gold/ChangeLog

   1 2011-11-02  Ian Lance Taylor  <iant@google.com>
   2
   3         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
   4         NATIVE_LINKER.
   5         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
   6         * options.cc (General_options::finalize): Use library search path
   7         from configure script if specified.  If not native and no sysroot,
   8         only search TOOLLIBDIR.
   9         * options.h (Search_directory::Search_directory): Change name to
  10         const std::string&.
  11         (General_options::add_to_library_path_with_sysroot): Change arg to
  12         const std::string&.
  13         * configure, Makefile.in, config.in: Rebuild.
  14
  15 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
  16
  17         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
  18         we are working around the ARM1176 Erratum.
  19         * options.h (General_options::fix_arm1176): Add option.
  20         * testsuite/Makefile.am: Add testcases, and keep current ones
  21         working.
  22         * testsuite/Makefile.in: Regenerate.
  23         * testsuite/arm_fix_1176.s: New file.
  24         * testsuite/arm_fix_1176.sh: Likewise.
  25
  26 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
  27
  28         * arm.cc (Target_arm::Target_arm): Remove initialisation of
  29         may_use_blx_.
  30         (Target_arm::may_use_blx): Remove method.
  31         (Target_arm::set_may_use_blx): Likewise.
  32         (Target_arm::may_use_v4t_interworking): New method.
  33         (Target_arm::may_use_v5t_interworking): Likewise.
  34         (Target_arm::may_use_blx_): Remove member variable.
  35         (Arm_relocate_functions::arm_branch_common): Check for v5T
  36         interworking.
  37         (Arm_relocate_functions::thumb_branch_common): Likewise.
  38         (Reloc_stub::stub_type_for_reloc): Likewise.
  39         (Target_arm::do_finalize_sections): Correct interworking checks.
  40         * testsuite/Makefile.am: Add new tests.
  41         * testsuite/Makefile.in: Regenerate.
  42         * testsuite/arm_farcall_arm_arm.s: New test.
  43         * testsuite/arm_farcall_arm_arm.sh: Likewise.
  44         * testsuite/arm_farcall_arm_thumb.s: Likewise.
  45         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
  46         * testsuite/arm_farcall_thumb_arm.s: Likewise.
  47         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
  48         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
  49         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
  50
  51 2011-10-31  Cary Coutant  <ccoutant@google.com>
  52
  53         PR gold/13023
  54         * expression.cc (Expression::eval_with_dot): Add
  55         is_section_dot_assignment parameter.
  56         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
  57         absolute and assigning to dot within a section.
  58         * script-sections.cc
  59         (Output_section_element_assignment::set_section_addresses): Pass
  60         dot_section to set_if_absolute.
  61         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
  62         as is_section_dot_assignment flag to eval_with_dot.
  63         (Output_section_element_dot_assignment::set_section_addresses):
  64         Likewise.
  65         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
  66         parameter.  Also set value if relative to dot_section; set the
  67         symbol's output_section.
  68         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
  69         parameter.  Adjust all callers.
  70         (Expression::eval_maybe_dot): Likewise.
  71         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
  72         Adjust all callers.
  73         * testsuite/script_test_2.t: Test assignment of an absolute value
  74         to dot within an output section element.
  75
  76 2011-10-31  Cary Coutant  <ccoutant@google.com>
  77
  78         * options.h (class General_options): Add --[no-]gnu-unique options.
  79         * symtab.cc (Symbol_table::sized_write_globals): Convert
  80         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
  81
  82 2011-10-31  Cary Coutant  <ccoutant@google.com>
  83
  84         PR gold/13359
  85         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
  86         unnecessary assertion.
  87         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
  88
  89 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
  90
  91         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
  92         gc_mark_symbol.
  93         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
  94         gc_mark_symbol.
  95         Change to just keep the section associated with symbol.
  96         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
  97         they are externally visible and --export-dynamic is turned on.
  98         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
  99
 100 2011-10-19  Ian Lance Taylor  <iant@google.com>
 101
 102         PR gold/13163
 103         * script-sections.cc
 104         (Output_section_element_dot_assignment::needs_output_section): New
 105         function.
 106
 107 2011-10-19  Ian Lance Taylor  <iant@google.com>
 108
 109         PR gold/13204
 110         * layout.cc (Layout::segment_precedes): Don't assert failure if a
 111         --section-start option was seen.
 112         * options.h (General_options::any_section_start): New function.
 113
 114 2011-10-18  David S. Miller  <davem@davemloft.net>
 115
 116         PR binutils/13301
 117         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
 118         member to track relocation locations that have moved during TLS
 119         reloc optimizations.
 120         (Target_sparc::Relocate::Relocate): Initialize to NULL.
 121         (Target_sparc::Relocate::relocate): Adjust view down by 4
 122         bytes if it matches reloc_adjust_addr_.
 123         (Target_sparc::Relocate::relocate_tls): Always move the
 124         __tls_get_addr call delay slot instruction forward 4 bytes when
 125         performing relaxation.
 126
 127 2011-10-18  Cary Coutant  <ccoutant@google.com>
 128
 129         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
 130         (Output_file::map_no_anonymous): Check for non-zero
 131         return code from posix_fallocate.
 132
 133 2011-10-17  Cary Coutant  <ccoutant@google.com>
 134
 135         PR gold/13245
 136         * plugin.cc (is_visible_from_outside): Check for symbols
 137         referenced from dynamic objects.
 138         * resolve.cc (Symbol_table::resolve): Don't count references
 139         from dynamic objects as references from real ELF files.
 140         * testsuite/plugin_test_2.sh: Adjust expected result.
 141
 142 2011-10-17  Cary Coutant  <ccoutant@google.com>
 143
 144         * gold.cc: Include timer.h.
 145         (queue_middle_tasks): Stamp time.
 146         (queue_final_tasks): Likewise.
 147         * main.cc (main): Store timer in parameters.  Print timers
 148         for each pass.
 149         * parameters.cc (Parameters::Parameters): Initialize timer_.
 150         (Parameters::set_timer): New function.
 151         (set_parameters_timer): New function.
 152         * parameters.h (Parameters::set_timer): New function.
 153         (Parameters::timer): New function.
 154         (Parameters::timer_): New data member.
 155         (set_parameters_timer): New function.
 156         * timer.cc (Timer::stamp): New function.
 157         (Timer::get_pass_time): New function.
 158         * timer.h (Timer::stamp): New function.
 159         (Timer::get_pass_time): New function.
 160         (Timer::pass_times_): New data member.
 161
 162 2011-10-17  Cary Coutant  <ccoutant@google.com>
 163
 164         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
 165         task for members of lib groups.
 166
 167 2011-10-17  Cary Coutant  <ccoutant@google.com>
 168
 169         PR gold/13288
 170         * fileread.cc (File_read::find_view): Add assert.
 171         (File_read::make_view): Move bounds check (replace with assert)...
 172         (File_read::find_or_make_view): ... to here.
 173
 174 2011-10-12  Cary Coutant  <ccoutant@google.com>
 175
 176         * output.cc (Output_file::open_base_file): Handle case where
 177         ::read returns less than requested size.
 178
 179 2011-10-10  Cary Coutant  <ccoutant@google.com>
 180
 181         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
 182         Initialize defined_count_.
 183         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
 184         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
 185         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
 186         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
 187         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
 188         * incremental.h (Sized_relobj_incr::defined_count_): New data
 189         member.
 190         (Sized_incr_dynobj::defined_count_): New data member.
 191         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
 192         Return zeroes instead of internal error.
 193
 194 2011-10-10  Cary Coutant  <ccoutant@google.com>
 195
 196         PR gold/13249
 197         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
 198         (Output_reloc::symbol_value): Return PLT offset if flag is set.
 199         * output.h (class Output_reloc): Add use_plt_offset flag.
 200         (Output_reloc::type_): Adjust size of bit field.
 201         (Output_reloc::use_plt_offset_): New bit field.
 202         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
 203         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
 204         flag.  Adjust all callers.
 205         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
 206         creating RELATIVE relocations.
 207
 208 2011-10-10  Nick Clifton  <nickc@redhat.com>
 209
 210         * po/es.po: Updated Spanish translation.
 211         * po/fi.po: Updated Finnish translation.
 212
 213 2011-10-03   Diego Novillo  <dnovillo@google.com>
 214
 215         * options.cc (parse_uint): Fix dereference of RETVAL.
 216
 217 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
 218
 219         * layout.h (section_order_map_): New member.
 220         (get_section_order_map): New member function.
 221         * output.cc (Output_section::add_input_section): Check for patterns
 222         only when --section-ordering-file is specified.
 223         * gold.cc (queue_middle_tasks): Delay updating order of sections till
 224         output_sections have been formed.
 225         * layout.cc (Layout_Layout): Initialize section_order_map_.
 226         * plugin.cc (update_section_order): Store order in order_map. Do not
 227         update the order.
 228         * testsuite/Makefile.am: Add test case for plugin_final_layout.
 229         * testsuite/Makefile.in: Regenerate.
 230         * testsuite/plugin_section_order.c: New file.
 231         * testsuite/plugin_final_layout.cc: New file.
 232         * testsuite/plugin_final_layout.sh: New file.
 233
 234 2011-09-29  Cary Coutant  <ccoutant@google.com>
 235
 236         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 237         Check for NULL.
 238         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
 239         symbols during incremental update.
 240         (Symbol_table::add_from_dynobj): Likewise.
 241
 242 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 243             Ian Lance Taylor  <iant@google.com>
 244
 245         * symtab.cc (Symbol_table::define_special_symbol): Always
 246         canonicalize version string.
 247
 248 2011-09-26  Cary Coutant  <ccoutant@google.com>
 249
 250         * gold.cc (queue_initial_tasks): Move option checks ...
 251         * options.cc (General_options::finalize): ... to here. Disable
 252         some options; make others fatal.
 253
 254 2011-09-26  Cary Coutant  <ccoutant@google.com>
 255
 256         gcc PR lto/47247
 257         * plugin.cc (get_symbols_v2): New function.
 258         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 259         (is_referenced_from_outside): New function.
 260         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 261         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 262         (get_symbols): Pass version parameter.
 263         (get_symbols_v2): New function.
 264         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 265         parameter.
 266         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 267         (onload): Add LDPT_GET_SYMBOLS_V2.
 268         (all_symbols_read_hook): Use get_symbols_v2; check for
 269         LDPR_PREVAILING_DEF_IRONLY_EXP.
 270         * testsuite/plugin_test_3.sh: Update expected results.
 271
 272 2011-09-23  Simon Baldwin  <simonb@google.com>
 273
 274         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 275         configuration options.
 276         * configure: Regenerate.
 277         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 278         * Makefile.in: Regenerate.
 279         * testsuite/Makefile.in: Regenerate.
 280
 281 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 282
 283         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 284
 285 2011-09-19  Cary Coutant  <ccoutant@google.com>
 286
 287         * incremental.cc (can_incremental_update): Fix typo in comment.
 288         * incremental.h (can_incremental_update): Likewise.
 289
 290 2011-09-18  Cary Coutant  <ccoutant@google.com>
 291
 292         * incremental.cc (can_incremental_update): New function.
 293         * incremental.h (can_incremental_update): New function.
 294         * layout.cc (Layout::init_fixed_output_section): Call it.
 295         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 296         * object.cc (Sized_relobj_file::do_layout): Call
 297         can_incremental_update.
 298
 299 2011-09-13  Cary Coutant  <ccoutant@google.com>
 300
 301         * configure.ac: Check for glibc support for gnu_indirect_function
 302         support with static linking, setting automake conditional
 303         IFUNC_STATIC.
 304         * Makefile.in: Regenerate.
 305         * configure: Regenerate.
 306
 307         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 308         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 309         for IFUNC_STATIC.
 310         * testsuite/Makefile.in: Regenerate.
 311
 312 2011-09-13  Cary Coutant  <ccoutant@google.com>
 313
 314         * incremental.cc (Sized_relobj_incr::do_layout): Call
 315         report_comdat_group for kept comdat sections.
 316         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 317         * testsuite/Makefile.in: Regenerate.
 318         * testsuite/incr_comdat_test_1.cc: New source file.
 319         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 320         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 321         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 322
 323 2011-09-13  Ian Lance Taylor  <iant@google.com>
 324
 325         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 326         variable external_symbols_offset.
 327
 328 2011-09-12  Ian Lance Taylor  <iant@google.com>
 329
 330         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 331         triggered if object has no symbols.
 332
 333 2011-09-09  David S. Miller  <davem@davemloft.net>
 334
 335         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 336         (Output_fill_debug_line::do_write): Likewise.
 337
 338 2011-08-29  Cary Coutant  <ccoutant@google.com>
 339
 340         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 341         casts to match formatting specs.
 342         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 343
 344 2011-08-26  Cary Coutant  <ccoutant@google.com>
 345
 346         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 347         remaining hole size when allocating.
 348         (Layout::make_output_section): Set fill methods for debug sections.
 349         * layout.h (Free_list::Free_list_node): Move from private to
 350         public.
 351         (Free_list::set_min_hole_size): New function.
 352         (Free_list::begin, Free_list::end): New functions.
 353         (Free_list::min_hole_): New data member.
 354         * output.cc: Include dwarf.h.
 355         (Output_fill_debug_info::do_minimum_hole_size): New function.
 356         (Output_fill_debug_info::do_write): New function.
 357         (Output_fill_debug_line::do_minimum_hole_size): New function.
 358         (Output_fill_debug_line::do_write): New function.
 359         (Output_section::Output_section): Initialize new data member.
 360         (Output_section::set_final_data_size): Ensure patch space is larger
 361         than minimum hole size.
 362         (Output_section::do_write): Fill holes in debug sections.
 363         * output.h (Output_fill): New class.
 364         (Output_fill_debug_info): New class.
 365         (Output_fill_debug_line): New class.
 366         (Output_section::set_free_space_fill): New function.
 367         (Output_section::free_space_fill_): New data member.
 368         * testsuite/Makefile.am (incremental_test_3): Add
 369         --incremental-patch option.
 370         (incremental_test_4): Likewise.
 371         (incremental_test_5): Likewise.
 372         (incremental_test_6): Likewise.
 373         (incremental_copy_test): Likewise.
 374         (incremental_common_test_1): Likewise.
 375         * testsuite/Makefile.in: Regenerate.
 376
 377 2011-08-26  Nick Clifton  <nickc@redhat.com>
 378
 379         * po/es.po: Updated Spanish translation.
 380
 381 2011-08-01  Cary Coutant  <ccoutant@google.com>
 382
 383         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 384         * gold/testsuite/Makefile.in: Regenerate.
 385         * gold/testsuite/justsyms_exec.c: New source file.
 386         * gold/testsuite/justsyms_lib.c: New source file.
 387
 388 2011-08-01  Cary Coutant  <ccoutant@google.com>
 389
 390         * layout.cc (Layout::set_segment_offsets): Don't realign text
 391         segment if -Ttext was specified.
 392         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 393         file type.
 394         * object.h (Sized_relobj_file::e_type): New function.
 395         (Sized_relobj_file::e_type_): New data member.
 396         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 397         base address for ET_EXEC files.
 398         * target.cc (Target::do_make_elf_object_implementation): Allow
 399         ET_EXEC files with --just-symbols option.
 400
 401 2011-07-28  Cary Coutant  <ccoutant@google.com>
 402
 403         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 404         Add thread_number parameter.
 405         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 406         * workqueue-threads.cc
 407         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 408         current thread if its thread number is greater than desired thread
 409         count.
 410         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 411         Add thread_number parameter.
 412         (Workqueue::should_cancel_thread): Likewise.
 413         (Workqueue::find_runnable_or_wait): Pass thread_number to
 414         should_cancel_thread.
 415         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 416         parameter.
 417
 418 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 419
 420         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 421         only after checking if it cannot be forced local.
 422         * symtab.h (is_externally_visible): Check if the symbol is not forced
 423         local.
 424
 425 2011-07-15  Ian Lance Taylor  <iant@google.com>
 426
 427         * options.h (class General_options): Add --print-output-format.
 428         Move -EL next to -EB, for  better --help output.
 429         * target-select.cc: Include <cstdio>, "options.h", and
 430         "parameters.h".
 431         (Target_selector::do_target_bfd_name): New function.
 432         (print_output_format): New function.
 433         * target-select.h (class Target_selector): Update declarations.
 434         (Target_selector::target_bfd_name): New function.
 435         (print_output_format): Declare.
 436         * main.cc: Include "target-select.h".
 437         (main): Handle --print-output-format.
 438         * gold.cc: Include "target-select.h".
 439         (queue_initial_tasks): Handle --print-output-format when there are
 440         no input files.
 441         * parameters.cc (parameters_force_valid_target): Give a better
 442         error message if -EB/-EL does not match target.
 443         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 444         function.
 445
 446 2011-07-15  Ian Lance Taylor  <iant@google.com>
 447
 448         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 449         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 450         (Output_data_plt_i386::do_write): Write address of .dynamic
 451         section to first entry in .got.plt section.
 452         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 453         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 454         Initialize layout_.
 455         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 456         section to first entry in .got.plt section.
 457         * layout.h (Layout::dynamic_section): New function.
 458
 459 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 460
 461         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 462         to claim_file call.
 463         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 464         input_section_position_, and input_section_glob_.
 465         (read_layout_from_file): Call function section_ordering_specified.
 466         * layout.h (is_section_ordering_specified): New function.
 467         (section_ordering_specified): New function.
 468         (section_ordering_specified_): New boolean member.
 469         * main.cc(main): Call load_plugins after layout object is defined.
 470         * output.cc (Output_section::add_input_section): Use
 471         function section_ordering_specified to check if section ordering is
 472         needed.
 473         * output.cc (Output_section::add_relaxed_input_section): Use
 474         function section_ordering_specified to check if section ordering is
 475         needed.
 476         (Output_section::update_section_layout): New function.
 477         (Output_section::sort_attached_input_sections): Check if input section
 478         must be reordered.
 479         * output.h (Output_section::update_section_layout): New function.
 480         * plugin.cc (get_section_count): New function.
 481         (get_section_type): New function.
 482         (get_section_name): New function.
 483         (get_section_contents): New function.
 484         (update_section_order): New function.
 485         (allow_section_ordering): New function.
 486         (Plugin::load): Add the new interfaces to the transfer vector.
 487         (Plugin_manager::load_plugins): New parameter.
 488         (Plugin_manager::all_symbols_read): New parameter.
 489         (Plugin_manager::claim_file): New parameter. Save the elf object for
 490         unclaimed objects.
 491         (Plugin_manager::get_elf_object): New function.
 492         (Plugin_manager::get_view): Change to directly use the bool to check
 493         if get_view is called from claim_file_hook.
 494         * plugin.h (input_objects): New function
 495         (Plugin__manager::load_plugins): New parameter.
 496         (Plugin_manager::claim_file): New parameter.
 497         (Plugin_manager::get_elf_object): New function.
 498         (Plugin_manager::in_claim_file_handler): New function.
 499         (Plugin_manager::in_claim_file_handler_): New member.
 500         (layout): New function.
 501         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 502         handler with an extra parameter. Make the elf object before calling
 503         claim_file handler.
 504         * testsuite/plugin_test.c (get_section_count): New function pointer.
 505         (get_section_type): New function pointer.
 506         (get_section_name): New function pointer.
 507         (get_section_contents): New function pointer.
 508         (update_section_order): New function pointer.
 509         (allow_section_ordering): New function pointer.
 510         (onload): Check if the new interfaces exist.
 511
 512 2011-07-13  Ian Lance Taylor  <iant@google.com>
 513
 514         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 515         relro section.
 516         * x86_64.cc (Target_x86_64::got_section): Likewise.
 517         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 518         (relro_now_test_SOURCES): New variable.
 519         (relro_now_test_DEPENDENCIES): New variable.
 520         (relro_now_test_LDFLAGS): New variable.
 521         (relro_now_test_LDADD): New variable.
 522         (relro_now_test.so): New target.
 523         * testsuite/Makefile.in: Rebuild.
 524
 525 2011-07-12  Ian Lance Taylor  <iant@google.com>
 526
 527         PR gold/12980
 528         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 529         GLOB_DAT relocation rather than a RELATIVE relocation for a
 530         protected symbol when creating a shared library.
 531         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 532         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 533         * testsuite/protected_main_1.cc (main): Test that protected
 534         function has same address.
 535
 536 2011-07-11  Ian Lance Taylor  <iant@google.com>
 537
 538         PR gold/12979
 539         * options.h (class General_options): Add -Bgroup.
 540         * options.cc (General_options::finalize): If -Bgroup is set,
 541         default to --unresolved-symbols=report-all.
 542         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 543         * target-reloc.h (issue_undefined_symbol_error): Handle
 544         --unresolved-symbols=report-all.
 545
 546 2011-07-08  Ian Lance Taylor  <iant@google.com>
 547
 548         PR gold/11985
 549         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 550         if linker script discards key sections.
 551         (Layout::create_dynamic_symtab): Likewise.
 552         (Layout::assign_local_dynsym_offsets): Likewise.
 553         (Layout::sized_create_version_sections): Likewise.
 554         (Layout::create_interp): Likewise.
 555         (Layout::finish_dynamic_section): Likewise.
 556         (Layout::set_dynamic_symbol_size): Likewise.
 557
 558 2011-07-08  Ian Lance Taylor  <iant@google.com>
 559
 560         PR gold/12386
 561         * options.h (class General_options): Add --unresolved-symbols.
 562         * target-reloc.h (issue_undefined_symbol_error): Check
 563         --unresolved-symbols.  Add comments.
 564
 565 2011-07-08  Ian Lance Taylor  <iant@google.com>
 566
 567         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 568         expression more complex.
 569
 570 2011-07-08  Ian Lance Taylor  <iant@google.com>
 571
 572         PR gold/11317
 573         * target-reloc.h (issue_undefined_symbol_error): New inline
 574         function, broken out of relocate_section.
 575         (relocate_section): Call issue_undefined_symbol_error.
 576         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 577         there is no TLS segment if we are about to issue an undefined
 578         symbol error.
 579         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 580
 581 2011-07-08  Ian Lance Taylor  <iant@google.com>
 582
 583         PR gold/12279
 584         * resolve.cc (Symbol_table::should_override): Add fromtype
 585         parameter.  Change all callers.  Give error when linking together
 586         TLS and non-TLS symbol.
 587         (Symbol_table::should_override_with_special): Add fromtype
 588         parameter.  Change all callers.
 589         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 590         there is no TLS segment if we have reported some errors.
 591         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 592
 593 2011-07-08  Ian Lance Taylor  <iant@google.com>
 594
 595         PR gold/12372
 596         * target.h (Target::plt_address_for_global): New function.
 597         (Target::plt_address_for_local): New function.
 598         (Target::plt_section_for_global): Remove.
 599         (Target::plt_section_for_local): Remove.
 600         (Target::do_plt_address_for_global): New virtual function.
 601         (Target::do_plt_address_for_local): New virtual function.
 602         (Target::do_plt_section_for_global): Remove.
 603         (Target::do_plt_section_for_local): Remove.
 604         (Target::register_global_plt_entry): Add Symbol_table and Layout
 605         parameters.
 606         * output.cc (Output_data_got::Got_entry::write): Use
 607         plt_address_for_global and plt_address_for_local.
 608         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 609         address of output section.
 610         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 611         got_irelative_, and irelative_count_ fields.  Update
 612         declarations.
 613         (Output_data_plt_i386::has_irelative_section): New function.
 614         (Output_data_plt_i386::entry_count): Add irelative_count_.
 615         (Output_data_plt_i386::set_final_data_size): Likewise.
 616         (class Target_i386): Add got_irelative_ and rel_irelative_
 617         fields.  Update declarations.
 618         (Target_i386::Target_i386): Initialize new fields.
 619         (Target_i386::do_plt_address_for_global): New function replacing
 620         do_plt_section_for_global.
 621         (Target_i386::do_plt_address_for_local): New function replacing
 622         do_plt_section_for_local.
 623         (Target_i386::got_section): Create got_irelative_.
 624         (Target_i386::rel_irelative_section): New function.
 625         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 626         fields.  Don't define __rel_iplt_{start,end}.
 627         (Output_data_plt_i386::add_entry): Add symtab and layout
 628         parameters.  Change all callers.  Use different PLT and GOT for
 629         IFUNC symbols.
 630         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 631         layout parameters.  Change all callers.  Use different PLT and
 632         GOT.
 633         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 634         (Output_data_plt_i386::rel_irelative): New function.
 635         (Output_data_plt_i386::address_for_global): New function.
 636         (Output_data_plt_i386::address_for_local): New function.
 637         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 638         IRELATIVE GOT when changing IFUNC GOT entries.
 639         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 640         reloc.
 641         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 642         if we didn't create an IRELATIVE GOT.
 643         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 644         plt_address_for_local.
 645         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 646         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 647         got_irelative_, and irelative_count_ fields.  Update
 648         declarations.
 649         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 650         Initialize new fields.  Remove symtab parameter.  Change all
 651         callers.
 652         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 653         irelative_count_.
 654         (Output_data_plt_x86_64::has_irelative_section): New function.
 655         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 656         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 657         fields.  Update declarations.
 658         (Target_x86_64::Target_x86_64): Initialize new fields.
 659         (Target_x86_64::do_plt_address_for_global): New function replacing
 660         do_plt_section_for_global.
 661         (Target_x86_64::do_plt_address_for_local): New function replacing
 662         do_plt_section_for_local.
 663         (Target_x86_64::got_section): Create got_irelative_.
 664         (Target_x86_64::rela_irelative_section): New function.
 665         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 666         all callers.  Don't create __rel_iplt_{start,end}.
 667         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 668         parameters.  Change all callers.  Use different PLT and GOT for
 669         IFUNC symbols.
 670         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 671         layout parameters.  Change all callers.  Use different PLT and
 672         GOT.
 673         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 674         parameters.  Change all callers.  Use different PLT and GOT for
 675         IFUNC symbols.
 676         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 677         (Output_data_plt_x86_64::rela_irelative): New function.
 678         (Output_data_plt_x86_64::address_for_global): New function.
 679         (Output_data_plt_x86_64::address_for_local): New function.
 680         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 681         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 682         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 683         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 684         parameters.
 685         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 686         reloc.
 687         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 688         symbols if we didn't create an IRELATIVE GOT.
 689         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 690         plt_address_for_local.
 691         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 692         * testsuite/ifuncvar1.c: New test file.
 693         * testsuite/ifuncvar2.c: New test file.
 694         * testsuite/ifuncvar3.c: New test file.
 695         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 696         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 697         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 698         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 699         * testsuite/Makefile.in: Rebuild.
 700
 701 2011-07-07  Cary Coutant  <ccoutant@google.com>
 702
 703         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 704         (two_file_test_1_ndebug.o): Likewise.
 705         (two_file_test_1b_ndebug.o): Likewise.
 706         (two_file_test_2_ndebug.o): Likewise.
 707         (two_file_test_main_ndebug.o): Likewise.
 708         (incremental_test_2): Link with no-debug versions.
 709
 710 2011-07-06  Cary Coutant  <ccoutant@google.com>
 711
 712         * gold/incremental.cc
 713         (Output_section_incremental_inputs::write_info_blocks): Check for
 714         hidden and internal symbols.
 715
 716 2011-07-06  Cary Coutant  <ccoutant@google.com>
 717
 718         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 719         Check disposition for startup file.
 720         (Incremental_inputs::report_command_line): Ignore
 721         --incremental-startup-unchanged option.
 722         * options.cc (General_options::parse_incremental_startup_unchanged):
 723         New function.
 724         (General_options::General_options): Initialize new data member.
 725         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 726         (General_options): Add --incremental-startup-unchanged option.
 727         (General_options::incremental_startup_disposition): New function.
 728         (General_options::incremental_startup_disposition_): New data member.
 729
 730 2011-07-06  Cary Coutant  <ccoutant@google.com>
 731
 732         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 733         input file index to Script_info ctor.
 734         (Sized_incremental_binary::do_file_has_changed): Find the
 735         command-line argument for files named in scripts.
 736         * incremental.h (Script_info::Script_info): New ctor
 737         with input file index.
 738         (Script_info::input_file_index): New function.
 739         (Script_info::input_file_index_): New data member.
 740         (Incremental_binary::get_library): Add const.
 741         (Incremental_binary::get_script_info): Add const.
 742         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 743         * testsuite/Makefile.am (incremental_test_5): New test case.
 744         (incremental_test_6): New test case.
 745         * testsuite/Makefile.in: Regenerate.
 746
 747 2011-07-06  Cary Coutant  <ccoutant@google.com>
 748
 749         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 750         debug output when command lines differ.
 751
 752 2011-07-06  Cary Coutant  <ccoutant@google.com>
 753
 754         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 755         --incremental-patch option.
 756         * layout.cc (Free_list::allocate): Extend allocation beyond original
 757         end if enabled.
 758         (Layout::make_output_section): Mark sections that should get
 759         patch space.
 760         * options.cc (parse_percent): New function.
 761         * options.h (parse_percent): New function.
 762         (DEFINE_percent): New macro.
 763         (General_options): Add --incremental-patch option.
 764         * output.cc (Output_section::Output_section): Initialize new data
 765         members.
 766         (Output_section::add_input_section): Print section name when out
 767         of patch space.
 768         (Output_section::add_output_section_data): Likewise.
 769         (Output_section::set_final_data_size): Add patch space when
 770         doing --incremental-full.
 771         (Output_section::do_reset_address_and_file_offset): Remove patch
 772         space.
 773         (Output_segment::set_section_list_addresses): Print debug output
 774         only if --incremental-update.
 775         * output.h (Output_section::set_is_patch_space_allowed): New function.
 776         (Output_section::is_patch_space_allowed_): New data member.
 777         (Output_section::patch_space_): New data member.
 778         * parameters.cc (Parameters::incremental_full): New function.
 779         * parameters.h (Parameters::incremental_full): New function
 780         * testsuite/Makefile.am (incremental_test_2): Add test for
 781         --incremental-patch option.
 782         * testsuite/Makefile.in: Regenerate.
 783         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 784         (t18): Remove function body.
 785
 786 2011-07-05  Doug Kwan  <dougkwan@google.com>
 787
 788         PR gold/12771
 789         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 790         Arm_Address type for relocation result.
 791         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 792         overflow check.
 793         (Arm_relocate_functions::abs32): Use unaligned access.
 794         (Arm_relocate_functions::rel32): Ditto.
 795         (Arm_relocate_functions::prel31): Ditto.
 796         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 797         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 798         static data relocations.
 799         * testsuite/Makefile.in: Regnerate.
 800         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 801
 802 2011-07-05  Ian Lance Taylor  <iant@google.com>
 803
 804         PR gold/12392
 805         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 806         symbols if necessary.
 807         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 808
 809 2011-07-05  Ian Lance Taylor  <iant@google.com>
 810
 811         PR gold/12952
 812         * resolve.cc (Symbol::override_base_with_special): Simply override
 813         version with special symbol version, ignoring previous version.
 814
 815 2011-07-05  Ian Lance Taylor  <iant@google.com>
 816
 817         * object.cc (Sized_relobj_file::include_section_group): Add
 818         information to comment about signature location.
 819
 820 2011-07-02  Ian Lance Taylor  <iant@google.com>
 821
 822         PR gold/12957
 823         * options.h (class General_options): Add -f and -F.
 824         * options.cc (General_options::finalize): Fatal error if -f/-F
 825         are used without -shared.
 826         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
 827
 828 2011-07-02  Ian Lance Taylor  <iant@google.com>
 829
 830         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
 831
 832 2011-07-01  Ian Lance Taylor  <iant@google.com>
 833
 834         PR gold/12525
 835         PR gold/12952
 836         * resolve.cc (Symbol::override_base_with_special): Don't override
 837         the version if the overriding symbol has a different name.
 838         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
 839         all callers.  If we give an error about an undefined version,
 840         define the base version if necessary.
 841         * dynobj.h (class Versions): Update declaration.
 842         * testsuite/weak_alias_test_5.cc: New file.
 843         * testsuite/weak_alias_test.script: New file.
 844         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
 845         and versioned_alias have the right value, and call t2.
 846         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
 847         weak_alias_test_5.so.
 848         (weak_alias_test_LDADD): Likewise.
 849         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
 850         * testsuite/Makefile.in: Rebuild.
 851
 852 2011-07-01  Ian Lance Taylor  <iant@google.com>
 853
 854         PR gold/12525
 855         * options.h (class General_options): Support -z notext.
 856         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
 857         -Wl,-z,notext.
 858         (two_file_shared_nonpic.so): Likewise.
 859         (two_file_shared_mixed.so): Likewise.
 860         (two_file_shared_mixed_1.so): Likewise.
 861         (weak_undef_lib_nonpic.so): Likewise.
 862         (alt/weak_undef_lib_nonpic.so): Likewise.
 863         (tls_test_shared_nonpic.so): Likewise.
 864         * testsuite/Makefile.in: Rebuild.
 865
 866 2011-07-01  Ian Lance Taylor  <iant@google.com>
 867
 868         PR gold/12525
 869         * configure.ac: Test whether static linking works, setting
 870         the automake conditional HAVE_STATIC.
 871         * testsuite/Makefile.am: Disable tests using -static if
 872         HAVE_STATIC is not true.
 873         * configure, testsuite/Makefile.in: Rebuild.
 874
 875 2011-07-01  Ian Lance Taylor  <iant@google.com>
 876
 877         PR gold/12525
 878         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
 879         Assert if we see DW_EH_PE_indirect.
 880         * target.h (Target::ehframe_datarel_base): New function.
 881         (Target::do_ehframe_datarel_base): New target function.
 882         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
 883         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
 884         function.
 885
 886 2011-07-01  Ian Lance Taylor  <iant@google.com>
 887
 888         PR gold/12571
 889         * options.h (class General_options): Add
 890         --ld-generated-unwind-info.
 891         * ehframe.cc (Fde::write): Add address parameter.  Change all
 892         callers.  If associated with PLT, fill in address and size.
 893         (Cie::set_output_offset): Only add merge mapping if there is an
 894         object.
 895         (Cie::write): Add address parameter.  Change all callers.
 896         (Eh_frame::add_ehframe_for_plt): New function.
 897         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
 898         input_offset_ fields into union u_, with new plt field.
 899         (Fde::Fde): Adjust for new union field.
 900         (Fde::Fde) [Output_data version]: New constructor.
 901         (Fde::add_mapping): Only add merge mapping if there is an object.
 902         (class Cie): Update declarations.
 903         (class Eh_frame): Declare add_ehframe_for_plt.
 904         * layout.cc (Layout::layout_eh_frame): Break out code into
 905         make_eh_frame_section, and call it.
 906         (Layout::make_eh_frame_section): New function.
 907         (Layout::add_eh_frame_for_plt): New function.
 908         * layout.h (class Layout): Update declarations.
 909         * merge.cc (Merge_map::add_mapping): Add assertion.
 910         * i386.cc: Include "dwarf.h".
 911         (class Output_data_plt_i386): Make first_plt_entry,
 912         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
 913         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 914         and plt_eh_frame_fde.
 915         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
 916         boundary.  Call add_eh_frame_for_plt if appropriate.
 917         * x86_64.cc: Include "dwarf.h".
 918         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
 919         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
 920         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 921         and plt_eh_frame_fde.
 922         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
 923         appropriate.
 924
 925 2011-06-29  Ian Lance Taylor  <iant@google.com>
 926
 927         PR gold/12629
 928         * object.cc (Sized_relobj_file::layout_section): Change shdr
 929         parameter to be const.
 930         (Sized_relobj_file::layout_eh_frame_section): New function, broken
 931         out of do_layout.
 932         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
 933         appropriate.  Call layout_eh_frame_section.
 934         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
 935         sections.
 936         * object.h (class Sized_relobj_file): Update declarations.
 937
 938 2011-06-29  Ian Lance Taylor  <iant@google.com>
 939
 940         PR gold/12652
 941         * script.cc (Token::integer_value): Accept trailing M/m/K/k
 942         modifier.
 943         (Lex::gather_token): Accept trailing M/m/K/k for integers.
 944
 945 2011-06-29  Ian Lance Taylor  <iant@google.com>
 946
 947         PR gold/12675
 948         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
 949         SHT_X86_64_UNWIND.
 950         * layout.cc (Layout::layout_eh_frame): Likewise.
 951
 952 2011-06-29  Ian Lance Taylor  <iant@google.com>
 953
 954         PR gold/12695
 955         * layout.cc (Layout::symtab_section_shndx): New function.
 956         * layout.h (class Layout): Declare symtab_section_shndx.
 957         * output.cc (Output_section::write_header): Call it.
 958
 959 2011-06-29  Ian Lance Taylor  <iant@google.com>
 960
 961         PR gold/12818
 962         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
 963         symbols which are not used in a relocation.
 964
 965 2011-06-28  Ian Lance Taylor  <iant@google.com>
 966
 967         PR gold/12898
 968         * layout.cc (Layout::segment_precedes): Don't crash if a linker
 969         script create indistinguishable segments.
 970         (Layout::set_segment_offsets): Use stable_sort when sorting
 971         segments.  Pass this to Compare_segments constructor.
 972         * layout.h (class Layout): Make segment_precedes non-static.
 973         (class Compare_segments): Change from struct to class.  Add
 974         layout_ field.  Add constructor.
 975         * script-sections.cc
 976         (Script_sections::attach_sections_using_phdrs_clause): Rename
 977         local orphan to is_orphan.  Don't report failure to put empty
 978         section in segment.  On attachment failure, report name of
 979         section, and attach to first PT_LOAD segment.
 980
 981 2011-06-28  Ian Lance Taylor  <iant@google.com>
 982
 983         PR gold/12934
 984         * target-select.cc (Target_selector::Target_selector): Add
 985         emulation parameter.  Change all callers.
 986         (select_target_by_bfd_name): Rename from select_target_by_name.
 987         Change all callers.
 988         (select_target_by_emulation): New function.
 989         (supported_emulation_names): New function.
 990         * target-select.h (class Target_selector): Add emulation_ field.
 991         Update declarations.
 992         (Target_selector::recognize_by_bfd_name): Rename from
 993         recognize_by_name.  Change all callers.
 994         (Target_selector::supported_bfd_names): Rename from
 995         supported_names.  Change all callers.
 996         (Target_selector::recognize_by_emulation): New function.
 997         (Target_selector::supported_emulations): New function.
 998         (Target_selector::emulation): New function.
 999         (Target_selector::do_recognize_by_bfd_name): Rename from
1000         do_recognize_by_name.  Change all callers.
1001         (Target_selector::do_supported_bfd_names): Rename from
1002         do_supported_names.  Change all callers.
1003         (Target_selector::do_recognize_by_emulation): New function.
1004         (Target_selector::do_supported_emulations): New function.
1005         (select_target_by_bfd_name): Change name in declaration.
1006         (select_target_by_emulation): Declare.
1007         (supported_emulation_names): Declare.
1008         * parameters.cc (parameters_force_valid_target): Try to find
1009         target based on emulation from -m option.
1010         * options.h (class General_options): Change doc string for -m.
1011         * options.cc (help): Print emulations.
1012         (General_options::parse_V): Likewise.
1013         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1014         Add emulation parameter.  Change all callers.
1015
1016 2011-06-28  Ian Lance Taylor  <iant@google.com>
1017
1018         * target.h (class Target): Add osabi_ field.
1019         (Target::osabi): New function.
1020         (Target::set_osabi): New function.
1021         (Target::Target): Initialize osabi_.
1022         (Target::do_adjust_elf_header): Make pure virtual.
1023         (Sized_target::do_adjust_elf_header): Declare.
1024         * target.cc (Sized_target::do_adjust_elf_header): New function.
1025         (class Sized_target): Instantiate all versions.
1026         * freebsd.h (class Target_freebsd): Remove.
1027         (Target_selector_freebsd::do_recognize): Call set_osabi on
1028         Target.
1029         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1030         (Target_selector_freebsd::set_osabi): Remove.
1031         * i386.cc (class Target_i386): Inherit from Sized_target rather
1032         than Target_freebsd.
1033         * x86_64.cc (class Target_x86_64): Likewise.
1034
1035 2011-06-28  Ian Lance Taylor  <iant@google.com>
1036
1037         * target.h (Target::can_check_for_function_pointers): Rewrite.
1038         Make non-virtual.
1039         (Target::can_icf_inline_merge_sections): Likewise.
1040         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1041         (Target::Target_info): Add can_icf_inline_merge_sections field.
1042         (Target::do_can_check_for_function_pointers): New virtual
1043         function.
1044         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1045         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1046         from can_check_for_function_pointers, move in file.
1047         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1048         section_may_have_icf_unsafe_poineters, move in file.
1049         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1050         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1051         Rename from can_check_for_function_pointers, move in file.
1052         (Target_i386::can_icf_inline_merge_sections): Remove.
1053         (Target_i386::i386_info): Initialize
1054         can_icf_inline_merge_sections.
1055         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1056         Initialize can_icf_inline_merge_sections.
1057         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1058         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1059         Rename from can_check_for_function_pointers, move in file.
1060         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1061         (Target_x86_64::x86_64_info): Initialize
1062         can_icf_inline_merge_sections.
1063         * testsuite/testfile.cc (Target_test::test_target_info):
1064         Likewise.
1065         * icf.cc (get_section_contents): Correct formatting.
1066
1067 2011-06-27  Ian Lance Taylor  <iant@google.com>
1068
1069         * symtab.cc (Symbol::versioned_name): New function.
1070         (Symbol_table::add_to_final_symtab): Use versioned_name when
1071         appropriate.
1072         (Symbol_table::sized_write_symbol): Likewise.
1073         * symtab.h (class Symbol): Declare versioned_name.
1074         * stringpool.h (class Stringpool_template): Add variant of add
1075         which takes a std::basic_string.
1076         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1077         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1078         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1079         (ver_test_12.o): New target.
1080         * testsuite/Makefile.in: Rebuild.
1081
1082 2011-06-27  Doug Kwan  <dougkwan@google.com>
1083
1084         * arm.cc (Arm_relocate_functions::thm_jump8,
1085         Arm_relocate_functions::thm_jump11): Use a wider signed
1086         type to compute offset.
1087         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1088         arm_thm_jump8.
1089         * testsuite/Makefile.in: Regenerate.
1090         * testsuite/arm_branch_in_range.sh: Check test results of
1091         arm_thm_jump11 and arm_thm_jump8.
1092         * testsuite/arm_thm_jump11.s: New test source file.
1093         * testsuite/arm_thm_jump11.t: New linker script.
1094         * testsuite/arm_thm_jump8.s: New test source file.
1095         * testsuite/arm_thm_jump8.t: New linker script.
1096
1097 2011-06-24  Ian Lance Taylor  <iant@google.com>
1098
1099         * layout.cc: Include "object.h".
1100         (ctors_sections_in_init_array): New static variable.
1101         (Layout::is_ctors_in_init_array): New function.
1102         (Layout::layout): Add entry to ctors_sections_in_init_array if
1103         appropriate.
1104         * layout.h (class Layout): Declare is_ctors_in_init_array.
1105         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1106         is_ctors_reverse_view is set.
1107         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1108         all callers.  Set is_ctors_reverse_view field of View_size.
1109         (Sized_relobj_file::reverse_words): New function.
1110         * object.h (Sized_relobj_file::View_size): Add
1111         is_ctors_reverse_view field.
1112         (class Sized_relobj_file): Update declarations.
1113         * testsuite/initpri3.c: New test.
1114         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1115         initpri3b.
1116         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1117         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1118         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1119         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1120         * testsuite/Makefile.in: Rebuild.
1121
1122 2011-06-24  Cary Coutant  <ccoutant@google.com>
1123
1124         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1125         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1126         (debug_msg_cdebug.err): New targets.
1127         * testsuite/Makefile.in: Regenerate.
1128         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1129         Fix checks for link with shared library.
1130
1131 2011-06-24  Doug Kwan  <dougkwan@google.com>
1132
1133         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1134         skip empty text sections.
1135         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1136
1137 2011-06-22  Ian Lance Taylor  <iant@google.com>
1138
1139         PR gold/12910
1140         * options.h (class General_options): Add --ctors-in-init-array.
1141         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1142         friends as SHT_PROGBITS for merging sections.
1143         (Layout::layout): Remove special handling of .init_array and
1144         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1145         and .dtors if ctors_in_init_array.
1146         (Layout::make_output_section): Force correct section types for
1147         .init_array and friends.  Don't sort if doing relocatable link,
1148         Don't sort .ctors and .dtors if ctors_in_init_array.
1149         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1150         (Layout::output_section_name): Add relobj parameter.  Change all
1151         callers.  Handle .ctors. and .dtors. in code rather than table.
1152         Handle .ctors and .dtors if ctors_in_init_array.
1153         (Layout::match_file_name): New function, moved from output.cc.
1154         * layout.h (class Layout): Update declarations.
1155         * output.cc: Include "layout.h".
1156         (Input_section_sort_entry::get_priority): New function.
1157         (Input_section_sort_entry::match_file_name): Just call
1158         Layout::match_file_name.
1159         (Output_section::Input_section_sort_init_fini_compare::operator()):
1160         Handle .ctors and .dtors.  Sort by explicit priority rather than
1161         by name.
1162         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1163         * testsuite/initpri2.c: New test.
1164         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1165         (check_PROGRAMS): Add initpri2.
1166         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1167         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1168         * configure, testsuite/Makefile.in: Rebuild.
1169
1170 2011-06-19  Ian Lance Taylor  <iant@google.com>
1171
1172         PR gold/12880
1173         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1174         .interp section to a PT_INTERP segment even if we have seen a
1175         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1176         clause in a linker script.
1177         (Layout::finalize): Don't create a .interp section if we've
1178         already create a PT_INTERP segment.
1179         (Layout::create_interp): Always call choose_output_section (revert
1180         patch of 2011-06-17).  Don't create PT_INTERP segment.
1181         * script-sections.cc
1182         (Script_sections::create_note_and_tls_segments): Add a .interp
1183         section to a PT_INTERP segment even if we have seen a
1184         --dynamic-linker option.
1185
1186 2011-06-18  Ian Lance Taylor  <iant@google.com>
1187
1188         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1189         merely because a non-PT_LOAD segment has a dynamic reloc.
1190
1191 2011-06-18  Ian Lance Taylor  <iant@google.com>
1192
1193         * layout.cc (Layout::finish_dynamic_section): Don't create
1194         DT_FLAGS entry if not needed.
1195
1196 2011-06-18  Ian Lance Taylor  <iant@google.com>
1197
1198         PR gold/12745
1199         * layout.cc (Layout::layout_eh_frame): Correct handling of
1200         writable .eh_frame section.
1201
1202 2011-06-17  Ian Lance Taylor  <iant@google.com>
1203
1204         PR gold/12893
1205         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1206         symbol is redefined with the exact same object and value.
1207
1208 2011-06-17  Ian Lance Taylor  <iant@google.com>
1209
1210         PR gold/12880
1211         * layout.h (class Layout): Add interp_segment_ field.
1212         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1213         (Layout::attach_allocated_section_to_segment): If making shared
1214         library, put .interp section in PT_INTERP segment.
1215         (Layout::finalize): Also call create_interp if -dynamic-linker
1216         option was used.
1217         (Layout::create_interp): Assert that there is no PT_INTERP
1218         segment.  If not using a SECTIONS clause, use make_output_section.
1219         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1220         * script-sections.cc
1221         (Script_sections::create_note_and_tls_segments): If making shared
1222         library, put .interp section in PT_INTERP segment.
1223
1224 2011-06-17  Ian Lance Taylor  <iant@google.com>
1225
1226         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1227         when making a shared library.
1228
1229 2011-06-17  Ian Lance Taylor  <iant@google.com>
1230
1231         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1232         parameter.  Change all callers.  Don't issue warning about PC32
1233         against locally defined symbol.
1234
1235 2011-06-16  Ian Lance Taylor  <iant@google.com>
1236
1237         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1238         occurs in same object.
1239
1240 2011-06-14  Alan Modra  <amodra@gmail.com>
1241
1242         * po/POTFILES.in: Regenerate.
1243
1244 2011-06-09  Ian Lance Taylor  <iant@google.com>
1245
1246         * script-sections.cc
1247         (Orphan_output_section::set_section_addresses): For a relocatable
1248         link set address to 0.
1249
1250 2011-06-09  Cary Coutant  <ccoutant@google.com>
1251
1252         PR gold/12804
1253         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1254         used with --compress-debug-sections.
1255         * gold/object.cc (Sized_relobj_file::do_layout): Report
1256         uncompressed size of compressed input sections.
1257
1258 2011-06-08  Cary Coutant  <ccoutant@google.com>
1259
1260         PR gold/12804
1261         * testsuite/two_file_test_2_v1.cc: Change initialization of
1262         v2 to keep it in .data.
1263
1264 2011-06-07  Cary Coutant  <ccoutant@google.com>
1265
1266         * common.cc (Symbol_table::do_allocate_commons_list): Call
1267         gold_fallback.
1268         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1269         (Errors::fallback): New function.
1270         (gold_fallback): New function.
1271         * errors.h (Errors::fallback): New function.
1272         * gold.cc (gold_exit): Change status parameter to enum; adjust
1273         all callers.
1274         (queue_initial_tasks): Call gold_fallback.
1275         * gold.h: Include cstdlib.
1276         (Exit_status): New enum type.
1277         (gold_exit): Change status parameter to enum.
1278         (gold_fallback): New function.
1279         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1280         (Layout::create_symtab_sections): Likewise.
1281         (Layout::create_shdrs): Likewise.
1282         * main.cc (main): Adjust call to gold_exit.
1283         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1284         (Output_data_got::add_got_entry_pair): Likewise.
1285         (Output_section::add_input_section): Likewise.
1286         (Output_section::add_output_section_data): Likewise.
1287         (Output_segment::set_section_list_addresses): Likewise.
1288         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1289
1290 2011-06-07  Cary Coutant  <ccoutant@google.com>
1291
1292         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1293         for incremental links.
1294         * output.cc (Output_segment::set_section_list_addresses): Remove
1295         FIXME and test for TLS or BSS.
1296
1297 2011-06-07  Cary Coutant  <ccoutant@google.com>
1298
1299         * testsuite/Makefile.am: Add incremental_copy_test,
1300         incremental_common_test_1.
1301         * testsuite/Makefile.in: Regenerate.
1302         * testsuite/common_test_1_v1.c: New source file.
1303         * testsuite/common_test_1_v2.c: New source file.
1304         * testsuite/copy_test_v1.cc: New source file.
1305
1306 2011-06-07  Cary Coutant  <ccoutant@google.com>
1307
1308         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1309         update, allocate common from bss section's free list.
1310         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1311         linker-defined symbols.
1312         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1313         Skip GOT and PLT entries that are no longer referenced.
1314         (Output_section_incremental_inputs::write_info_blocks): Mark
1315         linker-defined symbols.
1316         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1317         * output.cc (Output_section::allocate): New function.
1318         * output.h (Output_section::allocate): New function.
1319         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1320         linker-defined symbols.
1321         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1322         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1323         (Symbol::init_base_output_data): Likewise.
1324         (Symbol::init_base_output_segment): Likewise.
1325         (Symbol::init_base_constant): Likewise.
1326         (Sized_symbol::init_output_data): Likewise.
1327         (Sized_symbol::init_output_segment): Likewise.
1328         (Sized_symbol::init_constant): Likewise.
1329         (Symbol_table::do_define_in_output_data): Likewise.
1330         (Symbol_table::do_define_in_output_segment): Likewise.
1331         (Symbol_table::do_define_as_constant): Likewise.
1332         * symtab.h (Symbol::is_predefined): New function.
1333         (Symbol::init_base_output_data): Add is_predefined parameter.
1334         (Symbol::init_base_output_segment): Likewise.
1335         (Symbol::init_base_constant): Likewise.
1336         (Symbol::is_predefined_): New data member.
1337         (Sized_symbol::init_output_data): Add is_predefined parameter.
1338         (Sized_symbol::init_output_segment): Likewise.
1339         (Sized_symbol::init_constant): Likewise.
1340         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1341
1342 2011-06-07  Cary Coutant  <ccoutant@google.com>
1343
1344         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1345         instead of emit_copy_reloc.
1346         (Copy_relocs::emit_copy_reloc): Refactor.
1347         (Copy_relocs::make_copy_reloc): New function.
1348         (Copy_relocs::add_copy_reloc): Remove.
1349         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1350         section.
1351         (Copy_relocs::make_copy_reloc): New function.
1352         (Copy_relocs::add_copy_reloc): Remove.
1353         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1354         unchanged input files.
1355         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1356         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1357         Reserve BSS space for COPY relocations.
1358         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1359         (Output_section_incremental_inputs::write_info_blocks): Record
1360         whether a symbol is copied from a shared object.
1361         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1362         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1363         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1364         (Incremental_input_entry_reader::get_output_symbol_index): Add
1365         is_copy parameter.
1366         (Incremental_binary::emit_copy_relocs): New function.
1367         (Incremental_binary::do_emit_copy_relocs): New function.
1368         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1369         new data member.
1370         (Sized_incremental_binary::add_copy_reloc): New function.
1371         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1372         (Sized_incremental_binary::Copy_reloc): New struct.
1373         (Sized_incremental_binary::Copy_relocs): New typedef.
1374         (Sized_incremental_binary::copy_relocs_): New data member.
1375         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1376         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1377         * target.h (Sized_target::emit_copy_reloc): New function.
1378         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1379
1380 2011-06-02  Cary Coutant  <ccoutant@google.com>
1381
1382         PR gold/12163
1383         * gold/archive.cc (Archive::Archive): Initialize new data member.
1384         (Archive::include_all_members): Return if archive has already been
1385         included.
1386         * gold/archive.h (Archive::include_all_members_): New data member.
1387
1388 2011-06-02  Nick Clifton  <nickc@redhat.com>
1389
1390         * dynobj.h: Fix spelling mistake in comment.
1391         * output.cc: Likewise.
1392
1393 2011-05-31  Doug Kwan  <dougkwan@google.com>
1394             Asier Llano
1395
1396         PR gold/12826
1397         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1398         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1399         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1400         redundant arm_exidx_test.so.
1401         * testsuite/Makefile.in: Regenerate.
1402         (check_SCRIPTS): Add pr12826.sh
1403         (check_DATA): Add pr12826.stdout
1404         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1405         * testsuite/pr12826.sh: New file.
1406         * testsuite/pr12826_1.s: Ditto.
1407         * testsuite/pr12826_1.s: Ditto.
1408
1409 2011-05-30  Ian Lance Taylor  <iant@google.com>
1410
1411         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1412         sections.
1413
1414 2011-05-29  Ian Lance Taylor  <iant@google.com>
1415
1416         PR gold/12804
1417         * testsuite/Makefile.am: Use different file name for two_file_test
1418         temporary file for each incremental test.
1419         * testsuite/Makefile.in: Rebuild.
1420
1421 2011-05-29  Ian Lance Taylor  <iant@google.com>
1422
1423         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1424         binary input file is empty.
1425
1426 2011-05-27  Ian Lance Taylor  <iant@google.com>
1427
1428         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1429         (ver_test_9.so): Likewise.
1430         * testsuite/Makefile.in: Rebuild.
1431
1432 2011-05-26 Cary Coutant  <ccoutant@google.com>
1433
1434         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1435         * incremental.cc (Incremental_inputs::report_input_section): Fix
1436         comment, indentation.
1437         (Incremental_inputs::report_comdat_group): New function.
1438         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1439         of data for incremental input file entry.
1440         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1441         group count, COMDAT group signatures.
1442         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1443         an unchanged input file.
1444         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1445         Initialize new data member.
1446         (Incremental_object_entry::add_comdat_group): New function.
1447         (Incremental_object_entry::get_comdat_group_count): New function.
1448         (Incremental_object_entry::get_comdat_signature_key): New function.
1449         (Incremental_object_entry::groups_): New data member.
1450         (Incremental_inputs::report_comdat_group): New function.
1451         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1452         data for incremental input file entry.
1453         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1454         (Incremental_input_entry_reader::get_input_section): Adjust size of
1455         data for incremental input file entry.
1456         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1457         (Incremental_input_entry_reader::get_comdat_group_signature): New
1458         function.
1459         * object.cc (Sized_relobj::include_section_group): Report kept
1460         COMDAT groups for incremental links.
1461
1462 2011-05-24  David Meyer  <pdox@google.com>
1463
1464         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1465         with name parameter.  Add found_name parameter.
1466         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1467         * dirsearch.h (class Dirsearch): Update declaration.
1468
1469 2011-05-24  Ian Lance Taylor  <iant@google.com>
1470
1471         * archive.cc (Library_base::should_include_member): Pull in object
1472         from archive if it defines the entry symbol.
1473         * parameters.cc (Parameters::entry): New function.
1474         * parameters.h (class Parameters): Declare entry.
1475         * output.h (class Output_file_header): Remove entry_ field.
1476         * output.cc (Output_file_header::Output_file_header): Remove entry
1477         parameter.  Change all callers.
1478         (Output_file_header::entry): Use parameters->entry.
1479         * gold.cc (queue_middle_tasks): Likewise.
1480         * plugin.cc (Plugin_hook::run): Likewise.
1481
1482 2011-05-24 Cary Coutant  <ccoutant@google.com>
1483
1484         * gold.cc (queue_initial_tasks): Pass incremental base filename
1485         to Output_file::open_base_file; don't print error message.
1486         * incremental-dump.cc (main): Adjust call to
1487         Output_file::open_for_modification.
1488         * incremental-dump.cc (main): Likewise.
1489         * incremental.cc (Incremental_inputs::report_command_line):
1490         Ignore --incremental-base option when comparing command lines.
1491         Ignore parameter when given as separate argument.
1492         * options.h (class General_options): Add --incremental-base.
1493         * output.cc (Output_file::Output_file):
1494         (Output_file::open_base_file): Add base_name and writable parameters;
1495         read base file into new file; print error message here.
1496         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1497         callers.
1498         * output.h (Output_file::open_for_modification): Rename to...
1499         (Output_file::open_base_file): ...this; add base_name and
1500         writable parameters; adjust all callers.
1501         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1502         callers.
1503         * testsuite/Makefile.am (incremental_test_4): Test
1504         --incremental-base.
1505         * testsuite/Makefile.in: Regenerate.
1506
1507 2011-05-24 Cary Coutant  <ccoutant@google.com>
1508
1509         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1510         incremental_test_4.
1511         * testsuite/Makefile.in: Regenerate.
1512         * testsuite/two_file_test_1_v1.cc: New test source file.
1513         * testsuite/two_file_test_1b_v1.cc: New test source file.
1514         * testsuite/two_file_test_2_v1.cc: New test source file.
1515
1516 2011-05-24 Cary Coutant  <ccoutant@google.com>
1517
1518         * dynobj.h (Dynobj::do_dynobj): New function.
1519         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1520         flag and soname for shared objects.
1521         * incremental.cc (Incremental_inputs::report_object): Make
1522         either Incremental_object_entry or Incremental_dynobj_entry; add
1523         soname to string table.
1524         (Incremental_inputs::report_input_section): Add assertion.
1525         (Output_section_incremental_inputs::set_final_data_size): Adjust
1526         type of input file entry for shared libraries; adjust size of
1527         shared library info entry.
1528         (Output_section_incremental_inputs::write_input_files): Write
1529         as_needed flag for shared libraries.
1530         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1531         of input file entry for shared libraries; write soname.
1532         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1533         soname from incremental info.
1534         * incremental.h (enum Incremental_input_flags): Add
1535         INCREMENTAL_INPUT_AS_NEEDED.
1536         (Incremental_input_entry::Incremental_input_entry): Initialize new
1537         data member.
1538         (Incremental_input_entry::set_as_needed): New function.
1539         (Incremental_input_entry::as_needed): New function.
1540         (Incremental_input_entry::do_dynobj_entry): New function.
1541         (Incremental_input_entry::as_needed_): New data member.
1542         (Incremental_object_entry::Incremental_object_entry): Don't check
1543         for shared library.
1544         (Incremental_object_entry::do_type): Likewise.
1545         (class Incremental_dynobj_entry): New class.
1546         (Incremental_input_entry_reader::as_needed): New function.
1547         (Incremental_input_entry_reader::get_soname): New function.
1548         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1549         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1550         size of shared library info entry.
1551         * layout.cc (Layout::finish_dynamic_section): Don't test for
1552         incremental link when adding DT_NEEDED entries.
1553         * object.h (Object::Object): Initialize new data member.
1554         (Object::dynobj): New function.
1555         (Object::set_as_needed): New function.
1556         (Object::as_needed): New function.
1557         (Object::do_dynobj): New function.
1558         (Object::as_needed_): New data member.
1559
1560 2011-05-24 Cary Coutant  <ccoutant@google.com>
1561
1562         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1563         info; adjust display of GOT entries.
1564         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1565         vector of input objects; remove file_status_.
1566         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1567         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1568         got_plt reader; call target hooks to reserve GOT entries.
1569         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1570         of input file info header and GOT info entry.
1571         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1572         relocation info.
1573         (Got_plt_view_info::got_descriptor): Remove.
1574         (Got_plt_view_info::sym_index): New data member.
1575         (Got_plt_view_info::input_index): New data member.
1576         (Local_got_offset_visitor::visit): Write input file index.
1577         (Global_got_offset_visitor::visit): Write 0 for input file index.
1578         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1579         with sym_index and input_index.
1580         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1581         incremental info GOT entry; replace got_descriptor with input_index.
1582         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1583         map from input file index to object.
1584         (Sized_relobj_incr::do_layout): Replace direct data member reference
1585         with accessor function.
1586         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1587         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1588         Adjust size of input file info header.
1589         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1590         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1591         (Incremental_input_entry_reader::get_input_section): Adjust size of
1592         input file info header.
1593         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1594         of incremental info GOT entry.
1595         (Incremental_got_plt_reader::get_got_desc): Remove.
1596         (Incremental_got_plt_reader::get_got_symndx): New function.
1597         (Incremental_got_plt_reader::get_got_input_index): New function.
1598         (Sized_incremental_binary::Sized_incremental_binary): Remove
1599         file_status_; add input_objects_.
1600         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1601         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1602         (Sized_incremental_binary::file_is_unchanged): Remove.
1603         (Sized_incremental_binary::set_input_object): New function.
1604         (Sized_incremental_binary::input_object): New function.
1605         (Sized_incremental_binary::file_status_): Remove.
1606         (Sized_incremental_binary::input_objects_): New data member.
1607         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1608         references.
1609         (Sized_relobj_incr::invalid_address): Move to base class.
1610         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1611         class.
1612         (Sized_relobj_incr::do_output_section_offset): Likewise.
1613         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1614         (Sized_relobj_incr::section_offsets_): Likewise.
1615         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1616         function.
1617         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1618         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1619         with accessor function.
1620         (Sized_relobj_file::do_layout): Likewise.
1621         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1622         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1623         (Sized_relobj_file::compute_final_local_value): Replace refs to
1624         section_offsets_ with accessor function.
1625         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1626         * object.h (Relobj::Relobj): Initialize new data members.
1627         (Relobj::add_dyn_reloc): New function.
1628         (Relobj::first_dyn_reloc): New function.
1629         (Relobj::dyn_reloc_count): New function.
1630         (Relobj::first_dyn_reloc_): New data member.
1631         (Relobj::dyn_reloc_count_): New data member.
1632         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1633         references.
1634         (Sized_relobj::Address): New typedef.
1635         (Sized_relobj::invalid_address): Move here from child class.
1636         (Sized_relobj::Sized_relobj): Initialize new data members.
1637         (Sized_relobj::sized_relobj): New function.
1638         (Sized_relobj::is_output_section_offset_invalid): Move here from
1639         child class.
1640         (Sized_relobj::get_output_section_offset): Likewise.
1641         (Sized_relobj::local_has_got_offset): Likewise.
1642         (Sized_relobj::local_got_offset): Likewise.
1643         (Sized_relobj::set_local_got_offset): Likewise.
1644         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1645         (Sized_relobj::clear_got_offsets): New function.
1646         (Sized_relobj::section_offsets): Move here from child class.
1647         (Sized_relobj::do_output_section_offset): Likewise.
1648         (Sized_relobj::do_set_section_offset): Likewise.
1649         (Sized_relobj::Local_got_offsets): Likewise.
1650         (Sized_relobj::local_got_offsets_): Likewise.
1651         (Sized_relobj::section_offsets_): Likewise.
1652         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1653         references.
1654         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1655         class.
1656         (Sized_relobj_file::sized_relobj): New function
1657         (Sized_relobj_file::local_has_got_offset): Move to base class.
1658         (Sized_relobj_file::local_got_offset): Likewise.
1659         (Sized_relobj_file::set_local_got_offset): Likewise.
1660         (Sized_relobj_file::get_output_section_offset): Likewise.
1661         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1662         (Sized_relobj_file::do_output_section_offset): Likewise.
1663         (Sized_relobj_file::do_set_section_offset): Likewise.
1664         (Sized_relobj_file::Local_got_offsets): Likewise.
1665         (Sized_relobj_file::local_got_offsets_): Likewise.
1666         (Sized_relobj_file::section_offsets_): Likewise.
1667         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1668         (all constructors).
1669         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1670         (Output_reloc::get_symbol_index): Likewise.
1671         (Output_reloc::local_section_offset): Likewise.
1672         (Output_reloc::get_address): Likewise.
1673         (Output_reloc::symbol_value): Likewise.
1674         (Output_data_got::reserve_slot): Move to class definition.
1675         (Output_data_got::reserve_local): New function.
1676         (Output_data_got::reserve_slot_for_global): Remove.
1677         (Output_data_got::reserve_global): New function.
1678         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1679         (all constructors, two instantiations).
1680         (Output_reloc::get_relobj): New function (two instantiations).
1681         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1682         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1683         (Output_data_reloc::add_global): Adjust type of relobj.
1684         (Output_data_reloc::add_global_relative): Likewise.
1685         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1686         (Output_data_reloc::add_local): Likewise.
1687         (Output_data_reloc::add_local_relative): Likewise.
1688         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1689         (Output_data_reloc::add_local_section): Likewise.
1690         (Output_data_reloc::add_output_section): Likewise.
1691         (Output_data_reloc::add_absolute): Likewise.
1692         (Output_data_reloc::add_target_specific): Likewise.
1693         (Output_data_got::reserve_slot): Move definition here.
1694         (Output_data_got::reserve_local): New function.
1695         (Output_data_got::reserve_global): New function.
1696         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1697         section_offsets_ with accessor function.
1698         (Sized_relobj_file::write_sections): Likewise.
1699         (Sized_relobj_file::do_relocate_sections): Likewise.
1700         * target.h (Sized_target::reserve_local_got_entry): New function.
1701         (Sized_target::reserve_global_got_entry): New function.
1702         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1703         (Target_x86_64::reserve_global_got_entry): New function.
1704         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1705
1706 2011-05-23 Cary Coutant  <ccoutant@google.com>
1707
1708         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1709         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1710         bit when checking got_type.
1711         * incremental.cc (Sized_incremental_binary::setup_readers):
1712         Store symbol table and string table locations; initialize bit vector
1713         of file status flags.
1714         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1715         unchanged files.
1716         (Sized_incremental_binary::do_process_got_plt): New function.
1717         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1718         (Output_section_incremental_inputs::set_final_data_size): Record
1719         file index for each input file.
1720         (Output_section_incremental_inputs::write_got_plt): Store file index
1721         instead of input entry offset for each GOT entry.
1722         * incremental.h
1723         (Incremental_input_entry::Incremental_input_entry): Initialize new
1724         data member.
1725         (Incremental_input_entry::set_offset): Store file index.
1726         (Incremental_input_entry::get_file_index): New function.
1727         (Incremental_input_entry::file_index_): New data member.
1728         (Incremental_binary::process_got_plt): New function.
1729         (Incremental_binary::do_process_got_plt): New function.
1730         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1731         data members.
1732         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1733         (Sized_incremental_binary::set_file_is_unchanged): New function.
1734         (Sized_incremental_binary::file_is_unchanged): New function.
1735         (Sized_incremental_binary::do_process_got_plt): New function.
1736         (Sized_incremental_binary::file_status_): New data member.
1737         (Sized_incremental_binary::main_symtab_loc_): New data member.
1738         (Sized_incremental_binary::main_strtab_loc_): New data member.
1739         * output.cc (Output_data_got::Got_entry::write): Add case
1740         RESERVED_CODE.
1741         (Output_data_got::add_global): Call add_got_entry.
1742         (Output_data_got::add_global_plt): Likewise.
1743         (Output_data_got::add_global_with_rel): Likewise.
1744         (Output_data_got::add_global_with_rela): Likewise.
1745         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1746         (Output_data_got::add_global_pair_with_rela): Likewise.
1747         (Output_data_got::add_local): Call add_got_entry.
1748         (Output_data_got::add_local_plt): Likewise.
1749         (Output_data_got::add_local_with_rel): Likewise.
1750         (Output_data_got::add_local_with_rela): Likewise.
1751         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1752         (Output_data_got::add_local_pair_with_rela): Likewise.
1753         (Output_data_got::reserve_slot): New function.
1754         (Output_data_got::reserve_slot_for_global): New function.
1755         (Output_data_got::add_got_entry): New function.
1756         (Output_data_got::add_got_entry_pair): New function.
1757         (Output_section::add_output_section_data): Edit FIXME.
1758         * output.h
1759         (Output_section_data_build::Output_section_data_build): New
1760         constructor with size parameter.
1761         (Output_data_space::Output_data_space): Likewise.
1762         (Output_data_got::Output_data_got): Initialize new data member; new
1763         constructor with size parameter.
1764         (Output_data_got::add_constant): Call add_got_entry.
1765         (Output_data_got::reserve_slot): New function.
1766         (Output_data_got::reserve_slot_for_global): New function.
1767         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1768         (Output_data_got::add_got_entry): New function.
1769         (Output_data_got::add_got_entry_pair): New function.
1770         (Output_data_got::free_list_): New data member.
1771         * target.h (Sized_target::init_got_plt_for_update): New function.
1772         (Sized_target::register_global_plt_entry): New function.
1773         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1774         Initialize new data member; call init; add constructor with PLT count.
1775         (Output_data_plt_x86_64::init): New function.
1776         (Output_data_plt_x86_64::add_relocation): New function.
1777         (Output_data_plt_x86_64::reserve_slot): New function.
1778         (Output_data_plt_x86_64::free_list_): New data member.
1779         (Target_x86_64::init_got_plt_for_update): New function.
1780         (Target_x86_64::register_global_plt_entry): New function.
1781         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1782         incremental updates.
1783         (Output_data_plt_x86_64::add_relocation): New function.
1784         * testsuite/object_unittest.cc (Object_test): Set default options.
1785
1786 2011-05-16  Ian Lance Taylor  <iant@google.com>
1787
1788         * options.h (class General_options): Make -i a synonym for -r.
1789
1790 2011-05-16  Ian Lance Taylor  <iant@google.com>
1791
1792         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1793
1794 2011-05-10 Cary Coutant  <ccoutant@google.com>
1795
1796         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1797         strip_all (-s).
1798
1799 2011-05-06  Ian Lance Taylor  <iant@google.com>
1800
1801         * layout.cc (Layout::layout): If the output section flags change,
1802         update the ordering.
1803
1804 2011-04-25 Cary Coutant  <ccoutant@google.com>
1805
1806         * incremental-dump.cc (dump_incremental_inputs): Print local
1807         symbol info for each input file.
1808         * incremental.cc
1809         (Output_section_incremental_inputs::set_final_data_size): Add local
1810         symbol info to input file entries in incremental info.
1811         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1812         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1813         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1814         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1815         implementation.
1816         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1817         (Sized_incr_relobj::do_relocate): Write the local symbols.
1818         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1819         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1820         Adjust size of input file header.
1821         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1822         (Incremental_inputs_reader::get_local_symbol_count): New function.
1823         (Incremental_inputs_reader::get_input_section): Adjust size of input
1824         file header.
1825         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1826         (Sized_incr_relobj::This): New typedef.
1827         (Sized_incr_relobj::sym_size): New const data member.
1828         (Sized_incr_relobj::Local_symbol): New struct.
1829         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1830         (Sized_incr_relobj::do_local_symbol_offset): New function.
1831         (Sized_incr_relobj::local_symbol_count_): New data member.
1832         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1833         (Sized_incr_relobj::local_symbol_index_): New data member.
1834         (Sized_incr_relobj::local_symbol_offset_): New data member.
1835         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1836         (Sized_incr_relobj::local_symbols_): New data member.
1837         * object.h (Relobj::output_local_symbol_count): New function.
1838         (Relobj::local_symbol_offset): New function.
1839         (Relobj::do_output_local_symbol_count): New function.
1840         (Relobj::do_local_symbol_offset): New function.
1841         (Sized_relobj::do_output_local_symbol_count): New function.
1842         (Sized_relobj::do_local_symbol_offset): New function.
1843
1844 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1845
1846         * descriptors.cc (set_close_on_exec): New function.
1847         (Descriptors::open): Use set_close_on_exec.
1848         * output.cc (S_ISLNK): Define if not defined.
1849
1850 2011-04-22 Cary Coutant  <ccoutant@google.com>
1851
1852         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1853         global symbol map.
1854         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1855         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1856         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1857         relocations.
1858         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1859         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1860         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1861         * incremental.h
1862         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1863         function.
1864         (Incremental_binary::apply_incremental_relocs): New function.
1865         (Incremental_binary::do_apply_incremental_relocs): New function.
1866         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1867         data member.
1868         (Sized_incremental_binary::add_global_symbol): New function.
1869         (Sized_incremental_binary::global_symbol): New function.
1870         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1871         (Sized_incremental_binary::symbol_map_): New data member.
1872         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1873         * target.h (Sized_target::apply_relocation): New function.
1874         * target-reloc.h (apply_relocation): New function.
1875         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1876
1877 2011-04-22  Doug Kwan  <dougkwan@google.com>
1878
1879         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1880         flag of a SHT_ARM_EXIDX section.
1881         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1882         * testsuite/Makefile.in: Regenerate.
1883         * testsuite/arm_exidx_test.s: New file.
1884         * testsuite/arm_exidx_test.sh: Same.
1885
1886 2011-04-20 Cary Coutant  <ccoutant@google.com>
1887
1888         PR gold/12689
1889         * archive.h (Incremental_archive_entry::Archive_member):
1890         Initialize arg_serial_ (second constructor).
1891
1892 2011-04-17  Ian Lance Taylor  <iant@google.com>
1893
1894         * object.cc (Relocate_info::location): Simplify location string.
1895         * errors.cc (Errors::error_at_location): Don't print program
1896         name.
1897         (Errors::warning_at_location): Likewise.
1898         (Errors::undefined_symbol): Likewise.
1899         * testsuite/debug_msg.sh: Update accordingly.
1900
1901 2011-04-14 Cary Coutant  <ccoutant@google.com>
1902
1903         * gold/layout.cc (Layout::symtab_section_offset): New function.
1904         * gold/layout.h (Layout::symtab_section_offset): New function.
1905         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1906
1907 2011-04-12  Ian Lance Taylor  <iant@google.com>
1908
1909         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1910         with MREMAP_MAYMOVE.
1911         * output.h (class Output_file): Add map_is_allocated_ field.
1912         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1913         not available, provide stubs.  If mremap is not available, #define
1914         it to gold_mremap.
1915         (MREMAP_MAYMOVE): Define if not defined.
1916         (Output_file::Output_file): Initialize map_is_allocated_.
1917         (Output_file::resize): Check map_is_allocated_.
1918         (Output_file::map_anonymous): If mmap fails, use malloc.
1919         (Output_file::unmap): Don't do anything for an anonymous map.
1920         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1921         is not available, provide stubs.
1922         (File_read::View::~View): Use free rather than delete[].
1923         (File_read::make_view): Use malloc rather than new[].  If mmap
1924         fails, use malloc.
1925         (File_read::find_or_make_view): Use malloc rather than new[].
1926         * gold.h: Remove HAVE_REMAP code.
1927         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1928         exists.  Rename mremap to gold_mremap.  If mmap is not available
1929         don't do anything.
1930         * configure, config.in: Rebuild.
1931
1932 2011-04-11  Ian Lance Taylor  <iant@google.com>
1933
1934         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1935         initialize local variable v.
1936
1937 2011-04-11  Cary Coutant  <ccoutant@google.com>
1938
1939         * archive.cc (Archive::include_member): Adjust call to
1940         report_object.
1941         (Add_archive_symbols::run): Track argument serial numbers.
1942         (Lib_group::include_member): Likewise.
1943         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1944         * archive.h (Incremental_archive_entry::Archive_member):
1945         Initialize arg_serial_.
1946         (Archive_member::arg_serial_): New data member.
1947         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1948         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1949         incremental link.
1950         (Sized_dynobj::do_for_all_local_got_entries): New function.
1951         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1952         function.
1953         * fileread.cc (get_mtime): New function.
1954         * fileread.h (get_mtime): New function.
1955         * gold.cc (queue_initial_tasks): Check for incremental update.
1956         (process_incremental_input): New function.
1957         (queue_middle_tasks): Don't force valid target for incremental
1958         update.
1959         * incremental-dump.cc (find_input_containing_global): Adjust
1960         size of symbol info entry.
1961         (dump_incremental_inputs): Dump argument serial number and
1962         in_system_directory flag; bias shndx by 1; print symbol names
1963         when dumping per-file symbol lists; use new symbol info readers.
1964         * incremental.cc
1965         (Output_section_incremental_inputs:update_data_size): New function.
1966         (Sized_incremental_binary::setup_readers): Setup input readers
1967         for each input file; build maps for files added from libraries
1968         and scripts.
1969         (Sized_incremental_binary::check_input_args): New function.
1970         (Sized_incremental_binary::do_check_inputs): Build map of argument
1971         serial numbers to input arguments.
1972         (Sized_incremental_binary::do_file_has_changed): Rename
1973         do_file_is_unchanged to this; compare file modification times.
1974         (Sized_incremental_binary::do_init_layout): New function.
1975         (Sized_incremental_binary::do_reserve_layout): New function.
1976         (Sized_incremental_binary::do_get_input_reader): Remove.
1977         (Sized_incremental_binary::get_symtab_view): New function.
1978         (Incremental_checker::can_incrementally_link_output_file): Remove.
1979         (Incremental_inputs::report_command_line): Exclude --debug options.
1980         (Incremental_inputs::report_archive_begin): Add parameter; track
1981         argument serial numbers; don't put input file entry for archive
1982         before archive members.
1983         (Incremental_inputs::report_archive_end): Put input file entry
1984         for archive after archive members.
1985         (Incremental_inputs::report_object): Add parameter; track argument
1986         serial numbers and in_system_directory flag.
1987         (Incremental_inputs::report_script): Add parameter; track argument
1988         serial numbers.
1989         (Output_section_incremental_inputs::set_final_data_size): Adjust
1990         size of symbol info entry; check for forwarding symbols.
1991         (Output_section_incremental_inputs::write_input_files): Write
1992         in_system_directory flag and argument serial number.
1993         (Output_section_incremental_inputs::write_info_blocks): Map section
1994         indices between incremental info and original input file; store
1995         input section index for each symbol.
1996         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1997         change operator() to visit().
1998         (class Global_got_offset_visitor): Likewise.
1999         (class Global_symbol_visitor_got_plt):
2000         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2001         classes.
2002         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2003         (Sized_incr_relobj::do_read_symbols): New function.
2004         (Sized_incr_relobj::do_layout): New function.
2005         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2006         (Sized_incr_relobj::do_add_symbols): New function.
2007         (Sized_incr_relobj::do_should_include_member): New function.
2008         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2009         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2010         (Sized_incr_relobj::do_section_size): New function.
2011         (Sized_incr_relobj::do_section_name): New function.
2012         (Sized_incr_relobj::do_section_contents): New function.
2013         (Sized_incr_relobj::do_section_flags): New function.
2014         (Sized_incr_relobj::do_section_entsize): New function.
2015         (Sized_incr_relobj::do_section_address): New function.
2016         (Sized_incr_relobj::do_section_type): New function.
2017         (Sized_incr_relobj::do_section_link): New function.
2018         (Sized_incr_relobj::do_section_info): New function.
2019         (Sized_incr_relobj::do_section_addralign): New function.
2020         (Sized_incr_relobj::do_initialize_xindex): New function.
2021         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2022         (Sized_incr_relobj::do_read_relocs): New function.
2023         (Sized_incr_relobj::do_gc_process_relocs): New function.
2024         (Sized_incr_relobj::do_scan_relocs): New function.
2025         (Sized_incr_relobj::do_count_local_symbols): New function.
2026         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2027         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2028         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2029         (Sized_incr_relobj::do_relocate): New function.
2030         (Sized_incr_relobj::do_set_section_offset): New function.
2031         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2032         (Sized_incr_dynobj::do_read_symbols): New function.
2033         (Sized_incr_dynobj::do_layout): New function.
2034         (Sized_incr_dynobj::do_add_symbols): New function.
2035         (Sized_incr_dynobj::do_should_include_member): New function.
2036         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2037         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2038         (Sized_incr_dynobj::do_section_size): New function.
2039         (Sized_incr_dynobj::do_section_name): New function.
2040         (Sized_incr_dynobj::do_section_contents): New function.
2041         (Sized_incr_dynobj::do_section_flags): New function.
2042         (Sized_incr_dynobj::do_section_entsize): New function.
2043         (Sized_incr_dynobj::do_section_address): New function.
2044         (Sized_incr_dynobj::do_section_type): New function.
2045         (Sized_incr_dynobj::do_section_link): New function.
2046         (Sized_incr_dynobj::do_section_info): New function.
2047         (Sized_incr_dynobj::do_section_addralign): New function.
2048         (Sized_incr_dynobj::do_initialize_xindex): New function.
2049         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2050         (make_sized_incremental_object): New function.
2051         (Incremental_library::copy_unused_symbols): New function.
2052         (Incremental_library::do_for_all_unused_symbols): New function.
2053         * incremental.h (enum Incremental_input_flags): New type.
2054         (class Incremental_checker): Remove.
2055         (Incremental_input_entry::Incremental_input_entry): Add argument
2056         serial number.
2057         (Incremental_input_entry::arg_serial): New function.
2058         (Incremental_input_entry::set_is_in_system_directory): New function.
2059         (Incremental_input_entry::is_in_system_directory): New function.
2060         (Incremental_input_entry::arg_serial_): New data member.
2061         (Incremental_input_entry::is_in_system_directory_): New data member.
2062         (class Script_info): Move here from script.h.
2063         (Script_info::Script_info): Add filename parameter.
2064         (Script_info::filename): New function.
2065         (Script_info::filename_): New data member.
2066         (Incremental_script_entry::Incremental_script_entry): Add argument
2067         serial number.
2068         (Incremental_object_entry::Incremental_object_entry): Likewise.
2069         (Incremental_object_entry::add_input_section): Build list of input
2070         sections with map to original shndx.
2071         (Incremental_object_entry::get_input_section_index): New function.
2072         (Incremental_object_entry::shndx_): New data member.
2073         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2074         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2075         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2076         serial number.
2077         (Incremental_inputs::report_archive_begin): Likewise.
2078         (Incremental_inputs::report_object): Likewise.
2079         (Incremental_inputs::report_script): Likewise.
2080         (class Incremental_global_symbol_reader): New class.
2081         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2082         and store flags and input file type.
2083         (Incremental_input_entry_reader::arg_serial): New function.
2084         (Incremental_input_entry_reader::type): Extract type from flags.
2085         (Incremental_input_entry_reader::is_in_system_directory): New function.
2086         (Incremental_input_entry_reader::get_input_section_count): Call
2087         accessor function for type.
2088         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2089         function for type; adjust size of global symbol entry.
2090         (Incremental_input_entry_reader::get_global_symbol_count): Call
2091         accessor function for type.
2092         (Incremental_input_entry_reader::get_object_count): Likewise.
2093         (Incremental_input_entry_reader::get_object_offset): Likewise.
2094         (Incremental_input_entry_reader::get_member_count): Likewise.
2095         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2096         (Incremental_input_entry_reader::get_member_offset): Likewise.
2097         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2098         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2099         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2100         (Incremental_input_entry_reader::get_global_symbol_reader): New
2101         function.
2102         (Incremental_input_entry_reader::get_output_symbol_index): New
2103         function.
2104         (Incremental_input_entry_reader::type_): Remove.
2105         (Incremental_input_entry_reader::flags_): New data member.
2106         (Incremental_inputs_reader::input_file_offset): New function.
2107         (Incremental_inputs_reader::input_file_index): New function.
2108         (Incremental_inputs_reader::input_file): Call input_file_offset.
2109         (Incremental_inputs_reader::input_file_at_offset): New function.
2110         (Incremental_relocs_reader::get_r_type): Reformat.
2111         (Incremental_relocs_reader::get_r_shndx): Reformat.
2112         (Incremental_relocs_reader::get_r_offset): Reformat.
2113         (Incremental_relocs_reader::data): New function.
2114         (Incremental_binary::Incremental_binary): Initialize new data members.
2115         (Incremental_binary::check_inputs): Add cmdline parameter.
2116         (Incremental_binary::file_is_unchanged): Remove.
2117         (Input_reader::arg_serial): New function.
2118         (Input_reader::get_unused_symbol_count): New function.
2119         (Input_reader::get_unused_symbol): New function.
2120         (Input_reader::do_arg_serial): New function.
2121         (Input_reader::do_get_unused_symbol_count): New function.
2122         (Input_reader::do_get_unused_symbol): New function.
2123         (Incremental_binary::input_file_count): New function.
2124         (Incremental_binary::get_input_reader): Change signature to use
2125         index instead of filename.
2126         (Incremental_binary::file_has_changed): New function.
2127         (Incremental_binary::get_input_argument): New function.
2128         (Incremental_binary::get_library): New function.
2129         (Incremental_binary::get_script_info): New function.
2130         (Incremental_binary::init_layout): New function.
2131         (Incremental_binary::reserve_layout): New function.
2132         (Incremental_binary::output_file): New function.
2133         (Incremental_binary::do_check_inputs): New function.
2134         (Incremental_binary::do_file_is_unchanged): Remove.
2135         (Incremental_binary::do_file_has_changed): New function.
2136         (Incremental_binary::do_init_layout): New function.
2137         (Incremental_binary::do_reserve_layout): New function.
2138         (Incremental_binary::do_input_file_count): New function.
2139         (Incremental_binary::do_get_input_reader): Change signature.
2140         (Incremental_binary::input_args_map_): New data member.
2141         (Incremental_binary::library_map_): New data member.
2142         (Incremental_binary::script_map_): New data member.
2143         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2144         new data members.
2145         (Sized_incremental_binary::output_section): New function.
2146         (Sized_incremental_binary::inputs_reader): Add const.
2147         (Sized_incremental_binary::symtab_reader): Add const.
2148         (Sized_incremental_binary::relocs_reader): Add const.
2149         (Sized_incremental_binary::got_plt_reader): Add const.
2150         (Sized_incremental_binary::get_symtab_view): New function.
2151         (Sized_incremental_binary::Inputs_reader): New typedef.
2152         (Sized_incremental_binary::Input_entry_reader): New typedef.
2153         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2154         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2155         (Sized_incremental_binary::do_file_has_changed): New function.
2156         (Sized_incremental_binary::do_init_layout): New function.
2157         (Sized_incremental_binary::do_reserve_layout): New function.
2158         (Sized_input_reader::Inputs_reader): Remove.
2159         (Sized_input_reader::Input_entry_reader): Remove.
2160         (Sized_input_reader::do_arg_serial): New function.
2161         (Sized_input_reader::do_get_unused_symbol_count): New function.
2162         (Sized_input_reader::do_get_unused_symbol): New function.
2163         (Sized_incremental_binary::do_input_file_count): New function.
2164         (Sized_incremental_binary::do_get_input_reader): Change signature;
2165         use index instead of filename.
2166         (Sized_incremental_binary::section_map_): New data member.
2167         (Sized_incremental_binary::input_entry_readers_): New data member.
2168         (class Sized_incr_relobj): New class.
2169         (class Sized_incr_dynobj): New class.
2170         (make_sized_incremental_object): New function.
2171         (class Incremental_library): New class.
2172         * layout.cc (Free_list::num_lists): New static data member.
2173         (Free_list::num_nodes): New static data member.
2174         (Free_list::num_removes): New static data member.
2175         (Free_list::num_remove_visits): New static data member.
2176         (Free_list::num_allocates): New static data member.
2177         (Free_list::num_allocate_visits): New static data member.
2178         (Free_list::init): New function.
2179         (Free_list::remove): New function.
2180         (Free_list::allocate): New function.
2181         (Free_list::dump): New function.
2182         (Free_list::print_stats): New function.
2183         (Layout_task_runner::run): Resize output file for incremental updates.
2184         (Layout::Layout): Initialize new data members.
2185         (Layout::set_incremental_base): New function.
2186         (Layout::init_fixed_output_section): New function.
2187         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2188         incremental updates.
2189         (Layout::create_gold_note): Do not create gold note section for
2190         incremental updates.
2191         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2192         for incremental updates.
2193         (Layout::set_section_offsets): For incremental updates, allocate space
2194         from free list.
2195         (Layout::create_symtab_sections): Layout with offsets relative to
2196         start of section; for incremental updates, allocate space from free
2197         list.
2198         (Layout::create_shdrs): For incremental updates, allocate space from
2199         free list.
2200         (Layout::finish_dynamic_section): For incremental updates, do not
2201         check --as-needed (fixed in subsequent patch).
2202         * layout.h (class Free_list): New class.
2203         (Layout::set_incremental_base): New function.
2204         (Layout::incremental_base): New function.
2205         (Layout::init_fixed_output_section): New function.
2206         (Layout::allocate): New function.
2207         (Layout::incremental_base_): New data member.
2208         (Layout::free_list_): New data member.
2209         * main.cc (main): Print Free_list statistics.
2210         * object.cc (Relobj::finalize_incremental_relocs): Add
2211         clear_counts parameter; clear counts only when clear_counts is set.
2212         (Sized_relobj::Sized_relobj): Initialize new base class.
2213         (Sized_relobj::do_layout): Don't report special sections.
2214         (Sized_relobj::do_for_all_local_got_entries): New function.
2215         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2216         symtab_off to all symbol table offsets.
2217         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2218         * object.h (class Got_offset_list): Move to top of file.
2219         (Object::Object): Allow case where input_file == NULL.
2220         (Object::~Object): Likewise.
2221         (Object::input_file): Assert that input_file != NULL.
2222         (Object::lock): Allow case where input_file == NULL.
2223         (Object::unlock): Likewise.
2224         (Object::is_locked): Likewise.
2225         (Object::token): Likewise.
2226         (Object::release): Likewise.
2227         (Object::is_incremental): New function.
2228         (Object::get_mtime): New function.
2229         (Object::for_all_local_got_entries): New function.
2230         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2231         (Object::set_is_in_system_directory): New function.
2232         (Object::is_in_system_directory): New function.
2233         (Object::do_is_incremental): New function.
2234         (Object::do_get_mtime): New function.
2235         (Object::do_for_all_local_got_entries): New function.
2236         (Object::is_in_system_directory_): New data member.
2237         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2238         (class Sized_relobj_base): New class.
2239         (class Sized_relobj): Derive from Sized_relobj_base.
2240         (class Sized_relobj::Symbols): Redeclare from base class.
2241         (class Sized_relobj::local_got_offset_list): Remove.
2242         (class Sized_relobj::Output_sections): Redeclare from base class.
2243         (class Sized_relobj::do_for_all_local_got_entries): New function.
2244         (class Sized_relobj::write_local_symbols): Add offset parameter.
2245         (class Sized_relobj::local_symbol_offset_): Update comment.
2246         (class Sized_relobj::local_dynsym_offset_): Update comment.
2247         * options.cc (Input_arguments::add_file): Remove const.
2248         * options.h (Input_file_argument::Input_file_argument):
2249         Initialize arg_serial_ (all constructors).
2250         (Input_file_argument::set_arg_serial): New function.
2251         (Input_file_argument::arg_serial): New function.
2252         (Input_file_argument::arg_serial_): New data member.
2253         (Input_arguments::Input_arguments): Initialize file_count_.
2254         (Input_arguments::add_file): Remove const.
2255         (Input_arguments::number_of_input_files): New function.
2256         (Input_arguments::file_count_): New data member.
2257         (Command_line::number_of_input_files): Call
2258         Input_arguments::number_of_input_files.
2259         * output.cc (Output_segment_headers::Output_segment_headers):
2260         Set current size.
2261         (Output_section::Input_section::current_data_size): New function.
2262         (Output_section::Output_section): Initialize new data members.
2263         (Output_section::add_input_section): Don't do merge sections for
2264         an incremental link; allocate space from free list for an
2265         incremental update.
2266         (Output_section::add_output_section_data): Allocate space from
2267         free list for an incremental update.
2268         (Output_section::update_data_size): New function.
2269         (Output_section::set_fixed_layout): New function.
2270         (Output_section::reserve): New function.
2271         (Output_segment::set_section_addresses): Remove const.
2272         (Output_segment::set_section_list_addresses): Remove const; allocate
2273         space from free list for an incremental update.
2274         (Output_segment::set_offset): Adjust size of RELRO segment for an
2275         incremental update.
2276         * output.h (Output_data::current_data_size): Move here from
2277         child classes.
2278         (Output_data::pre_finalize_data_size): New function.
2279         (Output_data::update_data_size): New function.
2280         (Output_section_headers::update_data_size): new function.
2281         (Output_section_data_build::current_data_size): Move to Output_data.
2282         (Output_data_strtab::update_data_size): New function.
2283         (Output_section::current_data_size): Move to Output_data.
2284         (Output_section::set_fixed_layout): New function.
2285         (Output_section::has_fixed_layout): New function.
2286         (Output_section::reserve): New function.
2287         (Output_section::update_data_size): New function.
2288         (Output_section::has_fixed_layout_): New data member.
2289         (Output_section::free_list_): New data member.
2290         (Output_segment::set_section_addresses): Remove const.
2291         (Output_segment::set_section_list_addresses): Remove const.
2292         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2293         New function.
2294         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2295         New function.
2296         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2297         parameter when calling Add_symbols constructor; store argument
2298         serial number for members of a lib group.
2299         (Add_symbols::locks): Allow case where token == NULL.
2300         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2301         (Read_member::~Read_member): New function.
2302         (Read_member::is_runnable): New function.
2303         (Read_member::locks): New function.
2304         (Read_member::run): New function.
2305         (Check_script::~Check_script): New function.
2306         (Check_script::is_runnable): New function.
2307         (Check_script::locks): New function.
2308         (Check_script::run): New function.
2309         (Check_library::~Check_library): New function.
2310         (Check_library::is_runnable): New function.
2311         (Check_library::locks): New function.
2312         (Check_library::run): New function.
2313         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2314         (Add_symbols::library_): New data member.
2315         (class Read_member): New class.
2316         (class Check_script): New class.
2317         (class Check_library): New class.
2318         * reloc.cc (Read_relocs::is_runnable): Allow case where
2319         token == NULL.
2320         (Read_relocs::locks): Likewise.
2321         (Scan_relocs::locks): Likewise.
2322         (Relocate_task::locks): Likewise.
2323         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2324         to clear counters.
2325         (Sized_relobj::incremental_relocs_scan): Fix comment.
2326         (Sized_relobj::do_relocate): Pass output file offset to
2327         write_local_symbols.
2328         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2329         from class declaration.
2330         * script.cc (read_input_script): Allocate Script_info; pass
2331         argument serial number to report_script.
2332         * script.h (class Script_info): Move to incremental.h.
2333         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2334         * symtab.h (Symbol_table::add_from_incrobj): New function.
2335         (Symbol_table::set_file_offset): New function.
2336
2337 2011-04-05  Cary Coutant  <ccoutant@google.com>
2338
2339         * incremental-dump.cc (dump_incremental_inputs): Change signature
2340         to take a Sized_incremental_binary; change caller.  Use readers
2341         in Sized_incremental_binary.
2342         * incremental.cc
2343         (Sized_incremental_binary::find_incremental_inputs_sections):
2344         Rename do_find_incremental_inputs_sections to this.
2345         (Sized_incremental_binary::setup_readers): New function.
2346         (Sized_incremental_binary::do_check_inputs): Check
2347         has_incremental_info_ flag; move setup code to setup_readers;
2348         use input readers.
2349         (Sized_incremental_binary::do_file_is_unchanged): New function.
2350         (Sized_incremental_binary::do_get_input_reader): New function.
2351         * incremental.h (class Incremental_binary): Move to end of file.
2352         (Incremental_binary::file_is_unchanged): New function.
2353         (Incremental_binary::do_file_is_unchanged): New function.
2354         (Incremental_binary::Input_reader): New class.
2355         (Incremental_binary::get_input_reader): New function.
2356         (class Sized_incremental_binary): Move to end of file.
2357         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2358         input section reader classes.
2359         (Sized_incremental_binary::has_incremental_info): New function.
2360         (Sized_incremental_binary::inputs_reader): New function.
2361         (Sized_incremental_binary::symtab_reader): New function.
2362         (Sized_incremental_binary::relocs_reader): New function.
2363         (Sized_incremental_binary::got_plt_reader): New function.
2364         (Sized_incremental_binary::do_file_is_unchanged): New function.
2365         (Sized_incremental_binary::Sized_input_reader): New class.
2366         (Sized_incremental_binary::get_input_reader): New function.
2367         (Sized_incremental_binary::find_incremental_inputs_sections):
2368         Rename do_find_incremental_inputs_sections to this.
2369         (Sized_incremental_binary::setup_readers): New function.
2370         (Sized_incremental_binary::has_incremental_info_): New data member.
2371         (Sized_incremental_binary::inputs_reader_): New data member.
2372         (Sized_incremental_binary::symtab_reader_): New data member.
2373         (Sized_incremental_binary::relocs_reader_): New data member.
2374         (Sized_incremental_binary::got_plt_reader_): New data member.
2375         (Sized_incremental_binary::current_input_file_): New data member.
2376
2377 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2378
2379         PR gold/12640
2380         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2381         violation.
2382
2383 2011-03-30  Cary Coutant  <ccoutant@google.com>
2384
2385         * archive.cc (Archive::include_member): Adjust call to report_object.
2386         (Add_archive_symbols::run): Add script_info to call to
2387         report_archive_begin.
2388         (Lib_group::include_member): Adjust call to report_object.
2389         (Add_lib_group_symbols::run): Adjust call to report_object.
2390         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2391         blocks.  Add object count for script input files.
2392         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2393         script_info parameter; change all callers.
2394         (Incremental_inputs::report_object): Add script_info parameter;
2395         change all callers.
2396         (Incremental_inputs::report_script): Store backpointer to
2397         incremental info entry.
2398         (Output_section_incremental_inputs::set_final_data_size): Record
2399         additional information for scripts.
2400         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2401         * incremental.h (Incremental_script_entry::add_object): New function.
2402         (Incremental_script_entry::get_object_count): New function.
2403         (Incremental_script_entry::get_object): New function.
2404         (Incremental_script_entry::objects_): New data member; adjust
2405         constructor.
2406         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2407         (Incremental_inputs::report_object): Add script_info parameter.
2408         (Incremental_inputs_reader::get_object_count): New function.
2409         (Incremental_inputs_reader::get_object_offset): New function.
2410         * options.cc (Input_arguments::add_file): Return reference to
2411         new input argument.
2412         * options.h (Input_argument::set_script_info): New function.
2413         (Input_argument::script_info): New function.
2414         (Input_argument::script_info_): New data member; adjust all
2415         constructors.
2416         (Input_file_group::add_file): Return reference to new input argument.
2417         (Input_file_lib::add_file): Likewise.
2418         (Input_arguments::add_file): Likewise.
2419         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2420         * script.cc (Parser_closure::Parser_closure): Add script_info
2421         parameter; adjust all callers.
2422         (Parser_closure::script_info): New function.
2423         (Parser_closure::script_info_): New data member.
2424         (read_input_script): Report scripts earlier to incremental info.
2425         (script_add_file): Set script_info in Input_argument.
2426         (script_add_library): Likewise.
2427         * script.h (Script_options::Script_info): Rewrite class.
2428
2429 2011-03-29  Cary Coutant  <ccoutant@google.com>
2430
2431         * archive.cc (Library_base::should_include_member): Move
2432         method here from class Archive.
2433         (Archive::Archive): Initialize base class.
2434         (Archive::should_include_member): Move to base class.
2435         (Archive::do_for_all_unused_symbols): New function.
2436         (Add_archive_symbols::run): Remove redundant access to
2437         incremental_inputs.
2438         (Lib_group::Lib_group): Initialize base class.
2439         (Lib_group::do_filename): New function.
2440         (Lib_group::include_member): Pass pointer to Lib_group to
2441         report_object.
2442         (Lib_group::do_for_all_unused_symbols): New function.
2443         (Add_lib_group_symbols::run): Report archive information for
2444         incremental links.
2445         * archive.h (class Library_base): New base class.
2446         (class Archive): Derive from Library_base.
2447         (Archive::filename): Move to base class.
2448         (Archive::set_incremental_info): Likewise.
2449         (Archive::incremental_info): Likewise.
2450         (Archive::Should_include): Likewise.
2451         (Archive::should_include_member): Likewise.
2452         (Archive::Armap_entry): Remove.
2453         (Archive::Unused_symbol_iterator): Remove.
2454         (Archive::unused_symbols_begin): Remove.
2455         (Archive::unused_symbols_end): Remove.
2456         (Archive::do_filename): New function.
2457         (Archive::do_get_mtime): New function.
2458         (Archive::do_for_all_unused_symbols): New function.
2459         (Archive::task_): Move to base class.
2460         (Archive::incremental_info_): Likewise.
2461         (class Lib_group): Derive from Library_base.
2462         (Lib_group::do_filename): New function.
2463         (Lib_group::do_get_mtime): New function.
2464         (Lib_group::do_for_all_unused_symbols): New function.
2465         (Lib_group::task_): Move to base class.
2466         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2467         function.
2468         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2469         function.
2470         * incremental.cc (Incremental_inputs::report_archive_begin):
2471         Use Library_base; call library's get_mtime; add incremental inputs
2472         entry before members.
2473         (class Unused_symbol_visitor): New class.
2474         (Incremental_inputs::report_archive_end): Use Library_base; use
2475         visitor class to record unused symbols; don't add incremental inputs
2476         entry after members.
2477         (Incremental_inputs::report_object): Use Library_base.
2478         * incremental.h
2479         (Incremental_archive_entry::Incremental_archive_entry): Remove
2480         unused Archive parameter.
2481         (Incremental_inputs::report_archive_begin): Use Library_base.
2482         (Incremental_inputs::report_archive_end): Likewise.
2483         (Incremental_inputs::report_object): Likewise.
2484         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2485         function.
2486         * object.h (Object::for_all_global_symbols): New function.
2487         (Object::do_for_all_global_symbols): New function.
2488         (Sized_relobj::do_for_all_global_symbols): New function.
2489         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2490         function.
2491         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2492         function.
2493
2494 2011-03-27  Ian Lance Taylor  <iant@google.com>
2495
2496         * archive.cc (Archive::interpret_header): Return -1 if something
2497         goes wrong.  Change callers accordingly.
2498
2499 2011-03-25  Cary Coutant  <ccoutant@google.com>
2500
2501         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2502         * testsuite/Makefile.in: Regenerate.
2503
2504 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2505
2506         * plugin.cc (get_view): New.
2507         (Plugin::load): Pass get_view to the plugin.
2508         (Plugin_manager::get_view): New.
2509
2510 2011-03-21  Ian Lance Taylor  <iant@google.com>
2511
2512         * testsuite/final_layout.sh: Rewrite to not use dc.
2513         * testsuite/relro_test.sh: Fail if dc is not present.
2514
2515 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2516
2517         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2518         Change == to -eq.
2519         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2520         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2521         Change == to -eq.
2522         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2523         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2524
2525 2011-03-14  Ian Lance Taylor  <iant@google.com>
2526
2527         * script-sections.cc (Sort_output_sections::script_compare):
2528         Rename from is_before, change return type.
2529         (Sort_output_sections::operator()): Adjust accordingly.
2530
2531 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2532
2533         PR gold/12572
2534         * testsuite/odr_violation2.cc: Add comment to make all error line
2535         numbers double digits.
2536         * testsuite/debug_msg.sh: Adjust expected errors.
2537
2538 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2539
2540         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2541         but mark earlier ones as non-canonical
2542         (offset_to_iterator): Update search target and example
2543         (do_addr2line): Return extra lines in a vector*
2544         (format_file_lineno): Extract from do_addr2line
2545         (one_addr2line): Add vector* out-param
2546         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2547         when a lineno entry appeared last for its instruction
2548         (Dwarf_line_info): Add vector* out-param
2549         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2550         * symtab.cc (Odr_violation_compare): Include the lineno in the
2551         comparison again.
2552         (linenos_from_loc): New. Combine the canonical line for an
2553         address with its other lines.
2554         (True_if_intersect): New. Helper functor to make
2555         std::set_intersection a query.
2556         (detect_odr_violations): Compare sets of lines instead of just
2557         one line for each function. This became less deterministic, but
2558         has fewer false positives.
2559         * symtab.h: Declarations.
2560         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2561         mix an optimized and non-optimized object in the same binary
2562         (odr_violation2.so): Same.
2563         * testsuite/Makefile.in: Regenerate from Makefile.am.
2564         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2565         * testsuite/debug_msg.sh: Update line numbers and add
2566         assertions.
2567         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2568         non-optimized context.
2569         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2570         isn't inlined, and use OdrDerived in an optimized context.
2571         * testsuite/odr_header1.h: Defines OdrDerived, where
2572         optimization will change the
2573         first-instruction-in-the-destructor's file and line number.
2574         * testsuite/odr_header2.h: Defines OdrBase.
2575
2576 2011-03-09  Ian Lance Taylor  <iant@google.com>
2577
2578         * fileread.cc (File_read::clear_views): Don't delete the whole
2579         file view.
2580
2581 2011-03-08  Ian Lance Taylor  <iant@google.com>
2582
2583         PR gold/12525
2584         * fileread.cc: #include <climits>.
2585         (GOLD_IOV_MAX): Define.
2586         (File_read::read_multiple): Limit number of entries by iov_max.
2587         * fileread.h (class File_read): Always set max_readv_entries to
2588         128.
2589
2590 2011-03-07  Ian Lance Taylor  <iant@google.com>
2591
2592         PR gold/12525
2593         * options.h (class General_options): Add -dy and -dn.
2594
2595 2011-03-02  Cary Coutant  <ccoutant@google.com>
2596
2597         * testsuite/script_test_9.t: Add TLS segment.
2598
2599 2011-03-02  Simon Baldwin  <simonb@google.com>
2600
2601         * configure.ac: Add check for gnu_indirect_function support in
2602         the toolchain building binutils.
2603         * configure: Rebuild.
2604
2605 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2606
2607         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2608         plugin only symbols.
2609         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2610         in plugin files as not needed in the symbol table.
2611
2612 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2613
2614         * output.cc (Output_section::add_input_section): Delay fill
2615         generation for section ordering.
2616
2617 2011-02-09  Ian Lance Taylor  <iant@google.com>
2618
2619         PR gold/12316
2620         * object.h (class Sized_relobj): Remove clear_local_symbols.
2621         * reloc.cc (Sized_relobj::do_relocate): Don't call
2622         clear_local_symbols.
2623
2624 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2625
2626         * plugin.cc (is_visible_from_outside): Return true for symbols
2627         in the -u option.
2628
2629 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2630
2631         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2632         filename.
2633
2634 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2635
2636         * icf.h (is_section_foldable_candidate): Change type of parameter
2637         to std::string.
2638         * icf.cc (Icf::find_identical_sections): Change type of local variable
2639         section_name to be std::string.
2640         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2641
2642 2011-01-25  Ian Lance Taylor  <iant@google.com>
2643
2644         * script.cc (script_add_extern): Rewrite to use
2645         add_symbol_reference.
2646
2647 2011-01-25  Doug Kwan  <dougkwan@google.com>
2648
2649         * icf.cc (get_section_contents): Always lock section's object.
2650
2651 2011-01-24  Ian Lance Taylor  <iant@google.com>
2652
2653         * options.h (class General_options): Accept
2654         --no-detect-odr-violations.
2655
2656 2011-01-24  Ian Lance Taylor  <iant@google.com>
2657
2658         * version.cc (version_string): Bump to 1.11.
2659
2660 2011-01-24  Ian Lance Taylor  <iant@google.com>
2661
2662         * plugin.cc (class Plugin_rescan): Define new class.
2663         (Plugin_manager::claim_file): Set any_claimed_.
2664         (Plugin_manager::save_archive): New function.
2665         (Plugin_manager::save_input_group): New function.
2666         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2667         necessary.
2668         (Plugin_manager::new_undefined_symbol): New function.
2669         (Plugin_manager::rescan): New function.
2670         (Plugin_manager::rescannable_defines): New function.
2671         (Plugin_manager::add_input_file): Set any_added_.
2672         * plugin.h (class Plugin_manager): define new fields rescannable_,
2673         undefined_symbols_, any_claimed_, and any_added_.  Declare
2674         Plugin_rescan as friend.  Declare new functions.
2675         (Plugin_manager::Rescannable): Define type.
2676         (Plugin_manager::Rescannable_list): Define type.
2677         (Plugin_manager::Undefined_symbol_list): Define type.
2678         (Plugin_manager::Plugin_manager): Initialize new fields.
2679         * archive.cc (Archive::defines_symbol): New function.
2680         (Add_archive_symbols::run): Pass archive to plugins if any.
2681         * archive.h (class Archive): Declare defines_symbol.
2682         * readsyms.cc (Input_group::~Input_group): New function.
2683         (Finish_group::run): Pass input_group to plugins if any.
2684         * readsyms.h (class Input_group): Declare destructor.
2685         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2686         any.
2687
2688 2011-01-10  Ian Lance Taylor  <iant@google.com>
2689
2690         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2691         section as relro.
2692         (Layout::set_segment_offsets): Reset increase_relro before calling
2693         set_section_addresses a second time.
2694
2695 2011-01-04  Cary Coutant  <ccoutant@google.com>
2696
2697         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2698         sections before NOBITS sections.
2699
2700 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2701
2702         * version.cc (print_version): Update copyright to 2011.
2703
2704 2010-12-23  Cary Coutant  <ccoutant@google.com>
2705
2706         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2707         of OS to this->add.  Add OD parameter to second form of the function.
2708
2709 2010-12-20  Ian Lance Taylor  <iant@google.com>
2710
2711         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2712         second of two consecutive entries with same offset.
2713
2714 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2715
2716         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2717         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2718         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2719         to avoid unneeded links against $(LDADD).
2720         * testsuite/Makefile.in: Regenerate.
2721
2722 2010-12-15  Ian Lance Taylor  <iant@google.com>
2723
2724         PR gold/12324
2725         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2726         for R_X86_64_32 and R_X86_64_PC32.
2727         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2728         ver_matching_def_pic.o.
2729         (ver_matching_def_pic.o): New target.
2730
2731 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2732
2733         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2734         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2735         Move definition before File_read::View member definitions.
2736         (File_read::View::~View): Initialize and hold lock before
2737         updating current_mapped_bytes.
2738
2739 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2740
2741         * dwarf_reader.cc: Remove outdated comment.
2742         * gold-threads.cc: Fix typo in error message.
2743         * archive.cc: Fix typos in comments.
2744         * archive.h: Likewise.
2745         * arm-reloc-property.cc: Likewise.
2746         * arm-reloc-property.h: Likewise.
2747         * arm-reloc.def: Likewise.
2748         * arm.cc: Likewise.
2749         * attributes.h: Likewise.
2750         * cref.cc: Likewise.
2751         * ehframe.cc: Likewise.
2752         * fileread.h: Likewise.
2753         * gold.h: Likewise.
2754         * i386.cc: Likewise.
2755         * icf.cc: Likewise.
2756         * incremental.h: Likewise.
2757         * int_encoding.cc: Likewise.
2758         * layout.h: Likewise.
2759         * main.cc: Likewise.
2760         * merge.h: Likewise.
2761         * object.cc: Likewise.
2762         * object.h: Likewise.
2763         * options.cc: Likewise.
2764         * readsyms.cc: Likewise.
2765         * reduced_debug_output.cc: Likewise.
2766         * reloc.cc: Likewise.
2767         * script-sections.cc: Likewise.
2768         * sparc.cc: Likewise.
2769         * symtab.h: Likewise.
2770         * target-reloc.h: Likewise.
2771         * target.cc: Likewise.
2772         * target.h: Likewise.
2773         * timer.cc: Likewise.
2774         * timer.h: Likewise.
2775         * x86_64.cc: Likewise.
2776
2777 2010-12-09  Cary Coutant  <ccoutant@google.com>
2778
2779         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2780         stack.
2781         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2782         parameter; change all callers.
2783         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2784         * options.h (warn_execstack): New option.
2785
2786 2010-12-07  Doug Kwan  <dougkwan@google.com>
2787
2788         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2789         like function call relocations.
2790
2791 2010-12-07  Ian Lance Taylor  <iant@google.com>
2792
2793         * archive.cc (Archive::get_elf_object_for_member): Permit
2794         punconfigured to be NULL.
2795         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2796         (Archive::include_member): Pass NULL to get_elf_object_for_member
2797         if we searched for the archive and this is the first included
2798         object.
2799
2800 2010-12-01  Ian Lance Taylor  <iant@google.com>
2801
2802         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2803         track_relocs_type_ field.
2804         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2805         Set track_relocs_type_.
2806         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2807         contents when using RELA relocs.
2808         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2809         reloc_map_.
2810         * reloc.cc (Track_relocs::next_addend): New function.
2811         * reloc.h (class Track_relocs): Declare next_addend.
2812
2813 2010-12-01  Ian Lance Taylor  <iant@google.com>
2814
2815         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2816         virtual destructor.
2817
2818 2010-12-01  Ian Lance Taylor  <iant@google.com>
2819
2820         * README: Update compilers known to work and fail.
2821
2822 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2823
2824         * configure.in: For --enable-gold, handle value `default' instead of
2825         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2826         not the default.
2827         * configure: Regenerate.
2828
2829 2010-11-18  Doug Kwan  <dougkwan@google.com>
2830
2831         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2832         and right_alignment to be zero.  Store result alignment only if it is
2833         greater than existing alignment.
2834
2835 2010-11-16  Cary Coutant  <ccoutant@google.com>
2836
2837         PR gold/12220
2838         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2839         Check for ".zdebug_line".
2840
2841 2010-11-16  Doug Kwan  <dougkwan@google.com>
2842             Cary Coutant  <ccoutant@google.com>
2843
2844         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2845         by reference; adjust all callers.
2846         * output.cc (Output_segment::set_section_addresses): Adjust references
2847         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2848         list is empty.
2849         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2850         end at page boundary.
2851
2852 2010-11-16  Cary Coutant  <ccoutant@google.com>
2853
2854         PR gold/12220
2855         * layout.cc (Layout::choose_output_section): Transform names of
2856         compressed sections even when using a script with a SECTIONS clause.
2857         (Layout::output_section_name): Remove code to transform
2858         compressed debug section names.
2859         * output.cc (Output_section::add_input_section): Use uncompressed
2860         section size when tracking input sections.
2861
2862 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2863
2864         * symtab.h (Symbol::NON_PIC_REF): Remove.
2865         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2866         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2867         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2868         (Symbol::use_plt_offset): Take a flags argument and pass it
2869         directly to needs_dynamic_reloc.  Restrict check for undefined
2870         weak symbols to function calls.
2871         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2872         (Target_arm::Scan::global): Use it.
2873         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2874         (Target_arm::Relocate::relocate): Likewise.
2875         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2876         parameter with an r_type parameter.  Use get_reference_flags
2877         to get the flags.
2878         (Target_arm::Relocate::relocate): Update accordingly.
2879         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2880         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2881         (Target_i386::Scan::global): Likewise.
2882         (Target_i386::Relocate::relocate): Likewise.
2883         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2884         parameter with an r_type parameter.  Use get_reference_flags
2885         to get the flags.
2886         (Target_i386::Relocate::relocate): Update accordingly.
2887         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2888         (Target_powerpc::Scan::global): Use it.
2889         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2890         (Target_powerpc::Relocate::relocate): Likewise.
2891         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2892         (Target_sparc::Scan::global): Use it.
2893         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2894         (Target_sparc::Relocate::relocate): Likewise.
2895         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2896         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2897         (Target_x86_64::Scan::global): Likewise.
2898         (Target_x86_64::Relocate::relocate): Likewise.
2899
2900 2010-11-08  Doug Kwan  <dougkwan@google.com>
2901             Cary Coutant  <ccoutant@google.com>
2902
2903         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2904         (Arm_exidx_merge_section::section_contents_): New data member.
2905         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2906         (Arm_input_section::~Arm_input_section): De-allocate memory.
2907         (Arm_input_section::original_contents_): New data member.
2908         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2909         in parameters instead of calling Object::section_contents without
2910         locking.
2911         (Arm_output_section::group_section): New parameter TASK.  Pass it
2912         to callees that need locking objects.
2913         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2914         to lock EXIDX input sections.  Fix a formatting issue.  Call
2915         Arm_exidx_merged_section::build_contents to create merged section
2916         contents.
2917         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2918         to lock object of stub table owner.
2919         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2920         TEXT_SIZE to initialize data member TEXT_SIZE_.
2921         (Arm_exidx_input_section::addralign): Fix typo in comment.
2922         (Arm_exidx_input_section::text_size): New method.
2923         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2924         that require locking objects.  Lock objects before scanning for stubs
2925         and updating local symbols.
2926         (Arm_input_section<big_endian>::init): Copy contents of original
2927         input section.
2928         (Arm_input_section<big_endian>::do_write): Use saved contents of
2929         original input section instead of calling Object::section_contents
2930         without locking.
2931         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2932         size without calling Object::section_size().
2933         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2934         for size.  Allocate a buffer for merged EXIDX entries.
2935         (Arm_exidx_merged_section::build_contents): New method.
2936         (Arm_exidx_merged_section::do_write): Move merge section contents
2937         building code to Arm_exidx_merged_section::build_contetns.  Write
2938         out contetns in buffer instead of building it on the fly.
2939         (Arm_relobj::make_exidx_input_section): Also pass text section size
2940         to Arm_exidx_input_section constructor.
2941         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2942         (Arm_dynobj::do_read_symbols): Fix memory leak.
2943         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2944         * target.h: (class Task): Add forward declaration.
2945         (Target::relax): Add new parameter TASK and pass it to
2946         Target::do_relax().
2947         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2948
2949 2010-11-05  Cary Coutant  <ccoutant@google.com>
2950
2951         PR gold/10708
2952         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2953         object when reading from the file.
2954         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2955         second layout pass.
2956         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2957         when reading section contents.
2958         (get_section_contents): Likewise.
2959         (icf::find_identical_sections): Likewise.
2960         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2961         object when reading from the file.
2962         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2963         the object when doing deferred section layout.
2964
2965 2010-11-03  Nick Clifton  <nickc@redhat.com>
2966
2967         PR gold/12001
2968         * script.h (class Symbol_assignment: name): New member.  Returns
2969         the name of the symbol.
2970         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2971         Returns true if the given symbol name is on the list of
2972         assignments wating to be processed.
2973         * archive.cc (should_incldue_member): If the symbol is undefined,
2974         check to see if it is on the list of symbols pending assignment.
2975
2976 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2977
2978         * script-sections.cc (Script_sections::find_memory_region): Check
2979         for a NULL output section pointer.
2980
2981 2010-10-29  Doug Kwan  <dougkwan@google.com>
2982
2983         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2984         Output_section::add_relaxed_input_section.
2985         * output.cc (Output_section::add_relaxed_input_section): Add new
2986         arguments LAYOUT and NAME.  Set section order index.
2987         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2988         Copy section order index.
2989         * output.h (Output_section::add_relaxed_input_section): Add new
2990         arguments LAYOUT and NAME.
2991
2992 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2993
2994         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2995         NATIVE_OR_CROSS_LINKER.
2996         * testsuite/Makefile.in: Regenerate.
2997
2998 2010-10-20  Doug Kwan  <dougkwan@google.com>
2999
3000         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3001         without SHF_LINK_ORDER flags.
3002         * layout.cc (Layout::choose_output_section): Do not filter
3003         SHF_LINK_ORDER flag in a relocatable link.
3004
3005 2010-10-17  Cary Coutant  <ccoutant@google.com>
3006
3007         * output.h (Output_segment::set_section_addresses): Change function
3008         signature.  Update all callers.
3009         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3010         sections.
3011         (Output_segment::set_section_addresses): Align after last TLS
3012         section.  Add padding before last relro section instead of after.
3013
3014 2010-10-17  Doug Kwan  <dougkwan@google.com>
3015
3016         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3017         GOT output section to be writable.
3018
3019 2010-10-14  Cary Coutant  <ccoutant@google.com>
3020
3021         * debug.h (DEBUG_INCREMENTAL): New flag.
3022         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3023         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3024         mode.
3025         * incremental.cc (report_command_line): Ignore all forms of
3026         --incremental.
3027         * layout.cc (Layout::Layout): Check parameters for incremental link
3028         mode.
3029         * options.cc (General_options::parse_incremental): New function.
3030         (General_options::parse_no_incremental): New function.
3031         (General_options::parse_incremental_full): New function.
3032         (General_options::parse_incremental_update): New function.
3033         (General_options::incremental_mode_): New data member.
3034         (General_options::finalize): Check incremental_mode_.
3035         * options.h (General_options): Update help text for --incremental.
3036         Add --no-incremental, --incremental-full, --incremental-update.
3037         (General_options::Incremental_mode): New enum type.
3038         (General_options::incremental_mode): New function.
3039         (General_options::incremental_mode_): New data member.
3040         * parameters.cc (Parameters::incremental_mode_): New data member.
3041         (Parameters::set_options): Set incremental_mode_.
3042         (Parameters::set_incremental_full): New function.
3043         (Parameters::incremental): New function.
3044         (Parameters::incremental_update): New function.
3045         (set_parameters_incremental_full): New function.
3046         * parameters.h (Parameters::set_incremental_full): New function.
3047         (Parameters::incremental): New function.
3048         (Parameters::incremental_update): New function.
3049         (Parameters::incremental_mode_): New data member.
3050         (set_parameters_incremental_full): New function.
3051         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3052         incremental link mode.
3053         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3054         (Sized_relobj::do_relocate_sections): Likewise.
3055         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3056         option.
3057         * testsuite/Makefile.in: Regenerate.
3058         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3059
3060 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3061
3062         * script-sections.h (class Script_sections): Make
3063         Sections_elements typedef public.
3064         * script-sections.cc (class Sort_output_sections): Add elements_
3065         field.  Add constructor which sets it; change all callers.
3066         (Sort_output_sections::is_before): New function.
3067         (Sort_output_sections::operator()): Call is_before.
3068         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3069         conditional.
3070         * testsuite/script_test_10.sh: New test. Test script section
3071         order.
3072         * testsuite/script_test_10.t: Likewise.
3073         * testsuite/script_test_10.s: Likewise.
3074         * testsuite/Makefile.am: Wrap the cross linker tests and the
3075         common tests into NATIVE_OR_CROSS_LINKER.
3076         (check_SCRIPTS): Add script_test_10.sh.
3077         (check_DATA): Add script_test_10.stdout.
3078         (script_test_10.o, script_test_10): New targets.
3079         (script_test_10.stdout): New target.
3080         * configure, testsuite/Makefile.in: Regenerate.
3081
3082 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3083
3084         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3085         error for the deprecated relocations.
3086         (Target_arm::Scan::global): Likewise.
3087         (Target_arm::Relocate::relocate): Likewise.
3088
3089 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3090
3091         * fileread.cc (Input_file::find_file): Initialize *found_name
3092         and *namep when using the fallback search for case 4.
3093
3094 2010-10-11  Cary Coutant  <ccoutant@google.com>
3095
3096         * options.h (class General_options): Redefine -z lazy as an alias for
3097         the negation of -z now.
3098
3099 2010-10-11  Ian Lance Taylor  <iant@google.com>
3100
3101         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3102         binding.
3103
3104 2010-10-06  Nick Clifton  <nickc@redhat.com>
3105
3106         * script-sections.cc(class Memory_region): Remove
3107         current_lma_offset_ field.  Rename current_vma_offset_ to
3108         current_offset_.  Add last_section_ field.
3109         (Memory_region::get_current_vma_address): Rename to
3110         get_current_address.
3111         (Memory_region::get_current_lma_address): Delete.
3112         (Memory_region::increment_vma_offset): Rename to
3113         increment_offset.
3114         (Memory_region::increment_lma_offset): Delete.
3115         (Memory_region::attributes_compatible): New method.  Returns
3116         true if the provided section is compatible with the region.
3117         (Memory_region::get_last_section): New method.  Returns the last
3118         section to use the region.
3119         (Memory_region::set_last_section): New method.  Stores the last
3120         section to use the region.
3121         (Script_sections::block_in_region): New method.  Returns true if
3122         a block of memory is contained within a region.
3123         (Script_sections::find_memory_region): New method.  Locates a
3124         memory region to be used to set a VMA or LMA address.
3125         (Output_section_definition::set_section_addresses): Add code to
3126         check for addresses set by memory regions.
3127         (Output_segment::set_section_addresses): Remove memory region
3128         walking code.
3129         (Script_sections::create_segment): Add a warning if a header
3130         segment is created outside of any region.
3131         * script-sections.h (class Script_sections): Add prototypes for
3132         find_memory_region and block_in_region methods.
3133         * testsuite/memory_test.s: Use .long instead of .word.
3134         * testsuite/memory_test.t: Add some more output sections.
3135         * testsuite/memory_test.sh: Update expected output.
3136
3137 2010-10-02  Doug Kwan  <dougkwan@google.com>
3138
3139         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3140         defintion to symtab.h
3141         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3142         declaration to defintion.
3143
3144 2010-10-01  Nick Clifton  <nickc@redhat.com>
3145
3146         * expression.cc (eval): Replace dummy argument with NULL.
3147         (eval_maybe_dot): Check for a NULL result section pointer.
3148         (Symbol_expression::value): Likewise.
3149         (Dot_expression::value): Likewise.
3150         (BINARY_EXPRESSION): Likewise.
3151         (Max_expression::value): Likewise.
3152         (Min_expression::value): Likewise.
3153         (Absolute_expression::value): Likewise.
3154         (Addr_expression::value_from_output_section): Likewise.
3155         (Loaddddr_expression::value_from_output_section): Likewise.
3156         (Segment_start_expression::value): Likewise.
3157         * script-sections.cc
3158         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3159         argument with NULL.
3160         (Sections_elememt_dot_assignment::set_section_addresses):
3161         Likewise.
3162         (Output_data_expression::do_write_to_buffer): Likewise.
3163         (Output_section_definition::finalize_symbols): Likewise.
3164         (Output_section_definition::set_section_addresses): Likewise.
3165
3166 2010-09-30  Doug Kwan  <dougkwan@google.com>
3167
3168         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3169
3170 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3171
3172         * target.h (Target::can_icf_inline_merge_sections): New virtual
3173         function.
3174         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3175         virtual function.
3176         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3177         virtual function.
3178         * icf.cc (get_section_contents): Inline merge sections only when
3179         target allows it.
3180
3181 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3182
3183         * configure: Regenerate.
3184
3185 2010-09-17  Ian Lance Taylor  <iant@google.com>
3186
3187         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3188         * testsuite/Makefile.am (memory_test.o): New target.
3189         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3190         memory_test.t.
3191         * testsuite/Makefile.in: Rebuild.
3192
3193 2010-09-17  Doug Kwan  <dougkwan@google.com>
3194
3195         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3196         defintion if relocation uses GOT entries of the symbol.
3197         * testsuite/icf_safe_test.sh: Fix test.
3198         * testsuite/icf_safe_so_test.sh: Fix test.
3199
3200 2010-09-16  Cary Coutant  <ccoutant@google.com>
3201
3202         * script_sections.cc (class Memory_region): Remove "NULL" from
3203         vector initializations.
3204
3205 2010-09-15  Cary Coutant  <ccoutant@google.com>
3206
3207         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3208         Resolve forwarding symbols.
3209
3210 2010-09-15  Doug Kwan  <dougkwan@google.com>
3211
3212         * gold/testsuite/script_test_3.t: Add ARM special sections.
3213         * gold/testsuite/script_test_4.t: Same.
3214         * gold/testsuite/script_test_5.t: Same.
3215         * gold/testsuite/script_test_6.t: Same.
3216         * gold/testsuite/script_test_7.t: Same.
3217         * gold/testsuite/script_test_7.t: Same.
3218         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3219
3220 2010-09-14  Cary Coutant  <ccoutant@google.com>
3221
3222         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3223         (Target_x86_64::Relocate::relocate_tls): Replace check for
3224         saw_tls_block_reloc_ with test for executable section.
3225
3226 2010-09-12  Cary Coutant  <ccoutant@google.com>
3227
3228         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3229         position-independent executables to shared libraries need dynamic
3230         relocations.
3231         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3232         position-independent executables.
3233         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3234         * testsuite/Makefile.in: Regenerate.
3235
3236 2010-09-10  Nick Clifton  <nickc@redhat.com>
3237
3238         PR gold/11997
3239         * testsuite/memory_test.t: Discard any sections that are not
3240         needed.
3241
3242 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3243
3244         PR gold/11996
3245         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3246         "This::" to work around a bug in gcc 4.2.
3247
3248         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3249
3250 2010-09-09  Rafael Espindola  <espindola@google.com>
3251
3252         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3253         sections with different PF_X flags in the same segment.
3254         (Layout::find_first_load_seg): Search all segments to find the first
3255         one.
3256         * options.h (rosegment): New.
3257
3258 2010-09-08  Rafael Espindola  <espindola@google.com>
3259
3260         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3261
3262 2010-09-08  Doug Kwan  <dougkwan@google.com>
3263
3264         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3265         (Arm_relobj::do_relocate_sections): Add new parameter for output
3266         file to match the parent.
3267         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3268         of local symbols instead of input values.  Update code to track
3269         changes in gold::relocate_section.
3270         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3271         (Sized_relobj::compute_final_local_value_internal): New methods.
3272         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3273         body into private version of Sized_relobj::compute_final_local_value.
3274         Call the inline method.
3275         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3276         merged symbol value if there is one.
3277         (Symbol_value::has_output_value): New method defintiion.
3278         (Sized_relobj::Compute_final_local_value_status): New enum type.
3279         (Sized_relobj::compute_final_local_value): New methods.
3280         (Sized_relobj::compute_final_local_value_internal): New methods.
3281         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3282         and arm_cortex_a8.sh.
3283         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3284         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3285         New tests.
3286         * Makefile.in: Regenerate.
3287         * testsuite/arm_bl_out_of_range.s: Update test.
3288         * testsuite/thumb_bl_out_of_range.s: Ditto.
3289         * testsuite/thumb_blx_out_of_range.s: Ditto.
3290         * testsuite/arm_branch_out_of_range.sh: New file.
3291         * testsuite/arm_cortex_a8.sh: Ditto.
3292         * testsuite/arm_cortex_a8_b.s: Ditto.
3293         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3294         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3295         * testsuite/arm_cortex_a8_bl.s: Ditto.
3296         * testsuite/arm_cortex_a8_blx.s: Ditto.
3297         * testsuite/arm_cortex_a8_local.s: Ditto.
3298         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3299         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3300
3301 2010-09-08  Rafael Espindola  <espindola@google.com>
3302
3303         * Makefile.am (memory_test.stdout): Run readelf with -W.
3304         * Makefile.in: Regenerate.
3305         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3306         64 bit output.
3307
3308 2010-09-08  Rafael Espindola  <espindola@google.com>
3309
3310         * script-sections.cc (Script_sections::add_memory_region): Convert
3311         field precision to int.
3312         * script.cc (script_set_section_region, script_set_section_region):
3313         Convert field precision to int.
3314
3315 2010-09-08  Rafael Espindola  <espindola@google.com>
3316
3317         * arm.cc (do_finalize_sections): Create the __exidx_start and
3318         __exdix_end symbols even when the section is missing.
3319
3320 2010-09-08  Nick Clifton  <nickc@redhat.com>
3321
3322         * README: Remove claim that MEMORY is not supported.
3323         * expression.cc (script_exp_function_origin)
3324         (script_exp_function_length): Move from here to ...
3325         * script.cc: ... here.
3326         (script_set_section_region, script_add_memory)
3327         (script_parse_memory_attr, script_include_directive): New
3328         functions.
3329         * script-sections.cc
3330         (class Memory_region): New class.
3331         (class Output_section_definition): Add set_memory_region,
3332         set_section_vma, set_section_lma and get_section_name methods.
3333         (class Script_Sections): Add add_memory_region,
3334         find_memory_region, find_memory_region_origin,
3335         find_memory_region_length and set_memory_region methods.
3336         Have set_section_addresses method walk the list of set memory
3337         regions.
3338         Extend the print methos to display memory regions.
3339         * script-sections.h: Add prototypes for new methods.
3340         Add enum for MEMORY region attributes.
3341         * yyscript.y: Add support for parsing MEMORY regions.
3342         * script-c.h: Add prototypes for new functions.
3343         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3344         * testsuite/Makefile.in: Regenerate.
3345         * testsuite/memory_test.sh: New script.
3346         * testsuite/memory_test.s: New assembler source file.
3347         * testsuite/memory_test.t: New linker script.
3348
3349 2010-08-27  Doug Kwan  <dougkwan@google.com>
3350
3351         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3352         reference override an existing dynamic weak reference.
3353         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3354         * testsuite/Makefile.in: Regenerate.
3355         * testsuite/dyn_weak_ref.sh: New file.
3356         * testsuite/dyn_weak_ref_1.c: Ditto.
3357         * testsuite/dyn_weak_ref_2.c: Ditto.
3358
3359 2010-08-27  Ian Lance Taylor  <iant@google.com>
3360
3361         * incremental.h (class Incremental_input_entry): Add virtual
3362         destructor.
3363
3364 2010-08-27  Ian Lance Taylor  <iant@google.com>
3365
3366         * testsuite/start_lib_test_3.c: Mark t3 as used.
3367
3368 2010-08-27  Nick Clifton  <nickc@redhat.com>
3369
3370         * options.cc (version_script): Fix small typo in previous
3371         whitespace tidyup.
3372
3373 2010-08-25  Nick Clifton  <nickc@redhat.com>
3374
3375         * archive.cc: Formatting fixes: Remove whitespace between
3376         typename and following asterisk.  Remove whitespace between
3377         function name and opening parenthesis.
3378         * archive.h: Likewise.
3379         * arm.cc: Likewise.
3380         * attributes.cc: Likewise.
3381         * attributes.h: Likewise.
3382         * common.cc: Likewise.
3383         * copy-relocs.cc: Likewise.
3384         * dirsearch.h: Likewise.
3385         * dynobj.cc: Likewise.
3386         * ehframe.cc: Likewise.
3387         * ehframe.h: Likewise.
3388         * expression.cc: Likewise.
3389         * fileread.cc: Likewise.
3390         * fileread.h: Likewise.
3391         * gc.h: Likewise.
3392         * gold-threads.cc: Likewise.
3393         * gold.cc: Likewise.
3394         * i386.cc: Likewise.
3395         * icf.h: Likewise.
3396         * incremental-dump.cc: Likewise.
3397         * incremental.cc: Likewise.
3398         * layout.cc: Likewise.
3399         * layout.h: Likewise.
3400         * main.cc: Likewise.
3401         * merge.cc: Likewise.
3402         * merge.h: Likewise.
3403         * object.cc: Likewise.
3404         * object.h: Likewise.
3405         * options.cc: Likewise.
3406         * options.h: Likewise.
3407         * output.cc: Likewise.
3408         * output.h: Likewise.
3409         * plugin.cc: Likewise.
3410         * plugin.h: Likewise.
3411         * powerpc.cc: Likewise.
3412         * reloc.cc: Likewise.
3413         * script-c.h: Likewise.
3414         * script-sections.cc: Likewise.
3415         * script.cc: Likewise.
3416         * stringpool.cc: Likewise.
3417         * symtab.cc: Likewise.
3418         * symtab.h: Likewise.
3419         * target.cc: Likewise.
3420         * timer.cc: Likewise.
3421         * timer.h: Likewise.
3422         * version.cc: Likewise.
3423         * x86_64.cc: Likewise.
3424
3425 2010-08-24  Nick Clifton  <nickc@redhat.com>
3426
3427         PR 11899
3428         * layout.cc (segment_precedes): Sort segments by their physical
3429         addresses, if they have been set.
3430
3431 2010-08-23  Cary Coutant  <ccoutant@google.com>
3432
3433         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3434         symbols data.
3435         (Lib_group::include_member): Unlock object after deleting its
3436         symbols data.
3437         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3438         the bug fixed here.
3439
3440 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3441             Cary Coutant  <ccoutant@google.com>
3442
3443         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3444         constructor, and set_blocker.
3445         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3446         readsyms_blocker_.
3447         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3448         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3449         * testsuite/Makefile.am (start_lib_test): New test case.
3450         * testsuite/Makefile.in: Regenerate.
3451         * testsuite/start_lib_test_main.c: New file.
3452         * testsuite/start_lib_test_1.c: New file.
3453         * testsuite/start_lib_test_2.c: New file.
3454         * testsuite/start_lib_test_3.c: New file.
3455
3456 2010-08-19  Ian Lance Taylor  <iant@google.com>
3457
3458         * Makefile.in: Rebuild with automake 1.11.1.
3459         * aclocal.m4: Likewise.
3460         * testsuite/Makefile.in: Likewise.
3461
3462 2010-08-19  Ian Lance Taylor  <iant@google.com>
3463
3464         PR 10893
3465         * i386.cc (class Output_data_plt_i386): Update declarations.
3466         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3467         local_ifuncs_ fields.
3468         (Target_i386::do_plt_section_for_global): New function.
3469         (Target_i386::do_plt_section_for_local): New function.
3470         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3471         parameter; change all callers.  Initialize global_ifuncs_ and
3472         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3473         __rel_iplt_end.
3474         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3475         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3476         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3477         symbols.
3478         (Target_i386::make_plt_section): New function, broken out of
3479         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3480         (Target_i386::make_plt_entry): Call make_plt_section.
3481         (Target_i386::make_local_ifunc_plt_entry): New function.
3482         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3483         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3484         R_386_IRELATIVE to switch.
3485         (Target_i386::Scan::global): Likewise.
3486         (Target_i386::Relocate::relocate): Likewise.
3487         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3488         switch.
3489         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3490         (Target_x86_64::do_plt_section_for_global): New function.
3491         (Target_x86_64::do_plt_section_for_local): New function.
3492         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3493         parameter; change all callers.  If doing a static link define
3494         __rela_iplt_start and __rela_iplt_end.
3495         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3496         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3497         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3498         to point to .plt.
3499         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3500         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3501         switch.
3502         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3503         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3504         R_X86_64_IRELATIVE to switch.
3505         (Target_x86_64::Scan::global): Likewise.
3506         (Target_x86_64::Relocate::relocate): Likewise.
3507         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3508         switch.
3509         * target.h (class Target): Add plt_section_for_global and
3510         plt_section_for_local functions.  Add do_plt_section_for_global
3511         and do_plt_section_for_local virtual functions.
3512         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3513         clarifying comments.
3514         (Symbol::use_plt_offset): Handle IFUNC symbol.
3515         * object.cc (Sized_relobj::Sized_relobj): Initialize
3516         local_plt_offsets_.
3517         (Sized_relobj::local_has_plt_offset): New function.
3518         (Sized_relobj::local_plt_offset): New function.
3519         (Sized_relobj::set_local_plt_offset): New function.
3520         (Sized_relobj::do_count): Handle IFUNC symbol.
3521         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3522         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3523         is_ifunc_symbol functions.
3524         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3525         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3526         local_plt_offsets_ field.
3527         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3528         * output.h (class Output_section_data): Add non-const
3529         output_section function.
3530         (class Output_data_got): Update declarations.
3531         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3532         Add use_plt_offset parameter to global and local constructors.
3533         Change all callers.  Change local_sym_index_ field to 31 bits.
3534         Change GSYM_CODE and CONSTANT_CODE accordingly.
3535         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3536         doing a static link don't set sh_link field.
3537         (Output_data_got::Got_entry::write): Use PLT offset if
3538         appropriate.
3539         (Output_data_got::add_global_plt): New function.
3540         (Output_data_got::add_local_plt): New function.
3541         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3542         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3543         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3544         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3545         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3546         IFUNC conditional.
3547         * testsuite/ifunc-sel.h: New file.
3548         * testsuite/ifuncmain1.c: New file.
3549         * testsuite/ifuncmain1vis.c: New file.
3550         * testsuite/ifuncmod1.c: New file.
3551         * testsuite/ifuncdep2.c: New file.
3552         * testsuite/ifuncmain2.c: New file.
3553         * testsuite/ifuncmain3.c: New file.
3554         * testsuite/ifuncmod3.c: New file.
3555         * testsuite/ifuncmain4.c: New file.
3556         * testsuite/ifuncmain5.c: New file.
3557         * testsuite/ifuncmod5.c: New file.
3558         * testsuite/ifuncmain6pie.c: New file.
3559         * testsuite/ifuncmod6.c: New file.
3560         * testsuite/ifuncmain7.c: New file.
3561         * configure, testsuite/Makefile.in: Rebuild.
3562
3563 2010-08-18  Ian Lance Taylor  <iant@google.com>
3564
3565         * incremental.cc
3566         (Output_section_incremental_inputs::write_input_files): Add cast
3567         to avoid signed/unsigned comparison warning.
3568         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3569
3570 2010-08-12  Cary Coutant  <ccoutant@google.com>
3571
3572         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3573
3574 2010-08-13  Ian Lance Taylor  <iant@google.com>
3575
3576         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3577
3578 2010-08-12  Cary Coutant  <ccoutant@google.com>
3579             Doug Kwan  <dougkwan@google.com>
3580
3581         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3582         defintion overrides non-weak undef, remember that the original undef
3583         is not weak.
3584         * symtab.cc (Symbol_table::sized_write_global): For undef without
3585         an original weak binding, set binding to global in output.
3586         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3587         * testsuite/Makefile.in: Regenerate.
3588         * testsuite/strong_ref_weak_def.sh: New file.
3589         * testsuite/strong_ref_weak_def_1.c: Ditto.
3590         * testsuite/strong_ref_weak_def_2.c: Ditto.
3591
3592 2010-08-12  Cary Coutant  <ccoutant@google.com>
3593
3594         * testsuite/incremental_test.sh: Rewrite.
3595         * testsuite/incremental_test_1.c: Rewrite.
3596         * testsuite/incremental_test_2.c: Rewrite.
3597
3598 2010-08-12  Cary Coutant  <ccoutant@google.com>
3599
3600         * arm.cc (Target_arm::got_size): Add const.
3601         (Target_arm::got_entry_count): New function.
3602         (Target_arm::plt_entry_count): New function.
3603         (Target_arm::first_plt_entry_offset): New function.
3604         (Target_arm::plt_entry_size): New function.
3605         (Output_data_plt_arm::entry_count): New function.
3606         (Output_data_plt_arm::first_plt_entry_offset): New function.
3607         (Output_data_plt_arm::get_plt_entry_size): New function.
3608         * i386.cc (Target_i386::got_size): Add const.
3609         (Target_i386::got_entry_count): New function.
3610         (Target_i386::plt_entry_count): New function.
3611         (Target_i386::first_plt_entry_offset): New function.
3612         (Target_i386::plt_entry_size): New function.
3613         (Output_data_plt_i386::entry_count): New function.
3614         (Output_data_plt_i386::first_plt_entry_offset): New function.
3615         (Output_data_plt_i386::get_plt_entry_size): New function.
3616         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3617         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3618         * incremental.cc: Include target.h.
3619         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3620         parameter.  Adjust all callers.  Find incremental_got_plt section.
3621         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3622         section.
3623         (Output_section_incremental_inputs::set_final_data_size): Calculate
3624         size of incremental_got_plt section.
3625         (Output_section_incremental_inputs::do_write): Write the
3626         incremental_got_plt section.
3627         (Got_plt_view_info): New struct.
3628         (Local_got_offset_visitor): New class.
3629         (Global_got_offset_visitor): New class.
3630         (Global_symbol_visitor_got_plt): New class.
3631         (Output_section_incremental_inputs::write_got_plt): New function.
3632         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3633         Add parameter.  Adjust all callers.
3634         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3635         (Incremental_inputs::got_plt_section): New function.
3636         (Incremental_inputs::got_plt_section_): New data member.
3637         (Incremental_got_plt_reader): New class.
3638         * layout.cc (Layout::create_incremental_info_sections): Add the
3639         incremental_got_plt section.
3640         * object.h (Got_offset_list::get_list): New function.
3641         (Got offset_list::for_all_got_offsets): New function.
3642         (Sized_relobj::local_got_offset_list): New function.
3643         * powerpc.cc (Target_powerpc::got_size): Add const.
3644         (Target_powerpc::got_entry_count): New function.
3645         (Target_powerpc::plt_entry_count): New function.
3646         (Target_powerpc::first_plt_entry_offset): New function.
3647         (Target_powerpc::plt_entry_size): New function.
3648         (Output_data_plt_powerpc::entry_count): New function.
3649         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3650         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3651         * sparc.cc (Target_sparc::got_size): Add const.
3652         (Target_sparc::got_entry_count): New function.
3653         (Target_sparc::plt_entry_count): New function.
3654         (Target_sparc::first_plt_entry_offset): New function.
3655         (Target_sparc::plt_entry_size): New function.
3656         (Output_data_plt_sparc::entry_count): New function.
3657         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3658         (Output_data_plt_sparc::get_plt_entry_size): New function.
3659         * symtab.h (Symbol::got_offset_list): New function.
3660         (Symbol_table::for_all_symbols): New function.
3661         * target.h (Sized_target::got_entry_count): New function.
3662         (Sized_target::plt_entry_count): New function.
3663         (Sized_target::plt_entry_size): New function.
3664         * x86_64.cc (Target_x86_64::got_size): Add const.
3665         (Target_x86_64::got_entry_count): New function.
3666         (Target_x86_64::plt_entry_count): New function.
3667         (Target_x86_64::first_plt_entry_offset): New function.
3668         (Target_x86_64::plt_entry_size): New function.
3669         (Output_data_plt_x86_64::entry_count): New function.
3670         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3671         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3672
3673 2010-08-12  Cary Coutant  <ccoutant@google.com>
3674
3675         * archive.cc: Include incremental.h.
3676         (Archive::Archive): Initialize incremental_info_.
3677         (Archive::include_member): Record archive members in incremental info.
3678         (Add_archive_symbols::run): Record begin and end of an archive in
3679         incremental info.
3680         (Lib_group::include_member): Record objects in incremental info.
3681         * archive.h (Incremental_archive_entry): Forward declaration.
3682         (Archive::set_incremental_info): New member function.
3683         (Archive::incremental_info): New member function.
3684         (Archive::Unused_symbol_iterator): New class.
3685         (Archive::unused_symbols_begin): New member function.
3686         (Archive::unused_symbols_end): New member function.
3687         (Archive::incremental_info_): New data member.
3688         * incremental-dump.cc (find_input_containing_global): New function.
3689         (dump_incremental_inputs): Dump new incremental info sections.
3690         * incremental.cc: Include symtab.h.
3691         (Output_section_incremental_inputs): New class.
3692         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3693         new incremental info sections.
3694         (Sized_incremental_binary::do_check_inputs): Likewise.
3695         (Incremental_inputs::report_archive): Remove.
3696         (Incremental_inputs::report_archive_begin): New function.
3697         (Incremental_inputs::report_archive_end): New function.
3698         (Incremental_inputs::report_object): New function.
3699         (Incremental_inputs::finalize_inputs): Remove.
3700         (Incremental_inputs::report_input_section): New function.
3701         (Incremental_inputs::report_script): Rewrite.
3702         (Incremental_inputs::finalize): Do nothing but finalize string table.
3703         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3704         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3705         (Incremental_inputs::create_data_sections): New function.
3706         (Incremental_inputs::relocs_entsize): New function.
3707         (Output_section_incremental_inputs::set_final_data_size): New function.
3708         (Output_section_incremental_inputs::do_write): New function.
3709         (Output_section_incremental_inputs::write_header): New function.
3710         (Output_section_incremental_inputs::write_input_files): New function.
3711         (Output_section_incremental_inputs::write_info_blocks): New function.
3712         (Output_section_incremental_inputs::write_symtab): New function.
3713         * incremental.h (Incremental_script_entry): Forward declaration.
3714         (Incremental_object_entry): Forward declaration.
3715         (Incremental_archive_entry): Forward declaration.
3716         (Incremental_inputs): Forward declaration.
3717         (Incremental_inputs_header_data): Remove.
3718         (Incremental_inputs_header): Remove.
3719         (Incremental_inputs_header_write): Remove.
3720         (Incremental_inputs_entry_data): Remove.
3721         (Incremental_inputs_entry): Remove.
3722         (Incremental_inputs_entry_write): Remove.
3723         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3724         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3725         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3726         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3727         Likewise.
3728         (Incremental_input_entry): New class.
3729         (Incremental_script_entry): New class.
3730         (Incremental_object_entry): New class.
3731         (Incremental_archive_entry): New class.
3732         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3733         (Incremental_inputs::report_inputs): Remove.
3734         (Incremental_inputs::report_archive): Remove.
3735         (Incremental_inputs::report_archive_begin): New function.
3736         (Incremental_inputs::report_archive_end): New function.
3737         (Incremental_inputs::report_object): Change prototype.
3738         (Incremental_inputs::report_input_section): New function.
3739         (Incremental_inputs::report_script): Change prototype.
3740         (Incremental_inputs::get_reloc_count): New function.
3741         (Incremental_inputs::set_reloc_count): New function.
3742         (Incremental_inputs::create_data_sections): New function.
3743         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3744         (Incremental_inputs::inputs_section): New function.
3745         (Incremental_inputs::symtab_section): New function.
3746         (Incremental_inputs::relocs_section): New function.
3747         (Incremental_inputs::get_stringpool): Add const.
3748         (Incremental_inputs::command_line): Add const.
3749         (Incremental_inputs::inputs): Remove.
3750         (Incremental_inputs::command_line_key): New function.
3751         (Incremental_inputs::input_file_count): New function.
3752         (Incremental_inputs::input_files): New function.
3753         (Incremental_inputs::relocs_entsize): New function.
3754         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3755         (Incremental_inputs::finalize_inputs): Remove.
3756         (Incremental_inputs::Input_info): Remove.
3757         (Incremental_inputs::lock_): Remove.
3758         (Incremental_inputs::inputs_): Change type.
3759         (Incremental_inputs::inputs_map_): Remove.
3760         (Incremental_inputs::current_object_entry_): New data member.
3761         (Incremental_inputs::inputs_section_): New data member.
3762         (Incremental_inputs::symtab_section_): New data member.
3763         (Incremental_inputs::relocs_section_): New data member.
3764         (Incremental_inputs::reloc_count_): New data member.
3765         (Incremental_inputs_reader): New class.
3766         (Incremental_symtab_reader): New class.
3767         (Incremental_relocs_reader): New class.
3768         * layout.cc (Layout::finalize): Move finalization of incremental info
3769         and creation of incremental info sections to follow finalization of
3770         symbol table.  Set offsets for postprocessing sections.
3771         (Layout::create_incremental_info_sections): Call
3772         Incremental_inputs::create_data_sections.  Add incremental symtab
3773         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3774         sections to layout after input sections.
3775         * layout.h (struct Timespec): Forward declaration.
3776         (Layout::incremental_inputs): Add const.
3777         (Layout::create_incremental_info_sections): Add parameter.
3778         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3779         * object.cc: Include incremental.h.
3780         (Relobj::finalize_incremental_relocs): New function.
3781         (Sized_relobj::do_layout): Record input sections in incremental info.
3782         * object.h (Object::output_section): New function.
3783         (Object::output_section_offset): Moved from Relobj.
3784         (Object::get_incremental_reloc_base): New function.
3785         (Object::get_incremental_reloc_count): New function.
3786         (Object::do_output_section): New function.
3787         (Object::do_output_section_offset): Moved from Relobj.
3788         (Object::do_get_incremental_reloc_base): New function.
3789         (Object::do_get_incremental_reloc_count): New function.
3790         (Object::Object): Initialize new data members.
3791         (Relobj::output_section): Renamed do_output_section and moved to
3792         protected.
3793         (Relobj::output_section_offset): Moved to Object.
3794         (Relobj::do_get_incremental_reloc_base): New function.
3795         (Relobj::do_get_incremental_reloc_count): New function.
3796         (Relobj::allocate_incremental_reloc_counts): New function.
3797         (Relobj::count_incremental_reloc): New function.
3798         (Relobj::finalize_incremental_relocs): New function.
3799         (Relobj::next_incremental_reloc_index): New function.
3800         (Relobj::reloc_counts_): New data member.
3801         (Relobj::reloc_bases_): New data member.
3802         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3803         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3804         (Sized_relobj::incremental_relocs_scan): New function.
3805         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3806         (Sized_relobj::incremental_relocs_write): New function.
3807         (Sized_relobj::incremental_relocs_write_reltype): New function.
3808         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3809         incremental link.
3810         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3811         archives and object files elsewhere.
3812         (Add_symbols::run): Report object files here.
3813         (Finish_group::run): Report end of archive at end of group.
3814         * reloc.cc: Include layout.h, incremental.h.
3815         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3816         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3817         (Sized_relobj::incremental_relocs_scan): New function.
3818         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3819         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3820         (Sized_relobj::incremental_relocs_write): New function.
3821         (Sized_relobj::incremental_relocs_write_reltype): New function.
3822         * script.cc (read_input_script): Rewrite test for incremental link.
3823         Change call to Incremental_inputs::report_script.
3824         * symtab.h (Symbol_table::first_global_index): New function.
3825         (Symbol_table::output_count): New function.
3826
3827 2010-08-12  Doug Kwan  <dougkwan@google.com>
3828
3829         * arm.cc (Target_arm::merge_object_attributes): Check command line
3830         options --no-wchar-size-warning and --no-enum-size-warning.
3831         * options.h (General_options): Add ld-compatible options
3832         --no-enum-size-warning and --no-wchar-size-warning.
3833
3834 2010-08-04  Ian Lance Taylor  <iant@google.com>
3835
3836         * x86_64.cc (Target_x86_64::Scan::local): Use
3837         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3838         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3839         (Target_x86_64::Scan::global): Likewise.
3840         (Target_x86_64::Relocate::relocate): Likewise.
3841         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3842         Likewise.
3843
3844 2010-08-03  Cary Coutant  <ccoutant@google.com>
3845
3846         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3847         to reserve space in merged_strings vector. Keep total input size
3848         for stats.
3849         (Output_merge_string::do_print_merge_stats): Print total input size.
3850         * merge.h (Output_merge_string): Add input_size_ field.
3851         * stringpool.cc (Stringpool_template::string_length): Move
3852         implementations out of Stringpool_template class and place in
3853         stringpool.h.
3854         * stringpool.h (string_length): Move out of Stringpool_template.
3855
3856 2010-08-03  Ian Lance Taylor  <iant@google.com>
3857
3858         PR 11712
3859         * layout.cc (relaxation_loop_body): If address of load segment is
3860         set, adjust address to include headers if possible.
3861
3862 2010-08-03  Ian Lance Taylor  <iant@google.com>
3863
3864         * version.cc (version_string): Bump to 1.10.
3865
3866 2010-08-03  Ian Lance Taylor  <iant@google.com>
3867
3868         PR 11805
3869         * layout.h (enum Output_section_order): Define.
3870         (class Layout): Update declarations.
3871         * layout.cc (Layout::get_output_section): Add order parameter.
3872         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3873         is_first_non_relro parameters.  Change all callers.
3874         (Layout::choose_output_section): Likewise.
3875         (Layout::add_output_section_data): Likewise.
3876         (Layout::make_output_section): Likewise.  Set order.
3877         (Layout::default_section_order): New function.
3878         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3879         * output.cc (Output_section::Output_section): Initialize order_.
3880         Don't initialize deleted fields.
3881         (Output_segment::Output_segment): Don't initialize deleted
3882         fields.
3883         (Output_segment::add_output_section_to_load): New function
3884         replacing add_output_section.  Change all callers to call this or
3885         add_output_section_to_nonload.
3886         (Output_segment::add_output_section_to_nonload): New function.
3887         (Output_segment::remove_output_section): Rewrite.
3888         (Output_segment::add_initial_output_data): Likewise.
3889         (Output_segment::has_any_data_sections): Likewise.
3890         (Output_segment::is_first_section_relro): Likewise.
3891         (Output_segment::maximum_alignment): Likewise.
3892         (Output_segment::has_dynamic_reloc): New function replacing
3893         dynamic_reloc_count.  Change all callers.
3894         (Output_segment::has_dynamic_reloc_list): New function replacing
3895         dynamic_reloc_count_list.  Change all callers.
3896         (Output_segment::set_section_addresses): Rewrite.
3897         (Output_segment::set_offset): Rewrite.
3898         (Output_segment::find_first_and_last_list): Remove.
3899         (Output_segment::set_tls_offsets): Rewrite.
3900         (Output_segment::first_section_load_address): Likewise.
3901         (Output_segment::output_section_count): Likewise.
3902         (Output_segment::section_with_lowest_load_address): Likewise.
3903         (Output_segment::write_section_headers): Likewise.
3904         (Output_segment::print_sections_to_map): Likewise.
3905         * output.h (class Output_data): Remove dynamic_reloc_count_
3906         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3907         (Output_data::add_dynamic_reloc): Rewrite.
3908         (Output_data::has_dynamic_reloc): New function.
3909         (Output_data::dynamic_reloc_count): Remove.
3910         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3911         is_last_relro_, is_first_non_relro_, is_interp_,
3912         is_dynamic_linker_section_ fields.  Add order and set_order
3913         functions.  Remove is_relro_local, set_is_relro_local,
3914         is_last_relro, set_is_last_relro, is_first_non_relro,
3915         set_is_first_non_relro functions, is_interp, set_is_interp,
3916         is_dynamic_linker_section, and set_is_dynamic_linker_section
3917         functions.
3918         (class Output_segment): Change Output_data_list from std::list to
3919         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3920         output_bss_ fields.  Update declarations.
3921
3922 2010-08-02  Ian Lance Taylor  <iant@google.com>
3923
3924         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3925         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3926         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3927
3928 2010-08-02  Ian Lance Taylor  <iant@google.com>
3929
3930         PR 11855
3931         * script.cc (Script_options::Script_options): Initialize
3932         symbol_definitions_ and symbol_references_.
3933         (Script_options::add_symbol_assignment): Update
3934         symbol_definitions_ and symbol_references_.
3935         (Script_options::add_symbol_reference): New function.
3936         (script_symbol): New function.
3937         * script.h (class Script_options): Add symbol_definitions_ and
3938         symbol_references_ fields.
3939         (Script_options::referenced_const_iterator): New type.
3940         (Script_options::referenced_begin): New function.
3941         (Script_options::referenced_end): New function.
3942         (Script_options::is_referenced): New function.
3943         (Script_options::any_unreferenced): New function.
3944         * script-c.h (script_symbol): Declare.
3945         * yyscript.y (exp): Call script_symbol.
3946         * symtab.cc: Include "script.h".
3947         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3948         Change all callers.  Check symbols referenced by scripts.
3949         (Symbol_table::add_undefined_symbols_from_command_line): Add
3950         layout parameter.  Change all callers.
3951         (Symbol_table::do_add_undefined_symbols_from_command_line):
3952         Likewise.  Break out loop body.  Check symbols referenced by
3953         scripts.
3954         (Symbol_table::add_undefined_symbol_from_command_line): New
3955         function broken out of
3956         do_add_undefined_symbols_from_command_line.
3957         * symtab.h (class Symbol_table): Update declarations.
3958         * archive.cc: Include "layout.h".
3959         (Archive::should_include_member): Add layout parameter.  Change
3960         all callers.  Check for symbol mentioned in expression.
3961         * archive.h (class Archive): Update declaration.
3962         * object.cc (Sized_relobj::do_should_include_member): Add layout
3963         parameter.
3964         * object.h (Object::should_include_member): Add layout parameter.
3965         Change all callers.
3966         (Object::do_should_include_member): Add layout parameter.
3967         (class Sized_relobj): Update declaration.
3968         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3969         parameter.
3970         * dynobj.h (class Sized_dynobj): Update declaration.
3971         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3972         layout parameter.
3973         * plugin.h (class Sized_pluginobj): Update declaration.
3974
3975 2010-08-02  Ian Lance Taylor  <iant@google.com>
3976
3977         PR 11866
3978         * output.cc (Output_segment::set_offset): Search for the first and
3979         last sections rather than assuming that the list is in order.
3980         (Output_segment::find_first_and_last_list): New function.
3981         * output.h (class Output_segment): Update declarations.
3982         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3983         (relro_strip_test_SOURCES): New variable.
3984         (relro_strip_test_DEPENDENCIES): New variable.
3985         (relro_strip_test_LDFLAGS): New variable.
3986         (relro_strip_test_LDADD): New variable.
3987         (relro_strip_test.so): New target.
3988
3989 2010-08-02  Ian Lance Taylor  <iant@google.com>
3990
3991         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3992         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3993         (Target_i386::got_tlsdesc_section): New function.
3994         (Target_i386::got_section): Create space for GOT entries for
3995         TLSDESC relocations.
3996         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3997         R_386_TLS_GOTDESC.
3998         (Target_i386::Scan::global): Likewise.
3999         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4000         using TLSDESC GOT.
4001         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4002         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4003         (Target_x86_64::got_tlsdesc_section): New function.
4004         (Target_x86_64::got_section): Create space for GOT entries for
4005         TLSDESC relocations.
4006         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4007         R_386_TLS_GOTDESC.
4008         (Target_x86_64::Scan::global): Likewise.
4009         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4010         using TLSDESC GOT.
4011
4012 2010-08-02  Ian Lance Taylor  <iant@google.com>
4013
4014         * testsuite/final_layout.sh: Use dc to convert from hex to
4015         decimal.
4016
4017 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4018
4019         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4020         paramter to the call to gold::gc_process_relocs.
4021         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4022         paramter to the call to gold::gc_process_relocs.
4023         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4024         parameter to the call to gold::gc_process_relocs.
4025         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4026         template parameter to the call to gold::gc_process_relocs.
4027         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4028         paramter to the call to gold::gc_process_relocs.
4029         * gc.h (get_embedded_addend_size): New function.
4030         (gc_process_relocs): Save the size of the reloc for use by ICF.
4031         * icf.cc (get_section_contents): Get the addend from the text section
4032         for SHT_REL relocation sections.
4033         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4034         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4035         * int_encoding.h (read_from_pointer): New overloaded function.
4036         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4037         * testsuite/icf_sht_rel_addend_test.sh: New file.
4038         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4039         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4040
4041 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4042
4043         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4044         * Makefile.in: Regenerate.
4045         * testsuite/Makefile.in: Regenerate.
4046
4047 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4048
4049         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4050         * gold/testsuite/debug_msg.cc: Likewise.
4051         * gold/testsuite/odr_violation1.cc
4052         * gold/testsuite/odr_violation2.cc
4053
4054 2010-07-21  Cary Coutant  <ccoutant@google.com>
4055
4056         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4057         string, and length fields.
4058         (Output_merge_string::Merged_strings_list): New type.
4059         (Output_merge_string::Merged_strings_lists): New typedef.
4060         (Output_merge_string): Replace merged_strings_ with
4061         merged_strings_lists_.
4062         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4063         Merged_strings_list per input object and section.  Don't store pointer
4064         to the string.  Don't store length with each merged string entry.
4065         (Output_merge_string::finalize_merged_data): Loop over list of merged
4066         strings lists.  Recompute length of each merged string.
4067
4068 2010-07-15  Cary Coutant  <ccoutant@google.com>
4069
4070         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4071         here.
4072
4073 2010-07-14  Ian Lance Taylor  <iant@google.com>
4074
4075         * descriptors.cc (Descriptors::open): Report correct name in error
4076         message.
4077
4078 2010-07-13  Doug Kwan  <dougkwan@google.com>
4079
4080         * arm.cc (Arm_input_section::Arm_input_section): For a
4081         SHT_ARM_EXIDX section, always keeps the input sections.
4082         (Arm_input_section::set_exidx_section_link): New method.
4083         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4084         has_errors_ to false.
4085         (Arm_exidx_input_section::has_errors,
4086         Arm_exidx_input_section::set_has_errors): New methods.
4087         (Arm_exidx_input_section::has_errors_): New data member.
4088         (Arm_relobj::get_exidx_shndx_list): New method.
4089         (Arm_output_section::append_text_sections_to_list): Do not skip
4090         section without SHF_EXECINSTR.
4091         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4092         errors.
4093         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4094         section header.  Make error messages more verbose.  Check for
4095         a non-executable section linked to an EXIDX section.
4096         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4097         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4098         check that there is no deferred EXIDX section if we exit early.
4099         Instead of not making an EXIDX section in case of an error, make one
4100         and set the has_errors flag of it.
4101         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4102         in a relocatable link.
4103         (Target_arm::do_relax): Look for the EXIDX output section instead of
4104         assuming that it is called .ARM.exidx.
4105         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4106         section list.  Do not check for SHF_EXECINSTR section flags but
4107         skip any input section with errors.
4108         * output.cc (Output_section::Output_section): Initialize
4109         always_keeps_input_sections_ to false.
4110         (Output_section::add_input_section): Check for
4111         always_keeps_input_sections_.
4112         *  output.h (Output_section::always_keeps_input_sections,
4113         Output_section::set_always_keeps_input_sections): New methods.
4114         (Output_section::always_keeps_input_sections): New data member.
4115
4116 2010-07-13  Rafael Espindola  <espindola@google.com>
4117
4118         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4119         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4120
4121 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4122             Ian Lance Taylor  <iant@google.com>
4123
4124         * output.h (Output_section_lookup_maps::add_merge_section):
4125         Correct check of whether value was inserted.
4126         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4127         (Output_section_lookup_maps::add_relaxed_input_section):
4128         Likewise.
4129         * arm.cc (Target_arm::got_section): Remove used local os.
4130         * i386.cc (Target_i386::got_section): Likewise.
4131         * x86_64.cc (Target_x86_64::got_section): Likewise.
4132         * sparc.cc (Target_sparc::got_section): Likewise.
4133         (Target_sparc::relocate): Remove unused local have_got_offset.
4134         * powerpc.cc (Target_powerpc::relocate): Likewise.
4135
4136 2010-07-13  Ian Lance Taylor  <iant@google.com>
4137
4138         * compressed_output.cc (zlib_decompress): Fix signature in
4139         !HAVE_ZLIB_H case.
4140
4141         * archive.cc (Archive::include_member): Unlock an external member
4142         of a thin archive.  Don't bother to delete an object we know is
4143         NULL.
4144
4145 2010-07-12  Cary Coutant  <ccoutant@google.com>
4146
4147         * compressed_output.cc (zlib_decompress): New function.
4148         (get_uncompressed_size): New function.
4149         (decompress_input_section): New function.
4150         * compressed_output.h (get_uncompressed_size): New function.
4151         (decompress_input_section): New function.
4152         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4153         Handle compressed debug sections.
4154         * layout.cc (is_compressed_debug_section): New function.
4155         (Layout::output_section_name): Map compressed section names to
4156         canonical names.
4157         * layout.h (is_compressed_debug_section): New function.
4158         (is_debug_info_section): Recognize compressed debug sections.
4159         * merge.cc: Include compressed_output.h.
4160         (Output_merge_data::do_add_input_section): Handle compressed
4161         debug sections.
4162         (Output_merge_string::do_add_input_section): Handle compressed
4163         debug sections.
4164         * object.cc: Include compressed_output.h.
4165         (Sized_relobj::Sized_relobj): Initialize new data members.
4166         (build_compressed_section_map): New function.
4167         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4168         * object.h (Object::section_is_compressed): New method.
4169         (Object::do_section_is_compressed): New method.
4170         (Sized_relobj::Compressed_section_map): New type.
4171         (Sized_relobj::do_section_is_compressed): New method.
4172         (Sized_relobj::compressed_sections_): New data member.
4173         * output.cc (Output_section::add_input_section): Handle compressed
4174         debug sections.
4175         * reloc.cc: Include compressed_output.h.
4176         (Sized_relobj::write_sections): Handle compressed debug sections.
4177
4178 2010-07-08  Cary Coutant  <ccoutant@google.com>
4179
4180         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4181         weak when resolving to a dynamic def.
4182         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4183         for weak undef/dynamic def cases. Adjust callers.
4184         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4185         undef_binding_weak_.
4186         (Symbol_table::sized_write_globals): Adjust symbol binding.
4187         (Symbol_table::sized_write_symbol): Add binding parameter.
4188         * symtab.h (Symbol::set_undef_binding): New method.
4189         (Symbol::is_undef_binding_weak): New method.
4190         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4191         (Symbol_table::should_override): Add new parameter.
4192         (Symbol_table::sized_write_symbol): Add new parameter.
4193
4194         * testsuite/weak_undef_file1.cc: Add new test case.
4195         * testsuite/weak_undef_file2.cc: Fix header comment.
4196         * testsuite/weak_undef_test.cc: Add new test case.
4197
4198 2010-06-29  Doug Kwan  <dougkwan@google.com>
4199
4200         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4201         Initialize USE_SYMBOL_.
4202         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4203         definition.
4204         (Arm_reloc_property::uses_symbol_): New data member declaration.
4205         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4206         uses symbol value and symbol is undefined but not weakly undefined.
4207
4208 2010-06-28  Rafael Espindola  <espindola@google.com>
4209
4210         * plugin.cc (Plugin::load): Use dlerror.
4211
4212 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4213
4214         * symtab.cc (detect_odr_violations): When reporting an ODR
4215         violation, report an object where the symbol is defined.
4216
4217 2010-06-25  Doug Kwan  <dougkwan@google.com>
4218
4219         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4220         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4221         definition.
4222         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4223         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4224         target hook to detect function points.
4225         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4226         * icf.h (Icf::check_section_for_function_pointers): Change type of
4227         parameter SECTION_NAME to const reference to std::string.  Use
4228         target hook to determine if section may have unsafe pointers.
4229         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4230         method definition.
4231
4232 2010-06-21  Rafael Espindola  <espindola@google.com>
4233
4234         * fileread.cc (Input_file::find_fie): New
4235         (Input_file::open): Use Input_file::find_fie.
4236         * fileread.h (Input_file::find_fie): New
4237         * plugin.cc (set_extra_library_path): New.
4238         (Plugin::load): Add set_extra_library_path to the transfer vector.
4239         (Plugin_manager::set_extra_library_path): New.
4240         (Plugin_manager::add_input_file): Use the extra search path if set.
4241         (set_extra_library_path(): New.
4242         * plugin.h (Plugin_manager): Add set_extra_library_path and
4243         extra_search_path_.
4244
4245 2010-06-19  Cary Coutant  <ccoutant@google.com>
4246
4247         * layout.cc (gdb_sections): Add .debug_types.
4248         (lines_only_debug_sections): Likewise.
4249
4250 2010-06-18  Rafael Espindola  <espindola@google.com>
4251
4252         * plugin.cc (add_input_file,add_input_library)
4253         (Plugin_manager::add_input_file): Make filename arguments const.
4254         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4255         const.
4256
4257 2010-06-16  Doug Kwan  <dougkwan@google.com>
4258
4259         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4260         .ARM.attributes section if we have not merged any input
4261         attributes sections.
4262
4263 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4264
4265         * arm.cc: Allow combining objects with no EABI version
4266         information.
4267
4268 2010-06-15  Rafael Espindola  <espindola@google.com>
4269
4270         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4271
4272 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4273
4274         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4275         (struct iovec): Correct !HAVE_READV definition.
4276
4277 2010-06-10  Cary Coutant  <ccoutant@google.com>
4278
4279         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4280         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4281         reloc sections.
4282         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4283
4284         PR 11683
4285         * symtab.h (Symbol::is_placeholder): New member function.
4286         * target-reloc.h (relocate_section): Check for placeholder symbols.
4287
4288         * testsuite/Makefile.am (plugin_test_8): New test.
4289         (plugin_test_9): New test.
4290         * testsuite/Makefile.in: Regenerate.
4291
4292 2010-06-09  Nick Clifton  <nickc@redhat.com>
4293
4294         * yyscript.y (input_list_element): Allow strings prefixed with
4295         the '-' character.  Treat these as libraries.
4296         * script.cc (script_add_library): New function.  Adds a library
4297         specified by "-l<name>" found in an input script.
4298         * script-c.h: Add prototype for script_add_library.
4299
4300 2010-06-07  Doug Kwan  <dougkwan@google.com>
4301
4302         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4303         Restrict stub-group size to be within long conditional branch
4304         range when working around cortex-A8 erratum.
4305
4306 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4307
4308         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4309         #ifdef typo.
4310
4311 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4312
4313         PR gold/11658
4314         * output.cc
4315         (Output_section::Input_section_sort_entry::compare_section_ordering):
4316         Change to return non-zero correctly.
4317         (Output_section::Input_section_sort_section_order_index_compare
4318         ::operator()): Change to fix ambiguity in comparisons.
4319
4320 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4321
4322         * gold.h (is_wildcard_string): New function.
4323         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4324         (Layout::layout_eh_frame): Ditto.
4325         (Layout::find_section_order_index): New method.
4326         (Layout::read_layout_from_file): New method.
4327         * layout.h (Layout::find_section_order_index): New method.
4328         (Layout::read_layout_from_file): New method.
4329         (Layout::input_section_position_): New private member.
4330         (Layout::input_section_glob_): New private member.
4331         * main.cc (main): Call read_layout_from_file here.
4332         * options.h (--section-ordering-file): New option.
4333         * output.cc (Output_section::input_section_order_specified_): New
4334         member.
4335         (Output_section::Output_section): Initialize new member.
4336         (Output_section::add_input_section): Add new parameter.
4337         Keep input sections when --section-ordering-file is used.
4338         (Output_section::set_final_data_size): Sort input sections when
4339         section ordering file is specified.
4340         (Output_section::Input_section_sort_entry): Add new parameter.
4341         Check sorting type.
4342         (Output_section::Input_section_sort_entry::compare_section_ordering):
4343         New method.
4344         (Output_section::Input_section_sort_compare::operator()): Change to
4345         consider section_order_index.
4346         (Output_section::Input_section_sort_init_fini_compare::operator()):
4347         Change to consider section_order_index.
4348         (Output_section::Input_section_sort_section_order_index_compare
4349         ::operator()): New method.
4350         (Output_section::sort_attached_input_sections): Change to sort
4351         according to section order when specified.
4352         (Output_section::add_input_section<32, true>): Add new parameter.
4353         (Output_section::add_input_section<64, true>): Add new parameter.
4354         (Output_section::add_input_section<32, false>): Add new parameter.
4355         (Output_section::add_input_section<64, false>): Add new parameter.
4356         * output.h (Output_section::add_input_section): Add new parameter.
4357         (Output_section::input_section_order_specified): New
4358         method.
4359         (Output_section::set_input_section_order_specified): New method.
4360         (Input_section::Input_section): Initialize section_order_index_.
4361         (Input_section::section_order_index): New method.
4362         (Input_section::set_section_order_index): New method.
4363         (Input_section::section_order_index_): New member.
4364         (Input_section::Input_section_sort_section_order_index_compare): New
4365         struct.
4366         (Output_section::input_section_order_specified_): New member.
4367         * script-sections.cc (is_wildcard_string): Delete and move modified
4368         method to gold.h.
4369         (Output_section_element_input::Output_section_element_input): Modify
4370         call to is_wildcard_string.
4371         (Output_section_element_input::Input_section_pattern
4372         ::Input_section_pattern): Ditto.
4373         (Output_section_element_input::Output_section_element_input): Ditto.
4374         * testsuite/Makefile.am (final_layout): New test case.
4375         * testsuite/Makefile.in: Regenerate.
4376         * testsuite/final_layout.cc: New file.
4377         * testsuite/final_layout.sh: New file.
4378
4379 2010-06-01  Rafael Espindola  <espindola@google.com>
4380
4381         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4382
4383 2010-06-01  Rafael Espindola  <espindola@google.com>
4384
4385         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4386         visibility of symbols.
4387
4388 2010-05-27  Doug Kwan  <dougkwan@google.com>
4389
4390         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4391         from start of output section instead of address for a local symbol
4392         in a merged or relaxed section when doing a relocatable link.
4393
4394 2010-05-26  Rafael Espindola  <espindola@google.com>
4395
4396        PR 11604
4397         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4398         adding sections the garbage collector removed.
4399         * gold/testsuite/Makefile.am: Add test.
4400         * gold/testsuite/Makefile.in: Regenerate.
4401         * gold/testsuite/plugin_test_7.sh: New.
4402         * gold/testsuite/plugin_test_7_1.c: New.
4403         * gold/testsuite/plugin_test_7_2.c: New.
4404
4405 2010-05-26  Rafael Espindola  <espindola@google.com>
4406
4407         * script-sections.cc (Output_section_definition::set_section_addresses):
4408         Check for --section-start.
4409
4410 2010-05-26  Doug Kwan  <dougkwan@google.com>
4411
4412         * arm.cc (Arm_scan_relocatable_relocs): New class.
4413         (Target_arm::relocate_special_relocatable): New method.
4414         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4415         (Arm_relocate_functions::thumb_branch_common): Same.
4416         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4417         instead of Default_scan_relocatable_relocs.
4418         * target-reloc.h (relocate_for_relocatable): Let target handle
4419         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4420         * target.h (Sized_target::relocate_special_relocatable): New method.
4421
4422 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4423
4424         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4425
4426 2010-05-23  Doug Kwan  <dougkwan@google.com>
4427
4428         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4429         instead of a cast.
4430         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4431         with a direct branch, not a conditional branch, to a stub.
4432         * merge.cc (Output_merge_base::record_input_section): New method
4433         defintion.
4434         (Output_merge_data::do_add_input_section): Record input section if
4435         keeps-input-sections flag is set.
4436         (Output_merge_string::do_add_input_section): Ditto.
4437         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4438         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4439         INPUT_SECTIONS_.
4440         (Output_merge_base::keeps_input_sections,
4441         Output_merge_base::set_keeps_input_sections,
4442         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4443         method definitions.
4444         (Output_merge_base::Input_sections): New type declaration.
4445         (Output_merge_base::input_sections_begin,
4446         Output_merge_base::input_sections_end,
4447         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4448         (Output_merge_base::bool keeps_input_sections_,
4449         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4450         Output_merge_base::input_sections_): New data members.
4451         (Output_merge_data::do_set_keeps_input_sections): New method
4452         defintion.
4453         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4454         * output.cc (Output_section::Input_section::relobj): Move method
4455         defintion from class declaration to here and handle merge sections.
4456         (Output_section::Input_section::shndx): Ditto.
4457         (Output_section::Output_section): Remove initializations of removed
4458         data members and initialize new data member LOOKUP_MAPS_.
4459         (Output_section::add_input_section): Set keeps-input-sections flag
4460         for a newly created merge output section as appropriate.  Adjust code
4461         to use Output_section_lookup_maps class.
4462         (Output_section::add_relaxed_input_section): Adjst code for lookup
4463         maps code refactoring.
4464         (Output_section::add_merge_input_section): Add a new parameter
4465         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4466         class.  If adding input section to a newly created merge output
4467         section fails, remove the new merge section.
4468         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4469         Adjust code for use of the Output_section_lookup_maps class.
4470         (Output_section::find_merge_section): Ditto.
4471         (Output_section::build_lookup_maps): New method defintion.
4472         (Output_section::find_relaxed_input_section): Adjust code to use
4473         Output_section_lookup_maps class.
4474         (Output_section::get_input_sections): Export merge sections.  Adjust
4475         code to use Output_section_lookup_maps class.
4476         (Output_section:::add_script_input_section): Adjust code to use
4477         Output_section_lookup_maps class.  Update lookup maps for merge
4478         sections also.
4479         (Output_section::discard_states): Use Output_section_lookup_maps.
4480         (Output_section::restore_states): Same.
4481         * output.h (Merge_section_properties): Move class defintion out of
4482         Output_section.
4483         (Output_section_lookup_maps): New class.
4484         (Output_section::Input_section::is_merge_section): New method
4485         defintion.
4486         (Output_section::Input_section::relobj): Move defintion out of class
4487         defintion.  Declare method only.
4488         (Output_section::Input_section::shndx): Ditto.
4489         (Output_section::Input_section::output_merge_base): New method defintion.
4490         (Output_section::Input_section::u2_.pomb): New union field.
4491         (Output_section::Merge_section_by_properties_map,
4492         Output_section::Output_section_data_by_input_section_map,
4493         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4494         Remove types.
4495         (Output_section::add_merge_input_section): Add new parameter
4496         KEEPS_INPUT_SECTIONS.
4497         (Output_section::build_lookup_maps): New method declaration.
4498         (Output_section::merge_section_map_,
4499         Output_section::merge_section_by_properties_map_,
4500         Output_section::relaxed_input_section_map_,
4501         Output_section::is_relaxed_input_section_map_valid_): Remove data
4502         members.
4503         (Output_section::lookup_maps_): New data member.
4504
4505 2010-05-21  Doug Kwan  <dougkwan@google.com>
4506
4507         PR gold/11619
4508         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4509         avoid a compilation error.
4510
4511 2010-05-19  Rafael Espindola  <espindola@google.com>
4512
4513         * script-sections.cc (Output_section_definition::allocate_to_segment):
4514         Update the phdrs_list even when the output section is NULL.
4515         * testsuite/Makefile.am: Add test.
4516         * testsuite/Makefile.in: Regenerate.
4517         * testsuite/script_test_9.cc: New.
4518         * testsuite/script_test_9.sh: New.
4519         * testsuite/script_test_9.t: New.
4520
4521 2010-05-19  Doug Kwan  <dougkwan@google.com>
4522
4523         * arm.cc (Arm_input_section::original_size): New method.
4524         (Arm_input_section::do_addralign): Add a cast.
4525         (Arm_input_section::do_output_offset): Remove static cast.
4526         (Arm_input_section::original_addralign,
4527          Arm_input_section::original_size_): Change type to uint32_t.
4528         (Arm_input_section::init): Add safe casts for section alignment
4529         and size.
4530         (Arm_input_section::set_final_data_size): Do not set address and
4531         offset of stub table.
4532         (Arm_output_section::fix_exidx_coverage): Change use of of
4533         Output_section::Simple_input_section to that of
4534         Output_section::Input_section.
4535         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4536         except for the first pass.
4537         * output.cc (Output_section::get_input_sections): Change type of
4538         input_sections to std::list<Input_section>.
4539         (Output_section::add_script_input_section): Rename from
4540         Output_section::add_simple_input_section.  Change type of SIS
4541         parameter from Simple_input_section to Input_section.
4542         * output.h (Output_section::Simple_input_section): Remove class.
4543         (Output_section::Input_section): Change class visibility to public.
4544         (Output_section::Input_section::addralign): Use stored alignments
4545         for special input sections if set.
4546         (Output_section::Input_section::set_addralign): New method.
4547         (Output_section::get_input_sections): Change parameter type from
4548         list of Simple_input_section to list of Input_section.
4549         (Output_section::add_script_input_section): Rename from
4550         Output_section::add_simple_input_section. Change first parameter's
4551         type from Simple_input_section to Input_section and remove the
4552         second and third parameters.
4553         * script-sections.cc (Input_section::Input_section_list): Change
4554         type to list of Output_section::Input_section/
4555         (Input_section_info::Input_section_info): Change parameter type of
4556         INPUT_SECTION to Output_section::Input_section.
4557         (Input_section_info::input_section): Change return type.
4558         (Input_section_info::input_section_): Change type to
4559         Output_section::Input_section.
4560         (Output_section_element_input::set_section_addresses): Adjust code
4561         to use Output_section::Input_section instead of
4562         Output_section::Simple_input_section.  Adjust code for renaming
4563         of Output_section::add_simple_input_section.
4564         (Orphan_output_section::set_section_addresses): Ditto.
4565
4566 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4567
4568         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4569         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4570
4571 2010-05-18  Rafael Espindola  <espindola@google.com>
4572
4573         * options.cc (General_options::finalize): Handle -nostdlib.
4574         * options.h (nostdlib): New option.
4575         * script.cc (script_add_search_dir): Handle -nostdlib.
4576
4577 2010-05-12  Doug Kwan  <dougkwan@google.com>
4578
4579         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4580         attributes section only if there no attributes section after merging.
4581         (Target_arm::merge_object_attributes): Move value of
4582         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4583         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4584         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4585         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4586         and arm_attr_merge_7.stdout.
4587         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4588         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4589         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4590         arm_attr_merge_7b.o): New rules.
4591         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4592         arm_attr_merge_7
4593         * testsuite/Makefile.in: Regenerate.
4594         * testsuite/arm_attr_merge.sh: New file.
4595         * testsuite/arm_attr_merge_[67][ab].s: Same.
4596
4597 2010-05-05  Nick Clifton  <nickc@redhat.com>
4598
4599         * po/es.po: Updated Spanish translation.
4600
4601 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4602
4603         * Makefile.am (install-exec-local): Properly install gold as
4604         default cross linker.
4605         * Makefile.in: Regenerated.
4606
4607 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4608             Nick Clifton  <nickc@redhat.com>
4609
4610         * configure.ac (install_as_default): Define and set to false
4611         unless --enable-gold or --enable-gold=both/gold has been
4612         specified.
4613         * configure: Regenerate.
4614
4615         * Makefile.am (install-exec-local): Install the executable as
4616         'ld.gold'.  If install_as_default is true then also install it as
4617         'ld'.
4618         * Makefile.in: Regenerated.
4619
4620 2010-04-24  Ian Lance Taylor  <iant@google.com>
4621
4622         * layout.cc (Layout::layout_reloc): In relocatable link don't
4623         combine reloc sections for grouped sections.
4624
4625 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4626
4627         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4628         sections that are not ordinary to icf.
4629         * icf.cc (get_section_contents): Handle relocation pointing to section
4630         with no object or shndx information.
4631         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4632         * testsuite/Makefile.in: Regenerate.
4633         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4634         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4635
4636 2010-04-22  Ian Lance Taylor  <iant@google.com>
4637
4638         * expression.cc (Expression::Expression_eval_info): Add
4639         result_alignment_pointer field.
4640         (Expression::eval_with_dot): Add result_alignment_pointer
4641         parameter.  Change all callers.
4642         (Expression::eval_maybe_dot): Likewise.
4643         (class Binary_expression): Add alignment_pointer parameter to
4644         left_value and right_value.  Change all callers.
4645         (BINARY_EXPRESSION): Set result alignment.
4646         (class Trinary_expression): Add alignment_pointer parameter to
4647         arg2_value and arg3_value.  Change all callers.
4648         (Trinary_cond::value): Set result alignment.
4649         (Max_expression::value, Min_expression::value): Likewise.
4650         (Align_expression::value): Likewise.
4651         * script-sections.cc (class Sections_element): Add dot_alignment
4652         parameter to set_section_addresses virtual function.  Update
4653         instantiations.
4654         (class Output_section_element): Likewise.
4655         (Script_sections::create_segments): Add dot_alignment parameter.
4656         Change all callers.
4657         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4658         (Script_sections::set_phdrs_clause_addresses): Likewise.
4659         * script-sections.h: Update declarations.
4660         * script.h: Update declarations.
4661         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4662         min_p_align.
4663         * testsuite/script_test_3.t: Set large alignment.
4664         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4665         segment has expected alignment.
4666
4667 2010-04-22  Nick Clifton  <nickc@redhat.com>
4668
4669         * po/gold.pot: Updated by the Translation project.
4670         * po/vi.po: Updated Vietnamese translation.
4671
4672 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4673
4674         * testsuite/Makefile.am (check_PROGRAMS): Add
4675         icf_virtual_function_folding_test.
4676         * testsuite/Makefile.in: Regenerated.
4677
4678 2010-04-15  Andrew Haley  <aph@redhat.com>
4679
4680         * options.h (merge_exidx_entries): New option.
4681         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4682         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4683         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4684         (Target_arm::merge_exidx_entries): New function.
4685         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4686         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4687         to Arm_exidx_fixup constructor.
4688         Add new arg, merge_exidx_entries.
4689         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4690         Arm_output_section::fix_exidx_coverage.
4691
4692 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4693
4694         * icf.cc (get_section_contents): Check for preemptible functions.
4695         Ignore addend when appropriate.
4696         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4697         section folded.
4698         (add_from_relobj): Check for section folded.
4699         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4700         * symtab.h (should_add_dynsym_entry): Add new parameter.
4701         * target-reloc.h (scan_relocs): Check for section folded.
4702         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4703         Check reloc types for function pointers in shared objects.
4704         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4705         case.
4706         (icf_preemptible_functions_test): New test case.
4707         (icf_string_merge_test): New test case.
4708         * testsuite.Makefile.in: Regenerate.
4709         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4710         bar_glob.  Refactor code.
4711         * testsuite/icf_preemptible_functions_test.cc: New file.
4712         * testsuite/icf_preemptible_functions_test.sh: New file.
4713         * testsuite/icf_string_merge_test.cc: New file.
4714         * testsuite/icf_string_merge_test.sh: New file.
4715         * testsuite/icf_virtual_function_folding_test.cc: New file.
4716         * testsuite/icf_virtual_function_folding_test.sh: New file.
4717
4718 2010-04-14  Doug Kwan  <dougkwan@google.com>
4719
4720         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4721         for local symbol recounting if we remove a section due to ICF.
4722         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4723         there are no regular objects in input.
4724
4725 2010-04-13  Doug Kwan  <dougkwan@google.com>
4726
4727         * arm.cc (Arm_input_section::set_final_data_size): Compute
4728         accurate final data size instead of using current data size.
4729
4730 2010-04-09  Doug Kwan  <dougkwan@google.com>
4731
4732         * layout.cc (Layout::choose_output_section): Handle script section
4733         types.
4734         (Layout::make_output_section_for_script): Add section type parameter.
4735         Handle script section types.
4736         * layout.h (Layout::make_output_section_for_script): Add section
4737         type parameter.
4738         * output.cc (Output_section::Output_section): Initialize data member
4739         is_noload_.
4740         (Output_section::do_reset_address_and_file_offset): Do not set address
4741         to 0 if section is a NOLOAD section.
4742         * output.h (Output_section::is_noload): New method.
4743         (Output_section::set_is_noload): Ditto.
4744         (Output_section::is_noload_): New data member.
4745         * script-c.h (Script_section_type): New enum type.
4746         (struct Parser_output_section_header): Add new file section_type.
4747         * script-sections.cc (Sections_element::output_section_name): Add
4748         parameter for returning script section type.
4749         (Output_section_definition::output_section_name): Ditto.
4750         (Output_section_definition::section_type)P; New method.
4751         (Output_section_definiton::script_section_type_name): Ditto.
4752         (Output_section_definition::script_section_type_): New data member.
4753         (Output_section_definition::Output_section_definition): Initialize
4754         data member Output_section_definition::script_section_type_.
4755         (Output_section_definition::create_sections): Pass script section type
4756         to Layout::make_output_section_for_script.
4757         (Output_section_definition::output_section_name): Return script
4758         section type to caller.
4759         (Output_section_definition::set_section_address): Do not advance
4760         dot value and load address if section type is NOLOAD.  Set address
4761         of NOLOAD sections regardless of section flags.
4762         (Output_section_definition::print): Print section type if it is
4763         not SCRIPT_SECTION_TYPE_NONE.
4764         (Output_section_definition::section_type): New method.
4765         (Output_section_definition::script_section_type_name): Ditto.
4766         (Script_sections::output_section_name): Add new parameter
4767         PSECTION_TYPE for returning script section type.  Pass it to
4768         section elements.  Handle discard sections.
4769         (Sort_output_sections::operator()): Handle NOLOAD sections.
4770         * script-sections.h (Script_sections::Section_type): New enum type.
4771         (Script_sections::output_section_name): Add a new parameter for
4772         returning script section type.
4773         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4774         INFO and NOLOAD.
4775         * yyscript.y (union): Add new field SECTION_TYPE.
4776         (COPY, DSECT, INFO, NOLOAD): New tokens.
4777         (opt_address_and_section_type): Change type to output_section_header.
4778         (section_type): New non-terminal
4779         (section_header): Handle section type.
4780         (opt_address_and_section_type): Return section type value.
4781
4782 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4783
4784         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4785         * testsuite/plugin_common_test_2.c (foo): Likewise.
4786
4787 2010-04-08  Doug Kwan  <dougkwan@google.com>
4788
4789         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4790         Output_merge_data.
4791         * output.cc (Output_section::add_merge_input_section): Simplify
4792         code and return status of Output_merge_base::add_input_section.
4793         Update merge section map only if Output_merge_base::add_input_section
4794         returns true.
4795
4796 2010-04-07  Doug Kwan  <dougkwan@google.com>
4797
4798         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4799         if section is marked as containing instructions but has no mapping
4800         symbols.
4801         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4802         correct section index.
4803         (Arm_relobj::find_linked_text_section): Ditto.
4804
4805 2010-04-07  Cary Coutant  <ccoutant@google.com>
4806
4807         * archive.cc (include_member): Destroy Read_symbols_data object before
4808         releasing file.
4809         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4810         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4811         (Read_symbols_data::~Read_symbols_data) New destructor.
4812         (Section_relocs::Section_relocs) New constructor.
4813         (Section_relocs::~Section_relocs) New destructor.
4814         (Read_relocs_data::Read_relocs_data) New constructor.
4815         (Read_relocs_data::~Read_relocs_data) New destructor.
4816         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4817         pointers to NULL after deleting.
4818
4819 2010-04-07  Doug Kwan  <dougkwan@google.com>
4820
4821         * arm.cc: Replace "endianity" with "endianness" in comments.
4822         (Arm_exidx_cantunwind): Ditto.
4823         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4824         (Arm_relobj::merge_flags_and_attributes): New method.
4825         (Arm_relobj::merge_flags_and_attributes_): New data member.
4826         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4827         (Arm_relobj::scan_sections_for_stubs): Ditto.
4828         (Arm_relobj::do_read_symbols): Check to see if we really want to
4829         merge processor-specific flags and attributes.  Exit early if
4830         an object is empty except for section names and the undefined symbol.
4831         (Target_arm::do_finalize_sections): Move check for ELF format to
4832         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4833         attributes from a regular object only when we have determined that
4834         it is aapropriate.  Do not create an .ARM.attributes section in
4835         output if there is no regular input object.
4836         (Target_arm::merge_processor_specific_flags): Check
4837         --warn-mismatch before printing any error.
4838         (Target_arm::merge_object_attributes): Ditto.
4839         * gold.cc (queue_middle_tasks): Handle the case in which there is
4840         no regular object in input.
4841         * options.cc (General_options::parse_EB): New method.
4842         (General_options::parse_EL): Same.
4843         (General_options::General_options): Initialize endianness_.
4844         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4845         New options.
4846         (General_options::Endianness): New enum.
4847         (General_options::endianness): New method.
4848         (General_options::endianness_): New data member.
4849         * parameters.cc (Parameters::set_options): Check target endianness.
4850         (Parameters::set_target_once): Ditto.
4851         (Parameters::check_target_endianness): New method.
4852         (parameters_force_valid_target): If either -EL or -EB is specified,
4853         use it to define endianness of default target.
4854         * parameters.h (Parameters::check_target_endianness): New method
4855         declaration.
4856         * target.h (class Target): Change "endianity" to "endianness"
4857         in comments.
4858
4859 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4860
4861         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4862         * configure: Regenerate.
4863         * Makefile.in: Regenerate.
4864         * testsuite/Makefile.in: Regenerate.
4865
4866 2010-04-06  Cary Coutant  <ccoutant@google.com>
4867
4868         gcc PR lto/42757
4869         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4870         prevailing definitions of common symbols.
4871         * testsuite/plugin_test_6.sh: New test case.
4872         * testsuite/plugin_common_test_1.c: New test case.
4873         * testsuite/plugin_common_test_2.c: New test case.
4874         * testsuite/Makefile.am (plugin_test_6): New test case.
4875         * testsuite/Makefile.in: Regenerate.
4876
4877 2010-04-06  Nick Clifton  <nickc@redhat.com>
4878
4879         * po/vi.po: New Vietnamese translation.
4880
4881 2010-03-30  Doug Kwan  <dougkwan@google.com>
4882
4883         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4884
4885 2010-03-25  Doug Kwan  <dougkwan@google.com>
4886
4887         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4888         to avoid a conversion warning on a 32-bit host.
4889
4890 2010-03-24  Ian Lance Taylor  <iant@google.com>
4891
4892         * testsuite/script_test_3.t: Add a TLS segment.
4893         * testsuite/Makefile.am (check_PROGRAMS): Add
4894         tls_phdrs_script_test.
4895         (tls_phdrs_script_test_SOURCES): Define.
4896         (tls_phdrs_script_test_DEPENDENCIES): Define.
4897         (tls_phdrs_script_test_LDFLAGS): Define.
4898         (tls_phdrs_script_test_LDADD): Define.
4899         * testsuite/Makefile.in: Rebuild.
4900
4901 2010-03-23  Cary Coutant  <ccoutant@google.com>
4902
4903         * fileread.cc (find_or_make_view): Fix comment.
4904
4905 2010-03-23  Ian Lance Taylor  <iant@google.com>
4906
4907         * script-sections.cc (class Orphan_section_placement): Define
4908         PLACE_TLS and PLACE_TLS_BSS.
4909         (Orphan_section_placement::Orphan_section_placement): Initialize
4910         new places.
4911         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4912         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4913         (tls_script_test_SOURCES): Define.
4914         (tls_script_test_DEPENDENCIES): Define.
4915         (tls_script_test_LDFLAGS): Define.
4916         (tls_script_test_LDADD): Define.
4917         * testsuite/Makefile.in: Rebuild.
4918
4919 2010-03-22  Doug Kwan  <dougkwan@google.com>
4920
4921         * arm.cc (Arm_relocate_functions::abs8,
4922         Arm_relocate_functions::abs16): Use correct check for overflow
4923         specified in the ARM ELF specs.
4924         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4925         target of a BLX instruction specially.
4926         (Reloc_stub::stub_type_for_reloc): Ditto.
4927         (Relocate::relocate): Use symbolic names instead of numeric relocation
4928         codes to report error.
4929         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4930         workaround.
4931         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4932         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4933         thumb2_blx_out_of_range.stdout
4934         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4935         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4936         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4937         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4938         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4939         thumb2_blx_in_range, thumb2_blx_in_range.o,
4940         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4941         thumb2_blx_out_of_range.o): New rules.
4942         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4943         thumb2_blx_in_range and thumb2_blx_out_of_range.
4944         * testsuite/Makefile.in: Regenerate.
4945         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4946         * testsuite/thumb_blx_in_range.s: New file.
4947         * testsuite/thumb_blx_out_of_range.s: New file.
4948
4949 2010-03-22  Rafael Espindola  <espindola@google.com>
4950
4951         * archive.cc (Should_include): Move to archive.h.
4952         (should_include_member): Make it a member of Archive.
4953         (Lib_group): New.
4954         (Add_lib_group_symbols): New.
4955         * archive.h: Include options.h.
4956         (Archive_member): Moved from Archive.
4957         (Should_include): Moved from archive.cc.
4958         (Lib_group): New.
4959         (Add_lib_group_symbols): New.
4960         * dynobj.cc (do_should_include_member): New.
4961         * dynobj.h (do_should_include_member): New.
4962         * gold.cc (queue_initial_tasks): Update call to queue.
4963         * main.cc (main): Print lib group stats.
4964         * object.cc (do_should_include_member): New.
4965         * object.h: Include archive.h.
4966         (Object::should_include_member): New.
4967         (Object::do_should_include_member): New.
4968         (Sized_relobj::do_should_include_member): New.
4969         * options.cc (General_options::parse_start_lib): New.
4970         (General_options::parse_end_lib): New.
4971         (Input_arguments::add_file): Handle lib groups.
4972         (Input_arguments::start_group): Check we are not in a lib.
4973         (Input_arguments::start_lib): New.
4974         (Input_arguments::end_lib): New.
4975         * options.h (General_options): Add start_lib and end_lib.
4976         (Input_argument::lib_): New.
4977         (Input_argument::lib): New.
4978         (Input_argument::is_lib): New.
4979         (Input_file_lib): New.
4980         (Input_arguments::in_lib_): New.
4981         (Input_arguments::in_lib): New.
4982         (Input_arguments::start_lib): New.
4983         (Input_arguments::end_lib_): New.
4984         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4985         in unused members as preempted.
4986         (Sized_pluginobj::do_should_include_member): New.
4987         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4988         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4989         return the blocker.
4990         (Read_symbols::do_whole_lib_group): New.
4991         (Read_symbols::do_lib_group): New.
4992         (Read_symbols::do_read_symbols): Handle lib groups.
4993         (Read_symbols::get_name): Handle lib groups.
4994         * readsyms.h (Read_symbols): Add an archive member pointer.
4995         (Read_symbols::do_whole_lib_group): New.
4996         (Read_symbols::do_lib_group): New.
4997         (Read_symbols::member_): New.
4998         * script.cc (read_input_script): Update call to queue_soon.
4999
5000 2010-03-19  Doug Kwan  <dougkwan@google.com>
5001
5002         * arm.cc (Stub_table::Stub_table): Initialize new data members
5003         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5004         (Stub_table::add_reloc_stub): Assign stub offset and update
5005         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5006         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5007         New data members.
5008         (Stub_table::update_data_size_and_addralign): Use
5009         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5010         instead of going over all reloc stubs.
5011         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5012         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5013         Stringpool_template::offset_ to size of Stringpool_char.
5014         (Stringpool_template::new_key_offset): Remove code to initialize
5015         Stringpool_template::offset_.
5016         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5017         Stringpool_template::offset_ to zero.
5018
5019 2010-03-15  Doug Kwan  <dougkwan@google.com>
5020
5021         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5022         offset_.
5023         (Stringpool_template::new_key_offset): New method.
5024         (Stringpool_template::add_string): Assign offsets when adding new
5025         strings.
5026         (Stringpool_template::set_string_offsets): Do not set string offsets
5027         when not optimizing.
5028         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5029         member size_.
5030         (Chunked_vector::clear): Clear size_.
5031         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5032         (Chunked_vector::size): Return size_.
5033         (Chunked_vector::push_back): Use size_ to find insert position.
5034         (Chunked_vector::size_): New data member.
5035         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5036         (Stringpool_template::new_key_offset): New method declaration.
5037         (Stringpool_template::offset_): New data member.
5038
5039 2010-03-15   Rafael Espindola  <espindola@google.com>
5040
5041         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5042         Add_symbols' constructor.
5043         * readsyms.h (Add_symbols): Remove the input_group member.
5044
5045 2010-03-10  Ian Lance Taylor  <iant@google.com>
5046
5047         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5048         target to ask whether a reference to a symbol requires a stack
5049         split.
5050         * target.h (Target::is_call_to_non_split): New function.
5051         (Target::do_is_call_to_non_split): Declare virtual function.
5052         * target.cc: Include "symtab.h".
5053         (Target::do_is_call_to_non_split): New function.
5054         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5055
5056 2010-03-10  Cary Coutant  <ccoutant@google.com>
5057
5058         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5059         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5060         (File_read::open[2]): Add whole_file_view_ to list of views.
5061         (File_read::make_view): Remove test of whole_file_view_.
5062         (File_read::find_or_make_view): Create whole_file_view_ if
5063         necessary.
5064         (File_read::clear_views): Replace bool parameter with enum;
5065         adjust all callers.  Don't delete views with permanent data;
5066         do delete cached views and views from archives if
5067         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5068         if clearing the corresponding view.
5069         * fileread.h (File_read::Clear_views_mode): New enum.
5070         (File_read::View::is_permanent_view): New method.
5071         (File_read::clear_views): Replace bool parameter
5072         with enum; adjust all callers.
5073         * options.h (General_options): Change keep_files_mapped option;
5074         add map_whole_files.
5075         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5076         releasing the file.
5077         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5078         the file.
5079
5080 2010-03-10  David S. Miller  <davem@davemloft.net>
5081
5082         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5083
5084 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5085
5086         * icf.cc (get_section_contents): Add '@' marker after processing the
5087         merge reloc.
5088
5089 2010-03-08  Doug Kwan  <dougkwan@google.com>
5090
5091         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5092         due to a conversion warning.
5093         (Arm_relobj::update_output_local_symbol_count): Check for local
5094         symbol with unset output index.
5095
5096 2010-03-05  Ian Lance Taylor  <iant@google.com>
5097
5098         * options.h (class General_options): Add --spare-dynamic-tags.
5099         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5100         --spare-dynamic-tags.
5101
5102 2010-03-05  Ian Lance Taylor  <iant@google.com>
5103
5104         * incremental.cc: Include "libiberty.h".
5105
5106 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5107
5108         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5109         function, is_info_ member.
5110         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5111         (Versions::Versions): Update caller.
5112         (Versions::define_base_version): Likewise.
5113         (Versions::add_def): Likewise.
5114
5115 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5116
5117         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5118         (Scan::possible_function_pointer_reloc): New function.
5119         (Scan::local_reloc_may_be_function_pointer): Change to call
5120         possible_function_pointer_reloc.
5121         (Scan::global_reloc_may_be_function_pointer): Ditto.
5122         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5123         relocations in ".data.rel.ro._ZTV" section.
5124         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5125         * testsuite/icf_safe_so_test.cc: Ditto.
5126         * testsuite/icf_safe_test.cc: Ditto.
5127         * testsuite/icf_safe_test.sh: Ditto.
5128
5129 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5130             Ian Lance Taylor  <iant@google.com>
5131
5132         * target-reloc.h (relocate_section): Check the symbol table index
5133         for -1U before setting the local symbol index.
5134         (scan_relocatable_relocs): If copying the relocation, record that
5135         the local symbol is required.
5136         * object.h (Symbol_value::is_output_symtab_index_set): New
5137         function.
5138         (Symbol_value::may_be_discarded_from_output_symtab): New
5139         function.
5140         (Symbol_value::has_output_symtab_entry): New function.
5141         (Symbol_value::needs_output_symtab_entry): Remove.
5142         (Symbol_value::output_symtab_index): Make sure the symbol index is
5143         set.
5144         (Symbol_value::set_output_symtab_index): Make sure the symbol
5145         index is not set.  Make sure the new index is valid.
5146         (Symbol_value::set_must_have_output_symtab_entry): New function.
5147         (Symbol_value::has_output_dynsym_entry): New function.
5148         (Symbol_value::set_output_dynsym_index): Make sure the new index
5149         is valid.
5150         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5151         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5152         local symbol if permitted.
5153         (Sized_relobj::do_finalize_local_symbols): Call
5154         is_output_symtab_index_set rather than needs_output_symtab_entry.
5155         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5156         rather than needs_output_symtab_entry.  Call
5157         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5158         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5159         is_output_symtab_index_set rather than needs_output_symtab_entry.
5160         * testsuite/discard_locals_relocatable_test.c: New file.
5161         * testsuite/discard_locals_test.sh: Test -r.
5162         * testsuite/Makefile.am (check_DATA): Add
5163         discard_locals_relocatable_test1.syms,
5164         discard_local_relocatable_test2.syms.
5165         (MOSTLYCLEANFILES): Likewise.  Also add
5166         discard_locals_relocatable_test1.lout and
5167         discard_locals_relocatable_test2.out.
5168         (discard_locals_relocatable_test1.syms): New target.
5169         (discard_locals_relocatable_test.o): New target.
5170         (discard_locals_relocatable_test1.out): New target.
5171         (discard_locals_relocatable_test2.syms): New target.
5172         (discard_locals_relocatable_test2.out): New target.
5173         (various): Add missing ../ld-new dependencies.
5174         * testsuite/Makefile.in: Rebuild.
5175
5176 2010-03-03  Nick Clifton  <nickc@redhat.com>
5177
5178         * po/fi.po: New Finnish translation.
5179
5180 2010-03-01  Doug Kwan  <dougkwan@google.com>
5181
5182         * layout.cc (Layout::Layout): Force section types of .init_array*,
5183         .preinit_array* and .fini_array* sections.
5184         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5185         Fix check of return value of std::string::find.().
5186         (Output_section::Input_section_sort_compare::operator()): Remove
5187         comment about .init_array.
5188         (Output_section::Input_section_sort_init_fini_compare::operator()):
5189         New method.
5190         (Output_section::sort_attached_input_sections): Handle .init_array
5191         and .fini_array specially.
5192         * output.h (Output_section::Inut_section_sort_compare): Update
5193         comment.
5194         (Output_section::Input_section_sort_init_fini_compare): New struct.
5195
5196 2010-02-26  Doug Kwan  <dougkwan@google.com>
5197
5198         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5199         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5200         * testsuite/debug_msg.sh: Avoid matching source line number for
5201         use of global variable undef_int.
5202
5203 2010-02-26  Doug Kwan  <dougkwan@google.com>
5204
5205         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5206         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5207         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5208         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5209         * options.cc (General_options::General_options): Initialize member
5210         fix_v4bx_.
5211         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5212         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5213         and rm_no_fix_v4bx.stdout
5214         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5215         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5216         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5217         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5218         and arm_no_fix_v4bx.
5219         * Makefile.in: Regenerate.
5220         * testsuite/arm_fix_v4bx.s: New file.
5221         * testsuite/arm_fix_v4bx.sh: Ditto.
5222
5223 2010-02-24  Doug Kwan  <dougkwan@google.com>
5224
5225         * arm.cc (Target_arm::got_section): Make the .got section the first
5226         non RELRO section in the data segment.
5227         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5228         suffixes of section names.
5229
5230 2010-02-24  Doug Kwan  <dougkwan@google.com>
5231
5232         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5233         flags and attributes merging if an input file is a binary file.
5234         * fileread.cc (Input_file::open): Record format of original file.
5235         * fileread.h (Input_file::Format): New enum type.
5236         (Input_file::Input_file): Initialize data member format_.
5237         (Input_file::format): New method definition.
5238         (Input_file::format_):: New data member.
5239
5240 2010-02-24  Doug Kwan  <dougkwan@google.com>
5241
5242         * arm.cc (Arm_output_data_got): New class.
5243         (ARM_TCB_SIZE): New constant
5244         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5245         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5246         If user uses a script with a SECTIONS clause, issue only a warning
5247         for a misplaced EXIDX input section.  Otherwise, issue an error.
5248         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5249         garbage collection.
5250         (Target_arm::got_mode_index_entry): Handle static linking.
5251         (Target_arm::Scan::local): Ditto.
5252         (Target_arm::Scan::global): Ditto.
5253         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5254         all incorrectly implemented relocations.
5255         (Target_arm::fix_exidx_coverage): Pass layout to
5256         Arm_output_section::fix_exidx_coverage.
5257         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5258         from ".ARM.exidx." and ".ARM.extab.".
5259
5260 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5261
5262         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5263         section if it does not already exist.
5264         * attributes.cc (Attributes_section_data::Attributes_section_data):
5265         Don't crash if size is zero.
5266
5267 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5268             Ian Lance Taylor  <iant@google.com>
5269
5270         * gold.cc (queue_middle_tasks): If no input files were opened,
5271         exit.
5272         * workqueue.h (Task_function::Task_function): Assert that there is
5273         a blocker.
5274
5275 2010-02-22  Doug Kwan  <dougkwan@google.com>
5276
5277         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5278         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5279         types to avoid warnings due to different uint64_t implementations
5280         on different hosts.
5281
5282 2010-02-21  Doug Kwan  <dougkwan@google.com>
5283
5284         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5285         handling of the maximum backward branch offset.
5286         (Arm_relocate_functions::thumb_branch_common): Ditto.
5287         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5288         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5289         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5290         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5291         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5292         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5293         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5294         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5295         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5296         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5297         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5298         thumb2_bl_out_of_range.o): New rules.
5299         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5300         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5301         thumb2_bl_out_of_range
5302         * testsuite/Makefile.in: Regenerate.
5303         * testsuite/arm_bl_in_range.s: New file.
5304         * testsuite/arm_bl_out_of_range.s: Ditto.
5305         * testsuite/arm_branch_in_range.sh: Ditto.
5306         * testsuite/arm_branch_range.t: Ditto.
5307         * testsuite/thumb2_branch_range.t: Ditto.
5308         * testsuite/thumb_bl_in_range.s: Ditto.
5309         * testsuite/thumb_bl_out_of_range.s: Ditto.
5310         * testsuite/thumb_branch_range.t: Ditto.
5311
5312 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5313
5314         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5315         Add reloc offset information.
5316         * icf.cc (get_section_contents): Change iterators to point to the new
5317         vectors. Add reloc offset information to the contents.
5318         * icf.h (Icf::Sections_reachable_info): New typedef.
5319         (Icf::Sections_reachable_list): New typedef.
5320         (Icf::Offset_info): New typedef.
5321         (Icf::Reloc_info): New struct typedef.
5322         (Icf::Reloc_info_list): New typedef.
5323         (Icf::symbol_reloc_list): Delete method.
5324         (Icf::addend_reloc_list): Delete method.
5325         (Icf::section_reloc_list): Delete method.
5326         (Icf::reloc_info_list): New method.
5327         (Icf::reloc_info_list_): New member.
5328
5329 2010-02-19  Doug Kwan  <dougkwan@google.com>
5330
5331         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5332         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5333         * arm.cc (Arm_relocation_functions): New forward declaration.
5334         (Target_arm::Target_arm): Initialize new data members
5335         got_mod_index_offset_ and tls_base_symbol_defined_.
5336         (Target_arm::Relocate::relocate_tls): New method.
5337         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5338          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5339         New methods.
5340         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5341         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5342         (Target_arm::got_mod_index_offset_,
5343         Target_arm::tls_base_symbol_defined_): New data members.
5344         (Target_arm::Scan::local, Target::Scan::global,
5345         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5346         relocations.
5347
5348 2010-02-18  Doug Kwan  <dougkwan@google.com>
5349
5350         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5351         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5352         text section as a parameter becuase some broken tools may not set
5353         the link in section header.
5354         (Target_arm::has_got_section): New method.
5355         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5356         without any mapping symbol as data only.  Remove warning.
5357         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5358         link in its section header, try to discover the link by inspecting the
5359         REL31 relocation at the beginning of the section.
5360         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5361         in error message.
5362         (Target_arm::Scan::global): Treat any reference to the symbol
5363         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5364
5365 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5366
5367         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5368         (Scan::global_reloc_may_be_function_pointer): New function.
5369         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5370         (Scan::global_reloc_may_be_function_pointer): New function.
5371         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5372         (Scan::global_reloc_may_be_function_pointer): New function.
5373         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5374         (Scan::global_reloc_may_be_function_pointer): New function.
5375         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5376         (Scan::global_reloc_may_be_function_pointer): New function.
5377         (Scan::possible_function_pointer_reloc): New function.
5378         (Target_x86_64::can_check_for_function_pointers): New function.
5379         * gc.h (gc_process_relocs): Scan relocation types to determine if
5380         function pointers were taken for targets that support it.
5381         * icf.cc (Icf::find_identical_sections): Include functions for
5382         folding in safe ICF whose pointer is not taken.
5383         * icf.h (Secn_fptr_taken_set): New typedef.
5384         (fptr_section_id_): New member.
5385         (section_has_function_pointers): New function.
5386         (set_section_has_function_pointers): New function.
5387         (check_section_for_function_pointers): New function.
5388         * options.h: Fix comment for safe ICF option.
5389         * target.h (can_check_for_function_pointers): New function.
5390         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5391         Modify icf_safe_test for X86-64.
5392         * testsuite/Makefile.in: Regenerate.
5393         * testsuite/icf_safe_so_test.cc: New file.
5394         * testsuite/icf_safe_so_test.sh: New file.
5395         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5396         (main): Change to take pointer to function kept_func_3.
5397         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5398         folding is done correctly for X86-64.
5399
5400 2010-02-12  David S. Miller  <davem@davemloft.net>
5401
5402         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5403         is_symbolless parameter.
5404         (Output_reloc<SHT_REL>::is_symbolless): New.
5405         (Output_reloc<SHT_REL>::is_symbolless_): New.
5406         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5407         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5408         (Output_reloc<SHT_RELA>::is_symbolless): New.
5409         (Output_data_reloc::add_global): Handle is_symbolless.
5410         (Output_data_reloc::add_global_relative): Likewise.
5411         (Output_data_reloc::add_local): Likewise.
5412         (Output_data_reloc::add_local_relative): Likewise.
5413         (Output_data_reloc::add_symbolless_global_addend): New.
5414         (Output_data_reloc::add_symbolless_local_addend): New.
5415         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5416         is_symbolless.
5417         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5418         instead of ->is_relative_
5419         (Output_reloc::write): Likewise.
5420         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5421         (Output_reloc::write_rel): Simplify.
5422
5423         * sparc.cc (Target_sparc::Scan::local): Use
5424         ->add_symbolless_local_addend as needed.
5425         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5426         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5427         based upon relocation offset.
5428
5429 2010-02-11  Doug Kwan  <dougkwan@google.com>
5430
5431         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5432         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5433         beginning of function.
5434         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5435         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5436         parameter is_32bit in calls to should_apply_static_reloc.
5437         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5438         (check_DATA): Add arm_abs_global.stdout.
5439         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5440         arm_abs_global.stdout): New rules.
5441         (MOSTLLYCLEANFILES): Add arm_abs_global
5442         * Makefile.in: Regenerate.
5443         * testsuite/arm_abs_global.s: New file.
5444         * testsuite/arm_abs_global.sh: Ditto.
5445         * testsuite/arm_abs_lib.s: Ditto.
5446
5447 2010-02-11  Ian Lance Taylor  <iant@google.com>
5448
5449         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5450         Read_relocs task.
5451         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5452         Allocate_commons_task first.
5453         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5454         task, rather than symtab_lock_.
5455         (Gc_process_relocs::~Gc_process_relocs): New function.
5456         (Gc_process_relocs::is_runnable): Check this_blocker_.
5457         (Gc_process_relocs::locks): Use next_blocker_ rather than
5458         blocker_.
5459         (Scan_relocs::~Scan_relocs): New function.
5460         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5461         symtab_lock_.
5462         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5463         next_blocker_.
5464         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5465         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5466         constructor accordingly.
5467         (class Gc_process_relocs): Likewise.
5468         (class Scan_relocs): Likewise.
5469         * common.h (class Allocate_commons_task): Remove symtab_lock_
5470         field, and corresponding constructor parameter.
5471         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5472         symtab_lock_.
5473         (Allocate_commons_task::locks): Likewise.
5474
5475 2010-02-11  Ian Lance Taylor  <iant@google.com>
5476
5477         * gold-threads.h (class Once): Define.
5478         (class Initialize_lock): Rewrite as child of Once.
5479         * gold-threads.cc (class Once_initialize): Define.
5480         (once_pointer_control): New static variable.
5481         (once_pointer, once_arg): New static variables.
5482         (c_run_once): New static function.
5483         (Once::Once, Once::run_once, Once::internal_run): New functions.
5484         (class Initialize_lock_once): Remove.
5485         (initialize_lock_control): Remove.
5486         (initialize_lock_pointer): Remove.
5487         (initialize_lock_once): Remove.
5488         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5489         (Initialize_lock::initialize): Rewrite.
5490         (Initialize_lock::do_run_once): New function.
5491         * archive.cc (Archive::interpret_header): Only clear name if it is
5492         not already empty.
5493         * fileread.cc: Include "gold-threads.h"
5494         (file_counts_lock): New static variable.
5495         (file_counts_initialize_lock): Likewise.
5496         (File_read::release): Only increment counts when using --stats.
5497         Use a lock around the increment.
5498         * parameters.cc (class Set_parameters_target_once): Define.
5499         (set_parameters_target_once): New static variable.
5500         (Parameters::Parameters): Move here from parameters.h.
5501         (Parameters::set_target): Rewrite.
5502         (Parameters::set_target_once): New function.
5503         (Parameters::clear_target): Move here and rewrite.
5504         * parameters.h (class Parameters): Update declarations.  Add
5505         set_parameters_target_once_ field.
5506         (Parameters::Parameters): Move to parameters.cc.
5507         (Parameters::clear_target): Likewise.
5508         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5509         task.
5510         (Start_group::~Start_group): New function.
5511         (Start_group::is_runnable): New function.
5512         (Start_group::locks, Start_group::run): New functions.
5513         (Finish_group::run): Change saw_undefined to size_t.
5514         * readsyms.h (class Start_group): Define.
5515         (class Finish_group): Change saw_undefined_ field to size_t.
5516         (Finish_group::Finish_group): Remove saw_undefined and
5517         this_blocker parameters.  Change all callers.
5518         (Finish_group::set_saw_undefined): New function.
5519         (Finish_group::set_blocker): New function.
5520         * symtab.h (class Symbol_table): Change saw_undefined to return
5521         size_t.  Change saw_undefined_ field to size_t.
5522         * target-select.cc (Set_target_once::do_run_once): New function.
5523         (Target_selector::Target_selector): Initialize set_target_once_
5524         field.  Don't initialize lock_ and initialize_lock_ fields.
5525         (Target_selector::instantiate_target): Rewrite.
5526         (Target_selector::set_target): New function.
5527         * target-select.h (class Set_target_once): Define.
5528         (class Target_selector): Update declarations.  Make
5529         Set_target_once a friend.  Remove lock_ and initialize_lock_
5530         fields.  Add set_target_once_ field.
5531
5532 2010-02-10  Ian Lance Taylor  <iant@google.com>
5533
5534         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5535         queueing any tasks.
5536         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5537         (queue_middle_tasks): Add all blockers before queueing any tasks.
5538         (queue_final_tasks): Likewise.
5539         * token.h (Task_token::add_blockers): New function.
5540         * object.h (Input_objects::number_of_relobjs): New function.
5541
5542 2010-02-10  Ian Lance Taylor  <iant@google.com>
5543
5544         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5545         shared, not if not position independent.
5546         * x86_64.cc (Relocate::relocate_tls): Likewise.
5547         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5548         (tls_pie_pic_test): New target.
5549         * testsuite/Makefile.in: Rebuild.
5550
5551         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5552         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5553         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5554         * testsuite/Makefile.in: Rebuild.
5555
5556 2010-02-09  David S. Miller  <davem@davemloft.net>
5557
5558         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5559         R_SPARC_RELATIVE using ->add_local_relative().
5560         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5561
5562         * output.h (Output_data_dynamic::add_section_size): New method
5563         that takes two Output_data objects.
5564         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5565         entry param.  Handle it in initializers.
5566         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5567         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5568         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5569         arg.
5570         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5571         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5572         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5573         for dynrel_includes_plt.
5574         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5575         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5576         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5577         before .rela.plt
5578         (Target_sparc::do_finalize_sections): Update to pass true for
5579         dynrel_includes_plt.
5580         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5581         output before .rela.plt
5582         (Target_powerpc::do_finalize_sections): Update to pass true for
5583         dynrel_includes_plt when 32-bit.
5584
5585 2010-02-08  Doug Kwan  <dougkwan@google.com>
5586
5587         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5588         method.
5589         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5590         Arm_relobj::scan_section_for_cortex_a8_stubs,
5591         Arm_relobj::do_relocation_section): Instead of calling
5592         Output_section::output_address, use faster
5593         Arm_relobj::simple_input_section_output_address.
5594
5595 2010-02-08  David S. Miller  <davem@davemloft.net>
5596
5597         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5598         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5599         relocation helper function.
5600
5601         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5602         just like R_SPARC_GOT{10,13,22}.
5603         (Target_sparc::Scan::local): Likewise.
5604         (Target_sparc::Relocate:relocate): Likewise.
5605
5606 2010-02-06  Ian Lance Taylor  <iant@google.com>
5607
5608         * configure.ac: Rewrite targetobjs duplicate removal code to use
5609         only shell constructs.
5610         * configure: Rebuild.
5611
5612 2010-02-05  Doug Kwan  <dougkwan@google.com>
5613
5614         PR 11247
5615         * arm.cc (Arm_relobj::section_is_scannable): New method.
5616         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5617         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5618
5619 2010-02-04  Doug Kwan  <dougkwan@google.com>
5620
5621         PR 11247
5622         * arm-reloc-property.cc (cstdio): Include.
5623         * configure.ac (targetobjs): Remove duplicates.
5624         * configure: Regenerate.
5625         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5626         big and little endian version for a given address size.
5627
5628 2010-02-03  Doug Kwan  <dougkwan@google.com>
5629
5630         * arm-reloc-property.cc
5631         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5632         definition.
5633         * arm-reloc-property.h
5634         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5635         New method definition.
5636         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5637         declaration.
5638         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5639         overflow to N.
5640         (GOT_PREL): Change implemented to Y.
5641         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5642         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5643         (Arm_relocate_functions::movw_abs_nc): Remove method.
5644         (Arm_relocate_functions::movt_abs): Ditto.
5645         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5646         (Arm_relocate_functions::thm_movt_abs): Ditto.
5647         (Arm_relocate_functions::movw_rel_nc): Ditto.
5648         (Arm_relocate_functions::movw_rel): Ditto.
5649         (Arm_relocate_functions::movt_rel): Ditto.
5650         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5651         (Arm_relocate_functions:thm_movw_rel): Ditto.
5652         (Arm_relocate_functions:thm_movt_rel): Ditto.
5653         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5654         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5655         New method definitions.
5656         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5657         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5658         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5659         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5660         (Target_arm::Relocate::relocate): Check for non-static or
5661         unimplemented relocation code and exit early.  Change calls to
5662         Target_arm::reloc_uses_thumb_bit and
5663         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5664         instead.  Refactor code to handle similar relocations to increase
5665         code sharing.  Remove check for unsupported relocation code in switch
5666         statement.
5667         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5668         relocation property table to find out size.  Change error message to
5669         print out the name of a relocation code instead of the numeric value.
5670         (Target_arm::scan_reloc_for_stub): Use relocation property table
5671         instead of calling Target_arm::reloc_uses_thumb_bit().
5672
5673 2010-02-02  Doug Kwan  <dougkwan@google.com>
5674
5675         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5676         types of relaxed input section.
5677
5678 2010-02-02  Doug Kwan  <dougkwan@google.com>
5679
5680         * Makefile.am (HFILES): Add arm-reloc-property.h.
5681         (DEFFILES): New.
5682         (TARGETSOURCES): Add arm-reloc-property.cc
5683         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5684         (libgold_a_SOURCES): $(DEFFILES)
5685         * Makefile.in: Regenerate.
5686         * arm-reloc-property.cc: New file.
5687         * arm-reloc-property.h: New file.
5688         * arm-reloc.def: New file.
5689         * arm.cc: Update comments.
5690         (arm-reloc-property.h): New included header.
5691         (arm_reloc_property_table): New global variable.
5692         (Target_arm::do_select_as_default_target): New method definition.
5693         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5694         arm-reloc-property to targ_extra_obj.
5695         * parameters.cc (set_parameters_target): Call
5696         Target::select_as_default_target().
5697         * target.h (Target::select_as_default_target): New method definition.
5698         (Target::do_select_as_default_target): Same.
5699
5700 2010-02-01  Doug Kwan  <dougkwan@google.com>
5701
5702         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5703         first_output_text_section_.
5704         (Arm_exidx_fixup::first_output_text_section): New method definition.
5705         (Arm_exidx_fixup::first_output_text_section_): New data member.
5706         (Arm_exidx_fixup::process_exidx_section): Record the first text
5707         output section seen.
5708         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5709         and entsize in output section header.
5710
5711 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5712
5713         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5714         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5715         (Arm_relocate_functions::thm_alu11): New Method.
5716         (Arm_relocate_functions::thm_pc8): New Method.
5717         (Arm_relocate_functions::thm_pc12): New Method.
5718         (Target_arm::Scan::local): Handle the relocations.
5719         (Target_arm::Scan::global): Likewise.
5720         (Target_arm::Relocate::relocate): Likewise.
5721         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5722
5723 2010-01-29  Doug Kwan  <dougkwan@google.com>
5724
5725         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5726         of relocation types as ld.
5727
5728 2010-01-29  Doug Kwan  <dougkwan@google.com>
5729
5730         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5731         to public.
5732         (Arm_relocate_functions::thumb_branch_common): Ditto.
5733         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5734         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5735         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5736         Arm_relocate_functions::jump24): Remove.
5737         (Target_arm::Relocate::relocate): Adjust code to call
5738         Arm_relocation_functions::arm_branch_common and
5739         Arm_relocation_functions::thumb_branch_common instead of their removed
5740         wrappers.  Merge switch-cases together to reduce source code size.
5741
5742 2010-01-29  Doug Kwan  <dougkwan@google.com>
5743
5744         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5745         output_local_symbol_count_needs_update_.
5746         (Arm_relobj::output_local_symbol_count_needs_update,
5747          Arm_relobj::set_output_local_symbol_count_needs_update,
5748          Arm_relobj::update_output_local_symbol_count): New methods.
5749         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5750         member.
5751         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5752         of pointed function as in a R_ARM_PREL31 relocation.
5753         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5754         for output local symbol count updating.
5755         (Target_arm::do_relax): Update output local symbol counts in objects
5756         if necessary.
5757         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5758
5759 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5760
5761         * arm.cc: Added support for the ARM relocations:
5762         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5763         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5764         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5765         movw_prel_nc).
5766         (Arm_relocate_functions::movw_rel): New method.
5767         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5768         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5769         thm_movw_prel_nc).
5770         (Arm_relocate_functions::thm_movw_rel): New method.
5771         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5772         thm_movt_prel).
5773         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5774         relocations.
5775         (Target_arm::Scan::global): Likewise.
5776         (Target_arm::Relocate::relocate): Likewise.
5777         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5778         Likewise.
5779
5780 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5781
5782         * arm.cc: Added support for ARM group relocations.
5783         (Target_arm::reloc_needs_sym_origin): New method.
5784         (Arm_relocate_functions::calc_grp_kn): New method.
5785         (Arm_relocate_functions::calc_grp_residual): New method.
5786         (Arm_relocate_functions::calc_grp_gn): New method.
5787         (Arm_relocate_functions::arm_grp_alu): New Method.
5788         (Arm_relocate_functions::arm_grp_ldr): New Method.
5789         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5790         (Arm_relocate_functions::arm_grp_ldc): New Method.
5791         (Target_arm::Scan::local): Handle the ARM group relocations.
5792         (Target_arm::Scan::global): Likewise.
5793         (Target_arm::Relocate::relocate): Likewise.
5794         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5795         Likewise.
5796
5797 2010-01-26  Doug Kwan  <dougkwan@google.com>
5798
5799         * arm.cc (set): Include.
5800         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5801         pointer type.
5802         (Arm_output_section::Text_section_list): New type.
5803         (Arm_output_section::append_text_sections_to_list): New method.
5804         (Arm_output_section::fix_exidx_coverage): Ditto.
5805         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5806         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5807         Relobj::set_section_offset() instead of
5808         Sized_relobj::invalidate_section_offset().
5809         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5810         parameter for section headers. Ignore relocation sections for
5811         unallocated sections and EXIDX sections.
5812         (Target_arm::fix_exidx_coverage): New method.
5813         (Target_arm::output_section_address_less_than): New type.
5814         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5815         linked text section instead of the EXIDX section.
5816         (Arm_output_section::create_stub_group): Add an assertion to check
5817         that this is not an EXIDX output section.
5818         (Arm_output_section::append_text_sections_to_list): New method.
5819         (Arm_output_section::fix_exidx_coverage): Ditto.
5820         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5821         Arm_relobj::section_needs_reloc_stub_scanning.
5822         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5823         first pass.
5824         (Target_arm::fix_exidx_coverage): New method.
5825         * object.h (Relobj::set_output_section): New method.
5826         (Sized_relobj::invalidate_section_offset): Remove method.
5827         (Sized_relobj::do_invalidate_section_offset): Remove method.
5828         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5829
5830 2010-01-25  Doug Kwan  <dougkwan@google.com>
5831
5832         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5833         Fix warning due to signed and unsigned comparison on a 32-bit host.
5834
5835 2010-01-22  Doug Kwan  <dougkwan@google.com>
5836
5837         * arm.cc (Target_arm::do_relax): Record an output section for section
5838         offset adjustment it contains any stub table that has changed.
5839         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5840         offsets in an output section if necessary.
5841         * output.cc (Output_section::Output_section): Initialize
5842         section_offsets_need_adjustments_.
5843         (Output_section::add_input_section_for_script): Renamed to
5844         Output_section::add_simple_input_section.
5845         (Output_section::save_states): Add a comment.
5846         (Output_section::discard_states): New method defintion.
5847         (Output_section::adjust_section_offsets): Same.
5848         * output.h (Output_section::add_input_section_for_script): Renamed to
5849         Output_section::add_simple_input_section.
5850         (Output_section::discard_states): New method declaration.
5851         (Output_section::adjust_section_offsets): Same.
5852         (Output_section::section_offsets_need_adjustment,
5853         Output_section::set_section_offsets_need_adjustment): New method
5854         definitions.
5855         (Output_section::section_offsets_need_adjustment_): New data member.
5856         * script-sections.cc
5857         (Output_section_element_input::set_section_address): Adjust code for
5858         renaming of Output_section::add_input_section_for_script.
5859         (Orphan_output_section::set_section_address): Same.
5860
5861 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5862
5863         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5864         Fix_v4bx enum values .
5865         * gold/options.h (General_options): New option definitions.
5866         (General_options::fix_v4bx): New method.
5867         (General_options::Fix_v4bx): New enum.
5868         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5869         (General_options::parse_fix_v4bx_interworking): New method.
5870
5871 2010-01-22  Doug Kwan  <dougkwan@google.com>
5872
5873         * arm.cc (Arm_exidx_fixup): New class.
5874
5875 2010-01-21  Doug Kwan  <dougkwan@google.com>
5876
5877         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5878         classes.
5879         (Arm_exidx_section_offset_map): New type.
5880
5881 2010-01-21  Doug Kwan  <dougkwan@google.com>
5882
5883         * arm.cc (Arm_exidx_input_section): New class.
5884         (Arm_relobj::exidx_input_section_by_link,
5885         Arm_relobj::exidx_input_section_by_shndx,
5886         Arm_relobj::make_exidx_input_section): New methods.
5887         (read_arm_attributes_section): Remove.
5888         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5889         information about them.
5890         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5891         to here.
5892
5893 2010-01-20  Doug Kwan  <dougkwan@google.com>
5894
5895         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5896         Input_section_specifier to Section_id.
5897         (Target_arm::new_arm_input_section: Adjust code for change of key
5898         type.
5899         (Target_arm::find_arm_input_section): Ditto.
5900         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5901         (Section_id): Remove.
5902         (Garbage_collection::Section_id_hash): Remove.
5903         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5904         (Section_id): Remove.
5905         (Icf::Section_id_hash): Remove.
5906         * object.h (Section_id, Const_section_id, Section_id_hash,
5907         Const_section_id_hash): New type definitions.
5908         * output.cc (Output_section::add_relaxed_input_section): Change to
5909         use Const_section_id instead of Input_section_specifier as key type.
5910         (Output_section::add_merge_input_section): Ditto.
5911         (Output_section::build_relaxation_map): Change to use Section_id
5912         instead of Input_section_specifier as key type.
5913         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5914         Ditto.
5915         (Output_section::convert_input_sections_to_relaxed_sections): Change
5916         to use Const_section_id instead of Input_section_specifier as key type.
5917         (Output_section::find_merge_section): Ditto.
5918         (Output_section::find_relaxed_input_section): Ditto.
5919         * output.h (Input_section_specifier): Remove class.
5920         (Output_section::Output_section_data_by_input_section_map): Change
5921         key type to Const_section_id.
5922         (Output_section::Output_relaxed_input_section_by_input_section_map):
5923         Ditto.
5924         (Output_section::Relaxation_map): Change key type to Section_id.
5925
5926 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5927
5928         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5929         (class Arm_v4bx_stub): New class.
5930         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5931         (Stub_factory::make_arm_v4bx_stub): New method.
5932         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5933         (Stub_table::empty): Handle v4bx stubs.
5934         (Stub_table::add_arm_v4bx_stub): New method.
5935         (Stub_table::find_arm_v4bx_stub): New method.
5936         (Arm_relocate_functions::v4bx): New method.
5937         (Target_arm::fix_v4bx): New method.
5938         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5939         (Stub_table::relocate_stubs): Likewise.
5940         (Stub_table::do_write): Likewise.
5941         (Stub_table::update_data_size_and_addralign): Likewise.
5942         (Stub_table::finalize_stubs):  Likewise.
5943         (Target_arm::Scan::local): Likewise.
5944         (Target_arm::Scan::global): Likewise.
5945         (Target_arm::do_finalize_sections): Likewise.
5946         (Target_arm::Relocate::relocate): Likewise.
5947         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5948         Likewise.
5949         (Target_arm::scan_reloc_for_stub): Likewise.
5950         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5951
5952 2010-01-19  Ian Lance Taylor  <iant@google.com>
5953
5954         * output.cc (Output_section_headers::do_sized_write): Write large
5955         segment count to sh_info field.
5956         (Output_file_header::do_sized_write): For large segment count,
5957         write PN_XNUM to e_phnum field.
5958
5959 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5960
5961         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5962         (Arm_relocate_functions::thm_jump8): New function.
5963         (Arm_relocate_functions::thm_jump11): New function.
5964         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5965         R_ARM_THM_JUMP11.
5966         (Target_arm::Scan::global): Likewise.
5967         (Target_arm::Relocate::relocate): Likewise.
5968         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5969         Likewise.
5970
5971 2010-01-14  Doug Kwan  <dougkwan@google.com>
5972
5973         * arm.cc (map, utility): Include headers.
5974         (Target_arm::apply_cortex_a8_workaround): New method.
5975         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5976         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5977         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5978         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5979         the --[no-]fix-cortex-a8 command line options.
5980         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5981         (Target_arm::relocate_stub): Use addend in instruction template.
5982         * options.h (DEFINE_bool): Set the user-set flag.
5983         (General_options): Add --[no-]-fix-cortex options.
5984         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5985         : Update fast look-up map after conversion.
5986
5987 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5988
5989         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5990         in the first pass of do_layout.
5991
5992 2010-01-13  Doug Kwan  <dougkwan@google.com>
5993
5994         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5995         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5996         apparent compiler problem of not folding static constant integral
5997         data members of elfcpp::Elf_sizes<32>.
5998
5999 2010-01-13  Doug Kwan  <dougkwan@google.com>
6000
6001         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6002         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6003         Arm_relobj::scan_section_for_cortex_a8_erratum,
6004         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6005         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6006         sections to scan for relocation stubs into a new method
6007         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6008         relocation and Cortex-A8 stub scanning.
6009         (Target_arm::do_relax): Force stubs to be after stubbed sections
6010         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6011         the beginning of a new relaxation pass.  Update a comment.
6012         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6013
6014 2010-01-12  Ian Lance Taylor  <iant@google.com>
6015
6016         * target-reloc.h (visibility_error): New inline function.
6017         (relocate_section): Call visibility_error.
6018         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6019         (MOSTLYCLEANFILES): Likewise.
6020         (protected_4_pic.o, protected_3.err): New targets.
6021         * testsuite/protected_4.cc: New file.
6022
6023 2010-01-12  Doug Kwan  <dougkwan@google.com>
6024
6025         * arm.cc (Cortex_a8_reloc): New class.
6026         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6027         and cortex_a8_relocs_info_.
6028         (Target_arm::fix_cortex_a8): New method definition.
6029         (Target_arm::Cortex_a8_relocs_info): New type.
6030         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6031         New data member declarations.
6032         (Target_arm::scan_reloc_for_stub): Record information about
6033         relocations for THUMB branches that might be exempted from the
6034         Cortex-A8 workaround.
6035         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6036         at the beginning of a relaxation pass.
6037
6038 2010-01-12  Doug Kwan  <dougkwan@google.com>
6039
6040         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6041         (Arm_relobj::Mapping_symbol_position,
6042          Arm_reloj::Mapping_symbol_position_less,
6043          Arm_relobj::Mapping_symbols_info): New types.
6044         (Target_arm::is_mapping_symbol_name): New method definition.
6045         (Arm_relobj::do_count_local_symbols): Save information about mapping
6046         symbols.
6047
6048 2010-01-11  Doug Kwan  <dougkwan@google.com>
6049
6050         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6051         Arm_relocate_functions::thumb32_branch_upper,
6052         Arm_relocate_functions::thumb32_branch_lower,
6053         Arm_relocate_functions::thumb32_cond_branch_offset,
6054         Arm_relocate_functions::thumb32_cond_branch_upper,
6055         Arm_relocate_functions::thumb32_cond_branch_lower,
6056         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6057         branch offset encoding.
6058         (Arm_relocate_functions::thumb_branch_common): Use new branch
6059         offset encoding methods to avoid code duplication.
6060         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6061         (Stub_addend_reader::operator()): Use new branch encoding method
6062         to avoid code duplication.
6063
6064 2010-01-11  Doug Kwan  <dougkwan@google.com>
6065
6066         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6067         (Target_arm::do_finalize_sections): Define special EXIDX section
6068         symbols only if referenced.
6069         * gc.h (Garbage_collection::add_reference): New method.
6070         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6071         code duplication.
6072
6073 2010-01-11  Ian Lance Taylor  <iant@google.com>
6074
6075         * script.cc (Version_script_info::build_expression_list_lookup):
6076         Change complaing about duplicate wildcard match from error to
6077         warning.
6078
6079         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6080         of 2009-12-30.
6081         (Version_script_info::Version_script_info): Initialize globs_,
6082         default_version_, default_is_global_, and exact_.  Don't
6083         initialize globals_ or locals_.
6084         (Version_script_info::build_lookup_tables): Build local symbols
6085         first.
6086         (Version_script_info::unquote): New function.
6087         (Version_script_info::add_exact_match): New function.
6088         (Version_script_info::build_expression_list_lookup): Remove lookup
6089         parameter.  Add is_global parameter.  Change all callers.  Handle
6090         wildcard pattern specially.  Unquote pattern.  Call
6091         add_exact_match.
6092         (Version_script_info::get_name_to_match): New function.
6093         (Version_script_info::get_symbol_version): New function.
6094         (Version_script_info::get_symbol_version_helper): Remove.
6095         (Version_script_info::check_unmatched_names): Call unquote.
6096         * script.h (class Version_script_info): Change get_symbol_version
6097         to be non-inline and add is_global parameter; change all callers.
6098         Rewrite symbol_is_local.  Update declarations.  Define struct
6099         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6100         Remove globals_ and locals_ members.  Add exact_, globs_,
6101         default_version_, is_global_.
6102         (Version_script_info::Glob): Remove pattern, add expression and
6103         is_global.  Update constructor.  Change all callers.
6104         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6105         default version.
6106         (Versions::symbol_section_contents): If a symbol is undefined, or
6107         defined in a dynamic object, set the version index to
6108         VER_NDX_LOCAL.
6109         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6110         symbol_is_local.
6111         (Symbol_table::add_from_pluginobj): Likewise.
6112         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6113
6114 2010-01-11  Doug Kwan  <dougkwan@google.com>
6115
6116         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6117         (incremental_dump_LDADD): Add linking option for libintl.
6118         * Makefile.in: Regenerate.
6119
6120 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6121
6122         PR gold/11144
6123         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6124         instead of -Ds.
6125         * testsuite/Makefile.in: Regenerated.
6126
6127 2010-01-10  Doug Kwan  <dougkwan@google.com>
6128
6129         * options.h (DEFINE_var): Use parentheses around argument varname__
6130         in macro body to avoid any unintended subsequent substitutions.
6131
6132 2010-01-10  Ian Lance Taylor  <iant@google.com>
6133
6134         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6135         candidates before doing symbol resolution.
6136
6137         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6138         ODR candidates if only one is weak.
6139
6140 2010-01-08  Ian Lance Taylor  <iant@google.com>
6141
6142         * script.cc (Version_script_info::build_expression_list_lookup):
6143         Don't warn about ambiguous version, just record the ambiguity.
6144         (Version_script_info::get_symbol_version_helper): Give error if
6145         version is ambiguous.
6146
6147 2010-01-08  Doug Kwan  <dougkwan@google.com>
6148
6149         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6150           prev_data_size_ and prev_addralign_.  Remove initializer for
6151           deleted data member has_been_changed_.
6152           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6153           to determine if the table is empty.
6154           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6155           Remove.
6156           (Stub_table::add_reloc_stub): Define method in class definition
6157           instead of just declaring it there.
6158           (Stub_table::add_cortex_a8_stub): New method definition.
6159           (Stub_table::update_data_size_and_addralign): Ditto.
6160           (Stub_table::finalize_stubs): Ditto.
6161           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6162           (Stub_table::do_addralign_): Return address alignment in the
6163           (Stub_table::do_reset_address_and_file_offset): Define method in
6164           class definition instead of declaring it there.  Set current data
6165           size to be the data size of the previous pass.
6166           (Stub_table::set_final_data_size): Use current data size as the
6167           final data size.
6168           (Stub_table::relocate_stub): Change parameter type of stub from
6169           Reloc_stub pointer to Stub pointer.
6170           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6171           (Stub_table::Cortex_a8_stub_list): New typedef.
6172           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6173            Stub_table::prev_addralign_): New data member.
6174           (Arm_relobj::Arm_relobj): Initialize data member
6175           section_has_cortex_a8_workaround_.
6176           (Arm_relobj::section_has_cortex_a8_workaround,
6177            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6178            definitions.
6179           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6180           declarations.
6181           (Target_arm::relocate_stub): Change parameter type of stub from
6182           Reloc_stub pointer to Stub pointer.
6183           (Insn_template::size, Insn_template::alignment): Handle
6184           THUMB16_SPECIAL_TYPE.
6185           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6186            Stub_table::update_data_size_and_addralign,
6187            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6188           definitions.
6189           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6190           (Stub_table::do_write): Ditto.
6191           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6192
6193 2010-01-08  Ian Lance Taylor  <iant@google.com>
6194
6195         PR 11108
6196         * symtab.h (class Symbol): Remove fields is_target_special_ and
6197         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6198         (Symbol::is_defined_in_discarded_section): New function.
6199         (Symbol::set_is_defined_in_discarded_section): New function.
6200         (Symbol::has_plt_offset): Rewrite.
6201         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6202         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6203         Don't initialize is_target_special_ or has_plt_offset_.
6204         Initialize is_defined_in_discarded_section_.
6205         (Symbol_table::add_from_relobj): If appropriate, set
6206         is_defined_in_discarded_section.
6207         * resolve.cc (Symbol::override_base_with_special): Don't test
6208         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6209         * target-reloc.h (relocate_section): Do special handling for
6210         symbols defined in discarded sections for global symbols as well
6211         as local symbols.
6212
6213 2010-01-08  Ian Lance Taylor  <iant@google.com>
6214
6215         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6216         the SHT_SYMTAB case.
6217
6218 2010-01-08  Ian Lance Taylor  <iant@google.com>
6219
6220         * object.cc (Sized_relobj::do_layout): Don't get confused if
6221         layout_eh_frame returns NULL.
6222
6223 2010-01-08  Ian Lance Taylor  <iant@google.com>
6224
6225         PR 11084
6226         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6227         dynamic symbol table, use the normal symbol table.
6228         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6229         symbol table.
6230
6231 2010-01-08  Ian Lance Taylor  <iant@google.com>
6232
6233         PR 11072
6234         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6235         sections.
6236
6237 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6238
6239         * version.cc (print_version): Change to "Copyright 2010".
6240
6241 2010-01-08  Ian Lance Taylor  <iant@google.com>
6242
6243         PR 10287
6244         PR 11063
6245         * i386.cc (class Target_i386): Change return type of plt_section
6246         to be non-const.
6247         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6248         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6249         tls_desc_rel_ field.
6250         (Output_data_plt_i386::rel_tls_desc): New function.
6251         (Target_i386::rel_tls_desc_section): New function.
6252         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6253         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6254         R_386_TLS_DESC reloc in rel_tls_desc_section.
6255         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6256         Define struct Tlsdesc_info.
6257         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6258         (Target_x86_64::do_reloc_symbol_index): New function.
6259         (Target_x86_64::add_tlsdesc_info): New function.
6260         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6261         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6262         tlsdesc_rel_ field.
6263         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6264         all callers.
6265         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6266         (Target_x86_64::rela_tlsdesc_section): New function.
6267         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6268         handling.
6269         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6270         (Target_x86_64::do_reloc_addend): New function.
6271         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6272         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6273         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6274         (Output_reloc::type): New function.
6275         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6276         (Output_reloc::is_target_specific): New function.
6277         (Output_reloc::target_arg): New function.
6278         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6279         absolute relocs and target specific relocs.
6280         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6281         add_target_specific.
6282         (class Output_data_reloc) [SHT_RELA]: Likewise.
6283         * output.cc (Output_reloc::Output_reloc): Add four new versions
6284         for absolute relocs and target specific relocs.
6285         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6286         (Output_reloc::get_symbol_index): Likewise.
6287         (Output_reloc::local_section_offset): Check that local_sym_index_
6288         is not TARGET_CODE or 0.
6289         (Output_reloc::symbol_value): Likewise.
6290         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6291         reloc.
6292         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6293         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6294         functions.
6295         * layout.cc (add_target_dynamic_tags): Use output section for
6296         DT_PLTRELSZ and DT_JMPREL.
6297
6298 2010-01-07  Ian Lance Taylor  <iant@google.com>
6299
6300         PR 11061
6301         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6302         function.
6303         (class Output_data_reloc_generic): Define.
6304         (class Output_data_reloc_base): Change base class to
6305         Output_data_reloc_generic.  Change add() method to call
6306         bump_relative_reloc_count for a relative reloc.  Remove
6307         sort_relocs_ field.
6308         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6309         to sort_relocs().
6310         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6311         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6312         appropriate.
6313         * layout.h (class Layout): Update declaration.
6314
6315 2010-01-07  Ian Lance Taylor  <iant@google.com>
6316
6317         * output.h (class Output_data): Add const version of
6318         output_section and do_output_section.
6319         (class Output_section_data): Add const version of
6320         do_output_section.
6321         (class Output_section): Likewise.
6322         * layout.cc (Layout::add_target_dynamic_tags): New function.
6323         * layout.h (class Layout): Update declarations.
6324         * arm.cc (Target_arm::do_finalize_sections): Use
6325         add_target_dynamic_tags.
6326         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6327         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6328         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6329         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6330
6331 2010-01-07  Ian Lance Taylor  <iant@google.com>
6332
6333         PR 11042
6334         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6335         object as needed.
6336
6337 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6338             Ian Lance Taylor  <iant@google.com>
6339
6340         PR 11019
6341         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6342         Xindex::read_symtab_xindex.
6343
6344 2010-01-07  Doug Kwan  <dougkwan@google.com>
6345
6346         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6347         (Insn_template::thumb16_bcond_insn): New method declaration.
6348         (Insn_template): Fix spelling.
6349         (Stub::thumb16_special): New method declaration.
6350         (Stub::do_write): Define virtual method which was previously pure
6351         virtual.
6352         (Stub::do_thumb16_special): New method declaration.
6353         (Stub::do_fixed_endian_write): New template member.
6354         (Reloc_stub::do_write): Remove.
6355         (Reloc_stub::do_fixed_endian_write): Remove.
6356         (Cortex_a8_stub): New class definition.
6357         (Stub_factory::make_cortex_a8_stub): New method definition.
6358         (Stub_factory::Stub_factory): Add missing static storage class
6359         qualifier for elf32_arm_stub_a8_veneer_blx.
6360
6361 2010-01-07  Ian Lance Taylor  <iant@google.com>
6362
6363         PR 10980
6364         * options.h (class General_options): Add --warn-unresolved-symbols
6365         and --error-unresolved-symbols.
6366         * errors.cc (Errors::undefined_symbol): Implement
6367         --warn-unresolved-symbols.
6368
6369         * options.h (class General_options): Add -z text and -z textoff.
6370         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6371
6372 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6373
6374         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6375         (Garbage_collection::cident_sections): New function.
6376         (Garbage_collection::add_cident_section): New function.
6377         (Garbage_collection::cident_sections_): New member.
6378         (gc_process_relocs): Add references to sections whose names are C
6379         identifiers.
6380         * gold.h (cident_section_start_prefix): New constant.
6381         (cident_section_stop_prefix): New constant.
6382         (is_cident): New function.
6383         * layout.cc (Layout::define_section_symbols): Replace string constants
6384         with the newly defined constants.
6385         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6386         C identifiers.
6387         * testsuite/Makefile.am: Add gc_orphan_section_test.
6388         * testsuite/Makefile.in: Regenerate.
6389         * testsuite/gc_orphan_section_test.cc: New file.
6390         * testsuite/gc_orphan_section_test.sh: New file.
6391
6392 2010-01-06  Ian Lance Taylor  <iant@google.com>
6393
6394         PR 10980
6395         * options.h (class General_options): Add --warn-shared-textrel.
6396         * layout.cc (Layout::finish_dynamic_section): Implement
6397         --warn-shared-textrel.
6398
6399         PR 10980
6400         * options.h (class General_options): Add --warn-multiple-gp.
6401
6402 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6403
6404         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6405         $(THREADSLIB) and $(LIBDL).
6406         * Makefile.in: Rebuild.
6407
6408 2010-01-06  Ian Lance Taylor  <iant@google.com>
6409
6410         PR 10980
6411         * options.cc (General_options::parse_section_start): New function.
6412         (General_options::section_start): New function.
6413         (General_options::General_options): Initialize all members.
6414         * options.h: Include <map>
6415         (class General_options): Add --section-start.  Add section_starts_
6416         member.
6417         * layout.cc (Layout::attach_allocated_section_to_segment): If
6418         --section-start was used, set the address of the segment.  Remove
6419         local sort_sections.
6420         (Layout::relaxation_loop_body): If the address of the load segment
6421         has been set by --section-start, don't use it.
6422         * output.h (Output_segment::update_flags_for_output_section): New
6423         function.
6424         * output.cc (Output_segment::add_output_section): Call
6425         update_flags_for_output_section.
6426
6427 2010-01-05  Ian Lance Taylor  <iant@google.com>
6428
6429         PR 10980
6430         * options.h (class General_options): Add --undefined-version.
6431         * script.cc (struct Version_expression): Add was_matched_by_symbol
6432         field.
6433         (Version_script_info::matched_symbol): New function.
6434         (Version_script_info::get_symbol_version_helper): Call
6435         matched_symbol.
6436         (Version_script_info::check_unmatched_names): New function.
6437         * script.h (class Version_script_info): Update declarations.
6438         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6439
6440         * options.h (class General_options): Use DEFINE_bool_alias for
6441         allow_multiple_definition.
6442         * resolve.cc (Symbol_table::should_override): Don't test
6443         allow_multiple_definition.
6444
6445         PR 10980
6446         * options.h (class General_options): Add --cref.
6447         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6448         until after printing cref table.
6449         * cref.cc: Include "symtab.h".
6450         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6451         (Cref_table_compare::operator()): New function.
6452         (Cref_inputs::gather_cref): New function.
6453         (filecol): New static const.
6454         (Cref_inputs::print_cref): New function.
6455         (Cref::print_cref): New function.
6456         * cref.h: Include <cstdio>.
6457         (class Cref): Update declarations.
6458         * mapfile.h (Mapfile::file): New function.
6459         * object.h (class Object): Define Symbols.  Declare virtual
6460         do_get_global_symbols.
6461         (Object::get_global_symbols): New function.
6462         * object.cc (Input_objects::add_object): Pass object to cref_ if
6463         --cref.
6464         (Input_objects::archive_start): Likewise.
6465         (Input_objects::archive_stop): Likewise.
6466         (Input_objects::print_cref): New function.
6467         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6468         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6469         --cref.
6470         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6471         function.
6472         * plugin.h (class Sized_pluginobj): Update declarations.
6473
6474 2010-01-05  Ian Lance Taylor  <iant@google.com>
6475
6476         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6477         to is_default_version.  Rename insdef to insdefault.
6478         (Symbol_table::add_from_relobj): Rename def to is_default_version
6479         and local to is_forced_local.
6480         (Symbol_table::add_from_pluginobj): Likewise.
6481         (Symbol_table::add_from_dynobj): Likewise.
6482         (Symbol_table::define_special_symbol): Rename insdef to
6483         insdefault.
6484
6485 2010-01-04  Ian Lance Taylor  <iant@google.com>
6486
6487         PR 10980
6488         * options.h (class General_options): Add
6489         --allow-multiple-definition and -z muldefs.
6490         * resolve.cc (Symbol_table::should_override): Don't warn about a
6491         multiple symbol definition if --allow-multiple-definition or -z
6492         muldefs.
6493
6494         PR 10980
6495         * options.h (class General_options): Add --add-needed and
6496         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6497         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6498         error if --copy-dt-needed-entries aka --add-needed is used and
6499         would cause a change in behaviour.
6500
6501         PR 10980
6502         * options.h (class General_options): Add -G as a short version of
6503         --shared.  Add no-op options -assert, -g, and -i.
6504
6505 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6506
6507         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6508         check for .text or .gnu.linkonce.t sections.
6509         * icf.cc (Icf::find_identical_sections): Ditto.
6510         Change the detection for mangled function name within the section
6511         name.
6512         * icf.h (is_section_foldable_candidate): New function.
6513
6514 2009-12-30  Ian Lance Taylor  <iant@google.com>
6515
6516         PR 10980
6517         * options.h (class General_options): Permit two dashes with
6518         --retain-symbols-file.
6519
6520 2009-12-30  Ian Lance Taylor  <iant@google.com>
6521
6522         PR 10979
6523         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6524         don't put the file header and segment headers in the text
6525         segment.
6526
6527         PR 10979
6528         * common.cc (Sort_commons::operator()): Stabilize sort when both
6529         entries are NULL.
6530         (Symbol_table::do_allocate_commons_list): When allocating common
6531         symbols, skip a symbol which is no longer common.
6532         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6533         an object before checking its type.
6534         * testsuite/common_test_2.c: New file.
6535         * testsuite/common_test_3.c: New file.
6536         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6537         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6538         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6539         (common_test_2_pic.o, common_test_2.so): New targets.
6540         (common_test_3_pic.o, common_test_3.so): New targets.
6541         * testsuite/Makefile.in: Rebuild.
6542
6543         PR 10979
6544         * script.cc (read_input_script): If we see a new SECTIONS clause,
6545         and we have added an input section, give an error.
6546         * layout.h (class Layout): Add have_added_input_section function.
6547         Add have_added_input_section_ field.
6548         * layout.cc (Layout::Layout): Initialize
6549         have_added_input_section_.
6550         (Layout::layout): Set have_added_input_section_.
6551         (Layout::layout_eh_frame): Likewise.
6552
6553 2009-12-30  Ian Lance Taylor  <iant@google.com>
6554
6555         PR 10931
6556         * options.h (class General_options): Add --sort-common option.
6557         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6558         * common.cc (Sort_common): Add sort_order parameter to
6559         constructor.  Add sort_order_ field.
6560         (Sort_commons::operator): Check sort_order_.
6561         (Symbol_table::allocate_commons): Determine the sort order.
6562         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6563         Change all callers.
6564         (Symbol_table::do_allocate_commons_list): Likewise.
6565
6566 2009-12-30  Ian Lance Taylor  <iant@google.com>
6567
6568         PR 10916
6569         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6570         symbols from this object, don't change the visibility of an
6571         undefined symbol.
6572         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6573
6574 2009-12-30  Ian Lance Taylor  <iant@google.com>
6575
6576         PR 10861
6577         * script.h (class Version_script_info): Define Language enum.
6578         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6579         new fields globals_, locals_, and is_finalized_.
6580         * script.cc: Various formatting fixes.
6581         (class Parser_closure): Change language_stack_ from a vector of
6582         std::string to one of Version_script_info::Language.  Adjust all
6583         uses accordingly.
6584         (class Lazy_demangler): Remove.
6585         (struct Version_expression): Change language from std::string to
6586         Version_script_info::Language.
6587         (Version_script_info::Version_script_info): New function.
6588         (Version_script_info::~Version_script_info): Don't call clear.
6589         (Version_script_info::finalize): New function.
6590         (Version_script_info::build_lookup_tables): New function.
6591         (Version_script_info::build_expression_list_lookup): New
6592         function.
6593         (Version_script_info::get_symbol_version_helper): Rewrite to use
6594         lookup tables.
6595         (Version_script_info::print_expression_list): Adjust to use
6596         Version_script_info::Language.
6597         (script_push_lex_into_version_mode): Check that the version script
6598         has not been finalized.
6599         (version_script_push_lang): Change language string to
6600         Version_script_info::Language.
6601         * options.cc (Command_line::version_script): New function.
6602         * options.h (class General_options): Add finalize_dynamic_list
6603         function.  Change version_script from declaration to definition.
6604         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6605         * testsuite/version_script.map: Remove duplicate def of foo.
6606         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6607         version_script.map.
6608         * testsuite/Makefile.in: Rebuild.
6609
6610 2009-12-30  Ian Lance Taylor  <iant@google.com>
6611
6612         PR 10843
6613         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6614         if the input symbol index is 0, make the output symbol index 0.
6615
6616 2009-12-30  Ian Lance Taylor  <iant@google.com>
6617
6618         PR 10670
6619         * options.h (class General_options): Add -x/--discard-all.
6620         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6621         --discard-all.  If the local symbol needs a dynamic entry, check
6622         that before handling --discard-locals.
6623
6624 2009-12-30  Ian Lance Taylor  <iant@google.com>
6625
6626         PR 10450
6627         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6628         flags to PF_R.
6629         (Output_segment::add_output_section): Don't change the flags if
6630         the type is PT_TLS.
6631
6632         PR 10450
6633         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6634         GNU hash table if they need a dynamic value.  Otherwise, don't add
6635         them if they are defined in a dynamic object or are forced local.
6636
6637 2009-12-29  Ian Lance Taylor  <iant@google.com>
6638
6639         PR 10450
6640         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6641         .gnu.hash table for a 32-bit target.
6642
6643         PR 10450
6644         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6645         regular and a dynamic object only needs a dynamic symbol table
6646         entry if it is externally visible.
6647
6648         PR 10450
6649         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6650         constructor.  Add global_offset_table_ field.
6651         (Target_i386::got_section): Set global_offset_table_.
6652         (Target_i386::do_finalize_sections): Set global_offset_table_
6653         size.
6654         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6655         in constructor.  Add global_offset_table_ field.
6656         (Target_x86_64::got_section): Set global_offset_table_.
6657         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6658         size.
6659
6660         * layout.cc (Layout::Layout): Initialize increase_relro_.
6661         (Layout::get_output_section): Add is_relro, is_last_relro, and
6662         is_first_non_relro parameters.  Change all callers.
6663         (Layout::choose_output_section): Likewise.
6664         (Layout::add_output_section_data): Likewise.
6665         (Layout::make_output_section): Likewise.
6666         (Layout::set_segment_offsets): Clear increase_relro when using a
6667         linker script.
6668         * layout.h (class Layout): Add increase_relro method.  Add
6669         increase_relro_ field.  Update declarations.
6670         * output.cc (Output_section::Output_section): Initialize
6671         is_last_relro_ and is_first_non_relro_.
6672         (Output_segment::add_output_section): Group relro sections is
6673         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6674         (Output_segment::maximum_alignment): Remove relro handling.
6675         (Output_segment::set_section_addresses): Add increase_relro
6676         parameter.  Change all callers.  Add initial alignment to align
6677         relro sections on separate page.  Remove old relro handling.
6678         (Output_segment::set_section_list_addresses): Remove in_relro
6679         parameter.  Change all callers.
6680         (Output_segment::set_offset): Add increase parameter.  Change all
6681         callers.  Remove old relro handling.
6682         * output.h (class Output_section): Add new methods: is_last_relro,
6683         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6684         Add is_last_relro_ and is_first_non_relro_ fields.
6685         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6686         Create separate .got.plt section.  Call increase_relro.
6687         * x86_64.cc (Target_x86_64::got_section): Likewise.
6688         * testsuite/relro_script_test.t: Add .got.plt.
6689
6690         PR 10450
6691         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6692         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6693         (Layout::finalize): Call set_dynamic_symbol_size.
6694         (Layout::set_dynamic_symbol_size): New function.
6695         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6696         set_dynamic_symbol_size.
6697
6698         PR 10450
6699         * output.h (class Output_section): Add is_entsize_zero_ field.
6700         * output.cc (Output_section::Output_section): Initialize
6701         is_entsize_zero_.
6702         (Output_section::set_entsize): If two different entsizes are
6703         requested, force it to zero.
6704         (Output_section::add_input_section): Set flags for .debug_str
6705         before updating section flags.  Set entsize.
6706         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6707         and SHF_STRING if all input sections have those flags.
6708
6709 2009-12-29   Rafael Espindola  <espindola@google.com>
6710
6711         * main.cc (main): Fix the sys time reporting.
6712         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6713         reporting.
6714
6715 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6716
6717         * options.cc (General_options::parse_version): Allow -v to exit
6718         without an error if there is nothing to link.
6719
6720 2009-12-29  Ian Lance Taylor  <iant@google.com>
6721
6722         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6723         using a version of gcc before 4.1.
6724         * configure: Rebuild.
6725
6726 2009-12-28  Chris Demetriou  <cgd@google.com>
6727
6728         * attributes.cc (Output_attributes_section_data::do_write): Use
6729         std::vector::front rather than std::vector::data.
6730
6731 2009-12-28  Ian Lance Taylor  <iant@google.com>
6732
6733         * symtab.h (class Symbol_table): Add enum Defined.
6734         * resolve.cc (Symbol_table::should_override): Add defined
6735         parameter.  Change all callers.  Test whether object is NULL
6736         before calling a method on it.
6737         (Symbol_table::report_resolve_problem): Add defined parameter.
6738         Change all callers.
6739         (Symbol_table::should_override_with_special): Likewise.
6740         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6741         parameter.  Change all callers.
6742         (Symbol_table::do_define_in_output_data): Likewise.
6743         (Symbol_table::define_in_output_segment): Likewise.
6744         (Symbol_table::do_define_in_output_segment): Likewise.
6745         (Symbol_table::define_as_constant): Likewise.
6746         (Symbol_table::do_define_as_constant): Likewise.
6747         * script.h (class Symbol_assignment): Add is_defsym parameter to
6748         constructor; change all callers.
6749         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6750         parameter.  Change all callers.  Add is_defsym_ field.
6751         (class Parser_closure): Add parsing_defsym parameter to
6752         constructor; change all callers.  Add parsing_defsym accessor
6753         function.  Add parsing_defsym_ field.
6754
6755 2009-12-28  Ian Lance Taylor  <iant@google.com>
6756
6757         * gold.cc (queue_middle_tasks): Fix formatting.
6758         * object.cc (Relobj::is_section_name_included): Likewise.
6759
6760 2009-12-23  Ian Lance Taylor  <iant@google.com>
6761
6762         * i386.cc (Target_i386::do_calls_non_split): Recognize
6763         -fsplit-stack prologue for a function with a static chain.
6764         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6765         -fsplit-stack prologue when using %r11.
6766
6767 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6768
6769         * options.cc (General_options::parse_version): Make -v continue and do
6770         the link like GNU ld does.
6771
6772 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6773
6774         * Makefile.am (CCFILES): Add timer.cc.
6775         (HFILES): Add timer.h.
6776         * configure.ac: Check for sysconf and times.
6777         * main.cc: include timer.h.
6778         (main): Use Timer instead of get_run_time.
6779         * timer.cc: New.
6780         * timer.h: New.
6781         * workqueue.cc: include timer.h.
6782         (Workqueue::find_and_run_task):
6783         Report user, sys and wall time.
6784         * Makefile.in: Regenerate.
6785         * config.in: Regenerate.
6786         * configure: Regenerate.
6787
6788 2009-12-16  Doug Kwan  <dougkwan@google.com>
6789
6790         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6791         sections.
6792         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6793         relaxed input sections.
6794         * output.cc (Output_section::find_relaxed_input_section): Change
6795         return type to Output_relaxed_input_section pointer.  Adjust code
6796         for new type of relaxed_input_section_map_.
6797         * output.h (Output_section::find_relaxed_input_section): Change
6798         return type to Output_relaxed_input_section pointer.
6799         (Output_section::Output_relaxed_input_section_by_input_section_map):
6800         New type.
6801         (Output_section::relaxed_input_section_map_): Change type to
6802         Output_section::Output_relaxed_input_section_by_input_section_map.
6803         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6804         input section.
6805
6806 2009-12-15  Ian Lance Taylor  <iant@google.com>
6807
6808         * layout.cc (Layout::create_shstrtab): Only write out after input
6809         sections if we are compressing debug sections.
6810
6811 2009-12-15  Ian Lance Taylor  <iant@google.com>
6812
6813         * archive.cc (Archive::add_symbols): Only look up a symbol without
6814         a version if there is, in fact, a version.
6815
6816 2009-12-14  Ian Lance Taylor  <iant@google.com>
6817
6818         Revert -Wshadow changes, all changes from:
6819         2009-12-11  Doug Kwan  <dougkwan@google.com>
6820         2009-12-11  Nick Clifton  <nickc@redhat.com>
6821         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6822
6823 2009-12-11  Doug Kwan  <dougkwan@google.com>
6824
6825         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6826         due to -Wshadow.
6827         * attributes.cc (Object_attribute::size): Ditto.
6828         (Attributes_section_data::size): Ditto.
6829         (Attributes_section_data::Attributes_section_data): Ditto.
6830         (Output_attributes_section_data::do_write): Ditto.
6831         * attributes.h (Object_attribute::set_type): Ditto.
6832         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6833
6834 2009-12-11  Nick Clifton  <nickc@redhat.com>
6835
6836         * archive.cc: Fix shadowed variable warnings.
6837         * arm.cc: Likewise.
6838         * compressed_output.cc: Likewise.
6839         * compressed_output.h: Likewise.
6840         * configure: Likewise.
6841         * dwarf_reader.cc: Likewise.
6842         * dynobj.cc: Likewise.
6843         * dynobj.h: Likewise.
6844         * ehframe.cc: Likewise.
6845         * ehframe.h: Likewise.
6846         * errors.cc: Likewise.
6847         * expression.cc: Likewise.
6848         * fileread.cc: Likewise.
6849         * fileread.h: Likewise.
6850         * freebsd.h: Likewise.
6851         * i386.cc: Likewise.
6852         * icf.cc: Likewise.
6853         * incremental.h: Likewise.
6854         * layout.cc: Likewise.
6855         * layout.h: Likewise.
6856         * mapfile.cc: Likewise.
6857         * merge.cc: Likewise.
6858         * merge.h: Likewise.
6859         * object.cc: Likewise.
6860         * object.h: Likewise.
6861         * options.h: Likewise.
6862         * output.cc: Likewise.
6863         * output.h: Likewise.
6864         * parameters.cc: Likewise.
6865         * plugin.cc: Likewise.
6866         * powerpc.cc: Likewise.
6867         * reduced_debug_output.cc: Likewise.
6868         * reduced_debug_output.h: Likewise.
6869         * reloc.cc: Likewise.
6870         * reloc.h: Likewise.
6871         * resolve.cc: Likewise.
6872         * script-sections.cc: Likewise.
6873         * script.cc: Likewise.
6874         * script.h: Likewise.
6875         * sparc.cc: Likewise.
6876         * symtab.cc: Likewise.
6877         * symtab.h: Likewise.
6878         * target-select.cc: Likewise.
6879         * target-select.h: Likewise.
6880         * token.h: Likewise.
6881         * workqueue.cc: Likewise.
6882         * workqueue.h: Likewise.
6883         * x86_64.cc: Likewise.
6884
6885 2009-12-10  Doug Kwan  <dougkwan@google.com>
6886
6887         * arm.cc (attributes.h): New include.
6888         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6889         (Arm_relobj::~Arm_relobj): Delete object pointed by
6890         attributes_section_data_.
6891         (Arm_relobj::attributes_section_data): New method definition.
6892         (Arm_relobj::attributes_section_data_): New data member declaration.
6893         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6894         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6895         attributes_section_data_.
6896         (Arm_dynobj::attributes_section_data): New method definition.
6897         (Arm_dynobj::attributes_section_data_): New data member declaration.
6898         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6899         initialization value of may_use_blx_ to false.
6900         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6901         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6902         object attributes to compute results instead of hard-coding.
6903         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6904         Target_arm::get_secondary_compatible_arch,
6905         Target_arm::set_secondary_compatible_arch
6906         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6907         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6908         New method declarations.
6909         (Target_arm::get_aeabi_object_attribute): New method definition.
6910         (Target_arm::attributes_section_data_): New data member declaration.
6911         (read_arm_attributes_section): New template definition.
6912         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6913         (Arm_dynobj::do_read_symbols): Ditto.
6914         (Target_arm::do_finalize_sections): Merge attributes sections from
6915         input.  Check for BLX use after attributes section merging.
6916         Fix __exidx_start and __exidx_end visibility.  Create an
6917         .ARM.attributes section if necessary.
6918         (Target_arm::get_secondary_compatible_arch,
6919         Target_arm::set_secondary_compatible_arch,
6920         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6921         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6922         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6923         New method definitions.
6924
6925 2009-12-09  Ian Lance Taylor  <iant@google.com>
6926
6927         * plugin.cc (Plugin::load): Don't cast from void* to a function
6928         pointer.
6929
6930 2009-12-09  Ian Lance Taylor  <iant@google.com>
6931
6932         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6933         information fields.
6934
6935 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6936
6937         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6938         Replace two_file_shared_1.so with two_file_shared_2.so.
6939         * testsuite/Makefile.in: Regenerated.
6940
6941 2009-12-08  Doug Kwan  <dougkwan@google.com>
6942
6943         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6944         (HFILES): Add attributes.h and int_encoding.h.
6945         * Makefile.in: Regenerate.
6946         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6947         function definitions to int_encoding.cc
6948         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6949         prototypes to int_encoding.h
6950         * reduced_debug_output.cc (int_encoding.h): New include.
6951         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6952         function definitions to int_encoding.cc
6953         (insert_into_vector, read_from_pointer): Move template definitions to
6954         int_encoding.h
6955         * attributes.cc: New file.
6956         * attributes.h: New file.
6957         * int_encoding.cc: New file.
6958         * int_encoding.h: New file.
6959
6960 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6961
6962         PR gold/11055
6963         * incremental-dump.cc (dump_incremental_inputs): New.
6964         (main): Use dump_incremental_inputs.
6965
6966 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6967
6968         PR gold/10893
6969         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6970         checking elfcpp::STT_FUNC.
6971         (Target_i386::Relocate::relocate): Likewise.
6972         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6973
6974         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6975         symbols from shared libraries into normal FUNC symbols.
6976
6977         * symtab.h (Symbol): Add is_func and use it.
6978
6979 2009-12-05  Doug Kwan  <dougkwan@google.com>
6980
6981         * arm.cc (Target_arm::arm_info): Initialize new fields
6982         attributes_section and attributes_vendor.
6983         * i386.cc (Target_i386::i386_info): Same.
6984         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6985         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6986         fields attributes_section and attributes_vendor.
6987         * sparc.cc (Target_sparc::sparc_info): Same.
6988         * target.h (Target::attributes_section, Target::attributes_vendor,
6989         Target::is_attributes_section, Target::attribute_arg_type,
6990         Target::attributes_order): New method definitions.
6991         (Target::Target_info::attributes_section,
6992         Target::Target_info::attributes_vendor): New fields.
6993         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6994         virtual method definitions.
6995         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6996         attributes_section and attributes_vendor.
6997         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6998
6999 2009-12-05  Doug Kwan  <dougkwan@google.com>
7000
7001         * arm.cc: Update comments about interworking and stub generation.
7002         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7003         considered as non-PIC.
7004         (Arm_relocate_functions::base_abs): Fix formatting.
7005         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7006         of function to use GOT entry address instead of offset.
7007         (Target_arm::Scan::global): Issue an error if a symbol would need a
7008         PLT does not get one because it is untyped.  Remove code to create
7009         dynamic symbols for relative branches.
7010         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7011         takes unsigned integer instead of boolean.
7012
7013 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7014
7015         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7016         (two_file_test_LDADD): Likewise.
7017         (common_test_1_LDADD): Likewise.
7018         (exception_test_LDADD) Likewise.
7019         (weak_test_LDADD): Likewise.
7020         (many_sections_test_LDADD): Likewise.
7021         (initpri1_LDADD): Likewise.
7022         (script_test_1_LDADD): Likewise.
7023         (script_test_2_LDADD): Likewise.
7024         (justsyms_LDADD): Likewise.
7025         (binary_test_LDADD): Likewise.
7026         (large_LDADD): Likewise.
7027         * testsuite/Makefile.in: Regenerated.
7028
7029 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7030
7031         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7032         (Symbol_table::override_with_special): Likewise.
7033         (Symbol_table::add_from_object): Likewise.
7034
7035 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7036
7037         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7038         Don't set the data_offset twice.
7039
7040 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7041
7042         * testsuite/Makefile.in: Regenerate.
7043
7044 2009-12-03  Doug Kwan  <dougkwan@google.com>
7045
7046         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7047         (Target_arm::do_finalize_sections): Add parameter for symbol table
7048         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7049         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7050         parameter for symbol table pointer.
7051         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7052         an additional parameter for a pointer to symbol table.
7053         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7054         parameter for a symbol table pointer.
7055         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7056         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7057         Ditto.
7058         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7059         parameter for a symbol table pointer.
7060
7061 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7062
7063         * incremental.cc (Incremental_inputs_header)
7064         (Incremental_inputs_header_write, Incremental_inputs_entry)
7065         (Incremental_inputs_entry_write): Move ...
7066         * incremental.h (Incremental_inputs_header)
7067         (Incremental_inputs_header_write, Incremental_inputs_entry)
7068         (Incremental_inputs_entry_write): here.
7069
7070 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7071
7072         * incremental.cc (make_sized_incremental_binary): Set the target.
7073         Error if it is incompatible.
7074         * output.h (Output_file): Add filename method.
7075
7076 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7077
7078         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7079         from the get_* methods.
7080
7081 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7082
7083         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7084         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7085         Write 0 for the data_offset of scripts.
7086
7087 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7088
7089         * testsuite/Makefile.am: Add the incremental_test.sh test.
7090         * testsuite/incremental_test.sh: New.
7091         * testsuite/incremental_test_1.c: New.
7092         * testsuite/incremental_test_2.c: New.
7093
7094 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7095
7096        * incremental-dump.cc (main): Fix typos.
7097
7098 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7099
7100         PR gold/11025
7101         * incremental-dump.cc (main): Use llu to print 64 bit values.
7102
7103 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7104             H.J. Lu  <hongjiu.lu@intel.com>
7105
7106         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7107         $(LIBDL).
7108         (incremental_dump_LDADD): Likewise.
7109         * Makefile.in: Regenerated.
7110
7111 2009-11-25  Doug Kwan  <dougkwan@google.com>
7112
7113         Revert:
7114
7115         2009-11-25  Doug Kwan  <dougkwan@google.com>
7116
7117                 * arm.cc (Target_arm::Target_arm): Move method definition
7118                 outside of class definition.  Add code to handle
7119                 --target1-rel, --target1-abs and --target2= options.
7120                 (Target_arm::get_reloc_reloc_type): Change method to be
7121                 non-static and const.
7122                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7123                 New data member declaration.
7124                 (Target_arm::Scan::local, Target_arm::Scan::global,
7125                 Target_arm::Relocate::relocate,
7126                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7127                 Adjust call to Target_arm::get_real_reloc_type.
7128                 (Target_arm::get_real_reloc_type): Use command line options
7129                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7130                 * options.h (--target1-rel, --target1-abs, --target2): New
7131                 ARM-only options.
7132
7133 2009-11-25  Doug Kwan  <dougkwan@google.com>
7134
7135         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7136         class definition.  Add code to handle --target1-rel, --target1-abs
7137         and --target2= options.
7138         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7139         and const.
7140         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7141         member declaration.
7142         (Target_arm::Scan::local, Target_arm::Scan::global,
7143         Target_arm::Relocate::relocate,
7144         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7145         call to Target_arm::get_real_reloc_type.
7146         (Target_arm::get_real_reloc_type): Use command line options to
7147         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7148         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7149         options.
7150
7151 2009-11-25  Doug Kwan  <dougkwan@google.com>
7152
7153         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7154         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7155         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7156         formatting.
7157         (Arm_relocate_functions::thm_call): Replace body with a call to
7158         Arm_relocate_functions::thumb_branch_common.
7159         (Arm_relocate_functions::thm_jump24,
7160         Arm_relocate_functions::thm_xpc22): New method definitions.
7161         (Arm_relocate_functions::thumb_branch_common): New method definition.
7162         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7163         operator.
7164         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7165         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7166
7167 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7168
7169         * Makefile.am: Build incremental-dump
7170         * Makefile.in: Regenerate.
7171         * incremental-dump.cc: New.
7172         * incremental.cc (Incremental_inputs_header_data,
7173         Incremental_inputs_entry_data): Move to incremental.h
7174         * incremental.h: (Incremental_inputs_header_data,
7175         Incremental_inputs_entry_data): Move from incremental.cc
7176
7177 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7178
7179         * incremental.cc (Incremental_inputs_header,
7180         Incremental_inputs_header_write, Incremental_inputs_entry,
7181         Incremental_inputs_entry_write): Add a typedef with the data type.
7182
7183 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7184
7185         * incremental.cc (Incremental_inputs_header,
7186         Incremental_inputs_header_write, Incremental_inputs_entry,
7187         Incremental_inputs_entry_write): Update comment about which
7188         type has the filed descriptions.
7189
7190 2009-11-15  Doug Kwan  <dougkwan@google.com>
7191
7192         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7193         (Arm_relocate_functions::arm_branch_common): Change method defintion
7194         in class definition to a method declaration and update list of formal
7195         parameters.
7196         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7197         Arm_relocation_functions::jump24): Adjust call to
7198         Arm_relocate_functions::arm_branch_common.  Update list of formal
7199         parameters.
7200         (Arm_relocate_functions::xpc25): New method definition.
7201         (Arm_relocate_functions::arm_branch_common): Move method defintion
7202         out from class definition.  Use stubs for mode-switching and extending
7203         branch ranges.
7204         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7205         specially.  Change code to enable use of stubs in ARM branches.
7206
7207 2009-11-10  Doug Kwan  <dougkwan@google.com>
7208
7209         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7210         in method declaration.
7211         (Target_arm::relocate_stub): New method declaration.
7212         (Target_arm::default_target): Change to return a pointer instead of
7213         a const reference.
7214         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7215         Target_arm::default_target.
7216         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7217         method definition.
7218         (Target_arm::relocate_section): Adjust view.
7219         (Target_arm::relocate_stub): New method definition.
7220
7221 2009-11-10  Doug Kwan  <dougkwan@google.com>
7222
7223         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7224         a format warning.
7225         * incremental.cc (open_incremental_binary): Initialized local
7226         variables to avoid warnings.
7227         * object.cc (make_elf_object): Ditto.
7228         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7229         a format warning.
7230
7231 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7232
7233         PR gold/10930
7234         * testsuite/plugin_test.c: Include "config.h".
7235
7236 2009-11-09  Doug Kwan  <dougkwan@google.com>
7237
7238         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7239         (arm_symbol_value): Remove.
7240         (Arm_relocate_functions::arm_branch_common,
7241         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7242         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7243         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7244         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7245         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7246         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7247         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7248         Arm_relocate_functions::thm_mobw_abs_nc,
7249         Arm_relocate_functions::thm_mov_abs,
7250         Arm_relocate_functions::movw_prel_nc,
7251         Arm_relocate_functions::thm_movt_abs,
7252         Arm_relocate_functions::movt_prel,
7253         Arm_relocate_functions::thm_movw_prel_nc,
7254         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7255         (Target_arm::Relocate::relocate): Only decompose address into two
7256         parts if relocation type uses the thumb-bit and pass the actual
7257         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7258         calls to methods in Arm_relocate_functions for this change.
7259
7260 2009-11-08  Ian Lance Taylor  <iant@google.com>
7261
7262         PR 10925
7263         * reloc.cc: Instantiate
7264         Sized_relobj::initialize_input_to_output_maps and
7265         Sized_relobj:free_input_to_output_maps.
7266
7267 2009-11-06  Ian Lance Taylor  <iant@google.com>
7268
7269         PR 10876
7270         * defstd.cc (in_segment): Set only_if_ref true for "end".
7271
7272 2009-11-06  Doug Kwan  <dougkwan@google.com>
7273
7274         * arm.cc (class Reloc_stub): Correct a comment.
7275         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7276         (Target_arm::scan_section_for_stubs): New method declaration.
7277         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7278         Change methods from private to protected.
7279         (Target_arm::do_may_relax): New method definition.
7280         (Target_arm::do_relax, Target_arm::group_sections,
7281         Target_arm::scan_reloc_for_stub,
7282         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7283         (Target_arm::arm_input_section_map_): New data member declaration.
7284         (Target_arm::scan_reloc_for_stub,
7285         Target_arm::scan_reloc_section_for_stubs,
7286         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7287         Target_arm::do_relax): New method definitions.
7288
7289 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7290
7291         * configure.ac: Check for (struct stat)::st_mtim
7292         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7293         * config.in: Regenerate.
7294         * configure: Regenerate.
7295
7296 2009-11-05  Ian Lance Taylor  <iant@google.com>
7297
7298         PR 10910
7299         * output.cc (Output_segment::add_output_section): Add missing
7300         return statement.
7301
7302 2009-11-04  Ian Lance Taylor  <iant@google.com>
7303
7304         PR 10880
7305         * object.h (class Object): Add is_needed and set_is_needed
7306         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7307         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7308         defined in a dynamic object and referenced by a regular object,
7309         set is_needed for the dynamic object.
7310         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7311         if the file is marked with as_needed and it is not needed.
7312
7313 2009-11-04  Ian Lance Taylor  <iant@google.com>
7314
7315         PR 10887
7316         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7317         tags if data is discarded by linker script.
7318         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7319         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7320         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7321         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7322
7323 2009-11-04  Ian Lance Taylor  <iant@google.com>
7324
7325         * layout.cc (Layout::get_output_section): Add is_interp and
7326         is_dynamic_linker_section parameters.  Change all callers.
7327         (Layout::choose_output_section): Likewise.
7328         (Layout::make_output_section): Likewise.
7329         (Layout::add_output_section_data): Add is_dynamic_linker_section
7330         parameter.  Change all callers.
7331         * layout.h (class Layout): Update declarations.
7332         * output.h (class Output_section): Add is_interp, set_is_interp,
7333         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7334         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7335         generate_code_fills_at_write_ to a bitfield.
7336         * output.cc (Output_section::Output_sections): Initialize new
7337         fields.
7338         (Output_segment::add_output_section): Add do_sort parameter.
7339         Change all callers.
7340
7341 2009-11-03  Ian Lance Taylor  <iant@google.com>
7342
7343         PR 10860
7344         * options.h (class General_options): Add --warn-common.
7345         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7346         merging two common symbols.
7347         (Symbol_table::should_override): Handle --warn-common when merging
7348         a common symbol with a defined symbol.  Use report_resolve_problem
7349         for multiple definitions.
7350         (Symbol_table::report_resolve_problem): New function.
7351         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7352
7353 2009-11-03  Doug Kwan  <dougkwan@google.com>
7354
7355         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7356         stub_factory_.
7357         (Target_arm::stub_factory): New method definition.
7358         (Target_arm::new_arm_input_section,
7359         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7360         Target_arm::reloc_uses_thumb_bit): New method declarations.
7361         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7362         New type definitions.
7363         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7364         member declarations.
7365         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7366         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7367         New method definitions.
7368
7369 2009-11-03  Ian Lance Taylor  <iant@google.com>
7370
7371         * options.h (class General_options): Add --warn_constructors.
7372
7373 2009-11-03  Ian Lance Taylor  <iant@google.com>
7374
7375         PR 10893
7376         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7377         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7378
7379 2009-11-03  Ian Lance Taylor  <iant@google.com>
7380
7381         PR 10895
7382         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7383         --msgid-bugs-address.
7384         (install-pdf): New target.
7385         (install-data_yes): Look up one directory to find mkinstalldirs.
7386
7387 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7388
7389         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7390         tree.
7391
7392 2009-10-30  Doug Kwan  <dougkwan@google.com>
7393
7394         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7395
7396 2009-10-30  Doug Kwan  <dougkwan@google.com>
7397
7398         * arm.cc (Stub_addend_reader): New struct template definition
7399         and partial specializations.
7400         (Stub_addend_reader::operator()): New method definition for a
7401         partially specialized template.
7402
7403 2009-10-30  Doug Kwan  <dougkwan@google.com>
7404
7405         * arm.cc (Arm_relobj::processor_specific_flags): New method
7406         definition.
7407         (Arm_relobj::do_read_symbols): New method declaration.
7408         (Arm_relobj::processor_specific_flags_): New data member declaration.
7409         (Arm_dynobj): New class definition.
7410         (Target_arm::do_finalize_sections): Add input_objects parameter.
7411         (Target_arm::do_adjust_elf_header): New method declaration.
7412         (Target_arm::are_eabi_versions_compatible,
7413         (Target_arm::merge_processor_specific_flags): New method declaration.
7414         (Target_arm::do_make_elf_object): New overloaded method definitions
7415         and declaration.
7416         (Arm_relobj::do_read_symbols): New method definition.
7417         (Arm_dynobj::do_read_symbols): Ditto.
7418         (Target_arm::do_finalize_sections): Add input_objects parameters.
7419         Merge processor-specific flags from all input objects.
7420         (Target_arm::are_eabi_versions_compatible,
7421         Target_arm::merge_processor_specific_flags,
7422         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7423         New method definitions.
7424         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7425         Input_objects pointer type parameter.
7426         * layout.cc (Layout::finalize): Pass input objects to target's.
7427         finalize_sections function.
7428         * output.cc (Output_file_header::do_sized_write): Set ELF file
7429         header's processor-specific flags.
7430         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7431         Input_objects pointer type parameter.
7432         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7433         * target.h (Input_objects): New forward class declaration.
7434         (Target::processor_specific_flags,
7435         Target::are_processor_specific_flags_sect): New method definitions.
7436         (Target::finalize_sections): Add input_objects parameter.
7437         (Target::Target): Initialize processor_specific_flags_ and
7438         are_processor_specific_flags_set_.
7439         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7440         parameter.
7441         (Target::set_processor_specific_flags): New method definition.
7442         (Target::processor_specific_flags_,
7443         Target::are_processor_specific_flags_set_): New data member
7444         declarations.
7445         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7446         Input_objects pointer type parameter.
7447
7448 2009-10-30  Doug Kwan  <dougkwan@google.com>
7449
7450         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7451
7452 2009-10-28  Ian Lance Taylor  <iant@google.com>
7453
7454         * object.h (class Relobj): Drop options parameter from
7455         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7456         do_scan_relocs, do_relocate.  Change all callers.
7457         (class Sized_relobj): Drop options parameters from
7458         do_gc_process_relocs, do_scan_relocs, do_relocate,
7459         do_relocate_sections, relocate_sections, emit_relocs_scan,
7460         emit_relocs_scan_reltype.  Change all callers.
7461         (struct Relocate_info): Remove options field and all references to
7462         it.
7463         * reloc.h (class Read_relocs): Remove options constructor
7464         parameter and options_ field.  Change all callers.
7465         (class Gc_process_relocs, class Scan_relocs): Likewise.
7466         (class Relocate_task): Likewise.
7467         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7468         all callers.
7469         (scan_relocatable_relocs): Likewise.
7470         * target.h (class Sized_target): Remove options parameter from
7471         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7472         all callers.
7473         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7474         callers.
7475         * arm.cc: Update functions to remove options parameters.
7476         * i386.cc: Likewise.
7477         * powerpc.cc: Likewise.
7478         * sparc.cc: Likewise.
7479         * x86_64.cc: Likewise.
7480         * testsuite/testfile.cc: Likewise.
7481
7482 2009-10-28  Doug Kwan  <dougkwan@google.com>
7483
7484         * arm.cc (Arm_relobj): New class definition.
7485         (Arm_relobj::scan_sections_for_stubs,
7486         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7487         New method definitions.
7488
7489 2009-10-28  Cary Coutant  <ccoutant@google.com>
7490
7491         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7492         (Plugin::cleanup_done_): New member.
7493         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7494         (Plugin_manager::cleanup_done_): Remove.
7495         (Plugin_manager::add_input_file): Edit error message.
7496         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7497         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7498
7499 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7500
7501         * fileread.cc: (File_read::View::~View): Use the new
7502         data_ownership_ filed.
7503         (File_read::~File_read): Dispose the new whole_file_view_.
7504         (File_read::open): Mmap the whole file if needed.
7505         (File_read::open): Use whole_file_view_ instead of contents_.
7506         (File_read::find_view): Use whole_file_view_ if applicable.
7507         (File_read::do_read): Use whole_file_view_ instead of contents_.
7508         (File_read::make_view): Use whole_file_view_ instead of contents_,
7509         update File_read::View::View call.
7510         (File_read::find_or_make_view): Update File_read::View::View
7511         call.
7512         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7513         remove contents_
7514         (File_read::View::Data_ownership): New enum.
7515         (File_read::View::View): Replace bool mapped_ with Data_ownership
7516         argument.
7517         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7518         (File_read::View::data_ownership_): New field.
7519         (File_read::contents_): Remove (replaced by whole_file_view_).
7520         (File_read::whole_file_view_): New field.
7521         * options.h (class General_options): Add --keep-files-mapped.
7522
7523 2009-10-27  Cary Coutant  <ccoutant@google.com>
7524
7525         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7526         * testsuite/Makefile.am (plugin_test_5): New test case.
7527         * testsuite/Makefile.in: Regenerate.
7528
7529 2009-10-25  Doug Kwan  <dougkwan@google.com>
7530
7531         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7532         from private to protected to allow access by child class.
7533         (Sized_relobj::do_relocate_sections): New method declaration.
7534         (Sized_relobj::relocate_sections): Virtualize.
7535         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7536         Sized_relobj::relocate_sections.  Instantiate template explicitly
7537         for different target sizes and endianity.
7538
7539 2009-10-24  Doug Kwan  <dougkwan@google.com>
7540
7541         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7542         (Arm_input_section::as_arm_input_section): New method.
7543         (Arm_output_section): New class definition.
7544         (Arm_output_section::create_stub_group,
7545         Arm_output_section::group_sections): New method definitions.
7546
7547 2009-10-22  Doug Kwan  <dougkwan@google.com>
7548
7549         * arm.cc (Arm_input_section): New class definition.
7550         (Arm_input_section::init, Arm_input_section:do_write,
7551         Arm_input_section::set_final_data_size,
7552         Arm_input_section::do_reset_address_and_file_offset): New method
7553         definitions.
7554
7555 2009-10-21  Doug Kwan  <dougkwan@google.com>
7556
7557         * arm.cc (Stub_table, Arm_input_section): New forward class
7558         declarations.
7559         (Stub_table): New class defintion.
7560         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7561         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7562         New method definition.
7563
7564 2009-10-21  Doug Kwan  <dougkwan@google.com>
7565
7566         * arm.cc: Update copyright comments.
7567         (Target_arm): New forward class template declaration.
7568         (Arm_address): New type.
7569         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7570         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7571         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7572         constants.
7573         (Insn_template): Same.
7574         (DEF_STUBS): New macro.
7575         (Stub_type): New enum type.
7576         (Stub_template): New class definition.
7577         (Stub): Same.
7578         (Reloc_stub): Same.
7579         (Stub_factory): Same.
7580         (Target_arm::Target_arm): Initialize may_use_blx_ and
7581         should_force_pic_veneer_.
7582         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7583         Target_arm::should_force_pic_veneer,
7584         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7585         Target_arm::using_thumb_only, Target_arm:;default_target): New
7586         method defintions.
7587         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7588         New data member declarations.
7589         (Insn_template::size, Insn_template::alignment): New method defintions.
7590         (Stub_template::Stub_template): New method definition.
7591         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7592         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7593         (Stub_factory::Stub_factory): New method definition.
7594         * gold.h (string_hash): New template.
7595         * output.h (Input_section_specifier::hash_value): Use
7596         gold::string_hash.
7597         (Input_section_specifier::string_hash): Remove.
7598         * stringpool.cc (Stringpool_template::string_hash): Use
7599         gold::string_hash.
7600
7601 2009-10-20  Doug Kwan  <dougkwan@google.com>
7602
7603         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7604         symbols of relaxed input sections.
7605         * output.h (Output_section::find_relaxed_input_section): Make
7606         method public.
7607
7608 2009-10-16  Doug Kwan  <dougkwan@google.com>
7609
7610         * dynobj.cc (Versions::Versions): Initialize version_script_.
7611         Only insert base version symbol definition for a shared object
7612         if version script defines any version versions.
7613         (Versions::define_base_version): New method definition.
7614         (Versions::add_def): Check that base version is not needed.
7615         (Versions::add_need): Define base version lazily.
7616         * dynobj.h (Versions::define_base_version): New method declaration.
7617         (Versions::needs_base_version_): New data member declaration.
7618         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7619         (check_DATA): Add no_version_test.stdout.
7620         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7621         New make rules.
7622         * testsuite/Makefile.in: Regenerate.
7623         * testsuite/no_version_test.c: New file.
7624         * testsuite/no_version_test.sh: Ditto.
7625
7626 2009-10-16  Doug Kwan  <dougkwan@google.com>
7627
7628         * expression.cc (class Segment_start_expression): New class definition.
7629         (Segment_start_expression::value): New method definition.
7630         (script_exp_function_segment_start): Return a new
7631         Segment_start_expression.
7632         * gold/script-c.h (script_saw_segment_start_expression): New function
7633         prototype.
7634         * script-sections.cc (Script_sections::Script_sections): Initialize
7635         SAW_SEGMENT_START_EXPRESSION_ to false.
7636         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7637         and -Tbbs options to specify section addresses if given in
7638         command line and no SEGMENT_START expression is seen in a script.
7639         * script-sections.h (Script_sections::saw_segment_start_expression,
7640         Script_sections::set_saw_segment_start_expression): New method
7641         definition.
7642         (Script_sections::saw_segment_start_expression_): New data member
7643         declaration.
7644         * script.cc (script_saw_segment_start_expression): New function.
7645         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7646         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7647         script_test_7.sh and script_test_8.sh.
7648         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7649         script_test_8.stdout.
7650         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7651         (script_test_6, script_test_6.stdout, script_test_7,
7652         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7653         * Makefile.in: Regenerate.
7654         * testsuite/script_test_6.sh: New file.
7655         * testsuite/script_test_6.t: Same.
7656         * testsuite/script_test_7.sh: Same.
7657         * testsuite/script_test_7.t: Same.
7658         * testsuite/script_test_8.sh: Same.
7659
7660 2009-10-16  Doug Kwan  <dougkwan@google.com>
7661
7662         * output.cc (Output_segment::set_section_list_address): Cast
7663         expressions to unsigned long long type to avoid format warnings.
7664
7665 2009-10-15  Ian Lance Taylor  <iant@google.com>
7666
7667         * script.cc (Script_options::add_symbol_assignment): Always add a
7668         dot assignment to script_sections_.
7669         * script-sections.cc (Script_sections::add_dot_assignment):
7670         Initialize if necessary.
7671
7672         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7673         program headers with no load segment if there is a linker script.
7674
7675         * layout.cc (Layout::set_segment_offsets): Align the file offset
7676         to the segment aligment for -N or -n with no load segment.
7677         * output.cc (Output_segment::add_output_section): Don't crash if
7678         the first section is a TLS section.
7679         (Output_segment::set_section_list_addresses): Print an error
7680         message if the address moves backward in a linker script.
7681         * script-sections.cc
7682         (Output_section_element_input::set_section_addresses): Don't
7683         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7684         (Orphan_output_section::set_section_addresses): Likewise.
7685
7686 2009-10-15  Doug Kwan  <dougkwan@google.com>
7687
7688         * layout.cc (Layout::finish_dynamic_section): Generate tags
7689         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7690         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7691         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7692
7693 2009-10-14  Ian Lance Taylor  <iant@google.com>
7694
7695         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7696         fields.
7697         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7698         data_shdr fields of relinfo.
7699         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7700         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7701         R_386_TLS_LDO_32, adjust based on section flags.
7702         (Target_i386::Relocate::fix_up_ldo): Remove.
7703
7704 2009-10-13  Ian Lance Taylor  <iant@google.com>
7705
7706         Add support for -pie.
7707         * options.h (class General_options): Add -pie and
7708         --pic-executable.
7709         (General_options::output_is_position_independent): Test -pie.
7710         (General_options::output_is_executable): Return true if not shared
7711         and not relocatable.
7712         (General_options::output_is_pie): Remove.
7713         * options.cc (General_options::finalize): Reject incompatible uses
7714         of -pie.
7715         * gold.cc (queue_middle_tasks): A -pie link is not static.
7716         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7717         * symtab.cc (Symbol::final_value_is_known): Return false if
7718         output_is_position_independent.
7719         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7720         output_is_position_independent.
7721         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7722         output_is_position_independent.
7723         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7724         output_is_position_independent.
7725         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7726         two_file_pie_test.
7727         (basic_pie_test.o, basic_pie_test): New targets.
7728         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7729         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7730         (two_file_pie_test): New target.
7731         * testsuite/Makefile.in: Rebuild.
7732         * README: Remove note saying that -pie is not supported.
7733
7734 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7735
7736         * options.h (class General_options): Add -init and -fini.
7737         * layout.cc (Layout::finish_dynamic_section): Emit
7738         given init and fini functions.
7739
7740 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7741
7742         * gc.h (gc_process_relocs): Check if icf is enabled using new
7743         function.
7744         * gold.cc (queue_initial_tasks): Likewise.
7745         (queue_middle_tasks): Likewise.
7746         * object.cc (do_layout): Likewise.
7747         * symtab.cc (is_section_folded): Likewise.
7748         * main.cc (main): Likewise.
7749         * reloc.cc (Read_relocs::run): Likewise.
7750         (Sized_relobj::do_scan_relocs): Likewise.
7751         * icf.cc (is_function_ctor_or_dtor): New function.
7752         (Icf::find_identical_sections): Check if function is ctor or dtor when
7753         safe icf is chosen.
7754         * options.h (General_options::icf): Change option to be an enum.
7755         (Icf_status): New enum.
7756         (icf_enabled): New method.
7757         (icf_safe_folding): New method.
7758         (set_icf_status): New method.
7759         (icf_status_): New variable.
7760         * (options.cc) (General_options::finalize): Set icf_status_.
7761         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7762         icf_test and icf_keep_unique_test to use the --icf enum flag.
7763         * testsuite/icf_safe_test.sh: New file.
7764         * testsuite/icf_safe_test.cc: New file.
7765
7766 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7767
7768         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7769         includes to gc.h and icf.h.
7770         * arm.cc: Include gc.h.
7771         * gold.cc: Likewise.
7772         * i386.cc: Likewise.
7773         * powerpc.cc: Likewise.
7774         * sparc.cc: Likewise.
7775         * x86_64.cc: Likewise.
7776         * gc.h: Include icf.h.
7777
7778 2009-10-11  Ian Lance Taylor  <iant@google.com>
7779
7780         * plugin.cc: Include "gold.h" before other header files.
7781
7782 2009-10-10  Chris Demetriou  <cgd@google.com>
7783
7784         * options.h (Input_file_argument::Input_file_type): New enum.
7785         (Input_file_argument::is_lib_): Replace with...
7786         (Input_file_argument::type_): New member.
7787         (Input_file_argument::Input_file_argument): Take Input_file_type
7788         'type' rather than boolean 'is_lib' as second argument.
7789         (Input_file_argument::is_lib): Use type_.
7790         (Input_file_argument::is_searched_file): New function.
7791         (Input_file_argument::may_need_search): Handle is_searched_file.
7792         * options.cc (General_options::parse_library): Support -l:filename.
7793         (General_options::parse_just_symbols): Update for Input_file_argument
7794         changes.
7795         (Command_line::process): Likewise.
7796         * archive.cc (Archive::get_file_and_offset): Likewise.
7797         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7798         * script.cc (read_script_file, script_add_file): Likewise.
7799         * fileread.cc (Input_file::Input_file): Likewise.
7800         (Input_file::will_search_for): Handle is_searched_file.
7801         (Input_file::open): Likewise.
7802         * readsyms.cc (Read_symbols::get_name): Likewise.
7803         * testsuite/Makefile.am (searched_file_test): New test.
7804         * testsuite/Makefile.in: Regenerate.
7805         * testsuite/searched_file_test.cc: New file.
7806         * testsuite/searched_file_test_lib.cc: New file.
7807
7808 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7809             Ian Lance Taylor  <iant@google.com>
7810
7811         * descriptor.cc: Include <cstdio> and "binary-io.h".
7812         (Descriptors::open): Open the files in binary mode always.
7813         * script.cc (Lex::get_token): Treat \r as whitespace.
7814
7815 2009-10-09  Ian Lance Taylor  <iant@google.com>
7816
7817         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7818
7819 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7820             Ian Lance Taylor  <iant@google.com>
7821
7822         * configure.ac: Check for readv function also.
7823         * fileread.cc (readv): Define if not HAVE_READV.
7824         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7825         does not exist.
7826         * config.in: Regenerate.
7827         * configure: Regenerate.
7828
7829 2009-10-09  Doug Kwan  <dougkwan@google.com>
7830
7831         * layout.cc (Layout::make_output_section): Call target hook to make
7832         ordinary output section.
7833         (Layout::finalize): Adjust parameter list of call the
7834         Target::may_relax().
7835         * layout.h (class Layout::section_list): New method.
7836         * merge.h (Output_merge_base::entsize): Change visibility to public.
7837         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7838         New methods.
7839         (Output_merge_string::do_is_string): New method.
7840         * object.cc (Sized_relobj::do_setup): renamed from
7841         Sized_relobj::set_up.
7842         * object.h (Sized_relobj::adjust_shndx,
7843         Sized_relobj::initializ_input_to_output_maps,
7844         Sized_relobj::free_input_to_output_maps): Change visibilities to
7845         protected.
7846         (Sized_relobj::setup): Virtualize.
7847         (Sized_relobj::do_setup): New method declaration.
7848         (Sized_relobj::invalidate_section_offset,
7849         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7850         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7851         * options.cc (parse_int): New function.
7852         * options.h (parse_int): New declaration.
7853         (DEFINE_int): New macro.
7854         (stub_group_size): New option.
7855         * output.cc (Output_section::Output_section): Initialize memebers
7856         merge_section_map_, merge_section_by_properties_map_,
7857         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7858         (Output_section::add_input_section): Handled deferred code-fill
7859         generation and remove an old comment.
7860         (Output_section::add_relaxed_input_section): New method definition.
7861         (Output_section::add_merge_input_section): Use merge section by
7862         properties map to speed to search.  Update merge section maps
7863         as appropriate.
7864         (Output_section::build_relaxation_map): New method definition.
7865         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7866         Same.
7867         (Output_section::relax_input_section): Renamed to
7868         Output_section::convert_input_sections_to_relaxed_sections and change
7869         interface to take a vector of pointers to relaxed sections.
7870         (Output_section::find_merge_section,
7871         Output_section::find_relaxed_input_section): New method definitions.
7872         (Output_section::is_input_address_mapped,
7873         Output_section::output_offset, Output_section::output_address):
7874         Use output section data maps to speed up searching.
7875         (Output_section::find_starting_output_address): Add comments.
7876         (Output_section::do_write,
7877         Output_section::write_to_postprocessing_buffer): Do code-fill
7878         generation as appropriate.
7879         (Output_section::get_input_sections): Invalidate relaxed input section
7880         map.
7881         (Output_section::restore_states): Adjust type of checkpoint .
7882         Invalidate relaxed input section map.
7883         * output.h (Output_merge_base): New class declaration.
7884         (Input_section_specifier): New class defintion.
7885         (class Output_relaxed_input_section) Change base class to
7886         Output_section_data_build.
7887         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7888         base class initializer.
7889         (Output_section::add_relaxed_input_section): New method declaration.
7890         (Output_section::Input_section): Change visibility to protected.
7891         (Output_section::Input_section::relobj,
7892         Output_section::Input_section::shndx): Handle relaxed input sections.
7893         Output_section::input_sections) Change visibility to protected.  Also
7894         define overload to return a non-const pointer.
7895         (Output_section::Merge_section_properties): New class defintion.
7896         (Output_section::Merge_section_by_properties_map,
7897         Output_section::Output_section_data_by_input_section_map,
7898         Output_section::Relaxation_map): New types.
7899         (Output_section::relax_input_section): Rename method to
7900         Output_section::convert_input_sections_to_relaxed_sections and change
7901         interface to take a vector of relaxed section pointers.
7902         (Output_section::find_merge_section,
7903         Output_section::find_relaxed_input_section,
7904         Output_section::build_relaxation_map,
7905         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7906         New method declarations.
7907         (Output_section::merge_section_map_
7908         Output_section::merge_section_by_properties_map_,
7909         Output_section::relaxed_input_section_map_,
7910         Output_section::is_relaxed_input_section_map_valid_,
7911         Output_section::generate_code_fills_at_write_): New data members.
7912         * script-sections.cc
7913         (Output_section_element_input::set_section_addresses): Call
7914         current_data_size and addralign methods of relaxed input sections.
7915         (Orphan_output_section::set_section_addresses): Call current_data_size
7916         and addralign methods of relaxed input sections.
7917         * symtab.cc (Symbol_table::compute_final_value): Extract template
7918         from the body of Symbol_table::sized_finalize_symbol.
7919         (Symbol_table::sized_finalized_symbol): Call
7920         Symbol_table::compute_final_value.
7921         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7922         (Symbol_table::compute_final_value): New templated method declaration.
7923         * target.cc (Target::do_make_output_section): New method defintion.
7924         * target.h (Target::make_output_section): New method declaration.
7925         (Target::relax): Add more parameters for input objects, symbol table
7926         and layout.  Adjust call to do_relax.
7927         (Target::do_make_output_section): New method declaration.
7928         (Target::do_relax): Add parameters for input objects, symbol table
7929         and layout.
7930
7931 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7932
7933         * pread.c: Include stdio.h.
7934
7935 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7936
7937         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7938         defined.
7939
7940 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7941
7942         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7943         Change read_shndx type to unsigned int.
7944         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7945         int.
7946         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7947         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7948         Change read_shndx type to unsigned int.
7949         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7950         int.
7951         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7952         * layout.cc (Layout::create_symtab_sections): Cast the result of
7953         local_symcount * symsize to off_t in the gold_assert.
7954
7955 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7956
7957         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7958         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7959         R_ARM_BASE_ABS.
7960         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7961         (Arm_relocate_functions::thm_abs5): New function.
7962         (Arm_relocate_functions::abs12): New function.
7963         (Arm_relocate_functions::abs16): New function.
7964         (Arm_relocate_functions::base_abs): New function.
7965         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7966         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7967         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7968         R_ARM_BASE_ABS.
7969         (Scan::global): Likewise.
7970         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7971         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7972         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7973         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7974         R_ARM_BASE_ABS.
7975
7976 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7977
7978         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7979         (Arm_relocate_functions::movt_prel): New function.
7980         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7981         (Arm_relocate_functions::thm_movt_prel): New function.
7982         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7983         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7984         (Scan::global, Relocate::relocate): Likewise.
7985         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7986
7987 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7988
7989         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7990         Incremental_checker.
7991         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7992         unsigned int.
7993         (class Incremental_inputs_header): New class.
7994         (Incremental_inputs_header_writer): Edit comment.
7995         (Incremental_inputs_entry): New class.
7996         (Incremental_inputs_entry_writer): Edit comment.
7997         (Sized_incremental_binary::do_find_incremental_inputs_section):
7998         Add *strtab_shndx parameter, fill it.
7999         (Sized_incremental_binary::do_check_inputs): New method.
8000         (Incremental_checker::can_incrementally_link_output_file): Use
8001         Sized_incremental_binary::check_inputs.
8002         (Incremental_inputs::report_command_line): Save command line in
8003         command_line_.
8004         * incremental.h:
8005         (Incremental_binary::find_incremental_inputs_section): New
8006         method.
8007         (Incremental_binary::do_find_incremental_inputs_section): Add
8008         strtab_shndx parameter.
8009         (Incremental_binary::do_check_inputs): New pure virtual method.
8010         (Sized_incremental_binary::do_check_inputs): Declare.
8011         (Incremental_checker::Incremental_checker): Add incremental_inputs
8012         parameter, use it to initialize incremental_inputs_.
8013         (Incremental_checker::incremental_inputs_): New field.
8014         (Incremental_checker::command_line): New method.
8015         (Incremental_checker::inputs): New method.
8016         (Incremental_checker::command_line_): New field.
8017
8018 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8019
8020         * incremental.cc: Include <cstdarg> and "target-select.h".
8021         (vexplain_no_incremental): New function.
8022         (explain_no_incremental): New function.
8023         (Incremental_binary::error): New method.
8024         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8025         method.
8026         (make_sized_incremental_binary): New function.
8027         (open_incremental_binary): New function.
8028         (can_incrementally_link_file): Add checks if output is ELF and has
8029         inputs section.
8030         * incremental.h: Include "elfcpp_file.h" and "output.h".
8031         (Incremental_binary): New class.
8032         (Sized_incremental_binary): New class.
8033         (open_incremental_binary): Declare.
8034         * object.cc (is_elf_object): Use
8035         elfcpp::Elf_recognizer::is_elf_file.
8036         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8037         * output.h (Output_file::filesize): New method.
8038
8039 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8040
8041         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8042         New function.
8043         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8044         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8045         function.
8046         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8047         function.
8048         (Arm_relocate_functions::movw_abs_nc): New function.
8049         (Arm_relocate_functions::movt_abs): New function.
8050         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8051         (Arm_relocate_functions::thm_movt_abs): New function.
8052         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8053         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8054         (Scan::global): Likewise.
8055         (Relocate::relocate): Likewise.
8056         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8057
8058 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8059
8060         * arm.cc (Arm_relocate_functions::got_prel) New function.
8061         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8062         (Relocate::relocate): Likewise.
8063         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8064
8065 2009-10-06  Ian Lance Taylor  <iant@google.com>
8066
8067         * options.h (class General_options): Define
8068         split_stack_adjust_size parameter.
8069         * object.h (class Object): Add uses_split_stack_ and
8070         has_no_split_stack_ fields.  Add uses_split_stack and
8071         has_no_split_stack accessor functions.  Declare
8072         handle_split_stack_section.
8073         (class Reloc_symbol_changes): Define.
8074         (class Sized_relobj): Define Function_offsets.  Declare
8075         split_stack_adjust, split_stack_adjust_reltype, and
8076         find_functions.
8077         * object.cc (Object::handle_split_stack_section): New function.
8078         (Sized_relobj::do_layout): Call handle_split_stack_section.
8079         * dynobj.cc (Sized_dynobj::do_layout): Call
8080         handle_split_stack_section.
8081         * reloc.cc (Sized_relobj::relocate_sections): Call
8082         split_stack_adjust for executable sections in split_stack
8083         objects.  Pass reloc_map to relocate_section.
8084         (Sized_relobj::split_stack_adjust): New function.
8085         (Sized_relobj::split_stack_adjust_reltype): New function.
8086         (Sized_relobj::find_functions): New function.
8087         * target-reloc.h: Include "object.h".
8088         (relocate_section): Add reloc_symbol_changes parameter.  Change
8089         all callers.
8090         * target.h (class Target): Add calls_non_split method.  Declare
8091         do_calls_non_split virtual method.  Declare match_view and
8092         set_view_to_nop.
8093         * target.cc: Include "elfcpp.h".
8094         (Target::do_calls_non_split): New function.
8095         (Target::match_view): New function.
8096         (Target::set_view_to_nop): New function.
8097         * gold.cc (queue_middle_tasks): Give an error if mixing
8098         split-stack and non-split-stack objects with -r.
8099         * i386.cc (Target_i386::relocate_section): Add
8100         reloc_symbol_changes parameter.
8101         (Target_i386::do_calls_non_split): New function.
8102         * x86_64.cc (Target_x86_64::relocate_section): Add
8103         reloc_symbol_changes parameter.
8104         (Target_x86_64::do_calls_non_split): New function.
8105         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8106         parameter.
8107         * powerpc.cc (Target_powerpc::relocate_section): Add
8108         reloc_symbol_changes parameter.
8109         * sparc.cc (Target_sparc::relocate_section): Add
8110         reloc_symbol_changes parameter.
8111         * configure.ac: Call AM_CONDITIONAL for the default target.
8112         * configure: Rebuild.
8113         * testsuite/Makefile.am (TEST_AS): New variable.
8114         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8115         (check_DATA): Add split_i386 and split_x86_64 files.
8116         (SPLIT_DEFSYMS): Define.
8117         (split_i386_[1234n].o): New targets.
8118         (split_i386_[124]): New targets.
8119         (split_i386_[1234r].stdout): New targets.
8120         (split_x86_64_[1234n].o): New targets.
8121         (split_x86_64_[124]): New targets.
8122         (split_x86_64_[1234r].stdout): New targets.
8123         (MOSTLYCLEANFILES): Add new executables.
8124         * testsuite/split_i386.sh: New file.
8125         * testsuite/split_x86_64.sh: New file.
8126         * testsuite/split_i386_1.s: New file.
8127         * testsuite/split_i386_2.s: New file.
8128         * testsuite/split_i386_3.s: New file.
8129         * testsuite/split_i386_4.s: New file.
8130         * testsuite/split_i386_n.s: New file.
8131         * testsuite/split_x86_64_1.s: New file.
8132         * testsuite/split_x86_64_2.s: New file.
8133         * testsuite/split_x86_64_3.s: New file.
8134         * testsuite/split_x86_64_4.s: New file.
8135         * testsuite/split_x86_64_n.s: New file.
8136         * testsuite/testfile.cc (Target_test): Update relocation_section
8137         function.
8138         * testsuite/Makefile.in: Rebuild.
8139
8140 2009-10-06  Ian Lance Taylor  <iant@google.com>
8141
8142         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8143         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8144         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8145         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8146         the address on ldo_addrs_.
8147         (Target_i386::Relocate::fix_up_ldo): New function.
8148
8149 2009-10-06   Rafael Espindola  <espindola@google.com>
8150
8151         * plugin.cc (add_input_library): New.
8152         (Plugin::load): Add add_input_library to tv.
8153         (Plugin_manager::add_input_file): Add the is_lib argument.
8154         (add_input_file): Update call to Plugin_manager::add_input_file.
8155         (add_input_library): New.
8156         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8157
8158 2009-09-30  Doug Kwan  <dougkwan@google.com>
8159
8160         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8161         symbol and call Symbol::may_need_copy_reloc to determine if
8162         a copy reloc is needed.
8163         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8164         nocopyreloc is given in command line.
8165         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8166         given in command line.
8167         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8168         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8169         of the removed Target_i386::may_need_copy_reloc.
8170         * options.h (copyreloc): New option with default value false.
8171         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8172         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8173         instead of the removed Target_powerpc::may_need_copy_reloc.
8174         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8175         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8176         instead of the removed Target_sparc::may_need_copy_reloc.
8177         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8178         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8179         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8180         instead of the removed Target_x86_64::may_need_copy_reloc.
8181
8182 2009-09-30  Ian Lance Taylor  <iant@google.com>
8183
8184         * object.h (class Object): Remove target_ field, and target,
8185         sized_target, and set_target methods.
8186         (Object::sized_target): Remove.
8187         (class Sized_relobj): Update declarations.  Remove sized_target.
8188         * object.cc (Sized_relobj::setup): Remove target parameter.
8189         Change all callers.
8190         (Input_objects::add_object): Don't do anything with the target.
8191         (make_elf_sized_object): Add punconfigured parameter.  Change all
8192         callers.  Set or test parameter target.
8193         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8194         Change all callers.
8195         * parameters.cc (Parameters::set_target): Change parameter type to
8196         be non-const.
8197         (Parameters::default_target): Remove.
8198         (set_parameters_target): Change parameter type to be non-const.
8199         (parameters_force_valid_target): New function.
8200         (parameters_clear_target): New function.
8201         * parameters.h (class Parameters): Update declarations.  Remove
8202         default_target method.  Add sized_target and clear_target
8203         methods.  Change target_ to be non-const.
8204         (set_parameters_target): Update declaration.
8205         (parameters_force_valid_target): Declare.
8206         (parameters_clear_target): Declare.
8207         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8208         as NULL if we aren't searching.
8209         (Add_symbols::run): Don't check for compatible target.
8210         * fileread.cc (Input_file::open_binary): Call
8211         parameters_force_valid_target.
8212         * gold.cc (queue_middle_tasks): Likewise.
8213         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8214         set_target on object.
8215         * dynobj.h (class Sized_dynobj): Update declarations.
8216         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8217         make_elf_object returns NULL.
8218         (Archive::include_member): Don't check whether object target is
8219         compatible.
8220         * output.cc (Output_section::add_input_section): Get target from
8221         parameters.
8222         (Output_section::relax_input_section): Likewise.
8223         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8224         parameters.
8225         (Sized_relobj::do_scan_relocs): Likewise.
8226         (Sized_relobj::relocate_sections): Likewise.
8227         * resolve.cc (Symbol_table::resolve): Likewise.
8228         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8229         parameter.  Change all callers.
8230         (Symbol_table::add_from_object): Get target from parameters.
8231         (Symbol_table::add_from_relobj): Don't check object target.
8232         (Symbol_table::add_from_dynobj): Likewise.
8233         (Symbol_table::define_special_symbol): Get target from
8234         parameters.
8235         * symtab.h (class Symbol_table): Update declaration.
8236         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8237         parameter.  Change all callers.  Clear parameter target.
8238         (Binary_test): Test target here.
8239         * testsuite/object_unittest.cc (gold_testsuite): Remove
8240         target_test_pointer parameter.  Change all callers.
8241         (Object_test): Test target here.
8242
8243 2009-09-26  Ian Lance Taylor  <iant@google.com>
8244
8245         * testsuite/initpri1.c: Don't try to use constructor priorities if
8246         compiling with gcc before 4.3.
8247
8248 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8249
8250         * testsuite/retain_symbols_file_test.sh (check_present): Change
8251         output file name to retain_symbols_file_test.stdout.
8252         (check_absent): Likewise.
8253
8254 2009-09-18  Craig Silverstein  <csilvers@google.com>
8255
8256         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8257         * options.cc: Include <cerrno> and <fstream>.
8258         (General_options::finalize): Parse -retain-symbols-file tag.
8259         * options.h: New flag.
8260         (General_options): New method should_retain_symbol, new
8261         variable symbols_to_retain.
8262         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8263         should_retain_symbol map.
8264         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8265         * testsuite/Makefile.in: Regenerate.
8266         * testsuite/retain_symbols_file_test.sh: New file.
8267
8268 2009-09-18  Nick Clifton  <nickc@redhat.com>
8269
8270         * po/es.po: Updated Spanish translation.
8271
8272 2009-09-17  Doug Kwan  <dougkwan@google.com>
8273
8274         * debug.h (DEBUG_RELAXATION): New constant.
8275         (DEBUG_ALL): Add DEBUG_RELAXATION.
8276         (debug_string_to_enum): Add relaxation debug option.
8277         * layout.cc
8278         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8279         Layout::Relaxation_debug_check::read_sections,
8280         Layout::Relaxation_debug_check::read_sections): New method definitions.
8281         (Layout::Layout): Initialize data members
8282         record_output_section_data_from_scrips_,
8283         script_output_section_data_list_ and relaxation_debug_check_.
8284         (Layout::save_segments, Layout::restore_segments,
8285         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8286         Layout::relaxation_loop_body): New method definitions.
8287         (Layout::finalize): Support relaxation.  Move section layout code to
8288         Layout::relaxation_loop_body.
8289         (Layout::set_asection_address_from_script): Move code for orphan
8290         section placement out.
8291         (Layout::place_orphan_sections_in_script): New method definition.
8292         * layout.h (Output_segment_headers, Output_file_header):
8293         New forward class declarations.
8294         (Layout::~Layout): Define.
8295         (Layout::new_output_section_data_from_script): New method definition.
8296         (Layout::place_orphan_sections_in_script): New method declaration.
8297         (Layout::Segment_states): New type declaration.
8298         (Layout::save_segments, Layout::restore_segments,
8299         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8300         Layout::relaxation_loop_body): New method declarations.
8301         (Layout::Output_section_data_list): New type declaration.
8302         (Layout::Relaxation_debug_check): New class definition.
8303         (Layout::record_output_section_data_from_script_,
8304         Layout::script_output_section_data_list_, Layout::segment_states_,
8305         Layout::relaxation_debug_check_): New data members.
8306         * output.cc: (Output_section_headers::do_size): New method definition.
8307         (Output_section_headers::Output_section_headers): Move size
8308         computation to Output_section_headers::do_size.
8309         (Output_segment_headers::do_size): New method definition.
8310         (Output_file_header::Output_file_header): Move size computation to
8311         Output_file_header::do_size and call it.
8312         (Output_file_header::do_size): New method definition.
8313         (Output_data_group::Output_data_group): Adjust call to
8314         Output_section_data.
8315         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8316         (Output_symtab_xindex::do_write): Add array bound check.
8317         (Output_section::Input_section::print_to_mapfile): Handle
8318         RELAXED_INPUT_SECTION_CODE.
8319         (Output_section::Output_section): Initialize data member checkpoint_.
8320         (Output_section::~Output_section): Delete checkpoint object pointed
8321         by checkpoint_.
8322         (Output_section::add_input_section): Always add an Input_section if
8323         relaxing.
8324         (Output_section::add_merge_input_section): Add assert.
8325         (Output_section::relax_input_section): New method definition.
8326         (Output_section::set_final_data_size): Set load address to zero for
8327         an unallocated section.
8328         (Output_section::do_address_and_file_offset_have_reset_values):
8329         New method definition.
8330         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8331         Handle relaxed input section.
8332         (Output_section::sort_attached_input_sections): Checkpoint input
8333         section list lazily.
8334         (Output_section::get_input_sections): Change type of input_sections to
8335         list of Simple_input_section pointers.  Checkpoint input section list
8336         lazily.  Also handle relaxed input sections.
8337         (Output_section::add_input_section_for_script): Take a reference to
8338         a Simple_input_section object instead of Relobj pointer and section
8339         index as parameter.  Handle relaxed input sections.
8340         (Output_section::save_states, Output_section::restore_states): New
8341         method definitions.
8342         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8343         (Output_data::is_data_size_fixed): New method definition.
8344         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8345         if it is fixed.
8346         (Output_data::address_and_file_offset_have_reset_values): New method
8347         definition.
8348         (Output_data::do_address_and_file_offset_have_reset_values): New method
8349         definition.
8350         (Output_data::set_data_size): Check that data size is not fixed.
8351         (Output_data::fix_data_size): New method definition.
8352         (Output_data::is_data_size_fixed_): New data member.
8353         (Output_section_headers::set_final_data_size): New method definition.
8354         (Output_section_headers::do_size): New method declaration.
8355         (Output_segment_headers::set_final_data_size): New method definition.
8356         (Output_segment_headers::do_size): New method declaration.
8357         (Output_file_header::set_final_data_size)::New method definition.
8358         (Output_file_header::do_size)::New method declaration.
8359         (Output_section_data::Output_section_data): Add new parameter
8360         is_data_size_fixed and use it to fix data size.
8361         (Output_data_const::Output_data_const): Adjust call to base class
8362         constructor and fix data size.
8363         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8364         base class constructor and fix data size.
8365         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8366         base class constructor and fix data size.
8367         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8368         class constructor and fix data size.
8369         (Output_data_group::set_final_data_size): New method definition.
8370         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8371         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8372         class constructor and fix data size.
8373         (Output_relaxed_input_section): New class definition.
8374         (Output_section::Simple_input_section): New class definition.
8375         (Output_section::get_input_sections): Adjust parameter list.
8376         (Output_section::add_input_section_for_script): Same.
8377         (Output_section::save_states, Output_section::restore_states,
8378         Output_section::do_address_and_file_offset_have_reset_values,
8379         (Output_section::Input_section::Input_section): Handle
8380         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8381         Output_relaxed_input_section.
8382         (Output_section::Input_section::is_input_section,
8383         Output_section::Input_section::set_output_section): Handle relaxed
8384         input section.
8385         (Output_section::Input_section::is_relaxed_input_section,
8386         Output_section::Input_section::output_section_data,
8387         Output_section::Input_section::relaxed_input_section): New method
8388         definitions.
8389         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8390         value.
8391         (Output_section::Input_section::u1_): Update comments.
8392         (Output_section::Input_section::u2_): Add new union member poris.
8393         (Output_section::Checkpoint_output_section): New classs definition.
8394         (Output_section::relax_input_section): New method declaration.
8395         (Output_section::checkpoint_): New data member.
8396         (Output_segment): Update comments.
8397         (Output_segment::Output_segment): Un-privatize copy constructor.
8398         (Output_segment::operator=): Un-privatize.
8399         * script-sections.cc (Output_section_element::Input_section_list):
8400         Change element type to Output_section::Simple_input_section.
8401         (Output_section_element_dot_assignment::set_section_addresses):
8402         Register output section data for relaxation clean up.
8403         (Output_data_exression::Output_data_expression): Adjust call to base
8404         constructor to fix data size.
8405         (Output_section_element_data::set_section_addresses): Register
8406         Output_data_expression object for relaxation clean up.
8407         (struct Input_section_info): Replace Relobj pointer and section index
8408         pair with Output_section::Simple_input_section and Convert struct to a
8409         class.
8410         (Input_section_sorter::operator()): Adjust access to
8411         Input_section_info data member to use accessors.
8412         (Output_section_element_input::set_section_addresses): Use layout
8413         parameter.  Adjust code to use Output_section::Simple_input_section
8414         and Input_secction_info classes.  Register filler for relaxation
8415         clean up.
8416         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8417         and section index pair with Output_section::Simple_input_section
8418         class.  Adjust code accordingly.
8419         (Phdrs_element::release_segment): New method definition.
8420         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8421         segment list.
8422         (Script_sections::release_segments): New method definition.
8423         * gold/script-sections.h (Script_sections::release_segments): New
8424         method declaration.
8425         * gold/target.h (Target::may_relax, Target::relax,
8426         Target::do_may_relax, Target::do_relax): New method definitions.
8427
8428 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8429
8430         * arm.cc (has_signed_unsigned_overflow): New function.
8431         (Arm_relocate_functions::abs8): New function.
8432         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8433         (Target_arm::Scan::global): Likewise.
8434         (Target_arm::relocate::relocate): Likewise.
8435         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8436         Likewise.
8437
8438 2009-09-16  Cary Coutant  <ccoutant@google.com>
8439
8440         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8441         * testsuite/Makefile.in: Regenerate.
8442
8443 2009-09-11  Nick Clifton  <nickc@redhat.com>
8444
8445         * po/gold.pot: Updated by the Translation project.
8446
8447 2009-09-08  Cary Coutant  <ccoutant@google.com>
8448
8449         * output.cc (Output_file::open): Add execute permission to empty file.
8450         * testsuite/Makefile.am (permission_test): New test.
8451         * testsuite/Makefile.in: Regenerate.
8452
8453 2009-09-02  Ian Lance Taylor  <iant@google.com>
8454
8455         * output.cc (Output_file::resize): Call map_no_anonymous rather
8456         than map.
8457
8458 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8459
8460         * gold.cc: Include "incremental.h".
8461         (queue_initial_tasks): Call Incremental_checker methods.
8462         * incremental.cc: Include "output.h".
8463         (Incremental_checker::can_incrementally_link_output_file): New
8464         method.
8465         * incremental.h (Incremental_checker): New class.
8466
8467         * output.cc (Output_file::open_for_modification): New method.
8468         (Output_file::map_anonymous): Changed return type to bool.  Record
8469         map in base_ field.
8470         (Output_file::map_no_anonymous): New method, broken out of map.
8471         (Output_file::map): Use map_no_anonymous and map_anonymous.
8472         * output.h (class Output_file): Update declarations.
8473
8474 2009-08-24  Cary Coutant  <ccoutant@google.com>
8475
8476         * options.h (Command_line::Pre_options): New class.
8477         (Command_line::pre_options): New member.
8478         * options.cc (gold::options::ready_to_register): New variable.
8479         (One_option::register_option): Do nothing if not registering options.
8480         Assert if same short option registered twice.
8481         (General_options::General_options): Turn off option registration when
8482         done constructing.
8483         (Command_line::Pre_options::Pre_options): New constructor.
8484
8485 2009-08-24  Cary Coutant  <ccoutant@google.com>
8486
8487         * options.h (General_options::no_keep_memory): Remove incorrect
8488         short option.
8489
8490 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8491
8492         * Makefile.am (am__skiplex, am__skipyacc): New.
8493         * Makefile.in: Regenerate.
8494
8495 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8496
8497         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8498         (INCLUDES): ... this.
8499         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8500         (AM_CPPFLAGS): Renamed from ...
8501         (INCLUDE): ... this.
8502         * Makefile.in, testsuite/Makefile.in: Regenerate.
8503
8504         * Makefile.in: Regenerate.
8505         * aclocal.m4: Likewise.
8506         * config.in: Likewise.
8507         * configure: Likewise.
8508         * testsuite/Makefile.in: Likewise.
8509
8510         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8511         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8512         * Makefile.in: Regenerate.
8513         * testsuite/Makefile.in: Regenerate.
8514
8515 2009-08-19  Cary Coutant  <ccoutant@google.com>
8516
8517         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8518         symbols in shared libraries overridden by hidden or internal symbols
8519         in the main program.
8520
8521 2009-08-19  Chris Demetriou  <cgd@google.com>
8522
8523         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8524         checking source file names in error messages.
8525
8526 2009-08-18  Doug Kwan  <dougkwan@google.com>
8527
8528         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8529         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8530         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8531         an elfcpp::Ehdr as parameter.
8532         * object.cc (Object::set_target): Remove the version that looks up
8533         a target and sets it.
8534         (Sized_relobj::setup): Take a Target object instead of
8535         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8536         (make_elf_sized_object): Find target and ask target to
8537         make an ELF object.
8538         * object.h: (Object::set_target): Remove the version that looks up
8539         a target and sets it.
8540         (Sized_relobj::setup): Take a Target object instead of
8541         an elfcpp:Ehdr as parameter.
8542         * target.cc: Include dynobj.h.
8543         (Target::do_make_elf_object_implementation): New.
8544         (Target::do_make_elf_object): New.
8545         * target.h (Target::make_elf_object): New template declaration.
8546         (Target::do_make_elf_object): New method declarations.
8547         (Target::do_make_elf_object_implementation): New template declaration.
8548
8549 2009-08-14  Ian Lance Taylor  <iant@google.com>
8550
8551         * gold.h (FUNCTION_NAME): Define.
8552         (gold_unreachable): Use FUNCTION_NAME.
8553
8554 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8555
8556         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8557         symbol in the --keep-unique list is not found.
8558
8559 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8560
8561         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8562         been maked as --keep-unique.
8563         (Icf::unfold_section): New function.
8564         * icf.h (Icf::unfold_section): New function.
8565         * options.h (General_options::keep_unique): New option.
8566         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8567         * testsuite/Makefile.in: Regenerate.
8568         * testsuite/icf_keep_unique_test.sh: New file.
8569         * testsuite/icf_keep_unique_test.cc: New file.
8570
8571 2009-08-12  Cary Coutant  <ccoutant@google.com>
8572
8573         PR 10471
8574         * resolve.cc (Symbol_table::resolve): Check for references from
8575         dynamic objects to hidden and internal symbols.
8576         * testsuite/Makefile.am (hidden_test.sh): New test.
8577         * testsuite/Makefile.in: Regenerate.
8578         * testsuite/hidden_test.sh: New script.
8579         * testsuite/hidden_test_1.c: New test source.
8580         * testsuite/hidden_test_main.c: New test source.
8581
8582 2009-08-11  Doug Kwan  <dougkwan@google.com>
8583
8584         * arm.cc: Update comments.
8585         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8586         segment to locate the .ARM.exidx section if present.
8587
8588 2009-08-09  Doug Kwan  <dougkwan@google.com>
8589
8590         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8591         patch.
8592
8593 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8594         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8595         compiler warnings.
8596
8597 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8598
8599         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8600         valid tls_segment only for non-debug-section relocations.
8601         * testsuite/Makefile.am: Add gc_tls_test.
8602         * testsuite/Makefile.in: Regenerate.
8603         * testsuite/gc_tls_test.cc: New file.
8604         * testsuite/gc_tls_test.sh: New file.
8605
8606 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8607
8608         * icf.cc: New file.
8609         * icf.h: New file.
8610         * Makefile.am (CCFILES): Add icf.cc.
8611         (HFILES): Add icf.h
8612         * Makefile.in: Regenerate.
8613         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8614         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8615         section, symbol and addend information for the relocs.
8616         * gold.cc (queue_middle_tasks): Call identical code folding.
8617         * gold.h: Add defines for multimap.
8618         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8619         to the call of finalize_local_symbols.
8620         * main.cc (main): Create object of class Icf.
8621         * object.cc (Sized_relobj::do_layout): Allow this function to be
8622         called twice during icf.
8623         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8624         to sections marked as identical by icf.
8625         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8626         when available.
8627         (Sized_relobj::do_section_entsize): New function.
8628         * object.h (Object::section_entsize): New function.
8629         (Object::do_section_entsize): New pure virtual function.
8630         (Relobj::finalize_local_symbols): Add new parameter.
8631         (Relobj::do_section_entsize): New function.
8632         * options.h (General_options::icf): New option.
8633         (General_options::icf_iterations): New option.
8634         (General_options::print_icf_sections): New option.
8635         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8636         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8637         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8638         icf.
8639         * symtab.cc (Symbol_table::is_section_folded): New function.
8640         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8641         to sections marked as identical by icf.
8642         * symtab.h (Symbol_table::set_icf): New function.
8643         (Symbol_table::icf): New function.
8644         (Symbol_table::is_section_folded): New function.
8645         (Symbol_table::icf_): New data member.
8646         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8647         * testsuite/Makefile.am: Add commands to build icf_test.
8648         * testsuite/Makefile.in: Regenerate.
8649         * testsuite/icf_test.sh: New file.
8650         * testsuite/icf_test.cc: New file.
8651
8652 2009-07-24  Chris Demetriou  <cgd@google.com>
8653
8654         * layout.cc (is_compressible_debug_section): Fix incorrect
8655         comment about compressed section names.
8656
8657 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8658
8659         PR 10419
8660         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8661
8662 2009-07-16  Ian Lance Taylor  <iant@google.com>
8663
8664         PR 10400
8665         * layout.h: #include <map>.
8666         (class Kept_section): Change from struct to class.  Add accessors
8667         and setters.  Add section size to Comdat_group mapping.  Change
8668         Comdat_group to std::map.  Add is_comdat_ field.  Add
8669         linkonce_size field in union.
8670         (class Layout): Update declaration of find_or_add_kept_section.
8671         Don't declare find_kept_object.
8672         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8673         parameter.  Add object, shndx, is_comdat, and is_group_name
8674         parameters.  Change all callers.  Adjust for new Kept_section.
8675         (Layout::find_kept_object): Remove.
8676         * object.cc (Sized_relobj::include_section_group): Update use of
8677         Kept_section.  Rename secnum to shndx.  Only record
8678         Kept_comdat_section if sections are the same size.
8679         (Sized_relobj::include_linkonce_section): Update use of
8680         Kept_section.  Only record Kept_comdat_section if sections are the
8681         same size.  Set size of linkonce section.
8682         (Sized_relobj::map_to_kept_section): Update call to
8683         get_kept_comdat_section.
8684         * object.h (class Sized_relobj): Rename fields in
8685         Kept_comdat_section to drop trailing underscores; change object
8686         field to Relobj*.  Change Kept_comdat_section_table to store
8687         struct rather than pointer.
8688         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8689         Add kept_object and kept_shndx parameters.  Change all callers.
8690         (Sized_relobj::get_kept_comdat_section): Change return type to
8691         bool.  Add kept_object and kept_shndx parameters.  Change all
8692         callers.
8693         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8694         Layout::find_or_add_kept_section.
8695
8696 2009-07-09  Ian Lance Taylor  <iant@google.com>
8697
8698         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8699         Reserve space in the hash table.
8700
8701 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8702
8703         * fileread.cc (File_read::get_mtime): New method.
8704         * fileread.h (Timespec): New structure.
8705         (File_read::get_mtime): New method.
8706         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8707         Renamed from timestamp_nsec.
8708         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8709         Elf_Xword.
8710         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8711         timestamp_nsec.
8712         (Incremental_inputs::report_archive): Save mtime; style fix.
8713         (Incremental_inputs::report_obejct): Save mtime; style fix.
8714         (Incremental_inputs::report_script): Save mtime; style fix.
8715         (Incremental_inputs::finalize_inputs): Style fix.
8716         (Incremental_inputs::finalize): Style fix.
8717         (Incremental_inputs::create_input_section_data): Store inputs
8718         mtime.
8719         * incremental.h (Incremental_inputs::report_script): Add mtime
8720         argument.
8721         (Incremental_inputs::Input_info::Input_info): Intialize only one
8722         union member.
8723         (Incremental_inputs::Input_info::archive): Move to nameless
8724         union.
8725         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8726         (Incremental_inputs::Input_info::script): Move to nameless union.
8727         (Incremental_inputs::mtime): New field.
8728         * script.cc (read_input_script): Pass file mtime to
8729         Incremental_input.
8730         * script.h (Script_info::inputs): Style fix.
8731
8732 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8733
8734         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8735         instead of 32.
8736
8737 2009-06-24  Ian Lance Taylor  <iant@google.com>
8738
8739         PR 10156
8740         * layout.cc (Layout::choose_output_section): If we find an
8741         existing section, update the flags.
8742         (Layout::create_notes): New function, broken out of
8743         Layout::finalize.
8744         (Layout::finalize): Don't create note sections.
8745         (Layout::create_note): Don't crash if linker script discards
8746         section.
8747         (Layout::create_gold_note): Likewise.
8748         (Layout::create_build_id): Likewise.  Don't set
8749         after_input_sections on the section.
8750         (Layout::create_executable_stack_info): Remove target parameter.
8751         Change caller.
8752         * layout.h (class Layout): Declare create_notes.  Update
8753         declaration of create_executable_stack_info.
8754         * gold.cc (queue_middle_tasks): Call create_notes.
8755         * output.cc (Output_section::update_flags_for_input_section): Move
8756         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8757         invalid.
8758         * output.h (Output_data::mark_address_invalid): New function.
8759         (class Output_section): Only declare, not define,
8760         update_flags_for_input_section.  Remove set_flags.
8761
8762 2009-06-24  Ian Lance Taylor  <iant@google.com>
8763
8764         * script-sections.cc (Output_section_definition::
8765         set_section_addresses): Rename shadowing local load_address to
8766         laddr.
8767
8768 2009-06-24  Ian Lance Taylor  <iant@google.com>
8769
8770         PR 10244
8771         * reloc.cc (relocate_sections): Skip empty relocation sections.
8772
8773 2009-06-23  Ian Lance Taylor  <iant@google.com>
8774
8775         PR 10156
8776         * layout.cc (Layout::create_note): Use choose_output_section
8777         rather than make_output_section.
8778
8779 2009-06-23  Ian Lance Taylor  <iant@google.com>
8780
8781         PR 10237
8782         * options.cc (General_options::parse_V): Set printed_version_.
8783         (General_options::General_options): Initialize printed_version_.
8784         * options.h (class General_options): Add printed_version_ field.
8785         * gold.cc (queue_initial_tasks): If there are no input files,
8786         don't give a fatal error if we printed the version information.
8787         (queue_middle_tasks): If using -r with a shared object, give a
8788         fatal error rather than an ordinary error.
8789
8790 2009-06-23  Ian Lance Taylor  <iant@google.com>
8791
8792         PR 10219
8793         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8794         (Layout::make_output_section): Set have_stabstr_section_ if we see
8795         a .stab*str section.
8796         (Layout::finalize): Call link_stabs_sections.
8797         (Layout::link_stabs_sections): New file.
8798         * layout.h (class Layout): Add have_stabstr_section_ field.
8799         Declare link_stabs_sections.
8800
8801 2009-06-23  Doug Kwan  <dougkwan@google.com>
8802
8803         * Makefile.am (libgold_a_LIBADD): New.
8804         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8805         * Makefile.in: Regenerate.
8806         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8807         * configure: Regenerate.
8808         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8809         * fileread.cc: Include sys/state.h
8810         * gold.h: Declare memmem and strndup if found missing.
8811         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8812
8813 2009-06-23  Ian Lance Taylor  <iant@google.com>
8814
8815         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8816         * configure: Rebuild.
8817
8818 2009-06-23  Ian Lance Taylor  <iant@google.com>
8819
8820         PR 10147
8821         * object.cc (Object::section_contents): Don't try to get a view if
8822         the section has length zero.
8823         (Object::handle_gnu_warning_section): If the section is empty, use
8824         the name of the section as the warning.
8825
8826 2009-06-23  Ian Lance Taylor  <iant@google.com>
8827
8828         PR 10133
8829         * stringpool.h (class Stringpool_template): Add optimize_ field.
8830         (Stringpool_template::set_optimize): New function.
8831         * stringpool.cc (Stringpool_template::Stringpool_template):
8832         Initialize optimize_ field.
8833         (Stringpool_template::set_string_offsets): Test local optimize
8834         fild rather than parameter.
8835         * layout.cc (Layout::Layout): Call set_optimize on the section
8836         name stringpool.
8837
8838 2009-06-22  Ian Lance Taylor  <iant@google.com>
8839
8840         PR 10030
8841         * yyscript.y: Parse TARGET.
8842         * script.cc (script_set_target): New function.
8843         * script-c.h (script_set_target): Declare.
8844         * options.cc (General_options::string_to_object_format): Rename
8845         from string_to_object_format in anonymous namespace.  Change
8846         callers.
8847         * options.h (class General_options): Declare
8848         string_to_object_format.
8849
8850 2009-06-22  Ian Lance Taylor  <iant@google.com>
8851
8852         * script-sections.cc (Script_sections::create_segments): Don't put
8853         program headers in a PT_LOAD segment if -n or -N.
8854
8855 2009-06-22  Ian Lance Taylor  <iant@google.com>
8856
8857         PR 10141
8858         * options.h (class General_options): Add -z lazy and -z now.  Sort
8859         -z options into alphabetical order.
8860         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8861
8862 2009-06-21  Ian Lance Taylor  <iant@google.com>
8863
8864         * layout.cc (Layout::make_output_section): Call
8865         Target::new_output_section.
8866         (Layout::attach_allocated_section_to_segment): Put large section
8867         sections in a separate load segment with the large segment flag
8868         set.
8869         (Layout::segment_precedes): Sort large data segments after other
8870         load segments.
8871         (align_file_offset): New static function.
8872         (Layout::set_segment_offsets): Use align_file_offset.
8873         * output.h (class Output_section): Add is_small_section_ and
8874         is_large_section_ fields.
8875         (Output_section::is_small_section): New function.
8876         (Output_section::set_is_small_section):  New function.
8877         (Output_section::is_large_section): New function.
8878         (Output_section::set_is_large_section): New function.
8879         (Output_section::is_large_data_section): New function.
8880         (class Output_segment): Add is_large_data_segment_ field.
8881         (Output_segment::is_large_data_segment): New function.
8882         (Output_segment::set_is_large_data_segment): New function.
8883         * output.cc (Output_section::Output_section): Initialize new
8884         fields.
8885         (Output_segment::Output_segment): Likewise.
8886         (Output_segment::add_output_section): Add assertion that large
8887         data sections always go in large data segments.  Force small data
8888         sections to the end of the list of data sections.  Force small BSS
8889         sections to the start of the list of BSS sections.  For large BSS
8890         sections to the end of the list of BSS sections.
8891         * symtab.h (class Symbol): Declare is_common_shndx.
8892         (Symbol::is_defined): Check Symbol::is_common_shndx.
8893         (Symbol::is_common): Likewise.
8894         (class Symbol_table): Define enum Commons_section_type.  Update
8895         declarations.  Add small_commons_ and large_commons_ fields.
8896         * symtab.cc (Symbol::is_common_shndx): New function.
8897         (Symbol_table::Symbol_table): Initialize new fields.
8898         (Symbol_table::add_from_object): Put small and large common
8899         symbols in the right list.
8900         (Symbol_table::sized_finalized_symbol): Check
8901         Symbol::is_common_shndx.
8902         (Symbol_table::sized_write_globals): Likewise.
8903         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8904         common symbol lists.  Don't call do_allocate_commons_list if the
8905         list is empty.
8906         (Symbol_table::do_allocate_commons_list): Remove is_tls
8907         parameter.  Add comons_section_type parameter.  Change all
8908         callers.  Handle small and large common symbols.
8909         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8910         Symbol::is_common_shndx.
8911         * resolve.cc (symbol_to_bits): Likewise.
8912         * target.h (Target::small_common_shndx): New function.
8913         (Target::small_common_section_flags): New function.
8914         (Target::large_common_shndx): New function.
8915         (Target::large_common_section_flags): New function.
8916         (Target::new_output_section): New function.
8917         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8918         small_common_section_flags, and large_common_section_flags
8919         fields.
8920         (Target::do_new_output_section): New virtual function.
8921         * arm.cc (Target_arm::arm_info): Initialize new fields.
8922         * i386.cc (Target_i386::i386_info): Likewise.
8923         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8924         Likewise.
8925         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8926         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8927         (Target_x86_64::do_new_output_section): New function.
8928         * configure.ac: Define conditional MCMODEL_MEDIUM.
8929         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8930         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8931         (large_LDFLAGS): Define.
8932         * testsuite/large.c: New file.
8933         * testsuite/testfile.cc (Target_test::test_target_info):
8934         Initialize new fields.
8935         * configure, testsuite/Makefile.in: Rebuild.
8936
8937 2009-06-05  Doug Kwan  <dougkwan@google.com>
8938
8939         * Makefile.am (CCFILES): Add target.cc.
8940         * Makefile.in: Regenerate.
8941         * i386.cc (class Target_i386): Define new virtual method to
8942         override do_is_local_label_name in parent.
8943         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8944         local symbols if --discard-locals or -X is given.
8945         * options.h (class General_options): Declare new options
8946         '--discard-locals' and '-X' for discarding locals.
8947         * target.h (class Target): Define new methods is_local_label_name.
8948         Declare new virtual method do_is_local_label_name.
8949         * target.cc: New file.
8950         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8951         (check_SCRIPTS): Add discard_locals_test.sh.
8952         (check_DATA): Add discard_local_tests.syms.
8953         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8954         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8955         * testsuite/Makefile.in: Regenerate.
8956         * testsuite/discard_locals_test.c: New file.
8957         * testsuite/discard_locals_test.sh: Same.
8958
8959 2009-06-05  Doug Kwan  <dougkwan@google.com>
8960
8961         * object.cc (Sized_relobj::Sized_relobj): Initialize
8962         discarded_eh_frame_shndx_ to -1U.
8963         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8964         section.
8965         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8966         a discarded .eh_frame section.
8967         (Sized_relobj::do_finalize_local_symbols): Ditto.
8968         * object.h (class Sized_relobj): Declare new member
8969         discarded_eh_frame_shndx_.
8970         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8971         (local_labels_test.o, local_labels_test): New rules.
8972         * testsuite/Makefile.in: Regenerate.
8973
8974 2009-06-04  Doug Kwan  <dougkwan@google.com>
8975
8976         * layout.cc (Layout::section_name_mapping): Add mapping for
8977         special ARM sections.
8978
8979 2009-06-03  Doug Kwan  <dougkwan@google.com>
8980
8981         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8982         (utils::has_overflow): Same.
8983
8984 2009-06-03  Ian Lance Taylor  <iant@google.com>
8985
8986         * layout.cc (Layout::section_name_mapping): New array, replacing
8987         Layout::linkonce_mapping.
8988         (Layout::section_name_mapping_count): New variable, replacing
8989         Layout::linkonce_mapping_count.
8990         (Layout::linkonce_output_name): Remove.
8991         (Layout::output_section_name): Rewrite.
8992         * layout.h (class Layout): Rename Linkonce_mapping to
8993         Section_name_mapping, linkonce_mapping to section_name_mapping,
8994         linkonce_mapping_count to section_name_mapping_count.  Don't
8995         declare linkonce_output_name.
8996
8997 2009-06-03  Doug Kwan  <dougkwan@google.com>
8998
8999         * gold/arm.cc (namespace utils): New.
9000         (Target_arm::reloc_is_non_pic): Define new method.
9001         (class Arm_relocate_functions): New.
9002         (Target_arm::Relocate::relocate): Handle relocation types used by
9003         Android.
9004
9005 2009-06-03  Ian Lance Taylor  <iant@google.com>
9006
9007         * arm.cc (Target_arm::scan::global): Use || instead of |.
9008
9009 2009-06-02  Doug Kwan  <dougkwan@google.com>
9010
9011         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9012         issued_non_pic_error_.
9013         (class Target_arm::Scan): Declare new method check_non_pic.
9014         Define new method symbol_needs_plt_entry.
9015         Declare new data member issued_non_pic_error_.
9016         (class Target_arm::Relocate): Declare new method
9017         should_apply_static_reloc.
9018         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9019         (Target_arm::Scan::check_non_pic): Define new method.
9020         (Target_arm::Scan::local): Handle a small subset of reloc types used
9021         by Android.
9022         (Target_arm::Scan::local): Same.
9023         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9024
9025 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9026
9027         * incremental.cc (Incremental_inputs::report_command_line): Filter
9028         out --incremental-* options.
9029
9030 2009-05-29  Doug Kwan  <dougkwan@google.com>
9031
9032         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9033         template class.
9034         (class Target_arm): Update comment.
9035         (Target_arm::Target_arm): Initialize new data members GOT_,
9036         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9037         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9038         and Target_arm::rel_dyn_section.
9039         Declare new_enum Target_arm::Got_type.
9040         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9041         and DYNBSS_.
9042         Update commments for member do_dynsym_value.
9043         (Target_arm::got_size, Target_arm::plt_section,
9044         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9045         new methods inside class defintion.
9046         (Target_arm::got_section): Define new method.
9047         (Target_arm::rel_dyn_section): Same.
9048         (Output_data_plt_arm): New template class.
9049         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9050         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9051         (Output_data_plt_arm::add_entry): Same.
9052         (Output_data_plt_arm::first_plt_entry): Define new
9053         static data member for PLT instruction template.
9054         (Output_data_plt_arm::plt_entry): Same.
9055         (Output_data_plt_arm::do_write): Define new method.
9056         (Target_arm::make_plt_entry): Same.
9057         (Target_arm::do_finalize_sections): Same.
9058         (Target_arm::do_dynsym_value): Same.
9059
9060 2009-05-28  Doug Kwan  <dougkwan@google.com>
9061
9062         * Makefile.am (TARGETSOURCES): Add arm.cc.
9063         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9064         * Makefile.in: Regenerate.
9065         * arm.cc: New file.
9066         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9067
9068 2009-05-26  Doug Kwan  <dougkwan@google.com>
9069
9070         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9071         (General_options::check_excluded_libs): Strip off directories in
9072         archive name before matching like GNU ld does.
9073         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9074         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9075         (exclude_libs_test_LDFLAGS): Add linker option
9076         -Wl,--exclude-libs,libexclude_libs_test_3
9077         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9078         an explicit archive without using -l.
9079         (alt/libexclude_libs_test_3.a): New make rule.
9080         * testsuite/Makefile.in: Regenerate.
9081         * testsuite/exclude_libs_test.c : Declare lib3_default().
9082         (main): Call it.
9083         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9084         * exclude_libs_test_3.c: New file.
9085
9086 2009-05-26  Nick Clifton  <nickc@redhat.com>
9087
9088         * po/id.po: New Indonesian translation.
9089         * po/gold.pot: Updated template file.
9090
9091 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9092
9093         * testsuite/Makefile.am: Add -ffunction-sections to compile
9094         gc_comdat_test files.  Add -Wl,--gc-sections to build
9095         gc_comdat_test.
9096         * testsuite/Makefile.in: Regenerate.
9097         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9098
9099 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9100
9101         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9102         kept comdat section was garbage collected.
9103         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9104         * testsuite/Makefile.in: Regenerate.
9105         * testsuite/gc_comdat_test.sh: New file.
9106         * testsuite/gc_comdat_test_1.cc: New file.
9107         * testsuite/gc_comdat_test_2.cc: New file.
9108
9109 2009-05-19  Doug Kwan  <dougkwan@google.com>
9110
9111         * archive.cc (Archive::Archive): Move constructor from archive.h
9112         to here.  Initialize no_export_.
9113         (Archive::get_elf_object_for_member): Set no_export flag of object.
9114         * archive.h (Archive::Archive): Move constructor body to
9115         archive.cc.
9116         (Archive::no_export): New method.
9117         (Archive::no_export_): New field.
9118         * object.h (Object::Object): Initialize no_export_ to false.
9119         (Object::no_export, Object::set_no_export): New methods.
9120         (Object::no_export_): New field.
9121         * options.cc (General_options::parse_exclude_libs): New method.
9122         (General_options::check_excluded_libs) Same.
9123         * options.h (exclude_libs): New option.
9124         (General_options::check_excluded_libs): New method declaration.
9125         (General_options::excluded_libs_): New field.
9126         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9127         default or protected visibility if an object has no-export flag set.
9128         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9129         (check_SCRIPTS): Add exclude_libs_test.sh.
9130         (check_DATA): Add exclude_libs_test.syms.
9131         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9132         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9133         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9134         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9135         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9136         libexclude_libs_test_2.a): New rules.
9137         * testsuite/Makefile.in: Regenerate.
9138         * testsuite/exclude_libs_test.c: New file.
9139         * testsuite/exclude_libs_test.sh: Ditto.
9140         * testsuite/exclude_libs_test_1.c: Ditto.
9141         * testsuite/exclude_libs_test_2.c: Ditto.
9142
9143 2009-05-15  Ian Lance Taylor  <iant@google.com>
9144
9145         * configure.ac: Check for declarations for cases where libiberty.h
9146         checks HAVE_DECL_xxx.
9147         * configure, config.in: Rebuild.
9148
9149 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9150
9151         * gold.h (Incremental_argument_list): Remove (invalid) forward
9152         declaration.
9153         * incremental.cc (Incremental_inputs::report_achive): New method.
9154         (Incremental_inputs::report_object): New method.
9155         (Incremental_inputs::report_script): New method.
9156         (Incremental_inputs::finalize_inputs): New method.
9157         (Incremental_inputs::finalize): Call finalize_inputs().
9158         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9159         Create inputs entries.
9160         * incremental.h (Incremental_input_type): New enum.
9161         (Incremental_inputs::Incremental_input): Initialize new fields.
9162         (Incremental_inputs::report_inputs): New method.
9163         (Incremental_inputs::report_achive): New method.
9164         (Incremental_inputs::report_object): New method.
9165         (Incremental_inputs::report_script): New method.
9166         (Incremental_inputs::finalize_inputs): New method.
9167         (Incremental_inputs::Input_info): New struct.
9168         (Incremental_inputs::Input_info_map): New typedef.
9169         (Incremental_inputs::lock_): New field.
9170         (Incremental_inputs::Inputs_): New field.
9171         (Incremental_inputs::Inputs_map): New field.
9172         * main.cc (main): Call Incremental_input::report_inputs.
9173         * options.h (Input_argument_list): Typedef moved from
9174         Input_arguments.
9175         (Input_file_group::Files): Remove, use ::Input_argument_list.
9176         (Input_file_group::Input_argument_list): Remove, use
9177         ::Input_argument_list.
9178         * plugin.cc (Plugin_manager::add_input_file): Add error in
9179         incremental build.
9180         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9181         functions.
9182         * script.cc (read_input_script): Call
9183         Incremental_input::report_script.
9184         * script.h (Script_info): New class.
9185
9186 2009-04-27  Ian Lance Taylor  <iant@google.com>
9187
9188         * x86_64.cc (do_adjust_output_section): Set entsize to
9189         plt_entry_size.
9190
9191 2009-04-23  Elliott Hughes  <enh@google.com>
9192
9193         * output.cc (Output_file::close): After short writes, continue
9194         writing from the correct offset in the buffer being written.
9195
9196 2009-04-23  Chris Demetriou  <cgd@google.com>
9197
9198         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9199         * configure: Regenerate.
9200         * config.in: Regenerate.
9201         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9202         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9203
9204 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9205
9206         * incremental.cc (Incremental_inputs_header_data): Renamed from
9207         Incremental_input_header_data.
9208         (Incremental_inputs_header_data::data_size): New field.
9209         (Incremental_inputs_header_data::put_input_file_count): Renamed
9210         from input_file_count.
9211         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9212         from command_line_offset.
9213         (Incremental_inputs_header_data::put_reserved): Renamed from
9214         put_reserved.
9215         (Incremental_inputs_entry_data): Renamed from
9216         Incremental_input_entry_data.
9217         (Incremental_inputs_entry_data::data_size): New field.
9218         (Incremental_inputs::report_command_line): New method.
9219         (Incremental_inputs::finalize): New method.
9220         (Incremental_inputs::create_incremental_inputs_data): New method.
9221         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9222         * incremental.h: New file.
9223         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9224        (Layout::finalize): Create incremental inputs section in
9225         incremental builds.
9226        (Layout::create_incremental_info_sections): New method.
9227         * layout.h (Layout::incremental_inputs): New method.
9228        (Layout::create_incremental_info_sections): New method.
9229        (Layout::incremental_inputs_): New field.
9230         * main.cc (main): Notify Incremental_input of the command line.
9231
9232 2009-04-01  Ian Lance Taylor  <iant@google.com>
9233             Mikolaj Zalewski  <mikolajz@google.com>
9234
9235         * gold.h (reserve_unordered_map): Define, three versions, one for
9236         each version of Unordered_map.
9237         * layout.cc (Layout::Layout): Remove options parameter.  Add
9238         number_of_input_files parameter.  Don't initialize options_.
9239         Initialize number_of_input_files_ and resized_signatures_.  Move
9240         sections_are_attached_.
9241         (Layout::layout_group): Reserve space for group_signatures_.
9242         (Layout::find_or_add_kept_section): Change name parameter to be a
9243         reference.  Resize signatures_ map when it gets large enough.
9244         (Layout::layout_eh_frame): Use parameters->options() instead of
9245         this->options_.
9246         (Layout::make_output_section): Likewise.
9247         (Layout::attach_allocated_section_to_segment): Likewise.
9248         (Layout::finalize, Layout::create_executable_stack): Likewise.
9249         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9250         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9251         * layout.h (class Layout): Update declarations.  Remove options_
9252         field.  Add number_of_input_files_ and resized_signatures_
9253         fields.  Move sections_are_attached_ field.
9254         * main.cc (main): Pass number of input files to Layout
9255         constructor.  Don't pass options.
9256
9257 2009-03-30  Ian Lance Taylor  <iant@google.com>
9258
9259         * ffsll.c (ffsll): Correct implementation.
9260
9261 2009-03-27  Ian Lance Taylor  <iant@google.com>
9262
9263         * ffsll.c: New file.
9264         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9265         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9266         * ftruncate.c (ftruncate): Declare before definition.
9267         * mremap.c (mremap): Likewise.
9268         * pread.c (pread): Likewise.
9269         * configure, Makefile.in, config.in: Rebuild.
9270
9271         * mremap.c: New file.
9272         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9273         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9274         (mremap): Declare if HAVE_MREMAP is not defined.
9275         * configure, Makefile.in, config.in: Rebuild.
9276
9277 2009-03-27  Cary Coutant  <ccoutant@google.com>
9278
9279         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9280         position independent.
9281         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9282         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9283
9284 2009-03-24  Cary Coutant  <ccoutant@google.com>
9285
9286         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9287         an executable.
9288         (needs_dynamic_reloc): Likewise.
9289
9290 2009-03-24  Ian Lance Taylor  <iant@google.com>
9291
9292         * yyscript.y (file_cmd): Recognize EXTERN.
9293         (extern_name_list, extern_name_list_body): New nonterminals.
9294         * script.cc (script_add_extern): Define.
9295         * script-c.h (script_add_extern): Declare.
9296
9297 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9298
9299         * object.cc (is_elf_object): Define.
9300         * object.h (is_elf_object): Declare.
9301         * archive.cc (Archive::get_elf_object_for_member): Call
9302         is_elf_object.
9303         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9304
9305 2009-03-24  Elliott Hughes  <enh@google.com>
9306
9307         * output.cc (Output_file::map_anonymous): Define.
9308         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9309         try an anonymous one.  Report the size if the mmap fails.
9310         * output.h (class Output_file): Declare map_anonymous.
9311
9312 2009-03-24  Ian Lance Taylor  <iant@google.com>
9313
9314         * target-select.cc (instantiate_target): Don't acquire the lock if
9315         the instantiated_target_ field has already been set.
9316
9317 2009-03-23  Ian Lance Taylor  <iant@google.com>
9318
9319         * gold-threads.h (class Initialize_lock): Define.
9320         * gold-threads.cc (class Initialize_lock_once): Define.
9321         (initialize_lock_control): New static variable.
9322         (initialize_lock_pointer): New static variable.
9323         (initialize_lock_once): New static function.
9324         (Initialize_lock::Initialize_lock): Define.
9325         (Initialize_lock::initialize): Define.
9326         * target-select.h: Include "gold-threads.h".
9327         (class Target_selector): Add lock_ and initialize_lock_ fields.
9328         Don't define instantiate_target, just declare it.
9329         * target-select.cc (Target_selector::Target_selector): Initialize
9330         new fields.
9331         (Target_selector::instantiate_target): Define.
9332         * descriptors.h: Include "gold-threads.h".
9333         (class Descriptors): Add initialize_lock_ field.
9334         * descriptors.cc (Descriptors::Descriptors): Initialize new
9335         field.
9336         (Descriptors::open): Use initialize_lock_ field
9337         * errors.h (class Errors): Add initialize_lock_ field.
9338         * errors.cc (Errors::Errors): Initialize new field.
9339         (Errors::initialize_lock): Use initialize_lock_ field.
9340         * powerpc.cc (class Target_selector_powerpc): Remove
9341         instantiated_target_ field.  In do_recognize call
9342         instantiate_target rather than do_instantiate_target.  In
9343         do_instantiate_target just allocate a new target.
9344         * sparc.cc (class Target_selector_sparc): Likewise.
9345
9346         * freebsd.h: New file.
9347         * i386.cc: Include "freebsd.h".
9348         (Target_i386): Derive from Target_freebsd rather than
9349         Sized_target.
9350         (Target_selector_i386): Derive from Target_selector_freebsd rather
9351         than Target_selector.
9352         * x86_64.cc: Include "freebsd.h".
9353         (Target_x86_64): Derive from Target_freebsd rather than
9354         Sized_target.
9355         (Target_selector_x86_64): Derive from Target_selector_freebsd
9356         rather than Target_selector.
9357         * target.h (class Target): Add adjust_elf_header and
9358         do_adjust_elf_header.
9359         * output.cc (Output_file_header:: do_sized_write): Call target
9360         adjust_elf_header routine.
9361         * configure.tgt: Set targ_osabi.
9362         * configure.ac: Define GOLD_DEFAULT_OSABI.
9363         * parameters.cc (Parameters::default_target): Pass
9364         GOLD_DEFAULT_OSABI to select_target.
9365         * target-select.h (class Target_selector): Make instantiate_target
9366         protected rather than private.
9367         * Makefile.am (HFILES): Add freebsd.h.
9368         * configure, Makefile.in, config.in: Rebuild.
9369
9370         * merge.cc (do_add_input_section): Correct pend value.  Change
9371         message about last entry not being null terminated from error to
9372         warning.
9373
9374 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9375
9376         * incremental.cc: New file.
9377         * Makefile.am (CCFILES): Add incremental.cc.
9378         * Makefile.in: Rebuild.
9379
9380 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9381
9382         * layout.cc (Layout::output_section_name): Preserve names
9383         of '.note.' sections.
9384
9385 2009-03-19  Ian Lance Taylor  <iant@google.com>
9386
9387         * descriptors.cc (Descriptors::open): Check that the options are
9388         valid before using them.
9389
9390 2009-03-18  Ian Lance Taylor  <iant@google.com>
9391
9392         * script-sections.h: Include <list>.
9393         (class Script_sections): Change Sections_elements from std::vector
9394         to std::list.  Typedef public Elements_iterator.  Add
9395         orphan_section_placement_, data_segment_align_start_, and
9396         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9397         field.
9398         * script-sections.cc (class Orphan_section_placement): New class.
9399         (class Sections_element): Add virtual functions is_relro and
9400         orphan_section_init.  Remove virtual function place_orphan_here.
9401         (class Output_section_definition): Add is_relro and
9402         orphan_section_init.  Remove place_orphan_here.
9403         (class Orphan_output_section): Likewise.
9404         (Script_sections::Script_sections): Update for field changes.
9405         (Script_sections::data_segment_align): Set saw_data_segment_align_
9406         and data_segment_align_start_, not data_segment_align_index.
9407         (Script_sections::data_segment_relro_end): Check
9408         saw_data_segment_align_.  Use data_segment_align_start_ rather
9409         than data_segment_align_index_.
9410         (Script_sections::place_orphan): Rewrite to use
9411         Orphan_section_placement.
9412
9413 2009-03-17  Ian Lance Taylor  <iant@google.com>
9414
9415         * archive.cc (Archive::add_symbols): Check for a version attached
9416         to the symbol name in the archive map.
9417         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9418         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9419         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9420         (ver_test_11.a): New target.
9421         * testsuite/Makefile.in: Rebuild.
9422
9423         * configure.ac: Check for chsize and posix_fallocate.  Replace
9424         ftruncate.
9425         * ftruncate.c: New file, from gnulib.
9426         * output.cc (posix_fallocate): Define dummy version if not
9427         HAVE_POSIX_FALLOCATE.
9428         (Output_file::map): Call posix_fallocate rather than lseek and
9429         write.
9430         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9431         * configure, Makefile.in, config.in: Rebuild.
9432
9433 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9434
9435         * layout.h (Layout::create_note): Add section_name parameter.
9436         * layout.cc (Layout::create_note): Likewise.
9437         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9438
9439 2009-03-17  Ian Lance Taylor  <iant@google.com>
9440
9441         * descriptors.cc: Include "options.h".
9442         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9443         (Descriptors::open): Always use O_CLOEXEC when opening a new
9444         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9445         then set FD_CLOEXEC.
9446
9447         * sparc.cc (class Target_sparc): Add has_got_section.
9448         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9449         make sure we have a GOT section.
9450
9451         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9452         (Target_sparc::Scan::local): Likewise.
9453         (Target_sparc::Scan::global): Likewise.
9454         (Target_sparc::Relocate::relocate): Likewise.
9455         (Target_sparc::Relocate::relocate_tls): Likewise.
9456
9457         * symtab.cc (Symbol_table::define_default_version): New function,
9458         broken out of add_from_object.
9459         (Symbol_table::add_from_object): Call define_default_version.
9460         (Symbol_table::define_special_symbol): Add resolve_oldsym
9461         parameter.  Change all callers.  If the version for a symbol comes
9462         from a version script, resolve it with the symbol with the same
9463         name with no version.  Also add the symbol without a version if
9464         appropriate.
9465         (do_define_in_output_data): If resolving with oldsym, don't delete
9466         sym.
9467         (do_define_in_output_segment): Likewise.
9468         (do_define_as_constant): Likewise.
9469         * symtab.h (class Symbol_table): Update declarations.
9470
9471 2009-03-13  Ian Lance Taylor  <iant@google.com>
9472
9473         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9474         (Read_symbols::requeue): New function.
9475         (Read_symbols::do_read_symbols): If make_elf_object fails because
9476         the target type is not configured, and the file was searched for,
9477         issue a warning and retry with the next directory.
9478         (Add_symbols::run): If the file has an incompatible format, and
9479         it was searched for, requeue the Read_symbols task.  On error,
9480         release the object.
9481         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9482         dirindex parameter to constructor.  Change all callers.  Declare
9483         incompatible_warning and requeue.
9484         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9485         input_argument_ and input_group_ fields.  Add them to
9486         constructor.  Change all callers.
9487         (class Read_script): Add dirindex_ field.  Add it to constructor.
9488         Change all callers.
9489         * archive.cc (Archive::setup): Remove input_objects parameter.
9490         Change all callers.
9491         (Archive::get_file_and_offset): Likewise.
9492         (Archive::read_all_symbols): Likewise.
9493         (Archive::read_symbols): Likewise.
9494         (Archive::get_elf_object_for_member): Remove input_objects
9495         parameter.  Add punconfigured parameter.  Change all callers.
9496         (Archive::add_symbols): Change return type to bool.  Check return
9497         value of include_member.
9498         (Archive::include_all_members): Likewise.
9499         (Archive::include_member): Change return type to bool.  Return
9500         false if first included object has incompatible target.  Set
9501         included_member_ field.
9502         (Add_archive_symbols::run): If add_symbols returns false, requeue
9503         Read_symbols task.
9504         * archive.h (class Archive): Add included_member_ field.
9505         Initialize it in constructor.  Add input_file and searched_for
9506         methods.  Update declarations.
9507         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9508         input_argument_ fields.  Add them to constructor.  Change all
9509         callers.
9510         * script.cc: Include "target-select.h".
9511         (class Parser_closure): Add skip_on_incompatible_target_ and
9512         found_incompatible_target_ fields.  Add
9513         skip_on_incompatible_target parameter to constructor.  Change all
9514         callers.  Add methods skip_on_incompatible_target,
9515         clear_skip_on_incompatible_target, found_incompatible_target, and
9516         set_found_incompatible_target.
9517         (read_input_script): Add dirindex parameter.  Change all callers.
9518         If parser finds an incompatible target, requeue Read_symbols
9519         task.
9520         (script_set_symbol): Clear skip_on_incompatible_target in
9521         closure.
9522         (script_add_assertion, script_parse_option): Likewise.
9523         (script_start_sections, script_add_phdr): Likewise.
9524         (script_check_output_format): New function.
9525         * script.h (read_input_script): Update declaration.
9526         * script-c.h (script_check_output_format): Declare.
9527         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9528         (ignore_cmd): Remove OUTPUT_FORMAT.
9529         * fileread.cc (Input_file::Input_file): Add explicit this.
9530         (Input_file::will_search_for): New function.
9531         (Input_file::open): Add pindex parameter.  Change all callers.
9532         * fileread.h (class Input_file): Add input_file_argument method.
9533         Declare will_search_for.  Update declarations.
9534         * object.cc (make_elf_object): Add punconfigured parameter.
9535         Change all callers.
9536         * object.h (class Object): Make input_file public.  Add
9537         searched_for method.
9538         (make_elf_object): Update declaration.
9539         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9540         restart search.
9541         * dirsearch.h (class Dirsearch): Update declaration.
9542         * options.h (class General_options): Add --warn-search-mismatch.
9543         * parameters.cc (Parameters::is_compatible_target): New function.
9544         * parameters.h (class Parameters): Declare is_compatible_target.
9545         * workqueue.cc (Workqueue::add_blocker): New function.
9546         * workqueue.h (class Workqueue): Declare add_blocker.
9547
9548         * fileread.cc (Input_file::open): Remove options parameter.
9549         Change all callers.
9550         (Input_file::open_binary): Likewise.
9551         * script.cc (read_input_script): Likewise.
9552         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9553         options parameter from constructor.  Change all callers.
9554         (class Read_script): Likewise.
9555         * fileread.h (class Input_file): Update declarations.
9556         * script.h (read_input_script): Update declaration.
9557
9558 2009-03-10  Nick Clifton  <nickc@redhat.com>
9559
9560         * po/es.po: New Spanish translation.
9561
9562 2009-03-06  Cary Coutant  <ccoutant@google.com>
9563
9564         * options.cc (parse_short_option): Keep dash_z from registering itself.
9565
9566 2009-03-03  Ian Lance Taylor  <iant@google.com>
9567
9568         PR 9918
9569         * target-reloc.h (relocate_section): Pass output_section to
9570         relocate.
9571         * i386.cc (Target_i386::should_apply_static_reloc): Add
9572         output_section parameter.  Change all callers.
9573         (Target_i386::Relocate::relocate): Add output_section parameter.
9574         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9575         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9576         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9577         * testsuite/two_file_shared.sh: New script.
9578         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9579         (check_DATA): Add two_file_shared.dbg.
9580         (two_file_shared.dbg): New target.
9581         * testsuite/Makefile.in: Rebuild.
9582
9583 2009-03-01  Ian Lance Taylor  <iant@google.com>
9584
9585         * configure.ac: Check for byteswap.h.
9586         * configure: Rebuild.
9587         * config.in: Rebuild.
9588
9589 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9590
9591         * layout.cc (Layout::find_or_add_kept_section): New function.
9592         (Layout::add_comdat): Removed.
9593         * layout.h (struct Kept_section): Move out of class Layout.
9594         Remove trailing underscores from field names.  Add group_sections
9595         field.  Rename group_ field to is_group.  Change all uses.
9596         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9597         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9598         comdat_groups_ field.
9599         (Sized_relobj::include_section_group): Use
9600         find_or_add_kept_section and Kept_section::group_sections.
9601         (Sized_relobj::include_linkonce_section): Likewise.
9602         * object.cc (class Sized_relobj): Don't define Comdat_group or
9603         Comdat_group_table.  Remove find_comdat_group and
9604         add_comdat_group.  Remove comdat_groups_ field.
9605         * plugin.cc (include_comdat_group): Use
9606         Layout::find_or_add_kept_section.
9607
9608 2009-02-28  Ian Lance Taylor  <iant@google.com>
9609
9610         * README: --gc-sections and map files are now supported.  Document
9611         some build requirements.
9612
9613         PR 6992
9614         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9615         relocatable link set the value of the section symbol to zero.
9616         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9617         relocatable link don't include the section address in the local
9618         symbol value.
9619
9620 2009-02-27  Ian Lance Taylor  <iant@google.com>
9621
9622         PR 6811
9623         * options.h (class Search_directory): Add is_system_directory.
9624         (class General_options): Declare is_in_system_directory.
9625         * options.cc (get_relative_sysroot): Make static.
9626         (get_default_sysroot): Make static.
9627         (General_optoins::is_in_system_directory): New function.
9628         * fileread.cc (Input_file::is_in_system_directory): New function.
9629         * fileread.h (class Input_file): Declare is_in_system_directory.
9630         * object.h (class Object): Add is_in_system_directory.
9631         (class Input_objects): Remove system_library_directory_ field.
9632         * object.cc (Input_objects::add_object): Don't set
9633         system_library_directory_.
9634         (input_objects::found_in_system_library_directory): Remove.
9635         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9636         parameter.  Change all callers.
9637         (Symbol_table::sized_write_globals): Likewise.
9638         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9639         Call Object::is_in_system_directory.
9640         * symtab.h (class Symbol_table): Update declarations.
9641
9642         PR 5990
9643         * descriptors.h (Open_descriptor): Add is_on_stack field.
9644         * descriptors.cc (Descriptors::open): If the descriptor is on the
9645         top of the stack, remove it.  Initialize is_on_stack field.
9646         (Descriptors::release): Only add pod to stack if it is not on the
9647         stack already.
9648         (Descriptors::close_some_descriptor): Clear stack_next and
9649         is_on_stack fields.
9650
9651         PR 7091
9652         * output.cc (Output_section::find_starting_output_address): Rename
9653         from starting_output_address; add PADDR parameter; change return
9654         type.
9655         * output.h (class Output_section): Declare
9656         find_starting_output_address instead of starting_output_address.
9657         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9658         section symbol for which we can't find a merge section.
9659
9660         PR 9836
9661         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9662         hidden or internal, force the symbol to be local.
9663         * resolve.cc (Symbol::override_visibility): Define.
9664         (Symbol::override_base): Use override_visibility.
9665         (Symbol_table::resolve): Likewise.
9666         (Symbol::override_base_with_special): Likewise.
9667         (Symbol_table::override_with_special): If the visibility is hidden
9668         or internal, force the symbol to be local.
9669         * symtab.h (class Symbol): Add set_visibility and
9670         override_visibility.
9671         * testsuite/ver_test_1.sh: New file.
9672         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9673         (check_DATA): Add ver_test_1.syms.
9674         (ver_test_1.syms): New target.
9675         * testsuite/Makefile.in: Rebuild.
9676
9677 2009-02-25  Cary Coutant  <ccoutant@google.com>
9678
9679         * layout.cc (Layout::choose_output_section): Don't rename sections
9680         when using a linker script that has a SECTIONS clause.
9681         * Makefile.in: Regenerate.
9682
9683         * testsuite/Makefile.am (script_test_5.sh): New test case.
9684         * testsuite/Makefile.in: Regenerate.
9685         * testsuite/script_test_5.cc: New file.
9686         * testsuite/script_test_5.sh: New file.
9687         * testsuite/script_test_5.t: New file.
9688
9689 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9690
9691         * archive.cc (Archive::include_member): Update calls to add_symbols.
9692         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9693         the Layout argument.
9694         * dynobj.h (do_add_symbols): Add the Layout argument.
9695         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9696         Layout argument.
9697         * object.h (Object::add_symbols): Add the Layout argument.
9698         (Object::do_add_symbols): Add the Layout argument.
9699         (Sized_relobj::do_add_symbols): Add the Layout argument.
9700         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9701         Unify the two versions.
9702         (Add_plugin_symbols): Remove.
9703         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9704         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9705         (Add_plugin_symbols): Remove.
9706         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9707         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9708         (Add_symbols::run): Make it work with Pulginobj.
9709
9710 2009-02-06  Ian Lance Taylor  <iant@google.com>
9711
9712         * object.cc (Sized_relobj::do_layout): Make info message start
9713         with lower case letter.
9714
9715 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9716
9717         * binary.cc: Fix file comment.
9718
9719         * options.h (enum Incremental_disposition): Define.
9720         (class General_options): Add new options: --incremental,
9721         --incremental_changed, --incremental_unchanged,
9722         --incremental_unknown.  Add incremental_disposition_ and
9723         implicit_incremental_ fields.
9724         (General_options::incremental_disposition): New function.
9725         (class Position_dependent_options): Add incremental_disposition
9726         option.
9727         (Position_dependent_options::copy_from_options): Set incremental
9728         dispositions.
9729         * options.cc (General_options::parse_incremental_changed): New
9730         function.
9731         (General_options::parse_incremental_unchanged): New function.
9732         (General_options::parse_incremental_unknown): New function.
9733         (General_options::General_options): Initialize new fields
9734         incremental_disposition_ and implicit_incremental_.
9735         (General_options::finalize): Check for uasge of --incremental-*
9736         without --incremental.
9737
9738 2009-02-06  Chris Demetriou  <cgd@google.com>
9739
9740         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9741         pointer and to report location as the file name associated with
9742         the symbol.
9743         (gold_undefined_symbol_at_location): New function to replace the
9744         old gold_undefined_symbol functionality.
9745         * target-reloc.h (relocate_section): Update to use
9746         gold_undefined_symbol_at_location.
9747         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9748         Call gold_undefined_symbol function rather than gold_error.
9749         * errors.h (Errors::undefined_symbol): Take location as a
9750         string, rather than calculating it from a relocation.
9751         * errors.cc (Errors::fatal): Print "fatal error:" before the
9752         formatted message.
9753         (Errors::error, Errors::error_at_location): Print "error: "
9754         before the formatted message.
9755         (Errors::undefined_symbol): Take location as a string, rather
9756         than calculating it from a relocation.
9757         (gold_undefined_symbol_at_location): New function akin to
9758         old gold_undefined_symbol, calculates location from relocation.
9759         (gold_undefined_symbol): Change to take only a Symbol pointer
9760         and to report location as the file name associated with the symbol.
9761         * testsuite/debug_msg.sh: Update for changed error messages.
9762         * testsuite/undef_symbol.sh: Likewise.
9763
9764 2009-02-04  Duncan Sands  <baldrick@free.fr>
9765
9766         PR 9812
9767         * reduced_debug_output.h
9768         (Output_reduced_debug_abbrev_section::failed): Use format for
9769         gold_warning.
9770         (Output_reduced_debug_info_section::faild): Likewise.
9771
9772 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9773
9774         * script.cc (Lazy_demangler): New class.
9775         (Version_script_info::get_symbol_version_helper): Demangle a
9776         symbol only once.
9777
9778 2009-01-29  Cary Coutant  <ccoutant@google.com>
9779
9780         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9781         to __tls_get_addr.
9782         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9783
9784 2009-01-28  Ian Lance Taylor  <iant@google.com>
9785
9786         * version.cc (version_string): Bump to 1.9.
9787
9788         * gold.h: Include <cstring> and <stdint.h>.
9789         * version.cc: Include <cstdio>.
9790         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9791         warning.
9792         * reduced_debug_output.cc (insert_into_vector): Rename from
9793         Insert_into_vector; change all callers.  Use Swap_unaligned to
9794         avoid aliasing issue; remove union since it is unnecessary.
9795
9796 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9797
9798         * Makefile.am (CCFILES): Add gc.cc.
9799         (HFILES): Add gc.h.
9800         * Makefile.in: Regenerate.
9801         * gold.cc (Gc_runner): New class.
9802         (queue_initial_tasks): Call garbage collection related tasks
9803         when corresponding options are invoked.
9804         (queue_middle_gc_tasks): New function.
9805         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9806         processed early before laying out sections during garbage collection.
9807         * gold.h (queue_middle_gc_tasks): New function.
9808         (is_prefix_of): Move from "layout.cc".
9809         * i386.cc (Target_i386::gc_process_relocs): New function.
9810         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9811         * main.cc (main): Create object of class "Garbage_collection".
9812         * object.cc (Relobj::copy_symbols_data): New function.
9813         (Relobj::is_section_name_included): New function.
9814         (Sized_relobj::do_layout): Allow this function to be called twice
9815         during garbage collection and defer layout of section during the
9816         first call.
9817         * object.h (Relobj::get_symbols_data): New function.
9818         (Relobj::is_section_name_included): New function.
9819         (Relobj::copy_symbols_data): New function.
9820         (Relobj::set_symbols_data): New function.
9821         (Relobj::get_relocs_data): New function.
9822         (Relobj::set_relocs_data): New function.
9823         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9824         (Relobj::gc_process_relocs): New function.
9825         (Relobj::do_gc_process_relocs): New pure virtual function.
9826         (Relobj::sd_): New data member.
9827         (Sized_relobj::is_output_section_offset_invalid): New function.
9828         (Sized_relobj::do_gc_process_relocs): New function.
9829         * options.h (General_options::gc_sections): Modify to not be a no-op.
9830         (General_options::print_gc_sections): New option.
9831         * plugin.cc (Plugin_finish::run): Remove function call to
9832         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9833         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9834         * reloc.cc (Read_relocs::run): Add task to process relocs and
9835         determine unreferenced sections when doing garbage collection.
9836         (Gc_process_relocs): New class.
9837         (Sized_relobj::do_gc_process_relocs): New function.
9838         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9839         sections that are garbage collected.
9840         * reloc.h (Gc_process_relocs): New class.
9841         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9842         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9843         symbols whose corresponding sections are garbage collected.
9844         (Symbol_table::Symbol_table): Add new parameter for the garbage
9845         collection object.
9846         (Symbol_table::gc_mark_undef_symbols): New function.
9847         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9848         (Symbol_table::gc_mark_dyn_syms): New function.
9849         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9850         as garbage.
9851         (Symbol_table::add_from_object): Likewise.
9852         (Symbol_table::add_from_relobj): When building shared objects, do not
9853         treat externally visible symbols as garbage.
9854         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9855         table information for static and relocatable links.
9856         * symtab.h (Symbol_table::set_gc): New function.
9857         (Symbol_table::gc): New function.
9858         (Symbol_table::gc_mark_undef_symbols): New function.
9859         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9860         (Symbol_table::gc_mark_dyn_syms): New function.
9861         (Symbol_table::gc_): New data member.
9862         * target.h (Sized_target::gc_process_relocs): New pure virtual
9863         function.
9864         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9865         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9866
9867 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9868
9869         * options.h (General_options::gc_sections): Define as a no-op for now.
9870         (General_options::no_keep_memory): Ditto.
9871         (General_options::Bshareable): Define.
9872         * options.cc (General_options::finalize): Honor -Bshareable.
9873
9874 2009-01-20  Andreas Schwab  <schwab@suse.de>
9875
9876         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9877         read the value in the contents, since we don't use it.  Use the
9878         template endianness when writing.
9879         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9880
9881 2009-01-19  Andreas Schwab  <schwab@suse.de>
9882
9883         * configure.tgt (powerpc64-*): Fix targ_obj.
9884
9885 2009-01-15  Ian Lance Taylor  <iant@google.com>
9886
9887         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9888         local symbols when stripping all symbols.
9889
9890 2009-01-14  Cary Coutant  <ccoutant@google.com>
9891
9892         * output.cc (Output_reloc): Add explicit instantiations.
9893
9894 2009-01-14  Cary Coutant  <ccoutant@google.com>
9895
9896         * archive.cc (Archive::get_elf_object_for_member): Remove call
9897         to File_read::claim_for_plugin.
9898         * descriptors.cc (Descriptors::open): Remove reference to
9899         is_claimed.
9900         (Descriptors::claim_for_plugin): Remove.
9901         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9902         (Descriptors::is_claimed): Remove.
9903         (claim_descriptor_for_plugin): Remove.
9904         * fileread.cc (File_read::claim_for_plugin): Remove.
9905         * fileread.h (File_read::claim_for_plugin): Remove.
9906         (File_read::descriptor): Reopen descriptor if necessary.
9907         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9908         (Plugin_manager::all_symbols_read): Add task parameter. Change
9909         all callers.
9910         (Plugin_manager::get_input_file): New function.
9911         (Plugin_manager::release_input_file): New function.
9912         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9913         corresponding data member.
9914         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9915         and pass to base constructor. Change all callers.
9916         (get_input_file, release_input_file): New functions.
9917         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9918         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9919         (Plugin_manager::all_symbols_read): Add task parameter.
9920         (Plugin_manager::get_input_file): New function.
9921         (Plugin_manager::release_input_file): New function.
9922         (Plugin_manager::task_): New data member.
9923         (Pluginobj::Pluginobj): Add filesize parameter.
9924         (Pluginobj::filename): New function.
9925         (Pluginobj::descriptor): New function.
9926         (Pluginobj::filesize): New function.
9927         (Pluginobj::filesize_): New data member.
9928         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9929         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9930         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9931
9932         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9933         with archive libraries.
9934         * testsuite/Makefile.in: Regenerate.
9935         * testsuite/plugin_test.c (struct sym_info): New type.
9936         (get_input_file, release_input_file): New static variables.
9937         (onload): Capture new transfer vector entries.
9938         (claim_file_hook): Stop reading at end of file according to filesize.
9939         Factor out parsing of readelf output into separate function.
9940         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9941         APIs and get the source file name from the symbol table.  Convert
9942         source file name to corresponding object file name.  Print info
9943         message when adding new input files.
9944         (parse_readelf_line): New function.
9945         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9946         * testsuite/plugin_test_2.sh: Likewise.
9947         * testsuite/plugin_test_3.sh: Likewise.
9948         * testsuite/plugin_test_4.sh: New test case.
9949
9950 2009-01-07  Ian Lance Taylor  <iant@google.com>
9951
9952         * version.cc (version_string): Bump to 1.8.
9953
9954 2008-12-23  Cary Coutant  <ccoutant@google.com>
9955
9956         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9957         * plugin.cc (Plugin_manager::finish): Rename as
9958         layout_deferred_objects.  Move cleanup to separate function.
9959         (Plugin_manager::cleanup): New function.
9960         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9961         separately.
9962         * plugin.h (Plugin_manager::finish): Rename as
9963         layout_deferred_objects.
9964         (Plugin_manager::cleanup): New function.
9965         (Plugin_manager::cleanup_done): New field.
9966
9967 2008-12-23  Cary Coutant  <ccoutant@google.com>
9968
9969         * plugin.cc (is_visible_from_outside): New function.
9970         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9971         so we don't return "IR only" status for exported symbols or -r links.
9972
9973         * testsuite/Makefile.am (plugin_test_3): New test case.
9974         * testsuite/Makefile.in: Regenerate.
9975         * testsuite/plugin_test_3.sh: New file.
9976
9977 2008-12-22  Cary Coutant  <ccoutant@google.com>
9978
9979         * object.cc (Sized_relobj::layout_section): New function.
9980         (Sized_relobj::do_layout): Defer layout of input sections until after
9981         plugin has provided replacement files.
9982         (Sized_relobj::do_layout_deferred_sections): New function.
9983         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9984         (Relobj::layout_deferred_sections): New function.
9985         (Relobj::do_layout_deferred_sections): New function.
9986         (Sized_relobj::do_layout_deferred_sections): New function.
9987         (Sized_relobj::layout_section): New function.
9988         (Sized_relobj::Deferred_layout): New structure.
9989         (Sized_relobj::deferred_layout_): New field.
9990         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9991         Change all callers.  Layout deferred sections.
9992         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9993         references.
9994         (Plugin_hook::run): Move code from do_plugin_hook inline.
9995         (Plugin_hook::do_plugin_hook): Remove.
9996         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9997         (Plugin_manager::finish): Renamed, was cleanup.
9998         (Plugin_manager::should_defer_layout): New function.
9999         (Plugin_manager::add_deferred_layout_object): New function.
10000         (Plugin_manager::Deferred_layout_list): New type.
10001         (Plugin_manager::deferred_layout_objects_): New field.
10002         (Plugin_hook::do_plugin_hook): Remove.
10003
10004 2008-12-17  Ian Lance Taylor  <iant@google.com>
10005
10006         * options.h (class General_options): Add --no case for
10007         --export-dynamic.
10008
10009 2008-12-16  Cary Coutant  <ccoutant@google.com>
10010
10011         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10012         vector.
10013         (Plugin_manager::claim_file): Create plugin object even if
10014         plugin did not call the add_symbols callback.
10015         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10016         asking for more symbols than were added.
10017         * testsuite/Makefile.am (plugin_test_1): Add test case with
10018         no global symbols.
10019         (empty.syms): New target.
10020         * testsuite/Makefile.in: Regenerate.
10021         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10022         message. Don't call add_symbols if no globals.
10023         (all_symbols_read_hook): Don't provide replacement for empty
10024         claimed file.
10025
10026 2008-12-12  Ian Lance Taylor  <iant@google.com>
10027
10028         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10029         r_type == 0 for a local symbol with r_sym == 0.
10030         (scan_relocatable_relocs): Pass r_sym to
10031         local_non_section_strategy.
10032         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10033         r_sym parameter.
10034
10035         * configure.ac: Update test for TLS descriptors: they are
10036         supported as of glibc 2.9.
10037         * configure: Rebuild.
10038
10039 2008-12-11  Ian Lance Taylor  <iant@google.com>
10040
10041         PR 7091
10042         * target-reloc.h (Default_scan_relocatable_relocs): For each
10043         function, map r_type == 0 to RELOC_DISCARD.
10044
10045 2008-12-10  Cary Coutant  <ccoutant@google.com>
10046
10047         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10048         object to override a kept COMDAT group from a plugin object.
10049
10050 2008-12-09  Ian Lance Taylor  <iant@google.com>
10051
10052         PR 7088
10053         * yyscript.y (file_cmd): Handle INPUT.
10054
10055         * testsuite/initpri1.c: Change all declarations to be full
10056         prototypes by adding void, to avoid compiler warnings.
10057
10058 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10059
10060         * options.cc (General_options::parse_plugin_opt): New.
10061         (General_options::add_plugin): The argument now is just the filename.
10062         (General_options::add_plugin_option): New.
10063         * options.h (plugin_opt): New.
10064         (add_plugin): Change argument name.
10065         (add_plugin_option): New.
10066         * plugin.cc (Plugin::load): Don't parse the plugin option.
10067         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10068         (Plugin::add_option): New.
10069         (Plugin::args_): Change type.
10070         (Plugin::filename_): New.
10071         (Plugin_manager::add_plugin_option): New.
10072         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10073         * testsuite/Makefile.in: Regenerate.
10074
10075 2008-12-05  Cary Coutant  <ccoutant@google.com>
10076
10077         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10078         Handle --strip-lto-sections option.
10079         * options.h (strip_lto_sections): New option.
10080
10081 2008-12-01  Cary Coutant  <ccoutant@google.com>
10082
10083         * plugin.cc (ld_plugin_message): Change format parameter to const.
10084         Fix mismatch between new[] and delete.
10085
10086 2008-11-14  Cary Coutant  <ccoutant@google.com>
10087
10088         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10089         instead of -1U.
10090
10091 2008-11-05  Craig Silverstein  <csilvers@google.com>
10092
10093         * options.cc (General_options::parse_dynamic_list): New function.
10094         * options.h (General_options): New flags dynamic_list,
10095         dynamic_list_data, dynamic_list_cpp_new, and
10096         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10097         (General_options::in_dynamic_list): New function.
10098         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10099         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10100         (Lex::can_continue_name): Likewise.
10101         (yylex): Likewise.
10102         (read_script_file): New parameter script_options.
10103         (read_dynamic_list): New function.
10104         (Script_options::define_dynamic_list): New function.
10105         (dynamic_list_keyword_parsecodes): New variable.
10106         (dynamic_list_keywords): New variable.
10107         * script.h (Script_options::define_dynamic_list): New function
10108         prototype.
10109         (read_dynamic_list): New function prototype.
10110         * symtab.cc (strprefix): New macro.
10111         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10112         dynamic_list_data, dynamic_list_cpp_new, and
10113         dynamic_list_cpp_typeinfo.
10114         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10115         (dynamic_list_expr): New rule.
10116         (dynamic_list_nodes): Likewise.
10117         (dynamic_list_node): Likewise.
10118         * testsuite/Makefile.am (dynamic_list): New test.
10119         * testsuite/Makefile.in: Regenerated.
10120         * testsuite/dynamic_list.t: New file.
10121         * testsuite/dynamic_list.sh: New file.
10122
10123 2008-11-05  Craig Silverstein  <csilvers@google.com>
10124
10125         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10126         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10127         (t11_last): Likewise.
10128         * testsuite/ver_test_6.c (main): Likewise.
10129
10130 2008-10-07  Cary Coutant  <ccoutant@google.com>
10131
10132         * options.c (General_options::finalize): Add check for -static and
10133         -shared.
10134         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10135         is not empty.
10136
10137 2008-10-02  Cary Coutant  <ccoutant@google.com>
10138
10139         * plugin.cc (make_sized_plugin_object): Fix conditional
10140         compilation to work when not all targets are enabled.
10141
10142 2008-09-29  Cary Coutant  <ccoutant@google.com>
10143
10144         * archive.cc (Archive::get_file_and_offset): Use filename instead
10145         of name to get library path.
10146         (Archive::include_member): Unlock external member of a thin archive.
10147
10148         * testsuite/Makefile.am (TEST_AR): New variable.
10149         (thin_archive_test_1): New test.
10150         (thin_archive_test_2): New test.
10151         * testsuite/Makefile.in: Regenerate.
10152         * testsuite/thin_archive_main.cc: New file.
10153         * testsuite/thin_archive_test_1.cc: New file.
10154         * testsuite/thin_archive_test_2.cc: New file.
10155         * testsuite/thin_archive_test_3.cc: New file.
10156         * testsuite/thin_archive_test_4.cc: New file.
10157
10158 2008-09-29  Cary Coutant  <ccoutant@google.com>
10159
10160         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10161         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10162         instead of -1U.
10163         (Sized_relobj::do_finalize_local_symbols): Likewise.
10164         (Sized_relobj::map_to_kept_section): Likewise.
10165         * object.h (Sized_relobj::invalid_address): New constant.
10166         (Sized_relobj::do_output_section_offset): Check for invalid_address
10167         and return -1ULL.
10168         * output.cc (Output_reloc::local_section_offset): Use constant
10169         invalid_address instead of -1U.
10170         (Output_reloc::get_address): Likewise.
10171         (Output_section::output_address): Change -1U to -1ULL.
10172         * output.h (Output_reloc::invalid_address): New constant.
10173         * reloc.cc (Sized_relobj::write_sections): Use constant
10174         invalid_address instead of -1U.
10175         (Sized_relobj::relocate_sections): Likewise.
10176         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10177         values for merge sections.
10178         * target-reloc.h (relocate_for_relocatable): Use constant
10179         invalid_address instead of -1U.
10180
10181 2008-09-19  Cary Coutant  <ccoutant@google.com>
10182
10183         Add plugin functionality for link-time optimization (LTO).
10184         * configure.ac (plugins): Add --enable-plugins option.
10185         * configure: Regenerate.
10186         * config.in: Regenerate.
10187         * Makefile.am (LIBDL): New variable.
10188         (CCFILES): Add plugin.cc.
10189         (HFILES): Add plugin.h.
10190         (ldadd_var): Add LIBDL.
10191         * Makefile.in: Regenerate.
10192
10193         * archive.cc: Include "plugin.h".
10194         (Archive::setup): Don't preread archive symbols when using a plugin.
10195         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10196         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10197         files.
10198         (Archive::include_member): Add symbols from plugin objects.
10199         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10200         * descriptors.cc (Descriptors::open): Check for file descriptors
10201         abandoned by plugins.
10202         (Descriptors::claim_for_plugin): New function.
10203         * descriptors.h (Descriptors::claim_for_plugin): New function.
10204         (Open_descriptor::is_claimed): New field.
10205         (claim_descriptor_for_plugin): New function.
10206         * fileread.cc (File_read::claim_for_plugin): New function.
10207         * fileread.h (File_read::claim_for_plugin): New function.
10208         (File_read::descriptor): New function.
10209         * gold.cc: Include "plugin.h".
10210         (queue_initial_tasks): Add task to call plugin hooks for generating
10211         new object files.
10212         * main.cc: Include "plugin.h".
10213         (main): Load plugin libraries.
10214         * object.h (Pluginobj): Declare.
10215         (Object::pluginobj): New function.
10216         (Object::do_pluginobj): New function.
10217         (Object::set_target): New function.
10218         * options.cc: Include "plugin.h".
10219         (General_options::parse_plugin): New function.
10220         (General_options::General_options): Initialize plugins_ field.
10221         (General_options::add_plugin): New function.
10222         * options.h (Plugin_manager): Declare.
10223         (General_options): Add --plugin option.
10224         (General_options::has_plugins): New function.
10225         (General_options::plugins): New function.
10226         (General_options::add_plugin): New function.
10227         (General_options::plugins_): New field.
10228         * plugin.cc: New file.
10229         * plugin.h: New file.
10230         * readsyms.cc: Include "plugin.h".
10231         (Read_symbols::do_read_symbols): Check for archive before checking
10232         for ELF file.  Call plugin hooks to claim files.
10233         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10234         from a real object file; force override when processing replacement
10235         files.
10236         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10237         (Symbol::init_base_object): Likewise.
10238         (Symbol::init_base_output_data): Likewise.
10239         (Symbol::init_base_output_segment): Likewise.
10240         (Symbol::init_base_constant): Likewise.
10241         (Symbol::init_base_undefined): Likewise.
10242         (Symbol::output_section): Assert that object is not a plugin.
10243         (Symbol_table::add_from_pluginobj): New function.
10244         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10245         undefined.
10246         (Symbol_table::sized_write_globals): Likewise.
10247         (Symbol_table::add_from_pluginobj): Instantiate template.
10248         * symtab.h (Sized_pluginobj): Declare.
10249         (Symbol::in_real_elf): New function.
10250         (Symbol::set_in_real_elf): New function.
10251         (Symbol::in_real_elf_): New field.
10252         (Symbol_table::add_from_pluginobj): New function.
10253
10254         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10255         (LIBDL): New variable.
10256         (LDADD): Add LIBDL.
10257         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10258         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10259         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10260         (MOSTLYCLEANFILES): Likewise.
10261         * testsuite/Makefile.in: Regenerate.
10262         * testsuite/plugin_test.c: New file.
10263         * testsuite/plugin_test_1.sh: New file.
10264         * testsuite/plugin_test_2.sh: New file.
10265
10266 2008-09-16  Ian Lance Taylor  <iant@google.com>
10267
10268         * target-reloc.h (relocate_section): Check whether a symbol is
10269         defined by the ABI before reporting an undefined symbol error.
10270         * target.h (Target::is_defined_by_abi): Make parameter const.
10271         (Target::do_is_defined_by_abi): Likewise.
10272         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10273         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10274         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10275         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10276         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10277         * testsuite/Makefile.in: Rebuild.
10278
10279         * fileread.cc (make_view): Add casts to avoid warning.
10280
10281 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10282
10283         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10284         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10285
10286 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10287
10288         * options.h (General_options::output_is_executable): New.
10289         (General_options::output_is_pie): New.
10290         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10291         for shared libraries.
10292         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10293
10294 2008-09-11  Chris Demetriou  <cgd@google.com>
10295
10296         * options.h (origin): New -z option.
10297         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10298         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10299         in DT_FLAGS_1.
10300
10301 2008-09-05  Cary Coutant  <ccoutant@google.com>
10302
10303         * fileread.cc (File_read::make_view): Add check for attempt to map
10304         beyond end of file.
10305
10306 2008-09-05  Cary Coutant  <ccoutant@google.com>
10307
10308         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10309         explicit instantiations.
10310
10311 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10312
10313         PR gold/6858
10314         * options.cc (General_options::finalize): Allow undefined symbols
10315         in shlibs if linking -shared.
10316
10317         PR gold/6859
10318         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10319         symbols as not needing a dynsym entry.
10320
10321 2008-08-20  Craig Silverstein  <csilvers@google.com>
10322
10323         * fileread.cc (File_read::open): Do not lock the file unless it
10324         was successfully opened.
10325
10326 2008-08-14  Cary Coutant  <ccoutant@google.com>
10327
10328         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10329         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10330         * testsuite/tls_test.cc (struct int128): 128-bit struct
10331         for testing TLS relocs with non-zero addend.
10332         (v12): New TLS variable.
10333         (t12): New test.
10334         (t_last): Add check for v12.
10335         * testsuite/tls_test.h (t12): New function.
10336         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10337
10338 2008-08-13  Ian Lance Taylor  <iant@google.com>
10339
10340         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10341         set tls_segment_ or relro_segment_.
10342         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10343         when appropriate.
10344         * output.h (Output_section::clear_is_relro): New function.
10345         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10346         sections specially even when output_data_ is empty.
10347         (Output_segment::maximum_alignment): When first section is relro,
10348         only force alignment for PT_LOAD segments.
10349         * script.cc (script_data_segment_align): New function.
10350         (script_data_segment_relro_end): New function.
10351         * script-c.h (script_data_segment_align): Declare.
10352         (script_data_segment_relro_end): Declare.
10353         * script-sections.h (class Script_sections): Declare
10354         data_segment_align and data_segment_relro_end.  Add fields
10355         segment_align_index_ and saw_relro_end_.
10356         * script-sections.cc (class Sections_element): Add set_is_relro
10357         virtual function.  Add new bool* parameter to place_orphan_here.
10358         Add get_output_section virtual function.
10359         (class Output_section_definition): Add set_is_relro.  Add new
10360         bool* parameter to place_orphan_here.  Add get_output_section.
10361         Add is_relro_ field.
10362         (Output_section_definition::Output_section_definition): Initialize
10363         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10364         and is_relro_ fields.
10365         (Output_section_definition::place_orphan_here): Add is_relro
10366         parameter.
10367         (Output_section_definition::set_section_addresses): Set relro for
10368         output section.
10369         (Output_section_definition::alternate_constraint): Likewise.
10370         (class Orphan_output_section): Add new bool* parameter to
10371         place_orphan_here.  Add get_output_section.
10372         (Orphan_output_section::place_orphan_here): Add is_relro
10373         parameter.
10374         (Script_sections::Script_sections): Initialize
10375         data_segment_align_index_ and saw_relro_end_.
10376         (Script_sections::data_segment_align): New function.
10377         (Script_sections::data_segment_relro_end): New function.
10378         (Script_sections::place_orphan): Set or clear is_relro.
10379         (Script_sections::set_section_addresses): Force alignment of first
10380         TLS section.
10381         * yyscript.y (exp): Call script_data_segment_align and
10382         script_data_segment_relro_end.
10383         * testsuite/relro_script_test.t: New file.
10384         * testsuite/relro_test.cc (using_script): Declare.
10385         (t1, t2): Test using_script.
10386         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10387         (relro_script_test_SOURCES): Define.
10388         (relro_script_test_DEPENDENCIES): Define.
10389         (relro_script_test_LDFLAGS): Define.
10390         (relro_script_test_LDADD): Define.
10391         (relro_script_test.so): New target.
10392         * testsuite/Makefile.in: Rebuild.
10393
10394 2008-08-06  Cary Coutant <ccoutant@google.com>
10395
10396         * archive.cc (Archive::total_archives, Archive::total_members)
10397         (Archive::total_members_loaded): New variables.
10398         (Archive::setup): Add parameter.  Add option to preread
10399         archive symbols.
10400         (Archive::read_armap): Add counter.
10401         (Archive::get_file_and_offset): New function.
10402         (Archive::get_elf_object_for_member): New function.
10403         (Archive::read_all_symbols): New function.
10404         (Archive::read_symbols): New function.
10405         (Archive::add_symbols): Add counters.
10406         (Archive::include_all_members): Use armap to find members if it's
10407         already built.
10408         (Archive::include_member): Skip reading symbols if already read.
10409         Factored code into Archive::get_file_and_offset and
10410         Archive::get_elf_object_for_member.  Changed call to
10411         Mapfile::report_include_archive_member.
10412         (Archive::print_stats): New function.
10413         * archive.h: Declare Object and Read_symbols_data classes.
10414         (Archive::Archive): Add initializers for new members.
10415         (Archive::setup): Add parameter.
10416         (Archive::print_stats): New function.
10417         (Archive::total_archives, Archive::total_members)
10418         (Archive::total_members_loaded): New variables.
10419         (Archive::get_file_and_offset): New function.
10420         (Archive::get_elf_object_for_member): New function.
10421         (Archive::read_all_symbols): New function.
10422         (Archive::read_symbols): New function.
10423         (Archive::Archive_member): New class.
10424         (Archive::members_): New member.
10425         (Archive::num_members_): New member.
10426         * main.cc: Include archive.h.
10427         (main): Call Archive::print_stats.
10428         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10429         archive parameter; member_name is now the fully-decorated name.
10430         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10431         * options.h: (General_options): Add --preread-archive-symbols option.
10432         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10433         Archive::setup.
10434
10435 2008-08-04  Ian Lance Taylor  <iant@google.com>
10436
10437         * symtab.h (Symbol::use_plt_offset): New function.
10438         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10439         * powerpc.cc (Relocate::relocate): Likewise.
10440         * sparc.cc (Relocate::relocate): Likewise.
10441         * x86_64.cc (Relocate::relocate): Likewise.
10442         * testsuite/weak_plt.sh: New test.
10443         * testsuite/weak_plt_main.cc: New test.
10444         * testsuite/weak_plt_shared.cc: New test.
10445         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10446         (check_PROGRAMS): Add weak_plt.
10447         (check_DATA): Add weak_plt_shared.so.
10448         (weak_plt_main_pic.o, weak_plt): New targets.
10449         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10450         * testsuite/Makefile.in: Rebuild.
10451
10452         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10453         gcctestdir/ld.
10454         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10455         * testsuite/Makefile.in: Rebuild.
10456
10457 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10458
10459         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10460         * Makefile.in: Regenerate.
10461         * po/POTFILES.in: Regenerate.
10462
10463 2008-07-29  Ian Lance Taylor  <iant@google.com>
10464
10465         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10466         symbols before other symbols.
10467         * testsuite/script_test_2.cc (test_addr): Declare.
10468         (test_addr_alias): Declare.
10469         (main): Check that test_addr and test_addr_alias have the right
10470         values.
10471         * testsuite/script_test_2.t: Define test_addr_alias and
10472         test_addr.
10473
10474 2008-07-24  Ian Lance Taylor  <iant@google.com>
10475
10476         PR 5990
10477         * descriptors.cc: New file.
10478         * descriptors.h: New file.
10479         * gold-threads.h (class Hold_optional_lock): New class.
10480         * fileread.cc: Include "descriptors.h".
10481         (File_read::~File_read): Release descriptor rather than closing
10482         it.
10483         (File_read::open) [file]: Call open_descriptor rather than open.
10484         Set is_descriptor_opened_.
10485         (File_read::open) [memory]: Assert that descriptor is not open.
10486         (File_read::reopen_descriptor): New function.
10487         (File_read::release): Release descriptor.
10488         (File_read::do_read): Make non-const.  Reopen descriptor.
10489         (File_read::read): Make non-const.
10490         (File_read::make_view): Reopen descriptor.
10491         (File_read::do_readv): Likewise.
10492         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10493         Update declarations.
10494         * layout.cc: Include "descriptors.h".
10495         (Layout::create_build_id): Use open_descriptor rather than open.
10496         * output.cc: Include "descriptors.h".
10497         (Output_file::open): Use open_descriptor rather than open.
10498         * archive.cc (Archive::const_iterator): Change Archive to be
10499         non-const.
10500         (Archive::begin, Archive::end): Make non-const.
10501         (Archive::count_members): Likewise.
10502         * archive.h (class Archive): Update declarations.
10503         * object.h (Object::read): Make non-const.
10504         * Makefile.am (CCFILES): Add descriptors.cc.
10505         (HFILES): Add descriptors.h.
10506         * Makefile.in: Rebuild.
10507
10508         PR 6716
10509         * gold.h: Always include <clocale>.  Add Solaris workarounds
10510         following code in binutils/sysdep.h.
10511
10512         PR 6048
10513         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10514         this->eh_frame_hdr_ is NULL before using it.
10515
10516         * dynobj.cc (Versions::Versions): Update comment.
10517
10518         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10519         the base version name.
10520
10521         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10522         array size plus one.
10523         (Stringpool_template::set_string_offsets): Subtract one from key
10524         before using it as an array index.
10525         (Stringpool_template::get_offset_with_length): Likewise.
10526         (Stringpool_template::write_to_buffer): Likewise.
10527         * stringpool.h (Stringpool_template::get_offset_from_key):
10528         Likewise.
10529
10530 2008-07-23  Ian Lance Taylor  <iant@google.com>
10531
10532         PR 6658
10533         * object.h (Merged_symbol_value::value): Do our best to handle a
10534         negative addend.
10535
10536         PR 6647
10537         * script.cc (Version_script_info::get_versions): Don't add empty
10538         version tag to return value.
10539         (Version_script_info::get_symbol_version_helper): Change return
10540         type to bool.  Add pversion parameter.  Change all callers.
10541         (script_register_vers_node): Don't require a non-NULL tag.
10542         * script.h (class Version_script_info): Update declarations.
10543         (Version_script_info::get_symbol_version): Change return type to
10544         bool.  Add version parameter.  Change all callers.
10545         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10546         handling.  Handle an empty version from a version script.
10547         (Symbol_table::define_special_symbol): Likewise.
10548         * testsuite/ver_test_10.script: New file.
10549         * testsuite/ver_test_10.sh: New file.
10550         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10551         (check_DATA): Add ver_test_10.syms.
10552         (ver_test_10.syms, ver_test_10.so): New target.
10553         * testsuite/Makefile.in: Rebuild.
10554
10555 2008-07-23  Simon Baldwin  <simonb@google.com>
10556
10557         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10558         to zero for undefined symbols from dynamic libraries.
10559
10560 2008-07-23  Ian Lance Taylor  <iant@google.com>
10561
10562         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10563         Change all callers.
10564         * symtab.h (class Symbol_table): Update declaration.
10565         * testsuite/ver_test_9.cc: New file.
10566         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10567         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10568         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10569         (ver_test_9.so, ver_test_9.o): New targets.
10570         * testsuite/Makefile.in: Rebuild.
10571
10572 2008-07-22  Ian Lance Taylor  <iant@google.com>
10573
10574         * options.h (class General_options): Define --check-sections.
10575         * layout.cc (Layout::set_segment_offsets): Handle
10576         --check-sections.
10577
10578         * options.h (class General_options): Define -n/--nmagic and
10579         -N/--omagic.
10580         * options.cc (General_options::finalize): For -n/--nmagic or
10581         -N/--omagic, set -static.
10582         * layout.cc (Layout::attach_allocated_section_to_segment): If
10583         -N/--omagic, don't put read-only and read-write sections in
10584         different segments.
10585         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10586         finding a read-only segment.
10587         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10588         don't set the minimum segment alignment to the common page size,
10589         and don't set the file offset to the address modulo the page size.
10590         * script-sections.cc (Script_sections::create_segments): If
10591         -n/--omagic, don't put read-only and read-write sections in
10592         different segments.
10593
10594         * cref.cc: New file.
10595         * cref.h: New file.
10596         * options.h (class General_options): Add --print-symbol-counts.
10597         * main.cc (main): Issue defined symbol report if requested.
10598         * archive.cc (Archive::interpret_header): Make into a const member
10599         function.
10600         (Archive::add_symbols): Call Input_objects::archive_start and
10601         archive_stop.
10602         (Archive::const_iterator): Define new class.
10603         (Archive::begin, Archive::end): New functions.
10604         (Archive::include_all_members): Rewrite to use iterator.
10605         (Archive::count_members): New function.
10606         * archive.h (class Archive): Update declarations.
10607         (Archive::filename): New function.
10608         * object.cc: Include "cref.h".
10609         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10610         (Sized_relobj::do_get_global_symbol_counts): New function.
10611         (Input_objects::add_object): Add object to cross-referencer.
10612         (Input_objects::archive_start): New function.
10613         (Input_objects::archive_stop): New function.
10614         (Input_objects::print_symbol_counts): New function.
10615         * object.h: Declare Cref and Archive.
10616         (Object::get_global_symbol_counts): New function.
10617         (Object::do_get_global_symbol_counts): New pure virtual function.
10618         (class Sized_relobj): Add defined_count_ field.  Update
10619         declarations.
10620         (class Input_objects): Add cref_ field.  Update constructor.
10621         Update declarations.
10622         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10623         defined_count_.
10624         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10625         symbol counts.
10626         (Sized_dynobj::do_get_global_symbol_counts): New function.
10627         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10628         defined_count_.  Update declarations.  Define Symbols typedef.
10629         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10630         parameter.  Change all callers.
10631         (Symbol_table::add_from_dynobj): Add sympointers and defined
10632         parameters.  Change all callers.
10633         * symtab.h (class Symbol_table): Update declarations.
10634         * Makefile.am (CCFILES): Add cref.cc.
10635         (HFILES): Add cref.h.
10636         * Makefile.in: Rebuild.
10637
10638 2008-07-22  Simon Baldwin  <simonb@google.com>
10639
10640         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10641         to zero when writing undefined symbols.
10642
10643 2008-07-22  Ian Lance Taylor  <iant@google.com>
10644
10645         * output.cc (Output_section::add_input_section): Don't try to
10646         merge empty merge sections.
10647
10648 2008-07-21  Craig Silverstein  <csilvers@google.com>
10649
10650         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10651         Include symbol version in error message.
10652
10653 2008-07-20  Chris Demetriou  <cgd@google.com>
10654
10655         * configure.ac (gold_cv_c_random_seed): New configured variable.
10656         (RANDOM_SEED_CFLAGS): New substituted variable.
10657         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10658         * configure: Rebuild.
10659         * Makefile.in: Likewise.
10660         * testsuite/Makefile.in: Likewise.
10661
10662 2008-07-18  Ian Lance Taylor  <iant@google.com>
10663
10664         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10665         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10666         * testsuite/ver_test_main.cc (main): Call t4.
10667         (t4, t4_2a): Define.
10668         * testsuite/ver_test_2.cc (t4_2): Define.
10669         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10670         * testsuite/ver_test_4.cc (t4_2a): Define.
10671         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10672         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10673
10674 2008-07-17  Ian Lance Taylor  <iant@google.com>
10675
10676         * dynobj.cc (Versions::add_def): If we give an error about a
10677         missing version, go ahead and create the version anyhow.
10678
10679 2008-07-10  Ian Lance Taylor  <iant@google.com>
10680
10681         Handle output sections with more than 0x7fffffff bytes.
10682         * object.h (class Relobj): Change map_to_output_ to
10683         output_sections_, and just keep a section pointer.  Change all
10684         uses.  Move comdat group support to Sized_relobj.
10685         (Relobj::is_section_specially_mapped): Remove.
10686         (Relobj::output_section): Remove poff parameter.  Change all
10687         callers.
10688         (Relobj::output_section_offset): New function.
10689         (Relobj::set_section_offset): Rewrite.
10690         (Relobj::map_to_output): Remove.
10691         (Relobj::output_sections): New function.
10692         (Relobj::do_output_section_offset): New pure virtual function.
10693         (Relobj::do_set_section_offset): Likewise.
10694         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10695         group support from Relobj.  Update declarations.
10696         (Sized_relobj::get_output_section_offset): New function.
10697         (Sized_relobj::do_output_section_offset): New function.
10698         (Sized_relobj::do_set_section_offset): New function.
10699         * object.cc (Relobj::output_section_address): Remove.
10700         (Sized_relobj::Sized_relobj): Initialize new fields.
10701         (Sized_relobj::include_section_group): Cast find_kept_object to
10702         Sized_relobj.
10703         (Sized_relobj::include_linkonce_section): Likewise.
10704         (Sized_relobj::do_layout): Use separate arrays for output section
10705         and output offset.
10706         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10707         output_sections.
10708         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10709         output_sections and section_offsets.
10710         (Sized_relobj::write_local_symbols): Likewise.
10711         (map_to_kept_section): Compute output address directly.
10712         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10713         output_sections and section_offsets.
10714         (Sized_relobj::write_sections): Likewise.
10715         (Sized_relobj::relocate_sections): Likewise.
10716         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10717         * output.h (class Output_reloc): Update declarations.  Change
10718         u2_.relobj to Sized_relobj*.
10719         (class Output_data_reloc): Change add functions to use
10720         Sized_relobj*.
10721         * output.cc (Output_reloc::Output_reloc): Change relobj to
10722         Sized_relobj*.
10723         (Output_reloc::local_section_offset): Change return type to
10724         Elf_Addr.  Use get_output_section_offset.
10725         (Output_reloc::get_address): Likewise.
10726         (Output_section::is_input_address_mapped): Don't call
10727         is_section_specially_mapped.
10728         (Output_section::output_offset): Likewise.
10729         (Output_section::output_address): Likewise.
10730         (Output_section::starting_output_address): Likewise.
10731         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10732         parameter to Sized_relobj*.
10733         (Copy_relocs::need_copy_reloc): Likewise.
10734         (Copy_relocs::save): Likewise.
10735         * copy-relocs.h (class Copy_relocs): Update declarations.
10736         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10737         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10738         * target-reloc.h (relocate_for_relocatable): Change
10739         offset_in_output_section type to Elf_Addr.  Change code that uses
10740         it as well.
10741         * layout.cc (Layout::layout): Always set *off.
10742         * mapfile.cc (Mapfile::print_input_section): Use
10743         output_section_offset.
10744         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10745         Sized_relobj*.
10746         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10747         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10748         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10749
10750 2008-07-03  Ian Lance Taylor  <iant@google.com>
10751
10752         * layout.cc (Layout::include_section): Do not discard unrecognized
10753         SHT_STRTAB sections.
10754
10755 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10756
10757         * script.cc (Lex::can_continue_name): Make '?' allowable in
10758         version-script names.
10759         * testsuite/version_script.map: Change glob pattern to use '?'
10760
10761 2008-06-30  Manish Singh  <yosh@gimp.org>
10762
10763         PR 6585
10764         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10765         Correct typo.
10766
10767 2008-06-30  Ian Lance Taylor  <iant@google.com>
10768
10769         PR 6660
10770         PR 6682
10771         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10772         versions]: Don't try to read the value in the contents, since we
10773         don't use it.  Use the template endianness when writing.
10774
10775 2008-06-25  Cary Coutant  <ccoutant@google.com>
10776
10777         * fileread.cc (File_read::make_view): Assert on zero-length view.
10778         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10779         symbol table when there are no symbols to read.
10780
10781 2008-06-23  Craig Silverstein  <csilvers@google.com>
10782
10783         * version.cc (version_string): Bump to 1.7
10784
10785 2008-06-18  Craig Silverstein  <csilvers@google.com>
10786
10787         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10788         constant 0xFFFF to type Valtype.
10789         (Powerpc_relocate_functions::rel16_ha): Likewise.
10790
10791 2008-06-17  Ian Lance Taylor  <iant@google.com>
10792
10793         * output.h (Output_section::Input_section): Initialize p2align_ to
10794         zero for Output_section_data constructors.
10795         (Output_section::Input_section::addralign): If not an input
10796         section, return the alignment of the Output_section_data.
10797         * testsuite/copy_test.cc: New file.
10798         * testsuite/copy_test_1.cc: New file.
10799         * testsuite/copy_test_2.cc: New file.
10800         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10801         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10802         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10803         (copy_test_1_pic.o, copy_test_1.so): New targets.
10804         (copy_test_2_pic.o, copy_test_2.so): New targets.
10805         * testsuite/Makefile.in: Rebuild.
10806
10807         * script-sections.cc (Script_sections::place_orphan): Initialize
10808         local variable exact.
10809
10810 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10811
10812         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10813
10814 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10815             David S. Miller  <davem@davemloft.net>
10816
10817         * powerpc.cc: New file.
10818         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10819         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10820         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10821         * Makefile.in: Rebuild.
10822
10823 2008-06-09  Ian Lance Taylor  <iant@google.com>
10824
10825         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10826         <exception>.
10827         (throwing, orig_terminate): New static variables.
10828         (terminate_handler): New static function.
10829         (t2): Set terminate handler.
10830
10831 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10832
10833         PR 6584
10834         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10835         alignment.
10836
10837 2008-05-30  Cary Coutant  <ccoutant@google.com>
10838
10839         * archive.cc (Archive::include_all_members) Correct to step
10840         over symbol table and extended name table in thin archives.
10841
10842 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10843
10844         PR 6407
10845         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10846         calculation.
10847
10848 2008-05-28  Caleb Howe  <cshowe@google.com>
10849
10850         * reduced_debug_output.cc: New file.
10851         * reduced_debug_output.h: New file.
10852         * options.h (class General_options): Add --strip-debug-non-line.
10853         * options.cc (General_options::finalize): Add strip_debug_non_line
10854         to the strip heirarchy.
10855         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10856         fields.
10857         * layout.cc: Include "reduced_debug_output.h".
10858         (Layout::Layout): Initialize new fields.
10859         (line_only_debug_sections): New static array.
10860         (is_lines_only_debug_sections): New static inline function.
10861         (Layout::include_section): Handle --strip-debug-non-line.
10862         (Layout::make_output_section): If --strip-debug-non-line, build
10863         new output sections for .debug_abbrev and .debug_info.
10864         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10865         gold.  Warn about possible overflow.
10866         (read_signed_LEB_128): Likewise.
10867         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10868         (read_signed_LEB_128): Declare.
10869         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10870         (HFILES): Add reduced_debug_output.h.
10871         * Makefile.in: Rebuild.
10872
10873 2008-05-21  Ian Lance Taylor  <iant@google.com>
10874
10875         * mapfile.cc: New file.
10876         * mapfile.h: New file.
10877         * options.h (class General_options): Add -M/--print-map and -Map.
10878         * options.cc (General_options::finalize): Make -M equivalent to
10879         -Map -.
10880         * main.cc: Include <cstdio> and "mapfile.h".
10881         (main): Open mapfile if requested.
10882         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10883         constructor.  Change caller.
10884         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10885         (queue_middle_tasks): Likewise.
10886         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10887         declarations.
10888         * archive.cc: Include "mapfile.h".
10889         (Archive::add_symbols): Add mapfile parameter.  Change all
10890         callers.  Pass mapfile, symbol, and reason to include_member.
10891         (Archive::include_all_members): Add mapfile parameter.  Change all
10892         callers.
10893         (Archive::include_member): Add mapfile, sym, and why parameters.
10894         Change all callers.  Report inclusion to map file.
10895         * archive.h: Include "fileread.h".
10896         (class Archive): Update declarations.
10897         (Archive::file): New const method.
10898         (class Add_archive_symbols): Add mapfile_ field.  Update
10899         constructor.  Change all callers.
10900         * readsyms.h (class Read_symbols): Likewise.
10901         (class Finish_group): Likewise.
10902         (class Read_script): Likewise.
10903         * common.cc: Include "mapfile.h".
10904         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10905         all callers.
10906         (Symbol_table::do_allocate_commons): Likewise.
10907         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10908         symbol allocation to mapfile.
10909         * common.h (class Allocate_commons_task): Add mapfile_ field.
10910         Update constructor.  Change all callers.
10911         * symtab.h (class Symbol_table): Update declarations.
10912         * layout.cc: Include "mapfile.h".
10913         (Layout_task_runner::run): Print information to mapfile.
10914         (Layout::create_gold_note): Change Output_data_fixed_space to
10915         Output_data_zero_fill.
10916         (Layout::create_build_id): Likewise.
10917         (Layout::print_to_mapfile): New function.
10918         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10919         constructor.  Change caller.
10920         (class Layout): Declare print_to_mapfile.
10921         * output.cc (Output_section::Input_section::print_to_mapfile): New
10922         function.
10923         (Output_section::add_input_section): If producing a map, always
10924         add to input_sections_ list.
10925         (Output_section::do_print_to_mapfile): New function.
10926         (Output_segment::print_sections_to_mapfile): New function.
10927         (Output_segment::print_section_list_to_mapfile): New function.
10928         * output.h: Include "mapfile.h".
10929         (Output_data::print_to_mapfile): New function.
10930         (Output_data::do_print_to_mapfile): New virtual function.
10931         (Output_segment_headers::do_print_to_mapfile): New function.
10932         (Output_file_header::do_print_to_mapfile): New function.
10933         (Output_data_const::do_print_to_mapfile): New function.
10934         (class Output_data_const_buffer): Add map_name_ field.  Update
10935         constructor.  Change all callers.  Add do_print_to_mapfile
10936         function.
10937         (class Output_data_fixed_space): Likewise.
10938         (class Output_data_space): Likewise.
10939         (class Output_data_zero_fill): New class.
10940         (Output_data_strtab::do_print_to_mapfile): New function.
10941         (Output_data_reloc_base::do_print_to_mapfile): New function.
10942         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10943         (Output_data_group::do_print_to_mapfile): New function.
10944         (Output_data_got::do_print_to_mapfile): New function.
10945         (Output_data_dynamic::do_print_to_mapfile): New function.
10946         (Output_symtab_xindex::do_print_to_mapfile): New function.
10947         (class Output_section): Declare do_print_to_mapflie.  Declare
10948         print_to_mapfile in Input_section.
10949         (class Output_segment): Declare new functions.
10950         * object.h (Sized_relobj::symbol_count): New function.
10951         * script-sections.cc
10952         (Output_section_element_dot_assignment::set_section_addresses):
10953         Change Output_data_fixed_space to Output_data_zero_fill.
10954         (Output_data_expression::do_print_to_mapfile): New function.
10955         * script.cc (read_input_script): Add mapfile parameter.  Change
10956         all callers.
10957         * script.h (read_input_script): Update declaration.
10958         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10959         (Eh_frame::do_print_to_mapfile): New function.
10960         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10961         (Output_merge_string::do_print_to_mapfile): New function.
10962         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10963         function.
10964         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10965         function.
10966         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10967         function.
10968         * Makefile.am (CCFILES): Add mapfile.cc.
10969         (HFILES): Add mapfile.h.
10970         * Makefile.in: Rebuild.
10971
10972 2008-05-19  Ian Lance Taylor  <iant@google.com>
10973
10974         * options.h (class General_options): Add -z relro.
10975         * layout.cc (Layout::Layout): Initialize relro_segment_.
10976         (Layout::add_output_section_data): Return the output section.
10977         (Layout::make_output_section): Rcognize relro sections and mark
10978         them appropriately.
10979         (Layout::attach_allocated_section_to_segment): Put relro sections
10980         in a PT_GNU_RELRO segment.
10981         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10982         section as relro.
10983         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10984         PT_TLS segments.
10985         (Layout::linkonce_mapping): Map d.rel.ro.local to
10986         .data.rel.ro.local.
10987         (Layout::output_section_name): Us .data.rel.ro.local for any
10988         section which begins with that.
10989         * layout.h (class Layout): Update add_output_section_data
10990         declaration.  Add relro_segment_ field.
10991         * output.cc (Output_section::Output_section): Initialize is_relro_
10992         and is_relro_local_ fields.
10993         (Output_segment::add_output_section): Group relro sections.
10994         (Output_segment::is_first_section_relro): New function.
10995         (Output_segment::maximum_alignment): If there is a relro section,
10996         align the segment to the common page size.
10997         (Output_segment::set_section_addresses): Track whether we are
10998         looking at relro sections.  If the last section is a relro
10999         section, align to the common page size.
11000         (Output_segment::set_section_list_addresses): Add in_relro
11001         parameter.  Change all callers.  Align to the page size when
11002         moving from relro to non-relro section.
11003         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11004         segment.
11005         * output.h (class Output_section): Add is_relro_ and
11006         is_relro_local_ fields.
11007         (Output_section::is_relro): New function.
11008         (Output_section::set_is_relro): New function.
11009         (Output_section::is_relro_local): New function.
11010         (Output_section::set_is_relro_local): New function.
11011         (class Output_segment): Update declarations.
11012         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11013         * sparc.cc (Target_sparc::got_section): Likewise.
11014         * x86_64.cc (Target_x86_64::got_section): Likewise.
11015         * testsuite/relro_test_main.cc: New file.
11016         * testsuite/relro_test.cc: New file.
11017         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11018         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11019         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11020         (relro_test.so, relro_test_pic.o): New targets.
11021         * testsuite/Makefile.in: Rebuild.
11022
11023 2008-05-16  Ian Lance Taylor  <iant@google.com>
11024
11025         * output.cc (Output_segment::add_output_section): Remove front
11026         parameter.
11027         * output.h (class Output_segment): Remove
11028         add_initial_output_section and overloaded add_output_section.
11029         Update declaration of remaining add_output_section.
11030         * layout.cc (Layout::create_interp): Call add_output_section
11031         rather than add_initial_output_section.
11032         (Layout::finish_dynamic_section): Likewise.
11033
11034         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11035         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11036         know the dynamic type.
11037         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11038         field.  Initialize it in constructor.
11039         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11040         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11041         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11042         reloc.
11043
11044         * output.cc (Output_reloc::get_address): Change return type to
11045         Elf_Addr.
11046         * output.h (class Output_reloc): Update get_address declaration.
11047         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11048         for section addresses.
11049
11050 2008-05-09  Ian Lance Taylor  <iant@google.com>
11051
11052         PR 6493
11053         * gold.cc (gold_nomem): Use return value of write.
11054
11055 2008-05-08  Ian Lance Taylor  <iant@google.com>
11056
11057         * symtab.c (Symbol::init_base_output_data): Add version
11058         parameter.  Change all callers.
11059         (Symbol::init_base_output_segment): Likewise.
11060         (Symbol::init_base_constant): Likewise.
11061         (Symbol::init_base_undefined): Likewise.
11062         (Sized_symbol::init_output_data): Likewise.
11063         (Sized_symbol::init_output_segment): Likewise.
11064         (Sized_symbol::init_constant): Likewise.
11065         (Sized_symbol::init_undefined): Likewise.
11066         (Symbol_table::do_define_in_output_data): If the new symbol has a
11067         version, mark it as the default.
11068         (Symbol_table::do_define_in_output_segment): Likewise.
11069         (Symbol_table::do_define_as_constant): Likewise.
11070         * symtab.h (class Symbol): Update declarations.
11071         (class Sized_symbol): Likewise.
11072         * resolve.cc (Symbol::override_version): New function.
11073         (Symbol::override_base): Call override_version.
11074         (Symbol::override_base_with_special): Likewise.
11075         * testsuite/ver_script_8.script: New file.
11076         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11077         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11078         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11079         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11080
11081 2008-05-06  Ian Lance Taylor  <iant@google.com>
11082
11083         PR 6049
11084         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11085         functions.
11086         (class General_options): Remove existing --undefined, and add
11087         --no-undefined instead.  Add new --undefined as synonym for -u.
11088         * archive.cc (Archive::add_symbols): Check whether symbol was
11089         named with -u.
11090         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11091         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11092         all uses.  Add IS_UNDEFINED.  Update declarations to split
11093         different versions of init_base.  Declare init_base_undefined.
11094         (Symbol::is_defined): Handle IS_UNDEFINED.
11095         (Symbol::is_undefined): Likewise.
11096         (Symbol::is_weak_undefined): Call is_undefined.
11097         (Symbol::is_absolute): Handle IS_CONSTANT.
11098         (class Sized_symbol): Update declarations to split different
11099         versions of init.  Declare init_undefined.
11100         (class Symbol_table): Declare new functions.
11101         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11102         Change all callers.
11103         (Symbol::init_base_output_data): Likewise.
11104         (Symbol::init_base_output_segment): Likewise.
11105         (Symbol::init_base_constant): Likewise.
11106         (Symbol::init_base_undefined): New function.
11107         (Sized_symbol::init_object): Rename from init.  Change all
11108         callers.
11109         (Sized_symbol::init_output_data): Likewise.
11110         (Sized_symbol::init_output_segment): Likewise.
11111         (Sized_symbol::init_constant): Likewise.
11112         (Sized_symbol::init_undefined): New function.
11113         (Symbol_table::add_undefined_symbols_from_command_line): New
11114         function.
11115         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11116         function.
11117         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11118         (Symbol::output_section): Likewise.
11119         (Symbol::set_output_section): Likewise.
11120         (Symbol_table::sized_finalize_symbol): Likewise.
11121         (Symbol_table::sized_write_globals): Likewise.
11122         * resolve.cc (Symbol_table::should_override): Likewise.
11123         (Symbol::override_base_with_special): Likewise.
11124
11125         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11126         symbol, change it to have default visibility.
11127         * testsuite/protected_1.cc: New file.
11128         * testsuite/protected_2.cc: New file.
11129         * testsuite/protected_3.cc: New file.
11130         * testsuite/protected_main_1.cc: New file.
11131         * testsuite/protected_main_2.cc: New file.
11132         * testsuite/protected_main_3.cc: New file.
11133         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11134         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11135         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11136         (protected_1.so): New target.
11137         (protected_1_pic.o, protected_2_pic.o): New targets.
11138         (protected_3_pic.o): New target.
11139         (check_PROGRAMS): Add protected_2.
11140         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11141         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11142         * testsuite/Makefile.in: Rebuild.
11143
11144         * options.h (DEFINE_var): Add set_user_set_##varname__.
11145         (DEFINE_bool_alias): New macro.
11146         (class General_options): Define -Bstatic using DEFINE_bool_alias
11147         rather than DEFINE_special.  Add --undefined as an alias for -z
11148         defs.
11149         * options.cc (General_options::parse_Bstatic): Remove.
11150
11151         * options.h (class General_options): Add --fatal-warnings.
11152         * main.cc (main): Implement --fatal-warnings.
11153         * errors.h (Errors::warning_count): New function.
11154
11155         * options.h (class General_options): Add -Bsymbolic-functions.
11156         * symtab.h (Symbol::is_preemptible): Check for
11157         -Bsymbolic-functions.
11158
11159 2008-05-05  Ian Lance Taylor  <iant@google.com>
11160
11161         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11162         as noVARNAME rather than no-VARNAME.
11163         (class General_options): Add option -z combreloc.
11164         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11165         get_address.
11166         (Output_reloc::sort_before) [SHT_REL]: New function.
11167         (Output_reloc::sort_before) [SHT_RELA]: New function.
11168         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11169         Sort_relocs_comparison.
11170         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11171         parameter.  Change all callers.
11172         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11173         sort_relocs parameter.  Change all callers.
11174         * output.cc (Output_reloc::get_address): New function, broken out
11175         of write_rel.
11176         (Output_reloc::write_rel): Call it.
11177         (Output_reloc::compare): New function.
11178         (Output_data_reloc_base::do_write): Optionally sort relocs.
11179
11180         * configure.ac: If targ_extra_obj is set, link it in.
11181         * configure.tgt: Initialize all variables.
11182         (x86_64*): Set targ_extra_obj and targ_extra_size.
11183         * configure: Rebuild.
11184
11185         * object.cc (Sized_relobj::include_section_group): Adjust section
11186         indexes read from group data.  Build vector to pass to
11187         layout_group.
11188         * layout.cc (Layout::layout_group): Add flags and shndxes
11189         parameters.  Remove contents parameter.  Change caller.  Update
11190         explicit instantiations.
11191         * layout.h (class Layout): Update layout_group declaration.
11192         * output.cc (Output_data_group::Output_data_group): Add flags and
11193         input_shndxes parameters.  Remove contents parameter.  Change
11194         caller.
11195         (Output_data_group::do_write): Change input_sections_ to
11196         input_shndxes_.
11197         * output.h (class Output_data_group): Update constructor
11198         declaration.  Rename input_sections_ to input_shndxes_.
11199         * testsuite/many_sections_test.cc: Add template.
11200
11201 2008-04-30  Cary Coutant  <ccoutant@google.com>
11202
11203         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11204
11205         * layout.cc (Layout::include_section): Refactored check for debug
11206         info section.
11207         (Layout::add_comdat): Add new parameters.  Change type
11208         of signature parameter.  Add object and shndx to signatures table.
11209         (Layout::find_kept_object): New function.
11210         * layout.h: Include <cstring>.
11211         (Layout::is_debug_info_section): New function.
11212         (Layout::add_comdat): Add new parameters.
11213         (Layout::find_kept_object): New function.
11214         (Layout::Kept_section): New struct.
11215         (Layout::Signatures): Change type of map range.
11216         * object.cc (Relobj::output_section_address): New function.
11217         (Sized_relobj::include_section_group): Add new parameters.  Change
11218         calls to Layout::add_comdat.  Change to build table of kept comdat
11219         groups and table mapping discarded sections to kept sections.
11220         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11221         (Sized_relobj::do_layout): Change calls to include_section_group and
11222         include_linkonce_section.
11223         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11224         value to zero when section is discarded.
11225         (Sized_relobj::map_to_kept_section): New function.
11226         * object.h (Relobj::output_section_address): New function.
11227         (Relobj::Comdat_group): New type.
11228         (Relobj::find_comdat_group): New function.
11229         (Relobj::Comdat_group_table): New type.
11230         (Relobj::Kept_comdat_section): New type.
11231         (Relobj::Kept_comdat_section_table): New type.
11232         (Relobj::add_comdat_group): New function.
11233         (Relobj::set_kept_comdat_section): New function.
11234         (Relobj::get_kept_comdat_section): New function.
11235         (Relobj::comdat_groups_): New field.
11236         (Relobj::kept_comdat_sections_): New field.
11237         (Symbol_value::input_value): Update comment.
11238         (Sized_relobj::map_to_kept_section) New function.
11239         (Sized_relobj::include_linkonce_section): Add new parameter.
11240         * target-reloc.h (Comdat_behavior): New type.
11241         (get_comdat_behavior): New function.
11242         (relocate_section): Add code to map a discarded section to the
11243         corresponding kept section when applying a relocation.
11244
11245 2008-04-30  Craig Silverstein  <csilvers@google.com>
11246
11247         * dwarf_reader.cc (next_generation_count): New static var.
11248         (Addr2line_cache_entry): New struct.
11249         (addr2line_cache): New static var.
11250         (Dwarf_line_info::one_addr2line): Added caching.
11251         (Dwarf_line_info::clear_addr2line_cache): New function.
11252         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11253         cache-size parameter.
11254         (Dwarf_line_info::one_addr2line_cache): New function.
11255         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11256         new cache-size argument to one_addr2line(), and clear cache.
11257
11258 2008-04-28  Cary Coutant  <ccoutant@google.com>
11259
11260         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11261         R_386_PC8 relocations.
11262
11263 2008-04-23  Ian Lance Taylor  <iant@google.com>
11264
11265         * object.cc (Sized_relobj::include_section_group): Check for
11266         invalid section group.
11267
11268         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11269         header size.
11270
11271         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11272         than read for file header.
11273         * archive.cc (Archive::include_member): Likewise.
11274
11275 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11276
11277         * aclocal.m4: Regenerate.
11278         * configure: Regenerate.
11279
11280 2008-04-19  Ian Lance Taylor  <iant@google.com>
11281
11282         * version.cc (version_string): Bump to 1.6.
11283
11284         * testsuite/Makefile.am (many_sections_r_test): New target.
11285         (many_sections_r_test_SOURCES): Remove.
11286         (many_sections_r_test_DEPENDENCIES): Remove.
11287         (many_sections_r_test_LDFLAGS): Remove.
11288         (many_sections_r_test_LDADD): Remove.
11289
11290         * object.cc (Sized_relobj::do_add_symbols): Always pass
11291         local_symbol_count_ to add_from_relobj.
11292
11293         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11294         every thousand variables.
11295         * testsuite/Makefile.in: Rebuild.
11296
11297         * object.cc (Xindex::initialize_symtab_xindex): New function.
11298         (Xindex::read_symtab_xindex): New function.
11299         (Xindex::sym_xindex_to_shndx): New function.
11300         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11301         available.
11302         (Sized_relobj::do_initialize_xindex): New function.
11303         (Sized_relobj::do_read_symbols): Adjust section links.
11304         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11305         parameter.  Change all callers.
11306         (Sized_relobj::include_section_group): Adjust section links and
11307         symbol section indexes.
11308         (Sized_relobj::do_layout): Adjust section links.
11309         (Sized_relobj::do_count_local_symbols): Adjust section links and
11310         symbol section indexes.
11311         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11312         ordinary and special symbols.
11313         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11314         dynsym_xindex parameters.  Change all callers.  Adjust section
11315         links.  Use SHN_XINDEX when needed.
11316         (Sized_relobj::get_symbol_location_info): Adjust section links.
11317         Don't get fooled by special symbols.
11318         * object.h (class Xindex): Define.
11319         (class Object): Add xindex_ parameter.  Declare virtual functoin
11320         do_initialize_xindex.
11321         (Object::adjust_sym_shndx): New function.
11322         (Object::set_xindex): New protected function.
11323         (class Symbol_value): Add is_ordinary_shndx_ field.
11324         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11325         (Symbol_value::value): Assert ordinary section.
11326         (Symbol_value::initialize_input_to_output_map): Likewise.
11327         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11328         Change all callers.
11329         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11330         all callers.
11331         (class Sized_relobj): Update declarations.
11332         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11333         parameter.  Change all callers.
11334         (Sized_relobj::adjust_shndx): New function.
11335         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11336         field.
11337         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11338         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11339         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11340         (Sized_dynobj::read_dynsym_section): Adjust section links.
11341         (Sized_dynobj::read_dynamic): Likewise.
11342         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11343         section links.
11344         (Sized_dynobj::do_initialize_xindex): New function.
11345         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11346         do_initialize_xindex.
11347         (Sized_dynobj::adjust_shndx): New function.
11348         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11349         dynsym_xindex_ fields.
11350         (Layout::finalize): Add a call to set_section_indexes before
11351         creating the symtab sections.
11352         (Layout::set_section_indexes): Don't do anything if the section
11353         already has a section index.
11354         (Layout::create_symtab_sections): Add shnum parameter.  Change
11355         caller.  Create .symtab_shndx section if needed.
11356         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11357         caller.
11358         (Layout::allocated_output_section_count): New function.
11359         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11360         needed.
11361         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11362         fields.  Update declarations.
11363         (Layout::symtab_xindex): New function.
11364         (Layout::dynsym_xindex): New function.
11365         (class Write_symbols_task): Add layout_ field.
11366         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11367         Change caller.
11368         * output.cc (Output_section_headers::Output_section_headers): Add
11369         shstrtab_section parameter.  Change all callers.
11370         (Output_section_headers::do_sized_write): Store overflow values
11371         for section count and section string table section index in
11372         section header zero.
11373         (Output_file_header::do_sized_write): Check for overflow of
11374         section count and section string table section index.
11375         (Output_symtab_xindex::do_write): New function.
11376         (Output_symtab_xindex::endian_do_write): New function.
11377         * output.h (class Output_section_headers): Add shstrtab_section_.
11378         Update declarations.
11379         (class Output_symtab_xindex): Define.
11380         (Output_section::has_out_shndx): New function.
11381         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11382         field.
11383         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11384         Change all callers.
11385         (Sized_symbol::init): Likewise.
11386         (Symbol::output_section): Check for ordinary symbol.
11387         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11388         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11389         callers.
11390         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11391         Change all callers.  Simplify handling of symbols from sections
11392         not included in the link.
11393         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11394         distinction.
11395         (Weak_alias_sorter::operator()): Assert that symbols are
11396         ordinary.
11397         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11398         distinction.
11399         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11400         parameters.  Change all callers.
11401         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11402         symbol distinction.  Use SHN_XINDEX when needed.
11403         (Symbol_table::write_section_symbol): Add symtab_xindex
11404         parameter.  Change all callers.
11405         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11406         SHN_XINDEX when needed.
11407         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11408         declarations.
11409         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11410         (Symbol::is_defined): Check is_ordinary.
11411         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11412         (Symbol::is_absolute, Symbol::is_common): Likewise.
11413         (class Sized_symbol): Update declarations.
11414         (class Symbol_table): Update declarations.
11415         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11416         parameters.  Change all callers.
11417         (Sized_symbol::override): Likewise.
11418         (Symbol_table::override): Likewise.
11419         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11420         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11421         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11422         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11423         to be in an ordinary section.
11424         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11425         object and is_ordinary parameters.  Change all callers.
11426         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11427         Change all callers.  Don't add undefined or non-ordinary symbols
11428         to reloc_map_.
11429         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11430         Change all callers.
11431         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11432         declarations.
11433         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11434         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11435         (Sized_relobj::relocate_sections): Likewise.
11436         * target-reloc.h (scan_relocs): Adjust section symbol index.
11437         (scan_relocatable_relocs): Likewise.
11438         * i386.cc (Scan::local): Check for ordinary symbols.
11439         * sparc.cc (Scan::local): Likewise.
11440         * x86_64.cc (Scan::local): Likewise.
11441         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11442         to symbol_section_and_value.
11443         * testsuite/many_sections_test.cc: New file.
11444         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11445         (check_PROGRAMS): Add many_sections_test.
11446         (many_sections_test_SOURCES): Define.
11447         (many_sections_test_DEPENDENCIES): Define.
11448         (many_sections_test_LDFLAGS): Define.
11449         (BUILT_SOURCES): Add many_sections_define.h.
11450         (many_sections_define.h): New target.
11451         (BUILT_SOURCES): Add many_sections_check.h.
11452         (many_sections_check.h): New target.
11453         (check_PROGRAMS): Add many_sections_r_test.
11454         (many_sections_r_test_SOURCES): Define.
11455         (many_sections_r_test_DEPENDENCIES): Define.
11456         (many_sections_r_test_LDFLAGS): Define.
11457         (many_sections_r_test_LDADD): Define.
11458         (many_sections_r_test.o): New target.
11459         * testsuite/Makefile.in: Rebuild.
11460
11461 2008-04-17  Cary Coutant  <ccoutant@google.com>
11462
11463         * errors.cc (Errors::info): New function.
11464         (gold_info): New function.
11465         * errors.h (Errors::info): New function.
11466         * gold.h (gold_info): New function.
11467         * object.cc (Input_objects::add_object): Print trace output.
11468         * options.cc (options::parse_set): New function.
11469         (General_options::parse_wrap): Deleted.
11470         (General_options::General_options): Deleted initializer.
11471         * options.h (options::String_set): New typedef.
11472         (options::parse_set): New function.
11473         (DEFINE_set): New macro.
11474         (General_options::wrap): Changed to use DEFINE_set. Changed
11475         callers of any_wrap_symbols and is_wrap_symbol.
11476         (General_options::trace, General_options::trace_symbol):
11477         New options.
11478         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11479         (General_options::wrap_symbols_): Deleted.
11480         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11481
11482 2008-04-17  David S. Miller  <davem@davemloft.net>
11483
11484         * options.cc (General_options::parse_V): New function.
11485         * options.h: Add entries for -V and -Qy.
11486
11487 2008-04-17  Ian Lance Taylor  <iant@google.com>
11488
11489         * common.cc (Symbol_table::allocate_commons): Remove options
11490         parameter.  Change caller.
11491         (Symbol_table::do_allocate_commons): Remove options parameter.
11492         Change caller.  Just call do_allocate_commons_list twice.
11493         (Symbol_table::do_allocate_commons_list): New function, broken out
11494         of do_allocate_commons.
11495         * common.h (class Allocate_commons_task): Remove options_ field.
11496         Update constructor.
11497         * symtab.cc (Symbol_table::Symbol_table): Initialize
11498         tls_commons_.
11499         (Symbol_table::add_from_object): Put TLS common symbols on
11500         tls_commons_ list.
11501         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11502         which are IN_OUTPUT_DATA.
11503         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11504         allocate_commons and do_allocate_commons declarations.  Declare
11505         do_allocate_commons_list.
11506         * gold.cc (queue_middle_tasks): Update creation of
11507         Allocate_commons_task to not pass options.
11508         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11509         (TLS_TEST_C_FLAGS): New variable.
11510         (tls_test_c_pic.o): New target.
11511         (tls_test_shared.so): Link in tls_test_c_pic.o.
11512         (tls_test_c_pic_ie.o): New target.
11513         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11514         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11515         (tls_test_c.o): New target.
11516         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11517         (tls_pic_test_LDADD): Likewise.
11518         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11519         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11520         (tls_test_c_gnu2.o): New target.
11521         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11522         tls_test_c_gnu2.o.
11523         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11524         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11525         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11526         * testsuite/tls_test.cc: Include "config.h".
11527         (t_last): Call t11_last.
11528         * testsuite/tls_test.h (t11, t11_last): Declare.
11529         * testsuite/tls_test_c.c: New file.
11530         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11531         * configure.ac: Check for OpenMP support.
11532         * configure, config.in, Makefile.in: Rebuild.
11533         * testsuite/Makefile.in: Rebuild.
11534
11535 2008-04-16  Cary Coutant  <ccoutant@google.com>
11536
11537         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11538         (Target_i386::tls_base_symbol_defined_): New field.
11539         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11540         (Target_i386::Scan::global): Likewise.
11541         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11542         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11543         (Target_x86_64::tls_base_symbol_defined_): New field.
11544         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11545         (Target_x86_64::Scan::global): Likewise.
11546
11547 2008-04-16  Cary Coutant  <ccoutant@google.com>
11548
11549         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11550         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11551         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11552         building shared libraries.
11553         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11554         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11555         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11556         * testsuite/Makefile.in: Rebuild.
11557         * testsuite/weak_undef.h: New file.
11558         * testsuite/weak_undef_file1.cc: Add extra test cases.
11559         * testsuite/weak_undef_file2.cc: Likewise.
11560         * testsuite/weak_undef_test.cc: Likewise.
11561
11562 2008-04-16  David S. Miller  <davem@davemloft.net>
11563
11564         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11565         Add issued_non_pic_error_ field.  Declare check_non_pic.
11566         (Target_sparc::Scan::check_non_pic): New function.
11567         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11568         (Target_sparc::Scan::global): Likewise.
11569
11570         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11571         * configure: Rebuild.
11572
11573         * options.h (DEFINE_enable): New macro.
11574         (new_dtags): New enable option.
11575         (initfirst, interpose, loadfltr, nodefaultlib,
11576         nodelete, nodlopen, nodump): New -z options.
11577         * layout.cc (Layout:finish_dynamic_section): If new
11578         dtags enabled, emit DT_RUNPATH.  Also, emit a
11579         DT_FLAGS_1 containing any specified -z flags.
11580
11581 2008-04-16  Ian Lance Taylor  <iant@google.com>
11582
11583         * copy-relocs.cc: New file.
11584         * copy-relocs.h: New file.
11585         * reloc.cc: Remove Copy_relocs code.
11586         * reloc.h: Likewise.
11587         * reloc-types.h (struct Reloc_types) [both versions]: Add
11588         get_reloc_addend_noerror.
11589         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11590         variants of add_global which take an addend which must be zero.
11591         * i386.cc: Include "copy-relocs.h".
11592         (class Target_i386): Change type of copy_relocs_ to variable,
11593         update initializer.
11594         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11595         Change all callers.
11596         (Target_i386::do_finalize_sections): Change handling of
11597         copy_relocs_.
11598         * sparc.cc: Include "copy-relocs.h".
11599         (class Target_sparc): Change type of copy_relocs_ to variable,
11600         update initializer.
11601         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11602         Change all callers.
11603         (Target_sparc::do_finalize_sections): Change handling of
11604         copy_relocs_.
11605         * x86_64.cc: Include "copy-relocs.h".
11606         (class Target_x86_64): Change type of copy_relocs_ to variable,
11607         update initializer.
11608         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11609         class.  Change all callers.
11610         (Target_x86_64::do_finalize_sections): Change handling of
11611         copy_relocs_.
11612         * Makefile.am (CCFILES): Add copy-relocs.cc.
11613         (HFILES): Add copy-relocs.h.
11614
11615         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11616
11617         * testsuite/script_test_4.sh: Permit leading zeroes.
11618
11619 2008-04-15  Ian Lance Taylor  <iant@google.com>
11620
11621         * script-sections.cc (Script_sections::create_segments): Use
11622         header_size_adjustment even when there is enough room for the
11623         headers.
11624         * testsuite/script_test_4.sh: New file.
11625         * testsuite/script_test_4.t: New file.
11626         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11627         (check_DATA): Add script_test_4.stdout.
11628         (MOSTLYCLEANFILES): Likewise.
11629         (script_test_4): New target.
11630         (script_test_4.stdout): New target.
11631         * testsuite/Makefile.in: Rebuild.
11632
11633         * sparc.cc: Add definitions for Output_data_plt_sparc class
11634         constants.
11635
11636 2008-04-14  David S. Miller  <davem@davemloft.net>
11637
11638         * sparc.cc: New file.
11639         * Makefile.am (TARGETSOURCES): Add sparc.cc
11640         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11641         * configure.tgt: Document targ_extra_size and
11642         targ_extra_big_endian.  Add entries for sparc-* and
11643         sparc64-*.
11644         * configure.ac: Handle targ_extra_size and
11645         targ_extra_big_endian.
11646         * Makefile.in: Rebuild.
11647         * configure: Likewise.
11648         * po/POTFILES.in: Likewise.
11649         * po/gold.pot: Likewise.
11650
11651 2008-04-14  Ian Lance Taylor  <iant@google.com>
11652
11653         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11654         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11655         in the name/type/flags to section mapping.  Don't call
11656         allocate_output_section.
11657         (Layout::choose_output_section): Change parameter from adjust_name
11658         to is_input_section.  Don't permit input sections after sections
11659         are attached to segments.  Don't call allocate_output_section.
11660         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11661         not write_enable_output_section.
11662         (Layout::make_output_section): Don't push to
11663         unattached_section_list_ nor call attach_to_segment.  Call
11664         attach_section_to_segment if sections are attached.
11665         (Layout::attach_sections_to_segments): New function.
11666         (Layout::attach_section_to_segment): New function.
11667         (Layout::attach_allocated_section_to_segment): Rename from
11668         attach_to_segment.  Remove flags parameter.
11669         (Layout::allocate_output_section): Remove function.
11670         (Layout::write_enable_output_section): Remove function.
11671         * layout.h (class Layout): Update for above changes.  Add new
11672         field sections_are_attached_.
11673         * output.h (Output_section::update_flags_for_input_section): New
11674         function.
11675         * output.cc (Output_section::add_input_section): Call
11676         update_flags_for_input_section.
11677         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11678
11679 2008-04-11  Cary Coutant  <ccoutant@google.com>
11680
11681         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11682         thought unnecessary.
11683         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11684
11685 2008-04-11  Ian Lance Taylor  <iant@google.com>
11686
11687         * output.h (class Output_section_data): Remove inline definition
11688         of set_addralign.
11689         * output.cc (Output_section_data::set_addralign): New function.
11690
11691 2008-04-11  Cary Coutant  <ccoutant@google.com>
11692
11693         Add support for TLS descriptors for i386 and x86_64.
11694         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11695         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11696         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11697         GOT_TYPE_TLS_DESC.
11698         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11699         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11700         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11701         relocations.
11702         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11703         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11704         Fix problem with initial-exec relocations.
11705         (Target_i386::Relocate::relocate_tls): Likewise.
11706         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11707         relaxation.
11708         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11709         support for section-plus-offset dynamic table entries.
11710         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11711         (Output_data_dynamic::Dynamic_entry): Add support for
11712         section-plus-offset dynamic table entries.
11713         (Output_data_dynamic::Classification): Likewise.
11714         (Output_data_dynamic::classification_): Renamed offset_.
11715         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11716         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11717         (Target_x86_64::make_plt_section): New function.
11718         (Target_x86_64::reserve_tlsdesc_entries): New function.
11719         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11720         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11721         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11722         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11723         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11724         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11725         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11726         add extra PLT entry for TLS descriptors.
11727         (Output_data_plt_x86_64::got_): New field.
11728         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11729         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11730         fields.
11731         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11732         descriptors.
11733         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11734         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11735         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11736         R_386_TLS_DESC_CALL relocations.
11737         (Target_x86_64::Scan::global): Likewise.
11738         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11739         for TLS descriptors.
11740         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11741         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11742         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11743         GD-to-IE relaxation.
11744         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11745         and TLS_DESCRIPTORS.
11746         * Makefile.in: Rebuild.
11747         * configure: Rebuild.
11748         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11749         (tls_test_shared2.so): New target.
11750         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11751         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11752         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11753         (tls_shared_gd_to_ie_test_LDADD): New variable.
11754         (tls_shared_gnu2_gd_to_ie_test): New target.
11755         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11756         New targets.
11757         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11758         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11759         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11760         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11761         (tls_shared_gnu2_test): New target.
11762         (tls_test_gnu2_shared.so): New target.
11763         (tls_shared_gnu2_test_SOURCES): New variable.
11764         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11765         (tls_shared_gnu2_test_LDFLAGS): New variable.
11766         (tls_shared_gnu2_test_LDADD): New variable.
11767         * testsuite/Makefile.in: Rebuild.
11768         * testsuite/Makefile.
11769
11770 2008-04-11  Ian Lance Taylor  <iant@google.com>
11771
11772         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11773         justsyms.t.
11774         * testsuite/Makefile.in: Rebuild.
11775
11776         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11777         long.
11778         * testsuite/script_test_2.cc (main): Adjust test.
11779
11780 2008-04-11  David S. Miller  <davem@davemloft.net>
11781             Ian Lance Taylor  <iant@google.com>
11782
11783         * options.h (General_options): Add entries for '-Y' and
11784         '-relax'.
11785         * options.cc (General_options:finalize): If -Y was used, add those
11786         entries to the library path instead of the default "/lib" and
11787         "/usr/lib".
11788
11789 2008-04-11  David S. Miller  <davem@davemloft.net>
11790
11791         * testsuite/justsyms.t: Start at 0x100.
11792         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11793         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11794         long.
11795         * testsuite/script_test_2.cc: Adjust string and section length
11796         checks.
11797
11798 2008-04-09  Ian Lance Taylor  <iant@google.com>
11799
11800         PR gold/5996
11801         * script-sections.cc (Sections_element::allocate_to_segment): Add
11802         orphan parameter.
11803         (Output_section_definition::allocate_to_segment): Likewise.
11804         (Orphan_output_section::allocate_to_segment): Likewise.
11805         (Script_sections::attach_sections_using_phdrs_clause): Don't
11806         propagate non-PT_LOAD segments to orphan sections.
11807         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11808         readelf rather than objdump.
11809         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11810         .interp section and PT_INTERP segment are the same size.
11811         * testsuite/Makefile.in: Rebuild.
11812
11813         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11814         aliases for symbols defined in the same object.
11815         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11816         (weak_alias_test_SOURCES): New variable.
11817         (weak_alias_test_DEPENDENCIES): New variable.
11818         (weak_alias_test_LDFLAGS): New variable.
11819         (weak_alias_test_LDADD): New variable.
11820         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11821         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11822         (weak_alias_test_3.o): New target.
11823         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11824         * testsuite/weak_alias_test_main.cc: New file.
11825         * testsuite/weak_alias_test_1.cc: New file.
11826         * testsuite/weak_alias_test_2.cc: New file.
11827         * testsuite/weak_alias_test_3.cc: New file.
11828
11829 2008-04-08  Ian Lance Taylor  <iant@google.com>
11830
11831         * options.h (class General_options): Add --noinhibit-exec option.
11832         * main.cc (main): Check --noinhibit-exec.
11833
11834         * options.h (class General_options): Define --wrap as a special
11835         option.  Add wrap_symbols_ field.
11836         (General_options::any_wrap_symbols): New function.
11837         (General_options::is_wrap_symbol): New function.
11838         * options.cc (General_options::parse_wrap): New function.
11839         (General_options::General_options): Initialize wrap_symbols_.
11840         * symtab.cc (Symbol_table::wrap_symbol): New function.
11841         (Symbol_table::add_from_object): Handle --wrap.
11842         * symtab.h (class Symbol_table): Declare wrap_symbol.
11843         * target.h (Target::wrap_char): New function.
11844         (Target::Target_info): Add wrap_char field.
11845         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11846         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11847         * testsuite/testfile.cc (Target_test::test_target_info):
11848         Likewise.
11849
11850         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11851         there is one.
11852
11853         * layout.h (class Layout): Add added_eh_frame_data_ field.
11854         * layout.cc (Layout::Layout): Initialize new field.
11855         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11856         output section until we find a section we merged successfully.
11857         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11858         that the size be non-zero.
11859
11860         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11861         qualifier.
11862
11863 2008-04-08  Craig Silverstein  <csilvers@google.com>
11864
11865         * configure.ac: Export new conditional variable HAVE_ZLIB.
11866         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11867         on HAVE_ZLIB.
11868         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11869         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11870
11871 2008-04-07  Ian Lance Taylor  <iant@google.com>
11872
11873         * version.cc (version_string): Set to "1.5".
11874
11875         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11876         Add issued_non_pic_error_ field.  Declare check_non_pic.
11877         (Target_x86_64::Scan::check_non_pic): New function.
11878         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11879         (Target_x86_64::Scan::global): Likewise.
11880
11881         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11882         addend parameter.  Change caller.  Handle merge sections.
11883         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11884         Address to Addend.  Don't add in the result of
11885         local_section_offset, pass down the addend and use the returned
11886         value.
11887         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11888         Update declarations of local_section_offset and symbol_value.
11889         * testsuite/two_file_test_1.cc (t18): New function.
11890         * testsuite/two_file_test_2.cc (f18): New function.
11891         * testsuite/two_file_test_main.cc (main): Call t18.
11892         * testsuite/two_file_test.h (t18, f18): Declare.
11893
11894         * configure.ac: Don't test for objdump, c++filt, or readelf.
11895         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11896         conditionals.
11897         (TEST_READELF): New variable.
11898         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11899         (check_PROGRAMS): Add two_file_strip_test.
11900         (two_file_strip_test): New target.
11901         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11902         (two_file_same_shared_strip_test_SOURCES): New variable.
11903         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11904         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11905         (two_file_same_shared_strip_test_LDADD): New variable.
11906         (two_file_shared_strip.so): New target.
11907         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11908         (ver_test_5.syms, ver_test_7.syms): Likewise.
11909         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11910         (strip_test_3.stdout): Use TEST_OBJDUMP.
11911         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11912
11913 2008-04-04  Cary Coutant  <ccoutant@google.com>
11914
11915         * symtab.h (Symbol::is_weak_undefined): New function.
11916         (Symbol::is_strong_undefined): New function.
11917         (Symbol::is_absolute): New function.
11918         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11919         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11920         absolute symbols.
11921         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11922         (weak_undef_test): New target.
11923         * testsuite/Makefile.in: Rebuild.
11924         * testsuite/weak_undef_file1.cc: New file.
11925         * testsuite/weak_undef_file2.cc: New file.
11926         * testsuite/weak_undef_test.cc: New file.
11927
11928 2008-04-03  Craig Silverstein  <csilvers@google.com>
11929
11930         * compressed_output.h (class Output_compressed_section): Use
11931         unsigned buffer.
11932         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11933         add zlib header.
11934         (zlib_compressed_suffix): Removed.
11935         (Output_compressed_section::set_final_data_size): Use unsigned
11936         buffers.
11937         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11938         Fix linker invocation.
11939         (flagstest_o_specialfile_and_compress_debug_sections):
11940         Likewise.
11941         * testsuite/Makefile.in: Regenerated.
11942
11943 2008-04-02  David S. Miller  <davem@davemloft.net>
11944
11945         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11946         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11947
11948 2008-04-02  Craig Silverstein  <csilvers@google.com>
11949
11950         * TODO: New file.
11951
11952 2008-04-02  Ian Lance Taylor  <iant@google.com>
11953
11954         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11955         parameters.  Update for new key type to views_.  Change all
11956         callers.
11957         (File_read::read): Adjust for byteshift in returned view.
11958         (File_read::add_view): New function, broken out of
11959         find_and_make_view.
11960         (File_read::make_view): New function, broken out of
11961         find_and_make_view.
11962         (File_read::find_or_make_view): Add offset and aligned
11963         parameters.  Rewrite accordingly.  Change all callers.
11964         (File_read::get_view): Add offset and aligned parameters.  Adjust
11965         for byteshift in return value.
11966         (File_read::get_lasting_view): Likewise.
11967         * fileread.h (class File_read): Update declarations.
11968         (class File_read::View): Add byteshift_ field.  Add byteshift to
11969         constructor.  Add byteshift method.
11970         * archive.h (Archive::clear_uncached_views): New function.
11971         (Archive::get_view): Add aligned parameter.  Change all callers.
11972         * object.h (Object::get_view): Add aligned parameter.  Change all
11973         callers.
11974         (Object::get_lasting_view): Likewise.
11975
11976         * fileread.cc (File_read::release): Don't call clear_views if
11977         there are multiple objects.
11978         * fileread.h (File_read::clear_uncached_views): New function.
11979         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11980         on the archive.
11981
11982 2008-03-31  Cary Coutant  <ccoutant@google.com>
11983
11984         Add thin archive support.
11985         * archive.cc (Archive::armagt): New const.
11986         (Archive::setup): Remove task parameter and calls to unlock.
11987         (Archive::unlock_nested_archives): New function.
11988         (Archive::read_header): Add nested_off parameter. Change
11989         all callers.
11990         (Archive::interpret_header): Likewise.
11991         (Archive::include_all_members): Change to handle thin
11992         archives.
11993         (Archive::include_member): Likewise.
11994         * archive.h (Archive::Archive): Add new parameters and
11995         initializers.
11996         (Archive::armagt): New const.
11997         (Archive::setup): Remove task parameter.
11998         (Archive::unlock_nested_archives): New function.
11999         (Archive::read_header): Add nested_off parameter.
12000         (Archive::interpret_header): Likewise.
12001         (Archive::Nested_archive_table): New typedef.
12002         (Archive::is_thin_archive_): New field.
12003         (Archive::nested_archives_): New field.
12004         (Archive::options_): New field.
12005         (Archive::dirpath_): New field.
12006         (Archive::task_): New field.
12007         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12008         for thin archives.  Pass additional parameters to
12009         Archive::Archive.  Unlock the archive file after calling
12010         Archive::setup.
12011
12012 2008-03-29  Ian Lance Taylor  <iant@google.com>
12013
12014         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12015         version symbol to be local.
12016         * testsuite/ver_test_4.sh: New file.
12017         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12018         (check_DATA): Add ver_test_4.syms.
12019         (ver_test_4.syms): New target.
12020         * testsuite/Makefile.in: Rebuild.
12021
12022         * output.cc
12023         (Output_section::Input_section_sort_entry::has_priority): New
12024         function.
12025         (Output_section::Input_section_sort_entry::match_file_name): New
12026         function.
12027         (Output_section::Input_section_sort_entry::match_section_name):
12028         Remove.
12029         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12030         Remove.
12031         (Output_section::Input_section_sort_entry::match_section_file):
12032         Remove.
12033         (Output_section::Input_section_sort_compare::operator()): Rewrite
12034         using new Input_section_sort_entry functions.  Sort crtbegin and
12035         crtend first.  Sort sections with no priority before sections with
12036         a priority.
12037         * testsuite/initpri1.c (d3): Check j != 4.
12038         (cd5): New constructor/destructor function.
12039         (main): Check j != 2.
12040
12041         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12042         new symbol when resolving, don't call set_is_default.
12043         * testsuite/ver_test_7.cc: New file.
12044         * testsuite/ver_test_7.sh: New file.
12045         * testsuite/Makefile.am (ver_test_7.so): New target.
12046         (ver_test_7.o): New target.
12047         (check_SCRIPTS): Add ver_test_7.sh.
12048         (check_DATA): Add ver_test_7.syms.
12049         (ver_test_7.syms): New target.
12050
12051 2008-03-28  Ian Lance Taylor  <iant@google.com>
12052
12053         * layout.cc (Layout::layout): If we see an input section with a
12054         name that needs sorting, set the must_sort flag for the output
12055         section.
12056         (Layout::make_output_section): If the name of the output section
12057         indicates that it might require sorting, set the may_sort flag.
12058         * output.h (Output_section::may_sort_attached_input_sections): New
12059         function.
12060         (Output_section::set_may_sort_attached_input_sections): New
12061         function.
12062         (Output_section::must_sort_attached_input_sections): New
12063         function.
12064         (Output_section::set_must_sort_attached_input_sections): New
12065         function.
12066         (class Output_section): Declare Input_section_sort_entry.  Define
12067         Input_section_sort_compare.  Declare
12068         sort_attached_input_sections.  Add new fields:
12069         may_sort_attached_input_sections_,
12070         must_sort_attached_input_sections_,
12071         attached_input_sections_are_sorted_.
12072         * output.cc (Output_section::Output_section): Initialize new
12073         fields.
12074         (Output_section::add_input_section): Add an entry to
12075         input_sections_ if may_sort or must_sort are true.
12076         (Output_section::set_final_data_size): Call
12077         sort_attached_input_sections if necessary.
12078         (Output_section::Input_section_sort_entry): Define new class.
12079         (Output_section::Input_section_sort_compare::operator()): New
12080         function.
12081         (Output_section::sort_attached_input_sections): New function.
12082         * configure.ac: Check whether the compiler supports constructor
12083         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12084         * testsuite/initpri1.c: New file.
12085         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12086         CONSTRUCTOR_PRIORITY.
12087         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12088         (initpri1_LDFLAGS): New variable.
12089         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12090
12091 2008-03-27  Ian Lance Taylor  <iant@google.com>
12092
12093         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12094         * testsuite/common_test_1.c: New file.
12095         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12096         (common_test_1_SOURCES): New variable.
12097         (common_test_1_DEPENDENCIES): New variable.
12098         (common_test_1_LDFLAGS): New variable.
12099
12100         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12101         and commons_ correctly when NAME/VERSION does not override
12102         NAME/NULL.
12103         * testsuite/ver_test_6.c: New file.
12104         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12105         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12106         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12107
12108 2008-03-26  Ian Lance Taylor  <iant@google.com>
12109
12110         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12111         of an undefined symbol from a version script.
12112         * testsuite/Makefile.am (ver_test_5.so): New target.
12113         (ver_test_5.o): New target.
12114         (check_SCRIPTS): Add ver_test_5.sh.
12115         (check_DATA): Add ver_test_5.syms.
12116         (ver_test_5.syms): New target.
12117         * testsuite/ver_test_5.cc: New file.
12118         * testsuite/ver_test_5.script: New file.
12119         * testsuite/ver_test_5.sh: New file.
12120         * Makefile.in, testsuite/Makefile.in: Rebuild.
12121
12122         PR gold/5986
12123         Fix problems building gold with gcc 4.3.0.
12124         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12125         (gold_error_at_location, gold_warning_at_location): Use it.
12126         * configure.ac: Check whether we can compile and use a template
12127         function with a printf attribute.
12128         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12129         when jumping over bytes.
12130         * object.cc: Instantiate Object::read_section_data.
12131         * debug.h: Include <cstring>
12132         * dwarf_reader.cc: Include <algorithm>
12133         * main.cc: Include <cstring>.
12134         * options.cc: Include <cstring>.
12135         * output.cc: Include <cstring>.
12136         * script.cc: Include <cstring>.
12137         * script.h: Include <string>.
12138         * symtab.cc: Include <cstring> and <algorithm>.
12139         * target-select.cc: Include <cstring>.
12140         * version.cc: Include <string>.
12141         * testsuite/testmain.cc: Include <cstdlib>.
12142         * configure, config.in: Rebuild.
12143
12144 2008-03-25  Ian Lance Taylor  <iant@google.com>
12145
12146         * options.cc: Include "../bfd/bfdver.h".
12147         (options::help): Print bug reporting address.
12148
12149         * version.cc (print_version): Adjust output for current value of
12150         BFD_VERSION_STRING.
12151
12152         * NEWS: New file.
12153
12154         * options.cc (options::help): Print list of supported targets.
12155         * target-select.h: Include <vector>.
12156         (class Target_selector): Make machine_, size_, and is_big_endian_
12157         fields const.  Add bfd_name_ and instantiated_target_ fields.
12158         (Target_selector::Target_selector): Add bfd_name parameter.
12159         (Target_selector::recognize): Make non-virtual, call
12160         do_recognize.
12161         (Target_selector::recognize_by_name): Make non-virtual, call
12162         do_recognize_by_name.
12163         (Target_selector::supported_names): New function.
12164         (Target_selector::bfd_name): New function.
12165         (Target_selector::do_instantiate_target): New pure virtual
12166         function.
12167         (Target_selector::do_recognize): New virtual function.
12168         (Target_selector::do_recognize_by_name): New virtual function.
12169         (Target_selector::instantiate_target): New private function.
12170         (supported_target_names): Declare.
12171         * target-select.cc (Target_selector::Target_selector): Update for
12172         new parameter and fields.
12173         (select_target_by_name): Check that the name matches before
12174         calling recognize_by_name.
12175         (supported_target_names): New function.
12176         * i386.cc (class Target_selector_i386): Update Target_selector
12177         constructor call.  Remove recognize and recognize_by_name.  Add
12178         do_instantiate_target.
12179         * x86_64.cc (class Target_selector_x86_64): Likewise.
12180         * testsuite/testfile.cc (class Target_selector_test): Update for
12181         changes to Target_selector.
12182
12183         * README: Rewrite, with some notes on unsupported features.
12184
12185 2008-03-24  Cary Coutant  <ccoutant@google.com>
12186
12187         * i386.cc (Target_i386::Got_type): New enum declaration.
12188         (Target_i386::Scan::local): Updated callers of Output_data_got
12189         member functions.
12190         (Target_i386::Scan::global): Likewise.
12191         (Target_i386::Relocate::relocate): Likewise.
12192         (Target_i386::Relocate::relocate_tls): Likewise.
12193         * object.h (Got_offset_list): New class.
12194         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12195         (Sized_relobj::local_got_offset): Likewise.
12196         (Sized_relobj::set_local_got_offset): Likewise.
12197         (Sized_relobj::local_has_tls_got_offset): Removed.
12198         (Sized_relobj::local_tls_got_offset): Removed.
12199         (Sized_relobj::set_local_tls_got_offset): Removed.
12200         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12201         * output.cc (Output_data_got::add_global): Added got_type parameter.
12202         (Output_data_got::add_global_with_rel): Likewise.
12203         (Output_data_got::add_global_with_rela): Likewise.
12204         (Output_data_got::add_global_pair_with_rel): New function.
12205         (Output_data_got::add_global_pair_with_rela): New function.
12206         (Output_data_got::add_local): Added got_type parameter.
12207         (Output_data_got::add_local_with_rel): Likewise.
12208         (Output_data_got::add_local_with_rela): Likewise.
12209         (Output_data_got::add_local_pair_with_rel): New function.
12210         (Output_data_got::add_local_pair_with_rela): New function.
12211         (Output_data_got::add_global_tls): Removed.
12212         (Output_data_got::add_global_tls_with_rel): Removed.
12213         (Output_data_got::add_global_tls_with_rela): Removed.
12214         (Output_data_got::add_local_tls): Removed.
12215         (Output_data_got::add_local_tls_with_rel): Removed.
12216         (Output_data_got::add_local_tls_with_rela): Removed.
12217         * output.h (Output_data_got::add_global): Added got_type parameter.
12218         (Output_data_got::add_global_with_rel): Likewise.
12219         (Output_data_got::add_global_with_rela): Likewise.
12220         (Output_data_got::add_global_pair_with_rel): New function.
12221         (Output_data_got::add_global_pair_with_rela): New function.
12222         (Output_data_got::add_local): Added got_type parameter.
12223         (Output_data_got::add_local_with_rel): Likewise.
12224         (Output_data_got::add_local_with_rela): Likewise.
12225         (Output_data_got::add_local_pair_with_rel): New function.
12226         (Output_data_got::add_local_pair_with_rela): New function.
12227         (Output_data_got::add_global_tls): Removed.
12228         (Output_data_got::add_global_tls_with_rel): Removed.
12229         (Output_data_got::add_global_tls_with_rela): Removed.
12230         (Output_data_got::add_local_tls): Removed.
12231         (Output_data_got::add_local_tls_with_rel): Removed.
12232         (Output_data_got::add_local_tls_with_rela): Removed.
12233         * resolve.cc (Symbol::override_base_with_special): Removed
12234         reference to has_got_offset_ field.
12235         * symtab.cc (Symbol::init_fields): Replaced initialization
12236         of got_offset_ with got_offsets_.  Removed initialization
12237         of has_got_offset_
12238         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12239         (Symbol::got_offset): Likewise.
12240         (Symbol::set_got_offset): Likewise.
12241         (Symbol::has_tls_got_offset): Removed.
12242         (Symbol::tls_got_offset): Removed.
12243         (Symbol::set_tls_got_offset): Removed.
12244         (Symbol::got_offset_): Removed.
12245         (Symbol::tls_mod_got_offset_): Removed.
12246         (Symbol::tls_pair_got_offset_): Removed.
12247         (Symbol::got_offsets_): New field.
12248         (Symbol::has_got_offset): Removed.
12249         (Symbol::has_tls_mod_got_offset): Removed.
12250         (Symbol::has_tls_pair_got_offset): Removed.
12251         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12252         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12253         member functions.
12254         (Target_x86_64::Scan::global): Likewise.
12255         (Target_x86_64::Relocate::relocate): Likewise.
12256         (Target_x86_64::Relocate::relocate_tls): Likewise.
12257
12258 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12259
12260         * yyscript.y: Fix spelling error in comment.
12261
12262 2008-03-24  Ian Lance Taylor  <iant@google.com>
12263
12264         * options.h (class General_options): Define build_id option.
12265         * layout.h (class Layout): Declare write_build_id, create_note,
12266         create_build_id.  Add build_id_note_ member.
12267         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12268         "libiberty.h", "md5.h", "sha1.h".
12269         (Layout::Layout): Initialize eh_frame_data_,
12270         eh_frame_hdr_section_, and build_id_note_.
12271         (Layout::finalize): Call create_build_id.
12272         (Layout::create_note): New function, broken out of
12273         Layout::create_gold_note.
12274         (Layout::create_gold_note): Call create_note.
12275         (Layout::create_build_id): New function.
12276         (Layout::write_build_id): New function.
12277         (Close_task_runner::run): Call write_build_id.
12278
12279         * x86_64.cc: Correct license to GPLv3.
12280
12281 2008-03-23  Ian Lance Taylor  <iant@google.com>
12282
12283         * options.cc: Include "demangle.h".
12284         (parse_optional_string): New function.
12285         (parse_long_option): Handle takes_optional_argument.
12286         (parse_short_option): Update dash_z initializer.  Handle
12287         takes_optional_argument.
12288         (General_options::General_options): Initialize do_demangle_.
12289         (General_options::finalize): Set do_demangle_.  Handle demangling
12290         style.
12291         * options.h (parse_optional_string): Declare.
12292         (struct One_option): Add optional_arg field.  Update constructor.
12293         Update call constructor calls.  Add takes_optional_argument
12294         function.
12295         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12296         (DEFINE_optional_string): Define.
12297         (General_options::demangle): Change from DEFINE_bool to
12298         DEFINE_optional_string.
12299         (General_options::no_demangle): New function.
12300         (General_options::do_demangle): New function.
12301         (General_options::set_do_demangle): New function.
12302         (General_options::execstack_status_): Move definition to end of
12303         class definition.
12304         (General_options::static_): Likewise.
12305         (General_options::do_demangle_): New field.
12306         * object.cc (big_endian>::get_symbol_location_info): Call
12307         Options::do_demangle, not Options::demangle.
12308         * symtab.cc (demangle): Likewise.
12309
12310 2008-03-22  Ian Lance Taylor  <iant@google.com>
12311
12312         * gold.h: Include <cstddef> and <sys/types.h>
12313         * options.h: Include <cstring>.
12314
12315 2008-03-21  Ian Lance Taylor  <iant@google.com>
12316
12317         * Added source code to GNU binutils.