         * testsuite/Makefile.in: Regenerate.
4020
4021 2010-06-09  Nick Clifton  <nickc@redhat.com>
4022
4023         * yyscript.y (input_list_element): Allow strings prefixed with
4024         the '-' character.  Treat these as libraries.
4025         * script.cc (script_add_library): New function.  Adds a library
4026         specified by "-l<name>" found in an input script.
4027         * script-c.h: Add prototype for script_add_library.
4028
4029 2010-06-07  Doug Kwan  <dougkwan@google.com>
4030
4031         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4032         Restrict stub-group size to be within long conditional branch
4033         range when working around cortex-A8 erratum.
4034
4035 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4036
4037         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4038         #ifdef typo.
4039
4040 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4041
4042         PR gold/11658
4043         * output.cc
4044         (Output_section::Input_section_sort_entry::compare_section_ordering):
4045         Change to return non-zero correctly.
4046         (Output_section::Input_section_sort_section_order_index_compare
4047         ::operator()): Change to fix ambiguity in comparisons.
4048
4049 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4050
4051         * gold.h (is_wildcard_string): New function.
4052         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4053         (Layout::layout_eh_frame): Ditto.
4054         (Layout::find_section_order_index): New method.
4055         (Layout::read_layout_from_file): New method.
4056         * layout.h (Layout::find_section_order_index): New method.
4057         (Layout::read_layout_from_file): New method.
4058         (Layout::input_section_position_): New private member.
4059         (Layout::input_section_glob_): New private member.
4060         * main.cc (main): Call read_layout_from_file here.
4061         * options.h (--section-ordering-file): New option.
4062         * output.cc (Output_section::input_section_order_specified_): New
4063         member.
4064         (Output_section::Output_section): Initialize new member.
4065         (Output_section::add_input_section): Add new parameter.
4066         Keep input sections when --section-ordering-file is used.
4067         (Output_section::set_final_data_size): Sort input sections when
4068         section ordering file is specified.
4069         (Output_section::Input_section_sort_entry): Add new parameter.
4070         Check sorting type.
4071         (Output_section::Input_section_sort_entry::compare_section_ordering):
4072         New method.
4073         (Output_section::Input_section_sort_compare::operator()): Change to
4074         consider section_order_index.
4075         (Output_section::Input_section_sort_init_fini_compare::operator()):
4076         Change to consider section_order_index.
4077         (Output_section::Input_section_sort_section_order_index_compare
4078         ::operator()): New method.
4079         (Output_section::sort_attached_input_sections): Change to sort
4080         according to section order when specified.
4081         (Output_section::add_input_section<32, true>): Add new parameter.
4082         (Output_section::add_input_section<64, true>): Add new parameter.
4083         (Output_section::add_input_section<32, false>): Add new parameter.
4084         (Output_section::add_input_section<64, false>): Add new parameter.
4085         * output.h (Output_section::add_input_section): Add new parameter.
4086         (Output_section::input_section_order_specified): New
4087         method.
4088         (Output_section::set_input_section_order_specified): New method.
4089         (Input_section::Input_section): Initialize section_order_index_.
4090         (Input_section::section_order_index): New method.
4091         (Input_section::set_section_order_index): New method.
4092         (Input_section::section_order_index_): New member.
4093         (Input_section::Input_section_sort_section_order_index_compare): New
4094         struct.
4095         (Output_section::input_section_order_specified_): New member.
4096         * script-sections.cc (is_wildcard_string): Delete and move modified
4097         method to gold.h.
4098         (Output_section_element_input::Output_section_element_input): Modify
4099         call to is_wildcard_string.
4100         (Output_section_element_input::Input_section_pattern
4101         ::Input_section_pattern): Ditto.
4102         (Output_section_element_input::Output_section_element_input): Ditto.
4103         * testsuite/Makefile.am (final_layout): New test case.
4104         * testsuite/Makefile.in: Regenerate.
4105         * testsuite/final_layout.cc: New file.
4106         * testsuite/final_layout.sh: New file.
4107
4108 2010-06-01  Rafael Espindola  <espindola@google.com>
4109
4110         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4111
4112 2010-06-01  Rafael Espindola  <espindola@google.com>
4113
4114         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4115         visibility of symbols.
4116
4117 2010-05-27  Doug Kwan  <dougkwan@google.com>
4118
4119         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4120         from start of output section instead of address for a local symbol
4121         in a merged or relaxed section when doing a relocatable link.
4122
4123 2010-05-26  Rafael Espindola  <espindola@google.com>
4124
4125        PR 11604
4126         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4127         adding sections the garbage collector removed.
4128         * gold/testsuite/Makefile.am: Add test.
4129         * gold/testsuite/Makefile.in: Regenerate.
4130         * gold/testsuite/plugin_test_7.sh: New.
4131         * gold/testsuite/plugin_test_7_1.c: New.
4132         * gold/testsuite/plugin_test_7_2.c: New.
4133
4134 2010-05-26  Rafael Espindola  <espindola@google.com>
4135
4136         * script-sections.cc (Output_section_definition::set_section_addresses):
4137         Check for --section-start.
4138
4139 2010-05-26  Doug Kwan  <dougkwan@google.com>
4140
4141         * arm.cc (Arm_scan_relocatable_relocs): New class.
4142         (Target_arm::relocate_special_relocatable): New method.
4143         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4144         (Arm_relocate_functions::thumb_branch_common): Same.
4145         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4146         instead of Default_scan_relocatable_relocs.
4147         * target-reloc.h (relocate_for_relocatable): Let target handle
4148         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4149         * target.h (Sized_target::relocate_special_relocatable): New method.
4150
4151 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4152
4153         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4154
4155 2010-05-23  Doug Kwan  <dougkwan@google.com>
4156
4157         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4158         instead of a cast.
4159         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4160         with a direct branch, not a conditional branch, to a stub.
4161         * merge.cc (Output_merge_base::record_input_section): New method
4162         defintion.
4163         (Output_merge_data::do_add_input_section): Record input section if
4164         keeps-input-sections flag is set.
4165         (Output_merge_string::do_add_input_section): Ditto.
4166         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4167         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4168         INPUT_SECTIONS_.
4169         (Output_merge_base::keeps_input_sections,
4170         Output_merge_base::set_keeps_input_sections,
4171         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4172         method definitions.
4173         (Output_merge_base::Input_sections): New type declaration.
4174         (Output_merge_base::input_sections_begin,
4175         Output_merge_base::input_sections_end,
4176         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4177         (Output_merge_base::bool keeps_input_sections_,
4178         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4179         Output_merge_base::input_sections_): New data members.
4180         (Output_merge_data::do_set_keeps_input_sections): New method
4181         defintion.
4182         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4183         * output.cc (Output_section::Input_section::relobj): Move method
4184         defintion from class declaration to here and handle merge sections.
4185         (Output_section::Input_section::shndx): Ditto.
4186         (Output_section::Output_section): Remove initializations of removed
4187         data members and initialize new data member LOOKUP_MAPS_.
4188         (Output_section::add_input_section): Set keeps-input-sections flag
4189         for a newly created merge output section as appropriate.  Adjust code
4190         to use Output_section_lookup_maps class.
4191         (Output_section::add_relaxed_input_section): Adjst code for lookup
4192         maps code refactoring.
4193         (Output_section::add_merge_input_section): Add a new parameter
4194         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4195         class.  If adding input section to a newly created merge output
4196         section fails, remove the new merge section.
4197         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4198         Adjust code for use of the Output_section_lookup_maps class.
4199         (Output_section::find_merge_section): Ditto.
4200         (Output_section::build_lookup_maps): New method defintion.
4201         (Output_section::find_relaxed_input_section): Adjust code to use
4202         Output_section_lookup_maps class.
4203         (Output_section::get_input_sections): Export merge sections.  Adjust
4204         code to use Output_section_lookup_maps class.
4205         (Output_section:::add_script_input_section): Adjust code to use
4206         Output_section_lookup_maps class.  Update lookup maps for merge
4207         sections also.
4208         (Output_section::discard_states): Use Output_section_lookup_maps.
4209         (Output_section::restore_states): Same.
4210         * output.h (Merge_section_properties): Move class defintion out of
4211         Output_section.
4212         (Output_section_lookup_maps): New class.
4213         (Output_section::Input_section::is_merge_section): New method
4214         defintion.
4215         (Output_section::Input_section::relobj): Move defintion out of class
4216         defintion.  Declare method only.
4217         (Output_section::Input_section::shndx): Ditto.
4218         (Output_section::Input_section::output_merge_base): New method defintion.
4219         (Output_section::Input_section::u2_.pomb): New union field.
4220         (Output_section::Merge_section_by_properties_map,
4221         Output_section::Output_section_data_by_input_section_map,
4222         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4223         Remove types.
4224         (Output_section::add_merge_input_section): Add new parameter
4225         KEEPS_INPUT_SECTIONS.
4226         (Output_section::build_lookup_maps): New method declaration.
4227         (Output_section::merge_section_map_,
4228         Output_section::merge_section_by_properties_map_,
4229         Output_section::relaxed_input_section_map_,
4230         Output_section::is_relaxed_input_section_map_valid_): Remove data
4231         members.
4232         (Output_section::lookup_maps_): New data member.
4233
4234 2010-05-21  Doug Kwan  <dougkwan@google.com>
4235
4236         PR gold/11619
4237         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4238         avoid a compilation error.
4239
4240 2010-05-19  Rafael Espindola  <espindola@google.com>
4241
4242         * script-sections.cc (Output_section_definition::allocate_to_segment):
4243         Update the phdrs_list even when the output section is NULL.
4244         * testsuite/Makefile.am: Add test.
4245         * testsuite/Makefile.in: Regenerate.
4246         * testsuite/script_test_9.cc: New.
4247         * testsuite/script_test_9.sh: New.
4248         * testsuite/script_test_9.t: New.
4249
4250 2010-05-19  Doug Kwan  <dougkwan@google.com>
4251
4252         * arm.cc (Arm_input_section::original_size): New method.
4253         (Arm_input_section::do_addralign): Add a cast.
4254         (Arm_input_section::do_output_offset): Remove static cast.
4255         (Arm_input_section::original_addralign,
4256          Arm_input_section::original_size_): Change type to uint32_t.
4257         (Arm_input_section::init): Add safe casts for section alignment
4258         and size.
4259         (Arm_input_section::set_final_data_size): Do not set address and
4260         offset of stub table.
4261         (Arm_output_section::fix_exidx_coverage): Change use of of
4262         Output_section::Simple_input_section to that of
4263         Output_section::Input_section.
4264         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4265         except for the first pass.
4266         * output.cc (Output_section::get_input_sections): Change type of
4267         input_sections to std::list<Input_section>.
4268         (Output_section::add_script_input_section): Rename from
4269         Output_section::add_simple_input_section.  Change type of SIS
4270         parameter from Simple_input_section to Input_section.
4271         * output.h (Output_section::Simple_input_section): Remove class.
4272         (Output_section::Input_section): Change class visibility to public.
4273         (Output_section::Input_section::addralign): Use stored alignments
4274         for special input sections if set.
4275         (Output_section::Input_section::set_addralign): New method.
4276         (Output_section::get_input_sections): Change parameter type from
4277         list of Simple_input_section to list of Input_section.
4278         (Output_section::add_script_input_section): Rename from
4279         Output_section::add_simple_input_section. Change first parameter's
4280         type from Simple_input_section to Input_section and remove the
4281         second and third parameters.
4282         * script-sections.cc (Input_section::Input_section_list): Change
4283         type to list of Output_section::Input_section/
4284         (Input_section_info::Input_section_info): Change parameter type of
4285         INPUT_SECTION to Output_section::Input_section.
4286         (Input_section_info::input_section): Change return type.
4287         (Input_section_info::input_section_): Change type to
4288         Output_section::Input_section.
4289         (Output_section_element_input::set_section_addresses): Adjust code
4290         to use Output_section::Input_section instead of
4291         Output_section::Simple_input_section.  Adjust code for renaming
4292         of Output_section::add_simple_input_section.
4293         (Orphan_output_section::set_section_addresses): Ditto.
4294
4295 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4296
4297         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4298         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4299
4300 2010-05-18  Rafael Espindola  <espindola@google.com>
4301
4302         * options.cc (General_options::finalize): Handle -nostdlib.
4303         * options.h (nostdlib): New option.
4304         * script.cc (script_add_search_dir): Handle -nostdlib.
4305
4306 2010-05-12  Doug Kwan  <dougkwan@google.com>
4307
4308         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4309         attributes section only if there no attributes section after merging.
4310         (Target_arm::merge_object_attributes): Move value of
4311         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4312         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4313         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4314         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4315         and arm_attr_merge_7.stdout.
4316         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4317         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4318         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4319         arm_attr_merge_7b.o): New rules.
4320         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4321         arm_attr_merge_7
4322         * testsuite/Makefile.in: Regenerate.
4323         * testsuite/arm_attr_merge.sh: New file.
4324         * testsuite/arm_attr_merge_[67][ab].s: Same.
4325
4326 2010-05-05  Nick Clifton  <nickc@redhat.com>
4327
4328         * po/es.po: Updated Spanish translation.
4329
4330 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4331
4332         * Makefile.am (install-exec-local): Properly install gold as
4333         default cross linker.
4334         * Makefile.in: Regenerated.
4335
4336 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4337             Nick Clifton  <nickc@redhat.com>
4338
4339         * configure.ac (install_as_default): Define and set to false
4340         unless --enable-gold or --enable-gold=both/gold has been
4341         specified.
4342         * configure: Regenerate.
4343
4344         * Makefile.am (install-exec-local): Install the executable as
4345         'ld.gold'.  If install_as_default is true then also install it as
4346         'ld'.
4347         * Makefile.in: Regenerated.
4348
4349 2010-04-24  Ian Lance Taylor  <iant@google.com>
4350
4351         * layout.cc (Layout::layout_reloc): In relocatable link don't
4352         combine reloc sections for grouped sections.
4353
4354 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4355
4356         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4357         sections that are not ordinary to icf.
4358         * icf.cc (get_section_contents): Handle relocation pointing to section
4359         with no object or shndx information.
4360         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4361         * testsuite/Makefile.in: Regenerate.
4362         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4363         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4364
4365 2010-04-22  Ian Lance Taylor  <iant@google.com>
4366
4367         * expression.cc (Expression::Expression_eval_info): Add
4368         result_alignment_pointer field.
4369         (Expression::eval_with_dot): Add result_alignment_pointer
4370         parameter.  Change all callers.
4371         (Expression::eval_maybe_dot): Likewise.
4372         (class Binary_expression): Add alignment_pointer parameter to
4373         left_value and right_value.  Change all callers.
4374         (BINARY_EXPRESSION): Set result alignment.
4375         (class Trinary_expression): Add alignment_pointer parameter to
4376         arg2_value and arg3_value.  Change all callers.
4377         (Trinary_cond::value): Set result alignment.
4378         (Max_expression::value, Min_expression::value): Likewise.
4379         (Align_expression::value): Likewise.
4380         * script-sections.cc (class Sections_element): Add dot_alignment
4381         parameter to set_section_addresses virtual function.  Update
4382         instantiations.
4383         (class Output_section_element): Likewise.
4384         (Script_sections::create_segments): Add dot_alignment parameter.
4385         Change all callers.
4386         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4387         (Script_sections::set_phdrs_clause_addresses): Likewise.
4388         * script-sections.h: Update declarations.
4389         * script.h: Update declarations.
4390         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4391         min_p_align.
4392         * testsuite/script_test_3.t: Set large alignment.
4393         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4394         segment has expected alignment.
4395
4396 2010-04-22  Nick Clifton  <nickc@redhat.com>
4397
4398         * po/gold.pot: Updated by the Translation project.
4399         * po/vi.po: Updated Vietnamese translation.
4400
4401 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4402
4403         * testsuite/Makefile.am (check_PROGRAMS): Add
4404         icf_virtual_function_folding_test.
4405         * testsuite/Makefile.in: Regenerated.
4406
4407 2010-04-15  Andrew Haley  <aph@redhat.com>
4408
4409         * options.h (merge_exidx_entries): New option.
4410         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4411         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4412         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4413         (Target_arm::merge_exidx_entries): New function.
4414         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4415         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4416         to Arm_exidx_fixup constructor.
4417         Add new arg, merge_exidx_entries.
4418         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4419         Arm_output_section::fix_exidx_coverage.
4420
4421 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4422
4423         * icf.cc (get_section_contents): Check for preemptible functions.
4424         Ignore addend when appropriate.
4425         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4426         section folded.
4427         (add_from_relobj): Check for section folded.
4428         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4429         * symtab.h (should_add_dynsym_entry): Add new parameter.
4430         * target-reloc.h (scan_relocs): Check for section folded.
4431         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4432         Check reloc types for function pointers in shared objects.
4433         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4434         case.
4435         (icf_preemptible_functions_test): New test case.
4436         (icf_string_merge_test): New test case.
4437         * testsuite.Makefile.in: Regenerate.
4438         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4439         bar_glob.  Refactor code.
4440         * testsuite/icf_preemptible_functions_test.cc: New file.
4441         * testsuite/icf_preemptible_functions_test.sh: New file.
4442         * testsuite/icf_string_merge_test.cc: New file.
4443         * testsuite/icf_string_merge_test.sh: New file.
4444         * testsuite/icf_virtual_function_folding_test.cc: New file.
4445         * testsuite/icf_virtual_function_folding_test.sh: New file.
4446
4447 2010-04-14  Doug Kwan  <dougkwan@google.com>
4448
4449         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4450         for local symbol recounting if we remove a section due to ICF.
4451         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4452         there are no regular objects in input.
4453
4454 2010-04-13  Doug Kwan  <dougkwan@google.com>
4455
4456         * arm.cc (Arm_input_section::set_final_data_size): Compute
4457         accurate final data size instead of using current data size.
4458
4459 2010-04-09  Doug Kwan  <dougkwan@google.com>
4460
4461         * layout.cc (Layout::choose_output_section): Handle script section
4462         types.
4463         (Layout::make_output_section_for_script): Add section type parameter.
4464         Handle script section types.
4465         * layout.h (Layout::make_output_section_for_script): Add section
4466         type parameter.
4467         * output.cc (Output_section::Output_section): Initialize data member
4468         is_noload_.
4469         (Output_section::do_reset_address_and_file_offset): Do not set address
4470         to 0 if section is a NOLOAD section.
4471         * output.h (Output_section::is_noload): New method.
4472         (Output_section::set_is_noload): Ditto.
4473         (Output_section::is_noload_): New data member.
4474         * script-c.h (Script_section_type): New enum type.
4475         (struct Parser_output_section_header): Add new file section_type.
4476         * script-sections.cc (Sections_element::output_section_name): Add
4477         parameter for returning script section type.
4478         (Output_section_definition::output_section_name): Ditto.
4479         (Output_section_definition::section_type)P; New method.
4480         (Output_section_definiton::script_section_type_name): Ditto.
4481         (Output_section_definition::script_section_type_): New data member.
4482         (Output_section_definition::Output_section_definition): Initialize
4483         data member Output_section_definition::script_section_type_.
4484         (Output_section_definition::create_sections): Pass script section type
4485         to Layout::make_output_section_for_script.
4486         (Output_section_definition::output_section_name): Return script
4487         section type to caller.
4488         (Output_section_definition::set_section_address): Do not advance
4489         dot value and load address if section type is NOLOAD.  Set address
4490         of NOLOAD sections regardless of section flags.
4491         (Output_section_definition::print): Print section type if it is
4492         not SCRIPT_SECTION_TYPE_NONE.
4493         (Output_section_definition::section_type): New method.
4494         (Output_section_definition::script_section_type_name): Ditto.
4495         (Script_sections::output_section_name): Add new parameter
4496         PSECTION_TYPE for returning script section type.  Pass it to
4497         section elements.  Handle discard sections.
4498         (Sort_output_sections::operator()): Handle NOLOAD sections.
4499         * script-sections.h (Script_sections::Section_type): New enum type.
4500         (Script_sections::output_section_name): Add a new parameter for
4501         returning script section type.
4502         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4503         INFO and NOLOAD.
4504         * yyscript.y (union): Add new field SECTION_TYPE.
4505         (COPY, DSECT, INFO, NOLOAD): New tokens.
4506         (opt_address_and_section_type): Change type to output_section_header.
4507         (section_type): New non-terminal
4508         (section_header): Handle section type.
4509         (opt_address_and_section_type): Return section type value.
4510
4511 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4512
4513         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4514         * testsuite/plugin_common_test_2.c (foo): Likewise.
4515
4516 2010-04-08  Doug Kwan  <dougkwan@google.com>
4517
4518         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4519         Output_merge_data.
4520         * output.cc (Output_section::add_merge_input_section): Simplify
4521         code and return status of Output_merge_base::add_input_section.
4522         Update merge section map only if Output_merge_base::add_input_section
4523         returns true.
4524
4525 2010-04-07  Doug Kwan  <dougkwan@google.com>
4526
4527         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4528         if section is marked as containing instructions but has no mapping
4529         symbols.
4530         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4531         correct section index.
4532         (Arm_relobj::find_linked_text_section): Ditto.
4533
4534 2010-04-07  Cary Coutant  <ccoutant@google.com>
4535
4536         * archive.cc (include_member): Destroy Read_symbols_data object before
4537         releasing file.
4538         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4539         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4540         (Read_symbols_data::~Read_symbols_data) New destructor.
4541         (Section_relocs::Section_relocs) New constructor.
4542         (Section_relocs::~Section_relocs) New destructor.
4543         (Read_relocs_data::Read_relocs_data) New constructor.
4544         (Read_relocs_data::~Read_relocs_data) New destructor.
4545         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4546         pointers to NULL after deleting.
4547
4548 2010-04-07  Doug Kwan  <dougkwan@google.com>
4549
4550         * arm.cc: Replace "endianity" with "endianness" in comments.
4551         (Arm_exidx_cantunwind): Ditto.
4552         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4553         (Arm_relobj::merge_flags_and_attributes): New method.
4554         (Arm_relobj::merge_flags_and_attributes_): New data member.
4555         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4556         (Arm_relobj::scan_sections_for_stubs): Ditto.
4557         (Arm_relobj::do_read_symbols): Check to see if we really want to
4558         merge processor-specific flags and attributes.  Exit early if
4559         an object is empty except for section names and the undefined symbol.
4560         (Target_arm::do_finalize_sections): Move check for ELF format to
4561         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4562         attributes from a regular object only when we have determined that
4563         it is aapropriate.  Do not create an .ARM.attributes section in
4564         output if there is no regular input object.
4565         (Target_arm::merge_processor_specific_flags): Check
4566         --warn-mismatch before printing any error.
4567         (Target_arm::merge_object_attributes): Ditto.
4568         * gold.cc (queue_middle_tasks): Handle the case in which there is
4569         no regular object in input.
4570         * options.cc (General_options::parse_EB): New method.
4571         (General_options::parse_EL): Same.
4572         (General_options::General_options): Initialize endianness_.
4573         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4574         New options.
4575         (General_options::Endianness): New enum.
4576         (General_options::endianness): New method.
4577         (General_options::endianness_): New data member.
4578         * parameters.cc (Parameters::set_options): Check target endianness.
4579         (Parameters::set_target_once): Ditto.
4580         (Parameters::check_target_endianness): New method.
4581         (parameters_force_valid_target): If either -EL or -EB is specified,
4582         use it to define endianness of default target.
4583         * parameters.h (Parameters::check_target_endianness): New method
4584         declaration.
4585         * target.h (class Target): Change "endianity" to "endianness"
4586         in comments.
4587
4588 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4589
4590         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4591         * configure: Regenerate.
4592         * Makefile.in: Regenerate.
4593         * testsuite/Makefile.in: Regenerate.
4594
4595 2010-04-06  Cary Coutant  <ccoutant@google.com>
4596
4597         gcc PR lto/42757
4598         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4599         prevailing definitions of common symbols.
4600         * testsuite/plugin_test_6.sh: New test case.
4601         * testsuite/plugin_common_test_1.c: New test case.
4602         * testsuite/plugin_common_test_2.c: New test case.
4603         * testsuite/Makefile.am (plugin_test_6): New test case.
4604         * testsuite/Makefile.in: Regenerate.
4605
4606 2010-04-06  Nick Clifton  <nickc@redhat.com>
4607
4608         * po/vi.po: New Vietnamese translation.
4609
4610 2010-03-30  Doug Kwan  <dougkwan@google.com>
4611
4612         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4613
4614 2010-03-25  Doug Kwan  <dougkwan@google.com>
4615
4616         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4617         to avoid a conversion warning on a 32-bit host.
4618
4619 2010-03-24  Ian Lance Taylor  <iant@google.com>
4620
4621         * testsuite/script_test_3.t: Add a TLS segment.
4622         * testsuite/Makefile.am (check_PROGRAMS): Add
4623         tls_phdrs_script_test.
4624         (tls_phdrs_script_test_SOURCES): Define.
4625         (tls_phdrs_script_test_DEPENDENCIES): Define.
4626         (tls_phdrs_script_test_LDFLAGS): Define.
4627         (tls_phdrs_script_test_LDADD): Define.
4628         * testsuite/Makefile.in: Rebuild.
4629
4630 2010-03-23  Cary Coutant  <ccoutant@google.com>
4631
4632         * fileread.cc (find_or_make_view): Fix comment.
4633
4634 2010-03-23  Ian Lance Taylor  <iant@google.com>
4635
4636         * script-sections.cc (class Orphan_section_placement): Define
4637         PLACE_TLS and PLACE_TLS_BSS.
4638         (Orphan_section_placement::Orphan_section_placement): Initialize
4639         new places.
4640         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4641         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4642         (tls_script_test_SOURCES): Define.
4643         (tls_script_test_DEPENDENCIES): Define.
4644         (tls_script_test_LDFLAGS): Define.
4645         (tls_script_test_LDADD): Define.
4646         * testsuite/Makefile.in: Rebuild.
4647
4648 2010-03-22  Doug Kwan  <dougkwan@google.com>
4649
4650         * arm.cc (Arm_relocate_functions::abs8,
4651         Arm_relocate_functions::abs16): Use correct check for overflow
4652         specified in the ARM ELF specs.
4653         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4654         target of a BLX instruction specially.
4655         (Reloc_stub::stub_type_for_reloc): Ditto.
4656         (Relocate::relocate): Use symbolic names instead of numeric relocation
4657         codes to report error.
4658         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4659         workaround.
4660         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4661         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4662         thumb2_blx_out_of_range.stdout
4663         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4664         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4665         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4666         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4667         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4668         thumb2_blx_in_range, thumb2_blx_in_range.o,
4669         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4670         thumb2_blx_out_of_range.o): New rules.
4671         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4672         thumb2_blx_in_range and thumb2_blx_out_of_range.
4673         * testsuite/Makefile.in: Regenerate.
4674         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4675         * testsuite/thumb_blx_in_range.s: New file.
4676         * testsuite/thumb_blx_out_of_range.s: New file.
4677
4678 2010-03-22  Rafael Espindola  <espindola@google.com>
4679
4680         * archive.cc (Should_include): Move to archive.h.
4681         (should_include_member): Make it a member of Archive.
4682         (Lib_group): New.
4683         (Add_lib_group_symbols): New.
4684         * archive.h: Include options.h.
4685         (Archive_member): Moved from Archive.
4686         (Should_include): Moved from archive.cc.
4687         (Lib_group): New.
4688         (Add_lib_group_symbols): New.
4689         * dynobj.cc (do_should_include_member): New.
4690         * dynobj.h (do_should_include_member): New.
4691         * gold.cc (queue_initial_tasks): Update call to queue.
4692         * main.cc (main): Print lib group stats.
4693         * object.cc (do_should_include_member): New.
4694         * object.h: Include archive.h.
4695         (Object::should_include_member): New.
4696         (Object::do_should_include_member): New.
4697         (Sized_relobj::do_should_include_member): New.
4698         * options.cc (General_options::parse_start_lib): New.
4699         (General_options::parse_end_lib): New.
4700         (Input_arguments::add_file): Handle lib groups.
4701         (Input_arguments::start_group): Check we are not in a lib.
4702         (Input_arguments::start_lib): New.
4703         (Input_arguments::end_lib): New.
4704         * options.h (General_options): Add start_lib and end_lib.
4705         (Input_argument::lib_): New.
4706         (Input_argument::lib): New.
4707         (Input_argument::is_lib): New.
4708         (Input_file_lib): New.
4709         (Input_arguments::in_lib_): New.
4710         (Input_arguments::in_lib): New.
4711         (Input_arguments::start_lib): New.
4712         (Input_arguments::end_lib_): New.
4713         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4714         in unused members as preempted.
4715         (Sized_pluginobj::do_should_include_member): New.
4716         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4717         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4718         return the blocker.
4719         (Read_symbols::do_whole_lib_group): New.
4720         (Read_symbols::do_lib_group): New.
4721         (Read_symbols::do_read_symbols): Handle lib groups.
4722         (Read_symbols::get_name): Handle lib groups.
4723         * readsyms.h (Read_symbols): Add an archive member pointer.
4724         (Read_symbols::do_whole_lib_group): New.
4725         (Read_symbols::do_lib_group): New.
4726         (Read_symbols::member_): New.
4727         * script.cc (read_input_script): Update call to queue_soon.
4728
4729 2010-03-19  Doug Kwan  <dougkwan@google.com>
4730
4731         * arm.cc (Stub_table::Stub_table): Initialize new data members
4732         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4733         (Stub_table::add_reloc_stub): Assign stub offset and update
4734         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4735         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4736         New data members.
4737         (Stub_table::update_data_size_and_addralign): Use
4738         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4739         instead of going over all reloc stubs.
4740         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4741         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4742         Stringpool_template::offset_ to size of Stringpool_char.
4743         (Stringpool_template::new_key_offset): Remove code to initialize
4744         Stringpool_template::offset_.
4745         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4746         Stringpool_template::offset_ to zero.
4747
4748 2010-03-15  Doug Kwan  <dougkwan@google.com>
4749
4750         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4751         offset_.
4752         (Stringpool_template::new_key_offset): New method.
4753         (Stringpool_template::add_string): Assign offsets when adding new
4754         strings.
4755         (Stringpool_template::set_string_offsets): Do not set string offsets
4756         when not optimizing.
4757         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4758         member size_.
4759         (Chunked_vector::clear): Clear size_.
4760         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4761         (Chunked_vector::size): Return size_.
4762         (Chunked_vector::push_back): Use size_ to find insert position.
4763         (Chunked_vector::size_): New data member.
4764         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4765         (Stringpool_template::new_key_offset): New method declaration.
4766         (Stringpool_template::offset_): New data member.
4767
4768 2010-03-15   Rafael Espindola  <espindola@google.com>
4769
4770         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4771         Add_symbols' constructor.
4772         * readsyms.h (Add_symbols): Remove the input_group member.
4773
4774 2010-03-10  Ian Lance Taylor  <iant@google.com>
4775
4776         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4777         target to ask whether a reference to a symbol requires a stack
4778         split.
4779         * target.h (Target::is_call_to_non_split): New function.
4780         (Target::do_is_call_to_non_split): Declare virtual function.
4781         * target.cc: Include "symtab.h".
4782         (Target::do_is_call_to_non_split): New function.
4783         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4784
4785 2010-03-10  Cary Coutant  <ccoutant@google.com>
4786
4787         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4788         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4789         (File_read::open[2]): Add whole_file_view_ to list of views.
4790         (File_read::make_view): Remove test of whole_file_view_.
4791         (File_read::find_or_make_view): Create whole_file_view_ if
4792         necessary.
4793         (File_read::clear_views): Replace bool parameter with enum;
4794         adjust all callers.  Don't delete views with permanent data;
4795         do delete cached views and views from archives if
4796         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4797         if clearing the corresponding view.
4798         * fileread.h (File_read::Clear_views_mode): New enum.
4799         (File_read::View::is_permanent_view): New method.
4800         (File_read::clear_views): Replace bool parameter
4801         with enum; adjust all callers.
4802         * options.h (General_options): Change keep_files_mapped option;
4803         add map_whole_files.
4804         * readsyms.cc (Add_symbols::run): Delete sd_ object before
4805         releasing the file.
4806         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4807         the file.
4808
4809 2010-03-10  David S. Miller  <davem@davemloft.net>
4810
4811         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4812
4813 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
4814
4815         * icf.cc (get_section_contents): Add '@' marker after processing the
4816         merge reloc.
4817
4818 2010-03-08  Doug Kwan  <dougkwan@google.com>
4819
4820         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4821         due to a conversion warning.
4822         (Arm_relobj::update_output_local_symbol_count): Check for local
4823         symbol with unset output index.
4824
4825 2010-03-05  Ian Lance Taylor  <iant@google.com>
4826
4827         * options.h (class General_options): Add --spare-dynamic-tags.
4828         * output.cc (Output_data_dynamic::set_final_data_size): Implement
4829         --spare-dynamic-tags.
4830
4831 2010-03-05  Ian Lance Taylor  <iant@google.com>
4832
4833         * incremental.cc: Include "libiberty.h".
4834
4835 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4836
4837         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4838         function, is_info_ member.
4839         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4840         (Versions::Versions): Update caller.
4841         (Versions::define_base_version): Likewise.
4842         (Versions::add_def): Likewise.
4843
4844 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
4845
4846         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
4847         (Scan::possible_function_pointer_reloc): New function.
4848         (Scan::local_reloc_may_be_function_pointer): Change to call
4849         possible_function_pointer_reloc.
4850         (Scan::global_reloc_may_be_function_pointer): Ditto.
4851         * icf.h (Icf::check_section_for_function_pointers): Change to reject
4852         relocations in ".data.rel.ro._ZTV" section.
4853         * testsuite/icf_safe_so_test.sh: Change to pass i386.
4854         * testsuite/icf_safe_so_test.cc: Ditto.
4855         * testsuite/icf_safe_test.cc: Ditto.
4856         * testsuite/icf_safe_test.sh: Ditto.
4857
4858 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4859             Ian Lance Taylor  <iant@google.com>
4860
4861         * target-reloc.h (relocate_section): Check the symbol table index
4862         for -1U before setting the local symbol index.
4863         (scan_relocatable_relocs): If copying the relocation, record that
4864         the local symbol is required.
4865         * object.h (Symbol_value::is_output_symtab_index_set): New
4866         function.
4867         (Symbol_value::may_be_discarded_from_output_symtab): New
4868         function.
4869         (Symbol_value::has_output_symtab_entry): New function.
4870         (Symbol_value::needs_output_symtab_entry): Remove.
4871         (Symbol_value::output_symtab_index): Make sure the symbol index is
4872         set.
4873         (Symbol_value::set_output_symtab_index): Make sure the symbol
4874         index is not set.  Make sure the new index is valid.
4875         (Symbol_value::set_must_have_output_symtab_entry): New function.
4876         (Symbol_value::has_output_dynsym_entry): New function.
4877         (Symbol_value::set_output_dynsym_index): Make sure the new index
4878         is valid.
4879         (Sized_relobj::set_must_have_output_symtab_entry): New function.
4880         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
4881         local symbol if permitted.
4882         (Sized_relobj::do_finalize_local_symbols): Call
4883         is_output_symtab_index_set rather than needs_output_symtab_entry.
4884         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
4885         rather than needs_output_symtab_entry.  Call
4886         has_output_dynsym_entry rather than needs_output_dynsym_entry.
4887         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
4888         is_output_symtab_index_set rather than needs_output_symtab_entry.
4889         * testsuite/discard_locals_relocatable_test.c: New file.
4890         * testsuite/discard_locals_test.sh: Test -r.
4891         * testsuite/Makefile.am (check_DATA): Add
4892         discard_locals_relocatable_test1.syms,
4893         discard_local_relocatable_test2.syms.
4894         (MOSTLYCLEANFILES): Likewise.  Also add
4895         discard_locals_relocatable_test1.lout and
4896         discard_locals_relocatable_test2.out.
4897         (discard_locals_relocatable_test1.syms): New target.
4898         (discard_locals_relocatable_test.o): New target.
4899         (discard_locals_relocatable_test1.out): New target.
4900         (discard_locals_relocatable_test2.syms): New target.
4901         (discard_locals_relocatable_test2.out): New target.
4902         (various): Add missing ../ld-new dependencies.
4903         * testsuite/Makefile.in: Rebuild.
4904
4905 2010-03-03  Nick Clifton  <nickc@redhat.com>
4906
4907         * po/fi.po: New Finnish translation.
4908
4909 2010-03-01  Doug Kwan  <dougkwan@google.com>
4910
4911         * layout.cc (Layout::Layout): Force section types of .init_array*,
4912         .preinit_array* and .fini_array* sections.
4913         * output.cc (Output_section::Input_section_sort_entry::has_priority):
4914         Fix check of return value of std::string::find.().
4915         (Output_section::Input_section_sort_compare::operator()): Remove
4916         comment about .init_array.
4917         (Output_section::Input_section_sort_init_fini_compare::operator()):
4918         New method.
4919         (Output_section::sort_attached_input_sections): Handle .init_array
4920         and .fini_array specially.
4921         * output.h (Output_section::Inut_section_sort_compare): Update
4922         comment.
4923         (Output_section::Input_section_sort_init_fini_compare): New struct.
4924
4925 2010-02-26  Doug Kwan  <dougkwan@google.com>
4926
4927         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
4928         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
4929         * testsuite/debug_msg.sh: Avoid matching source line number for
4930         use of global variable undef_int.
4931
4932 2010-02-26  Doug Kwan  <dougkwan@google.com>
4933
4934         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
4935         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
4936         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
4937         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
4938         * options.cc (General_options::General_options): Initialize member
4939         fix_v4bx_.
4940         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
4941         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
4942         and rm_no_fix_v4bx.stdout
4943         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
4944         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
4945         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
4946         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
4947         and arm_no_fix_v4bx.
4948         * Makefile.in: Regenerate.
4949         * testsuite/arm_fix_v4bx.s: New file.
4950         * testsuite/arm_fix_v4bx.sh: Ditto.
4951
4952 2010-02-24  Doug Kwan  <dougkwan@google.com>
4953
4954         * arm.cc (Target_arm::got_section): Make the .got section the first
4955         non RELRO section in the data segment.
4956         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
4957         suffixes of section names.
4958
4959 2010-02-24  Doug Kwan  <dougkwan@google.com>
4960
4961         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
4962         flags and attributes merging if an input file is a binary file.
4963         * fileread.cc (Input_file::open): Record format of original file.
4964         * fileread.h (Input_file::Format): New enum type.
4965         (Input_file::Input_file): Initialize data member format_.
4966         (Input_file::format): New method definition.
4967         (Input_file::format_):: New data member.
4968
4969 2010-02-24  Doug Kwan  <dougkwan@google.com>
4970
4971         * arm.cc (Arm_output_data_got): New class.
4972         (ARM_TCB_SIZE): New constant
4973         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
4974         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
4975         If user uses a script with a SECTIONS clause, issue only a warning
4976         for a misplaced EXIDX input section.  Otherwise, issue an error.
4977         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
4978         garbage collection.
4979         (Target_arm::got_mode_index_entry): Handle static linking.
4980         (Target_arm::Scan::local): Ditto.
4981         (Target_arm::Scan::global): Ditto.
4982         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
4983         all incorrectly implemented relocations.
4984         (Target_arm::fix_exidx_coverage): Pass layout to
4985         Arm_output_section::fix_exidx_coverage.
4986         * layout.cc (Layout::section_name_mapping): Remove trailing dots
4987         from ".ARM.exidx." and ".ARM.extab.".
4988
4989 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4990
4991         * arm.cc (Target_arm::do_finalize_sections): Create attribute
4992         section if it does not already exist.
4993         * attributes.cc (Attributes_section_data::Attributes_section_data):
4994         Don't crash if size is zero.
4995
4996 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4997             Ian Lance Taylor  <iant@google.com>
4998
4999         * gold.cc (queue_middle_tasks): If no input files were opened,
5000         exit.
5001         * workqueue.h (Task_function::Task_function): Assert that there is
5002         a blocker.
5003
5004 2010-02-22  Doug Kwan  <dougkwan@google.com>
5005
5006         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5007         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5008         types to avoid warnings due to different uint64_t implementations
5009         on different hosts.
5010
5011 2010-02-21  Doug Kwan  <dougkwan@google.com>
5012
5013         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5014         handling of the maximum backward branch offset.
5015         (Arm_relocate_functions::thumb_branch_common): Ditto.
5016         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5017         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5018         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5019         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5020         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5021         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5022         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5023         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5024         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5025         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5026         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5027         thumb2_bl_out_of_range.o): New rules.
5028         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5029         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5030         thumb2_bl_out_of_range
5031         * testsuite/Makefile.in: Regenerate.
5032         * testsuite/arm_bl_in_range.s: New file.
5033         * testsuite/arm_bl_out_of_range.s: Ditto.
5034         * testsuite/arm_branch_in_range.sh: Ditto.
5035         * testsuite/arm_branch_range.t: Ditto.
5036         * testsuite/thumb2_branch_range.t: Ditto.
5037         * testsuite/thumb_bl_in_range.s: Ditto.
5038         * testsuite/thumb_bl_out_of_range.s: Ditto.
5039         * testsuite/thumb_branch_range.t: Ditto.
5040
5041 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5042
5043         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5044         Add reloc offset information.
5045         * icf.cc (get_section_contents): Change iterators to point to the new
5046         vectors. Add reloc offset information to the contents.
5047         * icf.h (Icf::Sections_reachable_info): New typedef.
5048         (Icf::Sections_reachable_list): New typedef.
5049         (Icf::Offset_info): New typedef.
5050         (Icf::Reloc_info): New struct typedef.
5051         (Icf::Reloc_info_list): New typedef.
5052         (Icf::symbol_reloc_list): Delete method.
5053         (Icf::addend_reloc_list): Delete method.
5054         (Icf::section_reloc_list): Delete method.
5055         (Icf::reloc_info_list): New method.
5056         (Icf::reloc_info_list_): New member.
5057
5058 2010-02-19  Doug Kwan  <dougkwan@google.com>
5059
5060         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5061         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5062         * arm.cc (Arm_relocation_functions): New forward declaration.
5063         (Target_arm::Target_arm): Initialize new data members
5064         got_mod_index_offset_ and tls_base_symbol_defined_.
5065         (Target_arm::Relocate::relocate_tls): New method.
5066         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5067          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5068         New methods.
5069         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5070         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5071         (Target_arm::got_mod_index_offset_,
5072         Target_arm::tls_base_symbol_defined_): New data members.
5073         (Target_arm::Scan::local, Target::Scan::global,
5074         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5075         relocations.
5076
5077 2010-02-18  Doug Kwan  <dougkwan@google.com>
5078
5079         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5080         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5081         text section as a parameter becuase some broken tools may not set
5082         the link in section header.
5083         (Target_arm::has_got_section): New method.
5084         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5085         without any mapping symbol as data only.  Remove warning.
5086         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5087         link in its section header, try to discover the link by inspecting the
5088         REL31 relocation at the beginning of the section.
5089         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5090         in error message.
5091         (Target_arm::Scan::global): Treat any reference to the symbol
5092         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5093
5094 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5095
5096         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5097         (Scan::global_reloc_may_be_function_pointer): New function.
5098         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5099         (Scan::global_reloc_may_be_function_pointer): New function.
5100         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5101         (Scan::global_reloc_may_be_function_pointer): New function.
5102         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5103         (Scan::global_reloc_may_be_function_pointer): New function.
5104         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5105         (Scan::global_reloc_may_be_function_pointer): New function.
5106         (Scan::possible_function_pointer_reloc): New function.
5107         (Target_x86_64::can_check_for_function_pointers): New function.
5108         * gc.h (gc_process_relocs): Scan relocation types to determine if
5109         function pointers were taken for targets that support it.
5110         * icf.cc (Icf::find_identical_sections): Include functions for
5111         folding in safe ICF whose pointer is not taken.
5112         * icf.h (Secn_fptr_taken_set): New typedef.
5113         (fptr_section_id_): New member.
5114         (section_has_function_pointers): New function.
5115         (set_section_has_function_pointers): New function.
5116         (check_section_for_function_pointers): New function.
5117         * options.h: Fix comment for safe ICF option.
5118         * target.h (can_check_for_function_pointers): New function.
5119         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5120         Modify icf_safe_test for X86-64.
5121         * testsuite/Makefile.in: Regenerate.
5122         * testsuite/icf_safe_so_test.cc: New file.
5123         * testsuite/icf_safe_so_test.sh: New file.
5124         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5125         (main): Change to take pointer to function kept_func_3.
5126         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5127         folding is done correctly for X86-64.
5128
5129 2010-02-12  David S. Miller  <davem@davemloft.net>
5130
5131         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5132         is_symbolless parameter.
5133         (Output_reloc<SHT_REL>::is_symbolless): New.
5134         (Output_reloc<SHT_REL>::is_symbolless_): New.
5135         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5136         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5137         (Output_reloc<SHT_RELA>::is_symbolless): New.
5138         (Output_data_reloc::add_global): Handle is_symbolless.
5139         (Output_data_reloc::add_global_relative): Likewise.
5140         (Output_data_reloc::add_local): Likewise.
5141         (Output_data_reloc::add_local_relative): Likewise.
5142         (Output_data_reloc::add_symbolless_global_addend): New.
5143         (Output_data_reloc::add_symbolless_local_addend): New.
5144         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5145         is_symbolless.
5146         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5147         instead of ->is_relative_
5148         (Output_reloc::write): Likewise.
5149         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5150         (Output_reloc::write_rel): Simplify.
5151
5152         * sparc.cc (Target_sparc::Scan::local): Use
5153         ->add_symbolless_local_addend as needed.
5154         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5155         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5156         based upon relocation offset.
5157
5158 2010-02-11  Doug Kwan  <dougkwan@google.com>
5159
5160         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5161         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5162         beginning of function.
5163         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5164         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5165         parameter is_32bit in calls to should_apply_static_reloc.
5166         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5167         (check_DATA): Add arm_abs_global.stdout.
5168         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5169         arm_abs_global.stdout): New rules.
5170         (MOSTLLYCLEANFILES): Add arm_abs_global
5171         * Makefile.in: Regenerate.
5172         * testsuite/arm_abs_global.s: New file.
5173         * testsuite/arm_abs_global.sh: Ditto.
5174         * testsuite/arm_abs_lib.s: Ditto.
5175
5176 2010-02-11  Ian Lance Taylor  <iant@google.com>
5177
5178         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5179         Read_relocs task.
5180         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5181         Allocate_commons_task first.
5182         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5183         task, rather than symtab_lock_.
5184         (Gc_process_relocs::~Gc_process_relocs): New function.
5185         (Gc_process_relocs::is_runnable): Check this_blocker_.
5186         (Gc_process_relocs::locks): Use next_blocker_ rather than
5187         blocker_.
5188         (Scan_relocs::~Scan_relocs): New function.
5189         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5190         symtab_lock_.
5191         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5192         next_blocker_.
5193         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5194         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5195         constructor accordingly.
5196         (class Gc_process_relocs): Likewise.
5197         (class Scan_relocs): Likewise.
5198         * common.h (class Allocate_commons_task): Remove symtab_lock_
5199         field, and corresponding constructor parameter.
5200         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5201         symtab_lock_.
5202         (Allocate_commons_task::locks): Likewise.
5203
5204 2010-02-11  Ian Lance Taylor  <iant@google.com>
5205
5206         * gold-threads.h (class Once): Define.
5207         (class Initialize_lock): Rewrite as child of Once.
5208         * gold-threads.cc (class Once_initialize): Define.
5209         (once_pointer_control): New static variable.
5210         (once_pointer, once_arg): New static variables.
5211         (c_run_once): New static function.
5212         (Once::Once, Once::run_once, Once::internal_run): New functions.
5213         (class Initialize_lock_once): Remove.
5214         (initialize_lock_control): Remove.
5215         (initialize_lock_pointer): Remove.
5216         (initialize_lock_once): Remove.
5217         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5218         (Initialize_lock::initialize): Rewrite.
5219         (Initialize_lock::do_run_once): New function.
5220         * archive.cc (Archive::interpret_header): Only clear name if it is
5221         not already empty.
5222         * fileread.cc: Include "gold-threads.h"
5223         (file_counts_lock): New static variable.
5224         (file_counts_initialize_lock): Likewise.
5225         (File_read::release): Only increment counts when using --stats.
5226         Use a lock around the increment.
5227         * parameters.cc (class Set_parameters_target_once): Define.
5228         (set_parameters_target_once): New static variable.
5229         (Parameters::Parameters): Move here from parameters.h.
5230         (Parameters::set_target): Rewrite.
5231         (Parameters::set_target_once): New function.
5232         (Parameters::clear_target): Move here and rewrite.
5233         * parameters.h (class Parameters): Update declarations.  Add
5234         set_parameters_target_once_ field.
5235         (Parameters::Parameters): Move to parameters.cc.
5236         (Parameters::clear_target): Likewise.
5237         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5238         task.
5239         (Start_group::~Start_group): New function.
5240         (Start_group::is_runnable): New function.
5241         (Start_group::locks, Start_group::run): New functions.
5242         (Finish_group::run): Change saw_undefined to size_t.
5243         * readsyms.h (class Start_group): Define.
5244         (class Finish_group): Change saw_undefined_ field to size_t.
5245         (Finish_group::Finish_group): Remove saw_undefined and
5246         this_blocker parameters.  Change all callers.
5247         (Finish_group::set_saw_undefined): New function.
5248         (Finish_group::set_blocker): New function.
5249         * symtab.h (class Symbol_table): Change saw_undefined to return
5250         size_t.  Change saw_undefined_ field to size_t.
5251         * target-select.cc (Set_target_once::do_run_once): New function.
5252         (Target_selector::Target_selector): Initialize set_target_once_
5253         field.  Don't initialize lock_ and initialize_lock_ fields.
5254         (Target_selector::instantiate_target): Rewrite.
5255         (Target_selector::set_target): New function.
5256         * target-select.h (class Set_target_once): Define.
5257         (class Target_selector): Update declarations.  Make
5258         Set_target_once a friend.  Remove lock_ and initialize_lock_
5259         fields.  Add set_target_once_ field.
5260
5261 2010-02-10  Ian Lance Taylor  <iant@google.com>
5262
5263         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5264         queueing any tasks.
5265         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5266         (queue_middle_tasks): Add all blockers before queueing any tasks.
5267         (queue_final_tasks): Likewise.
5268         * token.h (Task_token::add_blockers): New function.
5269         * object.h (Input_objects::number_of_relobjs): New function.
5270
5271 2010-02-10  Ian Lance Taylor  <iant@google.com>
5272
5273         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5274         shared, not if not position independent.
5275         * x86_64.cc (Relocate::relocate_tls): Likewise.
5276         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5277         (tls_pie_pic_test): New target.
5278         * testsuite/Makefile.in: Rebuild.
5279
5280         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5281         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5282         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5283         * testsuite/Makefile.in: Rebuild.
5284
5285 2010-02-09  David S. Miller  <davem@davemloft.net>
5286
5287         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5288         R_SPARC_RELATIVE using ->add_local_relative().
5289         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5290
5291         * output.h (Output_data_dynamic::add_section_size): New method
5292         that takes two Output_data objects.
5293         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5294         entry param.  Handle it in initializers.
5295         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5296         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5297         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5298         arg.
5299         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5300         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5301         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5302         for dynrel_includes_plt.
5303         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5304         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5305         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5306         before .rela.plt
5307         (Target_sparc::do_finalize_sections): Update to pass true for
5308         dynrel_includes_plt.
5309         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5310         output before .rela.plt
5311         (Target_powerpc::do_finalize_sections): Update to pass true for
5312         dynrel_includes_plt when 32-bit.
5313
5314 2010-02-08  Doug Kwan  <dougkwan@google.com>
5315
5316         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5317         method.
5318         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5319         Arm_relobj::scan_section_for_cortex_a8_stubs,
5320         Arm_relobj::do_relocation_section): Instead of calling
5321         Output_section::output_address, use faster
5322         Arm_relobj::simple_input_section_output_address.
5323
5324 2010-02-08  David S. Miller  <davem@davemloft.net>
5325
5326         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5327         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5328         relocation helper function.
5329
5330         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5331         just like R_SPARC_GOT{10,13,22}.
5332         (Target_sparc::Scan::local): Likewise.
5333         (Target_sparc::Relocate:relocate): Likewise.
5334
5335 2010-02-06  Ian Lance Taylor  <iant@google.com>
5336
5337         * configure.ac: Rewrite targetobjs duplicate removal code to use
5338         only shell constructs.
5339         * configure: Rebuild.
5340
5341 2010-02-05  Doug Kwan  <dougkwan@google.com>
5342
5343         PR 11247
5344         * arm.cc (Arm_relobj::section_is_scannable): New method.
5345         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5346         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5347
5348 2010-02-04  Doug Kwan  <dougkwan@google.com>
5349
5350         PR 11247
5351         * arm-reloc-property.cc (cstdio): Include.
5352         * configure.ac (targetobjs): Remove duplicates.
5353         * configure: Regenerate.
5354         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5355         big and little endian version for a given address size.
5356
5357 2010-02-03  Doug Kwan  <dougkwan@google.com>
5358
5359         * arm-reloc-property.cc
5360         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5361         definition.
5362         * arm-reloc-property.h
5363         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5364         New method definition.
5365         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5366         declaration.
5367         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5368         overflow to N.
5369         (GOT_PREL): Change implemented to Y.
5370         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5371         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5372         (Arm_relocate_functions::movw_abs_nc): Remove method.
5373         (Arm_relocate_functions::movt_abs): Ditto.
5374         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5375         (Arm_relocate_functions::thm_movt_abs): Ditto.
5376         (Arm_relocate_functions::movw_rel_nc): Ditto.
5377         (Arm_relocate_functions::movw_rel): Ditto.
5378         (Arm_relocate_functions::movt_rel): Ditto.
5379         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5380         (Arm_relocate_functions:thm_movw_rel): Ditto.
5381         (Arm_relocate_functions:thm_movt_rel): Ditto.
5382         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5383         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5384         New method definitions.
5385         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5386         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5387         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5388         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5389         (Target_arm::Relocate::relocate): Check for non-static or
5390         unimplemented relocation code and exit early.  Change calls to
5391         Target_arm::reloc_uses_thumb_bit and
5392         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5393         instead.  Refactor code to handle similar relocations to increase
5394         code sharing.  Remove check for unsupported relocation code in switch
5395         statement.
5396         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5397         relocation property table to find out size.  Change error message to
5398         print out the name of a relocation code instead of the numeric value.
5399         (Target_arm::scan_reloc_for_stub): Use relocation property table
5400         instead of calling Target_arm::reloc_uses_thumb_bit().
5401
5402 2010-02-02  Doug Kwan  <dougkwan@google.com>
5403
5404         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5405         types of relaxed input section.
5406
5407 2010-02-02  Doug Kwan  <dougkwan@google.com>
5408
5409         * Makefile.am (HFILES): Add arm-reloc-property.h.
5410         (DEFFILES): New.
5411         (TARGETSOURCES): Add arm-reloc-property.cc
5412         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5413         (libgold_a_SOURCES): $(DEFFILES)
5414         * Makefile.in: Regenerate.
5415         * arm-reloc-property.cc: New file.
5416         * arm-reloc-property.h: New file.
5417         * arm-reloc.def: New file.
5418         * arm.cc: Update comments.
5419         (arm-reloc-property.h): New included header.
5420         (arm_reloc_property_table): New global variable.
5421         (Target_arm::do_select_as_default_target): New method definition.
5422         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5423         arm-reloc-property to targ_extra_obj.
5424         * parameters.cc (set_parameters_target): Call
5425         Target::select_as_default_target().
5426         * target.h (Target::select_as_default_target): New method definition.
5427         (Target::do_select_as_default_target): Same.
5428
5429 2010-02-01  Doug Kwan  <dougkwan@google.com>
5430
5431         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5432         first_output_text_section_.
5433         (Arm_exidx_fixup::first_output_text_section): New method definition.
5434         (Arm_exidx_fixup::first_output_text_section_): New data member.
5435         (Arm_exidx_fixup::process_exidx_section): Record the first text
5436         output section seen.
5437         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5438         and entsize in output section header.
5439
5440 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5441
5442         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5443         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5444         (Arm_relocate_functions::thm_alu11): New Method.
5445         (Arm_relocate_functions::thm_pc8): New Method.
5446         (Arm_relocate_functions::thm_pc12): New Method.
5447         (Target_arm::Scan::local): Handle the relocations.
5448         (Target_arm::Scan::global): Likewise.
5449         (Target_arm::Relocate::relocate): Likewise.
5450         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5451
5452 2010-01-29  Doug Kwan  <dougkwan@google.com>
5453
5454         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5455         of relocation types as ld.
5456
5457 2010-01-29  Doug Kwan  <dougkwan@google.com>
5458
5459         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5460         to public.
5461         (Arm_relocate_functions::thumb_branch_common): Ditto.
5462         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5463         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5464         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5465         Arm_relocate_functions::jump24): Remove.
5466         (Target_arm::Relocate::relocate): Adjust code to call
5467         Arm_relocation_functions::arm_branch_common and
5468         Arm_relocation_functions::thumb_branch_common instead of their removed
5469         wrappers.  Merge switch-cases together to reduce source code size.
5470
5471 2010-01-29  Doug Kwan  <dougkwan@google.com>
5472
5473         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5474         output_local_symbol_count_needs_update_.
5475         (Arm_relobj::output_local_symbol_count_needs_update,
5476          Arm_relobj::set_output_local_symbol_count_needs_update,
5477          Arm_relobj::update_output_local_symbol_count): New methods.
5478         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5479         member.
5480         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5481         of pointed function as in a R_ARM_PREL31 relocation.
5482         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5483         for output local symbol count updating.
5484         (Target_arm::do_relax): Update output local symbol counts in objects
5485         if necessary.
5486         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5487
5488 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5489
5490         * arm.cc: Added support for the ARM relocations:
5491         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5492         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5493         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5494         movw_prel_nc).
5495         (Arm_relocate_functions::movw_rel): New method.
5496         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5497         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5498         thm_movw_prel_nc).
5499         (Arm_relocate_functions::thm_movw_rel): New method.
5500         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5501         thm_movt_prel).
5502         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5503         relocations.
5504         (Target_arm::Scan::global): Likewise.
5505         (Target_arm::Relocate::relocate): Likewise.
5506         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5507         Likewise.
5508
5509 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5510
5511         * arm.cc: Added support for ARM group relocations.
5512         (Target_arm::reloc_needs_sym_origin): New method.
5513         (Arm_relocate_functions::calc_grp_kn): New method.
5514         (Arm_relocate_functions::calc_grp_residual): New method.
5515         (Arm_relocate_functions::calc_grp_gn): New method.
5516         (Arm_relocate_functions::arm_grp_alu): New Method.
5517         (Arm_relocate_functions::arm_grp_ldr): New Method.
5518         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5519         (Arm_relocate_functions::arm_grp_ldc): New Method.
5520         (Target_arm::Scan::local): Handle the ARM group relocations.
5521         (Target_arm::Scan::global): Likewise.
5522         (Target_arm::Relocate::relocate): Likewise.
5523         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5524         Likewise.
5525
5526 2010-01-26  Doug Kwan  <dougkwan@google.com>
5527
5528         * arm.cc (set): Include.
5529         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5530         pointer type.
5531         (Arm_output_section::Text_section_list): New type.
5532         (Arm_output_section::append_text_sections_to_list): New method.
5533         (Arm_output_section::fix_exidx_coverage): Ditto.
5534         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5535         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5536         Relobj::set_section_offset() instead of
5537         Sized_relobj::invalidate_section_offset().
5538         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5539         parameter for section headers. Ignore relocation sections for
5540         unallocated sections and EXIDX sections.
5541         (Target_arm::fix_exidx_coverage): New method.
5542         (Target_arm::output_section_address_less_than): New type.
5543         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5544         linked text section instead of the EXIDX section.
5545         (Arm_output_section::create_stub_group): Add an assertion to check
5546         that this is not an EXIDX output section.
5547         (Arm_output_section::append_text_sections_to_list): New method.
5548         (Arm_output_section::fix_exidx_coverage): Ditto.
5549         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5550         Arm_relobj::section_needs_reloc_stub_scanning.
5551         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5552         first pass.
5553         (Target_arm::fix_exidx_coverage): New method.
5554         * object.h (Relobj::set_output_section): New method.
5555         (Sized_relobj::invalidate_section_offset): Remove method.
5556         (Sized_relobj::do_invalidate_section_offset): Remove method.
5557         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5558
5559 2010-01-25  Doug Kwan  <dougkwan@google.com>
5560
5561         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5562         Fix warning due to signed and unsigned comparison on a 32-bit host.
5563
5564 2010-01-22  Doug Kwan  <dougkwan@google.com>
5565
5566         * arm.cc (Target_arm::do_relax): Record an output section for section
5567         offset adjustment it contains any stub table that has changed.
5568         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5569         offsets in an output section if necessary.
5570         * output.cc (Output_section::Output_section): Initialize
5571         section_offsets_need_adjustments_.
5572         (Output_section::add_input_section_for_script): Renamed to
5573         Output_section::add_simple_input_section.
5574         (Output_section::save_states): Add a comment.
5575         (Output_section::discard_states): New method defintion.
5576         (Output_section::adjust_section_offsets): Same.
5577         * output.h (Output_section::add_input_section_for_script): Renamed to
5578         Output_section::add_simple_input_section.
5579         (Output_section::discard_states): New method declaration.
5580         (Output_section::adjust_section_offsets): Same.
5581         (Output_section::section_offsets_need_adjustment,
5582         Output_section::set_section_offsets_need_adjustment): New method
5583         definitions.
5584         (Output_section::section_offsets_need_adjustment_): New data member.
5585         * script-sections.cc
5586         (Output_section_element_input::set_section_address): Adjust code for
5587         renaming of Output_section::add_input_section_for_script.
5588         (Orphan_output_section::set_section_address): Same.
5589
5590 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5591
5592         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5593         Fix_v4bx enum values .
5594         * gold/options.h (General_options): New option definitions.
5595         (General_options::fix_v4bx): New method.
5596         (General_options::Fix_v4bx): New enum.
5597         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5598         (General_options::parse_fix_v4bx_interworking): New method.
5599
5600 2010-01-22  Doug Kwan  <dougkwan@google.com>
5601
5602         * arm.cc (Arm_exidx_fixup): New class.
5603
5604 2010-01-21  Doug Kwan  <dougkwan@google.com>
5605
5606         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5607         classes.
5608         (Arm_exidx_section_offset_map): New type.
5609
5610 2010-01-21  Doug Kwan  <dougkwan@google.com>
5611
5612         * arm.cc (Arm_exidx_input_section): New class.
5613         (Arm_relobj::exidx_input_section_by_link,
5614         Arm_relobj::exidx_input_section_by_shndx,
5615         Arm_relobj::make_exidx_input_section): New methods.
5616         (read_arm_attributes_section): Remove.
5617         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5618         information about them.
5619         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5620         to here.
5621
5622 2010-01-20  Doug Kwan  <dougkwan@google.com>
5623
5624         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5625         Input_section_specifier to Section_id.
5626         (Target_arm::new_arm_input_section: Adjust code for change of key
5627         type.
5628         (Target_arm::find_arm_input_section): Ditto.
5629         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5630         (Section_id): Remove.
5631         (Garbage_collection::Section_id_hash): Remove.
5632         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5633         (Section_id): Remove.
5634         (Icf::Section_id_hash): Remove.
5635         * object.h (Section_id, Const_section_id, Section_id_hash,
5636         Const_section_id_hash): New type definitions.
5637         * output.cc (Output_section::add_relaxed_input_section): Change to
5638         use Const_section_id instead of Input_section_specifier as key type.
5639         (Output_section::add_merge_input_section): Ditto.
5640         (Output_section::build_relaxation_map): Change to use Section_id
5641         instead of Input_section_specifier as key type.
5642         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5643         Ditto.
5644         (Output_section::convert_input_sections_to_relaxed_sections): Change
5645         to use Const_section_id instead of Input_section_specifier as key type.
5646         (Output_section::find_merge_section): Ditto.
5647         (Output_section::find_relaxed_input_section): Ditto.
5648         * output.h (Input_section_specifier): Remove class.
5649         (Output_section::Output_section_data_by_input_section_map): Change
5650         key type to Const_section_id.
5651         (Output_section::Output_relaxed_input_section_by_input_section_map):
5652         Ditto.
5653         (Output_section::Relaxation_map): Change key type to Section_id.
5654
5655 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5656
5657         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5658         (class Arm_v4bx_stub): New class.
5659         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5660         (Stub_factory::make_arm_v4bx_stub): New method.
5661         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5662         (Stub_table::empty): Handle v4bx stubs.
5663         (Stub_table::add_arm_v4bx_stub): New method.
5664         (Stub_table::find_arm_v4bx_stub): New method.
5665         (Arm_relocate_functions::v4bx): New method.
5666         (Target_arm::fix_v4bx): New method.
5667         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5668         (Stub_table::relocate_stubs): Likewise.
5669         (Stub_table::do_write): Likewise.
5670         (Stub_table::update_data_size_and_addralign): Likewise.
5671         (Stub_table::finalize_stubs):  Likewise.
5672         (Target_arm::Scan::local): Likewise.
5673         (Target_arm::Scan::global): Likewise.
5674         (Target_arm::do_finalize_sections): Likewise.
5675         (Target_arm::Relocate::relocate): Likewise.
5676         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5677         Likewise.
5678         (Target_arm::scan_reloc_for_stub): Likewise.
5679         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5680
5681 2010-01-19  Ian Lance Taylor  <iant@google.com>
5682
5683         * output.cc (Output_section_headers::do_sized_write): Write large
5684         segment count to sh_info field.
5685         (Output_file_header::do_sized_write): For large segment count,
5686         write PN_XNUM to e_phnum field.
5687
5688 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5689
5690         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5691         (Arm_relocate_functions::thm_jump8): New function.
5692         (Arm_relocate_functions::thm_jump11): New function.
5693         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5694         R_ARM_THM_JUMP11.
5695         (Target_arm::Scan::global): Likewise.
5696         (Target_arm::Relocate::relocate): Likewise.
5697         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5698         Likewise.
5699
5700 2010-01-14  Doug Kwan  <dougkwan@google.com>
5701
5702         * arm.cc (map, utility): Include headers.
5703         (Target_arm::apply_cortex_a8_workaround): New method.
5704         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5705         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5706         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5707         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5708         the --[no-]fix-cortex-a8 command line options.
5709         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5710         (Target_arm::relocate_stub): Use addend in instruction template.
5711         * options.h (DEFINE_bool): Set the user-set flag.
5712         (General_options): Add --[no-]-fix-cortex options.
5713         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5714         : Update fast look-up map after conversion.
5715
5716 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5717
5718         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5719         in the first pass of do_layout.
5720
5721 2010-01-13  Doug Kwan  <dougkwan@google.com>
5722
5723         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5724         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5725         apparent compiler problem of not folding static constant integral
5726         data members of elfcpp::Elf_sizes<32>.
5727
5728 2010-01-13  Doug Kwan  <dougkwan@google.com>
5729
5730         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5731         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5732         Arm_relobj::scan_section_for_cortex_a8_erratum,
5733         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5734         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5735         sections to scan for relocation stubs into a new method
5736         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5737         relocation and Cortex-A8 stub scanning.
5738         (Target_arm::do_relax): Force stubs to be after stubbed sections
5739         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5740         the beginning of a new relaxation pass.  Update a comment.
5741         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5742
5743 2010-01-12  Ian Lance Taylor  <iant@google.com>
5744
5745         * target-reloc.h (visibility_error): New inline function.
5746         (relocate_section): Call visibility_error.
5747         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5748         (MOSTLYCLEANFILES): Likewise.
5749         (protected_4_pic.o, protected_3.err): New targets.
5750         * testsuite/protected_4.cc: New file.
5751
5752 2010-01-12  Doug Kwan  <dougkwan@google.com>
5753
5754         * arm.cc (Cortex_a8_reloc): New class.
5755         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5756         and cortex_a8_relocs_info_.
5757         (Target_arm::fix_cortex_a8): New method definition.
5758         (Target_arm::Cortex_a8_relocs_info): New type.
5759         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5760         New data member declarations.
5761         (Target_arm::scan_reloc_for_stub): Record information about
5762         relocations for THUMB branches that might be exempted from the
5763         Cortex-A8 workaround.
5764         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5765         at the beginning of a relaxation pass.
5766
5767 2010-01-12  Doug Kwan  <dougkwan@google.com>
5768
5769         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5770         (Arm_relobj::Mapping_symbol_position,
5771          Arm_reloj::Mapping_symbol_position_less,
5772          Arm_relobj::Mapping_symbols_info): New types.
5773         (Target_arm::is_mapping_symbol_name): New method definition.
5774         (Arm_relobj::do_count_local_symbols): Save information about mapping
5775         symbols.
5776
5777 2010-01-11  Doug Kwan  <dougkwan@google.com>
5778
5779         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5780         Arm_relocate_functions::thumb32_branch_upper,
5781         Arm_relocate_functions::thumb32_branch_lower,
5782         Arm_relocate_functions::thumb32_cond_branch_offset,
5783         Arm_relocate_functions::thumb32_cond_branch_upper,
5784         Arm_relocate_functions::thumb32_cond_branch_lower,
5785         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5786         branch offset encoding.
5787         (Arm_relocate_functions::thumb_branch_common): Use new branch
5788         offset encoding methods to avoid code duplication.
5789         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5790         (Stub_addend_reader::operator()): Use new branch encoding method
5791         to avoid code duplication.
5792
5793 2010-01-11  Doug Kwan  <dougkwan@google.com>
5794
5795         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5796         (Target_arm::do_finalize_sections): Define special EXIDX section
5797         symbols only if referenced.
5798         * gc.h (Garbage_collection::add_reference): New method.
5799         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5800         code duplication.
5801
5802 2010-01-11  Ian Lance Taylor  <iant@google.com>
5803
5804         * script.cc (Version_script_info::build_expression_list_lookup):
5805         Change complaing about duplicate wildcard match from error to
5806         warning.
5807
5808         * script.cc (class Lazy_demangler): Recreate--revert part of patch
5809         of 2009-12-30.
5810         (Version_script_info::Version_script_info): Initialize globs_,
5811         default_version_, default_is_global_, and exact_.  Don't
5812         initialize globals_ or locals_.
5813         (Version_script_info::build_lookup_tables): Build local symbols
5814         first.
5815         (Version_script_info::unquote): New function.
5816         (Version_script_info::add_exact_match): New function.
5817         (Version_script_info::build_expression_list_lookup): Remove lookup
5818         parameter.  Add is_global parameter.  Change all callers.  Handle
5819         wildcard pattern specially.  Unquote pattern.  Call
5820         add_exact_match.
5821         (Version_script_info::get_name_to_match): New function.
5822         (Version_script_info::get_symbol_version): New function.
5823         (Version_script_info::get_symbol_version_helper): Remove.
5824         (Version_script_info::check_unmatched_names): Call unquote.
5825         * script.h (class Version_script_info): Change get_symbol_version
5826         to be non-inline and add is_global parameter; change all callers.
5827         Rewrite symbol_is_local.  Update declarations.  Define struct
5828         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
5829         Remove globals_ and locals_ members.  Add exact_, globs_,
5830         default_version_, is_global_.
5831         (Version_script_info::Glob): Remove pattern, add expression and
5832         is_global.  Update constructor.  Change all callers.
5833         * dynobj.cc (Versions::finalize): Mark the version symbol as the
5834         default version.
5835         (Versions::symbol_section_contents): If a symbol is undefined, or
5836         defined in a dynamic object, set the version index to
5837         VER_NDX_LOCAL.
5838         * symtab.cc (Symbol_table::add_from_relobj): Don't call
5839         symbol_is_local.
5840         (Symbol_table::add_from_pluginobj): Likewise.
5841         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
5842
5843 2010-01-11  Doug Kwan  <dougkwan@google.com>
5844
5845         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
5846         (incremental_dump_LDADD): Add linking option for libintl.
5847         * Makefile.in: Regenerate.
5848
5849 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
5850
5851         PR gold/11144
5852         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5853         instead of -Ds.
5854         * testsuite/Makefile.in: Regenerated.
5855
5856 2010-01-10  Doug Kwan  <dougkwan@google.com>
5857
5858         * options.h (DEFINE_var): Use parentheses around argument varname__
5859         in macro body to avoid any unintended subsequent substitutions.
5860
5861 2010-01-10  Ian Lance Taylor  <iant@google.com>
5862
5863         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
5864         candidates before doing symbol resolution.
5865
5866         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
5867         ODR candidates if only one is weak.
5868
5869 2010-01-08  Ian Lance Taylor  <iant@google.com>
5870
5871         * script.cc (Version_script_info::build_expression_list_lookup):
5872         Don't warn about ambiguous version, just record the ambiguity.
5873         (Version_script_info::get_symbol_version_helper): Give error if
5874         version is ambiguous.
5875
5876 2010-01-08  Doug Kwan  <dougkwan@google.com>
5877
5878         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
5879           prev_data_size_ and prev_addralign_.  Remove initializer for
5880           deleted data member has_been_changed_.
5881           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
5882           to determine if the table is empty.
5883           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
5884           Remove.
5885           (Stub_table::add_reloc_stub): Define method in class definition
5886           instead of just declaring it there.
5887           (Stub_table::add_cortex_a8_stub): New method definition.
5888           (Stub_table::update_data_size_and_addralign): Ditto.
5889           (Stub_table::finalize_stubs): Ditto.
5890           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
5891           (Stub_table::do_addralign_): Return address alignment in the
5892           (Stub_table::do_reset_address_and_file_offset): Define method in
5893           class definition instead of declaring it there.  Set current data
5894           size to be the data size of the previous pass.
5895           (Stub_table::set_final_data_size): Use current data size as the
5896           final data size.
5897           (Stub_table::relocate_stub): Change parameter type of stub from
5898           Reloc_stub pointer to Stub pointer.
5899           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
5900           (Stub_table::Cortex_a8_stub_list): New typedef.
5901           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
5902            Stub_table::prev_addralign_): New data member.
5903           (Arm_relobj::Arm_relobj): Initialize data member
5904           section_has_cortex_a8_workaround_.
5905           (Arm_relobj::section_has_cortex_a8_workaround,
5906            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
5907            definitions.
5908           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
5909           declarations.
5910           (Target_arm::relocate_stub): Change parameter type of stub from
5911           Reloc_stub pointer to Stub pointer.
5912           (Insn_template::size, Insn_template::alignment): Handle
5913           THUMB16_SPECIAL_TYPE.
5914           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
5915            Stub_table::update_data_size_and_addralign,
5916            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
5917           definitions.
5918           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
5919           (Stub_table::do_write): Ditto.
5920           (Target_arm::do_relax): Adjust code for changes in Stub_table.
5921
5922 2010-01-08  Ian Lance Taylor  <iant@google.com>
5923
5924         PR 11108
5925         * symtab.h (class Symbol): Remove fields is_target_special_ and
5926         has_plt_offset_.  Add field is_defined_in_discarded_section_.
5927         (Symbol::is_defined_in_discarded_section): New function.
5928         (Symbol::set_is_defined_in_discarded_section): New function.
5929         (Symbol::has_plt_offset): Rewrite.
5930         (Symbol::set_plt_offset): Verify that new offset is not -1U.
5931         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
5932         Don't initialize is_target_special_ or has_plt_offset_.
5933         Initialize is_defined_in_discarded_section_.
5934         (Symbol_table::add_from_relobj): If appropriate, set
5935         is_defined_in_discarded_section.
5936         * resolve.cc (Symbol::override_base_with_special): Don't test
5937         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
5938         * target-reloc.h (relocate_section): Do special handling for
5939         symbols defined in discarded sections for global symbols as well
5940         as local symbols.
5941
5942 2010-01-08  Ian Lance Taylor  <iant@google.com>
5943
5944         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
5945         the SHT_SYMTAB case.
5946
5947 2010-01-08  Ian Lance Taylor  <iant@google.com>
5948
5949         * object.cc (Sized_relobj::do_layout): Don't get confused if
5950         layout_eh_frame returns NULL.
5951
5952 2010-01-08  Ian Lance Taylor  <iant@google.com>
5953
5954         PR 11084
5955         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
5956         dynamic symbol table, use the normal symbol table.
5957         (Sized_dynobj::do_read_symbols): Remove assertion about type of
5958         symbol table.
5959
5960 2010-01-08  Ian Lance Taylor  <iant@google.com>
5961
5962         PR 11072
5963         * layout.cc (Layout::include_section): Remove .gnu_debuglink
5964         sections.
5965
5966 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
5967
5968         * version.cc (print_version): Change to "Copyright 2010".
5969
5970 2010-01-08  Ian Lance Taylor  <iant@google.com>
5971
5972         PR 10287
5973         PR 11063
5974         * i386.cc (class Target_i386): Change return type of plt_section
5975         to be non-const.
5976         (class Output_data_plt_i386): Add tls_desc_rel_ field.
5977         (Output_data_plt_i386::Output_data_plt_i386): Initialize
5978         tls_desc_rel_ field.
5979         (Output_data_plt_i386::rel_tls_desc): New function.
5980         (Target_i386::rel_tls_desc_section): New function.
5981         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
5982         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
5983         R_386_TLS_DESC reloc in rel_tls_desc_section.
5984         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
5985         Define struct Tlsdesc_info.
5986         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
5987         (Target_x86_64::do_reloc_symbol_index): New function.
5988         (Target_x86_64::add_tlsdesc_info): New function.
5989         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
5990         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
5991         tlsdesc_rel_ field.
5992         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
5993         all callers.
5994         (Output_data_plt_x86_64::rela_tlsdesc): New function.
5995         (Target_x86_64::rela_tlsdesc_section): New function.
5996         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
5997         handling.
5998         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
5999         (Target_x86_64::do_reloc_addend): New function.
6000         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6001         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6002         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6003         (Output_reloc::type): New function.
6004         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6005         (Output_reloc::is_target_specific): New function.
6006         (Output_reloc::target_arg): New function.
6007         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6008         absolute relocs and target specific relocs.
6009         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6010         add_target_specific.
6011         (class Output_data_reloc) [SHT_RELA]: Likewise.
6012         * output.cc (Output_reloc::Output_reloc): Add four new versions
6013         for absolute relocs and target specific relocs.
6014         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6015         (Output_reloc::get_symbol_index): Likewise.
6016         (Output_reloc::local_section_offset): Check that local_sym_index_
6017         is not TARGET_CODE or 0.
6018         (Output_reloc::symbol_value): Likewise.
6019         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6020         reloc.
6021         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6022         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6023         functions.
6024         * layout.cc (add_target_dynamic_tags): Use output section for
6025         DT_PLTRELSZ and DT_JMPREL.
6026
6027 2010-01-07  Ian Lance Taylor  <iant@google.com>
6028
6029         PR 11061
6030         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6031         function.
6032         (class Output_data_reloc_generic): Define.
6033         (class Output_data_reloc_base): Change base class to
6034         Output_data_reloc_generic.  Change add() method to call
6035         bump_relative_reloc_count for a relative reloc.  Remove
6036         sort_relocs_ field.
6037         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6038         to sort_relocs().
6039         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6040         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6041         appropriate.
6042         * layout.h (class Layout): Update declaration.
6043
6044 2010-01-07  Ian Lance Taylor  <iant@google.com>
6045
6046         * output.h (class Output_data): Add const version of
6047         output_section and do_output_section.
6048         (class Output_section_data): Add const version of
6049         do_output_section.
6050         (class Output_section): Likewise.
6051         * layout.cc (Layout::add_target_dynamic_tags): New function.
6052         * layout.h (class Layout): Update declarations.
6053         * arm.cc (Target_arm::do_finalize_sections): Use
6054         add_target_dynamic_tags.
6055         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6056         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6057         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6058         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6059
6060 2010-01-07  Ian Lance Taylor  <iant@google.com>
6061
6062         PR 11042
6063         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6064         object as needed.
6065
6066 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6067             Ian Lance Taylor  <iant@google.com>
6068
6069         PR 11019
6070         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6071         Xindex::read_symtab_xindex.
6072
6073 2010-01-07  Doug Kwan  <dougkwan@google.com>
6074
6075         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6076         (Insn_template::thumb16_bcond_insn): New method declaration.
6077         (Insn_template): Fix spelling.
6078         (Stub::thumb16_special): New method declaration.
6079         (Stub::do_write): Define virtual method which was previously pure
6080         virtual.
6081         (Stub::do_thumb16_special): New method declaration.
6082         (Stub::do_fixed_endian_write): New template member.
6083         (Reloc_stub::do_write): Remove.
6084         (Reloc_stub::do_fixed_endian_write): Remove.
6085         (Cortex_a8_stub): New class definition.
6086         (Stub_factory::make_cortex_a8_stub): New method definition.
6087         (Stub_factory::Stub_factory): Add missing static storage class
6088         qualifier for elf32_arm_stub_a8_veneer_blx.
6089
6090 2010-01-07  Ian Lance Taylor  <iant@google.com>
6091
6092         PR 10980
6093         * options.h (class General_options): Add --warn-unresolved-symbols
6094         and --error-unresolved-symbols.
6095         * errors.cc (Errors::undefined_symbol): Implement
6096         --warn-unresolved-symbols.
6097
6098         * options.h (class General_options): Add -z text and -z textoff.
6099         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6100
6101 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6102
6103         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6104         (Garbage_collection::cident_sections): New function.
6105         (Garbage_collection::add_cident_section): New function.
6106         (Garbage_collection::cident_sections_): New member.
6107         (gc_process_relocs): Add references to sections whose names are C
6108         identifiers.
6109         * gold.h (cident_section_start_prefix): New constant.
6110         (cident_section_stop_prefix): New constant.
6111         (is_cident): New function.
6112         * layout.cc (Layout::define_section_symbols): Replace string constants
6113         with the newly defined constants.
6114         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6115         C identifiers.
6116         * testsuite/Makefile.am: Add gc_orphan_section_test.
6117         * testsuite/Makefile.in: Regenerate.
6118         * testsuite/gc_orphan_section_test.cc: New file.
6119         * testsuite/gc_orphan_section_test.sh: New file.
6120
6121 2010-01-06  Ian Lance Taylor  <iant@google.com>
6122
6123         PR 10980
6124         * options.h (class General_options): Add --warn-shared-textrel.
6125         * layout.cc (Layout::finish_dynamic_section): Implement
6126         --warn-shared-textrel.
6127
6128         PR 10980
6129         * options.h (class General_options): Add --warn-multiple-gp.
6130
6131 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6132
6133         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6134         $(THREADSLIB) and $(LIBDL).
6135         * Makefile.in: Rebuild.
6136
6137 2010-01-06  Ian Lance Taylor  <iant@google.com>
6138
6139         PR 10980
6140         * options.cc (General_options::parse_section_start): New function.
6141         (General_options::section_start): New function.
6142         (General_options::General_options): Initialize all members.
6143         * options.h: Include <map>
6144         (class General_options): Add --section-start.  Add section_starts_
6145         member.
6146         * layout.cc (Layout::attach_allocated_section_to_segment): If
6147         --section-start was used, set the address of the segment.  Remove
6148         local sort_sections.
6149         (Layout::relaxation_loop_body): If the address of the load segment
6150         has been set by --section-start, don't use it.
6151         * output.h (Output_segment::update_flags_for_output_section): New
6152         function.
6153         * output.cc (Output_segment::add_output_section): Call
6154         update_flags_for_output_section.
6155
6156 2010-01-05  Ian Lance Taylor  <iant@google.com>
6157
6158         PR 10980
6159         * options.h (class General_options): Add --undefined-version.
6160         * script.cc (struct Version_expression): Add was_matched_by_symbol
6161         field.
6162         (Version_script_info::matched_symbol): New function.
6163         (Version_script_info::get_symbol_version_helper): Call
6164         matched_symbol.
6165         (Version_script_info::check_unmatched_names): New function.
6166         * script.h (class Version_script_info): Update declarations.
6167         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6168
6169         * options.h (class General_options): Use DEFINE_bool_alias for
6170         allow_multiple_definition.
6171         * resolve.cc (Symbol_table::should_override): Don't test
6172         allow_multiple_definition.
6173
6174         PR 10980
6175         * options.h (class General_options): Add --cref.
6176         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6177         until after printing cref table.
6178         * cref.cc: Include "symtab.h".
6179         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6180         (Cref_table_compare::operator()): New function.
6181         (Cref_inputs::gather_cref): New function.
6182         (filecol): New static const.
6183         (Cref_inputs::print_cref): New function.
6184         (Cref::print_cref): New function.
6185         * cref.h: Include <cstdio>.
6186         (class Cref): Update declarations.
6187         * mapfile.h (Mapfile::file): New function.
6188         * object.h (class Object): Define Symbols.  Declare virtual
6189         do_get_global_symbols.
6190         (Object::get_global_symbols): New function.
6191         * object.cc (Input_objects::add_object): Pass object to cref_ if
6192         --cref.
6193         (Input_objects::archive_start): Likewise.
6194         (Input_objects::archive_stop): Likewise.
6195         (Input_objects::print_cref): New function.
6196         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6197         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6198         --cref.
6199         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6200         function.
6201         * plugin.h (class Sized_pluginobj): Update declarations.
6202
6203 2010-01-05  Ian Lance Taylor  <iant@google.com>
6204
6205         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6206         to is_default_version.  Rename insdef to insdefault.
6207         (Symbol_table::add_from_relobj): Rename def to is_default_version
6208         and local to is_forced_local.
6209         (Symbol_table::add_from_pluginobj): Likewise.
6210         (Symbol_table::add_from_dynobj): Likewise.
6211         (Symbol_table::define_special_symbol): Rename insdef to
6212         insdefault.
6213
6214 2010-01-04  Ian Lance Taylor  <iant@google.com>
6215
6216         PR 10980
6217         * options.h (class General_options): Add
6218         --allow-multiple-definition and -z muldefs.
6219         * resolve.cc (Symbol_table::should_override): Don't warn about a
6220         multiple symbol definition if --allow-multiple-definition or -z
6221         muldefs.
6222
6223         PR 10980
6224         * options.h (class General_options): Add --add-needed and
6225         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6226         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6227         error if --copy-dt-needed-entries aka --add-needed is used and
6228         would cause a change in behaviour.
6229
6230         PR 10980
6231         * options.h (class General_options): Add -G as a short version of
6232         --shared.  Add no-op options -assert, -g, and -i.
6233
6234 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6235
6236         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6237         check for .text or .gnu.linkonce.t sections.
6238         * icf.cc (Icf::find_identical_sections): Ditto.
6239         Change the detection for mangled function name within the section
6240         name.
6241         * icf.h (is_section_foldable_candidate): New function.
6242
6243 2009-12-30  Ian Lance Taylor  <iant@google.com>
6244
6245         PR 10980
6246         * options.h (class General_options): Permit two dashes with
6247         --retain-symbols-file.
6248
6249 2009-12-30  Ian Lance Taylor  <iant@google.com>
6250
6251         PR 10979
6252         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6253         don't put the file header and segment headers in the text
6254         segment.
6255
6256         PR 10979
6257         * common.cc (Sort_commons::operator()): Stabilize sort when both
6258         entries are NULL.
6259         (Symbol_table::do_allocate_commons_list): When allocating common
6260         symbols, skip a symbol which is no longer common.
6261         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6262         an object before checking its type.
6263         * testsuite/common_test_2.c: New file.
6264         * testsuite/common_test_3.c: New file.
6265         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6266         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6267         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6268         (common_test_2_pic.o, common_test_2.so): New targets.
6269         (common_test_3_pic.o, common_test_3.so): New targets.
6270         * testsuite/Makefile.in: Rebuild.
6271
6272         PR 10979
6273         * script.cc (read_input_script): If we see a new SECTIONS clause,
6274         and we have added an input section, give an error.
6275         * layout.h (class Layout): Add have_added_input_section function.
6276         Add have_added_input_section_ field.
6277         * layout.cc (Layout::Layout): Initialize
6278         have_added_input_section_.
6279         (Layout::layout): Set have_added_input_section_.
6280         (Layout::layout_eh_frame): Likewise.
6281
6282 2009-12-30  Ian Lance Taylor  <iant@google.com>
6283
6284         PR 10931
6285         * options.h (class General_options): Add --sort-common option.
6286         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6287         * common.cc (Sort_common): Add sort_order parameter to
6288         constructor.  Add sort_order_ field.
6289         (Sort_commons::operator): Check sort_order_.
6290         (Symbol_table::allocate_commons): Determine the sort order.
6291         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6292         Change all callers.
6293         (Symbol_table::do_allocate_commons_list): Likewise.
6294
6295 2009-12-30  Ian Lance Taylor  <iant@google.com>
6296
6297         PR 10916
6298         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6299         symbols from this object, don't change the visibility of an
6300         undefined symbol.
6301         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6302
6303 2009-12-30  Ian Lance Taylor  <iant@google.com>
6304
6305         PR 10861
6306         * script.h (class Version_script_info): Define Language enum.
6307         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6308         new fields globals_, locals_, and is_finalized_.
6309         * script.cc: Various formatting fixes.
6310         (class Parser_closure): Change language_stack_ from a vector of
6311         std::string to one of Version_script_info::Language.  Adjust all
6312         uses accordingly.
6313         (class Lazy_demangler): Remove.
6314         (struct Version_expression): Change language from std::string to
6315         Version_script_info::Language.
6316         (Version_script_info::Version_script_info): New function.
6317         (Version_script_info::~Version_script_info): Don't call clear.
6318         (Version_script_info::finalize): New function.
6319         (Version_script_info::build_lookup_tables): New function.
6320         (Version_script_info::build_expression_list_lookup): New
6321         function.
6322         (Version_script_info::get_symbol_version_helper): Rewrite to use
6323         lookup tables.
6324         (Version_script_info::print_expression_list): Adjust to use
6325         Version_script_info::Language.
6326         (script_push_lex_into_version_mode): Check that the version script
6327         has not been finalized.
6328         (version_script_push_lang): Change language string to
6329         Version_script_info::Language.
6330         * options.cc (Command_line::version_script): New function.
6331         * options.h (class General_options): Add finalize_dynamic_list
6332         function.  Change version_script from declaration to definition.
6333         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6334         * testsuite/version_script.map: Remove duplicate def of foo.
6335         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6336         version_script.map.
6337         * testsuite/Makefile.in: Rebuild.
6338
6339 2009-12-30  Ian Lance Taylor  <iant@google.com>
6340
6341         PR 10843
6342         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6343         if the input symbol index is 0, make the output symbol index 0.
6344
6345 2009-12-30  Ian Lance Taylor  <iant@google.com>
6346
6347         PR 10670
6348         * options.h (class General_options): Add -x/--discard-all.
6349         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6350         --discard-all.  If the local symbol needs a dynamic entry, check
6351         that before handling --discard-locals.
6352
6353 2009-12-30  Ian Lance Taylor  <iant@google.com>
6354
6355         PR 10450
6356         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6357         flags to PF_R.
6358         (Output_segment::add_output_section): Don't change the flags if
6359         the type is PT_TLS.
6360
6361         PR 10450
6362         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6363         GNU hash table if they need a dynamic value.  Otherwise, don't add
6364         them if they are defined in a dynamic object or are forced local.
6365
6366 2009-12-29  Ian Lance Taylor  <iant@google.com>
6367
6368         PR 10450
6369         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6370         .gnu.hash table for a 32-bit target.
6371
6372         PR 10450
6373         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6374         regular and a dynamic object only needs a dynamic symbol table
6375         entry if it is externally visible.
6376
6377         PR 10450
6378         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6379         constructor.  Add global_offset_table_ field.
6380         (Target_i386::got_section): Set global_offset_table_.
6381         (Target_i386::do_finalize_sections): Set global_offset_table_
6382         size.
6383         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6384         in constructor.  Add global_offset_table_ field.
6385         (Target_x86_64::got_section): Set global_offset_table_.
6386         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6387         size.
6388
6389         * layout.cc (Layout::Layout): Initialize increase_relro_.
6390         (Layout::get_output_section): Add is_relro, is_last_relro, and
6391         is_first_non_relro parameters.  Change all callers.
6392         (Layout::choose_output_section): Likewise.
6393         (Layout::add_output_section_data): Likewise.
6394         (Layout::make_output_section): Likewise.
6395         (Layout::set_segment_offsets): Clear increase_relro when using a
6396         linker script.
6397         * layout.h (class Layout): Add increase_relro method.  Add
6398         increase_relro_ field.  Update declarations.
6399         * output.cc (Output_section::Output_section): Initialize
6400         is_last_relro_ and is_first_non_relro_.
6401         (Output_segment::add_output_section): Group relro sections is
6402         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6403         (Output_segment::maximum_alignment): Remove relro handling.
6404         (Output_segment::set_section_addresses): Add increase_relro
6405         parameter.  Change all callers.  Add initial alignment to align
6406         relro sections on separate page.  Remove old relro handling.
6407         (Output_segment::set_section_list_addresses): Remove in_relro
6408         parameter.  Change all callers.
6409         (Output_segment::set_offset): Add increase parameter.  Change all
6410         callers.  Remove old relro handling.
6411         * output.h (class Output_section): Add new methods: is_last_relro,
6412         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6413         Add is_last_relro_ and is_first_non_relro_ fields.
6414         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6415         Create separate .got.plt section.  Call increase_relro.
6416         * x86_64.cc (Target_x86_64::got_section): Likewise.
6417         * testsuite/relro_script_test.t: Add .got.plt.
6418
6419         PR 10450
6420         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6421         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6422         (Layout::finalize): Call set_dynamic_symbol_size.
6423         (Layout::set_dynamic_symbol_size): New function.
6424         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6425         set_dynamic_symbol_size.
6426
6427         PR 10450
6428         * output.h (class Output_section): Add is_entsize_zero_ field.
6429         * output.cc (Output_section::Output_section): Initialize
6430         is_entsize_zero_.
6431         (Output_section::set_entsize): If two different entsizes are
6432         requested, force it to zero.
6433         (Output_section::add_input_section): Set flags for .debug_str
6434         before updating section flags.  Set entsize.
6435         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6436         and SHF_STRING if all input sections have those flags.
6437
6438 2009-12-29   Rafael Espindola  <espindola@google.com>
6439
6440         * main.cc (main): Fix the sys time reporting.
6441         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6442         reporting.
6443
6444 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6445
6446         * options.cc (General_options::parse_version): Allow -v to exit
6447         without an error if there is nothing to link.
6448
6449 2009-12-29  Ian Lance Taylor  <iant@google.com>
6450
6451         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6452         using a version of gcc before 4.1.
6453         * configure: Rebuild.
6454
6455 2009-12-28  Chris Demetriou  <cgd@google.com>
6456
6457         * attributes.cc (Output_attributes_section_data::do_write): Use
6458         std::vector::front rather than std::vector::data.
6459
6460 2009-12-28  Ian Lance Taylor  <iant@google.com>
6461
6462         * symtab.h (class Symbol_table): Add enum Defined.
6463         * resolve.cc (Symbol_table::should_override): Add defined
6464         parameter.  Change all callers.  Test whether object is NULL
6465         before calling a method on it.
6466         (Symbol_table::report_resolve_problem): Add defined parameter.
6467         Change all callers.
6468         (Symbol_table::should_override_with_special): Likewise.
6469         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6470         parameter.  Change all callers.
6471         (Symbol_table::do_define_in_output_data): Likewise.
6472         (Symbol_table::define_in_output_segment): Likewise.
6473         (Symbol_table::do_define_in_output_segment): Likewise.
6474         (Symbol_table::define_as_constant): Likewise.
6475         (Symbol_table::do_define_as_constant): Likewise.
6476         * script.h (class Symbol_assignment): Add is_defsym parameter to
6477         constructor; change all callers.
6478         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6479         parameter.  Change all callers.  Add is_defsym_ field.
6480         (class Parser_closure): Add parsing_defsym parameter to
6481         constructor; change all callers.  Add parsing_defsym accessor
6482         function.  Add parsing_defsym_ field.
6483
6484 2009-12-28  Ian Lance Taylor  <iant@google.com>
6485
6486         * gold.cc (queue_middle_tasks): Fix formatting.
6487         * object.cc (Relobj::is_section_name_included): Likewise.
6488
6489 2009-12-23  Ian Lance Taylor  <iant@google.com>
6490
6491         * i386.cc (Target_i386::do_calls_non_split): Recognize
6492         -fsplit-stack prologue for a function with a static chain.
6493         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6494         -fsplit-stack prologue when using %r11.
6495
6496 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6497
6498         * options.cc (General_options::parse_version): Make -v continue and do
6499         the link like GNU ld does.
6500
6501 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6502
6503         * Makefile.am (CCFILES): Add timer.cc.
6504         (HFILES): Add timer.h.
6505         * configure.ac: Check for sysconf and times.
6506         * main.cc: include timer.h.
6507         (main): Use Timer instead of get_run_time.
6508         * timer.cc: New.
6509         * timer.h: New.
6510         * workqueue.cc: include timer.h.
6511         (Workqueue::find_and_run_task):
6512         Report user, sys and wall time.
6513         * Makefile.in: Regenerate.
6514         * config.in: Regenerate.
6515         * configure: Regenerate.
6516
6517 2009-12-16  Doug Kwan  <dougkwan@google.com>
6518
6519         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6520         sections.
6521         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6522         relaxed input sections.
6523         * output.cc (Output_section::find_relaxed_input_section): Change
6524         return type to Output_relaxed_input_section pointer.  Adjust code
6525         for new type of relaxed_input_section_map_.
6526         * output.h (Output_section::find_relaxed_input_section): Change
6527         return type to Output_relaxed_input_section pointer.
6528         (Output_section::Output_relaxed_input_section_by_input_section_map):
6529         New type.
6530         (Output_section::relaxed_input_section_map_): Change type to
6531         Output_section::Output_relaxed_input_section_by_input_section_map.
6532         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6533         input section.
6534
6535 2009-12-15  Ian Lance Taylor  <iant@google.com>
6536
6537         * layout.cc (Layout::create_shstrtab): Only write out after input
6538         sections if we are compressing debug sections.
6539
6540 2009-12-15  Ian Lance Taylor  <iant@google.com>
6541
6542         * archive.cc (Archive::add_symbols): Only look up a symbol without
6543         a version if there is, in fact, a version.
6544
6545 2009-12-14  Ian Lance Taylor  <iant@google.com>
6546
6547         Revert -Wshadow changes, all changes from:
6548         2009-12-11  Doug Kwan  <dougkwan@google.com>
6549         2009-12-11  Nick Clifton  <nickc@redhat.com>
6550         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6551
6552 2009-12-11  Doug Kwan  <dougkwan@google.com>
6553
6554         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6555         due to -Wshadow.
6556         * attributes.cc (Object_attribute::size): Ditto.
6557         (Attributes_section_data::size): Ditto.
6558         (Attributes_section_data::Attributes_section_data): Ditto.
6559         (Output_attributes_section_data::do_write): Ditto.
6560         * attributes.h (Object_attribute::set_type): Ditto.
6561         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6562
6563 2009-12-11  Nick Clifton  <nickc@redhat.com>
6564
6565         * archive.cc: Fix shadowed variable warnings.
6566         * arm.cc: Likewise.
6567         * compressed_output.cc: Likewise.
6568         * compressed_output.h: Likewise.
6569         * configure: Likewise.
6570         * dwarf_reader.cc: Likewise.
6571         * dynobj.cc: Likewise.
6572         * dynobj.h: Likewise.
6573         * ehframe.cc: Likewise.
6574         * ehframe.h: Likewise.
6575         * errors.cc: Likewise.
6576         * expression.cc: Likewise.
6577         * fileread.cc: Likewise.
6578         * fileread.h: Likewise.
6579         * freebsd.h: Likewise.
6580         * i386.cc: Likewise.
6581         * icf.cc: Likewise.
6582         * incremental.h: Likewise.
6583         * layout.cc: Likewise.
6584         * layout.h: Likewise.
6585         * mapfile.cc: Likewise.
6586         * merge.cc: Likewise.
6587         * merge.h: Likewise.
6588         * object.cc: Likewise.
6589         * object.h: Likewise.
6590         * options.h: Likewise.
6591         * output.cc: Likewise.
6592         * output.h: Likewise.
6593         * parameters.cc: Likewise.
6594         * plugin.cc: Likewise.
6595         * powerpc.cc: Likewise.
6596         * reduced_debug_output.cc: Likewise.
6597         * reduced_debug_output.h: Likewise.
6598         * reloc.cc: Likewise.
6599         * reloc.h: Likewise.
6600         * resolve.cc: Likewise.
6601         * script-sections.cc: Likewise.
6602         * script.cc: Likewise.
6603         * script.h: Likewise.
6604         * sparc.cc: Likewise.
6605         * symtab.cc: Likewise.
6606         * symtab.h: Likewise.
6607         * target-select.cc: Likewise.
6608         * target-select.h: Likewise.
6609         * token.h: Likewise.
6610         * workqueue.cc: Likewise.
6611         * workqueue.h: Likewise.
6612         * x86_64.cc: Likewise.
6613
6614 2009-12-10  Doug Kwan  <dougkwan@google.com>
6615
6616         * arm.cc (attributes.h): New include.
6617         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6618         (Arm_relobj::~Arm_relobj): Delete object pointed by
6619         attributes_section_data_.
6620         (Arm_relobj::attributes_section_data): New method definition.
6621         (Arm_relobj::attributes_section_data_): New data member declaration.
6622         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6623         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6624         attributes_section_data_.
6625         (Arm_dynobj::attributes_section_data): New method definition.
6626         (Arm_dynobj::attributes_section_data_): New data member declaration.
6627         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6628         initialization value of may_use_blx_ to false.
6629         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6630         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6631         object attributes to compute results instead of hard-coding.
6632         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6633         Target_arm::get_secondary_compatible_arch,
6634         Target_arm::set_secondary_compatible_arch
6635         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6636         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6637         New method declarations.
6638         (Target_arm::get_aeabi_object_attribute): New method definition.
6639         (Target_arm::attributes_section_data_): New data member declaration.
6640         (read_arm_attributes_section): New template definition.
6641         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6642         (Arm_dynobj::do_read_symbols): Ditto.
6643         (Target_arm::do_finalize_sections): Merge attributes sections from
6644         input.  Check for BLX use after attributes section merging.
6645         Fix __exidx_start and __exidx_end visibility.  Create an
6646         .ARM.attributes section if necessary.
6647         (Target_arm::get_secondary_compatible_arch,
6648         Target_arm::set_secondary_compatible_arch,
6649         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6650         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6651         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6652         New method definitions.
6653
6654 2009-12-09  Ian Lance Taylor  <iant@google.com>
6655
6656         * plugin.cc (Plugin::load): Don't cast from void* to a function
6657         pointer.
6658
6659 2009-12-09  Ian Lance Taylor  <iant@google.com>
6660
6661         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6662         information fields.
6663
6664 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6665
6666         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6667         Replace two_file_shared_1.so with two_file_shared_2.so.
6668         * testsuite/Makefile.in: Regenerated.
6669
6670 2009-12-08  Doug Kwan  <dougkwan@google.com>
6671
6672         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6673         (HFILES): Add attributes.h and int_encoding.h.
6674         * Makefile.in: Regenerate.
6675         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6676         function definitions to int_encoding.cc
6677         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6678         prototypes to int_encoding.h
6679         * reduced_debug_output.cc (int_encoding.h): New include.
6680         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6681         function definitions to int_encoding.cc
6682         (insert_into_vector, read_from_pointer): Move template definitions to
6683         int_encoding.h
6684         * attributes.cc: New file.
6685         * attributes.h: New file.
6686         * int_encoding.cc: New file.
6687         * int_encoding.h: New file.
6688
6689 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6690
6691         PR gold/11055
6692         * incremental-dump.cc (dump_incremental_inputs): New.
6693         (main): Use dump_incremental_inputs.
6694
6695 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6696
6697         PR gold/10893
6698         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6699         checking elfcpp::STT_FUNC.
6700         (Target_i386::Relocate::relocate): Likewise.
6701         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6702
6703         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6704         symbols from shared libraries into normal FUNC symbols.
6705
6706         * symtab.h (Symbol): Add is_func and use it.
6707
6708 2009-12-05  Doug Kwan  <dougkwan@google.com>
6709
6710         * arm.cc (Target_arm::arm_info): Initialize new fields
6711         attributes_section and attributes_vendor.
6712         * i386.cc (Target_i386::i386_info): Same.
6713         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6714         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6715         fields attributes_section and attributes_vendor.
6716         * sparc.cc (Target_sparc::sparc_info): Same.
6717         * target.h (Target::attributes_section, Target::attributes_vendor,
6718         Target::is_attributes_section, Target::attribute_arg_type,
6719         Target::attributes_order): New method definitions.
6720         (Target::Target_info::attributes_section,
6721         Target::Target_info::attributes_vendor): New fields.
6722         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6723         virtual method definitions.
6724         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6725         attributes_section and attributes_vendor.
6726         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6727
6728 2009-12-05  Doug Kwan  <dougkwan@google.com>
6729
6730         * arm.cc: Update comments about interworking and stub generation.
6731         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6732         considered as non-PIC.
6733         (Arm_relocate_functions::base_abs): Fix formatting.
6734         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6735         of function to use GOT entry address instead of offset.
6736         (Target_arm::Scan::global): Issue an error if a symbol would need a
6737         PLT does not get one because it is untyped.  Remove code to create
6738         dynamic symbols for relative branches.
6739         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6740         takes unsigned integer instead of boolean.
6741
6742 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
6743
6744         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6745         (two_file_test_LDADD): Likewise.
6746         (common_test_1_LDADD): Likewise.
6747         (exception_test_LDADD) Likewise.
6748         (weak_test_LDADD): Likewise.
6749         (many_sections_test_LDADD): Likewise.
6750         (initpri1_LDADD): Likewise.
6751         (script_test_1_LDADD): Likewise.
6752         (script_test_2_LDADD): Likewise.
6753         (justsyms_LDADD): Likewise.
6754         (binary_test_LDADD): Likewise.
6755         (large_LDADD): Likewise.
6756         * testsuite/Makefile.in: Regenerated.
6757
6758 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
6759
6760         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6761         (Symbol_table::override_with_special): Likewise.
6762         (Symbol_table::add_from_object): Likewise.
6763
6764 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6765
6766         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6767         Don't set the data_offset twice.
6768
6769 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6770
6771         * testsuite/Makefile.in: Regenerate.
6772
6773 2009-12-03  Doug Kwan  <dougkwan@google.com>
6774
6775         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6776         (Target_arm::do_finalize_sections): Add parameter for symbol table
6777         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6778         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6779         parameter for symbol table pointer.
6780         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6781         an additional parameter for a pointer to symbol table.
6782         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6783         parameter for a symbol table pointer.
6784         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6785         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6786         Ditto.
6787         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6788         parameter for a symbol table pointer.
6789
6790 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
6791
6792         * incremental.cc (Incremental_inputs_header)
6793         (Incremental_inputs_header_write, Incremental_inputs_entry)
6794         (Incremental_inputs_entry_write): Move ...
6795         * incremental.h (Incremental_inputs_header)
6796         (Incremental_inputs_header_write, Incremental_inputs_entry)
6797         (Incremental_inputs_entry_write): here.
6798
6799 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6800
6801         * incremental.cc (make_sized_incremental_binary): Set the target.
6802         Error if it is incompatible.
6803         * output.h (Output_file): Add filename method.
6804
6805 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6806
6807         * incremental.cc (Incremental_inputs_entry): Remove unused argument
6808         from the get_* methods.
6809
6810 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6811
6812         * incremental-dump.cc (main): Check that the offeset of a script is 0.
6813         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6814         Write 0 for the data_offset of scripts.
6815
6816 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6817
6818         * testsuite/Makefile.am: Add the incremental_test.sh test.
6819         * testsuite/incremental_test.sh: New.
6820         * testsuite/incremental_test_1.c: New.
6821         * testsuite/incremental_test_2.c: New.
6822
6823 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
6824
6825        * incremental-dump.cc (main): Fix typos.
6826
6827 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
6828
6829         PR gold/11025
6830         * incremental-dump.cc (main): Use llu to print 64 bit values.
6831
6832 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
6833             H.J. Lu  <hongjiu.lu@intel.com>
6834
6835         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6836         $(LIBDL).
6837         (incremental_dump_LDADD): Likewise.
6838         * Makefile.in: Regenerated.
6839
6840 2009-11-25  Doug Kwan  <dougkwan@google.com>
6841
6842         Revert:
6843
6844         2009-11-25  Doug Kwan  <dougkwan@google.com>
6845
6846                 * arm.cc (Target_arm::Target_arm): Move method definition
6847                 outside of class definition.  Add code to handle
6848                 --target1-rel, --target1-abs and --target2= options.
6849                 (Target_arm::get_reloc_reloc_type): Change method to be
6850                 non-static and const.
6851                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6852                 New data member declaration.
6853                 (Target_arm::Scan::local, Target_arm::Scan::global,
6854                 Target_arm::Relocate::relocate,
6855                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6856                 Adjust call to Target_arm::get_real_reloc_type.
6857                 (Target_arm::get_real_reloc_type): Use command line options
6858                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6859                 * options.h (--target1-rel, --target1-abs, --target2): New
6860                 ARM-only options.
6861
6862 2009-11-25  Doug Kwan  <dougkwan@google.com>
6863
6864         * arm.cc (Target_arm::Target_arm): Move method definition outside of
6865         class definition.  Add code to handle --target1-rel, --target1-abs
6866         and --target2= options.
6867         (Target_arm::get_reloc_reloc_type): Change method to be non-static
6868         and const.
6869         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
6870         member declaration.
6871         (Target_arm::Scan::local, Target_arm::Scan::global,
6872         Target_arm::Relocate::relocate,
6873         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
6874         call to Target_arm::get_real_reloc_type.
6875         (Target_arm::get_real_reloc_type): Use command line options to
6876         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6877         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
6878         options.
6879
6880 2009-11-25  Doug Kwan  <dougkwan@google.com>
6881
6882         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
6883         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
6884         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
6885         formatting.
6886         (Arm_relocate_functions::thm_call): Replace body with a call to
6887         Arm_relocate_functions::thumb_branch_common.
6888         (Arm_relocate_functions::thm_jump24,
6889         Arm_relocate_functions::thm_xpc22): New method definitions.
6890         (Arm_relocate_functions::thumb_branch_common): New method definition.
6891         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
6892         operator.
6893         (Target_arm::Relocate::relocate): Adjust call to thm_call.
6894         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
6895
6896 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6897
6898         * Makefile.am: Build incremental-dump
6899         * Makefile.in: Regenerate.
6900         * incremental-dump.cc: New.
6901         * incremental.cc (Incremental_inputs_header_data,
6902         Incremental_inputs_entry_data): Move to incremental.h
6903         * incremental.h: (Incremental_inputs_header_data,
6904         Incremental_inputs_entry_data): Move from incremental.cc
6905
6906 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6907
6908         * incremental.cc (Incremental_inputs_header,
6909         Incremental_inputs_header_write, Incremental_inputs_entry,
6910         Incremental_inputs_entry_write): Add a typedef with the data type.
6911
6912 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6913
6914         * incremental.cc (Incremental_inputs_header,
6915         Incremental_inputs_header_write, Incremental_inputs_entry,
6916         Incremental_inputs_entry_write): Update comment about which
6917         type has the filed descriptions.
6918
6919 2009-11-15  Doug Kwan  <dougkwan@google.com>
6920
6921         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
6922         (Arm_relocate_functions::arm_branch_common): Change method defintion
6923         in class definition to a method declaration and update list of formal
6924         parameters.
6925         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
6926         Arm_relocation_functions::jump24): Adjust call to
6927         Arm_relocate_functions::arm_branch_common.  Update list of formal
6928         parameters.
6929         (Arm_relocate_functions::xpc25): New method definition.
6930         (Arm_relocate_functions::arm_branch_common): Move method defintion
6931         out from class definition.  Use stubs for mode-switching and extending
6932         branch ranges.
6933         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
6934         specially.  Change code to enable use of stubs in ARM branches.
6935
6936 2009-11-10  Doug Kwan  <dougkwan@google.com>
6937
6938         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
6939         in method declaration.
6940         (Target_arm::relocate_stub): New method declaration.
6941         (Target_arm::default_target): Change to return a pointer instead of
6942         a const reference.
6943         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
6944         Target_arm::default_target.
6945         (Arm_Relobj::do_relocate_sections): Remove options paramater in
6946         method definition.
6947         (Target_arm::relocate_section): Adjust view.
6948         (Target_arm::relocate_stub): New method definition.
6949
6950 2009-11-10  Doug Kwan  <dougkwan@google.com>
6951
6952         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
6953         a format warning.
6954         * incremental.cc (open_incremental_binary): Initialized local
6955         variables to avoid warnings.
6956         * object.cc (make_elf_object): Ditto.
6957         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
6958         a format warning.
6959
6960 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
6961
6962         PR gold/10930
6963         * testsuite/plugin_test.c: Include "config.h".
6964
6965 2009-11-09  Doug Kwan  <dougkwan@google.com>
6966
6967         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
6968         (arm_symbol_value): Remove.
6969         (Arm_relocate_functions::arm_branch_common,
6970         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
6971         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
6972         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
6973         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
6974         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
6975         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
6976         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
6977         Arm_relocate_functions::thm_mobw_abs_nc,
6978         Arm_relocate_functions::thm_mov_abs,
6979         Arm_relocate_functions::movw_prel_nc,
6980         Arm_relocate_functions::thm_movt_abs,
6981         Arm_relocate_functions::movt_prel,
6982         Arm_relocate_functions::thm_movw_prel_nc,
6983         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
6984         (Target_arm::Relocate::relocate): Only decompose address into two
6985         parts if relocation type uses the thumb-bit and pass the actual
6986         bit instead of a flag indicating that the thumb-bit is used.  Adjust
6987         calls to methods in Arm_relocate_functions for this change.
6988
6989 2009-11-08  Ian Lance Taylor  <iant@google.com>
6990
6991         PR 10925
6992         * reloc.cc: Instantiate
6993         Sized_relobj::initialize_input_to_output_maps and
6994         Sized_relobj:free_input_to_output_maps.
6995
6996 2009-11-06  Ian Lance Taylor  <iant@google.com>
6997
6998         PR 10876
6999         * defstd.cc (in_segment): Set only_if_ref true for "end".
7000
7001 2009-11-06  Doug Kwan  <dougkwan@google.com>
7002
7003         * arm.cc (class Reloc_stub): Correct a comment.
7004         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7005         (Target_arm::scan_section_for_stubs): New method declaration.
7006         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7007         Change methods from private to protected.
7008         (Target_arm::do_may_relax): New method definition.
7009         (Target_arm::do_relax, Target_arm::group_sections,
7010         Target_arm::scan_reloc_for_stub,
7011         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7012         (Target_arm::arm_input_section_map_): New data member declaration.
7013         (Target_arm::scan_reloc_for_stub,
7014         Target_arm::scan_reloc_section_for_stubs,
7015         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7016         Target_arm::do_relax): New method definitions.
7017
7018 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7019
7020         * configure.ac: Check for (struct stat)::st_mtim
7021         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7022         * config.in: Regenerate.
7023         * configure: Regenerate.
7024
7025 2009-11-05  Ian Lance Taylor  <iant@google.com>
7026
7027         PR 10910
7028         * output.cc (Output_segment::add_output_section): Add missing
7029         return statement.
7030
7031 2009-11-04  Ian Lance Taylor  <iant@google.com>
7032
7033         PR 10880
7034         * object.h (class Object): Add is_needed and set_is_needed
7035         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7036         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7037         defined in a dynamic object and referenced by a regular object,
7038         set is_needed for the dynamic object.
7039         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7040         if the file is marked with as_needed and it is not needed.
7041
7042 2009-11-04  Ian Lance Taylor  <iant@google.com>
7043
7044         PR 10887
7045         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7046         tags if data is discarded by linker script.
7047         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7048         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7049         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7050         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7051
7052 2009-11-04  Ian Lance Taylor  <iant@google.com>
7053
7054         * layout.cc (Layout::get_output_section): Add is_interp and
7055         is_dynamic_linker_section parameters.  Change all callers.
7056         (Layout::choose_output_section): Likewise.
7057         (Layout::make_output_section): Likewise.
7058         (Layout::add_output_section_data): Add is_dynamic_linker_section
7059         parameter.  Change all callers.
7060         * layout.h (class Layout): Update declarations.
7061         * output.h (class Output_section): Add is_interp, set_is_interp,
7062         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7063         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7064         generate_code_fills_at_write_ to a bitfield.
7065         * output.cc (Output_section::Output_sections): Initialize new
7066         fields.
7067         (Output_segment::add_output_section): Add do_sort parameter.
7068         Change all callers.
7069
7070 2009-11-03  Ian Lance Taylor  <iant@google.com>
7071
7072         PR 10860
7073         * options.h (class General_options): Add --warn-common.
7074         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7075         merging two common symbols.
7076         (Symbol_table::should_override): Handle --warn-common when merging
7077         a common symbol with a defined symbol.  Use report_resolve_problem
7078         for multiple definitions.
7079         (Symbol_table::report_resolve_problem): New function.
7080         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7081
7082 2009-11-03  Doug Kwan  <dougkwan@google.com>
7083
7084         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7085         stub_factory_.
7086         (Target_arm::stub_factory): New method definition.
7087         (Target_arm::new_arm_input_section,
7088         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7089         Target_arm::reloc_uses_thumb_bit): New method declarations.
7090         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7091         New type definitions.
7092         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7093         member declarations.
7094         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7095         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7096         New method definitions.
7097
7098 2009-11-03  Ian Lance Taylor  <iant@google.com>
7099
7100         * options.h (class General_options): Add --warn_constructors.
7101
7102 2009-11-03  Ian Lance Taylor  <iant@google.com>
7103
7104         PR 10893
7105         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7106         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7107
7108 2009-11-03  Ian Lance Taylor  <iant@google.com>
7109
7110         PR 10895
7111         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7112         --msgid-bugs-address.
7113         (install-pdf): New target.
7114         (install-data_yes): Look up one directory to find mkinstalldirs.
7115
7116 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7117
7118         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7119         tree.
7120
7121 2009-10-30  Doug Kwan  <dougkwan@google.com>
7122
7123         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7124
7125 2009-10-30  Doug Kwan  <dougkwan@google.com>
7126
7127         * arm.cc (Stub_addend_reader): New struct template definition
7128         and partial specializations.
7129         (Stub_addend_reader::operator()): New method definition for a
7130         partially specialized template.
7131
7132 2009-10-30  Doug Kwan  <dougkwan@google.com>
7133
7134         * arm.cc (Arm_relobj::processor_specific_flags): New method
7135         definition.
7136         (Arm_relobj::do_read_symbols): New method declaration.
7137         (Arm_relobj::processor_specific_flags_): New data member declaration.
7138         (Arm_dynobj): New class definition.
7139         (Target_arm::do_finalize_sections): Add input_objects parameter.
7140         (Target_arm::do_adjust_elf_header): New method declaration.
7141         (Target_arm::are_eabi_versions_compatible,
7142         (Target_arm::merge_processor_specific_flags): New method declaration.
7143         (Target_arm::do_make_elf_object): New overloaded method definitions
7144         and declaration.
7145         (Arm_relobj::do_read_symbols): New method definition.
7146         (Arm_dynobj::do_read_symbols): Ditto.
7147         (Target_arm::do_finalize_sections): Add input_objects parameters.
7148         Merge processor-specific flags from all input objects.
7149         (Target_arm::are_eabi_versions_compatible,
7150         Target_arm::merge_processor_specific_flags,
7151         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7152         New method definitions.
7153         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7154         Input_objects pointer type parameter.
7155         * layout.cc (Layout::finalize): Pass input objects to target's.
7156         finalize_sections function.
7157         * output.cc (Output_file_header::do_sized_write): Set ELF file
7158         header's processor-specific flags.
7159         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7160         Input_objects pointer type parameter.
7161         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7162         * target.h (Input_objects): New forward class declaration.
7163         (Target::processor_specific_flags,
7164         Target::are_processor_specific_flags_sect): New method definitions.
7165         (Target::finalize_sections): Add input_objects parameter.
7166         (Target::Target): Initialize processor_specific_flags_ and
7167         are_processor_specific_flags_set_.
7168         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7169         parameter.
7170         (Target::set_processor_specific_flags): New method definition.
7171         (Target::processor_specific_flags_,
7172         Target::are_processor_specific_flags_set_): New data member
7173         declarations.
7174         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7175         Input_objects pointer type parameter.
7176
7177 2009-10-30  Doug Kwan  <dougkwan@google.com>
7178
7179         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7180
7181 2009-10-28  Ian Lance Taylor  <iant@google.com>
7182
7183         * object.h (class Relobj): Drop options parameter from
7184         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7185         do_scan_relocs, do_relocate.  Change all callers.
7186         (class Sized_relobj): Drop options parameters from
7187         do_gc_process_relocs, do_scan_relocs, do_relocate,
7188         do_relocate_sections, relocate_sections, emit_relocs_scan,
7189         emit_relocs_scan_reltype.  Change all callers.
7190         (struct Relocate_info): Remove options field and all references to
7191         it.
7192         * reloc.h (class Read_relocs): Remove options constructor
7193         parameter and options_ field.  Change all callers.
7194         (class Gc_process_relocs, class Scan_relocs): Likewise.
7195         (class Relocate_task): Likewise.
7196         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7197         all callers.
7198         (scan_relocatable_relocs): Likewise.
7199         * target.h (class Sized_target): Remove options parameter from
7200         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7201         all callers.
7202         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7203         callers.
7204         * arm.cc: Update functions to remove options parameters.
7205         * i386.cc: Likewise.
7206         * powerpc.cc: Likewise.
7207         * sparc.cc: Likewise.
7208         * x86_64.cc: Likewise.
7209         * testsuite/testfile.cc: Likewise.
7210
7211 2009-10-28  Doug Kwan  <dougkwan@google.com>
7212
7213         * arm.cc (Arm_relobj): New class definition.
7214         (Arm_relobj::scan_sections_for_stubs,
7215         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7216         New method definitions.
7217
7218 2009-10-28  Cary Coutant  <ccoutant@google.com>
7219
7220         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7221         (Plugin::cleanup_done_): New member.
7222         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7223         (Plugin_manager::cleanup_done_): Remove.
7224         (Plugin_manager::add_input_file): Edit error message.
7225         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7226         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7227
7228 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7229
7230         * fileread.cc: (File_read::View::~View): Use the new
7231         data_ownership_ filed.
7232         (File_read::~File_read): Dispose the new whole_file_view_.
7233         (File_read::open): Mmap the whole file if needed.
7234         (File_read::open): Use whole_file_view_ instead of contents_.
7235         (File_read::find_view): Use whole_file_view_ if applicable.
7236         (File_read::do_read): Use whole_file_view_ instead of contents_.
7237         (File_read::make_view): Use whole_file_view_ instead of contents_,
7238         update File_read::View::View call.
7239         (File_read::find_or_make_view): Update File_read::View::View
7240         call.
7241         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7242         remove contents_
7243         (File_read::View::Data_ownership): New enum.
7244         (File_read::View::View): Replace bool mapped_ with Data_ownership
7245         argument.
7246         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7247         (File_read::View::data_ownership_): New field.
7248         (File_read::contents_): Remove (replaced by whole_file_view_).
7249         (File_read::whole_file_view_): New field.
7250         * options.h (class General_options): Add --keep-files-mapped.
7251
7252 2009-10-27  Cary Coutant  <ccoutant@google.com>
7253
7254         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7255         * testsuite/Makefile.am (plugin_test_5): New test case.
7256         * testsuite/Makefile.in: Regenerate.
7257
7258 2009-10-25  Doug Kwan  <dougkwan@google.com>
7259
7260         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7261         from private to protected to allow access by child class.
7262         (Sized_relobj::do_relocate_sections): New method declaration.
7263         (Sized_relobj::relocate_sections): Virtualize.
7264         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7265         Sized_relobj::relocate_sections.  Instantiate template explicitly
7266         for different target sizes and endianity.
7267
7268 2009-10-24  Doug Kwan  <dougkwan@google.com>
7269
7270         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7271         (Arm_input_section::as_arm_input_section): New method.
7272         (Arm_output_section): New class definition.
7273         (Arm_output_section::create_stub_group,
7274         Arm_output_section::group_sections): New method definitions.
7275
7276 2009-10-22  Doug Kwan  <dougkwan@google.com>
7277
7278         * arm.cc (Arm_input_section): New class definition.
7279         (Arm_input_section::init, Arm_input_section:do_write,
7280         Arm_input_section::set_final_data_size,
7281         Arm_input_section::do_reset_address_and_file_offset): New method
7282         definitions.
7283
7284 2009-10-21  Doug Kwan  <dougkwan@google.com>
7285
7286         * arm.cc (Stub_table, Arm_input_section): New forward class
7287         declarations.
7288         (Stub_table): New class defintion.
7289         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7290         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7291         New method definition.
7292
7293 2009-10-21  Doug Kwan  <dougkwan@google.com>
7294
7295         * arm.cc: Update copyright comments.
7296         (Target_arm): New forward class template declaration.
7297         (Arm_address): New type.
7298         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7299         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7300         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7301         constants.
7302         (Insn_template): Same.
7303         (DEF_STUBS): New macro.
7304         (Stub_type): New enum type.
7305         (Stub_template): New class definition.
7306         (Stub): Same.
7307         (Reloc_stub): Same.
7308         (Stub_factory): Same.
7309         (Target_arm::Target_arm): Initialize may_use_blx_ and
7310         should_force_pic_veneer_.
7311         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7312         Target_arm::should_force_pic_veneer,
7313         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7314         Target_arm::using_thumb_only, Target_arm:;default_target): New
7315         method defintions.
7316         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7317         New data member declarations.
7318         (Insn_template::size, Insn_template::alignment): New method defintions.
7319         (Stub_template::Stub_template): New method definition.
7320         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7321         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7322         (Stub_factory::Stub_factory): New method definition.
7323         * gold.h (string_hash): New template.
7324         * output.h (Input_section_specifier::hash_value): Use
7325         gold::string_hash.
7326         (Input_section_specifier::string_hash): Remove.
7327         * stringpool.cc (Stringpool_template::string_hash): Use
7328         gold::string_hash.
7329
7330 2009-10-20  Doug Kwan  <dougkwan@google.com>
7331
7332         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7333         symbols of relaxed input sections.
7334         * output.h (Output_section::find_relaxed_input_section): Make
7335         method public.
7336
7337 2009-10-16  Doug Kwan  <dougkwan@google.com>
7338
7339         * dynobj.cc (Versions::Versions): Initialize version_script_.
7340         Only insert base version symbol definition for a shared object
7341         if version script defines any version versions.
7342         (Versions::define_base_version): New method definition.
7343         (Versions::add_def): Check that base version is not needed.
7344         (Versions::add_need): Define base version lazily.
7345         * dynobj.h (Versions::define_base_version): New method declaration.
7346         (Versions::needs_base_version_): New data member declaration.
7347         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7348         (check_DATA): Add no_version_test.stdout.
7349         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7350         New make rules.
7351         * testsuite/Makefile.in: Regenerate.
7352         * testsuite/no_version_test.c: New file.
7353         * testsuite/no_version_test.sh: Ditto.
7354
7355 2009-10-16  Doug Kwan  <dougkwan@google.com>
7356
7357         * expression.cc (class Segment_start_expression): New class definition.
7358         (Segment_start_expression::value): New method definition.
7359         (script_exp_function_segment_start): Return a new
7360         Segment_start_expression.
7361         * gold/script-c.h (script_saw_segment_start_expression): New function
7362         prototype.
7363         * script-sections.cc (Script_sections::Script_sections): Initialize
7364         SAW_SEGMENT_START_EXPRESSION_ to false.
7365         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7366         and -Tbbs options to specify section addresses if given in
7367         command line and no SEGMENT_START expression is seen in a script.
7368         * script-sections.h (Script_sections::saw_segment_start_expression,
7369         Script_sections::set_saw_segment_start_expression): New method
7370         definition.
7371         (Script_sections::saw_segment_start_expression_): New data member
7372         declaration.
7373         * script.cc (script_saw_segment_start_expression): New function.
7374         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7375         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7376         script_test_7.sh and script_test_8.sh.
7377         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7378         script_test_8.stdout.
7379         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7380         (script_test_6, script_test_6.stdout, script_test_7,
7381         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7382         * Makefile.in: Regenerate.
7383         * testsuite/script_test_6.sh: New file.
7384         * testsuite/script_test_6.t: Same.
7385         * testsuite/script_test_7.sh: Same.
7386         * testsuite/script_test_7.t: Same.
7387         * testsuite/script_test_8.sh: Same.
7388
7389 2009-10-16  Doug Kwan  <dougkwan@google.com>
7390
7391         * output.cc (Output_segment::set_section_list_address): Cast
7392         expressions to unsigned long long type to avoid format warnings.
7393
7394 2009-10-15  Ian Lance Taylor  <iant@google.com>
7395
7396         * script.cc (Script_options::add_symbol_assignment): Always add a
7397         dot assignment to script_sections_.
7398         * script-sections.cc (Script_sections::add_dot_assignment):
7399         Initialize if necessary.
7400
7401         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7402         program headers with no load segment if there is a linker script.
7403
7404         * layout.cc (Layout::set_segment_offsets): Align the file offset
7405         to the segment aligment for -N or -n with no load segment.
7406         * output.cc (Output_segment::add_output_section): Don't crash if
7407         the first section is a TLS section.
7408         (Output_segment::set_section_list_addresses): Print an error
7409         message if the address moves backward in a linker script.
7410         * script-sections.cc
7411         (Output_section_element_input::set_section_addresses): Don't
7412         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7413         (Orphan_output_section::set_section_addresses): Likewise.
7414
7415 2009-10-15  Doug Kwan  <dougkwan@google.com>
7416
7417         * layout.cc (Layout::finish_dynamic_section): Generate tags
7418         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7419         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7420         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7421
7422 2009-10-14  Ian Lance Taylor  <iant@google.com>
7423
7424         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7425         fields.
7426         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7427         data_shdr fields of relinfo.
7428         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7429         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7430         R_386_TLS_LDO_32, adjust based on section flags.
7431         (Target_i386::Relocate::fix_up_ldo): Remove.
7432
7433 2009-10-13  Ian Lance Taylor  <iant@google.com>
7434
7435         Add support for -pie.
7436         * options.h (class General_options): Add -pie and
7437         --pic-executable.
7438         (General_options::output_is_position_independent): Test -pie.
7439         (General_options::output_is_executable): Return true if not shared
7440         and not relocatable.
7441         (General_options::output_is_pie): Remove.
7442         * options.cc (General_options::finalize): Reject incompatible uses
7443         of -pie.
7444         * gold.cc (queue_middle_tasks): A -pie link is not static.
7445         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7446         * symtab.cc (Symbol::final_value_is_known): Return false if
7447         output_is_position_independent.
7448         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7449         output_is_position_independent.
7450         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7451         output_is_position_independent.
7452         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7453         output_is_position_independent.
7454         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7455         two_file_pie_test.
7456         (basic_pie_test.o, basic_pie_test): New targets.
7457         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7458         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7459         (two_file_pie_test): New target.
7460         * testsuite/Makefile.in: Rebuild.
7461         * README: Remove note saying that -pie is not supported.
7462
7463 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7464
7465         * options.h (class General_options): Add -init and -fini.
7466         * layout.cc (Layout::finish_dynamic_section): Emit
7467         given init and fini functions.
7468
7469 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7470
7471         * gc.h (gc_process_relocs): Check if icf is enabled using new
7472         function.
7473         * gold.cc (queue_initial_tasks): Likewise.
7474         (queue_middle_tasks): Likewise.
7475         * object.cc (do_layout): Likewise.
7476         * symtab.cc (is_section_folded): Likewise.
7477         * main.cc (main): Likewise.
7478         * reloc.cc (Read_relocs::run): Likewise.
7479         (Sized_relobj::do_scan_relocs): Likewise.
7480         * icf.cc (is_function_ctor_or_dtor): New function.
7481         (Icf::find_identical_sections): Check if function is ctor or dtor when
7482         safe icf is chosen.
7483         * options.h (General_options::icf): Change option to be an enum.
7484         (Icf_status): New enum.
7485         (icf_enabled): New method.
7486         (icf_safe_folding): New method.
7487         (set_icf_status): New method.
7488         (icf_status_): New variable.
7489         * (options.cc) (General_options::finalize): Set icf_status_.
7490         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7491         icf_test and icf_keep_unique_test to use the --icf enum flag.
7492         * testsuite/icf_safe_test.sh: New file.
7493         * testsuite/icf_safe_test.cc: New file.
7494
7495 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7496
7497         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7498         includes to gc.h and icf.h.
7499         * arm.cc: Include gc.h.
7500         * gold.cc: Likewise.
7501         * i386.cc: Likewise.
7502         * powerpc.cc: Likewise.
7503         * sparc.cc: Likewise.
7504         * x86_64.cc: Likewise.
7505         * gc.h: Include icf.h.
7506
7507 2009-10-11  Ian Lance Taylor  <iant@google.com>
7508
7509         * plugin.cc: Include "gold.h" before other header files.
7510
7511 2009-10-10  Chris Demetriou  <cgd@google.com>
7512
7513         * options.h (Input_file_argument::Input_file_type): New enum.
7514         (Input_file_argument::is_lib_): Replace with...
7515         (Input_file_argument::type_): New member.
7516         (Input_file_argument::Input_file_argument): Take Input_file_type
7517         'type' rather than boolean 'is_lib' as second argument.
7518         (Input_file_argument::is_lib): Use type_.
7519         (Input_file_argument::is_searched_file): New function.
7520         (Input_file_argument::may_need_search): Handle is_searched_file.
7521         * options.cc (General_options::parse_library): Support -l:filename.
7522         (General_options::parse_just_symbols): Update for Input_file_argument
7523         changes.
7524         (Command_line::process): Likewise.
7525         * archive.cc (Archive::get_file_and_offset): Likewise.
7526         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7527         * script.cc (read_script_file, script_add_file): Likewise.
7528         * fileread.cc (Input_file::Input_file): Likewise.
7529         (Input_file::will_search_for): Handle is_searched_file.
7530         (Input_file::open): Likewise.
7531         * readsyms.cc (Read_symbols::get_name): Likewise.
7532         * testsuite/Makefile.am (searched_file_test): New test.
7533         * testsuite/Makefile.in: Regenerate.
7534         * testsuite/searched_file_test.cc: New file.
7535         * testsuite/searched_file_test_lib.cc: New file.
7536
7537 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7538             Ian Lance Taylor  <iant@google.com>
7539
7540         * descriptor.cc: Include <cstdio> and "binary-io.h".
7541         (Descriptors::open): Open the files in binary mode always.
7542         * script.cc (Lex::get_token): Treat \r as whitespace.
7543
7544 2009-10-09  Ian Lance Taylor  <iant@google.com>
7545
7546         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7547
7548 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7549             Ian Lance Taylor  <iant@google.com>
7550
7551         * configure.ac: Check for readv function also.
7552         * fileread.cc (readv): Define if not HAVE_READV.
7553         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7554         does not exist.
7555         * config.in: Regenerate.
7556         * configure: Regenerate.
7557
7558 2009-10-09  Doug Kwan  <dougkwan@google.com>
7559
7560         * layout.cc (Layout::make_output_section): Call target hook to make
7561         ordinary output section.
7562         (Layout::finalize): Adjust parameter list of call the
7563         Target::may_relax().
7564         * layout.h (class Layout::section_list): New method.
7565         * merge.h (Output_merge_base::entsize): Change visibility to public.
7566         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7567         New methods.
7568         (Output_merge_string::do_is_string): New method.
7569         * object.cc (Sized_relobj::do_setup): renamed from
7570         Sized_relobj::set_up.
7571         * object.h (Sized_relobj::adjust_shndx,
7572         Sized_relobj::initializ_input_to_output_maps,
7573         Sized_relobj::free_input_to_output_maps): Change visibilities to
7574         protected.
7575         (Sized_relobj::setup): Virtualize.
7576         (Sized_relobj::do_setup): New method declaration.
7577         (Sized_relobj::invalidate_section_offset,
7578         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7579         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7580         * options.cc (parse_int): New function.
7581         * options.h (parse_int): New declaration.
7582         (DEFINE_int): New macro.
7583         (stub_group_size): New option.
7584         * output.cc (Output_section::Output_section): Initialize memebers
7585         merge_section_map_, merge_section_by_properties_map_,
7586         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7587         (Output_section::add_input_section): Handled deferred code-fill
7588         generation and remove an old comment.
7589         (Output_section::add_relaxed_input_section): New method definition.
7590         (Output_section::add_merge_input_section): Use merge section by
7591         properties map to speed to search.  Update merge section maps
7592         as appropriate.
7593         (Output_section::build_relaxation_map): New method definition.
7594         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7595         Same.
7596         (Output_section::relax_input_section): Renamed to
7597         Output_section::convert_input_sections_to_relaxed_sections and change
7598         interface to take a vector of pointers to relaxed sections.
7599         (Output_section::find_merge_section,
7600         Output_section::find_relaxed_input_section): New method definitions.
7601         (Output_section::is_input_address_mapped,
7602         Output_section::output_offset, Output_section::output_address):
7603         Use output section data maps to speed up searching.
7604         (Output_section::find_starting_output_address): Add comments.
7605         (Output_section::do_write,
7606         Output_section::write_to_postprocessing_buffer): Do code-fill
7607         generation as appropriate.
7608         (Output_section::get_input_sections): Invalidate relaxed input section
7609         map.
7610         (Output_section::restore_states): Adjust type of checkpoint .
7611         Invalidate relaxed input section map.
7612         * output.h (Output_merge_base): New class declaration.
7613         (Input_section_specifier): New class defintion.
7614         (class Output_relaxed_input_section) Change base class to
7615         Output_section_data_build.
7616         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7617         base class initializer.
7618         (Output_section::add_relaxed_input_section): New method declaration.
7619         (Output_section::Input_section): Change visibility to protected.
7620         (Output_section::Input_section::relobj,
7621         Output_section::Input_section::shndx): Handle relaxed input sections.
7622         Output_section::input_sections) Change visibility to protected.  Also
7623         define overload to return a non-const pointer.
7624         (Output_section::Merge_section_properties): New class defintion.
7625         (Output_section::Merge_section_by_properties_map,
7626         Output_section::Output_section_data_by_input_section_map,
7627         Output_section::Relaxation_map): New types.
7628         (Output_section::relax_input_section): Rename method to
7629         Output_section::convert_input_sections_to_relaxed_sections and change
7630         interface to take a vector of relaxed section pointers.
7631         (Output_section::find_merge_section,
7632         Output_section::find_relaxed_input_section,
7633         Output_section::build_relaxation_map,
7634         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7635         New method declarations.
7636         (Output_section::merge_section_map_
7637         Output_section::merge_section_by_properties_map_,
7638         Output_section::relaxed_input_section_map_,
7639         Output_section::is_relaxed_input_section_map_valid_,
7640         Output_section::generate_code_fills_at_write_): New data members.
7641         * script-sections.cc
7642         (Output_section_element_input::set_section_addresses): Call
7643         current_data_size and addralign methods of relaxed input sections.
7644         (Orphan_output_section::set_section_addresses): Call current_data_size
7645         and addralign methods of relaxed input sections.
7646         * symtab.cc (Symbol_table::compute_final_value): Extract template
7647         from the body of Symbol_table::sized_finalize_symbol.
7648         (Symbol_table::sized_finalized_symbol): Call
7649         Symbol_table::compute_final_value.
7650         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7651         (Symbol_table::compute_final_value): New templated method declaration.
7652         * target.cc (Target::do_make_output_section): New method defintion.
7653         * target.h (Target::make_output_section): New method declaration.
7654         (Target::relax): Add more parameters for input objects, symbol table
7655         and layout.  Adjust call to do_relax.
7656         (Target::do_make_output_section): New method declaration.
7657         (Target::do_relax): Add parameters for input objects, symbol table
7658         and layout.
7659
7660 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7661
7662         * pread.c: Include stdio.h.
7663
7664 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7665
7666         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7667         defined.
7668
7669 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7670
7671         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7672         Change read_shndx type to unsigned int.
7673         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7674         int.
7675         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7676         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7677         Change read_shndx type to unsigned int.
7678         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7679         int.
7680         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7681         * layout.cc (Layout::create_symtab_sections): Cast the result of
7682         local_symcount * symsize to off_t in the gold_assert.
7683
7684 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7685
7686         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7687         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7688         R_ARM_BASE_ABS.
7689         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7690         (Arm_relocate_functions::thm_abs5): New function.
7691         (Arm_relocate_functions::abs12): New function.
7692         (Arm_relocate_functions::abs16): New function.
7693         (Arm_relocate_functions::base_abs): New function.
7694         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7695         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7696         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7697         R_ARM_BASE_ABS.
7698         (Scan::global): Likewise.
7699         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7700         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7701         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7702         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7703         R_ARM_BASE_ABS.
7704
7705 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7706
7707         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7708         (Arm_relocate_functions::movt_prel): New function.
7709         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7710         (Arm_relocate_functions::thm_movt_prel): New function.
7711         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7712         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7713         (Scan::global, Relocate::relocate): Likewise.
7714         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7715
7716 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7717
7718         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7719         Incremental_checker.
7720         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7721         unsigned int.
7722         (class Incremental_inputs_header): New class.
7723         (Incremental_inputs_header_writer): Edit comment.
7724         (Incremental_inputs_entry): New class.
7725         (Incremental_inputs_entry_writer): Edit comment.
7726         (Sized_incremental_binary::do_find_incremental_inputs_section):
7727         Add *strtab_shndx parameter, fill it.
7728         (Sized_incremental_binary::do_check_inputs): New method.
7729         (Incremental_checker::can_incrementally_link_output_file): Use
7730         Sized_incremental_binary::check_inputs.
7731         (Incremental_inputs::report_command_line): Save command line in
7732         command_line_.
7733         * incremental.h:
7734         (Incremental_binary::find_incremental_inputs_section): New
7735         method.
7736         (Incremental_binary::do_find_incremental_inputs_section): Add
7737         strtab_shndx parameter.
7738         (Incremental_binary::do_check_inputs): New pure virtual method.
7739         (Sized_incremental_binary::do_check_inputs): Declare.
7740         (Incremental_checker::Incremental_checker): Add incremental_inputs
7741         parameter, use it to initialize incremental_inputs_.
7742         (Incremental_checker::incremental_inputs_): New field.
7743         (Incremental_checker::command_line): New method.
7744         (Incremental_checker::inputs): New method.
7745         (Incremental_checker::command_line_): New field.
7746
7747 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7748
7749         * incremental.cc: Include <cstdarg> and "target-select.h".
7750         (vexplain_no_incremental): New function.
7751         (explain_no_incremental): New function.
7752         (Incremental_binary::error): New method.
7753         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7754         method.
7755         (make_sized_incremental_binary): New function.
7756         (open_incremental_binary): New function.
7757         (can_incrementally_link_file): Add checks if output is ELF and has
7758         inputs section.
7759         * incremental.h: Include "elfcpp_file.h" and "output.h".
7760         (Incremental_binary): New class.
7761         (Sized_incremental_binary): New class.
7762         (open_incremental_binary): Declare.
7763         * object.cc (is_elf_object): Use
7764         elfcpp::Elf_recognizer::is_elf_file.
7765         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7766         * output.h (Output_file::filesize): New method.
7767
7768 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7769
7770         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7771         New function.
7772         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7773         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7774         function.
7775         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7776         function.
7777         (Arm_relocate_functions::movw_abs_nc): New function.
7778         (Arm_relocate_functions::movt_abs): New function.
7779         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7780         (Arm_relocate_functions::thm_movt_abs): New function.
7781         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7782         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7783         (Scan::global): Likewise.
7784         (Relocate::relocate): Likewise.
7785         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7786
7787 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7788
7789         * arm.cc (Arm_relocate_functions::got_prel) New function.
7790         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7791         (Relocate::relocate): Likewise.
7792         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7793
7794 2009-10-06  Ian Lance Taylor  <iant@google.com>
7795
7796         * options.h (class General_options): Define
7797         split_stack_adjust_size parameter.
7798         * object.h (class Object): Add uses_split_stack_ and
7799         has_no_split_stack_ fields.  Add uses_split_stack and
7800         has_no_split_stack accessor functions.  Declare
7801         handle_split_stack_section.
7802         (class Reloc_symbol_changes): Define.
7803         (class Sized_relobj): Define Function_offsets.  Declare
7804         split_stack_adjust, split_stack_adjust_reltype, and
7805         find_functions.
7806         * object.cc (Object::handle_split_stack_section): New function.
7807         (Sized_relobj::do_layout): Call handle_split_stack_section.
7808         * dynobj.cc (Sized_dynobj::do_layout): Call
7809         handle_split_stack_section.
7810         * reloc.cc (Sized_relobj::relocate_sections): Call
7811         split_stack_adjust for executable sections in split_stack
7812         objects.  Pass reloc_map to relocate_section.
7813         (Sized_relobj::split_stack_adjust): New function.
7814         (Sized_relobj::split_stack_adjust_reltype): New function.
7815         (Sized_relobj::find_functions): New function.
7816         * target-reloc.h: Include "object.h".
7817         (relocate_section): Add reloc_symbol_changes parameter.  Change
7818         all callers.
7819         * target.h (class Target): Add calls_non_split method.  Declare
7820         do_calls_non_split virtual method.  Declare match_view and
7821         set_view_to_nop.
7822         * target.cc: Include "elfcpp.h".
7823         (Target::do_calls_non_split): New function.
7824         (Target::match_view): New function.
7825         (Target::set_view_to_nop): New function.
7826         * gold.cc (queue_middle_tasks): Give an error if mixing
7827         split-stack and non-split-stack objects with -r.
7828         * i386.cc (Target_i386::relocate_section): Add
7829         reloc_symbol_changes parameter.
7830         (Target_i386::do_calls_non_split): New function.
7831         * x86_64.cc (Target_x86_64::relocate_section): Add
7832         reloc_symbol_changes parameter.
7833         (Target_x86_64::do_calls_non_split): New function.
7834         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7835         parameter.
7836         * powerpc.cc (Target_powerpc::relocate_section): Add
7837         reloc_symbol_changes parameter.
7838         * sparc.cc (Target_sparc::relocate_section): Add
7839         reloc_symbol_changes parameter.
7840         * configure.ac: Call AM_CONDITIONAL for the default target.
7841         * configure: Rebuild.
7842         * testsuite/Makefile.am (TEST_AS): New variable.
7843         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
7844         (check_DATA): Add split_i386 and split_x86_64 files.
7845         (SPLIT_DEFSYMS): Define.
7846         (split_i386_[1234n].o): New targets.
7847         (split_i386_[124]): New targets.
7848         (split_i386_[1234r].stdout): New targets.
7849         (split_x86_64_[1234n].o): New targets.
7850         (split_x86_64_[124]): New targets.
7851         (split_x86_64_[1234r].stdout): New targets.
7852         (MOSTLYCLEANFILES): Add new executables.
7853         * testsuite/split_i386.sh: New file.
7854         * testsuite/split_x86_64.sh: New file.
7855         * testsuite/split_i386_1.s: New file.
7856         * testsuite/split_i386_2.s: New file.
7857         * testsuite/split_i386_3.s: New file.
7858         * testsuite/split_i386_4.s: New file.
7859         * testsuite/split_i386_n.s: New file.
7860         * testsuite/split_x86_64_1.s: New file.
7861         * testsuite/split_x86_64_2.s: New file.
7862         * testsuite/split_x86_64_3.s: New file.
7863         * testsuite/split_x86_64_4.s: New file.
7864         * testsuite/split_x86_64_n.s: New file.
7865         * testsuite/testfile.cc (Target_test): Update relocation_section
7866         function.
7867         * testsuite/Makefile.in: Rebuild.
7868
7869 2009-10-06  Ian Lance Taylor  <iant@google.com>
7870
7871         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
7872         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
7873         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
7874         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
7875         the address on ldo_addrs_.
7876         (Target_i386::Relocate::fix_up_ldo): New function.
7877
7878 2009-10-06   Rafael Espindola  <espindola@google.com>
7879
7880         * plugin.cc (add_input_library): New.
7881         (Plugin::load): Add add_input_library to tv.
7882         (Plugin_manager::add_input_file): Add the is_lib argument.
7883         (add_input_file): Update call to Plugin_manager::add_input_file.
7884         (add_input_library): New.
7885         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
7886
7887 2009-09-30  Doug Kwan  <dougkwan@google.com>
7888
7889         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
7890         symbol and call Symbol::may_need_copy_reloc to determine if
7891         a copy reloc is needed.
7892         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
7893         nocopyreloc is given in command line.
7894         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
7895         given in command line.
7896         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
7897         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
7898         of the removed Target_i386::may_need_copy_reloc.
7899         * options.h (copyreloc): New option with default value false.
7900         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7901         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
7902         instead of the removed Target_powerpc::may_need_copy_reloc.
7903         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7904         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
7905         instead of the removed Target_sparc::may_need_copy_reloc.
7906         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
7907         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
7908         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
7909         instead of the removed Target_x86_64::may_need_copy_reloc.
7910
7911 2009-09-30  Ian Lance Taylor  <iant@google.com>
7912
7913         * object.h (class Object): Remove target_ field, and target,
7914         sized_target, and set_target methods.
7915         (Object::sized_target): Remove.
7916         (class Sized_relobj): Update declarations.  Remove sized_target.
7917         * object.cc (Sized_relobj::setup): Remove target parameter.
7918         Change all callers.
7919         (Input_objects::add_object): Don't do anything with the target.
7920         (make_elf_sized_object): Add punconfigured parameter.  Change all
7921         callers.  Set or test parameter target.
7922         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
7923         Change all callers.
7924         * parameters.cc (Parameters::set_target): Change parameter type to
7925         be non-const.
7926         (Parameters::default_target): Remove.
7927         (set_parameters_target): Change parameter type to be non-const.
7928         (parameters_force_valid_target): New function.
7929         (parameters_clear_target): New function.
7930         * parameters.h (class Parameters): Update declarations.  Remove
7931         default_target method.  Add sized_target and clear_target
7932         methods.  Change target_ to be non-const.
7933         (set_parameters_target): Update declaration.
7934         (parameters_force_valid_target): Declare.
7935         (parameters_clear_target): Declare.
7936         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
7937         as NULL if we aren't searching.
7938         (Add_symbols::run): Don't check for compatible target.
7939         * fileread.cc (Input_file::open_binary): Call
7940         parameters_force_valid_target.
7941         * gold.cc (queue_middle_tasks): Likewise.
7942         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
7943         set_target on object.
7944         * dynobj.h (class Sized_dynobj): Update declarations.
7945         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
7946         make_elf_object returns NULL.
7947         (Archive::include_member): Don't check whether object target is
7948         compatible.
7949         * output.cc (Output_section::add_input_section): Get target from
7950         parameters.
7951         (Output_section::relax_input_section): Likewise.
7952         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
7953         parameters.
7954         (Sized_relobj::do_scan_relocs): Likewise.
7955         (Sized_relobj::relocate_sections): Likewise.
7956         * resolve.cc (Symbol_table::resolve): Likewise.
7957         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
7958         parameter.  Change all callers.
7959         (Symbol_table::add_from_object): Get target from parameters.
7960         (Symbol_table::add_from_relobj): Don't check object target.
7961         (Symbol_table::add_from_dynobj): Likewise.
7962         (Symbol_table::define_special_symbol): Get target from
7963         parameters.
7964         * symtab.h (class Symbol_table): Update declaration.
7965         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
7966         parameter.  Change all callers.  Clear parameter target.
7967         (Binary_test): Test target here.
7968         * testsuite/object_unittest.cc (gold_testsuite): Remove
7969         target_test_pointer parameter.  Change all callers.
7970         (Object_test): Test target here.
7971
7972 2009-09-26  Ian Lance Taylor  <iant@google.com>
7973
7974         * testsuite/initpri1.c: Don't try to use constructor priorities if
7975         compiling with gcc before 4.3.
7976
7977 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
7978
7979         * testsuite/retain_symbols_file_test.sh (check_present): Change
7980         output file name to retain_symbols_file_test.stdout.
7981         (check_absent): Likewise.
7982
7983 2009-09-18  Craig Silverstein  <csilvers@google.com>
7984
7985         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
7986         * options.cc: Include <cerrno> and <fstream>.
7987         (General_options::finalize): Parse -retain-symbols-file tag.
7988         * options.h: New flag.
7989         (General_options): New method should_retain_symbol, new
7990         variable symbols_to_retain.
7991         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
7992         should_retain_symbol map.
7993         * testsuite/Makefile.am (retain_symbols_file_test): New test.
7994         * testsuite/Makefile.in: Regenerate.
7995         * testsuite/retain_symbols_file_test.sh: New file.
7996
7997 2009-09-18  Nick Clifton  <nickc@redhat.com>
7998
7999         * po/es.po: Updated Spanish translation.
8000
8001 2009-09-17  Doug Kwan  <dougkwan@google.com>
8002
8003         * debug.h (DEBUG_RELAXATION): New constant.
8004         (DEBUG_ALL): Add DEBUG_RELAXATION.
8005         (debug_string_to_enum): Add relaxation debug option.
8006         * layout.cc
8007         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8008         Layout::Relaxation_debug_check::read_sections,
8009         Layout::Relaxation_debug_check::read_sections): New method definitions.
8010         (Layout::Layout): Initialize data members
8011         record_output_section_data_from_scrips_,
8012         script_output_section_data_list_ and relaxation_debug_check_.
8013         (Layout::save_segments, Layout::restore_segments,
8014         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8015         Layout::relaxation_loop_body): New method definitions.
8016         (Layout::finalize): Support relaxation.  Move section layout code to
8017         Layout::relaxation_loop_body.
8018         (Layout::set_asection_address_from_script): Move code for orphan
8019         section placement out.
8020         (Layout::place_orphan_sections_in_script): New method definition.
8021         * layout.h (Output_segment_headers, Output_file_header):
8022         New forward class declarations.
8023         (Layout::~Layout): Define.
8024         (Layout::new_output_section_data_from_script): New method definition.
8025         (Layout::place_orphan_sections_in_script): New method declaration.
8026         (Layout::Segment_states): New type declaration.
8027         (Layout::save_segments, Layout::restore_segments,
8028         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8029         Layout::relaxation_loop_body): New method declarations.
8030         (Layout::Output_section_data_list): New type declaration.
8031         (Layout::Relaxation_debug_check): New class definition.
8032         (Layout::record_output_section_data_from_script_,
8033         Layout::script_output_section_data_list_, Layout::segment_states_,
8034         Layout::relaxation_debug_check_): New data members.
8035         * output.cc: (Output_section_headers::do_size): New method definition.
8036         (Output_section_headers::Output_section_headers): Move size
8037         computation to Output_section_headers::do_size.
8038         (Output_segment_headers::do_size): New method definition.
8039         (Output_file_header::Output_file_header): Move size computation to
8040         Output_file_header::do_size and call it.
8041         (Output_file_header::do_size): New method definition.
8042         (Output_data_group::Output_data_group): Adjust call to
8043         Output_section_data.
8044         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8045         (Output_symtab_xindex::do_write): Add array bound check.
8046         (Output_section::Input_section::print_to_mapfile): Handle
8047         RELAXED_INPUT_SECTION_CODE.
8048         (Output_section::Output_section): Initialize data member checkpoint_.
8049         (Output_section::~Output_section): Delete checkpoint object pointed
8050         by checkpoint_.
8051         (Output_section::add_input_section): Always add an Input_section if
8052         relaxing.
8053         (Output_section::add_merge_input_section): Add assert.
8054         (Output_section::relax_input_section): New method definition.
8055         (Output_section::set_final_data_size): Set load address to zero for
8056         an unallocated section.
8057         (Output_section::do_address_and_file_offset_have_reset_values):
8058         New method definition.
8059         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8060         Handle relaxed input section.
8061         (Output_section::sort_attached_input_sections): Checkpoint input
8062         section list lazily.
8063         (Output_section::get_input_sections): Change type of input_sections to
8064         list of Simple_input_section pointers.  Checkpoint input section list
8065         lazily.  Also handle relaxed input sections.
8066         (Output_section::add_input_section_for_script): Take a reference to
8067         a Simple_input_section object instead of Relobj pointer and section
8068         index as parameter.  Handle relaxed input sections.
8069         (Output_section::save_states, Output_section::restore_states): New
8070         method definitions.
8071         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8072         (Output_data::is_data_size_fixed): New method definition.
8073         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8074         if it is fixed.
8075         (Output_data::address_and_file_offset_have_reset_values): New method
8076         definition.
8077         (Output_data::do_address_and_file_offset_have_reset_values): New method
8078         definition.
8079         (Output_data::set_data_size): Check that data size is not fixed.
8080         (Output_data::fix_data_size): New method definition.
8081         (Output_data::is_data_size_fixed_): New data member.
8082         (Output_section_headers::set_final_data_size): New method definition.
8083         (Output_section_headers::do_size): New method declaration.
8084         (Output_segment_headers::set_final_data_size): New method definition.
8085         (Output_segment_headers::do_size): New method declaration.
8086         (Output_file_header::set_final_data_size)::New method definition.
8087         (Output_file_header::do_size)::New method declaration.
8088         (Output_section_data::Output_section_data): Add new parameter
8089         is_data_size_fixed and use it to fix data size.
8090         (Output_data_const::Output_data_const): Adjust call to base class
8091         constructor and fix data size.
8092         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8093         base class constructor and fix data size.
8094         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8095         base class constructor and fix data size.
8096         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8097         class constructor and fix data size.
8098         (Output_data_group::set_final_data_size): New method definition.
8099         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8100         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8101         class constructor and fix data size.
8102         (Output_relaxed_input_section): New class definition.
8103         (Output_section::Simple_input_section): New class definition.
8104         (Output_section::get_input_sections): Adjust parameter list.
8105         (Output_section::add_input_section_for_script): Same.
8106         (Output_section::save_states, Output_section::restore_states,
8107         Output_section::do_address_and_file_offset_have_reset_values,
8108         (Output_section::Input_section::Input_section): Handle
8109         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8110         Output_relaxed_input_section.
8111         (Output_section::Input_section::is_input_section,
8112         Output_section::Input_section::set_output_section): Handle relaxed
8113         input section.
8114         (Output_section::Input_section::is_relaxed_input_section,
8115         Output_section::Input_section::output_section_data,
8116         Output_section::Input_section::relaxed_input_section): New method
8117         definitions.
8118         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8119         value.
8120         (Output_section::Input_section::u1_): Update comments.
8121         (Output_section::Input_section::u2_): Add new union member poris.
8122         (Output_section::Checkpoint_output_section): New classs definition.
8123         (Output_section::relax_input_section): New method declaration.
8124         (Output_section::checkpoint_): New data member.
8125         (Output_segment): Update comments.
8126         (Output_segment::Output_segment): Un-privatize copy constructor.
8127         (Output_segment::operator=): Un-privatize.
8128         * script-sections.cc (Output_section_element::Input_section_list):
8129         Change element type to Output_section::Simple_input_section.
8130         (Output_section_element_dot_assignment::set_section_addresses):
8131         Register output section data for relaxation clean up.
8132         (Output_data_exression::Output_data_expression): Adjust call to base
8133         constructor to fix data size.
8134         (Output_section_element_data::set_section_addresses): Register
8135         Output_data_expression object for relaxation clean up.
8136         (struct Input_section_info): Replace Relobj pointer and section index
8137         pair with Output_section::Simple_input_section and Convert struct to a
8138         class.
8139         (Input_section_sorter::operator()): Adjust access to
8140         Input_section_info data member to use accessors.
8141         (Output_section_element_input::set_section_addresses): Use layout
8142         parameter.  Adjust code to use Output_section::Simple_input_section
8143         and Input_secction_info classes.  Register filler for relaxation
8144         clean up.
8145         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8146         and section index pair with Output_section::Simple_input_section
8147         class.  Adjust code accordingly.
8148         (Phdrs_element::release_segment): New method definition.
8149         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8150         segment list.
8151         (Script_sections::release_segments): New method definition.
8152         * gold/script-sections.h (Script_sections::release_segments): New
8153         method declaration.
8154         * gold/target.h (Target::may_relax, Target::relax,
8155         Target::do_may_relax, Target::do_relax): New method definitions.
8156
8157 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8158
8159         * arm.cc (has_signed_unsigned_overflow): New function.
8160         (Arm_relocate_functions::abs8): New function.
8161         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8162         (Target_arm::Scan::global): Likewise.
8163         (Target_arm::relocate::relocate): Likewise.
8164         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8165         Likewise.
8166
8167 2009-09-16  Cary Coutant  <ccoutant@google.com>
8168
8169         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8170         * testsuite/Makefile.in: Regenerate.
8171
8172 2009-09-11  Nick Clifton  <nickc@redhat.com>
8173
8174         * po/gold.pot: Updated by the Translation project.
8175
8176 2009-09-08  Cary Coutant  <ccoutant@google.com>
8177
8178         * output.cc (Output_file::open): Add execute permission to empty file.
8179         * testsuite/Makefile.am (permission_test): New test.
8180         * testsuite/Makefile.in: Regenerate.
8181
8182 2009-09-02  Ian Lance Taylor  <iant@google.com>
8183
8184         * output.cc (Output_file::resize): Call map_no_anonymous rather
8185         than map.
8186
8187 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8188
8189         * gold.cc: Include "incremental.h".
8190         (queue_initial_tasks): Call Incremental_checker methods.
8191         * incremental.cc: Include "output.h".
8192         (Incremental_checker::can_incrementally_link_output_file): New
8193         method.
8194         * incremental.h (Incremental_checker): New class.
8195
8196         * output.cc (Output_file::open_for_modification): New method.
8197         (Output_file::map_anonymous): Changed return type to bool.  Record
8198         map in base_ field.
8199         (Output_file::map_no_anonymous): New method, broken out of map.
8200         (Output_file::map): Use map_no_anonymous and map_anonymous.
8201         * output.h (class Output_file): Update declarations.
8202
8203 2009-08-24  Cary Coutant  <ccoutant@google.com>
8204
8205         * options.h (Command_line::Pre_options): New class.
8206         (Command_line::pre_options): New member.
8207         * options.cc (gold::options::ready_to_register): New variable.
8208         (One_option::register_option): Do nothing if not registering options.
8209         Assert if same short option registered twice.
8210         (General_options::General_options): Turn off option registration when
8211         done constructing.
8212         (Command_line::Pre_options::Pre_options): New constructor.
8213
8214 2009-08-24  Cary Coutant  <ccoutant@google.com>
8215
8216         * options.h (General_options::no_keep_memory): Remove incorrect
8217         short option.
8218
8219 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8220
8221         * Makefile.am (am__skiplex, am__skipyacc): New.
8222         * Makefile.in: Regenerate.
8223
8224 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8225
8226         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8227         (INCLUDES): ... this.
8228         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8229         (AM_CPPFLAGS): Renamed from ...
8230         (INCLUDE): ... this.
8231         * Makefile.in, testsuite/Makefile.in: Regenerate.
8232
8233         * Makefile.in: Regenerate.
8234         * aclocal.m4: Likewise.
8235         * config.in: Likewise.
8236         * configure: Likewise.
8237         * testsuite/Makefile.in: Likewise.
8238
8239         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8240         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8241         * Makefile.in: Regenerate.
8242         * testsuite/Makefile.in: Regenerate.
8243
8244 2009-08-19  Cary Coutant  <ccoutant@google.com>
8245
8246         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8247         symbols in shared libraries overridden by hidden or internal symbols
8248         in the main program.
8249
8250 2009-08-19  Chris Demetriou  <cgd@google.com>
8251
8252         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8253         checking source file names in error messages.
8254
8255 2009-08-18  Doug Kwan  <dougkwan@google.com>
8256
8257         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8258         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8259         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8260         an elfcpp::Ehdr as parameter.
8261         * object.cc (Object::set_target): Remove the version that looks up
8262         a target and sets it.
8263         (Sized_relobj::setup): Take a Target object instead of
8264         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8265         (make_elf_sized_object): Find target and ask target to
8266         make an ELF object.
8267         * object.h: (Object::set_target): Remove the version that looks up
8268         a target and sets it.
8269         (Sized_relobj::setup): Take a Target object instead of
8270         an elfcpp:Ehdr as parameter.
8271         * target.cc: Include dynobj.h.
8272         (Target::do_make_elf_object_implementation): New.
8273         (Target::do_make_elf_object): New.
8274         * target.h (Target::make_elf_object): New template declaration.
8275         (Target::do_make_elf_object): New method declarations.
8276         (Target::do_make_elf_object_implementation): New template declaration.
8277
8278 2009-08-14  Ian Lance Taylor  <iant@google.com>
8279
8280         * gold.h (FUNCTION_NAME): Define.
8281         (gold_unreachable): Use FUNCTION_NAME.
8282
8283 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8284
8285         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8286         symbol in the --keep-unique list is not found.
8287
8288 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8289
8290         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8291         been maked as --keep-unique.
8292         (Icf::unfold_section): New function.
8293         * icf.h (Icf::unfold_section): New function.
8294         * options.h (General_options::keep_unique): New option.
8295         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8296         * testsuite/Makefile.in: Regenerate.
8297         * testsuite/icf_keep_unique_test.sh: New file.
8298         * testsuite/icf_keep_unique_test.cc: New file.
8299
8300 2009-08-12  Cary Coutant  <ccoutant@google.com>
8301
8302         PR 10471
8303         * resolve.cc (Symbol_table::resolve): Check for references from
8304         dynamic objects to hidden and internal symbols.
8305         * testsuite/Makefile.am (hidden_test.sh): New test.
8306         * testsuite/Makefile.in: Regenerate.
8307         * testsuite/hidden_test.sh: New script.
8308         * testsuite/hidden_test_1.c: New test source.
8309         * testsuite/hidden_test_main.c: New test source.
8310
8311 2009-08-11  Doug Kwan  <dougkwan@google.com>
8312
8313         * arm.cc: Update comments.
8314         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8315         segment to locate the .ARM.exidx section if present.
8316
8317 2009-08-09  Doug Kwan  <dougkwan@google.com>
8318
8319         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8320         patch.
8321
8322 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8323         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8324         compiler warnings.
8325
8326 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8327
8328         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8329         valid tls_segment only for non-debug-section relocations.
8330         * testsuite/Makefile.am: Add gc_tls_test.
8331         * testsuite/Makefile.in: Regenerate.
8332         * testsuite/gc_tls_test.cc: New file.
8333         * testsuite/gc_tls_test.sh: New file.
8334
8335 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8336
8337         * icf.cc: New file.
8338         * icf.h: New file.
8339         * Makefile.am (CCFILES): Add icf.cc.
8340         (HFILES): Add icf.h
8341         * Makefile.in: Regenerate.
8342         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8343         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8344         section, symbol and addend information for the relocs.
8345         * gold.cc (queue_middle_tasks): Call identical code folding.
8346         * gold.h: Add defines for multimap.
8347         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8348         to the call of finalize_local_symbols.
8349         * main.cc (main): Create object of class Icf.
8350         * object.cc (Sized_relobj::do_layout): Allow this function to be
8351         called twice during icf.
8352         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8353         to sections marked as identical by icf.
8354         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8355         when available.
8356         (Sized_relobj::do_section_entsize): New function.
8357         * object.h (Object::section_entsize): New function.
8358         (Object::do_section_entsize): New pure virtual function.
8359         (Relobj::finalize_local_symbols): Add new parameter.
8360         (Relobj::do_section_entsize): New function.
8361         * options.h (General_options::icf): New option.
8362         (General_options::icf_iterations): New option.
8363         (General_options::print_icf_sections): New option.
8364         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8365         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8366         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8367         icf.
8368         * symtab.cc (Symbol_table::is_section_folded): New function.
8369         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8370         to sections marked as identical by icf.
8371         * symtab.h (Symbol_table::set_icf): New function.
8372         (Symbol_table::icf): New function.
8373         (Symbol_table::is_section_folded): New function.
8374         (Symbol_table::icf_): New data member.
8375         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8376         * testsuite/Makefile.am: Add commands to build icf_test.
8377         * testsuite/Makefile.in: Regenerate.
8378         * testsuite/icf_test.sh: New file.
8379         * testsuite/icf_test.cc: New file.
8380
8381 2009-07-24  Chris Demetriou  <cgd@google.com>
8382
8383         * layout.cc (is_compressible_debug_section): Fix incorrect
8384         comment about compressed section names.
8385
8386 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8387
8388         PR 10419
8389         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8390
8391 2009-07-16  Ian Lance Taylor  <iant@google.com>
8392
8393         PR 10400
8394         * layout.h: #include <map>.
8395         (class Kept_section): Change from struct to class.  Add accessors
8396         and setters.  Add section size to Comdat_group mapping.  Change
8397         Comdat_group to std::map.  Add is_comdat_ field.  Add
8398         linkonce_size field in union.
8399         (class Layout): Update declaration of find_or_add_kept_section.
8400         Don't declare find_kept_object.
8401         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8402         parameter.  Add object, shndx, is_comdat, and is_group_name
8403         parameters.  Change all callers.  Adjust for new Kept_section.
8404         (Layout::find_kept_object): Remove.
8405         * object.cc (Sized_relobj::include_section_group): Update use of
8406         Kept_section.  Rename secnum to shndx.  Only record
8407         Kept_comdat_section if sections are the same size.
8408         (Sized_relobj::include_linkonce_section): Update use of
8409         Kept_section.  Only record Kept_comdat_section if sections are the
8410         same size.  Set size of linkonce section.
8411         (Sized_relobj::map_to_kept_section): Update call to
8412         get_kept_comdat_section.
8413         * object.h (class Sized_relobj): Rename fields in
8414         Kept_comdat_section to drop trailing underscores; change object
8415         field to Relobj*.  Change Kept_comdat_section_table to store
8416         struct rather than pointer.
8417         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8418         Add kept_object and kept_shndx parameters.  Change all callers.
8419         (Sized_relobj::get_kept_comdat_section): Change return type to
8420         bool.  Add kept_object and kept_shndx parameters.  Change all
8421         callers.
8422         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8423         Layout::find_or_add_kept_section.
8424
8425 2009-07-09  Ian Lance Taylor  <iant@google.com>
8426
8427         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8428         Reserve space in the hash table.
8429
8430 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8431
8432         * fileread.cc (File_read::get_mtime): New method.
8433         * fileread.h (Timespec): New structure.
8434         (File_read::get_mtime): New method.
8435         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8436         Renamed from timestamp_nsec.
8437         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8438         Elf_Xword.
8439         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8440         timestamp_nsec.
8441         (Incremental_inputs::report_archive): Save mtime; style fix.
8442         (Incremental_inputs::report_obejct): Save mtime; style fix.
8443         (Incremental_inputs::report_script): Save mtime; style fix.
8444         (Incremental_inputs::finalize_inputs): Style fix.
8445         (Incremental_inputs::finalize): Style fix.
8446         (Incremental_inputs::create_input_section_data): Store inputs
8447         mtime.
8448         * incremental.h (Incremental_inputs::report_script): Add mtime
8449         argument.
8450         (Incremental_inputs::Input_info::Input_info): Intialize only one
8451         union member.
8452         (Incremental_inputs::Input_info::archive): Move to nameless
8453         union.
8454         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8455         (Incremental_inputs::Input_info::script): Move to nameless union.
8456         (Incremental_inputs::mtime): New field.
8457         * script.cc (read_input_script): Pass file mtime to
8458         Incremental_input.
8459         * script.h (Script_info::inputs): Style fix.
8460
8461 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8462
8463         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8464         instead of 32.
8465
8466 2009-06-24  Ian Lance Taylor  <iant@google.com>
8467
8468         PR 10156
8469         * layout.cc (Layout::choose_output_section): If we find an
8470         existing section, update the flags.
8471         (Layout::create_notes): New function, broken out of
8472         Layout::finalize.
8473         (Layout::finalize): Don't create note sections.
8474         (Layout::create_note): Don't crash if linker script discards
8475         section.
8476         (Layout::create_gold_note): Likewise.
8477         (Layout::create_build_id): Likewise.  Don't set
8478         after_input_sections on the section.
8479         (Layout::create_executable_stack_info): Remove target parameter.
8480         Change caller.
8481         * layout.h (class Layout): Declare create_notes.  Update
8482         declaration of create_executable_stack_info.
8483         * gold.cc (queue_middle_tasks): Call create_notes.
8484         * output.cc (Output_section::update_flags_for_input_section): Move
8485         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8486         invalid.
8487         * output.h (Output_data::mark_address_invalid): New function.
8488         (class Output_section): Only declare, not define,
8489         update_flags_for_input_section.  Remove set_flags.
8490
8491 2009-06-24  Ian Lance Taylor  <iant@google.com>
8492
8493         * script-sections.cc (Output_section_definition::
8494         set_section_addresses): Rename shadowing local load_address to
8495         laddr.
8496
8497 2009-06-24  Ian Lance Taylor  <iant@google.com>
8498
8499         PR 10244
8500         * reloc.cc (relocate_sections): Skip empty relocation sections.
8501
8502 2009-06-23  Ian Lance Taylor  <iant@google.com>
8503
8504         PR 10156
8505         * layout.cc (Layout::create_note): Use choose_output_section
8506         rather than make_output_section.
8507
8508 2009-06-23  Ian Lance Taylor  <iant@google.com>
8509
8510         PR 10237
8511         * options.cc (General_options::parse_V): Set printed_version_.
8512         (General_options::General_options): Initialize printed_version_.
8513         * options.h (class General_options): Add printed_version_ field.
8514         * gold.cc (queue_initial_tasks): If there are no input files,
8515         don't give a fatal error if we printed the version information.
8516         (queue_middle_tasks): If using -r with a shared object, give a
8517         fatal error rather than an ordinary error.
8518
8519 2009-06-23  Ian Lance Taylor  <iant@google.com>
8520
8521         PR 10219
8522         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8523         (Layout::make_output_section): Set have_stabstr_section_ if we see
8524         a .stab*str section.
8525         (Layout::finalize): Call link_stabs_sections.
8526         (Layout::link_stabs_sections): New file.
8527         * layout.h (class Layout): Add have_stabstr_section_ field.
8528         Declare link_stabs_sections.
8529
8530 2009-06-23  Doug Kwan  <dougkwan@google.com>
8531
8532         * Makefile.am (libgold_a_LIBADD): New.
8533         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8534         * Makefile.in: Regenerate.
8535         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8536         * configure: Regenerate.
8537         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8538         * fileread.cc: Include sys/state.h
8539         * gold.h: Declare memmem and strndup if found missing.
8540         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8541
8542 2009-06-23  Ian Lance Taylor  <iant@google.com>
8543
8544         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8545         * configure: Rebuild.
8546
8547 2009-06-23  Ian Lance Taylor  <iant@google.com>
8548
8549         PR 10147
8550         * object.cc (Object::section_contents): Don't try to get a view if
8551         the section has length zero.
8552         (Object::handle_gnu_warning_section): If the section is empty, use
8553         the name of the section as the warning.
8554
8555 2009-06-23  Ian Lance Taylor  <iant@google.com>
8556
8557         PR 10133
8558         * stringpool.h (class Stringpool_template): Add optimize_ field.
8559         (Stringpool_template::set_optimize): New function.
8560         * stringpool.cc (Stringpool_template::Stringpool_template):
8561         Initialize optimize_ field.
8562         (Stringpool_template::set_string_offsets): Test local optimize
8563         fild rather than parameter.
8564         * layout.cc (Layout::Layout): Call set_optimize on the section
8565         name stringpool.
8566
8567 2009-06-22  Ian Lance Taylor  <iant@google.com>
8568
8569         PR 10030
8570         * yyscript.y: Parse TARGET.
8571         * script.cc (script_set_target): New function.
8572         * script-c.h (script_set_target): Declare.
8573         * options.cc (General_options::string_to_object_format): Rename
8574         from string_to_object_format in anonymous namespace.  Change
8575         callers.
8576         * options.h (class General_options): Declare
8577         string_to_object_format.
8578
8579 2009-06-22  Ian Lance Taylor  <iant@google.com>
8580
8581         * script-sections.cc (Script_sections::create_segments): Don't put
8582         program headers in a PT_LOAD segment if -n or -N.
8583
8584 2009-06-22  Ian Lance Taylor  <iant@google.com>
8585
8586         PR 10141
8587         * options.h (class General_options): Add -z lazy and -z now.  Sort
8588         -z options into alphabetical order.
8589         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8590
8591 2009-06-21  Ian Lance Taylor  <iant@google.com>
8592
8593         * layout.cc (Layout::make_output_section): Call
8594         Target::new_output_section.
8595         (Layout::attach_allocated_section_to_segment): Put large section
8596         sections in a separate load segment with the large segment flag
8597         set.
8598         (Layout::segment_precedes): Sort large data segments after other
8599         load segments.
8600         (align_file_offset): New static function.
8601         (Layout::set_segment_offsets): Use align_file_offset.
8602         * output.h (class Output_section): Add is_small_section_ and
8603         is_large_section_ fields.
8604         (Output_section::is_small_section): New function.
8605         (Output_section::set_is_small_section):  New function.
8606         (Output_section::is_large_section): New function.
8607         (Output_section::set_is_large_section): New function.
8608         (Output_section::is_large_data_section): New function.
8609         (class Output_segment): Add is_large_data_segment_ field.
8610         (Output_segment::is_large_data_segment): New function.
8611         (Output_segment::set_is_large_data_segment): New function.
8612         * output.cc (Output_section::Output_section): Initialize new
8613         fields.
8614         (Output_segment::Output_segment): Likewise.
8615         (Output_segment::add_output_section): Add assertion that large
8616         data sections always go in large data segments.  Force small data
8617         sections to the end of the list of data sections.  Force small BSS
8618         sections to the start of the list of BSS sections.  For large BSS
8619         sections to the end of the list of BSS sections.
8620         * symtab.h (class Symbol): Declare is_common_shndx.
8621         (Symbol::is_defined): Check Symbol::is_common_shndx.
8622         (Symbol::is_common): Likewise.
8623         (class Symbol_table): Define enum Commons_section_type.  Update
8624         declarations.  Add small_commons_ and large_commons_ fields.
8625         * symtab.cc (Symbol::is_common_shndx): New function.
8626         (Symbol_table::Symbol_table): Initialize new fields.
8627         (Symbol_table::add_from_object): Put small and large common
8628         symbols in the right list.
8629         (Symbol_table::sized_finalized_symbol): Check
8630         Symbol::is_common_shndx.
8631         (Symbol_table::sized_write_globals): Likewise.
8632         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8633         common symbol lists.  Don't call do_allocate_commons_list if the
8634         list is empty.
8635         (Symbol_table::do_allocate_commons_list): Remove is_tls
8636         parameter.  Add comons_section_type parameter.  Change all
8637         callers.  Handle small and large common symbols.
8638         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8639         Symbol::is_common_shndx.
8640         * resolve.cc (symbol_to_bits): Likewise.
8641         * target.h (Target::small_common_shndx): New function.
8642         (Target::small_common_section_flags): New function.
8643         (Target::large_common_shndx): New function.
8644         (Target::large_common_section_flags): New function.
8645         (Target::new_output_section): New function.
8646         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8647         small_common_section_flags, and large_common_section_flags
8648         fields.
8649         (Target::do_new_output_section): New virtual function.
8650         * arm.cc (Target_arm::arm_info): Initialize new fields.
8651         * i386.cc (Target_i386::i386_info): Likewise.
8652         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8653         Likewise.
8654         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8655         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8656         (Target_x86_64::do_new_output_section): New function.
8657         * configure.ac: Define conditional MCMODEL_MEDIUM.
8658         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8659         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8660         (large_LDFLAGS): Define.
8661         * testsuite/large.c: New file.
8662         * testsuite/testfile.cc (Target_test::test_target_info):
8663         Initialize new fields.
8664         * configure, testsuite/Makefile.in: Rebuild.
8665
8666 2009-06-05  Doug Kwan  <dougkwan@google.com>
8667
8668         * Makefile.am (CCFILES): Add target.cc.
8669         * Makefile.in: Regenerate.
8670         * i386.cc (class Target_i386): Define new virtual method to
8671         override do_is_local_label_name in parent.
8672         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8673         local symbols if --discard-locals or -X is given.
8674         * options.h (class General_options): Declare new options
8675         '--discard-locals' and '-X' for discarding locals.
8676         * target.h (class Target): Define new methods is_local_label_name.
8677         Declare new virtual method do_is_local_label_name.
8678         * target.cc: New file.
8679         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8680         (check_SCRIPTS): Add discard_locals_test.sh.
8681         (check_DATA): Add discard_local_tests.syms.
8682         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8683         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8684         * testsuite/Makefile.in: Regenerate.
8685         * testsuite/discard_locals_test.c: New file.
8686         * testsuite/discard_locals_test.sh: Same.
8687
8688 2009-06-05  Doug Kwan  <dougkwan@google.com>
8689
8690         * object.cc (Sized_relobj::Sized_relobj): Initialize
8691         discarded_eh_frame_shndx_ to -1U.
8692         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8693         section.
8694         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8695         a discarded .eh_frame section.
8696         (Sized_relobj::do_finalize_local_symbols): Ditto.
8697         * object.h (class Sized_relobj): Declare new member
8698         discarded_eh_frame_shndx_.
8699         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8700         (local_labels_test.o, local_labels_test): New rules.
8701         * testsuite/Makefile.in: Regenerate.
8702
8703 2009-06-04  Doug Kwan  <dougkwan@google.com>
8704
8705         * layout.cc (Layout::section_name_mapping): Add mapping for
8706         special ARM sections.
8707
8708 2009-06-03  Doug Kwan  <dougkwan@google.com>
8709
8710         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8711         (utils::has_overflow): Same.
8712
8713 2009-06-03  Ian Lance Taylor  <iant@google.com>
8714
8715         * layout.cc (Layout::section_name_mapping): New array, replacing
8716         Layout::linkonce_mapping.
8717         (Layout::section_name_mapping_count): New variable, replacing
8718         Layout::linkonce_mapping_count.
8719         (Layout::linkonce_output_name): Remove.
8720         (Layout::output_section_name): Rewrite.
8721         * layout.h (class Layout): Rename Linkonce_mapping to
8722         Section_name_mapping, linkonce_mapping to section_name_mapping,
8723         linkonce_mapping_count to section_name_mapping_count.  Don't
8724         declare linkonce_output_name.
8725
8726 2009-06-03  Doug Kwan  <dougkwan@google.com>
8727
8728         * gold/arm.cc (namespace utils): New.
8729         (Target_arm::reloc_is_non_pic): Define new method.
8730         (class Arm_relocate_functions): New.
8731         (Target_arm::Relocate::relocate): Handle relocation types used by
8732         Android.
8733
8734 2009-06-03  Ian Lance Taylor  <iant@google.com>
8735
8736         * arm.cc (Target_arm::scan::global): Use || instead of |.
8737
8738 2009-06-02  Doug Kwan  <dougkwan@google.com>
8739
8740         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8741         issued_non_pic_error_.
8742         (class Target_arm::Scan): Declare new method check_non_pic.
8743         Define new method symbol_needs_plt_entry.
8744         Declare new data member issued_non_pic_error_.
8745         (class Target_arm::Relocate): Declare new method
8746         should_apply_static_reloc.
8747         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8748         (Target_arm::Scan::check_non_pic): Define new method.
8749         (Target_arm::Scan::local): Handle a small subset of reloc types used
8750         by Android.
8751         (Target_arm::Scan::local): Same.
8752         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8753
8754 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
8755
8756         * incremental.cc (Incremental_inputs::report_command_line): Filter
8757         out --incremental-* options.
8758
8759 2009-05-29  Doug Kwan  <dougkwan@google.com>
8760
8761         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8762         template class.
8763         (class Target_arm): Update comment.
8764         (Target_arm::Target_arm): Initialize new data members GOT_,
8765         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8766         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8767         and Target_arm::rel_dyn_section.
8768         Declare new_enum Target_arm::Got_type.
8769         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8770         and DYNBSS_.
8771         Update commments for member do_dynsym_value.
8772         (Target_arm::got_size, Target_arm::plt_section,
8773         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8774         new methods inside class defintion.
8775         (Target_arm::got_section): Define new method.
8776         (Target_arm::rel_dyn_section): Same.
8777         (Output_data_plt_arm): New template class.
8778         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8779         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8780         (Output_data_plt_arm::add_entry): Same.
8781         (Output_data_plt_arm::first_plt_entry): Define new
8782         static data member for PLT instruction template.
8783         (Output_data_plt_arm::plt_entry): Same.
8784         (Output_data_plt_arm::do_write): Define new method.
8785         (Target_arm::make_plt_entry): Same.
8786         (Target_arm::do_finalize_sections): Same.
8787         (Target_arm::do_dynsym_value): Same.
8788
8789 2009-05-28  Doug Kwan  <dougkwan@google.com>
8790
8791         * Makefile.am (TARGETSOURCES): Add arm.cc.
8792         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8793         * Makefile.in: Regenerate.
8794         * arm.cc: New file.
8795         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8796
8797 2009-05-26  Doug Kwan  <dougkwan@google.com>
8798
8799         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8800         (General_options::check_excluded_libs): Strip off directories in
8801         archive name before matching like GNU ld does.
8802         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8803         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8804         (exclude_libs_test_LDFLAGS): Add linker option
8805         -Wl,--exclude-libs,libexclude_libs_test_3
8806         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8807         an explicit archive without using -l.
8808         (alt/libexclude_libs_test_3.a): New make rule.
8809         * testsuite/Makefile.in: Regenerate.
8810         * testsuite/exclude_libs_test.c : Declare lib3_default().
8811         (main): Call it.
8812         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8813         * exclude_libs_test_3.c: New file.
8814
8815 2009-05-26  Nick Clifton  <nickc@redhat.com>
8816
8817         * po/id.po: New Indonesian translation.
8818         * po/gold.pot: Updated template file.
8819
8820 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
8821
8822         * testsuite/Makefile.am: Add -ffunction-sections to compile
8823         gc_comdat_test files.  Add -Wl,--gc-sections to build
8824         gc_comdat_test.
8825         * testsuite/Makefile.in: Regenerate.
8826         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8827
8828 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
8829
8830         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8831         kept comdat section was garbage collected.
8832         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8833         * testsuite/Makefile.in: Regenerate.
8834         * testsuite/gc_comdat_test.sh: New file.
8835         * testsuite/gc_comdat_test_1.cc: New file.
8836         * testsuite/gc_comdat_test_2.cc: New file.
8837
8838 2009-05-19  Doug Kwan  <dougkwan@google.com>
8839
8840         * archive.cc (Archive::Archive): Move constructor from archive.h
8841         to here.  Initialize no_export_.
8842         (Archive::get_elf_object_for_member): Set no_export flag of object.
8843         * archive.h (Archive::Archive): Move constructor body to
8844         archive.cc.
8845         (Archive::no_export): New method.
8846         (Archive::no_export_): New field.
8847         * object.h (Object::Object): Initialize no_export_ to false.
8848         (Object::no_export, Object::set_no_export): New methods.
8849         (Object::no_export_): New field.
8850         * options.cc (General_options::parse_exclude_libs): New method.
8851         (General_options::check_excluded_libs) Same.
8852         * options.h (exclude_libs): New option.
8853         (General_options::check_excluded_libs): New method declaration.
8854         (General_options::excluded_libs_): New field.
8855         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
8856         default or protected visibility if an object has no-export flag set.
8857         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
8858         (check_SCRIPTS): Add exclude_libs_test.sh.
8859         (check_DATA): Add exclude_libs_test.syms.
8860         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
8861         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
8862         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
8863         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
8864         (exclude_libs_test.syms, libexclude_libs_test_1.a,
8865         libexclude_libs_test_2.a): New rules.
8866         * testsuite/Makefile.in: Regenerate.
8867         * testsuite/exclude_libs_test.c: New file.
8868         * testsuite/exclude_libs_test.sh: Ditto.
8869         * testsuite/exclude_libs_test_1.c: Ditto.
8870         * testsuite/exclude_libs_test_2.c: Ditto.
8871
8872 2009-05-15  Ian Lance Taylor  <iant@google.com>
8873
8874         * configure.ac: Check for declarations for cases where libiberty.h
8875         checks HAVE_DECL_xxx.
8876         * configure, config.in: Rebuild.
8877
8878 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
8879
8880         * gold.h (Incremental_argument_list): Remove (invalid) forward
8881         declaration.
8882         * incremental.cc (Incremental_inputs::report_achive): New method.
8883         (Incremental_inputs::report_object): New method.
8884         (Incremental_inputs::report_script): New method.
8885         (Incremental_inputs::finalize_inputs): New method.
8886         (Incremental_inputs::finalize): Call finalize_inputs().
8887         (Incremental_inputs::sized_create_incremental_inputs_section_data):
8888         Create inputs entries.
8889         * incremental.h (Incremental_input_type): New enum.
8890         (Incremental_inputs::Incremental_input): Initialize new fields.
8891         (Incremental_inputs::report_inputs): New method.
8892         (Incremental_inputs::report_achive): New method.
8893         (Incremental_inputs::report_object): New method.
8894         (Incremental_inputs::report_script): New method.
8895         (Incremental_inputs::finalize_inputs): New method.
8896         (Incremental_inputs::Input_info): New struct.
8897         (Incremental_inputs::Input_info_map): New typedef.
8898         (Incremental_inputs::lock_): New field.
8899         (Incremental_inputs::Inputs_): New field.
8900         (Incremental_inputs::Inputs_map): New field.
8901         * main.cc (main): Call Incremental_input::report_inputs.
8902         * options.h (Input_argument_list): Typedef moved from
8903         Input_arguments.
8904         (Input_file_group::Files): Remove, use ::Input_argument_list.
8905         (Input_file_group::Input_argument_list): Remove, use
8906         ::Input_argument_list.
8907         * plugin.cc (Plugin_manager::add_input_file): Add error in
8908         incremental build.
8909         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
8910         functions.
8911         * script.cc (read_input_script): Call
8912         Incremental_input::report_script.
8913         * script.h (Script_info): New class.
8914
8915 2009-04-27  Ian Lance Taylor  <iant@google.com>
8916
8917         * x86_64.cc (do_adjust_output_section): Set entsize to
8918         plt_entry_size.
8919
8920 2009-04-23  Elliott Hughes  <enh@google.com>
8921
8922         * output.cc (Output_file::close): After short writes, continue
8923         writing from the correct offset in the buffer being written.
8924
8925 2009-04-23  Chris Demetriou  <cgd@google.com>
8926
8927         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
8928         * configure: Regenerate.
8929         * config.in: Regenerate.
8930         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
8931         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
8932
8933 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
8934
8935         * incremental.cc (Incremental_inputs_header_data): Renamed from
8936         Incremental_input_header_data.
8937         (Incremental_inputs_header_data::data_size): New field.
8938         (Incremental_inputs_header_data::put_input_file_count): Renamed
8939         from input_file_count.
8940         (Incremental_inputs_header_data::put_command_line_offset): Renamed
8941         from command_line_offset.
8942         (Incremental_inputs_header_data::put_reserved): Renamed from
8943         put_reserved.
8944         (Incremental_inputs_entry_data): Renamed from
8945         Incremental_input_entry_data.
8946         (Incremental_inputs_entry_data::data_size): New field.
8947         (Incremental_inputs::report_command_line): New method.
8948         (Incremental_inputs::finalize): New method.
8949         (Incremental_inputs::create_incremental_inputs_data): New method.
8950         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
8951         * incremental.h: New file.
8952         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
8953        (Layout::finalize): Create incremental inputs section in
8954         incremental builds.
8955        (Layout::create_incremental_info_sections): New method.
8956         * layout.h (Layout::incremental_inputs): New method.
8957        (Layout::create_incremental_info_sections): New method.
8958        (Layout::incremental_inputs_): New field.
8959         * main.cc (main): Notify Incremental_input of the command line.
8960
8961 2009-04-01  Ian Lance Taylor  <iant@google.com>
8962             Mikolaj Zalewski  <mikolajz@google.com>
8963
8964         * gold.h (reserve_unordered_map): Define, three versions, one for
8965         each version of Unordered_map.
8966         * layout.cc (Layout::Layout): Remove options parameter.  Add
8967         number_of_input_files parameter.  Don't initialize options_.
8968         Initialize number_of_input_files_ and resized_signatures_.  Move
8969         sections_are_attached_.
8970         (Layout::layout_group): Reserve space for group_signatures_.
8971         (Layout::find_or_add_kept_section): Change name parameter to be a
8972         reference.  Resize signatures_ map when it gets large enough.
8973         (Layout::layout_eh_frame): Use parameters->options() instead of
8974         this->options_.
8975         (Layout::make_output_section): Likewise.
8976         (Layout::attach_allocated_section_to_segment): Likewise.
8977         (Layout::finalize, Layout::create_executable_stack): Likewise.
8978         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
8979         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
8980         * layout.h (class Layout): Update declarations.  Remove options_
8981         field.  Add number_of_input_files_ and resized_signatures_
8982         fields.  Move sections_are_attached_ field.
8983         * main.cc (main): Pass number of input files to Layout
8984         constructor.  Don't pass options.
8985
8986 2009-03-30  Ian Lance Taylor  <iant@google.com>
8987
8988         * ffsll.c (ffsll): Correct implementation.
8989
8990 2009-03-27  Ian Lance Taylor  <iant@google.com>
8991
8992         * ffsll.c: New file.
8993         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
8994         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
8995         * ftruncate.c (ftruncate): Declare before definition.
8996         * mremap.c (mremap): Likewise.
8997         * pread.c (pread): Likewise.
8998         * configure, Makefile.in, config.in: Rebuild.
8999
9000         * mremap.c: New file.
9001         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9002         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9003         (mremap): Declare if HAVE_MREMAP is not defined.
9004         * configure, Makefile.in, config.in: Rebuild.
9005
9006 2009-03-27  Cary Coutant  <ccoutant@google.com>
9007
9008         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9009         position independent.
9010         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9011         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9012
9013 2009-03-24  Cary Coutant  <ccoutant@google.com>
9014
9015         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9016         an executable.
9017         (needs_dynamic_reloc): Likewise.
9018
9019 2009-03-24  Ian Lance Taylor  <iant@google.com>
9020
9021         * yyscript.y (file_cmd): Recognize EXTERN.
9022         (extern_name_list, extern_name_list_body): New nonterminals.
9023         * script.cc (script_add_extern): Define.
9024         * script-c.h (script_add_extern): Declare.
9025
9026 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9027
9028         * object.cc (is_elf_object): Define.
9029         * object.h (is_elf_object): Declare.
9030         * archive.cc (Archive::get_elf_object_for_member): Call
9031         is_elf_object.
9032         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9033
9034 2009-03-24  Elliott Hughes  <enh@google.com>
9035
9036         * output.cc (Output_file::map_anonymous): Define.
9037         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9038         try an anonymous one.  Report the size if the mmap fails.
9039         * output.h (class Output_file): Declare map_anonymous.
9040
9041 2009-03-24  Ian Lance Taylor  <iant@google.com>
9042
9043         * target-select.cc (instantiate_target): Don't acquire the lock if
9044         the instantiated_target_ field has already been set.
9045
9046 2009-03-23  Ian Lance Taylor  <iant@google.com>
9047
9048         * gold-threads.h (class Initialize_lock): Define.
9049         * gold-threads.cc (class Initialize_lock_once): Define.
9050         (initialize_lock_control): New static variable.
9051         (initialize_lock_pointer): New static variable.
9052         (initialize_lock_once): New static function.
9053         (Initialize_lock::Initialize_lock): Define.
9054         (Initialize_lock::initialize): Define.
9055         * target-select.h: Include "gold-threads.h".
9056         (class Target_selector): Add lock_ and initialize_lock_ fields.
9057         Don't define instantiate_target, just declare it.
9058         * target-select.cc (Target_selector::Target_selector): Initialize
9059         new fields.
9060         (Target_selector::instantiate_target): Define.
9061         * descriptors.h: Include "gold-threads.h".
9062         (class Descriptors): Add initialize_lock_ field.
9063         * descriptors.cc (Descriptors::Descriptors): Initialize new
9064         field.
9065         (Descriptors::open): Use initialize_lock_ field
9066         * errors.h (class Errors): Add initialize_lock_ field.
9067         * errors.cc (Errors::Errors): Initialize new field.
9068         (Errors::initialize_lock): Use initialize_lock_ field.
9069         * powerpc.cc (class Target_selector_powerpc): Remove
9070         instantiated_target_ field.  In do_recognize call
9071         instantiate_target rather than do_instantiate_target.  In
9072         do_instantiate_target just allocate a new target.
9073         * sparc.cc (class Target_selector_sparc): Likewise.
9074
9075         * freebsd.h: New file.
9076         * i386.cc: Include "freebsd.h".
9077         (Target_i386): Derive from Target_freebsd rather than
9078         Sized_target.
9079         (Target_selector_i386): Derive from Target_selector_freebsd rather
9080         than Target_selector.
9081         * x86_64.cc: Include "freebsd.h".
9082         (Target_x86_64): Derive from Target_freebsd rather than
9083         Sized_target.
9084         (Target_selector_x86_64): Derive from Target_selector_freebsd
9085         rather than Target_selector.
9086         * target.h (class Target): Add adjust_elf_header and
9087         do_adjust_elf_header.
9088         * output.cc (Output_file_header:: do_sized_write): Call target
9089         adjust_elf_header routine.
9090         * configure.tgt: Set targ_osabi.
9091         * configure.ac: Define GOLD_DEFAULT_OSABI.
9092         * parameters.cc (Parameters::default_target): Pass
9093         GOLD_DEFAULT_OSABI to select_target.
9094         * target-select.h (class Target_selector): Make instantiate_target
9095         protected rather than private.
9096         * Makefile.am (HFILES): Add freebsd.h.
9097         * configure, Makefile.in, config.in: Rebuild.
9098
9099         * merge.cc (do_add_input_section): Correct pend value.  Change
9100         message about last entry not being null terminated from error to
9101         warning.
9102
9103 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9104
9105         * incremental.cc: New file.
9106         * Makefile.am (CCFILES): Add incremental.cc.
9107         * Makefile.in: Rebuild.
9108
9109 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9110
9111         * layout.cc (Layout::output_section_name): Preserve names
9112         of '.note.' sections.
9113
9114 2009-03-19  Ian Lance Taylor  <iant@google.com>
9115
9116         * descriptors.cc (Descriptors::open): Check that the options are
9117         valid before using them.
9118
9119 2009-03-18  Ian Lance Taylor  <iant@google.com>
9120
9121         * script-sections.h: Include <list>.
9122         (class Script_sections): Change Sections_elements from std::vector
9123         to std::list.  Typedef public Elements_iterator.  Add
9124         orphan_section_placement_, data_segment_align_start_, and
9125         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9126         field.
9127         * script-sections.cc (class Orphan_section_placement): New class.
9128         (class Sections_element): Add virtual functions is_relro and
9129         orphan_section_init.  Remove virtual function place_orphan_here.
9130         (class Output_section_definition): Add is_relro and
9131         orphan_section_init.  Remove place_orphan_here.
9132         (class Orphan_output_section): Likewise.
9133         (Script_sections::Script_sections): Update for field changes.
9134         (Script_sections::data_segment_align): Set saw_data_segment_align_
9135         and data_segment_align_start_, not data_segment_align_index.
9136         (Script_sections::data_segment_relro_end): Check
9137         saw_data_segment_align_.  Use data_segment_align_start_ rather
9138         than data_segment_align_index_.
9139         (Script_sections::place_orphan): Rewrite to use
9140         Orphan_section_placement.
9141
9142 2009-03-17  Ian Lance Taylor  <iant@google.com>
9143
9144         * archive.cc (Archive::add_symbols): Check for a version attached
9145         to the symbol name in the archive map.
9146         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9147         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9148         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9149         (ver_test_11.a): New target.
9150         * testsuite/Makefile.in: Rebuild.
9151
9152         * configure.ac: Check for chsize and posix_fallocate.  Replace
9153         ftruncate.
9154         * ftruncate.c: New file, from gnulib.
9155         * output.cc (posix_fallocate): Define dummy version if not
9156         HAVE_POSIX_FALLOCATE.
9157         (Output_file::map): Call posix_fallocate rather than lseek and
9158         write.
9159         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9160         * configure, Makefile.in, config.in: Rebuild.
9161
9162 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9163
9164         * layout.h (Layout::create_note): Add section_name parameter.
9165         * layout.cc (Layout::create_note): Likewise.
9166         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9167
9168 2009-03-17  Ian Lance Taylor  <iant@google.com>
9169
9170         * descriptors.cc: Include "options.h".
9171         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9172         (Descriptors::open): Always use O_CLOEXEC when opening a new
9173         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9174         then set FD_CLOEXEC.
9175
9176         * sparc.cc (class Target_sparc): Add has_got_section.
9177         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9178         make sure we have a GOT section.
9179
9180         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9181         (Target_sparc::Scan::local): Likewise.
9182         (Target_sparc::Scan::global): Likewise.
9183         (Target_sparc::Relocate::relocate): Likewise.
9184         (Target_sparc::Relocate::relocate_tls): Likewise.
9185
9186         * symtab.cc (Symbol_table::define_default_version): New function,
9187         broken out of add_from_object.
9188         (Symbol_table::add_from_object): Call define_default_version.
9189         (Symbol_table::define_special_symbol): Add resolve_oldsym
9190         parameter.  Change all callers.  If the version for a symbol comes
9191         from a version script, resolve it with the symbol with the same
9192         name with no version.  Also add the symbol without a version if
9193         appropriate.
9194         (do_define_in_output_data): If resolving with oldsym, don't delete
9195         sym.
9196         (do_define_in_output_segment): Likewise.
9197         (do_define_as_constant): Likewise.
9198         * symtab.h (class Symbol_table): Update declarations.
9199
9200 2009-03-13  Ian Lance Taylor  <iant@google.com>
9201
9202         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9203         (Read_symbols::requeue): New function.
9204         (Read_symbols::do_read_symbols): If make_elf_object fails because
9205         the target type is not configured, and the file was searched for,
9206         issue a warning and retry with the next directory.
9207         (Add_symbols::run): If the file has an incompatible format, and
9208         it was searched for, requeue the Read_symbols task.  On error,
9209         release the object.
9210         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9211         dirindex parameter to constructor.  Change all callers.  Declare
9212         incompatible_warning and requeue.
9213         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9214         input_argument_ and input_group_ fields.  Add them to
9215         constructor.  Change all callers.
9216         (class Read_script): Add dirindex_ field.  Add it to constructor.
9217         Change all callers.
9218         * archive.cc (Archive::setup): Remove input_objects parameter.
9219         Change all callers.
9220         (Archive::get_file_and_offset): Likewise.
9221         (Archive::read_all_symbols): Likewise.
9222         (Archive::read_symbols): Likewise.
9223         (Archive::get_elf_object_for_member): Remove input_objects
9224         parameter.  Add punconfigured parameter.  Change all callers.
9225         (Archive::add_symbols): Change return type to bool.  Check return
9226         value of include_member.
9227         (Archive::include_all_members): Likewise.
9228         (Archive::include_member): Change return type to bool.  Return
9229         false if first included object has incompatible target.  Set
9230         included_member_ field.
9231         (Add_archive_symbols::run): If add_symbols returns false, requeue
9232         Read_symbols task.
9233         * archive.h (class Archive): Add included_member_ field.
9234         Initialize it in constructor.  Add input_file and searched_for
9235         methods.  Update declarations.
9236         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9237         input_argument_ fields.  Add them to constructor.  Change all
9238         callers.
9239         * script.cc: Include "target-select.h".
9240         (class Parser_closure): Add skip_on_incompatible_target_ and
9241         found_incompatible_target_ fields.  Add
9242         skip_on_incompatible_target parameter to constructor.  Change all
9243         callers.  Add methods skip_on_incompatible_target,
9244         clear_skip_on_incompatible_target, found_incompatible_target, and
9245         set_found_incompatible_target.
9246         (read_input_script): Add dirindex parameter.  Change all callers.
9247         If parser finds an incompatible target, requeue Read_symbols
9248         task.
9249         (script_set_symbol): Clear skip_on_incompatible_target in
9250         closure.
9251         (script_add_assertion, script_parse_option): Likewise.
9252         (script_start_sections, script_add_phdr): Likewise.
9253         (script_check_output_format): New function.
9254         * script.h (read_input_script): Update declaration.
9255         * script-c.h (script_check_output_format): Declare.
9256         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9257         (ignore_cmd): Remove OUTPUT_FORMAT.
9258         * fileread.cc (Input_file::Input_file): Add explicit this.
9259         (Input_file::will_search_for): New function.
9260         (Input_file::open): Add pindex parameter.  Change all callers.
9261         * fileread.h (class Input_file): Add input_file_argument method.
9262         Declare will_search_for.  Update declarations.
9263         * object.cc (make_elf_object): Add punconfigured parameter.
9264         Change all callers.
9265         * object.h (class Object): Make input_file public.  Add
9266         searched_for method.
9267         (make_elf_object): Update declaration.
9268         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9269         restart search.
9270         * dirsearch.h (class Dirsearch): Update declaration.
9271         * options.h (class General_options): Add --warn-search-mismatch.
9272         * parameters.cc (Parameters::is_compatible_target): New function.
9273         * parameters.h (class Parameters): Declare is_compatible_target.
9274         * workqueue.cc (Workqueue::add_blocker): New function.
9275         * workqueue.h (class Workqueue): Declare add_blocker.
9276
9277         * fileread.cc (Input_file::open): Remove options parameter.
9278         Change all callers.
9279         (Input_file::open_binary): Likewise.
9280         * script.cc (read_input_script): Likewise.
9281         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9282         options parameter from constructor.  Change all callers.
9283         (class Read_script): Likewise.
9284         * fileread.h (class Input_file): Update declarations.
9285         * script.h (read_input_script): Update declaration.
9286
9287 2009-03-10  Nick Clifton  <nickc@redhat.com>
9288
9289         * po/es.po: New Spanish translation.
9290
9291 2009-03-06  Cary Coutant  <ccoutant@google.com>
9292
9293         * options.cc (parse_short_option): Keep dash_z from registering itself.
9294
9295 2009-03-03  Ian Lance Taylor  <iant@google.com>
9296
9297         PR 9918
9298         * target-reloc.h (relocate_section): Pass output_section to
9299         relocate.
9300         * i386.cc (Target_i386::should_apply_static_reloc): Add
9301         output_section parameter.  Change all callers.
9302         (Target_i386::Relocate::relocate): Add output_section parameter.
9303         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9304         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9305         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9306         * testsuite/two_file_shared.sh: New script.
9307         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9308         (check_DATA): Add two_file_shared.dbg.
9309         (two_file_shared.dbg): New target.
9310         * testsuite/Makefile.in: Rebuild.
9311
9312 2009-03-01  Ian Lance Taylor  <iant@google.com>
9313
9314         * configure.ac: Check for byteswap.h.
9315         * configure: Rebuild.
9316         * config.in: Rebuild.
9317
9318 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9319
9320         * layout.cc (Layout::find_or_add_kept_section): New function.
9321         (Layout::add_comdat): Removed.
9322         * layout.h (struct Kept_section): Move out of class Layout.
9323         Remove trailing underscores from field names.  Add group_sections
9324         field.  Rename group_ field to is_group.  Change all uses.
9325         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9326         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9327         comdat_groups_ field.
9328         (Sized_relobj::include_section_group): Use
9329         find_or_add_kept_section and Kept_section::group_sections.
9330         (Sized_relobj::include_linkonce_section): Likewise.
9331         * object.cc (class Sized_relobj): Don't define Comdat_group or
9332         Comdat_group_table.  Remove find_comdat_group and
9333         add_comdat_group.  Remove comdat_groups_ field.
9334         * plugin.cc (include_comdat_group): Use
9335         Layout::find_or_add_kept_section.
9336
9337 2009-02-28  Ian Lance Taylor  <iant@google.com>
9338
9339         * README: --gc-sections and map files are now supported.  Document
9340         some build requirements.
9341
9342         PR 6992
9343         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9344         relocatable link set the value of the section symbol to zero.
9345         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9346         relocatable link don't include the section address in the local
9347         symbol value.
9348
9349 2009-02-27  Ian Lance Taylor  <iant@google.com>
9350
9351         PR 6811
9352         * options.h (class Search_directory): Add is_system_directory.
9353         (class General_options): Declare is_in_system_directory.
9354         * options.cc (get_relative_sysroot): Make static.
9355         (get_default_sysroot): Make static.
9356         (General_optoins::is_in_system_directory): New function.
9357         * fileread.cc (Input_file::is_in_system_directory): New function.
9358         * fileread.h (class Input_file): Declare is_in_system_directory.
9359         * object.h (class Object): Add is_in_system_directory.
9360         (class Input_objects): Remove system_library_directory_ field.
9361         * object.cc (Input_objects::add_object): Don't set
9362         system_library_directory_.
9363         (input_objects::found_in_system_library_directory): Remove.
9364         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9365         parameter.  Change all callers.
9366         (Symbol_table::sized_write_globals): Likewise.
9367         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9368         Call Object::is_in_system_directory.
9369         * symtab.h (class Symbol_table): Update declarations.
9370
9371         PR 5990
9372         * descriptors.h (Open_descriptor): Add is_on_stack field.
9373         * descriptors.cc (Descriptors::open): If the descriptor is on the
9374         top of the stack, remove it.  Initialize is_on_stack field.
9375         (Descriptors::release): Only add pod to stack if it is not on the
9376         stack already.
9377         (Descriptors::close_some_descriptor): Clear stack_next and
9378         is_on_stack fields.
9379
9380         PR 7091
9381         * output.cc (Output_section::find_starting_output_address): Rename
9382         from starting_output_address; add PADDR parameter; change return
9383         type.
9384         * output.h (class Output_section): Declare
9385         find_starting_output_address instead of starting_output_address.
9386         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9387         section symbol for which we can't find a merge section.
9388
9389         PR 9836
9390         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9391         hidden or internal, force the symbol to be local.
9392         * resolve.cc (Symbol::override_visibility): Define.
9393         (Symbol::override_base): Use override_visibility.
9394         (Symbol_table::resolve): Likewise.
9395         (Symbol::override_base_with_special): Likewise.
9396         (Symbol_table::override_with_special): If the visibility is hidden
9397         or internal, force the symbol to be local.
9398         * symtab.h (class Symbol): Add set_visibility and
9399         override_visibility.
9400         * testsuite/ver_test_1.sh: New file.
9401         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9402         (check_DATA): Add ver_test_1.syms.
9403         (ver_test_1.syms): New target.
9404         * testsuite/Makefile.in: Rebuild.
9405
9406 2009-02-25  Cary Coutant  <ccoutant@google.com>
9407
9408         * layout.cc (Layout::choose_output_section): Don't rename sections
9409         when using a linker script that has a SECTIONS clause.
9410         * Makefile.in: Regenerate.
9411
9412         * testsuite/Makefile.am (script_test_5.sh): New test case.
9413         * testsuite/Makefile.in: Regenerate.
9414         * testsuite/script_test_5.cc: New file.
9415         * testsuite/script_test_5.sh: New file.
9416         * testsuite/script_test_5.t: New file.
9417
9418 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9419
9420         * archive.cc (Archive::include_member): Update calls to add_symbols.
9421         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9422         the Layout argument.
9423         * dynobj.h (do_add_symbols): Add the Layout argument.
9424         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9425         Layout argument.
9426         * object.h (Object::add_symbols): Add the Layout argument.
9427         (Object::do_add_symbols): Add the Layout argument.
9428         (Sized_relobj::do_add_symbols): Add the Layout argument.
9429         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9430         Unify the two versions.
9431         (Add_plugin_symbols): Remove.
9432         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9433         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9434         (Add_plugin_symbols): Remove.
9435         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9436         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9437         (Add_symbols::run): Make it work with Pulginobj.
9438
9439 2009-02-06  Ian Lance Taylor  <iant@google.com>
9440
9441         * object.cc (Sized_relobj::do_layout): Make info message start
9442         with lower case letter.
9443
9444 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9445
9446         * binary.cc: Fix file comment.
9447
9448         * options.h (enum Incremental_disposition): Define.
9449         (class General_options): Add new options: --incremental,
9450         --incremental_changed, --incremental_unchanged,
9451         --incremental_unknown.  Add incremental_disposition_ and
9452         implicit_incremental_ fields.
9453         (General_options::incremental_disposition): New function.
9454         (class Position_dependent_options): Add incremental_disposition
9455         option.
9456         (Position_dependent_options::copy_from_options): Set incremental
9457         dispositions.
9458         * options.cc (General_options::parse_incremental_changed): New
9459         function.
9460         (General_options::parse_incremental_unchanged): New function.
9461         (General_options::parse_incremental_unknown): New function.
9462         (General_options::General_options): Initialize new fields
9463         incremental_disposition_ and implicit_incremental_.
9464         (General_options::finalize): Check for uasge of --incremental-*
9465         without --incremental.
9466
9467 2009-02-06  Chris Demetriou  <cgd@google.com>
9468
9469         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9470         pointer and to report location as the file name associated with
9471         the symbol.
9472         (gold_undefined_symbol_at_location): New function to replace the
9473         old gold_undefined_symbol functionality.
9474         * target-reloc.h (relocate_section): Update to use
9475         gold_undefined_symbol_at_location.
9476         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9477         Call gold_undefined_symbol function rather than gold_error.
9478         * errors.h (Errors::undefined_symbol): Take location as a
9479         string, rather than calculating it from a relocation.
9480         * errors.cc (Errors::fatal): Print "fatal error:" before the
9481         formatted message.
9482         (Errors::error, Errors::error_at_location): Print "error: "
9483         before the formatted message.
9484         (Errors::undefined_symbol): Take location as a string, rather
9485         than calculating it from a relocation.
9486         (gold_undefined_symbol_at_location): New function akin to
9487         old gold_undefined_symbol, calculates location from relocation.
9488         (gold_undefined_symbol): Change to take only a Symbol pointer
9489         and to report location as the file name associated with the symbol.
9490         * testsuite/debug_msg.sh: Update for changed error messages.
9491         * testsuite/undef_symbol.sh: Likewise.
9492
9493 2009-02-04  Duncan Sands  <baldrick@free.fr>
9494
9495         PR 9812
9496         * reduced_debug_output.h
9497         (Output_reduced_debug_abbrev_section::failed): Use format for
9498         gold_warning.
9499         (Output_reduced_debug_info_section::faild): Likewise.
9500
9501 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9502
9503         * script.cc (Lazy_demangler): New class.
9504         (Version_script_info::get_symbol_version_helper): Demangle a
9505         symbol only once.
9506
9507 2009-01-29  Cary Coutant  <ccoutant@google.com>
9508
9509         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9510         to __tls_get_addr.
9511         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9512
9513 2009-01-28  Ian Lance Taylor  <iant@google.com>
9514
9515         * version.cc (version_string): Bump to 1.9.
9516
9517         * gold.h: Include <cstring> and <stdint.h>.
9518         * version.cc: Include <cstdio>.
9519         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9520         warning.
9521         * reduced_debug_output.cc (insert_into_vector): Rename from
9522         Insert_into_vector; change all callers.  Use Swap_unaligned to
9523         avoid aliasing issue; remove union since it is unnecessary.
9524
9525 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9526
9527         * Makefile.am (CCFILES): Add gc.cc.
9528         (HFILES): Add gc.h.
9529         * Makefile.in: Regenerate.
9530         * gold.cc (Gc_runner): New class.
9531         (queue_initial_tasks): Call garbage collection related tasks
9532         when corresponding options are invoked.
9533         (queue_middle_gc_tasks): New function.
9534         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9535         processed early before laying out sections during garbage collection.
9536         * gold.h (queue_middle_gc_tasks): New function.
9537         (is_prefix_of): Move from "layout.cc".
9538         * i386.cc (Target_i386::gc_process_relocs): New function.
9539         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9540         * main.cc (main): Create object of class "Garbage_collection".
9541         * object.cc (Relobj::copy_symbols_data): New function.
9542         (Relobj::is_section_name_included): New function.
9543         (Sized_relobj::do_layout): Allow this function to be called twice
9544         during garbage collection and defer layout of section during the
9545         first call.
9546         * object.h (Relobj::get_symbols_data): New function.
9547         (Relobj::is_section_name_included): New function.
9548         (Relobj::copy_symbols_data): New function.
9549         (Relobj::set_symbols_data): New function.
9550         (Relobj::get_relocs_data): New function.
9551         (Relobj::set_relocs_data): New function.
9552         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9553         (Relobj::gc_process_relocs): New function.
9554         (Relobj::do_gc_process_relocs): New pure virtual function.
9555         (Relobj::sd_): New data member.
9556         (Sized_relobj::is_output_section_offset_invalid): New function.
9557         (Sized_relobj::do_gc_process_relocs): New function.
9558         * options.h (General_options::gc_sections): Modify to not be a no-op.
9559         (General_options::print_gc_sections): New option.
9560         * plugin.cc (Plugin_finish::run): Remove function call to
9561         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9562         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9563         * reloc.cc (Read_relocs::run): Add task to process relocs and
9564         determine unreferenced sections when doing garbage collection.
9565         (Gc_process_relocs): New class.
9566         (Sized_relobj::do_gc_process_relocs): New function.
9567         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9568         sections that are garbage collected.
9569         * reloc.h (Gc_process_relocs): New class.
9570         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9571         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9572         symbols whose corresponding sections are garbage collected.
9573         (Symbol_table::Symbol_table): Add new parameter for the garbage
9574         collection object.
9575         (Symbol_table::gc_mark_undef_symbols): New function.
9576         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9577         (Symbol_table::gc_mark_dyn_syms): New function.
9578         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9579         as garbage.
9580         (Symbol_table::add_from_object): Likewise.
9581         (Symbol_table::add_from_relobj): When building shared objects, do not
9582         treat externally visible symbols as garbage.
9583         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9584         table information for static and relocatable links.
9585         * symtab.h (Symbol_table::set_gc): New function.
9586         (Symbol_table::gc): New function.
9587         (Symbol_table::gc_mark_undef_symbols): New function.
9588         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9589         (Symbol_table::gc_mark_dyn_syms): New function.
9590         (Symbol_table::gc_): New data member.
9591         * target.h (Sized_target::gc_process_relocs): New pure virtual
9592         function.
9593         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9594         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9595
9596 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9597
9598         * options.h (General_options::gc_sections): Define as a no-op for now.
9599         (General_options::no_keep_memory): Ditto.
9600         (General_options::Bshareable): Define.
9601         * options.cc (General_options::finalize): Honor -Bshareable.
9602
9603 2009-01-20  Andreas Schwab  <schwab@suse.de>
9604
9605         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9606         read the value in the contents, since we don't use it.  Use the
9607         template endianness when writing.
9608         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9609
9610 2009-01-19  Andreas Schwab  <schwab@suse.de>
9611
9612         * configure.tgt (powerpc64-*): Fix targ_obj.
9613
9614 2009-01-15  Ian Lance Taylor  <iant@google.com>
9615
9616         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9617         local symbols when stripping all symbols.
9618
9619 2009-01-14  Cary Coutant  <ccoutant@google.com>
9620
9621         * output.cc (Output_reloc): Add explicit instantiations.
9622
9623 2009-01-14  Cary Coutant  <ccoutant@google.com>
9624
9625         * archive.cc (Archive::get_elf_object_for_member): Remove call
9626         to File_read::claim_for_plugin.
9627         * descriptors.cc (Descriptors::open): Remove reference to
9628         is_claimed.
9629         (Descriptors::claim_for_plugin): Remove.
9630         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9631         (Descriptors::is_claimed): Remove.
9632         (claim_descriptor_for_plugin): Remove.
9633         * fileread.cc (File_read::claim_for_plugin): Remove.
9634         * fileread.h (File_read::claim_for_plugin): Remove.
9635         (File_read::descriptor): Reopen descriptor if necessary.
9636         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9637         (Plugin_manager::all_symbols_read): Add task parameter. Change
9638         all callers.
9639         (Plugin_manager::get_input_file): New function.
9640         (Plugin_manager::release_input_file): New function.
9641         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9642         corresponding data member.
9643         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9644         and pass to base constructor. Change all callers.
9645         (get_input_file, release_input_file): New functions.
9646         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9647         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9648         (Plugin_manager::all_symbols_read): Add task parameter.
9649         (Plugin_manager::get_input_file): New function.
9650         (Plugin_manager::release_input_file): New function.
9651         (Plugin_manager::task_): New data member.
9652         (Pluginobj::Pluginobj): Add filesize parameter.
9653         (Pluginobj::filename): New function.
9654         (Pluginobj::descriptor): New function.
9655         (Pluginobj::filesize): New function.
9656         (Pluginobj::filesize_): New data member.
9657         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9658         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9659         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9660
9661         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9662         with archive libraries.
9663         * testsuite/Makefile.in: Regenerate.
9664         * testsuite/plugin_test.c (struct sym_info): New type.
9665         (get_input_file, release_input_file): New static variables.
9666         (onload): Capture new transfer vector entries.
9667         (claim_file_hook): Stop reading at end of file according to filesize.
9668         Factor out parsing of readelf output into separate function.
9669         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9670         APIs and get the source file name from the symbol table.  Convert
9671         source file name to corresponding object file name.  Print info
9672         message when adding new input files.
9673         (parse_readelf_line): New function.
9674         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9675         * testsuite/plugin_test_2.sh: Likewise.
9676         * testsuite/plugin_test_3.sh: Likewise.
9677         * testsuite/plugin_test_4.sh: New test case.
9678
9679 2009-01-07  Ian Lance Taylor  <iant@google.com>
9680
9681         * version.cc (version_string): Bump to 1.8.
9682
9683 2008-12-23  Cary Coutant  <ccoutant@google.com>
9684
9685         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9686         * plugin.cc (Plugin_manager::finish): Rename as
9687         layout_deferred_objects.  Move cleanup to separate function.
9688         (Plugin_manager::cleanup): New function.
9689         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9690         separately.
9691         * plugin.h (Plugin_manager::finish): Rename as
9692         layout_deferred_objects.
9693         (Plugin_manager::cleanup): New function.
9694         (Plugin_manager::cleanup_done): New field.
9695
9696 2008-12-23  Cary Coutant  <ccoutant@google.com>
9697
9698         * plugin.cc (is_visible_from_outside): New function.
9699         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9700         so we don't return "IR only" status for exported symbols or -r links.
9701
9702         * testsuite/Makefile.am (plugin_test_3): New test case.
9703         * testsuite/Makefile.in: Regenerate.
9704         * testsuite/plugin_test_3.sh: New file.
9705
9706 2008-12-22  Cary Coutant  <ccoutant@google.com>
9707
9708         * object.cc (Sized_relobj::layout_section): New function.
9709         (Sized_relobj::do_layout): Defer layout of input sections until after
9710         plugin has provided replacement files.
9711         (Sized_relobj::do_layout_deferred_sections): New function.
9712         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9713         (Relobj::layout_deferred_sections): New function.
9714         (Relobj::do_layout_deferred_sections): New function.
9715         (Sized_relobj::do_layout_deferred_sections): New function.
9716         (Sized_relobj::layout_section): New function.
9717         (Sized_relobj::Deferred_layout): New structure.
9718         (Sized_relobj::deferred_layout_): New field.
9719         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9720         Change all callers.  Layout deferred sections.
9721         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9722         references.
9723         (Plugin_hook::run): Move code from do_plugin_hook inline.
9724         (Plugin_hook::do_plugin_hook): Remove.
9725         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9726         (Plugin_manager::finish): Renamed, was cleanup.
9727         (Plugin_manager::should_defer_layout): New function.
9728         (Plugin_manager::add_deferred_layout_object): New function.
9729         (Plugin_manager::Deferred_layout_list): New type.
9730         (Plugin_manager::deferred_layout_objects_): New field.
9731         (Plugin_hook::do_plugin_hook): Remove.
9732
9733 2008-12-17  Ian Lance Taylor  <iant@google.com>
9734
9735         * options.h (class General_options): Add --no case for
9736         --export-dynamic.
9737
9738 2008-12-16  Cary Coutant  <ccoutant@google.com>
9739
9740         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9741         vector.
9742         (Plugin_manager::claim_file): Create plugin object even if
9743         plugin did not call the add_symbols callback.
9744         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9745         asking for more symbols than were added.
9746         * testsuite/Makefile.am (plugin_test_1): Add test case with
9747         no global symbols.
9748         (empty.syms): New target.
9749         * testsuite/Makefile.in: Regenerate.
9750         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9751         message. Don't call add_symbols if no globals.
9752         (all_symbols_read_hook): Don't provide replacement for empty
9753         claimed file.
9754
9755 2008-12-12  Ian Lance Taylor  <iant@google.com>
9756
9757         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9758         r_type == 0 for a local symbol with r_sym == 0.
9759         (scan_relocatable_relocs): Pass r_sym to
9760         local_non_section_strategy.
9761         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9762         r_sym parameter.
9763
9764         * configure.ac: Update test for TLS descriptors: they are
9765         supported as of glibc 2.9.
9766         * configure: Rebuild.
9767
9768 2008-12-11  Ian Lance Taylor  <iant@google.com>
9769
9770         PR 7091
9771         * target-reloc.h (Default_scan_relocatable_relocs): For each
9772         function, map r_type == 0 to RELOC_DISCARD.
9773
9774 2008-12-10  Cary Coutant  <ccoutant@google.com>
9775
9776         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9777         object to override a kept COMDAT group from a plugin object.
9778
9779 2008-12-09  Ian Lance Taylor  <iant@google.com>
9780
9781         PR 7088
9782         * yyscript.y (file_cmd): Handle INPUT.
9783
9784         * testsuite/initpri1.c: Change all declarations to be full
9785         prototypes by adding void, to avoid compiler warnings.
9786
9787 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
9788
9789         * options.cc (General_options::parse_plugin_opt): New.
9790         (General_options::add_plugin): The argument now is just the filename.
9791         (General_options::add_plugin_option): New.
9792         * options.h (plugin_opt): New.
9793         (add_plugin): Change argument name.
9794         (add_plugin_option): New.
9795         * plugin.cc (Plugin::load): Don't parse the plugin option.
9796         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9797         (Plugin::add_option): New.
9798         (Plugin::args_): Change type.
9799         (Plugin::filename_): New.
9800         (Plugin_manager::add_plugin_option): New.
9801         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9802         * testsuite/Makefile.in: Regenerate.
9803
9804 2008-12-05  Cary Coutant  <ccoutant@google.com>
9805
9806         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9807         Handle --strip-lto-sections option.
9808         * options.h (strip_lto_sections): New option.
9809
9810 2008-12-01  Cary Coutant  <ccoutant@google.com>
9811
9812         * plugin.cc (ld_plugin_message): Change format parameter to const.
9813         Fix mismatch between new[] and delete.
9814
9815 2008-11-14  Cary Coutant  <ccoutant@google.com>
9816
9817         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9818         instead of -1U.
9819
9820 2008-11-05  Craig Silverstein  <csilvers@google.com>
9821
9822         * options.cc (General_options::parse_dynamic_list): New function.
9823         * options.h (General_options): New flags dynamic_list,
9824         dynamic_list_data, dynamic_list_cpp_new, and
9825         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
9826         (General_options::in_dynamic_list): New function.
9827         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9828         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9829         (Lex::can_continue_name): Likewise.
9830         (yylex): Likewise.
9831         (read_script_file): New parameter script_options.
9832         (read_dynamic_list): New function.
9833         (Script_options::define_dynamic_list): New function.
9834         (dynamic_list_keyword_parsecodes): New variable.
9835         (dynamic_list_keywords): New variable.
9836         * script.h (Script_options::define_dynamic_list): New function
9837         prototype.
9838         (read_dynamic_list): New function prototype.
9839         * symtab.cc (strprefix): New macro.
9840         (Symbol::should_add_dynsym_entry): Support dynamic_list,
9841         dynamic_list_data, dynamic_list_cpp_new, and
9842         dynamic_list_cpp_typeinfo.
9843         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
9844         (dynamic_list_expr): New rule.
9845         (dynamic_list_nodes): Likewise.
9846         (dynamic_list_node): Likewise.
9847         * testsuite/Makefile.am (dynamic_list): New test.
9848         * testsuite/Makefile.in: Regenerated.
9849         * testsuite/dynamic_list.t: New file.
9850         * testsuite/dynamic_list.sh: New file.
9851
9852 2008-11-05  Craig Silverstein  <csilvers@google.com>
9853
9854         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
9855         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
9856         (t11_last): Likewise.
9857         * testsuite/ver_test_6.c (main): Likewise.
9858
9859 2008-10-07  Cary Coutant  <ccoutant@google.com>
9860
9861         * options.c (General_options::finalize): Add check for -static and
9862         -shared.
9863         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
9864         is not empty.
9865
9866 2008-10-02  Cary Coutant  <ccoutant@google.com>
9867
9868         * plugin.cc (make_sized_plugin_object): Fix conditional
9869         compilation to work when not all targets are enabled.
9870
9871 2008-09-29  Cary Coutant  <ccoutant@google.com>
9872
9873         * archive.cc (Archive::get_file_and_offset): Use filename instead
9874         of name to get library path.
9875         (Archive::include_member): Unlock external member of a thin archive.
9876
9877         * testsuite/Makefile.am (TEST_AR): New variable.
9878         (thin_archive_test_1): New test.
9879         (thin_archive_test_2): New test.
9880         * testsuite/Makefile.in: Regenerate.
9881         * testsuite/thin_archive_main.cc: New file.
9882         * testsuite/thin_archive_test_1.cc: New file.
9883         * testsuite/thin_archive_test_2.cc: New file.
9884         * testsuite/thin_archive_test_3.cc: New file.
9885         * testsuite/thin_archive_test_4.cc: New file.
9886
9887 2008-09-29  Cary Coutant  <ccoutant@google.com>
9888
9889         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
9890         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
9891         instead of -1U.
9892         (Sized_relobj::do_finalize_local_symbols): Likewise.
9893         (Sized_relobj::map_to_kept_section): Likewise.
9894         * object.h (Sized_relobj::invalid_address): New constant.
9895         (Sized_relobj::do_output_section_offset): Check for invalid_address
9896         and return -1ULL.
9897         * output.cc (Output_reloc::local_section_offset): Use constant
9898         invalid_address instead of -1U.
9899         (Output_reloc::get_address): Likewise.
9900         (Output_section::output_address): Change -1U to -1ULL.
9901         * output.h (Output_reloc::invalid_address): New constant.
9902         * reloc.cc (Sized_relobj::write_sections): Use constant
9903         invalid_address instead of -1U.
9904         (Sized_relobj::relocate_sections): Likewise.
9905         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
9906         values for merge sections.
9907         * target-reloc.h (relocate_for_relocatable): Use constant
9908         invalid_address instead of -1U.
9909
9910 2008-09-19  Cary Coutant  <ccoutant@google.com>
9911
9912         Add plugin functionality for link-time optimization (LTO).
9913         * configure.ac (plugins): Add --enable-plugins option.
9914         * configure: Regenerate.
9915         * config.in: Regenerate.
9916         * Makefile.am (LIBDL): New variable.
9917         (CCFILES): Add plugin.cc.
9918         (HFILES): Add plugin.h.
9919         (ldadd_var): Add LIBDL.
9920         * Makefile.in: Regenerate.
9921
9922         * archive.cc: Include "plugin.h".
9923         (Archive::setup): Don't preread archive symbols when using a plugin.
9924         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
9925         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
9926         files.
9927         (Archive::include_member): Add symbols from plugin objects.
9928         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
9929         * descriptors.cc (Descriptors::open): Check for file descriptors
9930         abandoned by plugins.
9931         (Descriptors::claim_for_plugin): New function.
9932         * descriptors.h (Descriptors::claim_for_plugin): New function.
9933         (Open_descriptor::is_claimed): New field.
9934         (claim_descriptor_for_plugin): New function.
9935         * fileread.cc (File_read::claim_for_plugin): New function.
9936         * fileread.h (File_read::claim_for_plugin): New function.
9937         (File_read::descriptor): New function.
9938         * gold.cc: Include "plugin.h".
9939         (queue_initial_tasks): Add task to call plugin hooks for generating
9940         new object files.
9941         * main.cc: Include "plugin.h".
9942         (main): Load plugin libraries.
9943         * object.h (Pluginobj): Declare.
9944         (Object::pluginobj): New function.
9945         (Object::do_pluginobj): New function.
9946         (Object::set_target): New function.
9947         * options.cc: Include "plugin.h".
9948         (General_options::parse_plugin): New function.
9949         (General_options::General_options): Initialize plugins_ field.
9950         (General_options::add_plugin): New function.
9951         * options.h (Plugin_manager): Declare.
9952         (General_options): Add --plugin option.
9953         (General_options::has_plugins): New function.
9954         (General_options::plugins): New function.
9955         (General_options::add_plugin): New function.
9956         (General_options::plugins_): New field.
9957         * plugin.cc: New file.
9958         * plugin.h: New file.
9959         * readsyms.cc: Include "plugin.h".
9960         (Read_symbols::do_read_symbols): Check for archive before checking
9961         for ELF file.  Call plugin hooks to claim files.
9962         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
9963         from a real object file; force override when processing replacement
9964         files.
9965         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
9966         (Symbol::init_base_object): Likewise.
9967         (Symbol::init_base_output_data): Likewise.
9968         (Symbol::init_base_output_segment): Likewise.
9969         (Symbol::init_base_constant): Likewise.
9970         (Symbol::init_base_undefined): Likewise.
9971         (Symbol::output_section): Assert that object is not a plugin.
9972         (Symbol_table::add_from_pluginobj): New function.
9973         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
9974         undefined.
9975         (Symbol_table::sized_write_globals): Likewise.
9976         (Symbol_table::add_from_pluginobj): Instantiate template.
9977         * symtab.h (Sized_pluginobj): Declare.
9978         (Symbol::in_real_elf): New function.
9979         (Symbol::set_in_real_elf): New function.
9980         (Symbol::in_real_elf_): New field.
9981         (Symbol_table::add_from_pluginobj): New function.
9982
9983         * testsuite/Makefile.am (AM_CFLAGS): New variable.
9984         (LIBDL): New variable.
9985         (LDADD): Add LIBDL.
9986         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
9987         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
9988         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
9989         (MOSTLYCLEANFILES): Likewise.
9990         * testsuite/Makefile.in: Regenerate.
9991         * testsuite/plugin_test.c: New file.
9992         * testsuite/plugin_test_1.sh: New file.
9993         * testsuite/plugin_test_2.sh: New file.
9994
9995 2008-09-16  Ian Lance Taylor  <iant@google.com>
9996
9997         * target-reloc.h (relocate_section): Check whether a symbol is
9998         defined by the ABI before reporting an undefined symbol error.
9999         * target.h (Target::is_defined_by_abi): Make parameter const.
10000         (Target::do_is_defined_by_abi): Likewise.
10001         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10002         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10003         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10004         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10005         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10006         * testsuite/Makefile.in: Rebuild.
10007
10008         * fileread.cc (make_view): Add casts to avoid warning.
10009
10010 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10011
10012         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10013         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10014
10015 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10016
10017         * options.h (General_options::output_is_executable): New.
10018         (General_options::output_is_pie): New.
10019         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10020         for shared libraries.
10021         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10022
10023 2008-09-11  Chris Demetriou  <cgd@google.com>
10024
10025         * options.h (origin): New -z option.
10026         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10027         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10028         in DT_FLAGS_1.
10029
10030 2008-09-05  Cary Coutant  <ccoutant@google.com>
10031
10032         * fileread.cc (File_read::make_view): Add check for attempt to map
10033         beyond end of file.
10034
10035 2008-09-05  Cary Coutant  <ccoutant@google.com>
10036
10037         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10038         explicit instantiations.
10039
10040 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10041
10042         PR gold/6858
10043         * options.cc (General_options::finalize): Allow undefined symbols
10044         in shlibs if linking -shared.
10045
10046         PR gold/6859
10047         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10048         symbols as not needing a dynsym entry.
10049
10050 2008-08-20  Craig Silverstein  <csilvers@google.com>
10051
10052         * fileread.cc (File_read::open): Do not lock the file unless it
10053         was successfully opened.
10054
10055 2008-08-14  Cary Coutant  <ccoutant@google.com>
10056
10057         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10058         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10059         * testsuite/tls_test.cc (struct int128): 128-bit struct
10060         for testing TLS relocs with non-zero addend.
10061         (v12): New TLS variable.
10062         (t12): New test.
10063         (t_last): Add check for v12.
10064         * testsuite/tls_test.h (t12): New function.
10065         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10066
10067 2008-08-13  Ian Lance Taylor  <iant@google.com>
10068
10069         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10070         set tls_segment_ or relro_segment_.
10071         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10072         when appropriate.
10073         * output.h (Output_section::clear_is_relro): New function.
10074         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10075         sections specially even when output_data_ is empty.
10076         (Output_segment::maximum_alignment): When first section is relro,
10077         only force alignment for PT_LOAD segments.
10078         * script.cc (script_data_segment_align): New function.
10079         (script_data_segment_relro_end): New function.
10080         * script-c.h (script_data_segment_align): Declare.
10081         (script_data_segment_relro_end): Declare.
10082         * script-sections.h (class Script_sections): Declare
10083         data_segment_align and data_segment_relro_end.  Add fields
10084         segment_align_index_ and saw_relro_end_.
10085         * script-sections.cc (class Sections_element): Add set_is_relro
10086         virtual function.  Add new bool* parameter to place_orphan_here.
10087         Add get_output_section virtual function.
10088         (class Output_section_definition): Add set_is_relro.  Add new
10089         bool* parameter to place_orphan_here.  Add get_output_section.
10090         Add is_relro_ field.
10091         (Output_section_definition::Output_section_definition): Initialize
10092         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10093         and is_relro_ fields.
10094         (Output_section_definition::place_orphan_here): Add is_relro
10095         parameter.
10096         (Output_section_definition::set_section_addresses): Set relro for
10097         output section.
10098         (Output_section_definition::alternate_constraint): Likewise.
10099         (class Orphan_output_section): Add new bool* parameter to
10100         place_orphan_here.  Add get_output_section.
10101         (Orphan_output_section::place_orphan_here): Add is_relro
10102         parameter.
10103         (Script_sections::Script_sections): Initialize
10104         data_segment_align_index_ and saw_relro_end_.
10105         (Script_sections::data_segment_align): New function.
10106         (Script_sections::data_segment_relro_end): New function.
10107         (Script_sections::place_orphan): Set or clear is_relro.
10108         (Script_sections::set_section_addresses): Force alignment of first
10109         TLS section.
10110         * yyscript.y (exp): Call script_data_segment_align and
10111         script_data_segment_relro_end.
10112         * testsuite/relro_script_test.t: New file.
10113         * testsuite/relro_test.cc (using_script): Declare.
10114         (t1, t2): Test using_script.
10115         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10116         (relro_script_test_SOURCES): Define.
10117         (relro_script_test_DEPENDENCIES): Define.
10118         (relro_script_test_LDFLAGS): Define.
10119         (relro_script_test_LDADD): Define.
10120         (relro_script_test.so): New target.
10121         * testsuite/Makefile.in: Rebuild.
10122
10123 2008-08-06  Cary Coutant <ccoutant@google.com>
10124
10125         * archive.cc (Archive::total_archives, Archive::total_members)
10126         (Archive::total_members_loaded): New variables.
10127         (Archive::setup): Add parameter.  Add option to preread
10128         archive symbols.
10129         (Archive::read_armap): Add counter.
10130         (Archive::get_file_and_offset): New function.
10131         (Archive::get_elf_object_for_member): New function.
10132         (Archive::read_all_symbols): New function.
10133         (Archive::read_symbols): New function.
10134         (Archive::add_symbols): Add counters.
10135         (Archive::include_all_members): Use armap to find members if it's
10136         already built.
10137         (Archive::include_member): Skip reading symbols if already read.
10138         Factored code into Archive::get_file_and_offset and
10139         Archive::get_elf_object_for_member.  Changed call to
10140         Mapfile::report_include_archive_member.
10141         (Archive::print_stats): New function.
10142         * archive.h: Declare Object and Read_symbols_data classes.
10143         (Archive::Archive): Add initializers for new members.
10144         (Archive::setup): Add parameter.
10145         (Archive::print_stats): New function.
10146         (Archive::total_archives, Archive::total_members)
10147         (Archive::total_members_loaded): New variables.
10148         (Archive::get_file_and_offset): New function.
10149         (Archive::get_elf_object_for_member): New function.
10150         (Archive::read_all_symbols): New function.
10151         (Archive::read_symbols): New function.
10152         (Archive::Archive_member): New class.
10153         (Archive::members_): New member.
10154         (Archive::num_members_): New member.
10155         * main.cc: Include archive.h.
10156         (main): Call Archive::print_stats.
10157         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10158         archive parameter; member_name is now the fully-decorated name.
10159         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10160         * options.h: (General_options): Add --preread-archive-symbols option.
10161         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10162         Archive::setup.
10163
10164 2008-08-04  Ian Lance Taylor  <iant@google.com>
10165
10166         * symtab.h (Symbol::use_plt_offset): New function.
10167         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10168         * powerpc.cc (Relocate::relocate): Likewise.
10169         * sparc.cc (Relocate::relocate): Likewise.
10170         * x86_64.cc (Relocate::relocate): Likewise.
10171         * testsuite/weak_plt.sh: New test.
10172         * testsuite/weak_plt_main.cc: New test.
10173         * testsuite/weak_plt_shared.cc: New test.
10174         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10175         (check_PROGRAMS): Add weak_plt.
10176         (check_DATA): Add weak_plt_shared.so.
10177         (weak_plt_main_pic.o, weak_plt): New targets.
10178         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10179         * testsuite/Makefile.in: Rebuild.
10180
10181         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10182         gcctestdir/ld.
10183         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10184         * testsuite/Makefile.in: Rebuild.
10185
10186 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10187
10188         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10189         * Makefile.in: Regenerate.
10190         * po/POTFILES.in: Regenerate.
10191
10192 2008-07-29  Ian Lance Taylor  <iant@google.com>
10193
10194         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10195         symbols before other symbols.
10196         * testsuite/script_test_2.cc (test_addr): Declare.
10197         (test_addr_alias): Declare.
10198         (main): Check that test_addr and test_addr_alias have the right
10199         values.
10200         * testsuite/script_test_2.t: Define test_addr_alias and
10201         test_addr.
10202
10203 2008-07-24  Ian Lance Taylor  <iant@google.com>
10204
10205         PR 5990
10206         * descriptors.cc: New file.
10207         * descriptors.h: New file.
10208         * gold-threads.h (class Hold_optional_lock): New class.
10209         * fileread.cc: Include "descriptors.h".
10210         (File_read::~File_read): Release descriptor rather than closing
10211         it.
10212         (File_read::open) [file]: Call open_descriptor rather than open.
10213         Set is_descriptor_opened_.
10214         (File_read::open) [memory]: Assert that descriptor is not open.
10215         (File_read::reopen_descriptor): New function.
10216         (File_read::release): Release descriptor.
10217         (File_read::do_read): Make non-const.  Reopen descriptor.
10218         (File_read::read): Make non-const.
10219         (File_read::make_view): Reopen descriptor.
10220         (File_read::do_readv): Likewise.
10221         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10222         Update declarations.
10223         * layout.cc: Include "descriptors.h".
10224         (Layout::create_build_id): Use open_descriptor rather than open.
10225         * output.cc: Include "descriptors.h".
10226         (Output_file::open): Use open_descriptor rather than open.
10227         * archive.cc (Archive::const_iterator): Change Archive to be
10228         non-const.
10229         (Archive::begin, Archive::end): Make non-const.
10230         (Archive::count_members): Likewise.
10231         * archive.h (class Archive): Update declarations.
10232         * object.h (Object::read): Make non-const.
10233         * Makefile.am (CCFILES): Add descriptors.cc.
10234         (HFILES): Add descriptors.h.
10235         * Makefile.in: Rebuild.
10236
10237         PR 6716
10238         * gold.h: Always include <clocale>.  Add Solaris workarounds
10239         following code in binutils/sysdep.h.
10240
10241         PR 6048
10242         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10243         this->eh_frame_hdr_ is NULL before using it.
10244
10245         * dynobj.cc (Versions::Versions): Update comment.
10246
10247         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10248         the base version name.
10249
10250         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10251         array size plus one.
10252         (Stringpool_template::set_string_offsets): Subtract one from key
10253         before using it as an array index.
10254         (Stringpool_template::get_offset_with_length): Likewise.
10255         (Stringpool_template::write_to_buffer): Likewise.
10256         * stringpool.h (Stringpool_template::get_offset_from_key):
10257         Likewise.
10258
10259 2008-07-23  Ian Lance Taylor  <iant@google.com>
10260
10261         PR 6658
10262         * object.h (Merged_symbol_value::value): Do our best to handle a
10263         negative addend.
10264
10265         PR 6647
10266         * script.cc (Version_script_info::get_versions): Don't add empty
10267         version tag to return value.
10268         (Version_script_info::get_symbol_version_helper): Change return
10269         type to bool.  Add pversion parameter.  Change all callers.
10270         (script_register_vers_node): Don't require a non-NULL tag.
10271         * script.h (class Version_script_info): Update declarations.
10272         (Version_script_info::get_symbol_version): Change return type to
10273         bool.  Add version parameter.  Change all callers.
10274         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10275         handling.  Handle an empty version from a version script.
10276         (Symbol_table::define_special_symbol): Likewise.
10277         * testsuite/ver_test_10.script: New file.
10278         * testsuite/ver_test_10.sh: New file.
10279         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10280         (check_DATA): Add ver_test_10.syms.
10281         (ver_test_10.syms, ver_test_10.so): New target.
10282         * testsuite/Makefile.in: Rebuild.
10283
10284 2008-07-23  Simon Baldwin  <simonb@google.com>
10285
10286         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10287         to zero for undefined symbols from dynamic libraries.
10288
10289 2008-07-23  Ian Lance Taylor  <iant@google.com>
10290
10291         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10292         Change all callers.
10293         * symtab.h (class Symbol_table): Update declaration.
10294         * testsuite/ver_test_9.cc: New file.
10295         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10296         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10297         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10298         (ver_test_9.so, ver_test_9.o): New targets.
10299         * testsuite/Makefile.in: Rebuild.
10300
10301 2008-07-22  Ian Lance Taylor  <iant@google.com>
10302
10303         * options.h (class General_options): Define --check-sections.
10304         * layout.cc (Layout::set_segment_offsets): Handle
10305         --check-sections.
10306
10307         * options.h (class General_options): Define -n/--nmagic and
10308         -N/--omagic.
10309         * options.cc (General_options::finalize): For -n/--nmagic or
10310         -N/--omagic, set -static.
10311         * layout.cc (Layout::attach_allocated_section_to_segment): If
10312         -N/--omagic, don't put read-only and read-write sections in
10313         different segments.
10314         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10315         finding a read-only segment.
10316         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10317         don't set the minimum segment alignment to the common page size,
10318         and don't set the file offset to the address modulo the page size.
10319         * script-sections.cc (Script_sections::create_segments): If
10320         -n/--omagic, don't put read-only and read-write sections in
10321         different segments.
10322
10323         * cref.cc: New file.
10324         * cref.h: New file.
10325         * options.h (class General_options): Add --print-symbol-counts.
10326         * main.cc (main): Issue defined symbol report if requested.
10327         * archive.cc (Archive::interpret_header): Make into a const member
10328         function.
10329         (Archive::add_symbols): Call Input_objects::archive_start and
10330         archive_stop.
10331         (Archive::const_iterator): Define new class.
10332         (Archive::begin, Archive::end): New functions.
10333         (Archive::include_all_members): Rewrite to use iterator.
10334         (Archive::count_members): New function.
10335         * archive.h (class Archive): Update declarations.
10336         (Archive::filename): New function.
10337         * object.cc: Include "cref.h".
10338         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10339         (Sized_relobj::do_get_global_symbol_counts): New function.
10340         (Input_objects::add_object): Add object to cross-referencer.
10341         (Input_objects::archive_start): New function.
10342         (Input_objects::archive_stop): New function.
10343         (Input_objects::print_symbol_counts): New function.
10344         * object.h: Declare Cref and Archive.
10345         (Object::get_global_symbol_counts): New function.
10346         (Object::do_get_global_symbol_counts): New pure virtual function.
10347         (class Sized_relobj): Add defined_count_ field.  Update
10348         declarations.
10349         (class Input_objects): Add cref_ field.  Update constructor.
10350         Update declarations.
10351         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10352         defined_count_.
10353         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10354         symbol counts.
10355         (Sized_dynobj::do_get_global_symbol_counts): New function.
10356         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10357         defined_count_.  Update declarations.  Define Symbols typedef.
10358         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10359         parameter.  Change all callers.
10360         (Symbol_table::add_from_dynobj): Add sympointers and defined
10361         parameters.  Change all callers.
10362         * symtab.h (class Symbol_table): Update declarations.
10363         * Makefile.am (CCFILES): Add cref.cc.
10364         (HFILES): Add cref.h.
10365         * Makefile.in: Rebuild.
10366
10367 2008-07-22  Simon Baldwin  <simonb@google.com>
10368
10369         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10370         to zero when writing undefined symbols.
10371
10372 2008-07-22  Ian Lance Taylor  <iant@google.com>
10373
10374         * output.cc (Output_section::add_input_section): Don't try to
10375         merge empty merge sections.
10376
10377 2008-07-21  Craig Silverstein  <csilvers@google.com>
10378
10379         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10380         Include symbol version in error message.
10381
10382 2008-07-20  Chris Demetriou  <cgd@google.com>
10383
10384         * configure.ac (gold_cv_c_random_seed): New configured variable.
10385         (RANDOM_SEED_CFLAGS): New substituted variable.
10386         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10387         * configure: Rebuild.
10388         * Makefile.in: Likewise.
10389         * testsuite/Makefile.in: Likewise.
10390
10391 2008-07-18  Ian Lance Taylor  <iant@google.com>
10392
10393         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10394         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10395         * testsuite/ver_test_main.cc (main): Call t4.
10396         (t4, t4_2a): Define.
10397         * testsuite/ver_test_2.cc (t4_2): Define.
10398         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10399         * testsuite/ver_test_4.cc (t4_2a): Define.
10400         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10401         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10402
10403 2008-07-17  Ian Lance Taylor  <iant@google.com>
10404
10405         * dynobj.cc (Versions::add_def): If we give an error about a
10406         missing version, go ahead and create the version anyhow.
10407
10408 2008-07-10  Ian Lance Taylor  <iant@google.com>
10409
10410         Handle output sections with more than 0x7fffffff bytes.
10411         * object.h (class Relobj): Change map_to_output_ to
10412         output_sections_, and just keep a section pointer.  Change all
10413         uses.  Move comdat group support to Sized_relobj.
10414         (Relobj::is_section_specially_mapped): Remove.
10415         (Relobj::output_section): Remove poff parameter.  Change all
10416         callers.
10417         (Relobj::output_section_offset): New function.
10418         (Relobj::set_section_offset): Rewrite.
10419         (Relobj::map_to_output): Remove.
10420         (Relobj::output_sections): New function.
10421         (Relobj::do_output_section_offset): New pure virtual function.
10422         (Relobj::do_set_section_offset): Likewise.
10423         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10424         group support from Relobj.  Update declarations.
10425         (Sized_relobj::get_output_section_offset): New function.
10426         (Sized_relobj::do_output_section_offset): New function.
10427         (Sized_relobj::do_set_section_offset): New function.
10428         * object.cc (Relobj::output_section_address): Remove.
10429         (Sized_relobj::Sized_relobj): Initialize new fields.
10430         (Sized_relobj::include_section_group): Cast find_kept_object to
10431         Sized_relobj.
10432         (Sized_relobj::include_linkonce_section): Likewise.
10433         (Sized_relobj::do_layout): Use separate arrays for output section
10434         and output offset.
10435         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10436         output_sections.
10437         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10438         output_sections and section_offsets.
10439         (Sized_relobj::write_local_symbols): Likewise.
10440         (map_to_kept_section): Compute output address directly.
10441         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10442         output_sections and section_offsets.
10443         (Sized_relobj::write_sections): Likewise.
10444         (Sized_relobj::relocate_sections): Likewise.
10445         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10446         * output.h (class Output_reloc): Update declarations.  Change
10447         u2_.relobj to Sized_relobj*.
10448         (class Output_data_reloc): Change add functions to use
10449         Sized_relobj*.
10450         * output.cc (Output_reloc::Output_reloc): Change relobj to
10451         Sized_relobj*.
10452         (Output_reloc::local_section_offset): Change return type to
10453         Elf_Addr.  Use get_output_section_offset.
10454         (Output_reloc::get_address): Likewise.
10455         (Output_section::is_input_address_mapped): Don't call
10456         is_section_specially_mapped.
10457         (Output_section::output_offset): Likewise.
10458         (Output_section::output_address): Likewise.
10459         (Output_section::starting_output_address): Likewise.
10460         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10461         parameter to Sized_relobj*.
10462         (Copy_relocs::need_copy_reloc): Likewise.
10463         (Copy_relocs::save): Likewise.
10464         * copy-relocs.h (class Copy_relocs): Update declarations.
10465         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10466         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10467         * target-reloc.h (relocate_for_relocatable): Change
10468         offset_in_output_section type to Elf_Addr.  Change code that uses
10469         it as well.
10470         * layout.cc (Layout::layout): Always set *off.
10471         * mapfile.cc (Mapfile::print_input_section): Use
10472         output_section_offset.
10473         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10474         Sized_relobj*.
10475         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10476         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10477         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10478
10479 2008-07-03  Ian Lance Taylor  <iant@google.com>
10480
10481         * layout.cc (Layout::include_section): Do not discard unrecognized
10482         SHT_STRTAB sections.
10483
10484 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10485
10486         * script.cc (Lex::can_continue_name): Make '?' allowable in
10487         version-script names.
10488         * testsuite/version_script.map: Change glob pattern to use '?'
10489
10490 2008-06-30  Manish Singh  <yosh@gimp.org>
10491
10492         PR 6585
10493         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10494         Correct typo.
10495
10496 2008-06-30  Ian Lance Taylor  <iant@google.com>
10497
10498         PR 6660
10499         PR 6682
10500         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10501         versions]: Don't try to read the value in the contents, since we
10502         don't use it.  Use the template endianness when writing.
10503
10504 2008-06-25  Cary Coutant  <ccoutant@google.com>
10505
10506         * fileread.cc (File_read::make_view): Assert on zero-length view.
10507         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10508         symbol table when there are no symbols to read.
10509
10510 2008-06-23  Craig Silverstein  <csilvers@google.com>
10511
10512         * version.cc (version_string): Bump to 1.7
10513
10514 2008-06-18  Craig Silverstein  <csilvers@google.com>
10515
10516         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10517         constant 0xFFFF to type Valtype.
10518         (Powerpc_relocate_functions::rel16_ha): Likewise.
10519
10520 2008-06-17  Ian Lance Taylor  <iant@google.com>
10521
10522         * output.h (Output_section::Input_section): Initialize p2align_ to
10523         zero for Output_section_data constructors.
10524         (Output_section::Input_section::addralign): If not an input
10525         section, return the alignment of the Output_section_data.
10526         * testsuite/copy_test.cc: New file.
10527         * testsuite/copy_test_1.cc: New file.
10528         * testsuite/copy_test_2.cc: New file.
10529         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10530         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10531         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10532         (copy_test_1_pic.o, copy_test_1.so): New targets.
10533         (copy_test_2_pic.o, copy_test_2.so): New targets.
10534         * testsuite/Makefile.in: Rebuild.
10535
10536         * script-sections.cc (Script_sections::place_orphan): Initialize
10537         local variable exact.
10538
10539 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10540
10541         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10542
10543 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10544             David S. Miller  <davem@davemloft.net>
10545
10546         * powerpc.cc: New file.
10547         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10548         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10549         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10550         * Makefile.in: Rebuild.
10551
10552 2008-06-09  Ian Lance Taylor  <iant@google.com>
10553
10554         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10555         <exception>.
10556         (throwing, orig_terminate): New static variables.
10557         (terminate_handler): New static function.
10558         (t2): Set terminate handler.
10559
10560 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10561
10562         PR 6584
10563         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10564         alignment.
10565
10566 2008-05-30  Cary Coutant  <ccoutant@google.com>
10567
10568         * archive.cc (Archive::include_all_members) Correct to step
10569         over symbol table and extended name table in thin archives.
10570
10571 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10572
10573         PR 6407
10574         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10575         calculation.
10576
10577 2008-05-28  Caleb Howe  <cshowe@google.com>
10578
10579         * reduced_debug_output.cc: New file.
10580         * reduced_debug_output.h: New file.
10581         * options.h (class General_options): Add --strip-debug-non-line.
10582         * options.cc (General_options::finalize): Add strip_debug_non_line
10583         to the strip heirarchy.
10584         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10585         fields.
10586         * layout.cc: Include "reduced_debug_output.h".
10587         (Layout::Layout): Initialize new fields.
10588         (line_only_debug_sections): New static array.
10589         (is_lines_only_debug_sections): New static inline function.
10590         (Layout::include_section): Handle --strip-debug-non-line.
10591         (Layout::make_output_section): If --strip-debug-non-line, build
10592         new output sections for .debug_abbrev and .debug_info.
10593         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10594         gold.  Warn about possible overflow.
10595         (read_signed_LEB_128): Likewise.
10596         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10597         (read_signed_LEB_128): Declare.
10598         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10599         (HFILES): Add reduced_debug_output.h.
10600         * Makefile.in: Rebuild.
10601
10602 2008-05-21  Ian Lance Taylor  <iant@google.com>
10603
10604         * mapfile.cc: New file.
10605         * mapfile.h: New file.
10606         * options.h (class General_options): Add -M/--print-map and -Map.
10607         * options.cc (General_options::finalize): Make -M equivalent to
10608         -Map -.
10609         * main.cc: Include <cstdio> and "mapfile.h".
10610         (main): Open mapfile if requested.
10611         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10612         constructor.  Change caller.
10613         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10614         (queue_middle_tasks): Likewise.
10615         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10616         declarations.
10617         * archive.cc: Include "mapfile.h".
10618         (Archive::add_symbols): Add mapfile parameter.  Change all
10619         callers.  Pass mapfile, symbol, and reason to include_member.
10620         (Archive::include_all_members): Add mapfile parameter.  Change all
10621         callers.
10622         (Archive::include_member): Add mapfile, sym, and why parameters.
10623         Change all callers.  Report inclusion to map file.
10624         * archive.h: Include "fileread.h".
10625         (class Archive): Update declarations.
10626         (Archive::file): New const method.
10627         (class Add_archive_symbols): Add mapfile_ field.  Update
10628         constructor.  Change all callers.
10629         * readsyms.h (class Read_symbols): Likewise.
10630         (class Finish_group): Likewise.
10631         (class Read_script): Likewise.
10632         * common.cc: Include "mapfile.h".
10633         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10634         all callers.
10635         (Symbol_table::do_allocate_commons): Likewise.
10636         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10637         symbol allocation to mapfile.
10638         * common.h (class Allocate_commons_task): Add mapfile_ field.
10639         Update constructor.  Change all callers.
10640         * symtab.h (class Symbol_table): Update declarations.
10641         * layout.cc: Include "mapfile.h".
10642         (Layout_task_runner::run): Print information to mapfile.
10643         (Layout::create_gold_note): Change Output_data_fixed_space to
10644         Output_data_zero_fill.
10645         (Layout::create_build_id): Likewise.
10646         (Layout::print_to_mapfile): New function.
10647         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10648         constructor.  Change caller.
10649         (class Layout): Declare print_to_mapfile.
10650         * output.cc (Output_section::Input_section::print_to_mapfile): New
10651         function.
10652         (Output_section::add_input_section): If producing a map, always
10653         add to input_sections_ list.
10654         (Output_section::do_print_to_mapfile): New function.
10655         (Output_segment::print_sections_to_mapfile): New function.
10656         (Output_segment::print_section_list_to_mapfile): New function.
10657         * output.h: Include "mapfile.h".
10658         (Output_data::print_to_mapfile): New function.
10659         (Output_data::do_print_to_mapfile): New virtual function.
10660         (Output_segment_headers::do_print_to_mapfile): New function.
10661         (Output_file_header::do_print_to_mapfile): New function.
10662         (Output_data_const::do_print_to_mapfile): New function.
10663         (class Output_data_const_buffer): Add map_name_ field.  Update
10664         constructor.  Change all callers.  Add do_print_to_mapfile
10665         function.
10666         (class Output_data_fixed_space): Likewise.
10667         (class Output_data_space): Likewise.
10668         (class Output_data_zero_fill): New class.
10669         (Output_data_strtab::do_print_to_mapfile): New function.
10670         (Output_data_reloc_base::do_print_to_mapfile): New function.
10671         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10672         (Output_data_group::do_print_to_mapfile): New function.
10673         (Output_data_got::do_print_to_mapfile): New function.
10674         (Output_data_dynamic::do_print_to_mapfile): New function.
10675         (Output_symtab_xindex::do_print_to_mapfile): New function.
10676         (class Output_section): Declare do_print_to_mapflie.  Declare
10677         print_to_mapfile in Input_section.
10678         (class Output_segment): Declare new functions.
10679         * object.h (Sized_relobj::symbol_count): New function.
10680         * script-sections.cc
10681         (Output_section_element_dot_assignment::set_section_addresses):
10682         Change Output_data_fixed_space to Output_data_zero_fill.
10683         (Output_data_expression::do_print_to_mapfile): New function.
10684         * script.cc (read_input_script): Add mapfile parameter.  Change
10685         all callers.
10686         * script.h (read_input_script): Update declaration.
10687         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10688         (Eh_frame::do_print_to_mapfile): New function.
10689         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10690         (Output_merge_string::do_print_to_mapfile): New function.
10691         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10692         function.
10693         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10694         function.
10695         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10696         function.
10697         * Makefile.am (CCFILES): Add mapfile.cc.
10698         (HFILES): Add mapfile.h.
10699         * Makefile.in: Rebuild.
10700
10701 2008-05-19  Ian Lance Taylor  <iant@google.com>
10702
10703         * options.h (class General_options): Add -z relro.
10704         * layout.cc (Layout::Layout): Initialize relro_segment_.
10705         (Layout::add_output_section_data): Return the output section.
10706         (Layout::make_output_section): Rcognize relro sections and mark
10707         them appropriately.
10708         (Layout::attach_allocated_section_to_segment): Put relro sections
10709         in a PT_GNU_RELRO segment.
10710         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10711         section as relro.
10712         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10713         PT_TLS segments.
10714         (Layout::linkonce_mapping): Map d.rel.ro.local to
10715         .data.rel.ro.local.
10716         (Layout::output_section_name): Us .data.rel.ro.local for any
10717         section which begins with that.
10718         * layout.h (class Layout): Update add_output_section_data
10719         declaration.  Add relro_segment_ field.
10720         * output.cc (Output_section::Output_section): Initialize is_relro_
10721         and is_relro_local_ fields.
10722         (Output_segment::add_output_section): Group relro sections.
10723         (Output_segment::is_first_section_relro): New function.
10724         (Output_segment::maximum_alignment): If there is a relro section,
10725         align the segment to the common page size.
10726         (Output_segment::set_section_addresses): Track whether we are
10727         looking at relro sections.  If the last section is a relro
10728         section, align to the common page size.
10729         (Output_segment::set_section_list_addresses): Add in_relro
10730         parameter.  Change all callers.  Align to the page size when
10731         moving from relro to non-relro section.
10732         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10733         segment.
10734         * output.h (class Output_section): Add is_relro_ and
10735         is_relro_local_ fields.
10736         (Output_section::is_relro): New function.
10737         (Output_section::set_is_relro): New function.
10738         (Output_section::is_relro_local): New function.
10739         (Output_section::set_is_relro_local): New function.
10740         (class Output_segment): Update declarations.
10741         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10742         * sparc.cc (Target_sparc::got_section): Likewise.
10743         * x86_64.cc (Target_x86_64::got_section): Likewise.
10744         * testsuite/relro_test_main.cc: New file.
10745         * testsuite/relro_test.cc: New file.
10746         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10747         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10748         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10749         (relro_test.so, relro_test_pic.o): New targets.
10750         * testsuite/Makefile.in: Rebuild.
10751
10752 2008-05-16  Ian Lance Taylor  <iant@google.com>
10753
10754         * output.cc (Output_segment::add_output_section): Remove front
10755         parameter.
10756         * output.h (class Output_segment): Remove
10757         add_initial_output_section and overloaded add_output_section.
10758         Update declaration of remaining add_output_section.
10759         * layout.cc (Layout::create_interp): Call add_output_section
10760         rather than add_initial_output_section.
10761         (Layout::finish_dynamic_section): Likewise.
10762
10763         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10764         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10765         know the dynamic type.
10766         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10767         field.  Initialize it in constructor.
10768         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10769         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10770         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10771         reloc.
10772
10773         * output.cc (Output_reloc::get_address): Change return type to
10774         Elf_Addr.
10775         * output.h (class Output_reloc): Update get_address declaration.
10776         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10777         for section addresses.
10778
10779 2008-05-09  Ian Lance Taylor  <iant@google.com>
10780
10781         PR 6493
10782         * gold.cc (gold_nomem): Use return value of write.
10783
10784 2008-05-08  Ian Lance Taylor  <iant@google.com>
10785
10786         * symtab.c (Symbol::init_base_output_data): Add version
10787         parameter.  Change all callers.
10788         (Symbol::init_base_output_segment): Likewise.
10789         (Symbol::init_base_constant): Likewise.
10790         (Symbol::init_base_undefined): Likewise.
10791         (Sized_symbol::init_output_data): Likewise.
10792         (Sized_symbol::init_output_segment): Likewise.
10793         (Sized_symbol::init_constant): Likewise.
10794         (Sized_symbol::init_undefined): Likewise.
10795         (Symbol_table::do_define_in_output_data): If the new symbol has a
10796         version, mark it as the default.
10797         (Symbol_table::do_define_in_output_segment): Likewise.
10798         (Symbol_table::do_define_as_constant): Likewise.
10799         * symtab.h (class Symbol): Update declarations.
10800         (class Sized_symbol): Likewise.
10801         * resolve.cc (Symbol::override_version): New function.
10802         (Symbol::override_base): Call override_version.
10803         (Symbol::override_base_with_special): Likewise.
10804         * testsuite/ver_script_8.script: New file.
10805         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10806         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10807         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10808         (ver_test_8_1.so, ver_test_8_2.so): New targets.
10809
10810 2008-05-06  Ian Lance Taylor  <iant@google.com>
10811
10812         PR 6049
10813         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10814         functions.
10815         (class General_options): Remove existing --undefined, and add
10816         --no-undefined instead.  Add new --undefined as synonym for -u.
10817         * archive.cc (Archive::add_symbols): Check whether symbol was
10818         named with -u.
10819         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10820         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10821         all uses.  Add IS_UNDEFINED.  Update declarations to split
10822         different versions of init_base.  Declare init_base_undefined.
10823         (Symbol::is_defined): Handle IS_UNDEFINED.
10824         (Symbol::is_undefined): Likewise.
10825         (Symbol::is_weak_undefined): Call is_undefined.
10826         (Symbol::is_absolute): Handle IS_CONSTANT.
10827         (class Sized_symbol): Update declarations to split different
10828         versions of init.  Declare init_undefined.
10829         (class Symbol_table): Declare new functions.
10830         * symtab.cc (Symbol::init_base_object): Rename from init_base.
10831         Change all callers.
10832         (Symbol::init_base_output_data): Likewise.
10833         (Symbol::init_base_output_segment): Likewise.
10834         (Symbol::init_base_constant): Likewise.
10835         (Symbol::init_base_undefined): New function.
10836         (Sized_symbol::init_object): Rename from init.  Change all
10837         callers.
10838         (Sized_symbol::init_output_data): Likewise.
10839         (Sized_symbol::init_output_segment): Likewise.
10840         (Sized_symbol::init_constant): Likewise.
10841         (Sized_symbol::init_undefined): New function.
10842         (Symbol_table::add_undefined_symbols_from_command_line): New
10843         function.
10844         (Symbol_table::do_add_undefined_symbols_from_command_line): New
10845         function.
10846         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
10847         (Symbol::output_section): Likewise.
10848         (Symbol::set_output_section): Likewise.
10849         (Symbol_table::sized_finalize_symbol): Likewise.
10850         (Symbol_table::sized_write_globals): Likewise.
10851         * resolve.cc (Symbol_table::should_override): Likewise.
10852         (Symbol::override_base_with_special): Likewise.
10853
10854         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
10855         symbol, change it to have default visibility.
10856         * testsuite/protected_1.cc: New file.
10857         * testsuite/protected_2.cc: New file.
10858         * testsuite/protected_3.cc: New file.
10859         * testsuite/protected_main_1.cc: New file.
10860         * testsuite/protected_main_2.cc: New file.
10861         * testsuite/protected_main_3.cc: New file.
10862         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
10863         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
10864         (protected_1_LDFLAGS, protected_1_LDADD): Define.
10865         (protected_1.so): New target.
10866         (protected_1_pic.o, protected_2_pic.o): New targets.
10867         (protected_3_pic.o): New target.
10868         (check_PROGRAMS): Add protected_2.
10869         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
10870         (protected_2_LDFLAGS, protected_2_LDADD): Define.
10871         * testsuite/Makefile.in: Rebuild.
10872
10873         * options.h (DEFINE_var): Add set_user_set_##varname__.
10874         (DEFINE_bool_alias): New macro.
10875         (class General_options): Define -Bstatic using DEFINE_bool_alias
10876         rather than DEFINE_special.  Add --undefined as an alias for -z
10877         defs.
10878         * options.cc (General_options::parse_Bstatic): Remove.
10879
10880         * options.h (class General_options): Add --fatal-warnings.
10881         * main.cc (main): Implement --fatal-warnings.
10882         * errors.h (Errors::warning_count): New function.
10883
10884         * options.h (class General_options): Add -Bsymbolic-functions.
10885         * symtab.h (Symbol::is_preemptible): Check for
10886         -Bsymbolic-functions.
10887
10888 2008-05-05  Ian Lance Taylor  <iant@google.com>
10889
10890         * options.h (DEFINE_bool): For DASH_Z, create the negative option
10891         as noVARNAME rather than no-VARNAME.
10892         (class General_options): Add option -z combreloc.
10893         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
10894         get_address.
10895         (Output_reloc::sort_before) [SHT_REL]: New function.
10896         (Output_reloc::sort_before) [SHT_RELA]: New function.
10897         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
10898         Sort_relocs_comparison.
10899         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
10900         parameter.  Change all callers.
10901         (Output_data_reloc::Output_data_reloc) [both versions]: Add
10902         sort_relocs parameter.  Change all callers.
10903         * output.cc (Output_reloc::get_address): New function, broken out
10904         of write_rel.
10905         (Output_reloc::write_rel): Call it.
10906         (Output_reloc::compare): New function.
10907         (Output_data_reloc_base::do_write): Optionally sort relocs.
10908
10909         * configure.ac: If targ_extra_obj is set, link it in.
10910         * configure.tgt: Initialize all variables.
10911         (x86_64*): Set targ_extra_obj and targ_extra_size.
10912         * configure: Rebuild.
10913
10914         * object.cc (Sized_relobj::include_section_group): Adjust section
10915         indexes read from group data.  Build vector to pass to
10916         layout_group.
10917         * layout.cc (Layout::layout_group): Add flags and shndxes
10918         parameters.  Remove contents parameter.  Change caller.  Update
10919         explicit instantiations.
10920         * layout.h (class Layout): Update layout_group declaration.
10921         * output.cc (Output_data_group::Output_data_group): Add flags and
10922         input_shndxes parameters.  Remove contents parameter.  Change
10923         caller.
10924         (Output_data_group::do_write): Change input_sections_ to
10925         input_shndxes_.
10926         * output.h (class Output_data_group): Update constructor
10927         declaration.  Rename input_sections_ to input_shndxes_.
10928         * testsuite/many_sections_test.cc: Add template.
10929
10930 2008-04-30  Cary Coutant  <ccoutant@google.com>
10931
10932         * target-reloc.h (relocate_section): Fix dead-pointer bug.
10933
10934         * layout.cc (Layout::include_section): Refactored check for debug
10935         info section.
10936         (Layout::add_comdat): Add new parameters.  Change type
10937         of signature parameter.  Add object and shndx to signatures table.
10938         (Layout::find_kept_object): New function.
10939         * layout.h: Include <cstring>.
10940         (Layout::is_debug_info_section): New function.
10941         (Layout::add_comdat): Add new parameters.
10942         (Layout::find_kept_object): New function.
10943         (Layout::Kept_section): New struct.
10944         (Layout::Signatures): Change type of map range.
10945         * object.cc (Relobj::output_section_address): New function.
10946         (Sized_relobj::include_section_group): Add new parameters.  Change
10947         calls to Layout::add_comdat.  Change to build table of kept comdat
10948         groups and table mapping discarded sections to kept sections.
10949         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
10950         (Sized_relobj::do_layout): Change calls to include_section_group and
10951         include_linkonce_section.
10952         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
10953         value to zero when section is discarded.
10954         (Sized_relobj::map_to_kept_section): New function.
10955         * object.h (Relobj::output_section_address): New function.
10956         (Relobj::Comdat_group): New type.
10957         (Relobj::find_comdat_group): New function.
10958         (Relobj::Comdat_group_table): New type.
10959         (Relobj::Kept_comdat_section): New type.
10960         (Relobj::Kept_comdat_section_table): New type.
10961         (Relobj::add_comdat_group): New function.
10962         (Relobj::set_kept_comdat_section): New function.
10963         (Relobj::get_kept_comdat_section): New function.
10964         (Relobj::comdat_groups_): New field.
10965         (Relobj::kept_comdat_sections_): New field.
10966         (Symbol_value::input_value): Update comment.
10967         (Sized_relobj::map_to_kept_section) New function.
10968         (Sized_relobj::include_linkonce_section): Add new parameter.
10969         * target-reloc.h (Comdat_behavior): New type.
10970         (get_comdat_behavior): New function.
10971         (relocate_section): Add code to map a discarded section to the
10972         corresponding kept section when applying a relocation.
10973
10974 2008-04-30  Craig Silverstein  <csilvers@google.com>
10975
10976         * dwarf_reader.cc (next_generation_count): New static var.
10977         (Addr2line_cache_entry): New struct.
10978         (addr2line_cache): New static var.
10979         (Dwarf_line_info::one_addr2line): Added caching.
10980         (Dwarf_line_info::clear_addr2line_cache): New function.
10981         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
10982         cache-size parameter.
10983         (Dwarf_line_info::one_addr2line_cache): New function.
10984         * symtab.cc (Symbol_table::detect_odr_violations): Pass
10985         new cache-size argument to one_addr2line(), and clear cache.
10986
10987 2008-04-28  Cary Coutant  <ccoutant@google.com>
10988
10989         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
10990         R_386_PC8 relocations.
10991
10992 2008-04-23  Ian Lance Taylor  <iant@google.com>
10993
10994         * object.cc (Sized_relobj::include_section_group): Check for
10995         invalid section group.
10996
10997         * object.cc (make_elf_object): Correct test for 64-bit ELF file
10998         header size.
10999
11000         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11001         than read for file header.
11002         * archive.cc (Archive::include_member): Likewise.
11003
11004 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11005
11006         * aclocal.m4: Regenerate.
11007         * configure: Regenerate.
11008
11009 2008-04-19  Ian Lance Taylor  <iant@google.com>
11010
11011         * version.cc (version_string): Bump to 1.6.
11012
11013         * testsuite/Makefile.am (many_sections_r_test): New target.
11014         (many_sections_r_test_SOURCES): Remove.
11015         (many_sections_r_test_DEPENDENCIES): Remove.
11016         (many_sections_r_test_LDFLAGS): Remove.
11017         (many_sections_r_test_LDADD): Remove.
11018
11019         * object.cc (Sized_relobj::do_add_symbols): Always pass
11020         local_symbol_count_ to add_from_relobj.
11021
11022         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11023         every thousand variables.
11024         * testsuite/Makefile.in: Rebuild.
11025
11026         * object.cc (Xindex::initialize_symtab_xindex): New function.
11027         (Xindex::read_symtab_xindex): New function.
11028         (Xindex::sym_xindex_to_shndx): New function.
11029         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11030         available.
11031         (Sized_relobj::do_initialize_xindex): New function.
11032         (Sized_relobj::do_read_symbols): Adjust section links.
11033         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11034         parameter.  Change all callers.
11035         (Sized_relobj::include_section_group): Adjust section links and
11036         symbol section indexes.
11037         (Sized_relobj::do_layout): Adjust section links.
11038         (Sized_relobj::do_count_local_symbols): Adjust section links and
11039         symbol section indexes.
11040         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11041         ordinary and special symbols.
11042         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11043         dynsym_xindex parameters.  Change all callers.  Adjust section
11044         links.  Use SHN_XINDEX when needed.
11045         (Sized_relobj::get_symbol_location_info): Adjust section links.
11046         Don't get fooled by special symbols.
11047         * object.h (class Xindex): Define.
11048         (class Object): Add xindex_ parameter.  Declare virtual functoin
11049         do_initialize_xindex.
11050         (Object::adjust_sym_shndx): New function.
11051         (Object::set_xindex): New protected function.
11052         (class Symbol_value): Add is_ordinary_shndx_ field.
11053         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11054         (Symbol_value::value): Assert ordinary section.
11055         (Symbol_value::initialize_input_to_output_map): Likewise.
11056         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11057         Change all callers.
11058         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11059         all callers.
11060         (class Sized_relobj): Update declarations.
11061         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11062         parameter.  Change all callers.
11063         (Sized_relobj::adjust_shndx): New function.
11064         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11065         field.
11066         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11067         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11068         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11069         (Sized_dynobj::read_dynsym_section): Adjust section links.
11070         (Sized_dynobj::read_dynamic): Likewise.
11071         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11072         section links.
11073         (Sized_dynobj::do_initialize_xindex): New function.
11074         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11075         do_initialize_xindex.
11076         (Sized_dynobj::adjust_shndx): New function.
11077         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11078         dynsym_xindex_ fields.
11079         (Layout::finalize): Add a call to set_section_indexes before
11080         creating the symtab sections.
11081         (Layout::set_section_indexes): Don't do anything if the section
11082         already has a section index.
11083         (Layout::create_symtab_sections): Add shnum parameter.  Change
11084         caller.  Create .symtab_shndx section if needed.
11085         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11086         caller.
11087         (Layout::allocated_output_section_count): New function.
11088         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11089         needed.
11090         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11091         fields.  Update declarations.
11092         (Layout::symtab_xindex): New function.
11093         (Layout::dynsym_xindex): New function.
11094         (class Write_symbols_task): Add layout_ field.
11095         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11096         Change caller.
11097         * output.cc (Output_section_headers::Output_section_headers): Add
11098         shstrtab_section parameter.  Change all callers.
11099         (Output_section_headers::do_sized_write): Store overflow values
11100         for section count and section string table section index in
11101         section header zero.
11102         (Output_file_header::do_sized_write): Check for overflow of
11103         section count and section string table section index.
11104         (Output_symtab_xindex::do_write): New function.
11105         (Output_symtab_xindex::endian_do_write): New function.
11106         * output.h (class Output_section_headers): Add shstrtab_section_.
11107         Update declarations.
11108         (class Output_symtab_xindex): Define.
11109         (Output_section::has_out_shndx): New function.
11110         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11111         field.
11112         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11113         Change all callers.
11114         (Sized_symbol::init): Likewise.
11115         (Symbol::output_section): Check for ordinary symbol.
11116         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11117         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11118         callers.
11119         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11120         Change all callers.  Simplify handling of symbols from sections
11121         not included in the link.
11122         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11123         distinction.
11124         (Weak_alias_sorter::operator()): Assert that symbols are
11125         ordinary.
11126         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11127         distinction.
11128         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11129         parameters.  Change all callers.
11130         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11131         symbol distinction.  Use SHN_XINDEX when needed.
11132         (Symbol_table::write_section_symbol): Add symtab_xindex
11133         parameter.  Change all callers.
11134         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11135         SHN_XINDEX when needed.
11136         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11137         declarations.
11138         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11139         (Symbol::is_defined): Check is_ordinary.
11140         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11141         (Symbol::is_absolute, Symbol::is_common): Likewise.
11142         (class Sized_symbol): Update declarations.
11143         (class Symbol_table): Update declarations.
11144         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11145         parameters.  Change all callers.
11146         (Sized_symbol::override): Likewise.
11147         (Symbol_table::override): Likewise.
11148         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11149         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11150         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11151         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11152         to be in an ordinary section.
11153         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11154         object and is_ordinary parameters.  Change all callers.
11155         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11156         Change all callers.  Don't add undefined or non-ordinary symbols
11157         to reloc_map_.
11158         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11159         Change all callers.
11160         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11161         declarations.
11162         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11163         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11164         (Sized_relobj::relocate_sections): Likewise.
11165         * target-reloc.h (scan_relocs): Adjust section symbol index.
11166         (scan_relocatable_relocs): Likewise.
11167         * i386.cc (Scan::local): Check for ordinary symbols.
11168         * sparc.cc (Scan::local): Likewise.
11169         * x86_64.cc (Scan::local): Likewise.
11170         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11171         to symbol_section_and_value.
11172         * testsuite/many_sections_test.cc: New file.
11173         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11174         (check_PROGRAMS): Add many_sections_test.
11175         (many_sections_test_SOURCES): Define.
11176         (many_sections_test_DEPENDENCIES): Define.
11177         (many_sections_test_LDFLAGS): Define.
11178         (BUILT_SOURCES): Add many_sections_define.h.
11179         (many_sections_define.h): New target.
11180         (BUILT_SOURCES): Add many_sections_check.h.
11181         (many_sections_check.h): New target.
11182         (check_PROGRAMS): Add many_sections_r_test.
11183         (many_sections_r_test_SOURCES): Define.
11184         (many_sections_r_test_DEPENDENCIES): Define.
11185         (many_sections_r_test_LDFLAGS): Define.
11186         (many_sections_r_test_LDADD): Define.
11187         (many_sections_r_test.o): New target.
11188         * testsuite/Makefile.in: Rebuild.
11189
11190 2008-04-17  Cary Coutant  <ccoutant@google.com>
11191
11192         * errors.cc (Errors::info): New function.
11193         (gold_info): New function.
11194         * errors.h (Errors::info): New function.
11195         * gold.h (gold_info): New function.
11196         * object.cc (Input_objects::add_object): Print trace output.
11197         * options.cc (options::parse_set): New function.
11198         (General_options::parse_wrap): Deleted.
11199         (General_options::General_options): Deleted initializer.
11200         * options.h (options::String_set): New typedef.
11201         (options::parse_set): New function.
11202         (DEFINE_set): New macro.
11203         (General_options::wrap): Changed to use DEFINE_set. Changed
11204         callers of any_wrap_symbols and is_wrap_symbol.
11205         (General_options::trace, General_options::trace_symbol):
11206         New options.
11207         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11208         (General_options::wrap_symbols_): Deleted.
11209         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11210
11211 2008-04-17  David S. Miller  <davem@davemloft.net>
11212
11213         * options.cc (General_options::parse_V): New function.
11214         * options.h: Add entries for -V and -Qy.
11215
11216 2008-04-17  Ian Lance Taylor  <iant@google.com>
11217
11218         * common.cc (Symbol_table::allocate_commons): Remove options
11219         parameter.  Change caller.
11220         (Symbol_table::do_allocate_commons): Remove options parameter.
11221         Change caller.  Just call do_allocate_commons_list twice.
11222         (Symbol_table::do_allocate_commons_list): New function, broken out
11223         of do_allocate_commons.
11224         * common.h (class Allocate_commons_task): Remove options_ field.
11225         Update constructor.
11226         * symtab.cc (Symbol_table::Symbol_table): Initialize
11227         tls_commons_.
11228         (Symbol_table::add_from_object): Put TLS common symbols on
11229         tls_commons_ list.
11230         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11231         which are IN_OUTPUT_DATA.
11232         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11233         allocate_commons and do_allocate_commons declarations.  Declare
11234         do_allocate_commons_list.
11235         * gold.cc (queue_middle_tasks): Update creation of
11236         Allocate_commons_task to not pass options.
11237         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11238         (TLS_TEST_C_FLAGS): New variable.
11239         (tls_test_c_pic.o): New target.
11240         (tls_test_shared.so): Link in tls_test_c_pic.o.
11241         (tls_test_c_pic_ie.o): New target.
11242         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11243         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11244         (tls_test_c.o): New target.
11245         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11246         (tls_pic_test_LDADD): Likewise.
11247         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11248         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11249         (tls_test_c_gnu2.o): New target.
11250         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11251         tls_test_c_gnu2.o.
11252         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11253         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11254         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11255         * testsuite/tls_test.cc: Include "config.h".
11256         (t_last): Call t11_last.
11257         * testsuite/tls_test.h (t11, t11_last): Declare.
11258         * testsuite/tls_test_c.c: New file.
11259         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11260         * configure.ac: Check for OpenMP support.
11261         * configure, config.in, Makefile.in: Rebuild.
11262         * testsuite/Makefile.in: Rebuild.
11263
11264 2008-04-16  Cary Coutant  <ccoutant@google.com>
11265
11266         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11267         (Target_i386::tls_base_symbol_defined_): New field.
11268         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11269         (Target_i386::Scan::global): Likewise.
11270         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11271         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11272         (Target_x86_64::tls_base_symbol_defined_): New field.
11273         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11274         (Target_x86_64::Scan::global): Likewise.
11275
11276 2008-04-16  Cary Coutant  <ccoutant@google.com>
11277
11278         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11279         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11280         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11281         building shared libraries.
11282         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11283         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11284         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11285         * testsuite/Makefile.in: Rebuild.
11286         * testsuite/weak_undef.h: New file.
11287         * testsuite/weak_undef_file1.cc: Add extra test cases.
11288         * testsuite/weak_undef_file2.cc: Likewise.
11289         * testsuite/weak_undef_test.cc: Likewise.
11290
11291 2008-04-16  David S. Miller  <davem@davemloft.net>
11292
11293         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11294         Add issued_non_pic_error_ field.  Declare check_non_pic.
11295         (Target_sparc::Scan::check_non_pic): New function.
11296         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11297         (Target_sparc::Scan::global): Likewise.
11298
11299         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11300         * configure: Rebuild.
11301
11302         * options.h (DEFINE_enable): New macro.
11303         (new_dtags): New enable option.
11304         (initfirst, interpose, loadfltr, nodefaultlib,
11305         nodelete, nodlopen, nodump): New -z options.
11306         * layout.cc (Layout:finish_dynamic_section): If new
11307         dtags enabled, emit DT_RUNPATH.  Also, emit a
11308         DT_FLAGS_1 containing any specified -z flags.
11309
11310 2008-04-16  Ian Lance Taylor  <iant@google.com>
11311
11312         * copy-relocs.cc: New file.
11313         * copy-relocs.h: New file.
11314         * reloc.cc: Remove Copy_relocs code.
11315         * reloc.h: Likewise.
11316         * reloc-types.h (struct Reloc_types) [both versions]: Add
11317         get_reloc_addend_noerror.
11318         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11319         variants of add_global which take an addend which must be zero.
11320         * i386.cc: Include "copy-relocs.h".
11321         (class Target_i386): Change type of copy_relocs_ to variable,
11322         update initializer.
11323         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11324         Change all callers.
11325         (Target_i386::do_finalize_sections): Change handling of
11326         copy_relocs_.
11327         * sparc.cc: Include "copy-relocs.h".
11328         (class Target_sparc): Change type of copy_relocs_ to variable,
11329         update initializer.
11330         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11331         Change all callers.
11332         (Target_sparc::do_finalize_sections): Change handling of
11333         copy_relocs_.
11334         * x86_64.cc: Include "copy-relocs.h".
11335         (class Target_x86_64): Change type of copy_relocs_ to variable,
11336         update initializer.
11337         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11338         class.  Change all callers.
11339         (Target_x86_64::do_finalize_sections): Change handling of
11340         copy_relocs_.
11341         * Makefile.am (CCFILES): Add copy-relocs.cc.
11342         (HFILES): Add copy-relocs.h.
11343
11344         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11345
11346         * testsuite/script_test_4.sh: Permit leading zeroes.
11347
11348 2008-04-15  Ian Lance Taylor  <iant@google.com>
11349
11350         * script-sections.cc (Script_sections::create_segments): Use
11351         header_size_adjustment even when there is enough room for the
11352         headers.
11353         * testsuite/script_test_4.sh: New file.
11354         * testsuite/script_test_4.t: New file.
11355         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11356         (check_DATA): Add script_test_4.stdout.
11357         (MOSTLYCLEANFILES): Likewise.
11358         (script_test_4): New target.
11359         (script_test_4.stdout): New target.
11360         * testsuite/Makefile.in: Rebuild.
11361
11362         * sparc.cc: Add definitions for Output_data_plt_sparc class
11363         constants.
11364
11365 2008-04-14  David S. Miller  <davem@davemloft.net>
11366
11367         * sparc.cc: New file.
11368         * Makefile.am (TARGETSOURCES): Add sparc.cc
11369         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11370         * configure.tgt: Document targ_extra_size and
11371         targ_extra_big_endian.  Add entries for sparc-* and
11372         sparc64-*.
11373         * configure.ac: Handle targ_extra_size and
11374         targ_extra_big_endian.
11375         * Makefile.in: Rebuild.
11376         * configure: Likewise.
11377         * po/POTFILES.in: Likewise.
11378         * po/gold.pot: Likewise.
11379
11380 2008-04-14  Ian Lance Taylor  <iant@google.com>
11381
11382         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11383         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11384         in the name/type/flags to section mapping.  Don't call
11385         allocate_output_section.
11386         (Layout::choose_output_section): Change parameter from adjust_name
11387         to is_input_section.  Don't permit input sections after sections
11388         are attached to segments.  Don't call allocate_output_section.
11389         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11390         not write_enable_output_section.
11391         (Layout::make_output_section): Don't push to
11392         unattached_section_list_ nor call attach_to_segment.  Call
11393         attach_section_to_segment if sections are attached.
11394         (Layout::attach_sections_to_segments): New function.
11395         (Layout::attach_section_to_segment): New function.
11396         (Layout::attach_allocated_section_to_segment): Rename from
11397         attach_to_segment.  Remove flags parameter.
11398         (Layout::allocate_output_section): Remove function.
11399         (Layout::write_enable_output_section): Remove function.
11400         * layout.h (class Layout): Update for above changes.  Add new
11401         field sections_are_attached_.
11402         * output.h (Output_section::update_flags_for_input_section): New
11403         function.
11404         * output.cc (Output_section::add_input_section): Call
11405         update_flags_for_input_section.
11406         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11407
11408 2008-04-11  Cary Coutant  <ccoutant@google.com>
11409
11410         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11411         thought unnecessary.
11412         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11413
11414 2008-04-11  Ian Lance Taylor  <iant@google.com>
11415
11416         * output.h (class Output_section_data): Remove inline definition
11417         of set_addralign.
11418         * output.cc (Output_section_data::set_addralign): New function.
11419
11420 2008-04-11  Cary Coutant  <ccoutant@google.com>
11421
11422         Add support for TLS descriptors for i386 and x86_64.
11423         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11424         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11425         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11426         GOT_TYPE_TLS_DESC.
11427         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11428         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11429         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11430         relocations.
11431         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11432         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11433         Fix problem with initial-exec relocations.
11434         (Target_i386::Relocate::relocate_tls): Likewise.
11435         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11436         relaxation.
11437         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11438         support for section-plus-offset dynamic table entries.
11439         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11440         (Output_data_dynamic::Dynamic_entry): Add support for
11441         section-plus-offset dynamic table entries.
11442         (Output_data_dynamic::Classification): Likewise.
11443         (Output_data_dynamic::classification_): Renamed offset_.
11444         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11445         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11446         (Target_x86_64::make_plt_section): New function.
11447         (Target_x86_64::reserve_tlsdesc_entries): New function.
11448         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11449         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11450         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11451         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11452         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11453         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11454         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11455         add extra PLT entry for TLS descriptors.
11456         (Output_data_plt_x86_64::got_): New field.
11457         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11458         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11459         fields.
11460         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11461         descriptors.
11462         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11463         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11464         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11465         R_386_TLS_DESC_CALL relocations.
11466         (Target_x86_64::Scan::global): Likewise.
11467         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11468         for TLS descriptors.
11469         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11470         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11471         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11472         GD-to-IE relaxation.
11473         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11474         and TLS_DESCRIPTORS.
11475         * Makefile.in: Rebuild.
11476         * configure: Rebuild.
11477         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11478         (tls_test_shared2.so): New target.
11479         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11480         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11481         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11482         (tls_shared_gd_to_ie_test_LDADD): New variable.
11483         (tls_shared_gnu2_gd_to_ie_test): New target.
11484         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11485         New targets.
11486         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11487         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11488         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11489         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11490         (tls_shared_gnu2_test): New target.
11491         (tls_test_gnu2_shared.so): New target.
11492         (tls_shared_gnu2_test_SOURCES): New variable.
11493         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11494         (tls_shared_gnu2_test_LDFLAGS): New variable.
11495         (tls_shared_gnu2_test_LDADD): New variable.
11496         * testsuite/Makefile.in: Rebuild.
11497         * testsuite/Makefile.
11498
11499 2008-04-11  Ian Lance Taylor  <iant@google.com>
11500
11501         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11502         justsyms.t.
11503         * testsuite/Makefile.in: Rebuild.
11504
11505         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11506         long.
11507         * testsuite/script_test_2.cc (main): Adjust test.
11508
11509 2008-04-11  David S. Miller  <davem@davemloft.net>
11510             Ian Lance Taylor  <iant@google.com>
11511
11512         * options.h (General_options): Add entries for '-Y' and
11513         '-relax'.
11514         * options.cc (General_options:finalize): If -Y was used, add those
11515         entries to the library path instead of the default "/lib" and
11516         "/usr/lib".
11517
11518 2008-04-11  David S. Miller  <davem@davemloft.net>
11519
11520         * testsuite/justsyms.t: Start at 0x100.
11521         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11522         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11523         long.
11524         * testsuite/script_test_2.cc: Adjust string and section length
11525         checks.
11526
11527 2008-04-09  Ian Lance Taylor  <iant@google.com>
11528
11529         PR gold/5996
11530         * script-sections.cc (Sections_element::allocate_to_segment): Add
11531         orphan parameter.
11532         (Output_section_definition::allocate_to_segment): Likewise.
11533         (Orphan_output_section::allocate_to_segment): Likewise.
11534         (Script_sections::attach_sections_using_phdrs_clause): Don't
11535         propagate non-PT_LOAD segments to orphan sections.
11536         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11537         readelf rather than objdump.
11538         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11539         .interp section and PT_INTERP segment are the same size.
11540         * testsuite/Makefile.in: Rebuild.
11541
11542         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11543         aliases for symbols defined in the same object.
11544         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11545         (weak_alias_test_SOURCES): New variable.
11546         (weak_alias_test_DEPENDENCIES): New variable.
11547         (weak_alias_test_LDFLAGS): New variable.
11548         (weak_alias_test_LDADD): New variable.
11549         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11550         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11551         (weak_alias_test_3.o): New target.
11552         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11553         * testsuite/weak_alias_test_main.cc: New file.
11554         * testsuite/weak_alias_test_1.cc: New file.
11555         * testsuite/weak_alias_test_2.cc: New file.
11556         * testsuite/weak_alias_test_3.cc: New file.
11557
11558 2008-04-08  Ian Lance Taylor  <iant@google.com>
11559
11560         * options.h (class General_options): Add --noinhibit-exec option.
11561         * main.cc (main): Check --noinhibit-exec.
11562
11563         * options.h (class General_options): Define --wrap as a special
11564         option.  Add wrap_symbols_ field.
11565         (General_options::any_wrap_symbols): New function.
11566         (General_options::is_wrap_symbol): New function.
11567         * options.cc (General_options::parse_wrap): New function.
11568         (General_options::General_options): Initialize wrap_symbols_.
11569         * symtab.cc (Symbol_table::wrap_symbol): New function.
11570         (Symbol_table::add_from_object): Handle --wrap.
11571         * symtab.h (class Symbol_table): Declare wrap_symbol.
11572         * target.h (Target::wrap_char): New function.
11573         (Target::Target_info): Add wrap_char field.
11574         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11575         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11576         * testsuite/testfile.cc (Target_test::test_target_info):
11577         Likewise.
11578
11579         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11580         there is one.
11581
11582         * layout.h (class Layout): Add added_eh_frame_data_ field.
11583         * layout.cc (Layout::Layout): Initialize new field.
11584         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11585         output section until we find a section we merged successfully.
11586         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11587         that the size be non-zero.
11588
11589         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11590         qualifier.
11591
11592 2008-04-08  Craig Silverstein  <csilvers@google.com>
11593
11594         * configure.ac: Export new conditional variable HAVE_ZLIB.
11595         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11596         on HAVE_ZLIB.
11597         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11598         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11599
11600 2008-04-07  Ian Lance Taylor  <iant@google.com>
11601
11602         * version.cc (version_string): Set to "1.5".
11603
11604         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11605         Add issued_non_pic_error_ field.  Declare check_non_pic.
11606         (Target_x86_64::Scan::check_non_pic): New function.
11607         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11608         (Target_x86_64::Scan::global): Likewise.
11609
11610         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11611         addend parameter.  Change caller.  Handle merge sections.
11612         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11613         Address to Addend.  Don't add in the result of
11614         local_section_offset, pass down the addend and use the returned
11615         value.
11616         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11617         Update declarations of local_section_offset and symbol_value.
11618         * testsuite/two_file_test_1.cc (t18): New function.
11619         * testsuite/two_file_test_2.cc (f18): New function.
11620         * testsuite/two_file_test_main.cc (main): Call t18.
11621         * testsuite/two_file_test.h (t18, f18): Declare.
11622
11623         * configure.ac: Don't test for objdump, c++filt, or readelf.
11624         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11625         conditionals.
11626         (TEST_READELF): New variable.
11627         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11628         (check_PROGRAMS): Add two_file_strip_test.
11629         (two_file_strip_test): New target.
11630         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11631         (two_file_same_shared_strip_test_SOURCES): New variable.
11632         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11633         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11634         (two_file_same_shared_strip_test_LDADD): New variable.
11635         (two_file_shared_strip.so): New target.
11636         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11637         (ver_test_5.syms, ver_test_7.syms): Likewise.
11638         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11639         (strip_test_3.stdout): Use TEST_OBJDUMP.
11640         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11641
11642 2008-04-04  Cary Coutant  <ccoutant@google.com>
11643
11644         * symtab.h (Symbol::is_weak_undefined): New function.
11645         (Symbol::is_strong_undefined): New function.
11646         (Symbol::is_absolute): New function.
11647         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11648         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11649         absolute symbols.
11650         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11651         (weak_undef_test): New target.
11652         * testsuite/Makefile.in: Rebuild.
11653         * testsuite/weak_undef_file1.cc: New file.
11654         * testsuite/weak_undef_file2.cc: New file.
11655         * testsuite/weak_undef_test.cc: New file.
11656
11657 2008-04-03  Craig Silverstein  <csilvers@google.com>
11658
11659         * compressed_output.h (class Output_compressed_section): Use
11660         unsigned buffer.
11661         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11662         add zlib header.
11663         (zlib_compressed_suffix): Removed.
11664         (Output_compressed_section::set_final_data_size): Use unsigned
11665         buffers.
11666         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11667         Fix linker invocation.
11668         (flagstest_o_specialfile_and_compress_debug_sections):
11669         Likewise.
11670         * testsuite/Makefile.in: Regenerated.
11671
11672 2008-04-02  David S. Miller  <davem@davemloft.net>
11673
11674         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11675         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11676
11677 2008-04-02  Craig Silverstein  <csilvers@google.com>
11678
11679         * TODO: New file.
11680
11681 2008-04-02  Ian Lance Taylor  <iant@google.com>
11682
11683         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11684         parameters.  Update for new key type to views_.  Change all
11685         callers.
11686         (File_read::read): Adjust for byteshift in returned view.
11687         (File_read::add_view): New function, broken out of
11688         find_and_make_view.
11689         (File_read::make_view): New function, broken out of
11690         find_and_make_view.
11691         (File_read::find_or_make_view): Add offset and aligned
11692         parameters.  Rewrite accordingly.  Change all callers.
11693         (File_read::get_view): Add offset and aligned parameters.  Adjust
11694         for byteshift in return value.
11695         (File_read::get_lasting_view): Likewise.
11696         * fileread.h (class File_read): Update declarations.
11697         (class File_read::View): Add byteshift_ field.  Add byteshift to
11698         constructor.  Add byteshift method.
11699         * archive.h (Archive::clear_uncached_views): New function.
11700         (Archive::get_view): Add aligned parameter.  Change all callers.
11701         * object.h (Object::get_view): Add aligned parameter.  Change all
11702         callers.
11703         (Object::get_lasting_view): Likewise.
11704
11705         * fileread.cc (File_read::release): Don't call clear_views if
11706         there are multiple objects.
11707         * fileread.h (File_read::clear_uncached_views): New function.
11708         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11709         on the archive.
11710
11711 2008-03-31  Cary Coutant  <ccoutant@google.com>
11712
11713         Add thin archive support.
11714         * archive.cc (Archive::armagt): New const.
11715         (Archive::setup): Remove task parameter and calls to unlock.
11716         (Archive::unlock_nested_archives): New function.
11717         (Archive::read_header): Add nested_off parameter. Change
11718         all callers.
11719         (Archive::interpret_header): Likewise.
11720         (Archive::include_all_members): Change to handle thin
11721         archives.
11722         (Archive::include_member): Likewise.
11723         * archive.h (Archive::Archive): Add new parameters and
11724         initializers.
11725         (Archive::armagt): New const.
11726         (Archive::setup): Remove task parameter.
11727         (Archive::unlock_nested_archives): New function.
11728         (Archive::read_header): Add nested_off parameter.
11729         (Archive::interpret_header): Likewise.
11730         (Archive::Nested_archive_table): New typedef.
11731         (Archive::is_thin_archive_): New field.
11732         (Archive::nested_archives_): New field.
11733         (Archive::options_): New field.
11734         (Archive::dirpath_): New field.
11735         (Archive::task_): New field.
11736         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11737         for thin archives.  Pass additional parameters to
11738         Archive::Archive.  Unlock the archive file after calling
11739         Archive::setup.
11740
11741 2008-03-29  Ian Lance Taylor  <iant@google.com>
11742
11743         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11744         version symbol to be local.
11745         * testsuite/ver_test_4.sh: New file.
11746         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11747         (check_DATA): Add ver_test_4.syms.
11748         (ver_test_4.syms): New target.
11749         * testsuite/Makefile.in: Rebuild.
11750
11751         * output.cc
11752         (Output_section::Input_section_sort_entry::has_priority): New
11753         function.
11754         (Output_section::Input_section_sort_entry::match_file_name): New
11755         function.
11756         (Output_section::Input_section_sort_entry::match_section_name):
11757         Remove.
11758         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11759         Remove.
11760         (Output_section::Input_section_sort_entry::match_section_file):
11761         Remove.
11762         (Output_section::Input_section_sort_compare::operator()): Rewrite
11763         using new Input_section_sort_entry functions.  Sort crtbegin and
11764         crtend first.  Sort sections with no priority before sections with
11765         a priority.
11766         * testsuite/initpri1.c (d3): Check j != 4.
11767         (cd5): New constructor/destructor function.
11768         (main): Check j != 2.
11769
11770         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11771         new symbol when resolving, don't call set_is_default.
11772         * testsuite/ver_test_7.cc: New file.
11773         * testsuite/ver_test_7.sh: New file.
11774         * testsuite/Makefile.am (ver_test_7.so): New target.
11775         (ver_test_7.o): New target.
11776         (check_SCRIPTS): Add ver_test_7.sh.
11777         (check_DATA): Add ver_test_7.syms.
11778         (ver_test_7.syms): New target.
11779
11780 2008-03-28  Ian Lance Taylor  <iant@google.com>
11781
11782         * layout.cc (Layout::layout): If we see an input section with a
11783         name that needs sorting, set the must_sort flag for the output
11784         section.
11785         (Layout::make_output_section): If the name of the output section
11786         indicates that it might require sorting, set the may_sort flag.
11787         * output.h (Output_section::may_sort_attached_input_sections): New
11788         function.
11789         (Output_section::set_may_sort_attached_input_sections): New
11790         function.
11791         (Output_section::must_sort_attached_input_sections): New
11792         function.
11793         (Output_section::set_must_sort_attached_input_sections): New
11794         function.
11795         (class Output_section): Declare Input_section_sort_entry.  Define
11796         Input_section_sort_compare.  Declare
11797         sort_attached_input_sections.  Add new fields:
11798         may_sort_attached_input_sections_,
11799         must_sort_attached_input_sections_,
11800         attached_input_sections_are_sorted_.
11801         * output.cc (Output_section::Output_section): Initialize new
11802         fields.
11803         (Output_section::add_input_section): Add an entry to
11804         input_sections_ if may_sort or must_sort are true.
11805         (Output_section::set_final_data_size): Call
11806         sort_attached_input_sections if necessary.
11807         (Output_section::Input_section_sort_entry): Define new class.
11808         (Output_section::Input_section_sort_compare::operator()): New
11809         function.
11810         (Output_section::sort_attached_input_sections): New function.
11811         * configure.ac: Check whether the compiler supports constructor
11812         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
11813         * testsuite/initpri1.c: New file.
11814         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11815         CONSTRUCTOR_PRIORITY.
11816         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11817         (initpri1_LDFLAGS): New variable.
11818         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11819
11820 2008-03-27  Ian Lance Taylor  <iant@google.com>
11821
11822         * common.cc (Sort_commons::operator): Correct sorting algorithm.
11823         * testsuite/common_test_1.c: New file.
11824         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11825         (common_test_1_SOURCES): New variable.
11826         (common_test_1_DEPENDENCIES): New variable.
11827         (common_test_1_LDFLAGS): New variable.
11828
11829         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11830         and commons_ correctly when NAME/VERSION does not override
11831         NAME/NULL.
11832         * testsuite/ver_test_6.c: New file.
11833         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11834         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11835         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11836
11837 2008-03-26  Ian Lance Taylor  <iant@google.com>
11838
11839         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11840         of an undefined symbol from a version script.
11841         * testsuite/Makefile.am (ver_test_5.so): New target.
11842         (ver_test_5.o): New target.
11843         (check_SCRIPTS): Add ver_test_5.sh.
11844         (check_DATA): Add ver_test_5.syms.
11845         (ver_test_5.syms): New target.
11846         * testsuite/ver_test_5.cc: New file.
11847         * testsuite/ver_test_5.script: New file.
11848         * testsuite/ver_test_5.sh: New file.
11849         * Makefile.in, testsuite/Makefile.in: Rebuild.
11850
11851         PR gold/5986
11852         Fix problems building gold with gcc 4.3.0.
11853         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11854         (gold_error_at_location, gold_warning_at_location): Use it.
11855         * configure.ac: Check whether we can compile and use a template
11856         function with a printf attribute.
11857         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
11858         when jumping over bytes.
11859         * object.cc: Instantiate Object::read_section_data.
11860         * debug.h: Include <cstring>
11861         * dwarf_reader.cc: Include <algorithm>
11862         * main.cc: Include <cstring>.
11863         * options.cc: Include <cstring>.
11864         * output.cc: Include <cstring>.
11865         * script.cc: Include <cstring>.
11866         * script.h: Include <string>.
11867         * symtab.cc: Include <cstring> and <algorithm>.
11868         * target-select.cc: Include <cstring>.
11869         * version.cc: Include <string>.
11870         * testsuite/testmain.cc: Include <cstdlib>.
11871         * configure, config.in: Rebuild.
11872
11873 2008-03-25  Ian Lance Taylor  <iant@google.com>
11874
11875         * options.cc: Include "../bfd/bfdver.h".
11876         (options::help): Print bug reporting address.
11877
11878         * version.cc (print_version): Adjust output for current value of
11879         BFD_VERSION_STRING.
11880
11881         * NEWS: New file.
11882
11883         * options.cc (options::help): Print list of supported targets.
11884         * target-select.h: Include <vector>.
11885         (class Target_selector): Make machine_, size_, and is_big_endian_
11886         fields const.  Add bfd_name_ and instantiated_target_ fields.
11887         (Target_selector::Target_selector): Add bfd_name parameter.
11888         (Target_selector::recognize): Make non-virtual, call
11889         do_recognize.
11890         (Target_selector::recognize_by_name): Make non-virtual, call
11891         do_recognize_by_name.
11892         (Target_selector::supported_names): New function.
11893         (Target_selector::bfd_name): New function.
11894         (Target_selector::do_instantiate_target): New pure virtual
11895         function.
11896         (Target_selector::do_recognize): New virtual function.
11897         (Target_selector::do_recognize_by_name): New virtual function.
11898         (Target_selector::instantiate_target): New private function.
11899         (supported_target_names): Declare.
11900         * target-select.cc (Target_selector::Target_selector): Update for
11901         new parameter and fields.
11902         (select_target_by_name): Check that the name matches before
11903         calling recognize_by_name.
11904         (supported_target_names): New function.
11905         * i386.cc (class Target_selector_i386): Update Target_selector
11906         constructor call.  Remove recognize and recognize_by_name.  Add
11907         do_instantiate_target.
11908         * x86_64.cc (class Target_selector_x86_64): Likewise.
11909         * testsuite/testfile.cc (class Target_selector_test): Update for
11910         changes to Target_selector.
11911
11912         * README: Rewrite, with some notes on unsupported features.
11913
11914 2008-03-24  Cary Coutant  <ccoutant@google.com>
11915
11916         * i386.cc (Target_i386::Got_type): New enum declaration.
11917         (Target_i386::Scan::local): Updated callers of Output_data_got
11918         member functions.
11919         (Target_i386::Scan::global): Likewise.
11920         (Target_i386::Relocate::relocate): Likewise.
11921         (Target_i386::Relocate::relocate_tls): Likewise.
11922         * object.h (Got_offset_list): New class.
11923         (Sized_relobj::local_has_got_offset): Added got_type parameter.
11924         (Sized_relobj::local_got_offset): Likewise.
11925         (Sized_relobj::set_local_got_offset): Likewise.
11926         (Sized_relobj::local_has_tls_got_offset): Removed.
11927         (Sized_relobj::local_tls_got_offset): Removed.
11928         (Sized_relobj::set_local_tls_got_offset): Removed.
11929         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
11930         * output.cc (Output_data_got::add_global): Added got_type parameter.
11931         (Output_data_got::add_global_with_rel): Likewise.
11932         (Output_data_got::add_global_with_rela): Likewise.
11933         (Output_data_got::add_global_pair_with_rel): New function.
11934         (Output_data_got::add_global_pair_with_rela): New function.
11935         (Output_data_got::add_local): Added got_type parameter.
11936         (Output_data_got::add_local_with_rel): Likewise.
11937         (Output_data_got::add_local_with_rela): Likewise.
11938         (Output_data_got::add_local_pair_with_rel): New function.
11939         (Output_data_got::add_local_pair_with_rela): New function.
11940         (Output_data_got::add_global_tls): Removed.
11941         (Output_data_got::add_global_tls_with_rel): Removed.
11942         (Output_data_got::add_global_tls_with_rela): Removed.
11943         (Output_data_got::add_local_tls): Removed.
11944         (Output_data_got::add_local_tls_with_rel): Removed.
11945         (Output_data_got::add_local_tls_with_rela): Removed.
11946         * output.h (Output_data_got::add_global): Added got_type parameter.
11947         (Output_data_got::add_global_with_rel): Likewise.
11948         (Output_data_got::add_global_with_rela): Likewise.
11949         (Output_data_got::add_global_pair_with_rel): New function.
11950         (Output_data_got::add_global_pair_with_rela): New function.
11951         (Output_data_got::add_local): Added got_type parameter.
11952         (Output_data_got::add_local_with_rel): Likewise.
11953         (Output_data_got::add_local_with_rela): Likewise.
11954         (Output_data_got::add_local_pair_with_rel): New function.
11955         (Output_data_got::add_local_pair_with_rela): New function.
11956         (Output_data_got::add_global_tls): Removed.
11957         (Output_data_got::add_global_tls_with_rel): Removed.
11958         (Output_data_got::add_global_tls_with_rela): Removed.
11959         (Output_data_got::add_local_tls): Removed.
11960         (Output_data_got::add_local_tls_with_rel): Removed.
11961         (Output_data_got::add_local_tls_with_rela): Removed.
11962         * resolve.cc (Symbol::override_base_with_special): Removed
11963         reference to has_got_offset_ field.
11964         * symtab.cc (Symbol::init_fields): Replaced initialization
11965         of got_offset_ with got_offsets_.  Removed initialization
11966         of has_got_offset_
11967         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
11968         (Symbol::got_offset): Likewise.
11969         (Symbol::set_got_offset): Likewise.
11970         (Symbol::has_tls_got_offset): Removed.
11971         (Symbol::tls_got_offset): Removed.
11972         (Symbol::set_tls_got_offset): Removed.
11973         (Symbol::got_offset_): Removed.
11974         (Symbol::tls_mod_got_offset_): Removed.
11975         (Symbol::tls_pair_got_offset_): Removed.
11976         (Symbol::got_offsets_): New field.
11977         (Symbol::has_got_offset): Removed.
11978         (Symbol::has_tls_mod_got_offset): Removed.
11979         (Symbol::has_tls_pair_got_offset): Removed.
11980         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
11981         (Target_x86_64::Scan::local): Updated callers of Output_data_got
11982         member functions.
11983         (Target_x86_64::Scan::global): Likewise.
11984         (Target_x86_64::Relocate::relocate): Likewise.
11985         (Target_x86_64::Relocate::relocate_tls): Likewise.
11986
11987 2008-03-25  Ben Elliston  <bje@au.ibm.com>
11988
11989         * yyscript.y: Fix spelling error in comment.
11990
11991 2008-03-24  Ian Lance Taylor  <iant@google.com>
11992
11993         * options.h (class General_options): Define build_id option.
11994         * layout.h (class Layout): Declare write_build_id, create_note,
11995         create_build_id.  Add build_id_note_ member.
11996         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
11997         "libiberty.h", "md5.h", "sha1.h".
11998         (Layout::Layout): Initialize eh_frame_data_,
11999         eh_frame_hdr_section_, and build_id_note_.
12000         (Layout::finalize): Call create_build_id.
12001         (Layout::create_note): New function, broken out of
12002         Layout::create_gold_note.
12003         (Layout::create_gold_note): Call create_note.
12004         (Layout::create_build_id): New function.
12005         (Layout::write_build_id): New function.
12006         (Close_task_runner::run): Call write_build_id.
12007
12008         * x86_64.cc: Correct license to GPLv3.
12009
12010 2008-03-23  Ian Lance Taylor  <iant@google.com>
12011
12012         * options.cc: Include "demangle.h".
12013         (parse_optional_string): New function.
12014         (parse_long_option): Handle takes_optional_argument.
12015         (parse_short_option): Update dash_z initializer.  Handle
12016         takes_optional_argument.
12017         (General_options::General_options): Initialize do_demangle_.
12018         (General_options::finalize): Set do_demangle_.  Handle demangling
12019         style.
12020         * options.h (parse_optional_string): Declare.
12021         (struct One_option): Add optional_arg field.  Update constructor.
12022         Update call constructor calls.  Add takes_optional_argument
12023         function.
12024         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12025         (DEFINE_optional_string): Define.
12026         (General_options::demangle): Change from DEFINE_bool to
12027         DEFINE_optional_string.
12028         (General_options::no_demangle): New function.
12029         (General_options::do_demangle): New function.
12030         (General_options::set_do_demangle): New function.
12031         (General_options::execstack_status_): Move definition to end of
12032         class definition.
12033         (General_options::static_): Likewise.
12034         (General_options::do_demangle_): New field.
12035         * object.cc (big_endian>::get_symbol_location_info): Call
12036         Options::do_demangle, not Options::demangle.
12037         * symtab.cc (demangle): Likewise.
12038
12039 2008-03-22  Ian Lance Taylor  <iant@google.com>
12040
12041         * gold.h: Include <cstddef> and <sys/types.h>
12042         * options.h: Include <cstring>.
12043
12044 2008-03-21  Ian Lance Taylor  <iant@google.com>
12045
12046         * Added source code to GNU binutils.