gold/ChangeLog

   1 2011-11-11  Doug Kwan  <dougkwan@google.com>
   2
   3         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
   4         if --just-symbols is given.
   5
   6 2011-11-10  Doug Kwan  <dougkwan@google.com>
   7
   8         PR gold/13362
   9         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
  10         when processing data relocs.
  11         * reloc.h (Relocate_functions::rel_unaligned): New method.
  12         (Relocate_functions::pcrel_unaligned): Ditto.
  13         (Relocate_functions::rel32_unaligned): Ditto.
  14         (Relocate_functions::pcrel32_unaligned): Ditto.
  15
  16 2011-11-09  Doug Kwan  <dougkwan@google.com>
  17
  18         PR gold/13362
  19         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
  20         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
  21         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
  22         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
  23         (Relocate_functions::rel_unaligned): New.
  24         (Relocate_functions::rel32_unaligned): New.
  25         * target-reloc.h (relocate_for_relocatable): Add code to handle
  26         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
  27         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
  28         arm_unaligned_reloc_r): New targets.
  29         * testsuite/Makefile.in: Regenerate.
  30         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
  31         linking.
  32
  33 2011-11-02  Ian Lance Taylor  <iant@google.com>
  34
  35         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
  36         NATIVE_LINKER.
  37         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
  38         * options.cc (General_options::finalize): Use library search path
  39         from configure script if specified.  If not native and no sysroot,
  40         only search TOOLLIBDIR.
  41         * options.h (Search_directory::Search_directory): Change name to
  42         const std::string&.
  43         (General_options::add_to_library_path_with_sysroot): Change arg to
  44         const std::string&.
  45         * configure, Makefile.in, config.in: Rebuild.
  46
  47 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
  48
  49         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
  50         we are working around the ARM1176 Erratum.
  51         * options.h (General_options::fix_arm1176): Add option.
  52         * testsuite/Makefile.am: Add testcases, and keep current ones
  53         working.
  54         * testsuite/Makefile.in: Regenerate.
  55         * testsuite/arm_fix_1176.s: New file.
  56         * testsuite/arm_fix_1176.sh: Likewise.
  57
  58 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
  59
  60         * arm.cc (Target_arm::Target_arm): Remove initialisation of
  61         may_use_blx_.
  62         (Target_arm::may_use_blx): Remove method.
  63         (Target_arm::set_may_use_blx): Likewise.
  64         (Target_arm::may_use_v4t_interworking): New method.
  65         (Target_arm::may_use_v5t_interworking): Likewise.
  66         (Target_arm::may_use_blx_): Remove member variable.
  67         (Arm_relocate_functions::arm_branch_common): Check for v5T
  68         interworking.
  69         (Arm_relocate_functions::thumb_branch_common): Likewise.
  70         (Reloc_stub::stub_type_for_reloc): Likewise.
  71         (Target_arm::do_finalize_sections): Correct interworking checks.
  72         * testsuite/Makefile.am: Add new tests.
  73         * testsuite/Makefile.in: Regenerate.
  74         * testsuite/arm_farcall_arm_arm.s: New test.
  75         * testsuite/arm_farcall_arm_arm.sh: Likewise.
  76         * testsuite/arm_farcall_arm_thumb.s: Likewise.
  77         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
  78         * testsuite/arm_farcall_thumb_arm.s: Likewise.
  79         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
  80         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
  81         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
  82
  83 2011-10-31  Cary Coutant  <ccoutant@google.com>
  84
  85         PR gold/13023
  86         * expression.cc (Expression::eval_with_dot): Add
  87         is_section_dot_assignment parameter.
  88         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
  89         absolute and assigning to dot within a section.
  90         * script-sections.cc
  91         (Output_section_element_assignment::set_section_addresses): Pass
  92         dot_section to set_if_absolute.
  93         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
  94         as is_section_dot_assignment flag to eval_with_dot.
  95         (Output_section_element_dot_assignment::set_section_addresses):
  96         Likewise.
  97         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
  98         parameter.  Also set value if relative to dot_section; set the
  99         symbol's output_section.
 100         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
 101         parameter.  Adjust all callers.
 102         (Expression::eval_maybe_dot): Likewise.
 103         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
 104         Adjust all callers.
 105         * testsuite/script_test_2.t: Test assignment of an absolute value
 106         to dot within an output section element.
 107
 108 2011-10-31  Cary Coutant  <ccoutant@google.com>
 109
 110         * options.h (class General_options): Add --[no-]gnu-unique options.
 111         * symtab.cc (Symbol_table::sized_write_globals): Convert
 112         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
 113
 114 2011-10-31  Cary Coutant  <ccoutant@google.com>
 115
 116         PR gold/13359
 117         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
 118         unnecessary assertion.
 119         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
 120
 121 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
 122
 123         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 124         gc_mark_symbol.
 125         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 126         gc_mark_symbol.
 127         Change to just keep the section associated with symbol.
 128         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
 129         they are externally visible and --export-dynamic is turned on.
 130         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
 131
 132 2011-10-19  Ian Lance Taylor  <iant@google.com>
 133
 134         PR gold/13163
 135         * script-sections.cc
 136         (Output_section_element_dot_assignment::needs_output_section): New
 137         function.
 138
 139 2011-10-19  Ian Lance Taylor  <iant@google.com>
 140
 141         PR gold/13204
 142         * layout.cc (Layout::segment_precedes): Don't assert failure if a
 143         --section-start option was seen.
 144         * options.h (General_options::any_section_start): New function.
 145
 146 2011-10-18  David S. Miller  <davem@davemloft.net>
 147
 148         PR binutils/13301
 149         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
 150         member to track relocation locations that have moved during TLS
 151         reloc optimizations.
 152         (Target_sparc::Relocate::Relocate): Initialize to NULL.
 153         (Target_sparc::Relocate::relocate): Adjust view down by 4
 154         bytes if it matches reloc_adjust_addr_.
 155         (Target_sparc::Relocate::relocate_tls): Always move the
 156         __tls_get_addr call delay slot instruction forward 4 bytes when
 157         performing relaxation.
 158
 159 2011-10-18  Cary Coutant  <ccoutant@google.com>
 160
 161         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
 162         (Output_file::map_no_anonymous): Check for non-zero
 163         return code from posix_fallocate.
 164
 165 2011-10-17  Cary Coutant  <ccoutant@google.com>
 166
 167         PR gold/13245
 168         * plugin.cc (is_visible_from_outside): Check for symbols
 169         referenced from dynamic objects.
 170         * resolve.cc (Symbol_table::resolve): Don't count references
 171         from dynamic objects as references from real ELF files.
 172         * testsuite/plugin_test_2.sh: Adjust expected result.
 173
 174 2011-10-17  Cary Coutant  <ccoutant@google.com>
 175
 176         * gold.cc: Include timer.h.
 177         (queue_middle_tasks): Stamp time.
 178         (queue_final_tasks): Likewise.
 179         * main.cc (main): Store timer in parameters.  Print timers
 180         for each pass.
 181         * parameters.cc (Parameters::Parameters): Initialize timer_.
 182         (Parameters::set_timer): New function.
 183         (set_parameters_timer): New function.
 184         * parameters.h (Parameters::set_timer): New function.
 185         (Parameters::timer): New function.
 186         (Parameters::timer_): New data member.
 187         (set_parameters_timer): New function.
 188         * timer.cc (Timer::stamp): New function.
 189         (Timer::get_pass_time): New function.
 190         * timer.h (Timer::stamp): New function.
 191         (Timer::get_pass_time): New function.
 192         (Timer::pass_times_): New data member.
 193
 194 2011-10-17  Cary Coutant  <ccoutant@google.com>
 195
 196         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
 197         task for members of lib groups.
 198
 199 2011-10-17  Cary Coutant  <ccoutant@google.com>
 200
 201         PR gold/13288
 202         * fileread.cc (File_read::find_view): Add assert.
 203         (File_read::make_view): Move bounds check (replace with assert)...
 204         (File_read::find_or_make_view): ... to here.
 205
 206 2011-10-12  Cary Coutant  <ccoutant@google.com>
 207
 208         * output.cc (Output_file::open_base_file): Handle case where
 209         ::read returns less than requested size.
 210
 211 2011-10-10  Cary Coutant  <ccoutant@google.com>
 212
 213         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
 214         Initialize defined_count_.
 215         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
 216         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
 217         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
 218         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
 219         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
 220         * incremental.h (Sized_relobj_incr::defined_count_): New data
 221         member.
 222         (Sized_incr_dynobj::defined_count_): New data member.
 223         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
 224         Return zeroes instead of internal error.
 225
 226 2011-10-10  Cary Coutant  <ccoutant@google.com>
 227
 228         PR gold/13249
 229         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
 230         (Output_reloc::symbol_value): Return PLT offset if flag is set.
 231         * output.h (class Output_reloc): Add use_plt_offset flag.
 232         (Output_reloc::type_): Adjust size of bit field.
 233         (Output_reloc::use_plt_offset_): New bit field.
 234         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
 235         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
 236         flag.  Adjust all callers.
 237         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
 238         creating RELATIVE relocations.
 239
 240 2011-10-10  Nick Clifton  <nickc@redhat.com>
 241
 242         * po/es.po: Updated Spanish translation.
 243         * po/fi.po: Updated Finnish translation.
 244
 245 2011-10-03   Diego Novillo  <dnovillo@google.com>
 246
 247         * options.cc (parse_uint): Fix dereference of RETVAL.
 248
 249 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
 250
 251         * layout.h (section_order_map_): New member.
 252         (get_section_order_map): New member function.
 253         * output.cc (Output_section::add_input_section): Check for patterns
 254         only when --section-ordering-file is specified.
 255         * gold.cc (queue_middle_tasks): Delay updating order of sections till
 256         output_sections have been formed.
 257         * layout.cc (Layout_Layout): Initialize section_order_map_.
 258         * plugin.cc (update_section_order): Store order in order_map. Do not
 259         update the order.
 260         * testsuite/Makefile.am: Add test case for plugin_final_layout.
 261         * testsuite/Makefile.in: Regenerate.
 262         * testsuite/plugin_section_order.c: New file.
 263         * testsuite/plugin_final_layout.cc: New file.
 264         * testsuite/plugin_final_layout.sh: New file.
 265
 266 2011-09-29  Cary Coutant  <ccoutant@google.com>
 267
 268         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 269         Check for NULL.
 270         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
 271         symbols during incremental update.
 272         (Symbol_table::add_from_dynobj): Likewise.
 273
 274 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 275             Ian Lance Taylor  <iant@google.com>
 276
 277         * symtab.cc (Symbol_table::define_special_symbol): Always
 278         canonicalize version string.
 279
 280 2011-09-26  Cary Coutant  <ccoutant@google.com>
 281
 282         * gold.cc (queue_initial_tasks): Move option checks ...
 283         * options.cc (General_options::finalize): ... to here. Disable
 284         some options; make others fatal.
 285
 286 2011-09-26  Cary Coutant  <ccoutant@google.com>
 287
 288         gcc PR lto/47247
 289         * plugin.cc (get_symbols_v2): New function.
 290         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 291         (is_referenced_from_outside): New function.
 292         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 293         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 294         (get_symbols): Pass version parameter.
 295         (get_symbols_v2): New function.
 296         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 297         parameter.
 298         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 299         (onload): Add LDPT_GET_SYMBOLS_V2.
 300         (all_symbols_read_hook): Use get_symbols_v2; check for
 301         LDPR_PREVAILING_DEF_IRONLY_EXP.
 302         * testsuite/plugin_test_3.sh: Update expected results.
 303
 304 2011-09-23  Simon Baldwin  <simonb@google.com>
 305
 306         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 307         configuration options.
 308         * configure: Regenerate.
 309         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 310         * Makefile.in: Regenerate.
 311         * testsuite/Makefile.in: Regenerate.
 312
 313 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 314
 315         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 316
 317 2011-09-19  Cary Coutant  <ccoutant@google.com>
 318
 319         * incremental.cc (can_incremental_update): Fix typo in comment.
 320         * incremental.h (can_incremental_update): Likewise.
 321
 322 2011-09-18  Cary Coutant  <ccoutant@google.com>
 323
 324         * incremental.cc (can_incremental_update): New function.
 325         * incremental.h (can_incremental_update): New function.
 326         * layout.cc (Layout::init_fixed_output_section): Call it.
 327         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 328         * object.cc (Sized_relobj_file::do_layout): Call
 329         can_incremental_update.
 330
 331 2011-09-13  Cary Coutant  <ccoutant@google.com>
 332
 333         * configure.ac: Check for glibc support for gnu_indirect_function
 334         support with static linking, setting automake conditional
 335         IFUNC_STATIC.
 336         * Makefile.in: Regenerate.
 337         * configure: Regenerate.
 338
 339         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 340         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 341         for IFUNC_STATIC.
 342         * testsuite/Makefile.in: Regenerate.
 343
 344 2011-09-13  Cary Coutant  <ccoutant@google.com>
 345
 346         * incremental.cc (Sized_relobj_incr::do_layout): Call
 347         report_comdat_group for kept comdat sections.
 348         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 349         * testsuite/Makefile.in: Regenerate.
 350         * testsuite/incr_comdat_test_1.cc: New source file.
 351         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 352         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 353         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 354
 355 2011-09-13  Ian Lance Taylor  <iant@google.com>
 356
 357         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 358         variable external_symbols_offset.
 359
 360 2011-09-12  Ian Lance Taylor  <iant@google.com>
 361
 362         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 363         triggered if object has no symbols.
 364
 365 2011-09-09  David S. Miller  <davem@davemloft.net>
 366
 367         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 368         (Output_fill_debug_line::do_write): Likewise.
 369
 370 2011-08-29  Cary Coutant  <ccoutant@google.com>
 371
 372         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 373         casts to match formatting specs.
 374         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 375
 376 2011-08-26  Cary Coutant  <ccoutant@google.com>
 377
 378         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 379         remaining hole size when allocating.
 380         (Layout::make_output_section): Set fill methods for debug sections.
 381         * layout.h (Free_list::Free_list_node): Move from private to
 382         public.
 383         (Free_list::set_min_hole_size): New function.
 384         (Free_list::begin, Free_list::end): New functions.
 385         (Free_list::min_hole_): New data member.
 386         * output.cc: Include dwarf.h.
 387         (Output_fill_debug_info::do_minimum_hole_size): New function.
 388         (Output_fill_debug_info::do_write): New function.
 389         (Output_fill_debug_line::do_minimum_hole_size): New function.
 390         (Output_fill_debug_line::do_write): New function.
 391         (Output_section::Output_section): Initialize new data member.
 392         (Output_section::set_final_data_size): Ensure patch space is larger
 393         than minimum hole size.
 394         (Output_section::do_write): Fill holes in debug sections.
 395         * output.h (Output_fill): New class.
 396         (Output_fill_debug_info): New class.
 397         (Output_fill_debug_line): New class.
 398         (Output_section::set_free_space_fill): New function.
 399         (Output_section::free_space_fill_): New data member.
 400         * testsuite/Makefile.am (incremental_test_3): Add
 401         --incremental-patch option.
 402         (incremental_test_4): Likewise.
 403         (incremental_test_5): Likewise.
 404         (incremental_test_6): Likewise.
 405         (incremental_copy_test): Likewise.
 406         (incremental_common_test_1): Likewise.
 407         * testsuite/Makefile.in: Regenerate.
 408
 409 2011-08-26  Nick Clifton  <nickc@redhat.com>
 410
 411         * po/es.po: Updated Spanish translation.
 412
 413 2011-08-01  Cary Coutant  <ccoutant@google.com>
 414
 415         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 416         * gold/testsuite/Makefile.in: Regenerate.
 417         * gold/testsuite/justsyms_exec.c: New source file.
 418         * gold/testsuite/justsyms_lib.c: New source file.
 419
 420 2011-08-01  Cary Coutant  <ccoutant@google.com>
 421
 422         * layout.cc (Layout::set_segment_offsets): Don't realign text
 423         segment if -Ttext was specified.
 424         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 425         file type.
 426         * object.h (Sized_relobj_file::e_type): New function.
 427         (Sized_relobj_file::e_type_): New data member.
 428         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 429         base address for ET_EXEC files.
 430         * target.cc (Target::do_make_elf_object_implementation): Allow
 431         ET_EXEC files with --just-symbols option.
 432
 433 2011-07-28  Cary Coutant  <ccoutant@google.com>
 434
 435         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 436         Add thread_number parameter.
 437         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 438         * workqueue-threads.cc
 439         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 440         current thread if its thread number is greater than desired thread
 441         count.
 442         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 443         Add thread_number parameter.
 444         (Workqueue::should_cancel_thread): Likewise.
 445         (Workqueue::find_runnable_or_wait): Pass thread_number to
 446         should_cancel_thread.
 447         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 448         parameter.
 449
 450 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 451
 452         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 453         only after checking if it cannot be forced local.
 454         * symtab.h (is_externally_visible): Check if the symbol is not forced
 455         local.
 456
 457 2011-07-15  Ian Lance Taylor  <iant@google.com>
 458
 459         * options.h (class General_options): Add --print-output-format.
 460         Move -EL next to -EB, for  better --help output.
 461         * target-select.cc: Include <cstdio>, "options.h", and
 462         "parameters.h".
 463         (Target_selector::do_target_bfd_name): New function.
 464         (print_output_format): New function.
 465         * target-select.h (class Target_selector): Update declarations.
 466         (Target_selector::target_bfd_name): New function.
 467         (print_output_format): Declare.
 468         * main.cc: Include "target-select.h".
 469         (main): Handle --print-output-format.
 470         * gold.cc: Include "target-select.h".
 471         (queue_initial_tasks): Handle --print-output-format when there are
 472         no input files.
 473         * parameters.cc (parameters_force_valid_target): Give a better
 474         error message if -EB/-EL does not match target.
 475         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 476         function.
 477
 478 2011-07-15  Ian Lance Taylor  <iant@google.com>
 479
 480         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 481         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 482         (Output_data_plt_i386::do_write): Write address of .dynamic
 483         section to first entry in .got.plt section.
 484         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 485         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 486         Initialize layout_.
 487         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 488         section to first entry in .got.plt section.
 489         * layout.h (Layout::dynamic_section): New function.
 490
 491 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 492
 493         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 494         to claim_file call.
 495         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 496         input_section_position_, and input_section_glob_.
 497         (read_layout_from_file): Call function section_ordering_specified.
 498         * layout.h (is_section_ordering_specified): New function.
 499         (section_ordering_specified): New function.
 500         (section_ordering_specified_): New boolean member.
 501         * main.cc(main): Call load_plugins after layout object is defined.
 502         * output.cc (Output_section::add_input_section): Use
 503         function section_ordering_specified to check if section ordering is
 504         needed.
 505         * output.cc (Output_section::add_relaxed_input_section): Use
 506         function section_ordering_specified to check if section ordering is
 507         needed.
 508         (Output_section::update_section_layout): New function.
 509         (Output_section::sort_attached_input_sections): Check if input section
 510         must be reordered.
 511         * output.h (Output_section::update_section_layout): New function.
 512         * plugin.cc (get_section_count): New function.
 513         (get_section_type): New function.
 514         (get_section_name): New function.
 515         (get_section_contents): New function.
 516         (update_section_order): New function.
 517         (allow_section_ordering): New function.
 518         (Plugin::load): Add the new interfaces to the transfer vector.
 519         (Plugin_manager::load_plugins): New parameter.
 520         (Plugin_manager::all_symbols_read): New parameter.
 521         (Plugin_manager::claim_file): New parameter. Save the elf object for
 522         unclaimed objects.
 523         (Plugin_manager::get_elf_object): New function.
 524         (Plugin_manager::get_view): Change to directly use the bool to check
 525         if get_view is called from claim_file_hook.
 526         * plugin.h (input_objects): New function
 527         (Plugin__manager::load_plugins): New parameter.
 528         (Plugin_manager::claim_file): New parameter.
 529         (Plugin_manager::get_elf_object): New function.
 530         (Plugin_manager::in_claim_file_handler): New function.
 531         (Plugin_manager::in_claim_file_handler_): New member.
 532         (layout): New function.
 533         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 534         handler with an extra parameter. Make the elf object before calling
 535         claim_file handler.
 536         * testsuite/plugin_test.c (get_section_count): New function pointer.
 537         (get_section_type): New function pointer.
 538         (get_section_name): New function pointer.
 539         (get_section_contents): New function pointer.
 540         (update_section_order): New function pointer.
 541         (allow_section_ordering): New function pointer.
 542         (onload): Check if the new interfaces exist.
 543
 544 2011-07-13  Ian Lance Taylor  <iant@google.com>
 545
 546         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 547         relro section.
 548         * x86_64.cc (Target_x86_64::got_section): Likewise.
 549         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 550         (relro_now_test_SOURCES): New variable.
 551         (relro_now_test_DEPENDENCIES): New variable.
 552         (relro_now_test_LDFLAGS): New variable.
 553         (relro_now_test_LDADD): New variable.
 554         (relro_now_test.so): New target.
 555         * testsuite/Makefile.in: Rebuild.
 556
 557 2011-07-12  Ian Lance Taylor  <iant@google.com>
 558
 559         PR gold/12980
 560         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 561         GLOB_DAT relocation rather than a RELATIVE relocation for a
 562         protected symbol when creating a shared library.
 563         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 564         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 565         * testsuite/protected_main_1.cc (main): Test that protected
 566         function has same address.
 567
 568 2011-07-11  Ian Lance Taylor  <iant@google.com>
 569
 570         PR gold/12979
 571         * options.h (class General_options): Add -Bgroup.
 572         * options.cc (General_options::finalize): If -Bgroup is set,
 573         default to --unresolved-symbols=report-all.
 574         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 575         * target-reloc.h (issue_undefined_symbol_error): Handle
 576         --unresolved-symbols=report-all.
 577
 578 2011-07-08  Ian Lance Taylor  <iant@google.com>
 579
 580         PR gold/11985
 581         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 582         if linker script discards key sections.
 583         (Layout::create_dynamic_symtab): Likewise.
 584         (Layout::assign_local_dynsym_offsets): Likewise.
 585         (Layout::sized_create_version_sections): Likewise.
 586         (Layout::create_interp): Likewise.
 587         (Layout::finish_dynamic_section): Likewise.
 588         (Layout::set_dynamic_symbol_size): Likewise.
 589
 590 2011-07-08  Ian Lance Taylor  <iant@google.com>
 591
 592         PR gold/12386
 593         * options.h (class General_options): Add --unresolved-symbols.
 594         * target-reloc.h (issue_undefined_symbol_error): Check
 595         --unresolved-symbols.  Add comments.
 596
 597 2011-07-08  Ian Lance Taylor  <iant@google.com>
 598
 599         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 600         expression more complex.
 601
 602 2011-07-08  Ian Lance Taylor  <iant@google.com>
 603
 604         PR gold/11317
 605         * target-reloc.h (issue_undefined_symbol_error): New inline
 606         function, broken out of relocate_section.
 607         (relocate_section): Call issue_undefined_symbol_error.
 608         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 609         there is no TLS segment if we are about to issue an undefined
 610         symbol error.
 611         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 612
 613 2011-07-08  Ian Lance Taylor  <iant@google.com>
 614
 615         PR gold/12279
 616         * resolve.cc (Symbol_table::should_override): Add fromtype
 617         parameter.  Change all callers.  Give error when linking together
 618         TLS and non-TLS symbol.
 619         (Symbol_table::should_override_with_special): Add fromtype
 620         parameter.  Change all callers.
 621         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 622         there is no TLS segment if we have reported some errors.
 623         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 624
 625 2011-07-08  Ian Lance Taylor  <iant@google.com>
 626
 627         PR gold/12372
 628         * target.h (Target::plt_address_for_global): New function.
 629         (Target::plt_address_for_local): New function.
 630         (Target::plt_section_for_global): Remove.
 631         (Target::plt_section_for_local): Remove.
 632         (Target::do_plt_address_for_global): New virtual function.
 633         (Target::do_plt_address_for_local): New virtual function.
 634         (Target::do_plt_section_for_global): Remove.
 635         (Target::do_plt_section_for_local): Remove.
 636         (Target::register_global_plt_entry): Add Symbol_table and Layout
 637         parameters.
 638         * output.cc (Output_data_got::Got_entry::write): Use
 639         plt_address_for_global and plt_address_for_local.
 640         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 641         address of output section.
 642         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 643         got_irelative_, and irelative_count_ fields.  Update
 644         declarations.
 645         (Output_data_plt_i386::has_irelative_section): New function.
 646         (Output_data_plt_i386::entry_count): Add irelative_count_.
 647         (Output_data_plt_i386::set_final_data_size): Likewise.
 648         (class Target_i386): Add got_irelative_ and rel_irelative_
 649         fields.  Update declarations.
 650         (Target_i386::Target_i386): Initialize new fields.
 651         (Target_i386::do_plt_address_for_global): New function replacing
 652         do_plt_section_for_global.
 653         (Target_i386::do_plt_address_for_local): New function replacing
 654         do_plt_section_for_local.
 655         (Target_i386::got_section): Create got_irelative_.
 656         (Target_i386::rel_irelative_section): New function.
 657         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 658         fields.  Don't define __rel_iplt_{start,end}.
 659         (Output_data_plt_i386::add_entry): Add symtab and layout
 660         parameters.  Change all callers.  Use different PLT and GOT for
 661         IFUNC symbols.
 662         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 663         layout parameters.  Change all callers.  Use different PLT and
 664         GOT.
 665         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 666         (Output_data_plt_i386::rel_irelative): New function.
 667         (Output_data_plt_i386::address_for_global): New function.
 668         (Output_data_plt_i386::address_for_local): New function.
 669         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 670         IRELATIVE GOT when changing IFUNC GOT entries.
 671         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 672         reloc.
 673         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 674         if we didn't create an IRELATIVE GOT.
 675         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 676         plt_address_for_local.
 677         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 678         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 679         got_irelative_, and irelative_count_ fields.  Update
 680         declarations.
 681         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 682         Initialize new fields.  Remove symtab parameter.  Change all
 683         callers.
 684         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 685         irelative_count_.
 686         (Output_data_plt_x86_64::has_irelative_section): New function.
 687         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 688         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 689         fields.  Update declarations.
 690         (Target_x86_64::Target_x86_64): Initialize new fields.
 691         (Target_x86_64::do_plt_address_for_global): New function replacing
 692         do_plt_section_for_global.
 693         (Target_x86_64::do_plt_address_for_local): New function replacing
 694         do_plt_section_for_local.
 695         (Target_x86_64::got_section): Create got_irelative_.
 696         (Target_x86_64::rela_irelative_section): New function.
 697         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 698         all callers.  Don't create __rel_iplt_{start,end}.
 699         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 700         parameters.  Change all callers.  Use different PLT and GOT for
 701         IFUNC symbols.
 702         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 703         layout parameters.  Change all callers.  Use different PLT and
 704         GOT.
 705         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 706         parameters.  Change all callers.  Use different PLT and GOT for
 707         IFUNC symbols.
 708         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 709         (Output_data_plt_x86_64::rela_irelative): New function.
 710         (Output_data_plt_x86_64::address_for_global): New function.
 711         (Output_data_plt_x86_64::address_for_local): New function.
 712         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 713         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 714         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 715         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 716         parameters.
 717         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 718         reloc.
 719         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 720         symbols if we didn't create an IRELATIVE GOT.
 721         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 722         plt_address_for_local.
 723         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 724         * testsuite/ifuncvar1.c: New test file.
 725         * testsuite/ifuncvar2.c: New test file.
 726         * testsuite/ifuncvar3.c: New test file.
 727         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 728         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 729         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 730         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 731         * testsuite/Makefile.in: Rebuild.
 732
 733 2011-07-07  Cary Coutant  <ccoutant@google.com>
 734
 735         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 736         (two_file_test_1_ndebug.o): Likewise.
 737         (two_file_test_1b_ndebug.o): Likewise.
 738         (two_file_test_2_ndebug.o): Likewise.
 739         (two_file_test_main_ndebug.o): Likewise.
 740         (incremental_test_2): Link with no-debug versions.
 741
 742 2011-07-06  Cary Coutant  <ccoutant@google.com>
 743
 744         * gold/incremental.cc
 745         (Output_section_incremental_inputs::write_info_blocks): Check for
 746         hidden and internal symbols.
 747
 748 2011-07-06  Cary Coutant  <ccoutant@google.com>
 749
 750         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 751         Check disposition for startup file.
 752         (Incremental_inputs::report_command_line): Ignore
 753         --incremental-startup-unchanged option.
 754         * options.cc (General_options::parse_incremental_startup_unchanged):
 755         New function.
 756         (General_options::General_options): Initialize new data member.
 757         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 758         (General_options): Add --incremental-startup-unchanged option.
 759         (General_options::incremental_startup_disposition): New function.
 760         (General_options::incremental_startup_disposition_): New data member.
 761
 762 2011-07-06  Cary Coutant  <ccoutant@google.com>
 763
 764         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 765         input file index to Script_info ctor.
 766         (Sized_incremental_binary::do_file_has_changed): Find the
 767         command-line argument for files named in scripts.
 768         * incremental.h (Script_info::Script_info): New ctor
 769         with input file index.
 770         (Script_info::input_file_index): New function.
 771         (Script_info::input_file_index_): New data member.
 772         (Incremental_binary::get_library): Add const.
 773         (Incremental_binary::get_script_info): Add const.
 774         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 775         * testsuite/Makefile.am (incremental_test_5): New test case.
 776         (incremental_test_6): New test case.
 777         * testsuite/Makefile.in: Regenerate.
 778
 779 2011-07-06  Cary Coutant  <ccoutant@google.com>
 780
 781         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 782         debug output when command lines differ.
 783
 784 2011-07-06  Cary Coutant  <ccoutant@google.com>
 785
 786         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 787         --incremental-patch option.
 788         * layout.cc (Free_list::allocate): Extend allocation beyond original
 789         end if enabled.
 790         (Layout::make_output_section): Mark sections that should get
 791         patch space.
 792         * options.cc (parse_percent): New function.
 793         * options.h (parse_percent): New function.
 794         (DEFINE_percent): New macro.
 795         (General_options): Add --incremental-patch option.
 796         * output.cc (Output_section::Output_section): Initialize new data
 797         members.
 798         (Output_section::add_input_section): Print section name when out
 799         of patch space.
 800         (Output_section::add_output_section_data): Likewise.
 801         (Output_section::set_final_data_size): Add patch space when
 802         doing --incremental-full.
 803         (Output_section::do_reset_address_and_file_offset): Remove patch
 804         space.
 805         (Output_segment::set_section_list_addresses): Print debug output
 806         only if --incremental-update.
 807         * output.h (Output_section::set_is_patch_space_allowed): New function.
 808         (Output_section::is_patch_space_allowed_): New data member.
 809         (Output_section::patch_space_): New data member.
 810         * parameters.cc (Parameters::incremental_full): New function.
 811         * parameters.h (Parameters::incremental_full): New function
 812         * testsuite/Makefile.am (incremental_test_2): Add test for
 813         --incremental-patch option.
 814         * testsuite/Makefile.in: Regenerate.
 815         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 816         (t18): Remove function body.
 817
 818 2011-07-05  Doug Kwan  <dougkwan@google.com>
 819
 820         PR gold/12771
 821         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 822         Arm_Address type for relocation result.
 823         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 824         overflow check.
 825         (Arm_relocate_functions::abs32): Use unaligned access.
 826         (Arm_relocate_functions::rel32): Ditto.
 827         (Arm_relocate_functions::prel31): Ditto.
 828         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 829         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 830         static data relocations.
 831         * testsuite/Makefile.in: Regnerate.
 832         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 833
 834 2011-07-05  Ian Lance Taylor  <iant@google.com>
 835
 836         PR gold/12392
 837         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 838         symbols if necessary.
 839         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 840
 841 2011-07-05  Ian Lance Taylor  <iant@google.com>
 842
 843         PR gold/12952
 844         * resolve.cc (Symbol::override_base_with_special): Simply override
 845         version with special symbol version, ignoring previous version.
 846
 847 2011-07-05  Ian Lance Taylor  <iant@google.com>
 848
 849         * object.cc (Sized_relobj_file::include_section_group): Add
 850         information to comment about signature location.
 851
 852 2011-07-02  Ian Lance Taylor  <iant@google.com>
 853
 854         PR gold/12957
 855         * options.h (class General_options): Add -f and -F.
 856         * options.cc (General_options::finalize): Fatal error if -f/-F
 857         are used without -shared.
 858         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
 859
 860 2011-07-02  Ian Lance Taylor  <iant@google.com>
 861
 862         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
 863
 864 2011-07-01  Ian Lance Taylor  <iant@google.com>
 865
 866         PR gold/12525
 867         PR gold/12952
 868         * resolve.cc (Symbol::override_base_with_special): Don't override
 869         the version if the overriding symbol has a different name.
 870         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
 871         all callers.  If we give an error about an undefined version,
 872         define the base version if necessary.
 873         * dynobj.h (class Versions): Update declaration.
 874         * testsuite/weak_alias_test_5.cc: New file.
 875         * testsuite/weak_alias_test.script: New file.
 876         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
 877         and versioned_alias have the right value, and call t2.
 878         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
 879         weak_alias_test_5.so.
 880         (weak_alias_test_LDADD): Likewise.
 881         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
 882         * testsuite/Makefile.in: Rebuild.
 883
 884 2011-07-01  Ian Lance Taylor  <iant@google.com>
 885
 886         PR gold/12525
 887         * options.h (class General_options): Support -z notext.
 888         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
 889         -Wl,-z,notext.
 890         (two_file_shared_nonpic.so): Likewise.
 891         (two_file_shared_mixed.so): Likewise.
 892         (two_file_shared_mixed_1.so): Likewise.
 893         (weak_undef_lib_nonpic.so): Likewise.
 894         (alt/weak_undef_lib_nonpic.so): Likewise.
 895         (tls_test_shared_nonpic.so): Likewise.
 896         * testsuite/Makefile.in: Rebuild.
 897
 898 2011-07-01  Ian Lance Taylor  <iant@google.com>
 899
 900         PR gold/12525
 901         * configure.ac: Test whether static linking works, setting
 902         the automake conditional HAVE_STATIC.
 903         * testsuite/Makefile.am: Disable tests using -static if
 904         HAVE_STATIC is not true.
 905         * configure, testsuite/Makefile.in: Rebuild.
 906
 907 2011-07-01  Ian Lance Taylor  <iant@google.com>
 908
 909         PR gold/12525
 910         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
 911         Assert if we see DW_EH_PE_indirect.
 912         * target.h (Target::ehframe_datarel_base): New function.
 913         (Target::do_ehframe_datarel_base): New target function.
 914         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
 915         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
 916         function.
 917
 918 2011-07-01  Ian Lance Taylor  <iant@google.com>
 919
 920         PR gold/12571
 921         * options.h (class General_options): Add
 922         --ld-generated-unwind-info.
 923         * ehframe.cc (Fde::write): Add address parameter.  Change all
 924         callers.  If associated with PLT, fill in address and size.
 925         (Cie::set_output_offset): Only add merge mapping if there is an
 926         object.
 927         (Cie::write): Add address parameter.  Change all callers.
 928         (Eh_frame::add_ehframe_for_plt): New function.
 929         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
 930         input_offset_ fields into union u_, with new plt field.
 931         (Fde::Fde): Adjust for new union field.
 932         (Fde::Fde) [Output_data version]: New constructor.
 933         (Fde::add_mapping): Only add merge mapping if there is an object.
 934         (class Cie): Update declarations.
 935         (class Eh_frame): Declare add_ehframe_for_plt.
 936         * layout.cc (Layout::layout_eh_frame): Break out code into
 937         make_eh_frame_section, and call it.
 938         (Layout::make_eh_frame_section): New function.
 939         (Layout::add_eh_frame_for_plt): New function.
 940         * layout.h (class Layout): Update declarations.
 941         * merge.cc (Merge_map::add_mapping): Add assertion.
 942         * i386.cc: Include "dwarf.h".
 943         (class Output_data_plt_i386): Make first_plt_entry,
 944         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
 945         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 946         and plt_eh_frame_fde.
 947         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
 948         boundary.  Call add_eh_frame_for_plt if appropriate.
 949         * x86_64.cc: Include "dwarf.h".
 950         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
 951         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
 952         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 953         and plt_eh_frame_fde.
 954         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
 955         appropriate.
 956
 957 2011-06-29  Ian Lance Taylor  <iant@google.com>
 958
 959         PR gold/12629
 960         * object.cc (Sized_relobj_file::layout_section): Change shdr
 961         parameter to be const.
 962         (Sized_relobj_file::layout_eh_frame_section): New function, broken
 963         out of do_layout.
 964         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
 965         appropriate.  Call layout_eh_frame_section.
 966         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
 967         sections.
 968         * object.h (class Sized_relobj_file): Update declarations.
 969
 970 2011-06-29  Ian Lance Taylor  <iant@google.com>
 971
 972         PR gold/12652
 973         * script.cc (Token::integer_value): Accept trailing M/m/K/k
 974         modifier.
 975         (Lex::gather_token): Accept trailing M/m/K/k for integers.
 976
 977 2011-06-29  Ian Lance Taylor  <iant@google.com>
 978
 979         PR gold/12675
 980         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
 981         SHT_X86_64_UNWIND.
 982         * layout.cc (Layout::layout_eh_frame): Likewise.
 983
 984 2011-06-29  Ian Lance Taylor  <iant@google.com>
 985
 986         PR gold/12695
 987         * layout.cc (Layout::symtab_section_shndx): New function.
 988         * layout.h (class Layout): Declare symtab_section_shndx.
 989         * output.cc (Output_section::write_header): Call it.
 990
 991 2011-06-29  Ian Lance Taylor  <iant@google.com>
 992
 993         PR gold/12818
 994         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
 995         symbols which are not used in a relocation.
 996
 997 2011-06-28  Ian Lance Taylor  <iant@google.com>
 998
 999         PR gold/12898
1000         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1001         script create indistinguishable segments.
1002         (Layout::set_segment_offsets): Use stable_sort when sorting
1003         segments.  Pass this to Compare_segments constructor.
1004         * layout.h (class Layout): Make segment_precedes non-static.
1005         (class Compare_segments): Change from struct to class.  Add
1006         layout_ field.  Add constructor.
1007         * script-sections.cc
1008         (Script_sections::attach_sections_using_phdrs_clause): Rename
1009         local orphan to is_orphan.  Don't report failure to put empty
1010         section in segment.  On attachment failure, report name of
1011         section, and attach to first PT_LOAD segment.
1012
1013 2011-06-28  Ian Lance Taylor  <iant@google.com>
1014
1015         PR gold/12934
1016         * target-select.cc (Target_selector::Target_selector): Add
1017         emulation parameter.  Change all callers.
1018         (select_target_by_bfd_name): Rename from select_target_by_name.
1019         Change all callers.
1020         (select_target_by_emulation): New function.
1021         (supported_emulation_names): New function.
1022         * target-select.h (class Target_selector): Add emulation_ field.
1023         Update declarations.
1024         (Target_selector::recognize_by_bfd_name): Rename from
1025         recognize_by_name.  Change all callers.
1026         (Target_selector::supported_bfd_names): Rename from
1027         supported_names.  Change all callers.
1028         (Target_selector::recognize_by_emulation): New function.
1029         (Target_selector::supported_emulations): New function.
1030         (Target_selector::emulation): New function.
1031         (Target_selector::do_recognize_by_bfd_name): Rename from
1032         do_recognize_by_name.  Change all callers.
1033         (Target_selector::do_supported_bfd_names): Rename from
1034         do_supported_names.  Change all callers.
1035         (Target_selector::do_recognize_by_emulation): New function.
1036         (Target_selector::do_supported_emulations): New function.
1037         (select_target_by_bfd_name): Change name in declaration.
1038         (select_target_by_emulation): Declare.
1039         (supported_emulation_names): Declare.
1040         * parameters.cc (parameters_force_valid_target): Try to find
1041         target based on emulation from -m option.
1042         * options.h (class General_options): Change doc string for -m.
1043         * options.cc (help): Print emulations.
1044         (General_options::parse_V): Likewise.
1045         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1046         Add emulation parameter.  Change all callers.
1047
1048 2011-06-28  Ian Lance Taylor  <iant@google.com>
1049
1050         * target.h (class Target): Add osabi_ field.
1051         (Target::osabi): New function.
1052         (Target::set_osabi): New function.
1053         (Target::Target): Initialize osabi_.
1054         (Target::do_adjust_elf_header): Make pure virtual.
1055         (Sized_target::do_adjust_elf_header): Declare.
1056         * target.cc (Sized_target::do_adjust_elf_header): New function.
1057         (class Sized_target): Instantiate all versions.
1058         * freebsd.h (class Target_freebsd): Remove.
1059         (Target_selector_freebsd::do_recognize): Call set_osabi on
1060         Target.
1061         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1062         (Target_selector_freebsd::set_osabi): Remove.
1063         * i386.cc (class Target_i386): Inherit from Sized_target rather
1064         than Target_freebsd.
1065         * x86_64.cc (class Target_x86_64): Likewise.
1066
1067 2011-06-28  Ian Lance Taylor  <iant@google.com>
1068
1069         * target.h (Target::can_check_for_function_pointers): Rewrite.
1070         Make non-virtual.
1071         (Target::can_icf_inline_merge_sections): Likewise.
1072         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1073         (Target::Target_info): Add can_icf_inline_merge_sections field.
1074         (Target::do_can_check_for_function_pointers): New virtual
1075         function.
1076         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1077         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1078         from can_check_for_function_pointers, move in file.
1079         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1080         section_may_have_icf_unsafe_poineters, move in file.
1081         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1082         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1083         Rename from can_check_for_function_pointers, move in file.
1084         (Target_i386::can_icf_inline_merge_sections): Remove.
1085         (Target_i386::i386_info): Initialize
1086         can_icf_inline_merge_sections.
1087         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1088         Initialize can_icf_inline_merge_sections.
1089         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1090         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1091         Rename from can_check_for_function_pointers, move in file.
1092         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1093         (Target_x86_64::x86_64_info): Initialize
1094         can_icf_inline_merge_sections.
1095         * testsuite/testfile.cc (Target_test::test_target_info):
1096         Likewise.
1097         * icf.cc (get_section_contents): Correct formatting.
1098
1099 2011-06-27  Ian Lance Taylor  <iant@google.com>
1100
1101         * symtab.cc (Symbol::versioned_name): New function.
1102         (Symbol_table::add_to_final_symtab): Use versioned_name when
1103         appropriate.
1104         (Symbol_table::sized_write_symbol): Likewise.
1105         * symtab.h (class Symbol): Declare versioned_name.
1106         * stringpool.h (class Stringpool_template): Add variant of add
1107         which takes a std::basic_string.
1108         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1109         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1110         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1111         (ver_test_12.o): New target.
1112         * testsuite/Makefile.in: Rebuild.
1113
1114 2011-06-27  Doug Kwan  <dougkwan@google.com>
1115
1116         * arm.cc (Arm_relocate_functions::thm_jump8,
1117         Arm_relocate_functions::thm_jump11): Use a wider signed
1118         type to compute offset.
1119         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1120         arm_thm_jump8.
1121         * testsuite/Makefile.in: Regenerate.
1122         * testsuite/arm_branch_in_range.sh: Check test results of
1123         arm_thm_jump11 and arm_thm_jump8.
1124         * testsuite/arm_thm_jump11.s: New test source file.
1125         * testsuite/arm_thm_jump11.t: New linker script.
1126         * testsuite/arm_thm_jump8.s: New test source file.
1127         * testsuite/arm_thm_jump8.t: New linker script.
1128
1129 2011-06-24  Ian Lance Taylor  <iant@google.com>
1130
1131         * layout.cc: Include "object.h".
1132         (ctors_sections_in_init_array): New static variable.
1133         (Layout::is_ctors_in_init_array): New function.
1134         (Layout::layout): Add entry to ctors_sections_in_init_array if
1135         appropriate.
1136         * layout.h (class Layout): Declare is_ctors_in_init_array.
1137         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1138         is_ctors_reverse_view is set.
1139         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1140         all callers.  Set is_ctors_reverse_view field of View_size.
1141         (Sized_relobj_file::reverse_words): New function.
1142         * object.h (Sized_relobj_file::View_size): Add
1143         is_ctors_reverse_view field.
1144         (class Sized_relobj_file): Update declarations.
1145         * testsuite/initpri3.c: New test.
1146         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1147         initpri3b.
1148         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1149         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1150         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1151         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1152         * testsuite/Makefile.in: Rebuild.
1153
1154 2011-06-24  Cary Coutant  <ccoutant@google.com>
1155
1156         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1157         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1158         (debug_msg_cdebug.err): New targets.
1159         * testsuite/Makefile.in: Regenerate.
1160         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1161         Fix checks for link with shared library.
1162
1163 2011-06-24  Doug Kwan  <dougkwan@google.com>
1164
1165         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1166         skip empty text sections.
1167         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1168
1169 2011-06-22  Ian Lance Taylor  <iant@google.com>
1170
1171         PR gold/12910
1172         * options.h (class General_options): Add --ctors-in-init-array.
1173         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1174         friends as SHT_PROGBITS for merging sections.
1175         (Layout::layout): Remove special handling of .init_array and
1176         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1177         and .dtors if ctors_in_init_array.
1178         (Layout::make_output_section): Force correct section types for
1179         .init_array and friends.  Don't sort if doing relocatable link,
1180         Don't sort .ctors and .dtors if ctors_in_init_array.
1181         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1182         (Layout::output_section_name): Add relobj parameter.  Change all
1183         callers.  Handle .ctors. and .dtors. in code rather than table.
1184         Handle .ctors and .dtors if ctors_in_init_array.
1185         (Layout::match_file_name): New function, moved from output.cc.
1186         * layout.h (class Layout): Update declarations.
1187         * output.cc: Include "layout.h".
1188         (Input_section_sort_entry::get_priority): New function.
1189         (Input_section_sort_entry::match_file_name): Just call
1190         Layout::match_file_name.
1191         (Output_section::Input_section_sort_init_fini_compare::operator()):
1192         Handle .ctors and .dtors.  Sort by explicit priority rather than
1193         by name.
1194         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1195         * testsuite/initpri2.c: New test.
1196         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1197         (check_PROGRAMS): Add initpri2.
1198         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1199         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1200         * configure, testsuite/Makefile.in: Rebuild.
1201
1202 2011-06-19  Ian Lance Taylor  <iant@google.com>
1203
1204         PR gold/12880
1205         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1206         .interp section to a PT_INTERP segment even if we have seen a
1207         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1208         clause in a linker script.
1209         (Layout::finalize): Don't create a .interp section if we've
1210         already create a PT_INTERP segment.
1211         (Layout::create_interp): Always call choose_output_section (revert
1212         patch of 2011-06-17).  Don't create PT_INTERP segment.
1213         * script-sections.cc
1214         (Script_sections::create_note_and_tls_segments): Add a .interp
1215         section to a PT_INTERP segment even if we have seen a
1216         --dynamic-linker option.
1217
1218 2011-06-18  Ian Lance Taylor  <iant@google.com>
1219
1220         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1221         merely because a non-PT_LOAD segment has a dynamic reloc.
1222
1223 2011-06-18  Ian Lance Taylor  <iant@google.com>
1224
1225         * layout.cc (Layout::finish_dynamic_section): Don't create
1226         DT_FLAGS entry if not needed.
1227
1228 2011-06-18  Ian Lance Taylor  <iant@google.com>
1229
1230         PR gold/12745
1231         * layout.cc (Layout::layout_eh_frame): Correct handling of
1232         writable .eh_frame section.
1233
1234 2011-06-17  Ian Lance Taylor  <iant@google.com>
1235
1236         PR gold/12893
1237         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1238         symbol is redefined with the exact same object and value.
1239
1240 2011-06-17  Ian Lance Taylor  <iant@google.com>
1241
1242         PR gold/12880
1243         * layout.h (class Layout): Add interp_segment_ field.
1244         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1245         (Layout::attach_allocated_section_to_segment): If making shared
1246         library, put .interp section in PT_INTERP segment.
1247         (Layout::finalize): Also call create_interp if -dynamic-linker
1248         option was used.
1249         (Layout::create_interp): Assert that there is no PT_INTERP
1250         segment.  If not using a SECTIONS clause, use make_output_section.
1251         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1252         * script-sections.cc
1253         (Script_sections::create_note_and_tls_segments): If making shared
1254         library, put .interp section in PT_INTERP segment.
1255
1256 2011-06-17  Ian Lance Taylor  <iant@google.com>
1257
1258         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1259         when making a shared library.
1260
1261 2011-06-17  Ian Lance Taylor  <iant@google.com>
1262
1263         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1264         parameter.  Change all callers.  Don't issue warning about PC32
1265         against locally defined symbol.
1266
1267 2011-06-16  Ian Lance Taylor  <iant@google.com>
1268
1269         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1270         occurs in same object.
1271
1272 2011-06-14  Alan Modra  <amodra@gmail.com>
1273
1274         * po/POTFILES.in: Regenerate.
1275
1276 2011-06-09  Ian Lance Taylor  <iant@google.com>
1277
1278         * script-sections.cc
1279         (Orphan_output_section::set_section_addresses): For a relocatable
1280         link set address to 0.
1281
1282 2011-06-09  Cary Coutant  <ccoutant@google.com>
1283
1284         PR gold/12804
1285         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1286         used with --compress-debug-sections.
1287         * gold/object.cc (Sized_relobj_file::do_layout): Report
1288         uncompressed size of compressed input sections.
1289
1290 2011-06-08  Cary Coutant  <ccoutant@google.com>
1291
1292         PR gold/12804
1293         * testsuite/two_file_test_2_v1.cc: Change initialization of
1294         v2 to keep it in .data.
1295
1296 2011-06-07  Cary Coutant  <ccoutant@google.com>
1297
1298         * common.cc (Symbol_table::do_allocate_commons_list): Call
1299         gold_fallback.
1300         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1301         (Errors::fallback): New function.
1302         (gold_fallback): New function.
1303         * errors.h (Errors::fallback): New function.
1304         * gold.cc (gold_exit): Change status parameter to enum; adjust
1305         all callers.
1306         (queue_initial_tasks): Call gold_fallback.
1307         * gold.h: Include cstdlib.
1308         (Exit_status): New enum type.
1309         (gold_exit): Change status parameter to enum.
1310         (gold_fallback): New function.
1311         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1312         (Layout::create_symtab_sections): Likewise.
1313         (Layout::create_shdrs): Likewise.
1314         * main.cc (main): Adjust call to gold_exit.
1315         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1316         (Output_data_got::add_got_entry_pair): Likewise.
1317         (Output_section::add_input_section): Likewise.
1318         (Output_section::add_output_section_data): Likewise.
1319         (Output_segment::set_section_list_addresses): Likewise.
1320         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1321
1322 2011-06-07  Cary Coutant  <ccoutant@google.com>
1323
1324         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1325         for incremental links.
1326         * output.cc (Output_segment::set_section_list_addresses): Remove
1327         FIXME and test for TLS or BSS.
1328
1329 2011-06-07  Cary Coutant  <ccoutant@google.com>
1330
1331         * testsuite/Makefile.am: Add incremental_copy_test,
1332         incremental_common_test_1.
1333         * testsuite/Makefile.in: Regenerate.
1334         * testsuite/common_test_1_v1.c: New source file.
1335         * testsuite/common_test_1_v2.c: New source file.
1336         * testsuite/copy_test_v1.cc: New source file.
1337
1338 2011-06-07  Cary Coutant  <ccoutant@google.com>
1339
1340         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1341         update, allocate common from bss section's free list.
1342         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1343         linker-defined symbols.
1344         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1345         Skip GOT and PLT entries that are no longer referenced.
1346         (Output_section_incremental_inputs::write_info_blocks): Mark
1347         linker-defined symbols.
1348         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1349         * output.cc (Output_section::allocate): New function.
1350         * output.h (Output_section::allocate): New function.
1351         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1352         linker-defined symbols.
1353         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1354         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1355         (Symbol::init_base_output_data): Likewise.
1356         (Symbol::init_base_output_segment): Likewise.
1357         (Symbol::init_base_constant): Likewise.
1358         (Sized_symbol::init_output_data): Likewise.
1359         (Sized_symbol::init_output_segment): Likewise.
1360         (Sized_symbol::init_constant): Likewise.
1361         (Symbol_table::do_define_in_output_data): Likewise.
1362         (Symbol_table::do_define_in_output_segment): Likewise.
1363         (Symbol_table::do_define_as_constant): Likewise.
1364         * symtab.h (Symbol::is_predefined): New function.
1365         (Symbol::init_base_output_data): Add is_predefined parameter.
1366         (Symbol::init_base_output_segment): Likewise.
1367         (Symbol::init_base_constant): Likewise.
1368         (Symbol::is_predefined_): New data member.
1369         (Sized_symbol::init_output_data): Add is_predefined parameter.
1370         (Sized_symbol::init_output_segment): Likewise.
1371         (Sized_symbol::init_constant): Likewise.
1372         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1373
1374 2011-06-07  Cary Coutant  <ccoutant@google.com>
1375
1376         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1377         instead of emit_copy_reloc.
1378         (Copy_relocs::emit_copy_reloc): Refactor.
1379         (Copy_relocs::make_copy_reloc): New function.
1380         (Copy_relocs::add_copy_reloc): Remove.
1381         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1382         section.
1383         (Copy_relocs::make_copy_reloc): New function.
1384         (Copy_relocs::add_copy_reloc): Remove.
1385         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1386         unchanged input files.
1387         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1388         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1389         Reserve BSS space for COPY relocations.
1390         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1391         (Output_section_incremental_inputs::write_info_blocks): Record
1392         whether a symbol is copied from a shared object.
1393         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1394         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1395         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1396         (Incremental_input_entry_reader::get_output_symbol_index): Add
1397         is_copy parameter.
1398         (Incremental_binary::emit_copy_relocs): New function.
1399         (Incremental_binary::do_emit_copy_relocs): New function.
1400         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1401         new data member.
1402         (Sized_incremental_binary::add_copy_reloc): New function.
1403         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1404         (Sized_incremental_binary::Copy_reloc): New struct.
1405         (Sized_incremental_binary::Copy_relocs): New typedef.
1406         (Sized_incremental_binary::copy_relocs_): New data member.
1407         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1408         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1409         * target.h (Sized_target::emit_copy_reloc): New function.
1410         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1411
1412 2011-06-02  Cary Coutant  <ccoutant@google.com>
1413
1414         PR gold/12163
1415         * gold/archive.cc (Archive::Archive): Initialize new data member.
1416         (Archive::include_all_members): Return if archive has already been
1417         included.
1418         * gold/archive.h (Archive::include_all_members_): New data member.
1419
1420 2011-06-02  Nick Clifton  <nickc@redhat.com>
1421
1422         * dynobj.h: Fix spelling mistake in comment.
1423         * output.cc: Likewise.
1424
1425 2011-05-31  Doug Kwan  <dougkwan@google.com>
1426             Asier Llano
1427
1428         PR gold/12826
1429         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1430         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1431         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1432         redundant arm_exidx_test.so.
1433         * testsuite/Makefile.in: Regenerate.
1434         (check_SCRIPTS): Add pr12826.sh
1435         (check_DATA): Add pr12826.stdout
1436         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1437         * testsuite/pr12826.sh: New file.
1438         * testsuite/pr12826_1.s: Ditto.
1439         * testsuite/pr12826_1.s: Ditto.
1440
1441 2011-05-30  Ian Lance Taylor  <iant@google.com>
1442
1443         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1444         sections.
1445
1446 2011-05-29  Ian Lance Taylor  <iant@google.com>
1447
1448         PR gold/12804
1449         * testsuite/Makefile.am: Use different file name for two_file_test
1450         temporary file for each incremental test.
1451         * testsuite/Makefile.in: Rebuild.
1452
1453 2011-05-29  Ian Lance Taylor  <iant@google.com>
1454
1455         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1456         binary input file is empty.
1457
1458 2011-05-27  Ian Lance Taylor  <iant@google.com>
1459
1460         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1461         (ver_test_9.so): Likewise.
1462         * testsuite/Makefile.in: Rebuild.
1463
1464 2011-05-26 Cary Coutant  <ccoutant@google.com>
1465
1466         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1467         * incremental.cc (Incremental_inputs::report_input_section): Fix
1468         comment, indentation.
1469         (Incremental_inputs::report_comdat_group): New function.
1470         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1471         of data for incremental input file entry.
1472         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1473         group count, COMDAT group signatures.
1474         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1475         an unchanged input file.
1476         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1477         Initialize new data member.
1478         (Incremental_object_entry::add_comdat_group): New function.
1479         (Incremental_object_entry::get_comdat_group_count): New function.
1480         (Incremental_object_entry::get_comdat_signature_key): New function.
1481         (Incremental_object_entry::groups_): New data member.
1482         (Incremental_inputs::report_comdat_group): New function.
1483         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1484         data for incremental input file entry.
1485         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1486         (Incremental_input_entry_reader::get_input_section): Adjust size of
1487         data for incremental input file entry.
1488         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1489         (Incremental_input_entry_reader::get_comdat_group_signature): New
1490         function.
1491         * object.cc (Sized_relobj::include_section_group): Report kept
1492         COMDAT groups for incremental links.
1493
1494 2011-05-24  David Meyer  <pdox@google.com>
1495
1496         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1497         with name parameter.  Add found_name parameter.
1498         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1499         * dirsearch.h (class Dirsearch): Update declaration.
1500
1501 2011-05-24  Ian Lance Taylor  <iant@google.com>
1502
1503         * archive.cc (Library_base::should_include_member): Pull in object
1504         from archive if it defines the entry symbol.
1505         * parameters.cc (Parameters::entry): New function.
1506         * parameters.h (class Parameters): Declare entry.
1507         * output.h (class Output_file_header): Remove entry_ field.
1508         * output.cc (Output_file_header::Output_file_header): Remove entry
1509         parameter.  Change all callers.
1510         (Output_file_header::entry): Use parameters->entry.
1511         * gold.cc (queue_middle_tasks): Likewise.
1512         * plugin.cc (Plugin_hook::run): Likewise.
1513
1514 2011-05-24 Cary Coutant  <ccoutant@google.com>
1515
1516         * gold.cc (queue_initial_tasks): Pass incremental base filename
1517         to Output_file::open_base_file; don't print error message.
1518         * incremental-dump.cc (main): Adjust call to
1519         Output_file::open_for_modification.
1520         * incremental-dump.cc (main): Likewise.
1521         * incremental.cc (Incremental_inputs::report_command_line):
1522         Ignore --incremental-base option when comparing command lines.
1523         Ignore parameter when given as separate argument.
1524         * options.h (class General_options): Add --incremental-base.
1525         * output.cc (Output_file::Output_file):
1526         (Output_file::open_base_file): Add base_name and writable parameters;
1527         read base file into new file; print error message here.
1528         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1529         callers.
1530         * output.h (Output_file::open_for_modification): Rename to...
1531         (Output_file::open_base_file): ...this; add base_name and
1532         writable parameters; adjust all callers.
1533         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1534         callers.
1535         * testsuite/Makefile.am (incremental_test_4): Test
1536         --incremental-base.
1537         * testsuite/Makefile.in: Regenerate.
1538
1539 2011-05-24 Cary Coutant  <ccoutant@google.com>
1540
1541         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1542         incremental_test_4.
1543         * testsuite/Makefile.in: Regenerate.
1544         * testsuite/two_file_test_1_v1.cc: New test source file.
1545         * testsuite/two_file_test_1b_v1.cc: New test source file.
1546         * testsuite/two_file_test_2_v1.cc: New test source file.
1547
1548 2011-05-24 Cary Coutant  <ccoutant@google.com>
1549
1550         * dynobj.h (Dynobj::do_dynobj): New function.
1551         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1552         flag and soname for shared objects.
1553         * incremental.cc (Incremental_inputs::report_object): Make
1554         either Incremental_object_entry or Incremental_dynobj_entry; add
1555         soname to string table.
1556         (Incremental_inputs::report_input_section): Add assertion.
1557         (Output_section_incremental_inputs::set_final_data_size): Adjust
1558         type of input file entry for shared libraries; adjust size of
1559         shared library info entry.
1560         (Output_section_incremental_inputs::write_input_files): Write
1561         as_needed flag for shared libraries.
1562         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1563         of input file entry for shared libraries; write soname.
1564         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1565         soname from incremental info.
1566         * incremental.h (enum Incremental_input_flags): Add
1567         INCREMENTAL_INPUT_AS_NEEDED.
1568         (Incremental_input_entry::Incremental_input_entry): Initialize new
1569         data member.
1570         (Incremental_input_entry::set_as_needed): New function.
1571         (Incremental_input_entry::as_needed): New function.
1572         (Incremental_input_entry::do_dynobj_entry): New function.
1573         (Incremental_input_entry::as_needed_): New data member.
1574         (Incremental_object_entry::Incremental_object_entry): Don't check
1575         for shared library.
1576         (Incremental_object_entry::do_type): Likewise.
1577         (class Incremental_dynobj_entry): New class.
1578         (Incremental_input_entry_reader::as_needed): New function.
1579         (Incremental_input_entry_reader::get_soname): New function.
1580         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1581         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1582         size of shared library info entry.
1583         * layout.cc (Layout::finish_dynamic_section): Don't test for
1584         incremental link when adding DT_NEEDED entries.
1585         * object.h (Object::Object): Initialize new data member.
1586         (Object::dynobj): New function.
1587         (Object::set_as_needed): New function.
1588         (Object::as_needed): New function.
1589         (Object::do_dynobj): New function.
1590         (Object::as_needed_): New data member.
1591
1592 2011-05-24 Cary Coutant  <ccoutant@google.com>
1593
1594         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1595         info; adjust display of GOT entries.
1596         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1597         vector of input objects; remove file_status_.
1598         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1599         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1600         got_plt reader; call target hooks to reserve GOT entries.
1601         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1602         of input file info header and GOT info entry.
1603         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1604         relocation info.
1605         (Got_plt_view_info::got_descriptor): Remove.
1606         (Got_plt_view_info::sym_index): New data member.
1607         (Got_plt_view_info::input_index): New data member.
1608         (Local_got_offset_visitor::visit): Write input file index.
1609         (Global_got_offset_visitor::visit): Write 0 for input file index.
1610         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1611         with sym_index and input_index.
1612         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1613         incremental info GOT entry; replace got_descriptor with input_index.
1614         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1615         map from input file index to object.
1616         (Sized_relobj_incr::do_layout): Replace direct data member reference
1617         with accessor function.
1618         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1619         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1620         Adjust size of input file info header.
1621         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1622         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1623         (Incremental_input_entry_reader::get_input_section): Adjust size of
1624         input file info header.
1625         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1626         of incremental info GOT entry.
1627         (Incremental_got_plt_reader::get_got_desc): Remove.
1628         (Incremental_got_plt_reader::get_got_symndx): New function.
1629         (Incremental_got_plt_reader::get_got_input_index): New function.
1630         (Sized_incremental_binary::Sized_incremental_binary): Remove
1631         file_status_; add input_objects_.
1632         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1633         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1634         (Sized_incremental_binary::file_is_unchanged): Remove.
1635         (Sized_incremental_binary::set_input_object): New function.
1636         (Sized_incremental_binary::input_object): New function.
1637         (Sized_incremental_binary::file_status_): Remove.
1638         (Sized_incremental_binary::input_objects_): New data member.
1639         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1640         references.
1641         (Sized_relobj_incr::invalid_address): Move to base class.
1642         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1643         class.
1644         (Sized_relobj_incr::do_output_section_offset): Likewise.
1645         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1646         (Sized_relobj_incr::section_offsets_): Likewise.
1647         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1648         function.
1649         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1650         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1651         with accessor function.
1652         (Sized_relobj_file::do_layout): Likewise.
1653         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1654         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1655         (Sized_relobj_file::compute_final_local_value): Replace refs to
1656         section_offsets_ with accessor function.
1657         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1658         * object.h (Relobj::Relobj): Initialize new data members.
1659         (Relobj::add_dyn_reloc): New function.
1660         (Relobj::first_dyn_reloc): New function.
1661         (Relobj::dyn_reloc_count): New function.
1662         (Relobj::first_dyn_reloc_): New data member.
1663         (Relobj::dyn_reloc_count_): New data member.
1664         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1665         references.
1666         (Sized_relobj::Address): New typedef.
1667         (Sized_relobj::invalid_address): Move here from child class.
1668         (Sized_relobj::Sized_relobj): Initialize new data members.
1669         (Sized_relobj::sized_relobj): New function.
1670         (Sized_relobj::is_output_section_offset_invalid): Move here from
1671         child class.
1672         (Sized_relobj::get_output_section_offset): Likewise.
1673         (Sized_relobj::local_has_got_offset): Likewise.
1674         (Sized_relobj::local_got_offset): Likewise.
1675         (Sized_relobj::set_local_got_offset): Likewise.
1676         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1677         (Sized_relobj::clear_got_offsets): New function.
1678         (Sized_relobj::section_offsets): Move here from child class.
1679         (Sized_relobj::do_output_section_offset): Likewise.
1680         (Sized_relobj::do_set_section_offset): Likewise.
1681         (Sized_relobj::Local_got_offsets): Likewise.
1682         (Sized_relobj::local_got_offsets_): Likewise.
1683         (Sized_relobj::section_offsets_): Likewise.
1684         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1685         references.
1686         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1687         class.
1688         (Sized_relobj_file::sized_relobj): New function
1689         (Sized_relobj_file::local_has_got_offset): Move to base class.
1690         (Sized_relobj_file::local_got_offset): Likewise.
1691         (Sized_relobj_file::set_local_got_offset): Likewise.
1692         (Sized_relobj_file::get_output_section_offset): Likewise.
1693         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1694         (Sized_relobj_file::do_output_section_offset): Likewise.
1695         (Sized_relobj_file::do_set_section_offset): Likewise.
1696         (Sized_relobj_file::Local_got_offsets): Likewise.
1697         (Sized_relobj_file::local_got_offsets_): Likewise.
1698         (Sized_relobj_file::section_offsets_): Likewise.
1699         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1700         (all constructors).
1701         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1702         (Output_reloc::get_symbol_index): Likewise.
1703         (Output_reloc::local_section_offset): Likewise.
1704         (Output_reloc::get_address): Likewise.
1705         (Output_reloc::symbol_value): Likewise.
1706         (Output_data_got::reserve_slot): Move to class definition.
1707         (Output_data_got::reserve_local): New function.
1708         (Output_data_got::reserve_slot_for_global): Remove.
1709         (Output_data_got::reserve_global): New function.
1710         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1711         (all constructors, two instantiations).
1712         (Output_reloc::get_relobj): New function (two instantiations).
1713         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1714         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1715         (Output_data_reloc::add_global): Adjust type of relobj.
1716         (Output_data_reloc::add_global_relative): Likewise.
1717         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1718         (Output_data_reloc::add_local): Likewise.
1719         (Output_data_reloc::add_local_relative): Likewise.
1720         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1721         (Output_data_reloc::add_local_section): Likewise.
1722         (Output_data_reloc::add_output_section): Likewise.
1723         (Output_data_reloc::add_absolute): Likewise.
1724         (Output_data_reloc::add_target_specific): Likewise.
1725         (Output_data_got::reserve_slot): Move definition here.
1726         (Output_data_got::reserve_local): New function.
1727         (Output_data_got::reserve_global): New function.
1728         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1729         section_offsets_ with accessor function.
1730         (Sized_relobj_file::write_sections): Likewise.
1731         (Sized_relobj_file::do_relocate_sections): Likewise.
1732         * target.h (Sized_target::reserve_local_got_entry): New function.
1733         (Sized_target::reserve_global_got_entry): New function.
1734         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1735         (Target_x86_64::reserve_global_got_entry): New function.
1736         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1737
1738 2011-05-23 Cary Coutant  <ccoutant@google.com>
1739
1740         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1741         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1742         bit when checking got_type.
1743         * incremental.cc (Sized_incremental_binary::setup_readers):
1744         Store symbol table and string table locations; initialize bit vector
1745         of file status flags.
1746         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1747         unchanged files.
1748         (Sized_incremental_binary::do_process_got_plt): New function.
1749         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1750         (Output_section_incremental_inputs::set_final_data_size): Record
1751         file index for each input file.
1752         (Output_section_incremental_inputs::write_got_plt): Store file index
1753         instead of input entry offset for each GOT entry.
1754         * incremental.h
1755         (Incremental_input_entry::Incremental_input_entry): Initialize new
1756         data member.
1757         (Incremental_input_entry::set_offset): Store file index.
1758         (Incremental_input_entry::get_file_index): New function.
1759         (Incremental_input_entry::file_index_): New data member.
1760         (Incremental_binary::process_got_plt): New function.
1761         (Incremental_binary::do_process_got_plt): New function.
1762         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1763         data members.
1764         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1765         (Sized_incremental_binary::set_file_is_unchanged): New function.
1766         (Sized_incremental_binary::file_is_unchanged): New function.
1767         (Sized_incremental_binary::do_process_got_plt): New function.
1768         (Sized_incremental_binary::file_status_): New data member.
1769         (Sized_incremental_binary::main_symtab_loc_): New data member.
1770         (Sized_incremental_binary::main_strtab_loc_): New data member.
1771         * output.cc (Output_data_got::Got_entry::write): Add case
1772         RESERVED_CODE.
1773         (Output_data_got::add_global): Call add_got_entry.
1774         (Output_data_got::add_global_plt): Likewise.
1775         (Output_data_got::add_global_with_rel): Likewise.
1776         (Output_data_got::add_global_with_rela): Likewise.
1777         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1778         (Output_data_got::add_global_pair_with_rela): Likewise.
1779         (Output_data_got::add_local): Call add_got_entry.
1780         (Output_data_got::add_local_plt): Likewise.
1781         (Output_data_got::add_local_with_rel): Likewise.
1782         (Output_data_got::add_local_with_rela): Likewise.
1783         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1784         (Output_data_got::add_local_pair_with_rela): Likewise.
1785         (Output_data_got::reserve_slot): New function.
1786         (Output_data_got::reserve_slot_for_global): New function.
1787         (Output_data_got::add_got_entry): New function.
1788         (Output_data_got::add_got_entry_pair): New function.
1789         (Output_section::add_output_section_data): Edit FIXME.
1790         * output.h
1791         (Output_section_data_build::Output_section_data_build): New
1792         constructor with size parameter.
1793         (Output_data_space::Output_data_space): Likewise.
1794         (Output_data_got::Output_data_got): Initialize new data member; new
1795         constructor with size parameter.
1796         (Output_data_got::add_constant): Call add_got_entry.
1797         (Output_data_got::reserve_slot): New function.
1798         (Output_data_got::reserve_slot_for_global): New function.
1799         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1800         (Output_data_got::add_got_entry): New function.
1801         (Output_data_got::add_got_entry_pair): New function.
1802         (Output_data_got::free_list_): New data member.
1803         * target.h (Sized_target::init_got_plt_for_update): New function.
1804         (Sized_target::register_global_plt_entry): New function.
1805         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1806         Initialize new data member; call init; add constructor with PLT count.
1807         (Output_data_plt_x86_64::init): New function.
1808         (Output_data_plt_x86_64::add_relocation): New function.
1809         (Output_data_plt_x86_64::reserve_slot): New function.
1810         (Output_data_plt_x86_64::free_list_): New data member.
1811         (Target_x86_64::init_got_plt_for_update): New function.
1812         (Target_x86_64::register_global_plt_entry): New function.
1813         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1814         incremental updates.
1815         (Output_data_plt_x86_64::add_relocation): New function.
1816         * testsuite/object_unittest.cc (Object_test): Set default options.
1817
1818 2011-05-16  Ian Lance Taylor  <iant@google.com>
1819
1820         * options.h (class General_options): Make -i a synonym for -r.
1821
1822 2011-05-16  Ian Lance Taylor  <iant@google.com>
1823
1824         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1825
1826 2011-05-10 Cary Coutant  <ccoutant@google.com>
1827
1828         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1829         strip_all (-s).
1830
1831 2011-05-06  Ian Lance Taylor  <iant@google.com>
1832
1833         * layout.cc (Layout::layout): If the output section flags change,
1834         update the ordering.
1835
1836 2011-04-25 Cary Coutant  <ccoutant@google.com>
1837
1838         * incremental-dump.cc (dump_incremental_inputs): Print local
1839         symbol info for each input file.
1840         * incremental.cc
1841         (Output_section_incremental_inputs::set_final_data_size): Add local
1842         symbol info to input file entries in incremental info.
1843         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1844         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1845         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1846         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1847         implementation.
1848         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1849         (Sized_incr_relobj::do_relocate): Write the local symbols.
1850         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1851         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1852         Adjust size of input file header.
1853         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1854         (Incremental_inputs_reader::get_local_symbol_count): New function.
1855         (Incremental_inputs_reader::get_input_section): Adjust size of input
1856         file header.
1857         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1858         (Sized_incr_relobj::This): New typedef.
1859         (Sized_incr_relobj::sym_size): New const data member.
1860         (Sized_incr_relobj::Local_symbol): New struct.
1861         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1862         (Sized_incr_relobj::do_local_symbol_offset): New function.
1863         (Sized_incr_relobj::local_symbol_count_): New data member.
1864         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1865         (Sized_incr_relobj::local_symbol_index_): New data member.
1866         (Sized_incr_relobj::local_symbol_offset_): New data member.
1867         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1868         (Sized_incr_relobj::local_symbols_): New data member.
1869         * object.h (Relobj::output_local_symbol_count): New function.
1870         (Relobj::local_symbol_offset): New function.
1871         (Relobj::do_output_local_symbol_count): New function.
1872         (Relobj::do_local_symbol_offset): New function.
1873         (Sized_relobj::do_output_local_symbol_count): New function.
1874         (Sized_relobj::do_local_symbol_offset): New function.
1875
1876 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1877
1878         * descriptors.cc (set_close_on_exec): New function.
1879         (Descriptors::open): Use set_close_on_exec.
1880         * output.cc (S_ISLNK): Define if not defined.
1881
1882 2011-04-22 Cary Coutant  <ccoutant@google.com>
1883
1884         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1885         global symbol map.
1886         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1887         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1888         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1889         relocations.
1890         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1891         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1892         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1893         * incremental.h
1894         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1895         function.
1896         (Incremental_binary::apply_incremental_relocs): New function.
1897         (Incremental_binary::do_apply_incremental_relocs): New function.
1898         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1899         data member.
1900         (Sized_incremental_binary::add_global_symbol): New function.
1901         (Sized_incremental_binary::global_symbol): New function.
1902         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1903         (Sized_incremental_binary::symbol_map_): New data member.
1904         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1905         * target.h (Sized_target::apply_relocation): New function.
1906         * target-reloc.h (apply_relocation): New function.
1907         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1908
1909 2011-04-22  Doug Kwan  <dougkwan@google.com>
1910
1911         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1912         flag of a SHT_ARM_EXIDX section.
1913         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1914         * testsuite/Makefile.in: Regenerate.
1915         * testsuite/arm_exidx_test.s: New file.
1916         * testsuite/arm_exidx_test.sh: Same.
1917
1918 2011-04-20 Cary Coutant  <ccoutant@google.com>
1919
1920         PR gold/12689
1921         * archive.h (Incremental_archive_entry::Archive_member):
1922         Initialize arg_serial_ (second constructor).
1923
1924 2011-04-17  Ian Lance Taylor  <iant@google.com>
1925
1926         * object.cc (Relocate_info::location): Simplify location string.
1927         * errors.cc (Errors::error_at_location): Don't print program
1928         name.
1929         (Errors::warning_at_location): Likewise.
1930         (Errors::undefined_symbol): Likewise.
1931         * testsuite/debug_msg.sh: Update accordingly.
1932
1933 2011-04-14 Cary Coutant  <ccoutant@google.com>
1934
1935         * gold/layout.cc (Layout::symtab_section_offset): New function.
1936         * gold/layout.h (Layout::symtab_section_offset): New function.
1937         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1938
1939 2011-04-12  Ian Lance Taylor  <iant@google.com>
1940
1941         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1942         with MREMAP_MAYMOVE.
1943         * output.h (class Output_file): Add map_is_allocated_ field.
1944         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1945         not available, provide stubs.  If mremap is not available, #define
1946         it to gold_mremap.
1947         (MREMAP_MAYMOVE): Define if not defined.
1948         (Output_file::Output_file): Initialize map_is_allocated_.
1949         (Output_file::resize): Check map_is_allocated_.
1950         (Output_file::map_anonymous): If mmap fails, use malloc.
1951         (Output_file::unmap): Don't do anything for an anonymous map.
1952         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1953         is not available, provide stubs.
1954         (File_read::View::~View): Use free rather than delete[].
1955         (File_read::make_view): Use malloc rather than new[].  If mmap
1956         fails, use malloc.
1957         (File_read::find_or_make_view): Use malloc rather than new[].
1958         * gold.h: Remove HAVE_REMAP code.
1959         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1960         exists.  Rename mremap to gold_mremap.  If mmap is not available
1961         don't do anything.
1962         * configure, config.in: Rebuild.
1963
1964 2011-04-11  Ian Lance Taylor  <iant@google.com>
1965
1966         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1967         initialize local variable v.
1968
1969 2011-04-11  Cary Coutant  <ccoutant@google.com>
1970
1971         * archive.cc (Archive::include_member): Adjust call to
1972         report_object.
1973         (Add_archive_symbols::run): Track argument serial numbers.
1974         (Lib_group::include_member): Likewise.
1975         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1976         * archive.h (Incremental_archive_entry::Archive_member):
1977         Initialize arg_serial_.
1978         (Archive_member::arg_serial_): New data member.
1979         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1980         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1981         incremental link.
1982         (Sized_dynobj::do_for_all_local_got_entries): New function.
1983         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1984         function.
1985         * fileread.cc (get_mtime): New function.
1986         * fileread.h (get_mtime): New function.
1987         * gold.cc (queue_initial_tasks): Check for incremental update.
1988         (process_incremental_input): New function.
1989         (queue_middle_tasks): Don't force valid target for incremental
1990         update.
1991         * incremental-dump.cc (find_input_containing_global): Adjust
1992         size of symbol info entry.
1993         (dump_incremental_inputs): Dump argument serial number and
1994         in_system_directory flag; bias shndx by 1; print symbol names
1995         when dumping per-file symbol lists; use new symbol info readers.
1996         * incremental.cc
1997         (Output_section_incremental_inputs:update_data_size): New function.
1998         (Sized_incremental_binary::setup_readers): Setup input readers
1999         for each input file; build maps for files added from libraries
2000         and scripts.
2001         (Sized_incremental_binary::check_input_args): New function.
2002         (Sized_incremental_binary::do_check_inputs): Build map of argument
2003         serial numbers to input arguments.
2004         (Sized_incremental_binary::do_file_has_changed): Rename
2005         do_file_is_unchanged to this; compare file modification times.
2006         (Sized_incremental_binary::do_init_layout): New function.
2007         (Sized_incremental_binary::do_reserve_layout): New function.
2008         (Sized_incremental_binary::do_get_input_reader): Remove.
2009         (Sized_incremental_binary::get_symtab_view): New function.
2010         (Incremental_checker::can_incrementally_link_output_file): Remove.
2011         (Incremental_inputs::report_command_line): Exclude --debug options.
2012         (Incremental_inputs::report_archive_begin): Add parameter; track
2013         argument serial numbers; don't put input file entry for archive
2014         before archive members.
2015         (Incremental_inputs::report_archive_end): Put input file entry
2016         for archive after archive members.
2017         (Incremental_inputs::report_object): Add parameter; track argument
2018         serial numbers and in_system_directory flag.
2019         (Incremental_inputs::report_script): Add parameter; track argument
2020         serial numbers.
2021         (Output_section_incremental_inputs::set_final_data_size): Adjust
2022         size of symbol info entry; check for forwarding symbols.
2023         (Output_section_incremental_inputs::write_input_files): Write
2024         in_system_directory flag and argument serial number.
2025         (Output_section_incremental_inputs::write_info_blocks): Map section
2026         indices between incremental info and original input file; store
2027         input section index for each symbol.
2028         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2029         change operator() to visit().
2030         (class Global_got_offset_visitor): Likewise.
2031         (class Global_symbol_visitor_got_plt):
2032         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2033         classes.
2034         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2035         (Sized_incr_relobj::do_read_symbols): New function.
2036         (Sized_incr_relobj::do_layout): New function.
2037         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2038         (Sized_incr_relobj::do_add_symbols): New function.
2039         (Sized_incr_relobj::do_should_include_member): New function.
2040         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2041         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2042         (Sized_incr_relobj::do_section_size): New function.
2043         (Sized_incr_relobj::do_section_name): New function.
2044         (Sized_incr_relobj::do_section_contents): New function.
2045         (Sized_incr_relobj::do_section_flags): New function.
2046         (Sized_incr_relobj::do_section_entsize): New function.
2047         (Sized_incr_relobj::do_section_address): New function.
2048         (Sized_incr_relobj::do_section_type): New function.
2049         (Sized_incr_relobj::do_section_link): New function.
2050         (Sized_incr_relobj::do_section_info): New function.
2051         (Sized_incr_relobj::do_section_addralign): New function.
2052         (Sized_incr_relobj::do_initialize_xindex): New function.
2053         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2054         (Sized_incr_relobj::do_read_relocs): New function.
2055         (Sized_incr_relobj::do_gc_process_relocs): New function.
2056         (Sized_incr_relobj::do_scan_relocs): New function.
2057         (Sized_incr_relobj::do_count_local_symbols): New function.
2058         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2059         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2060         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2061         (Sized_incr_relobj::do_relocate): New function.
2062         (Sized_incr_relobj::do_set_section_offset): New function.
2063         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2064         (Sized_incr_dynobj::do_read_symbols): New function.
2065         (Sized_incr_dynobj::do_layout): New function.
2066         (Sized_incr_dynobj::do_add_symbols): New function.
2067         (Sized_incr_dynobj::do_should_include_member): New function.
2068         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2069         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2070         (Sized_incr_dynobj::do_section_size): New function.
2071         (Sized_incr_dynobj::do_section_name): New function.
2072         (Sized_incr_dynobj::do_section_contents): New function.
2073         (Sized_incr_dynobj::do_section_flags): New function.
2074         (Sized_incr_dynobj::do_section_entsize): New function.
2075         (Sized_incr_dynobj::do_section_address): New function.
2076         (Sized_incr_dynobj::do_section_type): New function.
2077         (Sized_incr_dynobj::do_section_link): New function.
2078         (Sized_incr_dynobj::do_section_info): New function.
2079         (Sized_incr_dynobj::do_section_addralign): New function.
2080         (Sized_incr_dynobj::do_initialize_xindex): New function.
2081         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2082         (make_sized_incremental_object): New function.
2083         (Incremental_library::copy_unused_symbols): New function.
2084         (Incremental_library::do_for_all_unused_symbols): New function.
2085         * incremental.h (enum Incremental_input_flags): New type.
2086         (class Incremental_checker): Remove.
2087         (Incremental_input_entry::Incremental_input_entry): Add argument
2088         serial number.
2089         (Incremental_input_entry::arg_serial): New function.
2090         (Incremental_input_entry::set_is_in_system_directory): New function.
2091         (Incremental_input_entry::is_in_system_directory): New function.
2092         (Incremental_input_entry::arg_serial_): New data member.
2093         (Incremental_input_entry::is_in_system_directory_): New data member.
2094         (class Script_info): Move here from script.h.
2095         (Script_info::Script_info): Add filename parameter.
2096         (Script_info::filename): New function.
2097         (Script_info::filename_): New data member.
2098         (Incremental_script_entry::Incremental_script_entry): Add argument
2099         serial number.
2100         (Incremental_object_entry::Incremental_object_entry): Likewise.
2101         (Incremental_object_entry::add_input_section): Build list of input
2102         sections with map to original shndx.
2103         (Incremental_object_entry::get_input_section_index): New function.
2104         (Incremental_object_entry::shndx_): New data member.
2105         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2106         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2107         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2108         serial number.
2109         (Incremental_inputs::report_archive_begin): Likewise.
2110         (Incremental_inputs::report_object): Likewise.
2111         (Incremental_inputs::report_script): Likewise.
2112         (class Incremental_global_symbol_reader): New class.
2113         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2114         and store flags and input file type.
2115         (Incremental_input_entry_reader::arg_serial): New function.
2116         (Incremental_input_entry_reader::type): Extract type from flags.
2117         (Incremental_input_entry_reader::is_in_system_directory): New function.
2118         (Incremental_input_entry_reader::get_input_section_count): Call
2119         accessor function for type.
2120         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2121         function for type; adjust size of global symbol entry.
2122         (Incremental_input_entry_reader::get_global_symbol_count): Call
2123         accessor function for type.
2124         (Incremental_input_entry_reader::get_object_count): Likewise.
2125         (Incremental_input_entry_reader::get_object_offset): Likewise.
2126         (Incremental_input_entry_reader::get_member_count): Likewise.
2127         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2128         (Incremental_input_entry_reader::get_member_offset): Likewise.
2129         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2130         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2131         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2132         (Incremental_input_entry_reader::get_global_symbol_reader): New
2133         function.
2134         (Incremental_input_entry_reader::get_output_symbol_index): New
2135         function.
2136         (Incremental_input_entry_reader::type_): Remove.
2137         (Incremental_input_entry_reader::flags_): New data member.
2138         (Incremental_inputs_reader::input_file_offset): New function.
2139         (Incremental_inputs_reader::input_file_index): New function.
2140         (Incremental_inputs_reader::input_file): Call input_file_offset.
2141         (Incremental_inputs_reader::input_file_at_offset): New function.
2142         (Incremental_relocs_reader::get_r_type): Reformat.
2143         (Incremental_relocs_reader::get_r_shndx): Reformat.
2144         (Incremental_relocs_reader::get_r_offset): Reformat.
2145         (Incremental_relocs_reader::data): New function.
2146         (Incremental_binary::Incremental_binary): Initialize new data members.
2147         (Incremental_binary::check_inputs): Add cmdline parameter.
2148         (Incremental_binary::file_is_unchanged): Remove.
2149         (Input_reader::arg_serial): New function.
2150         (Input_reader::get_unused_symbol_count): New function.
2151         (Input_reader::get_unused_symbol): New function.
2152         (Input_reader::do_arg_serial): New function.
2153         (Input_reader::do_get_unused_symbol_count): New function.
2154         (Input_reader::do_get_unused_symbol): New function.
2155         (Incremental_binary::input_file_count): New function.
2156         (Incremental_binary::get_input_reader): Change signature to use
2157         index instead of filename.
2158         (Incremental_binary::file_has_changed): New function.
2159         (Incremental_binary::get_input_argument): New function.
2160         (Incremental_binary::get_library): New function.
2161         (Incremental_binary::get_script_info): New function.
2162         (Incremental_binary::init_layout): New function.
2163         (Incremental_binary::reserve_layout): New function.
2164         (Incremental_binary::output_file): New function.
2165         (Incremental_binary::do_check_inputs): New function.
2166         (Incremental_binary::do_file_is_unchanged): Remove.
2167         (Incremental_binary::do_file_has_changed): New function.
2168         (Incremental_binary::do_init_layout): New function.
2169         (Incremental_binary::do_reserve_layout): New function.
2170         (Incremental_binary::do_input_file_count): New function.
2171         (Incremental_binary::do_get_input_reader): Change signature.
2172         (Incremental_binary::input_args_map_): New data member.
2173         (Incremental_binary::library_map_): New data member.
2174         (Incremental_binary::script_map_): New data member.
2175         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2176         new data members.
2177         (Sized_incremental_binary::output_section): New function.
2178         (Sized_incremental_binary::inputs_reader): Add const.
2179         (Sized_incremental_binary::symtab_reader): Add const.
2180         (Sized_incremental_binary::relocs_reader): Add const.
2181         (Sized_incremental_binary::got_plt_reader): Add const.
2182         (Sized_incremental_binary::get_symtab_view): New function.
2183         (Sized_incremental_binary::Inputs_reader): New typedef.
2184         (Sized_incremental_binary::Input_entry_reader): New typedef.
2185         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2186         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2187         (Sized_incremental_binary::do_file_has_changed): New function.
2188         (Sized_incremental_binary::do_init_layout): New function.
2189         (Sized_incremental_binary::do_reserve_layout): New function.
2190         (Sized_input_reader::Inputs_reader): Remove.
2191         (Sized_input_reader::Input_entry_reader): Remove.
2192         (Sized_input_reader::do_arg_serial): New function.
2193         (Sized_input_reader::do_get_unused_symbol_count): New function.
2194         (Sized_input_reader::do_get_unused_symbol): New function.
2195         (Sized_incremental_binary::do_input_file_count): New function.
2196         (Sized_incremental_binary::do_get_input_reader): Change signature;
2197         use index instead of filename.
2198         (Sized_incremental_binary::section_map_): New data member.
2199         (Sized_incremental_binary::input_entry_readers_): New data member.
2200         (class Sized_incr_relobj): New class.
2201         (class Sized_incr_dynobj): New class.
2202         (make_sized_incremental_object): New function.
2203         (class Incremental_library): New class.
2204         * layout.cc (Free_list::num_lists): New static data member.
2205         (Free_list::num_nodes): New static data member.
2206         (Free_list::num_removes): New static data member.
2207         (Free_list::num_remove_visits): New static data member.
2208         (Free_list::num_allocates): New static data member.
2209         (Free_list::num_allocate_visits): New static data member.
2210         (Free_list::init): New function.
2211         (Free_list::remove): New function.
2212         (Free_list::allocate): New function.
2213         (Free_list::dump): New function.
2214         (Free_list::print_stats): New function.
2215         (Layout_task_runner::run): Resize output file for incremental updates.
2216         (Layout::Layout): Initialize new data members.
2217         (Layout::set_incremental_base): New function.
2218         (Layout::init_fixed_output_section): New function.
2219         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2220         incremental updates.
2221         (Layout::create_gold_note): Do not create gold note section for
2222         incremental updates.
2223         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2224         for incremental updates.
2225         (Layout::set_section_offsets): For incremental updates, allocate space
2226         from free list.
2227         (Layout::create_symtab_sections): Layout with offsets relative to
2228         start of section; for incremental updates, allocate space from free
2229         list.
2230         (Layout::create_shdrs): For incremental updates, allocate space from
2231         free list.
2232         (Layout::finish_dynamic_section): For incremental updates, do not
2233         check --as-needed (fixed in subsequent patch).
2234         * layout.h (class Free_list): New class.
2235         (Layout::set_incremental_base): New function.
2236         (Layout::incremental_base): New function.
2237         (Layout::init_fixed_output_section): New function.
2238         (Layout::allocate): New function.
2239         (Layout::incremental_base_): New data member.
2240         (Layout::free_list_): New data member.
2241         * main.cc (main): Print Free_list statistics.
2242         * object.cc (Relobj::finalize_incremental_relocs): Add
2243         clear_counts parameter; clear counts only when clear_counts is set.
2244         (Sized_relobj::Sized_relobj): Initialize new base class.
2245         (Sized_relobj::do_layout): Don't report special sections.
2246         (Sized_relobj::do_for_all_local_got_entries): New function.
2247         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2248         symtab_off to all symbol table offsets.
2249         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2250         * object.h (class Got_offset_list): Move to top of file.
2251         (Object::Object): Allow case where input_file == NULL.
2252         (Object::~Object): Likewise.
2253         (Object::input_file): Assert that input_file != NULL.
2254         (Object::lock): Allow case where input_file == NULL.
2255         (Object::unlock): Likewise.
2256         (Object::is_locked): Likewise.
2257         (Object::token): Likewise.
2258         (Object::release): Likewise.
2259         (Object::is_incremental): New function.
2260         (Object::get_mtime): New function.
2261         (Object::for_all_local_got_entries): New function.
2262         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2263         (Object::set_is_in_system_directory): New function.
2264         (Object::is_in_system_directory): New function.
2265         (Object::do_is_incremental): New function.
2266         (Object::do_get_mtime): New function.
2267         (Object::do_for_all_local_got_entries): New function.
2268         (Object::is_in_system_directory_): New data member.
2269         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2270         (class Sized_relobj_base): New class.
2271         (class Sized_relobj): Derive from Sized_relobj_base.
2272         (class Sized_relobj::Symbols): Redeclare from base class.
2273         (class Sized_relobj::local_got_offset_list): Remove.
2274         (class Sized_relobj::Output_sections): Redeclare from base class.
2275         (class Sized_relobj::do_for_all_local_got_entries): New function.
2276         (class Sized_relobj::write_local_symbols): Add offset parameter.
2277         (class Sized_relobj::local_symbol_offset_): Update comment.
2278         (class Sized_relobj::local_dynsym_offset_): Update comment.
2279         * options.cc (Input_arguments::add_file): Remove const.
2280         * options.h (Input_file_argument::Input_file_argument):
2281         Initialize arg_serial_ (all constructors).
2282         (Input_file_argument::set_arg_serial): New function.
2283         (Input_file_argument::arg_serial): New function.
2284         (Input_file_argument::arg_serial_): New data member.
2285         (Input_arguments::Input_arguments): Initialize file_count_.
2286         (Input_arguments::add_file): Remove const.
2287         (Input_arguments::number_of_input_files): New function.
2288         (Input_arguments::file_count_): New data member.
2289         (Command_line::number_of_input_files): Call
2290         Input_arguments::number_of_input_files.
2291         * output.cc (Output_segment_headers::Output_segment_headers):
2292         Set current size.
2293         (Output_section::Input_section::current_data_size): New function.
2294         (Output_section::Output_section): Initialize new data members.
2295         (Output_section::add_input_section): Don't do merge sections for
2296         an incremental link; allocate space from free list for an
2297         incremental update.
2298         (Output_section::add_output_section_data): Allocate space from
2299         free list for an incremental update.
2300         (Output_section::update_data_size): New function.
2301         (Output_section::set_fixed_layout): New function.
2302         (Output_section::reserve): New function.
2303         (Output_segment::set_section_addresses): Remove const.
2304         (Output_segment::set_section_list_addresses): Remove const; allocate
2305         space from free list for an incremental update.
2306         (Output_segment::set_offset): Adjust size of RELRO segment for an
2307         incremental update.
2308         * output.h (Output_data::current_data_size): Move here from
2309         child classes.
2310         (Output_data::pre_finalize_data_size): New function.
2311         (Output_data::update_data_size): New function.
2312         (Output_section_headers::update_data_size): new function.
2313         (Output_section_data_build::current_data_size): Move to Output_data.
2314         (Output_data_strtab::update_data_size): New function.
2315         (Output_section::current_data_size): Move to Output_data.
2316         (Output_section::set_fixed_layout): New function.
2317         (Output_section::has_fixed_layout): New function.
2318         (Output_section::reserve): New function.
2319         (Output_section::update_data_size): New function.
2320         (Output_section::has_fixed_layout_): New data member.
2321         (Output_section::free_list_): New data member.
2322         (Output_segment::set_section_addresses): Remove const.
2323         (Output_segment::set_section_list_addresses): Remove const.
2324         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2325         New function.
2326         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2327         New function.
2328         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2329         parameter when calling Add_symbols constructor; store argument
2330         serial number for members of a lib group.
2331         (Add_symbols::locks): Allow case where token == NULL.
2332         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2333         (Read_member::~Read_member): New function.
2334         (Read_member::is_runnable): New function.
2335         (Read_member::locks): New function.
2336         (Read_member::run): New function.
2337         (Check_script::~Check_script): New function.
2338         (Check_script::is_runnable): New function.
2339         (Check_script::locks): New function.
2340         (Check_script::run): New function.
2341         (Check_library::~Check_library): New function.
2342         (Check_library::is_runnable): New function.
2343         (Check_library::locks): New function.
2344         (Check_library::run): New function.
2345         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2346         (Add_symbols::library_): New data member.
2347         (class Read_member): New class.
2348         (class Check_script): New class.
2349         (class Check_library): New class.
2350         * reloc.cc (Read_relocs::is_runnable): Allow case where
2351         token == NULL.
2352         (Read_relocs::locks): Likewise.
2353         (Scan_relocs::locks): Likewise.
2354         (Relocate_task::locks): Likewise.
2355         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2356         to clear counters.
2357         (Sized_relobj::incremental_relocs_scan): Fix comment.
2358         (Sized_relobj::do_relocate): Pass output file offset to
2359         write_local_symbols.
2360         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2361         from class declaration.
2362         * script.cc (read_input_script): Allocate Script_info; pass
2363         argument serial number to report_script.
2364         * script.h (class Script_info): Move to incremental.h.
2365         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2366         * symtab.h (Symbol_table::add_from_incrobj): New function.
2367         (Symbol_table::set_file_offset): New function.
2368
2369 2011-04-05  Cary Coutant  <ccoutant@google.com>
2370
2371         * incremental-dump.cc (dump_incremental_inputs): Change signature
2372         to take a Sized_incremental_binary; change caller.  Use readers
2373         in Sized_incremental_binary.
2374         * incremental.cc
2375         (Sized_incremental_binary::find_incremental_inputs_sections):
2376         Rename do_find_incremental_inputs_sections to this.
2377         (Sized_incremental_binary::setup_readers): New function.
2378         (Sized_incremental_binary::do_check_inputs): Check
2379         has_incremental_info_ flag; move setup code to setup_readers;
2380         use input readers.
2381         (Sized_incremental_binary::do_file_is_unchanged): New function.
2382         (Sized_incremental_binary::do_get_input_reader): New function.
2383         * incremental.h (class Incremental_binary): Move to end of file.
2384         (Incremental_binary::file_is_unchanged): New function.
2385         (Incremental_binary::do_file_is_unchanged): New function.
2386         (Incremental_binary::Input_reader): New class.
2387         (Incremental_binary::get_input_reader): New function.
2388         (class Sized_incremental_binary): Move to end of file.
2389         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2390         input section reader classes.
2391         (Sized_incremental_binary::has_incremental_info): New function.
2392         (Sized_incremental_binary::inputs_reader): New function.
2393         (Sized_incremental_binary::symtab_reader): New function.
2394         (Sized_incremental_binary::relocs_reader): New function.
2395         (Sized_incremental_binary::got_plt_reader): New function.
2396         (Sized_incremental_binary::do_file_is_unchanged): New function.
2397         (Sized_incremental_binary::Sized_input_reader): New class.
2398         (Sized_incremental_binary::get_input_reader): New function.
2399         (Sized_incremental_binary::find_incremental_inputs_sections):
2400         Rename do_find_incremental_inputs_sections to this.
2401         (Sized_incremental_binary::setup_readers): New function.
2402         (Sized_incremental_binary::has_incremental_info_): New data member.
2403         (Sized_incremental_binary::inputs_reader_): New data member.
2404         (Sized_incremental_binary::symtab_reader_): New data member.
2405         (Sized_incremental_binary::relocs_reader_): New data member.
2406         (Sized_incremental_binary::got_plt_reader_): New data member.
2407         (Sized_incremental_binary::current_input_file_): New data member.
2408
2409 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2410
2411         PR gold/12640
2412         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2413         violation.
2414
2415 2011-03-30  Cary Coutant  <ccoutant@google.com>
2416
2417         * archive.cc (Archive::include_member): Adjust call to report_object.
2418         (Add_archive_symbols::run): Add script_info to call to
2419         report_archive_begin.
2420         (Lib_group::include_member): Adjust call to report_object.
2421         (Add_lib_group_symbols::run): Adjust call to report_object.
2422         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2423         blocks.  Add object count for script input files.
2424         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2425         script_info parameter; change all callers.
2426         (Incremental_inputs::report_object): Add script_info parameter;
2427         change all callers.
2428         (Incremental_inputs::report_script): Store backpointer to
2429         incremental info entry.
2430         (Output_section_incremental_inputs::set_final_data_size): Record
2431         additional information for scripts.
2432         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2433         * incremental.h (Incremental_script_entry::add_object): New function.
2434         (Incremental_script_entry::get_object_count): New function.
2435         (Incremental_script_entry::get_object): New function.
2436         (Incremental_script_entry::objects_): New data member; adjust
2437         constructor.
2438         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2439         (Incremental_inputs::report_object): Add script_info parameter.
2440         (Incremental_inputs_reader::get_object_count): New function.
2441         (Incremental_inputs_reader::get_object_offset): New function.
2442         * options.cc (Input_arguments::add_file): Return reference to
2443         new input argument.
2444         * options.h (Input_argument::set_script_info): New function.
2445         (Input_argument::script_info): New function.
2446         (Input_argument::script_info_): New data member; adjust all
2447         constructors.
2448         (Input_file_group::add_file): Return reference to new input argument.
2449         (Input_file_lib::add_file): Likewise.
2450         (Input_arguments::add_file): Likewise.
2451         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2452         * script.cc (Parser_closure::Parser_closure): Add script_info
2453         parameter; adjust all callers.
2454         (Parser_closure::script_info): New function.
2455         (Parser_closure::script_info_): New data member.
2456         (read_input_script): Report scripts earlier to incremental info.
2457         (script_add_file): Set script_info in Input_argument.
2458         (script_add_library): Likewise.
2459         * script.h (Script_options::Script_info): Rewrite class.
2460
2461 2011-03-29  Cary Coutant  <ccoutant@google.com>
2462
2463         * archive.cc (Library_base::should_include_member): Move
2464         method here from class Archive.
2465         (Archive::Archive): Initialize base class.
2466         (Archive::should_include_member): Move to base class.
2467         (Archive::do_for_all_unused_symbols): New function.
2468         (Add_archive_symbols::run): Remove redundant access to
2469         incremental_inputs.
2470         (Lib_group::Lib_group): Initialize base class.
2471         (Lib_group::do_filename): New function.
2472         (Lib_group::include_member): Pass pointer to Lib_group to
2473         report_object.
2474         (Lib_group::do_for_all_unused_symbols): New function.
2475         (Add_lib_group_symbols::run): Report archive information for
2476         incremental links.
2477         * archive.h (class Library_base): New base class.
2478         (class Archive): Derive from Library_base.
2479         (Archive::filename): Move to base class.
2480         (Archive::set_incremental_info): Likewise.
2481         (Archive::incremental_info): Likewise.
2482         (Archive::Should_include): Likewise.
2483         (Archive::should_include_member): Likewise.
2484         (Archive::Armap_entry): Remove.
2485         (Archive::Unused_symbol_iterator): Remove.
2486         (Archive::unused_symbols_begin): Remove.
2487         (Archive::unused_symbols_end): Remove.
2488         (Archive::do_filename): New function.
2489         (Archive::do_get_mtime): New function.
2490         (Archive::do_for_all_unused_symbols): New function.
2491         (Archive::task_): Move to base class.
2492         (Archive::incremental_info_): Likewise.
2493         (class Lib_group): Derive from Library_base.
2494         (Lib_group::do_filename): New function.
2495         (Lib_group::do_get_mtime): New function.
2496         (Lib_group::do_for_all_unused_symbols): New function.
2497         (Lib_group::task_): Move to base class.
2498         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2499         function.
2500         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2501         function.
2502         * incremental.cc (Incremental_inputs::report_archive_begin):
2503         Use Library_base; call library's get_mtime; add incremental inputs
2504         entry before members.
2505         (class Unused_symbol_visitor): New class.
2506         (Incremental_inputs::report_archive_end): Use Library_base; use
2507         visitor class to record unused symbols; don't add incremental inputs
2508         entry after members.
2509         (Incremental_inputs::report_object): Use Library_base.
2510         * incremental.h
2511         (Incremental_archive_entry::Incremental_archive_entry): Remove
2512         unused Archive parameter.
2513         (Incremental_inputs::report_archive_begin): Use Library_base.
2514         (Incremental_inputs::report_archive_end): Likewise.
2515         (Incremental_inputs::report_object): Likewise.
2516         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2517         function.
2518         * object.h (Object::for_all_global_symbols): New function.
2519         (Object::do_for_all_global_symbols): New function.
2520         (Sized_relobj::do_for_all_global_symbols): New function.
2521         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2522         function.
2523         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2524         function.
2525
2526 2011-03-27  Ian Lance Taylor  <iant@google.com>
2527
2528         * archive.cc (Archive::interpret_header): Return -1 if something
2529         goes wrong.  Change callers accordingly.
2530
2531 2011-03-25  Cary Coutant  <ccoutant@google.com>
2532
2533         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2534         * testsuite/Makefile.in: Regenerate.
2535
2536 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2537
2538         * plugin.cc (get_view): New.
2539         (Plugin::load): Pass get_view to the plugin.
2540         (Plugin_manager::get_view): New.
2541
2542 2011-03-21  Ian Lance Taylor  <iant@google.com>
2543
2544         * testsuite/final_layout.sh: Rewrite to not use dc.
2545         * testsuite/relro_test.sh: Fail if dc is not present.
2546
2547 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2548
2549         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2550         Change == to -eq.
2551         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2552         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2553         Change == to -eq.
2554         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2555         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2556
2557 2011-03-14  Ian Lance Taylor  <iant@google.com>
2558
2559         * script-sections.cc (Sort_output_sections::script_compare):
2560         Rename from is_before, change return type.
2561         (Sort_output_sections::operator()): Adjust accordingly.
2562
2563 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2564
2565         PR gold/12572
2566         * testsuite/odr_violation2.cc: Add comment to make all error line
2567         numbers double digits.
2568         * testsuite/debug_msg.sh: Adjust expected errors.
2569
2570 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2571
2572         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2573         but mark earlier ones as non-canonical
2574         (offset_to_iterator): Update search target and example
2575         (do_addr2line): Return extra lines in a vector*
2576         (format_file_lineno): Extract from do_addr2line
2577         (one_addr2line): Add vector* out-param
2578         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2579         when a lineno entry appeared last for its instruction
2580         (Dwarf_line_info): Add vector* out-param
2581         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2582         * symtab.cc (Odr_violation_compare): Include the lineno in the
2583         comparison again.
2584         (linenos_from_loc): New. Combine the canonical line for an
2585         address with its other lines.
2586         (True_if_intersect): New. Helper functor to make
2587         std::set_intersection a query.
2588         (detect_odr_violations): Compare sets of lines instead of just
2589         one line for each function. This became less deterministic, but
2590         has fewer false positives.
2591         * symtab.h: Declarations.
2592         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2593         mix an optimized and non-optimized object in the same binary
2594         (odr_violation2.so): Same.
2595         * testsuite/Makefile.in: Regenerate from Makefile.am.
2596         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2597         * testsuite/debug_msg.sh: Update line numbers and add
2598         assertions.
2599         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2600         non-optimized context.
2601         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2602         isn't inlined, and use OdrDerived in an optimized context.
2603         * testsuite/odr_header1.h: Defines OdrDerived, where
2604         optimization will change the
2605         first-instruction-in-the-destructor's file and line number.
2606         * testsuite/odr_header2.h: Defines OdrBase.
2607
2608 2011-03-09  Ian Lance Taylor  <iant@google.com>
2609
2610         * fileread.cc (File_read::clear_views): Don't delete the whole
2611         file view.
2612
2613 2011-03-08  Ian Lance Taylor  <iant@google.com>
2614
2615         PR gold/12525
2616         * fileread.cc: #include <climits>.
2617         (GOLD_IOV_MAX): Define.
2618         (File_read::read_multiple): Limit number of entries by iov_max.
2619         * fileread.h (class File_read): Always set max_readv_entries to
2620         128.
2621
2622 2011-03-07  Ian Lance Taylor  <iant@google.com>
2623
2624         PR gold/12525
2625         * options.h (class General_options): Add -dy and -dn.
2626
2627 2011-03-02  Cary Coutant  <ccoutant@google.com>
2628
2629         * testsuite/script_test_9.t: Add TLS segment.
2630
2631 2011-03-02  Simon Baldwin  <simonb@google.com>
2632
2633         * configure.ac: Add check for gnu_indirect_function support in
2634         the toolchain building binutils.
2635         * configure: Rebuild.
2636
2637 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2638
2639         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2640         plugin only symbols.
2641         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2642         in plugin files as not needed in the symbol table.
2643
2644 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2645
2646         * output.cc (Output_section::add_input_section): Delay fill
2647         generation for section ordering.
2648
2649 2011-02-09  Ian Lance Taylor  <iant@google.com>
2650
2651         PR gold/12316
2652         * object.h (class Sized_relobj): Remove clear_local_symbols.
2653         * reloc.cc (Sized_relobj::do_relocate): Don't call
2654         clear_local_symbols.
2655
2656 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2657
2658         * plugin.cc (is_visible_from_outside): Return true for symbols
2659         in the -u option.
2660
2661 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2662
2663         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2664         filename.
2665
2666 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2667
2668         * icf.h (is_section_foldable_candidate): Change type of parameter
2669         to std::string.
2670         * icf.cc (Icf::find_identical_sections): Change type of local variable
2671         section_name to be std::string.
2672         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2673
2674 2011-01-25  Ian Lance Taylor  <iant@google.com>
2675
2676         * script.cc (script_add_extern): Rewrite to use
2677         add_symbol_reference.
2678
2679 2011-01-25  Doug Kwan  <dougkwan@google.com>
2680
2681         * icf.cc (get_section_contents): Always lock section's object.
2682
2683 2011-01-24  Ian Lance Taylor  <iant@google.com>
2684
2685         * options.h (class General_options): Accept
2686         --no-detect-odr-violations.
2687
2688 2011-01-24  Ian Lance Taylor  <iant@google.com>
2689
2690         * version.cc (version_string): Bump to 1.11.
2691
2692 2011-01-24  Ian Lance Taylor  <iant@google.com>
2693
2694         * plugin.cc (class Plugin_rescan): Define new class.
2695         (Plugin_manager::claim_file): Set any_claimed_.
2696         (Plugin_manager::save_archive): New function.
2697         (Plugin_manager::save_input_group): New function.
2698         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2699         necessary.
2700         (Plugin_manager::new_undefined_symbol): New function.
2701         (Plugin_manager::rescan): New function.
2702         (Plugin_manager::rescannable_defines): New function.
2703         (Plugin_manager::add_input_file): Set any_added_.
2704         * plugin.h (class Plugin_manager): define new fields rescannable_,
2705         undefined_symbols_, any_claimed_, and any_added_.  Declare
2706         Plugin_rescan as friend.  Declare new functions.
2707         (Plugin_manager::Rescannable): Define type.
2708         (Plugin_manager::Rescannable_list): Define type.
2709         (Plugin_manager::Undefined_symbol_list): Define type.
2710         (Plugin_manager::Plugin_manager): Initialize new fields.
2711         * archive.cc (Archive::defines_symbol): New function.
2712         (Add_archive_symbols::run): Pass archive to plugins if any.
2713         * archive.h (class Archive): Declare defines_symbol.
2714         * readsyms.cc (Input_group::~Input_group): New function.
2715         (Finish_group::run): Pass input_group to plugins if any.
2716         * readsyms.h (class Input_group): Declare destructor.
2717         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2718         any.
2719
2720 2011-01-10  Ian Lance Taylor  <iant@google.com>
2721
2722         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2723         section as relro.
2724         (Layout::set_segment_offsets): Reset increase_relro before calling
2725         set_section_addresses a second time.
2726
2727 2011-01-04  Cary Coutant  <ccoutant@google.com>
2728
2729         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2730         sections before NOBITS sections.
2731
2732 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2733
2734         * version.cc (print_version): Update copyright to 2011.
2735
2736 2010-12-23  Cary Coutant  <ccoutant@google.com>
2737
2738         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2739         of OS to this->add.  Add OD parameter to second form of the function.
2740
2741 2010-12-20  Ian Lance Taylor  <iant@google.com>
2742
2743         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2744         second of two consecutive entries with same offset.
2745
2746 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2747
2748         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2749         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2750         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2751         to avoid unneeded links against $(LDADD).
2752         * testsuite/Makefile.in: Regenerate.
2753
2754 2010-12-15  Ian Lance Taylor  <iant@google.com>
2755
2756         PR gold/12324
2757         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2758         for R_X86_64_32 and R_X86_64_PC32.
2759         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2760         ver_matching_def_pic.o.
2761         (ver_matching_def_pic.o): New target.
2762
2763 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2764
2765         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2766         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2767         Move definition before File_read::View member definitions.
2768         (File_read::View::~View): Initialize and hold lock before
2769         updating current_mapped_bytes.
2770
2771 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2772
2773         * dwarf_reader.cc: Remove outdated comment.
2774         * gold-threads.cc: Fix typo in error message.
2775         * archive.cc: Fix typos in comments.
2776         * archive.h: Likewise.
2777         * arm-reloc-property.cc: Likewise.
2778         * arm-reloc-property.h: Likewise.
2779         * arm-reloc.def: Likewise.
2780         * arm.cc: Likewise.
2781         * attributes.h: Likewise.
2782         * cref.cc: Likewise.
2783         * ehframe.cc: Likewise.
2784         * fileread.h: Likewise.
2785         * gold.h: Likewise.
2786         * i386.cc: Likewise.
2787         * icf.cc: Likewise.
2788         * incremental.h: Likewise.
2789         * int_encoding.cc: Likewise.
2790         * layout.h: Likewise.
2791         * main.cc: Likewise.
2792         * merge.h: Likewise.
2793         * object.cc: Likewise.
2794         * object.h: Likewise.
2795         * options.cc: Likewise.
2796         * readsyms.cc: Likewise.
2797         * reduced_debug_output.cc: Likewise.
2798         * reloc.cc: Likewise.
2799         * script-sections.cc: Likewise.
2800         * sparc.cc: Likewise.
2801         * symtab.h: Likewise.
2802         * target-reloc.h: Likewise.
2803         * target.cc: Likewise.
2804         * target.h: Likewise.
2805         * timer.cc: Likewise.
2806         * timer.h: Likewise.
2807         * x86_64.cc: Likewise.
2808
2809 2010-12-09  Cary Coutant  <ccoutant@google.com>
2810
2811         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2812         stack.
2813         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2814         parameter; change all callers.
2815         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2816         * options.h (warn_execstack): New option.
2817
2818 2010-12-07  Doug Kwan  <dougkwan@google.com>
2819
2820         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2821         like function call relocations.
2822
2823 2010-12-07  Ian Lance Taylor  <iant@google.com>
2824
2825         * archive.cc (Archive::get_elf_object_for_member): Permit
2826         punconfigured to be NULL.
2827         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2828         (Archive::include_member): Pass NULL to get_elf_object_for_member
2829         if we searched for the archive and this is the first included
2830         object.
2831
2832 2010-12-01  Ian Lance Taylor  <iant@google.com>
2833
2834         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2835         track_relocs_type_ field.
2836         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2837         Set track_relocs_type_.
2838         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2839         contents when using RELA relocs.
2840         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2841         reloc_map_.
2842         * reloc.cc (Track_relocs::next_addend): New function.
2843         * reloc.h (class Track_relocs): Declare next_addend.
2844
2845 2010-12-01  Ian Lance Taylor  <iant@google.com>
2846
2847         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2848         virtual destructor.
2849
2850 2010-12-01  Ian Lance Taylor  <iant@google.com>
2851
2852         * README: Update compilers known to work and fail.
2853
2854 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2855
2856         * configure.in: For --enable-gold, handle value `default' instead of
2857         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2858         not the default.
2859         * configure: Regenerate.
2860
2861 2010-11-18  Doug Kwan  <dougkwan@google.com>
2862
2863         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2864         and right_alignment to be zero.  Store result alignment only if it is
2865         greater than existing alignment.
2866
2867 2010-11-16  Cary Coutant  <ccoutant@google.com>
2868
2869         PR gold/12220
2870         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2871         Check for ".zdebug_line".
2872
2873 2010-11-16  Doug Kwan  <dougkwan@google.com>
2874             Cary Coutant  <ccoutant@google.com>
2875
2876         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2877         by reference; adjust all callers.
2878         * output.cc (Output_segment::set_section_addresses): Adjust references
2879         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2880         list is empty.
2881         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2882         end at page boundary.
2883
2884 2010-11-16  Cary Coutant  <ccoutant@google.com>
2885
2886         PR gold/12220
2887         * layout.cc (Layout::choose_output_section): Transform names of
2888         compressed sections even when using a script with a SECTIONS clause.
2889         (Layout::output_section_name): Remove code to transform
2890         compressed debug section names.
2891         * output.cc (Output_section::add_input_section): Use uncompressed
2892         section size when tracking input sections.
2893
2894 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2895
2896         * symtab.h (Symbol::NON_PIC_REF): Remove.
2897         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2898         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2899         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2900         (Symbol::use_plt_offset): Take a flags argument and pass it
2901         directly to needs_dynamic_reloc.  Restrict check for undefined
2902         weak symbols to function calls.
2903         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2904         (Target_arm::Scan::global): Use it.
2905         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2906         (Target_arm::Relocate::relocate): Likewise.
2907         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2908         parameter with an r_type parameter.  Use get_reference_flags
2909         to get the flags.
2910         (Target_arm::Relocate::relocate): Update accordingly.
2911         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2912         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2913         (Target_i386::Scan::global): Likewise.
2914         (Target_i386::Relocate::relocate): Likewise.
2915         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2916         parameter with an r_type parameter.  Use get_reference_flags
2917         to get the flags.
2918         (Target_i386::Relocate::relocate): Update accordingly.
2919         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2920         (Target_powerpc::Scan::global): Use it.
2921         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2922         (Target_powerpc::Relocate::relocate): Likewise.
2923         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2924         (Target_sparc::Scan::global): Use it.
2925         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2926         (Target_sparc::Relocate::relocate): Likewise.
2927         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2928         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2929         (Target_x86_64::Scan::global): Likewise.
2930         (Target_x86_64::Relocate::relocate): Likewise.
2931
2932 2010-11-08  Doug Kwan  <dougkwan@google.com>
2933             Cary Coutant  <ccoutant@google.com>
2934
2935         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2936         (Arm_exidx_merge_section::section_contents_): New data member.
2937         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2938         (Arm_input_section::~Arm_input_section): De-allocate memory.
2939         (Arm_input_section::original_contents_): New data member.
2940         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2941         in parameters instead of calling Object::section_contents without
2942         locking.
2943         (Arm_output_section::group_section): New parameter TASK.  Pass it
2944         to callees that need locking objects.
2945         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2946         to lock EXIDX input sections.  Fix a formatting issue.  Call
2947         Arm_exidx_merged_section::build_contents to create merged section
2948         contents.
2949         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2950         to lock object of stub table owner.
2951         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2952         TEXT_SIZE to initialize data member TEXT_SIZE_.
2953         (Arm_exidx_input_section::addralign): Fix typo in comment.
2954         (Arm_exidx_input_section::text_size): New method.
2955         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2956         that require locking objects.  Lock objects before scanning for stubs
2957         and updating local symbols.
2958         (Arm_input_section<big_endian>::init): Copy contents of original
2959         input section.
2960         (Arm_input_section<big_endian>::do_write): Use saved contents of
2961         original input section instead of calling Object::section_contents
2962         without locking.
2963         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2964         size without calling Object::section_size().
2965         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2966         for size.  Allocate a buffer for merged EXIDX entries.
2967         (Arm_exidx_merged_section::build_contents): New method.
2968         (Arm_exidx_merged_section::do_write): Move merge section contents
2969         building code to Arm_exidx_merged_section::build_contetns.  Write
2970         out contetns in buffer instead of building it on the fly.
2971         (Arm_relobj::make_exidx_input_section): Also pass text section size
2972         to Arm_exidx_input_section constructor.
2973         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2974         (Arm_dynobj::do_read_symbols): Fix memory leak.
2975         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2976         * target.h: (class Task): Add forward declaration.
2977         (Target::relax): Add new parameter TASK and pass it to
2978         Target::do_relax().
2979         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2980
2981 2010-11-05  Cary Coutant  <ccoutant@google.com>
2982
2983         PR gold/10708
2984         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2985         object when reading from the file.
2986         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2987         second layout pass.
2988         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2989         when reading section contents.
2990         (get_section_contents): Likewise.
2991         (icf::find_identical_sections): Likewise.
2992         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2993         object when reading from the file.
2994         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2995         the object when doing deferred section layout.
2996
2997 2010-11-03  Nick Clifton  <nickc@redhat.com>
2998
2999         PR gold/12001
3000         * script.h (class Symbol_assignment: name): New member.  Returns
3001         the name of the symbol.
3002         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3003         Returns true if the given symbol name is on the list of
3004         assignments wating to be processed.
3005         * archive.cc (should_incldue_member): If the symbol is undefined,
3006         check to see if it is on the list of symbols pending assignment.
3007
3008 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3009
3010         * script-sections.cc (Script_sections::find_memory_region): Check
3011         for a NULL output section pointer.
3012
3013 2010-10-29  Doug Kwan  <dougkwan@google.com>
3014
3015         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3016         Output_section::add_relaxed_input_section.
3017         * output.cc (Output_section::add_relaxed_input_section): Add new
3018         arguments LAYOUT and NAME.  Set section order index.
3019         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3020         Copy section order index.
3021         * output.h (Output_section::add_relaxed_input_section): Add new
3022         arguments LAYOUT and NAME.
3023
3024 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3025
3026         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3027         NATIVE_OR_CROSS_LINKER.
3028         * testsuite/Makefile.in: Regenerate.
3029
3030 2010-10-20  Doug Kwan  <dougkwan@google.com>
3031
3032         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3033         without SHF_LINK_ORDER flags.
3034         * layout.cc (Layout::choose_output_section): Do not filter
3035         SHF_LINK_ORDER flag in a relocatable link.
3036
3037 2010-10-17  Cary Coutant  <ccoutant@google.com>
3038
3039         * output.h (Output_segment::set_section_addresses): Change function
3040         signature.  Update all callers.
3041         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3042         sections.
3043         (Output_segment::set_section_addresses): Align after last TLS
3044         section.  Add padding before last relro section instead of after.
3045
3046 2010-10-17  Doug Kwan  <dougkwan@google.com>
3047
3048         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3049         GOT output section to be writable.
3050
3051 2010-10-14  Cary Coutant  <ccoutant@google.com>
3052
3053         * debug.h (DEBUG_INCREMENTAL): New flag.
3054         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3055         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3056         mode.
3057         * incremental.cc (report_command_line): Ignore all forms of
3058         --incremental.
3059         * layout.cc (Layout::Layout): Check parameters for incremental link
3060         mode.
3061         * options.cc (General_options::parse_incremental): New function.
3062         (General_options::parse_no_incremental): New function.
3063         (General_options::parse_incremental_full): New function.
3064         (General_options::parse_incremental_update): New function.
3065         (General_options::incremental_mode_): New data member.
3066         (General_options::finalize): Check incremental_mode_.
3067         * options.h (General_options): Update help text for --incremental.
3068         Add --no-incremental, --incremental-full, --incremental-update.
3069         (General_options::Incremental_mode): New enum type.
3070         (General_options::incremental_mode): New function.
3071         (General_options::incremental_mode_): New data member.
3072         * parameters.cc (Parameters::incremental_mode_): New data member.
3073         (Parameters::set_options): Set incremental_mode_.
3074         (Parameters::set_incremental_full): New function.
3075         (Parameters::incremental): New function.
3076         (Parameters::incremental_update): New function.
3077         (set_parameters_incremental_full): New function.
3078         * parameters.h (Parameters::set_incremental_full): New function.
3079         (Parameters::incremental): New function.
3080         (Parameters::incremental_update): New function.
3081         (Parameters::incremental_mode_): New data member.
3082         (set_parameters_incremental_full): New function.
3083         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3084         incremental link mode.
3085         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3086         (Sized_relobj::do_relocate_sections): Likewise.
3087         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3088         option.
3089         * testsuite/Makefile.in: Regenerate.
3090         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3091
3092 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3093
3094         * script-sections.h (class Script_sections): Make
3095         Sections_elements typedef public.
3096         * script-sections.cc (class Sort_output_sections): Add elements_
3097         field.  Add constructor which sets it; change all callers.
3098         (Sort_output_sections::is_before): New function.
3099         (Sort_output_sections::operator()): Call is_before.
3100         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3101         conditional.
3102         * testsuite/script_test_10.sh: New test. Test script section
3103         order.
3104         * testsuite/script_test_10.t: Likewise.
3105         * testsuite/script_test_10.s: Likewise.
3106         * testsuite/Makefile.am: Wrap the cross linker tests and the
3107         common tests into NATIVE_OR_CROSS_LINKER.
3108         (check_SCRIPTS): Add script_test_10.sh.
3109         (check_DATA): Add script_test_10.stdout.
3110         (script_test_10.o, script_test_10): New targets.
3111         (script_test_10.stdout): New target.
3112         * configure, testsuite/Makefile.in: Regenerate.
3113
3114 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3115
3116         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3117         error for the deprecated relocations.
3118         (Target_arm::Scan::global): Likewise.
3119         (Target_arm::Relocate::relocate): Likewise.
3120
3121 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3122
3123         * fileread.cc (Input_file::find_file): Initialize *found_name
3124         and *namep when using the fallback search for case 4.
3125
3126 2010-10-11  Cary Coutant  <ccoutant@google.com>
3127
3128         * options.h (class General_options): Redefine -z lazy as an alias for
3129         the negation of -z now.
3130
3131 2010-10-11  Ian Lance Taylor  <iant@google.com>
3132
3133         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3134         binding.
3135
3136 2010-10-06  Nick Clifton  <nickc@redhat.com>
3137
3138         * script-sections.cc(class Memory_region): Remove
3139         current_lma_offset_ field.  Rename current_vma_offset_ to
3140         current_offset_.  Add last_section_ field.
3141         (Memory_region::get_current_vma_address): Rename to
3142         get_current_address.
3143         (Memory_region::get_current_lma_address): Delete.
3144         (Memory_region::increment_vma_offset): Rename to
3145         increment_offset.
3146         (Memory_region::increment_lma_offset): Delete.
3147         (Memory_region::attributes_compatible): New method.  Returns
3148         true if the provided section is compatible with the region.
3149         (Memory_region::get_last_section): New method.  Returns the last
3150         section to use the region.
3151         (Memory_region::set_last_section): New method.  Stores the last
3152         section to use the region.
3153         (Script_sections::block_in_region): New method.  Returns true if
3154         a block of memory is contained within a region.
3155         (Script_sections::find_memory_region): New method.  Locates a
3156         memory region to be used to set a VMA or LMA address.
3157         (Output_section_definition::set_section_addresses): Add code to
3158         check for addresses set by memory regions.
3159         (Output_segment::set_section_addresses): Remove memory region
3160         walking code.
3161         (Script_sections::create_segment): Add a warning if a header
3162         segment is created outside of any region.
3163         * script-sections.h (class Script_sections): Add prototypes for
3164         find_memory_region and block_in_region methods.
3165         * testsuite/memory_test.s: Use .long instead of .word.
3166         * testsuite/memory_test.t: Add some more output sections.
3167         * testsuite/memory_test.sh: Update expected output.
3168
3169 2010-10-02  Doug Kwan  <dougkwan@google.com>
3170
3171         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3172         defintion to symtab.h
3173         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3174         declaration to defintion.
3175
3176 2010-10-01  Nick Clifton  <nickc@redhat.com>
3177
3178         * expression.cc (eval): Replace dummy argument with NULL.
3179         (eval_maybe_dot): Check for a NULL result section pointer.
3180         (Symbol_expression::value): Likewise.
3181         (Dot_expression::value): Likewise.
3182         (BINARY_EXPRESSION): Likewise.
3183         (Max_expression::value): Likewise.
3184         (Min_expression::value): Likewise.
3185         (Absolute_expression::value): Likewise.
3186         (Addr_expression::value_from_output_section): Likewise.
3187         (Loaddddr_expression::value_from_output_section): Likewise.
3188         (Segment_start_expression::value): Likewise.
3189         * script-sections.cc
3190         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3191         argument with NULL.
3192         (Sections_elememt_dot_assignment::set_section_addresses):
3193         Likewise.
3194         (Output_data_expression::do_write_to_buffer): Likewise.
3195         (Output_section_definition::finalize_symbols): Likewise.
3196         (Output_section_definition::set_section_addresses): Likewise.
3197
3198 2010-09-30  Doug Kwan  <dougkwan@google.com>
3199
3200         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3201
3202 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3203
3204         * target.h (Target::can_icf_inline_merge_sections): New virtual
3205         function.
3206         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3207         virtual function.
3208         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3209         virtual function.
3210         * icf.cc (get_section_contents): Inline merge sections only when
3211         target allows it.
3212
3213 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3214
3215         * configure: Regenerate.
3216
3217 2010-09-17  Ian Lance Taylor  <iant@google.com>
3218
3219         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3220         * testsuite/Makefile.am (memory_test.o): New target.
3221         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3222         memory_test.t.
3223         * testsuite/Makefile.in: Rebuild.
3224
3225 2010-09-17  Doug Kwan  <dougkwan@google.com>
3226
3227         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3228         defintion if relocation uses GOT entries of the symbol.
3229         * testsuite/icf_safe_test.sh: Fix test.
3230         * testsuite/icf_safe_so_test.sh: Fix test.
3231
3232 2010-09-16  Cary Coutant  <ccoutant@google.com>
3233
3234         * script_sections.cc (class Memory_region): Remove "NULL" from
3235         vector initializations.
3236
3237 2010-09-15  Cary Coutant  <ccoutant@google.com>
3238
3239         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3240         Resolve forwarding symbols.
3241
3242 2010-09-15  Doug Kwan  <dougkwan@google.com>
3243
3244         * gold/testsuite/script_test_3.t: Add ARM special sections.
3245         * gold/testsuite/script_test_4.t: Same.
3246         * gold/testsuite/script_test_5.t: Same.
3247         * gold/testsuite/script_test_6.t: Same.
3248         * gold/testsuite/script_test_7.t: Same.
3249         * gold/testsuite/script_test_7.t: Same.
3250         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3251
3252 2010-09-14  Cary Coutant  <ccoutant@google.com>
3253
3254         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3255         (Target_x86_64::Relocate::relocate_tls): Replace check for
3256         saw_tls_block_reloc_ with test for executable section.
3257
3258 2010-09-12  Cary Coutant  <ccoutant@google.com>
3259
3260         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3261         position-independent executables to shared libraries need dynamic
3262         relocations.
3263         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3264         position-independent executables.
3265         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3266         * testsuite/Makefile.in: Regenerate.
3267
3268 2010-09-10  Nick Clifton  <nickc@redhat.com>
3269
3270         PR gold/11997
3271         * testsuite/memory_test.t: Discard any sections that are not
3272         needed.
3273
3274 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3275
3276         PR gold/11996
3277         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3278         "This::" to work around a bug in gcc 4.2.
3279
3280         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3281
3282 2010-09-09  Rafael Espindola  <espindola@google.com>
3283
3284         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3285         sections with different PF_X flags in the same segment.
3286         (Layout::find_first_load_seg): Search all segments to find the first
3287         one.
3288         * options.h (rosegment): New.
3289
3290 2010-09-08  Rafael Espindola  <espindola@google.com>
3291
3292         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3293
3294 2010-09-08  Doug Kwan  <dougkwan@google.com>
3295
3296         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3297         (Arm_relobj::do_relocate_sections): Add new parameter for output
3298         file to match the parent.
3299         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3300         of local symbols instead of input values.  Update code to track
3301         changes in gold::relocate_section.
3302         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3303         (Sized_relobj::compute_final_local_value_internal): New methods.
3304         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3305         body into private version of Sized_relobj::compute_final_local_value.
3306         Call the inline method.
3307         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3308         merged symbol value if there is one.
3309         (Symbol_value::has_output_value): New method defintiion.
3310         (Sized_relobj::Compute_final_local_value_status): New enum type.
3311         (Sized_relobj::compute_final_local_value): New methods.
3312         (Sized_relobj::compute_final_local_value_internal): New methods.
3313         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3314         and arm_cortex_a8.sh.
3315         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3316         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3317         New tests.
3318         * Makefile.in: Regenerate.
3319         * testsuite/arm_bl_out_of_range.s: Update test.
3320         * testsuite/thumb_bl_out_of_range.s: Ditto.
3321         * testsuite/thumb_blx_out_of_range.s: Ditto.
3322         * testsuite/arm_branch_out_of_range.sh: New file.
3323         * testsuite/arm_cortex_a8.sh: Ditto.
3324         * testsuite/arm_cortex_a8_b.s: Ditto.
3325         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3326         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3327         * testsuite/arm_cortex_a8_bl.s: Ditto.
3328         * testsuite/arm_cortex_a8_blx.s: Ditto.
3329         * testsuite/arm_cortex_a8_local.s: Ditto.
3330         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3331         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3332
3333 2010-09-08  Rafael Espindola  <espindola@google.com>
3334
3335         * Makefile.am (memory_test.stdout): Run readelf with -W.
3336         * Makefile.in: Regenerate.
3337         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3338         64 bit output.
3339
3340 2010-09-08  Rafael Espindola  <espindola@google.com>
3341
3342         * script-sections.cc (Script_sections::add_memory_region): Convert
3343         field precision to int.
3344         * script.cc (script_set_section_region, script_set_section_region):
3345         Convert field precision to int.
3346
3347 2010-09-08  Rafael Espindola  <espindola@google.com>
3348
3349         * arm.cc (do_finalize_sections): Create the __exidx_start and
3350         __exdix_end symbols even when the section is missing.
3351
3352 2010-09-08  Nick Clifton  <nickc@redhat.com>
3353
3354         * README: Remove claim that MEMORY is not supported.
3355         * expression.cc (script_exp_function_origin)
3356         (script_exp_function_length): Move from here to ...
3357         * script.cc: ... here.
3358         (script_set_section_region, script_add_memory)
3359         (script_parse_memory_attr, script_include_directive): New
3360         functions.
3361         * script-sections.cc
3362         (class Memory_region): New class.
3363         (class Output_section_definition): Add set_memory_region,
3364         set_section_vma, set_section_lma and get_section_name methods.
3365         (class Script_Sections): Add add_memory_region,
3366         find_memory_region, find_memory_region_origin,
3367         find_memory_region_length and set_memory_region methods.
3368         Have set_section_addresses method walk the list of set memory
3369         regions.
3370         Extend the print methos to display memory regions.
3371         * script-sections.h: Add prototypes for new methods.
3372         Add enum for MEMORY region attributes.
3373         * yyscript.y: Add support for parsing MEMORY regions.
3374         * script-c.h: Add prototypes for new functions.
3375         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3376         * testsuite/Makefile.in: Regenerate.
3377         * testsuite/memory_test.sh: New script.
3378         * testsuite/memory_test.s: New assembler source file.
3379         * testsuite/memory_test.t: New linker script.
3380
3381 2010-08-27  Doug Kwan  <dougkwan@google.com>
3382
3383         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3384         reference override an existing dynamic weak reference.
3385         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3386         * testsuite/Makefile.in: Regenerate.
3387         * testsuite/dyn_weak_ref.sh: New file.
3388         * testsuite/dyn_weak_ref_1.c: Ditto.
3389         * testsuite/dyn_weak_ref_2.c: Ditto.
3390
3391 2010-08-27  Ian Lance Taylor  <iant@google.com>
3392
3393         * incremental.h (class Incremental_input_entry): Add virtual
3394         destructor.
3395
3396 2010-08-27  Ian Lance Taylor  <iant@google.com>
3397
3398         * testsuite/start_lib_test_3.c: Mark t3 as used.
3399
3400 2010-08-27  Nick Clifton  <nickc@redhat.com>
3401
3402         * options.cc (version_script): Fix small typo in previous
3403         whitespace tidyup.
3404
3405 2010-08-25  Nick Clifton  <nickc@redhat.com>
3406
3407         * archive.cc: Formatting fixes: Remove whitespace between
3408         typename and following asterisk.  Remove whitespace between
3409         function name and opening parenthesis.
3410         * archive.h: Likewise.
3411         * arm.cc: Likewise.
3412         * attributes.cc: Likewise.
3413         * attributes.h: Likewise.
3414         * common.cc: Likewise.
3415         * copy-relocs.cc: Likewise.
3416         * dirsearch.h: Likewise.
3417         * dynobj.cc: Likewise.
3418         * ehframe.cc: Likewise.
3419         * ehframe.h: Likewise.
3420         * expression.cc: Likewise.
3421         * fileread.cc: Likewise.
3422         * fileread.h: Likewise.
3423         * gc.h: Likewise.
3424         * gold-threads.cc: Likewise.
3425         * gold.cc: Likewise.
3426         * i386.cc: Likewise.
3427         * icf.h: Likewise.
3428         * incremental-dump.cc: Likewise.
3429         * incremental.cc: Likewise.
3430         * layout.cc: Likewise.
3431         * layout.h: Likewise.
3432         * main.cc: Likewise.
3433         * merge.cc: Likewise.
3434         * merge.h: Likewise.
3435         * object.cc: Likewise.
3436         * object.h: Likewise.
3437         * options.cc: Likewise.
3438         * options.h: Likewise.
3439         * output.cc: Likewise.
3440         * output.h: Likewise.
3441         * plugin.cc: Likewise.
3442         * plugin.h: Likewise.
3443         * powerpc.cc: Likewise.
3444         * reloc.cc: Likewise.
3445         * script-c.h: Likewise.
3446         * script-sections.cc: Likewise.
3447         * script.cc: Likewise.
3448         * stringpool.cc: Likewise.
3449         * symtab.cc: Likewise.
3450         * symtab.h: Likewise.
3451         * target.cc: Likewise.
3452         * timer.cc: Likewise.
3453         * timer.h: Likewise.
3454         * version.cc: Likewise.
3455         * x86_64.cc: Likewise.
3456
3457 2010-08-24  Nick Clifton  <nickc@redhat.com>
3458
3459         PR 11899
3460         * layout.cc (segment_precedes): Sort segments by their physical
3461         addresses, if they have been set.
3462
3463 2010-08-23  Cary Coutant  <ccoutant@google.com>
3464
3465         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3466         symbols data.
3467         (Lib_group::include_member): Unlock object after deleting its
3468         symbols data.
3469         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3470         the bug fixed here.
3471
3472 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3473             Cary Coutant  <ccoutant@google.com>
3474
3475         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3476         constructor, and set_blocker.
3477         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3478         readsyms_blocker_.
3479         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3480         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3481         * testsuite/Makefile.am (start_lib_test): New test case.
3482         * testsuite/Makefile.in: Regenerate.
3483         * testsuite/start_lib_test_main.c: New file.
3484         * testsuite/start_lib_test_1.c: New file.
3485         * testsuite/start_lib_test_2.c: New file.
3486         * testsuite/start_lib_test_3.c: New file.
3487
3488 2010-08-19  Ian Lance Taylor  <iant@google.com>
3489
3490         * Makefile.in: Rebuild with automake 1.11.1.
3491         * aclocal.m4: Likewise.
3492         * testsuite/Makefile.in: Likewise.
3493
3494 2010-08-19  Ian Lance Taylor  <iant@google.com>
3495
3496         PR 10893
3497         * i386.cc (class Output_data_plt_i386): Update declarations.
3498         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3499         local_ifuncs_ fields.
3500         (Target_i386::do_plt_section_for_global): New function.
3501         (Target_i386::do_plt_section_for_local): New function.
3502         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3503         parameter; change all callers.  Initialize global_ifuncs_ and
3504         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3505         __rel_iplt_end.
3506         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3507         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3508         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3509         symbols.
3510         (Target_i386::make_plt_section): New function, broken out of
3511         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3512         (Target_i386::make_plt_entry): Call make_plt_section.
3513         (Target_i386::make_local_ifunc_plt_entry): New function.
3514         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3515         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3516         R_386_IRELATIVE to switch.
3517         (Target_i386::Scan::global): Likewise.
3518         (Target_i386::Relocate::relocate): Likewise.
3519         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3520         switch.
3521         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3522         (Target_x86_64::do_plt_section_for_global): New function.
3523         (Target_x86_64::do_plt_section_for_local): New function.
3524         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3525         parameter; change all callers.  If doing a static link define
3526         __rela_iplt_start and __rela_iplt_end.
3527         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3528         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3529         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3530         to point to .plt.
3531         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3532         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3533         switch.
3534         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3535         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3536         R_X86_64_IRELATIVE to switch.
3537         (Target_x86_64::Scan::global): Likewise.
3538         (Target_x86_64::Relocate::relocate): Likewise.
3539         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3540         switch.
3541         * target.h (class Target): Add plt_section_for_global and
3542         plt_section_for_local functions.  Add do_plt_section_for_global
3543         and do_plt_section_for_local virtual functions.
3544         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3545         clarifying comments.
3546         (Symbol::use_plt_offset): Handle IFUNC symbol.
3547         * object.cc (Sized_relobj::Sized_relobj): Initialize
3548         local_plt_offsets_.
3549         (Sized_relobj::local_has_plt_offset): New function.
3550         (Sized_relobj::local_plt_offset): New function.
3551         (Sized_relobj::set_local_plt_offset): New function.
3552         (Sized_relobj::do_count): Handle IFUNC symbol.
3553         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3554         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3555         is_ifunc_symbol functions.
3556         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3557         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3558         local_plt_offsets_ field.
3559         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3560         * output.h (class Output_section_data): Add non-const
3561         output_section function.
3562         (class Output_data_got): Update declarations.
3563         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3564         Add use_plt_offset parameter to global and local constructors.
3565         Change all callers.  Change local_sym_index_ field to 31 bits.
3566         Change GSYM_CODE and CONSTANT_CODE accordingly.
3567         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3568         doing a static link don't set sh_link field.
3569         (Output_data_got::Got_entry::write): Use PLT offset if
3570         appropriate.
3571         (Output_data_got::add_global_plt): New function.
3572         (Output_data_got::add_local_plt): New function.
3573         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3574         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3575         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3576         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3577         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3578         IFUNC conditional.
3579         * testsuite/ifunc-sel.h: New file.
3580         * testsuite/ifuncmain1.c: New file.
3581         * testsuite/ifuncmain1vis.c: New file.
3582         * testsuite/ifuncmod1.c: New file.
3583         * testsuite/ifuncdep2.c: New file.
3584         * testsuite/ifuncmain2.c: New file.
3585         * testsuite/ifuncmain3.c: New file.
3586         * testsuite/ifuncmod3.c: New file.
3587         * testsuite/ifuncmain4.c: New file.
3588         * testsuite/ifuncmain5.c: New file.
3589         * testsuite/ifuncmod5.c: New file.
3590         * testsuite/ifuncmain6pie.c: New file.
3591         * testsuite/ifuncmod6.c: New file.
3592         * testsuite/ifuncmain7.c: New file.
3593         * configure, testsuite/Makefile.in: Rebuild.
3594
3595 2010-08-18  Ian Lance Taylor  <iant@google.com>
3596
3597         * incremental.cc
3598         (Output_section_incremental_inputs::write_input_files): Add cast
3599         to avoid signed/unsigned comparison warning.
3600         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3601
3602 2010-08-12  Cary Coutant  <ccoutant@google.com>
3603
3604         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3605
3606 2010-08-13  Ian Lance Taylor  <iant@google.com>
3607
3608         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3609
3610 2010-08-12  Cary Coutant  <ccoutant@google.com>
3611             Doug Kwan  <dougkwan@google.com>
3612
3613         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3614         defintion overrides non-weak undef, remember that the original undef
3615         is not weak.
3616         * symtab.cc (Symbol_table::sized_write_global): For undef without
3617         an original weak binding, set binding to global in output.
3618         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3619         * testsuite/Makefile.in: Regenerate.
3620         * testsuite/strong_ref_weak_def.sh: New file.
3621         * testsuite/strong_ref_weak_def_1.c: Ditto.
3622         * testsuite/strong_ref_weak_def_2.c: Ditto.
3623
3624 2010-08-12  Cary Coutant  <ccoutant@google.com>
3625
3626         * testsuite/incremental_test.sh: Rewrite.
3627         * testsuite/incremental_test_1.c: Rewrite.
3628         * testsuite/incremental_test_2.c: Rewrite.
3629
3630 2010-08-12  Cary Coutant  <ccoutant@google.com>
3631
3632         * arm.cc (Target_arm::got_size): Add const.
3633         (Target_arm::got_entry_count): New function.
3634         (Target_arm::plt_entry_count): New function.
3635         (Target_arm::first_plt_entry_offset): New function.
3636         (Target_arm::plt_entry_size): New function.
3637         (Output_data_plt_arm::entry_count): New function.
3638         (Output_data_plt_arm::first_plt_entry_offset): New function.
3639         (Output_data_plt_arm::get_plt_entry_size): New function.
3640         * i386.cc (Target_i386::got_size): Add const.
3641         (Target_i386::got_entry_count): New function.
3642         (Target_i386::plt_entry_count): New function.
3643         (Target_i386::first_plt_entry_offset): New function.
3644         (Target_i386::plt_entry_size): New function.
3645         (Output_data_plt_i386::entry_count): New function.
3646         (Output_data_plt_i386::first_plt_entry_offset): New function.
3647         (Output_data_plt_i386::get_plt_entry_size): New function.
3648         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3649         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3650         * incremental.cc: Include target.h.
3651         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3652         parameter.  Adjust all callers.  Find incremental_got_plt section.
3653         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3654         section.
3655         (Output_section_incremental_inputs::set_final_data_size): Calculate
3656         size of incremental_got_plt section.
3657         (Output_section_incremental_inputs::do_write): Write the
3658         incremental_got_plt section.
3659         (Got_plt_view_info): New struct.
3660         (Local_got_offset_visitor): New class.
3661         (Global_got_offset_visitor): New class.
3662         (Global_symbol_visitor_got_plt): New class.
3663         (Output_section_incremental_inputs::write_got_plt): New function.
3664         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3665         Add parameter.  Adjust all callers.
3666         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3667         (Incremental_inputs::got_plt_section): New function.
3668         (Incremental_inputs::got_plt_section_): New data member.
3669         (Incremental_got_plt_reader): New class.
3670         * layout.cc (Layout::create_incremental_info_sections): Add the
3671         incremental_got_plt section.
3672         * object.h (Got_offset_list::get_list): New function.
3673         (Got offset_list::for_all_got_offsets): New function.
3674         (Sized_relobj::local_got_offset_list): New function.
3675         * powerpc.cc (Target_powerpc::got_size): Add const.
3676         (Target_powerpc::got_entry_count): New function.
3677         (Target_powerpc::plt_entry_count): New function.
3678         (Target_powerpc::first_plt_entry_offset): New function.
3679         (Target_powerpc::plt_entry_size): New function.
3680         (Output_data_plt_powerpc::entry_count): New function.
3681         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3682         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3683         * sparc.cc (Target_sparc::got_size): Add const.
3684         (Target_sparc::got_entry_count): New function.
3685         (Target_sparc::plt_entry_count): New function.
3686         (Target_sparc::first_plt_entry_offset): New function.
3687         (Target_sparc::plt_entry_size): New function.
3688         (Output_data_plt_sparc::entry_count): New function.
3689         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3690         (Output_data_plt_sparc::get_plt_entry_size): New function.
3691         * symtab.h (Symbol::got_offset_list): New function.
3692         (Symbol_table::for_all_symbols): New function.
3693         * target.h (Sized_target::got_entry_count): New function.
3694         (Sized_target::plt_entry_count): New function.
3695         (Sized_target::plt_entry_size): New function.
3696         * x86_64.cc (Target_x86_64::got_size): Add const.
3697         (Target_x86_64::got_entry_count): New function.
3698         (Target_x86_64::plt_entry_count): New function.
3699         (Target_x86_64::first_plt_entry_offset): New function.
3700         (Target_x86_64::plt_entry_size): New function.
3701         (Output_data_plt_x86_64::entry_count): New function.
3702         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3703         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3704
3705 2010-08-12  Cary Coutant  <ccoutant@google.com>
3706
3707         * archive.cc: Include incremental.h.
3708         (Archive::Archive): Initialize incremental_info_.
3709         (Archive::include_member): Record archive members in incremental info.
3710         (Add_archive_symbols::run): Record begin and end of an archive in
3711         incremental info.
3712         (Lib_group::include_member): Record objects in incremental info.
3713         * archive.h (Incremental_archive_entry): Forward declaration.
3714         (Archive::set_incremental_info): New member function.
3715         (Archive::incremental_info): New member function.
3716         (Archive::Unused_symbol_iterator): New class.
3717         (Archive::unused_symbols_begin): New member function.
3718         (Archive::unused_symbols_end): New member function.
3719         (Archive::incremental_info_): New data member.
3720         * incremental-dump.cc (find_input_containing_global): New function.
3721         (dump_incremental_inputs): Dump new incremental info sections.
3722         * incremental.cc: Include symtab.h.
3723         (Output_section_incremental_inputs): New class.
3724         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3725         new incremental info sections.
3726         (Sized_incremental_binary::do_check_inputs): Likewise.
3727         (Incremental_inputs::report_archive): Remove.
3728         (Incremental_inputs::report_archive_begin): New function.
3729         (Incremental_inputs::report_archive_end): New function.
3730         (Incremental_inputs::report_object): New function.
3731         (Incremental_inputs::finalize_inputs): Remove.
3732         (Incremental_inputs::report_input_section): New function.
3733         (Incremental_inputs::report_script): Rewrite.
3734         (Incremental_inputs::finalize): Do nothing but finalize string table.
3735         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3736         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3737         (Incremental_inputs::create_data_sections): New function.
3738         (Incremental_inputs::relocs_entsize): New function.
3739         (Output_section_incremental_inputs::set_final_data_size): New function.
3740         (Output_section_incremental_inputs::do_write): New function.
3741         (Output_section_incremental_inputs::write_header): New function.
3742         (Output_section_incremental_inputs::write_input_files): New function.
3743         (Output_section_incremental_inputs::write_info_blocks): New function.
3744         (Output_section_incremental_inputs::write_symtab): New function.
3745         * incremental.h (Incremental_script_entry): Forward declaration.
3746         (Incremental_object_entry): Forward declaration.
3747         (Incremental_archive_entry): Forward declaration.
3748         (Incremental_inputs): Forward declaration.
3749         (Incremental_inputs_header_data): Remove.
3750         (Incremental_inputs_header): Remove.
3751         (Incremental_inputs_header_write): Remove.
3752         (Incremental_inputs_entry_data): Remove.
3753         (Incremental_inputs_entry): Remove.
3754         (Incremental_inputs_entry_write): Remove.
3755         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3756         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3757         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3758         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3759         Likewise.
3760         (Incremental_input_entry): New class.
3761         (Incremental_script_entry): New class.
3762         (Incremental_object_entry): New class.
3763         (Incremental_archive_entry): New class.
3764         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3765         (Incremental_inputs::report_inputs): Remove.
3766         (Incremental_inputs::report_archive): Remove.
3767         (Incremental_inputs::report_archive_begin): New function.
3768         (Incremental_inputs::report_archive_end): New function.
3769         (Incremental_inputs::report_object): Change prototype.
3770         (Incremental_inputs::report_input_section): New function.
3771         (Incremental_inputs::report_script): Change prototype.
3772         (Incremental_inputs::get_reloc_count): New function.
3773         (Incremental_inputs::set_reloc_count): New function.
3774         (Incremental_inputs::create_data_sections): New function.
3775         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3776         (Incremental_inputs::inputs_section): New function.
3777         (Incremental_inputs::symtab_section): New function.
3778         (Incremental_inputs::relocs_section): New function.
3779         (Incremental_inputs::get_stringpool): Add const.
3780         (Incremental_inputs::command_line): Add const.
3781         (Incremental_inputs::inputs): Remove.
3782         (Incremental_inputs::command_line_key): New function.
3783         (Incremental_inputs::input_file_count): New function.
3784         (Incremental_inputs::input_files): New function.
3785         (Incremental_inputs::relocs_entsize): New function.
3786         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3787         (Incremental_inputs::finalize_inputs): Remove.
3788         (Incremental_inputs::Input_info): Remove.
3789         (Incremental_inputs::lock_): Remove.
3790         (Incremental_inputs::inputs_): Change type.
3791         (Incremental_inputs::inputs_map_): Remove.
3792         (Incremental_inputs::current_object_entry_): New data member.
3793         (Incremental_inputs::inputs_section_): New data member.
3794         (Incremental_inputs::symtab_section_): New data member.
3795         (Incremental_inputs::relocs_section_): New data member.
3796         (Incremental_inputs::reloc_count_): New data member.
3797         (Incremental_inputs_reader): New class.
3798         (Incremental_symtab_reader): New class.
3799         (Incremental_relocs_reader): New class.
3800         * layout.cc (Layout::finalize): Move finalization of incremental info
3801         and creation of incremental info sections to follow finalization of
3802         symbol table.  Set offsets for postprocessing sections.
3803         (Layout::create_incremental_info_sections): Call
3804         Incremental_inputs::create_data_sections.  Add incremental symtab
3805         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3806         sections to layout after input sections.
3807         * layout.h (struct Timespec): Forward declaration.
3808         (Layout::incremental_inputs): Add const.
3809         (Layout::create_incremental_info_sections): Add parameter.
3810         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3811         * object.cc: Include incremental.h.
3812         (Relobj::finalize_incremental_relocs): New function.
3813         (Sized_relobj::do_layout): Record input sections in incremental info.
3814         * object.h (Object::output_section): New function.
3815         (Object::output_section_offset): Moved from Relobj.
3816         (Object::get_incremental_reloc_base): New function.
3817         (Object::get_incremental_reloc_count): New function.
3818         (Object::do_output_section): New function.
3819         (Object::do_output_section_offset): Moved from Relobj.
3820         (Object::do_get_incremental_reloc_base): New function.
3821         (Object::do_get_incremental_reloc_count): New function.
3822         (Object::Object): Initialize new data members.
3823         (Relobj::output_section): Renamed do_output_section and moved to
3824         protected.
3825         (Relobj::output_section_offset): Moved to Object.
3826         (Relobj::do_get_incremental_reloc_base): New function.
3827         (Relobj::do_get_incremental_reloc_count): New function.
3828         (Relobj::allocate_incremental_reloc_counts): New function.
3829         (Relobj::count_incremental_reloc): New function.
3830         (Relobj::finalize_incremental_relocs): New function.
3831         (Relobj::next_incremental_reloc_index): New function.
3832         (Relobj::reloc_counts_): New data member.
3833         (Relobj::reloc_bases_): New data member.
3834         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3835         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3836         (Sized_relobj::incremental_relocs_scan): New function.
3837         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3838         (Sized_relobj::incremental_relocs_write): New function.
3839         (Sized_relobj::incremental_relocs_write_reltype): New function.
3840         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3841         incremental link.
3842         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3843         archives and object files elsewhere.
3844         (Add_symbols::run): Report object files here.
3845         (Finish_group::run): Report end of archive at end of group.
3846         * reloc.cc: Include layout.h, incremental.h.
3847         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3848         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3849         (Sized_relobj::incremental_relocs_scan): New function.
3850         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3851         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3852         (Sized_relobj::incremental_relocs_write): New function.
3853         (Sized_relobj::incremental_relocs_write_reltype): New function.
3854         * script.cc (read_input_script): Rewrite test for incremental link.
3855         Change call to Incremental_inputs::report_script.
3856         * symtab.h (Symbol_table::first_global_index): New function.
3857         (Symbol_table::output_count): New function.
3858
3859 2010-08-12  Doug Kwan  <dougkwan@google.com>
3860
3861         * arm.cc (Target_arm::merge_object_attributes): Check command line
3862         options --no-wchar-size-warning and --no-enum-size-warning.
3863         * options.h (General_options): Add ld-compatible options
3864         --no-enum-size-warning and --no-wchar-size-warning.
3865
3866 2010-08-04  Ian Lance Taylor  <iant@google.com>
3867
3868         * x86_64.cc (Target_x86_64::Scan::local): Use
3869         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3870         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3871         (Target_x86_64::Scan::global): Likewise.
3872         (Target_x86_64::Relocate::relocate): Likewise.
3873         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3874         Likewise.
3875
3876 2010-08-03  Cary Coutant  <ccoutant@google.com>
3877
3878         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3879         to reserve space in merged_strings vector. Keep total input size
3880         for stats.
3881         (Output_merge_string::do_print_merge_stats): Print total input size.
3882         * merge.h (Output_merge_string): Add input_size_ field.
3883         * stringpool.cc (Stringpool_template::string_length): Move
3884         implementations out of Stringpool_template class and place in
3885         stringpool.h.
3886         * stringpool.h (string_length): Move out of Stringpool_template.
3887
3888 2010-08-03  Ian Lance Taylor  <iant@google.com>
3889
3890         PR 11712
3891         * layout.cc (relaxation_loop_body): If address of load segment is
3892         set, adjust address to include headers if possible.
3893
3894 2010-08-03  Ian Lance Taylor  <iant@google.com>
3895
3896         * version.cc (version_string): Bump to 1.10.
3897
3898 2010-08-03  Ian Lance Taylor  <iant@google.com>
3899
3900         PR 11805
3901         * layout.h (enum Output_section_order): Define.
3902         (class Layout): Update declarations.
3903         * layout.cc (Layout::get_output_section): Add order parameter.
3904         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3905         is_first_non_relro parameters.  Change all callers.
3906         (Layout::choose_output_section): Likewise.
3907         (Layout::add_output_section_data): Likewise.
3908         (Layout::make_output_section): Likewise.  Set order.
3909         (Layout::default_section_order): New function.
3910         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3911         * output.cc (Output_section::Output_section): Initialize order_.
3912         Don't initialize deleted fields.
3913         (Output_segment::Output_segment): Don't initialize deleted
3914         fields.
3915         (Output_segment::add_output_section_to_load): New function
3916         replacing add_output_section.  Change all callers to call this or
3917         add_output_section_to_nonload.
3918         (Output_segment::add_output_section_to_nonload): New function.
3919         (Output_segment::remove_output_section): Rewrite.
3920         (Output_segment::add_initial_output_data): Likewise.
3921         (Output_segment::has_any_data_sections): Likewise.
3922         (Output_segment::is_first_section_relro): Likewise.
3923         (Output_segment::maximum_alignment): Likewise.
3924         (Output_segment::has_dynamic_reloc): New function replacing
3925         dynamic_reloc_count.  Change all callers.
3926         (Output_segment::has_dynamic_reloc_list): New function replacing
3927         dynamic_reloc_count_list.  Change all callers.
3928         (Output_segment::set_section_addresses): Rewrite.
3929         (Output_segment::set_offset): Rewrite.
3930         (Output_segment::find_first_and_last_list): Remove.
3931         (Output_segment::set_tls_offsets): Rewrite.
3932         (Output_segment::first_section_load_address): Likewise.
3933         (Output_segment::output_section_count): Likewise.
3934         (Output_segment::section_with_lowest_load_address): Likewise.
3935         (Output_segment::write_section_headers): Likewise.
3936         (Output_segment::print_sections_to_map): Likewise.
3937         * output.h (class Output_data): Remove dynamic_reloc_count_
3938         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3939         (Output_data::add_dynamic_reloc): Rewrite.
3940         (Output_data::has_dynamic_reloc): New function.
3941         (Output_data::dynamic_reloc_count): Remove.
3942         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3943         is_last_relro_, is_first_non_relro_, is_interp_,
3944         is_dynamic_linker_section_ fields.  Add order and set_order
3945         functions.  Remove is_relro_local, set_is_relro_local,
3946         is_last_relro, set_is_last_relro, is_first_non_relro,
3947         set_is_first_non_relro functions, is_interp, set_is_interp,
3948         is_dynamic_linker_section, and set_is_dynamic_linker_section
3949         functions.
3950         (class Output_segment): Change Output_data_list from std::list to
3951         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3952         output_bss_ fields.  Update declarations.
3953
3954 2010-08-02  Ian Lance Taylor  <iant@google.com>
3955
3956         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3957         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3958         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3959
3960 2010-08-02  Ian Lance Taylor  <iant@google.com>
3961
3962         PR 11855
3963         * script.cc (Script_options::Script_options): Initialize
3964         symbol_definitions_ and symbol_references_.
3965         (Script_options::add_symbol_assignment): Update
3966         symbol_definitions_ and symbol_references_.
3967         (Script_options::add_symbol_reference): New function.
3968         (script_symbol): New function.
3969         * script.h (class Script_options): Add symbol_definitions_ and
3970         symbol_references_ fields.
3971         (Script_options::referenced_const_iterator): New type.
3972         (Script_options::referenced_begin): New function.
3973         (Script_options::referenced_end): New function.
3974         (Script_options::is_referenced): New function.
3975         (Script_options::any_unreferenced): New function.
3976         * script-c.h (script_symbol): Declare.
3977         * yyscript.y (exp): Call script_symbol.
3978         * symtab.cc: Include "script.h".
3979         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3980         Change all callers.  Check symbols referenced by scripts.
3981         (Symbol_table::add_undefined_symbols_from_command_line): Add
3982         layout parameter.  Change all callers.
3983         (Symbol_table::do_add_undefined_symbols_from_command_line):
3984         Likewise.  Break out loop body.  Check symbols referenced by
3985         scripts.
3986         (Symbol_table::add_undefined_symbol_from_command_line): New
3987         function broken out of
3988         do_add_undefined_symbols_from_command_line.
3989         * symtab.h (class Symbol_table): Update declarations.
3990         * archive.cc: Include "layout.h".
3991         (Archive::should_include_member): Add layout parameter.  Change
3992         all callers.  Check for symbol mentioned in expression.
3993         * archive.h (class Archive): Update declaration.
3994         * object.cc (Sized_relobj::do_should_include_member): Add layout
3995         parameter.
3996         * object.h (Object::should_include_member): Add layout parameter.
3997         Change all callers.
3998         (Object::do_should_include_member): Add layout parameter.
3999         (class Sized_relobj): Update declaration.
4000         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4001         parameter.
4002         * dynobj.h (class Sized_dynobj): Update declaration.
4003         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4004         layout parameter.
4005         * plugin.h (class Sized_pluginobj): Update declaration.
4006
4007 2010-08-02  Ian Lance Taylor  <iant@google.com>
4008
4009         PR 11866
4010         * output.cc (Output_segment::set_offset): Search for the first and
4011         last sections rather than assuming that the list is in order.
4012         (Output_segment::find_first_and_last_list): New function.
4013         * output.h (class Output_segment): Update declarations.
4014         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4015         (relro_strip_test_SOURCES): New variable.
4016         (relro_strip_test_DEPENDENCIES): New variable.
4017         (relro_strip_test_LDFLAGS): New variable.
4018         (relro_strip_test_LDADD): New variable.
4019         (relro_strip_test.so): New target.
4020
4021 2010-08-02  Ian Lance Taylor  <iant@google.com>
4022
4023         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4024         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4025         (Target_i386::got_tlsdesc_section): New function.
4026         (Target_i386::got_section): Create space for GOT entries for
4027         TLSDESC relocations.
4028         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4029         R_386_TLS_GOTDESC.
4030         (Target_i386::Scan::global): Likewise.
4031         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4032         using TLSDESC GOT.
4033         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4034         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4035         (Target_x86_64::got_tlsdesc_section): New function.
4036         (Target_x86_64::got_section): Create space for GOT entries for
4037         TLSDESC relocations.
4038         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4039         R_386_TLS_GOTDESC.
4040         (Target_x86_64::Scan::global): Likewise.
4041         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4042         using TLSDESC GOT.
4043
4044 2010-08-02  Ian Lance Taylor  <iant@google.com>
4045
4046         * testsuite/final_layout.sh: Use dc to convert from hex to
4047         decimal.
4048
4049 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4050
4051         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4052         paramter to the call to gold::gc_process_relocs.
4053         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4054         paramter to the call to gold::gc_process_relocs.
4055         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4056         parameter to the call to gold::gc_process_relocs.
4057         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4058         template parameter to the call to gold::gc_process_relocs.
4059         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4060         paramter to the call to gold::gc_process_relocs.
4061         * gc.h (get_embedded_addend_size): New function.
4062         (gc_process_relocs): Save the size of the reloc for use by ICF.
4063         * icf.cc (get_section_contents): Get the addend from the text section
4064         for SHT_REL relocation sections.
4065         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4066         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4067         * int_encoding.h (read_from_pointer): New overloaded function.
4068         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4069         * testsuite/icf_sht_rel_addend_test.sh: New file.
4070         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4071         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4072
4073 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4074
4075         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4076         * Makefile.in: Regenerate.
4077         * testsuite/Makefile.in: Regenerate.
4078
4079 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4080
4081         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4082         * gold/testsuite/debug_msg.cc: Likewise.
4083         * gold/testsuite/odr_violation1.cc
4084         * gold/testsuite/odr_violation2.cc
4085
4086 2010-07-21  Cary Coutant  <ccoutant@google.com>
4087
4088         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4089         string, and length fields.
4090         (Output_merge_string::Merged_strings_list): New type.
4091         (Output_merge_string::Merged_strings_lists): New typedef.
4092         (Output_merge_string): Replace merged_strings_ with
4093         merged_strings_lists_.
4094         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4095         Merged_strings_list per input object and section.  Don't store pointer
4096         to the string.  Don't store length with each merged string entry.
4097         (Output_merge_string::finalize_merged_data): Loop over list of merged
4098         strings lists.  Recompute length of each merged string.
4099
4100 2010-07-15  Cary Coutant  <ccoutant@google.com>
4101
4102         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4103         here.
4104
4105 2010-07-14  Ian Lance Taylor  <iant@google.com>
4106
4107         * descriptors.cc (Descriptors::open): Report correct name in error
4108         message.
4109
4110 2010-07-13  Doug Kwan  <dougkwan@google.com>
4111
4112         * arm.cc (Arm_input_section::Arm_input_section): For a
4113         SHT_ARM_EXIDX section, always keeps the input sections.
4114         (Arm_input_section::set_exidx_section_link): New method.
4115         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4116         has_errors_ to false.
4117         (Arm_exidx_input_section::has_errors,
4118         Arm_exidx_input_section::set_has_errors): New methods.
4119         (Arm_exidx_input_section::has_errors_): New data member.
4120         (Arm_relobj::get_exidx_shndx_list): New method.
4121         (Arm_output_section::append_text_sections_to_list): Do not skip
4122         section without SHF_EXECINSTR.
4123         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4124         errors.
4125         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4126         section header.  Make error messages more verbose.  Check for
4127         a non-executable section linked to an EXIDX section.
4128         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4129         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4130         check that there is no deferred EXIDX section if we exit early.
4131         Instead of not making an EXIDX section in case of an error, make one
4132         and set the has_errors flag of it.
4133         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4134         in a relocatable link.
4135         (Target_arm::do_relax): Look for the EXIDX output section instead of
4136         assuming that it is called .ARM.exidx.
4137         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4138         section list.  Do not check for SHF_EXECINSTR section flags but
4139         skip any input section with errors.
4140         * output.cc (Output_section::Output_section): Initialize
4141         always_keeps_input_sections_ to false.
4142         (Output_section::add_input_section): Check for
4143         always_keeps_input_sections_.
4144         *  output.h (Output_section::always_keeps_input_sections,
4145         Output_section::set_always_keeps_input_sections): New methods.
4146         (Output_section::always_keeps_input_sections): New data member.
4147
4148 2010-07-13  Rafael Espindola  <espindola@google.com>
4149
4150         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4151         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4152
4153 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4154             Ian Lance Taylor  <iant@google.com>
4155
4156         * output.h (Output_section_lookup_maps::add_merge_section):
4157         Correct check of whether value was inserted.
4158         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4159         (Output_section_lookup_maps::add_relaxed_input_section):
4160         Likewise.
4161         * arm.cc (Target_arm::got_section): Remove used local os.
4162         * i386.cc (Target_i386::got_section): Likewise.
4163         * x86_64.cc (Target_x86_64::got_section): Likewise.
4164         * sparc.cc (Target_sparc::got_section): Likewise.
4165         (Target_sparc::relocate): Remove unused local have_got_offset.
4166         * powerpc.cc (Target_powerpc::relocate): Likewise.
4167
4168 2010-07-13  Ian Lance Taylor  <iant@google.com>
4169
4170         * compressed_output.cc (zlib_decompress): Fix signature in
4171         !HAVE_ZLIB_H case.
4172
4173         * archive.cc (Archive::include_member): Unlock an external member
4174         of a thin archive.  Don't bother to delete an object we know is
4175         NULL.
4176
4177 2010-07-12  Cary Coutant  <ccoutant@google.com>
4178
4179         * compressed_output.cc (zlib_decompress): New function.
4180         (get_uncompressed_size): New function.
4181         (decompress_input_section): New function.
4182         * compressed_output.h (get_uncompressed_size): New function.
4183         (decompress_input_section): New function.
4184         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4185         Handle compressed debug sections.
4186         * layout.cc (is_compressed_debug_section): New function.
4187         (Layout::output_section_name): Map compressed section names to
4188         canonical names.
4189         * layout.h (is_compressed_debug_section): New function.
4190         (is_debug_info_section): Recognize compressed debug sections.
4191         * merge.cc: Include compressed_output.h.
4192         (Output_merge_data::do_add_input_section): Handle compressed
4193         debug sections.
4194         (Output_merge_string::do_add_input_section): Handle compressed
4195         debug sections.
4196         * object.cc: Include compressed_output.h.
4197         (Sized_relobj::Sized_relobj): Initialize new data members.
4198         (build_compressed_section_map): New function.
4199         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4200         * object.h (Object::section_is_compressed): New method.
4201         (Object::do_section_is_compressed): New method.
4202         (Sized_relobj::Compressed_section_map): New type.
4203         (Sized_relobj::do_section_is_compressed): New method.
4204         (Sized_relobj::compressed_sections_): New data member.
4205         * output.cc (Output_section::add_input_section): Handle compressed
4206         debug sections.
4207         * reloc.cc: Include compressed_output.h.
4208         (Sized_relobj::write_sections): Handle compressed debug sections.
4209
4210 2010-07-08  Cary Coutant  <ccoutant@google.com>
4211
4212         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4213         weak when resolving to a dynamic def.
4214         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4215         for weak undef/dynamic def cases. Adjust callers.
4216         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4217         undef_binding_weak_.
4218         (Symbol_table::sized_write_globals): Adjust symbol binding.
4219         (Symbol_table::sized_write_symbol): Add binding parameter.
4220         * symtab.h (Symbol::set_undef_binding): New method.
4221         (Symbol::is_undef_binding_weak): New method.
4222         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4223         (Symbol_table::should_override): Add new parameter.
4224         (Symbol_table::sized_write_symbol): Add new parameter.
4225
4226         * testsuite/weak_undef_file1.cc: Add new test case.
4227         * testsuite/weak_undef_file2.cc: Fix header comment.
4228         * testsuite/weak_undef_test.cc: Add new test case.
4229
4230 2010-06-29  Doug Kwan  <dougkwan@google.com>
4231
4232         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4233         Initialize USE_SYMBOL_.
4234         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4235         definition.
4236         (Arm_reloc_property::uses_symbol_): New data member declaration.
4237         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4238         uses symbol value and symbol is undefined but not weakly undefined.
4239
4240 2010-06-28  Rafael Espindola  <espindola@google.com>
4241
4242         * plugin.cc (Plugin::load): Use dlerror.
4243
4244 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4245
4246         * symtab.cc (detect_odr_violations): When reporting an ODR
4247         violation, report an object where the symbol is defined.
4248
4249 2010-06-25  Doug Kwan  <dougkwan@google.com>
4250
4251         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4252         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4253         definition.
4254         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4255         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4256         target hook to detect function points.
4257         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4258         * icf.h (Icf::check_section_for_function_pointers): Change type of
4259         parameter SECTION_NAME to const reference to std::string.  Use
4260         target hook to determine if section may have unsafe pointers.
4261         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4262         method definition.
4263
4264 2010-06-21  Rafael Espindola  <espindola@google.com>
4265
4266         * fileread.cc (Input_file::find_fie): New
4267         (Input_file::open): Use Input_file::find_fie.
4268         * fileread.h (Input_file::find_fie): New
4269         * plugin.cc (set_extra_library_path): New.
4270         (Plugin::load): Add set_extra_library_path to the transfer vector.
4271         (Plugin_manager::set_extra_library_path): New.
4272         (Plugin_manager::add_input_file): Use the extra search path if set.
4273         (set_extra_library_path(): New.
4274         * plugin.h (Plugin_manager): Add set_extra_library_path and
4275         extra_search_path_.
4276
4277 2010-06-19  Cary Coutant  <ccoutant@google.com>
4278
4279         * layout.cc (gdb_sections): Add .debug_types.
4280         (lines_only_debug_sections): Likewise.
4281
4282 2010-06-18  Rafael Espindola  <espindola@google.com>
4283
4284         * plugin.cc (add_input_file,add_input_library)
4285         (Plugin_manager::add_input_file): Make filename arguments const.
4286         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4287         const.
4288
4289 2010-06-16  Doug Kwan  <dougkwan@google.com>
4290
4291         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4292         .ARM.attributes section if we have not merged any input
4293         attributes sections.
4294
4295 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4296
4297         * arm.cc: Allow combining objects with no EABI version
4298         information.
4299
4300 2010-06-15  Rafael Espindola  <espindola@google.com>
4301
4302         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4303
4304 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4305
4306         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4307         (struct iovec): Correct !HAVE_READV definition.
4308
4309 2010-06-10  Cary Coutant  <ccoutant@google.com>
4310
4311         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4312         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4313         reloc sections.
4314         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4315
4316         PR 11683
4317         * symtab.h (Symbol::is_placeholder): New member function.
4318         * target-reloc.h (relocate_section): Check for placeholder symbols.
4319
4320         * testsuite/Makefile.am (plugin_test_8): New test.
4321         (plugin_test_9): New test.
4322         * testsuite/Makefile.in: Regenerate.
4323
4324 2010-06-09  Nick Clifton  <nickc@redhat.com>
4325
4326         * yyscript.y (input_list_element): Allow strings prefixed with
4327         the '-' character.  Treat these as libraries.
4328         * script.cc (script_add_library): New function.  Adds a library
4329         specified by "-l<name>" found in an input script.
4330         * script-c.h: Add prototype for script_add_library.
4331
4332 2010-06-07  Doug Kwan  <dougkwan@google.com>
4333
4334         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4335         Restrict stub-group size to be within long conditional branch
4336         range when working around cortex-A8 erratum.
4337
4338 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4339
4340         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4341         #ifdef typo.
4342
4343 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4344
4345         PR gold/11658
4346         * output.cc
4347         (Output_section::Input_section_sort_entry::compare_section_ordering):
4348         Change to return non-zero correctly.
4349         (Output_section::Input_section_sort_section_order_index_compare
4350         ::operator()): Change to fix ambiguity in comparisons.
4351
4352 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4353
4354         * gold.h (is_wildcard_string): New function.
4355         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4356         (Layout::layout_eh_frame): Ditto.
4357         (Layout::find_section_order_index): New method.
4358         (Layout::read_layout_from_file): New method.
4359         * layout.h (Layout::find_section_order_index): New method.
4360         (Layout::read_layout_from_file): New method.
4361         (Layout::input_section_position_): New private member.
4362         (Layout::input_section_glob_): New private member.
4363         * main.cc (main): Call read_layout_from_file here.
4364         * options.h (--section-ordering-file): New option.
4365         * output.cc (Output_section::input_section_order_specified_): New
4366         member.
4367         (Output_section::Output_section): Initialize new member.
4368         (Output_section::add_input_section): Add new parameter.
4369         Keep input sections when --section-ordering-file is used.
4370         (Output_section::set_final_data_size): Sort input sections when
4371         section ordering file is specified.
4372         (Output_section::Input_section_sort_entry): Add new parameter.
4373         Check sorting type.
4374         (Output_section::Input_section_sort_entry::compare_section_ordering):
4375         New method.
4376         (Output_section::Input_section_sort_compare::operator()): Change to
4377         consider section_order_index.
4378         (Output_section::Input_section_sort_init_fini_compare::operator()):
4379         Change to consider section_order_index.
4380         (Output_section::Input_section_sort_section_order_index_compare
4381         ::operator()): New method.
4382         (Output_section::sort_attached_input_sections): Change to sort
4383         according to section order when specified.
4384         (Output_section::add_input_section<32, true>): Add new parameter.
4385         (Output_section::add_input_section<64, true>): Add new parameter.
4386         (Output_section::add_input_section<32, false>): Add new parameter.
4387         (Output_section::add_input_section<64, false>): Add new parameter.
4388         * output.h (Output_section::add_input_section): Add new parameter.
4389         (Output_section::input_section_order_specified): New
4390         method.
4391         (Output_section::set_input_section_order_specified): New method.
4392         (Input_section::Input_section): Initialize section_order_index_.
4393         (Input_section::section_order_index): New method.
4394         (Input_section::set_section_order_index): New method.
4395         (Input_section::section_order_index_): New member.
4396         (Input_section::Input_section_sort_section_order_index_compare): New
4397         struct.
4398         (Output_section::input_section_order_specified_): New member.
4399         * script-sections.cc (is_wildcard_string): Delete and move modified
4400         method to gold.h.
4401         (Output_section_element_input::Output_section_element_input): Modify
4402         call to is_wildcard_string.
4403         (Output_section_element_input::Input_section_pattern
4404         ::Input_section_pattern): Ditto.
4405         (Output_section_element_input::Output_section_element_input): Ditto.
4406         * testsuite/Makefile.am (final_layout): New test case.
4407         * testsuite/Makefile.in: Regenerate.
4408         * testsuite/final_layout.cc: New file.
4409         * testsuite/final_layout.sh: New file.
4410
4411 2010-06-01  Rafael Espindola  <espindola@google.com>
4412
4413         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4414
4415 2010-06-01  Rafael Espindola  <espindola@google.com>
4416
4417         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4418         visibility of symbols.
4419
4420 2010-05-27  Doug Kwan  <dougkwan@google.com>
4421
4422         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4423         from start of output section instead of address for a local symbol
4424         in a merged or relaxed section when doing a relocatable link.
4425
4426 2010-05-26  Rafael Espindola  <espindola@google.com>
4427
4428        PR 11604
4429         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4430         adding sections the garbage collector removed.
4431         * gold/testsuite/Makefile.am: Add test.
4432         * gold/testsuite/Makefile.in: Regenerate.
4433         * gold/testsuite/plugin_test_7.sh: New.
4434         * gold/testsuite/plugin_test_7_1.c: New.
4435         * gold/testsuite/plugin_test_7_2.c: New.
4436
4437 2010-05-26  Rafael Espindola  <espindola@google.com>
4438
4439         * script-sections.cc (Output_section_definition::set_section_addresses):
4440         Check for --section-start.
4441
4442 2010-05-26  Doug Kwan  <dougkwan@google.com>
4443
4444         * arm.cc (Arm_scan_relocatable_relocs): New class.
4445         (Target_arm::relocate_special_relocatable): New method.
4446         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4447         (Arm_relocate_functions::thumb_branch_common): Same.
4448         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4449         instead of Default_scan_relocatable_relocs.
4450         * target-reloc.h (relocate_for_relocatable): Let target handle
4451         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4452         * target.h (Sized_target::relocate_special_relocatable): New method.
4453
4454 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4455
4456         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4457
4458 2010-05-23  Doug Kwan  <dougkwan@google.com>
4459
4460         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4461         instead of a cast.
4462         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4463         with a direct branch, not a conditional branch, to a stub.
4464         * merge.cc (Output_merge_base::record_input_section): New method
4465         defintion.
4466         (Output_merge_data::do_add_input_section): Record input section if
4467         keeps-input-sections flag is set.
4468         (Output_merge_string::do_add_input_section): Ditto.
4469         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4470         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4471         INPUT_SECTIONS_.
4472         (Output_merge_base::keeps_input_sections,
4473         Output_merge_base::set_keeps_input_sections,
4474         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4475         method definitions.
4476         (Output_merge_base::Input_sections): New type declaration.
4477         (Output_merge_base::input_sections_begin,
4478         Output_merge_base::input_sections_end,
4479         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4480         (Output_merge_base::bool keeps_input_sections_,
4481         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4482         Output_merge_base::input_sections_): New data members.
4483         (Output_merge_data::do_set_keeps_input_sections): New method
4484         defintion.
4485         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4486         * output.cc (Output_section::Input_section::relobj): Move method
4487         defintion from class declaration to here and handle merge sections.
4488         (Output_section::Input_section::shndx): Ditto.
4489         (Output_section::Output_section): Remove initializations of removed
4490         data members and initialize new data member LOOKUP_MAPS_.
4491         (Output_section::add_input_section): Set keeps-input-sections flag
4492         for a newly created merge output section as appropriate.  Adjust code
4493         to use Output_section_lookup_maps class.
4494         (Output_section::add_relaxed_input_section): Adjst code for lookup
4495         maps code refactoring.
4496         (Output_section::add_merge_input_section): Add a new parameter
4497         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4498         class.  If adding input section to a newly created merge output
4499         section fails, remove the new merge section.
4500         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4501         Adjust code for use of the Output_section_lookup_maps class.
4502         (Output_section::find_merge_section): Ditto.
4503         (Output_section::build_lookup_maps): New method defintion.
4504         (Output_section::find_relaxed_input_section): Adjust code to use
4505         Output_section_lookup_maps class.
4506         (Output_section::get_input_sections): Export merge sections.  Adjust
4507         code to use Output_section_lookup_maps class.
4508         (Output_section:::add_script_input_section): Adjust code to use
4509         Output_section_lookup_maps class.  Update lookup maps for merge
4510         sections also.
4511         (Output_section::discard_states): Use Output_section_lookup_maps.
4512         (Output_section::restore_states): Same.
4513         * output.h (Merge_section_properties): Move class defintion out of
4514         Output_section.
4515         (Output_section_lookup_maps): New class.
4516         (Output_section::Input_section::is_merge_section): New method
4517         defintion.
4518         (Output_section::Input_section::relobj): Move defintion out of class
4519         defintion.  Declare method only.
4520         (Output_section::Input_section::shndx): Ditto.
4521         (Output_section::Input_section::output_merge_base): New method defintion.
4522         (Output_section::Input_section::u2_.pomb): New union field.
4523         (Output_section::Merge_section_by_properties_map,
4524         Output_section::Output_section_data_by_input_section_map,
4525         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4526         Remove types.
4527         (Output_section::add_merge_input_section): Add new parameter
4528         KEEPS_INPUT_SECTIONS.
4529         (Output_section::build_lookup_maps): New method declaration.
4530         (Output_section::merge_section_map_,
4531         Output_section::merge_section_by_properties_map_,
4532         Output_section::relaxed_input_section_map_,
4533         Output_section::is_relaxed_input_section_map_valid_): Remove data
4534         members.
4535         (Output_section::lookup_maps_): New data member.
4536
4537 2010-05-21  Doug Kwan  <dougkwan@google.com>
4538
4539         PR gold/11619
4540         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4541         avoid a compilation error.
4542
4543 2010-05-19  Rafael Espindola  <espindola@google.com>
4544
4545         * script-sections.cc (Output_section_definition::allocate_to_segment):
4546         Update the phdrs_list even when the output section is NULL.
4547         * testsuite/Makefile.am: Add test.
4548         * testsuite/Makefile.in: Regenerate.
4549         * testsuite/script_test_9.cc: New.
4550         * testsuite/script_test_9.sh: New.
4551         * testsuite/script_test_9.t: New.
4552
4553 2010-05-19  Doug Kwan  <dougkwan@google.com>
4554
4555         * arm.cc (Arm_input_section::original_size): New method.
4556         (Arm_input_section::do_addralign): Add a cast.
4557         (Arm_input_section::do_output_offset): Remove static cast.
4558         (Arm_input_section::original_addralign,
4559          Arm_input_section::original_size_): Change type to uint32_t.
4560         (Arm_input_section::init): Add safe casts for section alignment
4561         and size.
4562         (Arm_input_section::set_final_data_size): Do not set address and
4563         offset of stub table.
4564         (Arm_output_section::fix_exidx_coverage): Change use of of
4565         Output_section::Simple_input_section to that of
4566         Output_section::Input_section.
4567         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4568         except for the first pass.
4569         * output.cc (Output_section::get_input_sections): Change type of
4570         input_sections to std::list<Input_section>.
4571         (Output_section::add_script_input_section): Rename from
4572         Output_section::add_simple_input_section.  Change type of SIS
4573         parameter from Simple_input_section to Input_section.
4574         * output.h (Output_section::Simple_input_section): Remove class.
4575         (Output_section::Input_section): Change class visibility to public.
4576         (Output_section::Input_section::addralign): Use stored alignments
4577         for special input sections if set.
4578         (Output_section::Input_section::set_addralign): New method.
4579         (Output_section::get_input_sections): Change parameter type from
4580         list of Simple_input_section to list of Input_section.
4581         (Output_section::add_script_input_section): Rename from
4582         Output_section::add_simple_input_section. Change first parameter's
4583         type from Simple_input_section to Input_section and remove the
4584         second and third parameters.
4585         * script-sections.cc (Input_section::Input_section_list): Change
4586         type to list of Output_section::Input_section/
4587         (Input_section_info::Input_section_info): Change parameter type of
4588         INPUT_SECTION to Output_section::Input_section.
4589         (Input_section_info::input_section): Change return type.
4590         (Input_section_info::input_section_): Change type to
4591         Output_section::Input_section.
4592         (Output_section_element_input::set_section_addresses): Adjust code
4593         to use Output_section::Input_section instead of
4594         Output_section::Simple_input_section.  Adjust code for renaming
4595         of Output_section::add_simple_input_section.
4596         (Orphan_output_section::set_section_addresses): Ditto.
4597
4598 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4599
4600         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4601         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4602
4603 2010-05-18  Rafael Espindola  <espindola@google.com>
4604
4605         * options.cc (General_options::finalize): Handle -nostdlib.
4606         * options.h (nostdlib): New option.
4607         * script.cc (script_add_search_dir): Handle -nostdlib.
4608
4609 2010-05-12  Doug Kwan  <dougkwan@google.com>
4610
4611         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4612         attributes section only if there no attributes section after merging.
4613         (Target_arm::merge_object_attributes): Move value of
4614         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4615         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4616         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4617         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4618         and arm_attr_merge_7.stdout.
4619         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4620         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4621         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4622         arm_attr_merge_7b.o): New rules.
4623         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4624         arm_attr_merge_7
4625         * testsuite/Makefile.in: Regenerate.
4626         * testsuite/arm_attr_merge.sh: New file.
4627         * testsuite/arm_attr_merge_[67][ab].s: Same.
4628
4629 2010-05-05  Nick Clifton  <nickc@redhat.com>
4630
4631         * po/es.po: Updated Spanish translation.
4632
4633 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4634
4635         * Makefile.am (install-exec-local): Properly install gold as
4636         default cross linker.
4637         * Makefile.in: Regenerated.
4638
4639 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4640             Nick Clifton  <nickc@redhat.com>
4641
4642         * configure.ac (install_as_default): Define and set to false
4643         unless --enable-gold or --enable-gold=both/gold has been
4644         specified.
4645         * configure: Regenerate.
4646
4647         * Makefile.am (install-exec-local): Install the executable as
4648         'ld.gold'.  If install_as_default is true then also install it as
4649         'ld'.
4650         * Makefile.in: Regenerated.
4651
4652 2010-04-24  Ian Lance Taylor  <iant@google.com>
4653
4654         * layout.cc (Layout::layout_reloc): In relocatable link don't
4655         combine reloc sections for grouped sections.
4656
4657 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4658
4659         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4660         sections that are not ordinary to icf.
4661         * icf.cc (get_section_contents): Handle relocation pointing to section
4662         with no object or shndx information.
4663         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4664         * testsuite/Makefile.in: Regenerate.
4665         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4666         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4667
4668 2010-04-22  Ian Lance Taylor  <iant@google.com>
4669
4670         * expression.cc (Expression::Expression_eval_info): Add
4671         result_alignment_pointer field.
4672         (Expression::eval_with_dot): Add result_alignment_pointer
4673         parameter.  Change all callers.
4674         (Expression::eval_maybe_dot): Likewise.
4675         (class Binary_expression): Add alignment_pointer parameter to
4676         left_value and right_value.  Change all callers.
4677         (BINARY_EXPRESSION): Set result alignment.
4678         (class Trinary_expression): Add alignment_pointer parameter to
4679         arg2_value and arg3_value.  Change all callers.
4680         (Trinary_cond::value): Set result alignment.
4681         (Max_expression::value, Min_expression::value): Likewise.
4682         (Align_expression::value): Likewise.
4683         * script-sections.cc (class Sections_element): Add dot_alignment
4684         parameter to set_section_addresses virtual function.  Update
4685         instantiations.
4686         (class Output_section_element): Likewise.
4687         (Script_sections::create_segments): Add dot_alignment parameter.
4688         Change all callers.
4689         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4690         (Script_sections::set_phdrs_clause_addresses): Likewise.
4691         * script-sections.h: Update declarations.
4692         * script.h: Update declarations.
4693         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4694         min_p_align.
4695         * testsuite/script_test_3.t: Set large alignment.
4696         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4697         segment has expected alignment.
4698
4699 2010-04-22  Nick Clifton  <nickc@redhat.com>
4700
4701         * po/gold.pot: Updated by the Translation project.
4702         * po/vi.po: Updated Vietnamese translation.
4703
4704 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4705
4706         * testsuite/Makefile.am (check_PROGRAMS): Add
4707         icf_virtual_function_folding_test.
4708         * testsuite/Makefile.in: Regenerated.
4709
4710 2010-04-15  Andrew Haley  <aph@redhat.com>
4711
4712         * options.h (merge_exidx_entries): New option.
4713         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4714         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4715         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4716         (Target_arm::merge_exidx_entries): New function.
4717         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4718         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4719         to Arm_exidx_fixup constructor.
4720         Add new arg, merge_exidx_entries.
4721         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4722         Arm_output_section::fix_exidx_coverage.
4723
4724 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4725
4726         * icf.cc (get_section_contents): Check for preemptible functions.
4727         Ignore addend when appropriate.
4728         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4729         section folded.
4730         (add_from_relobj): Check for section folded.
4731         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4732         * symtab.h (should_add_dynsym_entry): Add new parameter.
4733         * target-reloc.h (scan_relocs): Check for section folded.
4734         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4735         Check reloc types for function pointers in shared objects.
4736         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4737         case.
4738         (icf_preemptible_functions_test): New test case.
4739         (icf_string_merge_test): New test case.
4740         * testsuite.Makefile.in: Regenerate.
4741         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4742         bar_glob.  Refactor code.
4743         * testsuite/icf_preemptible_functions_test.cc: New file.
4744         * testsuite/icf_preemptible_functions_test.sh: New file.
4745         * testsuite/icf_string_merge_test.cc: New file.
4746         * testsuite/icf_string_merge_test.sh: New file.
4747         * testsuite/icf_virtual_function_folding_test.cc: New file.
4748         * testsuite/icf_virtual_function_folding_test.sh: New file.
4749
4750 2010-04-14  Doug Kwan  <dougkwan@google.com>
4751
4752         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4753         for local symbol recounting if we remove a section due to ICF.
4754         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4755         there are no regular objects in input.
4756
4757 2010-04-13  Doug Kwan  <dougkwan@google.com>
4758
4759         * arm.cc (Arm_input_section::set_final_data_size): Compute
4760         accurate final data size instead of using current data size.
4761
4762 2010-04-09  Doug Kwan  <dougkwan@google.com>
4763
4764         * layout.cc (Layout::choose_output_section): Handle script section
4765         types.
4766         (Layout::make_output_section_for_script): Add section type parameter.
4767         Handle script section types.
4768         * layout.h (Layout::make_output_section_for_script): Add section
4769         type parameter.
4770         * output.cc (Output_section::Output_section): Initialize data member
4771         is_noload_.
4772         (Output_section::do_reset_address_and_file_offset): Do not set address
4773         to 0 if section is a NOLOAD section.
4774         * output.h (Output_section::is_noload): New method.
4775         (Output_section::set_is_noload): Ditto.
4776         (Output_section::is_noload_): New data member.
4777         * script-c.h (Script_section_type): New enum type.
4778         (struct Parser_output_section_header): Add new file section_type.
4779         * script-sections.cc (Sections_element::output_section_name): Add
4780         parameter for returning script section type.
4781         (Output_section_definition::output_section_name): Ditto.
4782         (Output_section_definition::section_type)P; New method.
4783         (Output_section_definiton::script_section_type_name): Ditto.
4784         (Output_section_definition::script_section_type_): New data member.
4785         (Output_section_definition::Output_section_definition): Initialize
4786         data member Output_section_definition::script_section_type_.
4787         (Output_section_definition::create_sections): Pass script section type
4788         to Layout::make_output_section_for_script.
4789         (Output_section_definition::output_section_name): Return script
4790         section type to caller.
4791         (Output_section_definition::set_section_address): Do not advance
4792         dot value and load address if section type is NOLOAD.  Set address
4793         of NOLOAD sections regardless of section flags.
4794         (Output_section_definition::print): Print section type if it is
4795         not SCRIPT_SECTION_TYPE_NONE.
4796         (Output_section_definition::section_type): New method.
4797         (Output_section_definition::script_section_type_name): Ditto.
4798         (Script_sections::output_section_name): Add new parameter
4799         PSECTION_TYPE for returning script section type.  Pass it to
4800         section elements.  Handle discard sections.
4801         (Sort_output_sections::operator()): Handle NOLOAD sections.
4802         * script-sections.h (Script_sections::Section_type): New enum type.
4803         (Script_sections::output_section_name): Add a new parameter for
4804         returning script section type.
4805         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4806         INFO and NOLOAD.
4807         * yyscript.y (union): Add new field SECTION_TYPE.
4808         (COPY, DSECT, INFO, NOLOAD): New tokens.
4809         (opt_address_and_section_type): Change type to output_section_header.
4810         (section_type): New non-terminal
4811         (section_header): Handle section type.
4812         (opt_address_and_section_type): Return section type value.
4813
4814 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4815
4816         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4817         * testsuite/plugin_common_test_2.c (foo): Likewise.
4818
4819 2010-04-08  Doug Kwan  <dougkwan@google.com>
4820
4821         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4822         Output_merge_data.
4823         * output.cc (Output_section::add_merge_input_section): Simplify
4824         code and return status of Output_merge_base::add_input_section.
4825         Update merge section map only if Output_merge_base::add_input_section
4826         returns true.
4827
4828 2010-04-07  Doug Kwan  <dougkwan@google.com>
4829
4830         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4831         if section is marked as containing instructions but has no mapping
4832         symbols.
4833         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4834         correct section index.
4835         (Arm_relobj::find_linked_text_section): Ditto.
4836
4837 2010-04-07  Cary Coutant  <ccoutant@google.com>
4838
4839         * archive.cc (include_member): Destroy Read_symbols_data object before
4840         releasing file.
4841         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4842         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4843         (Read_symbols_data::~Read_symbols_data) New destructor.
4844         (Section_relocs::Section_relocs) New constructor.
4845         (Section_relocs::~Section_relocs) New destructor.
4846         (Read_relocs_data::Read_relocs_data) New constructor.
4847         (Read_relocs_data::~Read_relocs_data) New destructor.
4848         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4849         pointers to NULL after deleting.
4850
4851 2010-04-07  Doug Kwan  <dougkwan@google.com>
4852
4853         * arm.cc: Replace "endianity" with "endianness" in comments.
4854         (Arm_exidx_cantunwind): Ditto.
4855         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4856         (Arm_relobj::merge_flags_and_attributes): New method.
4857         (Arm_relobj::merge_flags_and_attributes_): New data member.
4858         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4859         (Arm_relobj::scan_sections_for_stubs): Ditto.
4860         (Arm_relobj::do_read_symbols): Check to see if we really want to
4861         merge processor-specific flags and attributes.  Exit early if
4862         an object is empty except for section names and the undefined symbol.
4863         (Target_arm::do_finalize_sections): Move check for ELF format to
4864         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4865         attributes from a regular object only when we have determined that
4866         it is aapropriate.  Do not create an .ARM.attributes section in
4867         output if there is no regular input object.
4868         (Target_arm::merge_processor_specific_flags): Check
4869         --warn-mismatch before printing any error.
4870         (Target_arm::merge_object_attributes): Ditto.
4871         * gold.cc (queue_middle_tasks): Handle the case in which there is
4872         no regular object in input.
4873         * options.cc (General_options::parse_EB): New method.
4874         (General_options::parse_EL): Same.
4875         (General_options::General_options): Initialize endianness_.
4876         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4877         New options.
4878         (General_options::Endianness): New enum.
4879         (General_options::endianness): New method.
4880         (General_options::endianness_): New data member.
4881         * parameters.cc (Parameters::set_options): Check target endianness.
4882         (Parameters::set_target_once): Ditto.
4883         (Parameters::check_target_endianness): New method.
4884         (parameters_force_valid_target): If either -EL or -EB is specified,
4885         use it to define endianness of default target.
4886         * parameters.h (Parameters::check_target_endianness): New method
4887         declaration.
4888         * target.h (class Target): Change "endianity" to "endianness"
4889         in comments.
4890
4891 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4892
4893         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4894         * configure: Regenerate.
4895         * Makefile.in: Regenerate.
4896         * testsuite/Makefile.in: Regenerate.
4897
4898 2010-04-06  Cary Coutant  <ccoutant@google.com>
4899
4900         gcc PR lto/42757
4901         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4902         prevailing definitions of common symbols.
4903         * testsuite/plugin_test_6.sh: New test case.
4904         * testsuite/plugin_common_test_1.c: New test case.
4905         * testsuite/plugin_common_test_2.c: New test case.
4906         * testsuite/Makefile.am (plugin_test_6): New test case.
4907         * testsuite/Makefile.in: Regenerate.
4908
4909 2010-04-06  Nick Clifton  <nickc@redhat.com>
4910
4911         * po/vi.po: New Vietnamese translation.
4912
4913 2010-03-30  Doug Kwan  <dougkwan@google.com>
4914
4915         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4916
4917 2010-03-25  Doug Kwan  <dougkwan@google.com>
4918
4919         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4920         to avoid a conversion warning on a 32-bit host.
4921
4922 2010-03-24  Ian Lance Taylor  <iant@google.com>
4923
4924         * testsuite/script_test_3.t: Add a TLS segment.
4925         * testsuite/Makefile.am (check_PROGRAMS): Add
4926         tls_phdrs_script_test.
4927         (tls_phdrs_script_test_SOURCES): Define.
4928         (tls_phdrs_script_test_DEPENDENCIES): Define.
4929         (tls_phdrs_script_test_LDFLAGS): Define.
4930         (tls_phdrs_script_test_LDADD): Define.
4931         * testsuite/Makefile.in: Rebuild.
4932
4933 2010-03-23  Cary Coutant  <ccoutant@google.com>
4934
4935         * fileread.cc (find_or_make_view): Fix comment.
4936
4937 2010-03-23  Ian Lance Taylor  <iant@google.com>
4938
4939         * script-sections.cc (class Orphan_section_placement): Define
4940         PLACE_TLS and PLACE_TLS_BSS.
4941         (Orphan_section_placement::Orphan_section_placement): Initialize
4942         new places.
4943         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4944         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4945         (tls_script_test_SOURCES): Define.
4946         (tls_script_test_DEPENDENCIES): Define.
4947         (tls_script_test_LDFLAGS): Define.
4948         (tls_script_test_LDADD): Define.
4949         * testsuite/Makefile.in: Rebuild.
4950
4951 2010-03-22  Doug Kwan  <dougkwan@google.com>
4952
4953         * arm.cc (Arm_relocate_functions::abs8,
4954         Arm_relocate_functions::abs16): Use correct check for overflow
4955         specified in the ARM ELF specs.
4956         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4957         target of a BLX instruction specially.
4958         (Reloc_stub::stub_type_for_reloc): Ditto.
4959         (Relocate::relocate): Use symbolic names instead of numeric relocation
4960         codes to report error.
4961         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4962         workaround.
4963         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4964         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4965         thumb2_blx_out_of_range.stdout
4966         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4967         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4968         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4969         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4970         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4971         thumb2_blx_in_range, thumb2_blx_in_range.o,
4972         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4973         thumb2_blx_out_of_range.o): New rules.
4974         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4975         thumb2_blx_in_range and thumb2_blx_out_of_range.
4976         * testsuite/Makefile.in: Regenerate.
4977         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4978         * testsuite/thumb_blx_in_range.s: New file.
4979         * testsuite/thumb_blx_out_of_range.s: New file.
4980
4981 2010-03-22  Rafael Espindola  <espindola@google.com>
4982
4983         * archive.cc (Should_include): Move to archive.h.
4984         (should_include_member): Make it a member of Archive.
4985         (Lib_group): New.
4986         (Add_lib_group_symbols): New.
4987         * archive.h: Include options.h.
4988         (Archive_member): Moved from Archive.
4989         (Should_include): Moved from archive.cc.
4990         (Lib_group): New.
4991         (Add_lib_group_symbols): New.
4992         * dynobj.cc (do_should_include_member): New.
4993         * dynobj.h (do_should_include_member): New.
4994         * gold.cc (queue_initial_tasks): Update call to queue.
4995         * main.cc (main): Print lib group stats.
4996         * object.cc (do_should_include_member): New.
4997         * object.h: Include archive.h.
4998         (Object::should_include_member): New.
4999         (Object::do_should_include_member): New.
5000         (Sized_relobj::do_should_include_member): New.
5001         * options.cc (General_options::parse_start_lib): New.
5002         (General_options::parse_end_lib): New.
5003         (Input_arguments::add_file): Handle lib groups.
5004         (Input_arguments::start_group): Check we are not in a lib.
5005         (Input_arguments::start_lib): New.
5006         (Input_arguments::end_lib): New.
5007         * options.h (General_options): Add start_lib and end_lib.
5008         (Input_argument::lib_): New.
5009         (Input_argument::lib): New.
5010         (Input_argument::is_lib): New.
5011         (Input_file_lib): New.
5012         (Input_arguments::in_lib_): New.
5013         (Input_arguments::in_lib): New.
5014         (Input_arguments::start_lib): New.
5015         (Input_arguments::end_lib_): New.
5016         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5017         in unused members as preempted.
5018         (Sized_pluginobj::do_should_include_member): New.
5019         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5020         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5021         return the blocker.
5022         (Read_symbols::do_whole_lib_group): New.
5023         (Read_symbols::do_lib_group): New.
5024         (Read_symbols::do_read_symbols): Handle lib groups.
5025         (Read_symbols::get_name): Handle lib groups.
5026         * readsyms.h (Read_symbols): Add an archive member pointer.
5027         (Read_symbols::do_whole_lib_group): New.
5028         (Read_symbols::do_lib_group): New.
5029         (Read_symbols::member_): New.
5030         * script.cc (read_input_script): Update call to queue_soon.
5031
5032 2010-03-19  Doug Kwan  <dougkwan@google.com>
5033
5034         * arm.cc (Stub_table::Stub_table): Initialize new data members
5035         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5036         (Stub_table::add_reloc_stub): Assign stub offset and update
5037         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5038         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5039         New data members.
5040         (Stub_table::update_data_size_and_addralign): Use
5041         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5042         instead of going over all reloc stubs.
5043         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5044         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5045         Stringpool_template::offset_ to size of Stringpool_char.
5046         (Stringpool_template::new_key_offset): Remove code to initialize
5047         Stringpool_template::offset_.
5048         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5049         Stringpool_template::offset_ to zero.
5050
5051 2010-03-15  Doug Kwan  <dougkwan@google.com>
5052
5053         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5054         offset_.
5055         (Stringpool_template::new_key_offset): New method.
5056         (Stringpool_template::add_string): Assign offsets when adding new
5057         strings.
5058         (Stringpool_template::set_string_offsets): Do not set string offsets
5059         when not optimizing.
5060         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5061         member size_.
5062         (Chunked_vector::clear): Clear size_.
5063         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5064         (Chunked_vector::size): Return size_.
5065         (Chunked_vector::push_back): Use size_ to find insert position.
5066         (Chunked_vector::size_): New data member.
5067         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5068         (Stringpool_template::new_key_offset): New method declaration.
5069         (Stringpool_template::offset_): New data member.
5070
5071 2010-03-15   Rafael Espindola  <espindola@google.com>
5072
5073         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5074         Add_symbols' constructor.
5075         * readsyms.h (Add_symbols): Remove the input_group member.
5076
5077 2010-03-10  Ian Lance Taylor  <iant@google.com>
5078
5079         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5080         target to ask whether a reference to a symbol requires a stack
5081         split.
5082         * target.h (Target::is_call_to_non_split): New function.
5083         (Target::do_is_call_to_non_split): Declare virtual function.
5084         * target.cc: Include "symtab.h".
5085         (Target::do_is_call_to_non_split): New function.
5086         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5087
5088 2010-03-10  Cary Coutant  <ccoutant@google.com>
5089
5090         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5091         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5092         (File_read::open[2]): Add whole_file_view_ to list of views.
5093         (File_read::make_view): Remove test of whole_file_view_.
5094         (File_read::find_or_make_view): Create whole_file_view_ if
5095         necessary.
5096         (File_read::clear_views): Replace bool parameter with enum;
5097         adjust all callers.  Don't delete views with permanent data;
5098         do delete cached views and views from archives if
5099         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5100         if clearing the corresponding view.
5101         * fileread.h (File_read::Clear_views_mode): New enum.
5102         (File_read::View::is_permanent_view): New method.
5103         (File_read::clear_views): Replace bool parameter
5104         with enum; adjust all callers.
5105         * options.h (General_options): Change keep_files_mapped option;
5106         add map_whole_files.
5107         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5108         releasing the file.
5109         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5110         the file.
5111
5112 2010-03-10  David S. Miller  <davem@davemloft.net>
5113
5114         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5115
5116 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5117
5118         * icf.cc (get_section_contents): Add '@' marker after processing the
5119         merge reloc.
5120
5121 2010-03-08  Doug Kwan  <dougkwan@google.com>
5122
5123         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5124         due to a conversion warning.
5125         (Arm_relobj::update_output_local_symbol_count): Check for local
5126         symbol with unset output index.
5127
5128 2010-03-05  Ian Lance Taylor  <iant@google.com>
5129
5130         * options.h (class General_options): Add --spare-dynamic-tags.
5131         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5132         --spare-dynamic-tags.
5133
5134 2010-03-05  Ian Lance Taylor  <iant@google.com>
5135
5136         * incremental.cc: Include "libiberty.h".
5137
5138 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5139
5140         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5141         function, is_info_ member.
5142         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5143         (Versions::Versions): Update caller.
5144         (Versions::define_base_version): Likewise.
5145         (Versions::add_def): Likewise.
5146
5147 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5148
5149         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5150         (Scan::possible_function_pointer_reloc): New function.
5151         (Scan::local_reloc_may_be_function_pointer): Change to call
5152         possible_function_pointer_reloc.
5153         (Scan::global_reloc_may_be_function_pointer): Ditto.
5154         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5155         relocations in ".data.rel.ro._ZTV" section.
5156         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5157         * testsuite/icf_safe_so_test.cc: Ditto.
5158         * testsuite/icf_safe_test.cc: Ditto.
5159         * testsuite/icf_safe_test.sh: Ditto.
5160
5161 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5162             Ian Lance Taylor  <iant@google.com>
5163
5164         * target-reloc.h (relocate_section): Check the symbol table index
5165         for -1U before setting the local symbol index.
5166         (scan_relocatable_relocs): If copying the relocation, record that
5167         the local symbol is required.
5168         * object.h (Symbol_value::is_output_symtab_index_set): New
5169         function.
5170         (Symbol_value::may_be_discarded_from_output_symtab): New
5171         function.
5172         (Symbol_value::has_output_symtab_entry): New function.
5173         (Symbol_value::needs_output_symtab_entry): Remove.
5174         (Symbol_value::output_symtab_index): Make sure the symbol index is
5175         set.
5176         (Symbol_value::set_output_symtab_index): Make sure the symbol
5177         index is not set.  Make sure the new index is valid.
5178         (Symbol_value::set_must_have_output_symtab_entry): New function.
5179         (Symbol_value::has_output_dynsym_entry): New function.
5180         (Symbol_value::set_output_dynsym_index): Make sure the new index
5181         is valid.
5182         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5183         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5184         local symbol if permitted.
5185         (Sized_relobj::do_finalize_local_symbols): Call
5186         is_output_symtab_index_set rather than needs_output_symtab_entry.
5187         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5188         rather than needs_output_symtab_entry.  Call
5189         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5190         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5191         is_output_symtab_index_set rather than needs_output_symtab_entry.
5192         * testsuite/discard_locals_relocatable_test.c: New file.
5193         * testsuite/discard_locals_test.sh: Test -r.
5194         * testsuite/Makefile.am (check_DATA): Add
5195         discard_locals_relocatable_test1.syms,
5196         discard_local_relocatable_test2.syms.
5197         (MOSTLYCLEANFILES): Likewise.  Also add
5198         discard_locals_relocatable_test1.lout and
5199         discard_locals_relocatable_test2.out.
5200         (discard_locals_relocatable_test1.syms): New target.
5201         (discard_locals_relocatable_test.o): New target.
5202         (discard_locals_relocatable_test1.out): New target.
5203         (discard_locals_relocatable_test2.syms): New target.
5204         (discard_locals_relocatable_test2.out): New target.
5205         (various): Add missing ../ld-new dependencies.
5206         * testsuite/Makefile.in: Rebuild.
5207
5208 2010-03-03  Nick Clifton  <nickc@redhat.com>
5209
5210         * po/fi.po: New Finnish translation.
5211
5212 2010-03-01  Doug Kwan  <dougkwan@google.com>
5213
5214         * layout.cc (Layout::Layout): Force section types of .init_array*,
5215         .preinit_array* and .fini_array* sections.
5216         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5217         Fix check of return value of std::string::find.().
5218         (Output_section::Input_section_sort_compare::operator()): Remove
5219         comment about .init_array.
5220         (Output_section::Input_section_sort_init_fini_compare::operator()):
5221         New method.
5222         (Output_section::sort_attached_input_sections): Handle .init_array
5223         and .fini_array specially.
5224         * output.h (Output_section::Inut_section_sort_compare): Update
5225         comment.
5226         (Output_section::Input_section_sort_init_fini_compare): New struct.
5227
5228 2010-02-26  Doug Kwan  <dougkwan@google.com>
5229
5230         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5231         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5232         * testsuite/debug_msg.sh: Avoid matching source line number for
5233         use of global variable undef_int.
5234
5235 2010-02-26  Doug Kwan  <dougkwan@google.com>
5236
5237         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5238         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5239         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5240         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5241         * options.cc (General_options::General_options): Initialize member
5242         fix_v4bx_.
5243         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5244         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5245         and rm_no_fix_v4bx.stdout
5246         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5247         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5248         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5249         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5250         and arm_no_fix_v4bx.
5251         * Makefile.in: Regenerate.
5252         * testsuite/arm_fix_v4bx.s: New file.
5253         * testsuite/arm_fix_v4bx.sh: Ditto.
5254
5255 2010-02-24  Doug Kwan  <dougkwan@google.com>
5256
5257         * arm.cc (Target_arm::got_section): Make the .got section the first
5258         non RELRO section in the data segment.
5259         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5260         suffixes of section names.
5261
5262 2010-02-24  Doug Kwan  <dougkwan@google.com>
5263
5264         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5265         flags and attributes merging if an input file is a binary file.
5266         * fileread.cc (Input_file::open): Record format of original file.
5267         * fileread.h (Input_file::Format): New enum type.
5268         (Input_file::Input_file): Initialize data member format_.
5269         (Input_file::format): New method definition.
5270         (Input_file::format_):: New data member.
5271
5272 2010-02-24  Doug Kwan  <dougkwan@google.com>
5273
5274         * arm.cc (Arm_output_data_got): New class.
5275         (ARM_TCB_SIZE): New constant
5276         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5277         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5278         If user uses a script with a SECTIONS clause, issue only a warning
5279         for a misplaced EXIDX input section.  Otherwise, issue an error.
5280         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5281         garbage collection.
5282         (Target_arm::got_mode_index_entry): Handle static linking.
5283         (Target_arm::Scan::local): Ditto.
5284         (Target_arm::Scan::global): Ditto.
5285         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5286         all incorrectly implemented relocations.
5287         (Target_arm::fix_exidx_coverage): Pass layout to
5288         Arm_output_section::fix_exidx_coverage.
5289         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5290         from ".ARM.exidx." and ".ARM.extab.".
5291
5292 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5293
5294         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5295         section if it does not already exist.
5296         * attributes.cc (Attributes_section_data::Attributes_section_data):
5297         Don't crash if size is zero.
5298
5299 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5300             Ian Lance Taylor  <iant@google.com>
5301
5302         * gold.cc (queue_middle_tasks): If no input files were opened,
5303         exit.
5304         * workqueue.h (Task_function::Task_function): Assert that there is
5305         a blocker.
5306
5307 2010-02-22  Doug Kwan  <dougkwan@google.com>
5308
5309         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5310         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5311         types to avoid warnings due to different uint64_t implementations
5312         on different hosts.
5313
5314 2010-02-21  Doug Kwan  <dougkwan@google.com>
5315
5316         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5317         handling of the maximum backward branch offset.
5318         (Arm_relocate_functions::thumb_branch_common): Ditto.
5319         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5320         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5321         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5322         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5323         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5324         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5325         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5326         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5327         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5328         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5329         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5330         thumb2_bl_out_of_range.o): New rules.
5331         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5332         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5333         thumb2_bl_out_of_range
5334         * testsuite/Makefile.in: Regenerate.
5335         * testsuite/arm_bl_in_range.s: New file.
5336         * testsuite/arm_bl_out_of_range.s: Ditto.
5337         * testsuite/arm_branch_in_range.sh: Ditto.
5338         * testsuite/arm_branch_range.t: Ditto.
5339         * testsuite/thumb2_branch_range.t: Ditto.
5340         * testsuite/thumb_bl_in_range.s: Ditto.
5341         * testsuite/thumb_bl_out_of_range.s: Ditto.
5342         * testsuite/thumb_branch_range.t: Ditto.
5343
5344 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5345
5346         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5347         Add reloc offset information.
5348         * icf.cc (get_section_contents): Change iterators to point to the new
5349         vectors. Add reloc offset information to the contents.
5350         * icf.h (Icf::Sections_reachable_info): New typedef.
5351         (Icf::Sections_reachable_list): New typedef.
5352         (Icf::Offset_info): New typedef.
5353         (Icf::Reloc_info): New struct typedef.
5354         (Icf::Reloc_info_list): New typedef.
5355         (Icf::symbol_reloc_list): Delete method.
5356         (Icf::addend_reloc_list): Delete method.
5357         (Icf::section_reloc_list): Delete method.
5358         (Icf::reloc_info_list): New method.
5359         (Icf::reloc_info_list_): New member.
5360
5361 2010-02-19  Doug Kwan  <dougkwan@google.com>
5362
5363         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5364         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5365         * arm.cc (Arm_relocation_functions): New forward declaration.
5366         (Target_arm::Target_arm): Initialize new data members
5367         got_mod_index_offset_ and tls_base_symbol_defined_.
5368         (Target_arm::Relocate::relocate_tls): New method.
5369         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5370          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5371         New methods.
5372         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5373         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5374         (Target_arm::got_mod_index_offset_,
5375         Target_arm::tls_base_symbol_defined_): New data members.
5376         (Target_arm::Scan::local, Target::Scan::global,
5377         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5378         relocations.
5379
5380 2010-02-18  Doug Kwan  <dougkwan@google.com>
5381
5382         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5383         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5384         text section as a parameter becuase some broken tools may not set
5385         the link in section header.
5386         (Target_arm::has_got_section): New method.
5387         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5388         without any mapping symbol as data only.  Remove warning.
5389         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5390         link in its section header, try to discover the link by inspecting the
5391         REL31 relocation at the beginning of the section.
5392         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5393         in error message.
5394         (Target_arm::Scan::global): Treat any reference to the symbol
5395         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5396
5397 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5398
5399         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5400         (Scan::global_reloc_may_be_function_pointer): New function.
5401         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5402         (Scan::global_reloc_may_be_function_pointer): New function.
5403         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5404         (Scan::global_reloc_may_be_function_pointer): New function.
5405         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5406         (Scan::global_reloc_may_be_function_pointer): New function.
5407         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5408         (Scan::global_reloc_may_be_function_pointer): New function.
5409         (Scan::possible_function_pointer_reloc): New function.
5410         (Target_x86_64::can_check_for_function_pointers): New function.
5411         * gc.h (gc_process_relocs): Scan relocation types to determine if
5412         function pointers were taken for targets that support it.
5413         * icf.cc (Icf::find_identical_sections): Include functions for
5414         folding in safe ICF whose pointer is not taken.
5415         * icf.h (Secn_fptr_taken_set): New typedef.
5416         (fptr_section_id_): New member.
5417         (section_has_function_pointers): New function.
5418         (set_section_has_function_pointers): New function.
5419         (check_section_for_function_pointers): New function.
5420         * options.h: Fix comment for safe ICF option.
5421         * target.h (can_check_for_function_pointers): New function.
5422         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5423         Modify icf_safe_test for X86-64.
5424         * testsuite/Makefile.in: Regenerate.
5425         * testsuite/icf_safe_so_test.cc: New file.
5426         * testsuite/icf_safe_so_test.sh: New file.
5427         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5428         (main): Change to take pointer to function kept_func_3.
5429         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5430         folding is done correctly for X86-64.
5431
5432 2010-02-12  David S. Miller  <davem@davemloft.net>
5433
5434         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5435         is_symbolless parameter.
5436         (Output_reloc<SHT_REL>::is_symbolless): New.
5437         (Output_reloc<SHT_REL>::is_symbolless_): New.
5438         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5439         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5440         (Output_reloc<SHT_RELA>::is_symbolless): New.
5441         (Output_data_reloc::add_global): Handle is_symbolless.
5442         (Output_data_reloc::add_global_relative): Likewise.
5443         (Output_data_reloc::add_local): Likewise.
5444         (Output_data_reloc::add_local_relative): Likewise.
5445         (Output_data_reloc::add_symbolless_global_addend): New.
5446         (Output_data_reloc::add_symbolless_local_addend): New.
5447         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5448         is_symbolless.
5449         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5450         instead of ->is_relative_
5451         (Output_reloc::write): Likewise.
5452         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5453         (Output_reloc::write_rel): Simplify.
5454
5455         * sparc.cc (Target_sparc::Scan::local): Use
5456         ->add_symbolless_local_addend as needed.
5457         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5458         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5459         based upon relocation offset.
5460
5461 2010-02-11  Doug Kwan  <dougkwan@google.com>
5462
5463         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5464         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5465         beginning of function.
5466         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5467         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5468         parameter is_32bit in calls to should_apply_static_reloc.
5469         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5470         (check_DATA): Add arm_abs_global.stdout.
5471         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5472         arm_abs_global.stdout): New rules.
5473         (MOSTLLYCLEANFILES): Add arm_abs_global
5474         * Makefile.in: Regenerate.
5475         * testsuite/arm_abs_global.s: New file.
5476         * testsuite/arm_abs_global.sh: Ditto.
5477         * testsuite/arm_abs_lib.s: Ditto.
5478
5479 2010-02-11  Ian Lance Taylor  <iant@google.com>
5480
5481         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5482         Read_relocs task.
5483         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5484         Allocate_commons_task first.
5485         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5486         task, rather than symtab_lock_.
5487         (Gc_process_relocs::~Gc_process_relocs): New function.
5488         (Gc_process_relocs::is_runnable): Check this_blocker_.
5489         (Gc_process_relocs::locks): Use next_blocker_ rather than
5490         blocker_.
5491         (Scan_relocs::~Scan_relocs): New function.
5492         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5493         symtab_lock_.
5494         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5495         next_blocker_.
5496         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5497         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5498         constructor accordingly.
5499         (class Gc_process_relocs): Likewise.
5500         (class Scan_relocs): Likewise.
5501         * common.h (class Allocate_commons_task): Remove symtab_lock_
5502         field, and corresponding constructor parameter.
5503         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5504         symtab_lock_.
5505         (Allocate_commons_task::locks): Likewise.
5506
5507 2010-02-11  Ian Lance Taylor  <iant@google.com>
5508
5509         * gold-threads.h (class Once): Define.
5510         (class Initialize_lock): Rewrite as child of Once.
5511         * gold-threads.cc (class Once_initialize): Define.
5512         (once_pointer_control): New static variable.
5513         (once_pointer, once_arg): New static variables.
5514         (c_run_once): New static function.
5515         (Once::Once, Once::run_once, Once::internal_run): New functions.
5516         (class Initialize_lock_once): Remove.
5517         (initialize_lock_control): Remove.
5518         (initialize_lock_pointer): Remove.
5519         (initialize_lock_once): Remove.
5520         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5521         (Initialize_lock::initialize): Rewrite.
5522         (Initialize_lock::do_run_once): New function.
5523         * archive.cc (Archive::interpret_header): Only clear name if it is
5524         not already empty.
5525         * fileread.cc: Include "gold-threads.h"
5526         (file_counts_lock): New static variable.
5527         (file_counts_initialize_lock): Likewise.
5528         (File_read::release): Only increment counts when using --stats.
5529         Use a lock around the increment.
5530         * parameters.cc (class Set_parameters_target_once): Define.
5531         (set_parameters_target_once): New static variable.
5532         (Parameters::Parameters): Move here from parameters.h.
5533         (Parameters::set_target): Rewrite.
5534         (Parameters::set_target_once): New function.
5535         (Parameters::clear_target): Move here and rewrite.
5536         * parameters.h (class Parameters): Update declarations.  Add
5537         set_parameters_target_once_ field.
5538         (Parameters::Parameters): Move to parameters.cc.
5539         (Parameters::clear_target): Likewise.
5540         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5541         task.
5542         (Start_group::~Start_group): New function.
5543         (Start_group::is_runnable): New function.
5544         (Start_group::locks, Start_group::run): New functions.
5545         (Finish_group::run): Change saw_undefined to size_t.
5546         * readsyms.h (class Start_group): Define.
5547         (class Finish_group): Change saw_undefined_ field to size_t.
5548         (Finish_group::Finish_group): Remove saw_undefined and
5549         this_blocker parameters.  Change all callers.
5550         (Finish_group::set_saw_undefined): New function.
5551         (Finish_group::set_blocker): New function.
5552         * symtab.h (class Symbol_table): Change saw_undefined to return
5553         size_t.  Change saw_undefined_ field to size_t.
5554         * target-select.cc (Set_target_once::do_run_once): New function.
5555         (Target_selector::Target_selector): Initialize set_target_once_
5556         field.  Don't initialize lock_ and initialize_lock_ fields.
5557         (Target_selector::instantiate_target): Rewrite.
5558         (Target_selector::set_target): New function.
5559         * target-select.h (class Set_target_once): Define.
5560         (class Target_selector): Update declarations.  Make
5561         Set_target_once a friend.  Remove lock_ and initialize_lock_
5562         fields.  Add set_target_once_ field.
5563
5564 2010-02-10  Ian Lance Taylor  <iant@google.com>
5565
5566         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5567         queueing any tasks.
5568         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5569         (queue_middle_tasks): Add all blockers before queueing any tasks.
5570         (queue_final_tasks): Likewise.
5571         * token.h (Task_token::add_blockers): New function.
5572         * object.h (Input_objects::number_of_relobjs): New function.
5573
5574 2010-02-10  Ian Lance Taylor  <iant@google.com>
5575
5576         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5577         shared, not if not position independent.
5578         * x86_64.cc (Relocate::relocate_tls): Likewise.
5579         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5580         (tls_pie_pic_test): New target.
5581         * testsuite/Makefile.in: Rebuild.
5582
5583         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5584         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5585         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5586         * testsuite/Makefile.in: Rebuild.
5587
5588 2010-02-09  David S. Miller  <davem@davemloft.net>
5589
5590         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5591         R_SPARC_RELATIVE using ->add_local_relative().
5592         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5593
5594         * output.h (Output_data_dynamic::add_section_size): New method
5595         that takes two Output_data objects.
5596         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5597         entry param.  Handle it in initializers.
5598         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5599         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5600         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5601         arg.
5602         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5603         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5604         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5605         for dynrel_includes_plt.
5606         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5607         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5608         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5609         before .rela.plt
5610         (Target_sparc::do_finalize_sections): Update to pass true for
5611         dynrel_includes_plt.
5612         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5613         output before .rela.plt
5614         (Target_powerpc::do_finalize_sections): Update to pass true for
5615         dynrel_includes_plt when 32-bit.
5616
5617 2010-02-08  Doug Kwan  <dougkwan@google.com>
5618
5619         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5620         method.
5621         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5622         Arm_relobj::scan_section_for_cortex_a8_stubs,
5623         Arm_relobj::do_relocation_section): Instead of calling
5624         Output_section::output_address, use faster
5625         Arm_relobj::simple_input_section_output_address.
5626
5627 2010-02-08  David S. Miller  <davem@davemloft.net>
5628
5629         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5630         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5631         relocation helper function.
5632
5633         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5634         just like R_SPARC_GOT{10,13,22}.
5635         (Target_sparc::Scan::local): Likewise.
5636         (Target_sparc::Relocate:relocate): Likewise.
5637
5638 2010-02-06  Ian Lance Taylor  <iant@google.com>
5639
5640         * configure.ac: Rewrite targetobjs duplicate removal code to use
5641         only shell constructs.
5642         * configure: Rebuild.
5643
5644 2010-02-05  Doug Kwan  <dougkwan@google.com>
5645
5646         PR 11247
5647         * arm.cc (Arm_relobj::section_is_scannable): New method.
5648         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5649         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5650
5651 2010-02-04  Doug Kwan  <dougkwan@google.com>
5652
5653         PR 11247
5654         * arm-reloc-property.cc (cstdio): Include.
5655         * configure.ac (targetobjs): Remove duplicates.
5656         * configure: Regenerate.
5657         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5658         big and little endian version for a given address size.
5659
5660 2010-02-03  Doug Kwan  <dougkwan@google.com>
5661
5662         * arm-reloc-property.cc
5663         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5664         definition.
5665         * arm-reloc-property.h
5666         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5667         New method definition.
5668         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5669         declaration.
5670         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5671         overflow to N.
5672         (GOT_PREL): Change implemented to Y.
5673         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5674         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5675         (Arm_relocate_functions::movw_abs_nc): Remove method.
5676         (Arm_relocate_functions::movt_abs): Ditto.
5677         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5678         (Arm_relocate_functions::thm_movt_abs): Ditto.
5679         (Arm_relocate_functions::movw_rel_nc): Ditto.
5680         (Arm_relocate_functions::movw_rel): Ditto.
5681         (Arm_relocate_functions::movt_rel): Ditto.
5682         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5683         (Arm_relocate_functions:thm_movw_rel): Ditto.
5684         (Arm_relocate_functions:thm_movt_rel): Ditto.
5685         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5686         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5687         New method definitions.
5688         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5689         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5690         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5691         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5692         (Target_arm::Relocate::relocate): Check for non-static or
5693         unimplemented relocation code and exit early.  Change calls to
5694         Target_arm::reloc_uses_thumb_bit and
5695         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5696         instead.  Refactor code to handle similar relocations to increase
5697         code sharing.  Remove check for unsupported relocation code in switch
5698         statement.
5699         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5700         relocation property table to find out size.  Change error message to
5701         print out the name of a relocation code instead of the numeric value.
5702         (Target_arm::scan_reloc_for_stub): Use relocation property table
5703         instead of calling Target_arm::reloc_uses_thumb_bit().
5704
5705 2010-02-02  Doug Kwan  <dougkwan@google.com>
5706
5707         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5708         types of relaxed input section.
5709
5710 2010-02-02  Doug Kwan  <dougkwan@google.com>
5711
5712         * Makefile.am (HFILES): Add arm-reloc-property.h.
5713         (DEFFILES): New.
5714         (TARGETSOURCES): Add arm-reloc-property.cc
5715         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5716         (libgold_a_SOURCES): $(DEFFILES)
5717         * Makefile.in: Regenerate.
5718         * arm-reloc-property.cc: New file.
5719         * arm-reloc-property.h: New file.
5720         * arm-reloc.def: New file.
5721         * arm.cc: Update comments.
5722         (arm-reloc-property.h): New included header.
5723         (arm_reloc_property_table): New global variable.
5724         (Target_arm::do_select_as_default_target): New method definition.
5725         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5726         arm-reloc-property to targ_extra_obj.
5727         * parameters.cc (set_parameters_target): Call
5728         Target::select_as_default_target().
5729         * target.h (Target::select_as_default_target): New method definition.
5730         (Target::do_select_as_default_target): Same.
5731
5732 2010-02-01  Doug Kwan  <dougkwan@google.com>
5733
5734         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5735         first_output_text_section_.
5736         (Arm_exidx_fixup::first_output_text_section): New method definition.
5737         (Arm_exidx_fixup::first_output_text_section_): New data member.
5738         (Arm_exidx_fixup::process_exidx_section): Record the first text
5739         output section seen.
5740         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5741         and entsize in output section header.
5742
5743 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5744
5745         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5746         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5747         (Arm_relocate_functions::thm_alu11): New Method.
5748         (Arm_relocate_functions::thm_pc8): New Method.
5749         (Arm_relocate_functions::thm_pc12): New Method.
5750         (Target_arm::Scan::local): Handle the relocations.
5751         (Target_arm::Scan::global): Likewise.
5752         (Target_arm::Relocate::relocate): Likewise.
5753         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5754
5755 2010-01-29  Doug Kwan  <dougkwan@google.com>
5756
5757         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5758         of relocation types as ld.
5759
5760 2010-01-29  Doug Kwan  <dougkwan@google.com>
5761
5762         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5763         to public.
5764         (Arm_relocate_functions::thumb_branch_common): Ditto.
5765         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5766         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5767         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5768         Arm_relocate_functions::jump24): Remove.
5769         (Target_arm::Relocate::relocate): Adjust code to call
5770         Arm_relocation_functions::arm_branch_common and
5771         Arm_relocation_functions::thumb_branch_common instead of their removed
5772         wrappers.  Merge switch-cases together to reduce source code size.
5773
5774 2010-01-29  Doug Kwan  <dougkwan@google.com>
5775
5776         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5777         output_local_symbol_count_needs_update_.
5778         (Arm_relobj::output_local_symbol_count_needs_update,
5779          Arm_relobj::set_output_local_symbol_count_needs_update,
5780          Arm_relobj::update_output_local_symbol_count): New methods.
5781         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5782         member.
5783         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5784         of pointed function as in a R_ARM_PREL31 relocation.
5785         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5786         for output local symbol count updating.
5787         (Target_arm::do_relax): Update output local symbol counts in objects
5788         if necessary.
5789         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5790
5791 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5792
5793         * arm.cc: Added support for the ARM relocations:
5794         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5795         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5796         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5797         movw_prel_nc).
5798         (Arm_relocate_functions::movw_rel): New method.
5799         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5800         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5801         thm_movw_prel_nc).
5802         (Arm_relocate_functions::thm_movw_rel): New method.
5803         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5804         thm_movt_prel).
5805         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5806         relocations.
5807         (Target_arm::Scan::global): Likewise.
5808         (Target_arm::Relocate::relocate): Likewise.
5809         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5810         Likewise.
5811
5812 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5813
5814         * arm.cc: Added support for ARM group relocations.
5815         (Target_arm::reloc_needs_sym_origin): New method.
5816         (Arm_relocate_functions::calc_grp_kn): New method.
5817         (Arm_relocate_functions::calc_grp_residual): New method.
5818         (Arm_relocate_functions::calc_grp_gn): New method.
5819         (Arm_relocate_functions::arm_grp_alu): New Method.
5820         (Arm_relocate_functions::arm_grp_ldr): New Method.
5821         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5822         (Arm_relocate_functions::arm_grp_ldc): New Method.
5823         (Target_arm::Scan::local): Handle the ARM group relocations.
5824         (Target_arm::Scan::global): Likewise.
5825         (Target_arm::Relocate::relocate): Likewise.
5826         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5827         Likewise.
5828
5829 2010-01-26  Doug Kwan  <dougkwan@google.com>
5830
5831         * arm.cc (set): Include.
5832         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5833         pointer type.
5834         (Arm_output_section::Text_section_list): New type.
5835         (Arm_output_section::append_text_sections_to_list): New method.
5836         (Arm_output_section::fix_exidx_coverage): Ditto.
5837         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5838         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5839         Relobj::set_section_offset() instead of
5840         Sized_relobj::invalidate_section_offset().
5841         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5842         parameter for section headers. Ignore relocation sections for
5843         unallocated sections and EXIDX sections.
5844         (Target_arm::fix_exidx_coverage): New method.
5845         (Target_arm::output_section_address_less_than): New type.
5846         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5847         linked text section instead of the EXIDX section.
5848         (Arm_output_section::create_stub_group): Add an assertion to check
5849         that this is not an EXIDX output section.
5850         (Arm_output_section::append_text_sections_to_list): New method.
5851         (Arm_output_section::fix_exidx_coverage): Ditto.
5852         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5853         Arm_relobj::section_needs_reloc_stub_scanning.
5854         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5855         first pass.
5856         (Target_arm::fix_exidx_coverage): New method.
5857         * object.h (Relobj::set_output_section): New method.
5858         (Sized_relobj::invalidate_section_offset): Remove method.
5859         (Sized_relobj::do_invalidate_section_offset): Remove method.
5860         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5861
5862 2010-01-25  Doug Kwan  <dougkwan@google.com>
5863
5864         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5865         Fix warning due to signed and unsigned comparison on a 32-bit host.
5866
5867 2010-01-22  Doug Kwan  <dougkwan@google.com>
5868
5869         * arm.cc (Target_arm::do_relax): Record an output section for section
5870         offset adjustment it contains any stub table that has changed.
5871         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5872         offsets in an output section if necessary.
5873         * output.cc (Output_section::Output_section): Initialize
5874         section_offsets_need_adjustments_.
5875         (Output_section::add_input_section_for_script): Renamed to
5876         Output_section::add_simple_input_section.
5877         (Output_section::save_states): Add a comment.
5878         (Output_section::discard_states): New method defintion.
5879         (Output_section::adjust_section_offsets): Same.
5880         * output.h (Output_section::add_input_section_for_script): Renamed to
5881         Output_section::add_simple_input_section.
5882         (Output_section::discard_states): New method declaration.
5883         (Output_section::adjust_section_offsets): Same.
5884         (Output_section::section_offsets_need_adjustment,
5885         Output_section::set_section_offsets_need_adjustment): New method
5886         definitions.
5887         (Output_section::section_offsets_need_adjustment_): New data member.
5888         * script-sections.cc
5889         (Output_section_element_input::set_section_address): Adjust code for
5890         renaming of Output_section::add_input_section_for_script.
5891         (Orphan_output_section::set_section_address): Same.
5892
5893 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5894
5895         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5896         Fix_v4bx enum values .
5897         * gold/options.h (General_options): New option definitions.
5898         (General_options::fix_v4bx): New method.
5899         (General_options::Fix_v4bx): New enum.
5900         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5901         (General_options::parse_fix_v4bx_interworking): New method.
5902
5903 2010-01-22  Doug Kwan  <dougkwan@google.com>
5904
5905         * arm.cc (Arm_exidx_fixup): New class.
5906
5907 2010-01-21  Doug Kwan  <dougkwan@google.com>
5908
5909         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5910         classes.
5911         (Arm_exidx_section_offset_map): New type.
5912
5913 2010-01-21  Doug Kwan  <dougkwan@google.com>
5914
5915         * arm.cc (Arm_exidx_input_section): New class.
5916         (Arm_relobj::exidx_input_section_by_link,
5917         Arm_relobj::exidx_input_section_by_shndx,
5918         Arm_relobj::make_exidx_input_section): New methods.
5919         (read_arm_attributes_section): Remove.
5920         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5921         information about them.
5922         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5923         to here.
5924
5925 2010-01-20  Doug Kwan  <dougkwan@google.com>
5926
5927         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5928         Input_section_specifier to Section_id.
5929         (Target_arm::new_arm_input_section: Adjust code for change of key
5930         type.
5931         (Target_arm::find_arm_input_section): Ditto.
5932         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5933         (Section_id): Remove.
5934         (Garbage_collection::Section_id_hash): Remove.
5935         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5936         (Section_id): Remove.
5937         (Icf::Section_id_hash): Remove.
5938         * object.h (Section_id, Const_section_id, Section_id_hash,
5939         Const_section_id_hash): New type definitions.
5940         * output.cc (Output_section::add_relaxed_input_section): Change to
5941         use Const_section_id instead of Input_section_specifier as key type.
5942         (Output_section::add_merge_input_section): Ditto.
5943         (Output_section::build_relaxation_map): Change to use Section_id
5944         instead of Input_section_specifier as key type.
5945         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5946         Ditto.
5947         (Output_section::convert_input_sections_to_relaxed_sections): Change
5948         to use Const_section_id instead of Input_section_specifier as key type.
5949         (Output_section::find_merge_section): Ditto.
5950         (Output_section::find_relaxed_input_section): Ditto.
5951         * output.h (Input_section_specifier): Remove class.
5952         (Output_section::Output_section_data_by_input_section_map): Change
5953         key type to Const_section_id.
5954         (Output_section::Output_relaxed_input_section_by_input_section_map):
5955         Ditto.
5956         (Output_section::Relaxation_map): Change key type to Section_id.
5957
5958 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5959
5960         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5961         (class Arm_v4bx_stub): New class.
5962         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5963         (Stub_factory::make_arm_v4bx_stub): New method.
5964         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5965         (Stub_table::empty): Handle v4bx stubs.
5966         (Stub_table::add_arm_v4bx_stub): New method.
5967         (Stub_table::find_arm_v4bx_stub): New method.
5968         (Arm_relocate_functions::v4bx): New method.
5969         (Target_arm::fix_v4bx): New method.
5970         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5971         (Stub_table::relocate_stubs): Likewise.
5972         (Stub_table::do_write): Likewise.
5973         (Stub_table::update_data_size_and_addralign): Likewise.
5974         (Stub_table::finalize_stubs):  Likewise.
5975         (Target_arm::Scan::local): Likewise.
5976         (Target_arm::Scan::global): Likewise.
5977         (Target_arm::do_finalize_sections): Likewise.
5978         (Target_arm::Relocate::relocate): Likewise.
5979         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5980         Likewise.
5981         (Target_arm::scan_reloc_for_stub): Likewise.
5982         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5983
5984 2010-01-19  Ian Lance Taylor  <iant@google.com>
5985
5986         * output.cc (Output_section_headers::do_sized_write): Write large
5987         segment count to sh_info field.
5988         (Output_file_header::do_sized_write): For large segment count,
5989         write PN_XNUM to e_phnum field.
5990
5991 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5992
5993         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5994         (Arm_relocate_functions::thm_jump8): New function.
5995         (Arm_relocate_functions::thm_jump11): New function.
5996         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5997         R_ARM_THM_JUMP11.
5998         (Target_arm::Scan::global): Likewise.
5999         (Target_arm::Relocate::relocate): Likewise.
6000         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6001         Likewise.
6002
6003 2010-01-14  Doug Kwan  <dougkwan@google.com>
6004
6005         * arm.cc (map, utility): Include headers.
6006         (Target_arm::apply_cortex_a8_workaround): New method.
6007         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6008         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6009         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6010         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6011         the --[no-]fix-cortex-a8 command line options.
6012         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6013         (Target_arm::relocate_stub): Use addend in instruction template.
6014         * options.h (DEFINE_bool): Set the user-set flag.
6015         (General_options): Add --[no-]-fix-cortex options.
6016         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6017         : Update fast look-up map after conversion.
6018
6019 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6020
6021         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6022         in the first pass of do_layout.
6023
6024 2010-01-13  Doug Kwan  <dougkwan@google.com>
6025
6026         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6027         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6028         apparent compiler problem of not folding static constant integral
6029         data members of elfcpp::Elf_sizes<32>.
6030
6031 2010-01-13  Doug Kwan  <dougkwan@google.com>
6032
6033         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6034         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6035         Arm_relobj::scan_section_for_cortex_a8_erratum,
6036         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6037         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6038         sections to scan for relocation stubs into a new method
6039         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6040         relocation and Cortex-A8 stub scanning.
6041         (Target_arm::do_relax): Force stubs to be after stubbed sections
6042         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6043         the beginning of a new relaxation pass.  Update a comment.
6044         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6045
6046 2010-01-12  Ian Lance Taylor  <iant@google.com>
6047
6048         * target-reloc.h (visibility_error): New inline function.
6049         (relocate_section): Call visibility_error.
6050         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6051         (MOSTLYCLEANFILES): Likewise.
6052         (protected_4_pic.o, protected_3.err): New targets.
6053         * testsuite/protected_4.cc: New file.
6054
6055 2010-01-12  Doug Kwan  <dougkwan@google.com>
6056
6057         * arm.cc (Cortex_a8_reloc): New class.
6058         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6059         and cortex_a8_relocs_info_.
6060         (Target_arm::fix_cortex_a8): New method definition.
6061         (Target_arm::Cortex_a8_relocs_info): New type.
6062         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6063         New data member declarations.
6064         (Target_arm::scan_reloc_for_stub): Record information about
6065         relocations for THUMB branches that might be exempted from the
6066         Cortex-A8 workaround.
6067         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6068         at the beginning of a relaxation pass.
6069
6070 2010-01-12  Doug Kwan  <dougkwan@google.com>
6071
6072         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6073         (Arm_relobj::Mapping_symbol_position,
6074          Arm_reloj::Mapping_symbol_position_less,
6075          Arm_relobj::Mapping_symbols_info): New types.
6076         (Target_arm::is_mapping_symbol_name): New method definition.
6077         (Arm_relobj::do_count_local_symbols): Save information about mapping
6078         symbols.
6079
6080 2010-01-11  Doug Kwan  <dougkwan@google.com>
6081
6082         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6083         Arm_relocate_functions::thumb32_branch_upper,
6084         Arm_relocate_functions::thumb32_branch_lower,
6085         Arm_relocate_functions::thumb32_cond_branch_offset,
6086         Arm_relocate_functions::thumb32_cond_branch_upper,
6087         Arm_relocate_functions::thumb32_cond_branch_lower,
6088         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6089         branch offset encoding.
6090         (Arm_relocate_functions::thumb_branch_common): Use new branch
6091         offset encoding methods to avoid code duplication.
6092         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6093         (Stub_addend_reader::operator()): Use new branch encoding method
6094         to avoid code duplication.
6095
6096 2010-01-11  Doug Kwan  <dougkwan@google.com>
6097
6098         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6099         (Target_arm::do_finalize_sections): Define special EXIDX section
6100         symbols only if referenced.
6101         * gc.h (Garbage_collection::add_reference): New method.
6102         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6103         code duplication.
6104
6105 2010-01-11  Ian Lance Taylor  <iant@google.com>
6106
6107         * script.cc (Version_script_info::build_expression_list_lookup):
6108         Change complaing about duplicate wildcard match from error to
6109         warning.
6110
6111         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6112         of 2009-12-30.
6113         (Version_script_info::Version_script_info): Initialize globs_,
6114         default_version_, default_is_global_, and exact_.  Don't
6115         initialize globals_ or locals_.
6116         (Version_script_info::build_lookup_tables): Build local symbols
6117         first.
6118         (Version_script_info::unquote): New function.
6119         (Version_script_info::add_exact_match): New function.
6120         (Version_script_info::build_expression_list_lookup): Remove lookup
6121         parameter.  Add is_global parameter.  Change all callers.  Handle
6122         wildcard pattern specially.  Unquote pattern.  Call
6123         add_exact_match.
6124         (Version_script_info::get_name_to_match): New function.
6125         (Version_script_info::get_symbol_version): New function.
6126         (Version_script_info::get_symbol_version_helper): Remove.
6127         (Version_script_info::check_unmatched_names): Call unquote.
6128         * script.h (class Version_script_info): Change get_symbol_version
6129         to be non-inline and add is_global parameter; change all callers.
6130         Rewrite symbol_is_local.  Update declarations.  Define struct
6131         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6132         Remove globals_ and locals_ members.  Add exact_, globs_,
6133         default_version_, is_global_.
6134         (Version_script_info::Glob): Remove pattern, add expression and
6135         is_global.  Update constructor.  Change all callers.
6136         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6137         default version.
6138         (Versions::symbol_section_contents): If a symbol is undefined, or
6139         defined in a dynamic object, set the version index to
6140         VER_NDX_LOCAL.
6141         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6142         symbol_is_local.
6143         (Symbol_table::add_from_pluginobj): Likewise.
6144         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6145
6146 2010-01-11  Doug Kwan  <dougkwan@google.com>
6147
6148         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6149         (incremental_dump_LDADD): Add linking option for libintl.
6150         * Makefile.in: Regenerate.
6151
6152 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6153
6154         PR gold/11144
6155         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6156         instead of -Ds.
6157         * testsuite/Makefile.in: Regenerated.
6158
6159 2010-01-10  Doug Kwan  <dougkwan@google.com>
6160
6161         * options.h (DEFINE_var): Use parentheses around argument varname__
6162         in macro body to avoid any unintended subsequent substitutions.
6163
6164 2010-01-10  Ian Lance Taylor  <iant@google.com>
6165
6166         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6167         candidates before doing symbol resolution.
6168
6169         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6170         ODR candidates if only one is weak.
6171
6172 2010-01-08  Ian Lance Taylor  <iant@google.com>
6173
6174         * script.cc (Version_script_info::build_expression_list_lookup):
6175         Don't warn about ambiguous version, just record the ambiguity.
6176         (Version_script_info::get_symbol_version_helper): Give error if
6177         version is ambiguous.
6178
6179 2010-01-08  Doug Kwan  <dougkwan@google.com>
6180
6181         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6182           prev_data_size_ and prev_addralign_.  Remove initializer for
6183           deleted data member has_been_changed_.
6184           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6185           to determine if the table is empty.
6186           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6187           Remove.
6188           (Stub_table::add_reloc_stub): Define method in class definition
6189           instead of just declaring it there.
6190           (Stub_table::add_cortex_a8_stub): New method definition.
6191           (Stub_table::update_data_size_and_addralign): Ditto.
6192           (Stub_table::finalize_stubs): Ditto.
6193           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6194           (Stub_table::do_addralign_): Return address alignment in the
6195           (Stub_table::do_reset_address_and_file_offset): Define method in
6196           class definition instead of declaring it there.  Set current data
6197           size to be the data size of the previous pass.
6198           (Stub_table::set_final_data_size): Use current data size as the
6199           final data size.
6200           (Stub_table::relocate_stub): Change parameter type of stub from
6201           Reloc_stub pointer to Stub pointer.
6202           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6203           (Stub_table::Cortex_a8_stub_list): New typedef.
6204           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6205            Stub_table::prev_addralign_): New data member.
6206           (Arm_relobj::Arm_relobj): Initialize data member
6207           section_has_cortex_a8_workaround_.
6208           (Arm_relobj::section_has_cortex_a8_workaround,
6209            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6210            definitions.
6211           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6212           declarations.
6213           (Target_arm::relocate_stub): Change parameter type of stub from
6214           Reloc_stub pointer to Stub pointer.
6215           (Insn_template::size, Insn_template::alignment): Handle
6216           THUMB16_SPECIAL_TYPE.
6217           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6218            Stub_table::update_data_size_and_addralign,
6219            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6220           definitions.
6221           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6222           (Stub_table::do_write): Ditto.
6223           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6224
6225 2010-01-08  Ian Lance Taylor  <iant@google.com>
6226
6227         PR 11108
6228         * symtab.h (class Symbol): Remove fields is_target_special_ and
6229         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6230         (Symbol::is_defined_in_discarded_section): New function.
6231         (Symbol::set_is_defined_in_discarded_section): New function.
6232         (Symbol::has_plt_offset): Rewrite.
6233         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6234         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6235         Don't initialize is_target_special_ or has_plt_offset_.
6236         Initialize is_defined_in_discarded_section_.
6237         (Symbol_table::add_from_relobj): If appropriate, set
6238         is_defined_in_discarded_section.
6239         * resolve.cc (Symbol::override_base_with_special): Don't test
6240         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6241         * target-reloc.h (relocate_section): Do special handling for
6242         symbols defined in discarded sections for global symbols as well
6243         as local symbols.
6244
6245 2010-01-08  Ian Lance Taylor  <iant@google.com>
6246
6247         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6248         the SHT_SYMTAB case.
6249
6250 2010-01-08  Ian Lance Taylor  <iant@google.com>
6251
6252         * object.cc (Sized_relobj::do_layout): Don't get confused if
6253         layout_eh_frame returns NULL.
6254
6255 2010-01-08  Ian Lance Taylor  <iant@google.com>
6256
6257         PR 11084
6258         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6259         dynamic symbol table, use the normal symbol table.
6260         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6261         symbol table.
6262
6263 2010-01-08  Ian Lance Taylor  <iant@google.com>
6264
6265         PR 11072
6266         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6267         sections.
6268
6269 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6270
6271         * version.cc (print_version): Change to "Copyright 2010".
6272
6273 2010-01-08  Ian Lance Taylor  <iant@google.com>
6274
6275         PR 10287
6276         PR 11063
6277         * i386.cc (class Target_i386): Change return type of plt_section
6278         to be non-const.
6279         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6280         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6281         tls_desc_rel_ field.
6282         (Output_data_plt_i386::rel_tls_desc): New function.
6283         (Target_i386::rel_tls_desc_section): New function.
6284         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6285         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6286         R_386_TLS_DESC reloc in rel_tls_desc_section.
6287         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6288         Define struct Tlsdesc_info.
6289         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6290         (Target_x86_64::do_reloc_symbol_index): New function.
6291         (Target_x86_64::add_tlsdesc_info): New function.
6292         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6293         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6294         tlsdesc_rel_ field.
6295         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6296         all callers.
6297         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6298         (Target_x86_64::rela_tlsdesc_section): New function.
6299         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6300         handling.
6301         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6302         (Target_x86_64::do_reloc_addend): New function.
6303         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6304         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6305         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6306         (Output_reloc::type): New function.
6307         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6308         (Output_reloc::is_target_specific): New function.
6309         (Output_reloc::target_arg): New function.
6310         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6311         absolute relocs and target specific relocs.
6312         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6313         add_target_specific.
6314         (class Output_data_reloc) [SHT_RELA]: Likewise.
6315         * output.cc (Output_reloc::Output_reloc): Add four new versions
6316         for absolute relocs and target specific relocs.
6317         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6318         (Output_reloc::get_symbol_index): Likewise.
6319         (Output_reloc::local_section_offset): Check that local_sym_index_
6320         is not TARGET_CODE or 0.
6321         (Output_reloc::symbol_value): Likewise.
6322         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6323         reloc.
6324         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6325         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6326         functions.
6327         * layout.cc (add_target_dynamic_tags): Use output section for
6328         DT_PLTRELSZ and DT_JMPREL.
6329
6330 2010-01-07  Ian Lance Taylor  <iant@google.com>
6331
6332         PR 11061
6333         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6334         function.
6335         (class Output_data_reloc_generic): Define.
6336         (class Output_data_reloc_base): Change base class to
6337         Output_data_reloc_generic.  Change add() method to call
6338         bump_relative_reloc_count for a relative reloc.  Remove
6339         sort_relocs_ field.
6340         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6341         to sort_relocs().
6342         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6343         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6344         appropriate.
6345         * layout.h (class Layout): Update declaration.
6346
6347 2010-01-07  Ian Lance Taylor  <iant@google.com>
6348
6349         * output.h (class Output_data): Add const version of
6350         output_section and do_output_section.
6351         (class Output_section_data): Add const version of
6352         do_output_section.
6353         (class Output_section): Likewise.
6354         * layout.cc (Layout::add_target_dynamic_tags): New function.
6355         * layout.h (class Layout): Update declarations.
6356         * arm.cc (Target_arm::do_finalize_sections): Use
6357         add_target_dynamic_tags.
6358         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6359         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6360         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6361         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6362
6363 2010-01-07  Ian Lance Taylor  <iant@google.com>
6364
6365         PR 11042
6366         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6367         object as needed.
6368
6369 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6370             Ian Lance Taylor  <iant@google.com>
6371
6372         PR 11019
6373         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6374         Xindex::read_symtab_xindex.
6375
6376 2010-01-07  Doug Kwan  <dougkwan@google.com>
6377
6378         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6379         (Insn_template::thumb16_bcond_insn): New method declaration.
6380         (Insn_template): Fix spelling.
6381         (Stub::thumb16_special): New method declaration.
6382         (Stub::do_write): Define virtual method which was previously pure
6383         virtual.
6384         (Stub::do_thumb16_special): New method declaration.
6385         (Stub::do_fixed_endian_write): New template member.
6386         (Reloc_stub::do_write): Remove.
6387         (Reloc_stub::do_fixed_endian_write): Remove.
6388         (Cortex_a8_stub): New class definition.
6389         (Stub_factory::make_cortex_a8_stub): New method definition.
6390         (Stub_factory::Stub_factory): Add missing static storage class
6391         qualifier for elf32_arm_stub_a8_veneer_blx.
6392
6393 2010-01-07  Ian Lance Taylor  <iant@google.com>
6394
6395         PR 10980
6396         * options.h (class General_options): Add --warn-unresolved-symbols
6397         and --error-unresolved-symbols.
6398         * errors.cc (Errors::undefined_symbol): Implement
6399         --warn-unresolved-symbols.
6400
6401         * options.h (class General_options): Add -z text and -z textoff.
6402         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6403
6404 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6405
6406         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6407         (Garbage_collection::cident_sections): New function.
6408         (Garbage_collection::add_cident_section): New function.
6409         (Garbage_collection::cident_sections_): New member.
6410         (gc_process_relocs): Add references to sections whose names are C
6411         identifiers.
6412         * gold.h (cident_section_start_prefix): New constant.
6413         (cident_section_stop_prefix): New constant.
6414         (is_cident): New function.
6415         * layout.cc (Layout::define_section_symbols): Replace string constants
6416         with the newly defined constants.
6417         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6418         C identifiers.
6419         * testsuite/Makefile.am: Add gc_orphan_section_test.
6420         * testsuite/Makefile.in: Regenerate.
6421         * testsuite/gc_orphan_section_test.cc: New file.
6422         * testsuite/gc_orphan_section_test.sh: New file.
6423
6424 2010-01-06  Ian Lance Taylor  <iant@google.com>
6425
6426         PR 10980
6427         * options.h (class General_options): Add --warn-shared-textrel.
6428         * layout.cc (Layout::finish_dynamic_section): Implement
6429         --warn-shared-textrel.
6430
6431         PR 10980
6432         * options.h (class General_options): Add --warn-multiple-gp.
6433
6434 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6435
6436         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6437         $(THREADSLIB) and $(LIBDL).
6438         * Makefile.in: Rebuild.
6439
6440 2010-01-06  Ian Lance Taylor  <iant@google.com>
6441
6442         PR 10980
6443         * options.cc (General_options::parse_section_start): New function.
6444         (General_options::section_start): New function.
6445         (General_options::General_options): Initialize all members.
6446         * options.h: Include <map>
6447         (class General_options): Add --section-start.  Add section_starts_
6448         member.
6449         * layout.cc (Layout::attach_allocated_section_to_segment): If
6450         --section-start was used, set the address of the segment.  Remove
6451         local sort_sections.
6452         (Layout::relaxation_loop_body): If the address of the load segment
6453         has been set by --section-start, don't use it.
6454         * output.h (Output_segment::update_flags_for_output_section): New
6455         function.
6456         * output.cc (Output_segment::add_output_section): Call
6457         update_flags_for_output_section.
6458
6459 2010-01-05  Ian Lance Taylor  <iant@google.com>
6460
6461         PR 10980
6462         * options.h (class General_options): Add --undefined-version.
6463         * script.cc (struct Version_expression): Add was_matched_by_symbol
6464         field.
6465         (Version_script_info::matched_symbol): New function.
6466         (Version_script_info::get_symbol_version_helper): Call
6467         matched_symbol.
6468         (Version_script_info::check_unmatched_names): New function.
6469         * script.h (class Version_script_info): Update declarations.
6470         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6471
6472         * options.h (class General_options): Use DEFINE_bool_alias for
6473         allow_multiple_definition.
6474         * resolve.cc (Symbol_table::should_override): Don't test
6475         allow_multiple_definition.
6476
6477         PR 10980
6478         * options.h (class General_options): Add --cref.
6479         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6480         until after printing cref table.
6481         * cref.cc: Include "symtab.h".
6482         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6483         (Cref_table_compare::operator()): New function.
6484         (Cref_inputs::gather_cref): New function.
6485         (filecol): New static const.
6486         (Cref_inputs::print_cref): New function.
6487         (Cref::print_cref): New function.
6488         * cref.h: Include <cstdio>.
6489         (class Cref): Update declarations.
6490         * mapfile.h (Mapfile::file): New function.
6491         * object.h (class Object): Define Symbols.  Declare virtual
6492         do_get_global_symbols.
6493         (Object::get_global_symbols): New function.
6494         * object.cc (Input_objects::add_object): Pass object to cref_ if
6495         --cref.
6496         (Input_objects::archive_start): Likewise.
6497         (Input_objects::archive_stop): Likewise.
6498         (Input_objects::print_cref): New function.
6499         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6500         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6501         --cref.
6502         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6503         function.
6504         * plugin.h (class Sized_pluginobj): Update declarations.
6505
6506 2010-01-05  Ian Lance Taylor  <iant@google.com>
6507
6508         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6509         to is_default_version.  Rename insdef to insdefault.
6510         (Symbol_table::add_from_relobj): Rename def to is_default_version
6511         and local to is_forced_local.
6512         (Symbol_table::add_from_pluginobj): Likewise.
6513         (Symbol_table::add_from_dynobj): Likewise.
6514         (Symbol_table::define_special_symbol): Rename insdef to
6515         insdefault.
6516
6517 2010-01-04  Ian Lance Taylor  <iant@google.com>
6518
6519         PR 10980
6520         * options.h (class General_options): Add
6521         --allow-multiple-definition and -z muldefs.
6522         * resolve.cc (Symbol_table::should_override): Don't warn about a
6523         multiple symbol definition if --allow-multiple-definition or -z
6524         muldefs.
6525
6526         PR 10980
6527         * options.h (class General_options): Add --add-needed and
6528         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6529         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6530         error if --copy-dt-needed-entries aka --add-needed is used and
6531         would cause a change in behaviour.
6532
6533         PR 10980
6534         * options.h (class General_options): Add -G as a short version of
6535         --shared.  Add no-op options -assert, -g, and -i.
6536
6537 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6538
6539         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6540         check for .text or .gnu.linkonce.t sections.
6541         * icf.cc (Icf::find_identical_sections): Ditto.
6542         Change the detection for mangled function name within the section
6543         name.
6544         * icf.h (is_section_foldable_candidate): New function.
6545
6546 2009-12-30  Ian Lance Taylor  <iant@google.com>
6547
6548         PR 10980
6549         * options.h (class General_options): Permit two dashes with
6550         --retain-symbols-file.
6551
6552 2009-12-30  Ian Lance Taylor  <iant@google.com>
6553
6554         PR 10979
6555         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6556         don't put the file header and segment headers in the text
6557         segment.
6558
6559         PR 10979
6560         * common.cc (Sort_commons::operator()): Stabilize sort when both
6561         entries are NULL.
6562         (Symbol_table::do_allocate_commons_list): When allocating common
6563         symbols, skip a symbol which is no longer common.
6564         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6565         an object before checking its type.
6566         * testsuite/common_test_2.c: New file.
6567         * testsuite/common_test_3.c: New file.
6568         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6569         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6570         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6571         (common_test_2_pic.o, common_test_2.so): New targets.
6572         (common_test_3_pic.o, common_test_3.so): New targets.
6573         * testsuite/Makefile.in: Rebuild.
6574
6575         PR 10979
6576         * script.cc (read_input_script): If we see a new SECTIONS clause,
6577         and we have added an input section, give an error.
6578         * layout.h (class Layout): Add have_added_input_section function.
6579         Add have_added_input_section_ field.
6580         * layout.cc (Layout::Layout): Initialize
6581         have_added_input_section_.
6582         (Layout::layout): Set have_added_input_section_.
6583         (Layout::layout_eh_frame): Likewise.
6584
6585 2009-12-30  Ian Lance Taylor  <iant@google.com>
6586
6587         PR 10931
6588         * options.h (class General_options): Add --sort-common option.
6589         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6590         * common.cc (Sort_common): Add sort_order parameter to
6591         constructor.  Add sort_order_ field.
6592         (Sort_commons::operator): Check sort_order_.
6593         (Symbol_table::allocate_commons): Determine the sort order.
6594         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6595         Change all callers.
6596         (Symbol_table::do_allocate_commons_list): Likewise.
6597
6598 2009-12-30  Ian Lance Taylor  <iant@google.com>
6599
6600         PR 10916
6601         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6602         symbols from this object, don't change the visibility of an
6603         undefined symbol.
6604         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6605
6606 2009-12-30  Ian Lance Taylor  <iant@google.com>
6607
6608         PR 10861
6609         * script.h (class Version_script_info): Define Language enum.
6610         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6611         new fields globals_, locals_, and is_finalized_.
6612         * script.cc: Various formatting fixes.
6613         (class Parser_closure): Change language_stack_ from a vector of
6614         std::string to one of Version_script_info::Language.  Adjust all
6615         uses accordingly.
6616         (class Lazy_demangler): Remove.
6617         (struct Version_expression): Change language from std::string to
6618         Version_script_info::Language.
6619         (Version_script_info::Version_script_info): New function.
6620         (Version_script_info::~Version_script_info): Don't call clear.
6621         (Version_script_info::finalize): New function.
6622         (Version_script_info::build_lookup_tables): New function.
6623         (Version_script_info::build_expression_list_lookup): New
6624         function.
6625         (Version_script_info::get_symbol_version_helper): Rewrite to use
6626         lookup tables.
6627         (Version_script_info::print_expression_list): Adjust to use
6628         Version_script_info::Language.
6629         (script_push_lex_into_version_mode): Check that the version script
6630         has not been finalized.
6631         (version_script_push_lang): Change language string to
6632         Version_script_info::Language.
6633         * options.cc (Command_line::version_script): New function.
6634         * options.h (class General_options): Add finalize_dynamic_list
6635         function.  Change version_script from declaration to definition.
6636         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6637         * testsuite/version_script.map: Remove duplicate def of foo.
6638         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6639         version_script.map.
6640         * testsuite/Makefile.in: Rebuild.
6641
6642 2009-12-30  Ian Lance Taylor  <iant@google.com>
6643
6644         PR 10843
6645         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6646         if the input symbol index is 0, make the output symbol index 0.
6647
6648 2009-12-30  Ian Lance Taylor  <iant@google.com>
6649
6650         PR 10670
6651         * options.h (class General_options): Add -x/--discard-all.
6652         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6653         --discard-all.  If the local symbol needs a dynamic entry, check
6654         that before handling --discard-locals.
6655
6656 2009-12-30  Ian Lance Taylor  <iant@google.com>
6657
6658         PR 10450
6659         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6660         flags to PF_R.
6661         (Output_segment::add_output_section): Don't change the flags if
6662         the type is PT_TLS.
6663
6664         PR 10450
6665         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6666         GNU hash table if they need a dynamic value.  Otherwise, don't add
6667         them if they are defined in a dynamic object or are forced local.
6668
6669 2009-12-29  Ian Lance Taylor  <iant@google.com>
6670
6671         PR 10450
6672         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6673         .gnu.hash table for a 32-bit target.
6674
6675         PR 10450
6676         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6677         regular and a dynamic object only needs a dynamic symbol table
6678         entry if it is externally visible.
6679
6680         PR 10450
6681         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6682         constructor.  Add global_offset_table_ field.
6683         (Target_i386::got_section): Set global_offset_table_.
6684         (Target_i386::do_finalize_sections): Set global_offset_table_
6685         size.
6686         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6687         in constructor.  Add global_offset_table_ field.
6688         (Target_x86_64::got_section): Set global_offset_table_.
6689         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6690         size.
6691
6692         * layout.cc (Layout::Layout): Initialize increase_relro_.
6693         (Layout::get_output_section): Add is_relro, is_last_relro, and
6694         is_first_non_relro parameters.  Change all callers.
6695         (Layout::choose_output_section): Likewise.
6696         (Layout::add_output_section_data): Likewise.
6697         (Layout::make_output_section): Likewise.
6698         (Layout::set_segment_offsets): Clear increase_relro when using a
6699         linker script.
6700         * layout.h (class Layout): Add increase_relro method.  Add
6701         increase_relro_ field.  Update declarations.
6702         * output.cc (Output_section::Output_section): Initialize
6703         is_last_relro_ and is_first_non_relro_.
6704         (Output_segment::add_output_section): Group relro sections is
6705         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6706         (Output_segment::maximum_alignment): Remove relro handling.
6707         (Output_segment::set_section_addresses): Add increase_relro
6708         parameter.  Change all callers.  Add initial alignment to align
6709         relro sections on separate page.  Remove old relro handling.
6710         (Output_segment::set_section_list_addresses): Remove in_relro
6711         parameter.  Change all callers.
6712         (Output_segment::set_offset): Add increase parameter.  Change all
6713         callers.  Remove old relro handling.
6714         * output.h (class Output_section): Add new methods: is_last_relro,
6715         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6716         Add is_last_relro_ and is_first_non_relro_ fields.
6717         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6718         Create separate .got.plt section.  Call increase_relro.
6719         * x86_64.cc (Target_x86_64::got_section): Likewise.
6720         * testsuite/relro_script_test.t: Add .got.plt.
6721
6722         PR 10450
6723         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6724         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6725         (Layout::finalize): Call set_dynamic_symbol_size.
6726         (Layout::set_dynamic_symbol_size): New function.
6727         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6728         set_dynamic_symbol_size.
6729
6730         PR 10450
6731         * output.h (class Output_section): Add is_entsize_zero_ field.
6732         * output.cc (Output_section::Output_section): Initialize
6733         is_entsize_zero_.
6734         (Output_section::set_entsize): If two different entsizes are
6735         requested, force it to zero.
6736         (Output_section::add_input_section): Set flags for .debug_str
6737         before updating section flags.  Set entsize.
6738         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6739         and SHF_STRING if all input sections have those flags.
6740
6741 2009-12-29   Rafael Espindola  <espindola@google.com>
6742
6743         * main.cc (main): Fix the sys time reporting.
6744         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6745         reporting.
6746
6747 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6748
6749         * options.cc (General_options::parse_version): Allow -v to exit
6750         without an error if there is nothing to link.
6751
6752 2009-12-29  Ian Lance Taylor  <iant@google.com>
6753
6754         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6755         using a version of gcc before 4.1.
6756         * configure: Rebuild.
6757
6758 2009-12-28  Chris Demetriou  <cgd@google.com>
6759
6760         * attributes.cc (Output_attributes_section_data::do_write): Use
6761         std::vector::front rather than std::vector::data.
6762
6763 2009-12-28  Ian Lance Taylor  <iant@google.com>
6764
6765         * symtab.h (class Symbol_table): Add enum Defined.
6766         * resolve.cc (Symbol_table::should_override): Add defined
6767         parameter.  Change all callers.  Test whether object is NULL
6768         before calling a method on it.
6769         (Symbol_table::report_resolve_problem): Add defined parameter.
6770         Change all callers.
6771         (Symbol_table::should_override_with_special): Likewise.
6772         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6773         parameter.  Change all callers.
6774         (Symbol_table::do_define_in_output_data): Likewise.
6775         (Symbol_table::define_in_output_segment): Likewise.
6776         (Symbol_table::do_define_in_output_segment): Likewise.
6777         (Symbol_table::define_as_constant): Likewise.
6778         (Symbol_table::do_define_as_constant): Likewise.
6779         * script.h (class Symbol_assignment): Add is_defsym parameter to
6780         constructor; change all callers.
6781         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6782         parameter.  Change all callers.  Add is_defsym_ field.
6783         (class Parser_closure): Add parsing_defsym parameter to
6784         constructor; change all callers.  Add parsing_defsym accessor
6785         function.  Add parsing_defsym_ field.
6786
6787 2009-12-28  Ian Lance Taylor  <iant@google.com>
6788
6789         * gold.cc (queue_middle_tasks): Fix formatting.
6790         * object.cc (Relobj::is_section_name_included): Likewise.
6791
6792 2009-12-23  Ian Lance Taylor  <iant@google.com>
6793
6794         * i386.cc (Target_i386::do_calls_non_split): Recognize
6795         -fsplit-stack prologue for a function with a static chain.
6796         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6797         -fsplit-stack prologue when using %r11.
6798
6799 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6800
6801         * options.cc (General_options::parse_version): Make -v continue and do
6802         the link like GNU ld does.
6803
6804 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6805
6806         * Makefile.am (CCFILES): Add timer.cc.
6807         (HFILES): Add timer.h.
6808         * configure.ac: Check for sysconf and times.
6809         * main.cc: include timer.h.
6810         (main): Use Timer instead of get_run_time.
6811         * timer.cc: New.
6812         * timer.h: New.
6813         * workqueue.cc: include timer.h.
6814         (Workqueue::find_and_run_task):
6815         Report user, sys and wall time.
6816         * Makefile.in: Regenerate.
6817         * config.in: Regenerate.
6818         * configure: Regenerate.
6819
6820 2009-12-16  Doug Kwan  <dougkwan@google.com>
6821
6822         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6823         sections.
6824         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6825         relaxed input sections.
6826         * output.cc (Output_section::find_relaxed_input_section): Change
6827         return type to Output_relaxed_input_section pointer.  Adjust code
6828         for new type of relaxed_input_section_map_.
6829         * output.h (Output_section::find_relaxed_input_section): Change
6830         return type to Output_relaxed_input_section pointer.
6831         (Output_section::Output_relaxed_input_section_by_input_section_map):
6832         New type.
6833         (Output_section::relaxed_input_section_map_): Change type to
6834         Output_section::Output_relaxed_input_section_by_input_section_map.
6835         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6836         input section.
6837
6838 2009-12-15  Ian Lance Taylor  <iant@google.com>
6839
6840         * layout.cc (Layout::create_shstrtab): Only write out after input
6841         sections if we are compressing debug sections.
6842
6843 2009-12-15  Ian Lance Taylor  <iant@google.com>
6844
6845         * archive.cc (Archive::add_symbols): Only look up a symbol without
6846         a version if there is, in fact, a version.
6847
6848 2009-12-14  Ian Lance Taylor  <iant@google.com>
6849
6850         Revert -Wshadow changes, all changes from:
6851         2009-12-11  Doug Kwan  <dougkwan@google.com>
6852         2009-12-11  Nick Clifton  <nickc@redhat.com>
6853         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6854
6855 2009-12-11  Doug Kwan  <dougkwan@google.com>
6856
6857         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6858         due to -Wshadow.
6859         * attributes.cc (Object_attribute::size): Ditto.
6860         (Attributes_section_data::size): Ditto.
6861         (Attributes_section_data::Attributes_section_data): Ditto.
6862         (Output_attributes_section_data::do_write): Ditto.
6863         * attributes.h (Object_attribute::set_type): Ditto.
6864         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6865
6866 2009-12-11  Nick Clifton  <nickc@redhat.com>
6867
6868         * archive.cc: Fix shadowed variable warnings.
6869         * arm.cc: Likewise.
6870         * compressed_output.cc: Likewise.
6871         * compressed_output.h: Likewise.
6872         * configure: Likewise.
6873         * dwarf_reader.cc: Likewise.
6874         * dynobj.cc: Likewise.
6875         * dynobj.h: Likewise.
6876         * ehframe.cc: Likewise.
6877         * ehframe.h: Likewise.
6878         * errors.cc: Likewise.
6879         * expression.cc: Likewise.
6880         * fileread.cc: Likewise.
6881         * fileread.h: Likewise.
6882         * freebsd.h: Likewise.
6883         * i386.cc: Likewise.
6884         * icf.cc: Likewise.
6885         * incremental.h: Likewise.
6886         * layout.cc: Likewise.
6887         * layout.h: Likewise.
6888         * mapfile.cc: Likewise.
6889         * merge.cc: Likewise.
6890         * merge.h: Likewise.
6891         * object.cc: Likewise.
6892         * object.h: Likewise.
6893         * options.h: Likewise.
6894         * output.cc: Likewise.
6895         * output.h: Likewise.
6896         * parameters.cc: Likewise.
6897         * plugin.cc: Likewise.
6898         * powerpc.cc: Likewise.
6899         * reduced_debug_output.cc: Likewise.
6900         * reduced_debug_output.h: Likewise.
6901         * reloc.cc: Likewise.
6902         * reloc.h: Likewise.
6903         * resolve.cc: Likewise.
6904         * script-sections.cc: Likewise.
6905         * script.cc: Likewise.
6906         * script.h: Likewise.
6907         * sparc.cc: Likewise.
6908         * symtab.cc: Likewise.
6909         * symtab.h: Likewise.
6910         * target-select.cc: Likewise.
6911         * target-select.h: Likewise.
6912         * token.h: Likewise.
6913         * workqueue.cc: Likewise.
6914         * workqueue.h: Likewise.
6915         * x86_64.cc: Likewise.
6916
6917 2009-12-10  Doug Kwan  <dougkwan@google.com>
6918
6919         * arm.cc (attributes.h): New include.
6920         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6921         (Arm_relobj::~Arm_relobj): Delete object pointed by
6922         attributes_section_data_.
6923         (Arm_relobj::attributes_section_data): New method definition.
6924         (Arm_relobj::attributes_section_data_): New data member declaration.
6925         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6926         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6927         attributes_section_data_.
6928         (Arm_dynobj::attributes_section_data): New method definition.
6929         (Arm_dynobj::attributes_section_data_): New data member declaration.
6930         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6931         initialization value of may_use_blx_ to false.
6932         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6933         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6934         object attributes to compute results instead of hard-coding.
6935         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6936         Target_arm::get_secondary_compatible_arch,
6937         Target_arm::set_secondary_compatible_arch
6938         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6939         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6940         New method declarations.
6941         (Target_arm::get_aeabi_object_attribute): New method definition.
6942         (Target_arm::attributes_section_data_): New data member declaration.
6943         (read_arm_attributes_section): New template definition.
6944         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6945         (Arm_dynobj::do_read_symbols): Ditto.
6946         (Target_arm::do_finalize_sections): Merge attributes sections from
6947         input.  Check for BLX use after attributes section merging.
6948         Fix __exidx_start and __exidx_end visibility.  Create an
6949         .ARM.attributes section if necessary.
6950         (Target_arm::get_secondary_compatible_arch,
6951         Target_arm::set_secondary_compatible_arch,
6952         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6953         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6954         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6955         New method definitions.
6956
6957 2009-12-09  Ian Lance Taylor  <iant@google.com>
6958
6959         * plugin.cc (Plugin::load): Don't cast from void* to a function
6960         pointer.
6961
6962 2009-12-09  Ian Lance Taylor  <iant@google.com>
6963
6964         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6965         information fields.
6966
6967 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6968
6969         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6970         Replace two_file_shared_1.so with two_file_shared_2.so.
6971         * testsuite/Makefile.in: Regenerated.
6972
6973 2009-12-08  Doug Kwan  <dougkwan@google.com>
6974
6975         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6976         (HFILES): Add attributes.h and int_encoding.h.
6977         * Makefile.in: Regenerate.
6978         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6979         function definitions to int_encoding.cc
6980         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6981         prototypes to int_encoding.h
6982         * reduced_debug_output.cc (int_encoding.h): New include.
6983         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6984         function definitions to int_encoding.cc
6985         (insert_into_vector, read_from_pointer): Move template definitions to
6986         int_encoding.h
6987         * attributes.cc: New file.
6988         * attributes.h: New file.
6989         * int_encoding.cc: New file.
6990         * int_encoding.h: New file.
6991
6992 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6993
6994         PR gold/11055
6995         * incremental-dump.cc (dump_incremental_inputs): New.
6996         (main): Use dump_incremental_inputs.
6997
6998 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6999
7000         PR gold/10893
7001         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7002         checking elfcpp::STT_FUNC.
7003         (Target_i386::Relocate::relocate): Likewise.
7004         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7005
7006         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7007         symbols from shared libraries into normal FUNC symbols.
7008
7009         * symtab.h (Symbol): Add is_func and use it.
7010
7011 2009-12-05  Doug Kwan  <dougkwan@google.com>
7012
7013         * arm.cc (Target_arm::arm_info): Initialize new fields
7014         attributes_section and attributes_vendor.
7015         * i386.cc (Target_i386::i386_info): Same.
7016         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7017         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7018         fields attributes_section and attributes_vendor.
7019         * sparc.cc (Target_sparc::sparc_info): Same.
7020         * target.h (Target::attributes_section, Target::attributes_vendor,
7021         Target::is_attributes_section, Target::attribute_arg_type,
7022         Target::attributes_order): New method definitions.
7023         (Target::Target_info::attributes_section,
7024         Target::Target_info::attributes_vendor): New fields.
7025         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7026         virtual method definitions.
7027         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7028         attributes_section and attributes_vendor.
7029         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7030
7031 2009-12-05  Doug Kwan  <dougkwan@google.com>
7032
7033         * arm.cc: Update comments about interworking and stub generation.
7034         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7035         considered as non-PIC.
7036         (Arm_relocate_functions::base_abs): Fix formatting.
7037         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7038         of function to use GOT entry address instead of offset.
7039         (Target_arm::Scan::global): Issue an error if a symbol would need a
7040         PLT does not get one because it is untyped.  Remove code to create
7041         dynamic symbols for relative branches.
7042         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7043         takes unsigned integer instead of boolean.
7044
7045 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7046
7047         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7048         (two_file_test_LDADD): Likewise.
7049         (common_test_1_LDADD): Likewise.
7050         (exception_test_LDADD) Likewise.
7051         (weak_test_LDADD): Likewise.
7052         (many_sections_test_LDADD): Likewise.
7053         (initpri1_LDADD): Likewise.
7054         (script_test_1_LDADD): Likewise.
7055         (script_test_2_LDADD): Likewise.
7056         (justsyms_LDADD): Likewise.
7057         (binary_test_LDADD): Likewise.
7058         (large_LDADD): Likewise.
7059         * testsuite/Makefile.in: Regenerated.
7060
7061 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7062
7063         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7064         (Symbol_table::override_with_special): Likewise.
7065         (Symbol_table::add_from_object): Likewise.
7066
7067 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7068
7069         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7070         Don't set the data_offset twice.
7071
7072 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7073
7074         * testsuite/Makefile.in: Regenerate.
7075
7076 2009-12-03  Doug Kwan  <dougkwan@google.com>
7077
7078         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7079         (Target_arm::do_finalize_sections): Add parameter for symbol table
7080         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7081         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7082         parameter for symbol table pointer.
7083         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7084         an additional parameter for a pointer to symbol table.
7085         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7086         parameter for a symbol table pointer.
7087         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7088         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7089         Ditto.
7090         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7091         parameter for a symbol table pointer.
7092
7093 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7094
7095         * incremental.cc (Incremental_inputs_header)
7096         (Incremental_inputs_header_write, Incremental_inputs_entry)
7097         (Incremental_inputs_entry_write): Move ...
7098         * incremental.h (Incremental_inputs_header)
7099         (Incremental_inputs_header_write, Incremental_inputs_entry)
7100         (Incremental_inputs_entry_write): here.
7101
7102 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7103
7104         * incremental.cc (make_sized_incremental_binary): Set the target.
7105         Error if it is incompatible.
7106         * output.h (Output_file): Add filename method.
7107
7108 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7109
7110         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7111         from the get_* methods.
7112
7113 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7114
7115         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7116         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7117         Write 0 for the data_offset of scripts.
7118
7119 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7120
7121         * testsuite/Makefile.am: Add the incremental_test.sh test.
7122         * testsuite/incremental_test.sh: New.
7123         * testsuite/incremental_test_1.c: New.
7124         * testsuite/incremental_test_2.c: New.
7125
7126 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7127
7128        * incremental-dump.cc (main): Fix typos.
7129
7130 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7131
7132         PR gold/11025
7133         * incremental-dump.cc (main): Use llu to print 64 bit values.
7134
7135 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7136             H.J. Lu  <hongjiu.lu@intel.com>
7137
7138         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7139         $(LIBDL).
7140         (incremental_dump_LDADD): Likewise.
7141         * Makefile.in: Regenerated.
7142
7143 2009-11-25  Doug Kwan  <dougkwan@google.com>
7144
7145         Revert:
7146
7147         2009-11-25  Doug Kwan  <dougkwan@google.com>
7148
7149                 * arm.cc (Target_arm::Target_arm): Move method definition
7150                 outside of class definition.  Add code to handle
7151                 --target1-rel, --target1-abs and --target2= options.
7152                 (Target_arm::get_reloc_reloc_type): Change method to be
7153                 non-static and const.
7154                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7155                 New data member declaration.
7156                 (Target_arm::Scan::local, Target_arm::Scan::global,
7157                 Target_arm::Relocate::relocate,
7158                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7159                 Adjust call to Target_arm::get_real_reloc_type.
7160                 (Target_arm::get_real_reloc_type): Use command line options
7161                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7162                 * options.h (--target1-rel, --target1-abs, --target2): New
7163                 ARM-only options.
7164
7165 2009-11-25  Doug Kwan  <dougkwan@google.com>
7166
7167         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7168         class definition.  Add code to handle --target1-rel, --target1-abs
7169         and --target2= options.
7170         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7171         and const.
7172         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7173         member declaration.
7174         (Target_arm::Scan::local, Target_arm::Scan::global,
7175         Target_arm::Relocate::relocate,
7176         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7177         call to Target_arm::get_real_reloc_type.
7178         (Target_arm::get_real_reloc_type): Use command line options to
7179         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7180         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7181         options.
7182
7183 2009-11-25  Doug Kwan  <dougkwan@google.com>
7184
7185         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7186         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7187         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7188         formatting.
7189         (Arm_relocate_functions::thm_call): Replace body with a call to
7190         Arm_relocate_functions::thumb_branch_common.
7191         (Arm_relocate_functions::thm_jump24,
7192         Arm_relocate_functions::thm_xpc22): New method definitions.
7193         (Arm_relocate_functions::thumb_branch_common): New method definition.
7194         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7195         operator.
7196         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7197         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7198
7199 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7200
7201         * Makefile.am: Build incremental-dump
7202         * Makefile.in: Regenerate.
7203         * incremental-dump.cc: New.
7204         * incremental.cc (Incremental_inputs_header_data,
7205         Incremental_inputs_entry_data): Move to incremental.h
7206         * incremental.h: (Incremental_inputs_header_data,
7207         Incremental_inputs_entry_data): Move from incremental.cc
7208
7209 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7210
7211         * incremental.cc (Incremental_inputs_header,
7212         Incremental_inputs_header_write, Incremental_inputs_entry,
7213         Incremental_inputs_entry_write): Add a typedef with the data type.
7214
7215 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7216
7217         * incremental.cc (Incremental_inputs_header,
7218         Incremental_inputs_header_write, Incremental_inputs_entry,
7219         Incremental_inputs_entry_write): Update comment about which
7220         type has the filed descriptions.
7221
7222 2009-11-15  Doug Kwan  <dougkwan@google.com>
7223
7224         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7225         (Arm_relocate_functions::arm_branch_common): Change method defintion
7226         in class definition to a method declaration and update list of formal
7227         parameters.
7228         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7229         Arm_relocation_functions::jump24): Adjust call to
7230         Arm_relocate_functions::arm_branch_common.  Update list of formal
7231         parameters.
7232         (Arm_relocate_functions::xpc25): New method definition.
7233         (Arm_relocate_functions::arm_branch_common): Move method defintion
7234         out from class definition.  Use stubs for mode-switching and extending
7235         branch ranges.
7236         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7237         specially.  Change code to enable use of stubs in ARM branches.
7238
7239 2009-11-10  Doug Kwan  <dougkwan@google.com>
7240
7241         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7242         in method declaration.
7243         (Target_arm::relocate_stub): New method declaration.
7244         (Target_arm::default_target): Change to return a pointer instead of
7245         a const reference.
7246         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7247         Target_arm::default_target.
7248         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7249         method definition.
7250         (Target_arm::relocate_section): Adjust view.
7251         (Target_arm::relocate_stub): New method definition.
7252
7253 2009-11-10  Doug Kwan  <dougkwan@google.com>
7254
7255         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7256         a format warning.
7257         * incremental.cc (open_incremental_binary): Initialized local
7258         variables to avoid warnings.
7259         * object.cc (make_elf_object): Ditto.
7260         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7261         a format warning.
7262
7263 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7264
7265         PR gold/10930
7266         * testsuite/plugin_test.c: Include "config.h".
7267
7268 2009-11-09  Doug Kwan  <dougkwan@google.com>
7269
7270         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7271         (arm_symbol_value): Remove.
7272         (Arm_relocate_functions::arm_branch_common,
7273         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7274         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7275         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7276         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7277         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7278         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7279         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7280         Arm_relocate_functions::thm_mobw_abs_nc,
7281         Arm_relocate_functions::thm_mov_abs,
7282         Arm_relocate_functions::movw_prel_nc,
7283         Arm_relocate_functions::thm_movt_abs,
7284         Arm_relocate_functions::movt_prel,
7285         Arm_relocate_functions::thm_movw_prel_nc,
7286         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7287         (Target_arm::Relocate::relocate): Only decompose address into two
7288         parts if relocation type uses the thumb-bit and pass the actual
7289         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7290         calls to methods in Arm_relocate_functions for this change.
7291
7292 2009-11-08  Ian Lance Taylor  <iant@google.com>
7293
7294         PR 10925
7295         * reloc.cc: Instantiate
7296         Sized_relobj::initialize_input_to_output_maps and
7297         Sized_relobj:free_input_to_output_maps.
7298
7299 2009-11-06  Ian Lance Taylor  <iant@google.com>
7300
7301         PR 10876
7302         * defstd.cc (in_segment): Set only_if_ref true for "end".
7303
7304 2009-11-06  Doug Kwan  <dougkwan@google.com>
7305
7306         * arm.cc (class Reloc_stub): Correct a comment.
7307         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7308         (Target_arm::scan_section_for_stubs): New method declaration.
7309         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7310         Change methods from private to protected.
7311         (Target_arm::do_may_relax): New method definition.
7312         (Target_arm::do_relax, Target_arm::group_sections,
7313         Target_arm::scan_reloc_for_stub,
7314         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7315         (Target_arm::arm_input_section_map_): New data member declaration.
7316         (Target_arm::scan_reloc_for_stub,
7317         Target_arm::scan_reloc_section_for_stubs,
7318         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7319         Target_arm::do_relax): New method definitions.
7320
7321 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7322
7323         * configure.ac: Check for (struct stat)::st_mtim
7324         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7325         * config.in: Regenerate.
7326         * configure: Regenerate.
7327
7328 2009-11-05  Ian Lance Taylor  <iant@google.com>
7329
7330         PR 10910
7331         * output.cc (Output_segment::add_output_section): Add missing
7332         return statement.
7333
7334 2009-11-04  Ian Lance Taylor  <iant@google.com>
7335
7336         PR 10880
7337         * object.h (class Object): Add is_needed and set_is_needed
7338         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7339         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7340         defined in a dynamic object and referenced by a regular object,
7341         set is_needed for the dynamic object.
7342         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7343         if the file is marked with as_needed and it is not needed.
7344
7345 2009-11-04  Ian Lance Taylor  <iant@google.com>
7346
7347         PR 10887
7348         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7349         tags if data is discarded by linker script.
7350         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7351         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7352         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7353         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7354
7355 2009-11-04  Ian Lance Taylor  <iant@google.com>
7356
7357         * layout.cc (Layout::get_output_section): Add is_interp and
7358         is_dynamic_linker_section parameters.  Change all callers.
7359         (Layout::choose_output_section): Likewise.
7360         (Layout::make_output_section): Likewise.
7361         (Layout::add_output_section_data): Add is_dynamic_linker_section
7362         parameter.  Change all callers.
7363         * layout.h (class Layout): Update declarations.
7364         * output.h (class Output_section): Add is_interp, set_is_interp,
7365         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7366         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7367         generate_code_fills_at_write_ to a bitfield.
7368         * output.cc (Output_section::Output_sections): Initialize new
7369         fields.
7370         (Output_segment::add_output_section): Add do_sort parameter.
7371         Change all callers.
7372
7373 2009-11-03  Ian Lance Taylor  <iant@google.com>
7374
7375         PR 10860
7376         * options.h (class General_options): Add --warn-common.
7377         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7378         merging two common symbols.
7379         (Symbol_table::should_override): Handle --warn-common when merging
7380         a common symbol with a defined symbol.  Use report_resolve_problem
7381         for multiple definitions.
7382         (Symbol_table::report_resolve_problem): New function.
7383         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7384
7385 2009-11-03  Doug Kwan  <dougkwan@google.com>
7386
7387         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7388         stub_factory_.
7389         (Target_arm::stub_factory): New method definition.
7390         (Target_arm::new_arm_input_section,
7391         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7392         Target_arm::reloc_uses_thumb_bit): New method declarations.
7393         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7394         New type definitions.
7395         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7396         member declarations.
7397         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7398         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7399         New method definitions.
7400
7401 2009-11-03  Ian Lance Taylor  <iant@google.com>
7402
7403         * options.h (class General_options): Add --warn_constructors.
7404
7405 2009-11-03  Ian Lance Taylor  <iant@google.com>
7406
7407         PR 10893
7408         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7409         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7410
7411 2009-11-03  Ian Lance Taylor  <iant@google.com>
7412
7413         PR 10895
7414         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7415         --msgid-bugs-address.
7416         (install-pdf): New target.
7417         (install-data_yes): Look up one directory to find mkinstalldirs.
7418
7419 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7420
7421         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7422         tree.
7423
7424 2009-10-30  Doug Kwan  <dougkwan@google.com>
7425
7426         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7427
7428 2009-10-30  Doug Kwan  <dougkwan@google.com>
7429
7430         * arm.cc (Stub_addend_reader): New struct template definition
7431         and partial specializations.
7432         (Stub_addend_reader::operator()): New method definition for a
7433         partially specialized template.
7434
7435 2009-10-30  Doug Kwan  <dougkwan@google.com>
7436
7437         * arm.cc (Arm_relobj::processor_specific_flags): New method
7438         definition.
7439         (Arm_relobj::do_read_symbols): New method declaration.
7440         (Arm_relobj::processor_specific_flags_): New data member declaration.
7441         (Arm_dynobj): New class definition.
7442         (Target_arm::do_finalize_sections): Add input_objects parameter.
7443         (Target_arm::do_adjust_elf_header): New method declaration.
7444         (Target_arm::are_eabi_versions_compatible,
7445         (Target_arm::merge_processor_specific_flags): New method declaration.
7446         (Target_arm::do_make_elf_object): New overloaded method definitions
7447         and declaration.
7448         (Arm_relobj::do_read_symbols): New method definition.
7449         (Arm_dynobj::do_read_symbols): Ditto.
7450         (Target_arm::do_finalize_sections): Add input_objects parameters.
7451         Merge processor-specific flags from all input objects.
7452         (Target_arm::are_eabi_versions_compatible,
7453         Target_arm::merge_processor_specific_flags,
7454         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7455         New method definitions.
7456         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7457         Input_objects pointer type parameter.
7458         * layout.cc (Layout::finalize): Pass input objects to target's.
7459         finalize_sections function.
7460         * output.cc (Output_file_header::do_sized_write): Set ELF file
7461         header's processor-specific flags.
7462         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7463         Input_objects pointer type parameter.
7464         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7465         * target.h (Input_objects): New forward class declaration.
7466         (Target::processor_specific_flags,
7467         Target::are_processor_specific_flags_sect): New method definitions.
7468         (Target::finalize_sections): Add input_objects parameter.
7469         (Target::Target): Initialize processor_specific_flags_ and
7470         are_processor_specific_flags_set_.
7471         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7472         parameter.
7473         (Target::set_processor_specific_flags): New method definition.
7474         (Target::processor_specific_flags_,
7475         Target::are_processor_specific_flags_set_): New data member
7476         declarations.
7477         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7478         Input_objects pointer type parameter.
7479
7480 2009-10-30  Doug Kwan  <dougkwan@google.com>
7481
7482         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7483
7484 2009-10-28  Ian Lance Taylor  <iant@google.com>
7485
7486         * object.h (class Relobj): Drop options parameter from
7487         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7488         do_scan_relocs, do_relocate.  Change all callers.
7489         (class Sized_relobj): Drop options parameters from
7490         do_gc_process_relocs, do_scan_relocs, do_relocate,
7491         do_relocate_sections, relocate_sections, emit_relocs_scan,
7492         emit_relocs_scan_reltype.  Change all callers.
7493         (struct Relocate_info): Remove options field and all references to
7494         it.
7495         * reloc.h (class Read_relocs): Remove options constructor
7496         parameter and options_ field.  Change all callers.
7497         (class Gc_process_relocs, class Scan_relocs): Likewise.
7498         (class Relocate_task): Likewise.
7499         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7500         all callers.
7501         (scan_relocatable_relocs): Likewise.
7502         * target.h (class Sized_target): Remove options parameter from
7503         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7504         all callers.
7505         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7506         callers.
7507         * arm.cc: Update functions to remove options parameters.
7508         * i386.cc: Likewise.
7509         * powerpc.cc: Likewise.
7510         * sparc.cc: Likewise.
7511         * x86_64.cc: Likewise.
7512         * testsuite/testfile.cc: Likewise.
7513
7514 2009-10-28  Doug Kwan  <dougkwan@google.com>
7515
7516         * arm.cc (Arm_relobj): New class definition.
7517         (Arm_relobj::scan_sections_for_stubs,
7518         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7519         New method definitions.
7520
7521 2009-10-28  Cary Coutant  <ccoutant@google.com>
7522
7523         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7524         (Plugin::cleanup_done_): New member.
7525         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7526         (Plugin_manager::cleanup_done_): Remove.
7527         (Plugin_manager::add_input_file): Edit error message.
7528         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7529         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7530
7531 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7532
7533         * fileread.cc: (File_read::View::~View): Use the new
7534         data_ownership_ filed.
7535         (File_read::~File_read): Dispose the new whole_file_view_.
7536         (File_read::open): Mmap the whole file if needed.
7537         (File_read::open): Use whole_file_view_ instead of contents_.
7538         (File_read::find_view): Use whole_file_view_ if applicable.
7539         (File_read::do_read): Use whole_file_view_ instead of contents_.
7540         (File_read::make_view): Use whole_file_view_ instead of contents_,
7541         update File_read::View::View call.
7542         (File_read::find_or_make_view): Update File_read::View::View
7543         call.
7544         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7545         remove contents_
7546         (File_read::View::Data_ownership): New enum.
7547         (File_read::View::View): Replace bool mapped_ with Data_ownership
7548         argument.
7549         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7550         (File_read::View::data_ownership_): New field.
7551         (File_read::contents_): Remove (replaced by whole_file_view_).
7552         (File_read::whole_file_view_): New field.
7553         * options.h (class General_options): Add --keep-files-mapped.
7554
7555 2009-10-27  Cary Coutant  <ccoutant@google.com>
7556
7557         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7558         * testsuite/Makefile.am (plugin_test_5): New test case.
7559         * testsuite/Makefile.in: Regenerate.
7560
7561 2009-10-25  Doug Kwan  <dougkwan@google.com>
7562
7563         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7564         from private to protected to allow access by child class.
7565         (Sized_relobj::do_relocate_sections): New method declaration.
7566         (Sized_relobj::relocate_sections): Virtualize.
7567         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7568         Sized_relobj::relocate_sections.  Instantiate template explicitly
7569         for different target sizes and endianity.
7570
7571 2009-10-24  Doug Kwan  <dougkwan@google.com>
7572
7573         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7574         (Arm_input_section::as_arm_input_section): New method.
7575         (Arm_output_section): New class definition.
7576         (Arm_output_section::create_stub_group,
7577         Arm_output_section::group_sections): New method definitions.
7578
7579 2009-10-22  Doug Kwan  <dougkwan@google.com>
7580
7581         * arm.cc (Arm_input_section): New class definition.
7582         (Arm_input_section::init, Arm_input_section:do_write,
7583         Arm_input_section::set_final_data_size,
7584         Arm_input_section::do_reset_address_and_file_offset): New method
7585         definitions.
7586
7587 2009-10-21  Doug Kwan  <dougkwan@google.com>
7588
7589         * arm.cc (Stub_table, Arm_input_section): New forward class
7590         declarations.
7591         (Stub_table): New class defintion.
7592         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7593         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7594         New method definition.
7595
7596 2009-10-21  Doug Kwan  <dougkwan@google.com>
7597
7598         * arm.cc: Update copyright comments.
7599         (Target_arm): New forward class template declaration.
7600         (Arm_address): New type.
7601         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7602         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7603         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7604         constants.
7605         (Insn_template): Same.
7606         (DEF_STUBS): New macro.
7607         (Stub_type): New enum type.
7608         (Stub_template): New class definition.
7609         (Stub): Same.
7610         (Reloc_stub): Same.
7611         (Stub_factory): Same.
7612         (Target_arm::Target_arm): Initialize may_use_blx_ and
7613         should_force_pic_veneer_.
7614         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7615         Target_arm::should_force_pic_veneer,
7616         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7617         Target_arm::using_thumb_only, Target_arm:;default_target): New
7618         method defintions.
7619         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7620         New data member declarations.
7621         (Insn_template::size, Insn_template::alignment): New method defintions.
7622         (Stub_template::Stub_template): New method definition.
7623         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7624         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7625         (Stub_factory::Stub_factory): New method definition.
7626         * gold.h (string_hash): New template.
7627         * output.h (Input_section_specifier::hash_value): Use
7628         gold::string_hash.
7629         (Input_section_specifier::string_hash): Remove.
7630         * stringpool.cc (Stringpool_template::string_hash): Use
7631         gold::string_hash.
7632
7633 2009-10-20  Doug Kwan  <dougkwan@google.com>
7634
7635         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7636         symbols of relaxed input sections.
7637         * output.h (Output_section::find_relaxed_input_section): Make
7638         method public.
7639
7640 2009-10-16  Doug Kwan  <dougkwan@google.com>
7641
7642         * dynobj.cc (Versions::Versions): Initialize version_script_.
7643         Only insert base version symbol definition for a shared object
7644         if version script defines any version versions.
7645         (Versions::define_base_version): New method definition.
7646         (Versions::add_def): Check that base version is not needed.
7647         (Versions::add_need): Define base version lazily.
7648         * dynobj.h (Versions::define_base_version): New method declaration.
7649         (Versions::needs_base_version_): New data member declaration.
7650         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7651         (check_DATA): Add no_version_test.stdout.
7652         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7653         New make rules.
7654         * testsuite/Makefile.in: Regenerate.
7655         * testsuite/no_version_test.c: New file.
7656         * testsuite/no_version_test.sh: Ditto.
7657
7658 2009-10-16  Doug Kwan  <dougkwan@google.com>
7659
7660         * expression.cc (class Segment_start_expression): New class definition.
7661         (Segment_start_expression::value): New method definition.
7662         (script_exp_function_segment_start): Return a new
7663         Segment_start_expression.
7664         * gold/script-c.h (script_saw_segment_start_expression): New function
7665         prototype.
7666         * script-sections.cc (Script_sections::Script_sections): Initialize
7667         SAW_SEGMENT_START_EXPRESSION_ to false.
7668         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7669         and -Tbbs options to specify section addresses if given in
7670         command line and no SEGMENT_START expression is seen in a script.
7671         * script-sections.h (Script_sections::saw_segment_start_expression,
7672         Script_sections::set_saw_segment_start_expression): New method
7673         definition.
7674         (Script_sections::saw_segment_start_expression_): New data member
7675         declaration.
7676         * script.cc (script_saw_segment_start_expression): New function.
7677         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7678         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7679         script_test_7.sh and script_test_8.sh.
7680         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7681         script_test_8.stdout.
7682         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7683         (script_test_6, script_test_6.stdout, script_test_7,
7684         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7685         * Makefile.in: Regenerate.
7686         * testsuite/script_test_6.sh: New file.
7687         * testsuite/script_test_6.t: Same.
7688         * testsuite/script_test_7.sh: Same.
7689         * testsuite/script_test_7.t: Same.
7690         * testsuite/script_test_8.sh: Same.
7691
7692 2009-10-16  Doug Kwan  <dougkwan@google.com>
7693
7694         * output.cc (Output_segment::set_section_list_address): Cast
7695         expressions to unsigned long long type to avoid format warnings.
7696
7697 2009-10-15  Ian Lance Taylor  <iant@google.com>
7698
7699         * script.cc (Script_options::add_symbol_assignment): Always add a
7700         dot assignment to script_sections_.
7701         * script-sections.cc (Script_sections::add_dot_assignment):
7702         Initialize if necessary.
7703
7704         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7705         program headers with no load segment if there is a linker script.
7706
7707         * layout.cc (Layout::set_segment_offsets): Align the file offset
7708         to the segment aligment for -N or -n with no load segment.
7709         * output.cc (Output_segment::add_output_section): Don't crash if
7710         the first section is a TLS section.
7711         (Output_segment::set_section_list_addresses): Print an error
7712         message if the address moves backward in a linker script.
7713         * script-sections.cc
7714         (Output_section_element_input::set_section_addresses): Don't
7715         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7716         (Orphan_output_section::set_section_addresses): Likewise.
7717
7718 2009-10-15  Doug Kwan  <dougkwan@google.com>
7719
7720         * layout.cc (Layout::finish_dynamic_section): Generate tags
7721         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7722         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7723         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7724
7725 2009-10-14  Ian Lance Taylor  <iant@google.com>
7726
7727         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7728         fields.
7729         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7730         data_shdr fields of relinfo.
7731         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7732         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7733         R_386_TLS_LDO_32, adjust based on section flags.
7734         (Target_i386::Relocate::fix_up_ldo): Remove.
7735
7736 2009-10-13  Ian Lance Taylor  <iant@google.com>
7737
7738         Add support for -pie.
7739         * options.h (class General_options): Add -pie and
7740         --pic-executable.
7741         (General_options::output_is_position_independent): Test -pie.
7742         (General_options::output_is_executable): Return true if not shared
7743         and not relocatable.
7744         (General_options::output_is_pie): Remove.
7745         * options.cc (General_options::finalize): Reject incompatible uses
7746         of -pie.
7747         * gold.cc (queue_middle_tasks): A -pie link is not static.
7748         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7749         * symtab.cc (Symbol::final_value_is_known): Return false if
7750         output_is_position_independent.
7751         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7752         output_is_position_independent.
7753         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7754         output_is_position_independent.
7755         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7756         output_is_position_independent.
7757         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7758         two_file_pie_test.
7759         (basic_pie_test.o, basic_pie_test): New targets.
7760         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7761         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7762         (two_file_pie_test): New target.
7763         * testsuite/Makefile.in: Rebuild.
7764         * README: Remove note saying that -pie is not supported.
7765
7766 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7767
7768         * options.h (class General_options): Add -init and -fini.
7769         * layout.cc (Layout::finish_dynamic_section): Emit
7770         given init and fini functions.
7771
7772 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7773
7774         * gc.h (gc_process_relocs): Check if icf is enabled using new
7775         function.
7776         * gold.cc (queue_initial_tasks): Likewise.
7777         (queue_middle_tasks): Likewise.
7778         * object.cc (do_layout): Likewise.
7779         * symtab.cc (is_section_folded): Likewise.
7780         * main.cc (main): Likewise.
7781         * reloc.cc (Read_relocs::run): Likewise.
7782         (Sized_relobj::do_scan_relocs): Likewise.
7783         * icf.cc (is_function_ctor_or_dtor): New function.
7784         (Icf::find_identical_sections): Check if function is ctor or dtor when
7785         safe icf is chosen.
7786         * options.h (General_options::icf): Change option to be an enum.
7787         (Icf_status): New enum.
7788         (icf_enabled): New method.
7789         (icf_safe_folding): New method.
7790         (set_icf_status): New method.
7791         (icf_status_): New variable.
7792         * (options.cc) (General_options::finalize): Set icf_status_.
7793         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7794         icf_test and icf_keep_unique_test to use the --icf enum flag.
7795         * testsuite/icf_safe_test.sh: New file.
7796         * testsuite/icf_safe_test.cc: New file.
7797
7798 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7799
7800         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7801         includes to gc.h and icf.h.
7802         * arm.cc: Include gc.h.
7803         * gold.cc: Likewise.
7804         * i386.cc: Likewise.
7805         * powerpc.cc: Likewise.
7806         * sparc.cc: Likewise.
7807         * x86_64.cc: Likewise.
7808         * gc.h: Include icf.h.
7809
7810 2009-10-11  Ian Lance Taylor  <iant@google.com>
7811
7812         * plugin.cc: Include "gold.h" before other header files.
7813
7814 2009-10-10  Chris Demetriou  <cgd@google.com>
7815
7816         * options.h (Input_file_argument::Input_file_type): New enum.
7817         (Input_file_argument::is_lib_): Replace with...
7818         (Input_file_argument::type_): New member.
7819         (Input_file_argument::Input_file_argument): Take Input_file_type
7820         'type' rather than boolean 'is_lib' as second argument.
7821         (Input_file_argument::is_lib): Use type_.
7822         (Input_file_argument::is_searched_file): New function.
7823         (Input_file_argument::may_need_search): Handle is_searched_file.
7824         * options.cc (General_options::parse_library): Support -l:filename.
7825         (General_options::parse_just_symbols): Update for Input_file_argument
7826         changes.
7827         (Command_line::process): Likewise.
7828         * archive.cc (Archive::get_file_and_offset): Likewise.
7829         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7830         * script.cc (read_script_file, script_add_file): Likewise.
7831         * fileread.cc (Input_file::Input_file): Likewise.
7832         (Input_file::will_search_for): Handle is_searched_file.
7833         (Input_file::open): Likewise.
7834         * readsyms.cc (Read_symbols::get_name): Likewise.
7835         * testsuite/Makefile.am (searched_file_test): New test.
7836         * testsuite/Makefile.in: Regenerate.
7837         * testsuite/searched_file_test.cc: New file.
7838         * testsuite/searched_file_test_lib.cc: New file.
7839
7840 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7841             Ian Lance Taylor  <iant@google.com>
7842
7843         * descriptor.cc: Include <cstdio> and "binary-io.h".
7844         (Descriptors::open): Open the files in binary mode always.
7845         * script.cc (Lex::get_token): Treat \r as whitespace.
7846
7847 2009-10-09  Ian Lance Taylor  <iant@google.com>
7848
7849         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7850
7851 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7852             Ian Lance Taylor  <iant@google.com>
7853
7854         * configure.ac: Check for readv function also.
7855         * fileread.cc (readv): Define if not HAVE_READV.
7856         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7857         does not exist.
7858         * config.in: Regenerate.
7859         * configure: Regenerate.
7860
7861 2009-10-09  Doug Kwan  <dougkwan@google.com>
7862
7863         * layout.cc (Layout::make_output_section): Call target hook to make
7864         ordinary output section.
7865         (Layout::finalize): Adjust parameter list of call the
7866         Target::may_relax().
7867         * layout.h (class Layout::section_list): New method.
7868         * merge.h (Output_merge_base::entsize): Change visibility to public.
7869         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7870         New methods.
7871         (Output_merge_string::do_is_string): New method.
7872         * object.cc (Sized_relobj::do_setup): renamed from
7873         Sized_relobj::set_up.
7874         * object.h (Sized_relobj::adjust_shndx,
7875         Sized_relobj::initializ_input_to_output_maps,
7876         Sized_relobj::free_input_to_output_maps): Change visibilities to
7877         protected.
7878         (Sized_relobj::setup): Virtualize.
7879         (Sized_relobj::do_setup): New method declaration.
7880         (Sized_relobj::invalidate_section_offset,
7881         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7882         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7883         * options.cc (parse_int): New function.
7884         * options.h (parse_int): New declaration.
7885         (DEFINE_int): New macro.
7886         (stub_group_size): New option.
7887         * output.cc (Output_section::Output_section): Initialize memebers
7888         merge_section_map_, merge_section_by_properties_map_,
7889         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7890         (Output_section::add_input_section): Handled deferred code-fill
7891         generation and remove an old comment.
7892         (Output_section::add_relaxed_input_section): New method definition.
7893         (Output_section::add_merge_input_section): Use merge section by
7894         properties map to speed to search.  Update merge section maps
7895         as appropriate.
7896         (Output_section::build_relaxation_map): New method definition.
7897         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7898         Same.
7899         (Output_section::relax_input_section): Renamed to
7900         Output_section::convert_input_sections_to_relaxed_sections and change
7901         interface to take a vector of pointers to relaxed sections.
7902         (Output_section::find_merge_section,
7903         Output_section::find_relaxed_input_section): New method definitions.
7904         (Output_section::is_input_address_mapped,
7905         Output_section::output_offset, Output_section::output_address):
7906         Use output section data maps to speed up searching.
7907         (Output_section::find_starting_output_address): Add comments.
7908         (Output_section::do_write,
7909         Output_section::write_to_postprocessing_buffer): Do code-fill
7910         generation as appropriate.
7911         (Output_section::get_input_sections): Invalidate relaxed input section
7912         map.
7913         (Output_section::restore_states): Adjust type of checkpoint .
7914         Invalidate relaxed input section map.
7915         * output.h (Output_merge_base): New class declaration.
7916         (Input_section_specifier): New class defintion.
7917         (class Output_relaxed_input_section) Change base class to
7918         Output_section_data_build.
7919         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7920         base class initializer.
7921         (Output_section::add_relaxed_input_section): New method declaration.
7922         (Output_section::Input_section): Change visibility to protected.
7923         (Output_section::Input_section::relobj,
7924         Output_section::Input_section::shndx): Handle relaxed input sections.
7925         Output_section::input_sections) Change visibility to protected.  Also
7926         define overload to return a non-const pointer.
7927         (Output_section::Merge_section_properties): New class defintion.
7928         (Output_section::Merge_section_by_properties_map,
7929         Output_section::Output_section_data_by_input_section_map,
7930         Output_section::Relaxation_map): New types.
7931         (Output_section::relax_input_section): Rename method to
7932         Output_section::convert_input_sections_to_relaxed_sections and change
7933         interface to take a vector of relaxed section pointers.
7934         (Output_section::find_merge_section,
7935         Output_section::find_relaxed_input_section,
7936         Output_section::build_relaxation_map,
7937         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7938         New method declarations.
7939         (Output_section::merge_section_map_
7940         Output_section::merge_section_by_properties_map_,
7941         Output_section::relaxed_input_section_map_,
7942         Output_section::is_relaxed_input_section_map_valid_,
7943         Output_section::generate_code_fills_at_write_): New data members.
7944         * script-sections.cc
7945         (Output_section_element_input::set_section_addresses): Call
7946         current_data_size and addralign methods of relaxed input sections.
7947         (Orphan_output_section::set_section_addresses): Call current_data_size
7948         and addralign methods of relaxed input sections.
7949         * symtab.cc (Symbol_table::compute_final_value): Extract template
7950         from the body of Symbol_table::sized_finalize_symbol.
7951         (Symbol_table::sized_finalized_symbol): Call
7952         Symbol_table::compute_final_value.
7953         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7954         (Symbol_table::compute_final_value): New templated method declaration.
7955         * target.cc (Target::do_make_output_section): New method defintion.
7956         * target.h (Target::make_output_section): New method declaration.
7957         (Target::relax): Add more parameters for input objects, symbol table
7958         and layout.  Adjust call to do_relax.
7959         (Target::do_make_output_section): New method declaration.
7960         (Target::do_relax): Add parameters for input objects, symbol table
7961         and layout.
7962
7963 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7964
7965         * pread.c: Include stdio.h.
7966
7967 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7968
7969         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7970         defined.
7971
7972 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7973
7974         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7975         Change read_shndx type to unsigned int.
7976         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7977         int.
7978         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7979         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7980         Change read_shndx type to unsigned int.
7981         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7982         int.
7983         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7984         * layout.cc (Layout::create_symtab_sections): Cast the result of
7985         local_symcount * symsize to off_t in the gold_assert.
7986
7987 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7988
7989         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7990         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7991         R_ARM_BASE_ABS.
7992         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7993         (Arm_relocate_functions::thm_abs5): New function.
7994         (Arm_relocate_functions::abs12): New function.
7995         (Arm_relocate_functions::abs16): New function.
7996         (Arm_relocate_functions::base_abs): New function.
7997         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7998         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7999         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8000         R_ARM_BASE_ABS.
8001         (Scan::global): Likewise.
8002         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8003         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8004         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8005         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8006         R_ARM_BASE_ABS.
8007
8008 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8009
8010         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8011         (Arm_relocate_functions::movt_prel): New function.
8012         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8013         (Arm_relocate_functions::thm_movt_prel): New function.
8014         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8015         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8016         (Scan::global, Relocate::relocate): Likewise.
8017         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8018
8019 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8020
8021         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8022         Incremental_checker.
8023         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8024         unsigned int.
8025         (class Incremental_inputs_header): New class.
8026         (Incremental_inputs_header_writer): Edit comment.
8027         (Incremental_inputs_entry): New class.
8028         (Incremental_inputs_entry_writer): Edit comment.
8029         (Sized_incremental_binary::do_find_incremental_inputs_section):
8030         Add *strtab_shndx parameter, fill it.
8031         (Sized_incremental_binary::do_check_inputs): New method.
8032         (Incremental_checker::can_incrementally_link_output_file): Use
8033         Sized_incremental_binary::check_inputs.
8034         (Incremental_inputs::report_command_line): Save command line in
8035         command_line_.
8036         * incremental.h:
8037         (Incremental_binary::find_incremental_inputs_section): New
8038         method.
8039         (Incremental_binary::do_find_incremental_inputs_section): Add
8040         strtab_shndx parameter.
8041         (Incremental_binary::do_check_inputs): New pure virtual method.
8042         (Sized_incremental_binary::do_check_inputs): Declare.
8043         (Incremental_checker::Incremental_checker): Add incremental_inputs
8044         parameter, use it to initialize incremental_inputs_.
8045         (Incremental_checker::incremental_inputs_): New field.
8046         (Incremental_checker::command_line): New method.
8047         (Incremental_checker::inputs): New method.
8048         (Incremental_checker::command_line_): New field.
8049
8050 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8051
8052         * incremental.cc: Include <cstdarg> and "target-select.h".
8053         (vexplain_no_incremental): New function.
8054         (explain_no_incremental): New function.
8055         (Incremental_binary::error): New method.
8056         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8057         method.
8058         (make_sized_incremental_binary): New function.
8059         (open_incremental_binary): New function.
8060         (can_incrementally_link_file): Add checks if output is ELF and has
8061         inputs section.
8062         * incremental.h: Include "elfcpp_file.h" and "output.h".
8063         (Incremental_binary): New class.
8064         (Sized_incremental_binary): New class.
8065         (open_incremental_binary): Declare.
8066         * object.cc (is_elf_object): Use
8067         elfcpp::Elf_recognizer::is_elf_file.
8068         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8069         * output.h (Output_file::filesize): New method.
8070
8071 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8072
8073         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8074         New function.
8075         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8076         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8077         function.
8078         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8079         function.
8080         (Arm_relocate_functions::movw_abs_nc): New function.
8081         (Arm_relocate_functions::movt_abs): New function.
8082         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8083         (Arm_relocate_functions::thm_movt_abs): New function.
8084         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8085         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8086         (Scan::global): Likewise.
8087         (Relocate::relocate): Likewise.
8088         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8089
8090 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8091
8092         * arm.cc (Arm_relocate_functions::got_prel) New function.
8093         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8094         (Relocate::relocate): Likewise.
8095         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8096
8097 2009-10-06  Ian Lance Taylor  <iant@google.com>
8098
8099         * options.h (class General_options): Define
8100         split_stack_adjust_size parameter.
8101         * object.h (class Object): Add uses_split_stack_ and
8102         has_no_split_stack_ fields.  Add uses_split_stack and
8103         has_no_split_stack accessor functions.  Declare
8104         handle_split_stack_section.
8105         (class Reloc_symbol_changes): Define.
8106         (class Sized_relobj): Define Function_offsets.  Declare
8107         split_stack_adjust, split_stack_adjust_reltype, and
8108         find_functions.
8109         * object.cc (Object::handle_split_stack_section): New function.
8110         (Sized_relobj::do_layout): Call handle_split_stack_section.
8111         * dynobj.cc (Sized_dynobj::do_layout): Call
8112         handle_split_stack_section.
8113         * reloc.cc (Sized_relobj::relocate_sections): Call
8114         split_stack_adjust for executable sections in split_stack
8115         objects.  Pass reloc_map to relocate_section.
8116         (Sized_relobj::split_stack_adjust): New function.
8117         (Sized_relobj::split_stack_adjust_reltype): New function.
8118         (Sized_relobj::find_functions): New function.
8119         * target-reloc.h: Include "object.h".
8120         (relocate_section): Add reloc_symbol_changes parameter.  Change
8121         all callers.
8122         * target.h (class Target): Add calls_non_split method.  Declare
8123         do_calls_non_split virtual method.  Declare match_view and
8124         set_view_to_nop.
8125         * target.cc: Include "elfcpp.h".
8126         (Target::do_calls_non_split): New function.
8127         (Target::match_view): New function.
8128         (Target::set_view_to_nop): New function.
8129         * gold.cc (queue_middle_tasks): Give an error if mixing
8130         split-stack and non-split-stack objects with -r.
8131         * i386.cc (Target_i386::relocate_section): Add
8132         reloc_symbol_changes parameter.
8133         (Target_i386::do_calls_non_split): New function.
8134         * x86_64.cc (Target_x86_64::relocate_section): Add
8135         reloc_symbol_changes parameter.
8136         (Target_x86_64::do_calls_non_split): New function.
8137         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8138         parameter.
8139         * powerpc.cc (Target_powerpc::relocate_section): Add
8140         reloc_symbol_changes parameter.
8141         * sparc.cc (Target_sparc::relocate_section): Add
8142         reloc_symbol_changes parameter.
8143         * configure.ac: Call AM_CONDITIONAL for the default target.
8144         * configure: Rebuild.
8145         * testsuite/Makefile.am (TEST_AS): New variable.
8146         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8147         (check_DATA): Add split_i386 and split_x86_64 files.
8148         (SPLIT_DEFSYMS): Define.
8149         (split_i386_[1234n].o): New targets.
8150         (split_i386_[124]): New targets.
8151         (split_i386_[1234r].stdout): New targets.
8152         (split_x86_64_[1234n].o): New targets.
8153         (split_x86_64_[124]): New targets.
8154         (split_x86_64_[1234r].stdout): New targets.
8155         (MOSTLYCLEANFILES): Add new executables.
8156         * testsuite/split_i386.sh: New file.
8157         * testsuite/split_x86_64.sh: New file.
8158         * testsuite/split_i386_1.s: New file.
8159         * testsuite/split_i386_2.s: New file.
8160         * testsuite/split_i386_3.s: New file.
8161         * testsuite/split_i386_4.s: New file.
8162         * testsuite/split_i386_n.s: New file.
8163         * testsuite/split_x86_64_1.s: New file.
8164         * testsuite/split_x86_64_2.s: New file.
8165         * testsuite/split_x86_64_3.s: New file.
8166         * testsuite/split_x86_64_4.s: New file.
8167         * testsuite/split_x86_64_n.s: New file.
8168         * testsuite/testfile.cc (Target_test): Update relocation_section
8169         function.
8170         * testsuite/Makefile.in: Rebuild.
8171
8172 2009-10-06  Ian Lance Taylor  <iant@google.com>
8173
8174         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8175         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8176         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8177         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8178         the address on ldo_addrs_.
8179         (Target_i386::Relocate::fix_up_ldo): New function.
8180
8181 2009-10-06   Rafael Espindola  <espindola@google.com>
8182
8183         * plugin.cc (add_input_library): New.
8184         (Plugin::load): Add add_input_library to tv.
8185         (Plugin_manager::add_input_file): Add the is_lib argument.
8186         (add_input_file): Update call to Plugin_manager::add_input_file.
8187         (add_input_library): New.
8188         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8189
8190 2009-09-30  Doug Kwan  <dougkwan@google.com>
8191
8192         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8193         symbol and call Symbol::may_need_copy_reloc to determine if
8194         a copy reloc is needed.
8195         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8196         nocopyreloc is given in command line.
8197         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8198         given in command line.
8199         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8200         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8201         of the removed Target_i386::may_need_copy_reloc.
8202         * options.h (copyreloc): New option with default value false.
8203         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8204         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8205         instead of the removed Target_powerpc::may_need_copy_reloc.
8206         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8207         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8208         instead of the removed Target_sparc::may_need_copy_reloc.
8209         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8210         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8211         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8212         instead of the removed Target_x86_64::may_need_copy_reloc.
8213
8214 2009-09-30  Ian Lance Taylor  <iant@google.com>
8215
8216         * object.h (class Object): Remove target_ field, and target,
8217         sized_target, and set_target methods.
8218         (Object::sized_target): Remove.
8219         (class Sized_relobj): Update declarations.  Remove sized_target.
8220         * object.cc (Sized_relobj::setup): Remove target parameter.
8221         Change all callers.
8222         (Input_objects::add_object): Don't do anything with the target.
8223         (make_elf_sized_object): Add punconfigured parameter.  Change all
8224         callers.  Set or test parameter target.
8225         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8226         Change all callers.
8227         * parameters.cc (Parameters::set_target): Change parameter type to
8228         be non-const.
8229         (Parameters::default_target): Remove.
8230         (set_parameters_target): Change parameter type to be non-const.
8231         (parameters_force_valid_target): New function.
8232         (parameters_clear_target): New function.
8233         * parameters.h (class Parameters): Update declarations.  Remove
8234         default_target method.  Add sized_target and clear_target
8235         methods.  Change target_ to be non-const.
8236         (set_parameters_target): Update declaration.
8237         (parameters_force_valid_target): Declare.
8238         (parameters_clear_target): Declare.
8239         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8240         as NULL if we aren't searching.
8241         (Add_symbols::run): Don't check for compatible target.
8242         * fileread.cc (Input_file::open_binary): Call
8243         parameters_force_valid_target.
8244         * gold.cc (queue_middle_tasks): Likewise.
8245         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8246         set_target on object.
8247         * dynobj.h (class Sized_dynobj): Update declarations.
8248         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8249         make_elf_object returns NULL.
8250         (Archive::include_member): Don't check whether object target is
8251         compatible.
8252         * output.cc (Output_section::add_input_section): Get target from
8253         parameters.
8254         (Output_section::relax_input_section): Likewise.
8255         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8256         parameters.
8257         (Sized_relobj::do_scan_relocs): Likewise.
8258         (Sized_relobj::relocate_sections): Likewise.
8259         * resolve.cc (Symbol_table::resolve): Likewise.
8260         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8261         parameter.  Change all callers.
8262         (Symbol_table::add_from_object): Get target from parameters.
8263         (Symbol_table::add_from_relobj): Don't check object target.
8264         (Symbol_table::add_from_dynobj): Likewise.
8265         (Symbol_table::define_special_symbol): Get target from
8266         parameters.
8267         * symtab.h (class Symbol_table): Update declaration.
8268         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8269         parameter.  Change all callers.  Clear parameter target.
8270         (Binary_test): Test target here.
8271         * testsuite/object_unittest.cc (gold_testsuite): Remove
8272         target_test_pointer parameter.  Change all callers.
8273         (Object_test): Test target here.
8274
8275 2009-09-26  Ian Lance Taylor  <iant@google.com>
8276
8277         * testsuite/initpri1.c: Don't try to use constructor priorities if
8278         compiling with gcc before 4.3.
8279
8280 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8281
8282         * testsuite/retain_symbols_file_test.sh (check_present): Change
8283         output file name to retain_symbols_file_test.stdout.
8284         (check_absent): Likewise.
8285
8286 2009-09-18  Craig Silverstein  <csilvers@google.com>
8287
8288         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8289         * options.cc: Include <cerrno> and <fstream>.
8290         (General_options::finalize): Parse -retain-symbols-file tag.
8291         * options.h: New flag.
8292         (General_options): New method should_retain_symbol, new
8293         variable symbols_to_retain.
8294         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8295         should_retain_symbol map.
8296         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8297         * testsuite/Makefile.in: Regenerate.
8298         * testsuite/retain_symbols_file_test.sh: New file.
8299
8300 2009-09-18  Nick Clifton  <nickc@redhat.com>
8301
8302         * po/es.po: Updated Spanish translation.
8303
8304 2009-09-17  Doug Kwan  <dougkwan@google.com>
8305
8306         * debug.h (DEBUG_RELAXATION): New constant.
8307         (DEBUG_ALL): Add DEBUG_RELAXATION.
8308         (debug_string_to_enum): Add relaxation debug option.
8309         * layout.cc
8310         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8311         Layout::Relaxation_debug_check::read_sections,
8312         Layout::Relaxation_debug_check::read_sections): New method definitions.
8313         (Layout::Layout): Initialize data members
8314         record_output_section_data_from_scrips_,
8315         script_output_section_data_list_ and relaxation_debug_check_.
8316         (Layout::save_segments, Layout::restore_segments,
8317         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8318         Layout::relaxation_loop_body): New method definitions.
8319         (Layout::finalize): Support relaxation.  Move section layout code to
8320         Layout::relaxation_loop_body.
8321         (Layout::set_asection_address_from_script): Move code for orphan
8322         section placement out.
8323         (Layout::place_orphan_sections_in_script): New method definition.
8324         * layout.h (Output_segment_headers, Output_file_header):
8325         New forward class declarations.
8326         (Layout::~Layout): Define.
8327         (Layout::new_output_section_data_from_script): New method definition.
8328         (Layout::place_orphan_sections_in_script): New method declaration.
8329         (Layout::Segment_states): New type declaration.
8330         (Layout::save_segments, Layout::restore_segments,
8331         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8332         Layout::relaxation_loop_body): New method declarations.
8333         (Layout::Output_section_data_list): New type declaration.
8334         (Layout::Relaxation_debug_check): New class definition.
8335         (Layout::record_output_section_data_from_script_,
8336         Layout::script_output_section_data_list_, Layout::segment_states_,
8337         Layout::relaxation_debug_check_): New data members.
8338         * output.cc: (Output_section_headers::do_size): New method definition.
8339         (Output_section_headers::Output_section_headers): Move size
8340         computation to Output_section_headers::do_size.
8341         (Output_segment_headers::do_size): New method definition.
8342         (Output_file_header::Output_file_header): Move size computation to
8343         Output_file_header::do_size and call it.
8344         (Output_file_header::do_size): New method definition.
8345         (Output_data_group::Output_data_group): Adjust call to
8346         Output_section_data.
8347         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8348         (Output_symtab_xindex::do_write): Add array bound check.
8349         (Output_section::Input_section::print_to_mapfile): Handle
8350         RELAXED_INPUT_SECTION_CODE.
8351         (Output_section::Output_section): Initialize data member checkpoint_.
8352         (Output_section::~Output_section): Delete checkpoint object pointed
8353         by checkpoint_.
8354         (Output_section::add_input_section): Always add an Input_section if
8355         relaxing.
8356         (Output_section::add_merge_input_section): Add assert.
8357         (Output_section::relax_input_section): New method definition.
8358         (Output_section::set_final_data_size): Set load address to zero for
8359         an unallocated section.
8360         (Output_section::do_address_and_file_offset_have_reset_values):
8361         New method definition.
8362         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8363         Handle relaxed input section.
8364         (Output_section::sort_attached_input_sections): Checkpoint input
8365         section list lazily.
8366         (Output_section::get_input_sections): Change type of input_sections to
8367         list of Simple_input_section pointers.  Checkpoint input section list
8368         lazily.  Also handle relaxed input sections.
8369         (Output_section::add_input_section_for_script): Take a reference to
8370         a Simple_input_section object instead of Relobj pointer and section
8371         index as parameter.  Handle relaxed input sections.
8372         (Output_section::save_states, Output_section::restore_states): New
8373         method definitions.
8374         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8375         (Output_data::is_data_size_fixed): New method definition.
8376         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8377         if it is fixed.
8378         (Output_data::address_and_file_offset_have_reset_values): New method
8379         definition.
8380         (Output_data::do_address_and_file_offset_have_reset_values): New method
8381         definition.
8382         (Output_data::set_data_size): Check that data size is not fixed.
8383         (Output_data::fix_data_size): New method definition.
8384         (Output_data::is_data_size_fixed_): New data member.
8385         (Output_section_headers::set_final_data_size): New method definition.
8386         (Output_section_headers::do_size): New method declaration.
8387         (Output_segment_headers::set_final_data_size): New method definition.
8388         (Output_segment_headers::do_size): New method declaration.
8389         (Output_file_header::set_final_data_size)::New method definition.
8390         (Output_file_header::do_size)::New method declaration.
8391         (Output_section_data::Output_section_data): Add new parameter
8392         is_data_size_fixed and use it to fix data size.
8393         (Output_data_const::Output_data_const): Adjust call to base class
8394         constructor and fix data size.
8395         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8396         base class constructor and fix data size.
8397         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8398         base class constructor and fix data size.
8399         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8400         class constructor and fix data size.
8401         (Output_data_group::set_final_data_size): New method definition.
8402         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8403         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8404         class constructor and fix data size.
8405         (Output_relaxed_input_section): New class definition.
8406         (Output_section::Simple_input_section): New class definition.
8407         (Output_section::get_input_sections): Adjust parameter list.
8408         (Output_section::add_input_section_for_script): Same.
8409         (Output_section::save_states, Output_section::restore_states,
8410         Output_section::do_address_and_file_offset_have_reset_values,
8411         (Output_section::Input_section::Input_section): Handle
8412         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8413         Output_relaxed_input_section.
8414         (Output_section::Input_section::is_input_section,
8415         Output_section::Input_section::set_output_section): Handle relaxed
8416         input section.
8417         (Output_section::Input_section::is_relaxed_input_section,
8418         Output_section::Input_section::output_section_data,
8419         Output_section::Input_section::relaxed_input_section): New method
8420         definitions.
8421         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8422         value.
8423         (Output_section::Input_section::u1_): Update comments.
8424         (Output_section::Input_section::u2_): Add new union member poris.
8425         (Output_section::Checkpoint_output_section): New classs definition.
8426         (Output_section::relax_input_section): New method declaration.
8427         (Output_section::checkpoint_): New data member.
8428         (Output_segment): Update comments.
8429         (Output_segment::Output_segment): Un-privatize copy constructor.
8430         (Output_segment::operator=): Un-privatize.
8431         * script-sections.cc (Output_section_element::Input_section_list):
8432         Change element type to Output_section::Simple_input_section.
8433         (Output_section_element_dot_assignment::set_section_addresses):
8434         Register output section data for relaxation clean up.
8435         (Output_data_exression::Output_data_expression): Adjust call to base
8436         constructor to fix data size.
8437         (Output_section_element_data::set_section_addresses): Register
8438         Output_data_expression object for relaxation clean up.
8439         (struct Input_section_info): Replace Relobj pointer and section index
8440         pair with Output_section::Simple_input_section and Convert struct to a
8441         class.
8442         (Input_section_sorter::operator()): Adjust access to
8443         Input_section_info data member to use accessors.
8444         (Output_section_element_input::set_section_addresses): Use layout
8445         parameter.  Adjust code to use Output_section::Simple_input_section
8446         and Input_secction_info classes.  Register filler for relaxation
8447         clean up.
8448         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8449         and section index pair with Output_section::Simple_input_section
8450         class.  Adjust code accordingly.
8451         (Phdrs_element::release_segment): New method definition.
8452         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8453         segment list.
8454         (Script_sections::release_segments): New method definition.
8455         * gold/script-sections.h (Script_sections::release_segments): New
8456         method declaration.
8457         * gold/target.h (Target::may_relax, Target::relax,
8458         Target::do_may_relax, Target::do_relax): New method definitions.
8459
8460 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8461
8462         * arm.cc (has_signed_unsigned_overflow): New function.
8463         (Arm_relocate_functions::abs8): New function.
8464         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8465         (Target_arm::Scan::global): Likewise.
8466         (Target_arm::relocate::relocate): Likewise.
8467         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8468         Likewise.
8469
8470 2009-09-16  Cary Coutant  <ccoutant@google.com>
8471
8472         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8473         * testsuite/Makefile.in: Regenerate.
8474
8475 2009-09-11  Nick Clifton  <nickc@redhat.com>
8476
8477         * po/gold.pot: Updated by the Translation project.
8478
8479 2009-09-08  Cary Coutant  <ccoutant@google.com>
8480
8481         * output.cc (Output_file::open): Add execute permission to empty file.
8482         * testsuite/Makefile.am (permission_test): New test.
8483         * testsuite/Makefile.in: Regenerate.
8484
8485 2009-09-02  Ian Lance Taylor  <iant@google.com>
8486
8487         * output.cc (Output_file::resize): Call map_no_anonymous rather
8488         than map.
8489
8490 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8491
8492         * gold.cc: Include "incremental.h".
8493         (queue_initial_tasks): Call Incremental_checker methods.
8494         * incremental.cc: Include "output.h".
8495         (Incremental_checker::can_incrementally_link_output_file): New
8496         method.
8497         * incremental.h (Incremental_checker): New class.
8498
8499         * output.cc (Output_file::open_for_modification): New method.
8500         (Output_file::map_anonymous): Changed return type to bool.  Record
8501         map in base_ field.
8502         (Output_file::map_no_anonymous): New method, broken out of map.
8503         (Output_file::map): Use map_no_anonymous and map_anonymous.
8504         * output.h (class Output_file): Update declarations.
8505
8506 2009-08-24  Cary Coutant  <ccoutant@google.com>
8507
8508         * options.h (Command_line::Pre_options): New class.
8509         (Command_line::pre_options): New member.
8510         * options.cc (gold::options::ready_to_register): New variable.
8511         (One_option::register_option): Do nothing if not registering options.
8512         Assert if same short option registered twice.
8513         (General_options::General_options): Turn off option registration when
8514         done constructing.
8515         (Command_line::Pre_options::Pre_options): New constructor.
8516
8517 2009-08-24  Cary Coutant  <ccoutant@google.com>
8518
8519         * options.h (General_options::no_keep_memory): Remove incorrect
8520         short option.
8521
8522 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8523
8524         * Makefile.am (am__skiplex, am__skipyacc): New.
8525         * Makefile.in: Regenerate.
8526
8527 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8528
8529         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8530         (INCLUDES): ... this.
8531         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8532         (AM_CPPFLAGS): Renamed from ...
8533         (INCLUDE): ... this.
8534         * Makefile.in, testsuite/Makefile.in: Regenerate.
8535
8536         * Makefile.in: Regenerate.
8537         * aclocal.m4: Likewise.
8538         * config.in: Likewise.
8539         * configure: Likewise.
8540         * testsuite/Makefile.in: Likewise.
8541
8542         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8543         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8544         * Makefile.in: Regenerate.
8545         * testsuite/Makefile.in: Regenerate.
8546
8547 2009-08-19  Cary Coutant  <ccoutant@google.com>
8548
8549         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8550         symbols in shared libraries overridden by hidden or internal symbols
8551         in the main program.
8552
8553 2009-08-19  Chris Demetriou  <cgd@google.com>
8554
8555         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8556         checking source file names in error messages.
8557
8558 2009-08-18  Doug Kwan  <dougkwan@google.com>
8559
8560         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8561         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8562         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8563         an elfcpp::Ehdr as parameter.
8564         * object.cc (Object::set_target): Remove the version that looks up
8565         a target and sets it.
8566         (Sized_relobj::setup): Take a Target object instead of
8567         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8568         (make_elf_sized_object): Find target and ask target to
8569         make an ELF object.
8570         * object.h: (Object::set_target): Remove the version that looks up
8571         a target and sets it.
8572         (Sized_relobj::setup): Take a Target object instead of
8573         an elfcpp:Ehdr as parameter.
8574         * target.cc: Include dynobj.h.
8575         (Target::do_make_elf_object_implementation): New.
8576         (Target::do_make_elf_object): New.
8577         * target.h (Target::make_elf_object): New template declaration.
8578         (Target::do_make_elf_object): New method declarations.
8579         (Target::do_make_elf_object_implementation): New template declaration.
8580
8581 2009-08-14  Ian Lance Taylor  <iant@google.com>
8582
8583         * gold.h (FUNCTION_NAME): Define.
8584         (gold_unreachable): Use FUNCTION_NAME.
8585
8586 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8587
8588         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8589         symbol in the --keep-unique list is not found.
8590
8591 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8592
8593         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8594         been maked as --keep-unique.
8595         (Icf::unfold_section): New function.
8596         * icf.h (Icf::unfold_section): New function.
8597         * options.h (General_options::keep_unique): New option.
8598         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8599         * testsuite/Makefile.in: Regenerate.
8600         * testsuite/icf_keep_unique_test.sh: New file.
8601         * testsuite/icf_keep_unique_test.cc: New file.
8602
8603 2009-08-12  Cary Coutant  <ccoutant@google.com>
8604
8605         PR 10471
8606         * resolve.cc (Symbol_table::resolve): Check for references from
8607         dynamic objects to hidden and internal symbols.
8608         * testsuite/Makefile.am (hidden_test.sh): New test.
8609         * testsuite/Makefile.in: Regenerate.
8610         * testsuite/hidden_test.sh: New script.
8611         * testsuite/hidden_test_1.c: New test source.
8612         * testsuite/hidden_test_main.c: New test source.
8613
8614 2009-08-11  Doug Kwan  <dougkwan@google.com>
8615
8616         * arm.cc: Update comments.
8617         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8618         segment to locate the .ARM.exidx section if present.
8619
8620 2009-08-09  Doug Kwan  <dougkwan@google.com>
8621
8622         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8623         patch.
8624
8625 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8626         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8627         compiler warnings.
8628
8629 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8630
8631         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8632         valid tls_segment only for non-debug-section relocations.
8633         * testsuite/Makefile.am: Add gc_tls_test.
8634         * testsuite/Makefile.in: Regenerate.
8635         * testsuite/gc_tls_test.cc: New file.
8636         * testsuite/gc_tls_test.sh: New file.
8637
8638 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8639
8640         * icf.cc: New file.
8641         * icf.h: New file.
8642         * Makefile.am (CCFILES): Add icf.cc.
8643         (HFILES): Add icf.h
8644         * Makefile.in: Regenerate.
8645         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8646         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8647         section, symbol and addend information for the relocs.
8648         * gold.cc (queue_middle_tasks): Call identical code folding.
8649         * gold.h: Add defines for multimap.
8650         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8651         to the call of finalize_local_symbols.
8652         * main.cc (main): Create object of class Icf.
8653         * object.cc (Sized_relobj::do_layout): Allow this function to be
8654         called twice during icf.
8655         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8656         to sections marked as identical by icf.
8657         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8658         when available.
8659         (Sized_relobj::do_section_entsize): New function.
8660         * object.h (Object::section_entsize): New function.
8661         (Object::do_section_entsize): New pure virtual function.
8662         (Relobj::finalize_local_symbols): Add new parameter.
8663         (Relobj::do_section_entsize): New function.
8664         * options.h (General_options::icf): New option.
8665         (General_options::icf_iterations): New option.
8666         (General_options::print_icf_sections): New option.
8667         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8668         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8669         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8670         icf.
8671         * symtab.cc (Symbol_table::is_section_folded): New function.
8672         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8673         to sections marked as identical by icf.
8674         * symtab.h (Symbol_table::set_icf): New function.
8675         (Symbol_table::icf): New function.
8676         (Symbol_table::is_section_folded): New function.
8677         (Symbol_table::icf_): New data member.
8678         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8679         * testsuite/Makefile.am: Add commands to build icf_test.
8680         * testsuite/Makefile.in: Regenerate.
8681         * testsuite/icf_test.sh: New file.
8682         * testsuite/icf_test.cc: New file.
8683
8684 2009-07-24  Chris Demetriou  <cgd@google.com>
8685
8686         * layout.cc (is_compressible_debug_section): Fix incorrect
8687         comment about compressed section names.
8688
8689 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8690
8691         PR 10419
8692         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8693
8694 2009-07-16  Ian Lance Taylor  <iant@google.com>
8695
8696         PR 10400
8697         * layout.h: #include <map>.
8698         (class Kept_section): Change from struct to class.  Add accessors
8699         and setters.  Add section size to Comdat_group mapping.  Change
8700         Comdat_group to std::map.  Add is_comdat_ field.  Add
8701         linkonce_size field in union.
8702         (class Layout): Update declaration of find_or_add_kept_section.
8703         Don't declare find_kept_object.
8704         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8705         parameter.  Add object, shndx, is_comdat, and is_group_name
8706         parameters.  Change all callers.  Adjust for new Kept_section.
8707         (Layout::find_kept_object): Remove.
8708         * object.cc (Sized_relobj::include_section_group): Update use of
8709         Kept_section.  Rename secnum to shndx.  Only record
8710         Kept_comdat_section if sections are the same size.
8711         (Sized_relobj::include_linkonce_section): Update use of
8712         Kept_section.  Only record Kept_comdat_section if sections are the
8713         same size.  Set size of linkonce section.
8714         (Sized_relobj::map_to_kept_section): Update call to
8715         get_kept_comdat_section.
8716         * object.h (class Sized_relobj): Rename fields in
8717         Kept_comdat_section to drop trailing underscores; change object
8718         field to Relobj*.  Change Kept_comdat_section_table to store
8719         struct rather than pointer.
8720         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8721         Add kept_object and kept_shndx parameters.  Change all callers.
8722         (Sized_relobj::get_kept_comdat_section): Change return type to
8723         bool.  Add kept_object and kept_shndx parameters.  Change all
8724         callers.
8725         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8726         Layout::find_or_add_kept_section.
8727
8728 2009-07-09  Ian Lance Taylor  <iant@google.com>
8729
8730         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8731         Reserve space in the hash table.
8732
8733 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8734
8735         * fileread.cc (File_read::get_mtime): New method.
8736         * fileread.h (Timespec): New structure.
8737         (File_read::get_mtime): New method.
8738         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8739         Renamed from timestamp_nsec.
8740         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8741         Elf_Xword.
8742         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8743         timestamp_nsec.
8744         (Incremental_inputs::report_archive): Save mtime; style fix.
8745         (Incremental_inputs::report_obejct): Save mtime; style fix.
8746         (Incremental_inputs::report_script): Save mtime; style fix.
8747         (Incremental_inputs::finalize_inputs): Style fix.
8748         (Incremental_inputs::finalize): Style fix.
8749         (Incremental_inputs::create_input_section_data): Store inputs
8750         mtime.
8751         * incremental.h (Incremental_inputs::report_script): Add mtime
8752         argument.
8753         (Incremental_inputs::Input_info::Input_info): Intialize only one
8754         union member.
8755         (Incremental_inputs::Input_info::archive): Move to nameless
8756         union.
8757         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8758         (Incremental_inputs::Input_info::script): Move to nameless union.
8759         (Incremental_inputs::mtime): New field.
8760         * script.cc (read_input_script): Pass file mtime to
8761         Incremental_input.
8762         * script.h (Script_info::inputs): Style fix.
8763
8764 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8765
8766         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8767         instead of 32.
8768
8769 2009-06-24  Ian Lance Taylor  <iant@google.com>
8770
8771         PR 10156
8772         * layout.cc (Layout::choose_output_section): If we find an
8773         existing section, update the flags.
8774         (Layout::create_notes): New function, broken out of
8775         Layout::finalize.
8776         (Layout::finalize): Don't create note sections.
8777         (Layout::create_note): Don't crash if linker script discards
8778         section.
8779         (Layout::create_gold_note): Likewise.
8780         (Layout::create_build_id): Likewise.  Don't set
8781         after_input_sections on the section.
8782         (Layout::create_executable_stack_info): Remove target parameter.
8783         Change caller.
8784         * layout.h (class Layout): Declare create_notes.  Update
8785         declaration of create_executable_stack_info.
8786         * gold.cc (queue_middle_tasks): Call create_notes.
8787         * output.cc (Output_section::update_flags_for_input_section): Move
8788         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8789         invalid.
8790         * output.h (Output_data::mark_address_invalid): New function.
8791         (class Output_section): Only declare, not define,
8792         update_flags_for_input_section.  Remove set_flags.
8793
8794 2009-06-24  Ian Lance Taylor  <iant@google.com>
8795
8796         * script-sections.cc (Output_section_definition::
8797         set_section_addresses): Rename shadowing local load_address to
8798         laddr.
8799
8800 2009-06-24  Ian Lance Taylor  <iant@google.com>
8801
8802         PR 10244
8803         * reloc.cc (relocate_sections): Skip empty relocation sections.
8804
8805 2009-06-23  Ian Lance Taylor  <iant@google.com>
8806
8807         PR 10156
8808         * layout.cc (Layout::create_note): Use choose_output_section
8809         rather than make_output_section.
8810
8811 2009-06-23  Ian Lance Taylor  <iant@google.com>
8812
8813         PR 10237
8814         * options.cc (General_options::parse_V): Set printed_version_.
8815         (General_options::General_options): Initialize printed_version_.
8816         * options.h (class General_options): Add printed_version_ field.
8817         * gold.cc (queue_initial_tasks): If there are no input files,
8818         don't give a fatal error if we printed the version information.
8819         (queue_middle_tasks): If using -r with a shared object, give a
8820         fatal error rather than an ordinary error.
8821
8822 2009-06-23  Ian Lance Taylor  <iant@google.com>
8823
8824         PR 10219
8825         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8826         (Layout::make_output_section): Set have_stabstr_section_ if we see
8827         a .stab*str section.
8828         (Layout::finalize): Call link_stabs_sections.
8829         (Layout::link_stabs_sections): New file.
8830         * layout.h (class Layout): Add have_stabstr_section_ field.
8831         Declare link_stabs_sections.
8832
8833 2009-06-23  Doug Kwan  <dougkwan@google.com>
8834
8835         * Makefile.am (libgold_a_LIBADD): New.
8836         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8837         * Makefile.in: Regenerate.
8838         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8839         * configure: Regenerate.
8840         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8841         * fileread.cc: Include sys/state.h
8842         * gold.h: Declare memmem and strndup if found missing.
8843         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8844
8845 2009-06-23  Ian Lance Taylor  <iant@google.com>
8846
8847         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8848         * configure: Rebuild.
8849
8850 2009-06-23  Ian Lance Taylor  <iant@google.com>
8851
8852         PR 10147
8853         * object.cc (Object::section_contents): Don't try to get a view if
8854         the section has length zero.
8855         (Object::handle_gnu_warning_section): If the section is empty, use
8856         the name of the section as the warning.
8857
8858 2009-06-23  Ian Lance Taylor  <iant@google.com>
8859
8860         PR 10133
8861         * stringpool.h (class Stringpool_template): Add optimize_ field.
8862         (Stringpool_template::set_optimize): New function.
8863         * stringpool.cc (Stringpool_template::Stringpool_template):
8864         Initialize optimize_ field.
8865         (Stringpool_template::set_string_offsets): Test local optimize
8866         fild rather than parameter.
8867         * layout.cc (Layout::Layout): Call set_optimize on the section
8868         name stringpool.
8869
8870 2009-06-22  Ian Lance Taylor  <iant@google.com>
8871
8872         PR 10030
8873         * yyscript.y: Parse TARGET.
8874         * script.cc (script_set_target): New function.
8875         * script-c.h (script_set_target): Declare.
8876         * options.cc (General_options::string_to_object_format): Rename
8877         from string_to_object_format in anonymous namespace.  Change
8878         callers.
8879         * options.h (class General_options): Declare
8880         string_to_object_format.
8881
8882 2009-06-22  Ian Lance Taylor  <iant@google.com>
8883
8884         * script-sections.cc (Script_sections::create_segments): Don't put
8885         program headers in a PT_LOAD segment if -n or -N.
8886
8887 2009-06-22  Ian Lance Taylor  <iant@google.com>
8888
8889         PR 10141
8890         * options.h (class General_options): Add -z lazy and -z now.  Sort
8891         -z options into alphabetical order.
8892         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8893
8894 2009-06-21  Ian Lance Taylor  <iant@google.com>
8895
8896         * layout.cc (Layout::make_output_section): Call
8897         Target::new_output_section.
8898         (Layout::attach_allocated_section_to_segment): Put large section
8899         sections in a separate load segment with the large segment flag
8900         set.
8901         (Layout::segment_precedes): Sort large data segments after other
8902         load segments.
8903         (align_file_offset): New static function.
8904         (Layout::set_segment_offsets): Use align_file_offset.
8905         * output.h (class Output_section): Add is_small_section_ and
8906         is_large_section_ fields.
8907         (Output_section::is_small_section): New function.
8908         (Output_section::set_is_small_section):  New function.
8909         (Output_section::is_large_section): New function.
8910         (Output_section::set_is_large_section): New function.
8911         (Output_section::is_large_data_section): New function.
8912         (class Output_segment): Add is_large_data_segment_ field.
8913         (Output_segment::is_large_data_segment): New function.
8914         (Output_segment::set_is_large_data_segment): New function.
8915         * output.cc (Output_section::Output_section): Initialize new
8916         fields.
8917         (Output_segment::Output_segment): Likewise.
8918         (Output_segment::add_output_section): Add assertion that large
8919         data sections always go in large data segments.  Force small data
8920         sections to the end of the list of data sections.  Force small BSS
8921         sections to the start of the list of BSS sections.  For large BSS
8922         sections to the end of the list of BSS sections.
8923         * symtab.h (class Symbol): Declare is_common_shndx.
8924         (Symbol::is_defined): Check Symbol::is_common_shndx.
8925         (Symbol::is_common): Likewise.
8926         (class Symbol_table): Define enum Commons_section_type.  Update
8927         declarations.  Add small_commons_ and large_commons_ fields.
8928         * symtab.cc (Symbol::is_common_shndx): New function.
8929         (Symbol_table::Symbol_table): Initialize new fields.
8930         (Symbol_table::add_from_object): Put small and large common
8931         symbols in the right list.
8932         (Symbol_table::sized_finalized_symbol): Check
8933         Symbol::is_common_shndx.
8934         (Symbol_table::sized_write_globals): Likewise.
8935         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8936         common symbol lists.  Don't call do_allocate_commons_list if the
8937         list is empty.
8938         (Symbol_table::do_allocate_commons_list): Remove is_tls
8939         parameter.  Add comons_section_type parameter.  Change all
8940         callers.  Handle small and large common symbols.
8941         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8942         Symbol::is_common_shndx.
8943         * resolve.cc (symbol_to_bits): Likewise.
8944         * target.h (Target::small_common_shndx): New function.
8945         (Target::small_common_section_flags): New function.
8946         (Target::large_common_shndx): New function.
8947         (Target::large_common_section_flags): New function.
8948         (Target::new_output_section): New function.
8949         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8950         small_common_section_flags, and large_common_section_flags
8951         fields.
8952         (Target::do_new_output_section): New virtual function.
8953         * arm.cc (Target_arm::arm_info): Initialize new fields.
8954         * i386.cc (Target_i386::i386_info): Likewise.
8955         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8956         Likewise.
8957         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8958         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8959         (Target_x86_64::do_new_output_section): New function.
8960         * configure.ac: Define conditional MCMODEL_MEDIUM.
8961         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8962         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8963         (large_LDFLAGS): Define.
8964         * testsuite/large.c: New file.
8965         * testsuite/testfile.cc (Target_test::test_target_info):
8966         Initialize new fields.
8967         * configure, testsuite/Makefile.in: Rebuild.
8968
8969 2009-06-05  Doug Kwan  <dougkwan@google.com>
8970
8971         * Makefile.am (CCFILES): Add target.cc.
8972         * Makefile.in: Regenerate.
8973         * i386.cc (class Target_i386): Define new virtual method to
8974         override do_is_local_label_name in parent.
8975         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8976         local symbols if --discard-locals or -X is given.
8977         * options.h (class General_options): Declare new options
8978         '--discard-locals' and '-X' for discarding locals.
8979         * target.h (class Target): Define new methods is_local_label_name.
8980         Declare new virtual method do_is_local_label_name.
8981         * target.cc: New file.
8982         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8983         (check_SCRIPTS): Add discard_locals_test.sh.
8984         (check_DATA): Add discard_local_tests.syms.
8985         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8986         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8987         * testsuite/Makefile.in: Regenerate.
8988         * testsuite/discard_locals_test.c: New file.
8989         * testsuite/discard_locals_test.sh: Same.
8990
8991 2009-06-05  Doug Kwan  <dougkwan@google.com>
8992
8993         * object.cc (Sized_relobj::Sized_relobj): Initialize
8994         discarded_eh_frame_shndx_ to -1U.
8995         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8996         section.
8997         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8998         a discarded .eh_frame section.
8999         (Sized_relobj::do_finalize_local_symbols): Ditto.
9000         * object.h (class Sized_relobj): Declare new member
9001         discarded_eh_frame_shndx_.
9002         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9003         (local_labels_test.o, local_labels_test): New rules.
9004         * testsuite/Makefile.in: Regenerate.
9005
9006 2009-06-04  Doug Kwan  <dougkwan@google.com>
9007
9008         * layout.cc (Layout::section_name_mapping): Add mapping for
9009         special ARM sections.
9010
9011 2009-06-03  Doug Kwan  <dougkwan@google.com>
9012
9013         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9014         (utils::has_overflow): Same.
9015
9016 2009-06-03  Ian Lance Taylor  <iant@google.com>
9017
9018         * layout.cc (Layout::section_name_mapping): New array, replacing
9019         Layout::linkonce_mapping.
9020         (Layout::section_name_mapping_count): New variable, replacing
9021         Layout::linkonce_mapping_count.
9022         (Layout::linkonce_output_name): Remove.
9023         (Layout::output_section_name): Rewrite.
9024         * layout.h (class Layout): Rename Linkonce_mapping to
9025         Section_name_mapping, linkonce_mapping to section_name_mapping,
9026         linkonce_mapping_count to section_name_mapping_count.  Don't
9027         declare linkonce_output_name.
9028
9029 2009-06-03  Doug Kwan  <dougkwan@google.com>
9030
9031         * gold/arm.cc (namespace utils): New.
9032         (Target_arm::reloc_is_non_pic): Define new method.
9033         (class Arm_relocate_functions): New.
9034         (Target_arm::Relocate::relocate): Handle relocation types used by
9035         Android.
9036
9037 2009-06-03  Ian Lance Taylor  <iant@google.com>
9038
9039         * arm.cc (Target_arm::scan::global): Use || instead of |.
9040
9041 2009-06-02  Doug Kwan  <dougkwan@google.com>
9042
9043         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9044         issued_non_pic_error_.
9045         (class Target_arm::Scan): Declare new method check_non_pic.
9046         Define new method symbol_needs_plt_entry.
9047         Declare new data member issued_non_pic_error_.
9048         (class Target_arm::Relocate): Declare new method
9049         should_apply_static_reloc.
9050         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9051         (Target_arm::Scan::check_non_pic): Define new method.
9052         (Target_arm::Scan::local): Handle a small subset of reloc types used
9053         by Android.
9054         (Target_arm::Scan::local): Same.
9055         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9056
9057 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9058
9059         * incremental.cc (Incremental_inputs::report_command_line): Filter
9060         out --incremental-* options.
9061
9062 2009-05-29  Doug Kwan  <dougkwan@google.com>
9063
9064         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9065         template class.
9066         (class Target_arm): Update comment.
9067         (Target_arm::Target_arm): Initialize new data members GOT_,
9068         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9069         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9070         and Target_arm::rel_dyn_section.
9071         Declare new_enum Target_arm::Got_type.
9072         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9073         and DYNBSS_.
9074         Update commments for member do_dynsym_value.
9075         (Target_arm::got_size, Target_arm::plt_section,
9076         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9077         new methods inside class defintion.
9078         (Target_arm::got_section): Define new method.
9079         (Target_arm::rel_dyn_section): Same.
9080         (Output_data_plt_arm): New template class.
9081         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9082         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9083         (Output_data_plt_arm::add_entry): Same.
9084         (Output_data_plt_arm::first_plt_entry): Define new
9085         static data member for PLT instruction template.
9086         (Output_data_plt_arm::plt_entry): Same.
9087         (Output_data_plt_arm::do_write): Define new method.
9088         (Target_arm::make_plt_entry): Same.
9089         (Target_arm::do_finalize_sections): Same.
9090         (Target_arm::do_dynsym_value): Same.
9091
9092 2009-05-28  Doug Kwan  <dougkwan@google.com>
9093
9094         * Makefile.am (TARGETSOURCES): Add arm.cc.
9095         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9096         * Makefile.in: Regenerate.
9097         * arm.cc: New file.
9098         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9099
9100 2009-05-26  Doug Kwan  <dougkwan@google.com>
9101
9102         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9103         (General_options::check_excluded_libs): Strip off directories in
9104         archive name before matching like GNU ld does.
9105         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9106         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9107         (exclude_libs_test_LDFLAGS): Add linker option
9108         -Wl,--exclude-libs,libexclude_libs_test_3
9109         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9110         an explicit archive without using -l.
9111         (alt/libexclude_libs_test_3.a): New make rule.
9112         * testsuite/Makefile.in: Regenerate.
9113         * testsuite/exclude_libs_test.c : Declare lib3_default().
9114         (main): Call it.
9115         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9116         * exclude_libs_test_3.c: New file.
9117
9118 2009-05-26  Nick Clifton  <nickc@redhat.com>
9119
9120         * po/id.po: New Indonesian translation.
9121         * po/gold.pot: Updated template file.
9122
9123 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9124
9125         * testsuite/Makefile.am: Add -ffunction-sections to compile
9126         gc_comdat_test files.  Add -Wl,--gc-sections to build
9127         gc_comdat_test.
9128         * testsuite/Makefile.in: Regenerate.
9129         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9130
9131 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9132
9133         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9134         kept comdat section was garbage collected.
9135         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9136         * testsuite/Makefile.in: Regenerate.
9137         * testsuite/gc_comdat_test.sh: New file.
9138         * testsuite/gc_comdat_test_1.cc: New file.
9139         * testsuite/gc_comdat_test_2.cc: New file.
9140
9141 2009-05-19  Doug Kwan  <dougkwan@google.com>
9142
9143         * archive.cc (Archive::Archive): Move constructor from archive.h
9144         to here.  Initialize no_export_.
9145         (Archive::get_elf_object_for_member): Set no_export flag of object.
9146         * archive.h (Archive::Archive): Move constructor body to
9147         archive.cc.
9148         (Archive::no_export): New method.
9149         (Archive::no_export_): New field.
9150         * object.h (Object::Object): Initialize no_export_ to false.
9151         (Object::no_export, Object::set_no_export): New methods.
9152         (Object::no_export_): New field.
9153         * options.cc (General_options::parse_exclude_libs): New method.
9154         (General_options::check_excluded_libs) Same.
9155         * options.h (exclude_libs): New option.
9156         (General_options::check_excluded_libs): New method declaration.
9157         (General_options::excluded_libs_): New field.
9158         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9159         default or protected visibility if an object has no-export flag set.
9160         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9161         (check_SCRIPTS): Add exclude_libs_test.sh.
9162         (check_DATA): Add exclude_libs_test.syms.
9163         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9164         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9165         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9166         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9167         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9168         libexclude_libs_test_2.a): New rules.
9169         * testsuite/Makefile.in: Regenerate.
9170         * testsuite/exclude_libs_test.c: New file.
9171         * testsuite/exclude_libs_test.sh: Ditto.
9172         * testsuite/exclude_libs_test_1.c: Ditto.
9173         * testsuite/exclude_libs_test_2.c: Ditto.
9174
9175 2009-05-15  Ian Lance Taylor  <iant@google.com>
9176
9177         * configure.ac: Check for declarations for cases where libiberty.h
9178         checks HAVE_DECL_xxx.
9179         * configure, config.in: Rebuild.
9180
9181 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9182
9183         * gold.h (Incremental_argument_list): Remove (invalid) forward
9184         declaration.
9185         * incremental.cc (Incremental_inputs::report_achive): New method.
9186         (Incremental_inputs::report_object): New method.
9187         (Incremental_inputs::report_script): New method.
9188         (Incremental_inputs::finalize_inputs): New method.
9189         (Incremental_inputs::finalize): Call finalize_inputs().
9190         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9191         Create inputs entries.
9192         * incremental.h (Incremental_input_type): New enum.
9193         (Incremental_inputs::Incremental_input): Initialize new fields.
9194         (Incremental_inputs::report_inputs): New method.
9195         (Incremental_inputs::report_achive): New method.
9196         (Incremental_inputs::report_object): New method.
9197         (Incremental_inputs::report_script): New method.
9198         (Incremental_inputs::finalize_inputs): New method.
9199         (Incremental_inputs::Input_info): New struct.
9200         (Incremental_inputs::Input_info_map): New typedef.
9201         (Incremental_inputs::lock_): New field.
9202         (Incremental_inputs::Inputs_): New field.
9203         (Incremental_inputs::Inputs_map): New field.
9204         * main.cc (main): Call Incremental_input::report_inputs.
9205         * options.h (Input_argument_list): Typedef moved from
9206         Input_arguments.
9207         (Input_file_group::Files): Remove, use ::Input_argument_list.
9208         (Input_file_group::Input_argument_list): Remove, use
9209         ::Input_argument_list.
9210         * plugin.cc (Plugin_manager::add_input_file): Add error in
9211         incremental build.
9212         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9213         functions.
9214         * script.cc (read_input_script): Call
9215         Incremental_input::report_script.
9216         * script.h (Script_info): New class.
9217
9218 2009-04-27  Ian Lance Taylor  <iant@google.com>
9219
9220         * x86_64.cc (do_adjust_output_section): Set entsize to
9221         plt_entry_size.
9222
9223 2009-04-23  Elliott Hughes  <enh@google.com>
9224
9225         * output.cc (Output_file::close): After short writes, continue
9226         writing from the correct offset in the buffer being written.
9227
9228 2009-04-23  Chris Demetriou  <cgd@google.com>
9229
9230         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9231         * configure: Regenerate.
9232         * config.in: Regenerate.
9233         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9234         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9235
9236 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9237
9238         * incremental.cc (Incremental_inputs_header_data): Renamed from
9239         Incremental_input_header_data.
9240         (Incremental_inputs_header_data::data_size): New field.
9241         (Incremental_inputs_header_data::put_input_file_count): Renamed
9242         from input_file_count.
9243         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9244         from command_line_offset.
9245         (Incremental_inputs_header_data::put_reserved): Renamed from
9246         put_reserved.
9247         (Incremental_inputs_entry_data): Renamed from
9248         Incremental_input_entry_data.
9249         (Incremental_inputs_entry_data::data_size): New field.
9250         (Incremental_inputs::report_command_line): New method.
9251         (Incremental_inputs::finalize): New method.
9252         (Incremental_inputs::create_incremental_inputs_data): New method.
9253         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9254         * incremental.h: New file.
9255         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9256        (Layout::finalize): Create incremental inputs section in
9257         incremental builds.
9258        (Layout::create_incremental_info_sections): New method.
9259         * layout.h (Layout::incremental_inputs): New method.
9260        (Layout::create_incremental_info_sections): New method.
9261        (Layout::incremental_inputs_): New field.
9262         * main.cc (main): Notify Incremental_input of the command line.
9263
9264 2009-04-01  Ian Lance Taylor  <iant@google.com>
9265             Mikolaj Zalewski  <mikolajz@google.com>
9266
9267         * gold.h (reserve_unordered_map): Define, three versions, one for
9268         each version of Unordered_map.
9269         * layout.cc (Layout::Layout): Remove options parameter.  Add
9270         number_of_input_files parameter.  Don't initialize options_.
9271         Initialize number_of_input_files_ and resized_signatures_.  Move
9272         sections_are_attached_.
9273         (Layout::layout_group): Reserve space for group_signatures_.
9274         (Layout::find_or_add_kept_section): Change name parameter to be a
9275         reference.  Resize signatures_ map when it gets large enough.
9276         (Layout::layout_eh_frame): Use parameters->options() instead of
9277         this->options_.
9278         (Layout::make_output_section): Likewise.
9279         (Layout::attach_allocated_section_to_segment): Likewise.
9280         (Layout::finalize, Layout::create_executable_stack): Likewise.
9281         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9282         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9283         * layout.h (class Layout): Update declarations.  Remove options_
9284         field.  Add number_of_input_files_ and resized_signatures_
9285         fields.  Move sections_are_attached_ field.
9286         * main.cc (main): Pass number of input files to Layout
9287         constructor.  Don't pass options.
9288
9289 2009-03-30  Ian Lance Taylor  <iant@google.com>
9290
9291         * ffsll.c (ffsll): Correct implementation.
9292
9293 2009-03-27  Ian Lance Taylor  <iant@google.com>
9294
9295         * ffsll.c: New file.
9296         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9297         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9298         * ftruncate.c (ftruncate): Declare before definition.
9299         * mremap.c (mremap): Likewise.
9300         * pread.c (pread): Likewise.
9301         * configure, Makefile.in, config.in: Rebuild.
9302
9303         * mremap.c: New file.
9304         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9305         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9306         (mremap): Declare if HAVE_MREMAP is not defined.
9307         * configure, Makefile.in, config.in: Rebuild.
9308
9309 2009-03-27  Cary Coutant  <ccoutant@google.com>
9310
9311         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9312         position independent.
9313         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9314         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9315
9316 2009-03-24  Cary Coutant  <ccoutant@google.com>
9317
9318         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9319         an executable.
9320         (needs_dynamic_reloc): Likewise.
9321
9322 2009-03-24  Ian Lance Taylor  <iant@google.com>
9323
9324         * yyscript.y (file_cmd): Recognize EXTERN.
9325         (extern_name_list, extern_name_list_body): New nonterminals.
9326         * script.cc (script_add_extern): Define.
9327         * script-c.h (script_add_extern): Declare.
9328
9329 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9330
9331         * object.cc (is_elf_object): Define.
9332         * object.h (is_elf_object): Declare.
9333         * archive.cc (Archive::get_elf_object_for_member): Call
9334         is_elf_object.
9335         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9336
9337 2009-03-24  Elliott Hughes  <enh@google.com>
9338
9339         * output.cc (Output_file::map_anonymous): Define.
9340         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9341         try an anonymous one.  Report the size if the mmap fails.
9342         * output.h (class Output_file): Declare map_anonymous.
9343
9344 2009-03-24  Ian Lance Taylor  <iant@google.com>
9345
9346         * target-select.cc (instantiate_target): Don't acquire the lock if
9347         the instantiated_target_ field has already been set.
9348
9349 2009-03-23  Ian Lance Taylor  <iant@google.com>
9350
9351         * gold-threads.h (class Initialize_lock): Define.
9352         * gold-threads.cc (class Initialize_lock_once): Define.
9353         (initialize_lock_control): New static variable.
9354         (initialize_lock_pointer): New static variable.
9355         (initialize_lock_once): New static function.
9356         (Initialize_lock::Initialize_lock): Define.
9357         (Initialize_lock::initialize): Define.
9358         * target-select.h: Include "gold-threads.h".
9359         (class Target_selector): Add lock_ and initialize_lock_ fields.
9360         Don't define instantiate_target, just declare it.
9361         * target-select.cc (Target_selector::Target_selector): Initialize
9362         new fields.
9363         (Target_selector::instantiate_target): Define.
9364         * descriptors.h: Include "gold-threads.h".
9365         (class Descriptors): Add initialize_lock_ field.
9366         * descriptors.cc (Descriptors::Descriptors): Initialize new
9367         field.
9368         (Descriptors::open): Use initialize_lock_ field
9369         * errors.h (class Errors): Add initialize_lock_ field.
9370         * errors.cc (Errors::Errors): Initialize new field.
9371         (Errors::initialize_lock): Use initialize_lock_ field.
9372         * powerpc.cc (class Target_selector_powerpc): Remove
9373         instantiated_target_ field.  In do_recognize call
9374         instantiate_target rather than do_instantiate_target.  In
9375         do_instantiate_target just allocate a new target.
9376         * sparc.cc (class Target_selector_sparc): Likewise.
9377
9378         * freebsd.h: New file.
9379         * i386.cc: Include "freebsd.h".
9380         (Target_i386): Derive from Target_freebsd rather than
9381         Sized_target.
9382         (Target_selector_i386): Derive from Target_selector_freebsd rather
9383         than Target_selector.
9384         * x86_64.cc: Include "freebsd.h".
9385         (Target_x86_64): Derive from Target_freebsd rather than
9386         Sized_target.
9387         (Target_selector_x86_64): Derive from Target_selector_freebsd
9388         rather than Target_selector.
9389         * target.h (class Target): Add adjust_elf_header and
9390         do_adjust_elf_header.
9391         * output.cc (Output_file_header:: do_sized_write): Call target
9392         adjust_elf_header routine.
9393         * configure.tgt: Set targ_osabi.
9394         * configure.ac: Define GOLD_DEFAULT_OSABI.
9395         * parameters.cc (Parameters::default_target): Pass
9396         GOLD_DEFAULT_OSABI to select_target.
9397         * target-select.h (class Target_selector): Make instantiate_target
9398         protected rather than private.
9399         * Makefile.am (HFILES): Add freebsd.h.
9400         * configure, Makefile.in, config.in: Rebuild.
9401
9402         * merge.cc (do_add_input_section): Correct pend value.  Change
9403         message about last entry not being null terminated from error to
9404         warning.
9405
9406 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9407
9408         * incremental.cc: New file.
9409         * Makefile.am (CCFILES): Add incremental.cc.
9410         * Makefile.in: Rebuild.
9411
9412 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9413
9414         * layout.cc (Layout::output_section_name): Preserve names
9415         of '.note.' sections.
9416
9417 2009-03-19  Ian Lance Taylor  <iant@google.com>
9418
9419         * descriptors.cc (Descriptors::open): Check that the options are
9420         valid before using them.
9421
9422 2009-03-18  Ian Lance Taylor  <iant@google.com>
9423
9424         * script-sections.h: Include <list>.
9425         (class Script_sections): Change Sections_elements from std::vector
9426         to std::list.  Typedef public Elements_iterator.  Add
9427         orphan_section_placement_, data_segment_align_start_, and
9428         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9429         field.
9430         * script-sections.cc (class Orphan_section_placement): New class.
9431         (class Sections_element): Add virtual functions is_relro and
9432         orphan_section_init.  Remove virtual function place_orphan_here.
9433         (class Output_section_definition): Add is_relro and
9434         orphan_section_init.  Remove place_orphan_here.
9435         (class Orphan_output_section): Likewise.
9436         (Script_sections::Script_sections): Update for field changes.
9437         (Script_sections::data_segment_align): Set saw_data_segment_align_
9438         and data_segment_align_start_, not data_segment_align_index.
9439         (Script_sections::data_segment_relro_end): Check
9440         saw_data_segment_align_.  Use data_segment_align_start_ rather
9441         than data_segment_align_index_.
9442         (Script_sections::place_orphan): Rewrite to use
9443         Orphan_section_placement.
9444
9445 2009-03-17  Ian Lance Taylor  <iant@google.com>
9446
9447         * archive.cc (Archive::add_symbols): Check for a version attached
9448         to the symbol name in the archive map.
9449         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9450         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9451         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9452         (ver_test_11.a): New target.
9453         * testsuite/Makefile.in: Rebuild.
9454
9455         * configure.ac: Check for chsize and posix_fallocate.  Replace
9456         ftruncate.
9457         * ftruncate.c: New file, from gnulib.
9458         * output.cc (posix_fallocate): Define dummy version if not
9459         HAVE_POSIX_FALLOCATE.
9460         (Output_file::map): Call posix_fallocate rather than lseek and
9461         write.
9462         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9463         * configure, Makefile.in, config.in: Rebuild.
9464
9465 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9466
9467         * layout.h (Layout::create_note): Add section_name parameter.
9468         * layout.cc (Layout::create_note): Likewise.
9469         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9470
9471 2009-03-17  Ian Lance Taylor  <iant@google.com>
9472
9473         * descriptors.cc: Include "options.h".
9474         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9475         (Descriptors::open): Always use O_CLOEXEC when opening a new
9476         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9477         then set FD_CLOEXEC.
9478
9479         * sparc.cc (class Target_sparc): Add has_got_section.
9480         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9481         make sure we have a GOT section.
9482
9483         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9484         (Target_sparc::Scan::local): Likewise.
9485         (Target_sparc::Scan::global): Likewise.
9486         (Target_sparc::Relocate::relocate): Likewise.
9487         (Target_sparc::Relocate::relocate_tls): Likewise.
9488
9489         * symtab.cc (Symbol_table::define_default_version): New function,
9490         broken out of add_from_object.
9491         (Symbol_table::add_from_object): Call define_default_version.
9492         (Symbol_table::define_special_symbol): Add resolve_oldsym
9493         parameter.  Change all callers.  If the version for a symbol comes
9494         from a version script, resolve it with the symbol with the same
9495         name with no version.  Also add the symbol without a version if
9496         appropriate.
9497         (do_define_in_output_data): If resolving with oldsym, don't delete
9498         sym.
9499         (do_define_in_output_segment): Likewise.
9500         (do_define_as_constant): Likewise.
9501         * symtab.h (class Symbol_table): Update declarations.
9502
9503 2009-03-13  Ian Lance Taylor  <iant@google.com>
9504
9505         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9506         (Read_symbols::requeue): New function.
9507         (Read_symbols::do_read_symbols): If make_elf_object fails because
9508         the target type is not configured, and the file was searched for,
9509         issue a warning and retry with the next directory.
9510         (Add_symbols::run): If the file has an incompatible format, and
9511         it was searched for, requeue the Read_symbols task.  On error,
9512         release the object.
9513         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9514         dirindex parameter to constructor.  Change all callers.  Declare
9515         incompatible_warning and requeue.
9516         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9517         input_argument_ and input_group_ fields.  Add them to
9518         constructor.  Change all callers.
9519         (class Read_script): Add dirindex_ field.  Add it to constructor.
9520         Change all callers.
9521         * archive.cc (Archive::setup): Remove input_objects parameter.
9522         Change all callers.
9523         (Archive::get_file_and_offset): Likewise.
9524         (Archive::read_all_symbols): Likewise.
9525         (Archive::read_symbols): Likewise.
9526         (Archive::get_elf_object_for_member): Remove input_objects
9527         parameter.  Add punconfigured parameter.  Change all callers.
9528         (Archive::add_symbols): Change return type to bool.  Check return
9529         value of include_member.
9530         (Archive::include_all_members): Likewise.
9531         (Archive::include_member): Change return type to bool.  Return
9532         false if first included object has incompatible target.  Set
9533         included_member_ field.
9534         (Add_archive_symbols::run): If add_symbols returns false, requeue
9535         Read_symbols task.
9536         * archive.h (class Archive): Add included_member_ field.
9537         Initialize it in constructor.  Add input_file and searched_for
9538         methods.  Update declarations.
9539         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9540         input_argument_ fields.  Add them to constructor.  Change all
9541         callers.
9542         * script.cc: Include "target-select.h".
9543         (class Parser_closure): Add skip_on_incompatible_target_ and
9544         found_incompatible_target_ fields.  Add
9545         skip_on_incompatible_target parameter to constructor.  Change all
9546         callers.  Add methods skip_on_incompatible_target,
9547         clear_skip_on_incompatible_target, found_incompatible_target, and
9548         set_found_incompatible_target.
9549         (read_input_script): Add dirindex parameter.  Change all callers.
9550         If parser finds an incompatible target, requeue Read_symbols
9551         task.
9552         (script_set_symbol): Clear skip_on_incompatible_target in
9553         closure.
9554         (script_add_assertion, script_parse_option): Likewise.
9555         (script_start_sections, script_add_phdr): Likewise.
9556         (script_check_output_format): New function.
9557         * script.h (read_input_script): Update declaration.
9558         * script-c.h (script_check_output_format): Declare.
9559         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9560         (ignore_cmd): Remove OUTPUT_FORMAT.
9561         * fileread.cc (Input_file::Input_file): Add explicit this.
9562         (Input_file::will_search_for): New function.
9563         (Input_file::open): Add pindex parameter.  Change all callers.
9564         * fileread.h (class Input_file): Add input_file_argument method.
9565         Declare will_search_for.  Update declarations.
9566         * object.cc (make_elf_object): Add punconfigured parameter.
9567         Change all callers.
9568         * object.h (class Object): Make input_file public.  Add
9569         searched_for method.
9570         (make_elf_object): Update declaration.
9571         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9572         restart search.
9573         * dirsearch.h (class Dirsearch): Update declaration.
9574         * options.h (class General_options): Add --warn-search-mismatch.
9575         * parameters.cc (Parameters::is_compatible_target): New function.
9576         * parameters.h (class Parameters): Declare is_compatible_target.
9577         * workqueue.cc (Workqueue::add_blocker): New function.
9578         * workqueue.h (class Workqueue): Declare add_blocker.
9579
9580         * fileread.cc (Input_file::open): Remove options parameter.
9581         Change all callers.
9582         (Input_file::open_binary): Likewise.
9583         * script.cc (read_input_script): Likewise.
9584         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9585         options parameter from constructor.  Change all callers.
9586         (class Read_script): Likewise.
9587         * fileread.h (class Input_file): Update declarations.
9588         * script.h (read_input_script): Update declaration.
9589
9590 2009-03-10  Nick Clifton  <nickc@redhat.com>
9591
9592         * po/es.po: New Spanish translation.
9593
9594 2009-03-06  Cary Coutant  <ccoutant@google.com>
9595
9596         * options.cc (parse_short_option): Keep dash_z from registering itself.
9597
9598 2009-03-03  Ian Lance Taylor  <iant@google.com>
9599
9600         PR 9918
9601         * target-reloc.h (relocate_section): Pass output_section to
9602         relocate.
9603         * i386.cc (Target_i386::should_apply_static_reloc): Add
9604         output_section parameter.  Change all callers.
9605         (Target_i386::Relocate::relocate): Add output_section parameter.
9606         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9607         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9608         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9609         * testsuite/two_file_shared.sh: New script.
9610         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9611         (check_DATA): Add two_file_shared.dbg.
9612         (two_file_shared.dbg): New target.
9613         * testsuite/Makefile.in: Rebuild.
9614
9615 2009-03-01  Ian Lance Taylor  <iant@google.com>
9616
9617         * configure.ac: Check for byteswap.h.
9618         * configure: Rebuild.
9619         * config.in: Rebuild.
9620
9621 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9622
9623         * layout.cc (Layout::find_or_add_kept_section): New function.
9624         (Layout::add_comdat): Removed.
9625         * layout.h (struct Kept_section): Move out of class Layout.
9626         Remove trailing underscores from field names.  Add group_sections
9627         field.  Rename group_ field to is_group.  Change all uses.
9628         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9629         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9630         comdat_groups_ field.
9631         (Sized_relobj::include_section_group): Use
9632         find_or_add_kept_section and Kept_section::group_sections.
9633         (Sized_relobj::include_linkonce_section): Likewise.
9634         * object.cc (class Sized_relobj): Don't define Comdat_group or
9635         Comdat_group_table.  Remove find_comdat_group and
9636         add_comdat_group.  Remove comdat_groups_ field.
9637         * plugin.cc (include_comdat_group): Use
9638         Layout::find_or_add_kept_section.
9639
9640 2009-02-28  Ian Lance Taylor  <iant@google.com>
9641
9642         * README: --gc-sections and map files are now supported.  Document
9643         some build requirements.
9644
9645         PR 6992
9646         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9647         relocatable link set the value of the section symbol to zero.
9648         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9649         relocatable link don't include the section address in the local
9650         symbol value.
9651
9652 2009-02-27  Ian Lance Taylor  <iant@google.com>
9653
9654         PR 6811
9655         * options.h (class Search_directory): Add is_system_directory.
9656         (class General_options): Declare is_in_system_directory.
9657         * options.cc (get_relative_sysroot): Make static.
9658         (get_default_sysroot): Make static.
9659         (General_optoins::is_in_system_directory): New function.
9660         * fileread.cc (Input_file::is_in_system_directory): New function.
9661         * fileread.h (class Input_file): Declare is_in_system_directory.
9662         * object.h (class Object): Add is_in_system_directory.
9663         (class Input_objects): Remove system_library_directory_ field.
9664         * object.cc (Input_objects::add_object): Don't set
9665         system_library_directory_.
9666         (input_objects::found_in_system_library_directory): Remove.
9667         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9668         parameter.  Change all callers.
9669         (Symbol_table::sized_write_globals): Likewise.
9670         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9671         Call Object::is_in_system_directory.
9672         * symtab.h (class Symbol_table): Update declarations.
9673
9674         PR 5990
9675         * descriptors.h (Open_descriptor): Add is_on_stack field.
9676         * descriptors.cc (Descriptors::open): If the descriptor is on the
9677         top of the stack, remove it.  Initialize is_on_stack field.
9678         (Descriptors::release): Only add pod to stack if it is not on the
9679         stack already.
9680         (Descriptors::close_some_descriptor): Clear stack_next and
9681         is_on_stack fields.
9682
9683         PR 7091
9684         * output.cc (Output_section::find_starting_output_address): Rename
9685         from starting_output_address; add PADDR parameter; change return
9686         type.
9687         * output.h (class Output_section): Declare
9688         find_starting_output_address instead of starting_output_address.
9689         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9690         section symbol for which we can't find a merge section.
9691
9692         PR 9836
9693         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9694         hidden or internal, force the symbol to be local.
9695         * resolve.cc (Symbol::override_visibility): Define.
9696         (Symbol::override_base): Use override_visibility.
9697         (Symbol_table::resolve): Likewise.
9698         (Symbol::override_base_with_special): Likewise.
9699         (Symbol_table::override_with_special): If the visibility is hidden
9700         or internal, force the symbol to be local.
9701         * symtab.h (class Symbol): Add set_visibility and
9702         override_visibility.
9703         * testsuite/ver_test_1.sh: New file.
9704         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9705         (check_DATA): Add ver_test_1.syms.
9706         (ver_test_1.syms): New target.
9707         * testsuite/Makefile.in: Rebuild.
9708
9709 2009-02-25  Cary Coutant  <ccoutant@google.com>
9710
9711         * layout.cc (Layout::choose_output_section): Don't rename sections
9712         when using a linker script that has a SECTIONS clause.
9713         * Makefile.in: Regenerate.
9714
9715         * testsuite/Makefile.am (script_test_5.sh): New test case.
9716         * testsuite/Makefile.in: Regenerate.
9717         * testsuite/script_test_5.cc: New file.
9718         * testsuite/script_test_5.sh: New file.
9719         * testsuite/script_test_5.t: New file.
9720
9721 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9722
9723         * archive.cc (Archive::include_member): Update calls to add_symbols.
9724         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9725         the Layout argument.
9726         * dynobj.h (do_add_symbols): Add the Layout argument.
9727         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9728         Layout argument.
9729         * object.h (Object::add_symbols): Add the Layout argument.
9730         (Object::do_add_symbols): Add the Layout argument.
9731         (Sized_relobj::do_add_symbols): Add the Layout argument.
9732         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9733         Unify the two versions.
9734         (Add_plugin_symbols): Remove.
9735         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9736         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9737         (Add_plugin_symbols): Remove.
9738         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9739         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9740         (Add_symbols::run): Make it work with Pulginobj.
9741
9742 2009-02-06  Ian Lance Taylor  <iant@google.com>
9743
9744         * object.cc (Sized_relobj::do_layout): Make info message start
9745         with lower case letter.
9746
9747 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9748
9749         * binary.cc: Fix file comment.
9750
9751         * options.h (enum Incremental_disposition): Define.
9752         (class General_options): Add new options: --incremental,
9753         --incremental_changed, --incremental_unchanged,
9754         --incremental_unknown.  Add incremental_disposition_ and
9755         implicit_incremental_ fields.
9756         (General_options::incremental_disposition): New function.
9757         (class Position_dependent_options): Add incremental_disposition
9758         option.
9759         (Position_dependent_options::copy_from_options): Set incremental
9760         dispositions.
9761         * options.cc (General_options::parse_incremental_changed): New
9762         function.
9763         (General_options::parse_incremental_unchanged): New function.
9764         (General_options::parse_incremental_unknown): New function.
9765         (General_options::General_options): Initialize new fields
9766         incremental_disposition_ and implicit_incremental_.
9767         (General_options::finalize): Check for uasge of --incremental-*
9768         without --incremental.
9769
9770 2009-02-06  Chris Demetriou  <cgd@google.com>
9771
9772         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9773         pointer and to report location as the file name associated with
9774         the symbol.
9775         (gold_undefined_symbol_at_location): New function to replace the
9776         old gold_undefined_symbol functionality.
9777         * target-reloc.h (relocate_section): Update to use
9778         gold_undefined_symbol_at_location.
9779         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9780         Call gold_undefined_symbol function rather than gold_error.
9781         * errors.h (Errors::undefined_symbol): Take location as a
9782         string, rather than calculating it from a relocation.
9783         * errors.cc (Errors::fatal): Print "fatal error:" before the
9784         formatted message.
9785         (Errors::error, Errors::error_at_location): Print "error: "
9786         before the formatted message.
9787         (Errors::undefined_symbol): Take location as a string, rather
9788         than calculating it from a relocation.
9789         (gold_undefined_symbol_at_location): New function akin to
9790         old gold_undefined_symbol, calculates location from relocation.
9791         (gold_undefined_symbol): Change to take only a Symbol pointer
9792         and to report location as the file name associated with the symbol.
9793         * testsuite/debug_msg.sh: Update for changed error messages.
9794         * testsuite/undef_symbol.sh: Likewise.
9795
9796 2009-02-04  Duncan Sands  <baldrick@free.fr>
9797
9798         PR 9812
9799         * reduced_debug_output.h
9800         (Output_reduced_debug_abbrev_section::failed): Use format for
9801         gold_warning.
9802         (Output_reduced_debug_info_section::faild): Likewise.
9803
9804 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9805
9806         * script.cc (Lazy_demangler): New class.
9807         (Version_script_info::get_symbol_version_helper): Demangle a
9808         symbol only once.
9809
9810 2009-01-29  Cary Coutant  <ccoutant@google.com>
9811
9812         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9813         to __tls_get_addr.
9814         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9815
9816 2009-01-28  Ian Lance Taylor  <iant@google.com>
9817
9818         * version.cc (version_string): Bump to 1.9.
9819
9820         * gold.h: Include <cstring> and <stdint.h>.
9821         * version.cc: Include <cstdio>.
9822         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9823         warning.
9824         * reduced_debug_output.cc (insert_into_vector): Rename from
9825         Insert_into_vector; change all callers.  Use Swap_unaligned to
9826         avoid aliasing issue; remove union since it is unnecessary.
9827
9828 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9829
9830         * Makefile.am (CCFILES): Add gc.cc.
9831         (HFILES): Add gc.h.
9832         * Makefile.in: Regenerate.
9833         * gold.cc (Gc_runner): New class.
9834         (queue_initial_tasks): Call garbage collection related tasks
9835         when corresponding options are invoked.
9836         (queue_middle_gc_tasks): New function.
9837         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9838         processed early before laying out sections during garbage collection.
9839         * gold.h (queue_middle_gc_tasks): New function.
9840         (is_prefix_of): Move from "layout.cc".
9841         * i386.cc (Target_i386::gc_process_relocs): New function.
9842         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9843         * main.cc (main): Create object of class "Garbage_collection".
9844         * object.cc (Relobj::copy_symbols_data): New function.
9845         (Relobj::is_section_name_included): New function.
9846         (Sized_relobj::do_layout): Allow this function to be called twice
9847         during garbage collection and defer layout of section during the
9848         first call.
9849         * object.h (Relobj::get_symbols_data): New function.
9850         (Relobj::is_section_name_included): New function.
9851         (Relobj::copy_symbols_data): New function.
9852         (Relobj::set_symbols_data): New function.
9853         (Relobj::get_relocs_data): New function.
9854         (Relobj::set_relocs_data): New function.
9855         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9856         (Relobj::gc_process_relocs): New function.
9857         (Relobj::do_gc_process_relocs): New pure virtual function.
9858         (Relobj::sd_): New data member.
9859         (Sized_relobj::is_output_section_offset_invalid): New function.
9860         (Sized_relobj::do_gc_process_relocs): New function.
9861         * options.h (General_options::gc_sections): Modify to not be a no-op.
9862         (General_options::print_gc_sections): New option.
9863         * plugin.cc (Plugin_finish::run): Remove function call to
9864         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9865         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9866         * reloc.cc (Read_relocs::run): Add task to process relocs and
9867         determine unreferenced sections when doing garbage collection.
9868         (Gc_process_relocs): New class.
9869         (Sized_relobj::do_gc_process_relocs): New function.
9870         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9871         sections that are garbage collected.
9872         * reloc.h (Gc_process_relocs): New class.
9873         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9874         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9875         symbols whose corresponding sections are garbage collected.
9876         (Symbol_table::Symbol_table): Add new parameter for the garbage
9877         collection object.
9878         (Symbol_table::gc_mark_undef_symbols): New function.
9879         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9880         (Symbol_table::gc_mark_dyn_syms): New function.
9881         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9882         as garbage.
9883         (Symbol_table::add_from_object): Likewise.
9884         (Symbol_table::add_from_relobj): When building shared objects, do not
9885         treat externally visible symbols as garbage.
9886         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9887         table information for static and relocatable links.
9888         * symtab.h (Symbol_table::set_gc): New function.
9889         (Symbol_table::gc): New function.
9890         (Symbol_table::gc_mark_undef_symbols): New function.
9891         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9892         (Symbol_table::gc_mark_dyn_syms): New function.
9893         (Symbol_table::gc_): New data member.
9894         * target.h (Sized_target::gc_process_relocs): New pure virtual
9895         function.
9896         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9897         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9898
9899 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9900
9901         * options.h (General_options::gc_sections): Define as a no-op for now.
9902         (General_options::no_keep_memory): Ditto.
9903         (General_options::Bshareable): Define.
9904         * options.cc (General_options::finalize): Honor -Bshareable.
9905
9906 2009-01-20  Andreas Schwab  <schwab@suse.de>
9907
9908         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9909         read the value in the contents, since we don't use it.  Use the
9910         template endianness when writing.
9911         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9912
9913 2009-01-19  Andreas Schwab  <schwab@suse.de>
9914
9915         * configure.tgt (powerpc64-*): Fix targ_obj.
9916
9917 2009-01-15  Ian Lance Taylor  <iant@google.com>
9918
9919         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9920         local symbols when stripping all symbols.
9921
9922 2009-01-14  Cary Coutant  <ccoutant@google.com>
9923
9924         * output.cc (Output_reloc): Add explicit instantiations.
9925
9926 2009-01-14  Cary Coutant  <ccoutant@google.com>
9927
9928         * archive.cc (Archive::get_elf_object_for_member): Remove call
9929         to File_read::claim_for_plugin.
9930         * descriptors.cc (Descriptors::open): Remove reference to
9931         is_claimed.
9932         (Descriptors::claim_for_plugin): Remove.
9933         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9934         (Descriptors::is_claimed): Remove.
9935         (claim_descriptor_for_plugin): Remove.
9936         * fileread.cc (File_read::claim_for_plugin): Remove.
9937         * fileread.h (File_read::claim_for_plugin): Remove.
9938         (File_read::descriptor): Reopen descriptor if necessary.
9939         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9940         (Plugin_manager::all_symbols_read): Add task parameter. Change
9941         all callers.
9942         (Plugin_manager::get_input_file): New function.
9943         (Plugin_manager::release_input_file): New function.
9944         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9945         corresponding data member.
9946         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9947         and pass to base constructor. Change all callers.
9948         (get_input_file, release_input_file): New functions.
9949         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9950         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9951         (Plugin_manager::all_symbols_read): Add task parameter.
9952         (Plugin_manager::get_input_file): New function.
9953         (Plugin_manager::release_input_file): New function.
9954         (Plugin_manager::task_): New data member.
9955         (Pluginobj::Pluginobj): Add filesize parameter.
9956         (Pluginobj::filename): New function.
9957         (Pluginobj::descriptor): New function.
9958         (Pluginobj::filesize): New function.
9959         (Pluginobj::filesize_): New data member.
9960         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9961         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9962         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9963
9964         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9965         with archive libraries.
9966         * testsuite/Makefile.in: Regenerate.
9967         * testsuite/plugin_test.c (struct sym_info): New type.
9968         (get_input_file, release_input_file): New static variables.
9969         (onload): Capture new transfer vector entries.
9970         (claim_file_hook): Stop reading at end of file according to filesize.
9971         Factor out parsing of readelf output into separate function.
9972         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9973         APIs and get the source file name from the symbol table.  Convert
9974         source file name to corresponding object file name.  Print info
9975         message when adding new input files.
9976         (parse_readelf_line): New function.
9977         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9978         * testsuite/plugin_test_2.sh: Likewise.
9979         * testsuite/plugin_test_3.sh: Likewise.
9980         * testsuite/plugin_test_4.sh: New test case.
9981
9982 2009-01-07  Ian Lance Taylor  <iant@google.com>
9983
9984         * version.cc (version_string): Bump to 1.8.
9985
9986 2008-12-23  Cary Coutant  <ccoutant@google.com>
9987
9988         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9989         * plugin.cc (Plugin_manager::finish): Rename as
9990         layout_deferred_objects.  Move cleanup to separate function.
9991         (Plugin_manager::cleanup): New function.
9992         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9993         separately.
9994         * plugin.h (Plugin_manager::finish): Rename as
9995         layout_deferred_objects.
9996         (Plugin_manager::cleanup): New function.
9997         (Plugin_manager::cleanup_done): New field.
9998
9999 2008-12-23  Cary Coutant  <ccoutant@google.com>
10000
10001         * plugin.cc (is_visible_from_outside): New function.
10002         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10003         so we don't return "IR only" status for exported symbols or -r links.
10004
10005         * testsuite/Makefile.am (plugin_test_3): New test case.
10006         * testsuite/Makefile.in: Regenerate.
10007         * testsuite/plugin_test_3.sh: New file.
10008
10009 2008-12-22  Cary Coutant  <ccoutant@google.com>
10010
10011         * object.cc (Sized_relobj::layout_section): New function.
10012         (Sized_relobj::do_layout): Defer layout of input sections until after
10013         plugin has provided replacement files.
10014         (Sized_relobj::do_layout_deferred_sections): New function.
10015         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10016         (Relobj::layout_deferred_sections): New function.
10017         (Relobj::do_layout_deferred_sections): New function.
10018         (Sized_relobj::do_layout_deferred_sections): New function.
10019         (Sized_relobj::layout_section): New function.
10020         (Sized_relobj::Deferred_layout): New structure.
10021         (Sized_relobj::deferred_layout_): New field.
10022         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10023         Change all callers.  Layout deferred sections.
10024         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10025         references.
10026         (Plugin_hook::run): Move code from do_plugin_hook inline.
10027         (Plugin_hook::do_plugin_hook): Remove.
10028         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10029         (Plugin_manager::finish): Renamed, was cleanup.
10030         (Plugin_manager::should_defer_layout): New function.
10031         (Plugin_manager::add_deferred_layout_object): New function.
10032         (Plugin_manager::Deferred_layout_list): New type.
10033         (Plugin_manager::deferred_layout_objects_): New field.
10034         (Plugin_hook::do_plugin_hook): Remove.
10035
10036 2008-12-17  Ian Lance Taylor  <iant@google.com>
10037
10038         * options.h (class General_options): Add --no case for
10039         --export-dynamic.
10040
10041 2008-12-16  Cary Coutant  <ccoutant@google.com>
10042
10043         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10044         vector.
10045         (Plugin_manager::claim_file): Create plugin object even if
10046         plugin did not call the add_symbols callback.
10047         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10048         asking for more symbols than were added.
10049         * testsuite/Makefile.am (plugin_test_1): Add test case with
10050         no global symbols.
10051         (empty.syms): New target.
10052         * testsuite/Makefile.in: Regenerate.
10053         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10054         message. Don't call add_symbols if no globals.
10055         (all_symbols_read_hook): Don't provide replacement for empty
10056         claimed file.
10057
10058 2008-12-12  Ian Lance Taylor  <iant@google.com>
10059
10060         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10061         r_type == 0 for a local symbol with r_sym == 0.
10062         (scan_relocatable_relocs): Pass r_sym to
10063         local_non_section_strategy.
10064         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10065         r_sym parameter.
10066
10067         * configure.ac: Update test for TLS descriptors: they are
10068         supported as of glibc 2.9.
10069         * configure: Rebuild.
10070
10071 2008-12-11  Ian Lance Taylor  <iant@google.com>
10072
10073         PR 7091
10074         * target-reloc.h (Default_scan_relocatable_relocs): For each
10075         function, map r_type == 0 to RELOC_DISCARD.
10076
10077 2008-12-10  Cary Coutant  <ccoutant@google.com>
10078
10079         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10080         object to override a kept COMDAT group from a plugin object.
10081
10082 2008-12-09  Ian Lance Taylor  <iant@google.com>
10083
10084         PR 7088
10085         * yyscript.y (file_cmd): Handle INPUT.
10086
10087         * testsuite/initpri1.c: Change all declarations to be full
10088         prototypes by adding void, to avoid compiler warnings.
10089
10090 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10091
10092         * options.cc (General_options::parse_plugin_opt): New.
10093         (General_options::add_plugin): The argument now is just the filename.
10094         (General_options::add_plugin_option): New.
10095         * options.h (plugin_opt): New.
10096         (add_plugin): Change argument name.
10097         (add_plugin_option): New.
10098         * plugin.cc (Plugin::load): Don't parse the plugin option.
10099         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10100         (Plugin::add_option): New.
10101         (Plugin::args_): Change type.
10102         (Plugin::filename_): New.
10103         (Plugin_manager::add_plugin_option): New.
10104         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10105         * testsuite/Makefile.in: Regenerate.
10106
10107 2008-12-05  Cary Coutant  <ccoutant@google.com>
10108
10109         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10110         Handle --strip-lto-sections option.
10111         * options.h (strip_lto_sections): New option.
10112
10113 2008-12-01  Cary Coutant  <ccoutant@google.com>
10114
10115         * plugin.cc (ld_plugin_message): Change format parameter to const.
10116         Fix mismatch between new[] and delete.
10117
10118 2008-11-14  Cary Coutant  <ccoutant@google.com>
10119
10120         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10121         instead of -1U.
10122
10123 2008-11-05  Craig Silverstein  <csilvers@google.com>
10124
10125         * options.cc (General_options::parse_dynamic_list): New function.
10126         * options.h (General_options): New flags dynamic_list,
10127         dynamic_list_data, dynamic_list_cpp_new, and
10128         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10129         (General_options::in_dynamic_list): New function.
10130         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10131         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10132         (Lex::can_continue_name): Likewise.
10133         (yylex): Likewise.
10134         (read_script_file): New parameter script_options.
10135         (read_dynamic_list): New function.
10136         (Script_options::define_dynamic_list): New function.
10137         (dynamic_list_keyword_parsecodes): New variable.
10138         (dynamic_list_keywords): New variable.
10139         * script.h (Script_options::define_dynamic_list): New function
10140         prototype.
10141         (read_dynamic_list): New function prototype.
10142         * symtab.cc (strprefix): New macro.
10143         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10144         dynamic_list_data, dynamic_list_cpp_new, and
10145         dynamic_list_cpp_typeinfo.
10146         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10147         (dynamic_list_expr): New rule.
10148         (dynamic_list_nodes): Likewise.
10149         (dynamic_list_node): Likewise.
10150         * testsuite/Makefile.am (dynamic_list): New test.
10151         * testsuite/Makefile.in: Regenerated.
10152         * testsuite/dynamic_list.t: New file.
10153         * testsuite/dynamic_list.sh: New file.
10154
10155 2008-11-05  Craig Silverstein  <csilvers@google.com>
10156
10157         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10158         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10159         (t11_last): Likewise.
10160         * testsuite/ver_test_6.c (main): Likewise.
10161
10162 2008-10-07  Cary Coutant  <ccoutant@google.com>
10163
10164         * options.c (General_options::finalize): Add check for -static and
10165         -shared.
10166         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10167         is not empty.
10168
10169 2008-10-02  Cary Coutant  <ccoutant@google.com>
10170
10171         * plugin.cc (make_sized_plugin_object): Fix conditional
10172         compilation to work when not all targets are enabled.
10173
10174 2008-09-29  Cary Coutant  <ccoutant@google.com>
10175
10176         * archive.cc (Archive::get_file_and_offset): Use filename instead
10177         of name to get library path.
10178         (Archive::include_member): Unlock external member of a thin archive.
10179
10180         * testsuite/Makefile.am (TEST_AR): New variable.
10181         (thin_archive_test_1): New test.
10182         (thin_archive_test_2): New test.
10183         * testsuite/Makefile.in: Regenerate.
10184         * testsuite/thin_archive_main.cc: New file.
10185         * testsuite/thin_archive_test_1.cc: New file.
10186         * testsuite/thin_archive_test_2.cc: New file.
10187         * testsuite/thin_archive_test_3.cc: New file.
10188         * testsuite/thin_archive_test_4.cc: New file.
10189
10190 2008-09-29  Cary Coutant  <ccoutant@google.com>
10191
10192         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10193         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10194         instead of -1U.
10195         (Sized_relobj::do_finalize_local_symbols): Likewise.
10196         (Sized_relobj::map_to_kept_section): Likewise.
10197         * object.h (Sized_relobj::invalid_address): New constant.
10198         (Sized_relobj::do_output_section_offset): Check for invalid_address
10199         and return -1ULL.
10200         * output.cc (Output_reloc::local_section_offset): Use constant
10201         invalid_address instead of -1U.
10202         (Output_reloc::get_address): Likewise.
10203         (Output_section::output_address): Change -1U to -1ULL.
10204         * output.h (Output_reloc::invalid_address): New constant.
10205         * reloc.cc (Sized_relobj::write_sections): Use constant
10206         invalid_address instead of -1U.
10207         (Sized_relobj::relocate_sections): Likewise.
10208         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10209         values for merge sections.
10210         * target-reloc.h (relocate_for_relocatable): Use constant
10211         invalid_address instead of -1U.
10212
10213 2008-09-19  Cary Coutant  <ccoutant@google.com>
10214
10215         Add plugin functionality for link-time optimization (LTO).
10216         * configure.ac (plugins): Add --enable-plugins option.
10217         * configure: Regenerate.
10218         * config.in: Regenerate.
10219         * Makefile.am (LIBDL): New variable.
10220         (CCFILES): Add plugin.cc.
10221         (HFILES): Add plugin.h.
10222         (ldadd_var): Add LIBDL.
10223         * Makefile.in: Regenerate.
10224
10225         * archive.cc: Include "plugin.h".
10226         (Archive::setup): Don't preread archive symbols when using a plugin.
10227         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10228         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10229         files.
10230         (Archive::include_member): Add symbols from plugin objects.
10231         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10232         * descriptors.cc (Descriptors::open): Check for file descriptors
10233         abandoned by plugins.
10234         (Descriptors::claim_for_plugin): New function.
10235         * descriptors.h (Descriptors::claim_for_plugin): New function.
10236         (Open_descriptor::is_claimed): New field.
10237         (claim_descriptor_for_plugin): New function.
10238         * fileread.cc (File_read::claim_for_plugin): New function.
10239         * fileread.h (File_read::claim_for_plugin): New function.
10240         (File_read::descriptor): New function.
10241         * gold.cc: Include "plugin.h".
10242         (queue_initial_tasks): Add task to call plugin hooks for generating
10243         new object files.
10244         * main.cc: Include "plugin.h".
10245         (main): Load plugin libraries.
10246         * object.h (Pluginobj): Declare.
10247         (Object::pluginobj): New function.
10248         (Object::do_pluginobj): New function.
10249         (Object::set_target): New function.
10250         * options.cc: Include "plugin.h".
10251         (General_options::parse_plugin): New function.
10252         (General_options::General_options): Initialize plugins_ field.
10253         (General_options::add_plugin): New function.
10254         * options.h (Plugin_manager): Declare.
10255         (General_options): Add --plugin option.
10256         (General_options::has_plugins): New function.
10257         (General_options::plugins): New function.
10258         (General_options::add_plugin): New function.
10259         (General_options::plugins_): New field.
10260         * plugin.cc: New file.
10261         * plugin.h: New file.
10262         * readsyms.cc: Include "plugin.h".
10263         (Read_symbols::do_read_symbols): Check for archive before checking
10264         for ELF file.  Call plugin hooks to claim files.
10265         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10266         from a real object file; force override when processing replacement
10267         files.
10268         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10269         (Symbol::init_base_object): Likewise.
10270         (Symbol::init_base_output_data): Likewise.
10271         (Symbol::init_base_output_segment): Likewise.
10272         (Symbol::init_base_constant): Likewise.
10273         (Symbol::init_base_undefined): Likewise.
10274         (Symbol::output_section): Assert that object is not a plugin.
10275         (Symbol_table::add_from_pluginobj): New function.
10276         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10277         undefined.
10278         (Symbol_table::sized_write_globals): Likewise.
10279         (Symbol_table::add_from_pluginobj): Instantiate template.
10280         * symtab.h (Sized_pluginobj): Declare.
10281         (Symbol::in_real_elf): New function.
10282         (Symbol::set_in_real_elf): New function.
10283         (Symbol::in_real_elf_): New field.
10284         (Symbol_table::add_from_pluginobj): New function.
10285
10286         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10287         (LIBDL): New variable.
10288         (LDADD): Add LIBDL.
10289         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10290         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10291         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10292         (MOSTLYCLEANFILES): Likewise.
10293         * testsuite/Makefile.in: Regenerate.
10294         * testsuite/plugin_test.c: New file.
10295         * testsuite/plugin_test_1.sh: New file.
10296         * testsuite/plugin_test_2.sh: New file.
10297
10298 2008-09-16  Ian Lance Taylor  <iant@google.com>
10299
10300         * target-reloc.h (relocate_section): Check whether a symbol is
10301         defined by the ABI before reporting an undefined symbol error.
10302         * target.h (Target::is_defined_by_abi): Make parameter const.
10303         (Target::do_is_defined_by_abi): Likewise.
10304         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10305         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10306         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10307         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10308         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10309         * testsuite/Makefile.in: Rebuild.
10310
10311         * fileread.cc (make_view): Add casts to avoid warning.
10312
10313 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10314
10315         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10316         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10317
10318 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10319
10320         * options.h (General_options::output_is_executable): New.
10321         (General_options::output_is_pie): New.
10322         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10323         for shared libraries.
10324         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10325
10326 2008-09-11  Chris Demetriou  <cgd@google.com>
10327
10328         * options.h (origin): New -z option.
10329         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10330         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10331         in DT_FLAGS_1.
10332
10333 2008-09-05  Cary Coutant  <ccoutant@google.com>
10334
10335         * fileread.cc (File_read::make_view): Add check for attempt to map
10336         beyond end of file.
10337
10338 2008-09-05  Cary Coutant  <ccoutant@google.com>
10339
10340         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10341         explicit instantiations.
10342
10343 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10344
10345         PR gold/6858
10346         * options.cc (General_options::finalize): Allow undefined symbols
10347         in shlibs if linking -shared.
10348
10349         PR gold/6859
10350         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10351         symbols as not needing a dynsym entry.
10352
10353 2008-08-20  Craig Silverstein  <csilvers@google.com>
10354
10355         * fileread.cc (File_read::open): Do not lock the file unless it
10356         was successfully opened.
10357
10358 2008-08-14  Cary Coutant  <ccoutant@google.com>
10359
10360         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10361         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10362         * testsuite/tls_test.cc (struct int128): 128-bit struct
10363         for testing TLS relocs with non-zero addend.
10364         (v12): New TLS variable.
10365         (t12): New test.
10366         (t_last): Add check for v12.
10367         * testsuite/tls_test.h (t12): New function.
10368         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10369
10370 2008-08-13  Ian Lance Taylor  <iant@google.com>
10371
10372         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10373         set tls_segment_ or relro_segment_.
10374         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10375         when appropriate.
10376         * output.h (Output_section::clear_is_relro): New function.
10377         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10378         sections specially even when output_data_ is empty.
10379         (Output_segment::maximum_alignment): When first section is relro,
10380         only force alignment for PT_LOAD segments.
10381         * script.cc (script_data_segment_align): New function.
10382         (script_data_segment_relro_end): New function.
10383         * script-c.h (script_data_segment_align): Declare.
10384         (script_data_segment_relro_end): Declare.
10385         * script-sections.h (class Script_sections): Declare
10386         data_segment_align and data_segment_relro_end.  Add fields
10387         segment_align_index_ and saw_relro_end_.
10388         * script-sections.cc (class Sections_element): Add set_is_relro
10389         virtual function.  Add new bool* parameter to place_orphan_here.
10390         Add get_output_section virtual function.
10391         (class Output_section_definition): Add set_is_relro.  Add new
10392         bool* parameter to place_orphan_here.  Add get_output_section.
10393         Add is_relro_ field.
10394         (Output_section_definition::Output_section_definition): Initialize
10395         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10396         and is_relro_ fields.
10397         (Output_section_definition::place_orphan_here): Add is_relro
10398         parameter.
10399         (Output_section_definition::set_section_addresses): Set relro for
10400         output section.
10401         (Output_section_definition::alternate_constraint): Likewise.
10402         (class Orphan_output_section): Add new bool* parameter to
10403         place_orphan_here.  Add get_output_section.
10404         (Orphan_output_section::place_orphan_here): Add is_relro
10405         parameter.
10406         (Script_sections::Script_sections): Initialize
10407         data_segment_align_index_ and saw_relro_end_.
10408         (Script_sections::data_segment_align): New function.
10409         (Script_sections::data_segment_relro_end): New function.
10410         (Script_sections::place_orphan): Set or clear is_relro.
10411         (Script_sections::set_section_addresses): Force alignment of first
10412         TLS section.
10413         * yyscript.y (exp): Call script_data_segment_align and
10414         script_data_segment_relro_end.
10415         * testsuite/relro_script_test.t: New file.
10416         * testsuite/relro_test.cc (using_script): Declare.
10417         (t1, t2): Test using_script.
10418         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10419         (relro_script_test_SOURCES): Define.
10420         (relro_script_test_DEPENDENCIES): Define.
10421         (relro_script_test_LDFLAGS): Define.
10422         (relro_script_test_LDADD): Define.
10423         (relro_script_test.so): New target.
10424         * testsuite/Makefile.in: Rebuild.
10425
10426 2008-08-06  Cary Coutant <ccoutant@google.com>
10427
10428         * archive.cc (Archive::total_archives, Archive::total_members)
10429         (Archive::total_members_loaded): New variables.
10430         (Archive::setup): Add parameter.  Add option to preread
10431         archive symbols.
10432         (Archive::read_armap): Add counter.
10433         (Archive::get_file_and_offset): New function.
10434         (Archive::get_elf_object_for_member): New function.
10435         (Archive::read_all_symbols): New function.
10436         (Archive::read_symbols): New function.
10437         (Archive::add_symbols): Add counters.
10438         (Archive::include_all_members): Use armap to find members if it's
10439         already built.
10440         (Archive::include_member): Skip reading symbols if already read.
10441         Factored code into Archive::get_file_and_offset and
10442         Archive::get_elf_object_for_member.  Changed call to
10443         Mapfile::report_include_archive_member.
10444         (Archive::print_stats): New function.
10445         * archive.h: Declare Object and Read_symbols_data classes.
10446         (Archive::Archive): Add initializers for new members.
10447         (Archive::setup): Add parameter.
10448         (Archive::print_stats): New function.
10449         (Archive::total_archives, Archive::total_members)
10450         (Archive::total_members_loaded): New variables.
10451         (Archive::get_file_and_offset): New function.
10452         (Archive::get_elf_object_for_member): New function.
10453         (Archive::read_all_symbols): New function.
10454         (Archive::read_symbols): New function.
10455         (Archive::Archive_member): New class.
10456         (Archive::members_): New member.
10457         (Archive::num_members_): New member.
10458         * main.cc: Include archive.h.
10459         (main): Call Archive::print_stats.
10460         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10461         archive parameter; member_name is now the fully-decorated name.
10462         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10463         * options.h: (General_options): Add --preread-archive-symbols option.
10464         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10465         Archive::setup.
10466
10467 2008-08-04  Ian Lance Taylor  <iant@google.com>
10468
10469         * symtab.h (Symbol::use_plt_offset): New function.
10470         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10471         * powerpc.cc (Relocate::relocate): Likewise.
10472         * sparc.cc (Relocate::relocate): Likewise.
10473         * x86_64.cc (Relocate::relocate): Likewise.
10474         * testsuite/weak_plt.sh: New test.
10475         * testsuite/weak_plt_main.cc: New test.
10476         * testsuite/weak_plt_shared.cc: New test.
10477         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10478         (check_PROGRAMS): Add weak_plt.
10479         (check_DATA): Add weak_plt_shared.so.
10480         (weak_plt_main_pic.o, weak_plt): New targets.
10481         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10482         * testsuite/Makefile.in: Rebuild.
10483
10484         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10485         gcctestdir/ld.
10486         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10487         * testsuite/Makefile.in: Rebuild.
10488
10489 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10490
10491         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10492         * Makefile.in: Regenerate.
10493         * po/POTFILES.in: Regenerate.
10494
10495 2008-07-29  Ian Lance Taylor  <iant@google.com>
10496
10497         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10498         symbols before other symbols.
10499         * testsuite/script_test_2.cc (test_addr): Declare.
10500         (test_addr_alias): Declare.
10501         (main): Check that test_addr and test_addr_alias have the right
10502         values.
10503         * testsuite/script_test_2.t: Define test_addr_alias and
10504         test_addr.
10505
10506 2008-07-24  Ian Lance Taylor  <iant@google.com>
10507
10508         PR 5990
10509         * descriptors.cc: New file.
10510         * descriptors.h: New file.
10511         * gold-threads.h (class Hold_optional_lock): New class.
10512         * fileread.cc: Include "descriptors.h".
10513         (File_read::~File_read): Release descriptor rather than closing
10514         it.
10515         (File_read::open) [file]: Call open_descriptor rather than open.
10516         Set is_descriptor_opened_.
10517         (File_read::open) [memory]: Assert that descriptor is not open.
10518         (File_read::reopen_descriptor): New function.
10519         (File_read::release): Release descriptor.
10520         (File_read::do_read): Make non-const.  Reopen descriptor.
10521         (File_read::read): Make non-const.
10522         (File_read::make_view): Reopen descriptor.
10523         (File_read::do_readv): Likewise.
10524         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10525         Update declarations.
10526         * layout.cc: Include "descriptors.h".
10527         (Layout::create_build_id): Use open_descriptor rather than open.
10528         * output.cc: Include "descriptors.h".
10529         (Output_file::open): Use open_descriptor rather than open.
10530         * archive.cc (Archive::const_iterator): Change Archive to be
10531         non-const.
10532         (Archive::begin, Archive::end): Make non-const.
10533         (Archive::count_members): Likewise.
10534         * archive.h (class Archive): Update declarations.
10535         * object.h (Object::read): Make non-const.
10536         * Makefile.am (CCFILES): Add descriptors.cc.
10537         (HFILES): Add descriptors.h.
10538         * Makefile.in: Rebuild.
10539
10540         PR 6716
10541         * gold.h: Always include <clocale>.  Add Solaris workarounds
10542         following code in binutils/sysdep.h.
10543
10544         PR 6048
10545         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10546         this->eh_frame_hdr_ is NULL before using it.
10547
10548         * dynobj.cc (Versions::Versions): Update comment.
10549
10550         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10551         the base version name.
10552
10553         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10554         array size plus one.
10555         (Stringpool_template::set_string_offsets): Subtract one from key
10556         before using it as an array index.
10557         (Stringpool_template::get_offset_with_length): Likewise.
10558         (Stringpool_template::write_to_buffer): Likewise.
10559         * stringpool.h (Stringpool_template::get_offset_from_key):
10560         Likewise.
10561
10562 2008-07-23  Ian Lance Taylor  <iant@google.com>
10563
10564         PR 6658
10565         * object.h (Merged_symbol_value::value): Do our best to handle a
10566         negative addend.
10567
10568         PR 6647
10569         * script.cc (Version_script_info::get_versions): Don't add empty
10570         version tag to return value.
10571         (Version_script_info::get_symbol_version_helper): Change return
10572         type to bool.  Add pversion parameter.  Change all callers.
10573         (script_register_vers_node): Don't require a non-NULL tag.
10574         * script.h (class Version_script_info): Update declarations.
10575         (Version_script_info::get_symbol_version): Change return type to
10576         bool.  Add version parameter.  Change all callers.
10577         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10578         handling.  Handle an empty version from a version script.
10579         (Symbol_table::define_special_symbol): Likewise.
10580         * testsuite/ver_test_10.script: New file.
10581         * testsuite/ver_test_10.sh: New file.
10582         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10583         (check_DATA): Add ver_test_10.syms.
10584         (ver_test_10.syms, ver_test_10.so): New target.
10585         * testsuite/Makefile.in: Rebuild.
10586
10587 2008-07-23  Simon Baldwin  <simonb@google.com>
10588
10589         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10590         to zero for undefined symbols from dynamic libraries.
10591
10592 2008-07-23  Ian Lance Taylor  <iant@google.com>
10593
10594         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10595         Change all callers.
10596         * symtab.h (class Symbol_table): Update declaration.
10597         * testsuite/ver_test_9.cc: New file.
10598         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10599         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10600         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10601         (ver_test_9.so, ver_test_9.o): New targets.
10602         * testsuite/Makefile.in: Rebuild.
10603
10604 2008-07-22  Ian Lance Taylor  <iant@google.com>
10605
10606         * options.h (class General_options): Define --check-sections.
10607         * layout.cc (Layout::set_segment_offsets): Handle
10608         --check-sections.
10609
10610         * options.h (class General_options): Define -n/--nmagic and
10611         -N/--omagic.
10612         * options.cc (General_options::finalize): For -n/--nmagic or
10613         -N/--omagic, set -static.
10614         * layout.cc (Layout::attach_allocated_section_to_segment): If
10615         -N/--omagic, don't put read-only and read-write sections in
10616         different segments.
10617         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10618         finding a read-only segment.
10619         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10620         don't set the minimum segment alignment to the common page size,
10621         and don't set the file offset to the address modulo the page size.
10622         * script-sections.cc (Script_sections::create_segments): If
10623         -n/--omagic, don't put read-only and read-write sections in
10624         different segments.
10625
10626         * cref.cc: New file.
10627         * cref.h: New file.
10628         * options.h (class General_options): Add --print-symbol-counts.
10629         * main.cc (main): Issue defined symbol report if requested.
10630         * archive.cc (Archive::interpret_header): Make into a const member
10631         function.
10632         (Archive::add_symbols): Call Input_objects::archive_start and
10633         archive_stop.
10634         (Archive::const_iterator): Define new class.
10635         (Archive::begin, Archive::end): New functions.
10636         (Archive::include_all_members): Rewrite to use iterator.
10637         (Archive::count_members): New function.
10638         * archive.h (class Archive): Update declarations.
10639         (Archive::filename): New function.
10640         * object.cc: Include "cref.h".
10641         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10642         (Sized_relobj::do_get_global_symbol_counts): New function.
10643         (Input_objects::add_object): Add object to cross-referencer.
10644         (Input_objects::archive_start): New function.
10645         (Input_objects::archive_stop): New function.
10646         (Input_objects::print_symbol_counts): New function.
10647         * object.h: Declare Cref and Archive.
10648         (Object::get_global_symbol_counts): New function.
10649         (Object::do_get_global_symbol_counts): New pure virtual function.
10650         (class Sized_relobj): Add defined_count_ field.  Update
10651         declarations.
10652         (class Input_objects): Add cref_ field.  Update constructor.
10653         Update declarations.
10654         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10655         defined_count_.
10656         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10657         symbol counts.
10658         (Sized_dynobj::do_get_global_symbol_counts): New function.
10659         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10660         defined_count_.  Update declarations.  Define Symbols typedef.
10661         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10662         parameter.  Change all callers.
10663         (Symbol_table::add_from_dynobj): Add sympointers and defined
10664         parameters.  Change all callers.
10665         * symtab.h (class Symbol_table): Update declarations.
10666         * Makefile.am (CCFILES): Add cref.cc.
10667         (HFILES): Add cref.h.
10668         * Makefile.in: Rebuild.
10669
10670 2008-07-22  Simon Baldwin  <simonb@google.com>
10671
10672         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10673         to zero when writing undefined symbols.
10674
10675 2008-07-22  Ian Lance Taylor  <iant@google.com>
10676
10677         * output.cc (Output_section::add_input_section): Don't try to
10678         merge empty merge sections.
10679
10680 2008-07-21  Craig Silverstein  <csilvers@google.com>
10681
10682         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10683         Include symbol version in error message.
10684
10685 2008-07-20  Chris Demetriou  <cgd@google.com>
10686
10687         * configure.ac (gold_cv_c_random_seed): New configured variable.
10688         (RANDOM_SEED_CFLAGS): New substituted variable.
10689         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10690         * configure: Rebuild.
10691         * Makefile.in: Likewise.
10692         * testsuite/Makefile.in: Likewise.
10693
10694 2008-07-18  Ian Lance Taylor  <iant@google.com>
10695
10696         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10697         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10698         * testsuite/ver_test_main.cc (main): Call t4.
10699         (t4, t4_2a): Define.
10700         * testsuite/ver_test_2.cc (t4_2): Define.
10701         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10702         * testsuite/ver_test_4.cc (t4_2a): Define.
10703         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10704         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10705
10706 2008-07-17  Ian Lance Taylor  <iant@google.com>
10707
10708         * dynobj.cc (Versions::add_def): If we give an error about a
10709         missing version, go ahead and create the version anyhow.
10710
10711 2008-07-10  Ian Lance Taylor  <iant@google.com>
10712
10713         Handle output sections with more than 0x7fffffff bytes.
10714         * object.h (class Relobj): Change map_to_output_ to
10715         output_sections_, and just keep a section pointer.  Change all
10716         uses.  Move comdat group support to Sized_relobj.
10717         (Relobj::is_section_specially_mapped): Remove.
10718         (Relobj::output_section): Remove poff parameter.  Change all
10719         callers.
10720         (Relobj::output_section_offset): New function.
10721         (Relobj::set_section_offset): Rewrite.
10722         (Relobj::map_to_output): Remove.
10723         (Relobj::output_sections): New function.
10724         (Relobj::do_output_section_offset): New pure virtual function.
10725         (Relobj::do_set_section_offset): Likewise.
10726         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10727         group support from Relobj.  Update declarations.
10728         (Sized_relobj::get_output_section_offset): New function.
10729         (Sized_relobj::do_output_section_offset): New function.
10730         (Sized_relobj::do_set_section_offset): New function.
10731         * object.cc (Relobj::output_section_address): Remove.
10732         (Sized_relobj::Sized_relobj): Initialize new fields.
10733         (Sized_relobj::include_section_group): Cast find_kept_object to
10734         Sized_relobj.
10735         (Sized_relobj::include_linkonce_section): Likewise.
10736         (Sized_relobj::do_layout): Use separate arrays for output section
10737         and output offset.
10738         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10739         output_sections.
10740         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10741         output_sections and section_offsets.
10742         (Sized_relobj::write_local_symbols): Likewise.
10743         (map_to_kept_section): Compute output address directly.
10744         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10745         output_sections and section_offsets.
10746         (Sized_relobj::write_sections): Likewise.
10747         (Sized_relobj::relocate_sections): Likewise.
10748         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10749         * output.h (class Output_reloc): Update declarations.  Change
10750         u2_.relobj to Sized_relobj*.
10751         (class Output_data_reloc): Change add functions to use
10752         Sized_relobj*.
10753         * output.cc (Output_reloc::Output_reloc): Change relobj to
10754         Sized_relobj*.
10755         (Output_reloc::local_section_offset): Change return type to
10756         Elf_Addr.  Use get_output_section_offset.
10757         (Output_reloc::get_address): Likewise.
10758         (Output_section::is_input_address_mapped): Don't call
10759         is_section_specially_mapped.
10760         (Output_section::output_offset): Likewise.
10761         (Output_section::output_address): Likewise.
10762         (Output_section::starting_output_address): Likewise.
10763         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10764         parameter to Sized_relobj*.
10765         (Copy_relocs::need_copy_reloc): Likewise.
10766         (Copy_relocs::save): Likewise.
10767         * copy-relocs.h (class Copy_relocs): Update declarations.
10768         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10769         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10770         * target-reloc.h (relocate_for_relocatable): Change
10771         offset_in_output_section type to Elf_Addr.  Change code that uses
10772         it as well.
10773         * layout.cc (Layout::layout): Always set *off.
10774         * mapfile.cc (Mapfile::print_input_section): Use
10775         output_section_offset.
10776         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10777         Sized_relobj*.
10778         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10779         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10780         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10781
10782 2008-07-03  Ian Lance Taylor  <iant@google.com>
10783
10784         * layout.cc (Layout::include_section): Do not discard unrecognized
10785         SHT_STRTAB sections.
10786
10787 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10788
10789         * script.cc (Lex::can_continue_name): Make '?' allowable in
10790         version-script names.
10791         * testsuite/version_script.map: Change glob pattern to use '?'
10792
10793 2008-06-30  Manish Singh  <yosh@gimp.org>
10794
10795         PR 6585
10796         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10797         Correct typo.
10798
10799 2008-06-30  Ian Lance Taylor  <iant@google.com>
10800
10801         PR 6660
10802         PR 6682
10803         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10804         versions]: Don't try to read the value in the contents, since we
10805         don't use it.  Use the template endianness when writing.
10806
10807 2008-06-25  Cary Coutant  <ccoutant@google.com>
10808
10809         * fileread.cc (File_read::make_view): Assert on zero-length view.
10810         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10811         symbol table when there are no symbols to read.
10812
10813 2008-06-23  Craig Silverstein  <csilvers@google.com>
10814
10815         * version.cc (version_string): Bump to 1.7
10816
10817 2008-06-18  Craig Silverstein  <csilvers@google.com>
10818
10819         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10820         constant 0xFFFF to type Valtype.
10821         (Powerpc_relocate_functions::rel16_ha): Likewise.
10822
10823 2008-06-17  Ian Lance Taylor  <iant@google.com>
10824
10825         * output.h (Output_section::Input_section): Initialize p2align_ to
10826         zero for Output_section_data constructors.
10827         (Output_section::Input_section::addralign): If not an input
10828         section, return the alignment of the Output_section_data.
10829         * testsuite/copy_test.cc: New file.
10830         * testsuite/copy_test_1.cc: New file.
10831         * testsuite/copy_test_2.cc: New file.
10832         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10833         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10834         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10835         (copy_test_1_pic.o, copy_test_1.so): New targets.
10836         (copy_test_2_pic.o, copy_test_2.so): New targets.
10837         * testsuite/Makefile.in: Rebuild.
10838
10839         * script-sections.cc (Script_sections::place_orphan): Initialize
10840         local variable exact.
10841
10842 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10843
10844         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10845
10846 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10847             David S. Miller  <davem@davemloft.net>
10848
10849         * powerpc.cc: New file.
10850         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10851         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10852         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10853         * Makefile.in: Rebuild.
10854
10855 2008-06-09  Ian Lance Taylor  <iant@google.com>
10856
10857         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10858         <exception>.
10859         (throwing, orig_terminate): New static variables.
10860         (terminate_handler): New static function.
10861         (t2): Set terminate handler.
10862
10863 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10864
10865         PR 6584
10866         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10867         alignment.
10868
10869 2008-05-30  Cary Coutant  <ccoutant@google.com>
10870
10871         * archive.cc (Archive::include_all_members) Correct to step
10872         over symbol table and extended name table in thin archives.
10873
10874 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10875
10876         PR 6407
10877         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10878         calculation.
10879
10880 2008-05-28  Caleb Howe  <cshowe@google.com>
10881
10882         * reduced_debug_output.cc: New file.
10883         * reduced_debug_output.h: New file.
10884         * options.h (class General_options): Add --strip-debug-non-line.
10885         * options.cc (General_options::finalize): Add strip_debug_non_line
10886         to the strip heirarchy.
10887         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10888         fields.
10889         * layout.cc: Include "reduced_debug_output.h".
10890         (Layout::Layout): Initialize new fields.
10891         (line_only_debug_sections): New static array.
10892         (is_lines_only_debug_sections): New static inline function.
10893         (Layout::include_section): Handle --strip-debug-non-line.
10894         (Layout::make_output_section): If --strip-debug-non-line, build
10895         new output sections for .debug_abbrev and .debug_info.
10896         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10897         gold.  Warn about possible overflow.
10898         (read_signed_LEB_128): Likewise.
10899         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10900         (read_signed_LEB_128): Declare.
10901         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10902         (HFILES): Add reduced_debug_output.h.
10903         * Makefile.in: Rebuild.
10904
10905 2008-05-21  Ian Lance Taylor  <iant@google.com>
10906
10907         * mapfile.cc: New file.
10908         * mapfile.h: New file.
10909         * options.h (class General_options): Add -M/--print-map and -Map.
10910         * options.cc (General_options::finalize): Make -M equivalent to
10911         -Map -.
10912         * main.cc: Include <cstdio> and "mapfile.h".
10913         (main): Open mapfile if requested.
10914         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10915         constructor.  Change caller.
10916         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10917         (queue_middle_tasks): Likewise.
10918         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10919         declarations.
10920         * archive.cc: Include "mapfile.h".
10921         (Archive::add_symbols): Add mapfile parameter.  Change all
10922         callers.  Pass mapfile, symbol, and reason to include_member.
10923         (Archive::include_all_members): Add mapfile parameter.  Change all
10924         callers.
10925         (Archive::include_member): Add mapfile, sym, and why parameters.
10926         Change all callers.  Report inclusion to map file.
10927         * archive.h: Include "fileread.h".
10928         (class Archive): Update declarations.
10929         (Archive::file): New const method.
10930         (class Add_archive_symbols): Add mapfile_ field.  Update
10931         constructor.  Change all callers.
10932         * readsyms.h (class Read_symbols): Likewise.
10933         (class Finish_group): Likewise.
10934         (class Read_script): Likewise.
10935         * common.cc: Include "mapfile.h".
10936         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10937         all callers.
10938         (Symbol_table::do_allocate_commons): Likewise.
10939         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10940         symbol allocation to mapfile.
10941         * common.h (class Allocate_commons_task): Add mapfile_ field.
10942         Update constructor.  Change all callers.
10943         * symtab.h (class Symbol_table): Update declarations.
10944         * layout.cc: Include "mapfile.h".
10945         (Layout_task_runner::run): Print information to mapfile.
10946         (Layout::create_gold_note): Change Output_data_fixed_space to
10947         Output_data_zero_fill.
10948         (Layout::create_build_id): Likewise.
10949         (Layout::print_to_mapfile): New function.
10950         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10951         constructor.  Change caller.
10952         (class Layout): Declare print_to_mapfile.
10953         * output.cc (Output_section::Input_section::print_to_mapfile): New
10954         function.
10955         (Output_section::add_input_section): If producing a map, always
10956         add to input_sections_ list.
10957         (Output_section::do_print_to_mapfile): New function.
10958         (Output_segment::print_sections_to_mapfile): New function.
10959         (Output_segment::print_section_list_to_mapfile): New function.
10960         * output.h: Include "mapfile.h".
10961         (Output_data::print_to_mapfile): New function.
10962         (Output_data::do_print_to_mapfile): New virtual function.
10963         (Output_segment_headers::do_print_to_mapfile): New function.
10964         (Output_file_header::do_print_to_mapfile): New function.
10965         (Output_data_const::do_print_to_mapfile): New function.
10966         (class Output_data_const_buffer): Add map_name_ field.  Update
10967         constructor.  Change all callers.  Add do_print_to_mapfile
10968         function.
10969         (class Output_data_fixed_space): Likewise.
10970         (class Output_data_space): Likewise.
10971         (class Output_data_zero_fill): New class.
10972         (Output_data_strtab::do_print_to_mapfile): New function.
10973         (Output_data_reloc_base::do_print_to_mapfile): New function.
10974         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10975         (Output_data_group::do_print_to_mapfile): New function.
10976         (Output_data_got::do_print_to_mapfile): New function.
10977         (Output_data_dynamic::do_print_to_mapfile): New function.
10978         (Output_symtab_xindex::do_print_to_mapfile): New function.
10979         (class Output_section): Declare do_print_to_mapflie.  Declare
10980         print_to_mapfile in Input_section.
10981         (class Output_segment): Declare new functions.
10982         * object.h (Sized_relobj::symbol_count): New function.
10983         * script-sections.cc
10984         (Output_section_element_dot_assignment::set_section_addresses):
10985         Change Output_data_fixed_space to Output_data_zero_fill.
10986         (Output_data_expression::do_print_to_mapfile): New function.
10987         * script.cc (read_input_script): Add mapfile parameter.  Change
10988         all callers.
10989         * script.h (read_input_script): Update declaration.
10990         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10991         (Eh_frame::do_print_to_mapfile): New function.
10992         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10993         (Output_merge_string::do_print_to_mapfile): New function.
10994         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10995         function.
10996         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10997         function.
10998         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10999         function.
11000         * Makefile.am (CCFILES): Add mapfile.cc.
11001         (HFILES): Add mapfile.h.
11002         * Makefile.in: Rebuild.
11003
11004 2008-05-19  Ian Lance Taylor  <iant@google.com>
11005
11006         * options.h (class General_options): Add -z relro.
11007         * layout.cc (Layout::Layout): Initialize relro_segment_.
11008         (Layout::add_output_section_data): Return the output section.
11009         (Layout::make_output_section): Rcognize relro sections and mark
11010         them appropriately.
11011         (Layout::attach_allocated_section_to_segment): Put relro sections
11012         in a PT_GNU_RELRO segment.
11013         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11014         section as relro.
11015         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11016         PT_TLS segments.
11017         (Layout::linkonce_mapping): Map d.rel.ro.local to
11018         .data.rel.ro.local.
11019         (Layout::output_section_name): Us .data.rel.ro.local for any
11020         section which begins with that.
11021         * layout.h (class Layout): Update add_output_section_data
11022         declaration.  Add relro_segment_ field.
11023         * output.cc (Output_section::Output_section): Initialize is_relro_
11024         and is_relro_local_ fields.
11025         (Output_segment::add_output_section): Group relro sections.
11026         (Output_segment::is_first_section_relro): New function.
11027         (Output_segment::maximum_alignment): If there is a relro section,
11028         align the segment to the common page size.
11029         (Output_segment::set_section_addresses): Track whether we are
11030         looking at relro sections.  If the last section is a relro
11031         section, align to the common page size.
11032         (Output_segment::set_section_list_addresses): Add in_relro
11033         parameter.  Change all callers.  Align to the page size when
11034         moving from relro to non-relro section.
11035         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11036         segment.
11037         * output.h (class Output_section): Add is_relro_ and
11038         is_relro_local_ fields.
11039         (Output_section::is_relro): New function.
11040         (Output_section::set_is_relro): New function.
11041         (Output_section::is_relro_local): New function.
11042         (Output_section::set_is_relro_local): New function.
11043         (class Output_segment): Update declarations.
11044         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11045         * sparc.cc (Target_sparc::got_section): Likewise.
11046         * x86_64.cc (Target_x86_64::got_section): Likewise.
11047         * testsuite/relro_test_main.cc: New file.
11048         * testsuite/relro_test.cc: New file.
11049         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11050         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11051         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11052         (relro_test.so, relro_test_pic.o): New targets.
11053         * testsuite/Makefile.in: Rebuild.
11054
11055 2008-05-16  Ian Lance Taylor  <iant@google.com>
11056
11057         * output.cc (Output_segment::add_output_section): Remove front
11058         parameter.
11059         * output.h (class Output_segment): Remove
11060         add_initial_output_section and overloaded add_output_section.
11061         Update declaration of remaining add_output_section.
11062         * layout.cc (Layout::create_interp): Call add_output_section
11063         rather than add_initial_output_section.
11064         (Layout::finish_dynamic_section): Likewise.
11065
11066         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11067         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11068         know the dynamic type.
11069         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11070         field.  Initialize it in constructor.
11071         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11072         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11073         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11074         reloc.
11075
11076         * output.cc (Output_reloc::get_address): Change return type to
11077         Elf_Addr.
11078         * output.h (class Output_reloc): Update get_address declaration.
11079         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11080         for section addresses.
11081
11082 2008-05-09  Ian Lance Taylor  <iant@google.com>
11083
11084         PR 6493
11085         * gold.cc (gold_nomem): Use return value of write.
11086
11087 2008-05-08  Ian Lance Taylor  <iant@google.com>
11088
11089         * symtab.c (Symbol::init_base_output_data): Add version
11090         parameter.  Change all callers.
11091         (Symbol::init_base_output_segment): Likewise.
11092         (Symbol::init_base_constant): Likewise.
11093         (Symbol::init_base_undefined): Likewise.
11094         (Sized_symbol::init_output_data): Likewise.
11095         (Sized_symbol::init_output_segment): Likewise.
11096         (Sized_symbol::init_constant): Likewise.
11097         (Sized_symbol::init_undefined): Likewise.
11098         (Symbol_table::do_define_in_output_data): If the new symbol has a
11099         version, mark it as the default.
11100         (Symbol_table::do_define_in_output_segment): Likewise.
11101         (Symbol_table::do_define_as_constant): Likewise.
11102         * symtab.h (class Symbol): Update declarations.
11103         (class Sized_symbol): Likewise.
11104         * resolve.cc (Symbol::override_version): New function.
11105         (Symbol::override_base): Call override_version.
11106         (Symbol::override_base_with_special): Likewise.
11107         * testsuite/ver_script_8.script: New file.
11108         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11109         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11110         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11111         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11112
11113 2008-05-06  Ian Lance Taylor  <iant@google.com>
11114
11115         PR 6049
11116         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11117         functions.
11118         (class General_options): Remove existing --undefined, and add
11119         --no-undefined instead.  Add new --undefined as synonym for -u.
11120         * archive.cc (Archive::add_symbols): Check whether symbol was
11121         named with -u.
11122         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11123         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11124         all uses.  Add IS_UNDEFINED.  Update declarations to split
11125         different versions of init_base.  Declare init_base_undefined.
11126         (Symbol::is_defined): Handle IS_UNDEFINED.
11127         (Symbol::is_undefined): Likewise.
11128         (Symbol::is_weak_undefined): Call is_undefined.
11129         (Symbol::is_absolute): Handle IS_CONSTANT.
11130         (class Sized_symbol): Update declarations to split different
11131         versions of init.  Declare init_undefined.
11132         (class Symbol_table): Declare new functions.
11133         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11134         Change all callers.
11135         (Symbol::init_base_output_data): Likewise.
11136         (Symbol::init_base_output_segment): Likewise.
11137         (Symbol::init_base_constant): Likewise.
11138         (Symbol::init_base_undefined): New function.
11139         (Sized_symbol::init_object): Rename from init.  Change all
11140         callers.
11141         (Sized_symbol::init_output_data): Likewise.
11142         (Sized_symbol::init_output_segment): Likewise.
11143         (Sized_symbol::init_constant): Likewise.
11144         (Sized_symbol::init_undefined): New function.
11145         (Symbol_table::add_undefined_symbols_from_command_line): New
11146         function.
11147         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11148         function.
11149         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11150         (Symbol::output_section): Likewise.
11151         (Symbol::set_output_section): Likewise.
11152         (Symbol_table::sized_finalize_symbol): Likewise.
11153         (Symbol_table::sized_write_globals): Likewise.
11154         * resolve.cc (Symbol_table::should_override): Likewise.
11155         (Symbol::override_base_with_special): Likewise.
11156
11157         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11158         symbol, change it to have default visibility.
11159         * testsuite/protected_1.cc: New file.
11160         * testsuite/protected_2.cc: New file.
11161         * testsuite/protected_3.cc: New file.
11162         * testsuite/protected_main_1.cc: New file.
11163         * testsuite/protected_main_2.cc: New file.
11164         * testsuite/protected_main_3.cc: New file.
11165         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11166         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11167         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11168         (protected_1.so): New target.
11169         (protected_1_pic.o, protected_2_pic.o): New targets.
11170         (protected_3_pic.o): New target.
11171         (check_PROGRAMS): Add protected_2.
11172         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11173         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11174         * testsuite/Makefile.in: Rebuild.
11175
11176         * options.h (DEFINE_var): Add set_user_set_##varname__.
11177         (DEFINE_bool_alias): New macro.
11178         (class General_options): Define -Bstatic using DEFINE_bool_alias
11179         rather than DEFINE_special.  Add --undefined as an alias for -z
11180         defs.
11181         * options.cc (General_options::parse_Bstatic): Remove.
11182
11183         * options.h (class General_options): Add --fatal-warnings.
11184         * main.cc (main): Implement --fatal-warnings.
11185         * errors.h (Errors::warning_count): New function.
11186
11187         * options.h (class General_options): Add -Bsymbolic-functions.
11188         * symtab.h (Symbol::is_preemptible): Check for
11189         -Bsymbolic-functions.
11190
11191 2008-05-05  Ian Lance Taylor  <iant@google.com>
11192
11193         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11194         as noVARNAME rather than no-VARNAME.
11195         (class General_options): Add option -z combreloc.
11196         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11197         get_address.
11198         (Output_reloc::sort_before) [SHT_REL]: New function.
11199         (Output_reloc::sort_before) [SHT_RELA]: New function.
11200         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11201         Sort_relocs_comparison.
11202         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11203         parameter.  Change all callers.
11204         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11205         sort_relocs parameter.  Change all callers.
11206         * output.cc (Output_reloc::get_address): New function, broken out
11207         of write_rel.
11208         (Output_reloc::write_rel): Call it.
11209         (Output_reloc::compare): New function.
11210         (Output_data_reloc_base::do_write): Optionally sort relocs.
11211
11212         * configure.ac: If targ_extra_obj is set, link it in.
11213         * configure.tgt: Initialize all variables.
11214         (x86_64*): Set targ_extra_obj and targ_extra_size.
11215         * configure: Rebuild.
11216
11217         * object.cc (Sized_relobj::include_section_group): Adjust section
11218         indexes read from group data.  Build vector to pass to
11219         layout_group.
11220         * layout.cc (Layout::layout_group): Add flags and shndxes
11221         parameters.  Remove contents parameter.  Change caller.  Update
11222         explicit instantiations.
11223         * layout.h (class Layout): Update layout_group declaration.
11224         * output.cc (Output_data_group::Output_data_group): Add flags and
11225         input_shndxes parameters.  Remove contents parameter.  Change
11226         caller.
11227         (Output_data_group::do_write): Change input_sections_ to
11228         input_shndxes_.
11229         * output.h (class Output_data_group): Update constructor
11230         declaration.  Rename input_sections_ to input_shndxes_.
11231         * testsuite/many_sections_test.cc: Add template.
11232
11233 2008-04-30  Cary Coutant  <ccoutant@google.com>
11234
11235         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11236
11237         * layout.cc (Layout::include_section): Refactored check for debug
11238         info section.
11239         (Layout::add_comdat): Add new parameters.  Change type
11240         of signature parameter.  Add object and shndx to signatures table.
11241         (Layout::find_kept_object): New function.
11242         * layout.h: Include <cstring>.
11243         (Layout::is_debug_info_section): New function.
11244         (Layout::add_comdat): Add new parameters.
11245         (Layout::find_kept_object): New function.
11246         (Layout::Kept_section): New struct.
11247         (Layout::Signatures): Change type of map range.
11248         * object.cc (Relobj::output_section_address): New function.
11249         (Sized_relobj::include_section_group): Add new parameters.  Change
11250         calls to Layout::add_comdat.  Change to build table of kept comdat
11251         groups and table mapping discarded sections to kept sections.
11252         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11253         (Sized_relobj::do_layout): Change calls to include_section_group and
11254         include_linkonce_section.
11255         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11256         value to zero when section is discarded.
11257         (Sized_relobj::map_to_kept_section): New function.
11258         * object.h (Relobj::output_section_address): New function.
11259         (Relobj::Comdat_group): New type.
11260         (Relobj::find_comdat_group): New function.
11261         (Relobj::Comdat_group_table): New type.
11262         (Relobj::Kept_comdat_section): New type.
11263         (Relobj::Kept_comdat_section_table): New type.
11264         (Relobj::add_comdat_group): New function.
11265         (Relobj::set_kept_comdat_section): New function.
11266         (Relobj::get_kept_comdat_section): New function.
11267         (Relobj::comdat_groups_): New field.
11268         (Relobj::kept_comdat_sections_): New field.
11269         (Symbol_value::input_value): Update comment.
11270         (Sized_relobj::map_to_kept_section) New function.
11271         (Sized_relobj::include_linkonce_section): Add new parameter.
11272         * target-reloc.h (Comdat_behavior): New type.
11273         (get_comdat_behavior): New function.
11274         (relocate_section): Add code to map a discarded section to the
11275         corresponding kept section when applying a relocation.
11276
11277 2008-04-30  Craig Silverstein  <csilvers@google.com>
11278
11279         * dwarf_reader.cc (next_generation_count): New static var.
11280         (Addr2line_cache_entry): New struct.
11281         (addr2line_cache): New static var.
11282         (Dwarf_line_info::one_addr2line): Added caching.
11283         (Dwarf_line_info::clear_addr2line_cache): New function.
11284         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11285         cache-size parameter.
11286         (Dwarf_line_info::one_addr2line_cache): New function.
11287         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11288         new cache-size argument to one_addr2line(), and clear cache.
11289
11290 2008-04-28  Cary Coutant  <ccoutant@google.com>
11291
11292         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11293         R_386_PC8 relocations.
11294
11295 2008-04-23  Ian Lance Taylor  <iant@google.com>
11296
11297         * object.cc (Sized_relobj::include_section_group): Check for
11298         invalid section group.
11299
11300         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11301         header size.
11302
11303         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11304         than read for file header.
11305         * archive.cc (Archive::include_member): Likewise.
11306
11307 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11308
11309         * aclocal.m4: Regenerate.
11310         * configure: Regenerate.
11311
11312 2008-04-19  Ian Lance Taylor  <iant@google.com>
11313
11314         * version.cc (version_string): Bump to 1.6.
11315
11316         * testsuite/Makefile.am (many_sections_r_test): New target.
11317         (many_sections_r_test_SOURCES): Remove.
11318         (many_sections_r_test_DEPENDENCIES): Remove.
11319         (many_sections_r_test_LDFLAGS): Remove.
11320         (many_sections_r_test_LDADD): Remove.
11321
11322         * object.cc (Sized_relobj::do_add_symbols): Always pass
11323         local_symbol_count_ to add_from_relobj.
11324
11325         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11326         every thousand variables.
11327         * testsuite/Makefile.in: Rebuild.
11328
11329         * object.cc (Xindex::initialize_symtab_xindex): New function.
11330         (Xindex::read_symtab_xindex): New function.
11331         (Xindex::sym_xindex_to_shndx): New function.
11332         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11333         available.
11334         (Sized_relobj::do_initialize_xindex): New function.
11335         (Sized_relobj::do_read_symbols): Adjust section links.
11336         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11337         parameter.  Change all callers.
11338         (Sized_relobj::include_section_group): Adjust section links and
11339         symbol section indexes.
11340         (Sized_relobj::do_layout): Adjust section links.
11341         (Sized_relobj::do_count_local_symbols): Adjust section links and
11342         symbol section indexes.
11343         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11344         ordinary and special symbols.
11345         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11346         dynsym_xindex parameters.  Change all callers.  Adjust section
11347         links.  Use SHN_XINDEX when needed.
11348         (Sized_relobj::get_symbol_location_info): Adjust section links.
11349         Don't get fooled by special symbols.
11350         * object.h (class Xindex): Define.
11351         (class Object): Add xindex_ parameter.  Declare virtual functoin
11352         do_initialize_xindex.
11353         (Object::adjust_sym_shndx): New function.
11354         (Object::set_xindex): New protected function.
11355         (class Symbol_value): Add is_ordinary_shndx_ field.
11356         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11357         (Symbol_value::value): Assert ordinary section.
11358         (Symbol_value::initialize_input_to_output_map): Likewise.
11359         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11360         Change all callers.
11361         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11362         all callers.
11363         (class Sized_relobj): Update declarations.
11364         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11365         parameter.  Change all callers.
11366         (Sized_relobj::adjust_shndx): New function.
11367         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11368         field.
11369         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11370         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11371         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11372         (Sized_dynobj::read_dynsym_section): Adjust section links.
11373         (Sized_dynobj::read_dynamic): Likewise.
11374         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11375         section links.
11376         (Sized_dynobj::do_initialize_xindex): New function.
11377         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11378         do_initialize_xindex.
11379         (Sized_dynobj::adjust_shndx): New function.
11380         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11381         dynsym_xindex_ fields.
11382         (Layout::finalize): Add a call to set_section_indexes before
11383         creating the symtab sections.
11384         (Layout::set_section_indexes): Don't do anything if the section
11385         already has a section index.
11386         (Layout::create_symtab_sections): Add shnum parameter.  Change
11387         caller.  Create .symtab_shndx section if needed.
11388         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11389         caller.
11390         (Layout::allocated_output_section_count): New function.
11391         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11392         needed.
11393         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11394         fields.  Update declarations.
11395         (Layout::symtab_xindex): New function.
11396         (Layout::dynsym_xindex): New function.
11397         (class Write_symbols_task): Add layout_ field.
11398         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11399         Change caller.
11400         * output.cc (Output_section_headers::Output_section_headers): Add
11401         shstrtab_section parameter.  Change all callers.
11402         (Output_section_headers::do_sized_write): Store overflow values
11403         for section count and section string table section index in
11404         section header zero.
11405         (Output_file_header::do_sized_write): Check for overflow of
11406         section count and section string table section index.
11407         (Output_symtab_xindex::do_write): New function.
11408         (Output_symtab_xindex::endian_do_write): New function.
11409         * output.h (class Output_section_headers): Add shstrtab_section_.
11410         Update declarations.
11411         (class Output_symtab_xindex): Define.
11412         (Output_section::has_out_shndx): New function.
11413         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11414         field.
11415         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11416         Change all callers.
11417         (Sized_symbol::init): Likewise.
11418         (Symbol::output_section): Check for ordinary symbol.
11419         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11420         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11421         callers.
11422         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11423         Change all callers.  Simplify handling of symbols from sections
11424         not included in the link.
11425         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11426         distinction.
11427         (Weak_alias_sorter::operator()): Assert that symbols are
11428         ordinary.
11429         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11430         distinction.
11431         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11432         parameters.  Change all callers.
11433         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11434         symbol distinction.  Use SHN_XINDEX when needed.
11435         (Symbol_table::write_section_symbol): Add symtab_xindex
11436         parameter.  Change all callers.
11437         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11438         SHN_XINDEX when needed.
11439         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11440         declarations.
11441         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11442         (Symbol::is_defined): Check is_ordinary.
11443         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11444         (Symbol::is_absolute, Symbol::is_common): Likewise.
11445         (class Sized_symbol): Update declarations.
11446         (class Symbol_table): Update declarations.
11447         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11448         parameters.  Change all callers.
11449         (Sized_symbol::override): Likewise.
11450         (Symbol_table::override): Likewise.
11451         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11452         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11453         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11454         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11455         to be in an ordinary section.
11456         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11457         object and is_ordinary parameters.  Change all callers.
11458         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11459         Change all callers.  Don't add undefined or non-ordinary symbols
11460         to reloc_map_.
11461         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11462         Change all callers.
11463         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11464         declarations.
11465         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11466         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11467         (Sized_relobj::relocate_sections): Likewise.
11468         * target-reloc.h (scan_relocs): Adjust section symbol index.
11469         (scan_relocatable_relocs): Likewise.
11470         * i386.cc (Scan::local): Check for ordinary symbols.
11471         * sparc.cc (Scan::local): Likewise.
11472         * x86_64.cc (Scan::local): Likewise.
11473         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11474         to symbol_section_and_value.
11475         * testsuite/many_sections_test.cc: New file.
11476         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11477         (check_PROGRAMS): Add many_sections_test.
11478         (many_sections_test_SOURCES): Define.
11479         (many_sections_test_DEPENDENCIES): Define.
11480         (many_sections_test_LDFLAGS): Define.
11481         (BUILT_SOURCES): Add many_sections_define.h.
11482         (many_sections_define.h): New target.
11483         (BUILT_SOURCES): Add many_sections_check.h.
11484         (many_sections_check.h): New target.
11485         (check_PROGRAMS): Add many_sections_r_test.
11486         (many_sections_r_test_SOURCES): Define.
11487         (many_sections_r_test_DEPENDENCIES): Define.
11488         (many_sections_r_test_LDFLAGS): Define.
11489         (many_sections_r_test_LDADD): Define.
11490         (many_sections_r_test.o): New target.
11491         * testsuite/Makefile.in: Rebuild.
11492
11493 2008-04-17  Cary Coutant  <ccoutant@google.com>
11494
11495         * errors.cc (Errors::info): New function.
11496         (gold_info): New function.
11497         * errors.h (Errors::info): New function.
11498         * gold.h (gold_info): New function.
11499         * object.cc (Input_objects::add_object): Print trace output.
11500         * options.cc (options::parse_set): New function.
11501         (General_options::parse_wrap): Deleted.
11502         (General_options::General_options): Deleted initializer.
11503         * options.h (options::String_set): New typedef.
11504         (options::parse_set): New function.
11505         (DEFINE_set): New macro.
11506         (General_options::wrap): Changed to use DEFINE_set. Changed
11507         callers of any_wrap_symbols and is_wrap_symbol.
11508         (General_options::trace, General_options::trace_symbol):
11509         New options.
11510         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11511         (General_options::wrap_symbols_): Deleted.
11512         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11513
11514 2008-04-17  David S. Miller  <davem@davemloft.net>
11515
11516         * options.cc (General_options::parse_V): New function.
11517         * options.h: Add entries for -V and -Qy.
11518
11519 2008-04-17  Ian Lance Taylor  <iant@google.com>
11520
11521         * common.cc (Symbol_table::allocate_commons): Remove options
11522         parameter.  Change caller.
11523         (Symbol_table::do_allocate_commons): Remove options parameter.
11524         Change caller.  Just call do_allocate_commons_list twice.
11525         (Symbol_table::do_allocate_commons_list): New function, broken out
11526         of do_allocate_commons.
11527         * common.h (class Allocate_commons_task): Remove options_ field.
11528         Update constructor.
11529         * symtab.cc (Symbol_table::Symbol_table): Initialize
11530         tls_commons_.
11531         (Symbol_table::add_from_object): Put TLS common symbols on
11532         tls_commons_ list.
11533         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11534         which are IN_OUTPUT_DATA.
11535         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11536         allocate_commons and do_allocate_commons declarations.  Declare
11537         do_allocate_commons_list.
11538         * gold.cc (queue_middle_tasks): Update creation of
11539         Allocate_commons_task to not pass options.
11540         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11541         (TLS_TEST_C_FLAGS): New variable.
11542         (tls_test_c_pic.o): New target.
11543         (tls_test_shared.so): Link in tls_test_c_pic.o.
11544         (tls_test_c_pic_ie.o): New target.
11545         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11546         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11547         (tls_test_c.o): New target.
11548         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11549         (tls_pic_test_LDADD): Likewise.
11550         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11551         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11552         (tls_test_c_gnu2.o): New target.
11553         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11554         tls_test_c_gnu2.o.
11555         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11556         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11557         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11558         * testsuite/tls_test.cc: Include "config.h".
11559         (t_last): Call t11_last.
11560         * testsuite/tls_test.h (t11, t11_last): Declare.
11561         * testsuite/tls_test_c.c: New file.
11562         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11563         * configure.ac: Check for OpenMP support.
11564         * configure, config.in, Makefile.in: Rebuild.
11565         * testsuite/Makefile.in: Rebuild.
11566
11567 2008-04-16  Cary Coutant  <ccoutant@google.com>
11568
11569         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11570         (Target_i386::tls_base_symbol_defined_): New field.
11571         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11572         (Target_i386::Scan::global): Likewise.
11573         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11574         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11575         (Target_x86_64::tls_base_symbol_defined_): New field.
11576         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11577         (Target_x86_64::Scan::global): Likewise.
11578
11579 2008-04-16  Cary Coutant  <ccoutant@google.com>
11580
11581         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11582         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11583         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11584         building shared libraries.
11585         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11586         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11587         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11588         * testsuite/Makefile.in: Rebuild.
11589         * testsuite/weak_undef.h: New file.
11590         * testsuite/weak_undef_file1.cc: Add extra test cases.
11591         * testsuite/weak_undef_file2.cc: Likewise.
11592         * testsuite/weak_undef_test.cc: Likewise.
11593
11594 2008-04-16  David S. Miller  <davem@davemloft.net>
11595
11596         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11597         Add issued_non_pic_error_ field.  Declare check_non_pic.
11598         (Target_sparc::Scan::check_non_pic): New function.
11599         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11600         (Target_sparc::Scan::global): Likewise.
11601
11602         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11603         * configure: Rebuild.
11604
11605         * options.h (DEFINE_enable): New macro.
11606         (new_dtags): New enable option.
11607         (initfirst, interpose, loadfltr, nodefaultlib,
11608         nodelete, nodlopen, nodump): New -z options.
11609         * layout.cc (Layout:finish_dynamic_section): If new
11610         dtags enabled, emit DT_RUNPATH.  Also, emit a
11611         DT_FLAGS_1 containing any specified -z flags.
11612
11613 2008-04-16  Ian Lance Taylor  <iant@google.com>
11614
11615         * copy-relocs.cc: New file.
11616         * copy-relocs.h: New file.
11617         * reloc.cc: Remove Copy_relocs code.
11618         * reloc.h: Likewise.
11619         * reloc-types.h (struct Reloc_types) [both versions]: Add
11620         get_reloc_addend_noerror.
11621         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11622         variants of add_global which take an addend which must be zero.
11623         * i386.cc: Include "copy-relocs.h".
11624         (class Target_i386): Change type of copy_relocs_ to variable,
11625         update initializer.
11626         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11627         Change all callers.
11628         (Target_i386::do_finalize_sections): Change handling of
11629         copy_relocs_.
11630         * sparc.cc: Include "copy-relocs.h".
11631         (class Target_sparc): Change type of copy_relocs_ to variable,
11632         update initializer.
11633         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11634         Change all callers.
11635         (Target_sparc::do_finalize_sections): Change handling of
11636         copy_relocs_.
11637         * x86_64.cc: Include "copy-relocs.h".
11638         (class Target_x86_64): Change type of copy_relocs_ to variable,
11639         update initializer.
11640         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11641         class.  Change all callers.
11642         (Target_x86_64::do_finalize_sections): Change handling of
11643         copy_relocs_.
11644         * Makefile.am (CCFILES): Add copy-relocs.cc.
11645         (HFILES): Add copy-relocs.h.
11646
11647         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11648
11649         * testsuite/script_test_4.sh: Permit leading zeroes.
11650
11651 2008-04-15  Ian Lance Taylor  <iant@google.com>
11652
11653         * script-sections.cc (Script_sections::create_segments): Use
11654         header_size_adjustment even when there is enough room for the
11655         headers.
11656         * testsuite/script_test_4.sh: New file.
11657         * testsuite/script_test_4.t: New file.
11658         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11659         (check_DATA): Add script_test_4.stdout.
11660         (MOSTLYCLEANFILES): Likewise.
11661         (script_test_4): New target.
11662         (script_test_4.stdout): New target.
11663         * testsuite/Makefile.in: Rebuild.
11664
11665         * sparc.cc: Add definitions for Output_data_plt_sparc class
11666         constants.
11667
11668 2008-04-14  David S. Miller  <davem@davemloft.net>
11669
11670         * sparc.cc: New file.
11671         * Makefile.am (TARGETSOURCES): Add sparc.cc
11672         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11673         * configure.tgt: Document targ_extra_size and
11674         targ_extra_big_endian.  Add entries for sparc-* and
11675         sparc64-*.
11676         * configure.ac: Handle targ_extra_size and
11677         targ_extra_big_endian.
11678         * Makefile.in: Rebuild.
11679         * configure: Likewise.
11680         * po/POTFILES.in: Likewise.
11681         * po/gold.pot: Likewise.
11682
11683 2008-04-14  Ian Lance Taylor  <iant@google.com>
11684
11685         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11686         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11687         in the name/type/flags to section mapping.  Don't call
11688         allocate_output_section.
11689         (Layout::choose_output_section): Change parameter from adjust_name
11690         to is_input_section.  Don't permit input sections after sections
11691         are attached to segments.  Don't call allocate_output_section.
11692         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11693         not write_enable_output_section.
11694         (Layout::make_output_section): Don't push to
11695         unattached_section_list_ nor call attach_to_segment.  Call
11696         attach_section_to_segment if sections are attached.
11697         (Layout::attach_sections_to_segments): New function.
11698         (Layout::attach_section_to_segment): New function.
11699         (Layout::attach_allocated_section_to_segment): Rename from
11700         attach_to_segment.  Remove flags parameter.
11701         (Layout::allocate_output_section): Remove function.
11702         (Layout::write_enable_output_section): Remove function.
11703         * layout.h (class Layout): Update for above changes.  Add new
11704         field sections_are_attached_.
11705         * output.h (Output_section::update_flags_for_input_section): New
11706         function.
11707         * output.cc (Output_section::add_input_section): Call
11708         update_flags_for_input_section.
11709         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11710
11711 2008-04-11  Cary Coutant  <ccoutant@google.com>
11712
11713         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11714         thought unnecessary.
11715         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11716
11717 2008-04-11  Ian Lance Taylor  <iant@google.com>
11718
11719         * output.h (class Output_section_data): Remove inline definition
11720         of set_addralign.
11721         * output.cc (Output_section_data::set_addralign): New function.
11722
11723 2008-04-11  Cary Coutant  <ccoutant@google.com>
11724
11725         Add support for TLS descriptors for i386 and x86_64.
11726         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11727         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11728         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11729         GOT_TYPE_TLS_DESC.
11730         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11731         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11732         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11733         relocations.
11734         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11735         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11736         Fix problem with initial-exec relocations.
11737         (Target_i386::Relocate::relocate_tls): Likewise.
11738         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11739         relaxation.
11740         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11741         support for section-plus-offset dynamic table entries.
11742         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11743         (Output_data_dynamic::Dynamic_entry): Add support for
11744         section-plus-offset dynamic table entries.
11745         (Output_data_dynamic::Classification): Likewise.
11746         (Output_data_dynamic::classification_): Renamed offset_.
11747         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11748         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11749         (Target_x86_64::make_plt_section): New function.
11750         (Target_x86_64::reserve_tlsdesc_entries): New function.
11751         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11752         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11753         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11754         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11755         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11756         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11757         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11758         add extra PLT entry for TLS descriptors.
11759         (Output_data_plt_x86_64::got_): New field.
11760         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11761         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11762         fields.
11763         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11764         descriptors.
11765         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11766         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11767         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11768         R_386_TLS_DESC_CALL relocations.
11769         (Target_x86_64::Scan::global): Likewise.
11770         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11771         for TLS descriptors.
11772         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11773         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11774         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11775         GD-to-IE relaxation.
11776         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11777         and TLS_DESCRIPTORS.
11778         * Makefile.in: Rebuild.
11779         * configure: Rebuild.
11780         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11781         (tls_test_shared2.so): New target.
11782         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11783         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11784         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11785         (tls_shared_gd_to_ie_test_LDADD): New variable.
11786         (tls_shared_gnu2_gd_to_ie_test): New target.
11787         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11788         New targets.
11789         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11790         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11791         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11792         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11793         (tls_shared_gnu2_test): New target.
11794         (tls_test_gnu2_shared.so): New target.
11795         (tls_shared_gnu2_test_SOURCES): New variable.
11796         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11797         (tls_shared_gnu2_test_LDFLAGS): New variable.
11798         (tls_shared_gnu2_test_LDADD): New variable.
11799         * testsuite/Makefile.in: Rebuild.
11800         * testsuite/Makefile.
11801
11802 2008-04-11  Ian Lance Taylor  <iant@google.com>
11803
11804         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11805         justsyms.t.
11806         * testsuite/Makefile.in: Rebuild.
11807
11808         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11809         long.
11810         * testsuite/script_test_2.cc (main): Adjust test.
11811
11812 2008-04-11  David S. Miller  <davem@davemloft.net>
11813             Ian Lance Taylor  <iant@google.com>
11814
11815         * options.h (General_options): Add entries for '-Y' and
11816         '-relax'.
11817         * options.cc (General_options:finalize): If -Y was used, add those
11818         entries to the library path instead of the default "/lib" and
11819         "/usr/lib".
11820
11821 2008-04-11  David S. Miller  <davem@davemloft.net>
11822
11823         * testsuite/justsyms.t: Start at 0x100.
11824         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11825         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11826         long.
11827         * testsuite/script_test_2.cc: Adjust string and section length
11828         checks.
11829
11830 2008-04-09  Ian Lance Taylor  <iant@google.com>
11831
11832         PR gold/5996
11833         * script-sections.cc (Sections_element::allocate_to_segment): Add
11834         orphan parameter.
11835         (Output_section_definition::allocate_to_segment): Likewise.
11836         (Orphan_output_section::allocate_to_segment): Likewise.
11837         (Script_sections::attach_sections_using_phdrs_clause): Don't
11838         propagate non-PT_LOAD segments to orphan sections.
11839         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11840         readelf rather than objdump.
11841         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11842         .interp section and PT_INTERP segment are the same size.
11843         * testsuite/Makefile.in: Rebuild.
11844
11845         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11846         aliases for symbols defined in the same object.
11847         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11848         (weak_alias_test_SOURCES): New variable.
11849         (weak_alias_test_DEPENDENCIES): New variable.
11850         (weak_alias_test_LDFLAGS): New variable.
11851         (weak_alias_test_LDADD): New variable.
11852         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11853         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11854         (weak_alias_test_3.o): New target.
11855         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11856         * testsuite/weak_alias_test_main.cc: New file.
11857         * testsuite/weak_alias_test_1.cc: New file.
11858         * testsuite/weak_alias_test_2.cc: New file.
11859         * testsuite/weak_alias_test_3.cc: New file.
11860
11861 2008-04-08  Ian Lance Taylor  <iant@google.com>
11862
11863         * options.h (class General_options): Add --noinhibit-exec option.
11864         * main.cc (main): Check --noinhibit-exec.
11865
11866         * options.h (class General_options): Define --wrap as a special
11867         option.  Add wrap_symbols_ field.
11868         (General_options::any_wrap_symbols): New function.
11869         (General_options::is_wrap_symbol): New function.
11870         * options.cc (General_options::parse_wrap): New function.
11871         (General_options::General_options): Initialize wrap_symbols_.
11872         * symtab.cc (Symbol_table::wrap_symbol): New function.
11873         (Symbol_table::add_from_object): Handle --wrap.
11874         * symtab.h (class Symbol_table): Declare wrap_symbol.
11875         * target.h (Target::wrap_char): New function.
11876         (Target::Target_info): Add wrap_char field.
11877         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11878         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11879         * testsuite/testfile.cc (Target_test::test_target_info):
11880         Likewise.
11881
11882         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11883         there is one.
11884
11885         * layout.h (class Layout): Add added_eh_frame_data_ field.
11886         * layout.cc (Layout::Layout): Initialize new field.
11887         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11888         output section until we find a section we merged successfully.
11889         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11890         that the size be non-zero.
11891
11892         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11893         qualifier.
11894
11895 2008-04-08  Craig Silverstein  <csilvers@google.com>
11896
11897         * configure.ac: Export new conditional variable HAVE_ZLIB.
11898         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11899         on HAVE_ZLIB.
11900         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11901         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11902
11903 2008-04-07  Ian Lance Taylor  <iant@google.com>
11904
11905         * version.cc (version_string): Set to "1.5".
11906
11907         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11908         Add issued_non_pic_error_ field.  Declare check_non_pic.
11909         (Target_x86_64::Scan::check_non_pic): New function.
11910         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11911         (Target_x86_64::Scan::global): Likewise.
11912
11913         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11914         addend parameter.  Change caller.  Handle merge sections.
11915         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11916         Address to Addend.  Don't add in the result of
11917         local_section_offset, pass down the addend and use the returned
11918         value.
11919         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11920         Update declarations of local_section_offset and symbol_value.
11921         * testsuite/two_file_test_1.cc (t18): New function.
11922         * testsuite/two_file_test_2.cc (f18): New function.
11923         * testsuite/two_file_test_main.cc (main): Call t18.
11924         * testsuite/two_file_test.h (t18, f18): Declare.
11925
11926         * configure.ac: Don't test for objdump, c++filt, or readelf.
11927         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11928         conditionals.
11929         (TEST_READELF): New variable.
11930         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11931         (check_PROGRAMS): Add two_file_strip_test.
11932         (two_file_strip_test): New target.
11933         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11934         (two_file_same_shared_strip_test_SOURCES): New variable.
11935         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11936         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11937         (two_file_same_shared_strip_test_LDADD): New variable.
11938         (two_file_shared_strip.so): New target.
11939         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11940         (ver_test_5.syms, ver_test_7.syms): Likewise.
11941         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11942         (strip_test_3.stdout): Use TEST_OBJDUMP.
11943         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11944
11945 2008-04-04  Cary Coutant  <ccoutant@google.com>
11946
11947         * symtab.h (Symbol::is_weak_undefined): New function.
11948         (Symbol::is_strong_undefined): New function.
11949         (Symbol::is_absolute): New function.
11950         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11951         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11952         absolute symbols.
11953         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11954         (weak_undef_test): New target.
11955         * testsuite/Makefile.in: Rebuild.
11956         * testsuite/weak_undef_file1.cc: New file.
11957         * testsuite/weak_undef_file2.cc: New file.
11958         * testsuite/weak_undef_test.cc: New file.
11959
11960 2008-04-03  Craig Silverstein  <csilvers@google.com>
11961
11962         * compressed_output.h (class Output_compressed_section): Use
11963         unsigned buffer.
11964         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11965         add zlib header.
11966         (zlib_compressed_suffix): Removed.
11967         (Output_compressed_section::set_final_data_size): Use unsigned
11968         buffers.
11969         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11970         Fix linker invocation.
11971         (flagstest_o_specialfile_and_compress_debug_sections):
11972         Likewise.
11973         * testsuite/Makefile.in: Regenerated.
11974
11975 2008-04-02  David S. Miller  <davem@davemloft.net>
11976
11977         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11978         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11979
11980 2008-04-02  Craig Silverstein  <csilvers@google.com>
11981
11982         * TODO: New file.
11983
11984 2008-04-02  Ian Lance Taylor  <iant@google.com>
11985
11986         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11987         parameters.  Update for new key type to views_.  Change all
11988         callers.
11989         (File_read::read): Adjust for byteshift in returned view.
11990         (File_read::add_view): New function, broken out of
11991         find_and_make_view.
11992         (File_read::make_view): New function, broken out of
11993         find_and_make_view.
11994         (File_read::find_or_make_view): Add offset and aligned
11995         parameters.  Rewrite accordingly.  Change all callers.
11996         (File_read::get_view): Add offset and aligned parameters.  Adjust
11997         for byteshift in return value.
11998         (File_read::get_lasting_view): Likewise.
11999         * fileread.h (class File_read): Update declarations.
12000         (class File_read::View): Add byteshift_ field.  Add byteshift to
12001         constructor.  Add byteshift method.
12002         * archive.h (Archive::clear_uncached_views): New function.
12003         (Archive::get_view): Add aligned parameter.  Change all callers.
12004         * object.h (Object::get_view): Add aligned parameter.  Change all
12005         callers.
12006         (Object::get_lasting_view): Likewise.
12007
12008         * fileread.cc (File_read::release): Don't call clear_views if
12009         there are multiple objects.
12010         * fileread.h (File_read::clear_uncached_views): New function.
12011         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12012         on the archive.
12013
12014 2008-03-31  Cary Coutant  <ccoutant@google.com>
12015
12016         Add thin archive support.
12017         * archive.cc (Archive::armagt): New const.
12018         (Archive::setup): Remove task parameter and calls to unlock.
12019         (Archive::unlock_nested_archives): New function.
12020         (Archive::read_header): Add nested_off parameter. Change
12021         all callers.
12022         (Archive::interpret_header): Likewise.
12023         (Archive::include_all_members): Change to handle thin
12024         archives.
12025         (Archive::include_member): Likewise.
12026         * archive.h (Archive::Archive): Add new parameters and
12027         initializers.
12028         (Archive::armagt): New const.
12029         (Archive::setup): Remove task parameter.
12030         (Archive::unlock_nested_archives): New function.
12031         (Archive::read_header): Add nested_off parameter.
12032         (Archive::interpret_header): Likewise.
12033         (Archive::Nested_archive_table): New typedef.
12034         (Archive::is_thin_archive_): New field.
12035         (Archive::nested_archives_): New field.
12036         (Archive::options_): New field.
12037         (Archive::dirpath_): New field.
12038         (Archive::task_): New field.
12039         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12040         for thin archives.  Pass additional parameters to
12041         Archive::Archive.  Unlock the archive file after calling
12042         Archive::setup.
12043
12044 2008-03-29  Ian Lance Taylor  <iant@google.com>
12045
12046         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12047         version symbol to be local.
12048         * testsuite/ver_test_4.sh: New file.
12049         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12050         (check_DATA): Add ver_test_4.syms.
12051         (ver_test_4.syms): New target.
12052         * testsuite/Makefile.in: Rebuild.
12053
12054         * output.cc
12055         (Output_section::Input_section_sort_entry::has_priority): New
12056         function.
12057         (Output_section::Input_section_sort_entry::match_file_name): New
12058         function.
12059         (Output_section::Input_section_sort_entry::match_section_name):
12060         Remove.
12061         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12062         Remove.
12063         (Output_section::Input_section_sort_entry::match_section_file):
12064         Remove.
12065         (Output_section::Input_section_sort_compare::operator()): Rewrite
12066         using new Input_section_sort_entry functions.  Sort crtbegin and
12067         crtend first.  Sort sections with no priority before sections with
12068         a priority.
12069         * testsuite/initpri1.c (d3): Check j != 4.
12070         (cd5): New constructor/destructor function.
12071         (main): Check j != 2.
12072
12073         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12074         new symbol when resolving, don't call set_is_default.
12075         * testsuite/ver_test_7.cc: New file.
12076         * testsuite/ver_test_7.sh: New file.
12077         * testsuite/Makefile.am (ver_test_7.so): New target.
12078         (ver_test_7.o): New target.
12079         (check_SCRIPTS): Add ver_test_7.sh.
12080         (check_DATA): Add ver_test_7.syms.
12081         (ver_test_7.syms): New target.
12082
12083 2008-03-28  Ian Lance Taylor  <iant@google.com>
12084
12085         * layout.cc (Layout::layout): If we see an input section with a
12086         name that needs sorting, set the must_sort flag for the output
12087         section.
12088         (Layout::make_output_section): If the name of the output section
12089         indicates that it might require sorting, set the may_sort flag.
12090         * output.h (Output_section::may_sort_attached_input_sections): New
12091         function.
12092         (Output_section::set_may_sort_attached_input_sections): New
12093         function.
12094         (Output_section::must_sort_attached_input_sections): New
12095         function.
12096         (Output_section::set_must_sort_attached_input_sections): New
12097         function.
12098         (class Output_section): Declare Input_section_sort_entry.  Define
12099         Input_section_sort_compare.  Declare
12100         sort_attached_input_sections.  Add new fields:
12101         may_sort_attached_input_sections_,
12102         must_sort_attached_input_sections_,
12103         attached_input_sections_are_sorted_.
12104         * output.cc (Output_section::Output_section): Initialize new
12105         fields.
12106         (Output_section::add_input_section): Add an entry to
12107         input_sections_ if may_sort or must_sort are true.
12108         (Output_section::set_final_data_size): Call
12109         sort_attached_input_sections if necessary.
12110         (Output_section::Input_section_sort_entry): Define new class.
12111         (Output_section::Input_section_sort_compare::operator()): New
12112         function.
12113         (Output_section::sort_attached_input_sections): New function.
12114         * configure.ac: Check whether the compiler supports constructor
12115         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12116         * testsuite/initpri1.c: New file.
12117         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12118         CONSTRUCTOR_PRIORITY.
12119         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12120         (initpri1_LDFLAGS): New variable.
12121         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12122
12123 2008-03-27  Ian Lance Taylor  <iant@google.com>
12124
12125         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12126         * testsuite/common_test_1.c: New file.
12127         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12128         (common_test_1_SOURCES): New variable.
12129         (common_test_1_DEPENDENCIES): New variable.
12130         (common_test_1_LDFLAGS): New variable.
12131
12132         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12133         and commons_ correctly when NAME/VERSION does not override
12134         NAME/NULL.
12135         * testsuite/ver_test_6.c: New file.
12136         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12137         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12138         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12139
12140 2008-03-26  Ian Lance Taylor  <iant@google.com>
12141
12142         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12143         of an undefined symbol from a version script.
12144         * testsuite/Makefile.am (ver_test_5.so): New target.
12145         (ver_test_5.o): New target.
12146         (check_SCRIPTS): Add ver_test_5.sh.
12147         (check_DATA): Add ver_test_5.syms.
12148         (ver_test_5.syms): New target.
12149         * testsuite/ver_test_5.cc: New file.
12150         * testsuite/ver_test_5.script: New file.
12151         * testsuite/ver_test_5.sh: New file.
12152         * Makefile.in, testsuite/Makefile.in: Rebuild.
12153
12154         PR gold/5986
12155         Fix problems building gold with gcc 4.3.0.
12156         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12157         (gold_error_at_location, gold_warning_at_location): Use it.
12158         * configure.ac: Check whether we can compile and use a template
12159         function with a printf attribute.
12160         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12161         when jumping over bytes.
12162         * object.cc: Instantiate Object::read_section_data.
12163         * debug.h: Include <cstring>
12164         * dwarf_reader.cc: Include <algorithm>
12165         * main.cc: Include <cstring>.
12166         * options.cc: Include <cstring>.
12167         * output.cc: Include <cstring>.
12168         * script.cc: Include <cstring>.
12169         * script.h: Include <string>.
12170         * symtab.cc: Include <cstring> and <algorithm>.
12171         * target-select.cc: Include <cstring>.
12172         * version.cc: Include <string>.
12173         * testsuite/testmain.cc: Include <cstdlib>.
12174         * configure, config.in: Rebuild.
12175
12176 2008-03-25  Ian Lance Taylor  <iant@google.com>
12177
12178         * options.cc: Include "../bfd/bfdver.h".
12179         (options::help): Print bug reporting address.
12180
12181         * version.cc (print_version): Adjust output for current value of
12182         BFD_VERSION_STRING.
12183
12184         * NEWS: New file.
12185
12186         * options.cc (options::help): Print list of supported targets.
12187         * target-select.h: Include <vector>.
12188         (class Target_selector): Make machine_, size_, and is_big_endian_
12189         fields const.  Add bfd_name_ and instantiated_target_ fields.
12190         (Target_selector::Target_selector): Add bfd_name parameter.
12191         (Target_selector::recognize): Make non-virtual, call
12192         do_recognize.
12193         (Target_selector::recognize_by_name): Make non-virtual, call
12194         do_recognize_by_name.
12195         (Target_selector::supported_names): New function.
12196         (Target_selector::bfd_name): New function.
12197         (Target_selector::do_instantiate_target): New pure virtual
12198         function.
12199         (Target_selector::do_recognize): New virtual function.
12200         (Target_selector::do_recognize_by_name): New virtual function.
12201         (Target_selector::instantiate_target): New private function.
12202         (supported_target_names): Declare.
12203         * target-select.cc (Target_selector::Target_selector): Update for
12204         new parameter and fields.
12205         (select_target_by_name): Check that the name matches before
12206         calling recognize_by_name.
12207         (supported_target_names): New function.
12208         * i386.cc (class Target_selector_i386): Update Target_selector
12209         constructor call.  Remove recognize and recognize_by_name.  Add
12210         do_instantiate_target.
12211         * x86_64.cc (class Target_selector_x86_64): Likewise.
12212         * testsuite/testfile.cc (class Target_selector_test): Update for
12213         changes to Target_selector.
12214
12215         * README: Rewrite, with some notes on unsupported features.
12216
12217 2008-03-24  Cary Coutant  <ccoutant@google.com>
12218
12219         * i386.cc (Target_i386::Got_type): New enum declaration.
12220         (Target_i386::Scan::local): Updated callers of Output_data_got
12221         member functions.
12222         (Target_i386::Scan::global): Likewise.
12223         (Target_i386::Relocate::relocate): Likewise.
12224         (Target_i386::Relocate::relocate_tls): Likewise.
12225         * object.h (Got_offset_list): New class.
12226         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12227         (Sized_relobj::local_got_offset): Likewise.
12228         (Sized_relobj::set_local_got_offset): Likewise.
12229         (Sized_relobj::local_has_tls_got_offset): Removed.
12230         (Sized_relobj::local_tls_got_offset): Removed.
12231         (Sized_relobj::set_local_tls_got_offset): Removed.
12232         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12233         * output.cc (Output_data_got::add_global): Added got_type parameter.
12234         (Output_data_got::add_global_with_rel): Likewise.
12235         (Output_data_got::add_global_with_rela): Likewise.
12236         (Output_data_got::add_global_pair_with_rel): New function.
12237         (Output_data_got::add_global_pair_with_rela): New function.
12238         (Output_data_got::add_local): Added got_type parameter.
12239         (Output_data_got::add_local_with_rel): Likewise.
12240         (Output_data_got::add_local_with_rela): Likewise.
12241         (Output_data_got::add_local_pair_with_rel): New function.
12242         (Output_data_got::add_local_pair_with_rela): New function.
12243         (Output_data_got::add_global_tls): Removed.
12244         (Output_data_got::add_global_tls_with_rel): Removed.
12245         (Output_data_got::add_global_tls_with_rela): Removed.
12246         (Output_data_got::add_local_tls): Removed.
12247         (Output_data_got::add_local_tls_with_rel): Removed.
12248         (Output_data_got::add_local_tls_with_rela): Removed.
12249         * output.h (Output_data_got::add_global): Added got_type parameter.
12250         (Output_data_got::add_global_with_rel): Likewise.
12251         (Output_data_got::add_global_with_rela): Likewise.
12252         (Output_data_got::add_global_pair_with_rel): New function.
12253         (Output_data_got::add_global_pair_with_rela): New function.
12254         (Output_data_got::add_local): Added got_type parameter.
12255         (Output_data_got::add_local_with_rel): Likewise.
12256         (Output_data_got::add_local_with_rela): Likewise.
12257         (Output_data_got::add_local_pair_with_rel): New function.
12258         (Output_data_got::add_local_pair_with_rela): New function.
12259         (Output_data_got::add_global_tls): Removed.
12260         (Output_data_got::add_global_tls_with_rel): Removed.
12261         (Output_data_got::add_global_tls_with_rela): Removed.
12262         (Output_data_got::add_local_tls): Removed.
12263         (Output_data_got::add_local_tls_with_rel): Removed.
12264         (Output_data_got::add_local_tls_with_rela): Removed.
12265         * resolve.cc (Symbol::override_base_with_special): Removed
12266         reference to has_got_offset_ field.
12267         * symtab.cc (Symbol::init_fields): Replaced initialization
12268         of got_offset_ with got_offsets_.  Removed initialization
12269         of has_got_offset_
12270         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12271         (Symbol::got_offset): Likewise.
12272         (Symbol::set_got_offset): Likewise.
12273         (Symbol::has_tls_got_offset): Removed.
12274         (Symbol::tls_got_offset): Removed.
12275         (Symbol::set_tls_got_offset): Removed.
12276         (Symbol::got_offset_): Removed.
12277         (Symbol::tls_mod_got_offset_): Removed.
12278         (Symbol::tls_pair_got_offset_): Removed.
12279         (Symbol::got_offsets_): New field.
12280         (Symbol::has_got_offset): Removed.
12281         (Symbol::has_tls_mod_got_offset): Removed.
12282         (Symbol::has_tls_pair_got_offset): Removed.
12283         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12284         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12285         member functions.
12286         (Target_x86_64::Scan::global): Likewise.
12287         (Target_x86_64::Relocate::relocate): Likewise.
12288         (Target_x86_64::Relocate::relocate_tls): Likewise.
12289
12290 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12291
12292         * yyscript.y: Fix spelling error in comment.
12293
12294 2008-03-24  Ian Lance Taylor  <iant@google.com>
12295
12296         * options.h (class General_options): Define build_id option.
12297         * layout.h (class Layout): Declare write_build_id, create_note,
12298         create_build_id.  Add build_id_note_ member.
12299         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12300         "libiberty.h", "md5.h", "sha1.h".
12301         (Layout::Layout): Initialize eh_frame_data_,
12302         eh_frame_hdr_section_, and build_id_note_.
12303         (Layout::finalize): Call create_build_id.
12304         (Layout::create_note): New function, broken out of
12305         Layout::create_gold_note.
12306         (Layout::create_gold_note): Call create_note.
12307         (Layout::create_build_id): New function.
12308         (Layout::write_build_id): New function.
12309         (Close_task_runner::run): Call write_build_id.
12310
12311         * x86_64.cc: Correct license to GPLv3.
12312
12313 2008-03-23  Ian Lance Taylor  <iant@google.com>
12314
12315         * options.cc: Include "demangle.h".
12316         (parse_optional_string): New function.
12317         (parse_long_option): Handle takes_optional_argument.
12318         (parse_short_option): Update dash_z initializer.  Handle
12319         takes_optional_argument.
12320         (General_options::General_options): Initialize do_demangle_.
12321         (General_options::finalize): Set do_demangle_.  Handle demangling
12322         style.
12323         * options.h (parse_optional_string): Declare.
12324         (struct One_option): Add optional_arg field.  Update constructor.
12325         Update call constructor calls.  Add takes_optional_argument
12326         function.
12327         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12328         (DEFINE_optional_string): Define.
12329         (General_options::demangle): Change from DEFINE_bool to
12330         DEFINE_optional_string.
12331         (General_options::no_demangle): New function.
12332         (General_options::do_demangle): New function.
12333         (General_options::set_do_demangle): New function.
12334         (General_options::execstack_status_): Move definition to end of
12335         class definition.
12336         (General_options::static_): Likewise.
12337         (General_options::do_demangle_): New field.
12338         * object.cc (big_endian>::get_symbol_location_info): Call
12339         Options::do_demangle, not Options::demangle.
12340         * symtab.cc (demangle): Likewise.
12341
12342 2008-03-22  Ian Lance Taylor  <iant@google.com>
12343
12344         * gold.h: Include <cstddef> and <sys/types.h>
12345         * options.h: Include <cstring>.
12346
12347 2008-03-21  Ian Lance Taylor  <iant@google.com>
12348
12349         * Added source code to GNU binutils.