gold/ChangeLog

   1 2011-11-25  Nick Clifton  <nickc@redhat.com>
   2
   3         * po/it.po: New Italian translation.
   4
   5 2011-11-17  Sterling Augustine  <saugustine@google.com>
   6
   7         * script.cc (script_include_directive): Implement.
   8         (read_script_file): New local variables name and search_path. Update
   9         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
  10         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
  11         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
  12
  13 2011-11-11  Sterling Augustine  <saugustine@google.com>
  14
  15         * yyscript.y (section_cmd): Add support for INCLUDE directive.
  16         (file_or_sections_cmd): Likewise.
  17
  18 2011-11-11  Doug Kwan  <dougkwan@google.com>
  19
  20         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
  21         if --just-symbols is given.
  22
  23 2011-11-10  Doug Kwan  <dougkwan@google.com>
  24
  25         PR gold/13362
  26         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
  27         when processing data relocs.
  28         * reloc.h (Relocate_functions::rel_unaligned): New method.
  29         (Relocate_functions::pcrel_unaligned): Ditto.
  30         (Relocate_functions::rel32_unaligned): Ditto.
  31         (Relocate_functions::pcrel32_unaligned): Ditto.
  32
  33 2011-11-09  Doug Kwan  <dougkwan@google.com>
  34
  35         PR gold/13362
  36         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
  37         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
  38         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
  39         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
  40         (Relocate_functions::rel_unaligned): New.
  41         (Relocate_functions::rel32_unaligned): New.
  42         * target-reloc.h (relocate_for_relocatable): Add code to handle
  43         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
  44         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
  45         arm_unaligned_reloc_r): New targets.
  46         * testsuite/Makefile.in: Regenerate.
  47         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
  48         linking.
  49
  50 2011-11-02  Ian Lance Taylor  <iant@google.com>
  51
  52         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
  53         NATIVE_LINKER.
  54         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
  55         * options.cc (General_options::finalize): Use library search path
  56         from configure script if specified.  If not native and no sysroot,
  57         only search TOOLLIBDIR.
  58         * options.h (Search_directory::Search_directory): Change name to
  59         const std::string&.
  60         (General_options::add_to_library_path_with_sysroot): Change arg to
  61         const std::string&.
  62         * configure, Makefile.in, config.in: Rebuild.
  63
  64 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
  65
  66         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
  67         we are working around the ARM1176 Erratum.
  68         * options.h (General_options::fix_arm1176): Add option.
  69         * testsuite/Makefile.am: Add testcases, and keep current ones
  70         working.
  71         * testsuite/Makefile.in: Regenerate.
  72         * testsuite/arm_fix_1176.s: New file.
  73         * testsuite/arm_fix_1176.sh: Likewise.
  74
  75 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
  76
  77         * arm.cc (Target_arm::Target_arm): Remove initialisation of
  78         may_use_blx_.
  79         (Target_arm::may_use_blx): Remove method.
  80         (Target_arm::set_may_use_blx): Likewise.
  81         (Target_arm::may_use_v4t_interworking): New method.
  82         (Target_arm::may_use_v5t_interworking): Likewise.
  83         (Target_arm::may_use_blx_): Remove member variable.
  84         (Arm_relocate_functions::arm_branch_common): Check for v5T
  85         interworking.
  86         (Arm_relocate_functions::thumb_branch_common): Likewise.
  87         (Reloc_stub::stub_type_for_reloc): Likewise.
  88         (Target_arm::do_finalize_sections): Correct interworking checks.
  89         * testsuite/Makefile.am: Add new tests.
  90         * testsuite/Makefile.in: Regenerate.
  91         * testsuite/arm_farcall_arm_arm.s: New test.
  92         * testsuite/arm_farcall_arm_arm.sh: Likewise.
  93         * testsuite/arm_farcall_arm_thumb.s: Likewise.
  94         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
  95         * testsuite/arm_farcall_thumb_arm.s: Likewise.
  96         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
  97         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
  98         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
  99
 100 2011-10-31  Cary Coutant  <ccoutant@google.com>
 101
 102         PR gold/13023
 103         * expression.cc (Expression::eval_with_dot): Add
 104         is_section_dot_assignment parameter.
 105         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
 106         absolute and assigning to dot within a section.
 107         * script-sections.cc
 108         (Output_section_element_assignment::set_section_addresses): Pass
 109         dot_section to set_if_absolute.
 110         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
 111         as is_section_dot_assignment flag to eval_with_dot.
 112         (Output_section_element_dot_assignment::set_section_addresses):
 113         Likewise.
 114         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
 115         parameter.  Also set value if relative to dot_section; set the
 116         symbol's output_section.
 117         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
 118         parameter.  Adjust all callers.
 119         (Expression::eval_maybe_dot): Likewise.
 120         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
 121         Adjust all callers.
 122         * testsuite/script_test_2.t: Test assignment of an absolute value
 123         to dot within an output section element.
 124
 125 2011-10-31  Cary Coutant  <ccoutant@google.com>
 126
 127         * options.h (class General_options): Add --[no-]gnu-unique options.
 128         * symtab.cc (Symbol_table::sized_write_globals): Convert
 129         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
 130
 131 2011-10-31  Cary Coutant  <ccoutant@google.com>
 132
 133         PR gold/13359
 134         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
 135         unnecessary assertion.
 136         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
 137
 138 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
 139
 140         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 141         gc_mark_symbol.
 142         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
 143         gc_mark_symbol.
 144         Change to just keep the section associated with symbol.
 145         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
 146         they are externally visible and --export-dynamic is turned on.
 147         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
 148
 149 2011-10-19  Ian Lance Taylor  <iant@google.com>
 150
 151         PR gold/13163
 152         * script-sections.cc
 153         (Output_section_element_dot_assignment::needs_output_section): New
 154         function.
 155
 156 2011-10-19  Ian Lance Taylor  <iant@google.com>
 157
 158         PR gold/13204
 159         * layout.cc (Layout::segment_precedes): Don't assert failure if a
 160         --section-start option was seen.
 161         * options.h (General_options::any_section_start): New function.
 162
 163 2011-10-18  David S. Miller  <davem@davemloft.net>
 164
 165         PR binutils/13301
 166         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
 167         member to track relocation locations that have moved during TLS
 168         reloc optimizations.
 169         (Target_sparc::Relocate::Relocate): Initialize to NULL.
 170         (Target_sparc::Relocate::relocate): Adjust view down by 4
 171         bytes if it matches reloc_adjust_addr_.
 172         (Target_sparc::Relocate::relocate_tls): Always move the
 173         __tls_get_addr call delay slot instruction forward 4 bytes when
 174         performing relaxation.
 175
 176 2011-10-18  Cary Coutant  <ccoutant@google.com>
 177
 178         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
 179         (Output_file::map_no_anonymous): Check for non-zero
 180         return code from posix_fallocate.
 181
 182 2011-10-17  Cary Coutant  <ccoutant@google.com>
 183
 184         PR gold/13245
 185         * plugin.cc (is_visible_from_outside): Check for symbols
 186         referenced from dynamic objects.
 187         * resolve.cc (Symbol_table::resolve): Don't count references
 188         from dynamic objects as references from real ELF files.
 189         * testsuite/plugin_test_2.sh: Adjust expected result.
 190
 191 2011-10-17  Cary Coutant  <ccoutant@google.com>
 192
 193         * gold.cc: Include timer.h.
 194         (queue_middle_tasks): Stamp time.
 195         (queue_final_tasks): Likewise.
 196         * main.cc (main): Store timer in parameters.  Print timers
 197         for each pass.
 198         * parameters.cc (Parameters::Parameters): Initialize timer_.
 199         (Parameters::set_timer): New function.
 200         (set_parameters_timer): New function.
 201         * parameters.h (Parameters::set_timer): New function.
 202         (Parameters::timer): New function.
 203         (Parameters::timer_): New data member.
 204         (set_parameters_timer): New function.
 205         * timer.cc (Timer::stamp): New function.
 206         (Timer::get_pass_time): New function.
 207         * timer.h (Timer::stamp): New function.
 208         (Timer::get_pass_time): New function.
 209         (Timer::pass_times_): New data member.
 210
 211 2011-10-17  Cary Coutant  <ccoutant@google.com>
 212
 213         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
 214         task for members of lib groups.
 215
 216 2011-10-17  Cary Coutant  <ccoutant@google.com>
 217
 218         PR gold/13288
 219         * fileread.cc (File_read::find_view): Add assert.
 220         (File_read::make_view): Move bounds check (replace with assert)...
 221         (File_read::find_or_make_view): ... to here.
 222
 223 2011-10-12  Cary Coutant  <ccoutant@google.com>
 224
 225         * output.cc (Output_file::open_base_file): Handle case where
 226         ::read returns less than requested size.
 227
 228 2011-10-10  Cary Coutant  <ccoutant@google.com>
 229
 230         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
 231         Initialize defined_count_.
 232         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
 233         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
 234         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
 235         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
 236         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
 237         * incremental.h (Sized_relobj_incr::defined_count_): New data
 238         member.
 239         (Sized_incr_dynobj::defined_count_): New data member.
 240         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
 241         Return zeroes instead of internal error.
 242
 243 2011-10-10  Cary Coutant  <ccoutant@google.com>
 244
 245         PR gold/13249
 246         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
 247         (Output_reloc::symbol_value): Return PLT offset if flag is set.
 248         * output.h (class Output_reloc): Add use_plt_offset flag.
 249         (Output_reloc::type_): Adjust size of bit field.
 250         (Output_reloc::use_plt_offset_): New bit field.
 251         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
 252         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
 253         flag.  Adjust all callers.
 254         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
 255         creating RELATIVE relocations.
 256
 257 2011-10-10  Nick Clifton  <nickc@redhat.com>
 258
 259         * po/es.po: Updated Spanish translation.
 260         * po/fi.po: Updated Finnish translation.
 261
 262 2011-10-03   Diego Novillo  <dnovillo@google.com>
 263
 264         * options.cc (parse_uint): Fix dereference of RETVAL.
 265
 266 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
 267
 268         * layout.h (section_order_map_): New member.
 269         (get_section_order_map): New member function.
 270         * output.cc (Output_section::add_input_section): Check for patterns
 271         only when --section-ordering-file is specified.
 272         * gold.cc (queue_middle_tasks): Delay updating order of sections till
 273         output_sections have been formed.
 274         * layout.cc (Layout_Layout): Initialize section_order_map_.
 275         * plugin.cc (update_section_order): Store order in order_map. Do not
 276         update the order.
 277         * testsuite/Makefile.am: Add test case for plugin_final_layout.
 278         * testsuite/Makefile.in: Regenerate.
 279         * testsuite/plugin_section_order.c: New file.
 280         * testsuite/plugin_final_layout.cc: New file.
 281         * testsuite/plugin_final_layout.sh: New file.
 282
 283 2011-09-29  Cary Coutant  <ccoutant@google.com>
 284
 285         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
 286         Check for NULL.
 287         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
 288         symbols during incremental update.
 289         (Symbol_table::add_from_dynobj): Likewise.
 290
 291 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
 292             Ian Lance Taylor  <iant@google.com>
 293
 294         * symtab.cc (Symbol_table::define_special_symbol): Always
 295         canonicalize version string.
 296
 297 2011-09-26  Cary Coutant  <ccoutant@google.com>
 298
 299         * gold.cc (queue_initial_tasks): Move option checks ...
 300         * options.cc (General_options::finalize): ... to here. Disable
 301         some options; make others fatal.
 302
 303 2011-09-26  Cary Coutant  <ccoutant@google.com>
 304
 305         gcc PR lto/47247
 306         * plugin.cc (get_symbols_v2): New function.
 307         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
 308         (is_referenced_from_outside): New function.
 309         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
 310         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
 311         (get_symbols): Pass version parameter.
 312         (get_symbols_v2): New function.
 313         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
 314         parameter.
 315         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
 316         (onload): Add LDPT_GET_SYMBOLS_V2.
 317         (all_symbols_read_hook): Use get_symbols_v2; check for
 318         LDPR_PREVAILING_DEF_IRONLY_EXP.
 319         * testsuite/plugin_test_3.sh: Update expected results.
 320
 321 2011-09-23  Simon Baldwin  <simonb@google.com>
 322
 323         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
 324         configuration options.
 325         * configure: Regenerate.
 326         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
 327         * Makefile.in: Regenerate.
 328         * testsuite/Makefile.in: Regenerate.
 329
 330 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
 331
 332         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
 333
 334 2011-09-19  Cary Coutant  <ccoutant@google.com>
 335
 336         * incremental.cc (can_incremental_update): Fix typo in comment.
 337         * incremental.h (can_incremental_update): Likewise.
 338
 339 2011-09-18  Cary Coutant  <ccoutant@google.com>
 340
 341         * incremental.cc (can_incremental_update): New function.
 342         * incremental.h (can_incremental_update): New function.
 343         * layout.cc (Layout::init_fixed_output_section): Call it.
 344         (Layout::make_output_section): Don't allow patch space in .eh_frame.
 345         * object.cc (Sized_relobj_file::do_layout): Call
 346         can_incremental_update.
 347
 348 2011-09-13  Cary Coutant  <ccoutant@google.com>
 349
 350         * configure.ac: Check for glibc support for gnu_indirect_function
 351         support with static linking, setting automake conditional
 352         IFUNC_STATIC.
 353         * Makefile.in: Regenerate.
 354         * configure: Regenerate.
 355
 356         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
 357         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
 358         for IFUNC_STATIC.
 359         * testsuite/Makefile.in: Regenerate.
 360
 361 2011-09-13  Cary Coutant  <ccoutant@google.com>
 362
 363         * incremental.cc (Sized_relobj_incr::do_layout): Call
 364         report_comdat_group for kept comdat sections.
 365         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
 366         * testsuite/Makefile.in: Regenerate.
 367         * testsuite/incr_comdat_test_1.cc: New source file.
 368         * testsuite/incr_comdat_test_2_v1.cc: New source file.
 369         * testsuite/incr_comdat_test_2_v2.cc: New source file.
 370         * testsuite/incr_comdat_test_2_v3.cc: New source file.
 371
 372 2011-09-13  Ian Lance Taylor  <iant@google.com>
 373
 374         * object.cc (Sized_relobj_file::do_layout): Remove unused local
 375         variable external_symbols_offset.
 376
 377 2011-09-12  Ian Lance Taylor  <iant@google.com>
 378
 379         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
 380         triggered if object has no symbols.
 381
 382 2011-09-09  David S. Miller  <davem@davemloft.net>
 383
 384         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
 385         (Output_fill_debug_line::do_write): Likewise.
 386
 387 2011-08-29  Cary Coutant  <ccoutant@google.com>
 388
 389         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
 390         casts to match formatting specs.
 391         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
 392
 393 2011-08-26  Cary Coutant  <ccoutant@google.com>
 394
 395         * layout.cc (Free_list::allocate): Provide guarantee of minimum
 396         remaining hole size when allocating.
 397         (Layout::make_output_section): Set fill methods for debug sections.
 398         * layout.h (Free_list::Free_list_node): Move from private to
 399         public.
 400         (Free_list::set_min_hole_size): New function.
 401         (Free_list::begin, Free_list::end): New functions.
 402         (Free_list::min_hole_): New data member.
 403         * output.cc: Include dwarf.h.
 404         (Output_fill_debug_info::do_minimum_hole_size): New function.
 405         (Output_fill_debug_info::do_write): New function.
 406         (Output_fill_debug_line::do_minimum_hole_size): New function.
 407         (Output_fill_debug_line::do_write): New function.
 408         (Output_section::Output_section): Initialize new data member.
 409         (Output_section::set_final_data_size): Ensure patch space is larger
 410         than minimum hole size.
 411         (Output_section::do_write): Fill holes in debug sections.
 412         * output.h (Output_fill): New class.
 413         (Output_fill_debug_info): New class.
 414         (Output_fill_debug_line): New class.
 415         (Output_section::set_free_space_fill): New function.
 416         (Output_section::free_space_fill_): New data member.
 417         * testsuite/Makefile.am (incremental_test_3): Add
 418         --incremental-patch option.
 419         (incremental_test_4): Likewise.
 420         (incremental_test_5): Likewise.
 421         (incremental_test_6): Likewise.
 422         (incremental_copy_test): Likewise.
 423         (incremental_common_test_1): Likewise.
 424         * testsuite/Makefile.in: Regenerate.
 425
 426 2011-08-26  Nick Clifton  <nickc@redhat.com>
 427
 428         * po/es.po: Updated Spanish translation.
 429
 430 2011-08-01  Cary Coutant  <ccoutant@google.com>
 431
 432         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
 433         * gold/testsuite/Makefile.in: Regenerate.
 434         * gold/testsuite/justsyms_exec.c: New source file.
 435         * gold/testsuite/justsyms_lib.c: New source file.
 436
 437 2011-08-01  Cary Coutant  <ccoutant@google.com>
 438
 439         * layout.cc (Layout::set_segment_offsets): Don't realign text
 440         segment if -Ttext was specified.
 441         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
 442         file type.
 443         * object.h (Sized_relobj_file::e_type): New function.
 444         (Sized_relobj_file::e_type_): New data member.
 445         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
 446         base address for ET_EXEC files.
 447         * target.cc (Target::do_make_elf_object_implementation): Allow
 448         ET_EXEC files with --just-symbols option.
 449
 450 2011-07-28  Cary Coutant  <ccoutant@google.com>
 451
 452         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
 453         Add thread_number parameter.
 454         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
 455         * workqueue-threads.cc
 456         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
 457         current thread if its thread number is greater than desired thread
 458         count.
 459         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
 460         Add thread_number parameter.
 461         (Workqueue::should_cancel_thread): Likewise.
 462         (Workqueue::find_runnable_or_wait): Pass thread_number to
 463         should_cancel_thread.
 464         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
 465         parameter.
 466
 467 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
 468
 469         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
 470         only after checking if it cannot be forced local.
 471         * symtab.h (is_externally_visible): Check if the symbol is not forced
 472         local.
 473
 474 2011-07-15  Ian Lance Taylor  <iant@google.com>
 475
 476         * options.h (class General_options): Add --print-output-format.
 477         Move -EL next to -EB, for  better --help output.
 478         * target-select.cc: Include <cstdio>, "options.h", and
 479         "parameters.h".
 480         (Target_selector::do_target_bfd_name): New function.
 481         (print_output_format): New function.
 482         * target-select.h (class Target_selector): Update declarations.
 483         (Target_selector::target_bfd_name): New function.
 484         (print_output_format): Declare.
 485         * main.cc: Include "target-select.h".
 486         (main): Handle --print-output-format.
 487         * gold.cc: Include "target-select.h".
 488         (queue_initial_tasks): Handle --print-output-format when there are
 489         no input files.
 490         * parameters.cc (parameters_force_valid_target): Give a better
 491         error message if -EB/-EL does not match target.
 492         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
 493         function.
 494
 495 2011-07-15  Ian Lance Taylor  <iant@google.com>
 496
 497         * i386.cc (class Output_data_plt_i386): Add layout_ field.
 498         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
 499         (Output_data_plt_i386::do_write): Write address of .dynamic
 500         section to first entry in .got.plt section.
 501         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
 502         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 503         Initialize layout_.
 504         (Output_data_plt_x86_64::do_write): Write address of .dynamic
 505         section to first entry in .got.plt section.
 506         * layout.h (Layout::dynamic_section): New function.
 507
 508 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
 509
 510         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
 511         to claim_file call.
 512         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
 513         input_section_position_, and input_section_glob_.
 514         (read_layout_from_file): Call function section_ordering_specified.
 515         * layout.h (is_section_ordering_specified): New function.
 516         (section_ordering_specified): New function.
 517         (section_ordering_specified_): New boolean member.
 518         * main.cc(main): Call load_plugins after layout object is defined.
 519         * output.cc (Output_section::add_input_section): Use
 520         function section_ordering_specified to check if section ordering is
 521         needed.
 522         * output.cc (Output_section::add_relaxed_input_section): Use
 523         function section_ordering_specified to check if section ordering is
 524         needed.
 525         (Output_section::update_section_layout): New function.
 526         (Output_section::sort_attached_input_sections): Check if input section
 527         must be reordered.
 528         * output.h (Output_section::update_section_layout): New function.
 529         * plugin.cc (get_section_count): New function.
 530         (get_section_type): New function.
 531         (get_section_name): New function.
 532         (get_section_contents): New function.
 533         (update_section_order): New function.
 534         (allow_section_ordering): New function.
 535         (Plugin::load): Add the new interfaces to the transfer vector.
 536         (Plugin_manager::load_plugins): New parameter.
 537         (Plugin_manager::all_symbols_read): New parameter.
 538         (Plugin_manager::claim_file): New parameter. Save the elf object for
 539         unclaimed objects.
 540         (Plugin_manager::get_elf_object): New function.
 541         (Plugin_manager::get_view): Change to directly use the bool to check
 542         if get_view is called from claim_file_hook.
 543         * plugin.h (input_objects): New function
 544         (Plugin__manager::load_plugins): New parameter.
 545         (Plugin_manager::claim_file): New parameter.
 546         (Plugin_manager::get_elf_object): New function.
 547         (Plugin_manager::in_claim_file_handler): New function.
 548         (Plugin_manager::in_claim_file_handler_): New member.
 549         (layout): New function.
 550         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
 551         handler with an extra parameter. Make the elf object before calling
 552         claim_file handler.
 553         * testsuite/plugin_test.c (get_section_count): New function pointer.
 554         (get_section_type): New function pointer.
 555         (get_section_name): New function pointer.
 556         (get_section_contents): New function pointer.
 557         (update_section_order): New function pointer.
 558         (allow_section_ordering): New function pointer.
 559         (onload): Check if the new interfaces exist.
 560
 561 2011-07-13  Ian Lance Taylor  <iant@google.com>
 562
 563         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
 564         relro section.
 565         * x86_64.cc (Target_x86_64::got_section): Likewise.
 566         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
 567         (relro_now_test_SOURCES): New variable.
 568         (relro_now_test_DEPENDENCIES): New variable.
 569         (relro_now_test_LDFLAGS): New variable.
 570         (relro_now_test_LDADD): New variable.
 571         (relro_now_test.so): New target.
 572         * testsuite/Makefile.in: Rebuild.
 573
 574 2011-07-12  Ian Lance Taylor  <iant@google.com>
 575
 576         PR gold/12980
 577         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
 578         GLOB_DAT relocation rather than a RELATIVE relocation for a
 579         protected symbol when creating a shared library.
 580         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
 581         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
 582         * testsuite/protected_main_1.cc (main): Test that protected
 583         function has same address.
 584
 585 2011-07-11  Ian Lance Taylor  <iant@google.com>
 586
 587         PR gold/12979
 588         * options.h (class General_options): Add -Bgroup.
 589         * options.cc (General_options::finalize): If -Bgroup is set,
 590         default to --unresolved-symbols=report-all.
 591         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
 592         * target-reloc.h (issue_undefined_symbol_error): Handle
 593         --unresolved-symbols=report-all.
 594
 595 2011-07-08  Ian Lance Taylor  <iant@google.com>
 596
 597         PR gold/11985
 598         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
 599         if linker script discards key sections.
 600         (Layout::create_dynamic_symtab): Likewise.
 601         (Layout::assign_local_dynsym_offsets): Likewise.
 602         (Layout::sized_create_version_sections): Likewise.
 603         (Layout::create_interp): Likewise.
 604         (Layout::finish_dynamic_section): Likewise.
 605         (Layout::set_dynamic_symbol_size): Likewise.
 606
 607 2011-07-08  Ian Lance Taylor  <iant@google.com>
 608
 609         PR gold/12386
 610         * options.h (class General_options): Add --unresolved-symbols.
 611         * target-reloc.h (issue_undefined_symbol_error): Check
 612         --unresolved-symbols.  Add comments.
 613
 614 2011-07-08  Ian Lance Taylor  <iant@google.com>
 615
 616         * testsuite/odr_violation2.cc (Ordering::operator()): Make
 617         expression more complex.
 618
 619 2011-07-08  Ian Lance Taylor  <iant@google.com>
 620
 621         PR gold/11317
 622         * target-reloc.h (issue_undefined_symbol_error): New inline
 623         function, broken out of relocate_section.
 624         (relocate_section): Call issue_undefined_symbol_error.
 625         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 626         there is no TLS segment if we are about to issue an undefined
 627         symbol error.
 628         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 629
 630 2011-07-08  Ian Lance Taylor  <iant@google.com>
 631
 632         PR gold/12279
 633         * resolve.cc (Symbol_table::should_override): Add fromtype
 634         parameter.  Change all callers.  Give error when linking together
 635         TLS and non-TLS symbol.
 636         (Symbol_table::should_override_with_special): Add fromtype
 637         parameter.  Change all callers.
 638         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
 639         there is no TLS segment if we have reported some errors.
 640         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
 641
 642 2011-07-08  Ian Lance Taylor  <iant@google.com>
 643
 644         PR gold/12372
 645         * target.h (Target::plt_address_for_global): New function.
 646         (Target::plt_address_for_local): New function.
 647         (Target::plt_section_for_global): Remove.
 648         (Target::plt_section_for_local): Remove.
 649         (Target::do_plt_address_for_global): New virtual function.
 650         (Target::do_plt_address_for_local): New virtual function.
 651         (Target::do_plt_section_for_global): Remove.
 652         (Target::do_plt_section_for_local): Remove.
 653         (Target::register_global_plt_entry): Add Symbol_table and Layout
 654         parameters.
 655         * output.cc (Output_data_got::Got_entry::write): Use
 656         plt_address_for_global and plt_address_for_local.
 657         * layout.cc (Layout::add_target_dynamic_tags): Use size and
 658         address of output section.
 659         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
 660         got_irelative_, and irelative_count_ fields.  Update
 661         declarations.
 662         (Output_data_plt_i386::has_irelative_section): New function.
 663         (Output_data_plt_i386::entry_count): Add irelative_count_.
 664         (Output_data_plt_i386::set_final_data_size): Likewise.
 665         (class Target_i386): Add got_irelative_ and rel_irelative_
 666         fields.  Update declarations.
 667         (Target_i386::Target_i386): Initialize new fields.
 668         (Target_i386::do_plt_address_for_global): New function replacing
 669         do_plt_section_for_global.
 670         (Target_i386::do_plt_address_for_local): New function replacing
 671         do_plt_section_for_local.
 672         (Target_i386::got_section): Create got_irelative_.
 673         (Target_i386::rel_irelative_section): New function.
 674         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
 675         fields.  Don't define __rel_iplt_{start,end}.
 676         (Output_data_plt_i386::add_entry): Add symtab and layout
 677         parameters.  Change all callers.  Use different PLT and GOT for
 678         IFUNC symbols.
 679         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
 680         layout parameters.  Change all callers.  Use different PLT and
 681         GOT.
 682         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
 683         (Output_data_plt_i386::rel_irelative): New function.
 684         (Output_data_plt_i386::address_for_global): New function.
 685         (Output_data_plt_i386::address_for_local): New function.
 686         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
 687         IRELATIVE GOT when changing IFUNC GOT entries.
 688         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
 689         reloc.
 690         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
 691         if we didn't create an IRELATIVE GOT.
 692         (Target_i386::Relocate::relocate): Use plt_address_for_global and
 693         plt_address_for_local.
 694         (Target_i386::do_dynsym_value): Use plt_address_for_global.
 695         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
 696         got_irelative_, and irelative_count_ fields.  Update
 697         declarations.
 698         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
 699         Initialize new fields.  Remove symtab parameter.  Change all
 700         callers.
 701         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
 702         irelative_count_.
 703         (Output_data_plt_x86_64::has_irelative_section): New function.
 704         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
 705         (class Target_x86_64): Add got_irelative_ and rel_irelative_
 706         fields.  Update declarations.
 707         (Target_x86_64::Target_x86_64): Initialize new fields.
 708         (Target_x86_64::do_plt_address_for_global): New function replacing
 709         do_plt_section_for_global.
 710         (Target_x86_64::do_plt_address_for_local): New function replacing
 711         do_plt_section_for_local.
 712         (Target_x86_64::got_section): Create got_irelative_.
 713         (Target_x86_64::rela_irelative_section): New function.
 714         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
 715         all callers.  Don't create __rel_iplt_{start,end}.
 716         (Output_data_plt_x86_64::add_entry): Add symtab and layout
 717         parameters.  Change all callers.  Use different PLT and GOT for
 718         IFUNC symbols.
 719         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
 720         layout parameters.  Change all callers.  Use different PLT and
 721         GOT.
 722         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
 723         parameters.  Change all callers.  Use different PLT and GOT for
 724         IFUNC symbols.
 725         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
 726         (Output_data_plt_x86_64::rela_irelative): New function.
 727         (Output_data_plt_x86_64::address_for_global): New function.
 728         (Output_data_plt_x86_64::address_for_local): New function.
 729         (Output_data_plt_x86_64::set_final_data_size): Likewise.
 730         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
 731         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
 732         (Target_x86_64::register_global_plt_entry): Add symtab and layout
 733         parameters.
 734         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
 735         reloc.
 736         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
 737         symbols if we didn't create an IRELATIVE GOT.
 738         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
 739         plt_address_for_local.
 740         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
 741         * testsuite/ifuncvar1.c: New test file.
 742         * testsuite/ifuncvar2.c: New test file.
 743         * testsuite/ifuncvar3.c: New test file.
 744         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
 745         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
 746         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
 747         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
 748         * testsuite/Makefile.in: Rebuild.
 749
 750 2011-07-07  Cary Coutant  <ccoutant@google.com>
 751
 752         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
 753         (two_file_test_1_ndebug.o): Likewise.
 754         (two_file_test_1b_ndebug.o): Likewise.
 755         (two_file_test_2_ndebug.o): Likewise.
 756         (two_file_test_main_ndebug.o): Likewise.
 757         (incremental_test_2): Link with no-debug versions.
 758
 759 2011-07-06  Cary Coutant  <ccoutant@google.com>
 760
 761         * gold/incremental.cc
 762         (Output_section_incremental_inputs::write_info_blocks): Check for
 763         hidden and internal symbols.
 764
 765 2011-07-06  Cary Coutant  <ccoutant@google.com>
 766
 767         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
 768         Check disposition for startup file.
 769         (Incremental_inputs::report_command_line): Ignore
 770         --incremental-startup-unchanged option.
 771         * options.cc (General_options::parse_incremental_startup_unchanged):
 772         New function.
 773         (General_options::General_options): Initialize new data member.
 774         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
 775         (General_options): Add --incremental-startup-unchanged option.
 776         (General_options::incremental_startup_disposition): New function.
 777         (General_options::incremental_startup_disposition_): New data member.
 778
 779 2011-07-06  Cary Coutant  <ccoutant@google.com>
 780
 781         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
 782         input file index to Script_info ctor.
 783         (Sized_incremental_binary::do_file_has_changed): Find the
 784         command-line argument for files named in scripts.
 785         * incremental.h (Script_info::Script_info): New ctor
 786         with input file index.
 787         (Script_info::input_file_index): New function.
 788         (Script_info::input_file_index_): New data member.
 789         (Incremental_binary::get_library): Add const.
 790         (Incremental_binary::get_script_info): Add const.
 791         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
 792         * testsuite/Makefile.am (incremental_test_5): New test case.
 793         (incremental_test_6): New test case.
 794         * testsuite/Makefile.in: Regenerate.
 795
 796 2011-07-06  Cary Coutant  <ccoutant@google.com>
 797
 798         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
 799         debug output when command lines differ.
 800
 801 2011-07-06  Cary Coutant  <ccoutant@google.com>
 802
 803         * incremental.cc (Incremental_inputs::report_command_line): Ignore
 804         --incremental-patch option.
 805         * layout.cc (Free_list::allocate): Extend allocation beyond original
 806         end if enabled.
 807         (Layout::make_output_section): Mark sections that should get
 808         patch space.
 809         * options.cc (parse_percent): New function.
 810         * options.h (parse_percent): New function.
 811         (DEFINE_percent): New macro.
 812         (General_options): Add --incremental-patch option.
 813         * output.cc (Output_section::Output_section): Initialize new data
 814         members.
 815         (Output_section::add_input_section): Print section name when out
 816         of patch space.
 817         (Output_section::add_output_section_data): Likewise.
 818         (Output_section::set_final_data_size): Add patch space when
 819         doing --incremental-full.
 820         (Output_section::do_reset_address_and_file_offset): Remove patch
 821         space.
 822         (Output_segment::set_section_list_addresses): Print debug output
 823         only if --incremental-update.
 824         * output.h (Output_section::set_is_patch_space_allowed): New function.
 825         (Output_section::is_patch_space_allowed_): New data member.
 826         (Output_section::patch_space_): New data member.
 827         * parameters.cc (Parameters::incremental_full): New function.
 828         * parameters.h (Parameters::incremental_full): New function
 829         * testsuite/Makefile.am (incremental_test_2): Add test for
 830         --incremental-patch option.
 831         * testsuite/Makefile.in: Regenerate.
 832         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
 833         (t18): Remove function body.
 834
 835 2011-07-05  Doug Kwan  <dougkwan@google.com>
 836
 837         PR gold/12771
 838         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
 839         Arm_Address type for relocation result.
 840         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
 841         overflow check.
 842         (Arm_relocate_functions::abs32): Use unaligned access.
 843         (Arm_relocate_functions::rel32): Ditto.
 844         (Arm_relocate_functions::prel31): Ditto.
 845         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
 846         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
 847         static data relocations.
 848         * testsuite/Makefile.in: Regnerate.
 849         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
 850
 851 2011-07-05  Ian Lance Taylor  <iant@google.com>
 852
 853         PR gold/12392
 854         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
 855         symbols if necessary.
 856         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
 857
 858 2011-07-05  Ian Lance Taylor  <iant@google.com>
 859
 860         PR gold/12952
 861         * resolve.cc (Symbol::override_base_with_special): Simply override
 862         version with special symbol version, ignoring previous version.
 863
 864 2011-07-05  Ian Lance Taylor  <iant@google.com>
 865
 866         * object.cc (Sized_relobj_file::include_section_group): Add
 867         information to comment about signature location.
 868
 869 2011-07-02  Ian Lance Taylor  <iant@google.com>
 870
 871         PR gold/12957
 872         * options.h (class General_options): Add -f and -F.
 873         * options.cc (General_options::finalize): Fatal error if -f/-F
 874         are used without -shared.
 875         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
 876
 877 2011-07-02  Ian Lance Taylor  <iant@google.com>
 878
 879         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
 880
 881 2011-07-01  Ian Lance Taylor  <iant@google.com>
 882
 883         PR gold/12525
 884         PR gold/12952
 885         * resolve.cc (Symbol::override_base_with_special): Don't override
 886         the version if the overriding symbol has a different name.
 887         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
 888         all callers.  If we give an error about an undefined version,
 889         define the base version if necessary.
 890         * dynobj.h (class Versions): Update declaration.
 891         * testsuite/weak_alias_test_5.cc: New file.
 892         * testsuite/weak_alias_test.script: New file.
 893         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
 894         and versioned_alias have the right value, and call t2.
 895         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
 896         weak_alias_test_5.so.
 897         (weak_alias_test_LDADD): Likewise.
 898         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
 899         * testsuite/Makefile.in: Rebuild.
 900
 901 2011-07-01  Ian Lance Taylor  <iant@google.com>
 902
 903         PR gold/12525
 904         * options.h (class General_options): Support -z notext.
 905         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
 906         -Wl,-z,notext.
 907         (two_file_shared_nonpic.so): Likewise.
 908         (two_file_shared_mixed.so): Likewise.
 909         (two_file_shared_mixed_1.so): Likewise.
 910         (weak_undef_lib_nonpic.so): Likewise.
 911         (alt/weak_undef_lib_nonpic.so): Likewise.
 912         (tls_test_shared_nonpic.so): Likewise.
 913         * testsuite/Makefile.in: Rebuild.
 914
 915 2011-07-01  Ian Lance Taylor  <iant@google.com>
 916
 917         PR gold/12525
 918         * configure.ac: Test whether static linking works, setting
 919         the automake conditional HAVE_STATIC.
 920         * testsuite/Makefile.am: Disable tests using -static if
 921         HAVE_STATIC is not true.
 922         * configure, testsuite/Makefile.in: Rebuild.
 923
 924 2011-07-01  Ian Lance Taylor  <iant@google.com>
 925
 926         PR gold/12525
 927         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
 928         Assert if we see DW_EH_PE_indirect.
 929         * target.h (Target::ehframe_datarel_base): New function.
 930         (Target::do_ehframe_datarel_base): New target function.
 931         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
 932         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
 933         function.
 934
 935 2011-07-01  Ian Lance Taylor  <iant@google.com>
 936
 937         PR gold/12571
 938         * options.h (class General_options): Add
 939         --ld-generated-unwind-info.
 940         * ehframe.cc (Fde::write): Add address parameter.  Change all
 941         callers.  If associated with PLT, fill in address and size.
 942         (Cie::set_output_offset): Only add merge mapping if there is an
 943         object.
 944         (Cie::write): Add address parameter.  Change all callers.
 945         (Eh_frame::add_ehframe_for_plt): New function.
 946         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
 947         input_offset_ fields into union u_, with new plt field.
 948         (Fde::Fde): Adjust for new union field.
 949         (Fde::Fde) [Output_data version]: New constructor.
 950         (Fde::add_mapping): Only add merge mapping if there is an object.
 951         (class Cie): Update declarations.
 952         (class Eh_frame): Declare add_ehframe_for_plt.
 953         * layout.cc (Layout::layout_eh_frame): Break out code into
 954         make_eh_frame_section, and call it.
 955         (Layout::make_eh_frame_section): New function.
 956         (Layout::add_eh_frame_for_plt): New function.
 957         * layout.h (class Layout): Update declarations.
 958         * merge.cc (Merge_map::add_mapping): Add assertion.
 959         * i386.cc: Include "dwarf.h".
 960         (class Output_data_plt_i386): Make first_plt_entry,
 961         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
 962         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 963         and plt_eh_frame_fde.
 964         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
 965         boundary.  Call add_eh_frame_for_plt if appropriate.
 966         * x86_64.cc: Include "dwarf.h".
 967         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
 968         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
 969         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
 970         and plt_eh_frame_fde.
 971         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
 972         appropriate.
 973
 974 2011-06-29  Ian Lance Taylor  <iant@google.com>
 975
 976         PR gold/12629
 977         * object.cc (Sized_relobj_file::layout_section): Change shdr
 978         parameter to be const.
 979         (Sized_relobj_file::layout_eh_frame_section): New function, broken
 980         out of do_layout.
 981         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
 982         appropriate.  Call layout_eh_frame_section.
 983         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
 984         sections.
 985         * object.h (class Sized_relobj_file): Update declarations.
 986
 987 2011-06-29  Ian Lance Taylor  <iant@google.com>
 988
 989         PR gold/12652
 990         * script.cc (Token::integer_value): Accept trailing M/m/K/k
 991         modifier.
 992         (Lex::gather_token): Accept trailing M/m/K/k for integers.
 993
 994 2011-06-29  Ian Lance Taylor  <iant@google.com>
 995
 996         PR gold/12675
 997         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
 998         SHT_X86_64_UNWIND.
 999         * layout.cc (Layout::layout_eh_frame): Likewise.
1000
1001 2011-06-29  Ian Lance Taylor  <iant@google.com>
1002
1003         PR gold/12695
1004         * layout.cc (Layout::symtab_section_shndx): New function.
1005         * layout.h (class Layout): Declare symtab_section_shndx.
1006         * output.cc (Output_section::write_header): Call it.
1007
1008 2011-06-29  Ian Lance Taylor  <iant@google.com>
1009
1010         PR gold/12818
1011         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1012         symbols which are not used in a relocation.
1013
1014 2011-06-28  Ian Lance Taylor  <iant@google.com>
1015
1016         PR gold/12898
1017         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1018         script create indistinguishable segments.
1019         (Layout::set_segment_offsets): Use stable_sort when sorting
1020         segments.  Pass this to Compare_segments constructor.
1021         * layout.h (class Layout): Make segment_precedes non-static.
1022         (class Compare_segments): Change from struct to class.  Add
1023         layout_ field.  Add constructor.
1024         * script-sections.cc
1025         (Script_sections::attach_sections_using_phdrs_clause): Rename
1026         local orphan to is_orphan.  Don't report failure to put empty
1027         section in segment.  On attachment failure, report name of
1028         section, and attach to first PT_LOAD segment.
1029
1030 2011-06-28  Ian Lance Taylor  <iant@google.com>
1031
1032         PR gold/12934
1033         * target-select.cc (Target_selector::Target_selector): Add
1034         emulation parameter.  Change all callers.
1035         (select_target_by_bfd_name): Rename from select_target_by_name.
1036         Change all callers.
1037         (select_target_by_emulation): New function.
1038         (supported_emulation_names): New function.
1039         * target-select.h (class Target_selector): Add emulation_ field.
1040         Update declarations.
1041         (Target_selector::recognize_by_bfd_name): Rename from
1042         recognize_by_name.  Change all callers.
1043         (Target_selector::supported_bfd_names): Rename from
1044         supported_names.  Change all callers.
1045         (Target_selector::recognize_by_emulation): New function.
1046         (Target_selector::supported_emulations): New function.
1047         (Target_selector::emulation): New function.
1048         (Target_selector::do_recognize_by_bfd_name): Rename from
1049         do_recognize_by_name.  Change all callers.
1050         (Target_selector::do_supported_bfd_names): Rename from
1051         do_supported_names.  Change all callers.
1052         (Target_selector::do_recognize_by_emulation): New function.
1053         (Target_selector::do_supported_emulations): New function.
1054         (select_target_by_bfd_name): Change name in declaration.
1055         (select_target_by_emulation): Declare.
1056         (supported_emulation_names): Declare.
1057         * parameters.cc (parameters_force_valid_target): Try to find
1058         target based on emulation from -m option.
1059         * options.h (class General_options): Change doc string for -m.
1060         * options.cc (help): Print emulations.
1061         (General_options::parse_V): Likewise.
1062         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1063         Add emulation parameter.  Change all callers.
1064
1065 2011-06-28  Ian Lance Taylor  <iant@google.com>
1066
1067         * target.h (class Target): Add osabi_ field.
1068         (Target::osabi): New function.
1069         (Target::set_osabi): New function.
1070         (Target::Target): Initialize osabi_.
1071         (Target::do_adjust_elf_header): Make pure virtual.
1072         (Sized_target::do_adjust_elf_header): Declare.
1073         * target.cc (Sized_target::do_adjust_elf_header): New function.
1074         (class Sized_target): Instantiate all versions.
1075         * freebsd.h (class Target_freebsd): Remove.
1076         (Target_selector_freebsd::do_recognize): Call set_osabi on
1077         Target.
1078         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1079         (Target_selector_freebsd::set_osabi): Remove.
1080         * i386.cc (class Target_i386): Inherit from Sized_target rather
1081         than Target_freebsd.
1082         * x86_64.cc (class Target_x86_64): Likewise.
1083
1084 2011-06-28  Ian Lance Taylor  <iant@google.com>
1085
1086         * target.h (Target::can_check_for_function_pointers): Rewrite.
1087         Make non-virtual.
1088         (Target::can_icf_inline_merge_sections): Likewise.
1089         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1090         (Target::Target_info): Add can_icf_inline_merge_sections field.
1091         (Target::do_can_check_for_function_pointers): New virtual
1092         function.
1093         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1094         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1095         from can_check_for_function_pointers, move in file.
1096         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1097         section_may_have_icf_unsafe_poineters, move in file.
1098         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1099         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1100         Rename from can_check_for_function_pointers, move in file.
1101         (Target_i386::can_icf_inline_merge_sections): Remove.
1102         (Target_i386::i386_info): Initialize
1103         can_icf_inline_merge_sections.
1104         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1105         Initialize can_icf_inline_merge_sections.
1106         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1107         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1108         Rename from can_check_for_function_pointers, move in file.
1109         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1110         (Target_x86_64::x86_64_info): Initialize
1111         can_icf_inline_merge_sections.
1112         * testsuite/testfile.cc (Target_test::test_target_info):
1113         Likewise.
1114         * icf.cc (get_section_contents): Correct formatting.
1115
1116 2011-06-27  Ian Lance Taylor  <iant@google.com>
1117
1118         * symtab.cc (Symbol::versioned_name): New function.
1119         (Symbol_table::add_to_final_symtab): Use versioned_name when
1120         appropriate.
1121         (Symbol_table::sized_write_symbol): Likewise.
1122         * symtab.h (class Symbol): Declare versioned_name.
1123         * stringpool.h (class Stringpool_template): Add variant of add
1124         which takes a std::basic_string.
1125         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1126         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1127         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1128         (ver_test_12.o): New target.
1129         * testsuite/Makefile.in: Rebuild.
1130
1131 2011-06-27  Doug Kwan  <dougkwan@google.com>
1132
1133         * arm.cc (Arm_relocate_functions::thm_jump8,
1134         Arm_relocate_functions::thm_jump11): Use a wider signed
1135         type to compute offset.
1136         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1137         arm_thm_jump8.
1138         * testsuite/Makefile.in: Regenerate.
1139         * testsuite/arm_branch_in_range.sh: Check test results of
1140         arm_thm_jump11 and arm_thm_jump8.
1141         * testsuite/arm_thm_jump11.s: New test source file.
1142         * testsuite/arm_thm_jump11.t: New linker script.
1143         * testsuite/arm_thm_jump8.s: New test source file.
1144         * testsuite/arm_thm_jump8.t: New linker script.
1145
1146 2011-06-24  Ian Lance Taylor  <iant@google.com>
1147
1148         * layout.cc: Include "object.h".
1149         (ctors_sections_in_init_array): New static variable.
1150         (Layout::is_ctors_in_init_array): New function.
1151         (Layout::layout): Add entry to ctors_sections_in_init_array if
1152         appropriate.
1153         * layout.h (class Layout): Declare is_ctors_in_init_array.
1154         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1155         is_ctors_reverse_view is set.
1156         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1157         all callers.  Set is_ctors_reverse_view field of View_size.
1158         (Sized_relobj_file::reverse_words): New function.
1159         * object.h (Sized_relobj_file::View_size): Add
1160         is_ctors_reverse_view field.
1161         (class Sized_relobj_file): Update declarations.
1162         * testsuite/initpri3.c: New test.
1163         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1164         initpri3b.
1165         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1166         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1167         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1168         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1169         * testsuite/Makefile.in: Rebuild.
1170
1171 2011-06-24  Cary Coutant  <ccoutant@google.com>
1172
1173         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1174         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1175         (debug_msg_cdebug.err): New targets.
1176         * testsuite/Makefile.in: Regenerate.
1177         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1178         Fix checks for link with shared library.
1179
1180 2011-06-24  Doug Kwan  <dougkwan@google.com>
1181
1182         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1183         skip empty text sections.
1184         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1185
1186 2011-06-22  Ian Lance Taylor  <iant@google.com>
1187
1188         PR gold/12910
1189         * options.h (class General_options): Add --ctors-in-init-array.
1190         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1191         friends as SHT_PROGBITS for merging sections.
1192         (Layout::layout): Remove special handling of .init_array and
1193         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1194         and .dtors if ctors_in_init_array.
1195         (Layout::make_output_section): Force correct section types for
1196         .init_array and friends.  Don't sort if doing relocatable link,
1197         Don't sort .ctors and .dtors if ctors_in_init_array.
1198         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1199         (Layout::output_section_name): Add relobj parameter.  Change all
1200         callers.  Handle .ctors. and .dtors. in code rather than table.
1201         Handle .ctors and .dtors if ctors_in_init_array.
1202         (Layout::match_file_name): New function, moved from output.cc.
1203         * layout.h (class Layout): Update declarations.
1204         * output.cc: Include "layout.h".
1205         (Input_section_sort_entry::get_priority): New function.
1206         (Input_section_sort_entry::match_file_name): Just call
1207         Layout::match_file_name.
1208         (Output_section::Input_section_sort_init_fini_compare::operator()):
1209         Handle .ctors and .dtors.  Sort by explicit priority rather than
1210         by name.
1211         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1212         * testsuite/initpri2.c: New test.
1213         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1214         (check_PROGRAMS): Add initpri2.
1215         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1216         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1217         * configure, testsuite/Makefile.in: Rebuild.
1218
1219 2011-06-19  Ian Lance Taylor  <iant@google.com>
1220
1221         PR gold/12880
1222         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1223         .interp section to a PT_INTERP segment even if we have seen a
1224         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1225         clause in a linker script.
1226         (Layout::finalize): Don't create a .interp section if we've
1227         already create a PT_INTERP segment.
1228         (Layout::create_interp): Always call choose_output_section (revert
1229         patch of 2011-06-17).  Don't create PT_INTERP segment.
1230         * script-sections.cc
1231         (Script_sections::create_note_and_tls_segments): Add a .interp
1232         section to a PT_INTERP segment even if we have seen a
1233         --dynamic-linker option.
1234
1235 2011-06-18  Ian Lance Taylor  <iant@google.com>
1236
1237         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1238         merely because a non-PT_LOAD segment has a dynamic reloc.
1239
1240 2011-06-18  Ian Lance Taylor  <iant@google.com>
1241
1242         * layout.cc (Layout::finish_dynamic_section): Don't create
1243         DT_FLAGS entry if not needed.
1244
1245 2011-06-18  Ian Lance Taylor  <iant@google.com>
1246
1247         PR gold/12745
1248         * layout.cc (Layout::layout_eh_frame): Correct handling of
1249         writable .eh_frame section.
1250
1251 2011-06-17  Ian Lance Taylor  <iant@google.com>
1252
1253         PR gold/12893
1254         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1255         symbol is redefined with the exact same object and value.
1256
1257 2011-06-17  Ian Lance Taylor  <iant@google.com>
1258
1259         PR gold/12880
1260         * layout.h (class Layout): Add interp_segment_ field.
1261         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1262         (Layout::attach_allocated_section_to_segment): If making shared
1263         library, put .interp section in PT_INTERP segment.
1264         (Layout::finalize): Also call create_interp if -dynamic-linker
1265         option was used.
1266         (Layout::create_interp): Assert that there is no PT_INTERP
1267         segment.  If not using a SECTIONS clause, use make_output_section.
1268         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1269         * script-sections.cc
1270         (Script_sections::create_note_and_tls_segments): If making shared
1271         library, put .interp section in PT_INTERP segment.
1272
1273 2011-06-17  Ian Lance Taylor  <iant@google.com>
1274
1275         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1276         when making a shared library.
1277
1278 2011-06-17  Ian Lance Taylor  <iant@google.com>
1279
1280         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1281         parameter.  Change all callers.  Don't issue warning about PC32
1282         against locally defined symbol.
1283
1284 2011-06-16  Ian Lance Taylor  <iant@google.com>
1285
1286         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1287         occurs in same object.
1288
1289 2011-06-14  Alan Modra  <amodra@gmail.com>
1290
1291         * po/POTFILES.in: Regenerate.
1292
1293 2011-06-09  Ian Lance Taylor  <iant@google.com>
1294
1295         * script-sections.cc
1296         (Orphan_output_section::set_section_addresses): For a relocatable
1297         link set address to 0.
1298
1299 2011-06-09  Cary Coutant  <ccoutant@google.com>
1300
1301         PR gold/12804
1302         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1303         used with --compress-debug-sections.
1304         * gold/object.cc (Sized_relobj_file::do_layout): Report
1305         uncompressed size of compressed input sections.
1306
1307 2011-06-08  Cary Coutant  <ccoutant@google.com>
1308
1309         PR gold/12804
1310         * testsuite/two_file_test_2_v1.cc: Change initialization of
1311         v2 to keep it in .data.
1312
1313 2011-06-07  Cary Coutant  <ccoutant@google.com>
1314
1315         * common.cc (Symbol_table::do_allocate_commons_list): Call
1316         gold_fallback.
1317         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1318         (Errors::fallback): New function.
1319         (gold_fallback): New function.
1320         * errors.h (Errors::fallback): New function.
1321         * gold.cc (gold_exit): Change status parameter to enum; adjust
1322         all callers.
1323         (queue_initial_tasks): Call gold_fallback.
1324         * gold.h: Include cstdlib.
1325         (Exit_status): New enum type.
1326         (gold_exit): Change status parameter to enum.
1327         (gold_fallback): New function.
1328         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1329         (Layout::create_symtab_sections): Likewise.
1330         (Layout::create_shdrs): Likewise.
1331         * main.cc (main): Adjust call to gold_exit.
1332         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1333         (Output_data_got::add_got_entry_pair): Likewise.
1334         (Output_section::add_input_section): Likewise.
1335         (Output_section::add_output_section_data): Likewise.
1336         (Output_segment::set_section_list_addresses): Likewise.
1337         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1338
1339 2011-06-07  Cary Coutant  <ccoutant@google.com>
1340
1341         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1342         for incremental links.
1343         * output.cc (Output_segment::set_section_list_addresses): Remove
1344         FIXME and test for TLS or BSS.
1345
1346 2011-06-07  Cary Coutant  <ccoutant@google.com>
1347
1348         * testsuite/Makefile.am: Add incremental_copy_test,
1349         incremental_common_test_1.
1350         * testsuite/Makefile.in: Regenerate.
1351         * testsuite/common_test_1_v1.c: New source file.
1352         * testsuite/common_test_1_v2.c: New source file.
1353         * testsuite/copy_test_v1.cc: New source file.
1354
1355 2011-06-07  Cary Coutant  <ccoutant@google.com>
1356
1357         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1358         update, allocate common from bss section's free list.
1359         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1360         linker-defined symbols.
1361         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1362         Skip GOT and PLT entries that are no longer referenced.
1363         (Output_section_incremental_inputs::write_info_blocks): Mark
1364         linker-defined symbols.
1365         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1366         * output.cc (Output_section::allocate): New function.
1367         * output.h (Output_section::allocate): New function.
1368         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1369         linker-defined symbols.
1370         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1371         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1372         (Symbol::init_base_output_data): Likewise.
1373         (Symbol::init_base_output_segment): Likewise.
1374         (Symbol::init_base_constant): Likewise.
1375         (Sized_symbol::init_output_data): Likewise.
1376         (Sized_symbol::init_output_segment): Likewise.
1377         (Sized_symbol::init_constant): Likewise.
1378         (Symbol_table::do_define_in_output_data): Likewise.
1379         (Symbol_table::do_define_in_output_segment): Likewise.
1380         (Symbol_table::do_define_as_constant): Likewise.
1381         * symtab.h (Symbol::is_predefined): New function.
1382         (Symbol::init_base_output_data): Add is_predefined parameter.
1383         (Symbol::init_base_output_segment): Likewise.
1384         (Symbol::init_base_constant): Likewise.
1385         (Symbol::is_predefined_): New data member.
1386         (Sized_symbol::init_output_data): Add is_predefined parameter.
1387         (Sized_symbol::init_output_segment): Likewise.
1388         (Sized_symbol::init_constant): Likewise.
1389         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1390
1391 2011-06-07  Cary Coutant  <ccoutant@google.com>
1392
1393         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1394         instead of emit_copy_reloc.
1395         (Copy_relocs::emit_copy_reloc): Refactor.
1396         (Copy_relocs::make_copy_reloc): New function.
1397         (Copy_relocs::add_copy_reloc): Remove.
1398         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1399         section.
1400         (Copy_relocs::make_copy_reloc): New function.
1401         (Copy_relocs::add_copy_reloc): Remove.
1402         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1403         unchanged input files.
1404         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1405         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1406         Reserve BSS space for COPY relocations.
1407         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1408         (Output_section_incremental_inputs::write_info_blocks): Record
1409         whether a symbol is copied from a shared object.
1410         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1411         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1412         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1413         (Incremental_input_entry_reader::get_output_symbol_index): Add
1414         is_copy parameter.
1415         (Incremental_binary::emit_copy_relocs): New function.
1416         (Incremental_binary::do_emit_copy_relocs): New function.
1417         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1418         new data member.
1419         (Sized_incremental_binary::add_copy_reloc): New function.
1420         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1421         (Sized_incremental_binary::Copy_reloc): New struct.
1422         (Sized_incremental_binary::Copy_relocs): New typedef.
1423         (Sized_incremental_binary::copy_relocs_): New data member.
1424         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1425         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1426         * target.h (Sized_target::emit_copy_reloc): New function.
1427         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1428
1429 2011-06-02  Cary Coutant  <ccoutant@google.com>
1430
1431         PR gold/12163
1432         * gold/archive.cc (Archive::Archive): Initialize new data member.
1433         (Archive::include_all_members): Return if archive has already been
1434         included.
1435         * gold/archive.h (Archive::include_all_members_): New data member.
1436
1437 2011-06-02  Nick Clifton  <nickc@redhat.com>
1438
1439         * dynobj.h: Fix spelling mistake in comment.
1440         * output.cc: Likewise.
1441
1442 2011-05-31  Doug Kwan  <dougkwan@google.com>
1443             Asier Llano
1444
1445         PR gold/12826
1446         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1447         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1448         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1449         redundant arm_exidx_test.so.
1450         * testsuite/Makefile.in: Regenerate.
1451         (check_SCRIPTS): Add pr12826.sh
1452         (check_DATA): Add pr12826.stdout
1453         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1454         * testsuite/pr12826.sh: New file.
1455         * testsuite/pr12826_1.s: Ditto.
1456         * testsuite/pr12826_1.s: Ditto.
1457
1458 2011-05-30  Ian Lance Taylor  <iant@google.com>
1459
1460         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1461         sections.
1462
1463 2011-05-29  Ian Lance Taylor  <iant@google.com>
1464
1465         PR gold/12804
1466         * testsuite/Makefile.am: Use different file name for two_file_test
1467         temporary file for each incremental test.
1468         * testsuite/Makefile.in: Rebuild.
1469
1470 2011-05-29  Ian Lance Taylor  <iant@google.com>
1471
1472         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1473         binary input file is empty.
1474
1475 2011-05-27  Ian Lance Taylor  <iant@google.com>
1476
1477         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1478         (ver_test_9.so): Likewise.
1479         * testsuite/Makefile.in: Rebuild.
1480
1481 2011-05-26 Cary Coutant  <ccoutant@google.com>
1482
1483         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1484         * incremental.cc (Incremental_inputs::report_input_section): Fix
1485         comment, indentation.
1486         (Incremental_inputs::report_comdat_group): New function.
1487         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1488         of data for incremental input file entry.
1489         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1490         group count, COMDAT group signatures.
1491         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1492         an unchanged input file.
1493         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1494         Initialize new data member.
1495         (Incremental_object_entry::add_comdat_group): New function.
1496         (Incremental_object_entry::get_comdat_group_count): New function.
1497         (Incremental_object_entry::get_comdat_signature_key): New function.
1498         (Incremental_object_entry::groups_): New data member.
1499         (Incremental_inputs::report_comdat_group): New function.
1500         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1501         data for incremental input file entry.
1502         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1503         (Incremental_input_entry_reader::get_input_section): Adjust size of
1504         data for incremental input file entry.
1505         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1506         (Incremental_input_entry_reader::get_comdat_group_signature): New
1507         function.
1508         * object.cc (Sized_relobj::include_section_group): Report kept
1509         COMDAT groups for incremental links.
1510
1511 2011-05-24  David Meyer  <pdox@google.com>
1512
1513         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1514         with name parameter.  Add found_name parameter.
1515         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1516         * dirsearch.h (class Dirsearch): Update declaration.
1517
1518 2011-05-24  Ian Lance Taylor  <iant@google.com>
1519
1520         * archive.cc (Library_base::should_include_member): Pull in object
1521         from archive if it defines the entry symbol.
1522         * parameters.cc (Parameters::entry): New function.
1523         * parameters.h (class Parameters): Declare entry.
1524         * output.h (class Output_file_header): Remove entry_ field.
1525         * output.cc (Output_file_header::Output_file_header): Remove entry
1526         parameter.  Change all callers.
1527         (Output_file_header::entry): Use parameters->entry.
1528         * gold.cc (queue_middle_tasks): Likewise.
1529         * plugin.cc (Plugin_hook::run): Likewise.
1530
1531 2011-05-24 Cary Coutant  <ccoutant@google.com>
1532
1533         * gold.cc (queue_initial_tasks): Pass incremental base filename
1534         to Output_file::open_base_file; don't print error message.
1535         * incremental-dump.cc (main): Adjust call to
1536         Output_file::open_for_modification.
1537         * incremental-dump.cc (main): Likewise.
1538         * incremental.cc (Incremental_inputs::report_command_line):
1539         Ignore --incremental-base option when comparing command lines.
1540         Ignore parameter when given as separate argument.
1541         * options.h (class General_options): Add --incremental-base.
1542         * output.cc (Output_file::Output_file):
1543         (Output_file::open_base_file): Add base_name and writable parameters;
1544         read base file into new file; print error message here.
1545         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1546         callers.
1547         * output.h (Output_file::open_for_modification): Rename to...
1548         (Output_file::open_base_file): ...this; add base_name and
1549         writable parameters; adjust all callers.
1550         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1551         callers.
1552         * testsuite/Makefile.am (incremental_test_4): Test
1553         --incremental-base.
1554         * testsuite/Makefile.in: Regenerate.
1555
1556 2011-05-24 Cary Coutant  <ccoutant@google.com>
1557
1558         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1559         incremental_test_4.
1560         * testsuite/Makefile.in: Regenerate.
1561         * testsuite/two_file_test_1_v1.cc: New test source file.
1562         * testsuite/two_file_test_1b_v1.cc: New test source file.
1563         * testsuite/two_file_test_2_v1.cc: New test source file.
1564
1565 2011-05-24 Cary Coutant  <ccoutant@google.com>
1566
1567         * dynobj.h (Dynobj::do_dynobj): New function.
1568         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1569         flag and soname for shared objects.
1570         * incremental.cc (Incremental_inputs::report_object): Make
1571         either Incremental_object_entry or Incremental_dynobj_entry; add
1572         soname to string table.
1573         (Incremental_inputs::report_input_section): Add assertion.
1574         (Output_section_incremental_inputs::set_final_data_size): Adjust
1575         type of input file entry for shared libraries; adjust size of
1576         shared library info entry.
1577         (Output_section_incremental_inputs::write_input_files): Write
1578         as_needed flag for shared libraries.
1579         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1580         of input file entry for shared libraries; write soname.
1581         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1582         soname from incremental info.
1583         * incremental.h (enum Incremental_input_flags): Add
1584         INCREMENTAL_INPUT_AS_NEEDED.
1585         (Incremental_input_entry::Incremental_input_entry): Initialize new
1586         data member.
1587         (Incremental_input_entry::set_as_needed): New function.
1588         (Incremental_input_entry::as_needed): New function.
1589         (Incremental_input_entry::do_dynobj_entry): New function.
1590         (Incremental_input_entry::as_needed_): New data member.
1591         (Incremental_object_entry::Incremental_object_entry): Don't check
1592         for shared library.
1593         (Incremental_object_entry::do_type): Likewise.
1594         (class Incremental_dynobj_entry): New class.
1595         (Incremental_input_entry_reader::as_needed): New function.
1596         (Incremental_input_entry_reader::get_soname): New function.
1597         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1598         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1599         size of shared library info entry.
1600         * layout.cc (Layout::finish_dynamic_section): Don't test for
1601         incremental link when adding DT_NEEDED entries.
1602         * object.h (Object::Object): Initialize new data member.
1603         (Object::dynobj): New function.
1604         (Object::set_as_needed): New function.
1605         (Object::as_needed): New function.
1606         (Object::do_dynobj): New function.
1607         (Object::as_needed_): New data member.
1608
1609 2011-05-24 Cary Coutant  <ccoutant@google.com>
1610
1611         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1612         info; adjust display of GOT entries.
1613         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1614         vector of input objects; remove file_status_.
1615         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1616         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1617         got_plt reader; call target hooks to reserve GOT entries.
1618         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1619         of input file info header and GOT info entry.
1620         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1621         relocation info.
1622         (Got_plt_view_info::got_descriptor): Remove.
1623         (Got_plt_view_info::sym_index): New data member.
1624         (Got_plt_view_info::input_index): New data member.
1625         (Local_got_offset_visitor::visit): Write input file index.
1626         (Global_got_offset_visitor::visit): Write 0 for input file index.
1627         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1628         with sym_index and input_index.
1629         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1630         incremental info GOT entry; replace got_descriptor with input_index.
1631         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1632         map from input file index to object.
1633         (Sized_relobj_incr::do_layout): Replace direct data member reference
1634         with accessor function.
1635         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1636         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1637         Adjust size of input file info header.
1638         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1639         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1640         (Incremental_input_entry_reader::get_input_section): Adjust size of
1641         input file info header.
1642         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1643         of incremental info GOT entry.
1644         (Incremental_got_plt_reader::get_got_desc): Remove.
1645         (Incremental_got_plt_reader::get_got_symndx): New function.
1646         (Incremental_got_plt_reader::get_got_input_index): New function.
1647         (Sized_incremental_binary::Sized_incremental_binary): Remove
1648         file_status_; add input_objects_.
1649         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1650         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1651         (Sized_incremental_binary::file_is_unchanged): Remove.
1652         (Sized_incremental_binary::set_input_object): New function.
1653         (Sized_incremental_binary::input_object): New function.
1654         (Sized_incremental_binary::file_status_): Remove.
1655         (Sized_incremental_binary::input_objects_): New data member.
1656         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1657         references.
1658         (Sized_relobj_incr::invalid_address): Move to base class.
1659         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1660         class.
1661         (Sized_relobj_incr::do_output_section_offset): Likewise.
1662         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1663         (Sized_relobj_incr::section_offsets_): Likewise.
1664         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1665         function.
1666         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1667         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1668         with accessor function.
1669         (Sized_relobj_file::do_layout): Likewise.
1670         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1671         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1672         (Sized_relobj_file::compute_final_local_value): Replace refs to
1673         section_offsets_ with accessor function.
1674         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1675         * object.h (Relobj::Relobj): Initialize new data members.
1676         (Relobj::add_dyn_reloc): New function.
1677         (Relobj::first_dyn_reloc): New function.
1678         (Relobj::dyn_reloc_count): New function.
1679         (Relobj::first_dyn_reloc_): New data member.
1680         (Relobj::dyn_reloc_count_): New data member.
1681         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1682         references.
1683         (Sized_relobj::Address): New typedef.
1684         (Sized_relobj::invalid_address): Move here from child class.
1685         (Sized_relobj::Sized_relobj): Initialize new data members.
1686         (Sized_relobj::sized_relobj): New function.
1687         (Sized_relobj::is_output_section_offset_invalid): Move here from
1688         child class.
1689         (Sized_relobj::get_output_section_offset): Likewise.
1690         (Sized_relobj::local_has_got_offset): Likewise.
1691         (Sized_relobj::local_got_offset): Likewise.
1692         (Sized_relobj::set_local_got_offset): Likewise.
1693         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1694         (Sized_relobj::clear_got_offsets): New function.
1695         (Sized_relobj::section_offsets): Move here from child class.
1696         (Sized_relobj::do_output_section_offset): Likewise.
1697         (Sized_relobj::do_set_section_offset): Likewise.
1698         (Sized_relobj::Local_got_offsets): Likewise.
1699         (Sized_relobj::local_got_offsets_): Likewise.
1700         (Sized_relobj::section_offsets_): Likewise.
1701         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1702         references.
1703         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1704         class.
1705         (Sized_relobj_file::sized_relobj): New function
1706         (Sized_relobj_file::local_has_got_offset): Move to base class.
1707         (Sized_relobj_file::local_got_offset): Likewise.
1708         (Sized_relobj_file::set_local_got_offset): Likewise.
1709         (Sized_relobj_file::get_output_section_offset): Likewise.
1710         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1711         (Sized_relobj_file::do_output_section_offset): Likewise.
1712         (Sized_relobj_file::do_set_section_offset): Likewise.
1713         (Sized_relobj_file::Local_got_offsets): Likewise.
1714         (Sized_relobj_file::local_got_offsets_): Likewise.
1715         (Sized_relobj_file::section_offsets_): Likewise.
1716         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1717         (all constructors).
1718         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1719         (Output_reloc::get_symbol_index): Likewise.
1720         (Output_reloc::local_section_offset): Likewise.
1721         (Output_reloc::get_address): Likewise.
1722         (Output_reloc::symbol_value): Likewise.
1723         (Output_data_got::reserve_slot): Move to class definition.
1724         (Output_data_got::reserve_local): New function.
1725         (Output_data_got::reserve_slot_for_global): Remove.
1726         (Output_data_got::reserve_global): New function.
1727         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1728         (all constructors, two instantiations).
1729         (Output_reloc::get_relobj): New function (two instantiations).
1730         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1731         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1732         (Output_data_reloc::add_global): Adjust type of relobj.
1733         (Output_data_reloc::add_global_relative): Likewise.
1734         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1735         (Output_data_reloc::add_local): Likewise.
1736         (Output_data_reloc::add_local_relative): Likewise.
1737         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1738         (Output_data_reloc::add_local_section): Likewise.
1739         (Output_data_reloc::add_output_section): Likewise.
1740         (Output_data_reloc::add_absolute): Likewise.
1741         (Output_data_reloc::add_target_specific): Likewise.
1742         (Output_data_got::reserve_slot): Move definition here.
1743         (Output_data_got::reserve_local): New function.
1744         (Output_data_got::reserve_global): New function.
1745         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1746         section_offsets_ with accessor function.
1747         (Sized_relobj_file::write_sections): Likewise.
1748         (Sized_relobj_file::do_relocate_sections): Likewise.
1749         * target.h (Sized_target::reserve_local_got_entry): New function.
1750         (Sized_target::reserve_global_got_entry): New function.
1751         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1752         (Target_x86_64::reserve_global_got_entry): New function.
1753         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1754
1755 2011-05-23 Cary Coutant  <ccoutant@google.com>
1756
1757         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1758         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1759         bit when checking got_type.
1760         * incremental.cc (Sized_incremental_binary::setup_readers):
1761         Store symbol table and string table locations; initialize bit vector
1762         of file status flags.
1763         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1764         unchanged files.
1765         (Sized_incremental_binary::do_process_got_plt): New function.
1766         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1767         (Output_section_incremental_inputs::set_final_data_size): Record
1768         file index for each input file.
1769         (Output_section_incremental_inputs::write_got_plt): Store file index
1770         instead of input entry offset for each GOT entry.
1771         * incremental.h
1772         (Incremental_input_entry::Incremental_input_entry): Initialize new
1773         data member.
1774         (Incremental_input_entry::set_offset): Store file index.
1775         (Incremental_input_entry::get_file_index): New function.
1776         (Incremental_input_entry::file_index_): New data member.
1777         (Incremental_binary::process_got_plt): New function.
1778         (Incremental_binary::do_process_got_plt): New function.
1779         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1780         data members.
1781         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1782         (Sized_incremental_binary::set_file_is_unchanged): New function.
1783         (Sized_incremental_binary::file_is_unchanged): New function.
1784         (Sized_incremental_binary::do_process_got_plt): New function.
1785         (Sized_incremental_binary::file_status_): New data member.
1786         (Sized_incremental_binary::main_symtab_loc_): New data member.
1787         (Sized_incremental_binary::main_strtab_loc_): New data member.
1788         * output.cc (Output_data_got::Got_entry::write): Add case
1789         RESERVED_CODE.
1790         (Output_data_got::add_global): Call add_got_entry.
1791         (Output_data_got::add_global_plt): Likewise.
1792         (Output_data_got::add_global_with_rel): Likewise.
1793         (Output_data_got::add_global_with_rela): Likewise.
1794         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1795         (Output_data_got::add_global_pair_with_rela): Likewise.
1796         (Output_data_got::add_local): Call add_got_entry.
1797         (Output_data_got::add_local_plt): Likewise.
1798         (Output_data_got::add_local_with_rel): Likewise.
1799         (Output_data_got::add_local_with_rela): Likewise.
1800         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1801         (Output_data_got::add_local_pair_with_rela): Likewise.
1802         (Output_data_got::reserve_slot): New function.
1803         (Output_data_got::reserve_slot_for_global): New function.
1804         (Output_data_got::add_got_entry): New function.
1805         (Output_data_got::add_got_entry_pair): New function.
1806         (Output_section::add_output_section_data): Edit FIXME.
1807         * output.h
1808         (Output_section_data_build::Output_section_data_build): New
1809         constructor with size parameter.
1810         (Output_data_space::Output_data_space): Likewise.
1811         (Output_data_got::Output_data_got): Initialize new data member; new
1812         constructor with size parameter.
1813         (Output_data_got::add_constant): Call add_got_entry.
1814         (Output_data_got::reserve_slot): New function.
1815         (Output_data_got::reserve_slot_for_global): New function.
1816         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1817         (Output_data_got::add_got_entry): New function.
1818         (Output_data_got::add_got_entry_pair): New function.
1819         (Output_data_got::free_list_): New data member.
1820         * target.h (Sized_target::init_got_plt_for_update): New function.
1821         (Sized_target::register_global_plt_entry): New function.
1822         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1823         Initialize new data member; call init; add constructor with PLT count.
1824         (Output_data_plt_x86_64::init): New function.
1825         (Output_data_plt_x86_64::add_relocation): New function.
1826         (Output_data_plt_x86_64::reserve_slot): New function.
1827         (Output_data_plt_x86_64::free_list_): New data member.
1828         (Target_x86_64::init_got_plt_for_update): New function.
1829         (Target_x86_64::register_global_plt_entry): New function.
1830         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1831         incremental updates.
1832         (Output_data_plt_x86_64::add_relocation): New function.
1833         * testsuite/object_unittest.cc (Object_test): Set default options.
1834
1835 2011-05-16  Ian Lance Taylor  <iant@google.com>
1836
1837         * options.h (class General_options): Make -i a synonym for -r.
1838
1839 2011-05-16  Ian Lance Taylor  <iant@google.com>
1840
1841         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1842
1843 2011-05-10 Cary Coutant  <ccoutant@google.com>
1844
1845         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1846         strip_all (-s).
1847
1848 2011-05-06  Ian Lance Taylor  <iant@google.com>
1849
1850         * layout.cc (Layout::layout): If the output section flags change,
1851         update the ordering.
1852
1853 2011-04-25 Cary Coutant  <ccoutant@google.com>
1854
1855         * incremental-dump.cc (dump_incremental_inputs): Print local
1856         symbol info for each input file.
1857         * incremental.cc
1858         (Output_section_incremental_inputs::set_final_data_size): Add local
1859         symbol info to input file entries in incremental info.
1860         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1861         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1862         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1863         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1864         implementation.
1865         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1866         (Sized_incr_relobj::do_relocate): Write the local symbols.
1867         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1868         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1869         Adjust size of input file header.
1870         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1871         (Incremental_inputs_reader::get_local_symbol_count): New function.
1872         (Incremental_inputs_reader::get_input_section): Adjust size of input
1873         file header.
1874         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1875         (Sized_incr_relobj::This): New typedef.
1876         (Sized_incr_relobj::sym_size): New const data member.
1877         (Sized_incr_relobj::Local_symbol): New struct.
1878         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1879         (Sized_incr_relobj::do_local_symbol_offset): New function.
1880         (Sized_incr_relobj::local_symbol_count_): New data member.
1881         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1882         (Sized_incr_relobj::local_symbol_index_): New data member.
1883         (Sized_incr_relobj::local_symbol_offset_): New data member.
1884         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1885         (Sized_incr_relobj::local_symbols_): New data member.
1886         * object.h (Relobj::output_local_symbol_count): New function.
1887         (Relobj::local_symbol_offset): New function.
1888         (Relobj::do_output_local_symbol_count): New function.
1889         (Relobj::do_local_symbol_offset): New function.
1890         (Sized_relobj::do_output_local_symbol_count): New function.
1891         (Sized_relobj::do_local_symbol_offset): New function.
1892
1893 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1894
1895         * descriptors.cc (set_close_on_exec): New function.
1896         (Descriptors::open): Use set_close_on_exec.
1897         * output.cc (S_ISLNK): Define if not defined.
1898
1899 2011-04-22 Cary Coutant  <ccoutant@google.com>
1900
1901         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1902         global symbol map.
1903         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1904         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1905         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1906         relocations.
1907         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1908         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1909         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1910         * incremental.h
1911         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1912         function.
1913         (Incremental_binary::apply_incremental_relocs): New function.
1914         (Incremental_binary::do_apply_incremental_relocs): New function.
1915         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1916         data member.
1917         (Sized_incremental_binary::add_global_symbol): New function.
1918         (Sized_incremental_binary::global_symbol): New function.
1919         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1920         (Sized_incremental_binary::symbol_map_): New data member.
1921         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1922         * target.h (Sized_target::apply_relocation): New function.
1923         * target-reloc.h (apply_relocation): New function.
1924         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1925
1926 2011-04-22  Doug Kwan  <dougkwan@google.com>
1927
1928         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1929         flag of a SHT_ARM_EXIDX section.
1930         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1931         * testsuite/Makefile.in: Regenerate.
1932         * testsuite/arm_exidx_test.s: New file.
1933         * testsuite/arm_exidx_test.sh: Same.
1934
1935 2011-04-20 Cary Coutant  <ccoutant@google.com>
1936
1937         PR gold/12689
1938         * archive.h (Incremental_archive_entry::Archive_member):
1939         Initialize arg_serial_ (second constructor).
1940
1941 2011-04-17  Ian Lance Taylor  <iant@google.com>
1942
1943         * object.cc (Relocate_info::location): Simplify location string.
1944         * errors.cc (Errors::error_at_location): Don't print program
1945         name.
1946         (Errors::warning_at_location): Likewise.
1947         (Errors::undefined_symbol): Likewise.
1948         * testsuite/debug_msg.sh: Update accordingly.
1949
1950 2011-04-14 Cary Coutant  <ccoutant@google.com>
1951
1952         * gold/layout.cc (Layout::symtab_section_offset): New function.
1953         * gold/layout.h (Layout::symtab_section_offset): New function.
1954         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1955
1956 2011-04-12  Ian Lance Taylor  <iant@google.com>
1957
1958         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1959         with MREMAP_MAYMOVE.
1960         * output.h (class Output_file): Add map_is_allocated_ field.
1961         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1962         not available, provide stubs.  If mremap is not available, #define
1963         it to gold_mremap.
1964         (MREMAP_MAYMOVE): Define if not defined.
1965         (Output_file::Output_file): Initialize map_is_allocated_.
1966         (Output_file::resize): Check map_is_allocated_.
1967         (Output_file::map_anonymous): If mmap fails, use malloc.
1968         (Output_file::unmap): Don't do anything for an anonymous map.
1969         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1970         is not available, provide stubs.
1971         (File_read::View::~View): Use free rather than delete[].
1972         (File_read::make_view): Use malloc rather than new[].  If mmap
1973         fails, use malloc.
1974         (File_read::find_or_make_view): Use malloc rather than new[].
1975         * gold.h: Remove HAVE_REMAP code.
1976         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1977         exists.  Rename mremap to gold_mremap.  If mmap is not available
1978         don't do anything.
1979         * configure, config.in: Rebuild.
1980
1981 2011-04-11  Ian Lance Taylor  <iant@google.com>
1982
1983         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1984         initialize local variable v.
1985
1986 2011-04-11  Cary Coutant  <ccoutant@google.com>
1987
1988         * archive.cc (Archive::include_member): Adjust call to
1989         report_object.
1990         (Add_archive_symbols::run): Track argument serial numbers.
1991         (Lib_group::include_member): Likewise.
1992         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1993         * archive.h (Incremental_archive_entry::Archive_member):
1994         Initialize arg_serial_.
1995         (Archive_member::arg_serial_): New data member.
1996         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1997         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1998         incremental link.
1999         (Sized_dynobj::do_for_all_local_got_entries): New function.
2000         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2001         function.
2002         * fileread.cc (get_mtime): New function.
2003         * fileread.h (get_mtime): New function.
2004         * gold.cc (queue_initial_tasks): Check for incremental update.
2005         (process_incremental_input): New function.
2006         (queue_middle_tasks): Don't force valid target for incremental
2007         update.
2008         * incremental-dump.cc (find_input_containing_global): Adjust
2009         size of symbol info entry.
2010         (dump_incremental_inputs): Dump argument serial number and
2011         in_system_directory flag; bias shndx by 1; print symbol names
2012         when dumping per-file symbol lists; use new symbol info readers.
2013         * incremental.cc
2014         (Output_section_incremental_inputs:update_data_size): New function.
2015         (Sized_incremental_binary::setup_readers): Setup input readers
2016         for each input file; build maps for files added from libraries
2017         and scripts.
2018         (Sized_incremental_binary::check_input_args): New function.
2019         (Sized_incremental_binary::do_check_inputs): Build map of argument
2020         serial numbers to input arguments.
2021         (Sized_incremental_binary::do_file_has_changed): Rename
2022         do_file_is_unchanged to this; compare file modification times.
2023         (Sized_incremental_binary::do_init_layout): New function.
2024         (Sized_incremental_binary::do_reserve_layout): New function.
2025         (Sized_incremental_binary::do_get_input_reader): Remove.
2026         (Sized_incremental_binary::get_symtab_view): New function.
2027         (Incremental_checker::can_incrementally_link_output_file): Remove.
2028         (Incremental_inputs::report_command_line): Exclude --debug options.
2029         (Incremental_inputs::report_archive_begin): Add parameter; track
2030         argument serial numbers; don't put input file entry for archive
2031         before archive members.
2032         (Incremental_inputs::report_archive_end): Put input file entry
2033         for archive after archive members.
2034         (Incremental_inputs::report_object): Add parameter; track argument
2035         serial numbers and in_system_directory flag.
2036         (Incremental_inputs::report_script): Add parameter; track argument
2037         serial numbers.
2038         (Output_section_incremental_inputs::set_final_data_size): Adjust
2039         size of symbol info entry; check for forwarding symbols.
2040         (Output_section_incremental_inputs::write_input_files): Write
2041         in_system_directory flag and argument serial number.
2042         (Output_section_incremental_inputs::write_info_blocks): Map section
2043         indices between incremental info and original input file; store
2044         input section index for each symbol.
2045         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2046         change operator() to visit().
2047         (class Global_got_offset_visitor): Likewise.
2048         (class Global_symbol_visitor_got_plt):
2049         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2050         classes.
2051         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2052         (Sized_incr_relobj::do_read_symbols): New function.
2053         (Sized_incr_relobj::do_layout): New function.
2054         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2055         (Sized_incr_relobj::do_add_symbols): New function.
2056         (Sized_incr_relobj::do_should_include_member): New function.
2057         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2058         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2059         (Sized_incr_relobj::do_section_size): New function.
2060         (Sized_incr_relobj::do_section_name): New function.
2061         (Sized_incr_relobj::do_section_contents): New function.
2062         (Sized_incr_relobj::do_section_flags): New function.
2063         (Sized_incr_relobj::do_section_entsize): New function.
2064         (Sized_incr_relobj::do_section_address): New function.
2065         (Sized_incr_relobj::do_section_type): New function.
2066         (Sized_incr_relobj::do_section_link): New function.
2067         (Sized_incr_relobj::do_section_info): New function.
2068         (Sized_incr_relobj::do_section_addralign): New function.
2069         (Sized_incr_relobj::do_initialize_xindex): New function.
2070         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2071         (Sized_incr_relobj::do_read_relocs): New function.
2072         (Sized_incr_relobj::do_gc_process_relocs): New function.
2073         (Sized_incr_relobj::do_scan_relocs): New function.
2074         (Sized_incr_relobj::do_count_local_symbols): New function.
2075         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2076         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2077         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2078         (Sized_incr_relobj::do_relocate): New function.
2079         (Sized_incr_relobj::do_set_section_offset): New function.
2080         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2081         (Sized_incr_dynobj::do_read_symbols): New function.
2082         (Sized_incr_dynobj::do_layout): New function.
2083         (Sized_incr_dynobj::do_add_symbols): New function.
2084         (Sized_incr_dynobj::do_should_include_member): New function.
2085         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2086         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2087         (Sized_incr_dynobj::do_section_size): New function.
2088         (Sized_incr_dynobj::do_section_name): New function.
2089         (Sized_incr_dynobj::do_section_contents): New function.
2090         (Sized_incr_dynobj::do_section_flags): New function.
2091         (Sized_incr_dynobj::do_section_entsize): New function.
2092         (Sized_incr_dynobj::do_section_address): New function.
2093         (Sized_incr_dynobj::do_section_type): New function.
2094         (Sized_incr_dynobj::do_section_link): New function.
2095         (Sized_incr_dynobj::do_section_info): New function.
2096         (Sized_incr_dynobj::do_section_addralign): New function.
2097         (Sized_incr_dynobj::do_initialize_xindex): New function.
2098         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2099         (make_sized_incremental_object): New function.
2100         (Incremental_library::copy_unused_symbols): New function.
2101         (Incremental_library::do_for_all_unused_symbols): New function.
2102         * incremental.h (enum Incremental_input_flags): New type.
2103         (class Incremental_checker): Remove.
2104         (Incremental_input_entry::Incremental_input_entry): Add argument
2105         serial number.
2106         (Incremental_input_entry::arg_serial): New function.
2107         (Incremental_input_entry::set_is_in_system_directory): New function.
2108         (Incremental_input_entry::is_in_system_directory): New function.
2109         (Incremental_input_entry::arg_serial_): New data member.
2110         (Incremental_input_entry::is_in_system_directory_): New data member.
2111         (class Script_info): Move here from script.h.
2112         (Script_info::Script_info): Add filename parameter.
2113         (Script_info::filename): New function.
2114         (Script_info::filename_): New data member.
2115         (Incremental_script_entry::Incremental_script_entry): Add argument
2116         serial number.
2117         (Incremental_object_entry::Incremental_object_entry): Likewise.
2118         (Incremental_object_entry::add_input_section): Build list of input
2119         sections with map to original shndx.
2120         (Incremental_object_entry::get_input_section_index): New function.
2121         (Incremental_object_entry::shndx_): New data member.
2122         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2123         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2124         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2125         serial number.
2126         (Incremental_inputs::report_archive_begin): Likewise.
2127         (Incremental_inputs::report_object): Likewise.
2128         (Incremental_inputs::report_script): Likewise.
2129         (class Incremental_global_symbol_reader): New class.
2130         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2131         and store flags and input file type.
2132         (Incremental_input_entry_reader::arg_serial): New function.
2133         (Incremental_input_entry_reader::type): Extract type from flags.
2134         (Incremental_input_entry_reader::is_in_system_directory): New function.
2135         (Incremental_input_entry_reader::get_input_section_count): Call
2136         accessor function for type.
2137         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2138         function for type; adjust size of global symbol entry.
2139         (Incremental_input_entry_reader::get_global_symbol_count): Call
2140         accessor function for type.
2141         (Incremental_input_entry_reader::get_object_count): Likewise.
2142         (Incremental_input_entry_reader::get_object_offset): Likewise.
2143         (Incremental_input_entry_reader::get_member_count): Likewise.
2144         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2145         (Incremental_input_entry_reader::get_member_offset): Likewise.
2146         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2147         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2148         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2149         (Incremental_input_entry_reader::get_global_symbol_reader): New
2150         function.
2151         (Incremental_input_entry_reader::get_output_symbol_index): New
2152         function.
2153         (Incremental_input_entry_reader::type_): Remove.
2154         (Incremental_input_entry_reader::flags_): New data member.
2155         (Incremental_inputs_reader::input_file_offset): New function.
2156         (Incremental_inputs_reader::input_file_index): New function.
2157         (Incremental_inputs_reader::input_file): Call input_file_offset.
2158         (Incremental_inputs_reader::input_file_at_offset): New function.
2159         (Incremental_relocs_reader::get_r_type): Reformat.
2160         (Incremental_relocs_reader::get_r_shndx): Reformat.
2161         (Incremental_relocs_reader::get_r_offset): Reformat.
2162         (Incremental_relocs_reader::data): New function.
2163         (Incremental_binary::Incremental_binary): Initialize new data members.
2164         (Incremental_binary::check_inputs): Add cmdline parameter.
2165         (Incremental_binary::file_is_unchanged): Remove.
2166         (Input_reader::arg_serial): New function.
2167         (Input_reader::get_unused_symbol_count): New function.
2168         (Input_reader::get_unused_symbol): New function.
2169         (Input_reader::do_arg_serial): New function.
2170         (Input_reader::do_get_unused_symbol_count): New function.
2171         (Input_reader::do_get_unused_symbol): New function.
2172         (Incremental_binary::input_file_count): New function.
2173         (Incremental_binary::get_input_reader): Change signature to use
2174         index instead of filename.
2175         (Incremental_binary::file_has_changed): New function.
2176         (Incremental_binary::get_input_argument): New function.
2177         (Incremental_binary::get_library): New function.
2178         (Incremental_binary::get_script_info): New function.
2179         (Incremental_binary::init_layout): New function.
2180         (Incremental_binary::reserve_layout): New function.
2181         (Incremental_binary::output_file): New function.
2182         (Incremental_binary::do_check_inputs): New function.
2183         (Incremental_binary::do_file_is_unchanged): Remove.
2184         (Incremental_binary::do_file_has_changed): New function.
2185         (Incremental_binary::do_init_layout): New function.
2186         (Incremental_binary::do_reserve_layout): New function.
2187         (Incremental_binary::do_input_file_count): New function.
2188         (Incremental_binary::do_get_input_reader): Change signature.
2189         (Incremental_binary::input_args_map_): New data member.
2190         (Incremental_binary::library_map_): New data member.
2191         (Incremental_binary::script_map_): New data member.
2192         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2193         new data members.
2194         (Sized_incremental_binary::output_section): New function.
2195         (Sized_incremental_binary::inputs_reader): Add const.
2196         (Sized_incremental_binary::symtab_reader): Add const.
2197         (Sized_incremental_binary::relocs_reader): Add const.
2198         (Sized_incremental_binary::got_plt_reader): Add const.
2199         (Sized_incremental_binary::get_symtab_view): New function.
2200         (Sized_incremental_binary::Inputs_reader): New typedef.
2201         (Sized_incremental_binary::Input_entry_reader): New typedef.
2202         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2203         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2204         (Sized_incremental_binary::do_file_has_changed): New function.
2205         (Sized_incremental_binary::do_init_layout): New function.
2206         (Sized_incremental_binary::do_reserve_layout): New function.
2207         (Sized_input_reader::Inputs_reader): Remove.
2208         (Sized_input_reader::Input_entry_reader): Remove.
2209         (Sized_input_reader::do_arg_serial): New function.
2210         (Sized_input_reader::do_get_unused_symbol_count): New function.
2211         (Sized_input_reader::do_get_unused_symbol): New function.
2212         (Sized_incremental_binary::do_input_file_count): New function.
2213         (Sized_incremental_binary::do_get_input_reader): Change signature;
2214         use index instead of filename.
2215         (Sized_incremental_binary::section_map_): New data member.
2216         (Sized_incremental_binary::input_entry_readers_): New data member.
2217         (class Sized_incr_relobj): New class.
2218         (class Sized_incr_dynobj): New class.
2219         (make_sized_incremental_object): New function.
2220         (class Incremental_library): New class.
2221         * layout.cc (Free_list::num_lists): New static data member.
2222         (Free_list::num_nodes): New static data member.
2223         (Free_list::num_removes): New static data member.
2224         (Free_list::num_remove_visits): New static data member.
2225         (Free_list::num_allocates): New static data member.
2226         (Free_list::num_allocate_visits): New static data member.
2227         (Free_list::init): New function.
2228         (Free_list::remove): New function.
2229         (Free_list::allocate): New function.
2230         (Free_list::dump): New function.
2231         (Free_list::print_stats): New function.
2232         (Layout_task_runner::run): Resize output file for incremental updates.
2233         (Layout::Layout): Initialize new data members.
2234         (Layout::set_incremental_base): New function.
2235         (Layout::init_fixed_output_section): New function.
2236         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2237         incremental updates.
2238         (Layout::create_gold_note): Do not create gold note section for
2239         incremental updates.
2240         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2241         for incremental updates.
2242         (Layout::set_section_offsets): For incremental updates, allocate space
2243         from free list.
2244         (Layout::create_symtab_sections): Layout with offsets relative to
2245         start of section; for incremental updates, allocate space from free
2246         list.
2247         (Layout::create_shdrs): For incremental updates, allocate space from
2248         free list.
2249         (Layout::finish_dynamic_section): For incremental updates, do not
2250         check --as-needed (fixed in subsequent patch).
2251         * layout.h (class Free_list): New class.
2252         (Layout::set_incremental_base): New function.
2253         (Layout::incremental_base): New function.
2254         (Layout::init_fixed_output_section): New function.
2255         (Layout::allocate): New function.
2256         (Layout::incremental_base_): New data member.
2257         (Layout::free_list_): New data member.
2258         * main.cc (main): Print Free_list statistics.
2259         * object.cc (Relobj::finalize_incremental_relocs): Add
2260         clear_counts parameter; clear counts only when clear_counts is set.
2261         (Sized_relobj::Sized_relobj): Initialize new base class.
2262         (Sized_relobj::do_layout): Don't report special sections.
2263         (Sized_relobj::do_for_all_local_got_entries): New function.
2264         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2265         symtab_off to all symbol table offsets.
2266         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2267         * object.h (class Got_offset_list): Move to top of file.
2268         (Object::Object): Allow case where input_file == NULL.
2269         (Object::~Object): Likewise.
2270         (Object::input_file): Assert that input_file != NULL.
2271         (Object::lock): Allow case where input_file == NULL.
2272         (Object::unlock): Likewise.
2273         (Object::is_locked): Likewise.
2274         (Object::token): Likewise.
2275         (Object::release): Likewise.
2276         (Object::is_incremental): New function.
2277         (Object::get_mtime): New function.
2278         (Object::for_all_local_got_entries): New function.
2279         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2280         (Object::set_is_in_system_directory): New function.
2281         (Object::is_in_system_directory): New function.
2282         (Object::do_is_incremental): New function.
2283         (Object::do_get_mtime): New function.
2284         (Object::do_for_all_local_got_entries): New function.
2285         (Object::is_in_system_directory_): New data member.
2286         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2287         (class Sized_relobj_base): New class.
2288         (class Sized_relobj): Derive from Sized_relobj_base.
2289         (class Sized_relobj::Symbols): Redeclare from base class.
2290         (class Sized_relobj::local_got_offset_list): Remove.
2291         (class Sized_relobj::Output_sections): Redeclare from base class.
2292         (class Sized_relobj::do_for_all_local_got_entries): New function.
2293         (class Sized_relobj::write_local_symbols): Add offset parameter.
2294         (class Sized_relobj::local_symbol_offset_): Update comment.
2295         (class Sized_relobj::local_dynsym_offset_): Update comment.
2296         * options.cc (Input_arguments::add_file): Remove const.
2297         * options.h (Input_file_argument::Input_file_argument):
2298         Initialize arg_serial_ (all constructors).
2299         (Input_file_argument::set_arg_serial): New function.
2300         (Input_file_argument::arg_serial): New function.
2301         (Input_file_argument::arg_serial_): New data member.
2302         (Input_arguments::Input_arguments): Initialize file_count_.
2303         (Input_arguments::add_file): Remove const.
2304         (Input_arguments::number_of_input_files): New function.
2305         (Input_arguments::file_count_): New data member.
2306         (Command_line::number_of_input_files): Call
2307         Input_arguments::number_of_input_files.
2308         * output.cc (Output_segment_headers::Output_segment_headers):
2309         Set current size.
2310         (Output_section::Input_section::current_data_size): New function.
2311         (Output_section::Output_section): Initialize new data members.
2312         (Output_section::add_input_section): Don't do merge sections for
2313         an incremental link; allocate space from free list for an
2314         incremental update.
2315         (Output_section::add_output_section_data): Allocate space from
2316         free list for an incremental update.
2317         (Output_section::update_data_size): New function.
2318         (Output_section::set_fixed_layout): New function.
2319         (Output_section::reserve): New function.
2320         (Output_segment::set_section_addresses): Remove const.
2321         (Output_segment::set_section_list_addresses): Remove const; allocate
2322         space from free list for an incremental update.
2323         (Output_segment::set_offset): Adjust size of RELRO segment for an
2324         incremental update.
2325         * output.h (Output_data::current_data_size): Move here from
2326         child classes.
2327         (Output_data::pre_finalize_data_size): New function.
2328         (Output_data::update_data_size): New function.
2329         (Output_section_headers::update_data_size): new function.
2330         (Output_section_data_build::current_data_size): Move to Output_data.
2331         (Output_data_strtab::update_data_size): New function.
2332         (Output_section::current_data_size): Move to Output_data.
2333         (Output_section::set_fixed_layout): New function.
2334         (Output_section::has_fixed_layout): New function.
2335         (Output_section::reserve): New function.
2336         (Output_section::update_data_size): New function.
2337         (Output_section::has_fixed_layout_): New data member.
2338         (Output_section::free_list_): New data member.
2339         (Output_segment::set_section_addresses): Remove const.
2340         (Output_segment::set_section_list_addresses): Remove const.
2341         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2342         New function.
2343         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2344         New function.
2345         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2346         parameter when calling Add_symbols constructor; store argument
2347         serial number for members of a lib group.
2348         (Add_symbols::locks): Allow case where token == NULL.
2349         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2350         (Read_member::~Read_member): New function.
2351         (Read_member::is_runnable): New function.
2352         (Read_member::locks): New function.
2353         (Read_member::run): New function.
2354         (Check_script::~Check_script): New function.
2355         (Check_script::is_runnable): New function.
2356         (Check_script::locks): New function.
2357         (Check_script::run): New function.
2358         (Check_library::~Check_library): New function.
2359         (Check_library::is_runnable): New function.
2360         (Check_library::locks): New function.
2361         (Check_library::run): New function.
2362         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2363         (Add_symbols::library_): New data member.
2364         (class Read_member): New class.
2365         (class Check_script): New class.
2366         (class Check_library): New class.
2367         * reloc.cc (Read_relocs::is_runnable): Allow case where
2368         token == NULL.
2369         (Read_relocs::locks): Likewise.
2370         (Scan_relocs::locks): Likewise.
2371         (Relocate_task::locks): Likewise.
2372         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2373         to clear counters.
2374         (Sized_relobj::incremental_relocs_scan): Fix comment.
2375         (Sized_relobj::do_relocate): Pass output file offset to
2376         write_local_symbols.
2377         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2378         from class declaration.
2379         * script.cc (read_input_script): Allocate Script_info; pass
2380         argument serial number to report_script.
2381         * script.h (class Script_info): Move to incremental.h.
2382         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2383         * symtab.h (Symbol_table::add_from_incrobj): New function.
2384         (Symbol_table::set_file_offset): New function.
2385
2386 2011-04-05  Cary Coutant  <ccoutant@google.com>
2387
2388         * incremental-dump.cc (dump_incremental_inputs): Change signature
2389         to take a Sized_incremental_binary; change caller.  Use readers
2390         in Sized_incremental_binary.
2391         * incremental.cc
2392         (Sized_incremental_binary::find_incremental_inputs_sections):
2393         Rename do_find_incremental_inputs_sections to this.
2394         (Sized_incremental_binary::setup_readers): New function.
2395         (Sized_incremental_binary::do_check_inputs): Check
2396         has_incremental_info_ flag; move setup code to setup_readers;
2397         use input readers.
2398         (Sized_incremental_binary::do_file_is_unchanged): New function.
2399         (Sized_incremental_binary::do_get_input_reader): New function.
2400         * incremental.h (class Incremental_binary): Move to end of file.
2401         (Incremental_binary::file_is_unchanged): New function.
2402         (Incremental_binary::do_file_is_unchanged): New function.
2403         (Incremental_binary::Input_reader): New class.
2404         (Incremental_binary::get_input_reader): New function.
2405         (class Sized_incremental_binary): Move to end of file.
2406         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2407         input section reader classes.
2408         (Sized_incremental_binary::has_incremental_info): New function.
2409         (Sized_incremental_binary::inputs_reader): New function.
2410         (Sized_incremental_binary::symtab_reader): New function.
2411         (Sized_incremental_binary::relocs_reader): New function.
2412         (Sized_incremental_binary::got_plt_reader): New function.
2413         (Sized_incremental_binary::do_file_is_unchanged): New function.
2414         (Sized_incremental_binary::Sized_input_reader): New class.
2415         (Sized_incremental_binary::get_input_reader): New function.
2416         (Sized_incremental_binary::find_incremental_inputs_sections):
2417         Rename do_find_incremental_inputs_sections to this.
2418         (Sized_incremental_binary::setup_readers): New function.
2419         (Sized_incremental_binary::has_incremental_info_): New data member.
2420         (Sized_incremental_binary::inputs_reader_): New data member.
2421         (Sized_incremental_binary::symtab_reader_): New data member.
2422         (Sized_incremental_binary::relocs_reader_): New data member.
2423         (Sized_incremental_binary::got_plt_reader_): New data member.
2424         (Sized_incremental_binary::current_input_file_): New data member.
2425
2426 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2427
2428         PR gold/12640
2429         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2430         violation.
2431
2432 2011-03-30  Cary Coutant  <ccoutant@google.com>
2433
2434         * archive.cc (Archive::include_member): Adjust call to report_object.
2435         (Add_archive_symbols::run): Add script_info to call to
2436         report_archive_begin.
2437         (Lib_group::include_member): Adjust call to report_object.
2438         (Add_lib_group_symbols::run): Adjust call to report_object.
2439         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2440         blocks.  Add object count for script input files.
2441         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2442         script_info parameter; change all callers.
2443         (Incremental_inputs::report_object): Add script_info parameter;
2444         change all callers.
2445         (Incremental_inputs::report_script): Store backpointer to
2446         incremental info entry.
2447         (Output_section_incremental_inputs::set_final_data_size): Record
2448         additional information for scripts.
2449         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2450         * incremental.h (Incremental_script_entry::add_object): New function.
2451         (Incremental_script_entry::get_object_count): New function.
2452         (Incremental_script_entry::get_object): New function.
2453         (Incremental_script_entry::objects_): New data member; adjust
2454         constructor.
2455         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2456         (Incremental_inputs::report_object): Add script_info parameter.
2457         (Incremental_inputs_reader::get_object_count): New function.
2458         (Incremental_inputs_reader::get_object_offset): New function.
2459         * options.cc (Input_arguments::add_file): Return reference to
2460         new input argument.
2461         * options.h (Input_argument::set_script_info): New function.
2462         (Input_argument::script_info): New function.
2463         (Input_argument::script_info_): New data member; adjust all
2464         constructors.
2465         (Input_file_group::add_file): Return reference to new input argument.
2466         (Input_file_lib::add_file): Likewise.
2467         (Input_arguments::add_file): Likewise.
2468         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2469         * script.cc (Parser_closure::Parser_closure): Add script_info
2470         parameter; adjust all callers.
2471         (Parser_closure::script_info): New function.
2472         (Parser_closure::script_info_): New data member.
2473         (read_input_script): Report scripts earlier to incremental info.
2474         (script_add_file): Set script_info in Input_argument.
2475         (script_add_library): Likewise.
2476         * script.h (Script_options::Script_info): Rewrite class.
2477
2478 2011-03-29  Cary Coutant  <ccoutant@google.com>
2479
2480         * archive.cc (Library_base::should_include_member): Move
2481         method here from class Archive.
2482         (Archive::Archive): Initialize base class.
2483         (Archive::should_include_member): Move to base class.
2484         (Archive::do_for_all_unused_symbols): New function.
2485         (Add_archive_symbols::run): Remove redundant access to
2486         incremental_inputs.
2487         (Lib_group::Lib_group): Initialize base class.
2488         (Lib_group::do_filename): New function.
2489         (Lib_group::include_member): Pass pointer to Lib_group to
2490         report_object.
2491         (Lib_group::do_for_all_unused_symbols): New function.
2492         (Add_lib_group_symbols::run): Report archive information for
2493         incremental links.
2494         * archive.h (class Library_base): New base class.
2495         (class Archive): Derive from Library_base.
2496         (Archive::filename): Move to base class.
2497         (Archive::set_incremental_info): Likewise.
2498         (Archive::incremental_info): Likewise.
2499         (Archive::Should_include): Likewise.
2500         (Archive::should_include_member): Likewise.
2501         (Archive::Armap_entry): Remove.
2502         (Archive::Unused_symbol_iterator): Remove.
2503         (Archive::unused_symbols_begin): Remove.
2504         (Archive::unused_symbols_end): Remove.
2505         (Archive::do_filename): New function.
2506         (Archive::do_get_mtime): New function.
2507         (Archive::do_for_all_unused_symbols): New function.
2508         (Archive::task_): Move to base class.
2509         (Archive::incremental_info_): Likewise.
2510         (class Lib_group): Derive from Library_base.
2511         (Lib_group::do_filename): New function.
2512         (Lib_group::do_get_mtime): New function.
2513         (Lib_group::do_for_all_unused_symbols): New function.
2514         (Lib_group::task_): Move to base class.
2515         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2516         function.
2517         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2518         function.
2519         * incremental.cc (Incremental_inputs::report_archive_begin):
2520         Use Library_base; call library's get_mtime; add incremental inputs
2521         entry before members.
2522         (class Unused_symbol_visitor): New class.
2523         (Incremental_inputs::report_archive_end): Use Library_base; use
2524         visitor class to record unused symbols; don't add incremental inputs
2525         entry after members.
2526         (Incremental_inputs::report_object): Use Library_base.
2527         * incremental.h
2528         (Incremental_archive_entry::Incremental_archive_entry): Remove
2529         unused Archive parameter.
2530         (Incremental_inputs::report_archive_begin): Use Library_base.
2531         (Incremental_inputs::report_archive_end): Likewise.
2532         (Incremental_inputs::report_object): Likewise.
2533         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2534         function.
2535         * object.h (Object::for_all_global_symbols): New function.
2536         (Object::do_for_all_global_symbols): New function.
2537         (Sized_relobj::do_for_all_global_symbols): New function.
2538         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2539         function.
2540         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2541         function.
2542
2543 2011-03-27  Ian Lance Taylor  <iant@google.com>
2544
2545         * archive.cc (Archive::interpret_header): Return -1 if something
2546         goes wrong.  Change callers accordingly.
2547
2548 2011-03-25  Cary Coutant  <ccoutant@google.com>
2549
2550         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2551         * testsuite/Makefile.in: Regenerate.
2552
2553 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2554
2555         * plugin.cc (get_view): New.
2556         (Plugin::load): Pass get_view to the plugin.
2557         (Plugin_manager::get_view): New.
2558
2559 2011-03-21  Ian Lance Taylor  <iant@google.com>
2560
2561         * testsuite/final_layout.sh: Rewrite to not use dc.
2562         * testsuite/relro_test.sh: Fail if dc is not present.
2563
2564 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2565
2566         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2567         Change == to -eq.
2568         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2569         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2570         Change == to -eq.
2571         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2572         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2573
2574 2011-03-14  Ian Lance Taylor  <iant@google.com>
2575
2576         * script-sections.cc (Sort_output_sections::script_compare):
2577         Rename from is_before, change return type.
2578         (Sort_output_sections::operator()): Adjust accordingly.
2579
2580 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2581
2582         PR gold/12572
2583         * testsuite/odr_violation2.cc: Add comment to make all error line
2584         numbers double digits.
2585         * testsuite/debug_msg.sh: Adjust expected errors.
2586
2587 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2588
2589         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2590         but mark earlier ones as non-canonical
2591         (offset_to_iterator): Update search target and example
2592         (do_addr2line): Return extra lines in a vector*
2593         (format_file_lineno): Extract from do_addr2line
2594         (one_addr2line): Add vector* out-param
2595         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2596         when a lineno entry appeared last for its instruction
2597         (Dwarf_line_info): Add vector* out-param
2598         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2599         * symtab.cc (Odr_violation_compare): Include the lineno in the
2600         comparison again.
2601         (linenos_from_loc): New. Combine the canonical line for an
2602         address with its other lines.
2603         (True_if_intersect): New. Helper functor to make
2604         std::set_intersection a query.
2605         (detect_odr_violations): Compare sets of lines instead of just
2606         one line for each function. This became less deterministic, but
2607         has fewer false positives.
2608         * symtab.h: Declarations.
2609         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2610         mix an optimized and non-optimized object in the same binary
2611         (odr_violation2.so): Same.
2612         * testsuite/Makefile.in: Regenerate from Makefile.am.
2613         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2614         * testsuite/debug_msg.sh: Update line numbers and add
2615         assertions.
2616         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2617         non-optimized context.
2618         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2619         isn't inlined, and use OdrDerived in an optimized context.
2620         * testsuite/odr_header1.h: Defines OdrDerived, where
2621         optimization will change the
2622         first-instruction-in-the-destructor's file and line number.
2623         * testsuite/odr_header2.h: Defines OdrBase.
2624
2625 2011-03-09  Ian Lance Taylor  <iant@google.com>
2626
2627         * fileread.cc (File_read::clear_views): Don't delete the whole
2628         file view.
2629
2630 2011-03-08  Ian Lance Taylor  <iant@google.com>
2631
2632         PR gold/12525
2633         * fileread.cc: #include <climits>.
2634         (GOLD_IOV_MAX): Define.
2635         (File_read::read_multiple): Limit number of entries by iov_max.
2636         * fileread.h (class File_read): Always set max_readv_entries to
2637         128.
2638
2639 2011-03-07  Ian Lance Taylor  <iant@google.com>
2640
2641         PR gold/12525
2642         * options.h (class General_options): Add -dy and -dn.
2643
2644 2011-03-02  Cary Coutant  <ccoutant@google.com>
2645
2646         * testsuite/script_test_9.t: Add TLS segment.
2647
2648 2011-03-02  Simon Baldwin  <simonb@google.com>
2649
2650         * configure.ac: Add check for gnu_indirect_function support in
2651         the toolchain building binutils.
2652         * configure: Rebuild.
2653
2654 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2655
2656         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2657         plugin only symbols.
2658         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2659         in plugin files as not needed in the symbol table.
2660
2661 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2662
2663         * output.cc (Output_section::add_input_section): Delay fill
2664         generation for section ordering.
2665
2666 2011-02-09  Ian Lance Taylor  <iant@google.com>
2667
2668         PR gold/12316
2669         * object.h (class Sized_relobj): Remove clear_local_symbols.
2670         * reloc.cc (Sized_relobj::do_relocate): Don't call
2671         clear_local_symbols.
2672
2673 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2674
2675         * plugin.cc (is_visible_from_outside): Return true for symbols
2676         in the -u option.
2677
2678 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2679
2680         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2681         filename.
2682
2683 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2684
2685         * icf.h (is_section_foldable_candidate): Change type of parameter
2686         to std::string.
2687         * icf.cc (Icf::find_identical_sections): Change type of local variable
2688         section_name to be std::string.
2689         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2690
2691 2011-01-25  Ian Lance Taylor  <iant@google.com>
2692
2693         * script.cc (script_add_extern): Rewrite to use
2694         add_symbol_reference.
2695
2696 2011-01-25  Doug Kwan  <dougkwan@google.com>
2697
2698         * icf.cc (get_section_contents): Always lock section's object.
2699
2700 2011-01-24  Ian Lance Taylor  <iant@google.com>
2701
2702         * options.h (class General_options): Accept
2703         --no-detect-odr-violations.
2704
2705 2011-01-24  Ian Lance Taylor  <iant@google.com>
2706
2707         * version.cc (version_string): Bump to 1.11.
2708
2709 2011-01-24  Ian Lance Taylor  <iant@google.com>
2710
2711         * plugin.cc (class Plugin_rescan): Define new class.
2712         (Plugin_manager::claim_file): Set any_claimed_.
2713         (Plugin_manager::save_archive): New function.
2714         (Plugin_manager::save_input_group): New function.
2715         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2716         necessary.
2717         (Plugin_manager::new_undefined_symbol): New function.
2718         (Plugin_manager::rescan): New function.
2719         (Plugin_manager::rescannable_defines): New function.
2720         (Plugin_manager::add_input_file): Set any_added_.
2721         * plugin.h (class Plugin_manager): define new fields rescannable_,
2722         undefined_symbols_, any_claimed_, and any_added_.  Declare
2723         Plugin_rescan as friend.  Declare new functions.
2724         (Plugin_manager::Rescannable): Define type.
2725         (Plugin_manager::Rescannable_list): Define type.
2726         (Plugin_manager::Undefined_symbol_list): Define type.
2727         (Plugin_manager::Plugin_manager): Initialize new fields.
2728         * archive.cc (Archive::defines_symbol): New function.
2729         (Add_archive_symbols::run): Pass archive to plugins if any.
2730         * archive.h (class Archive): Declare defines_symbol.
2731         * readsyms.cc (Input_group::~Input_group): New function.
2732         (Finish_group::run): Pass input_group to plugins if any.
2733         * readsyms.h (class Input_group): Declare destructor.
2734         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2735         any.
2736
2737 2011-01-10  Ian Lance Taylor  <iant@google.com>
2738
2739         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2740         section as relro.
2741         (Layout::set_segment_offsets): Reset increase_relro before calling
2742         set_section_addresses a second time.
2743
2744 2011-01-04  Cary Coutant  <ccoutant@google.com>
2745
2746         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2747         sections before NOBITS sections.
2748
2749 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2750
2751         * version.cc (print_version): Update copyright to 2011.
2752
2753 2010-12-23  Cary Coutant  <ccoutant@google.com>
2754
2755         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2756         of OS to this->add.  Add OD parameter to second form of the function.
2757
2758 2010-12-20  Ian Lance Taylor  <iant@google.com>
2759
2760         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2761         second of two consecutive entries with same offset.
2762
2763 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2764
2765         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2766         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2767         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2768         to avoid unneeded links against $(LDADD).
2769         * testsuite/Makefile.in: Regenerate.
2770
2771 2010-12-15  Ian Lance Taylor  <iant@google.com>
2772
2773         PR gold/12324
2774         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2775         for R_X86_64_32 and R_X86_64_PC32.
2776         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2777         ver_matching_def_pic.o.
2778         (ver_matching_def_pic.o): New target.
2779
2780 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2781
2782         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2783         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2784         Move definition before File_read::View member definitions.
2785         (File_read::View::~View): Initialize and hold lock before
2786         updating current_mapped_bytes.
2787
2788 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2789
2790         * dwarf_reader.cc: Remove outdated comment.
2791         * gold-threads.cc: Fix typo in error message.
2792         * archive.cc: Fix typos in comments.
2793         * archive.h: Likewise.
2794         * arm-reloc-property.cc: Likewise.
2795         * arm-reloc-property.h: Likewise.
2796         * arm-reloc.def: Likewise.
2797         * arm.cc: Likewise.
2798         * attributes.h: Likewise.
2799         * cref.cc: Likewise.
2800         * ehframe.cc: Likewise.
2801         * fileread.h: Likewise.
2802         * gold.h: Likewise.
2803         * i386.cc: Likewise.
2804         * icf.cc: Likewise.
2805         * incremental.h: Likewise.
2806         * int_encoding.cc: Likewise.
2807         * layout.h: Likewise.
2808         * main.cc: Likewise.
2809         * merge.h: Likewise.
2810         * object.cc: Likewise.
2811         * object.h: Likewise.
2812         * options.cc: Likewise.
2813         * readsyms.cc: Likewise.
2814         * reduced_debug_output.cc: Likewise.
2815         * reloc.cc: Likewise.
2816         * script-sections.cc: Likewise.
2817         * sparc.cc: Likewise.
2818         * symtab.h: Likewise.
2819         * target-reloc.h: Likewise.
2820         * target.cc: Likewise.
2821         * target.h: Likewise.
2822         * timer.cc: Likewise.
2823         * timer.h: Likewise.
2824         * x86_64.cc: Likewise.
2825
2826 2010-12-09  Cary Coutant  <ccoutant@google.com>
2827
2828         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2829         stack.
2830         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2831         parameter; change all callers.
2832         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2833         * options.h (warn_execstack): New option.
2834
2835 2010-12-07  Doug Kwan  <dougkwan@google.com>
2836
2837         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2838         like function call relocations.
2839
2840 2010-12-07  Ian Lance Taylor  <iant@google.com>
2841
2842         * archive.cc (Archive::get_elf_object_for_member): Permit
2843         punconfigured to be NULL.
2844         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2845         (Archive::include_member): Pass NULL to get_elf_object_for_member
2846         if we searched for the archive and this is the first included
2847         object.
2848
2849 2010-12-01  Ian Lance Taylor  <iant@google.com>
2850
2851         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2852         track_relocs_type_ field.
2853         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2854         Set track_relocs_type_.
2855         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2856         contents when using RELA relocs.
2857         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2858         reloc_map_.
2859         * reloc.cc (Track_relocs::next_addend): New function.
2860         * reloc.h (class Track_relocs): Declare next_addend.
2861
2862 2010-12-01  Ian Lance Taylor  <iant@google.com>
2863
2864         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2865         virtual destructor.
2866
2867 2010-12-01  Ian Lance Taylor  <iant@google.com>
2868
2869         * README: Update compilers known to work and fail.
2870
2871 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2872
2873         * configure.in: For --enable-gold, handle value `default' instead of
2874         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2875         not the default.
2876         * configure: Regenerate.
2877
2878 2010-11-18  Doug Kwan  <dougkwan@google.com>
2879
2880         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2881         and right_alignment to be zero.  Store result alignment only if it is
2882         greater than existing alignment.
2883
2884 2010-11-16  Cary Coutant  <ccoutant@google.com>
2885
2886         PR gold/12220
2887         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2888         Check for ".zdebug_line".
2889
2890 2010-11-16  Doug Kwan  <dougkwan@google.com>
2891             Cary Coutant  <ccoutant@google.com>
2892
2893         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2894         by reference; adjust all callers.
2895         * output.cc (Output_segment::set_section_addresses): Adjust references
2896         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2897         list is empty.
2898         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2899         end at page boundary.
2900
2901 2010-11-16  Cary Coutant  <ccoutant@google.com>
2902
2903         PR gold/12220
2904         * layout.cc (Layout::choose_output_section): Transform names of
2905         compressed sections even when using a script with a SECTIONS clause.
2906         (Layout::output_section_name): Remove code to transform
2907         compressed debug section names.
2908         * output.cc (Output_section::add_input_section): Use uncompressed
2909         section size when tracking input sections.
2910
2911 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2912
2913         * symtab.h (Symbol::NON_PIC_REF): Remove.
2914         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2915         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2916         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2917         (Symbol::use_plt_offset): Take a flags argument and pass it
2918         directly to needs_dynamic_reloc.  Restrict check for undefined
2919         weak symbols to function calls.
2920         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2921         (Target_arm::Scan::global): Use it.
2922         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2923         (Target_arm::Relocate::relocate): Likewise.
2924         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2925         parameter with an r_type parameter.  Use get_reference_flags
2926         to get the flags.
2927         (Target_arm::Relocate::relocate): Update accordingly.
2928         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2929         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2930         (Target_i386::Scan::global): Likewise.
2931         (Target_i386::Relocate::relocate): Likewise.
2932         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2933         parameter with an r_type parameter.  Use get_reference_flags
2934         to get the flags.
2935         (Target_i386::Relocate::relocate): Update accordingly.
2936         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2937         (Target_powerpc::Scan::global): Use it.
2938         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2939         (Target_powerpc::Relocate::relocate): Likewise.
2940         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2941         (Target_sparc::Scan::global): Use it.
2942         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2943         (Target_sparc::Relocate::relocate): Likewise.
2944         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2945         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2946         (Target_x86_64::Scan::global): Likewise.
2947         (Target_x86_64::Relocate::relocate): Likewise.
2948
2949 2010-11-08  Doug Kwan  <dougkwan@google.com>
2950             Cary Coutant  <ccoutant@google.com>
2951
2952         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2953         (Arm_exidx_merge_section::section_contents_): New data member.
2954         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2955         (Arm_input_section::~Arm_input_section): De-allocate memory.
2956         (Arm_input_section::original_contents_): New data member.
2957         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2958         in parameters instead of calling Object::section_contents without
2959         locking.
2960         (Arm_output_section::group_section): New parameter TASK.  Pass it
2961         to callees that need locking objects.
2962         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2963         to lock EXIDX input sections.  Fix a formatting issue.  Call
2964         Arm_exidx_merged_section::build_contents to create merged section
2965         contents.
2966         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2967         to lock object of stub table owner.
2968         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2969         TEXT_SIZE to initialize data member TEXT_SIZE_.
2970         (Arm_exidx_input_section::addralign): Fix typo in comment.
2971         (Arm_exidx_input_section::text_size): New method.
2972         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2973         that require locking objects.  Lock objects before scanning for stubs
2974         and updating local symbols.
2975         (Arm_input_section<big_endian>::init): Copy contents of original
2976         input section.
2977         (Arm_input_section<big_endian>::do_write): Use saved contents of
2978         original input section instead of calling Object::section_contents
2979         without locking.
2980         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2981         size without calling Object::section_size().
2982         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2983         for size.  Allocate a buffer for merged EXIDX entries.
2984         (Arm_exidx_merged_section::build_contents): New method.
2985         (Arm_exidx_merged_section::do_write): Move merge section contents
2986         building code to Arm_exidx_merged_section::build_contetns.  Write
2987         out contetns in buffer instead of building it on the fly.
2988         (Arm_relobj::make_exidx_input_section): Also pass text section size
2989         to Arm_exidx_input_section constructor.
2990         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2991         (Arm_dynobj::do_read_symbols): Fix memory leak.
2992         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2993         * target.h: (class Task): Add forward declaration.
2994         (Target::relax): Add new parameter TASK and pass it to
2995         Target::do_relax().
2996         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2997
2998 2010-11-05  Cary Coutant  <ccoutant@google.com>
2999
3000         PR gold/10708
3001         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3002         object when reading from the file.
3003         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3004         second layout pass.
3005         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3006         when reading section contents.
3007         (get_section_contents): Likewise.
3008         (icf::find_identical_sections): Likewise.
3009         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3010         object when reading from the file.
3011         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3012         the object when doing deferred section layout.
3013
3014 2010-11-03  Nick Clifton  <nickc@redhat.com>
3015
3016         PR gold/12001
3017         * script.h (class Symbol_assignment: name): New member.  Returns
3018         the name of the symbol.
3019         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3020         Returns true if the given symbol name is on the list of
3021         assignments wating to be processed.
3022         * archive.cc (should_incldue_member): If the symbol is undefined,
3023         check to see if it is on the list of symbols pending assignment.
3024
3025 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3026
3027         * script-sections.cc (Script_sections::find_memory_region): Check
3028         for a NULL output section pointer.
3029
3030 2010-10-29  Doug Kwan  <dougkwan@google.com>
3031
3032         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3033         Output_section::add_relaxed_input_section.
3034         * output.cc (Output_section::add_relaxed_input_section): Add new
3035         arguments LAYOUT and NAME.  Set section order index.
3036         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3037         Copy section order index.
3038         * output.h (Output_section::add_relaxed_input_section): Add new
3039         arguments LAYOUT and NAME.
3040
3041 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3042
3043         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3044         NATIVE_OR_CROSS_LINKER.
3045         * testsuite/Makefile.in: Regenerate.
3046
3047 2010-10-20  Doug Kwan  <dougkwan@google.com>
3048
3049         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3050         without SHF_LINK_ORDER flags.
3051         * layout.cc (Layout::choose_output_section): Do not filter
3052         SHF_LINK_ORDER flag in a relocatable link.
3053
3054 2010-10-17  Cary Coutant  <ccoutant@google.com>
3055
3056         * output.h (Output_segment::set_section_addresses): Change function
3057         signature.  Update all callers.
3058         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3059         sections.
3060         (Output_segment::set_section_addresses): Align after last TLS
3061         section.  Add padding before last relro section instead of after.
3062
3063 2010-10-17  Doug Kwan  <dougkwan@google.com>
3064
3065         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3066         GOT output section to be writable.
3067
3068 2010-10-14  Cary Coutant  <ccoutant@google.com>
3069
3070         * debug.h (DEBUG_INCREMENTAL): New flag.
3071         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3072         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3073         mode.
3074         * incremental.cc (report_command_line): Ignore all forms of
3075         --incremental.
3076         * layout.cc (Layout::Layout): Check parameters for incremental link
3077         mode.
3078         * options.cc (General_options::parse_incremental): New function.
3079         (General_options::parse_no_incremental): New function.
3080         (General_options::parse_incremental_full): New function.
3081         (General_options::parse_incremental_update): New function.
3082         (General_options::incremental_mode_): New data member.
3083         (General_options::finalize): Check incremental_mode_.
3084         * options.h (General_options): Update help text for --incremental.
3085         Add --no-incremental, --incremental-full, --incremental-update.
3086         (General_options::Incremental_mode): New enum type.
3087         (General_options::incremental_mode): New function.
3088         (General_options::incremental_mode_): New data member.
3089         * parameters.cc (Parameters::incremental_mode_): New data member.
3090         (Parameters::set_options): Set incremental_mode_.
3091         (Parameters::set_incremental_full): New function.
3092         (Parameters::incremental): New function.
3093         (Parameters::incremental_update): New function.
3094         (set_parameters_incremental_full): New function.
3095         * parameters.h (Parameters::set_incremental_full): New function.
3096         (Parameters::incremental): New function.
3097         (Parameters::incremental_update): New function.
3098         (Parameters::incremental_mode_): New data member.
3099         (set_parameters_incremental_full): New function.
3100         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3101         incremental link mode.
3102         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3103         (Sized_relobj::do_relocate_sections): Likewise.
3104         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3105         option.
3106         * testsuite/Makefile.in: Regenerate.
3107         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3108
3109 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3110
3111         * script-sections.h (class Script_sections): Make
3112         Sections_elements typedef public.
3113         * script-sections.cc (class Sort_output_sections): Add elements_
3114         field.  Add constructor which sets it; change all callers.
3115         (Sort_output_sections::is_before): New function.
3116         (Sort_output_sections::operator()): Call is_before.
3117         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3118         conditional.
3119         * testsuite/script_test_10.sh: New test. Test script section
3120         order.
3121         * testsuite/script_test_10.t: Likewise.
3122         * testsuite/script_test_10.s: Likewise.
3123         * testsuite/Makefile.am: Wrap the cross linker tests and the
3124         common tests into NATIVE_OR_CROSS_LINKER.
3125         (check_SCRIPTS): Add script_test_10.sh.
3126         (check_DATA): Add script_test_10.stdout.
3127         (script_test_10.o, script_test_10): New targets.
3128         (script_test_10.stdout): New target.
3129         * configure, testsuite/Makefile.in: Regenerate.
3130
3131 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3132
3133         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3134         error for the deprecated relocations.
3135         (Target_arm::Scan::global): Likewise.
3136         (Target_arm::Relocate::relocate): Likewise.
3137
3138 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3139
3140         * fileread.cc (Input_file::find_file): Initialize *found_name
3141         and *namep when using the fallback search for case 4.
3142
3143 2010-10-11  Cary Coutant  <ccoutant@google.com>
3144
3145         * options.h (class General_options): Redefine -z lazy as an alias for
3146         the negation of -z now.
3147
3148 2010-10-11  Ian Lance Taylor  <iant@google.com>
3149
3150         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3151         binding.
3152
3153 2010-10-06  Nick Clifton  <nickc@redhat.com>
3154
3155         * script-sections.cc(class Memory_region): Remove
3156         current_lma_offset_ field.  Rename current_vma_offset_ to
3157         current_offset_.  Add last_section_ field.
3158         (Memory_region::get_current_vma_address): Rename to
3159         get_current_address.
3160         (Memory_region::get_current_lma_address): Delete.
3161         (Memory_region::increment_vma_offset): Rename to
3162         increment_offset.
3163         (Memory_region::increment_lma_offset): Delete.
3164         (Memory_region::attributes_compatible): New method.  Returns
3165         true if the provided section is compatible with the region.
3166         (Memory_region::get_last_section): New method.  Returns the last
3167         section to use the region.
3168         (Memory_region::set_last_section): New method.  Stores the last
3169         section to use the region.
3170         (Script_sections::block_in_region): New method.  Returns true if
3171         a block of memory is contained within a region.
3172         (Script_sections::find_memory_region): New method.  Locates a
3173         memory region to be used to set a VMA or LMA address.
3174         (Output_section_definition::set_section_addresses): Add code to
3175         check for addresses set by memory regions.
3176         (Output_segment::set_section_addresses): Remove memory region
3177         walking code.
3178         (Script_sections::create_segment): Add a warning if a header
3179         segment is created outside of any region.
3180         * script-sections.h (class Script_sections): Add prototypes for
3181         find_memory_region and block_in_region methods.
3182         * testsuite/memory_test.s: Use .long instead of .word.
3183         * testsuite/memory_test.t: Add some more output sections.
3184         * testsuite/memory_test.sh: Update expected output.
3185
3186 2010-10-02  Doug Kwan  <dougkwan@google.com>
3187
3188         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3189         defintion to symtab.h
3190         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3191         declaration to defintion.
3192
3193 2010-10-01  Nick Clifton  <nickc@redhat.com>
3194
3195         * expression.cc (eval): Replace dummy argument with NULL.
3196         (eval_maybe_dot): Check for a NULL result section pointer.
3197         (Symbol_expression::value): Likewise.
3198         (Dot_expression::value): Likewise.
3199         (BINARY_EXPRESSION): Likewise.
3200         (Max_expression::value): Likewise.
3201         (Min_expression::value): Likewise.
3202         (Absolute_expression::value): Likewise.
3203         (Addr_expression::value_from_output_section): Likewise.
3204         (Loaddddr_expression::value_from_output_section): Likewise.
3205         (Segment_start_expression::value): Likewise.
3206         * script-sections.cc
3207         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3208         argument with NULL.
3209         (Sections_elememt_dot_assignment::set_section_addresses):
3210         Likewise.
3211         (Output_data_expression::do_write_to_buffer): Likewise.
3212         (Output_section_definition::finalize_symbols): Likewise.
3213         (Output_section_definition::set_section_addresses): Likewise.
3214
3215 2010-09-30  Doug Kwan  <dougkwan@google.com>
3216
3217         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3218
3219 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3220
3221         * target.h (Target::can_icf_inline_merge_sections): New virtual
3222         function.
3223         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3224         virtual function.
3225         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3226         virtual function.
3227         * icf.cc (get_section_contents): Inline merge sections only when
3228         target allows it.
3229
3230 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3231
3232         * configure: Regenerate.
3233
3234 2010-09-17  Ian Lance Taylor  <iant@google.com>
3235
3236         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3237         * testsuite/Makefile.am (memory_test.o): New target.
3238         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3239         memory_test.t.
3240         * testsuite/Makefile.in: Rebuild.
3241
3242 2010-09-17  Doug Kwan  <dougkwan@google.com>
3243
3244         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3245         defintion if relocation uses GOT entries of the symbol.
3246         * testsuite/icf_safe_test.sh: Fix test.
3247         * testsuite/icf_safe_so_test.sh: Fix test.
3248
3249 2010-09-16  Cary Coutant  <ccoutant@google.com>
3250
3251         * script_sections.cc (class Memory_region): Remove "NULL" from
3252         vector initializations.
3253
3254 2010-09-15  Cary Coutant  <ccoutant@google.com>
3255
3256         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3257         Resolve forwarding symbols.
3258
3259 2010-09-15  Doug Kwan  <dougkwan@google.com>
3260
3261         * gold/testsuite/script_test_3.t: Add ARM special sections.
3262         * gold/testsuite/script_test_4.t: Same.
3263         * gold/testsuite/script_test_5.t: Same.
3264         * gold/testsuite/script_test_6.t: Same.
3265         * gold/testsuite/script_test_7.t: Same.
3266         * gold/testsuite/script_test_7.t: Same.
3267         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3268
3269 2010-09-14  Cary Coutant  <ccoutant@google.com>
3270
3271         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3272         (Target_x86_64::Relocate::relocate_tls): Replace check for
3273         saw_tls_block_reloc_ with test for executable section.
3274
3275 2010-09-12  Cary Coutant  <ccoutant@google.com>
3276
3277         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3278         position-independent executables to shared libraries need dynamic
3279         relocations.
3280         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3281         position-independent executables.
3282         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3283         * testsuite/Makefile.in: Regenerate.
3284
3285 2010-09-10  Nick Clifton  <nickc@redhat.com>
3286
3287         PR gold/11997
3288         * testsuite/memory_test.t: Discard any sections that are not
3289         needed.
3290
3291 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3292
3293         PR gold/11996
3294         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3295         "This::" to work around a bug in gcc 4.2.
3296
3297         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3298
3299 2010-09-09  Rafael Espindola  <espindola@google.com>
3300
3301         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3302         sections with different PF_X flags in the same segment.
3303         (Layout::find_first_load_seg): Search all segments to find the first
3304         one.
3305         * options.h (rosegment): New.
3306
3307 2010-09-08  Rafael Espindola  <espindola@google.com>
3308
3309         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3310
3311 2010-09-08  Doug Kwan  <dougkwan@google.com>
3312
3313         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3314         (Arm_relobj::do_relocate_sections): Add new parameter for output
3315         file to match the parent.
3316         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3317         of local symbols instead of input values.  Update code to track
3318         changes in gold::relocate_section.
3319         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3320         (Sized_relobj::compute_final_local_value_internal): New methods.
3321         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3322         body into private version of Sized_relobj::compute_final_local_value.
3323         Call the inline method.
3324         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3325         merged symbol value if there is one.
3326         (Symbol_value::has_output_value): New method defintiion.
3327         (Sized_relobj::Compute_final_local_value_status): New enum type.
3328         (Sized_relobj::compute_final_local_value): New methods.
3329         (Sized_relobj::compute_final_local_value_internal): New methods.
3330         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3331         and arm_cortex_a8.sh.
3332         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3333         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3334         New tests.
3335         * Makefile.in: Regenerate.
3336         * testsuite/arm_bl_out_of_range.s: Update test.
3337         * testsuite/thumb_bl_out_of_range.s: Ditto.
3338         * testsuite/thumb_blx_out_of_range.s: Ditto.
3339         * testsuite/arm_branch_out_of_range.sh: New file.
3340         * testsuite/arm_cortex_a8.sh: Ditto.
3341         * testsuite/arm_cortex_a8_b.s: Ditto.
3342         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3343         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3344         * testsuite/arm_cortex_a8_bl.s: Ditto.
3345         * testsuite/arm_cortex_a8_blx.s: Ditto.
3346         * testsuite/arm_cortex_a8_local.s: Ditto.
3347         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3348         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3349
3350 2010-09-08  Rafael Espindola  <espindola@google.com>
3351
3352         * Makefile.am (memory_test.stdout): Run readelf with -W.
3353         * Makefile.in: Regenerate.
3354         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3355         64 bit output.
3356
3357 2010-09-08  Rafael Espindola  <espindola@google.com>
3358
3359         * script-sections.cc (Script_sections::add_memory_region): Convert
3360         field precision to int.
3361         * script.cc (script_set_section_region, script_set_section_region):
3362         Convert field precision to int.
3363
3364 2010-09-08  Rafael Espindola  <espindola@google.com>
3365
3366         * arm.cc (do_finalize_sections): Create the __exidx_start and
3367         __exdix_end symbols even when the section is missing.
3368
3369 2010-09-08  Nick Clifton  <nickc@redhat.com>
3370
3371         * README: Remove claim that MEMORY is not supported.
3372         * expression.cc (script_exp_function_origin)
3373         (script_exp_function_length): Move from here to ...
3374         * script.cc: ... here.
3375         (script_set_section_region, script_add_memory)
3376         (script_parse_memory_attr, script_include_directive): New
3377         functions.
3378         * script-sections.cc
3379         (class Memory_region): New class.
3380         (class Output_section_definition): Add set_memory_region,
3381         set_section_vma, set_section_lma and get_section_name methods.
3382         (class Script_Sections): Add add_memory_region,
3383         find_memory_region, find_memory_region_origin,
3384         find_memory_region_length and set_memory_region methods.
3385         Have set_section_addresses method walk the list of set memory
3386         regions.
3387         Extend the print methos to display memory regions.
3388         * script-sections.h: Add prototypes for new methods.
3389         Add enum for MEMORY region attributes.
3390         * yyscript.y: Add support for parsing MEMORY regions.
3391         * script-c.h: Add prototypes for new functions.
3392         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3393         * testsuite/Makefile.in: Regenerate.
3394         * testsuite/memory_test.sh: New script.
3395         * testsuite/memory_test.s: New assembler source file.
3396         * testsuite/memory_test.t: New linker script.
3397
3398 2010-08-27  Doug Kwan  <dougkwan@google.com>
3399
3400         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3401         reference override an existing dynamic weak reference.
3402         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3403         * testsuite/Makefile.in: Regenerate.
3404         * testsuite/dyn_weak_ref.sh: New file.
3405         * testsuite/dyn_weak_ref_1.c: Ditto.
3406         * testsuite/dyn_weak_ref_2.c: Ditto.
3407
3408 2010-08-27  Ian Lance Taylor  <iant@google.com>
3409
3410         * incremental.h (class Incremental_input_entry): Add virtual
3411         destructor.
3412
3413 2010-08-27  Ian Lance Taylor  <iant@google.com>
3414
3415         * testsuite/start_lib_test_3.c: Mark t3 as used.
3416
3417 2010-08-27  Nick Clifton  <nickc@redhat.com>
3418
3419         * options.cc (version_script): Fix small typo in previous
3420         whitespace tidyup.
3421
3422 2010-08-25  Nick Clifton  <nickc@redhat.com>
3423
3424         * archive.cc: Formatting fixes: Remove whitespace between
3425         typename and following asterisk.  Remove whitespace between
3426         function name and opening parenthesis.
3427         * archive.h: Likewise.
3428         * arm.cc: Likewise.
3429         * attributes.cc: Likewise.
3430         * attributes.h: Likewise.
3431         * common.cc: Likewise.
3432         * copy-relocs.cc: Likewise.
3433         * dirsearch.h: Likewise.
3434         * dynobj.cc: Likewise.
3435         * ehframe.cc: Likewise.
3436         * ehframe.h: Likewise.
3437         * expression.cc: Likewise.
3438         * fileread.cc: Likewise.
3439         * fileread.h: Likewise.
3440         * gc.h: Likewise.
3441         * gold-threads.cc: Likewise.
3442         * gold.cc: Likewise.
3443         * i386.cc: Likewise.
3444         * icf.h: Likewise.
3445         * incremental-dump.cc: Likewise.
3446         * incremental.cc: Likewise.
3447         * layout.cc: Likewise.
3448         * layout.h: Likewise.
3449         * main.cc: Likewise.
3450         * merge.cc: Likewise.
3451         * merge.h: Likewise.
3452         * object.cc: Likewise.
3453         * object.h: Likewise.
3454         * options.cc: Likewise.
3455         * options.h: Likewise.
3456         * output.cc: Likewise.
3457         * output.h: Likewise.
3458         * plugin.cc: Likewise.
3459         * plugin.h: Likewise.
3460         * powerpc.cc: Likewise.
3461         * reloc.cc: Likewise.
3462         * script-c.h: Likewise.
3463         * script-sections.cc: Likewise.
3464         * script.cc: Likewise.
3465         * stringpool.cc: Likewise.
3466         * symtab.cc: Likewise.
3467         * symtab.h: Likewise.
3468         * target.cc: Likewise.
3469         * timer.cc: Likewise.
3470         * timer.h: Likewise.
3471         * version.cc: Likewise.
3472         * x86_64.cc: Likewise.
3473
3474 2010-08-24  Nick Clifton  <nickc@redhat.com>
3475
3476         PR 11899
3477         * layout.cc (segment_precedes): Sort segments by their physical
3478         addresses, if they have been set.
3479
3480 2010-08-23  Cary Coutant  <ccoutant@google.com>
3481
3482         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3483         symbols data.
3484         (Lib_group::include_member): Unlock object after deleting its
3485         symbols data.
3486         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3487         the bug fixed here.
3488
3489 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3490             Cary Coutant  <ccoutant@google.com>
3491
3492         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3493         constructor, and set_blocker.
3494         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3495         readsyms_blocker_.
3496         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3497         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3498         * testsuite/Makefile.am (start_lib_test): New test case.
3499         * testsuite/Makefile.in: Regenerate.
3500         * testsuite/start_lib_test_main.c: New file.
3501         * testsuite/start_lib_test_1.c: New file.
3502         * testsuite/start_lib_test_2.c: New file.
3503         * testsuite/start_lib_test_3.c: New file.
3504
3505 2010-08-19  Ian Lance Taylor  <iant@google.com>
3506
3507         * Makefile.in: Rebuild with automake 1.11.1.
3508         * aclocal.m4: Likewise.
3509         * testsuite/Makefile.in: Likewise.
3510
3511 2010-08-19  Ian Lance Taylor  <iant@google.com>
3512
3513         PR 10893
3514         * i386.cc (class Output_data_plt_i386): Update declarations.
3515         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3516         local_ifuncs_ fields.
3517         (Target_i386::do_plt_section_for_global): New function.
3518         (Target_i386::do_plt_section_for_local): New function.
3519         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3520         parameter; change all callers.  Initialize global_ifuncs_ and
3521         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3522         __rel_iplt_end.
3523         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3524         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3525         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3526         symbols.
3527         (Target_i386::make_plt_section): New function, broken out of
3528         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3529         (Target_i386::make_plt_entry): Call make_plt_section.
3530         (Target_i386::make_local_ifunc_plt_entry): New function.
3531         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3532         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3533         R_386_IRELATIVE to switch.
3534         (Target_i386::Scan::global): Likewise.
3535         (Target_i386::Relocate::relocate): Likewise.
3536         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3537         switch.
3538         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3539         (Target_x86_64::do_plt_section_for_global): New function.
3540         (Target_x86_64::do_plt_section_for_local): New function.
3541         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3542         parameter; change all callers.  If doing a static link define
3543         __rela_iplt_start and __rela_iplt_end.
3544         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3545         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3546         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3547         to point to .plt.
3548         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3549         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3550         switch.
3551         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3552         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3553         R_X86_64_IRELATIVE to switch.
3554         (Target_x86_64::Scan::global): Likewise.
3555         (Target_x86_64::Relocate::relocate): Likewise.
3556         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3557         switch.
3558         * target.h (class Target): Add plt_section_for_global and
3559         plt_section_for_local functions.  Add do_plt_section_for_global
3560         and do_plt_section_for_local virtual functions.
3561         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3562         clarifying comments.
3563         (Symbol::use_plt_offset): Handle IFUNC symbol.
3564         * object.cc (Sized_relobj::Sized_relobj): Initialize
3565         local_plt_offsets_.
3566         (Sized_relobj::local_has_plt_offset): New function.
3567         (Sized_relobj::local_plt_offset): New function.
3568         (Sized_relobj::set_local_plt_offset): New function.
3569         (Sized_relobj::do_count): Handle IFUNC symbol.
3570         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3571         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3572         is_ifunc_symbol functions.
3573         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3574         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3575         local_plt_offsets_ field.
3576         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3577         * output.h (class Output_section_data): Add non-const
3578         output_section function.
3579         (class Output_data_got): Update declarations.
3580         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3581         Add use_plt_offset parameter to global and local constructors.
3582         Change all callers.  Change local_sym_index_ field to 31 bits.
3583         Change GSYM_CODE and CONSTANT_CODE accordingly.
3584         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3585         doing a static link don't set sh_link field.
3586         (Output_data_got::Got_entry::write): Use PLT offset if
3587         appropriate.
3588         (Output_data_got::add_global_plt): New function.
3589         (Output_data_got::add_local_plt): New function.
3590         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3591         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3592         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3593         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3594         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3595         IFUNC conditional.
3596         * testsuite/ifunc-sel.h: New file.
3597         * testsuite/ifuncmain1.c: New file.
3598         * testsuite/ifuncmain1vis.c: New file.
3599         * testsuite/ifuncmod1.c: New file.
3600         * testsuite/ifuncdep2.c: New file.
3601         * testsuite/ifuncmain2.c: New file.
3602         * testsuite/ifuncmain3.c: New file.
3603         * testsuite/ifuncmod3.c: New file.
3604         * testsuite/ifuncmain4.c: New file.
3605         * testsuite/ifuncmain5.c: New file.
3606         * testsuite/ifuncmod5.c: New file.
3607         * testsuite/ifuncmain6pie.c: New file.
3608         * testsuite/ifuncmod6.c: New file.
3609         * testsuite/ifuncmain7.c: New file.
3610         * configure, testsuite/Makefile.in: Rebuild.
3611
3612 2010-08-18  Ian Lance Taylor  <iant@google.com>
3613
3614         * incremental.cc
3615         (Output_section_incremental_inputs::write_input_files): Add cast
3616         to avoid signed/unsigned comparison warning.
3617         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3618
3619 2010-08-12  Cary Coutant  <ccoutant@google.com>
3620
3621         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3622
3623 2010-08-13  Ian Lance Taylor  <iant@google.com>
3624
3625         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3626
3627 2010-08-12  Cary Coutant  <ccoutant@google.com>
3628             Doug Kwan  <dougkwan@google.com>
3629
3630         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3631         defintion overrides non-weak undef, remember that the original undef
3632         is not weak.
3633         * symtab.cc (Symbol_table::sized_write_global): For undef without
3634         an original weak binding, set binding to global in output.
3635         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3636         * testsuite/Makefile.in: Regenerate.
3637         * testsuite/strong_ref_weak_def.sh: New file.
3638         * testsuite/strong_ref_weak_def_1.c: Ditto.
3639         * testsuite/strong_ref_weak_def_2.c: Ditto.
3640
3641 2010-08-12  Cary Coutant  <ccoutant@google.com>
3642
3643         * testsuite/incremental_test.sh: Rewrite.
3644         * testsuite/incremental_test_1.c: Rewrite.
3645         * testsuite/incremental_test_2.c: Rewrite.
3646
3647 2010-08-12  Cary Coutant  <ccoutant@google.com>
3648
3649         * arm.cc (Target_arm::got_size): Add const.
3650         (Target_arm::got_entry_count): New function.
3651         (Target_arm::plt_entry_count): New function.
3652         (Target_arm::first_plt_entry_offset): New function.
3653         (Target_arm::plt_entry_size): New function.
3654         (Output_data_plt_arm::entry_count): New function.
3655         (Output_data_plt_arm::first_plt_entry_offset): New function.
3656         (Output_data_plt_arm::get_plt_entry_size): New function.
3657         * i386.cc (Target_i386::got_size): Add const.
3658         (Target_i386::got_entry_count): New function.
3659         (Target_i386::plt_entry_count): New function.
3660         (Target_i386::first_plt_entry_offset): New function.
3661         (Target_i386::plt_entry_size): New function.
3662         (Output_data_plt_i386::entry_count): New function.
3663         (Output_data_plt_i386::first_plt_entry_offset): New function.
3664         (Output_data_plt_i386::get_plt_entry_size): New function.
3665         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3666         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3667         * incremental.cc: Include target.h.
3668         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3669         parameter.  Adjust all callers.  Find incremental_got_plt section.
3670         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3671         section.
3672         (Output_section_incremental_inputs::set_final_data_size): Calculate
3673         size of incremental_got_plt section.
3674         (Output_section_incremental_inputs::do_write): Write the
3675         incremental_got_plt section.
3676         (Got_plt_view_info): New struct.
3677         (Local_got_offset_visitor): New class.
3678         (Global_got_offset_visitor): New class.
3679         (Global_symbol_visitor_got_plt): New class.
3680         (Output_section_incremental_inputs::write_got_plt): New function.
3681         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3682         Add parameter.  Adjust all callers.
3683         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3684         (Incremental_inputs::got_plt_section): New function.
3685         (Incremental_inputs::got_plt_section_): New data member.
3686         (Incremental_got_plt_reader): New class.
3687         * layout.cc (Layout::create_incremental_info_sections): Add the
3688         incremental_got_plt section.
3689         * object.h (Got_offset_list::get_list): New function.
3690         (Got offset_list::for_all_got_offsets): New function.
3691         (Sized_relobj::local_got_offset_list): New function.
3692         * powerpc.cc (Target_powerpc::got_size): Add const.
3693         (Target_powerpc::got_entry_count): New function.
3694         (Target_powerpc::plt_entry_count): New function.
3695         (Target_powerpc::first_plt_entry_offset): New function.
3696         (Target_powerpc::plt_entry_size): New function.
3697         (Output_data_plt_powerpc::entry_count): New function.
3698         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3699         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3700         * sparc.cc (Target_sparc::got_size): Add const.
3701         (Target_sparc::got_entry_count): New function.
3702         (Target_sparc::plt_entry_count): New function.
3703         (Target_sparc::first_plt_entry_offset): New function.
3704         (Target_sparc::plt_entry_size): New function.
3705         (Output_data_plt_sparc::entry_count): New function.
3706         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3707         (Output_data_plt_sparc::get_plt_entry_size): New function.
3708         * symtab.h (Symbol::got_offset_list): New function.
3709         (Symbol_table::for_all_symbols): New function.
3710         * target.h (Sized_target::got_entry_count): New function.
3711         (Sized_target::plt_entry_count): New function.
3712         (Sized_target::plt_entry_size): New function.
3713         * x86_64.cc (Target_x86_64::got_size): Add const.
3714         (Target_x86_64::got_entry_count): New function.
3715         (Target_x86_64::plt_entry_count): New function.
3716         (Target_x86_64::first_plt_entry_offset): New function.
3717         (Target_x86_64::plt_entry_size): New function.
3718         (Output_data_plt_x86_64::entry_count): New function.
3719         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3720         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3721
3722 2010-08-12  Cary Coutant  <ccoutant@google.com>
3723
3724         * archive.cc: Include incremental.h.
3725         (Archive::Archive): Initialize incremental_info_.
3726         (Archive::include_member): Record archive members in incremental info.
3727         (Add_archive_symbols::run): Record begin and end of an archive in
3728         incremental info.
3729         (Lib_group::include_member): Record objects in incremental info.
3730         * archive.h (Incremental_archive_entry): Forward declaration.
3731         (Archive::set_incremental_info): New member function.
3732         (Archive::incremental_info): New member function.
3733         (Archive::Unused_symbol_iterator): New class.
3734         (Archive::unused_symbols_begin): New member function.
3735         (Archive::unused_symbols_end): New member function.
3736         (Archive::incremental_info_): New data member.
3737         * incremental-dump.cc (find_input_containing_global): New function.
3738         (dump_incremental_inputs): Dump new incremental info sections.
3739         * incremental.cc: Include symtab.h.
3740         (Output_section_incremental_inputs): New class.
3741         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3742         new incremental info sections.
3743         (Sized_incremental_binary::do_check_inputs): Likewise.
3744         (Incremental_inputs::report_archive): Remove.
3745         (Incremental_inputs::report_archive_begin): New function.
3746         (Incremental_inputs::report_archive_end): New function.
3747         (Incremental_inputs::report_object): New function.
3748         (Incremental_inputs::finalize_inputs): Remove.
3749         (Incremental_inputs::report_input_section): New function.
3750         (Incremental_inputs::report_script): Rewrite.
3751         (Incremental_inputs::finalize): Do nothing but finalize string table.
3752         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3753         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3754         (Incremental_inputs::create_data_sections): New function.
3755         (Incremental_inputs::relocs_entsize): New function.
3756         (Output_section_incremental_inputs::set_final_data_size): New function.
3757         (Output_section_incremental_inputs::do_write): New function.
3758         (Output_section_incremental_inputs::write_header): New function.
3759         (Output_section_incremental_inputs::write_input_files): New function.
3760         (Output_section_incremental_inputs::write_info_blocks): New function.
3761         (Output_section_incremental_inputs::write_symtab): New function.
3762         * incremental.h (Incremental_script_entry): Forward declaration.
3763         (Incremental_object_entry): Forward declaration.
3764         (Incremental_archive_entry): Forward declaration.
3765         (Incremental_inputs): Forward declaration.
3766         (Incremental_inputs_header_data): Remove.
3767         (Incremental_inputs_header): Remove.
3768         (Incremental_inputs_header_write): Remove.
3769         (Incremental_inputs_entry_data): Remove.
3770         (Incremental_inputs_entry): Remove.
3771         (Incremental_inputs_entry_write): Remove.
3772         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3773         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3774         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3775         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3776         Likewise.
3777         (Incremental_input_entry): New class.
3778         (Incremental_script_entry): New class.
3779         (Incremental_object_entry): New class.
3780         (Incremental_archive_entry): New class.
3781         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3782         (Incremental_inputs::report_inputs): Remove.
3783         (Incremental_inputs::report_archive): Remove.
3784         (Incremental_inputs::report_archive_begin): New function.
3785         (Incremental_inputs::report_archive_end): New function.
3786         (Incremental_inputs::report_object): Change prototype.
3787         (Incremental_inputs::report_input_section): New function.
3788         (Incremental_inputs::report_script): Change prototype.
3789         (Incremental_inputs::get_reloc_count): New function.
3790         (Incremental_inputs::set_reloc_count): New function.
3791         (Incremental_inputs::create_data_sections): New function.
3792         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3793         (Incremental_inputs::inputs_section): New function.
3794         (Incremental_inputs::symtab_section): New function.
3795         (Incremental_inputs::relocs_section): New function.
3796         (Incremental_inputs::get_stringpool): Add const.
3797         (Incremental_inputs::command_line): Add const.
3798         (Incremental_inputs::inputs): Remove.
3799         (Incremental_inputs::command_line_key): New function.
3800         (Incremental_inputs::input_file_count): New function.
3801         (Incremental_inputs::input_files): New function.
3802         (Incremental_inputs::relocs_entsize): New function.
3803         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3804         (Incremental_inputs::finalize_inputs): Remove.
3805         (Incremental_inputs::Input_info): Remove.
3806         (Incremental_inputs::lock_): Remove.
3807         (Incremental_inputs::inputs_): Change type.
3808         (Incremental_inputs::inputs_map_): Remove.
3809         (Incremental_inputs::current_object_entry_): New data member.
3810         (Incremental_inputs::inputs_section_): New data member.
3811         (Incremental_inputs::symtab_section_): New data member.
3812         (Incremental_inputs::relocs_section_): New data member.
3813         (Incremental_inputs::reloc_count_): New data member.
3814         (Incremental_inputs_reader): New class.
3815         (Incremental_symtab_reader): New class.
3816         (Incremental_relocs_reader): New class.
3817         * layout.cc (Layout::finalize): Move finalization of incremental info
3818         and creation of incremental info sections to follow finalization of
3819         symbol table.  Set offsets for postprocessing sections.
3820         (Layout::create_incremental_info_sections): Call
3821         Incremental_inputs::create_data_sections.  Add incremental symtab
3822         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3823         sections to layout after input sections.
3824         * layout.h (struct Timespec): Forward declaration.
3825         (Layout::incremental_inputs): Add const.
3826         (Layout::create_incremental_info_sections): Add parameter.
3827         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3828         * object.cc: Include incremental.h.
3829         (Relobj::finalize_incremental_relocs): New function.
3830         (Sized_relobj::do_layout): Record input sections in incremental info.
3831         * object.h (Object::output_section): New function.
3832         (Object::output_section_offset): Moved from Relobj.
3833         (Object::get_incremental_reloc_base): New function.
3834         (Object::get_incremental_reloc_count): New function.
3835         (Object::do_output_section): New function.
3836         (Object::do_output_section_offset): Moved from Relobj.
3837         (Object::do_get_incremental_reloc_base): New function.
3838         (Object::do_get_incremental_reloc_count): New function.
3839         (Object::Object): Initialize new data members.
3840         (Relobj::output_section): Renamed do_output_section and moved to
3841         protected.
3842         (Relobj::output_section_offset): Moved to Object.
3843         (Relobj::do_get_incremental_reloc_base): New function.
3844         (Relobj::do_get_incremental_reloc_count): New function.
3845         (Relobj::allocate_incremental_reloc_counts): New function.
3846         (Relobj::count_incremental_reloc): New function.
3847         (Relobj::finalize_incremental_relocs): New function.
3848         (Relobj::next_incremental_reloc_index): New function.
3849         (Relobj::reloc_counts_): New data member.
3850         (Relobj::reloc_bases_): New data member.
3851         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3852         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3853         (Sized_relobj::incremental_relocs_scan): New function.
3854         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3855         (Sized_relobj::incremental_relocs_write): New function.
3856         (Sized_relobj::incremental_relocs_write_reltype): New function.
3857         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3858         incremental link.
3859         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3860         archives and object files elsewhere.
3861         (Add_symbols::run): Report object files here.
3862         (Finish_group::run): Report end of archive at end of group.
3863         * reloc.cc: Include layout.h, incremental.h.
3864         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3865         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3866         (Sized_relobj::incremental_relocs_scan): New function.
3867         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3868         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3869         (Sized_relobj::incremental_relocs_write): New function.
3870         (Sized_relobj::incremental_relocs_write_reltype): New function.
3871         * script.cc (read_input_script): Rewrite test for incremental link.
3872         Change call to Incremental_inputs::report_script.
3873         * symtab.h (Symbol_table::first_global_index): New function.
3874         (Symbol_table::output_count): New function.
3875
3876 2010-08-12  Doug Kwan  <dougkwan@google.com>
3877
3878         * arm.cc (Target_arm::merge_object_attributes): Check command line
3879         options --no-wchar-size-warning and --no-enum-size-warning.
3880         * options.h (General_options): Add ld-compatible options
3881         --no-enum-size-warning and --no-wchar-size-warning.
3882
3883 2010-08-04  Ian Lance Taylor  <iant@google.com>
3884
3885         * x86_64.cc (Target_x86_64::Scan::local): Use
3886         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3887         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3888         (Target_x86_64::Scan::global): Likewise.
3889         (Target_x86_64::Relocate::relocate): Likewise.
3890         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3891         Likewise.
3892
3893 2010-08-03  Cary Coutant  <ccoutant@google.com>
3894
3895         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3896         to reserve space in merged_strings vector. Keep total input size
3897         for stats.
3898         (Output_merge_string::do_print_merge_stats): Print total input size.
3899         * merge.h (Output_merge_string): Add input_size_ field.
3900         * stringpool.cc (Stringpool_template::string_length): Move
3901         implementations out of Stringpool_template class and place in
3902         stringpool.h.
3903         * stringpool.h (string_length): Move out of Stringpool_template.
3904
3905 2010-08-03  Ian Lance Taylor  <iant@google.com>
3906
3907         PR 11712
3908         * layout.cc (relaxation_loop_body): If address of load segment is
3909         set, adjust address to include headers if possible.
3910
3911 2010-08-03  Ian Lance Taylor  <iant@google.com>
3912
3913         * version.cc (version_string): Bump to 1.10.
3914
3915 2010-08-03  Ian Lance Taylor  <iant@google.com>
3916
3917         PR 11805
3918         * layout.h (enum Output_section_order): Define.
3919         (class Layout): Update declarations.
3920         * layout.cc (Layout::get_output_section): Add order parameter.
3921         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3922         is_first_non_relro parameters.  Change all callers.
3923         (Layout::choose_output_section): Likewise.
3924         (Layout::add_output_section_data): Likewise.
3925         (Layout::make_output_section): Likewise.  Set order.
3926         (Layout::default_section_order): New function.
3927         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3928         * output.cc (Output_section::Output_section): Initialize order_.
3929         Don't initialize deleted fields.
3930         (Output_segment::Output_segment): Don't initialize deleted
3931         fields.
3932         (Output_segment::add_output_section_to_load): New function
3933         replacing add_output_section.  Change all callers to call this or
3934         add_output_section_to_nonload.
3935         (Output_segment::add_output_section_to_nonload): New function.
3936         (Output_segment::remove_output_section): Rewrite.
3937         (Output_segment::add_initial_output_data): Likewise.
3938         (Output_segment::has_any_data_sections): Likewise.
3939         (Output_segment::is_first_section_relro): Likewise.
3940         (Output_segment::maximum_alignment): Likewise.
3941         (Output_segment::has_dynamic_reloc): New function replacing
3942         dynamic_reloc_count.  Change all callers.
3943         (Output_segment::has_dynamic_reloc_list): New function replacing
3944         dynamic_reloc_count_list.  Change all callers.
3945         (Output_segment::set_section_addresses): Rewrite.
3946         (Output_segment::set_offset): Rewrite.
3947         (Output_segment::find_first_and_last_list): Remove.
3948         (Output_segment::set_tls_offsets): Rewrite.
3949         (Output_segment::first_section_load_address): Likewise.
3950         (Output_segment::output_section_count): Likewise.
3951         (Output_segment::section_with_lowest_load_address): Likewise.
3952         (Output_segment::write_section_headers): Likewise.
3953         (Output_segment::print_sections_to_map): Likewise.
3954         * output.h (class Output_data): Remove dynamic_reloc_count_
3955         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3956         (Output_data::add_dynamic_reloc): Rewrite.
3957         (Output_data::has_dynamic_reloc): New function.
3958         (Output_data::dynamic_reloc_count): Remove.
3959         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3960         is_last_relro_, is_first_non_relro_, is_interp_,
3961         is_dynamic_linker_section_ fields.  Add order and set_order
3962         functions.  Remove is_relro_local, set_is_relro_local,
3963         is_last_relro, set_is_last_relro, is_first_non_relro,
3964         set_is_first_non_relro functions, is_interp, set_is_interp,
3965         is_dynamic_linker_section, and set_is_dynamic_linker_section
3966         functions.
3967         (class Output_segment): Change Output_data_list from std::list to
3968         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3969         output_bss_ fields.  Update declarations.
3970
3971 2010-08-02  Ian Lance Taylor  <iant@google.com>
3972
3973         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3974         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3975         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3976
3977 2010-08-02  Ian Lance Taylor  <iant@google.com>
3978
3979         PR 11855
3980         * script.cc (Script_options::Script_options): Initialize
3981         symbol_definitions_ and symbol_references_.
3982         (Script_options::add_symbol_assignment): Update
3983         symbol_definitions_ and symbol_references_.
3984         (Script_options::add_symbol_reference): New function.
3985         (script_symbol): New function.
3986         * script.h (class Script_options): Add symbol_definitions_ and
3987         symbol_references_ fields.
3988         (Script_options::referenced_const_iterator): New type.
3989         (Script_options::referenced_begin): New function.
3990         (Script_options::referenced_end): New function.
3991         (Script_options::is_referenced): New function.
3992         (Script_options::any_unreferenced): New function.
3993         * script-c.h (script_symbol): Declare.
3994         * yyscript.y (exp): Call script_symbol.
3995         * symtab.cc: Include "script.h".
3996         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3997         Change all callers.  Check symbols referenced by scripts.
3998         (Symbol_table::add_undefined_symbols_from_command_line): Add
3999         layout parameter.  Change all callers.
4000         (Symbol_table::do_add_undefined_symbols_from_command_line):
4001         Likewise.  Break out loop body.  Check symbols referenced by
4002         scripts.
4003         (Symbol_table::add_undefined_symbol_from_command_line): New
4004         function broken out of
4005         do_add_undefined_symbols_from_command_line.
4006         * symtab.h (class Symbol_table): Update declarations.
4007         * archive.cc: Include "layout.h".
4008         (Archive::should_include_member): Add layout parameter.  Change
4009         all callers.  Check for symbol mentioned in expression.
4010         * archive.h (class Archive): Update declaration.
4011         * object.cc (Sized_relobj::do_should_include_member): Add layout
4012         parameter.
4013         * object.h (Object::should_include_member): Add layout parameter.
4014         Change all callers.
4015         (Object::do_should_include_member): Add layout parameter.
4016         (class Sized_relobj): Update declaration.
4017         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4018         parameter.
4019         * dynobj.h (class Sized_dynobj): Update declaration.
4020         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4021         layout parameter.
4022         * plugin.h (class Sized_pluginobj): Update declaration.
4023
4024 2010-08-02  Ian Lance Taylor  <iant@google.com>
4025
4026         PR 11866
4027         * output.cc (Output_segment::set_offset): Search for the first and
4028         last sections rather than assuming that the list is in order.
4029         (Output_segment::find_first_and_last_list): New function.
4030         * output.h (class Output_segment): Update declarations.
4031         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4032         (relro_strip_test_SOURCES): New variable.
4033         (relro_strip_test_DEPENDENCIES): New variable.
4034         (relro_strip_test_LDFLAGS): New variable.
4035         (relro_strip_test_LDADD): New variable.
4036         (relro_strip_test.so): New target.
4037
4038 2010-08-02  Ian Lance Taylor  <iant@google.com>
4039
4040         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4041         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4042         (Target_i386::got_tlsdesc_section): New function.
4043         (Target_i386::got_section): Create space for GOT entries for
4044         TLSDESC relocations.
4045         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4046         R_386_TLS_GOTDESC.
4047         (Target_i386::Scan::global): Likewise.
4048         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4049         using TLSDESC GOT.
4050         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4051         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4052         (Target_x86_64::got_tlsdesc_section): New function.
4053         (Target_x86_64::got_section): Create space for GOT entries for
4054         TLSDESC relocations.
4055         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4056         R_386_TLS_GOTDESC.
4057         (Target_x86_64::Scan::global): Likewise.
4058         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4059         using TLSDESC GOT.
4060
4061 2010-08-02  Ian Lance Taylor  <iant@google.com>
4062
4063         * testsuite/final_layout.sh: Use dc to convert from hex to
4064         decimal.
4065
4066 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4067
4068         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4069         paramter to the call to gold::gc_process_relocs.
4070         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4071         paramter to the call to gold::gc_process_relocs.
4072         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4073         parameter to the call to gold::gc_process_relocs.
4074         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4075         template parameter to the call to gold::gc_process_relocs.
4076         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4077         paramter to the call to gold::gc_process_relocs.
4078         * gc.h (get_embedded_addend_size): New function.
4079         (gc_process_relocs): Save the size of the reloc for use by ICF.
4080         * icf.cc (get_section_contents): Get the addend from the text section
4081         for SHT_REL relocation sections.
4082         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4083         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4084         * int_encoding.h (read_from_pointer): New overloaded function.
4085         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4086         * testsuite/icf_sht_rel_addend_test.sh: New file.
4087         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4088         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4089
4090 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4091
4092         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4093         * Makefile.in: Regenerate.
4094         * testsuite/Makefile.in: Regenerate.
4095
4096 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4097
4098         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4099         * gold/testsuite/debug_msg.cc: Likewise.
4100         * gold/testsuite/odr_violation1.cc
4101         * gold/testsuite/odr_violation2.cc
4102
4103 2010-07-21  Cary Coutant  <ccoutant@google.com>
4104
4105         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4106         string, and length fields.
4107         (Output_merge_string::Merged_strings_list): New type.
4108         (Output_merge_string::Merged_strings_lists): New typedef.
4109         (Output_merge_string): Replace merged_strings_ with
4110         merged_strings_lists_.
4111         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4112         Merged_strings_list per input object and section.  Don't store pointer
4113         to the string.  Don't store length with each merged string entry.
4114         (Output_merge_string::finalize_merged_data): Loop over list of merged
4115         strings lists.  Recompute length of each merged string.
4116
4117 2010-07-15  Cary Coutant  <ccoutant@google.com>
4118
4119         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4120         here.
4121
4122 2010-07-14  Ian Lance Taylor  <iant@google.com>
4123
4124         * descriptors.cc (Descriptors::open): Report correct name in error
4125         message.
4126
4127 2010-07-13  Doug Kwan  <dougkwan@google.com>
4128
4129         * arm.cc (Arm_input_section::Arm_input_section): For a
4130         SHT_ARM_EXIDX section, always keeps the input sections.
4131         (Arm_input_section::set_exidx_section_link): New method.
4132         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4133         has_errors_ to false.
4134         (Arm_exidx_input_section::has_errors,
4135         Arm_exidx_input_section::set_has_errors): New methods.
4136         (Arm_exidx_input_section::has_errors_): New data member.
4137         (Arm_relobj::get_exidx_shndx_list): New method.
4138         (Arm_output_section::append_text_sections_to_list): Do not skip
4139         section without SHF_EXECINSTR.
4140         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4141         errors.
4142         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4143         section header.  Make error messages more verbose.  Check for
4144         a non-executable section linked to an EXIDX section.
4145         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4146         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4147         check that there is no deferred EXIDX section if we exit early.
4148         Instead of not making an EXIDX section in case of an error, make one
4149         and set the has_errors flag of it.
4150         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4151         in a relocatable link.
4152         (Target_arm::do_relax): Look for the EXIDX output section instead of
4153         assuming that it is called .ARM.exidx.
4154         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4155         section list.  Do not check for SHF_EXECINSTR section flags but
4156         skip any input section with errors.
4157         * output.cc (Output_section::Output_section): Initialize
4158         always_keeps_input_sections_ to false.
4159         (Output_section::add_input_section): Check for
4160         always_keeps_input_sections_.
4161         *  output.h (Output_section::always_keeps_input_sections,
4162         Output_section::set_always_keeps_input_sections): New methods.
4163         (Output_section::always_keeps_input_sections): New data member.
4164
4165 2010-07-13  Rafael Espindola  <espindola@google.com>
4166
4167         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4168         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4169
4170 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4171             Ian Lance Taylor  <iant@google.com>
4172
4173         * output.h (Output_section_lookup_maps::add_merge_section):
4174         Correct check of whether value was inserted.
4175         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4176         (Output_section_lookup_maps::add_relaxed_input_section):
4177         Likewise.
4178         * arm.cc (Target_arm::got_section): Remove used local os.
4179         * i386.cc (Target_i386::got_section): Likewise.
4180         * x86_64.cc (Target_x86_64::got_section): Likewise.
4181         * sparc.cc (Target_sparc::got_section): Likewise.
4182         (Target_sparc::relocate): Remove unused local have_got_offset.
4183         * powerpc.cc (Target_powerpc::relocate): Likewise.
4184
4185 2010-07-13  Ian Lance Taylor  <iant@google.com>
4186
4187         * compressed_output.cc (zlib_decompress): Fix signature in
4188         !HAVE_ZLIB_H case.
4189
4190         * archive.cc (Archive::include_member): Unlock an external member
4191         of a thin archive.  Don't bother to delete an object we know is
4192         NULL.
4193
4194 2010-07-12  Cary Coutant  <ccoutant@google.com>
4195
4196         * compressed_output.cc (zlib_decompress): New function.
4197         (get_uncompressed_size): New function.
4198         (decompress_input_section): New function.
4199         * compressed_output.h (get_uncompressed_size): New function.
4200         (decompress_input_section): New function.
4201         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4202         Handle compressed debug sections.
4203         * layout.cc (is_compressed_debug_section): New function.
4204         (Layout::output_section_name): Map compressed section names to
4205         canonical names.
4206         * layout.h (is_compressed_debug_section): New function.
4207         (is_debug_info_section): Recognize compressed debug sections.
4208         * merge.cc: Include compressed_output.h.
4209         (Output_merge_data::do_add_input_section): Handle compressed
4210         debug sections.
4211         (Output_merge_string::do_add_input_section): Handle compressed
4212         debug sections.
4213         * object.cc: Include compressed_output.h.
4214         (Sized_relobj::Sized_relobj): Initialize new data members.
4215         (build_compressed_section_map): New function.
4216         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4217         * object.h (Object::section_is_compressed): New method.
4218         (Object::do_section_is_compressed): New method.
4219         (Sized_relobj::Compressed_section_map): New type.
4220         (Sized_relobj::do_section_is_compressed): New method.
4221         (Sized_relobj::compressed_sections_): New data member.
4222         * output.cc (Output_section::add_input_section): Handle compressed
4223         debug sections.
4224         * reloc.cc: Include compressed_output.h.
4225         (Sized_relobj::write_sections): Handle compressed debug sections.
4226
4227 2010-07-08  Cary Coutant  <ccoutant@google.com>
4228
4229         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4230         weak when resolving to a dynamic def.
4231         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4232         for weak undef/dynamic def cases. Adjust callers.
4233         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4234         undef_binding_weak_.
4235         (Symbol_table::sized_write_globals): Adjust symbol binding.
4236         (Symbol_table::sized_write_symbol): Add binding parameter.
4237         * symtab.h (Symbol::set_undef_binding): New method.
4238         (Symbol::is_undef_binding_weak): New method.
4239         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4240         (Symbol_table::should_override): Add new parameter.
4241         (Symbol_table::sized_write_symbol): Add new parameter.
4242
4243         * testsuite/weak_undef_file1.cc: Add new test case.
4244         * testsuite/weak_undef_file2.cc: Fix header comment.
4245         * testsuite/weak_undef_test.cc: Add new test case.
4246
4247 2010-06-29  Doug Kwan  <dougkwan@google.com>
4248
4249         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4250         Initialize USE_SYMBOL_.
4251         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4252         definition.
4253         (Arm_reloc_property::uses_symbol_): New data member declaration.
4254         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4255         uses symbol value and symbol is undefined but not weakly undefined.
4256
4257 2010-06-28  Rafael Espindola  <espindola@google.com>
4258
4259         * plugin.cc (Plugin::load): Use dlerror.
4260
4261 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4262
4263         * symtab.cc (detect_odr_violations): When reporting an ODR
4264         violation, report an object where the symbol is defined.
4265
4266 2010-06-25  Doug Kwan  <dougkwan@google.com>
4267
4268         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4269         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4270         definition.
4271         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4272         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4273         target hook to detect function points.
4274         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4275         * icf.h (Icf::check_section_for_function_pointers): Change type of
4276         parameter SECTION_NAME to const reference to std::string.  Use
4277         target hook to determine if section may have unsafe pointers.
4278         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4279         method definition.
4280
4281 2010-06-21  Rafael Espindola  <espindola@google.com>
4282
4283         * fileread.cc (Input_file::find_fie): New
4284         (Input_file::open): Use Input_file::find_fie.
4285         * fileread.h (Input_file::find_fie): New
4286         * plugin.cc (set_extra_library_path): New.
4287         (Plugin::load): Add set_extra_library_path to the transfer vector.
4288         (Plugin_manager::set_extra_library_path): New.
4289         (Plugin_manager::add_input_file): Use the extra search path if set.
4290         (set_extra_library_path(): New.
4291         * plugin.h (Plugin_manager): Add set_extra_library_path and
4292         extra_search_path_.
4293
4294 2010-06-19  Cary Coutant  <ccoutant@google.com>
4295
4296         * layout.cc (gdb_sections): Add .debug_types.
4297         (lines_only_debug_sections): Likewise.
4298
4299 2010-06-18  Rafael Espindola  <espindola@google.com>
4300
4301         * plugin.cc (add_input_file,add_input_library)
4302         (Plugin_manager::add_input_file): Make filename arguments const.
4303         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4304         const.
4305
4306 2010-06-16  Doug Kwan  <dougkwan@google.com>
4307
4308         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4309         .ARM.attributes section if we have not merged any input
4310         attributes sections.
4311
4312 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4313
4314         * arm.cc: Allow combining objects with no EABI version
4315         information.
4316
4317 2010-06-15  Rafael Espindola  <espindola@google.com>
4318
4319         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4320
4321 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4322
4323         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4324         (struct iovec): Correct !HAVE_READV definition.
4325
4326 2010-06-10  Cary Coutant  <ccoutant@google.com>
4327
4328         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4329         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4330         reloc sections.
4331         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4332
4333         PR 11683
4334         * symtab.h (Symbol::is_placeholder): New member function.
4335         * target-reloc.h (relocate_section): Check for placeholder symbols.
4336
4337         * testsuite/Makefile.am (plugin_test_8): New test.
4338         (plugin_test_9): New test.
4339         * testsuite/Makefile.in: Regenerate.
4340
4341 2010-06-09  Nick Clifton  <nickc@redhat.com>
4342
4343         * yyscript.y (input_list_element): Allow strings prefixed with
4344         the '-' character.  Treat these as libraries.
4345         * script.cc (script_add_library): New function.  Adds a library
4346         specified by "-l<name>" found in an input script.
4347         * script-c.h: Add prototype for script_add_library.
4348
4349 2010-06-07  Doug Kwan  <dougkwan@google.com>
4350
4351         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4352         Restrict stub-group size to be within long conditional branch
4353         range when working around cortex-A8 erratum.
4354
4355 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4356
4357         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4358         #ifdef typo.
4359
4360 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4361
4362         PR gold/11658
4363         * output.cc
4364         (Output_section::Input_section_sort_entry::compare_section_ordering):
4365         Change to return non-zero correctly.
4366         (Output_section::Input_section_sort_section_order_index_compare
4367         ::operator()): Change to fix ambiguity in comparisons.
4368
4369 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4370
4371         * gold.h (is_wildcard_string): New function.
4372         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4373         (Layout::layout_eh_frame): Ditto.
4374         (Layout::find_section_order_index): New method.
4375         (Layout::read_layout_from_file): New method.
4376         * layout.h (Layout::find_section_order_index): New method.
4377         (Layout::read_layout_from_file): New method.
4378         (Layout::input_section_position_): New private member.
4379         (Layout::input_section_glob_): New private member.
4380         * main.cc (main): Call read_layout_from_file here.
4381         * options.h (--section-ordering-file): New option.
4382         * output.cc (Output_section::input_section_order_specified_): New
4383         member.
4384         (Output_section::Output_section): Initialize new member.
4385         (Output_section::add_input_section): Add new parameter.
4386         Keep input sections when --section-ordering-file is used.
4387         (Output_section::set_final_data_size): Sort input sections when
4388         section ordering file is specified.
4389         (Output_section::Input_section_sort_entry): Add new parameter.
4390         Check sorting type.
4391         (Output_section::Input_section_sort_entry::compare_section_ordering):
4392         New method.
4393         (Output_section::Input_section_sort_compare::operator()): Change to
4394         consider section_order_index.
4395         (Output_section::Input_section_sort_init_fini_compare::operator()):
4396         Change to consider section_order_index.
4397         (Output_section::Input_section_sort_section_order_index_compare
4398         ::operator()): New method.
4399         (Output_section::sort_attached_input_sections): Change to sort
4400         according to section order when specified.
4401         (Output_section::add_input_section<32, true>): Add new parameter.
4402         (Output_section::add_input_section<64, true>): Add new parameter.
4403         (Output_section::add_input_section<32, false>): Add new parameter.
4404         (Output_section::add_input_section<64, false>): Add new parameter.
4405         * output.h (Output_section::add_input_section): Add new parameter.
4406         (Output_section::input_section_order_specified): New
4407         method.
4408         (Output_section::set_input_section_order_specified): New method.
4409         (Input_section::Input_section): Initialize section_order_index_.
4410         (Input_section::section_order_index): New method.
4411         (Input_section::set_section_order_index): New method.
4412         (Input_section::section_order_index_): New member.
4413         (Input_section::Input_section_sort_section_order_index_compare): New
4414         struct.
4415         (Output_section::input_section_order_specified_): New member.
4416         * script-sections.cc (is_wildcard_string): Delete and move modified
4417         method to gold.h.
4418         (Output_section_element_input::Output_section_element_input): Modify
4419         call to is_wildcard_string.
4420         (Output_section_element_input::Input_section_pattern
4421         ::Input_section_pattern): Ditto.
4422         (Output_section_element_input::Output_section_element_input): Ditto.
4423         * testsuite/Makefile.am (final_layout): New test case.
4424         * testsuite/Makefile.in: Regenerate.
4425         * testsuite/final_layout.cc: New file.
4426         * testsuite/final_layout.sh: New file.
4427
4428 2010-06-01  Rafael Espindola  <espindola@google.com>
4429
4430         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4431
4432 2010-06-01  Rafael Espindola  <espindola@google.com>
4433
4434         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4435         visibility of symbols.
4436
4437 2010-05-27  Doug Kwan  <dougkwan@google.com>
4438
4439         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4440         from start of output section instead of address for a local symbol
4441         in a merged or relaxed section when doing a relocatable link.
4442
4443 2010-05-26  Rafael Espindola  <espindola@google.com>
4444
4445        PR 11604
4446         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4447         adding sections the garbage collector removed.
4448         * gold/testsuite/Makefile.am: Add test.
4449         * gold/testsuite/Makefile.in: Regenerate.
4450         * gold/testsuite/plugin_test_7.sh: New.
4451         * gold/testsuite/plugin_test_7_1.c: New.
4452         * gold/testsuite/plugin_test_7_2.c: New.
4453
4454 2010-05-26  Rafael Espindola  <espindola@google.com>
4455
4456         * script-sections.cc (Output_section_definition::set_section_addresses):
4457         Check for --section-start.
4458
4459 2010-05-26  Doug Kwan  <dougkwan@google.com>
4460
4461         * arm.cc (Arm_scan_relocatable_relocs): New class.
4462         (Target_arm::relocate_special_relocatable): New method.
4463         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4464         (Arm_relocate_functions::thumb_branch_common): Same.
4465         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4466         instead of Default_scan_relocatable_relocs.
4467         * target-reloc.h (relocate_for_relocatable): Let target handle
4468         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4469         * target.h (Sized_target::relocate_special_relocatable): New method.
4470
4471 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4472
4473         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4474
4475 2010-05-23  Doug Kwan  <dougkwan@google.com>
4476
4477         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4478         instead of a cast.
4479         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4480         with a direct branch, not a conditional branch, to a stub.
4481         * merge.cc (Output_merge_base::record_input_section): New method
4482         defintion.
4483         (Output_merge_data::do_add_input_section): Record input section if
4484         keeps-input-sections flag is set.
4485         (Output_merge_string::do_add_input_section): Ditto.
4486         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4487         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4488         INPUT_SECTIONS_.
4489         (Output_merge_base::keeps_input_sections,
4490         Output_merge_base::set_keeps_input_sections,
4491         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4492         method definitions.
4493         (Output_merge_base::Input_sections): New type declaration.
4494         (Output_merge_base::input_sections_begin,
4495         Output_merge_base::input_sections_end,
4496         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4497         (Output_merge_base::bool keeps_input_sections_,
4498         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4499         Output_merge_base::input_sections_): New data members.
4500         (Output_merge_data::do_set_keeps_input_sections): New method
4501         defintion.
4502         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4503         * output.cc (Output_section::Input_section::relobj): Move method
4504         defintion from class declaration to here and handle merge sections.
4505         (Output_section::Input_section::shndx): Ditto.
4506         (Output_section::Output_section): Remove initializations of removed
4507         data members and initialize new data member LOOKUP_MAPS_.
4508         (Output_section::add_input_section): Set keeps-input-sections flag
4509         for a newly created merge output section as appropriate.  Adjust code
4510         to use Output_section_lookup_maps class.
4511         (Output_section::add_relaxed_input_section): Adjst code for lookup
4512         maps code refactoring.
4513         (Output_section::add_merge_input_section): Add a new parameter
4514         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4515         class.  If adding input section to a newly created merge output
4516         section fails, remove the new merge section.
4517         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4518         Adjust code for use of the Output_section_lookup_maps class.
4519         (Output_section::find_merge_section): Ditto.
4520         (Output_section::build_lookup_maps): New method defintion.
4521         (Output_section::find_relaxed_input_section): Adjust code to use
4522         Output_section_lookup_maps class.
4523         (Output_section::get_input_sections): Export merge sections.  Adjust
4524         code to use Output_section_lookup_maps class.
4525         (Output_section:::add_script_input_section): Adjust code to use
4526         Output_section_lookup_maps class.  Update lookup maps for merge
4527         sections also.
4528         (Output_section::discard_states): Use Output_section_lookup_maps.
4529         (Output_section::restore_states): Same.
4530         * output.h (Merge_section_properties): Move class defintion out of
4531         Output_section.
4532         (Output_section_lookup_maps): New class.
4533         (Output_section::Input_section::is_merge_section): New method
4534         defintion.
4535         (Output_section::Input_section::relobj): Move defintion out of class
4536         defintion.  Declare method only.
4537         (Output_section::Input_section::shndx): Ditto.
4538         (Output_section::Input_section::output_merge_base): New method defintion.
4539         (Output_section::Input_section::u2_.pomb): New union field.
4540         (Output_section::Merge_section_by_properties_map,
4541         Output_section::Output_section_data_by_input_section_map,
4542         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4543         Remove types.
4544         (Output_section::add_merge_input_section): Add new parameter
4545         KEEPS_INPUT_SECTIONS.
4546         (Output_section::build_lookup_maps): New method declaration.
4547         (Output_section::merge_section_map_,
4548         Output_section::merge_section_by_properties_map_,
4549         Output_section::relaxed_input_section_map_,
4550         Output_section::is_relaxed_input_section_map_valid_): Remove data
4551         members.
4552         (Output_section::lookup_maps_): New data member.
4553
4554 2010-05-21  Doug Kwan  <dougkwan@google.com>
4555
4556         PR gold/11619
4557         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4558         avoid a compilation error.
4559
4560 2010-05-19  Rafael Espindola  <espindola@google.com>
4561
4562         * script-sections.cc (Output_section_definition::allocate_to_segment):
4563         Update the phdrs_list even when the output section is NULL.
4564         * testsuite/Makefile.am: Add test.
4565         * testsuite/Makefile.in: Regenerate.
4566         * testsuite/script_test_9.cc: New.
4567         * testsuite/script_test_9.sh: New.
4568         * testsuite/script_test_9.t: New.
4569
4570 2010-05-19  Doug Kwan  <dougkwan@google.com>
4571
4572         * arm.cc (Arm_input_section::original_size): New method.
4573         (Arm_input_section::do_addralign): Add a cast.
4574         (Arm_input_section::do_output_offset): Remove static cast.
4575         (Arm_input_section::original_addralign,
4576          Arm_input_section::original_size_): Change type to uint32_t.
4577         (Arm_input_section::init): Add safe casts for section alignment
4578         and size.
4579         (Arm_input_section::set_final_data_size): Do not set address and
4580         offset of stub table.
4581         (Arm_output_section::fix_exidx_coverage): Change use of of
4582         Output_section::Simple_input_section to that of
4583         Output_section::Input_section.
4584         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4585         except for the first pass.
4586         * output.cc (Output_section::get_input_sections): Change type of
4587         input_sections to std::list<Input_section>.
4588         (Output_section::add_script_input_section): Rename from
4589         Output_section::add_simple_input_section.  Change type of SIS
4590         parameter from Simple_input_section to Input_section.
4591         * output.h (Output_section::Simple_input_section): Remove class.
4592         (Output_section::Input_section): Change class visibility to public.
4593         (Output_section::Input_section::addralign): Use stored alignments
4594         for special input sections if set.
4595         (Output_section::Input_section::set_addralign): New method.
4596         (Output_section::get_input_sections): Change parameter type from
4597         list of Simple_input_section to list of Input_section.
4598         (Output_section::add_script_input_section): Rename from
4599         Output_section::add_simple_input_section. Change first parameter's
4600         type from Simple_input_section to Input_section and remove the
4601         second and third parameters.
4602         * script-sections.cc (Input_section::Input_section_list): Change
4603         type to list of Output_section::Input_section/
4604         (Input_section_info::Input_section_info): Change parameter type of
4605         INPUT_SECTION to Output_section::Input_section.
4606         (Input_section_info::input_section): Change return type.
4607         (Input_section_info::input_section_): Change type to
4608         Output_section::Input_section.
4609         (Output_section_element_input::set_section_addresses): Adjust code
4610         to use Output_section::Input_section instead of
4611         Output_section::Simple_input_section.  Adjust code for renaming
4612         of Output_section::add_simple_input_section.
4613         (Orphan_output_section::set_section_addresses): Ditto.
4614
4615 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4616
4617         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4618         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4619
4620 2010-05-18  Rafael Espindola  <espindola@google.com>
4621
4622         * options.cc (General_options::finalize): Handle -nostdlib.
4623         * options.h (nostdlib): New option.
4624         * script.cc (script_add_search_dir): Handle -nostdlib.
4625
4626 2010-05-12  Doug Kwan  <dougkwan@google.com>
4627
4628         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4629         attributes section only if there no attributes section after merging.
4630         (Target_arm::merge_object_attributes): Move value of
4631         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4632         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4633         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4634         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4635         and arm_attr_merge_7.stdout.
4636         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4637         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4638         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4639         arm_attr_merge_7b.o): New rules.
4640         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4641         arm_attr_merge_7
4642         * testsuite/Makefile.in: Regenerate.
4643         * testsuite/arm_attr_merge.sh: New file.
4644         * testsuite/arm_attr_merge_[67][ab].s: Same.
4645
4646 2010-05-05  Nick Clifton  <nickc@redhat.com>
4647
4648         * po/es.po: Updated Spanish translation.
4649
4650 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4651
4652         * Makefile.am (install-exec-local): Properly install gold as
4653         default cross linker.
4654         * Makefile.in: Regenerated.
4655
4656 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4657             Nick Clifton  <nickc@redhat.com>
4658
4659         * configure.ac (install_as_default): Define and set to false
4660         unless --enable-gold or --enable-gold=both/gold has been
4661         specified.
4662         * configure: Regenerate.
4663
4664         * Makefile.am (install-exec-local): Install the executable as
4665         'ld.gold'.  If install_as_default is true then also install it as
4666         'ld'.
4667         * Makefile.in: Regenerated.
4668
4669 2010-04-24  Ian Lance Taylor  <iant@google.com>
4670
4671         * layout.cc (Layout::layout_reloc): In relocatable link don't
4672         combine reloc sections for grouped sections.
4673
4674 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4675
4676         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4677         sections that are not ordinary to icf.
4678         * icf.cc (get_section_contents): Handle relocation pointing to section
4679         with no object or shndx information.
4680         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4681         * testsuite/Makefile.in: Regenerate.
4682         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4683         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4684
4685 2010-04-22  Ian Lance Taylor  <iant@google.com>
4686
4687         * expression.cc (Expression::Expression_eval_info): Add
4688         result_alignment_pointer field.
4689         (Expression::eval_with_dot): Add result_alignment_pointer
4690         parameter.  Change all callers.
4691         (Expression::eval_maybe_dot): Likewise.
4692         (class Binary_expression): Add alignment_pointer parameter to
4693         left_value and right_value.  Change all callers.
4694         (BINARY_EXPRESSION): Set result alignment.
4695         (class Trinary_expression): Add alignment_pointer parameter to
4696         arg2_value and arg3_value.  Change all callers.
4697         (Trinary_cond::value): Set result alignment.
4698         (Max_expression::value, Min_expression::value): Likewise.
4699         (Align_expression::value): Likewise.
4700         * script-sections.cc (class Sections_element): Add dot_alignment
4701         parameter to set_section_addresses virtual function.  Update
4702         instantiations.
4703         (class Output_section_element): Likewise.
4704         (Script_sections::create_segments): Add dot_alignment parameter.
4705         Change all callers.
4706         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4707         (Script_sections::set_phdrs_clause_addresses): Likewise.
4708         * script-sections.h: Update declarations.
4709         * script.h: Update declarations.
4710         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4711         min_p_align.
4712         * testsuite/script_test_3.t: Set large alignment.
4713         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4714         segment has expected alignment.
4715
4716 2010-04-22  Nick Clifton  <nickc@redhat.com>
4717
4718         * po/gold.pot: Updated by the Translation project.
4719         * po/vi.po: Updated Vietnamese translation.
4720
4721 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4722
4723         * testsuite/Makefile.am (check_PROGRAMS): Add
4724         icf_virtual_function_folding_test.
4725         * testsuite/Makefile.in: Regenerated.
4726
4727 2010-04-15  Andrew Haley  <aph@redhat.com>
4728
4729         * options.h (merge_exidx_entries): New option.
4730         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4731         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4732         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4733         (Target_arm::merge_exidx_entries): New function.
4734         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4735         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4736         to Arm_exidx_fixup constructor.
4737         Add new arg, merge_exidx_entries.
4738         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4739         Arm_output_section::fix_exidx_coverage.
4740
4741 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4742
4743         * icf.cc (get_section_contents): Check for preemptible functions.
4744         Ignore addend when appropriate.
4745         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4746         section folded.
4747         (add_from_relobj): Check for section folded.
4748         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4749         * symtab.h (should_add_dynsym_entry): Add new parameter.
4750         * target-reloc.h (scan_relocs): Check for section folded.
4751         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4752         Check reloc types for function pointers in shared objects.
4753         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4754         case.
4755         (icf_preemptible_functions_test): New test case.
4756         (icf_string_merge_test): New test case.
4757         * testsuite.Makefile.in: Regenerate.
4758         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4759         bar_glob.  Refactor code.
4760         * testsuite/icf_preemptible_functions_test.cc: New file.
4761         * testsuite/icf_preemptible_functions_test.sh: New file.
4762         * testsuite/icf_string_merge_test.cc: New file.
4763         * testsuite/icf_string_merge_test.sh: New file.
4764         * testsuite/icf_virtual_function_folding_test.cc: New file.
4765         * testsuite/icf_virtual_function_folding_test.sh: New file.
4766
4767 2010-04-14  Doug Kwan  <dougkwan@google.com>
4768
4769         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4770         for local symbol recounting if we remove a section due to ICF.
4771         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4772         there are no regular objects in input.
4773
4774 2010-04-13  Doug Kwan  <dougkwan@google.com>
4775
4776         * arm.cc (Arm_input_section::set_final_data_size): Compute
4777         accurate final data size instead of using current data size.
4778
4779 2010-04-09  Doug Kwan  <dougkwan@google.com>
4780
4781         * layout.cc (Layout::choose_output_section): Handle script section
4782         types.
4783         (Layout::make_output_section_for_script): Add section type parameter.
4784         Handle script section types.
4785         * layout.h (Layout::make_output_section_for_script): Add section
4786         type parameter.
4787         * output.cc (Output_section::Output_section): Initialize data member
4788         is_noload_.
4789         (Output_section::do_reset_address_and_file_offset): Do not set address
4790         to 0 if section is a NOLOAD section.
4791         * output.h (Output_section::is_noload): New method.
4792         (Output_section::set_is_noload): Ditto.
4793         (Output_section::is_noload_): New data member.
4794         * script-c.h (Script_section_type): New enum type.
4795         (struct Parser_output_section_header): Add new file section_type.
4796         * script-sections.cc (Sections_element::output_section_name): Add
4797         parameter for returning script section type.
4798         (Output_section_definition::output_section_name): Ditto.
4799         (Output_section_definition::section_type)P; New method.
4800         (Output_section_definiton::script_section_type_name): Ditto.
4801         (Output_section_definition::script_section_type_): New data member.
4802         (Output_section_definition::Output_section_definition): Initialize
4803         data member Output_section_definition::script_section_type_.
4804         (Output_section_definition::create_sections): Pass script section type
4805         to Layout::make_output_section_for_script.
4806         (Output_section_definition::output_section_name): Return script
4807         section type to caller.
4808         (Output_section_definition::set_section_address): Do not advance
4809         dot value and load address if section type is NOLOAD.  Set address
4810         of NOLOAD sections regardless of section flags.
4811         (Output_section_definition::print): Print section type if it is
4812         not SCRIPT_SECTION_TYPE_NONE.
4813         (Output_section_definition::section_type): New method.
4814         (Output_section_definition::script_section_type_name): Ditto.
4815         (Script_sections::output_section_name): Add new parameter
4816         PSECTION_TYPE for returning script section type.  Pass it to
4817         section elements.  Handle discard sections.
4818         (Sort_output_sections::operator()): Handle NOLOAD sections.
4819         * script-sections.h (Script_sections::Section_type): New enum type.
4820         (Script_sections::output_section_name): Add a new parameter for
4821         returning script section type.
4822         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4823         INFO and NOLOAD.
4824         * yyscript.y (union): Add new field SECTION_TYPE.
4825         (COPY, DSECT, INFO, NOLOAD): New tokens.
4826         (opt_address_and_section_type): Change type to output_section_header.
4827         (section_type): New non-terminal
4828         (section_header): Handle section type.
4829         (opt_address_and_section_type): Return section type value.
4830
4831 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4832
4833         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4834         * testsuite/plugin_common_test_2.c (foo): Likewise.
4835
4836 2010-04-08  Doug Kwan  <dougkwan@google.com>
4837
4838         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4839         Output_merge_data.
4840         * output.cc (Output_section::add_merge_input_section): Simplify
4841         code and return status of Output_merge_base::add_input_section.
4842         Update merge section map only if Output_merge_base::add_input_section
4843         returns true.
4844
4845 2010-04-07  Doug Kwan  <dougkwan@google.com>
4846
4847         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4848         if section is marked as containing instructions but has no mapping
4849         symbols.
4850         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4851         correct section index.
4852         (Arm_relobj::find_linked_text_section): Ditto.
4853
4854 2010-04-07  Cary Coutant  <ccoutant@google.com>
4855
4856         * archive.cc (include_member): Destroy Read_symbols_data object before
4857         releasing file.
4858         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4859         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4860         (Read_symbols_data::~Read_symbols_data) New destructor.
4861         (Section_relocs::Section_relocs) New constructor.
4862         (Section_relocs::~Section_relocs) New destructor.
4863         (Read_relocs_data::Read_relocs_data) New constructor.
4864         (Read_relocs_data::~Read_relocs_data) New destructor.
4865         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4866         pointers to NULL after deleting.
4867
4868 2010-04-07  Doug Kwan  <dougkwan@google.com>
4869
4870         * arm.cc: Replace "endianity" with "endianness" in comments.
4871         (Arm_exidx_cantunwind): Ditto.
4872         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4873         (Arm_relobj::merge_flags_and_attributes): New method.
4874         (Arm_relobj::merge_flags_and_attributes_): New data member.
4875         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4876         (Arm_relobj::scan_sections_for_stubs): Ditto.
4877         (Arm_relobj::do_read_symbols): Check to see if we really want to
4878         merge processor-specific flags and attributes.  Exit early if
4879         an object is empty except for section names and the undefined symbol.
4880         (Target_arm::do_finalize_sections): Move check for ELF format to
4881         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4882         attributes from a regular object only when we have determined that
4883         it is aapropriate.  Do not create an .ARM.attributes section in
4884         output if there is no regular input object.
4885         (Target_arm::merge_processor_specific_flags): Check
4886         --warn-mismatch before printing any error.
4887         (Target_arm::merge_object_attributes): Ditto.
4888         * gold.cc (queue_middle_tasks): Handle the case in which there is
4889         no regular object in input.
4890         * options.cc (General_options::parse_EB): New method.
4891         (General_options::parse_EL): Same.
4892         (General_options::General_options): Initialize endianness_.
4893         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4894         New options.
4895         (General_options::Endianness): New enum.
4896         (General_options::endianness): New method.
4897         (General_options::endianness_): New data member.
4898         * parameters.cc (Parameters::set_options): Check target endianness.
4899         (Parameters::set_target_once): Ditto.
4900         (Parameters::check_target_endianness): New method.
4901         (parameters_force_valid_target): If either -EL or -EB is specified,
4902         use it to define endianness of default target.
4903         * parameters.h (Parameters::check_target_endianness): New method
4904         declaration.
4905         * target.h (class Target): Change "endianity" to "endianness"
4906         in comments.
4907
4908 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4909
4910         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4911         * configure: Regenerate.
4912         * Makefile.in: Regenerate.
4913         * testsuite/Makefile.in: Regenerate.
4914
4915 2010-04-06  Cary Coutant  <ccoutant@google.com>
4916
4917         gcc PR lto/42757
4918         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4919         prevailing definitions of common symbols.
4920         * testsuite/plugin_test_6.sh: New test case.
4921         * testsuite/plugin_common_test_1.c: New test case.
4922         * testsuite/plugin_common_test_2.c: New test case.
4923         * testsuite/Makefile.am (plugin_test_6): New test case.
4924         * testsuite/Makefile.in: Regenerate.
4925
4926 2010-04-06  Nick Clifton  <nickc@redhat.com>
4927
4928         * po/vi.po: New Vietnamese translation.
4929
4930 2010-03-30  Doug Kwan  <dougkwan@google.com>
4931
4932         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4933
4934 2010-03-25  Doug Kwan  <dougkwan@google.com>
4935
4936         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4937         to avoid a conversion warning on a 32-bit host.
4938
4939 2010-03-24  Ian Lance Taylor  <iant@google.com>
4940
4941         * testsuite/script_test_3.t: Add a TLS segment.
4942         * testsuite/Makefile.am (check_PROGRAMS): Add
4943         tls_phdrs_script_test.
4944         (tls_phdrs_script_test_SOURCES): Define.
4945         (tls_phdrs_script_test_DEPENDENCIES): Define.
4946         (tls_phdrs_script_test_LDFLAGS): Define.
4947         (tls_phdrs_script_test_LDADD): Define.
4948         * testsuite/Makefile.in: Rebuild.
4949
4950 2010-03-23  Cary Coutant  <ccoutant@google.com>
4951
4952         * fileread.cc (find_or_make_view): Fix comment.
4953
4954 2010-03-23  Ian Lance Taylor  <iant@google.com>
4955
4956         * script-sections.cc (class Orphan_section_placement): Define
4957         PLACE_TLS and PLACE_TLS_BSS.
4958         (Orphan_section_placement::Orphan_section_placement): Initialize
4959         new places.
4960         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4961         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4962         (tls_script_test_SOURCES): Define.
4963         (tls_script_test_DEPENDENCIES): Define.
4964         (tls_script_test_LDFLAGS): Define.
4965         (tls_script_test_LDADD): Define.
4966         * testsuite/Makefile.in: Rebuild.
4967
4968 2010-03-22  Doug Kwan  <dougkwan@google.com>
4969
4970         * arm.cc (Arm_relocate_functions::abs8,
4971         Arm_relocate_functions::abs16): Use correct check for overflow
4972         specified in the ARM ELF specs.
4973         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4974         target of a BLX instruction specially.
4975         (Reloc_stub::stub_type_for_reloc): Ditto.
4976         (Relocate::relocate): Use symbolic names instead of numeric relocation
4977         codes to report error.
4978         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4979         workaround.
4980         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4981         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4982         thumb2_blx_out_of_range.stdout
4983         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4984         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4985         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4986         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4987         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4988         thumb2_blx_in_range, thumb2_blx_in_range.o,
4989         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4990         thumb2_blx_out_of_range.o): New rules.
4991         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4992         thumb2_blx_in_range and thumb2_blx_out_of_range.
4993         * testsuite/Makefile.in: Regenerate.
4994         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4995         * testsuite/thumb_blx_in_range.s: New file.
4996         * testsuite/thumb_blx_out_of_range.s: New file.
4997
4998 2010-03-22  Rafael Espindola  <espindola@google.com>
4999
5000         * archive.cc (Should_include): Move to archive.h.
5001         (should_include_member): Make it a member of Archive.
5002         (Lib_group): New.
5003         (Add_lib_group_symbols): New.
5004         * archive.h: Include options.h.
5005         (Archive_member): Moved from Archive.
5006         (Should_include): Moved from archive.cc.
5007         (Lib_group): New.
5008         (Add_lib_group_symbols): New.
5009         * dynobj.cc (do_should_include_member): New.
5010         * dynobj.h (do_should_include_member): New.
5011         * gold.cc (queue_initial_tasks): Update call to queue.
5012         * main.cc (main): Print lib group stats.
5013         * object.cc (do_should_include_member): New.
5014         * object.h: Include archive.h.
5015         (Object::should_include_member): New.
5016         (Object::do_should_include_member): New.
5017         (Sized_relobj::do_should_include_member): New.
5018         * options.cc (General_options::parse_start_lib): New.
5019         (General_options::parse_end_lib): New.
5020         (Input_arguments::add_file): Handle lib groups.
5021         (Input_arguments::start_group): Check we are not in a lib.
5022         (Input_arguments::start_lib): New.
5023         (Input_arguments::end_lib): New.
5024         * options.h (General_options): Add start_lib and end_lib.
5025         (Input_argument::lib_): New.
5026         (Input_argument::lib): New.
5027         (Input_argument::is_lib): New.
5028         (Input_file_lib): New.
5029         (Input_arguments::in_lib_): New.
5030         (Input_arguments::in_lib): New.
5031         (Input_arguments::start_lib): New.
5032         (Input_arguments::end_lib_): New.
5033         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5034         in unused members as preempted.
5035         (Sized_pluginobj::do_should_include_member): New.
5036         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5037         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5038         return the blocker.
5039         (Read_symbols::do_whole_lib_group): New.
5040         (Read_symbols::do_lib_group): New.
5041         (Read_symbols::do_read_symbols): Handle lib groups.
5042         (Read_symbols::get_name): Handle lib groups.
5043         * readsyms.h (Read_symbols): Add an archive member pointer.
5044         (Read_symbols::do_whole_lib_group): New.
5045         (Read_symbols::do_lib_group): New.
5046         (Read_symbols::member_): New.
5047         * script.cc (read_input_script): Update call to queue_soon.
5048
5049 2010-03-19  Doug Kwan  <dougkwan@google.com>
5050
5051         * arm.cc (Stub_table::Stub_table): Initialize new data members
5052         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5053         (Stub_table::add_reloc_stub): Assign stub offset and update
5054         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5055         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5056         New data members.
5057         (Stub_table::update_data_size_and_addralign): Use
5058         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5059         instead of going over all reloc stubs.
5060         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5061         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5062         Stringpool_template::offset_ to size of Stringpool_char.
5063         (Stringpool_template::new_key_offset): Remove code to initialize
5064         Stringpool_template::offset_.
5065         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5066         Stringpool_template::offset_ to zero.
5067
5068 2010-03-15  Doug Kwan  <dougkwan@google.com>
5069
5070         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5071         offset_.
5072         (Stringpool_template::new_key_offset): New method.
5073         (Stringpool_template::add_string): Assign offsets when adding new
5074         strings.
5075         (Stringpool_template::set_string_offsets): Do not set string offsets
5076         when not optimizing.
5077         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5078         member size_.
5079         (Chunked_vector::clear): Clear size_.
5080         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5081         (Chunked_vector::size): Return size_.
5082         (Chunked_vector::push_back): Use size_ to find insert position.
5083         (Chunked_vector::size_): New data member.
5084         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5085         (Stringpool_template::new_key_offset): New method declaration.
5086         (Stringpool_template::offset_): New data member.
5087
5088 2010-03-15   Rafael Espindola  <espindola@google.com>
5089
5090         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5091         Add_symbols' constructor.
5092         * readsyms.h (Add_symbols): Remove the input_group member.
5093
5094 2010-03-10  Ian Lance Taylor  <iant@google.com>
5095
5096         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5097         target to ask whether a reference to a symbol requires a stack
5098         split.
5099         * target.h (Target::is_call_to_non_split): New function.
5100         (Target::do_is_call_to_non_split): Declare virtual function.
5101         * target.cc: Include "symtab.h".
5102         (Target::do_is_call_to_non_split): New function.
5103         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5104
5105 2010-03-10  Cary Coutant  <ccoutant@google.com>
5106
5107         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5108         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5109         (File_read::open[2]): Add whole_file_view_ to list of views.
5110         (File_read::make_view): Remove test of whole_file_view_.
5111         (File_read::find_or_make_view): Create whole_file_view_ if
5112         necessary.
5113         (File_read::clear_views): Replace bool parameter with enum;
5114         adjust all callers.  Don't delete views with permanent data;
5115         do delete cached views and views from archives if
5116         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5117         if clearing the corresponding view.
5118         * fileread.h (File_read::Clear_views_mode): New enum.
5119         (File_read::View::is_permanent_view): New method.
5120         (File_read::clear_views): Replace bool parameter
5121         with enum; adjust all callers.
5122         * options.h (General_options): Change keep_files_mapped option;
5123         add map_whole_files.
5124         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5125         releasing the file.
5126         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5127         the file.
5128
5129 2010-03-10  David S. Miller  <davem@davemloft.net>
5130
5131         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5132
5133 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5134
5135         * icf.cc (get_section_contents): Add '@' marker after processing the
5136         merge reloc.
5137
5138 2010-03-08  Doug Kwan  <dougkwan@google.com>
5139
5140         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5141         due to a conversion warning.
5142         (Arm_relobj::update_output_local_symbol_count): Check for local
5143         symbol with unset output index.
5144
5145 2010-03-05  Ian Lance Taylor  <iant@google.com>
5146
5147         * options.h (class General_options): Add --spare-dynamic-tags.
5148         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5149         --spare-dynamic-tags.
5150
5151 2010-03-05  Ian Lance Taylor  <iant@google.com>
5152
5153         * incremental.cc: Include "libiberty.h".
5154
5155 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5156
5157         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5158         function, is_info_ member.
5159         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5160         (Versions::Versions): Update caller.
5161         (Versions::define_base_version): Likewise.
5162         (Versions::add_def): Likewise.
5163
5164 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5165
5166         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5167         (Scan::possible_function_pointer_reloc): New function.
5168         (Scan::local_reloc_may_be_function_pointer): Change to call
5169         possible_function_pointer_reloc.
5170         (Scan::global_reloc_may_be_function_pointer): Ditto.
5171         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5172         relocations in ".data.rel.ro._ZTV" section.
5173         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5174         * testsuite/icf_safe_so_test.cc: Ditto.
5175         * testsuite/icf_safe_test.cc: Ditto.
5176         * testsuite/icf_safe_test.sh: Ditto.
5177
5178 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5179             Ian Lance Taylor  <iant@google.com>
5180
5181         * target-reloc.h (relocate_section): Check the symbol table index
5182         for -1U before setting the local symbol index.
5183         (scan_relocatable_relocs): If copying the relocation, record that
5184         the local symbol is required.
5185         * object.h (Symbol_value::is_output_symtab_index_set): New
5186         function.
5187         (Symbol_value::may_be_discarded_from_output_symtab): New
5188         function.
5189         (Symbol_value::has_output_symtab_entry): New function.
5190         (Symbol_value::needs_output_symtab_entry): Remove.
5191         (Symbol_value::output_symtab_index): Make sure the symbol index is
5192         set.
5193         (Symbol_value::set_output_symtab_index): Make sure the symbol
5194         index is not set.  Make sure the new index is valid.
5195         (Symbol_value::set_must_have_output_symtab_entry): New function.
5196         (Symbol_value::has_output_dynsym_entry): New function.
5197         (Symbol_value::set_output_dynsym_index): Make sure the new index
5198         is valid.
5199         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5200         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5201         local symbol if permitted.
5202         (Sized_relobj::do_finalize_local_symbols): Call
5203         is_output_symtab_index_set rather than needs_output_symtab_entry.
5204         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5205         rather than needs_output_symtab_entry.  Call
5206         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5207         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5208         is_output_symtab_index_set rather than needs_output_symtab_entry.
5209         * testsuite/discard_locals_relocatable_test.c: New file.
5210         * testsuite/discard_locals_test.sh: Test -r.
5211         * testsuite/Makefile.am (check_DATA): Add
5212         discard_locals_relocatable_test1.syms,
5213         discard_local_relocatable_test2.syms.
5214         (MOSTLYCLEANFILES): Likewise.  Also add
5215         discard_locals_relocatable_test1.lout and
5216         discard_locals_relocatable_test2.out.
5217         (discard_locals_relocatable_test1.syms): New target.
5218         (discard_locals_relocatable_test.o): New target.
5219         (discard_locals_relocatable_test1.out): New target.
5220         (discard_locals_relocatable_test2.syms): New target.
5221         (discard_locals_relocatable_test2.out): New target.
5222         (various): Add missing ../ld-new dependencies.
5223         * testsuite/Makefile.in: Rebuild.
5224
5225 2010-03-03  Nick Clifton  <nickc@redhat.com>
5226
5227         * po/fi.po: New Finnish translation.
5228
5229 2010-03-01  Doug Kwan  <dougkwan@google.com>
5230
5231         * layout.cc (Layout::Layout): Force section types of .init_array*,
5232         .preinit_array* and .fini_array* sections.
5233         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5234         Fix check of return value of std::string::find.().
5235         (Output_section::Input_section_sort_compare::operator()): Remove
5236         comment about .init_array.
5237         (Output_section::Input_section_sort_init_fini_compare::operator()):
5238         New method.
5239         (Output_section::sort_attached_input_sections): Handle .init_array
5240         and .fini_array specially.
5241         * output.h (Output_section::Inut_section_sort_compare): Update
5242         comment.
5243         (Output_section::Input_section_sort_init_fini_compare): New struct.
5244
5245 2010-02-26  Doug Kwan  <dougkwan@google.com>
5246
5247         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5248         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5249         * testsuite/debug_msg.sh: Avoid matching source line number for
5250         use of global variable undef_int.
5251
5252 2010-02-26  Doug Kwan  <dougkwan@google.com>
5253
5254         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5255         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5256         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5257         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5258         * options.cc (General_options::General_options): Initialize member
5259         fix_v4bx_.
5260         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5261         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5262         and rm_no_fix_v4bx.stdout
5263         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5264         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5265         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5266         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5267         and arm_no_fix_v4bx.
5268         * Makefile.in: Regenerate.
5269         * testsuite/arm_fix_v4bx.s: New file.
5270         * testsuite/arm_fix_v4bx.sh: Ditto.
5271
5272 2010-02-24  Doug Kwan  <dougkwan@google.com>
5273
5274         * arm.cc (Target_arm::got_section): Make the .got section the first
5275         non RELRO section in the data segment.
5276         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5277         suffixes of section names.
5278
5279 2010-02-24  Doug Kwan  <dougkwan@google.com>
5280
5281         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5282         flags and attributes merging if an input file is a binary file.
5283         * fileread.cc (Input_file::open): Record format of original file.
5284         * fileread.h (Input_file::Format): New enum type.
5285         (Input_file::Input_file): Initialize data member format_.
5286         (Input_file::format): New method definition.
5287         (Input_file::format_):: New data member.
5288
5289 2010-02-24  Doug Kwan  <dougkwan@google.com>
5290
5291         * arm.cc (Arm_output_data_got): New class.
5292         (ARM_TCB_SIZE): New constant
5293         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5294         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5295         If user uses a script with a SECTIONS clause, issue only a warning
5296         for a misplaced EXIDX input section.  Otherwise, issue an error.
5297         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5298         garbage collection.
5299         (Target_arm::got_mode_index_entry): Handle static linking.
5300         (Target_arm::Scan::local): Ditto.
5301         (Target_arm::Scan::global): Ditto.
5302         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5303         all incorrectly implemented relocations.
5304         (Target_arm::fix_exidx_coverage): Pass layout to
5305         Arm_output_section::fix_exidx_coverage.
5306         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5307         from ".ARM.exidx." and ".ARM.extab.".
5308
5309 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5310
5311         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5312         section if it does not already exist.
5313         * attributes.cc (Attributes_section_data::Attributes_section_data):
5314         Don't crash if size is zero.
5315
5316 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5317             Ian Lance Taylor  <iant@google.com>
5318
5319         * gold.cc (queue_middle_tasks): If no input files were opened,
5320         exit.
5321         * workqueue.h (Task_function::Task_function): Assert that there is
5322         a blocker.
5323
5324 2010-02-22  Doug Kwan  <dougkwan@google.com>
5325
5326         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5327         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5328         types to avoid warnings due to different uint64_t implementations
5329         on different hosts.
5330
5331 2010-02-21  Doug Kwan  <dougkwan@google.com>
5332
5333         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5334         handling of the maximum backward branch offset.
5335         (Arm_relocate_functions::thumb_branch_common): Ditto.
5336         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5337         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5338         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5339         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5340         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5341         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5342         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5343         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5344         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5345         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5346         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5347         thumb2_bl_out_of_range.o): New rules.
5348         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5349         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5350         thumb2_bl_out_of_range
5351         * testsuite/Makefile.in: Regenerate.
5352         * testsuite/arm_bl_in_range.s: New file.
5353         * testsuite/arm_bl_out_of_range.s: Ditto.
5354         * testsuite/arm_branch_in_range.sh: Ditto.
5355         * testsuite/arm_branch_range.t: Ditto.
5356         * testsuite/thumb2_branch_range.t: Ditto.
5357         * testsuite/thumb_bl_in_range.s: Ditto.
5358         * testsuite/thumb_bl_out_of_range.s: Ditto.
5359         * testsuite/thumb_branch_range.t: Ditto.
5360
5361 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5362
5363         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5364         Add reloc offset information.
5365         * icf.cc (get_section_contents): Change iterators to point to the new
5366         vectors. Add reloc offset information to the contents.
5367         * icf.h (Icf::Sections_reachable_info): New typedef.
5368         (Icf::Sections_reachable_list): New typedef.
5369         (Icf::Offset_info): New typedef.
5370         (Icf::Reloc_info): New struct typedef.
5371         (Icf::Reloc_info_list): New typedef.
5372         (Icf::symbol_reloc_list): Delete method.
5373         (Icf::addend_reloc_list): Delete method.
5374         (Icf::section_reloc_list): Delete method.
5375         (Icf::reloc_info_list): New method.
5376         (Icf::reloc_info_list_): New member.
5377
5378 2010-02-19  Doug Kwan  <dougkwan@google.com>
5379
5380         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5381         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5382         * arm.cc (Arm_relocation_functions): New forward declaration.
5383         (Target_arm::Target_arm): Initialize new data members
5384         got_mod_index_offset_ and tls_base_symbol_defined_.
5385         (Target_arm::Relocate::relocate_tls): New method.
5386         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5387          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5388         New methods.
5389         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5390         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5391         (Target_arm::got_mod_index_offset_,
5392         Target_arm::tls_base_symbol_defined_): New data members.
5393         (Target_arm::Scan::local, Target::Scan::global,
5394         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5395         relocations.
5396
5397 2010-02-18  Doug Kwan  <dougkwan@google.com>
5398
5399         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5400         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5401         text section as a parameter becuase some broken tools may not set
5402         the link in section header.
5403         (Target_arm::has_got_section): New method.
5404         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5405         without any mapping symbol as data only.  Remove warning.
5406         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5407         link in its section header, try to discover the link by inspecting the
5408         REL31 relocation at the beginning of the section.
5409         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5410         in error message.
5411         (Target_arm::Scan::global): Treat any reference to the symbol
5412         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5413
5414 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5415
5416         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5417         (Scan::global_reloc_may_be_function_pointer): New function.
5418         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5419         (Scan::global_reloc_may_be_function_pointer): New function.
5420         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5421         (Scan::global_reloc_may_be_function_pointer): New function.
5422         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5423         (Scan::global_reloc_may_be_function_pointer): New function.
5424         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5425         (Scan::global_reloc_may_be_function_pointer): New function.
5426         (Scan::possible_function_pointer_reloc): New function.
5427         (Target_x86_64::can_check_for_function_pointers): New function.
5428         * gc.h (gc_process_relocs): Scan relocation types to determine if
5429         function pointers were taken for targets that support it.
5430         * icf.cc (Icf::find_identical_sections): Include functions for
5431         folding in safe ICF whose pointer is not taken.
5432         * icf.h (Secn_fptr_taken_set): New typedef.
5433         (fptr_section_id_): New member.
5434         (section_has_function_pointers): New function.
5435         (set_section_has_function_pointers): New function.
5436         (check_section_for_function_pointers): New function.
5437         * options.h: Fix comment for safe ICF option.
5438         * target.h (can_check_for_function_pointers): New function.
5439         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5440         Modify icf_safe_test for X86-64.
5441         * testsuite/Makefile.in: Regenerate.
5442         * testsuite/icf_safe_so_test.cc: New file.
5443         * testsuite/icf_safe_so_test.sh: New file.
5444         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5445         (main): Change to take pointer to function kept_func_3.
5446         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5447         folding is done correctly for X86-64.
5448
5449 2010-02-12  David S. Miller  <davem@davemloft.net>
5450
5451         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5452         is_symbolless parameter.
5453         (Output_reloc<SHT_REL>::is_symbolless): New.
5454         (Output_reloc<SHT_REL>::is_symbolless_): New.
5455         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5456         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5457         (Output_reloc<SHT_RELA>::is_symbolless): New.
5458         (Output_data_reloc::add_global): Handle is_symbolless.
5459         (Output_data_reloc::add_global_relative): Likewise.
5460         (Output_data_reloc::add_local): Likewise.
5461         (Output_data_reloc::add_local_relative): Likewise.
5462         (Output_data_reloc::add_symbolless_global_addend): New.
5463         (Output_data_reloc::add_symbolless_local_addend): New.
5464         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5465         is_symbolless.
5466         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5467         instead of ->is_relative_
5468         (Output_reloc::write): Likewise.
5469         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5470         (Output_reloc::write_rel): Simplify.
5471
5472         * sparc.cc (Target_sparc::Scan::local): Use
5473         ->add_symbolless_local_addend as needed.
5474         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5475         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5476         based upon relocation offset.
5477
5478 2010-02-11  Doug Kwan  <dougkwan@google.com>
5479
5480         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5481         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5482         beginning of function.
5483         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5484         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5485         parameter is_32bit in calls to should_apply_static_reloc.
5486         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5487         (check_DATA): Add arm_abs_global.stdout.
5488         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5489         arm_abs_global.stdout): New rules.
5490         (MOSTLLYCLEANFILES): Add arm_abs_global
5491         * Makefile.in: Regenerate.
5492         * testsuite/arm_abs_global.s: New file.
5493         * testsuite/arm_abs_global.sh: Ditto.
5494         * testsuite/arm_abs_lib.s: Ditto.
5495
5496 2010-02-11  Ian Lance Taylor  <iant@google.com>
5497
5498         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5499         Read_relocs task.
5500         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5501         Allocate_commons_task first.
5502         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5503         task, rather than symtab_lock_.
5504         (Gc_process_relocs::~Gc_process_relocs): New function.
5505         (Gc_process_relocs::is_runnable): Check this_blocker_.
5506         (Gc_process_relocs::locks): Use next_blocker_ rather than
5507         blocker_.
5508         (Scan_relocs::~Scan_relocs): New function.
5509         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5510         symtab_lock_.
5511         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5512         next_blocker_.
5513         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5514         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5515         constructor accordingly.
5516         (class Gc_process_relocs): Likewise.
5517         (class Scan_relocs): Likewise.
5518         * common.h (class Allocate_commons_task): Remove symtab_lock_
5519         field, and corresponding constructor parameter.
5520         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5521         symtab_lock_.
5522         (Allocate_commons_task::locks): Likewise.
5523
5524 2010-02-11  Ian Lance Taylor  <iant@google.com>
5525
5526         * gold-threads.h (class Once): Define.
5527         (class Initialize_lock): Rewrite as child of Once.
5528         * gold-threads.cc (class Once_initialize): Define.
5529         (once_pointer_control): New static variable.
5530         (once_pointer, once_arg): New static variables.
5531         (c_run_once): New static function.
5532         (Once::Once, Once::run_once, Once::internal_run): New functions.
5533         (class Initialize_lock_once): Remove.
5534         (initialize_lock_control): Remove.
5535         (initialize_lock_pointer): Remove.
5536         (initialize_lock_once): Remove.
5537         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5538         (Initialize_lock::initialize): Rewrite.
5539         (Initialize_lock::do_run_once): New function.
5540         * archive.cc (Archive::interpret_header): Only clear name if it is
5541         not already empty.
5542         * fileread.cc: Include "gold-threads.h"
5543         (file_counts_lock): New static variable.
5544         (file_counts_initialize_lock): Likewise.
5545         (File_read::release): Only increment counts when using --stats.
5546         Use a lock around the increment.
5547         * parameters.cc (class Set_parameters_target_once): Define.
5548         (set_parameters_target_once): New static variable.
5549         (Parameters::Parameters): Move here from parameters.h.
5550         (Parameters::set_target): Rewrite.
5551         (Parameters::set_target_once): New function.
5552         (Parameters::clear_target): Move here and rewrite.
5553         * parameters.h (class Parameters): Update declarations.  Add
5554         set_parameters_target_once_ field.
5555         (Parameters::Parameters): Move to parameters.cc.
5556         (Parameters::clear_target): Likewise.
5557         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5558         task.
5559         (Start_group::~Start_group): New function.
5560         (Start_group::is_runnable): New function.
5561         (Start_group::locks, Start_group::run): New functions.
5562         (Finish_group::run): Change saw_undefined to size_t.
5563         * readsyms.h (class Start_group): Define.
5564         (class Finish_group): Change saw_undefined_ field to size_t.
5565         (Finish_group::Finish_group): Remove saw_undefined and
5566         this_blocker parameters.  Change all callers.
5567         (Finish_group::set_saw_undefined): New function.
5568         (Finish_group::set_blocker): New function.
5569         * symtab.h (class Symbol_table): Change saw_undefined to return
5570         size_t.  Change saw_undefined_ field to size_t.
5571         * target-select.cc (Set_target_once::do_run_once): New function.
5572         (Target_selector::Target_selector): Initialize set_target_once_
5573         field.  Don't initialize lock_ and initialize_lock_ fields.
5574         (Target_selector::instantiate_target): Rewrite.
5575         (Target_selector::set_target): New function.
5576         * target-select.h (class Set_target_once): Define.
5577         (class Target_selector): Update declarations.  Make
5578         Set_target_once a friend.  Remove lock_ and initialize_lock_
5579         fields.  Add set_target_once_ field.
5580
5581 2010-02-10  Ian Lance Taylor  <iant@google.com>
5582
5583         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5584         queueing any tasks.
5585         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5586         (queue_middle_tasks): Add all blockers before queueing any tasks.
5587         (queue_final_tasks): Likewise.
5588         * token.h (Task_token::add_blockers): New function.
5589         * object.h (Input_objects::number_of_relobjs): New function.
5590
5591 2010-02-10  Ian Lance Taylor  <iant@google.com>
5592
5593         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5594         shared, not if not position independent.
5595         * x86_64.cc (Relocate::relocate_tls): Likewise.
5596         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5597         (tls_pie_pic_test): New target.
5598         * testsuite/Makefile.in: Rebuild.
5599
5600         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5601         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5602         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5603         * testsuite/Makefile.in: Rebuild.
5604
5605 2010-02-09  David S. Miller  <davem@davemloft.net>
5606
5607         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5608         R_SPARC_RELATIVE using ->add_local_relative().
5609         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5610
5611         * output.h (Output_data_dynamic::add_section_size): New method
5612         that takes two Output_data objects.
5613         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5614         entry param.  Handle it in initializers.
5615         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5616         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5617         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5618         arg.
5619         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5620         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5621         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5622         for dynrel_includes_plt.
5623         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5624         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5625         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5626         before .rela.plt
5627         (Target_sparc::do_finalize_sections): Update to pass true for
5628         dynrel_includes_plt.
5629         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5630         output before .rela.plt
5631         (Target_powerpc::do_finalize_sections): Update to pass true for
5632         dynrel_includes_plt when 32-bit.
5633
5634 2010-02-08  Doug Kwan  <dougkwan@google.com>
5635
5636         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5637         method.
5638         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5639         Arm_relobj::scan_section_for_cortex_a8_stubs,
5640         Arm_relobj::do_relocation_section): Instead of calling
5641         Output_section::output_address, use faster
5642         Arm_relobj::simple_input_section_output_address.
5643
5644 2010-02-08  David S. Miller  <davem@davemloft.net>
5645
5646         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5647         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5648         relocation helper function.
5649
5650         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5651         just like R_SPARC_GOT{10,13,22}.
5652         (Target_sparc::Scan::local): Likewise.
5653         (Target_sparc::Relocate:relocate): Likewise.
5654
5655 2010-02-06  Ian Lance Taylor  <iant@google.com>
5656
5657         * configure.ac: Rewrite targetobjs duplicate removal code to use
5658         only shell constructs.
5659         * configure: Rebuild.
5660
5661 2010-02-05  Doug Kwan  <dougkwan@google.com>
5662
5663         PR 11247
5664         * arm.cc (Arm_relobj::section_is_scannable): New method.
5665         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5666         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5667
5668 2010-02-04  Doug Kwan  <dougkwan@google.com>
5669
5670         PR 11247
5671         * arm-reloc-property.cc (cstdio): Include.
5672         * configure.ac (targetobjs): Remove duplicates.
5673         * configure: Regenerate.
5674         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5675         big and little endian version for a given address size.
5676
5677 2010-02-03  Doug Kwan  <dougkwan@google.com>
5678
5679         * arm-reloc-property.cc
5680         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5681         definition.
5682         * arm-reloc-property.h
5683         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5684         New method definition.
5685         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5686         declaration.
5687         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5688         overflow to N.
5689         (GOT_PREL): Change implemented to Y.
5690         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5691         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5692         (Arm_relocate_functions::movw_abs_nc): Remove method.
5693         (Arm_relocate_functions::movt_abs): Ditto.
5694         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5695         (Arm_relocate_functions::thm_movt_abs): Ditto.
5696         (Arm_relocate_functions::movw_rel_nc): Ditto.
5697         (Arm_relocate_functions::movw_rel): Ditto.
5698         (Arm_relocate_functions::movt_rel): Ditto.
5699         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5700         (Arm_relocate_functions:thm_movw_rel): Ditto.
5701         (Arm_relocate_functions:thm_movt_rel): Ditto.
5702         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5703         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5704         New method definitions.
5705         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5706         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5707         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5708         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5709         (Target_arm::Relocate::relocate): Check for non-static or
5710         unimplemented relocation code and exit early.  Change calls to
5711         Target_arm::reloc_uses_thumb_bit and
5712         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5713         instead.  Refactor code to handle similar relocations to increase
5714         code sharing.  Remove check for unsupported relocation code in switch
5715         statement.
5716         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5717         relocation property table to find out size.  Change error message to
5718         print out the name of a relocation code instead of the numeric value.
5719         (Target_arm::scan_reloc_for_stub): Use relocation property table
5720         instead of calling Target_arm::reloc_uses_thumb_bit().
5721
5722 2010-02-02  Doug Kwan  <dougkwan@google.com>
5723
5724         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5725         types of relaxed input section.
5726
5727 2010-02-02  Doug Kwan  <dougkwan@google.com>
5728
5729         * Makefile.am (HFILES): Add arm-reloc-property.h.
5730         (DEFFILES): New.
5731         (TARGETSOURCES): Add arm-reloc-property.cc
5732         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5733         (libgold_a_SOURCES): $(DEFFILES)
5734         * Makefile.in: Regenerate.
5735         * arm-reloc-property.cc: New file.
5736         * arm-reloc-property.h: New file.
5737         * arm-reloc.def: New file.
5738         * arm.cc: Update comments.
5739         (arm-reloc-property.h): New included header.
5740         (arm_reloc_property_table): New global variable.
5741         (Target_arm::do_select_as_default_target): New method definition.
5742         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5743         arm-reloc-property to targ_extra_obj.
5744         * parameters.cc (set_parameters_target): Call
5745         Target::select_as_default_target().
5746         * target.h (Target::select_as_default_target): New method definition.
5747         (Target::do_select_as_default_target): Same.
5748
5749 2010-02-01  Doug Kwan  <dougkwan@google.com>
5750
5751         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5752         first_output_text_section_.
5753         (Arm_exidx_fixup::first_output_text_section): New method definition.
5754         (Arm_exidx_fixup::first_output_text_section_): New data member.
5755         (Arm_exidx_fixup::process_exidx_section): Record the first text
5756         output section seen.
5757         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5758         and entsize in output section header.
5759
5760 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5761
5762         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5763         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5764         (Arm_relocate_functions::thm_alu11): New Method.
5765         (Arm_relocate_functions::thm_pc8): New Method.
5766         (Arm_relocate_functions::thm_pc12): New Method.
5767         (Target_arm::Scan::local): Handle the relocations.
5768         (Target_arm::Scan::global): Likewise.
5769         (Target_arm::Relocate::relocate): Likewise.
5770         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5771
5772 2010-01-29  Doug Kwan  <dougkwan@google.com>
5773
5774         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5775         of relocation types as ld.
5776
5777 2010-01-29  Doug Kwan  <dougkwan@google.com>
5778
5779         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5780         to public.
5781         (Arm_relocate_functions::thumb_branch_common): Ditto.
5782         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5783         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5784         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5785         Arm_relocate_functions::jump24): Remove.
5786         (Target_arm::Relocate::relocate): Adjust code to call
5787         Arm_relocation_functions::arm_branch_common and
5788         Arm_relocation_functions::thumb_branch_common instead of their removed
5789         wrappers.  Merge switch-cases together to reduce source code size.
5790
5791 2010-01-29  Doug Kwan  <dougkwan@google.com>
5792
5793         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5794         output_local_symbol_count_needs_update_.
5795         (Arm_relobj::output_local_symbol_count_needs_update,
5796          Arm_relobj::set_output_local_symbol_count_needs_update,
5797          Arm_relobj::update_output_local_symbol_count): New methods.
5798         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5799         member.
5800         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5801         of pointed function as in a R_ARM_PREL31 relocation.
5802         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5803         for output local symbol count updating.
5804         (Target_arm::do_relax): Update output local symbol counts in objects
5805         if necessary.
5806         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5807
5808 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5809
5810         * arm.cc: Added support for the ARM relocations:
5811         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5812         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5813         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5814         movw_prel_nc).
5815         (Arm_relocate_functions::movw_rel): New method.
5816         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5817         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5818         thm_movw_prel_nc).
5819         (Arm_relocate_functions::thm_movw_rel): New method.
5820         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5821         thm_movt_prel).
5822         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5823         relocations.
5824         (Target_arm::Scan::global): Likewise.
5825         (Target_arm::Relocate::relocate): Likewise.
5826         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5827         Likewise.
5828
5829 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5830
5831         * arm.cc: Added support for ARM group relocations.
5832         (Target_arm::reloc_needs_sym_origin): New method.
5833         (Arm_relocate_functions::calc_grp_kn): New method.
5834         (Arm_relocate_functions::calc_grp_residual): New method.
5835         (Arm_relocate_functions::calc_grp_gn): New method.
5836         (Arm_relocate_functions::arm_grp_alu): New Method.
5837         (Arm_relocate_functions::arm_grp_ldr): New Method.
5838         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5839         (Arm_relocate_functions::arm_grp_ldc): New Method.
5840         (Target_arm::Scan::local): Handle the ARM group relocations.
5841         (Target_arm::Scan::global): Likewise.
5842         (Target_arm::Relocate::relocate): Likewise.
5843         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5844         Likewise.
5845
5846 2010-01-26  Doug Kwan  <dougkwan@google.com>
5847
5848         * arm.cc (set): Include.
5849         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5850         pointer type.
5851         (Arm_output_section::Text_section_list): New type.
5852         (Arm_output_section::append_text_sections_to_list): New method.
5853         (Arm_output_section::fix_exidx_coverage): Ditto.
5854         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5855         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5856         Relobj::set_section_offset() instead of
5857         Sized_relobj::invalidate_section_offset().
5858         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5859         parameter for section headers. Ignore relocation sections for
5860         unallocated sections and EXIDX sections.
5861         (Target_arm::fix_exidx_coverage): New method.
5862         (Target_arm::output_section_address_less_than): New type.
5863         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5864         linked text section instead of the EXIDX section.
5865         (Arm_output_section::create_stub_group): Add an assertion to check
5866         that this is not an EXIDX output section.
5867         (Arm_output_section::append_text_sections_to_list): New method.
5868         (Arm_output_section::fix_exidx_coverage): Ditto.
5869         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5870         Arm_relobj::section_needs_reloc_stub_scanning.
5871         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5872         first pass.
5873         (Target_arm::fix_exidx_coverage): New method.
5874         * object.h (Relobj::set_output_section): New method.
5875         (Sized_relobj::invalidate_section_offset): Remove method.
5876         (Sized_relobj::do_invalidate_section_offset): Remove method.
5877         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5878
5879 2010-01-25  Doug Kwan  <dougkwan@google.com>
5880
5881         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5882         Fix warning due to signed and unsigned comparison on a 32-bit host.
5883
5884 2010-01-22  Doug Kwan  <dougkwan@google.com>
5885
5886         * arm.cc (Target_arm::do_relax): Record an output section for section
5887         offset adjustment it contains any stub table that has changed.
5888         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5889         offsets in an output section if necessary.
5890         * output.cc (Output_section::Output_section): Initialize
5891         section_offsets_need_adjustments_.
5892         (Output_section::add_input_section_for_script): Renamed to
5893         Output_section::add_simple_input_section.
5894         (Output_section::save_states): Add a comment.
5895         (Output_section::discard_states): New method defintion.
5896         (Output_section::adjust_section_offsets): Same.
5897         * output.h (Output_section::add_input_section_for_script): Renamed to
5898         Output_section::add_simple_input_section.
5899         (Output_section::discard_states): New method declaration.
5900         (Output_section::adjust_section_offsets): Same.
5901         (Output_section::section_offsets_need_adjustment,
5902         Output_section::set_section_offsets_need_adjustment): New method
5903         definitions.
5904         (Output_section::section_offsets_need_adjustment_): New data member.
5905         * script-sections.cc
5906         (Output_section_element_input::set_section_address): Adjust code for
5907         renaming of Output_section::add_input_section_for_script.
5908         (Orphan_output_section::set_section_address): Same.
5909
5910 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5911
5912         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5913         Fix_v4bx enum values .
5914         * gold/options.h (General_options): New option definitions.
5915         (General_options::fix_v4bx): New method.
5916         (General_options::Fix_v4bx): New enum.
5917         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5918         (General_options::parse_fix_v4bx_interworking): New method.
5919
5920 2010-01-22  Doug Kwan  <dougkwan@google.com>
5921
5922         * arm.cc (Arm_exidx_fixup): New class.
5923
5924 2010-01-21  Doug Kwan  <dougkwan@google.com>
5925
5926         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5927         classes.
5928         (Arm_exidx_section_offset_map): New type.
5929
5930 2010-01-21  Doug Kwan  <dougkwan@google.com>
5931
5932         * arm.cc (Arm_exidx_input_section): New class.
5933         (Arm_relobj::exidx_input_section_by_link,
5934         Arm_relobj::exidx_input_section_by_shndx,
5935         Arm_relobj::make_exidx_input_section): New methods.
5936         (read_arm_attributes_section): Remove.
5937         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5938         information about them.
5939         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5940         to here.
5941
5942 2010-01-20  Doug Kwan  <dougkwan@google.com>
5943
5944         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5945         Input_section_specifier to Section_id.
5946         (Target_arm::new_arm_input_section: Adjust code for change of key
5947         type.
5948         (Target_arm::find_arm_input_section): Ditto.
5949         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5950         (Section_id): Remove.
5951         (Garbage_collection::Section_id_hash): Remove.
5952         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5953         (Section_id): Remove.
5954         (Icf::Section_id_hash): Remove.
5955         * object.h (Section_id, Const_section_id, Section_id_hash,
5956         Const_section_id_hash): New type definitions.
5957         * output.cc (Output_section::add_relaxed_input_section): Change to
5958         use Const_section_id instead of Input_section_specifier as key type.
5959         (Output_section::add_merge_input_section): Ditto.
5960         (Output_section::build_relaxation_map): Change to use Section_id
5961         instead of Input_section_specifier as key type.
5962         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5963         Ditto.
5964         (Output_section::convert_input_sections_to_relaxed_sections): Change
5965         to use Const_section_id instead of Input_section_specifier as key type.
5966         (Output_section::find_merge_section): Ditto.
5967         (Output_section::find_relaxed_input_section): Ditto.
5968         * output.h (Input_section_specifier): Remove class.
5969         (Output_section::Output_section_data_by_input_section_map): Change
5970         key type to Const_section_id.
5971         (Output_section::Output_relaxed_input_section_by_input_section_map):
5972         Ditto.
5973         (Output_section::Relaxation_map): Change key type to Section_id.
5974
5975 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5976
5977         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5978         (class Arm_v4bx_stub): New class.
5979         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5980         (Stub_factory::make_arm_v4bx_stub): New method.
5981         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5982         (Stub_table::empty): Handle v4bx stubs.
5983         (Stub_table::add_arm_v4bx_stub): New method.
5984         (Stub_table::find_arm_v4bx_stub): New method.
5985         (Arm_relocate_functions::v4bx): New method.
5986         (Target_arm::fix_v4bx): New method.
5987         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5988         (Stub_table::relocate_stubs): Likewise.
5989         (Stub_table::do_write): Likewise.
5990         (Stub_table::update_data_size_and_addralign): Likewise.
5991         (Stub_table::finalize_stubs):  Likewise.
5992         (Target_arm::Scan::local): Likewise.
5993         (Target_arm::Scan::global): Likewise.
5994         (Target_arm::do_finalize_sections): Likewise.
5995         (Target_arm::Relocate::relocate): Likewise.
5996         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5997         Likewise.
5998         (Target_arm::scan_reloc_for_stub): Likewise.
5999         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6000
6001 2010-01-19  Ian Lance Taylor  <iant@google.com>
6002
6003         * output.cc (Output_section_headers::do_sized_write): Write large
6004         segment count to sh_info field.
6005         (Output_file_header::do_sized_write): For large segment count,
6006         write PN_XNUM to e_phnum field.
6007
6008 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6009
6010         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6011         (Arm_relocate_functions::thm_jump8): New function.
6012         (Arm_relocate_functions::thm_jump11): New function.
6013         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6014         R_ARM_THM_JUMP11.
6015         (Target_arm::Scan::global): Likewise.
6016         (Target_arm::Relocate::relocate): Likewise.
6017         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6018         Likewise.
6019
6020 2010-01-14  Doug Kwan  <dougkwan@google.com>
6021
6022         * arm.cc (map, utility): Include headers.
6023         (Target_arm::apply_cortex_a8_workaround): New method.
6024         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6025         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6026         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6027         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6028         the --[no-]fix-cortex-a8 command line options.
6029         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6030         (Target_arm::relocate_stub): Use addend in instruction template.
6031         * options.h (DEFINE_bool): Set the user-set flag.
6032         (General_options): Add --[no-]-fix-cortex options.
6033         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6034         : Update fast look-up map after conversion.
6035
6036 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6037
6038         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6039         in the first pass of do_layout.
6040
6041 2010-01-13  Doug Kwan  <dougkwan@google.com>
6042
6043         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6044         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6045         apparent compiler problem of not folding static constant integral
6046         data members of elfcpp::Elf_sizes<32>.
6047
6048 2010-01-13  Doug Kwan  <dougkwan@google.com>
6049
6050         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6051         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6052         Arm_relobj::scan_section_for_cortex_a8_erratum,
6053         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6054         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6055         sections to scan for relocation stubs into a new method
6056         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6057         relocation and Cortex-A8 stub scanning.
6058         (Target_arm::do_relax): Force stubs to be after stubbed sections
6059         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6060         the beginning of a new relaxation pass.  Update a comment.
6061         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6062
6063 2010-01-12  Ian Lance Taylor  <iant@google.com>
6064
6065         * target-reloc.h (visibility_error): New inline function.
6066         (relocate_section): Call visibility_error.
6067         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6068         (MOSTLYCLEANFILES): Likewise.
6069         (protected_4_pic.o, protected_3.err): New targets.
6070         * testsuite/protected_4.cc: New file.
6071
6072 2010-01-12  Doug Kwan  <dougkwan@google.com>
6073
6074         * arm.cc (Cortex_a8_reloc): New class.
6075         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6076         and cortex_a8_relocs_info_.
6077         (Target_arm::fix_cortex_a8): New method definition.
6078         (Target_arm::Cortex_a8_relocs_info): New type.
6079         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6080         New data member declarations.
6081         (Target_arm::scan_reloc_for_stub): Record information about
6082         relocations for THUMB branches that might be exempted from the
6083         Cortex-A8 workaround.
6084         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6085         at the beginning of a relaxation pass.
6086
6087 2010-01-12  Doug Kwan  <dougkwan@google.com>
6088
6089         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6090         (Arm_relobj::Mapping_symbol_position,
6091          Arm_reloj::Mapping_symbol_position_less,
6092          Arm_relobj::Mapping_symbols_info): New types.
6093         (Target_arm::is_mapping_symbol_name): New method definition.
6094         (Arm_relobj::do_count_local_symbols): Save information about mapping
6095         symbols.
6096
6097 2010-01-11  Doug Kwan  <dougkwan@google.com>
6098
6099         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6100         Arm_relocate_functions::thumb32_branch_upper,
6101         Arm_relocate_functions::thumb32_branch_lower,
6102         Arm_relocate_functions::thumb32_cond_branch_offset,
6103         Arm_relocate_functions::thumb32_cond_branch_upper,
6104         Arm_relocate_functions::thumb32_cond_branch_lower,
6105         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6106         branch offset encoding.
6107         (Arm_relocate_functions::thumb_branch_common): Use new branch
6108         offset encoding methods to avoid code duplication.
6109         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6110         (Stub_addend_reader::operator()): Use new branch encoding method
6111         to avoid code duplication.
6112
6113 2010-01-11  Doug Kwan  <dougkwan@google.com>
6114
6115         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6116         (Target_arm::do_finalize_sections): Define special EXIDX section
6117         symbols only if referenced.
6118         * gc.h (Garbage_collection::add_reference): New method.
6119         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6120         code duplication.
6121
6122 2010-01-11  Ian Lance Taylor  <iant@google.com>
6123
6124         * script.cc (Version_script_info::build_expression_list_lookup):
6125         Change complaing about duplicate wildcard match from error to
6126         warning.
6127
6128         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6129         of 2009-12-30.
6130         (Version_script_info::Version_script_info): Initialize globs_,
6131         default_version_, default_is_global_, and exact_.  Don't
6132         initialize globals_ or locals_.
6133         (Version_script_info::build_lookup_tables): Build local symbols
6134         first.
6135         (Version_script_info::unquote): New function.
6136         (Version_script_info::add_exact_match): New function.
6137         (Version_script_info::build_expression_list_lookup): Remove lookup
6138         parameter.  Add is_global parameter.  Change all callers.  Handle
6139         wildcard pattern specially.  Unquote pattern.  Call
6140         add_exact_match.
6141         (Version_script_info::get_name_to_match): New function.
6142         (Version_script_info::get_symbol_version): New function.
6143         (Version_script_info::get_symbol_version_helper): Remove.
6144         (Version_script_info::check_unmatched_names): Call unquote.
6145         * script.h (class Version_script_info): Change get_symbol_version
6146         to be non-inline and add is_global parameter; change all callers.
6147         Rewrite symbol_is_local.  Update declarations.  Define struct
6148         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6149         Remove globals_ and locals_ members.  Add exact_, globs_,
6150         default_version_, is_global_.
6151         (Version_script_info::Glob): Remove pattern, add expression and
6152         is_global.  Update constructor.  Change all callers.
6153         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6154         default version.
6155         (Versions::symbol_section_contents): If a symbol is undefined, or
6156         defined in a dynamic object, set the version index to
6157         VER_NDX_LOCAL.
6158         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6159         symbol_is_local.
6160         (Symbol_table::add_from_pluginobj): Likewise.
6161         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6162
6163 2010-01-11  Doug Kwan  <dougkwan@google.com>
6164
6165         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6166         (incremental_dump_LDADD): Add linking option for libintl.
6167         * Makefile.in: Regenerate.
6168
6169 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6170
6171         PR gold/11144
6172         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6173         instead of -Ds.
6174         * testsuite/Makefile.in: Regenerated.
6175
6176 2010-01-10  Doug Kwan  <dougkwan@google.com>
6177
6178         * options.h (DEFINE_var): Use parentheses around argument varname__
6179         in macro body to avoid any unintended subsequent substitutions.
6180
6181 2010-01-10  Ian Lance Taylor  <iant@google.com>
6182
6183         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6184         candidates before doing symbol resolution.
6185
6186         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6187         ODR candidates if only one is weak.
6188
6189 2010-01-08  Ian Lance Taylor  <iant@google.com>
6190
6191         * script.cc (Version_script_info::build_expression_list_lookup):
6192         Don't warn about ambiguous version, just record the ambiguity.
6193         (Version_script_info::get_symbol_version_helper): Give error if
6194         version is ambiguous.
6195
6196 2010-01-08  Doug Kwan  <dougkwan@google.com>
6197
6198         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6199           prev_data_size_ and prev_addralign_.  Remove initializer for
6200           deleted data member has_been_changed_.
6201           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6202           to determine if the table is empty.
6203           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6204           Remove.
6205           (Stub_table::add_reloc_stub): Define method in class definition
6206           instead of just declaring it there.
6207           (Stub_table::add_cortex_a8_stub): New method definition.
6208           (Stub_table::update_data_size_and_addralign): Ditto.
6209           (Stub_table::finalize_stubs): Ditto.
6210           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6211           (Stub_table::do_addralign_): Return address alignment in the
6212           (Stub_table::do_reset_address_and_file_offset): Define method in
6213           class definition instead of declaring it there.  Set current data
6214           size to be the data size of the previous pass.
6215           (Stub_table::set_final_data_size): Use current data size as the
6216           final data size.
6217           (Stub_table::relocate_stub): Change parameter type of stub from
6218           Reloc_stub pointer to Stub pointer.
6219           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6220           (Stub_table::Cortex_a8_stub_list): New typedef.
6221           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6222            Stub_table::prev_addralign_): New data member.
6223           (Arm_relobj::Arm_relobj): Initialize data member
6224           section_has_cortex_a8_workaround_.
6225           (Arm_relobj::section_has_cortex_a8_workaround,
6226            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6227            definitions.
6228           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6229           declarations.
6230           (Target_arm::relocate_stub): Change parameter type of stub from
6231           Reloc_stub pointer to Stub pointer.
6232           (Insn_template::size, Insn_template::alignment): Handle
6233           THUMB16_SPECIAL_TYPE.
6234           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6235            Stub_table::update_data_size_and_addralign,
6236            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6237           definitions.
6238           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6239           (Stub_table::do_write): Ditto.
6240           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6241
6242 2010-01-08  Ian Lance Taylor  <iant@google.com>
6243
6244         PR 11108
6245         * symtab.h (class Symbol): Remove fields is_target_special_ and
6246         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6247         (Symbol::is_defined_in_discarded_section): New function.
6248         (Symbol::set_is_defined_in_discarded_section): New function.
6249         (Symbol::has_plt_offset): Rewrite.
6250         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6251         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6252         Don't initialize is_target_special_ or has_plt_offset_.
6253         Initialize is_defined_in_discarded_section_.
6254         (Symbol_table::add_from_relobj): If appropriate, set
6255         is_defined_in_discarded_section.
6256         * resolve.cc (Symbol::override_base_with_special): Don't test
6257         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6258         * target-reloc.h (relocate_section): Do special handling for
6259         symbols defined in discarded sections for global symbols as well
6260         as local symbols.
6261
6262 2010-01-08  Ian Lance Taylor  <iant@google.com>
6263
6264         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6265         the SHT_SYMTAB case.
6266
6267 2010-01-08  Ian Lance Taylor  <iant@google.com>
6268
6269         * object.cc (Sized_relobj::do_layout): Don't get confused if
6270         layout_eh_frame returns NULL.
6271
6272 2010-01-08  Ian Lance Taylor  <iant@google.com>
6273
6274         PR 11084
6275         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6276         dynamic symbol table, use the normal symbol table.
6277         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6278         symbol table.
6279
6280 2010-01-08  Ian Lance Taylor  <iant@google.com>
6281
6282         PR 11072
6283         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6284         sections.
6285
6286 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6287
6288         * version.cc (print_version): Change to "Copyright 2010".
6289
6290 2010-01-08  Ian Lance Taylor  <iant@google.com>
6291
6292         PR 10287
6293         PR 11063
6294         * i386.cc (class Target_i386): Change return type of plt_section
6295         to be non-const.
6296         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6297         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6298         tls_desc_rel_ field.
6299         (Output_data_plt_i386::rel_tls_desc): New function.
6300         (Target_i386::rel_tls_desc_section): New function.
6301         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6302         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6303         R_386_TLS_DESC reloc in rel_tls_desc_section.
6304         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6305         Define struct Tlsdesc_info.
6306         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6307         (Target_x86_64::do_reloc_symbol_index): New function.
6308         (Target_x86_64::add_tlsdesc_info): New function.
6309         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6310         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6311         tlsdesc_rel_ field.
6312         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6313         all callers.
6314         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6315         (Target_x86_64::rela_tlsdesc_section): New function.
6316         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6317         handling.
6318         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6319         (Target_x86_64::do_reloc_addend): New function.
6320         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6321         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6322         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6323         (Output_reloc::type): New function.
6324         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6325         (Output_reloc::is_target_specific): New function.
6326         (Output_reloc::target_arg): New function.
6327         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6328         absolute relocs and target specific relocs.
6329         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6330         add_target_specific.
6331         (class Output_data_reloc) [SHT_RELA]: Likewise.
6332         * output.cc (Output_reloc::Output_reloc): Add four new versions
6333         for absolute relocs and target specific relocs.
6334         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6335         (Output_reloc::get_symbol_index): Likewise.
6336         (Output_reloc::local_section_offset): Check that local_sym_index_
6337         is not TARGET_CODE or 0.
6338         (Output_reloc::symbol_value): Likewise.
6339         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6340         reloc.
6341         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6342         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6343         functions.
6344         * layout.cc (add_target_dynamic_tags): Use output section for
6345         DT_PLTRELSZ and DT_JMPREL.
6346
6347 2010-01-07  Ian Lance Taylor  <iant@google.com>
6348
6349         PR 11061
6350         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6351         function.
6352         (class Output_data_reloc_generic): Define.
6353         (class Output_data_reloc_base): Change base class to
6354         Output_data_reloc_generic.  Change add() method to call
6355         bump_relative_reloc_count for a relative reloc.  Remove
6356         sort_relocs_ field.
6357         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6358         to sort_relocs().
6359         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6360         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6361         appropriate.
6362         * layout.h (class Layout): Update declaration.
6363
6364 2010-01-07  Ian Lance Taylor  <iant@google.com>
6365
6366         * output.h (class Output_data): Add const version of
6367         output_section and do_output_section.
6368         (class Output_section_data): Add const version of
6369         do_output_section.
6370         (class Output_section): Likewise.
6371         * layout.cc (Layout::add_target_dynamic_tags): New function.
6372         * layout.h (class Layout): Update declarations.
6373         * arm.cc (Target_arm::do_finalize_sections): Use
6374         add_target_dynamic_tags.
6375         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6376         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6377         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6378         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6379
6380 2010-01-07  Ian Lance Taylor  <iant@google.com>
6381
6382         PR 11042
6383         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6384         object as needed.
6385
6386 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6387             Ian Lance Taylor  <iant@google.com>
6388
6389         PR 11019
6390         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6391         Xindex::read_symtab_xindex.
6392
6393 2010-01-07  Doug Kwan  <dougkwan@google.com>
6394
6395         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6396         (Insn_template::thumb16_bcond_insn): New method declaration.
6397         (Insn_template): Fix spelling.
6398         (Stub::thumb16_special): New method declaration.
6399         (Stub::do_write): Define virtual method which was previously pure
6400         virtual.
6401         (Stub::do_thumb16_special): New method declaration.
6402         (Stub::do_fixed_endian_write): New template member.
6403         (Reloc_stub::do_write): Remove.
6404         (Reloc_stub::do_fixed_endian_write): Remove.
6405         (Cortex_a8_stub): New class definition.
6406         (Stub_factory::make_cortex_a8_stub): New method definition.
6407         (Stub_factory::Stub_factory): Add missing static storage class
6408         qualifier for elf32_arm_stub_a8_veneer_blx.
6409
6410 2010-01-07  Ian Lance Taylor  <iant@google.com>
6411
6412         PR 10980
6413         * options.h (class General_options): Add --warn-unresolved-symbols
6414         and --error-unresolved-symbols.
6415         * errors.cc (Errors::undefined_symbol): Implement
6416         --warn-unresolved-symbols.
6417
6418         * options.h (class General_options): Add -z text and -z textoff.
6419         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6420
6421 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6422
6423         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6424         (Garbage_collection::cident_sections): New function.
6425         (Garbage_collection::add_cident_section): New function.
6426         (Garbage_collection::cident_sections_): New member.
6427         (gc_process_relocs): Add references to sections whose names are C
6428         identifiers.
6429         * gold.h (cident_section_start_prefix): New constant.
6430         (cident_section_stop_prefix): New constant.
6431         (is_cident): New function.
6432         * layout.cc (Layout::define_section_symbols): Replace string constants
6433         with the newly defined constants.
6434         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6435         C identifiers.
6436         * testsuite/Makefile.am: Add gc_orphan_section_test.
6437         * testsuite/Makefile.in: Regenerate.
6438         * testsuite/gc_orphan_section_test.cc: New file.
6439         * testsuite/gc_orphan_section_test.sh: New file.
6440
6441 2010-01-06  Ian Lance Taylor  <iant@google.com>
6442
6443         PR 10980
6444         * options.h (class General_options): Add --warn-shared-textrel.
6445         * layout.cc (Layout::finish_dynamic_section): Implement
6446         --warn-shared-textrel.
6447
6448         PR 10980
6449         * options.h (class General_options): Add --warn-multiple-gp.
6450
6451 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6452
6453         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6454         $(THREADSLIB) and $(LIBDL).
6455         * Makefile.in: Rebuild.
6456
6457 2010-01-06  Ian Lance Taylor  <iant@google.com>
6458
6459         PR 10980
6460         * options.cc (General_options::parse_section_start): New function.
6461         (General_options::section_start): New function.
6462         (General_options::General_options): Initialize all members.
6463         * options.h: Include <map>
6464         (class General_options): Add --section-start.  Add section_starts_
6465         member.
6466         * layout.cc (Layout::attach_allocated_section_to_segment): If
6467         --section-start was used, set the address of the segment.  Remove
6468         local sort_sections.
6469         (Layout::relaxation_loop_body): If the address of the load segment
6470         has been set by --section-start, don't use it.
6471         * output.h (Output_segment::update_flags_for_output_section): New
6472         function.
6473         * output.cc (Output_segment::add_output_section): Call
6474         update_flags_for_output_section.
6475
6476 2010-01-05  Ian Lance Taylor  <iant@google.com>
6477
6478         PR 10980
6479         * options.h (class General_options): Add --undefined-version.
6480         * script.cc (struct Version_expression): Add was_matched_by_symbol
6481         field.
6482         (Version_script_info::matched_symbol): New function.
6483         (Version_script_info::get_symbol_version_helper): Call
6484         matched_symbol.
6485         (Version_script_info::check_unmatched_names): New function.
6486         * script.h (class Version_script_info): Update declarations.
6487         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6488
6489         * options.h (class General_options): Use DEFINE_bool_alias for
6490         allow_multiple_definition.
6491         * resolve.cc (Symbol_table::should_override): Don't test
6492         allow_multiple_definition.
6493
6494         PR 10980
6495         * options.h (class General_options): Add --cref.
6496         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6497         until after printing cref table.
6498         * cref.cc: Include "symtab.h".
6499         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6500         (Cref_table_compare::operator()): New function.
6501         (Cref_inputs::gather_cref): New function.
6502         (filecol): New static const.
6503         (Cref_inputs::print_cref): New function.
6504         (Cref::print_cref): New function.
6505         * cref.h: Include <cstdio>.
6506         (class Cref): Update declarations.
6507         * mapfile.h (Mapfile::file): New function.
6508         * object.h (class Object): Define Symbols.  Declare virtual
6509         do_get_global_symbols.
6510         (Object::get_global_symbols): New function.
6511         * object.cc (Input_objects::add_object): Pass object to cref_ if
6512         --cref.
6513         (Input_objects::archive_start): Likewise.
6514         (Input_objects::archive_stop): Likewise.
6515         (Input_objects::print_cref): New function.
6516         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6517         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6518         --cref.
6519         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6520         function.
6521         * plugin.h (class Sized_pluginobj): Update declarations.
6522
6523 2010-01-05  Ian Lance Taylor  <iant@google.com>
6524
6525         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6526         to is_default_version.  Rename insdef to insdefault.
6527         (Symbol_table::add_from_relobj): Rename def to is_default_version
6528         and local to is_forced_local.
6529         (Symbol_table::add_from_pluginobj): Likewise.
6530         (Symbol_table::add_from_dynobj): Likewise.
6531         (Symbol_table::define_special_symbol): Rename insdef to
6532         insdefault.
6533
6534 2010-01-04  Ian Lance Taylor  <iant@google.com>
6535
6536         PR 10980
6537         * options.h (class General_options): Add
6538         --allow-multiple-definition and -z muldefs.
6539         * resolve.cc (Symbol_table::should_override): Don't warn about a
6540         multiple symbol definition if --allow-multiple-definition or -z
6541         muldefs.
6542
6543         PR 10980
6544         * options.h (class General_options): Add --add-needed and
6545         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6546         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6547         error if --copy-dt-needed-entries aka --add-needed is used and
6548         would cause a change in behaviour.
6549
6550         PR 10980
6551         * options.h (class General_options): Add -G as a short version of
6552         --shared.  Add no-op options -assert, -g, and -i.
6553
6554 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6555
6556         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6557         check for .text or .gnu.linkonce.t sections.
6558         * icf.cc (Icf::find_identical_sections): Ditto.
6559         Change the detection for mangled function name within the section
6560         name.
6561         * icf.h (is_section_foldable_candidate): New function.
6562
6563 2009-12-30  Ian Lance Taylor  <iant@google.com>
6564
6565         PR 10980
6566         * options.h (class General_options): Permit two dashes with
6567         --retain-symbols-file.
6568
6569 2009-12-30  Ian Lance Taylor  <iant@google.com>
6570
6571         PR 10979
6572         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6573         don't put the file header and segment headers in the text
6574         segment.
6575
6576         PR 10979
6577         * common.cc (Sort_commons::operator()): Stabilize sort when both
6578         entries are NULL.
6579         (Symbol_table::do_allocate_commons_list): When allocating common
6580         symbols, skip a symbol which is no longer common.
6581         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6582         an object before checking its type.
6583         * testsuite/common_test_2.c: New file.
6584         * testsuite/common_test_3.c: New file.
6585         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6586         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6587         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6588         (common_test_2_pic.o, common_test_2.so): New targets.
6589         (common_test_3_pic.o, common_test_3.so): New targets.
6590         * testsuite/Makefile.in: Rebuild.
6591
6592         PR 10979
6593         * script.cc (read_input_script): If we see a new SECTIONS clause,
6594         and we have added an input section, give an error.
6595         * layout.h (class Layout): Add have_added_input_section function.
6596         Add have_added_input_section_ field.
6597         * layout.cc (Layout::Layout): Initialize
6598         have_added_input_section_.
6599         (Layout::layout): Set have_added_input_section_.
6600         (Layout::layout_eh_frame): Likewise.
6601
6602 2009-12-30  Ian Lance Taylor  <iant@google.com>
6603
6604         PR 10931
6605         * options.h (class General_options): Add --sort-common option.
6606         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6607         * common.cc (Sort_common): Add sort_order parameter to
6608         constructor.  Add sort_order_ field.
6609         (Sort_commons::operator): Check sort_order_.
6610         (Symbol_table::allocate_commons): Determine the sort order.
6611         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6612         Change all callers.
6613         (Symbol_table::do_allocate_commons_list): Likewise.
6614
6615 2009-12-30  Ian Lance Taylor  <iant@google.com>
6616
6617         PR 10916
6618         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6619         symbols from this object, don't change the visibility of an
6620         undefined symbol.
6621         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6622
6623 2009-12-30  Ian Lance Taylor  <iant@google.com>
6624
6625         PR 10861
6626         * script.h (class Version_script_info): Define Language enum.
6627         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6628         new fields globals_, locals_, and is_finalized_.
6629         * script.cc: Various formatting fixes.
6630         (class Parser_closure): Change language_stack_ from a vector of
6631         std::string to one of Version_script_info::Language.  Adjust all
6632         uses accordingly.
6633         (class Lazy_demangler): Remove.
6634         (struct Version_expression): Change language from std::string to
6635         Version_script_info::Language.
6636         (Version_script_info::Version_script_info): New function.
6637         (Version_script_info::~Version_script_info): Don't call clear.
6638         (Version_script_info::finalize): New function.
6639         (Version_script_info::build_lookup_tables): New function.
6640         (Version_script_info::build_expression_list_lookup): New
6641         function.
6642         (Version_script_info::get_symbol_version_helper): Rewrite to use
6643         lookup tables.
6644         (Version_script_info::print_expression_list): Adjust to use
6645         Version_script_info::Language.
6646         (script_push_lex_into_version_mode): Check that the version script
6647         has not been finalized.
6648         (version_script_push_lang): Change language string to
6649         Version_script_info::Language.
6650         * options.cc (Command_line::version_script): New function.
6651         * options.h (class General_options): Add finalize_dynamic_list
6652         function.  Change version_script from declaration to definition.
6653         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6654         * testsuite/version_script.map: Remove duplicate def of foo.
6655         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6656         version_script.map.
6657         * testsuite/Makefile.in: Rebuild.
6658
6659 2009-12-30  Ian Lance Taylor  <iant@google.com>
6660
6661         PR 10843
6662         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6663         if the input symbol index is 0, make the output symbol index 0.
6664
6665 2009-12-30  Ian Lance Taylor  <iant@google.com>
6666
6667         PR 10670
6668         * options.h (class General_options): Add -x/--discard-all.
6669         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6670         --discard-all.  If the local symbol needs a dynamic entry, check
6671         that before handling --discard-locals.
6672
6673 2009-12-30  Ian Lance Taylor  <iant@google.com>
6674
6675         PR 10450
6676         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6677         flags to PF_R.
6678         (Output_segment::add_output_section): Don't change the flags if
6679         the type is PT_TLS.
6680
6681         PR 10450
6682         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6683         GNU hash table if they need a dynamic value.  Otherwise, don't add
6684         them if they are defined in a dynamic object or are forced local.
6685
6686 2009-12-29  Ian Lance Taylor  <iant@google.com>
6687
6688         PR 10450
6689         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6690         .gnu.hash table for a 32-bit target.
6691
6692         PR 10450
6693         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6694         regular and a dynamic object only needs a dynamic symbol table
6695         entry if it is externally visible.
6696
6697         PR 10450
6698         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6699         constructor.  Add global_offset_table_ field.
6700         (Target_i386::got_section): Set global_offset_table_.
6701         (Target_i386::do_finalize_sections): Set global_offset_table_
6702         size.
6703         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6704         in constructor.  Add global_offset_table_ field.
6705         (Target_x86_64::got_section): Set global_offset_table_.
6706         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6707         size.
6708
6709         * layout.cc (Layout::Layout): Initialize increase_relro_.
6710         (Layout::get_output_section): Add is_relro, is_last_relro, and
6711         is_first_non_relro parameters.  Change all callers.
6712         (Layout::choose_output_section): Likewise.
6713         (Layout::add_output_section_data): Likewise.
6714         (Layout::make_output_section): Likewise.
6715         (Layout::set_segment_offsets): Clear increase_relro when using a
6716         linker script.
6717         * layout.h (class Layout): Add increase_relro method.  Add
6718         increase_relro_ field.  Update declarations.
6719         * output.cc (Output_section::Output_section): Initialize
6720         is_last_relro_ and is_first_non_relro_.
6721         (Output_segment::add_output_section): Group relro sections is
6722         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6723         (Output_segment::maximum_alignment): Remove relro handling.
6724         (Output_segment::set_section_addresses): Add increase_relro
6725         parameter.  Change all callers.  Add initial alignment to align
6726         relro sections on separate page.  Remove old relro handling.
6727         (Output_segment::set_section_list_addresses): Remove in_relro
6728         parameter.  Change all callers.
6729         (Output_segment::set_offset): Add increase parameter.  Change all
6730         callers.  Remove old relro handling.
6731         * output.h (class Output_section): Add new methods: is_last_relro,
6732         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6733         Add is_last_relro_ and is_first_non_relro_ fields.
6734         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6735         Create separate .got.plt section.  Call increase_relro.
6736         * x86_64.cc (Target_x86_64::got_section): Likewise.
6737         * testsuite/relro_script_test.t: Add .got.plt.
6738
6739         PR 10450
6740         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6741         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6742         (Layout::finalize): Call set_dynamic_symbol_size.
6743         (Layout::set_dynamic_symbol_size): New function.
6744         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6745         set_dynamic_symbol_size.
6746
6747         PR 10450
6748         * output.h (class Output_section): Add is_entsize_zero_ field.
6749         * output.cc (Output_section::Output_section): Initialize
6750         is_entsize_zero_.
6751         (Output_section::set_entsize): If two different entsizes are
6752         requested, force it to zero.
6753         (Output_section::add_input_section): Set flags for .debug_str
6754         before updating section flags.  Set entsize.
6755         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6756         and SHF_STRING if all input sections have those flags.
6757
6758 2009-12-29   Rafael Espindola  <espindola@google.com>
6759
6760         * main.cc (main): Fix the sys time reporting.
6761         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6762         reporting.
6763
6764 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6765
6766         * options.cc (General_options::parse_version): Allow -v to exit
6767         without an error if there is nothing to link.
6768
6769 2009-12-29  Ian Lance Taylor  <iant@google.com>
6770
6771         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6772         using a version of gcc before 4.1.
6773         * configure: Rebuild.
6774
6775 2009-12-28  Chris Demetriou  <cgd@google.com>
6776
6777         * attributes.cc (Output_attributes_section_data::do_write): Use
6778         std::vector::front rather than std::vector::data.
6779
6780 2009-12-28  Ian Lance Taylor  <iant@google.com>
6781
6782         * symtab.h (class Symbol_table): Add enum Defined.
6783         * resolve.cc (Symbol_table::should_override): Add defined
6784         parameter.  Change all callers.  Test whether object is NULL
6785         before calling a method on it.
6786         (Symbol_table::report_resolve_problem): Add defined parameter.
6787         Change all callers.
6788         (Symbol_table::should_override_with_special): Likewise.
6789         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6790         parameter.  Change all callers.
6791         (Symbol_table::do_define_in_output_data): Likewise.
6792         (Symbol_table::define_in_output_segment): Likewise.
6793         (Symbol_table::do_define_in_output_segment): Likewise.
6794         (Symbol_table::define_as_constant): Likewise.
6795         (Symbol_table::do_define_as_constant): Likewise.
6796         * script.h (class Symbol_assignment): Add is_defsym parameter to
6797         constructor; change all callers.
6798         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6799         parameter.  Change all callers.  Add is_defsym_ field.
6800         (class Parser_closure): Add parsing_defsym parameter to
6801         constructor; change all callers.  Add parsing_defsym accessor
6802         function.  Add parsing_defsym_ field.
6803
6804 2009-12-28  Ian Lance Taylor  <iant@google.com>
6805
6806         * gold.cc (queue_middle_tasks): Fix formatting.
6807         * object.cc (Relobj::is_section_name_included): Likewise.
6808
6809 2009-12-23  Ian Lance Taylor  <iant@google.com>
6810
6811         * i386.cc (Target_i386::do_calls_non_split): Recognize
6812         -fsplit-stack prologue for a function with a static chain.
6813         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6814         -fsplit-stack prologue when using %r11.
6815
6816 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6817
6818         * options.cc (General_options::parse_version): Make -v continue and do
6819         the link like GNU ld does.
6820
6821 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6822
6823         * Makefile.am (CCFILES): Add timer.cc.
6824         (HFILES): Add timer.h.
6825         * configure.ac: Check for sysconf and times.
6826         * main.cc: include timer.h.
6827         (main): Use Timer instead of get_run_time.
6828         * timer.cc: New.
6829         * timer.h: New.
6830         * workqueue.cc: include timer.h.
6831         (Workqueue::find_and_run_task):
6832         Report user, sys and wall time.
6833         * Makefile.in: Regenerate.
6834         * config.in: Regenerate.
6835         * configure: Regenerate.
6836
6837 2009-12-16  Doug Kwan  <dougkwan@google.com>
6838
6839         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6840         sections.
6841         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6842         relaxed input sections.
6843         * output.cc (Output_section::find_relaxed_input_section): Change
6844         return type to Output_relaxed_input_section pointer.  Adjust code
6845         for new type of relaxed_input_section_map_.
6846         * output.h (Output_section::find_relaxed_input_section): Change
6847         return type to Output_relaxed_input_section pointer.
6848         (Output_section::Output_relaxed_input_section_by_input_section_map):
6849         New type.
6850         (Output_section::relaxed_input_section_map_): Change type to
6851         Output_section::Output_relaxed_input_section_by_input_section_map.
6852         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6853         input section.
6854
6855 2009-12-15  Ian Lance Taylor  <iant@google.com>
6856
6857         * layout.cc (Layout::create_shstrtab): Only write out after input
6858         sections if we are compressing debug sections.
6859
6860 2009-12-15  Ian Lance Taylor  <iant@google.com>
6861
6862         * archive.cc (Archive::add_symbols): Only look up a symbol without
6863         a version if there is, in fact, a version.
6864
6865 2009-12-14  Ian Lance Taylor  <iant@google.com>
6866
6867         Revert -Wshadow changes, all changes from:
6868         2009-12-11  Doug Kwan  <dougkwan@google.com>
6869         2009-12-11  Nick Clifton  <nickc@redhat.com>
6870         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6871
6872 2009-12-11  Doug Kwan  <dougkwan@google.com>
6873
6874         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6875         due to -Wshadow.
6876         * attributes.cc (Object_attribute::size): Ditto.
6877         (Attributes_section_data::size): Ditto.
6878         (Attributes_section_data::Attributes_section_data): Ditto.
6879         (Output_attributes_section_data::do_write): Ditto.
6880         * attributes.h (Object_attribute::set_type): Ditto.
6881         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6882
6883 2009-12-11  Nick Clifton  <nickc@redhat.com>
6884
6885         * archive.cc: Fix shadowed variable warnings.
6886         * arm.cc: Likewise.
6887         * compressed_output.cc: Likewise.
6888         * compressed_output.h: Likewise.
6889         * configure: Likewise.
6890         * dwarf_reader.cc: Likewise.
6891         * dynobj.cc: Likewise.
6892         * dynobj.h: Likewise.
6893         * ehframe.cc: Likewise.
6894         * ehframe.h: Likewise.
6895         * errors.cc: Likewise.
6896         * expression.cc: Likewise.
6897         * fileread.cc: Likewise.
6898         * fileread.h: Likewise.
6899         * freebsd.h: Likewise.
6900         * i386.cc: Likewise.
6901         * icf.cc: Likewise.
6902         * incremental.h: Likewise.
6903         * layout.cc: Likewise.
6904         * layout.h: Likewise.
6905         * mapfile.cc: Likewise.
6906         * merge.cc: Likewise.
6907         * merge.h: Likewise.
6908         * object.cc: Likewise.
6909         * object.h: Likewise.
6910         * options.h: Likewise.
6911         * output.cc: Likewise.
6912         * output.h: Likewise.
6913         * parameters.cc: Likewise.
6914         * plugin.cc: Likewise.
6915         * powerpc.cc: Likewise.
6916         * reduced_debug_output.cc: Likewise.
6917         * reduced_debug_output.h: Likewise.
6918         * reloc.cc: Likewise.
6919         * reloc.h: Likewise.
6920         * resolve.cc: Likewise.
6921         * script-sections.cc: Likewise.
6922         * script.cc: Likewise.
6923         * script.h: Likewise.
6924         * sparc.cc: Likewise.
6925         * symtab.cc: Likewise.
6926         * symtab.h: Likewise.
6927         * target-select.cc: Likewise.
6928         * target-select.h: Likewise.
6929         * token.h: Likewise.
6930         * workqueue.cc: Likewise.
6931         * workqueue.h: Likewise.
6932         * x86_64.cc: Likewise.
6933
6934 2009-12-10  Doug Kwan  <dougkwan@google.com>
6935
6936         * arm.cc (attributes.h): New include.
6937         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6938         (Arm_relobj::~Arm_relobj): Delete object pointed by
6939         attributes_section_data_.
6940         (Arm_relobj::attributes_section_data): New method definition.
6941         (Arm_relobj::attributes_section_data_): New data member declaration.
6942         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6943         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6944         attributes_section_data_.
6945         (Arm_dynobj::attributes_section_data): New method definition.
6946         (Arm_dynobj::attributes_section_data_): New data member declaration.
6947         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6948         initialization value of may_use_blx_ to false.
6949         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6950         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6951         object attributes to compute results instead of hard-coding.
6952         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6953         Target_arm::get_secondary_compatible_arch,
6954         Target_arm::set_secondary_compatible_arch
6955         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6956         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6957         New method declarations.
6958         (Target_arm::get_aeabi_object_attribute): New method definition.
6959         (Target_arm::attributes_section_data_): New data member declaration.
6960         (read_arm_attributes_section): New template definition.
6961         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6962         (Arm_dynobj::do_read_symbols): Ditto.
6963         (Target_arm::do_finalize_sections): Merge attributes sections from
6964         input.  Check for BLX use after attributes section merging.
6965         Fix __exidx_start and __exidx_end visibility.  Create an
6966         .ARM.attributes section if necessary.
6967         (Target_arm::get_secondary_compatible_arch,
6968         Target_arm::set_secondary_compatible_arch,
6969         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6970         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6971         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6972         New method definitions.
6973
6974 2009-12-09  Ian Lance Taylor  <iant@google.com>
6975
6976         * plugin.cc (Plugin::load): Don't cast from void* to a function
6977         pointer.
6978
6979 2009-12-09  Ian Lance Taylor  <iant@google.com>
6980
6981         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6982         information fields.
6983
6984 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6985
6986         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6987         Replace two_file_shared_1.so with two_file_shared_2.so.
6988         * testsuite/Makefile.in: Regenerated.
6989
6990 2009-12-08  Doug Kwan  <dougkwan@google.com>
6991
6992         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6993         (HFILES): Add attributes.h and int_encoding.h.
6994         * Makefile.in: Regenerate.
6995         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6996         function definitions to int_encoding.cc
6997         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6998         prototypes to int_encoding.h
6999         * reduced_debug_output.cc (int_encoding.h): New include.
7000         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7001         function definitions to int_encoding.cc
7002         (insert_into_vector, read_from_pointer): Move template definitions to
7003         int_encoding.h
7004         * attributes.cc: New file.
7005         * attributes.h: New file.
7006         * int_encoding.cc: New file.
7007         * int_encoding.h: New file.
7008
7009 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7010
7011         PR gold/11055
7012         * incremental-dump.cc (dump_incremental_inputs): New.
7013         (main): Use dump_incremental_inputs.
7014
7015 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7016
7017         PR gold/10893
7018         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7019         checking elfcpp::STT_FUNC.
7020         (Target_i386::Relocate::relocate): Likewise.
7021         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7022
7023         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7024         symbols from shared libraries into normal FUNC symbols.
7025
7026         * symtab.h (Symbol): Add is_func and use it.
7027
7028 2009-12-05  Doug Kwan  <dougkwan@google.com>
7029
7030         * arm.cc (Target_arm::arm_info): Initialize new fields
7031         attributes_section and attributes_vendor.
7032         * i386.cc (Target_i386::i386_info): Same.
7033         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7034         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7035         fields attributes_section and attributes_vendor.
7036         * sparc.cc (Target_sparc::sparc_info): Same.
7037         * target.h (Target::attributes_section, Target::attributes_vendor,
7038         Target::is_attributes_section, Target::attribute_arg_type,
7039         Target::attributes_order): New method definitions.
7040         (Target::Target_info::attributes_section,
7041         Target::Target_info::attributes_vendor): New fields.
7042         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7043         virtual method definitions.
7044         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7045         attributes_section and attributes_vendor.
7046         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7047
7048 2009-12-05  Doug Kwan  <dougkwan@google.com>
7049
7050         * arm.cc: Update comments about interworking and stub generation.
7051         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7052         considered as non-PIC.
7053         (Arm_relocate_functions::base_abs): Fix formatting.
7054         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7055         of function to use GOT entry address instead of offset.
7056         (Target_arm::Scan::global): Issue an error if a symbol would need a
7057         PLT does not get one because it is untyped.  Remove code to create
7058         dynamic symbols for relative branches.
7059         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7060         takes unsigned integer instead of boolean.
7061
7062 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7063
7064         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7065         (two_file_test_LDADD): Likewise.
7066         (common_test_1_LDADD): Likewise.
7067         (exception_test_LDADD) Likewise.
7068         (weak_test_LDADD): Likewise.
7069         (many_sections_test_LDADD): Likewise.
7070         (initpri1_LDADD): Likewise.
7071         (script_test_1_LDADD): Likewise.
7072         (script_test_2_LDADD): Likewise.
7073         (justsyms_LDADD): Likewise.
7074         (binary_test_LDADD): Likewise.
7075         (large_LDADD): Likewise.
7076         * testsuite/Makefile.in: Regenerated.
7077
7078 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7079
7080         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7081         (Symbol_table::override_with_special): Likewise.
7082         (Symbol_table::add_from_object): Likewise.
7083
7084 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7085
7086         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7087         Don't set the data_offset twice.
7088
7089 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7090
7091         * testsuite/Makefile.in: Regenerate.
7092
7093 2009-12-03  Doug Kwan  <dougkwan@google.com>
7094
7095         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7096         (Target_arm::do_finalize_sections): Add parameter for symbol table
7097         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7098         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7099         parameter for symbol table pointer.
7100         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7101         an additional parameter for a pointer to symbol table.
7102         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7103         parameter for a symbol table pointer.
7104         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7105         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7106         Ditto.
7107         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7108         parameter for a symbol table pointer.
7109
7110 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7111
7112         * incremental.cc (Incremental_inputs_header)
7113         (Incremental_inputs_header_write, Incremental_inputs_entry)
7114         (Incremental_inputs_entry_write): Move ...
7115         * incremental.h (Incremental_inputs_header)
7116         (Incremental_inputs_header_write, Incremental_inputs_entry)
7117         (Incremental_inputs_entry_write): here.
7118
7119 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7120
7121         * incremental.cc (make_sized_incremental_binary): Set the target.
7122         Error if it is incompatible.
7123         * output.h (Output_file): Add filename method.
7124
7125 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7126
7127         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7128         from the get_* methods.
7129
7130 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7131
7132         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7133         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7134         Write 0 for the data_offset of scripts.
7135
7136 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7137
7138         * testsuite/Makefile.am: Add the incremental_test.sh test.
7139         * testsuite/incremental_test.sh: New.
7140         * testsuite/incremental_test_1.c: New.
7141         * testsuite/incremental_test_2.c: New.
7142
7143 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7144
7145        * incremental-dump.cc (main): Fix typos.
7146
7147 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7148
7149         PR gold/11025
7150         * incremental-dump.cc (main): Use llu to print 64 bit values.
7151
7152 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7153             H.J. Lu  <hongjiu.lu@intel.com>
7154
7155         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7156         $(LIBDL).
7157         (incremental_dump_LDADD): Likewise.
7158         * Makefile.in: Regenerated.
7159
7160 2009-11-25  Doug Kwan  <dougkwan@google.com>
7161
7162         Revert:
7163
7164         2009-11-25  Doug Kwan  <dougkwan@google.com>
7165
7166                 * arm.cc (Target_arm::Target_arm): Move method definition
7167                 outside of class definition.  Add code to handle
7168                 --target1-rel, --target1-abs and --target2= options.
7169                 (Target_arm::get_reloc_reloc_type): Change method to be
7170                 non-static and const.
7171                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7172                 New data member declaration.
7173                 (Target_arm::Scan::local, Target_arm::Scan::global,
7174                 Target_arm::Relocate::relocate,
7175                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7176                 Adjust call to Target_arm::get_real_reloc_type.
7177                 (Target_arm::get_real_reloc_type): Use command line options
7178                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7179                 * options.h (--target1-rel, --target1-abs, --target2): New
7180                 ARM-only options.
7181
7182 2009-11-25  Doug Kwan  <dougkwan@google.com>
7183
7184         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7185         class definition.  Add code to handle --target1-rel, --target1-abs
7186         and --target2= options.
7187         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7188         and const.
7189         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7190         member declaration.
7191         (Target_arm::Scan::local, Target_arm::Scan::global,
7192         Target_arm::Relocate::relocate,
7193         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7194         call to Target_arm::get_real_reloc_type.
7195         (Target_arm::get_real_reloc_type): Use command line options to
7196         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7197         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7198         options.
7199
7200 2009-11-25  Doug Kwan  <dougkwan@google.com>
7201
7202         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7203         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7204         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7205         formatting.
7206         (Arm_relocate_functions::thm_call): Replace body with a call to
7207         Arm_relocate_functions::thumb_branch_common.
7208         (Arm_relocate_functions::thm_jump24,
7209         Arm_relocate_functions::thm_xpc22): New method definitions.
7210         (Arm_relocate_functions::thumb_branch_common): New method definition.
7211         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7212         operator.
7213         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7214         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7215
7216 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7217
7218         * Makefile.am: Build incremental-dump
7219         * Makefile.in: Regenerate.
7220         * incremental-dump.cc: New.
7221         * incremental.cc (Incremental_inputs_header_data,
7222         Incremental_inputs_entry_data): Move to incremental.h
7223         * incremental.h: (Incremental_inputs_header_data,
7224         Incremental_inputs_entry_data): Move from incremental.cc
7225
7226 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7227
7228         * incremental.cc (Incremental_inputs_header,
7229         Incremental_inputs_header_write, Incremental_inputs_entry,
7230         Incremental_inputs_entry_write): Add a typedef with the data type.
7231
7232 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7233
7234         * incremental.cc (Incremental_inputs_header,
7235         Incremental_inputs_header_write, Incremental_inputs_entry,
7236         Incremental_inputs_entry_write): Update comment about which
7237         type has the filed descriptions.
7238
7239 2009-11-15  Doug Kwan  <dougkwan@google.com>
7240
7241         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7242         (Arm_relocate_functions::arm_branch_common): Change method defintion
7243         in class definition to a method declaration and update list of formal
7244         parameters.
7245         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7246         Arm_relocation_functions::jump24): Adjust call to
7247         Arm_relocate_functions::arm_branch_common.  Update list of formal
7248         parameters.
7249         (Arm_relocate_functions::xpc25): New method definition.
7250         (Arm_relocate_functions::arm_branch_common): Move method defintion
7251         out from class definition.  Use stubs for mode-switching and extending
7252         branch ranges.
7253         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7254         specially.  Change code to enable use of stubs in ARM branches.
7255
7256 2009-11-10  Doug Kwan  <dougkwan@google.com>
7257
7258         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7259         in method declaration.
7260         (Target_arm::relocate_stub): New method declaration.
7261         (Target_arm::default_target): Change to return a pointer instead of
7262         a const reference.
7263         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7264         Target_arm::default_target.
7265         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7266         method definition.
7267         (Target_arm::relocate_section): Adjust view.
7268         (Target_arm::relocate_stub): New method definition.
7269
7270 2009-11-10  Doug Kwan  <dougkwan@google.com>
7271
7272         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7273         a format warning.
7274         * incremental.cc (open_incremental_binary): Initialized local
7275         variables to avoid warnings.
7276         * object.cc (make_elf_object): Ditto.
7277         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7278         a format warning.
7279
7280 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7281
7282         PR gold/10930
7283         * testsuite/plugin_test.c: Include "config.h".
7284
7285 2009-11-09  Doug Kwan  <dougkwan@google.com>
7286
7287         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7288         (arm_symbol_value): Remove.
7289         (Arm_relocate_functions::arm_branch_common,
7290         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7291         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7292         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7293         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7294         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7295         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7296         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7297         Arm_relocate_functions::thm_mobw_abs_nc,
7298         Arm_relocate_functions::thm_mov_abs,
7299         Arm_relocate_functions::movw_prel_nc,
7300         Arm_relocate_functions::thm_movt_abs,
7301         Arm_relocate_functions::movt_prel,
7302         Arm_relocate_functions::thm_movw_prel_nc,
7303         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7304         (Target_arm::Relocate::relocate): Only decompose address into two
7305         parts if relocation type uses the thumb-bit and pass the actual
7306         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7307         calls to methods in Arm_relocate_functions for this change.
7308
7309 2009-11-08  Ian Lance Taylor  <iant@google.com>
7310
7311         PR 10925
7312         * reloc.cc: Instantiate
7313         Sized_relobj::initialize_input_to_output_maps and
7314         Sized_relobj:free_input_to_output_maps.
7315
7316 2009-11-06  Ian Lance Taylor  <iant@google.com>
7317
7318         PR 10876
7319         * defstd.cc (in_segment): Set only_if_ref true for "end".
7320
7321 2009-11-06  Doug Kwan  <dougkwan@google.com>
7322
7323         * arm.cc (class Reloc_stub): Correct a comment.
7324         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7325         (Target_arm::scan_section_for_stubs): New method declaration.
7326         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7327         Change methods from private to protected.
7328         (Target_arm::do_may_relax): New method definition.
7329         (Target_arm::do_relax, Target_arm::group_sections,
7330         Target_arm::scan_reloc_for_stub,
7331         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7332         (Target_arm::arm_input_section_map_): New data member declaration.
7333         (Target_arm::scan_reloc_for_stub,
7334         Target_arm::scan_reloc_section_for_stubs,
7335         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7336         Target_arm::do_relax): New method definitions.
7337
7338 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7339
7340         * configure.ac: Check for (struct stat)::st_mtim
7341         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7342         * config.in: Regenerate.
7343         * configure: Regenerate.
7344
7345 2009-11-05  Ian Lance Taylor  <iant@google.com>
7346
7347         PR 10910
7348         * output.cc (Output_segment::add_output_section): Add missing
7349         return statement.
7350
7351 2009-11-04  Ian Lance Taylor  <iant@google.com>
7352
7353         PR 10880
7354         * object.h (class Object): Add is_needed and set_is_needed
7355         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7356         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7357         defined in a dynamic object and referenced by a regular object,
7358         set is_needed for the dynamic object.
7359         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7360         if the file is marked with as_needed and it is not needed.
7361
7362 2009-11-04  Ian Lance Taylor  <iant@google.com>
7363
7364         PR 10887
7365         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7366         tags if data is discarded by linker script.
7367         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7368         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7369         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7370         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7371
7372 2009-11-04  Ian Lance Taylor  <iant@google.com>
7373
7374         * layout.cc (Layout::get_output_section): Add is_interp and
7375         is_dynamic_linker_section parameters.  Change all callers.
7376         (Layout::choose_output_section): Likewise.
7377         (Layout::make_output_section): Likewise.
7378         (Layout::add_output_section_data): Add is_dynamic_linker_section
7379         parameter.  Change all callers.
7380         * layout.h (class Layout): Update declarations.
7381         * output.h (class Output_section): Add is_interp, set_is_interp,
7382         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7383         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7384         generate_code_fills_at_write_ to a bitfield.
7385         * output.cc (Output_section::Output_sections): Initialize new
7386         fields.
7387         (Output_segment::add_output_section): Add do_sort parameter.
7388         Change all callers.
7389
7390 2009-11-03  Ian Lance Taylor  <iant@google.com>
7391
7392         PR 10860
7393         * options.h (class General_options): Add --warn-common.
7394         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7395         merging two common symbols.
7396         (Symbol_table::should_override): Handle --warn-common when merging
7397         a common symbol with a defined symbol.  Use report_resolve_problem
7398         for multiple definitions.
7399         (Symbol_table::report_resolve_problem): New function.
7400         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7401
7402 2009-11-03  Doug Kwan  <dougkwan@google.com>
7403
7404         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7405         stub_factory_.
7406         (Target_arm::stub_factory): New method definition.
7407         (Target_arm::new_arm_input_section,
7408         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7409         Target_arm::reloc_uses_thumb_bit): New method declarations.
7410         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7411         New type definitions.
7412         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7413         member declarations.
7414         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7415         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7416         New method definitions.
7417
7418 2009-11-03  Ian Lance Taylor  <iant@google.com>
7419
7420         * options.h (class General_options): Add --warn_constructors.
7421
7422 2009-11-03  Ian Lance Taylor  <iant@google.com>
7423
7424         PR 10893
7425         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7426         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7427
7428 2009-11-03  Ian Lance Taylor  <iant@google.com>
7429
7430         PR 10895
7431         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7432         --msgid-bugs-address.
7433         (install-pdf): New target.
7434         (install-data_yes): Look up one directory to find mkinstalldirs.
7435
7436 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7437
7438         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7439         tree.
7440
7441 2009-10-30  Doug Kwan  <dougkwan@google.com>
7442
7443         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7444
7445 2009-10-30  Doug Kwan  <dougkwan@google.com>
7446
7447         * arm.cc (Stub_addend_reader): New struct template definition
7448         and partial specializations.
7449         (Stub_addend_reader::operator()): New method definition for a
7450         partially specialized template.
7451
7452 2009-10-30  Doug Kwan  <dougkwan@google.com>
7453
7454         * arm.cc (Arm_relobj::processor_specific_flags): New method
7455         definition.
7456         (Arm_relobj::do_read_symbols): New method declaration.
7457         (Arm_relobj::processor_specific_flags_): New data member declaration.
7458         (Arm_dynobj): New class definition.
7459         (Target_arm::do_finalize_sections): Add input_objects parameter.
7460         (Target_arm::do_adjust_elf_header): New method declaration.
7461         (Target_arm::are_eabi_versions_compatible,
7462         (Target_arm::merge_processor_specific_flags): New method declaration.
7463         (Target_arm::do_make_elf_object): New overloaded method definitions
7464         and declaration.
7465         (Arm_relobj::do_read_symbols): New method definition.
7466         (Arm_dynobj::do_read_symbols): Ditto.
7467         (Target_arm::do_finalize_sections): Add input_objects parameters.
7468         Merge processor-specific flags from all input objects.
7469         (Target_arm::are_eabi_versions_compatible,
7470         Target_arm::merge_processor_specific_flags,
7471         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7472         New method definitions.
7473         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7474         Input_objects pointer type parameter.
7475         * layout.cc (Layout::finalize): Pass input objects to target's.
7476         finalize_sections function.
7477         * output.cc (Output_file_header::do_sized_write): Set ELF file
7478         header's processor-specific flags.
7479         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7480         Input_objects pointer type parameter.
7481         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7482         * target.h (Input_objects): New forward class declaration.
7483         (Target::processor_specific_flags,
7484         Target::are_processor_specific_flags_sect): New method definitions.
7485         (Target::finalize_sections): Add input_objects parameter.
7486         (Target::Target): Initialize processor_specific_flags_ and
7487         are_processor_specific_flags_set_.
7488         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7489         parameter.
7490         (Target::set_processor_specific_flags): New method definition.
7491         (Target::processor_specific_flags_,
7492         Target::are_processor_specific_flags_set_): New data member
7493         declarations.
7494         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7495         Input_objects pointer type parameter.
7496
7497 2009-10-30  Doug Kwan  <dougkwan@google.com>
7498
7499         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7500
7501 2009-10-28  Ian Lance Taylor  <iant@google.com>
7502
7503         * object.h (class Relobj): Drop options parameter from
7504         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7505         do_scan_relocs, do_relocate.  Change all callers.
7506         (class Sized_relobj): Drop options parameters from
7507         do_gc_process_relocs, do_scan_relocs, do_relocate,
7508         do_relocate_sections, relocate_sections, emit_relocs_scan,
7509         emit_relocs_scan_reltype.  Change all callers.
7510         (struct Relocate_info): Remove options field and all references to
7511         it.
7512         * reloc.h (class Read_relocs): Remove options constructor
7513         parameter and options_ field.  Change all callers.
7514         (class Gc_process_relocs, class Scan_relocs): Likewise.
7515         (class Relocate_task): Likewise.
7516         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7517         all callers.
7518         (scan_relocatable_relocs): Likewise.
7519         * target.h (class Sized_target): Remove options parameter from
7520         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7521         all callers.
7522         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7523         callers.
7524         * arm.cc: Update functions to remove options parameters.
7525         * i386.cc: Likewise.
7526         * powerpc.cc: Likewise.
7527         * sparc.cc: Likewise.
7528         * x86_64.cc: Likewise.
7529         * testsuite/testfile.cc: Likewise.
7530
7531 2009-10-28  Doug Kwan  <dougkwan@google.com>
7532
7533         * arm.cc (Arm_relobj): New class definition.
7534         (Arm_relobj::scan_sections_for_stubs,
7535         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7536         New method definitions.
7537
7538 2009-10-28  Cary Coutant  <ccoutant@google.com>
7539
7540         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7541         (Plugin::cleanup_done_): New member.
7542         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7543         (Plugin_manager::cleanup_done_): Remove.
7544         (Plugin_manager::add_input_file): Edit error message.
7545         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7546         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7547
7548 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7549
7550         * fileread.cc: (File_read::View::~View): Use the new
7551         data_ownership_ filed.
7552         (File_read::~File_read): Dispose the new whole_file_view_.
7553         (File_read::open): Mmap the whole file if needed.
7554         (File_read::open): Use whole_file_view_ instead of contents_.
7555         (File_read::find_view): Use whole_file_view_ if applicable.
7556         (File_read::do_read): Use whole_file_view_ instead of contents_.
7557         (File_read::make_view): Use whole_file_view_ instead of contents_,
7558         update File_read::View::View call.
7559         (File_read::find_or_make_view): Update File_read::View::View
7560         call.
7561         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7562         remove contents_
7563         (File_read::View::Data_ownership): New enum.
7564         (File_read::View::View): Replace bool mapped_ with Data_ownership
7565         argument.
7566         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7567         (File_read::View::data_ownership_): New field.
7568         (File_read::contents_): Remove (replaced by whole_file_view_).
7569         (File_read::whole_file_view_): New field.
7570         * options.h (class General_options): Add --keep-files-mapped.
7571
7572 2009-10-27  Cary Coutant  <ccoutant@google.com>
7573
7574         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7575         * testsuite/Makefile.am (plugin_test_5): New test case.
7576         * testsuite/Makefile.in: Regenerate.
7577
7578 2009-10-25  Doug Kwan  <dougkwan@google.com>
7579
7580         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7581         from private to protected to allow access by child class.
7582         (Sized_relobj::do_relocate_sections): New method declaration.
7583         (Sized_relobj::relocate_sections): Virtualize.
7584         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7585         Sized_relobj::relocate_sections.  Instantiate template explicitly
7586         for different target sizes and endianity.
7587
7588 2009-10-24  Doug Kwan  <dougkwan@google.com>
7589
7590         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7591         (Arm_input_section::as_arm_input_section): New method.
7592         (Arm_output_section): New class definition.
7593         (Arm_output_section::create_stub_group,
7594         Arm_output_section::group_sections): New method definitions.
7595
7596 2009-10-22  Doug Kwan  <dougkwan@google.com>
7597
7598         * arm.cc (Arm_input_section): New class definition.
7599         (Arm_input_section::init, Arm_input_section:do_write,
7600         Arm_input_section::set_final_data_size,
7601         Arm_input_section::do_reset_address_and_file_offset): New method
7602         definitions.
7603
7604 2009-10-21  Doug Kwan  <dougkwan@google.com>
7605
7606         * arm.cc (Stub_table, Arm_input_section): New forward class
7607         declarations.
7608         (Stub_table): New class defintion.
7609         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7610         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7611         New method definition.
7612
7613 2009-10-21  Doug Kwan  <dougkwan@google.com>
7614
7615         * arm.cc: Update copyright comments.
7616         (Target_arm): New forward class template declaration.
7617         (Arm_address): New type.
7618         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7619         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7620         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7621         constants.
7622         (Insn_template): Same.
7623         (DEF_STUBS): New macro.
7624         (Stub_type): New enum type.
7625         (Stub_template): New class definition.
7626         (Stub): Same.
7627         (Reloc_stub): Same.
7628         (Stub_factory): Same.
7629         (Target_arm::Target_arm): Initialize may_use_blx_ and
7630         should_force_pic_veneer_.
7631         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7632         Target_arm::should_force_pic_veneer,
7633         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7634         Target_arm::using_thumb_only, Target_arm:;default_target): New
7635         method defintions.
7636         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7637         New data member declarations.
7638         (Insn_template::size, Insn_template::alignment): New method defintions.
7639         (Stub_template::Stub_template): New method definition.
7640         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7641         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7642         (Stub_factory::Stub_factory): New method definition.
7643         * gold.h (string_hash): New template.
7644         * output.h (Input_section_specifier::hash_value): Use
7645         gold::string_hash.
7646         (Input_section_specifier::string_hash): Remove.
7647         * stringpool.cc (Stringpool_template::string_hash): Use
7648         gold::string_hash.
7649
7650 2009-10-20  Doug Kwan  <dougkwan@google.com>
7651
7652         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7653         symbols of relaxed input sections.
7654         * output.h (Output_section::find_relaxed_input_section): Make
7655         method public.
7656
7657 2009-10-16  Doug Kwan  <dougkwan@google.com>
7658
7659         * dynobj.cc (Versions::Versions): Initialize version_script_.
7660         Only insert base version symbol definition for a shared object
7661         if version script defines any version versions.
7662         (Versions::define_base_version): New method definition.
7663         (Versions::add_def): Check that base version is not needed.
7664         (Versions::add_need): Define base version lazily.
7665         * dynobj.h (Versions::define_base_version): New method declaration.
7666         (Versions::needs_base_version_): New data member declaration.
7667         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7668         (check_DATA): Add no_version_test.stdout.
7669         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7670         New make rules.
7671         * testsuite/Makefile.in: Regenerate.
7672         * testsuite/no_version_test.c: New file.
7673         * testsuite/no_version_test.sh: Ditto.
7674
7675 2009-10-16  Doug Kwan  <dougkwan@google.com>
7676
7677         * expression.cc (class Segment_start_expression): New class definition.
7678         (Segment_start_expression::value): New method definition.
7679         (script_exp_function_segment_start): Return a new
7680         Segment_start_expression.
7681         * gold/script-c.h (script_saw_segment_start_expression): New function
7682         prototype.
7683         * script-sections.cc (Script_sections::Script_sections): Initialize
7684         SAW_SEGMENT_START_EXPRESSION_ to false.
7685         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7686         and -Tbbs options to specify section addresses if given in
7687         command line and no SEGMENT_START expression is seen in a script.
7688         * script-sections.h (Script_sections::saw_segment_start_expression,
7689         Script_sections::set_saw_segment_start_expression): New method
7690         definition.
7691         (Script_sections::saw_segment_start_expression_): New data member
7692         declaration.
7693         * script.cc (script_saw_segment_start_expression): New function.
7694         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7695         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7696         script_test_7.sh and script_test_8.sh.
7697         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7698         script_test_8.stdout.
7699         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7700         (script_test_6, script_test_6.stdout, script_test_7,
7701         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7702         * Makefile.in: Regenerate.
7703         * testsuite/script_test_6.sh: New file.
7704         * testsuite/script_test_6.t: Same.
7705         * testsuite/script_test_7.sh: Same.
7706         * testsuite/script_test_7.t: Same.
7707         * testsuite/script_test_8.sh: Same.
7708
7709 2009-10-16  Doug Kwan  <dougkwan@google.com>
7710
7711         * output.cc (Output_segment::set_section_list_address): Cast
7712         expressions to unsigned long long type to avoid format warnings.
7713
7714 2009-10-15  Ian Lance Taylor  <iant@google.com>
7715
7716         * script.cc (Script_options::add_symbol_assignment): Always add a
7717         dot assignment to script_sections_.
7718         * script-sections.cc (Script_sections::add_dot_assignment):
7719         Initialize if necessary.
7720
7721         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7722         program headers with no load segment if there is a linker script.
7723
7724         * layout.cc (Layout::set_segment_offsets): Align the file offset
7725         to the segment aligment for -N or -n with no load segment.
7726         * output.cc (Output_segment::add_output_section): Don't crash if
7727         the first section is a TLS section.
7728         (Output_segment::set_section_list_addresses): Print an error
7729         message if the address moves backward in a linker script.
7730         * script-sections.cc
7731         (Output_section_element_input::set_section_addresses): Don't
7732         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7733         (Orphan_output_section::set_section_addresses): Likewise.
7734
7735 2009-10-15  Doug Kwan  <dougkwan@google.com>
7736
7737         * layout.cc (Layout::finish_dynamic_section): Generate tags
7738         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7739         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7740         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7741
7742 2009-10-14  Ian Lance Taylor  <iant@google.com>
7743
7744         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7745         fields.
7746         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7747         data_shdr fields of relinfo.
7748         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7749         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7750         R_386_TLS_LDO_32, adjust based on section flags.
7751         (Target_i386::Relocate::fix_up_ldo): Remove.
7752
7753 2009-10-13  Ian Lance Taylor  <iant@google.com>
7754
7755         Add support for -pie.
7756         * options.h (class General_options): Add -pie and
7757         --pic-executable.
7758         (General_options::output_is_position_independent): Test -pie.
7759         (General_options::output_is_executable): Return true if not shared
7760         and not relocatable.
7761         (General_options::output_is_pie): Remove.
7762         * options.cc (General_options::finalize): Reject incompatible uses
7763         of -pie.
7764         * gold.cc (queue_middle_tasks): A -pie link is not static.
7765         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7766         * symtab.cc (Symbol::final_value_is_known): Return false if
7767         output_is_position_independent.
7768         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7769         output_is_position_independent.
7770         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7771         output_is_position_independent.
7772         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7773         output_is_position_independent.
7774         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7775         two_file_pie_test.
7776         (basic_pie_test.o, basic_pie_test): New targets.
7777         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7778         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7779         (two_file_pie_test): New target.
7780         * testsuite/Makefile.in: Rebuild.
7781         * README: Remove note saying that -pie is not supported.
7782
7783 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7784
7785         * options.h (class General_options): Add -init and -fini.
7786         * layout.cc (Layout::finish_dynamic_section): Emit
7787         given init and fini functions.
7788
7789 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7790
7791         * gc.h (gc_process_relocs): Check if icf is enabled using new
7792         function.
7793         * gold.cc (queue_initial_tasks): Likewise.
7794         (queue_middle_tasks): Likewise.
7795         * object.cc (do_layout): Likewise.
7796         * symtab.cc (is_section_folded): Likewise.
7797         * main.cc (main): Likewise.
7798         * reloc.cc (Read_relocs::run): Likewise.
7799         (Sized_relobj::do_scan_relocs): Likewise.
7800         * icf.cc (is_function_ctor_or_dtor): New function.
7801         (Icf::find_identical_sections): Check if function is ctor or dtor when
7802         safe icf is chosen.
7803         * options.h (General_options::icf): Change option to be an enum.
7804         (Icf_status): New enum.
7805         (icf_enabled): New method.
7806         (icf_safe_folding): New method.
7807         (set_icf_status): New method.
7808         (icf_status_): New variable.
7809         * (options.cc) (General_options::finalize): Set icf_status_.
7810         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7811         icf_test and icf_keep_unique_test to use the --icf enum flag.
7812         * testsuite/icf_safe_test.sh: New file.
7813         * testsuite/icf_safe_test.cc: New file.
7814
7815 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7816
7817         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7818         includes to gc.h and icf.h.
7819         * arm.cc: Include gc.h.
7820         * gold.cc: Likewise.
7821         * i386.cc: Likewise.
7822         * powerpc.cc: Likewise.
7823         * sparc.cc: Likewise.
7824         * x86_64.cc: Likewise.
7825         * gc.h: Include icf.h.
7826
7827 2009-10-11  Ian Lance Taylor  <iant@google.com>
7828
7829         * plugin.cc: Include "gold.h" before other header files.
7830
7831 2009-10-10  Chris Demetriou  <cgd@google.com>
7832
7833         * options.h (Input_file_argument::Input_file_type): New enum.
7834         (Input_file_argument::is_lib_): Replace with...
7835         (Input_file_argument::type_): New member.
7836         (Input_file_argument::Input_file_argument): Take Input_file_type
7837         'type' rather than boolean 'is_lib' as second argument.
7838         (Input_file_argument::is_lib): Use type_.
7839         (Input_file_argument::is_searched_file): New function.
7840         (Input_file_argument::may_need_search): Handle is_searched_file.
7841         * options.cc (General_options::parse_library): Support -l:filename.
7842         (General_options::parse_just_symbols): Update for Input_file_argument
7843         changes.
7844         (Command_line::process): Likewise.
7845         * archive.cc (Archive::get_file_and_offset): Likewise.
7846         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7847         * script.cc (read_script_file, script_add_file): Likewise.
7848         * fileread.cc (Input_file::Input_file): Likewise.
7849         (Input_file::will_search_for): Handle is_searched_file.
7850         (Input_file::open): Likewise.
7851         * readsyms.cc (Read_symbols::get_name): Likewise.
7852         * testsuite/Makefile.am (searched_file_test): New test.
7853         * testsuite/Makefile.in: Regenerate.
7854         * testsuite/searched_file_test.cc: New file.
7855         * testsuite/searched_file_test_lib.cc: New file.
7856
7857 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7858             Ian Lance Taylor  <iant@google.com>
7859
7860         * descriptor.cc: Include <cstdio> and "binary-io.h".
7861         (Descriptors::open): Open the files in binary mode always.
7862         * script.cc (Lex::get_token): Treat \r as whitespace.
7863
7864 2009-10-09  Ian Lance Taylor  <iant@google.com>
7865
7866         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7867
7868 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7869             Ian Lance Taylor  <iant@google.com>
7870
7871         * configure.ac: Check for readv function also.
7872         * fileread.cc (readv): Define if not HAVE_READV.
7873         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7874         does not exist.
7875         * config.in: Regenerate.
7876         * configure: Regenerate.
7877
7878 2009-10-09  Doug Kwan  <dougkwan@google.com>
7879
7880         * layout.cc (Layout::make_output_section): Call target hook to make
7881         ordinary output section.
7882         (Layout::finalize): Adjust parameter list of call the
7883         Target::may_relax().
7884         * layout.h (class Layout::section_list): New method.
7885         * merge.h (Output_merge_base::entsize): Change visibility to public.
7886         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7887         New methods.
7888         (Output_merge_string::do_is_string): New method.
7889         * object.cc (Sized_relobj::do_setup): renamed from
7890         Sized_relobj::set_up.
7891         * object.h (Sized_relobj::adjust_shndx,
7892         Sized_relobj::initializ_input_to_output_maps,
7893         Sized_relobj::free_input_to_output_maps): Change visibilities to
7894         protected.
7895         (Sized_relobj::setup): Virtualize.
7896         (Sized_relobj::do_setup): New method declaration.
7897         (Sized_relobj::invalidate_section_offset,
7898         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7899         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7900         * options.cc (parse_int): New function.
7901         * options.h (parse_int): New declaration.
7902         (DEFINE_int): New macro.
7903         (stub_group_size): New option.
7904         * output.cc (Output_section::Output_section): Initialize memebers
7905         merge_section_map_, merge_section_by_properties_map_,
7906         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7907         (Output_section::add_input_section): Handled deferred code-fill
7908         generation and remove an old comment.
7909         (Output_section::add_relaxed_input_section): New method definition.
7910         (Output_section::add_merge_input_section): Use merge section by
7911         properties map to speed to search.  Update merge section maps
7912         as appropriate.
7913         (Output_section::build_relaxation_map): New method definition.
7914         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7915         Same.
7916         (Output_section::relax_input_section): Renamed to
7917         Output_section::convert_input_sections_to_relaxed_sections and change
7918         interface to take a vector of pointers to relaxed sections.
7919         (Output_section::find_merge_section,
7920         Output_section::find_relaxed_input_section): New method definitions.
7921         (Output_section::is_input_address_mapped,
7922         Output_section::output_offset, Output_section::output_address):
7923         Use output section data maps to speed up searching.
7924         (Output_section::find_starting_output_address): Add comments.
7925         (Output_section::do_write,
7926         Output_section::write_to_postprocessing_buffer): Do code-fill
7927         generation as appropriate.
7928         (Output_section::get_input_sections): Invalidate relaxed input section
7929         map.
7930         (Output_section::restore_states): Adjust type of checkpoint .
7931         Invalidate relaxed input section map.
7932         * output.h (Output_merge_base): New class declaration.
7933         (Input_section_specifier): New class defintion.
7934         (class Output_relaxed_input_section) Change base class to
7935         Output_section_data_build.
7936         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7937         base class initializer.
7938         (Output_section::add_relaxed_input_section): New method declaration.
7939         (Output_section::Input_section): Change visibility to protected.
7940         (Output_section::Input_section::relobj,
7941         Output_section::Input_section::shndx): Handle relaxed input sections.
7942         Output_section::input_sections) Change visibility to protected.  Also
7943         define overload to return a non-const pointer.
7944         (Output_section::Merge_section_properties): New class defintion.
7945         (Output_section::Merge_section_by_properties_map,
7946         Output_section::Output_section_data_by_input_section_map,
7947         Output_section::Relaxation_map): New types.
7948         (Output_section::relax_input_section): Rename method to
7949         Output_section::convert_input_sections_to_relaxed_sections and change
7950         interface to take a vector of relaxed section pointers.
7951         (Output_section::find_merge_section,
7952         Output_section::find_relaxed_input_section,
7953         Output_section::build_relaxation_map,
7954         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7955         New method declarations.
7956         (Output_section::merge_section_map_
7957         Output_section::merge_section_by_properties_map_,
7958         Output_section::relaxed_input_section_map_,
7959         Output_section::is_relaxed_input_section_map_valid_,
7960         Output_section::generate_code_fills_at_write_): New data members.
7961         * script-sections.cc
7962         (Output_section_element_input::set_section_addresses): Call
7963         current_data_size and addralign methods of relaxed input sections.
7964         (Orphan_output_section::set_section_addresses): Call current_data_size
7965         and addralign methods of relaxed input sections.
7966         * symtab.cc (Symbol_table::compute_final_value): Extract template
7967         from the body of Symbol_table::sized_finalize_symbol.
7968         (Symbol_table::sized_finalized_symbol): Call
7969         Symbol_table::compute_final_value.
7970         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7971         (Symbol_table::compute_final_value): New templated method declaration.
7972         * target.cc (Target::do_make_output_section): New method defintion.
7973         * target.h (Target::make_output_section): New method declaration.
7974         (Target::relax): Add more parameters for input objects, symbol table
7975         and layout.  Adjust call to do_relax.
7976         (Target::do_make_output_section): New method declaration.
7977         (Target::do_relax): Add parameters for input objects, symbol table
7978         and layout.
7979
7980 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7981
7982         * pread.c: Include stdio.h.
7983
7984 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7985
7986         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7987         defined.
7988
7989 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7990
7991         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7992         Change read_shndx type to unsigned int.
7993         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7994         int.
7995         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7996         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7997         Change read_shndx type to unsigned int.
7998         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7999         int.
8000         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8001         * layout.cc (Layout::create_symtab_sections): Cast the result of
8002         local_symcount * symsize to off_t in the gold_assert.
8003
8004 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8005
8006         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8007         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8008         R_ARM_BASE_ABS.
8009         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8010         (Arm_relocate_functions::thm_abs5): New function.
8011         (Arm_relocate_functions::abs12): New function.
8012         (Arm_relocate_functions::abs16): New function.
8013         (Arm_relocate_functions::base_abs): New function.
8014         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8015         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8016         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8017         R_ARM_BASE_ABS.
8018         (Scan::global): Likewise.
8019         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8020         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8021         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8022         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8023         R_ARM_BASE_ABS.
8024
8025 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8026
8027         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8028         (Arm_relocate_functions::movt_prel): New function.
8029         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8030         (Arm_relocate_functions::thm_movt_prel): New function.
8031         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8032         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8033         (Scan::global, Relocate::relocate): Likewise.
8034         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8035
8036 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8037
8038         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8039         Incremental_checker.
8040         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8041         unsigned int.
8042         (class Incremental_inputs_header): New class.
8043         (Incremental_inputs_header_writer): Edit comment.
8044         (Incremental_inputs_entry): New class.
8045         (Incremental_inputs_entry_writer): Edit comment.
8046         (Sized_incremental_binary::do_find_incremental_inputs_section):
8047         Add *strtab_shndx parameter, fill it.
8048         (Sized_incremental_binary::do_check_inputs): New method.
8049         (Incremental_checker::can_incrementally_link_output_file): Use
8050         Sized_incremental_binary::check_inputs.
8051         (Incremental_inputs::report_command_line): Save command line in
8052         command_line_.
8053         * incremental.h:
8054         (Incremental_binary::find_incremental_inputs_section): New
8055         method.
8056         (Incremental_binary::do_find_incremental_inputs_section): Add
8057         strtab_shndx parameter.
8058         (Incremental_binary::do_check_inputs): New pure virtual method.
8059         (Sized_incremental_binary::do_check_inputs): Declare.
8060         (Incremental_checker::Incremental_checker): Add incremental_inputs
8061         parameter, use it to initialize incremental_inputs_.
8062         (Incremental_checker::incremental_inputs_): New field.
8063         (Incremental_checker::command_line): New method.
8064         (Incremental_checker::inputs): New method.
8065         (Incremental_checker::command_line_): New field.
8066
8067 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8068
8069         * incremental.cc: Include <cstdarg> and "target-select.h".
8070         (vexplain_no_incremental): New function.
8071         (explain_no_incremental): New function.
8072         (Incremental_binary::error): New method.
8073         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8074         method.
8075         (make_sized_incremental_binary): New function.
8076         (open_incremental_binary): New function.
8077         (can_incrementally_link_file): Add checks if output is ELF and has
8078         inputs section.
8079         * incremental.h: Include "elfcpp_file.h" and "output.h".
8080         (Incremental_binary): New class.
8081         (Sized_incremental_binary): New class.
8082         (open_incremental_binary): Declare.
8083         * object.cc (is_elf_object): Use
8084         elfcpp::Elf_recognizer::is_elf_file.
8085         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8086         * output.h (Output_file::filesize): New method.
8087
8088 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8089
8090         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8091         New function.
8092         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8093         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8094         function.
8095         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8096         function.
8097         (Arm_relocate_functions::movw_abs_nc): New function.
8098         (Arm_relocate_functions::movt_abs): New function.
8099         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8100         (Arm_relocate_functions::thm_movt_abs): New function.
8101         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8102         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8103         (Scan::global): Likewise.
8104         (Relocate::relocate): Likewise.
8105         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8106
8107 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8108
8109         * arm.cc (Arm_relocate_functions::got_prel) New function.
8110         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8111         (Relocate::relocate): Likewise.
8112         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8113
8114 2009-10-06  Ian Lance Taylor  <iant@google.com>
8115
8116         * options.h (class General_options): Define
8117         split_stack_adjust_size parameter.
8118         * object.h (class Object): Add uses_split_stack_ and
8119         has_no_split_stack_ fields.  Add uses_split_stack and
8120         has_no_split_stack accessor functions.  Declare
8121         handle_split_stack_section.
8122         (class Reloc_symbol_changes): Define.
8123         (class Sized_relobj): Define Function_offsets.  Declare
8124         split_stack_adjust, split_stack_adjust_reltype, and
8125         find_functions.
8126         * object.cc (Object::handle_split_stack_section): New function.
8127         (Sized_relobj::do_layout): Call handle_split_stack_section.
8128         * dynobj.cc (Sized_dynobj::do_layout): Call
8129         handle_split_stack_section.
8130         * reloc.cc (Sized_relobj::relocate_sections): Call
8131         split_stack_adjust for executable sections in split_stack
8132         objects.  Pass reloc_map to relocate_section.
8133         (Sized_relobj::split_stack_adjust): New function.
8134         (Sized_relobj::split_stack_adjust_reltype): New function.
8135         (Sized_relobj::find_functions): New function.
8136         * target-reloc.h: Include "object.h".
8137         (relocate_section): Add reloc_symbol_changes parameter.  Change
8138         all callers.
8139         * target.h (class Target): Add calls_non_split method.  Declare
8140         do_calls_non_split virtual method.  Declare match_view and
8141         set_view_to_nop.
8142         * target.cc: Include "elfcpp.h".
8143         (Target::do_calls_non_split): New function.
8144         (Target::match_view): New function.
8145         (Target::set_view_to_nop): New function.
8146         * gold.cc (queue_middle_tasks): Give an error if mixing
8147         split-stack and non-split-stack objects with -r.
8148         * i386.cc (Target_i386::relocate_section): Add
8149         reloc_symbol_changes parameter.
8150         (Target_i386::do_calls_non_split): New function.
8151         * x86_64.cc (Target_x86_64::relocate_section): Add
8152         reloc_symbol_changes parameter.
8153         (Target_x86_64::do_calls_non_split): New function.
8154         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8155         parameter.
8156         * powerpc.cc (Target_powerpc::relocate_section): Add
8157         reloc_symbol_changes parameter.
8158         * sparc.cc (Target_sparc::relocate_section): Add
8159         reloc_symbol_changes parameter.
8160         * configure.ac: Call AM_CONDITIONAL for the default target.
8161         * configure: Rebuild.
8162         * testsuite/Makefile.am (TEST_AS): New variable.
8163         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8164         (check_DATA): Add split_i386 and split_x86_64 files.
8165         (SPLIT_DEFSYMS): Define.
8166         (split_i386_[1234n].o): New targets.
8167         (split_i386_[124]): New targets.
8168         (split_i386_[1234r].stdout): New targets.
8169         (split_x86_64_[1234n].o): New targets.
8170         (split_x86_64_[124]): New targets.
8171         (split_x86_64_[1234r].stdout): New targets.
8172         (MOSTLYCLEANFILES): Add new executables.
8173         * testsuite/split_i386.sh: New file.
8174         * testsuite/split_x86_64.sh: New file.
8175         * testsuite/split_i386_1.s: New file.
8176         * testsuite/split_i386_2.s: New file.
8177         * testsuite/split_i386_3.s: New file.
8178         * testsuite/split_i386_4.s: New file.
8179         * testsuite/split_i386_n.s: New file.
8180         * testsuite/split_x86_64_1.s: New file.
8181         * testsuite/split_x86_64_2.s: New file.
8182         * testsuite/split_x86_64_3.s: New file.
8183         * testsuite/split_x86_64_4.s: New file.
8184         * testsuite/split_x86_64_n.s: New file.
8185         * testsuite/testfile.cc (Target_test): Update relocation_section
8186         function.
8187         * testsuite/Makefile.in: Rebuild.
8188
8189 2009-10-06  Ian Lance Taylor  <iant@google.com>
8190
8191         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8192         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8193         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8194         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8195         the address on ldo_addrs_.
8196         (Target_i386::Relocate::fix_up_ldo): New function.
8197
8198 2009-10-06   Rafael Espindola  <espindola@google.com>
8199
8200         * plugin.cc (add_input_library): New.
8201         (Plugin::load): Add add_input_library to tv.
8202         (Plugin_manager::add_input_file): Add the is_lib argument.
8203         (add_input_file): Update call to Plugin_manager::add_input_file.
8204         (add_input_library): New.
8205         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8206
8207 2009-09-30  Doug Kwan  <dougkwan@google.com>
8208
8209         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8210         symbol and call Symbol::may_need_copy_reloc to determine if
8211         a copy reloc is needed.
8212         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8213         nocopyreloc is given in command line.
8214         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8215         given in command line.
8216         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8217         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8218         of the removed Target_i386::may_need_copy_reloc.
8219         * options.h (copyreloc): New option with default value false.
8220         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8221         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8222         instead of the removed Target_powerpc::may_need_copy_reloc.
8223         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8224         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8225         instead of the removed Target_sparc::may_need_copy_reloc.
8226         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8227         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8228         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8229         instead of the removed Target_x86_64::may_need_copy_reloc.
8230
8231 2009-09-30  Ian Lance Taylor  <iant@google.com>
8232
8233         * object.h (class Object): Remove target_ field, and target,
8234         sized_target, and set_target methods.
8235         (Object::sized_target): Remove.
8236         (class Sized_relobj): Update declarations.  Remove sized_target.
8237         * object.cc (Sized_relobj::setup): Remove target parameter.
8238         Change all callers.
8239         (Input_objects::add_object): Don't do anything with the target.
8240         (make_elf_sized_object): Add punconfigured parameter.  Change all
8241         callers.  Set or test parameter target.
8242         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8243         Change all callers.
8244         * parameters.cc (Parameters::set_target): Change parameter type to
8245         be non-const.
8246         (Parameters::default_target): Remove.
8247         (set_parameters_target): Change parameter type to be non-const.
8248         (parameters_force_valid_target): New function.
8249         (parameters_clear_target): New function.
8250         * parameters.h (class Parameters): Update declarations.  Remove
8251         default_target method.  Add sized_target and clear_target
8252         methods.  Change target_ to be non-const.
8253         (set_parameters_target): Update declaration.
8254         (parameters_force_valid_target): Declare.
8255         (parameters_clear_target): Declare.
8256         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8257         as NULL if we aren't searching.
8258         (Add_symbols::run): Don't check for compatible target.
8259         * fileread.cc (Input_file::open_binary): Call
8260         parameters_force_valid_target.
8261         * gold.cc (queue_middle_tasks): Likewise.
8262         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8263         set_target on object.
8264         * dynobj.h (class Sized_dynobj): Update declarations.
8265         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8266         make_elf_object returns NULL.
8267         (Archive::include_member): Don't check whether object target is
8268         compatible.
8269         * output.cc (Output_section::add_input_section): Get target from
8270         parameters.
8271         (Output_section::relax_input_section): Likewise.
8272         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8273         parameters.
8274         (Sized_relobj::do_scan_relocs): Likewise.
8275         (Sized_relobj::relocate_sections): Likewise.
8276         * resolve.cc (Symbol_table::resolve): Likewise.
8277         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8278         parameter.  Change all callers.
8279         (Symbol_table::add_from_object): Get target from parameters.
8280         (Symbol_table::add_from_relobj): Don't check object target.
8281         (Symbol_table::add_from_dynobj): Likewise.
8282         (Symbol_table::define_special_symbol): Get target from
8283         parameters.
8284         * symtab.h (class Symbol_table): Update declaration.
8285         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8286         parameter.  Change all callers.  Clear parameter target.
8287         (Binary_test): Test target here.
8288         * testsuite/object_unittest.cc (gold_testsuite): Remove
8289         target_test_pointer parameter.  Change all callers.
8290         (Object_test): Test target here.
8291
8292 2009-09-26  Ian Lance Taylor  <iant@google.com>
8293
8294         * testsuite/initpri1.c: Don't try to use constructor priorities if
8295         compiling with gcc before 4.3.
8296
8297 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8298
8299         * testsuite/retain_symbols_file_test.sh (check_present): Change
8300         output file name to retain_symbols_file_test.stdout.
8301         (check_absent): Likewise.
8302
8303 2009-09-18  Craig Silverstein  <csilvers@google.com>
8304
8305         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8306         * options.cc: Include <cerrno> and <fstream>.
8307         (General_options::finalize): Parse -retain-symbols-file tag.
8308         * options.h: New flag.
8309         (General_options): New method should_retain_symbol, new
8310         variable symbols_to_retain.
8311         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8312         should_retain_symbol map.
8313         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8314         * testsuite/Makefile.in: Regenerate.
8315         * testsuite/retain_symbols_file_test.sh: New file.
8316
8317 2009-09-18  Nick Clifton  <nickc@redhat.com>
8318
8319         * po/es.po: Updated Spanish translation.
8320
8321 2009-09-17  Doug Kwan  <dougkwan@google.com>
8322
8323         * debug.h (DEBUG_RELAXATION): New constant.
8324         (DEBUG_ALL): Add DEBUG_RELAXATION.
8325         (debug_string_to_enum): Add relaxation debug option.
8326         * layout.cc
8327         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8328         Layout::Relaxation_debug_check::read_sections,
8329         Layout::Relaxation_debug_check::read_sections): New method definitions.
8330         (Layout::Layout): Initialize data members
8331         record_output_section_data_from_scrips_,
8332         script_output_section_data_list_ and relaxation_debug_check_.
8333         (Layout::save_segments, Layout::restore_segments,
8334         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8335         Layout::relaxation_loop_body): New method definitions.
8336         (Layout::finalize): Support relaxation.  Move section layout code to
8337         Layout::relaxation_loop_body.
8338         (Layout::set_asection_address_from_script): Move code for orphan
8339         section placement out.
8340         (Layout::place_orphan_sections_in_script): New method definition.
8341         * layout.h (Output_segment_headers, Output_file_header):
8342         New forward class declarations.
8343         (Layout::~Layout): Define.
8344         (Layout::new_output_section_data_from_script): New method definition.
8345         (Layout::place_orphan_sections_in_script): New method declaration.
8346         (Layout::Segment_states): New type declaration.
8347         (Layout::save_segments, Layout::restore_segments,
8348         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8349         Layout::relaxation_loop_body): New method declarations.
8350         (Layout::Output_section_data_list): New type declaration.
8351         (Layout::Relaxation_debug_check): New class definition.
8352         (Layout::record_output_section_data_from_script_,
8353         Layout::script_output_section_data_list_, Layout::segment_states_,
8354         Layout::relaxation_debug_check_): New data members.
8355         * output.cc: (Output_section_headers::do_size): New method definition.
8356         (Output_section_headers::Output_section_headers): Move size
8357         computation to Output_section_headers::do_size.
8358         (Output_segment_headers::do_size): New method definition.
8359         (Output_file_header::Output_file_header): Move size computation to
8360         Output_file_header::do_size and call it.
8361         (Output_file_header::do_size): New method definition.
8362         (Output_data_group::Output_data_group): Adjust call to
8363         Output_section_data.
8364         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8365         (Output_symtab_xindex::do_write): Add array bound check.
8366         (Output_section::Input_section::print_to_mapfile): Handle
8367         RELAXED_INPUT_SECTION_CODE.
8368         (Output_section::Output_section): Initialize data member checkpoint_.
8369         (Output_section::~Output_section): Delete checkpoint object pointed
8370         by checkpoint_.
8371         (Output_section::add_input_section): Always add an Input_section if
8372         relaxing.
8373         (Output_section::add_merge_input_section): Add assert.
8374         (Output_section::relax_input_section): New method definition.
8375         (Output_section::set_final_data_size): Set load address to zero for
8376         an unallocated section.
8377         (Output_section::do_address_and_file_offset_have_reset_values):
8378         New method definition.
8379         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8380         Handle relaxed input section.
8381         (Output_section::sort_attached_input_sections): Checkpoint input
8382         section list lazily.
8383         (Output_section::get_input_sections): Change type of input_sections to
8384         list of Simple_input_section pointers.  Checkpoint input section list
8385         lazily.  Also handle relaxed input sections.
8386         (Output_section::add_input_section_for_script): Take a reference to
8387         a Simple_input_section object instead of Relobj pointer and section
8388         index as parameter.  Handle relaxed input sections.
8389         (Output_section::save_states, Output_section::restore_states): New
8390         method definitions.
8391         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8392         (Output_data::is_data_size_fixed): New method definition.
8393         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8394         if it is fixed.
8395         (Output_data::address_and_file_offset_have_reset_values): New method
8396         definition.
8397         (Output_data::do_address_and_file_offset_have_reset_values): New method
8398         definition.
8399         (Output_data::set_data_size): Check that data size is not fixed.
8400         (Output_data::fix_data_size): New method definition.
8401         (Output_data::is_data_size_fixed_): New data member.
8402         (Output_section_headers::set_final_data_size): New method definition.
8403         (Output_section_headers::do_size): New method declaration.
8404         (Output_segment_headers::set_final_data_size): New method definition.
8405         (Output_segment_headers::do_size): New method declaration.
8406         (Output_file_header::set_final_data_size)::New method definition.
8407         (Output_file_header::do_size)::New method declaration.
8408         (Output_section_data::Output_section_data): Add new parameter
8409         is_data_size_fixed and use it to fix data size.
8410         (Output_data_const::Output_data_const): Adjust call to base class
8411         constructor and fix data size.
8412         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8413         base class constructor and fix data size.
8414         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8415         base class constructor and fix data size.
8416         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8417         class constructor and fix data size.
8418         (Output_data_group::set_final_data_size): New method definition.
8419         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8420         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8421         class constructor and fix data size.
8422         (Output_relaxed_input_section): New class definition.
8423         (Output_section::Simple_input_section): New class definition.
8424         (Output_section::get_input_sections): Adjust parameter list.
8425         (Output_section::add_input_section_for_script): Same.
8426         (Output_section::save_states, Output_section::restore_states,
8427         Output_section::do_address_and_file_offset_have_reset_values,
8428         (Output_section::Input_section::Input_section): Handle
8429         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8430         Output_relaxed_input_section.
8431         (Output_section::Input_section::is_input_section,
8432         Output_section::Input_section::set_output_section): Handle relaxed
8433         input section.
8434         (Output_section::Input_section::is_relaxed_input_section,
8435         Output_section::Input_section::output_section_data,
8436         Output_section::Input_section::relaxed_input_section): New method
8437         definitions.
8438         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8439         value.
8440         (Output_section::Input_section::u1_): Update comments.
8441         (Output_section::Input_section::u2_): Add new union member poris.
8442         (Output_section::Checkpoint_output_section): New classs definition.
8443         (Output_section::relax_input_section): New method declaration.
8444         (Output_section::checkpoint_): New data member.
8445         (Output_segment): Update comments.
8446         (Output_segment::Output_segment): Un-privatize copy constructor.
8447         (Output_segment::operator=): Un-privatize.
8448         * script-sections.cc (Output_section_element::Input_section_list):
8449         Change element type to Output_section::Simple_input_section.
8450         (Output_section_element_dot_assignment::set_section_addresses):
8451         Register output section data for relaxation clean up.
8452         (Output_data_exression::Output_data_expression): Adjust call to base
8453         constructor to fix data size.
8454         (Output_section_element_data::set_section_addresses): Register
8455         Output_data_expression object for relaxation clean up.
8456         (struct Input_section_info): Replace Relobj pointer and section index
8457         pair with Output_section::Simple_input_section and Convert struct to a
8458         class.
8459         (Input_section_sorter::operator()): Adjust access to
8460         Input_section_info data member to use accessors.
8461         (Output_section_element_input::set_section_addresses): Use layout
8462         parameter.  Adjust code to use Output_section::Simple_input_section
8463         and Input_secction_info classes.  Register filler for relaxation
8464         clean up.
8465         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8466         and section index pair with Output_section::Simple_input_section
8467         class.  Adjust code accordingly.
8468         (Phdrs_element::release_segment): New method definition.
8469         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8470         segment list.
8471         (Script_sections::release_segments): New method definition.
8472         * gold/script-sections.h (Script_sections::release_segments): New
8473         method declaration.
8474         * gold/target.h (Target::may_relax, Target::relax,
8475         Target::do_may_relax, Target::do_relax): New method definitions.
8476
8477 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8478
8479         * arm.cc (has_signed_unsigned_overflow): New function.
8480         (Arm_relocate_functions::abs8): New function.
8481         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8482         (Target_arm::Scan::global): Likewise.
8483         (Target_arm::relocate::relocate): Likewise.
8484         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8485         Likewise.
8486
8487 2009-09-16  Cary Coutant  <ccoutant@google.com>
8488
8489         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8490         * testsuite/Makefile.in: Regenerate.
8491
8492 2009-09-11  Nick Clifton  <nickc@redhat.com>
8493
8494         * po/gold.pot: Updated by the Translation project.
8495
8496 2009-09-08  Cary Coutant  <ccoutant@google.com>
8497
8498         * output.cc (Output_file::open): Add execute permission to empty file.
8499         * testsuite/Makefile.am (permission_test): New test.
8500         * testsuite/Makefile.in: Regenerate.
8501
8502 2009-09-02  Ian Lance Taylor  <iant@google.com>
8503
8504         * output.cc (Output_file::resize): Call map_no_anonymous rather
8505         than map.
8506
8507 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8508
8509         * gold.cc: Include "incremental.h".
8510         (queue_initial_tasks): Call Incremental_checker methods.
8511         * incremental.cc: Include "output.h".
8512         (Incremental_checker::can_incrementally_link_output_file): New
8513         method.
8514         * incremental.h (Incremental_checker): New class.
8515
8516         * output.cc (Output_file::open_for_modification): New method.
8517         (Output_file::map_anonymous): Changed return type to bool.  Record
8518         map in base_ field.
8519         (Output_file::map_no_anonymous): New method, broken out of map.
8520         (Output_file::map): Use map_no_anonymous and map_anonymous.
8521         * output.h (class Output_file): Update declarations.
8522
8523 2009-08-24  Cary Coutant  <ccoutant@google.com>
8524
8525         * options.h (Command_line::Pre_options): New class.
8526         (Command_line::pre_options): New member.
8527         * options.cc (gold::options::ready_to_register): New variable.
8528         (One_option::register_option): Do nothing if not registering options.
8529         Assert if same short option registered twice.
8530         (General_options::General_options): Turn off option registration when
8531         done constructing.
8532         (Command_line::Pre_options::Pre_options): New constructor.
8533
8534 2009-08-24  Cary Coutant  <ccoutant@google.com>
8535
8536         * options.h (General_options::no_keep_memory): Remove incorrect
8537         short option.
8538
8539 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8540
8541         * Makefile.am (am__skiplex, am__skipyacc): New.
8542         * Makefile.in: Regenerate.
8543
8544 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8545
8546         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8547         (INCLUDES): ... this.
8548         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8549         (AM_CPPFLAGS): Renamed from ...
8550         (INCLUDE): ... this.
8551         * Makefile.in, testsuite/Makefile.in: Regenerate.
8552
8553         * Makefile.in: Regenerate.
8554         * aclocal.m4: Likewise.
8555         * config.in: Likewise.
8556         * configure: Likewise.
8557         * testsuite/Makefile.in: Likewise.
8558
8559         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8560         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8561         * Makefile.in: Regenerate.
8562         * testsuite/Makefile.in: Regenerate.
8563
8564 2009-08-19  Cary Coutant  <ccoutant@google.com>
8565
8566         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8567         symbols in shared libraries overridden by hidden or internal symbols
8568         in the main program.
8569
8570 2009-08-19  Chris Demetriou  <cgd@google.com>
8571
8572         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8573         checking source file names in error messages.
8574
8575 2009-08-18  Doug Kwan  <dougkwan@google.com>
8576
8577         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8578         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8579         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8580         an elfcpp::Ehdr as parameter.
8581         * object.cc (Object::set_target): Remove the version that looks up
8582         a target and sets it.
8583         (Sized_relobj::setup): Take a Target object instead of
8584         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8585         (make_elf_sized_object): Find target and ask target to
8586         make an ELF object.
8587         * object.h: (Object::set_target): Remove the version that looks up
8588         a target and sets it.
8589         (Sized_relobj::setup): Take a Target object instead of
8590         an elfcpp:Ehdr as parameter.
8591         * target.cc: Include dynobj.h.
8592         (Target::do_make_elf_object_implementation): New.
8593         (Target::do_make_elf_object): New.
8594         * target.h (Target::make_elf_object): New template declaration.
8595         (Target::do_make_elf_object): New method declarations.
8596         (Target::do_make_elf_object_implementation): New template declaration.
8597
8598 2009-08-14  Ian Lance Taylor  <iant@google.com>
8599
8600         * gold.h (FUNCTION_NAME): Define.
8601         (gold_unreachable): Use FUNCTION_NAME.
8602
8603 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8604
8605         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8606         symbol in the --keep-unique list is not found.
8607
8608 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8609
8610         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8611         been maked as --keep-unique.
8612         (Icf::unfold_section): New function.
8613         * icf.h (Icf::unfold_section): New function.
8614         * options.h (General_options::keep_unique): New option.
8615         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8616         * testsuite/Makefile.in: Regenerate.
8617         * testsuite/icf_keep_unique_test.sh: New file.
8618         * testsuite/icf_keep_unique_test.cc: New file.
8619
8620 2009-08-12  Cary Coutant  <ccoutant@google.com>
8621
8622         PR 10471
8623         * resolve.cc (Symbol_table::resolve): Check for references from
8624         dynamic objects to hidden and internal symbols.
8625         * testsuite/Makefile.am (hidden_test.sh): New test.
8626         * testsuite/Makefile.in: Regenerate.
8627         * testsuite/hidden_test.sh: New script.
8628         * testsuite/hidden_test_1.c: New test source.
8629         * testsuite/hidden_test_main.c: New test source.
8630
8631 2009-08-11  Doug Kwan  <dougkwan@google.com>
8632
8633         * arm.cc: Update comments.
8634         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8635         segment to locate the .ARM.exidx section if present.
8636
8637 2009-08-09  Doug Kwan  <dougkwan@google.com>
8638
8639         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8640         patch.
8641
8642 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8643         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8644         compiler warnings.
8645
8646 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8647
8648         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8649         valid tls_segment only for non-debug-section relocations.
8650         * testsuite/Makefile.am: Add gc_tls_test.
8651         * testsuite/Makefile.in: Regenerate.
8652         * testsuite/gc_tls_test.cc: New file.
8653         * testsuite/gc_tls_test.sh: New file.
8654
8655 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8656
8657         * icf.cc: New file.
8658         * icf.h: New file.
8659         * Makefile.am (CCFILES): Add icf.cc.
8660         (HFILES): Add icf.h
8661         * Makefile.in: Regenerate.
8662         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8663         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8664         section, symbol and addend information for the relocs.
8665         * gold.cc (queue_middle_tasks): Call identical code folding.
8666         * gold.h: Add defines for multimap.
8667         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8668         to the call of finalize_local_symbols.
8669         * main.cc (main): Create object of class Icf.
8670         * object.cc (Sized_relobj::do_layout): Allow this function to be
8671         called twice during icf.
8672         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8673         to sections marked as identical by icf.
8674         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8675         when available.
8676         (Sized_relobj::do_section_entsize): New function.
8677         * object.h (Object::section_entsize): New function.
8678         (Object::do_section_entsize): New pure virtual function.
8679         (Relobj::finalize_local_symbols): Add new parameter.
8680         (Relobj::do_section_entsize): New function.
8681         * options.h (General_options::icf): New option.
8682         (General_options::icf_iterations): New option.
8683         (General_options::print_icf_sections): New option.
8684         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8685         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8686         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8687         icf.
8688         * symtab.cc (Symbol_table::is_section_folded): New function.
8689         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8690         to sections marked as identical by icf.
8691         * symtab.h (Symbol_table::set_icf): New function.
8692         (Symbol_table::icf): New function.
8693         (Symbol_table::is_section_folded): New function.
8694         (Symbol_table::icf_): New data member.
8695         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8696         * testsuite/Makefile.am: Add commands to build icf_test.
8697         * testsuite/Makefile.in: Regenerate.
8698         * testsuite/icf_test.sh: New file.
8699         * testsuite/icf_test.cc: New file.
8700
8701 2009-07-24  Chris Demetriou  <cgd@google.com>
8702
8703         * layout.cc (is_compressible_debug_section): Fix incorrect
8704         comment about compressed section names.
8705
8706 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8707
8708         PR 10419
8709         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8710
8711 2009-07-16  Ian Lance Taylor  <iant@google.com>
8712
8713         PR 10400
8714         * layout.h: #include <map>.
8715         (class Kept_section): Change from struct to class.  Add accessors
8716         and setters.  Add section size to Comdat_group mapping.  Change
8717         Comdat_group to std::map.  Add is_comdat_ field.  Add
8718         linkonce_size field in union.
8719         (class Layout): Update declaration of find_or_add_kept_section.
8720         Don't declare find_kept_object.
8721         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8722         parameter.  Add object, shndx, is_comdat, and is_group_name
8723         parameters.  Change all callers.  Adjust for new Kept_section.
8724         (Layout::find_kept_object): Remove.
8725         * object.cc (Sized_relobj::include_section_group): Update use of
8726         Kept_section.  Rename secnum to shndx.  Only record
8727         Kept_comdat_section if sections are the same size.
8728         (Sized_relobj::include_linkonce_section): Update use of
8729         Kept_section.  Only record Kept_comdat_section if sections are the
8730         same size.  Set size of linkonce section.
8731         (Sized_relobj::map_to_kept_section): Update call to
8732         get_kept_comdat_section.
8733         * object.h (class Sized_relobj): Rename fields in
8734         Kept_comdat_section to drop trailing underscores; change object
8735         field to Relobj*.  Change Kept_comdat_section_table to store
8736         struct rather than pointer.
8737         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8738         Add kept_object and kept_shndx parameters.  Change all callers.
8739         (Sized_relobj::get_kept_comdat_section): Change return type to
8740         bool.  Add kept_object and kept_shndx parameters.  Change all
8741         callers.
8742         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8743         Layout::find_or_add_kept_section.
8744
8745 2009-07-09  Ian Lance Taylor  <iant@google.com>
8746
8747         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8748         Reserve space in the hash table.
8749
8750 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8751
8752         * fileread.cc (File_read::get_mtime): New method.
8753         * fileread.h (Timespec): New structure.
8754         (File_read::get_mtime): New method.
8755         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8756         Renamed from timestamp_nsec.
8757         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8758         Elf_Xword.
8759         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8760         timestamp_nsec.
8761         (Incremental_inputs::report_archive): Save mtime; style fix.
8762         (Incremental_inputs::report_obejct): Save mtime; style fix.
8763         (Incremental_inputs::report_script): Save mtime; style fix.
8764         (Incremental_inputs::finalize_inputs): Style fix.
8765         (Incremental_inputs::finalize): Style fix.
8766         (Incremental_inputs::create_input_section_data): Store inputs
8767         mtime.
8768         * incremental.h (Incremental_inputs::report_script): Add mtime
8769         argument.
8770         (Incremental_inputs::Input_info::Input_info): Intialize only one
8771         union member.
8772         (Incremental_inputs::Input_info::archive): Move to nameless
8773         union.
8774         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8775         (Incremental_inputs::Input_info::script): Move to nameless union.
8776         (Incremental_inputs::mtime): New field.
8777         * script.cc (read_input_script): Pass file mtime to
8778         Incremental_input.
8779         * script.h (Script_info::inputs): Style fix.
8780
8781 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8782
8783         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8784         instead of 32.
8785
8786 2009-06-24  Ian Lance Taylor  <iant@google.com>
8787
8788         PR 10156
8789         * layout.cc (Layout::choose_output_section): If we find an
8790         existing section, update the flags.
8791         (Layout::create_notes): New function, broken out of
8792         Layout::finalize.
8793         (Layout::finalize): Don't create note sections.
8794         (Layout::create_note): Don't crash if linker script discards
8795         section.
8796         (Layout::create_gold_note): Likewise.
8797         (Layout::create_build_id): Likewise.  Don't set
8798         after_input_sections on the section.
8799         (Layout::create_executable_stack_info): Remove target parameter.
8800         Change caller.
8801         * layout.h (class Layout): Declare create_notes.  Update
8802         declaration of create_executable_stack_info.
8803         * gold.cc (queue_middle_tasks): Call create_notes.
8804         * output.cc (Output_section::update_flags_for_input_section): Move
8805         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8806         invalid.
8807         * output.h (Output_data::mark_address_invalid): New function.
8808         (class Output_section): Only declare, not define,
8809         update_flags_for_input_section.  Remove set_flags.
8810
8811 2009-06-24  Ian Lance Taylor  <iant@google.com>
8812
8813         * script-sections.cc (Output_section_definition::
8814         set_section_addresses): Rename shadowing local load_address to
8815         laddr.
8816
8817 2009-06-24  Ian Lance Taylor  <iant@google.com>
8818
8819         PR 10244
8820         * reloc.cc (relocate_sections): Skip empty relocation sections.
8821
8822 2009-06-23  Ian Lance Taylor  <iant@google.com>
8823
8824         PR 10156
8825         * layout.cc (Layout::create_note): Use choose_output_section
8826         rather than make_output_section.
8827
8828 2009-06-23  Ian Lance Taylor  <iant@google.com>
8829
8830         PR 10237
8831         * options.cc (General_options::parse_V): Set printed_version_.
8832         (General_options::General_options): Initialize printed_version_.
8833         * options.h (class General_options): Add printed_version_ field.
8834         * gold.cc (queue_initial_tasks): If there are no input files,
8835         don't give a fatal error if we printed the version information.
8836         (queue_middle_tasks): If using -r with a shared object, give a
8837         fatal error rather than an ordinary error.
8838
8839 2009-06-23  Ian Lance Taylor  <iant@google.com>
8840
8841         PR 10219
8842         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8843         (Layout::make_output_section): Set have_stabstr_section_ if we see
8844         a .stab*str section.
8845         (Layout::finalize): Call link_stabs_sections.
8846         (Layout::link_stabs_sections): New file.
8847         * layout.h (class Layout): Add have_stabstr_section_ field.
8848         Declare link_stabs_sections.
8849
8850 2009-06-23  Doug Kwan  <dougkwan@google.com>
8851
8852         * Makefile.am (libgold_a_LIBADD): New.
8853         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8854         * Makefile.in: Regenerate.
8855         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8856         * configure: Regenerate.
8857         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8858         * fileread.cc: Include sys/state.h
8859         * gold.h: Declare memmem and strndup if found missing.
8860         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8861
8862 2009-06-23  Ian Lance Taylor  <iant@google.com>
8863
8864         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8865         * configure: Rebuild.
8866
8867 2009-06-23  Ian Lance Taylor  <iant@google.com>
8868
8869         PR 10147
8870         * object.cc (Object::section_contents): Don't try to get a view if
8871         the section has length zero.
8872         (Object::handle_gnu_warning_section): If the section is empty, use
8873         the name of the section as the warning.
8874
8875 2009-06-23  Ian Lance Taylor  <iant@google.com>
8876
8877         PR 10133
8878         * stringpool.h (class Stringpool_template): Add optimize_ field.
8879         (Stringpool_template::set_optimize): New function.
8880         * stringpool.cc (Stringpool_template::Stringpool_template):
8881         Initialize optimize_ field.
8882         (Stringpool_template::set_string_offsets): Test local optimize
8883         fild rather than parameter.
8884         * layout.cc (Layout::Layout): Call set_optimize on the section
8885         name stringpool.
8886
8887 2009-06-22  Ian Lance Taylor  <iant@google.com>
8888
8889         PR 10030
8890         * yyscript.y: Parse TARGET.
8891         * script.cc (script_set_target): New function.
8892         * script-c.h (script_set_target): Declare.
8893         * options.cc (General_options::string_to_object_format): Rename
8894         from string_to_object_format in anonymous namespace.  Change
8895         callers.
8896         * options.h (class General_options): Declare
8897         string_to_object_format.
8898
8899 2009-06-22  Ian Lance Taylor  <iant@google.com>
8900
8901         * script-sections.cc (Script_sections::create_segments): Don't put
8902         program headers in a PT_LOAD segment if -n or -N.
8903
8904 2009-06-22  Ian Lance Taylor  <iant@google.com>
8905
8906         PR 10141
8907         * options.h (class General_options): Add -z lazy and -z now.  Sort
8908         -z options into alphabetical order.
8909         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8910
8911 2009-06-21  Ian Lance Taylor  <iant@google.com>
8912
8913         * layout.cc (Layout::make_output_section): Call
8914         Target::new_output_section.
8915         (Layout::attach_allocated_section_to_segment): Put large section
8916         sections in a separate load segment with the large segment flag
8917         set.
8918         (Layout::segment_precedes): Sort large data segments after other
8919         load segments.
8920         (align_file_offset): New static function.
8921         (Layout::set_segment_offsets): Use align_file_offset.
8922         * output.h (class Output_section): Add is_small_section_ and
8923         is_large_section_ fields.
8924         (Output_section::is_small_section): New function.
8925         (Output_section::set_is_small_section):  New function.
8926         (Output_section::is_large_section): New function.
8927         (Output_section::set_is_large_section): New function.
8928         (Output_section::is_large_data_section): New function.
8929         (class Output_segment): Add is_large_data_segment_ field.
8930         (Output_segment::is_large_data_segment): New function.
8931         (Output_segment::set_is_large_data_segment): New function.
8932         * output.cc (Output_section::Output_section): Initialize new
8933         fields.
8934         (Output_segment::Output_segment): Likewise.
8935         (Output_segment::add_output_section): Add assertion that large
8936         data sections always go in large data segments.  Force small data
8937         sections to the end of the list of data sections.  Force small BSS
8938         sections to the start of the list of BSS sections.  For large BSS
8939         sections to the end of the list of BSS sections.
8940         * symtab.h (class Symbol): Declare is_common_shndx.
8941         (Symbol::is_defined): Check Symbol::is_common_shndx.
8942         (Symbol::is_common): Likewise.
8943         (class Symbol_table): Define enum Commons_section_type.  Update
8944         declarations.  Add small_commons_ and large_commons_ fields.
8945         * symtab.cc (Symbol::is_common_shndx): New function.
8946         (Symbol_table::Symbol_table): Initialize new fields.
8947         (Symbol_table::add_from_object): Put small and large common
8948         symbols in the right list.
8949         (Symbol_table::sized_finalized_symbol): Check
8950         Symbol::is_common_shndx.
8951         (Symbol_table::sized_write_globals): Likewise.
8952         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8953         common symbol lists.  Don't call do_allocate_commons_list if the
8954         list is empty.
8955         (Symbol_table::do_allocate_commons_list): Remove is_tls
8956         parameter.  Add comons_section_type parameter.  Change all
8957         callers.  Handle small and large common symbols.
8958         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8959         Symbol::is_common_shndx.
8960         * resolve.cc (symbol_to_bits): Likewise.
8961         * target.h (Target::small_common_shndx): New function.
8962         (Target::small_common_section_flags): New function.
8963         (Target::large_common_shndx): New function.
8964         (Target::large_common_section_flags): New function.
8965         (Target::new_output_section): New function.
8966         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8967         small_common_section_flags, and large_common_section_flags
8968         fields.
8969         (Target::do_new_output_section): New virtual function.
8970         * arm.cc (Target_arm::arm_info): Initialize new fields.
8971         * i386.cc (Target_i386::i386_info): Likewise.
8972         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8973         Likewise.
8974         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8975         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8976         (Target_x86_64::do_new_output_section): New function.
8977         * configure.ac: Define conditional MCMODEL_MEDIUM.
8978         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8979         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8980         (large_LDFLAGS): Define.
8981         * testsuite/large.c: New file.
8982         * testsuite/testfile.cc (Target_test::test_target_info):
8983         Initialize new fields.
8984         * configure, testsuite/Makefile.in: Rebuild.
8985
8986 2009-06-05  Doug Kwan  <dougkwan@google.com>
8987
8988         * Makefile.am (CCFILES): Add target.cc.
8989         * Makefile.in: Regenerate.
8990         * i386.cc (class Target_i386): Define new virtual method to
8991         override do_is_local_label_name in parent.
8992         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8993         local symbols if --discard-locals or -X is given.
8994         * options.h (class General_options): Declare new options
8995         '--discard-locals' and '-X' for discarding locals.
8996         * target.h (class Target): Define new methods is_local_label_name.
8997         Declare new virtual method do_is_local_label_name.
8998         * target.cc: New file.
8999         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9000         (check_SCRIPTS): Add discard_locals_test.sh.
9001         (check_DATA): Add discard_local_tests.syms.
9002         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9003         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9004         * testsuite/Makefile.in: Regenerate.
9005         * testsuite/discard_locals_test.c: New file.
9006         * testsuite/discard_locals_test.sh: Same.
9007
9008 2009-06-05  Doug Kwan  <dougkwan@google.com>
9009
9010         * object.cc (Sized_relobj::Sized_relobj): Initialize
9011         discarded_eh_frame_shndx_ to -1U.
9012         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9013         section.
9014         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9015         a discarded .eh_frame section.
9016         (Sized_relobj::do_finalize_local_symbols): Ditto.
9017         * object.h (class Sized_relobj): Declare new member
9018         discarded_eh_frame_shndx_.
9019         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9020         (local_labels_test.o, local_labels_test): New rules.
9021         * testsuite/Makefile.in: Regenerate.
9022
9023 2009-06-04  Doug Kwan  <dougkwan@google.com>
9024
9025         * layout.cc (Layout::section_name_mapping): Add mapping for
9026         special ARM sections.
9027
9028 2009-06-03  Doug Kwan  <dougkwan@google.com>
9029
9030         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9031         (utils::has_overflow): Same.
9032
9033 2009-06-03  Ian Lance Taylor  <iant@google.com>
9034
9035         * layout.cc (Layout::section_name_mapping): New array, replacing
9036         Layout::linkonce_mapping.
9037         (Layout::section_name_mapping_count): New variable, replacing
9038         Layout::linkonce_mapping_count.
9039         (Layout::linkonce_output_name): Remove.
9040         (Layout::output_section_name): Rewrite.
9041         * layout.h (class Layout): Rename Linkonce_mapping to
9042         Section_name_mapping, linkonce_mapping to section_name_mapping,
9043         linkonce_mapping_count to section_name_mapping_count.  Don't
9044         declare linkonce_output_name.
9045
9046 2009-06-03  Doug Kwan  <dougkwan@google.com>
9047
9048         * gold/arm.cc (namespace utils): New.
9049         (Target_arm::reloc_is_non_pic): Define new method.
9050         (class Arm_relocate_functions): New.
9051         (Target_arm::Relocate::relocate): Handle relocation types used by
9052         Android.
9053
9054 2009-06-03  Ian Lance Taylor  <iant@google.com>
9055
9056         * arm.cc (Target_arm::scan::global): Use || instead of |.
9057
9058 2009-06-02  Doug Kwan  <dougkwan@google.com>
9059
9060         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9061         issued_non_pic_error_.
9062         (class Target_arm::Scan): Declare new method check_non_pic.
9063         Define new method symbol_needs_plt_entry.
9064         Declare new data member issued_non_pic_error_.
9065         (class Target_arm::Relocate): Declare new method
9066         should_apply_static_reloc.
9067         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9068         (Target_arm::Scan::check_non_pic): Define new method.
9069         (Target_arm::Scan::local): Handle a small subset of reloc types used
9070         by Android.
9071         (Target_arm::Scan::local): Same.
9072         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9073
9074 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9075
9076         * incremental.cc (Incremental_inputs::report_command_line): Filter
9077         out --incremental-* options.
9078
9079 2009-05-29  Doug Kwan  <dougkwan@google.com>
9080
9081         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9082         template class.
9083         (class Target_arm): Update comment.
9084         (Target_arm::Target_arm): Initialize new data members GOT_,
9085         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9086         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9087         and Target_arm::rel_dyn_section.
9088         Declare new_enum Target_arm::Got_type.
9089         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9090         and DYNBSS_.
9091         Update commments for member do_dynsym_value.
9092         (Target_arm::got_size, Target_arm::plt_section,
9093         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9094         new methods inside class defintion.
9095         (Target_arm::got_section): Define new method.
9096         (Target_arm::rel_dyn_section): Same.
9097         (Output_data_plt_arm): New template class.
9098         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9099         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9100         (Output_data_plt_arm::add_entry): Same.
9101         (Output_data_plt_arm::first_plt_entry): Define new
9102         static data member for PLT instruction template.
9103         (Output_data_plt_arm::plt_entry): Same.
9104         (Output_data_plt_arm::do_write): Define new method.
9105         (Target_arm::make_plt_entry): Same.
9106         (Target_arm::do_finalize_sections): Same.
9107         (Target_arm::do_dynsym_value): Same.
9108
9109 2009-05-28  Doug Kwan  <dougkwan@google.com>
9110
9111         * Makefile.am (TARGETSOURCES): Add arm.cc.
9112         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9113         * Makefile.in: Regenerate.
9114         * arm.cc: New file.
9115         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9116
9117 2009-05-26  Doug Kwan  <dougkwan@google.com>
9118
9119         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9120         (General_options::check_excluded_libs): Strip off directories in
9121         archive name before matching like GNU ld does.
9122         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9123         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9124         (exclude_libs_test_LDFLAGS): Add linker option
9125         -Wl,--exclude-libs,libexclude_libs_test_3
9126         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9127         an explicit archive without using -l.
9128         (alt/libexclude_libs_test_3.a): New make rule.
9129         * testsuite/Makefile.in: Regenerate.
9130         * testsuite/exclude_libs_test.c : Declare lib3_default().
9131         (main): Call it.
9132         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9133         * exclude_libs_test_3.c: New file.
9134
9135 2009-05-26  Nick Clifton  <nickc@redhat.com>
9136
9137         * po/id.po: New Indonesian translation.
9138         * po/gold.pot: Updated template file.
9139
9140 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9141
9142         * testsuite/Makefile.am: Add -ffunction-sections to compile
9143         gc_comdat_test files.  Add -Wl,--gc-sections to build
9144         gc_comdat_test.
9145         * testsuite/Makefile.in: Regenerate.
9146         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9147
9148 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9149
9150         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9151         kept comdat section was garbage collected.
9152         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9153         * testsuite/Makefile.in: Regenerate.
9154         * testsuite/gc_comdat_test.sh: New file.
9155         * testsuite/gc_comdat_test_1.cc: New file.
9156         * testsuite/gc_comdat_test_2.cc: New file.
9157
9158 2009-05-19  Doug Kwan  <dougkwan@google.com>
9159
9160         * archive.cc (Archive::Archive): Move constructor from archive.h
9161         to here.  Initialize no_export_.
9162         (Archive::get_elf_object_for_member): Set no_export flag of object.
9163         * archive.h (Archive::Archive): Move constructor body to
9164         archive.cc.
9165         (Archive::no_export): New method.
9166         (Archive::no_export_): New field.
9167         * object.h (Object::Object): Initialize no_export_ to false.
9168         (Object::no_export, Object::set_no_export): New methods.
9169         (Object::no_export_): New field.
9170         * options.cc (General_options::parse_exclude_libs): New method.
9171         (General_options::check_excluded_libs) Same.
9172         * options.h (exclude_libs): New option.
9173         (General_options::check_excluded_libs): New method declaration.
9174         (General_options::excluded_libs_): New field.
9175         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9176         default or protected visibility if an object has no-export flag set.
9177         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9178         (check_SCRIPTS): Add exclude_libs_test.sh.
9179         (check_DATA): Add exclude_libs_test.syms.
9180         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9181         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9182         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9183         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9184         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9185         libexclude_libs_test_2.a): New rules.
9186         * testsuite/Makefile.in: Regenerate.
9187         * testsuite/exclude_libs_test.c: New file.
9188         * testsuite/exclude_libs_test.sh: Ditto.
9189         * testsuite/exclude_libs_test_1.c: Ditto.
9190         * testsuite/exclude_libs_test_2.c: Ditto.
9191
9192 2009-05-15  Ian Lance Taylor  <iant@google.com>
9193
9194         * configure.ac: Check for declarations for cases where libiberty.h
9195         checks HAVE_DECL_xxx.
9196         * configure, config.in: Rebuild.
9197
9198 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9199
9200         * gold.h (Incremental_argument_list): Remove (invalid) forward
9201         declaration.
9202         * incremental.cc (Incremental_inputs::report_achive): New method.
9203         (Incremental_inputs::report_object): New method.
9204         (Incremental_inputs::report_script): New method.
9205         (Incremental_inputs::finalize_inputs): New method.
9206         (Incremental_inputs::finalize): Call finalize_inputs().
9207         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9208         Create inputs entries.
9209         * incremental.h (Incremental_input_type): New enum.
9210         (Incremental_inputs::Incremental_input): Initialize new fields.
9211         (Incremental_inputs::report_inputs): New method.
9212         (Incremental_inputs::report_achive): New method.
9213         (Incremental_inputs::report_object): New method.
9214         (Incremental_inputs::report_script): New method.
9215         (Incremental_inputs::finalize_inputs): New method.
9216         (Incremental_inputs::Input_info): New struct.
9217         (Incremental_inputs::Input_info_map): New typedef.
9218         (Incremental_inputs::lock_): New field.
9219         (Incremental_inputs::Inputs_): New field.
9220         (Incremental_inputs::Inputs_map): New field.
9221         * main.cc (main): Call Incremental_input::report_inputs.
9222         * options.h (Input_argument_list): Typedef moved from
9223         Input_arguments.
9224         (Input_file_group::Files): Remove, use ::Input_argument_list.
9225         (Input_file_group::Input_argument_list): Remove, use
9226         ::Input_argument_list.
9227         * plugin.cc (Plugin_manager::add_input_file): Add error in
9228         incremental build.
9229         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9230         functions.
9231         * script.cc (read_input_script): Call
9232         Incremental_input::report_script.
9233         * script.h (Script_info): New class.
9234
9235 2009-04-27  Ian Lance Taylor  <iant@google.com>
9236
9237         * x86_64.cc (do_adjust_output_section): Set entsize to
9238         plt_entry_size.
9239
9240 2009-04-23  Elliott Hughes  <enh@google.com>
9241
9242         * output.cc (Output_file::close): After short writes, continue
9243         writing from the correct offset in the buffer being written.
9244
9245 2009-04-23  Chris Demetriou  <cgd@google.com>
9246
9247         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9248         * configure: Regenerate.
9249         * config.in: Regenerate.
9250         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9251         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9252
9253 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9254
9255         * incremental.cc (Incremental_inputs_header_data): Renamed from
9256         Incremental_input_header_data.
9257         (Incremental_inputs_header_data::data_size): New field.
9258         (Incremental_inputs_header_data::put_input_file_count): Renamed
9259         from input_file_count.
9260         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9261         from command_line_offset.
9262         (Incremental_inputs_header_data::put_reserved): Renamed from
9263         put_reserved.
9264         (Incremental_inputs_entry_data): Renamed from
9265         Incremental_input_entry_data.
9266         (Incremental_inputs_entry_data::data_size): New field.
9267         (Incremental_inputs::report_command_line): New method.
9268         (Incremental_inputs::finalize): New method.
9269         (Incremental_inputs::create_incremental_inputs_data): New method.
9270         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9271         * incremental.h: New file.
9272         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9273        (Layout::finalize): Create incremental inputs section in
9274         incremental builds.
9275        (Layout::create_incremental_info_sections): New method.
9276         * layout.h (Layout::incremental_inputs): New method.
9277        (Layout::create_incremental_info_sections): New method.
9278        (Layout::incremental_inputs_): New field.
9279         * main.cc (main): Notify Incremental_input of the command line.
9280
9281 2009-04-01  Ian Lance Taylor  <iant@google.com>
9282             Mikolaj Zalewski  <mikolajz@google.com>
9283
9284         * gold.h (reserve_unordered_map): Define, three versions, one for
9285         each version of Unordered_map.
9286         * layout.cc (Layout::Layout): Remove options parameter.  Add
9287         number_of_input_files parameter.  Don't initialize options_.
9288         Initialize number_of_input_files_ and resized_signatures_.  Move
9289         sections_are_attached_.
9290         (Layout::layout_group): Reserve space for group_signatures_.
9291         (Layout::find_or_add_kept_section): Change name parameter to be a
9292         reference.  Resize signatures_ map when it gets large enough.
9293         (Layout::layout_eh_frame): Use parameters->options() instead of
9294         this->options_.
9295         (Layout::make_output_section): Likewise.
9296         (Layout::attach_allocated_section_to_segment): Likewise.
9297         (Layout::finalize, Layout::create_executable_stack): Likewise.
9298         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9299         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9300         * layout.h (class Layout): Update declarations.  Remove options_
9301         field.  Add number_of_input_files_ and resized_signatures_
9302         fields.  Move sections_are_attached_ field.
9303         * main.cc (main): Pass number of input files to Layout
9304         constructor.  Don't pass options.
9305
9306 2009-03-30  Ian Lance Taylor  <iant@google.com>
9307
9308         * ffsll.c (ffsll): Correct implementation.
9309
9310 2009-03-27  Ian Lance Taylor  <iant@google.com>
9311
9312         * ffsll.c: New file.
9313         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9314         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9315         * ftruncate.c (ftruncate): Declare before definition.
9316         * mremap.c (mremap): Likewise.
9317         * pread.c (pread): Likewise.
9318         * configure, Makefile.in, config.in: Rebuild.
9319
9320         * mremap.c: New file.
9321         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9322         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9323         (mremap): Declare if HAVE_MREMAP is not defined.
9324         * configure, Makefile.in, config.in: Rebuild.
9325
9326 2009-03-27  Cary Coutant  <ccoutant@google.com>
9327
9328         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9329         position independent.
9330         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9331         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9332
9333 2009-03-24  Cary Coutant  <ccoutant@google.com>
9334
9335         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9336         an executable.
9337         (needs_dynamic_reloc): Likewise.
9338
9339 2009-03-24  Ian Lance Taylor  <iant@google.com>
9340
9341         * yyscript.y (file_cmd): Recognize EXTERN.
9342         (extern_name_list, extern_name_list_body): New nonterminals.
9343         * script.cc (script_add_extern): Define.
9344         * script-c.h (script_add_extern): Declare.
9345
9346 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9347
9348         * object.cc (is_elf_object): Define.
9349         * object.h (is_elf_object): Declare.
9350         * archive.cc (Archive::get_elf_object_for_member): Call
9351         is_elf_object.
9352         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9353
9354 2009-03-24  Elliott Hughes  <enh@google.com>
9355
9356         * output.cc (Output_file::map_anonymous): Define.
9357         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9358         try an anonymous one.  Report the size if the mmap fails.
9359         * output.h (class Output_file): Declare map_anonymous.
9360
9361 2009-03-24  Ian Lance Taylor  <iant@google.com>
9362
9363         * target-select.cc (instantiate_target): Don't acquire the lock if
9364         the instantiated_target_ field has already been set.
9365
9366 2009-03-23  Ian Lance Taylor  <iant@google.com>
9367
9368         * gold-threads.h (class Initialize_lock): Define.
9369         * gold-threads.cc (class Initialize_lock_once): Define.
9370         (initialize_lock_control): New static variable.
9371         (initialize_lock_pointer): New static variable.
9372         (initialize_lock_once): New static function.
9373         (Initialize_lock::Initialize_lock): Define.
9374         (Initialize_lock::initialize): Define.
9375         * target-select.h: Include "gold-threads.h".
9376         (class Target_selector): Add lock_ and initialize_lock_ fields.
9377         Don't define instantiate_target, just declare it.
9378         * target-select.cc (Target_selector::Target_selector): Initialize
9379         new fields.
9380         (Target_selector::instantiate_target): Define.
9381         * descriptors.h: Include "gold-threads.h".
9382         (class Descriptors): Add initialize_lock_ field.
9383         * descriptors.cc (Descriptors::Descriptors): Initialize new
9384         field.
9385         (Descriptors::open): Use initialize_lock_ field
9386         * errors.h (class Errors): Add initialize_lock_ field.
9387         * errors.cc (Errors::Errors): Initialize new field.
9388         (Errors::initialize_lock): Use initialize_lock_ field.
9389         * powerpc.cc (class Target_selector_powerpc): Remove
9390         instantiated_target_ field.  In do_recognize call
9391         instantiate_target rather than do_instantiate_target.  In
9392         do_instantiate_target just allocate a new target.
9393         * sparc.cc (class Target_selector_sparc): Likewise.
9394
9395         * freebsd.h: New file.
9396         * i386.cc: Include "freebsd.h".
9397         (Target_i386): Derive from Target_freebsd rather than
9398         Sized_target.
9399         (Target_selector_i386): Derive from Target_selector_freebsd rather
9400         than Target_selector.
9401         * x86_64.cc: Include "freebsd.h".
9402         (Target_x86_64): Derive from Target_freebsd rather than
9403         Sized_target.
9404         (Target_selector_x86_64): Derive from Target_selector_freebsd
9405         rather than Target_selector.
9406         * target.h (class Target): Add adjust_elf_header and
9407         do_adjust_elf_header.
9408         * output.cc (Output_file_header:: do_sized_write): Call target
9409         adjust_elf_header routine.
9410         * configure.tgt: Set targ_osabi.
9411         * configure.ac: Define GOLD_DEFAULT_OSABI.
9412         * parameters.cc (Parameters::default_target): Pass
9413         GOLD_DEFAULT_OSABI to select_target.
9414         * target-select.h (class Target_selector): Make instantiate_target
9415         protected rather than private.
9416         * Makefile.am (HFILES): Add freebsd.h.
9417         * configure, Makefile.in, config.in: Rebuild.
9418
9419         * merge.cc (do_add_input_section): Correct pend value.  Change
9420         message about last entry not being null terminated from error to
9421         warning.
9422
9423 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9424
9425         * incremental.cc: New file.
9426         * Makefile.am (CCFILES): Add incremental.cc.
9427         * Makefile.in: Rebuild.
9428
9429 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9430
9431         * layout.cc (Layout::output_section_name): Preserve names
9432         of '.note.' sections.
9433
9434 2009-03-19  Ian Lance Taylor  <iant@google.com>
9435
9436         * descriptors.cc (Descriptors::open): Check that the options are
9437         valid before using them.
9438
9439 2009-03-18  Ian Lance Taylor  <iant@google.com>
9440
9441         * script-sections.h: Include <list>.
9442         (class Script_sections): Change Sections_elements from std::vector
9443         to std::list.  Typedef public Elements_iterator.  Add
9444         orphan_section_placement_, data_segment_align_start_, and
9445         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9446         field.
9447         * script-sections.cc (class Orphan_section_placement): New class.
9448         (class Sections_element): Add virtual functions is_relro and
9449         orphan_section_init.  Remove virtual function place_orphan_here.
9450         (class Output_section_definition): Add is_relro and
9451         orphan_section_init.  Remove place_orphan_here.
9452         (class Orphan_output_section): Likewise.
9453         (Script_sections::Script_sections): Update for field changes.
9454         (Script_sections::data_segment_align): Set saw_data_segment_align_
9455         and data_segment_align_start_, not data_segment_align_index.
9456         (Script_sections::data_segment_relro_end): Check
9457         saw_data_segment_align_.  Use data_segment_align_start_ rather
9458         than data_segment_align_index_.
9459         (Script_sections::place_orphan): Rewrite to use
9460         Orphan_section_placement.
9461
9462 2009-03-17  Ian Lance Taylor  <iant@google.com>
9463
9464         * archive.cc (Archive::add_symbols): Check for a version attached
9465         to the symbol name in the archive map.
9466         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9467         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9468         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9469         (ver_test_11.a): New target.
9470         * testsuite/Makefile.in: Rebuild.
9471
9472         * configure.ac: Check for chsize and posix_fallocate.  Replace
9473         ftruncate.
9474         * ftruncate.c: New file, from gnulib.
9475         * output.cc (posix_fallocate): Define dummy version if not
9476         HAVE_POSIX_FALLOCATE.
9477         (Output_file::map): Call posix_fallocate rather than lseek and
9478         write.
9479         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9480         * configure, Makefile.in, config.in: Rebuild.
9481
9482 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9483
9484         * layout.h (Layout::create_note): Add section_name parameter.
9485         * layout.cc (Layout::create_note): Likewise.
9486         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9487
9488 2009-03-17  Ian Lance Taylor  <iant@google.com>
9489
9490         * descriptors.cc: Include "options.h".
9491         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9492         (Descriptors::open): Always use O_CLOEXEC when opening a new
9493         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9494         then set FD_CLOEXEC.
9495
9496         * sparc.cc (class Target_sparc): Add has_got_section.
9497         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9498         make sure we have a GOT section.
9499
9500         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9501         (Target_sparc::Scan::local): Likewise.
9502         (Target_sparc::Scan::global): Likewise.
9503         (Target_sparc::Relocate::relocate): Likewise.
9504         (Target_sparc::Relocate::relocate_tls): Likewise.
9505
9506         * symtab.cc (Symbol_table::define_default_version): New function,
9507         broken out of add_from_object.
9508         (Symbol_table::add_from_object): Call define_default_version.
9509         (Symbol_table::define_special_symbol): Add resolve_oldsym
9510         parameter.  Change all callers.  If the version for a symbol comes
9511         from a version script, resolve it with the symbol with the same
9512         name with no version.  Also add the symbol without a version if
9513         appropriate.
9514         (do_define_in_output_data): If resolving with oldsym, don't delete
9515         sym.
9516         (do_define_in_output_segment): Likewise.
9517         (do_define_as_constant): Likewise.
9518         * symtab.h (class Symbol_table): Update declarations.
9519
9520 2009-03-13  Ian Lance Taylor  <iant@google.com>
9521
9522         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9523         (Read_symbols::requeue): New function.
9524         (Read_symbols::do_read_symbols): If make_elf_object fails because
9525         the target type is not configured, and the file was searched for,
9526         issue a warning and retry with the next directory.
9527         (Add_symbols::run): If the file has an incompatible format, and
9528         it was searched for, requeue the Read_symbols task.  On error,
9529         release the object.
9530         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9531         dirindex parameter to constructor.  Change all callers.  Declare
9532         incompatible_warning and requeue.
9533         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9534         input_argument_ and input_group_ fields.  Add them to
9535         constructor.  Change all callers.
9536         (class Read_script): Add dirindex_ field.  Add it to constructor.
9537         Change all callers.
9538         * archive.cc (Archive::setup): Remove input_objects parameter.
9539         Change all callers.
9540         (Archive::get_file_and_offset): Likewise.
9541         (Archive::read_all_symbols): Likewise.
9542         (Archive::read_symbols): Likewise.
9543         (Archive::get_elf_object_for_member): Remove input_objects
9544         parameter.  Add punconfigured parameter.  Change all callers.
9545         (Archive::add_symbols): Change return type to bool.  Check return
9546         value of include_member.
9547         (Archive::include_all_members): Likewise.
9548         (Archive::include_member): Change return type to bool.  Return
9549         false if first included object has incompatible target.  Set
9550         included_member_ field.
9551         (Add_archive_symbols::run): If add_symbols returns false, requeue
9552         Read_symbols task.
9553         * archive.h (class Archive): Add included_member_ field.
9554         Initialize it in constructor.  Add input_file and searched_for
9555         methods.  Update declarations.
9556         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9557         input_argument_ fields.  Add them to constructor.  Change all
9558         callers.
9559         * script.cc: Include "target-select.h".
9560         (class Parser_closure): Add skip_on_incompatible_target_ and
9561         found_incompatible_target_ fields.  Add
9562         skip_on_incompatible_target parameter to constructor.  Change all
9563         callers.  Add methods skip_on_incompatible_target,
9564         clear_skip_on_incompatible_target, found_incompatible_target, and
9565         set_found_incompatible_target.
9566         (read_input_script): Add dirindex parameter.  Change all callers.
9567         If parser finds an incompatible target, requeue Read_symbols
9568         task.
9569         (script_set_symbol): Clear skip_on_incompatible_target in
9570         closure.
9571         (script_add_assertion, script_parse_option): Likewise.
9572         (script_start_sections, script_add_phdr): Likewise.
9573         (script_check_output_format): New function.
9574         * script.h (read_input_script): Update declaration.
9575         * script-c.h (script_check_output_format): Declare.
9576         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9577         (ignore_cmd): Remove OUTPUT_FORMAT.
9578         * fileread.cc (Input_file::Input_file): Add explicit this.
9579         (Input_file::will_search_for): New function.
9580         (Input_file::open): Add pindex parameter.  Change all callers.
9581         * fileread.h (class Input_file): Add input_file_argument method.
9582         Declare will_search_for.  Update declarations.
9583         * object.cc (make_elf_object): Add punconfigured parameter.
9584         Change all callers.
9585         * object.h (class Object): Make input_file public.  Add
9586         searched_for method.
9587         (make_elf_object): Update declaration.
9588         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9589         restart search.
9590         * dirsearch.h (class Dirsearch): Update declaration.
9591         * options.h (class General_options): Add --warn-search-mismatch.
9592         * parameters.cc (Parameters::is_compatible_target): New function.
9593         * parameters.h (class Parameters): Declare is_compatible_target.
9594         * workqueue.cc (Workqueue::add_blocker): New function.
9595         * workqueue.h (class Workqueue): Declare add_blocker.
9596
9597         * fileread.cc (Input_file::open): Remove options parameter.
9598         Change all callers.
9599         (Input_file::open_binary): Likewise.
9600         * script.cc (read_input_script): Likewise.
9601         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9602         options parameter from constructor.  Change all callers.
9603         (class Read_script): Likewise.
9604         * fileread.h (class Input_file): Update declarations.
9605         * script.h (read_input_script): Update declaration.
9606
9607 2009-03-10  Nick Clifton  <nickc@redhat.com>
9608
9609         * po/es.po: New Spanish translation.
9610
9611 2009-03-06  Cary Coutant  <ccoutant@google.com>
9612
9613         * options.cc (parse_short_option): Keep dash_z from registering itself.
9614
9615 2009-03-03  Ian Lance Taylor  <iant@google.com>
9616
9617         PR 9918
9618         * target-reloc.h (relocate_section): Pass output_section to
9619         relocate.
9620         * i386.cc (Target_i386::should_apply_static_reloc): Add
9621         output_section parameter.  Change all callers.
9622         (Target_i386::Relocate::relocate): Add output_section parameter.
9623         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9624         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9625         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9626         * testsuite/two_file_shared.sh: New script.
9627         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9628         (check_DATA): Add two_file_shared.dbg.
9629         (two_file_shared.dbg): New target.
9630         * testsuite/Makefile.in: Rebuild.
9631
9632 2009-03-01  Ian Lance Taylor  <iant@google.com>
9633
9634         * configure.ac: Check for byteswap.h.
9635         * configure: Rebuild.
9636         * config.in: Rebuild.
9637
9638 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9639
9640         * layout.cc (Layout::find_or_add_kept_section): New function.
9641         (Layout::add_comdat): Removed.
9642         * layout.h (struct Kept_section): Move out of class Layout.
9643         Remove trailing underscores from field names.  Add group_sections
9644         field.  Rename group_ field to is_group.  Change all uses.
9645         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9646         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9647         comdat_groups_ field.
9648         (Sized_relobj::include_section_group): Use
9649         find_or_add_kept_section and Kept_section::group_sections.
9650         (Sized_relobj::include_linkonce_section): Likewise.
9651         * object.cc (class Sized_relobj): Don't define Comdat_group or
9652         Comdat_group_table.  Remove find_comdat_group and
9653         add_comdat_group.  Remove comdat_groups_ field.
9654         * plugin.cc (include_comdat_group): Use
9655         Layout::find_or_add_kept_section.
9656
9657 2009-02-28  Ian Lance Taylor  <iant@google.com>
9658
9659         * README: --gc-sections and map files are now supported.  Document
9660         some build requirements.
9661
9662         PR 6992
9663         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9664         relocatable link set the value of the section symbol to zero.
9665         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9666         relocatable link don't include the section address in the local
9667         symbol value.
9668
9669 2009-02-27  Ian Lance Taylor  <iant@google.com>
9670
9671         PR 6811
9672         * options.h (class Search_directory): Add is_system_directory.
9673         (class General_options): Declare is_in_system_directory.
9674         * options.cc (get_relative_sysroot): Make static.
9675         (get_default_sysroot): Make static.
9676         (General_optoins::is_in_system_directory): New function.
9677         * fileread.cc (Input_file::is_in_system_directory): New function.
9678         * fileread.h (class Input_file): Declare is_in_system_directory.
9679         * object.h (class Object): Add is_in_system_directory.
9680         (class Input_objects): Remove system_library_directory_ field.
9681         * object.cc (Input_objects::add_object): Don't set
9682         system_library_directory_.
9683         (input_objects::found_in_system_library_directory): Remove.
9684         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9685         parameter.  Change all callers.
9686         (Symbol_table::sized_write_globals): Likewise.
9687         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9688         Call Object::is_in_system_directory.
9689         * symtab.h (class Symbol_table): Update declarations.
9690
9691         PR 5990
9692         * descriptors.h (Open_descriptor): Add is_on_stack field.
9693         * descriptors.cc (Descriptors::open): If the descriptor is on the
9694         top of the stack, remove it.  Initialize is_on_stack field.
9695         (Descriptors::release): Only add pod to stack if it is not on the
9696         stack already.
9697         (Descriptors::close_some_descriptor): Clear stack_next and
9698         is_on_stack fields.
9699
9700         PR 7091
9701         * output.cc (Output_section::find_starting_output_address): Rename
9702         from starting_output_address; add PADDR parameter; change return
9703         type.
9704         * output.h (class Output_section): Declare
9705         find_starting_output_address instead of starting_output_address.
9706         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9707         section symbol for which we can't find a merge section.
9708
9709         PR 9836
9710         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9711         hidden or internal, force the symbol to be local.
9712         * resolve.cc (Symbol::override_visibility): Define.
9713         (Symbol::override_base): Use override_visibility.
9714         (Symbol_table::resolve): Likewise.
9715         (Symbol::override_base_with_special): Likewise.
9716         (Symbol_table::override_with_special): If the visibility is hidden
9717         or internal, force the symbol to be local.
9718         * symtab.h (class Symbol): Add set_visibility and
9719         override_visibility.
9720         * testsuite/ver_test_1.sh: New file.
9721         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9722         (check_DATA): Add ver_test_1.syms.
9723         (ver_test_1.syms): New target.
9724         * testsuite/Makefile.in: Rebuild.
9725
9726 2009-02-25  Cary Coutant  <ccoutant@google.com>
9727
9728         * layout.cc (Layout::choose_output_section): Don't rename sections
9729         when using a linker script that has a SECTIONS clause.
9730         * Makefile.in: Regenerate.
9731
9732         * testsuite/Makefile.am (script_test_5.sh): New test case.
9733         * testsuite/Makefile.in: Regenerate.
9734         * testsuite/script_test_5.cc: New file.
9735         * testsuite/script_test_5.sh: New file.
9736         * testsuite/script_test_5.t: New file.
9737
9738 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9739
9740         * archive.cc (Archive::include_member): Update calls to add_symbols.
9741         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9742         the Layout argument.
9743         * dynobj.h (do_add_symbols): Add the Layout argument.
9744         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9745         Layout argument.
9746         * object.h (Object::add_symbols): Add the Layout argument.
9747         (Object::do_add_symbols): Add the Layout argument.
9748         (Sized_relobj::do_add_symbols): Add the Layout argument.
9749         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9750         Unify the two versions.
9751         (Add_plugin_symbols): Remove.
9752         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9753         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9754         (Add_plugin_symbols): Remove.
9755         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9756         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9757         (Add_symbols::run): Make it work with Pulginobj.
9758
9759 2009-02-06  Ian Lance Taylor  <iant@google.com>
9760
9761         * object.cc (Sized_relobj::do_layout): Make info message start
9762         with lower case letter.
9763
9764 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9765
9766         * binary.cc: Fix file comment.
9767
9768         * options.h (enum Incremental_disposition): Define.
9769         (class General_options): Add new options: --incremental,
9770         --incremental_changed, --incremental_unchanged,
9771         --incremental_unknown.  Add incremental_disposition_ and
9772         implicit_incremental_ fields.
9773         (General_options::incremental_disposition): New function.
9774         (class Position_dependent_options): Add incremental_disposition
9775         option.
9776         (Position_dependent_options::copy_from_options): Set incremental
9777         dispositions.
9778         * options.cc (General_options::parse_incremental_changed): New
9779         function.
9780         (General_options::parse_incremental_unchanged): New function.
9781         (General_options::parse_incremental_unknown): New function.
9782         (General_options::General_options): Initialize new fields
9783         incremental_disposition_ and implicit_incremental_.
9784         (General_options::finalize): Check for uasge of --incremental-*
9785         without --incremental.
9786
9787 2009-02-06  Chris Demetriou  <cgd@google.com>
9788
9789         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9790         pointer and to report location as the file name associated with
9791         the symbol.
9792         (gold_undefined_symbol_at_location): New function to replace the
9793         old gold_undefined_symbol functionality.
9794         * target-reloc.h (relocate_section): Update to use
9795         gold_undefined_symbol_at_location.
9796         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9797         Call gold_undefined_symbol function rather than gold_error.
9798         * errors.h (Errors::undefined_symbol): Take location as a
9799         string, rather than calculating it from a relocation.
9800         * errors.cc (Errors::fatal): Print "fatal error:" before the
9801         formatted message.
9802         (Errors::error, Errors::error_at_location): Print "error: "
9803         before the formatted message.
9804         (Errors::undefined_symbol): Take location as a string, rather
9805         than calculating it from a relocation.
9806         (gold_undefined_symbol_at_location): New function akin to
9807         old gold_undefined_symbol, calculates location from relocation.
9808         (gold_undefined_symbol): Change to take only a Symbol pointer
9809         and to report location as the file name associated with the symbol.
9810         * testsuite/debug_msg.sh: Update for changed error messages.
9811         * testsuite/undef_symbol.sh: Likewise.
9812
9813 2009-02-04  Duncan Sands  <baldrick@free.fr>
9814
9815         PR 9812
9816         * reduced_debug_output.h
9817         (Output_reduced_debug_abbrev_section::failed): Use format for
9818         gold_warning.
9819         (Output_reduced_debug_info_section::faild): Likewise.
9820
9821 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9822
9823         * script.cc (Lazy_demangler): New class.
9824         (Version_script_info::get_symbol_version_helper): Demangle a
9825         symbol only once.
9826
9827 2009-01-29  Cary Coutant  <ccoutant@google.com>
9828
9829         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9830         to __tls_get_addr.
9831         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9832
9833 2009-01-28  Ian Lance Taylor  <iant@google.com>
9834
9835         * version.cc (version_string): Bump to 1.9.
9836
9837         * gold.h: Include <cstring> and <stdint.h>.
9838         * version.cc: Include <cstdio>.
9839         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9840         warning.
9841         * reduced_debug_output.cc (insert_into_vector): Rename from
9842         Insert_into_vector; change all callers.  Use Swap_unaligned to
9843         avoid aliasing issue; remove union since it is unnecessary.
9844
9845 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9846
9847         * Makefile.am (CCFILES): Add gc.cc.
9848         (HFILES): Add gc.h.
9849         * Makefile.in: Regenerate.
9850         * gold.cc (Gc_runner): New class.
9851         (queue_initial_tasks): Call garbage collection related tasks
9852         when corresponding options are invoked.
9853         (queue_middle_gc_tasks): New function.
9854         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9855         processed early before laying out sections during garbage collection.
9856         * gold.h (queue_middle_gc_tasks): New function.
9857         (is_prefix_of): Move from "layout.cc".
9858         * i386.cc (Target_i386::gc_process_relocs): New function.
9859         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9860         * main.cc (main): Create object of class "Garbage_collection".
9861         * object.cc (Relobj::copy_symbols_data): New function.
9862         (Relobj::is_section_name_included): New function.
9863         (Sized_relobj::do_layout): Allow this function to be called twice
9864         during garbage collection and defer layout of section during the
9865         first call.
9866         * object.h (Relobj::get_symbols_data): New function.
9867         (Relobj::is_section_name_included): New function.
9868         (Relobj::copy_symbols_data): New function.
9869         (Relobj::set_symbols_data): New function.
9870         (Relobj::get_relocs_data): New function.
9871         (Relobj::set_relocs_data): New function.
9872         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9873         (Relobj::gc_process_relocs): New function.
9874         (Relobj::do_gc_process_relocs): New pure virtual function.
9875         (Relobj::sd_): New data member.
9876         (Sized_relobj::is_output_section_offset_invalid): New function.
9877         (Sized_relobj::do_gc_process_relocs): New function.
9878         * options.h (General_options::gc_sections): Modify to not be a no-op.
9879         (General_options::print_gc_sections): New option.
9880         * plugin.cc (Plugin_finish::run): Remove function call to
9881         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9882         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9883         * reloc.cc (Read_relocs::run): Add task to process relocs and
9884         determine unreferenced sections when doing garbage collection.
9885         (Gc_process_relocs): New class.
9886         (Sized_relobj::do_gc_process_relocs): New function.
9887         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9888         sections that are garbage collected.
9889         * reloc.h (Gc_process_relocs): New class.
9890         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9891         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9892         symbols whose corresponding sections are garbage collected.
9893         (Symbol_table::Symbol_table): Add new parameter for the garbage
9894         collection object.
9895         (Symbol_table::gc_mark_undef_symbols): New function.
9896         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9897         (Symbol_table::gc_mark_dyn_syms): New function.
9898         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9899         as garbage.
9900         (Symbol_table::add_from_object): Likewise.
9901         (Symbol_table::add_from_relobj): When building shared objects, do not
9902         treat externally visible symbols as garbage.
9903         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9904         table information for static and relocatable links.
9905         * symtab.h (Symbol_table::set_gc): New function.
9906         (Symbol_table::gc): New function.
9907         (Symbol_table::gc_mark_undef_symbols): New function.
9908         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9909         (Symbol_table::gc_mark_dyn_syms): New function.
9910         (Symbol_table::gc_): New data member.
9911         * target.h (Sized_target::gc_process_relocs): New pure virtual
9912         function.
9913         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9914         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9915
9916 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9917
9918         * options.h (General_options::gc_sections): Define as a no-op for now.
9919         (General_options::no_keep_memory): Ditto.
9920         (General_options::Bshareable): Define.
9921         * options.cc (General_options::finalize): Honor -Bshareable.
9922
9923 2009-01-20  Andreas Schwab  <schwab@suse.de>
9924
9925         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9926         read the value in the contents, since we don't use it.  Use the
9927         template endianness when writing.
9928         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9929
9930 2009-01-19  Andreas Schwab  <schwab@suse.de>
9931
9932         * configure.tgt (powerpc64-*): Fix targ_obj.
9933
9934 2009-01-15  Ian Lance Taylor  <iant@google.com>
9935
9936         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9937         local symbols when stripping all symbols.
9938
9939 2009-01-14  Cary Coutant  <ccoutant@google.com>
9940
9941         * output.cc (Output_reloc): Add explicit instantiations.
9942
9943 2009-01-14  Cary Coutant  <ccoutant@google.com>
9944
9945         * archive.cc (Archive::get_elf_object_for_member): Remove call
9946         to File_read::claim_for_plugin.
9947         * descriptors.cc (Descriptors::open): Remove reference to
9948         is_claimed.
9949         (Descriptors::claim_for_plugin): Remove.
9950         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9951         (Descriptors::is_claimed): Remove.
9952         (claim_descriptor_for_plugin): Remove.
9953         * fileread.cc (File_read::claim_for_plugin): Remove.
9954         * fileread.h (File_read::claim_for_plugin): Remove.
9955         (File_read::descriptor): Reopen descriptor if necessary.
9956         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9957         (Plugin_manager::all_symbols_read): Add task parameter. Change
9958         all callers.
9959         (Plugin_manager::get_input_file): New function.
9960         (Plugin_manager::release_input_file): New function.
9961         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9962         corresponding data member.
9963         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9964         and pass to base constructor. Change all callers.
9965         (get_input_file, release_input_file): New functions.
9966         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9967         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9968         (Plugin_manager::all_symbols_read): Add task parameter.
9969         (Plugin_manager::get_input_file): New function.
9970         (Plugin_manager::release_input_file): New function.
9971         (Plugin_manager::task_): New data member.
9972         (Pluginobj::Pluginobj): Add filesize parameter.
9973         (Pluginobj::filename): New function.
9974         (Pluginobj::descriptor): New function.
9975         (Pluginobj::filesize): New function.
9976         (Pluginobj::filesize_): New data member.
9977         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9978         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9979         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9980
9981         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9982         with archive libraries.
9983         * testsuite/Makefile.in: Regenerate.
9984         * testsuite/plugin_test.c (struct sym_info): New type.
9985         (get_input_file, release_input_file): New static variables.
9986         (onload): Capture new transfer vector entries.
9987         (claim_file_hook): Stop reading at end of file according to filesize.
9988         Factor out parsing of readelf output into separate function.
9989         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9990         APIs and get the source file name from the symbol table.  Convert
9991         source file name to corresponding object file name.  Print info
9992         message when adding new input files.
9993         (parse_readelf_line): New function.
9994         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9995         * testsuite/plugin_test_2.sh: Likewise.
9996         * testsuite/plugin_test_3.sh: Likewise.
9997         * testsuite/plugin_test_4.sh: New test case.
9998
9999 2009-01-07  Ian Lance Taylor  <iant@google.com>
10000
10001         * version.cc (version_string): Bump to 1.8.
10002
10003 2008-12-23  Cary Coutant  <ccoutant@google.com>
10004
10005         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10006         * plugin.cc (Plugin_manager::finish): Rename as
10007         layout_deferred_objects.  Move cleanup to separate function.
10008         (Plugin_manager::cleanup): New function.
10009         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10010         separately.
10011         * plugin.h (Plugin_manager::finish): Rename as
10012         layout_deferred_objects.
10013         (Plugin_manager::cleanup): New function.
10014         (Plugin_manager::cleanup_done): New field.
10015
10016 2008-12-23  Cary Coutant  <ccoutant@google.com>
10017
10018         * plugin.cc (is_visible_from_outside): New function.
10019         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10020         so we don't return "IR only" status for exported symbols or -r links.
10021
10022         * testsuite/Makefile.am (plugin_test_3): New test case.
10023         * testsuite/Makefile.in: Regenerate.
10024         * testsuite/plugin_test_3.sh: New file.
10025
10026 2008-12-22  Cary Coutant  <ccoutant@google.com>
10027
10028         * object.cc (Sized_relobj::layout_section): New function.
10029         (Sized_relobj::do_layout): Defer layout of input sections until after
10030         plugin has provided replacement files.
10031         (Sized_relobj::do_layout_deferred_sections): New function.
10032         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10033         (Relobj::layout_deferred_sections): New function.
10034         (Relobj::do_layout_deferred_sections): New function.
10035         (Sized_relobj::do_layout_deferred_sections): New function.
10036         (Sized_relobj::layout_section): New function.
10037         (Sized_relobj::Deferred_layout): New structure.
10038         (Sized_relobj::deferred_layout_): New field.
10039         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10040         Change all callers.  Layout deferred sections.
10041         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10042         references.
10043         (Plugin_hook::run): Move code from do_plugin_hook inline.
10044         (Plugin_hook::do_plugin_hook): Remove.
10045         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10046         (Plugin_manager::finish): Renamed, was cleanup.
10047         (Plugin_manager::should_defer_layout): New function.
10048         (Plugin_manager::add_deferred_layout_object): New function.
10049         (Plugin_manager::Deferred_layout_list): New type.
10050         (Plugin_manager::deferred_layout_objects_): New field.
10051         (Plugin_hook::do_plugin_hook): Remove.
10052
10053 2008-12-17  Ian Lance Taylor  <iant@google.com>
10054
10055         * options.h (class General_options): Add --no case for
10056         --export-dynamic.
10057
10058 2008-12-16  Cary Coutant  <ccoutant@google.com>
10059
10060         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10061         vector.
10062         (Plugin_manager::claim_file): Create plugin object even if
10063         plugin did not call the add_symbols callback.
10064         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10065         asking for more symbols than were added.
10066         * testsuite/Makefile.am (plugin_test_1): Add test case with
10067         no global symbols.
10068         (empty.syms): New target.
10069         * testsuite/Makefile.in: Regenerate.
10070         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10071         message. Don't call add_symbols if no globals.
10072         (all_symbols_read_hook): Don't provide replacement for empty
10073         claimed file.
10074
10075 2008-12-12  Ian Lance Taylor  <iant@google.com>
10076
10077         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10078         r_type == 0 for a local symbol with r_sym == 0.
10079         (scan_relocatable_relocs): Pass r_sym to
10080         local_non_section_strategy.
10081         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10082         r_sym parameter.
10083
10084         * configure.ac: Update test for TLS descriptors: they are
10085         supported as of glibc 2.9.
10086         * configure: Rebuild.
10087
10088 2008-12-11  Ian Lance Taylor  <iant@google.com>
10089
10090         PR 7091
10091         * target-reloc.h (Default_scan_relocatable_relocs): For each
10092         function, map r_type == 0 to RELOC_DISCARD.
10093
10094 2008-12-10  Cary Coutant  <ccoutant@google.com>
10095
10096         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10097         object to override a kept COMDAT group from a plugin object.
10098
10099 2008-12-09  Ian Lance Taylor  <iant@google.com>
10100
10101         PR 7088
10102         * yyscript.y (file_cmd): Handle INPUT.
10103
10104         * testsuite/initpri1.c: Change all declarations to be full
10105         prototypes by adding void, to avoid compiler warnings.
10106
10107 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10108
10109         * options.cc (General_options::parse_plugin_opt): New.
10110         (General_options::add_plugin): The argument now is just the filename.
10111         (General_options::add_plugin_option): New.
10112         * options.h (plugin_opt): New.
10113         (add_plugin): Change argument name.
10114         (add_plugin_option): New.
10115         * plugin.cc (Plugin::load): Don't parse the plugin option.
10116         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10117         (Plugin::add_option): New.
10118         (Plugin::args_): Change type.
10119         (Plugin::filename_): New.
10120         (Plugin_manager::add_plugin_option): New.
10121         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10122         * testsuite/Makefile.in: Regenerate.
10123
10124 2008-12-05  Cary Coutant  <ccoutant@google.com>
10125
10126         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10127         Handle --strip-lto-sections option.
10128         * options.h (strip_lto_sections): New option.
10129
10130 2008-12-01  Cary Coutant  <ccoutant@google.com>
10131
10132         * plugin.cc (ld_plugin_message): Change format parameter to const.
10133         Fix mismatch between new[] and delete.
10134
10135 2008-11-14  Cary Coutant  <ccoutant@google.com>
10136
10137         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10138         instead of -1U.
10139
10140 2008-11-05  Craig Silverstein  <csilvers@google.com>
10141
10142         * options.cc (General_options::parse_dynamic_list): New function.
10143         * options.h (General_options): New flags dynamic_list,
10144         dynamic_list_data, dynamic_list_cpp_new, and
10145         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10146         (General_options::in_dynamic_list): New function.
10147         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10148         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10149         (Lex::can_continue_name): Likewise.
10150         (yylex): Likewise.
10151         (read_script_file): New parameter script_options.
10152         (read_dynamic_list): New function.
10153         (Script_options::define_dynamic_list): New function.
10154         (dynamic_list_keyword_parsecodes): New variable.
10155         (dynamic_list_keywords): New variable.
10156         * script.h (Script_options::define_dynamic_list): New function
10157         prototype.
10158         (read_dynamic_list): New function prototype.
10159         * symtab.cc (strprefix): New macro.
10160         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10161         dynamic_list_data, dynamic_list_cpp_new, and
10162         dynamic_list_cpp_typeinfo.
10163         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10164         (dynamic_list_expr): New rule.
10165         (dynamic_list_nodes): Likewise.
10166         (dynamic_list_node): Likewise.
10167         * testsuite/Makefile.am (dynamic_list): New test.
10168         * testsuite/Makefile.in: Regenerated.
10169         * testsuite/dynamic_list.t: New file.
10170         * testsuite/dynamic_list.sh: New file.
10171
10172 2008-11-05  Craig Silverstein  <csilvers@google.com>
10173
10174         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10175         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10176         (t11_last): Likewise.
10177         * testsuite/ver_test_6.c (main): Likewise.
10178
10179 2008-10-07  Cary Coutant  <ccoutant@google.com>
10180
10181         * options.c (General_options::finalize): Add check for -static and
10182         -shared.
10183         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10184         is not empty.
10185
10186 2008-10-02  Cary Coutant  <ccoutant@google.com>
10187
10188         * plugin.cc (make_sized_plugin_object): Fix conditional
10189         compilation to work when not all targets are enabled.
10190
10191 2008-09-29  Cary Coutant  <ccoutant@google.com>
10192
10193         * archive.cc (Archive::get_file_and_offset): Use filename instead
10194         of name to get library path.
10195         (Archive::include_member): Unlock external member of a thin archive.
10196
10197         * testsuite/Makefile.am (TEST_AR): New variable.
10198         (thin_archive_test_1): New test.
10199         (thin_archive_test_2): New test.
10200         * testsuite/Makefile.in: Regenerate.
10201         * testsuite/thin_archive_main.cc: New file.
10202         * testsuite/thin_archive_test_1.cc: New file.
10203         * testsuite/thin_archive_test_2.cc: New file.
10204         * testsuite/thin_archive_test_3.cc: New file.
10205         * testsuite/thin_archive_test_4.cc: New file.
10206
10207 2008-09-29  Cary Coutant  <ccoutant@google.com>
10208
10209         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10210         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10211         instead of -1U.
10212         (Sized_relobj::do_finalize_local_symbols): Likewise.
10213         (Sized_relobj::map_to_kept_section): Likewise.
10214         * object.h (Sized_relobj::invalid_address): New constant.
10215         (Sized_relobj::do_output_section_offset): Check for invalid_address
10216         and return -1ULL.
10217         * output.cc (Output_reloc::local_section_offset): Use constant
10218         invalid_address instead of -1U.
10219         (Output_reloc::get_address): Likewise.
10220         (Output_section::output_address): Change -1U to -1ULL.
10221         * output.h (Output_reloc::invalid_address): New constant.
10222         * reloc.cc (Sized_relobj::write_sections): Use constant
10223         invalid_address instead of -1U.
10224         (Sized_relobj::relocate_sections): Likewise.
10225         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10226         values for merge sections.
10227         * target-reloc.h (relocate_for_relocatable): Use constant
10228         invalid_address instead of -1U.
10229
10230 2008-09-19  Cary Coutant  <ccoutant@google.com>
10231
10232         Add plugin functionality for link-time optimization (LTO).
10233         * configure.ac (plugins): Add --enable-plugins option.
10234         * configure: Regenerate.
10235         * config.in: Regenerate.
10236         * Makefile.am (LIBDL): New variable.
10237         (CCFILES): Add plugin.cc.
10238         (HFILES): Add plugin.h.
10239         (ldadd_var): Add LIBDL.
10240         * Makefile.in: Regenerate.
10241
10242         * archive.cc: Include "plugin.h".
10243         (Archive::setup): Don't preread archive symbols when using a plugin.
10244         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10245         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10246         files.
10247         (Archive::include_member): Add symbols from plugin objects.
10248         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10249         * descriptors.cc (Descriptors::open): Check for file descriptors
10250         abandoned by plugins.
10251         (Descriptors::claim_for_plugin): New function.
10252         * descriptors.h (Descriptors::claim_for_plugin): New function.
10253         (Open_descriptor::is_claimed): New field.
10254         (claim_descriptor_for_plugin): New function.
10255         * fileread.cc (File_read::claim_for_plugin): New function.
10256         * fileread.h (File_read::claim_for_plugin): New function.
10257         (File_read::descriptor): New function.
10258         * gold.cc: Include "plugin.h".
10259         (queue_initial_tasks): Add task to call plugin hooks for generating
10260         new object files.
10261         * main.cc: Include "plugin.h".
10262         (main): Load plugin libraries.
10263         * object.h (Pluginobj): Declare.
10264         (Object::pluginobj): New function.
10265         (Object::do_pluginobj): New function.
10266         (Object::set_target): New function.
10267         * options.cc: Include "plugin.h".
10268         (General_options::parse_plugin): New function.
10269         (General_options::General_options): Initialize plugins_ field.
10270         (General_options::add_plugin): New function.
10271         * options.h (Plugin_manager): Declare.
10272         (General_options): Add --plugin option.
10273         (General_options::has_plugins): New function.
10274         (General_options::plugins): New function.
10275         (General_options::add_plugin): New function.
10276         (General_options::plugins_): New field.
10277         * plugin.cc: New file.
10278         * plugin.h: New file.
10279         * readsyms.cc: Include "plugin.h".
10280         (Read_symbols::do_read_symbols): Check for archive before checking
10281         for ELF file.  Call plugin hooks to claim files.
10282         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10283         from a real object file; force override when processing replacement
10284         files.
10285         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10286         (Symbol::init_base_object): Likewise.
10287         (Symbol::init_base_output_data): Likewise.
10288         (Symbol::init_base_output_segment): Likewise.
10289         (Symbol::init_base_constant): Likewise.
10290         (Symbol::init_base_undefined): Likewise.
10291         (Symbol::output_section): Assert that object is not a plugin.
10292         (Symbol_table::add_from_pluginobj): New function.
10293         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10294         undefined.
10295         (Symbol_table::sized_write_globals): Likewise.
10296         (Symbol_table::add_from_pluginobj): Instantiate template.
10297         * symtab.h (Sized_pluginobj): Declare.
10298         (Symbol::in_real_elf): New function.
10299         (Symbol::set_in_real_elf): New function.
10300         (Symbol::in_real_elf_): New field.
10301         (Symbol_table::add_from_pluginobj): New function.
10302
10303         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10304         (LIBDL): New variable.
10305         (LDADD): Add LIBDL.
10306         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10307         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10308         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10309         (MOSTLYCLEANFILES): Likewise.
10310         * testsuite/Makefile.in: Regenerate.
10311         * testsuite/plugin_test.c: New file.
10312         * testsuite/plugin_test_1.sh: New file.
10313         * testsuite/plugin_test_2.sh: New file.
10314
10315 2008-09-16  Ian Lance Taylor  <iant@google.com>
10316
10317         * target-reloc.h (relocate_section): Check whether a symbol is
10318         defined by the ABI before reporting an undefined symbol error.
10319         * target.h (Target::is_defined_by_abi): Make parameter const.
10320         (Target::do_is_defined_by_abi): Likewise.
10321         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10322         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10323         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10324         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10325         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10326         * testsuite/Makefile.in: Rebuild.
10327
10328         * fileread.cc (make_view): Add casts to avoid warning.
10329
10330 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10331
10332         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10333         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10334
10335 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10336
10337         * options.h (General_options::output_is_executable): New.
10338         (General_options::output_is_pie): New.
10339         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10340         for shared libraries.
10341         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10342
10343 2008-09-11  Chris Demetriou  <cgd@google.com>
10344
10345         * options.h (origin): New -z option.
10346         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10347         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10348         in DT_FLAGS_1.
10349
10350 2008-09-05  Cary Coutant  <ccoutant@google.com>
10351
10352         * fileread.cc (File_read::make_view): Add check for attempt to map
10353         beyond end of file.
10354
10355 2008-09-05  Cary Coutant  <ccoutant@google.com>
10356
10357         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10358         explicit instantiations.
10359
10360 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10361
10362         PR gold/6858
10363         * options.cc (General_options::finalize): Allow undefined symbols
10364         in shlibs if linking -shared.
10365
10366         PR gold/6859
10367         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10368         symbols as not needing a dynsym entry.
10369
10370 2008-08-20  Craig Silverstein  <csilvers@google.com>
10371
10372         * fileread.cc (File_read::open): Do not lock the file unless it
10373         was successfully opened.
10374
10375 2008-08-14  Cary Coutant  <ccoutant@google.com>
10376
10377         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10378         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10379         * testsuite/tls_test.cc (struct int128): 128-bit struct
10380         for testing TLS relocs with non-zero addend.
10381         (v12): New TLS variable.
10382         (t12): New test.
10383         (t_last): Add check for v12.
10384         * testsuite/tls_test.h (t12): New function.
10385         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10386
10387 2008-08-13  Ian Lance Taylor  <iant@google.com>
10388
10389         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10390         set tls_segment_ or relro_segment_.
10391         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10392         when appropriate.
10393         * output.h (Output_section::clear_is_relro): New function.
10394         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10395         sections specially even when output_data_ is empty.
10396         (Output_segment::maximum_alignment): When first section is relro,
10397         only force alignment for PT_LOAD segments.
10398         * script.cc (script_data_segment_align): New function.
10399         (script_data_segment_relro_end): New function.
10400         * script-c.h (script_data_segment_align): Declare.
10401         (script_data_segment_relro_end): Declare.
10402         * script-sections.h (class Script_sections): Declare
10403         data_segment_align and data_segment_relro_end.  Add fields
10404         segment_align_index_ and saw_relro_end_.
10405         * script-sections.cc (class Sections_element): Add set_is_relro
10406         virtual function.  Add new bool* parameter to place_orphan_here.
10407         Add get_output_section virtual function.
10408         (class Output_section_definition): Add set_is_relro.  Add new
10409         bool* parameter to place_orphan_here.  Add get_output_section.
10410         Add is_relro_ field.
10411         (Output_section_definition::Output_section_definition): Initialize
10412         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10413         and is_relro_ fields.
10414         (Output_section_definition::place_orphan_here): Add is_relro
10415         parameter.
10416         (Output_section_definition::set_section_addresses): Set relro for
10417         output section.
10418         (Output_section_definition::alternate_constraint): Likewise.
10419         (class Orphan_output_section): Add new bool* parameter to
10420         place_orphan_here.  Add get_output_section.
10421         (Orphan_output_section::place_orphan_here): Add is_relro
10422         parameter.
10423         (Script_sections::Script_sections): Initialize
10424         data_segment_align_index_ and saw_relro_end_.
10425         (Script_sections::data_segment_align): New function.
10426         (Script_sections::data_segment_relro_end): New function.
10427         (Script_sections::place_orphan): Set or clear is_relro.
10428         (Script_sections::set_section_addresses): Force alignment of first
10429         TLS section.
10430         * yyscript.y (exp): Call script_data_segment_align and
10431         script_data_segment_relro_end.
10432         * testsuite/relro_script_test.t: New file.
10433         * testsuite/relro_test.cc (using_script): Declare.
10434         (t1, t2): Test using_script.
10435         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10436         (relro_script_test_SOURCES): Define.
10437         (relro_script_test_DEPENDENCIES): Define.
10438         (relro_script_test_LDFLAGS): Define.
10439         (relro_script_test_LDADD): Define.
10440         (relro_script_test.so): New target.
10441         * testsuite/Makefile.in: Rebuild.
10442
10443 2008-08-06  Cary Coutant <ccoutant@google.com>
10444
10445         * archive.cc (Archive::total_archives, Archive::total_members)
10446         (Archive::total_members_loaded): New variables.
10447         (Archive::setup): Add parameter.  Add option to preread
10448         archive symbols.
10449         (Archive::read_armap): Add counter.
10450         (Archive::get_file_and_offset): New function.
10451         (Archive::get_elf_object_for_member): New function.
10452         (Archive::read_all_symbols): New function.
10453         (Archive::read_symbols): New function.
10454         (Archive::add_symbols): Add counters.
10455         (Archive::include_all_members): Use armap to find members if it's
10456         already built.
10457         (Archive::include_member): Skip reading symbols if already read.
10458         Factored code into Archive::get_file_and_offset and
10459         Archive::get_elf_object_for_member.  Changed call to
10460         Mapfile::report_include_archive_member.
10461         (Archive::print_stats): New function.
10462         * archive.h: Declare Object and Read_symbols_data classes.
10463         (Archive::Archive): Add initializers for new members.
10464         (Archive::setup): Add parameter.
10465         (Archive::print_stats): New function.
10466         (Archive::total_archives, Archive::total_members)
10467         (Archive::total_members_loaded): New variables.
10468         (Archive::get_file_and_offset): New function.
10469         (Archive::get_elf_object_for_member): New function.
10470         (Archive::read_all_symbols): New function.
10471         (Archive::read_symbols): New function.
10472         (Archive::Archive_member): New class.
10473         (Archive::members_): New member.
10474         (Archive::num_members_): New member.
10475         * main.cc: Include archive.h.
10476         (main): Call Archive::print_stats.
10477         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10478         archive parameter; member_name is now the fully-decorated name.
10479         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10480         * options.h: (General_options): Add --preread-archive-symbols option.
10481         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10482         Archive::setup.
10483
10484 2008-08-04  Ian Lance Taylor  <iant@google.com>
10485
10486         * symtab.h (Symbol::use_plt_offset): New function.
10487         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10488         * powerpc.cc (Relocate::relocate): Likewise.
10489         * sparc.cc (Relocate::relocate): Likewise.
10490         * x86_64.cc (Relocate::relocate): Likewise.
10491         * testsuite/weak_plt.sh: New test.
10492         * testsuite/weak_plt_main.cc: New test.
10493         * testsuite/weak_plt_shared.cc: New test.
10494         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10495         (check_PROGRAMS): Add weak_plt.
10496         (check_DATA): Add weak_plt_shared.so.
10497         (weak_plt_main_pic.o, weak_plt): New targets.
10498         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10499         * testsuite/Makefile.in: Rebuild.
10500
10501         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10502         gcctestdir/ld.
10503         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10504         * testsuite/Makefile.in: Rebuild.
10505
10506 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10507
10508         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10509         * Makefile.in: Regenerate.
10510         * po/POTFILES.in: Regenerate.
10511
10512 2008-07-29  Ian Lance Taylor  <iant@google.com>
10513
10514         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10515         symbols before other symbols.
10516         * testsuite/script_test_2.cc (test_addr): Declare.
10517         (test_addr_alias): Declare.
10518         (main): Check that test_addr and test_addr_alias have the right
10519         values.
10520         * testsuite/script_test_2.t: Define test_addr_alias and
10521         test_addr.
10522
10523 2008-07-24  Ian Lance Taylor  <iant@google.com>
10524
10525         PR 5990
10526         * descriptors.cc: New file.
10527         * descriptors.h: New file.
10528         * gold-threads.h (class Hold_optional_lock): New class.
10529         * fileread.cc: Include "descriptors.h".
10530         (File_read::~File_read): Release descriptor rather than closing
10531         it.
10532         (File_read::open) [file]: Call open_descriptor rather than open.
10533         Set is_descriptor_opened_.
10534         (File_read::open) [memory]: Assert that descriptor is not open.
10535         (File_read::reopen_descriptor): New function.
10536         (File_read::release): Release descriptor.
10537         (File_read::do_read): Make non-const.  Reopen descriptor.
10538         (File_read::read): Make non-const.
10539         (File_read::make_view): Reopen descriptor.
10540         (File_read::do_readv): Likewise.
10541         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10542         Update declarations.
10543         * layout.cc: Include "descriptors.h".
10544         (Layout::create_build_id): Use open_descriptor rather than open.
10545         * output.cc: Include "descriptors.h".
10546         (Output_file::open): Use open_descriptor rather than open.
10547         * archive.cc (Archive::const_iterator): Change Archive to be
10548         non-const.
10549         (Archive::begin, Archive::end): Make non-const.
10550         (Archive::count_members): Likewise.
10551         * archive.h (class Archive): Update declarations.
10552         * object.h (Object::read): Make non-const.
10553         * Makefile.am (CCFILES): Add descriptors.cc.
10554         (HFILES): Add descriptors.h.
10555         * Makefile.in: Rebuild.
10556
10557         PR 6716
10558         * gold.h: Always include <clocale>.  Add Solaris workarounds
10559         following code in binutils/sysdep.h.
10560
10561         PR 6048
10562         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10563         this->eh_frame_hdr_ is NULL before using it.
10564
10565         * dynobj.cc (Versions::Versions): Update comment.
10566
10567         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10568         the base version name.
10569
10570         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10571         array size plus one.
10572         (Stringpool_template::set_string_offsets): Subtract one from key
10573         before using it as an array index.
10574         (Stringpool_template::get_offset_with_length): Likewise.
10575         (Stringpool_template::write_to_buffer): Likewise.
10576         * stringpool.h (Stringpool_template::get_offset_from_key):
10577         Likewise.
10578
10579 2008-07-23  Ian Lance Taylor  <iant@google.com>
10580
10581         PR 6658
10582         * object.h (Merged_symbol_value::value): Do our best to handle a
10583         negative addend.
10584
10585         PR 6647
10586         * script.cc (Version_script_info::get_versions): Don't add empty
10587         version tag to return value.
10588         (Version_script_info::get_symbol_version_helper): Change return
10589         type to bool.  Add pversion parameter.  Change all callers.
10590         (script_register_vers_node): Don't require a non-NULL tag.
10591         * script.h (class Version_script_info): Update declarations.
10592         (Version_script_info::get_symbol_version): Change return type to
10593         bool.  Add version parameter.  Change all callers.
10594         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10595         handling.  Handle an empty version from a version script.
10596         (Symbol_table::define_special_symbol): Likewise.
10597         * testsuite/ver_test_10.script: New file.
10598         * testsuite/ver_test_10.sh: New file.
10599         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10600         (check_DATA): Add ver_test_10.syms.
10601         (ver_test_10.syms, ver_test_10.so): New target.
10602         * testsuite/Makefile.in: Rebuild.
10603
10604 2008-07-23  Simon Baldwin  <simonb@google.com>
10605
10606         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10607         to zero for undefined symbols from dynamic libraries.
10608
10609 2008-07-23  Ian Lance Taylor  <iant@google.com>
10610
10611         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10612         Change all callers.
10613         * symtab.h (class Symbol_table): Update declaration.
10614         * testsuite/ver_test_9.cc: New file.
10615         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10616         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10617         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10618         (ver_test_9.so, ver_test_9.o): New targets.
10619         * testsuite/Makefile.in: Rebuild.
10620
10621 2008-07-22  Ian Lance Taylor  <iant@google.com>
10622
10623         * options.h (class General_options): Define --check-sections.
10624         * layout.cc (Layout::set_segment_offsets): Handle
10625         --check-sections.
10626
10627         * options.h (class General_options): Define -n/--nmagic and
10628         -N/--omagic.
10629         * options.cc (General_options::finalize): For -n/--nmagic or
10630         -N/--omagic, set -static.
10631         * layout.cc (Layout::attach_allocated_section_to_segment): If
10632         -N/--omagic, don't put read-only and read-write sections in
10633         different segments.
10634         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10635         finding a read-only segment.
10636         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10637         don't set the minimum segment alignment to the common page size,
10638         and don't set the file offset to the address modulo the page size.
10639         * script-sections.cc (Script_sections::create_segments): If
10640         -n/--omagic, don't put read-only and read-write sections in
10641         different segments.
10642
10643         * cref.cc: New file.
10644         * cref.h: New file.
10645         * options.h (class General_options): Add --print-symbol-counts.
10646         * main.cc (main): Issue defined symbol report if requested.
10647         * archive.cc (Archive::interpret_header): Make into a const member
10648         function.
10649         (Archive::add_symbols): Call Input_objects::archive_start and
10650         archive_stop.
10651         (Archive::const_iterator): Define new class.
10652         (Archive::begin, Archive::end): New functions.
10653         (Archive::include_all_members): Rewrite to use iterator.
10654         (Archive::count_members): New function.
10655         * archive.h (class Archive): Update declarations.
10656         (Archive::filename): New function.
10657         * object.cc: Include "cref.h".
10658         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10659         (Sized_relobj::do_get_global_symbol_counts): New function.
10660         (Input_objects::add_object): Add object to cross-referencer.
10661         (Input_objects::archive_start): New function.
10662         (Input_objects::archive_stop): New function.
10663         (Input_objects::print_symbol_counts): New function.
10664         * object.h: Declare Cref and Archive.
10665         (Object::get_global_symbol_counts): New function.
10666         (Object::do_get_global_symbol_counts): New pure virtual function.
10667         (class Sized_relobj): Add defined_count_ field.  Update
10668         declarations.
10669         (class Input_objects): Add cref_ field.  Update constructor.
10670         Update declarations.
10671         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10672         defined_count_.
10673         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10674         symbol counts.
10675         (Sized_dynobj::do_get_global_symbol_counts): New function.
10676         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10677         defined_count_.  Update declarations.  Define Symbols typedef.
10678         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10679         parameter.  Change all callers.
10680         (Symbol_table::add_from_dynobj): Add sympointers and defined
10681         parameters.  Change all callers.
10682         * symtab.h (class Symbol_table): Update declarations.
10683         * Makefile.am (CCFILES): Add cref.cc.
10684         (HFILES): Add cref.h.
10685         * Makefile.in: Rebuild.
10686
10687 2008-07-22  Simon Baldwin  <simonb@google.com>
10688
10689         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10690         to zero when writing undefined symbols.
10691
10692 2008-07-22  Ian Lance Taylor  <iant@google.com>
10693
10694         * output.cc (Output_section::add_input_section): Don't try to
10695         merge empty merge sections.
10696
10697 2008-07-21  Craig Silverstein  <csilvers@google.com>
10698
10699         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10700         Include symbol version in error message.
10701
10702 2008-07-20  Chris Demetriou  <cgd@google.com>
10703
10704         * configure.ac (gold_cv_c_random_seed): New configured variable.
10705         (RANDOM_SEED_CFLAGS): New substituted variable.
10706         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10707         * configure: Rebuild.
10708         * Makefile.in: Likewise.
10709         * testsuite/Makefile.in: Likewise.
10710
10711 2008-07-18  Ian Lance Taylor  <iant@google.com>
10712
10713         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10714         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10715         * testsuite/ver_test_main.cc (main): Call t4.
10716         (t4, t4_2a): Define.
10717         * testsuite/ver_test_2.cc (t4_2): Define.
10718         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10719         * testsuite/ver_test_4.cc (t4_2a): Define.
10720         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10721         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10722
10723 2008-07-17  Ian Lance Taylor  <iant@google.com>
10724
10725         * dynobj.cc (Versions::add_def): If we give an error about a
10726         missing version, go ahead and create the version anyhow.
10727
10728 2008-07-10  Ian Lance Taylor  <iant@google.com>
10729
10730         Handle output sections with more than 0x7fffffff bytes.
10731         * object.h (class Relobj): Change map_to_output_ to
10732         output_sections_, and just keep a section pointer.  Change all
10733         uses.  Move comdat group support to Sized_relobj.
10734         (Relobj::is_section_specially_mapped): Remove.
10735         (Relobj::output_section): Remove poff parameter.  Change all
10736         callers.
10737         (Relobj::output_section_offset): New function.
10738         (Relobj::set_section_offset): Rewrite.
10739         (Relobj::map_to_output): Remove.
10740         (Relobj::output_sections): New function.
10741         (Relobj::do_output_section_offset): New pure virtual function.
10742         (Relobj::do_set_section_offset): Likewise.
10743         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10744         group support from Relobj.  Update declarations.
10745         (Sized_relobj::get_output_section_offset): New function.
10746         (Sized_relobj::do_output_section_offset): New function.
10747         (Sized_relobj::do_set_section_offset): New function.
10748         * object.cc (Relobj::output_section_address): Remove.
10749         (Sized_relobj::Sized_relobj): Initialize new fields.
10750         (Sized_relobj::include_section_group): Cast find_kept_object to
10751         Sized_relobj.
10752         (Sized_relobj::include_linkonce_section): Likewise.
10753         (Sized_relobj::do_layout): Use separate arrays for output section
10754         and output offset.
10755         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10756         output_sections.
10757         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10758         output_sections and section_offsets.
10759         (Sized_relobj::write_local_symbols): Likewise.
10760         (map_to_kept_section): Compute output address directly.
10761         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10762         output_sections and section_offsets.
10763         (Sized_relobj::write_sections): Likewise.
10764         (Sized_relobj::relocate_sections): Likewise.
10765         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10766         * output.h (class Output_reloc): Update declarations.  Change
10767         u2_.relobj to Sized_relobj*.
10768         (class Output_data_reloc): Change add functions to use
10769         Sized_relobj*.
10770         * output.cc (Output_reloc::Output_reloc): Change relobj to
10771         Sized_relobj*.
10772         (Output_reloc::local_section_offset): Change return type to
10773         Elf_Addr.  Use get_output_section_offset.
10774         (Output_reloc::get_address): Likewise.
10775         (Output_section::is_input_address_mapped): Don't call
10776         is_section_specially_mapped.
10777         (Output_section::output_offset): Likewise.
10778         (Output_section::output_address): Likewise.
10779         (Output_section::starting_output_address): Likewise.
10780         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10781         parameter to Sized_relobj*.
10782         (Copy_relocs::need_copy_reloc): Likewise.
10783         (Copy_relocs::save): Likewise.
10784         * copy-relocs.h (class Copy_relocs): Update declarations.
10785         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10786         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10787         * target-reloc.h (relocate_for_relocatable): Change
10788         offset_in_output_section type to Elf_Addr.  Change code that uses
10789         it as well.
10790         * layout.cc (Layout::layout): Always set *off.
10791         * mapfile.cc (Mapfile::print_input_section): Use
10792         output_section_offset.
10793         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10794         Sized_relobj*.
10795         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10796         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10797         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10798
10799 2008-07-03  Ian Lance Taylor  <iant@google.com>
10800
10801         * layout.cc (Layout::include_section): Do not discard unrecognized
10802         SHT_STRTAB sections.
10803
10804 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10805
10806         * script.cc (Lex::can_continue_name): Make '?' allowable in
10807         version-script names.
10808         * testsuite/version_script.map: Change glob pattern to use '?'
10809
10810 2008-06-30  Manish Singh  <yosh@gimp.org>
10811
10812         PR 6585
10813         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10814         Correct typo.
10815
10816 2008-06-30  Ian Lance Taylor  <iant@google.com>
10817
10818         PR 6660
10819         PR 6682
10820         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10821         versions]: Don't try to read the value in the contents, since we
10822         don't use it.  Use the template endianness when writing.
10823
10824 2008-06-25  Cary Coutant  <ccoutant@google.com>
10825
10826         * fileread.cc (File_read::make_view): Assert on zero-length view.
10827         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10828         symbol table when there are no symbols to read.
10829
10830 2008-06-23  Craig Silverstein  <csilvers@google.com>
10831
10832         * version.cc (version_string): Bump to 1.7
10833
10834 2008-06-18  Craig Silverstein  <csilvers@google.com>
10835
10836         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10837         constant 0xFFFF to type Valtype.
10838         (Powerpc_relocate_functions::rel16_ha): Likewise.
10839
10840 2008-06-17  Ian Lance Taylor  <iant@google.com>
10841
10842         * output.h (Output_section::Input_section): Initialize p2align_ to
10843         zero for Output_section_data constructors.
10844         (Output_section::Input_section::addralign): If not an input
10845         section, return the alignment of the Output_section_data.
10846         * testsuite/copy_test.cc: New file.
10847         * testsuite/copy_test_1.cc: New file.
10848         * testsuite/copy_test_2.cc: New file.
10849         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10850         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10851         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10852         (copy_test_1_pic.o, copy_test_1.so): New targets.
10853         (copy_test_2_pic.o, copy_test_2.so): New targets.
10854         * testsuite/Makefile.in: Rebuild.
10855
10856         * script-sections.cc (Script_sections::place_orphan): Initialize
10857         local variable exact.
10858
10859 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10860
10861         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10862
10863 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10864             David S. Miller  <davem@davemloft.net>
10865
10866         * powerpc.cc: New file.
10867         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10868         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10869         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10870         * Makefile.in: Rebuild.
10871
10872 2008-06-09  Ian Lance Taylor  <iant@google.com>
10873
10874         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10875         <exception>.
10876         (throwing, orig_terminate): New static variables.
10877         (terminate_handler): New static function.
10878         (t2): Set terminate handler.
10879
10880 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10881
10882         PR 6584
10883         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10884         alignment.
10885
10886 2008-05-30  Cary Coutant  <ccoutant@google.com>
10887
10888         * archive.cc (Archive::include_all_members) Correct to step
10889         over symbol table and extended name table in thin archives.
10890
10891 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10892
10893         PR 6407
10894         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10895         calculation.
10896
10897 2008-05-28  Caleb Howe  <cshowe@google.com>
10898
10899         * reduced_debug_output.cc: New file.
10900         * reduced_debug_output.h: New file.
10901         * options.h (class General_options): Add --strip-debug-non-line.
10902         * options.cc (General_options::finalize): Add strip_debug_non_line
10903         to the strip heirarchy.
10904         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10905         fields.
10906         * layout.cc: Include "reduced_debug_output.h".
10907         (Layout::Layout): Initialize new fields.
10908         (line_only_debug_sections): New static array.
10909         (is_lines_only_debug_sections): New static inline function.
10910         (Layout::include_section): Handle --strip-debug-non-line.
10911         (Layout::make_output_section): If --strip-debug-non-line, build
10912         new output sections for .debug_abbrev and .debug_info.
10913         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10914         gold.  Warn about possible overflow.
10915         (read_signed_LEB_128): Likewise.
10916         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10917         (read_signed_LEB_128): Declare.
10918         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10919         (HFILES): Add reduced_debug_output.h.
10920         * Makefile.in: Rebuild.
10921
10922 2008-05-21  Ian Lance Taylor  <iant@google.com>
10923
10924         * mapfile.cc: New file.
10925         * mapfile.h: New file.
10926         * options.h (class General_options): Add -M/--print-map and -Map.
10927         * options.cc (General_options::finalize): Make -M equivalent to
10928         -Map -.
10929         * main.cc: Include <cstdio> and "mapfile.h".
10930         (main): Open mapfile if requested.
10931         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10932         constructor.  Change caller.
10933         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10934         (queue_middle_tasks): Likewise.
10935         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10936         declarations.
10937         * archive.cc: Include "mapfile.h".
10938         (Archive::add_symbols): Add mapfile parameter.  Change all
10939         callers.  Pass mapfile, symbol, and reason to include_member.
10940         (Archive::include_all_members): Add mapfile parameter.  Change all
10941         callers.
10942         (Archive::include_member): Add mapfile, sym, and why parameters.
10943         Change all callers.  Report inclusion to map file.
10944         * archive.h: Include "fileread.h".
10945         (class Archive): Update declarations.
10946         (Archive::file): New const method.
10947         (class Add_archive_symbols): Add mapfile_ field.  Update
10948         constructor.  Change all callers.
10949         * readsyms.h (class Read_symbols): Likewise.
10950         (class Finish_group): Likewise.
10951         (class Read_script): Likewise.
10952         * common.cc: Include "mapfile.h".
10953         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10954         all callers.
10955         (Symbol_table::do_allocate_commons): Likewise.
10956         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10957         symbol allocation to mapfile.
10958         * common.h (class Allocate_commons_task): Add mapfile_ field.
10959         Update constructor.  Change all callers.
10960         * symtab.h (class Symbol_table): Update declarations.
10961         * layout.cc: Include "mapfile.h".
10962         (Layout_task_runner::run): Print information to mapfile.
10963         (Layout::create_gold_note): Change Output_data_fixed_space to
10964         Output_data_zero_fill.
10965         (Layout::create_build_id): Likewise.
10966         (Layout::print_to_mapfile): New function.
10967         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10968         constructor.  Change caller.
10969         (class Layout): Declare print_to_mapfile.
10970         * output.cc (Output_section::Input_section::print_to_mapfile): New
10971         function.
10972         (Output_section::add_input_section): If producing a map, always
10973         add to input_sections_ list.
10974         (Output_section::do_print_to_mapfile): New function.
10975         (Output_segment::print_sections_to_mapfile): New function.
10976         (Output_segment::print_section_list_to_mapfile): New function.
10977         * output.h: Include "mapfile.h".
10978         (Output_data::print_to_mapfile): New function.
10979         (Output_data::do_print_to_mapfile): New virtual function.
10980         (Output_segment_headers::do_print_to_mapfile): New function.
10981         (Output_file_header::do_print_to_mapfile): New function.
10982         (Output_data_const::do_print_to_mapfile): New function.
10983         (class Output_data_const_buffer): Add map_name_ field.  Update
10984         constructor.  Change all callers.  Add do_print_to_mapfile
10985         function.
10986         (class Output_data_fixed_space): Likewise.
10987         (class Output_data_space): Likewise.
10988         (class Output_data_zero_fill): New class.
10989         (Output_data_strtab::do_print_to_mapfile): New function.
10990         (Output_data_reloc_base::do_print_to_mapfile): New function.
10991         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10992         (Output_data_group::do_print_to_mapfile): New function.
10993         (Output_data_got::do_print_to_mapfile): New function.
10994         (Output_data_dynamic::do_print_to_mapfile): New function.
10995         (Output_symtab_xindex::do_print_to_mapfile): New function.
10996         (class Output_section): Declare do_print_to_mapflie.  Declare
10997         print_to_mapfile in Input_section.
10998         (class Output_segment): Declare new functions.
10999         * object.h (Sized_relobj::symbol_count): New function.
11000         * script-sections.cc
11001         (Output_section_element_dot_assignment::set_section_addresses):
11002         Change Output_data_fixed_space to Output_data_zero_fill.
11003         (Output_data_expression::do_print_to_mapfile): New function.
11004         * script.cc (read_input_script): Add mapfile parameter.  Change
11005         all callers.
11006         * script.h (read_input_script): Update declaration.
11007         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11008         (Eh_frame::do_print_to_mapfile): New function.
11009         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11010         (Output_merge_string::do_print_to_mapfile): New function.
11011         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11012         function.
11013         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11014         function.
11015         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11016         function.
11017         * Makefile.am (CCFILES): Add mapfile.cc.
11018         (HFILES): Add mapfile.h.
11019         * Makefile.in: Rebuild.
11020
11021 2008-05-19  Ian Lance Taylor  <iant@google.com>
11022
11023         * options.h (class General_options): Add -z relro.
11024         * layout.cc (Layout::Layout): Initialize relro_segment_.
11025         (Layout::add_output_section_data): Return the output section.
11026         (Layout::make_output_section): Rcognize relro sections and mark
11027         them appropriately.
11028         (Layout::attach_allocated_section_to_segment): Put relro sections
11029         in a PT_GNU_RELRO segment.
11030         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11031         section as relro.
11032         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11033         PT_TLS segments.
11034         (Layout::linkonce_mapping): Map d.rel.ro.local to
11035         .data.rel.ro.local.
11036         (Layout::output_section_name): Us .data.rel.ro.local for any
11037         section which begins with that.
11038         * layout.h (class Layout): Update add_output_section_data
11039         declaration.  Add relro_segment_ field.
11040         * output.cc (Output_section::Output_section): Initialize is_relro_
11041         and is_relro_local_ fields.
11042         (Output_segment::add_output_section): Group relro sections.
11043         (Output_segment::is_first_section_relro): New function.
11044         (Output_segment::maximum_alignment): If there is a relro section,
11045         align the segment to the common page size.
11046         (Output_segment::set_section_addresses): Track whether we are
11047         looking at relro sections.  If the last section is a relro
11048         section, align to the common page size.
11049         (Output_segment::set_section_list_addresses): Add in_relro
11050         parameter.  Change all callers.  Align to the page size when
11051         moving from relro to non-relro section.
11052         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11053         segment.
11054         * output.h (class Output_section): Add is_relro_ and
11055         is_relro_local_ fields.
11056         (Output_section::is_relro): New function.
11057         (Output_section::set_is_relro): New function.
11058         (Output_section::is_relro_local): New function.
11059         (Output_section::set_is_relro_local): New function.
11060         (class Output_segment): Update declarations.
11061         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11062         * sparc.cc (Target_sparc::got_section): Likewise.
11063         * x86_64.cc (Target_x86_64::got_section): Likewise.
11064         * testsuite/relro_test_main.cc: New file.
11065         * testsuite/relro_test.cc: New file.
11066         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11067         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11068         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11069         (relro_test.so, relro_test_pic.o): New targets.
11070         * testsuite/Makefile.in: Rebuild.
11071
11072 2008-05-16  Ian Lance Taylor  <iant@google.com>
11073
11074         * output.cc (Output_segment::add_output_section): Remove front
11075         parameter.
11076         * output.h (class Output_segment): Remove
11077         add_initial_output_section and overloaded add_output_section.
11078         Update declaration of remaining add_output_section.
11079         * layout.cc (Layout::create_interp): Call add_output_section
11080         rather than add_initial_output_section.
11081         (Layout::finish_dynamic_section): Likewise.
11082
11083         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11084         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11085         know the dynamic type.
11086         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11087         field.  Initialize it in constructor.
11088         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11089         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11090         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11091         reloc.
11092
11093         * output.cc (Output_reloc::get_address): Change return type to
11094         Elf_Addr.
11095         * output.h (class Output_reloc): Update get_address declaration.
11096         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11097         for section addresses.
11098
11099 2008-05-09  Ian Lance Taylor  <iant@google.com>
11100
11101         PR 6493
11102         * gold.cc (gold_nomem): Use return value of write.
11103
11104 2008-05-08  Ian Lance Taylor  <iant@google.com>
11105
11106         * symtab.c (Symbol::init_base_output_data): Add version
11107         parameter.  Change all callers.
11108         (Symbol::init_base_output_segment): Likewise.
11109         (Symbol::init_base_constant): Likewise.
11110         (Symbol::init_base_undefined): Likewise.
11111         (Sized_symbol::init_output_data): Likewise.
11112         (Sized_symbol::init_output_segment): Likewise.
11113         (Sized_symbol::init_constant): Likewise.
11114         (Sized_symbol::init_undefined): Likewise.
11115         (Symbol_table::do_define_in_output_data): If the new symbol has a
11116         version, mark it as the default.
11117         (Symbol_table::do_define_in_output_segment): Likewise.
11118         (Symbol_table::do_define_as_constant): Likewise.
11119         * symtab.h (class Symbol): Update declarations.
11120         (class Sized_symbol): Likewise.
11121         * resolve.cc (Symbol::override_version): New function.
11122         (Symbol::override_base): Call override_version.
11123         (Symbol::override_base_with_special): Likewise.
11124         * testsuite/ver_script_8.script: New file.
11125         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11126         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11127         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11128         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11129
11130 2008-05-06  Ian Lance Taylor  <iant@google.com>
11131
11132         PR 6049
11133         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11134         functions.
11135         (class General_options): Remove existing --undefined, and add
11136         --no-undefined instead.  Add new --undefined as synonym for -u.
11137         * archive.cc (Archive::add_symbols): Check whether symbol was
11138         named with -u.
11139         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11140         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11141         all uses.  Add IS_UNDEFINED.  Update declarations to split
11142         different versions of init_base.  Declare init_base_undefined.
11143         (Symbol::is_defined): Handle IS_UNDEFINED.
11144         (Symbol::is_undefined): Likewise.
11145         (Symbol::is_weak_undefined): Call is_undefined.
11146         (Symbol::is_absolute): Handle IS_CONSTANT.
11147         (class Sized_symbol): Update declarations to split different
11148         versions of init.  Declare init_undefined.
11149         (class Symbol_table): Declare new functions.
11150         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11151         Change all callers.
11152         (Symbol::init_base_output_data): Likewise.
11153         (Symbol::init_base_output_segment): Likewise.
11154         (Symbol::init_base_constant): Likewise.
11155         (Symbol::init_base_undefined): New function.
11156         (Sized_symbol::init_object): Rename from init.  Change all
11157         callers.
11158         (Sized_symbol::init_output_data): Likewise.
11159         (Sized_symbol::init_output_segment): Likewise.
11160         (Sized_symbol::init_constant): Likewise.
11161         (Sized_symbol::init_undefined): New function.
11162         (Symbol_table::add_undefined_symbols_from_command_line): New
11163         function.
11164         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11165         function.
11166         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11167         (Symbol::output_section): Likewise.
11168         (Symbol::set_output_section): Likewise.
11169         (Symbol_table::sized_finalize_symbol): Likewise.
11170         (Symbol_table::sized_write_globals): Likewise.
11171         * resolve.cc (Symbol_table::should_override): Likewise.
11172         (Symbol::override_base_with_special): Likewise.
11173
11174         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11175         symbol, change it to have default visibility.
11176         * testsuite/protected_1.cc: New file.
11177         * testsuite/protected_2.cc: New file.
11178         * testsuite/protected_3.cc: New file.
11179         * testsuite/protected_main_1.cc: New file.
11180         * testsuite/protected_main_2.cc: New file.
11181         * testsuite/protected_main_3.cc: New file.
11182         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11183         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11184         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11185         (protected_1.so): New target.
11186         (protected_1_pic.o, protected_2_pic.o): New targets.
11187         (protected_3_pic.o): New target.
11188         (check_PROGRAMS): Add protected_2.
11189         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11190         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11191         * testsuite/Makefile.in: Rebuild.
11192
11193         * options.h (DEFINE_var): Add set_user_set_##varname__.
11194         (DEFINE_bool_alias): New macro.
11195         (class General_options): Define -Bstatic using DEFINE_bool_alias
11196         rather than DEFINE_special.  Add --undefined as an alias for -z
11197         defs.
11198         * options.cc (General_options::parse_Bstatic): Remove.
11199
11200         * options.h (class General_options): Add --fatal-warnings.
11201         * main.cc (main): Implement --fatal-warnings.
11202         * errors.h (Errors::warning_count): New function.
11203
11204         * options.h (class General_options): Add -Bsymbolic-functions.
11205         * symtab.h (Symbol::is_preemptible): Check for
11206         -Bsymbolic-functions.
11207
11208 2008-05-05  Ian Lance Taylor  <iant@google.com>
11209
11210         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11211         as noVARNAME rather than no-VARNAME.
11212         (class General_options): Add option -z combreloc.
11213         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11214         get_address.
11215         (Output_reloc::sort_before) [SHT_REL]: New function.
11216         (Output_reloc::sort_before) [SHT_RELA]: New function.
11217         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11218         Sort_relocs_comparison.
11219         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11220         parameter.  Change all callers.
11221         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11222         sort_relocs parameter.  Change all callers.
11223         * output.cc (Output_reloc::get_address): New function, broken out
11224         of write_rel.
11225         (Output_reloc::write_rel): Call it.
11226         (Output_reloc::compare): New function.
11227         (Output_data_reloc_base::do_write): Optionally sort relocs.
11228
11229         * configure.ac: If targ_extra_obj is set, link it in.
11230         * configure.tgt: Initialize all variables.
11231         (x86_64*): Set targ_extra_obj and targ_extra_size.
11232         * configure: Rebuild.
11233
11234         * object.cc (Sized_relobj::include_section_group): Adjust section
11235         indexes read from group data.  Build vector to pass to
11236         layout_group.
11237         * layout.cc (Layout::layout_group): Add flags and shndxes
11238         parameters.  Remove contents parameter.  Change caller.  Update
11239         explicit instantiations.
11240         * layout.h (class Layout): Update layout_group declaration.
11241         * output.cc (Output_data_group::Output_data_group): Add flags and
11242         input_shndxes parameters.  Remove contents parameter.  Change
11243         caller.
11244         (Output_data_group::do_write): Change input_sections_ to
11245         input_shndxes_.
11246         * output.h (class Output_data_group): Update constructor
11247         declaration.  Rename input_sections_ to input_shndxes_.
11248         * testsuite/many_sections_test.cc: Add template.
11249
11250 2008-04-30  Cary Coutant  <ccoutant@google.com>
11251
11252         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11253
11254         * layout.cc (Layout::include_section): Refactored check for debug
11255         info section.
11256         (Layout::add_comdat): Add new parameters.  Change type
11257         of signature parameter.  Add object and shndx to signatures table.
11258         (Layout::find_kept_object): New function.
11259         * layout.h: Include <cstring>.
11260         (Layout::is_debug_info_section): New function.
11261         (Layout::add_comdat): Add new parameters.
11262         (Layout::find_kept_object): New function.
11263         (Layout::Kept_section): New struct.
11264         (Layout::Signatures): Change type of map range.
11265         * object.cc (Relobj::output_section_address): New function.
11266         (Sized_relobj::include_section_group): Add new parameters.  Change
11267         calls to Layout::add_comdat.  Change to build table of kept comdat
11268         groups and table mapping discarded sections to kept sections.
11269         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11270         (Sized_relobj::do_layout): Change calls to include_section_group and
11271         include_linkonce_section.
11272         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11273         value to zero when section is discarded.
11274         (Sized_relobj::map_to_kept_section): New function.
11275         * object.h (Relobj::output_section_address): New function.
11276         (Relobj::Comdat_group): New type.
11277         (Relobj::find_comdat_group): New function.
11278         (Relobj::Comdat_group_table): New type.
11279         (Relobj::Kept_comdat_section): New type.
11280         (Relobj::Kept_comdat_section_table): New type.
11281         (Relobj::add_comdat_group): New function.
11282         (Relobj::set_kept_comdat_section): New function.
11283         (Relobj::get_kept_comdat_section): New function.
11284         (Relobj::comdat_groups_): New field.
11285         (Relobj::kept_comdat_sections_): New field.
11286         (Symbol_value::input_value): Update comment.
11287         (Sized_relobj::map_to_kept_section) New function.
11288         (Sized_relobj::include_linkonce_section): Add new parameter.
11289         * target-reloc.h (Comdat_behavior): New type.
11290         (get_comdat_behavior): New function.
11291         (relocate_section): Add code to map a discarded section to the
11292         corresponding kept section when applying a relocation.
11293
11294 2008-04-30  Craig Silverstein  <csilvers@google.com>
11295
11296         * dwarf_reader.cc (next_generation_count): New static var.
11297         (Addr2line_cache_entry): New struct.
11298         (addr2line_cache): New static var.
11299         (Dwarf_line_info::one_addr2line): Added caching.
11300         (Dwarf_line_info::clear_addr2line_cache): New function.
11301         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11302         cache-size parameter.
11303         (Dwarf_line_info::one_addr2line_cache): New function.
11304         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11305         new cache-size argument to one_addr2line(), and clear cache.
11306
11307 2008-04-28  Cary Coutant  <ccoutant@google.com>
11308
11309         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11310         R_386_PC8 relocations.
11311
11312 2008-04-23  Ian Lance Taylor  <iant@google.com>
11313
11314         * object.cc (Sized_relobj::include_section_group): Check for
11315         invalid section group.
11316
11317         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11318         header size.
11319
11320         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11321         than read for file header.
11322         * archive.cc (Archive::include_member): Likewise.
11323
11324 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11325
11326         * aclocal.m4: Regenerate.
11327         * configure: Regenerate.
11328
11329 2008-04-19  Ian Lance Taylor  <iant@google.com>
11330
11331         * version.cc (version_string): Bump to 1.6.
11332
11333         * testsuite/Makefile.am (many_sections_r_test): New target.
11334         (many_sections_r_test_SOURCES): Remove.
11335         (many_sections_r_test_DEPENDENCIES): Remove.
11336         (many_sections_r_test_LDFLAGS): Remove.
11337         (many_sections_r_test_LDADD): Remove.
11338
11339         * object.cc (Sized_relobj::do_add_symbols): Always pass
11340         local_symbol_count_ to add_from_relobj.
11341
11342         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11343         every thousand variables.
11344         * testsuite/Makefile.in: Rebuild.
11345
11346         * object.cc (Xindex::initialize_symtab_xindex): New function.
11347         (Xindex::read_symtab_xindex): New function.
11348         (Xindex::sym_xindex_to_shndx): New function.
11349         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11350         available.
11351         (Sized_relobj::do_initialize_xindex): New function.
11352         (Sized_relobj::do_read_symbols): Adjust section links.
11353         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11354         parameter.  Change all callers.
11355         (Sized_relobj::include_section_group): Adjust section links and
11356         symbol section indexes.
11357         (Sized_relobj::do_layout): Adjust section links.
11358         (Sized_relobj::do_count_local_symbols): Adjust section links and
11359         symbol section indexes.
11360         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11361         ordinary and special symbols.
11362         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11363         dynsym_xindex parameters.  Change all callers.  Adjust section
11364         links.  Use SHN_XINDEX when needed.
11365         (Sized_relobj::get_symbol_location_info): Adjust section links.
11366         Don't get fooled by special symbols.
11367         * object.h (class Xindex): Define.
11368         (class Object): Add xindex_ parameter.  Declare virtual functoin
11369         do_initialize_xindex.
11370         (Object::adjust_sym_shndx): New function.
11371         (Object::set_xindex): New protected function.
11372         (class Symbol_value): Add is_ordinary_shndx_ field.
11373         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11374         (Symbol_value::value): Assert ordinary section.
11375         (Symbol_value::initialize_input_to_output_map): Likewise.
11376         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11377         Change all callers.
11378         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11379         all callers.
11380         (class Sized_relobj): Update declarations.
11381         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11382         parameter.  Change all callers.
11383         (Sized_relobj::adjust_shndx): New function.
11384         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11385         field.
11386         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11387         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11388         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11389         (Sized_dynobj::read_dynsym_section): Adjust section links.
11390         (Sized_dynobj::read_dynamic): Likewise.
11391         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11392         section links.
11393         (Sized_dynobj::do_initialize_xindex): New function.
11394         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11395         do_initialize_xindex.
11396         (Sized_dynobj::adjust_shndx): New function.
11397         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11398         dynsym_xindex_ fields.
11399         (Layout::finalize): Add a call to set_section_indexes before
11400         creating the symtab sections.
11401         (Layout::set_section_indexes): Don't do anything if the section
11402         already has a section index.
11403         (Layout::create_symtab_sections): Add shnum parameter.  Change
11404         caller.  Create .symtab_shndx section if needed.
11405         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11406         caller.
11407         (Layout::allocated_output_section_count): New function.
11408         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11409         needed.
11410         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11411         fields.  Update declarations.
11412         (Layout::symtab_xindex): New function.
11413         (Layout::dynsym_xindex): New function.
11414         (class Write_symbols_task): Add layout_ field.
11415         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11416         Change caller.
11417         * output.cc (Output_section_headers::Output_section_headers): Add
11418         shstrtab_section parameter.  Change all callers.
11419         (Output_section_headers::do_sized_write): Store overflow values
11420         for section count and section string table section index in
11421         section header zero.
11422         (Output_file_header::do_sized_write): Check for overflow of
11423         section count and section string table section index.
11424         (Output_symtab_xindex::do_write): New function.
11425         (Output_symtab_xindex::endian_do_write): New function.
11426         * output.h (class Output_section_headers): Add shstrtab_section_.
11427         Update declarations.
11428         (class Output_symtab_xindex): Define.
11429         (Output_section::has_out_shndx): New function.
11430         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11431         field.
11432         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11433         Change all callers.
11434         (Sized_symbol::init): Likewise.
11435         (Symbol::output_section): Check for ordinary symbol.
11436         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11437         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11438         callers.
11439         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11440         Change all callers.  Simplify handling of symbols from sections
11441         not included in the link.
11442         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11443         distinction.
11444         (Weak_alias_sorter::operator()): Assert that symbols are
11445         ordinary.
11446         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11447         distinction.
11448         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11449         parameters.  Change all callers.
11450         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11451         symbol distinction.  Use SHN_XINDEX when needed.
11452         (Symbol_table::write_section_symbol): Add symtab_xindex
11453         parameter.  Change all callers.
11454         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11455         SHN_XINDEX when needed.
11456         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11457         declarations.
11458         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11459         (Symbol::is_defined): Check is_ordinary.
11460         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11461         (Symbol::is_absolute, Symbol::is_common): Likewise.
11462         (class Sized_symbol): Update declarations.
11463         (class Symbol_table): Update declarations.
11464         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11465         parameters.  Change all callers.
11466         (Sized_symbol::override): Likewise.
11467         (Symbol_table::override): Likewise.
11468         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11469         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11470         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11471         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11472         to be in an ordinary section.
11473         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11474         object and is_ordinary parameters.  Change all callers.
11475         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11476         Change all callers.  Don't add undefined or non-ordinary symbols
11477         to reloc_map_.
11478         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11479         Change all callers.
11480         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11481         declarations.
11482         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11483         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11484         (Sized_relobj::relocate_sections): Likewise.
11485         * target-reloc.h (scan_relocs): Adjust section symbol index.
11486         (scan_relocatable_relocs): Likewise.
11487         * i386.cc (Scan::local): Check for ordinary symbols.
11488         * sparc.cc (Scan::local): Likewise.
11489         * x86_64.cc (Scan::local): Likewise.
11490         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11491         to symbol_section_and_value.
11492         * testsuite/many_sections_test.cc: New file.
11493         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11494         (check_PROGRAMS): Add many_sections_test.
11495         (many_sections_test_SOURCES): Define.
11496         (many_sections_test_DEPENDENCIES): Define.
11497         (many_sections_test_LDFLAGS): Define.
11498         (BUILT_SOURCES): Add many_sections_define.h.
11499         (many_sections_define.h): New target.
11500         (BUILT_SOURCES): Add many_sections_check.h.
11501         (many_sections_check.h): New target.
11502         (check_PROGRAMS): Add many_sections_r_test.
11503         (many_sections_r_test_SOURCES): Define.
11504         (many_sections_r_test_DEPENDENCIES): Define.
11505         (many_sections_r_test_LDFLAGS): Define.
11506         (many_sections_r_test_LDADD): Define.
11507         (many_sections_r_test.o): New target.
11508         * testsuite/Makefile.in: Rebuild.
11509
11510 2008-04-17  Cary Coutant  <ccoutant@google.com>
11511
11512         * errors.cc (Errors::info): New function.
11513         (gold_info): New function.
11514         * errors.h (Errors::info): New function.
11515         * gold.h (gold_info): New function.
11516         * object.cc (Input_objects::add_object): Print trace output.
11517         * options.cc (options::parse_set): New function.
11518         (General_options::parse_wrap): Deleted.
11519         (General_options::General_options): Deleted initializer.
11520         * options.h (options::String_set): New typedef.
11521         (options::parse_set): New function.
11522         (DEFINE_set): New macro.
11523         (General_options::wrap): Changed to use DEFINE_set. Changed
11524         callers of any_wrap_symbols and is_wrap_symbol.
11525         (General_options::trace, General_options::trace_symbol):
11526         New options.
11527         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11528         (General_options::wrap_symbols_): Deleted.
11529         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11530
11531 2008-04-17  David S. Miller  <davem@davemloft.net>
11532
11533         * options.cc (General_options::parse_V): New function.
11534         * options.h: Add entries for -V and -Qy.
11535
11536 2008-04-17  Ian Lance Taylor  <iant@google.com>
11537
11538         * common.cc (Symbol_table::allocate_commons): Remove options
11539         parameter.  Change caller.
11540         (Symbol_table::do_allocate_commons): Remove options parameter.
11541         Change caller.  Just call do_allocate_commons_list twice.
11542         (Symbol_table::do_allocate_commons_list): New function, broken out
11543         of do_allocate_commons.
11544         * common.h (class Allocate_commons_task): Remove options_ field.
11545         Update constructor.
11546         * symtab.cc (Symbol_table::Symbol_table): Initialize
11547         tls_commons_.
11548         (Symbol_table::add_from_object): Put TLS common symbols on
11549         tls_commons_ list.
11550         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11551         which are IN_OUTPUT_DATA.
11552         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11553         allocate_commons and do_allocate_commons declarations.  Declare
11554         do_allocate_commons_list.
11555         * gold.cc (queue_middle_tasks): Update creation of
11556         Allocate_commons_task to not pass options.
11557         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11558         (TLS_TEST_C_FLAGS): New variable.
11559         (tls_test_c_pic.o): New target.
11560         (tls_test_shared.so): Link in tls_test_c_pic.o.
11561         (tls_test_c_pic_ie.o): New target.
11562         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11563         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11564         (tls_test_c.o): New target.
11565         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11566         (tls_pic_test_LDADD): Likewise.
11567         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11568         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11569         (tls_test_c_gnu2.o): New target.
11570         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11571         tls_test_c_gnu2.o.
11572         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11573         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11574         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11575         * testsuite/tls_test.cc: Include "config.h".
11576         (t_last): Call t11_last.
11577         * testsuite/tls_test.h (t11, t11_last): Declare.
11578         * testsuite/tls_test_c.c: New file.
11579         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11580         * configure.ac: Check for OpenMP support.
11581         * configure, config.in, Makefile.in: Rebuild.
11582         * testsuite/Makefile.in: Rebuild.
11583
11584 2008-04-16  Cary Coutant  <ccoutant@google.com>
11585
11586         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11587         (Target_i386::tls_base_symbol_defined_): New field.
11588         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11589         (Target_i386::Scan::global): Likewise.
11590         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11591         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11592         (Target_x86_64::tls_base_symbol_defined_): New field.
11593         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11594         (Target_x86_64::Scan::global): Likewise.
11595
11596 2008-04-16  Cary Coutant  <ccoutant@google.com>
11597
11598         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11599         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11600         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11601         building shared libraries.
11602         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11603         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11604         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11605         * testsuite/Makefile.in: Rebuild.
11606         * testsuite/weak_undef.h: New file.
11607         * testsuite/weak_undef_file1.cc: Add extra test cases.
11608         * testsuite/weak_undef_file2.cc: Likewise.
11609         * testsuite/weak_undef_test.cc: Likewise.
11610
11611 2008-04-16  David S. Miller  <davem@davemloft.net>
11612
11613         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11614         Add issued_non_pic_error_ field.  Declare check_non_pic.
11615         (Target_sparc::Scan::check_non_pic): New function.
11616         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11617         (Target_sparc::Scan::global): Likewise.
11618
11619         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11620         * configure: Rebuild.
11621
11622         * options.h (DEFINE_enable): New macro.
11623         (new_dtags): New enable option.
11624         (initfirst, interpose, loadfltr, nodefaultlib,
11625         nodelete, nodlopen, nodump): New -z options.
11626         * layout.cc (Layout:finish_dynamic_section): If new
11627         dtags enabled, emit DT_RUNPATH.  Also, emit a
11628         DT_FLAGS_1 containing any specified -z flags.
11629
11630 2008-04-16  Ian Lance Taylor  <iant@google.com>
11631
11632         * copy-relocs.cc: New file.
11633         * copy-relocs.h: New file.
11634         * reloc.cc: Remove Copy_relocs code.
11635         * reloc.h: Likewise.
11636         * reloc-types.h (struct Reloc_types) [both versions]: Add
11637         get_reloc_addend_noerror.
11638         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11639         variants of add_global which take an addend which must be zero.
11640         * i386.cc: Include "copy-relocs.h".
11641         (class Target_i386): Change type of copy_relocs_ to variable,
11642         update initializer.
11643         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11644         Change all callers.
11645         (Target_i386::do_finalize_sections): Change handling of
11646         copy_relocs_.
11647         * sparc.cc: Include "copy-relocs.h".
11648         (class Target_sparc): Change type of copy_relocs_ to variable,
11649         update initializer.
11650         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11651         Change all callers.
11652         (Target_sparc::do_finalize_sections): Change handling of
11653         copy_relocs_.
11654         * x86_64.cc: Include "copy-relocs.h".
11655         (class Target_x86_64): Change type of copy_relocs_ to variable,
11656         update initializer.
11657         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11658         class.  Change all callers.
11659         (Target_x86_64::do_finalize_sections): Change handling of
11660         copy_relocs_.
11661         * Makefile.am (CCFILES): Add copy-relocs.cc.
11662         (HFILES): Add copy-relocs.h.
11663
11664         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11665
11666         * testsuite/script_test_4.sh: Permit leading zeroes.
11667
11668 2008-04-15  Ian Lance Taylor  <iant@google.com>
11669
11670         * script-sections.cc (Script_sections::create_segments): Use
11671         header_size_adjustment even when there is enough room for the
11672         headers.
11673         * testsuite/script_test_4.sh: New file.
11674         * testsuite/script_test_4.t: New file.
11675         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11676         (check_DATA): Add script_test_4.stdout.
11677         (MOSTLYCLEANFILES): Likewise.
11678         (script_test_4): New target.
11679         (script_test_4.stdout): New target.
11680         * testsuite/Makefile.in: Rebuild.
11681
11682         * sparc.cc: Add definitions for Output_data_plt_sparc class
11683         constants.
11684
11685 2008-04-14  David S. Miller  <davem@davemloft.net>
11686
11687         * sparc.cc: New file.
11688         * Makefile.am (TARGETSOURCES): Add sparc.cc
11689         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11690         * configure.tgt: Document targ_extra_size and
11691         targ_extra_big_endian.  Add entries for sparc-* and
11692         sparc64-*.
11693         * configure.ac: Handle targ_extra_size and
11694         targ_extra_big_endian.
11695         * Makefile.in: Rebuild.
11696         * configure: Likewise.
11697         * po/POTFILES.in: Likewise.
11698         * po/gold.pot: Likewise.
11699
11700 2008-04-14  Ian Lance Taylor  <iant@google.com>
11701
11702         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11703         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11704         in the name/type/flags to section mapping.  Don't call
11705         allocate_output_section.
11706         (Layout::choose_output_section): Change parameter from adjust_name
11707         to is_input_section.  Don't permit input sections after sections
11708         are attached to segments.  Don't call allocate_output_section.
11709         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11710         not write_enable_output_section.
11711         (Layout::make_output_section): Don't push to
11712         unattached_section_list_ nor call attach_to_segment.  Call
11713         attach_section_to_segment if sections are attached.
11714         (Layout::attach_sections_to_segments): New function.
11715         (Layout::attach_section_to_segment): New function.
11716         (Layout::attach_allocated_section_to_segment): Rename from
11717         attach_to_segment.  Remove flags parameter.
11718         (Layout::allocate_output_section): Remove function.
11719         (Layout::write_enable_output_section): Remove function.
11720         * layout.h (class Layout): Update for above changes.  Add new
11721         field sections_are_attached_.
11722         * output.h (Output_section::update_flags_for_input_section): New
11723         function.
11724         * output.cc (Output_section::add_input_section): Call
11725         update_flags_for_input_section.
11726         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11727
11728 2008-04-11  Cary Coutant  <ccoutant@google.com>
11729
11730         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11731         thought unnecessary.
11732         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11733
11734 2008-04-11  Ian Lance Taylor  <iant@google.com>
11735
11736         * output.h (class Output_section_data): Remove inline definition
11737         of set_addralign.
11738         * output.cc (Output_section_data::set_addralign): New function.
11739
11740 2008-04-11  Cary Coutant  <ccoutant@google.com>
11741
11742         Add support for TLS descriptors for i386 and x86_64.
11743         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11744         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11745         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11746         GOT_TYPE_TLS_DESC.
11747         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11748         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11749         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11750         relocations.
11751         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11752         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11753         Fix problem with initial-exec relocations.
11754         (Target_i386::Relocate::relocate_tls): Likewise.
11755         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11756         relaxation.
11757         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11758         support for section-plus-offset dynamic table entries.
11759         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11760         (Output_data_dynamic::Dynamic_entry): Add support for
11761         section-plus-offset dynamic table entries.
11762         (Output_data_dynamic::Classification): Likewise.
11763         (Output_data_dynamic::classification_): Renamed offset_.
11764         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11765         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11766         (Target_x86_64::make_plt_section): New function.
11767         (Target_x86_64::reserve_tlsdesc_entries): New function.
11768         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11769         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11770         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11771         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11772         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11773         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11774         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11775         add extra PLT entry for TLS descriptors.
11776         (Output_data_plt_x86_64::got_): New field.
11777         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11778         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11779         fields.
11780         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11781         descriptors.
11782         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11783         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11784         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11785         R_386_TLS_DESC_CALL relocations.
11786         (Target_x86_64::Scan::global): Likewise.
11787         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11788         for TLS descriptors.
11789         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11790         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11791         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11792         GD-to-IE relaxation.
11793         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11794         and TLS_DESCRIPTORS.
11795         * Makefile.in: Rebuild.
11796         * configure: Rebuild.
11797         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11798         (tls_test_shared2.so): New target.
11799         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11800         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11801         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11802         (tls_shared_gd_to_ie_test_LDADD): New variable.
11803         (tls_shared_gnu2_gd_to_ie_test): New target.
11804         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11805         New targets.
11806         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11807         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11808         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11809         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11810         (tls_shared_gnu2_test): New target.
11811         (tls_test_gnu2_shared.so): New target.
11812         (tls_shared_gnu2_test_SOURCES): New variable.
11813         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11814         (tls_shared_gnu2_test_LDFLAGS): New variable.
11815         (tls_shared_gnu2_test_LDADD): New variable.
11816         * testsuite/Makefile.in: Rebuild.
11817         * testsuite/Makefile.
11818
11819 2008-04-11  Ian Lance Taylor  <iant@google.com>
11820
11821         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11822         justsyms.t.
11823         * testsuite/Makefile.in: Rebuild.
11824
11825         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11826         long.
11827         * testsuite/script_test_2.cc (main): Adjust test.
11828
11829 2008-04-11  David S. Miller  <davem@davemloft.net>
11830             Ian Lance Taylor  <iant@google.com>
11831
11832         * options.h (General_options): Add entries for '-Y' and
11833         '-relax'.
11834         * options.cc (General_options:finalize): If -Y was used, add those
11835         entries to the library path instead of the default "/lib" and
11836         "/usr/lib".
11837
11838 2008-04-11  David S. Miller  <davem@davemloft.net>
11839
11840         * testsuite/justsyms.t: Start at 0x100.
11841         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11842         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11843         long.
11844         * testsuite/script_test_2.cc: Adjust string and section length
11845         checks.
11846
11847 2008-04-09  Ian Lance Taylor  <iant@google.com>
11848
11849         PR gold/5996
11850         * script-sections.cc (Sections_element::allocate_to_segment): Add
11851         orphan parameter.
11852         (Output_section_definition::allocate_to_segment): Likewise.
11853         (Orphan_output_section::allocate_to_segment): Likewise.
11854         (Script_sections::attach_sections_using_phdrs_clause): Don't
11855         propagate non-PT_LOAD segments to orphan sections.
11856         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11857         readelf rather than objdump.
11858         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11859         .interp section and PT_INTERP segment are the same size.
11860         * testsuite/Makefile.in: Rebuild.
11861
11862         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11863         aliases for symbols defined in the same object.
11864         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11865         (weak_alias_test_SOURCES): New variable.
11866         (weak_alias_test_DEPENDENCIES): New variable.
11867         (weak_alias_test_LDFLAGS): New variable.
11868         (weak_alias_test_LDADD): New variable.
11869         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11870         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11871         (weak_alias_test_3.o): New target.
11872         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11873         * testsuite/weak_alias_test_main.cc: New file.
11874         * testsuite/weak_alias_test_1.cc: New file.
11875         * testsuite/weak_alias_test_2.cc: New file.
11876         * testsuite/weak_alias_test_3.cc: New file.
11877
11878 2008-04-08  Ian Lance Taylor  <iant@google.com>
11879
11880         * options.h (class General_options): Add --noinhibit-exec option.
11881         * main.cc (main): Check --noinhibit-exec.
11882
11883         * options.h (class General_options): Define --wrap as a special
11884         option.  Add wrap_symbols_ field.
11885         (General_options::any_wrap_symbols): New function.
11886         (General_options::is_wrap_symbol): New function.
11887         * options.cc (General_options::parse_wrap): New function.
11888         (General_options::General_options): Initialize wrap_symbols_.
11889         * symtab.cc (Symbol_table::wrap_symbol): New function.
11890         (Symbol_table::add_from_object): Handle --wrap.
11891         * symtab.h (class Symbol_table): Declare wrap_symbol.
11892         * target.h (Target::wrap_char): New function.
11893         (Target::Target_info): Add wrap_char field.
11894         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11895         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11896         * testsuite/testfile.cc (Target_test::test_target_info):
11897         Likewise.
11898
11899         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11900         there is one.
11901
11902         * layout.h (class Layout): Add added_eh_frame_data_ field.
11903         * layout.cc (Layout::Layout): Initialize new field.
11904         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11905         output section until we find a section we merged successfully.
11906         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11907         that the size be non-zero.
11908
11909         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11910         qualifier.
11911
11912 2008-04-08  Craig Silverstein  <csilvers@google.com>
11913
11914         * configure.ac: Export new conditional variable HAVE_ZLIB.
11915         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11916         on HAVE_ZLIB.
11917         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11918         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11919
11920 2008-04-07  Ian Lance Taylor  <iant@google.com>
11921
11922         * version.cc (version_string): Set to "1.5".
11923
11924         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11925         Add issued_non_pic_error_ field.  Declare check_non_pic.
11926         (Target_x86_64::Scan::check_non_pic): New function.
11927         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11928         (Target_x86_64::Scan::global): Likewise.
11929
11930         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11931         addend parameter.  Change caller.  Handle merge sections.
11932         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11933         Address to Addend.  Don't add in the result of
11934         local_section_offset, pass down the addend and use the returned
11935         value.
11936         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11937         Update declarations of local_section_offset and symbol_value.
11938         * testsuite/two_file_test_1.cc (t18): New function.
11939         * testsuite/two_file_test_2.cc (f18): New function.
11940         * testsuite/two_file_test_main.cc (main): Call t18.
11941         * testsuite/two_file_test.h (t18, f18): Declare.
11942
11943         * configure.ac: Don't test for objdump, c++filt, or readelf.
11944         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11945         conditionals.
11946         (TEST_READELF): New variable.
11947         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11948         (check_PROGRAMS): Add two_file_strip_test.
11949         (two_file_strip_test): New target.
11950         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11951         (two_file_same_shared_strip_test_SOURCES): New variable.
11952         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11953         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11954         (two_file_same_shared_strip_test_LDADD): New variable.
11955         (two_file_shared_strip.so): New target.
11956         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11957         (ver_test_5.syms, ver_test_7.syms): Likewise.
11958         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11959         (strip_test_3.stdout): Use TEST_OBJDUMP.
11960         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11961
11962 2008-04-04  Cary Coutant  <ccoutant@google.com>
11963
11964         * symtab.h (Symbol::is_weak_undefined): New function.
11965         (Symbol::is_strong_undefined): New function.
11966         (Symbol::is_absolute): New function.
11967         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11968         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11969         absolute symbols.
11970         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11971         (weak_undef_test): New target.
11972         * testsuite/Makefile.in: Rebuild.
11973         * testsuite/weak_undef_file1.cc: New file.
11974         * testsuite/weak_undef_file2.cc: New file.
11975         * testsuite/weak_undef_test.cc: New file.
11976
11977 2008-04-03  Craig Silverstein  <csilvers@google.com>
11978
11979         * compressed_output.h (class Output_compressed_section): Use
11980         unsigned buffer.
11981         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11982         add zlib header.
11983         (zlib_compressed_suffix): Removed.
11984         (Output_compressed_section::set_final_data_size): Use unsigned
11985         buffers.
11986         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11987         Fix linker invocation.
11988         (flagstest_o_specialfile_and_compress_debug_sections):
11989         Likewise.
11990         * testsuite/Makefile.in: Regenerated.
11991
11992 2008-04-02  David S. Miller  <davem@davemloft.net>
11993
11994         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11995         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11996
11997 2008-04-02  Craig Silverstein  <csilvers@google.com>
11998
11999         * TODO: New file.
12000
12001 2008-04-02  Ian Lance Taylor  <iant@google.com>
12002
12003         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12004         parameters.  Update for new key type to views_.  Change all
12005         callers.
12006         (File_read::read): Adjust for byteshift in returned view.
12007         (File_read::add_view): New function, broken out of
12008         find_and_make_view.
12009         (File_read::make_view): New function, broken out of
12010         find_and_make_view.
12011         (File_read::find_or_make_view): Add offset and aligned
12012         parameters.  Rewrite accordingly.  Change all callers.
12013         (File_read::get_view): Add offset and aligned parameters.  Adjust
12014         for byteshift in return value.
12015         (File_read::get_lasting_view): Likewise.
12016         * fileread.h (class File_read): Update declarations.
12017         (class File_read::View): Add byteshift_ field.  Add byteshift to
12018         constructor.  Add byteshift method.
12019         * archive.h (Archive::clear_uncached_views): New function.
12020         (Archive::get_view): Add aligned parameter.  Change all callers.
12021         * object.h (Object::get_view): Add aligned parameter.  Change all
12022         callers.
12023         (Object::get_lasting_view): Likewise.
12024
12025         * fileread.cc (File_read::release): Don't call clear_views if
12026         there are multiple objects.
12027         * fileread.h (File_read::clear_uncached_views): New function.
12028         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12029         on the archive.
12030
12031 2008-03-31  Cary Coutant  <ccoutant@google.com>
12032
12033         Add thin archive support.
12034         * archive.cc (Archive::armagt): New const.
12035         (Archive::setup): Remove task parameter and calls to unlock.
12036         (Archive::unlock_nested_archives): New function.
12037         (Archive::read_header): Add nested_off parameter. Change
12038         all callers.
12039         (Archive::interpret_header): Likewise.
12040         (Archive::include_all_members): Change to handle thin
12041         archives.
12042         (Archive::include_member): Likewise.
12043         * archive.h (Archive::Archive): Add new parameters and
12044         initializers.
12045         (Archive::armagt): New const.
12046         (Archive::setup): Remove task parameter.
12047         (Archive::unlock_nested_archives): New function.
12048         (Archive::read_header): Add nested_off parameter.
12049         (Archive::interpret_header): Likewise.
12050         (Archive::Nested_archive_table): New typedef.
12051         (Archive::is_thin_archive_): New field.
12052         (Archive::nested_archives_): New field.
12053         (Archive::options_): New field.
12054         (Archive::dirpath_): New field.
12055         (Archive::task_): New field.
12056         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12057         for thin archives.  Pass additional parameters to
12058         Archive::Archive.  Unlock the archive file after calling
12059         Archive::setup.
12060
12061 2008-03-29  Ian Lance Taylor  <iant@google.com>
12062
12063         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12064         version symbol to be local.
12065         * testsuite/ver_test_4.sh: New file.
12066         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12067         (check_DATA): Add ver_test_4.syms.
12068         (ver_test_4.syms): New target.
12069         * testsuite/Makefile.in: Rebuild.
12070
12071         * output.cc
12072         (Output_section::Input_section_sort_entry::has_priority): New
12073         function.
12074         (Output_section::Input_section_sort_entry::match_file_name): New
12075         function.
12076         (Output_section::Input_section_sort_entry::match_section_name):
12077         Remove.
12078         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12079         Remove.
12080         (Output_section::Input_section_sort_entry::match_section_file):
12081         Remove.
12082         (Output_section::Input_section_sort_compare::operator()): Rewrite
12083         using new Input_section_sort_entry functions.  Sort crtbegin and
12084         crtend first.  Sort sections with no priority before sections with
12085         a priority.
12086         * testsuite/initpri1.c (d3): Check j != 4.
12087         (cd5): New constructor/destructor function.
12088         (main): Check j != 2.
12089
12090         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12091         new symbol when resolving, don't call set_is_default.
12092         * testsuite/ver_test_7.cc: New file.
12093         * testsuite/ver_test_7.sh: New file.
12094         * testsuite/Makefile.am (ver_test_7.so): New target.
12095         (ver_test_7.o): New target.
12096         (check_SCRIPTS): Add ver_test_7.sh.
12097         (check_DATA): Add ver_test_7.syms.
12098         (ver_test_7.syms): New target.
12099
12100 2008-03-28  Ian Lance Taylor  <iant@google.com>
12101
12102         * layout.cc (Layout::layout): If we see an input section with a
12103         name that needs sorting, set the must_sort flag for the output
12104         section.
12105         (Layout::make_output_section): If the name of the output section
12106         indicates that it might require sorting, set the may_sort flag.
12107         * output.h (Output_section::may_sort_attached_input_sections): New
12108         function.
12109         (Output_section::set_may_sort_attached_input_sections): New
12110         function.
12111         (Output_section::must_sort_attached_input_sections): New
12112         function.
12113         (Output_section::set_must_sort_attached_input_sections): New
12114         function.
12115         (class Output_section): Declare Input_section_sort_entry.  Define
12116         Input_section_sort_compare.  Declare
12117         sort_attached_input_sections.  Add new fields:
12118         may_sort_attached_input_sections_,
12119         must_sort_attached_input_sections_,
12120         attached_input_sections_are_sorted_.
12121         * output.cc (Output_section::Output_section): Initialize new
12122         fields.
12123         (Output_section::add_input_section): Add an entry to
12124         input_sections_ if may_sort or must_sort are true.
12125         (Output_section::set_final_data_size): Call
12126         sort_attached_input_sections if necessary.
12127         (Output_section::Input_section_sort_entry): Define new class.
12128         (Output_section::Input_section_sort_compare::operator()): New
12129         function.
12130         (Output_section::sort_attached_input_sections): New function.
12131         * configure.ac: Check whether the compiler supports constructor
12132         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12133         * testsuite/initpri1.c: New file.
12134         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12135         CONSTRUCTOR_PRIORITY.
12136         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12137         (initpri1_LDFLAGS): New variable.
12138         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12139
12140 2008-03-27  Ian Lance Taylor  <iant@google.com>
12141
12142         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12143         * testsuite/common_test_1.c: New file.
12144         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12145         (common_test_1_SOURCES): New variable.
12146         (common_test_1_DEPENDENCIES): New variable.
12147         (common_test_1_LDFLAGS): New variable.
12148
12149         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12150         and commons_ correctly when NAME/VERSION does not override
12151         NAME/NULL.
12152         * testsuite/ver_test_6.c: New file.
12153         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12154         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12155         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12156
12157 2008-03-26  Ian Lance Taylor  <iant@google.com>
12158
12159         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12160         of an undefined symbol from a version script.
12161         * testsuite/Makefile.am (ver_test_5.so): New target.
12162         (ver_test_5.o): New target.
12163         (check_SCRIPTS): Add ver_test_5.sh.
12164         (check_DATA): Add ver_test_5.syms.
12165         (ver_test_5.syms): New target.
12166         * testsuite/ver_test_5.cc: New file.
12167         * testsuite/ver_test_5.script: New file.
12168         * testsuite/ver_test_5.sh: New file.
12169         * Makefile.in, testsuite/Makefile.in: Rebuild.
12170
12171         PR gold/5986
12172         Fix problems building gold with gcc 4.3.0.
12173         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12174         (gold_error_at_location, gold_warning_at_location): Use it.
12175         * configure.ac: Check whether we can compile and use a template
12176         function with a printf attribute.
12177         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12178         when jumping over bytes.
12179         * object.cc: Instantiate Object::read_section_data.
12180         * debug.h: Include <cstring>
12181         * dwarf_reader.cc: Include <algorithm>
12182         * main.cc: Include <cstring>.
12183         * options.cc: Include <cstring>.
12184         * output.cc: Include <cstring>.
12185         * script.cc: Include <cstring>.
12186         * script.h: Include <string>.
12187         * symtab.cc: Include <cstring> and <algorithm>.
12188         * target-select.cc: Include <cstring>.
12189         * version.cc: Include <string>.
12190         * testsuite/testmain.cc: Include <cstdlib>.
12191         * configure, config.in: Rebuild.
12192
12193 2008-03-25  Ian Lance Taylor  <iant@google.com>
12194
12195         * options.cc: Include "../bfd/bfdver.h".
12196         (options::help): Print bug reporting address.
12197
12198         * version.cc (print_version): Adjust output for current value of
12199         BFD_VERSION_STRING.
12200
12201         * NEWS: New file.
12202
12203         * options.cc (options::help): Print list of supported targets.
12204         * target-select.h: Include <vector>.
12205         (class Target_selector): Make machine_, size_, and is_big_endian_
12206         fields const.  Add bfd_name_ and instantiated_target_ fields.
12207         (Target_selector::Target_selector): Add bfd_name parameter.
12208         (Target_selector::recognize): Make non-virtual, call
12209         do_recognize.
12210         (Target_selector::recognize_by_name): Make non-virtual, call
12211         do_recognize_by_name.
12212         (Target_selector::supported_names): New function.
12213         (Target_selector::bfd_name): New function.
12214         (Target_selector::do_instantiate_target): New pure virtual
12215         function.
12216         (Target_selector::do_recognize): New virtual function.
12217         (Target_selector::do_recognize_by_name): New virtual function.
12218         (Target_selector::instantiate_target): New private function.
12219         (supported_target_names): Declare.
12220         * target-select.cc (Target_selector::Target_selector): Update for
12221         new parameter and fields.
12222         (select_target_by_name): Check that the name matches before
12223         calling recognize_by_name.
12224         (supported_target_names): New function.
12225         * i386.cc (class Target_selector_i386): Update Target_selector
12226         constructor call.  Remove recognize and recognize_by_name.  Add
12227         do_instantiate_target.
12228         * x86_64.cc (class Target_selector_x86_64): Likewise.
12229         * testsuite/testfile.cc (class Target_selector_test): Update for
12230         changes to Target_selector.
12231
12232         * README: Rewrite, with some notes on unsupported features.
12233
12234 2008-03-24  Cary Coutant  <ccoutant@google.com>
12235
12236         * i386.cc (Target_i386::Got_type): New enum declaration.
12237         (Target_i386::Scan::local): Updated callers of Output_data_got
12238         member functions.
12239         (Target_i386::Scan::global): Likewise.
12240         (Target_i386::Relocate::relocate): Likewise.
12241         (Target_i386::Relocate::relocate_tls): Likewise.
12242         * object.h (Got_offset_list): New class.
12243         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12244         (Sized_relobj::local_got_offset): Likewise.
12245         (Sized_relobj::set_local_got_offset): Likewise.
12246         (Sized_relobj::local_has_tls_got_offset): Removed.
12247         (Sized_relobj::local_tls_got_offset): Removed.
12248         (Sized_relobj::set_local_tls_got_offset): Removed.
12249         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12250         * output.cc (Output_data_got::add_global): Added got_type parameter.
12251         (Output_data_got::add_global_with_rel): Likewise.
12252         (Output_data_got::add_global_with_rela): Likewise.
12253         (Output_data_got::add_global_pair_with_rel): New function.
12254         (Output_data_got::add_global_pair_with_rela): New function.
12255         (Output_data_got::add_local): Added got_type parameter.
12256         (Output_data_got::add_local_with_rel): Likewise.
12257         (Output_data_got::add_local_with_rela): Likewise.
12258         (Output_data_got::add_local_pair_with_rel): New function.
12259         (Output_data_got::add_local_pair_with_rela): New function.
12260         (Output_data_got::add_global_tls): Removed.
12261         (Output_data_got::add_global_tls_with_rel): Removed.
12262         (Output_data_got::add_global_tls_with_rela): Removed.
12263         (Output_data_got::add_local_tls): Removed.
12264         (Output_data_got::add_local_tls_with_rel): Removed.
12265         (Output_data_got::add_local_tls_with_rela): Removed.
12266         * output.h (Output_data_got::add_global): Added got_type parameter.
12267         (Output_data_got::add_global_with_rel): Likewise.
12268         (Output_data_got::add_global_with_rela): Likewise.
12269         (Output_data_got::add_global_pair_with_rel): New function.
12270         (Output_data_got::add_global_pair_with_rela): New function.
12271         (Output_data_got::add_local): Added got_type parameter.
12272         (Output_data_got::add_local_with_rel): Likewise.
12273         (Output_data_got::add_local_with_rela): Likewise.
12274         (Output_data_got::add_local_pair_with_rel): New function.
12275         (Output_data_got::add_local_pair_with_rela): New function.
12276         (Output_data_got::add_global_tls): Removed.
12277         (Output_data_got::add_global_tls_with_rel): Removed.
12278         (Output_data_got::add_global_tls_with_rela): Removed.
12279         (Output_data_got::add_local_tls): Removed.
12280         (Output_data_got::add_local_tls_with_rel): Removed.
12281         (Output_data_got::add_local_tls_with_rela): Removed.
12282         * resolve.cc (Symbol::override_base_with_special): Removed
12283         reference to has_got_offset_ field.
12284         * symtab.cc (Symbol::init_fields): Replaced initialization
12285         of got_offset_ with got_offsets_.  Removed initialization
12286         of has_got_offset_
12287         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12288         (Symbol::got_offset): Likewise.
12289         (Symbol::set_got_offset): Likewise.
12290         (Symbol::has_tls_got_offset): Removed.
12291         (Symbol::tls_got_offset): Removed.
12292         (Symbol::set_tls_got_offset): Removed.
12293         (Symbol::got_offset_): Removed.
12294         (Symbol::tls_mod_got_offset_): Removed.
12295         (Symbol::tls_pair_got_offset_): Removed.
12296         (Symbol::got_offsets_): New field.
12297         (Symbol::has_got_offset): Removed.
12298         (Symbol::has_tls_mod_got_offset): Removed.
12299         (Symbol::has_tls_pair_got_offset): Removed.
12300         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12301         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12302         member functions.
12303         (Target_x86_64::Scan::global): Likewise.
12304         (Target_x86_64::Relocate::relocate): Likewise.
12305         (Target_x86_64::Relocate::relocate_tls): Likewise.
12306
12307 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12308
12309         * yyscript.y: Fix spelling error in comment.
12310
12311 2008-03-24  Ian Lance Taylor  <iant@google.com>
12312
12313         * options.h (class General_options): Define build_id option.
12314         * layout.h (class Layout): Declare write_build_id, create_note,
12315         create_build_id.  Add build_id_note_ member.
12316         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12317         "libiberty.h", "md5.h", "sha1.h".
12318         (Layout::Layout): Initialize eh_frame_data_,
12319         eh_frame_hdr_section_, and build_id_note_.
12320         (Layout::finalize): Call create_build_id.
12321         (Layout::create_note): New function, broken out of
12322         Layout::create_gold_note.
12323         (Layout::create_gold_note): Call create_note.
12324         (Layout::create_build_id): New function.
12325         (Layout::write_build_id): New function.
12326         (Close_task_runner::run): Call write_build_id.
12327
12328         * x86_64.cc: Correct license to GPLv3.
12329
12330 2008-03-23  Ian Lance Taylor  <iant@google.com>
12331
12332         * options.cc: Include "demangle.h".
12333         (parse_optional_string): New function.
12334         (parse_long_option): Handle takes_optional_argument.
12335         (parse_short_option): Update dash_z initializer.  Handle
12336         takes_optional_argument.
12337         (General_options::General_options): Initialize do_demangle_.
12338         (General_options::finalize): Set do_demangle_.  Handle demangling
12339         style.
12340         * options.h (parse_optional_string): Declare.
12341         (struct One_option): Add optional_arg field.  Update constructor.
12342         Update call constructor calls.  Add takes_optional_argument
12343         function.
12344         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12345         (DEFINE_optional_string): Define.
12346         (General_options::demangle): Change from DEFINE_bool to
12347         DEFINE_optional_string.
12348         (General_options::no_demangle): New function.
12349         (General_options::do_demangle): New function.
12350         (General_options::set_do_demangle): New function.
12351         (General_options::execstack_status_): Move definition to end of
12352         class definition.
12353         (General_options::static_): Likewise.
12354         (General_options::do_demangle_): New field.
12355         * object.cc (big_endian>::get_symbol_location_info): Call
12356         Options::do_demangle, not Options::demangle.
12357         * symtab.cc (demangle): Likewise.
12358
12359 2008-03-22  Ian Lance Taylor  <iant@google.com>
12360
12361         * gold.h: Include <cstddef> and <sys/types.h>
12362         * options.h: Include <cstring>.
12363
12364 2008-03-21  Ian Lance Taylor  <iant@google.com>
12365
12366         * Added source code to GNU binutils.